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
837 ParseFeatures(appData.featureDefaults, cps);
840 ChessProgramState *savCps;
846 if(WaitForEngine(savCps, LoadEngine)) return;
847 CommonEngineInit(); // recalculate time odds
848 if(gameInfo.variant != StringToVariant(appData.variant)) {
849 // we changed variant when loading the engine; this forces us to reset
850 Reset(TRUE, savCps != &first);
851 EditGameEvent(); // for consistency with other path, as Reset changes mode
853 InitChessProgram(savCps, FALSE);
854 SendToProgram("force\n", savCps);
855 DisplayMessage("", "");
856 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
857 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
863 ReplaceEngine(ChessProgramState *cps, int n)
867 appData.noChessProgram = FALSE;
868 appData.clockMode = TRUE;
871 if(n) return; // only startup first engine immediately; second can wait
872 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
876 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
877 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
879 static char resetOptions[] =
880 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
881 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
882 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
885 Load(ChessProgramState *cps, int i)
887 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
888 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
889 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
890 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
891 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
892 ParseArgsFromString(buf);
894 ReplaceEngine(cps, i);
898 while(q = strchr(p, SLASH)) p = q+1;
899 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
900 if(engineDir[0] != NULLCHAR)
901 appData.directory[i] = engineDir;
902 else if(p != engineName) { // derive directory from engine path, when not given
904 appData.directory[i] = strdup(engineName);
906 } else appData.directory[i] = ".";
908 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
909 snprintf(command, MSG_SIZ, "%s %s", p, params);
912 appData.chessProgram[i] = strdup(p);
913 appData.isUCI[i] = isUCI;
914 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
915 appData.hasOwnBookUCI[i] = hasBook;
916 if(!nickName[0]) useNick = FALSE;
917 if(useNick) ASSIGN(appData.pgnName[i], nickName);
921 q = firstChessProgramNames;
922 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
923 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
924 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
925 quote, p, quote, appData.directory[i],
926 useNick ? " -fn \"" : "",
927 useNick ? nickName : "",
929 v1 ? " -firstProtocolVersion 1" : "",
930 hasBook ? "" : " -fNoOwnBookUCI",
931 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
932 storeVariant ? " -variant " : "",
933 storeVariant ? VariantName(gameInfo.variant) : "");
934 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
935 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
938 ReplaceEngine(cps, i);
944 int matched, min, sec;
946 * Parse timeControl resource
948 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
949 appData.movesPerSession)) {
951 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
952 DisplayFatalError(buf, 0, 2);
956 * Parse searchTime resource
958 if (*appData.searchTime != NULLCHAR) {
959 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
961 searchTime = min * 60;
962 } else if (matched == 2) {
963 searchTime = min * 60 + sec;
966 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
967 DisplayFatalError(buf, 0, 2);
976 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
977 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
979 GetTimeMark(&programStartTime);
980 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
981 appData.seedBase = random() + (random()<<15);
982 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
985 programStats.ok_to_send = 1;
986 programStats.seen_stat = 0;
989 * Initialize game list
995 * Internet chess server status
997 if (appData.icsActive) {
998 appData.matchMode = FALSE;
999 appData.matchGames = 0;
1001 appData.noChessProgram = !appData.zippyPlay;
1003 appData.zippyPlay = FALSE;
1004 appData.zippyTalk = FALSE;
1005 appData.noChessProgram = TRUE;
1007 if (*appData.icsHelper != NULLCHAR) {
1008 appData.useTelnet = TRUE;
1009 appData.telnetProgram = appData.icsHelper;
1012 appData.zippyTalk = appData.zippyPlay = FALSE;
1015 /* [AS] Initialize pv info list [HGM] and game state */
1019 for( i=0; i<=framePtr; i++ ) {
1020 pvInfoList[i].depth = -1;
1021 boards[i][EP_STATUS] = EP_NONE;
1022 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1028 /* [AS] Adjudication threshold */
1029 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1031 InitEngine(&first, 0);
1032 InitEngine(&second, 1);
1035 pairing.which = "pairing"; // pairing engine
1036 pairing.pr = NoProc;
1038 pairing.program = appData.pairingEngine;
1039 pairing.host = "localhost";
1042 if (appData.icsActive) {
1043 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1044 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1045 appData.clockMode = FALSE;
1046 first.sendTime = second.sendTime = 0;
1050 /* Override some settings from environment variables, for backward
1051 compatibility. Unfortunately it's not feasible to have the env
1052 vars just set defaults, at least in xboard. Ugh.
1054 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1059 if (!appData.icsActive) {
1063 /* Check for variants that are supported only in ICS mode,
1064 or not at all. Some that are accepted here nevertheless
1065 have bugs; see comments below.
1067 VariantClass variant = StringToVariant(appData.variant);
1069 case VariantBughouse: /* need four players and two boards */
1070 case VariantKriegspiel: /* need to hide pieces and move details */
1071 /* case VariantFischeRandom: (Fabien: moved below) */
1072 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1073 if( (len > MSG_SIZ) && appData.debugMode )
1074 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1076 DisplayFatalError(buf, 0, 2);
1079 case VariantUnknown:
1080 case VariantLoadable:
1090 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1091 if( (len > MSG_SIZ) && appData.debugMode )
1092 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1094 DisplayFatalError(buf, 0, 2);
1097 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1098 case VariantFairy: /* [HGM] TestLegality definitely off! */
1099 case VariantGothic: /* [HGM] should work */
1100 case VariantCapablanca: /* [HGM] should work */
1101 case VariantCourier: /* [HGM] initial forced moves not implemented */
1102 case VariantShogi: /* [HGM] could still mate with pawn drop */
1103 case VariantKnightmate: /* [HGM] should work */
1104 case VariantCylinder: /* [HGM] untested */
1105 case VariantFalcon: /* [HGM] untested */
1106 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1107 offboard interposition not understood */
1108 case VariantNormal: /* definitely works! */
1109 case VariantWildCastle: /* pieces not automatically shuffled */
1110 case VariantNoCastle: /* pieces not automatically shuffled */
1111 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1112 case VariantLosers: /* should work except for win condition,
1113 and doesn't know captures are mandatory */
1114 case VariantSuicide: /* should work except for win condition,
1115 and doesn't know captures are mandatory */
1116 case VariantGiveaway: /* should work except for win condition,
1117 and doesn't know captures are mandatory */
1118 case VariantTwoKings: /* should work */
1119 case VariantAtomic: /* should work except for win condition */
1120 case Variant3Check: /* should work except for win condition */
1121 case VariantShatranj: /* should work except for all win conditions */
1122 case VariantMakruk: /* should work except for draw countdown */
1123 case VariantBerolina: /* might work if TestLegality is off */
1124 case VariantCapaRandom: /* should work */
1125 case VariantJanus: /* should work */
1126 case VariantSuper: /* experimental */
1127 case VariantGreat: /* experimental, requires legality testing to be off */
1128 case VariantSChess: /* S-Chess, should work */
1129 case VariantGrand: /* should work */
1130 case VariantSpartan: /* should work */
1137 int NextIntegerFromString( char ** str, long * value )
1142 while( *s == ' ' || *s == '\t' ) {
1148 if( *s >= '0' && *s <= '9' ) {
1149 while( *s >= '0' && *s <= '9' ) {
1150 *value = *value * 10 + (*s - '0');
1162 int NextTimeControlFromString( char ** str, long * value )
1165 int result = NextIntegerFromString( str, &temp );
1168 *value = temp * 60; /* Minutes */
1169 if( **str == ':' ) {
1171 result = NextIntegerFromString( str, &temp );
1172 *value += temp; /* Seconds */
1179 int NextSessionFromString( char ** str, int *moves, long * tc, long *inc, int *incType)
1180 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1181 int result = -1, type = 0; long temp, temp2;
1183 if(**str != ':') return -1; // old params remain in force!
1185 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1186 if( NextIntegerFromString( str, &temp ) ) return -1;
1187 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1190 /* time only: incremental or sudden-death time control */
1191 if(**str == '+') { /* increment follows; read it */
1193 if(**str == '!') type = *(*str)++; // Bronstein TC
1194 if(result = NextIntegerFromString( str, &temp2)) return -1;
1195 *inc = temp2 * 1000;
1196 if(**str == '.') { // read fraction of increment
1197 char *start = ++(*str);
1198 if(result = NextIntegerFromString( str, &temp2)) return -1;
1200 while(start++ < *str) temp2 /= 10;
1204 *moves = 0; *tc = temp * 1000; *incType = type;
1208 (*str)++; /* classical time control */
1209 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1220 int GetTimeQuota(int movenr, int lastUsed, char *tcString)
1221 { /* [HGM] get time to add from the multi-session time-control string */
1222 int incType, moves=1; /* kludge to force reading of first session */
1223 long time, increment;
1226 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1227 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1229 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1230 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1231 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1232 if(movenr == -1) return time; /* last move before new session */
1233 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1234 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1235 if(!moves) return increment; /* current session is incremental */
1236 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1237 } while(movenr >= -1); /* try again for next session */
1239 return 0; // no new time quota on this move
1243 ParseTimeControl(tc, ti, mps)
1250 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1253 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1254 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1255 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1259 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1261 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1264 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1266 snprintf(buf, MSG_SIZ, ":%s", mytc);
1268 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1270 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1275 /* Parse second time control */
1278 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1286 timeControl_2 = tc2 * 1000;
1296 timeControl = tc1 * 1000;
1299 timeIncrement = ti * 1000; /* convert to ms */
1300 movesPerSession = 0;
1303 movesPerSession = mps;
1311 if (appData.debugMode) {
1312 fprintf(debugFP, "%s\n", programVersion);
1315 set_cont_sequence(appData.wrapContSeq);
1316 if (appData.matchGames > 0) {
1317 appData.matchMode = TRUE;
1318 } else if (appData.matchMode) {
1319 appData.matchGames = 1;
1321 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1322 appData.matchGames = appData.sameColorGames;
1323 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1324 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1325 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1328 if (appData.noChessProgram || first.protocolVersion == 1) {
1331 /* kludge: allow timeout for initial "feature" commands */
1333 DisplayMessage("", _("Starting chess program"));
1334 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1339 CalculateIndex(int index, int gameNr)
1340 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1342 if(index > 0) return index; // fixed nmber
1343 if(index == 0) return 1;
1344 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1345 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1350 LoadGameOrPosition(int gameNr)
1351 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1352 if (*appData.loadGameFile != NULLCHAR) {
1353 if (!LoadGameFromFile(appData.loadGameFile,
1354 CalculateIndex(appData.loadGameIndex, gameNr),
1355 appData.loadGameFile, FALSE)) {
1356 DisplayFatalError(_("Bad game file"), 0, 1);
1359 } else if (*appData.loadPositionFile != NULLCHAR) {
1360 if (!LoadPositionFromFile(appData.loadPositionFile,
1361 CalculateIndex(appData.loadPositionIndex, gameNr),
1362 appData.loadPositionFile)) {
1363 DisplayFatalError(_("Bad position file"), 0, 1);
1371 ReserveGame(int gameNr, char resChar)
1373 FILE *tf = fopen(appData.tourneyFile, "r+");
1374 char *p, *q, c, buf[MSG_SIZ];
1375 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1376 safeStrCpy(buf, lastMsg, MSG_SIZ);
1377 DisplayMessage(_("Pick new game"), "");
1378 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1379 ParseArgsFromFile(tf);
1380 p = q = appData.results;
1381 if(appData.debugMode) {
1382 char *r = appData.participants;
1383 fprintf(debugFP, "results = '%s'\n", p);
1384 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1385 fprintf(debugFP, "\n");
1387 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1389 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1390 safeStrCpy(q, p, strlen(p) + 2);
1391 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1392 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1393 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1394 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1397 fseek(tf, -(strlen(p)+4), SEEK_END);
1399 if(c != '"') // depending on DOS or Unix line endings we can be one off
1400 fseek(tf, -(strlen(p)+2), SEEK_END);
1401 else fseek(tf, -(strlen(p)+3), SEEK_END);
1402 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1403 DisplayMessage(buf, "");
1404 free(p); appData.results = q;
1405 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1406 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1407 UnloadEngine(&first); // next game belongs to other pairing;
1408 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1413 MatchEvent(int mode)
1414 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1416 if(matchMode) { // already in match mode: switch it off
1418 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1421 // if(gameMode != BeginningOfGame) {
1422 // DisplayError(_("You can only start a match from the initial position."), 0);
1426 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1427 /* Set up machine vs. machine match */
1429 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1430 if(appData.tourneyFile[0]) {
1432 if(nextGame > appData.matchGames) {
1434 if(strchr(appData.results, '*') == NULL) {
1436 appData.tourneyCycles++;
1437 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1439 NextTourneyGame(-1, &dummy);
1441 if(nextGame <= appData.matchGames) {
1442 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1444 ScheduleDelayedEvent(NextMatchGame, 10000);
1449 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1450 DisplayError(buf, 0);
1451 appData.tourneyFile[0] = 0;
1455 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1456 DisplayFatalError(_("Can't have a match with no chess programs"),
1461 matchGame = roundNr = 1;
1462 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1467 InitBackEnd3 P((void))
1469 GameMode initialMode;
1473 InitChessProgram(&first, startedFromSetupPosition);
1475 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1476 free(programVersion);
1477 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1478 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1481 if (appData.icsActive) {
1483 /* [DM] Make a console window if needed [HGM] merged ifs */
1489 if (*appData.icsCommPort != NULLCHAR)
1490 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1491 appData.icsCommPort);
1493 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1494 appData.icsHost, appData.icsPort);
1496 if( (len > MSG_SIZ) && appData.debugMode )
1497 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1499 DisplayFatalError(buf, err, 1);
1504 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1506 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1507 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1508 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1509 } else if (appData.noChessProgram) {
1515 if (*appData.cmailGameName != NULLCHAR) {
1517 OpenLoopback(&cmailPR);
1519 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1523 DisplayMessage("", "");
1524 if (StrCaseCmp(appData.initialMode, "") == 0) {
1525 initialMode = BeginningOfGame;
1526 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1527 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1528 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1529 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1532 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1533 initialMode = TwoMachinesPlay;
1534 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1535 initialMode = AnalyzeFile;
1536 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1537 initialMode = AnalyzeMode;
1538 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1539 initialMode = MachinePlaysWhite;
1540 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1541 initialMode = MachinePlaysBlack;
1542 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1543 initialMode = EditGame;
1544 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1545 initialMode = EditPosition;
1546 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1547 initialMode = Training;
1549 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1550 if( (len > MSG_SIZ) && appData.debugMode )
1551 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1553 DisplayFatalError(buf, 0, 2);
1557 if (appData.matchMode) {
1558 if(appData.tourneyFile[0]) { // start tourney from command line
1560 if(f = fopen(appData.tourneyFile, "r")) {
1561 ParseArgsFromFile(f); // make sure tourney parmeters re known
1563 appData.clockMode = TRUE;
1565 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1568 } else if (*appData.cmailGameName != NULLCHAR) {
1569 /* Set up cmail mode */
1570 ReloadCmailMsgEvent(TRUE);
1572 /* Set up other modes */
1573 if (initialMode == AnalyzeFile) {
1574 if (*appData.loadGameFile == NULLCHAR) {
1575 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1579 if (*appData.loadGameFile != NULLCHAR) {
1580 (void) LoadGameFromFile(appData.loadGameFile,
1581 appData.loadGameIndex,
1582 appData.loadGameFile, TRUE);
1583 } else if (*appData.loadPositionFile != NULLCHAR) {
1584 (void) LoadPositionFromFile(appData.loadPositionFile,
1585 appData.loadPositionIndex,
1586 appData.loadPositionFile);
1587 /* [HGM] try to make self-starting even after FEN load */
1588 /* to allow automatic setup of fairy variants with wtm */
1589 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1590 gameMode = BeginningOfGame;
1591 setboardSpoiledMachineBlack = 1;
1593 /* [HGM] loadPos: make that every new game uses the setup */
1594 /* from file as long as we do not switch variant */
1595 if(!blackPlaysFirst) {
1596 startedFromPositionFile = TRUE;
1597 CopyBoard(filePosition, boards[0]);
1600 if (initialMode == AnalyzeMode) {
1601 if (appData.noChessProgram) {
1602 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1605 if (appData.icsActive) {
1606 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1610 } else if (initialMode == AnalyzeFile) {
1611 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1612 ShowThinkingEvent();
1614 AnalysisPeriodicEvent(1);
1615 } else if (initialMode == MachinePlaysWhite) {
1616 if (appData.noChessProgram) {
1617 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1621 if (appData.icsActive) {
1622 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1626 MachineWhiteEvent();
1627 } else if (initialMode == MachinePlaysBlack) {
1628 if (appData.noChessProgram) {
1629 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1633 if (appData.icsActive) {
1634 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1638 MachineBlackEvent();
1639 } else if (initialMode == TwoMachinesPlay) {
1640 if (appData.noChessProgram) {
1641 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1645 if (appData.icsActive) {
1646 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1651 } else if (initialMode == EditGame) {
1653 } else if (initialMode == EditPosition) {
1654 EditPositionEvent();
1655 } else if (initialMode == Training) {
1656 if (*appData.loadGameFile == NULLCHAR) {
1657 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1666 HistorySet( char movelist[][2*MOVE_LEN], int first, int last, int current )
1668 DisplayBook(current+1);
1670 MoveHistorySet( movelist, first, last, current, pvInfoList );
1672 EvalGraphSet( first, last, current, pvInfoList );
1674 MakeEngineOutputTitle();
1678 * Establish will establish a contact to a remote host.port.
1679 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1680 * used to talk to the host.
1681 * Returns 0 if okay, error code if not.
1688 if (*appData.icsCommPort != NULLCHAR) {
1689 /* Talk to the host through a serial comm port */
1690 return OpenCommPort(appData.icsCommPort, &icsPR);
1692 } else if (*appData.gateway != NULLCHAR) {
1693 if (*appData.remoteShell == NULLCHAR) {
1694 /* Use the rcmd protocol to run telnet program on a gateway host */
1695 snprintf(buf, sizeof(buf), "%s %s %s",
1696 appData.telnetProgram, appData.icsHost, appData.icsPort);
1697 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1700 /* Use the rsh program to run telnet program on a gateway host */
1701 if (*appData.remoteUser == NULLCHAR) {
1702 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1703 appData.gateway, appData.telnetProgram,
1704 appData.icsHost, appData.icsPort);
1706 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1707 appData.remoteShell, appData.gateway,
1708 appData.remoteUser, appData.telnetProgram,
1709 appData.icsHost, appData.icsPort);
1711 return StartChildProcess(buf, "", &icsPR);
1714 } else if (appData.useTelnet) {
1715 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1718 /* TCP socket interface differs somewhat between
1719 Unix and NT; handle details in the front end.
1721 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1725 void EscapeExpand(char *p, char *q)
1726 { // [HGM] initstring: routine to shape up string arguments
1727 while(*p++ = *q++) if(p[-1] == '\\')
1729 case 'n': p[-1] = '\n'; break;
1730 case 'r': p[-1] = '\r'; break;
1731 case 't': p[-1] = '\t'; break;
1732 case '\\': p[-1] = '\\'; break;
1733 case 0: *p = 0; return;
1734 default: p[-1] = q[-1]; break;
1739 show_bytes(fp, buf, count)
1745 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1746 fprintf(fp, "\\%03o", *buf & 0xff);
1755 /* Returns an errno value */
1757 OutputMaybeTelnet(pr, message, count, outError)
1763 char buf[8192], *p, *q, *buflim;
1764 int left, newcount, outcount;
1766 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1767 *appData.gateway != NULLCHAR) {
1768 if (appData.debugMode) {
1769 fprintf(debugFP, ">ICS: ");
1770 show_bytes(debugFP, message, count);
1771 fprintf(debugFP, "\n");
1773 return OutputToProcess(pr, message, count, outError);
1776 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1783 if (appData.debugMode) {
1784 fprintf(debugFP, ">ICS: ");
1785 show_bytes(debugFP, buf, newcount);
1786 fprintf(debugFP, "\n");
1788 outcount = OutputToProcess(pr, buf, newcount, outError);
1789 if (outcount < newcount) return -1; /* to be sure */
1796 } else if (((unsigned char) *p) == TN_IAC) {
1797 *q++ = (char) TN_IAC;
1804 if (appData.debugMode) {
1805 fprintf(debugFP, ">ICS: ");
1806 show_bytes(debugFP, buf, newcount);
1807 fprintf(debugFP, "\n");
1809 outcount = OutputToProcess(pr, buf, newcount, outError);
1810 if (outcount < newcount) return -1; /* to be sure */
1815 read_from_player(isr, closure, message, count, error)
1822 int outError, outCount;
1823 static int gotEof = 0;
1825 /* Pass data read from player on to ICS */
1828 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1829 if (outCount < count) {
1830 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1832 } else if (count < 0) {
1833 RemoveInputSource(isr);
1834 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1835 } else if (gotEof++ > 0) {
1836 RemoveInputSource(isr);
1837 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1843 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1844 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1845 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1846 SendToICS("date\n");
1847 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1850 /* added routine for printf style output to ics */
1851 void ics_printf(char *format, ...)
1853 char buffer[MSG_SIZ];
1856 va_start(args, format);
1857 vsnprintf(buffer, sizeof(buffer), format, args);
1858 buffer[sizeof(buffer)-1] = '\0';
1867 int count, outCount, outError;
1869 if (icsPR == NoProc) return;
1872 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1873 if (outCount < count) {
1874 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1878 /* This is used for sending logon scripts to the ICS. Sending
1879 without a delay causes problems when using timestamp on ICC
1880 (at least on my machine). */
1882 SendToICSDelayed(s,msdelay)
1886 int count, outCount, outError;
1888 if (icsPR == NoProc) return;
1891 if (appData.debugMode) {
1892 fprintf(debugFP, ">ICS: ");
1893 show_bytes(debugFP, s, count);
1894 fprintf(debugFP, "\n");
1896 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1898 if (outCount < count) {
1899 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1904 /* Remove all highlighting escape sequences in s
1905 Also deletes any suffix starting with '('
1908 StripHighlightAndTitle(s)
1911 static char retbuf[MSG_SIZ];
1914 while (*s != NULLCHAR) {
1915 while (*s == '\033') {
1916 while (*s != NULLCHAR && !isalpha(*s)) s++;
1917 if (*s != NULLCHAR) s++;
1919 while (*s != NULLCHAR && *s != '\033') {
1920 if (*s == '(' || *s == '[') {
1931 /* Remove all highlighting escape sequences in s */
1936 static char retbuf[MSG_SIZ];
1939 while (*s != NULLCHAR) {
1940 while (*s == '\033') {
1941 while (*s != NULLCHAR && !isalpha(*s)) s++;
1942 if (*s != NULLCHAR) s++;
1944 while (*s != NULLCHAR && *s != '\033') {
1952 char *variantNames[] = VARIANT_NAMES;
1957 return variantNames[v];
1961 /* Identify a variant from the strings the chess servers use or the
1962 PGN Variant tag names we use. */
1969 VariantClass v = VariantNormal;
1970 int i, found = FALSE;
1976 /* [HGM] skip over optional board-size prefixes */
1977 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1978 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1979 while( *e++ != '_');
1982 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1986 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1987 if (StrCaseStr(e, variantNames[i])) {
1988 v = (VariantClass) i;
1995 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1996 || StrCaseStr(e, "wild/fr")
1997 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1998 v = VariantFischeRandom;
1999 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2000 (i = 1, p = StrCaseStr(e, "w"))) {
2002 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2009 case 0: /* FICS only, actually */
2011 /* Castling legal even if K starts on d-file */
2012 v = VariantWildCastle;
2017 /* Castling illegal even if K & R happen to start in
2018 normal positions. */
2019 v = VariantNoCastle;
2032 /* Castling legal iff K & R start in normal positions */
2038 /* Special wilds for position setup; unclear what to do here */
2039 v = VariantLoadable;
2042 /* Bizarre ICC game */
2043 v = VariantTwoKings;
2046 v = VariantKriegspiel;
2052 v = VariantFischeRandom;
2055 v = VariantCrazyhouse;
2058 v = VariantBughouse;
2064 /* Not quite the same as FICS suicide! */
2065 v = VariantGiveaway;
2071 v = VariantShatranj;
2074 /* Temporary names for future ICC types. The name *will* change in
2075 the next xboard/WinBoard release after ICC defines it. */
2113 v = VariantCapablanca;
2116 v = VariantKnightmate;
2122 v = VariantCylinder;
2128 v = VariantCapaRandom;
2131 v = VariantBerolina;
2143 /* Found "wild" or "w" in the string but no number;
2144 must assume it's normal chess. */
2148 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2149 if( (len > MSG_SIZ) && appData.debugMode )
2150 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2152 DisplayError(buf, 0);
2158 if (appData.debugMode) {
2159 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2160 e, wnum, VariantName(v));
2165 static int leftover_start = 0, leftover_len = 0;
2166 char star_match[STAR_MATCH_N][MSG_SIZ];
2168 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2169 advance *index beyond it, and set leftover_start to the new value of
2170 *index; else return FALSE. If pattern contains the character '*', it
2171 matches any sequence of characters not containing '\r', '\n', or the
2172 character following the '*' (if any), and the matched sequence(s) are
2173 copied into star_match.
2176 looking_at(buf, index, pattern)
2181 char *bufp = &buf[*index], *patternp = pattern;
2183 char *matchp = star_match[0];
2186 if (*patternp == NULLCHAR) {
2187 *index = leftover_start = bufp - buf;
2191 if (*bufp == NULLCHAR) return FALSE;
2192 if (*patternp == '*') {
2193 if (*bufp == *(patternp + 1)) {
2195 matchp = star_match[++star_count];
2199 } else if (*bufp == '\n' || *bufp == '\r') {
2201 if (*patternp == NULLCHAR)
2206 *matchp++ = *bufp++;
2210 if (*patternp != *bufp) return FALSE;
2217 SendToPlayer(data, length)
2221 int error, outCount;
2222 outCount = OutputToProcess(NoProc, data, length, &error);
2223 if (outCount < length) {
2224 DisplayFatalError(_("Error writing to display"), error, 1);
2229 PackHolding(packed, holding)
2241 switch (runlength) {
2252 sprintf(q, "%d", runlength);
2264 /* Telnet protocol requests from the front end */
2266 TelnetRequest(ddww, option)
2267 unsigned char ddww, option;
2269 unsigned char msg[3];
2270 int outCount, outError;
2272 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2274 if (appData.debugMode) {
2275 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2291 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2300 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2303 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2308 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2310 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2317 if (!appData.icsActive) return;
2318 TelnetRequest(TN_DO, TN_ECHO);
2324 if (!appData.icsActive) return;
2325 TelnetRequest(TN_DONT, TN_ECHO);
2329 CopyHoldings(Board board, char *holdings, ChessSquare lowestPiece)
2331 /* put the holdings sent to us by the server on the board holdings area */
2332 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2336 if(gameInfo.holdingsWidth < 2) return;
2337 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2338 return; // prevent overwriting by pre-board holdings
2340 if( (int)lowestPiece >= BlackPawn ) {
2343 holdingsStartRow = BOARD_HEIGHT-1;
2346 holdingsColumn = BOARD_WIDTH-1;
2347 countsColumn = BOARD_WIDTH-2;
2348 holdingsStartRow = 0;
2352 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2353 board[i][holdingsColumn] = EmptySquare;
2354 board[i][countsColumn] = (ChessSquare) 0;
2356 while( (p=*holdings++) != NULLCHAR ) {
2357 piece = CharToPiece( ToUpper(p) );
2358 if(piece == EmptySquare) continue;
2359 /*j = (int) piece - (int) WhitePawn;*/
2360 j = PieceToNumber(piece);
2361 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2362 if(j < 0) continue; /* should not happen */
2363 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2364 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2365 board[holdingsStartRow+j*direction][countsColumn]++;
2371 VariantSwitch(Board board, VariantClass newVariant)
2373 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2374 static Board oldBoard;
2376 startedFromPositionFile = FALSE;
2377 if(gameInfo.variant == newVariant) return;
2379 /* [HGM] This routine is called each time an assignment is made to
2380 * gameInfo.variant during a game, to make sure the board sizes
2381 * are set to match the new variant. If that means adding or deleting
2382 * holdings, we shift the playing board accordingly
2383 * This kludge is needed because in ICS observe mode, we get boards
2384 * of an ongoing game without knowing the variant, and learn about the
2385 * latter only later. This can be because of the move list we requested,
2386 * in which case the game history is refilled from the beginning anyway,
2387 * but also when receiving holdings of a crazyhouse game. In the latter
2388 * case we want to add those holdings to the already received position.
2392 if (appData.debugMode) {
2393 fprintf(debugFP, "Switch board from %s to %s\n",
2394 VariantName(gameInfo.variant), VariantName(newVariant));
2395 setbuf(debugFP, NULL);
2397 shuffleOpenings = 0; /* [HGM] shuffle */
2398 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2402 newWidth = 9; newHeight = 9;
2403 gameInfo.holdingsSize = 7;
2404 case VariantBughouse:
2405 case VariantCrazyhouse:
2406 newHoldingsWidth = 2; break;
2410 newHoldingsWidth = 2;
2411 gameInfo.holdingsSize = 8;
2414 case VariantCapablanca:
2415 case VariantCapaRandom:
2418 newHoldingsWidth = gameInfo.holdingsSize = 0;
2421 if(newWidth != gameInfo.boardWidth ||
2422 newHeight != gameInfo.boardHeight ||
2423 newHoldingsWidth != gameInfo.holdingsWidth ) {
2425 /* shift position to new playing area, if needed */
2426 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2427 for(i=0; i<BOARD_HEIGHT; i++)
2428 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2429 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2431 for(i=0; i<newHeight; i++) {
2432 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2433 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2435 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2436 for(i=0; i<BOARD_HEIGHT; i++)
2437 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2438 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2441 gameInfo.boardWidth = newWidth;
2442 gameInfo.boardHeight = newHeight;
2443 gameInfo.holdingsWidth = newHoldingsWidth;
2444 gameInfo.variant = newVariant;
2445 InitDrawingSizes(-2, 0);
2446 } else gameInfo.variant = newVariant;
2447 CopyBoard(oldBoard, board); // remember correctly formatted board
2448 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2449 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2452 static int loggedOn = FALSE;
2454 /*-- Game start info cache: --*/
2456 char gs_kind[MSG_SIZ];
2457 static char player1Name[128] = "";
2458 static char player2Name[128] = "";
2459 static char cont_seq[] = "\n\\ ";
2460 static int player1Rating = -1;
2461 static int player2Rating = -1;
2462 /*----------------------------*/
2464 ColorClass curColor = ColorNormal;
2465 int suppressKibitz = 0;
2468 Boolean soughtPending = FALSE;
2469 Boolean seekGraphUp;
2470 #define MAX_SEEK_ADS 200
2472 char *seekAdList[MAX_SEEK_ADS];
2473 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2474 float tcList[MAX_SEEK_ADS];
2475 char colorList[MAX_SEEK_ADS];
2476 int nrOfSeekAds = 0;
2477 int minRating = 1010, maxRating = 2800;
2478 int hMargin = 10, vMargin = 20, h, w;
2479 extern int squareSize, lineGap;
2484 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2485 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2486 if(r < minRating+100 && r >=0 ) r = minRating+100;
2487 if(r > maxRating) r = maxRating;
2488 if(tc < 1.) tc = 1.;
2489 if(tc > 95.) tc = 95.;
2490 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2491 y = ((double)r - minRating)/(maxRating - minRating)
2492 * (h-vMargin-squareSize/8-1) + vMargin;
2493 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2494 if(strstr(seekAdList[i], " u ")) color = 1;
2495 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2496 !strstr(seekAdList[i], "bullet") &&
2497 !strstr(seekAdList[i], "blitz") &&
2498 !strstr(seekAdList[i], "standard") ) color = 2;
2499 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2500 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2504 AddAd(char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2506 char buf[MSG_SIZ], *ext = "";
2507 VariantClass v = StringToVariant(type);
2508 if(strstr(type, "wild")) {
2509 ext = type + 4; // append wild number
2510 if(v == VariantFischeRandom) type = "chess960"; else
2511 if(v == VariantLoadable) type = "setup"; else
2512 type = VariantName(v);
2514 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2515 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2516 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2517 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2518 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2519 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2520 seekNrList[nrOfSeekAds] = nr;
2521 zList[nrOfSeekAds] = 0;
2522 seekAdList[nrOfSeekAds++] = StrSave(buf);
2523 if(plot) PlotSeekAd(nrOfSeekAds-1);
2530 int x = xList[i], y = yList[i], d=squareSize/4, k;
2531 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2532 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2533 // now replot every dot that overlapped
2534 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2535 int xx = xList[k], yy = yList[k];
2536 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2537 DrawSeekDot(xx, yy, colorList[k]);
2542 RemoveSeekAd(int nr)
2545 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2547 if(seekAdList[i]) free(seekAdList[i]);
2548 seekAdList[i] = seekAdList[--nrOfSeekAds];
2549 seekNrList[i] = seekNrList[nrOfSeekAds];
2550 ratingList[i] = ratingList[nrOfSeekAds];
2551 colorList[i] = colorList[nrOfSeekAds];
2552 tcList[i] = tcList[nrOfSeekAds];
2553 xList[i] = xList[nrOfSeekAds];
2554 yList[i] = yList[nrOfSeekAds];
2555 zList[i] = zList[nrOfSeekAds];
2556 seekAdList[nrOfSeekAds] = NULL;
2562 MatchSoughtLine(char *line)
2564 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2565 int nr, base, inc, u=0; char dummy;
2567 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2568 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2570 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2571 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2572 // match: compact and save the line
2573 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2583 if(!seekGraphUp) return FALSE;
2584 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2585 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2587 DrawSeekBackground(0, 0, w, h);
2588 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2589 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2590 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2591 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2593 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2596 snprintf(buf, MSG_SIZ, "%d", i);
2597 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2600 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2601 for(i=1; i<100; i+=(i<10?1:5)) {
2602 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2603 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2604 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2606 snprintf(buf, MSG_SIZ, "%d", i);
2607 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2610 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2614 int SeekGraphClick(ClickType click, int x, int y, int moving)
2616 static int lastDown = 0, displayed = 0, lastSecond;
2617 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2618 if(click == Release || moving) return FALSE;
2620 soughtPending = TRUE;
2621 SendToICS(ics_prefix);
2622 SendToICS("sought\n"); // should this be "sought all"?
2623 } else { // issue challenge based on clicked ad
2624 int dist = 10000; int i, closest = 0, second = 0;
2625 for(i=0; i<nrOfSeekAds; i++) {
2626 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2627 if(d < dist) { dist = d; closest = i; }
2628 second += (d - zList[i] < 120); // count in-range ads
2629 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2633 second = (second > 1);
2634 if(displayed != closest || second != lastSecond) {
2635 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2636 lastSecond = second; displayed = closest;
2638 if(click == Press) {
2639 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2642 } // on press 'hit', only show info
2643 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2644 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2645 SendToICS(ics_prefix);
2647 return TRUE; // let incoming board of started game pop down the graph
2648 } else if(click == Release) { // release 'miss' is ignored
2649 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2650 if(moving == 2) { // right up-click
2651 nrOfSeekAds = 0; // refresh graph
2652 soughtPending = TRUE;
2653 SendToICS(ics_prefix);
2654 SendToICS("sought\n"); // should this be "sought all"?
2657 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2658 // press miss or release hit 'pop down' seek graph
2659 seekGraphUp = FALSE;
2660 DrawPosition(TRUE, NULL);
2666 read_from_ics(isr, closure, data, count, error)
2673 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2674 #define STARTED_NONE 0
2675 #define STARTED_MOVES 1
2676 #define STARTED_BOARD 2
2677 #define STARTED_OBSERVE 3
2678 #define STARTED_HOLDINGS 4
2679 #define STARTED_CHATTER 5
2680 #define STARTED_COMMENT 6
2681 #define STARTED_MOVES_NOHIDE 7
2683 static int started = STARTED_NONE;
2684 static char parse[20000];
2685 static int parse_pos = 0;
2686 static char buf[BUF_SIZE + 1];
2687 static int firstTime = TRUE, intfSet = FALSE;
2688 static ColorClass prevColor = ColorNormal;
2689 static int savingComment = FALSE;
2690 static int cmatch = 0; // continuation sequence match
2697 int backup; /* [DM] For zippy color lines */
2699 char talker[MSG_SIZ]; // [HGM] chat
2702 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2704 if (appData.debugMode) {
2706 fprintf(debugFP, "<ICS: ");
2707 show_bytes(debugFP, data, count);
2708 fprintf(debugFP, "\n");
2712 if (appData.debugMode) { int f = forwardMostMove;
2713 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2714 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2715 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2718 /* If last read ended with a partial line that we couldn't parse,
2719 prepend it to the new read and try again. */
2720 if (leftover_len > 0) {
2721 for (i=0; i<leftover_len; i++)
2722 buf[i] = buf[leftover_start + i];
2725 /* copy new characters into the buffer */
2726 bp = buf + leftover_len;
2727 buf_len=leftover_len;
2728 for (i=0; i<count; i++)
2731 if (data[i] == '\r')
2734 // join lines split by ICS?
2735 if (!appData.noJoin)
2738 Joining just consists of finding matches against the
2739 continuation sequence, and discarding that sequence
2740 if found instead of copying it. So, until a match
2741 fails, there's nothing to do since it might be the
2742 complete sequence, and thus, something we don't want
2745 if (data[i] == cont_seq[cmatch])
2748 if (cmatch == strlen(cont_seq))
2750 cmatch = 0; // complete match. just reset the counter
2753 it's possible for the ICS to not include the space
2754 at the end of the last word, making our [correct]
2755 join operation fuse two separate words. the server
2756 does this when the space occurs at the width setting.
2758 if (!buf_len || buf[buf_len-1] != ' ')
2769 match failed, so we have to copy what matched before
2770 falling through and copying this character. In reality,
2771 this will only ever be just the newline character, but
2772 it doesn't hurt to be precise.
2774 strncpy(bp, cont_seq, cmatch);
2786 buf[buf_len] = NULLCHAR;
2787 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2792 while (i < buf_len) {
2793 /* Deal with part of the TELNET option negotiation
2794 protocol. We refuse to do anything beyond the
2795 defaults, except that we allow the WILL ECHO option,
2796 which ICS uses to turn off password echoing when we are
2797 directly connected to it. We reject this option
2798 if localLineEditing mode is on (always on in xboard)
2799 and we are talking to port 23, which might be a real
2800 telnet server that will try to keep WILL ECHO on permanently.
2802 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2803 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2804 unsigned char option;
2806 switch ((unsigned char) buf[++i]) {
2808 if (appData.debugMode)
2809 fprintf(debugFP, "\n<WILL ");
2810 switch (option = (unsigned char) buf[++i]) {
2812 if (appData.debugMode)
2813 fprintf(debugFP, "ECHO ");
2814 /* Reply only if this is a change, according
2815 to the protocol rules. */
2816 if (remoteEchoOption) break;
2817 if (appData.localLineEditing &&
2818 atoi(appData.icsPort) == TN_PORT) {
2819 TelnetRequest(TN_DONT, TN_ECHO);
2822 TelnetRequest(TN_DO, TN_ECHO);
2823 remoteEchoOption = TRUE;
2827 if (appData.debugMode)
2828 fprintf(debugFP, "%d ", option);
2829 /* Whatever this is, we don't want it. */
2830 TelnetRequest(TN_DONT, option);
2835 if (appData.debugMode)
2836 fprintf(debugFP, "\n<WONT ");
2837 switch (option = (unsigned char) buf[++i]) {
2839 if (appData.debugMode)
2840 fprintf(debugFP, "ECHO ");
2841 /* Reply only if this is a change, according
2842 to the protocol rules. */
2843 if (!remoteEchoOption) break;
2845 TelnetRequest(TN_DONT, TN_ECHO);
2846 remoteEchoOption = FALSE;
2849 if (appData.debugMode)
2850 fprintf(debugFP, "%d ", (unsigned char) option);
2851 /* Whatever this is, it must already be turned
2852 off, because we never agree to turn on
2853 anything non-default, so according to the
2854 protocol rules, we don't reply. */
2859 if (appData.debugMode)
2860 fprintf(debugFP, "\n<DO ");
2861 switch (option = (unsigned char) buf[++i]) {
2863 /* Whatever this is, we refuse to do it. */
2864 if (appData.debugMode)
2865 fprintf(debugFP, "%d ", option);
2866 TelnetRequest(TN_WONT, option);
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<DONT ");
2873 switch (option = (unsigned char) buf[++i]) {
2875 if (appData.debugMode)
2876 fprintf(debugFP, "%d ", option);
2877 /* Whatever this is, we are already not doing
2878 it, because we never agree to do anything
2879 non-default, so according to the protocol
2880 rules, we don't reply. */
2885 if (appData.debugMode)
2886 fprintf(debugFP, "\n<IAC ");
2887 /* Doubled IAC; pass it through */
2891 if (appData.debugMode)
2892 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2893 /* Drop all other telnet commands on the floor */
2896 if (oldi > next_out)
2897 SendToPlayer(&buf[next_out], oldi - next_out);
2903 /* OK, this at least will *usually* work */
2904 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2908 if (loggedOn && !intfSet) {
2909 if (ics_type == ICS_ICC) {
2910 snprintf(str, MSG_SIZ,
2911 "/set-quietly interface %s\n/set-quietly style 12\n",
2913 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2914 strcat(str, "/set-2 51 1\n/set seek 1\n");
2915 } else if (ics_type == ICS_CHESSNET) {
2916 snprintf(str, MSG_SIZ, "/style 12\n");
2918 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2919 strcat(str, programVersion);
2920 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2921 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2922 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2924 strcat(str, "$iset nohighlight 1\n");
2926 strcat(str, "$iset lock 1\n$style 12\n");
2929 NotifyFrontendLogin();
2933 if (started == STARTED_COMMENT) {
2934 /* Accumulate characters in comment */
2935 parse[parse_pos++] = buf[i];
2936 if (buf[i] == '\n') {
2937 parse[parse_pos] = NULLCHAR;
2938 if(chattingPartner>=0) {
2940 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2941 OutputChatMessage(chattingPartner, mess);
2942 chattingPartner = -1;
2943 next_out = i+1; // [HGM] suppress printing in ICS window
2945 if(!suppressKibitz) // [HGM] kibitz
2946 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2947 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2948 int nrDigit = 0, nrAlph = 0, j;
2949 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2950 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2951 parse[parse_pos] = NULLCHAR;
2952 // try to be smart: if it does not look like search info, it should go to
2953 // ICS interaction window after all, not to engine-output window.
2954 for(j=0; j<parse_pos; j++) { // count letters and digits
2955 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2956 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2957 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2959 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2960 int depth=0; float score;
2961 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2962 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2963 pvInfoList[forwardMostMove-1].depth = depth;
2964 pvInfoList[forwardMostMove-1].score = 100*score;
2966 OutputKibitz(suppressKibitz, parse);
2969 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2970 SendToPlayer(tmp, strlen(tmp));
2972 next_out = i+1; // [HGM] suppress printing in ICS window
2974 started = STARTED_NONE;
2976 /* Don't match patterns against characters in comment */
2981 if (started == STARTED_CHATTER) {
2982 if (buf[i] != '\n') {
2983 /* Don't match patterns against characters in chatter */
2987 started = STARTED_NONE;
2988 if(suppressKibitz) next_out = i+1;
2991 /* Kludge to deal with rcmd protocol */
2992 if (firstTime && looking_at(buf, &i, "\001*")) {
2993 DisplayFatalError(&buf[1], 0, 1);
2999 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3002 if (appData.debugMode)
3003 fprintf(debugFP, "ics_type %d\n", ics_type);
3006 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3007 ics_type = ICS_FICS;
3009 if (appData.debugMode)
3010 fprintf(debugFP, "ics_type %d\n", ics_type);
3013 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3014 ics_type = ICS_CHESSNET;
3016 if (appData.debugMode)
3017 fprintf(debugFP, "ics_type %d\n", ics_type);
3022 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3023 looking_at(buf, &i, "Logging you in as \"*\"") ||
3024 looking_at(buf, &i, "will be \"*\""))) {
3025 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3029 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3031 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3032 DisplayIcsInteractionTitle(buf);
3033 have_set_title = TRUE;
3036 /* skip finger notes */
3037 if (started == STARTED_NONE &&
3038 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3039 (buf[i] == '1' && buf[i+1] == '0')) &&
3040 buf[i+2] == ':' && buf[i+3] == ' ') {
3041 started = STARTED_CHATTER;
3047 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3048 if(appData.seekGraph) {
3049 if(soughtPending && MatchSoughtLine(buf+i)) {
3050 i = strstr(buf+i, "rated") - buf;
3051 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3052 next_out = leftover_start = i;
3053 started = STARTED_CHATTER;
3054 suppressKibitz = TRUE;
3057 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3058 && looking_at(buf, &i, "* ads displayed")) {
3059 soughtPending = FALSE;
3064 if(appData.autoRefresh) {
3065 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3066 int s = (ics_type == ICS_ICC); // ICC format differs
3068 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3069 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3070 looking_at(buf, &i, "*% "); // eat prompt
3071 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3072 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3073 next_out = i; // suppress
3076 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3077 char *p = star_match[0];
3079 if(seekGraphUp) RemoveSeekAd(atoi(p));
3080 while(*p && *p++ != ' '); // next
3082 looking_at(buf, &i, "*% "); // eat prompt
3083 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3090 /* skip formula vars */
3091 if (started == STARTED_NONE &&
3092 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3093 started = STARTED_CHATTER;
3098 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3099 if (appData.autoKibitz && started == STARTED_NONE &&
3100 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3101 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3102 if((looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3103 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3104 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3105 suppressKibitz = TRUE;
3106 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3108 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3109 && (gameMode == IcsPlayingWhite)) ||
3110 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3111 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3112 started = STARTED_CHATTER; // own kibitz we simply discard
3114 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3115 parse_pos = 0; parse[0] = NULLCHAR;
3116 savingComment = TRUE;
3117 suppressKibitz = gameMode != IcsObserving ? 2 :
3118 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3122 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3123 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3124 && atoi(star_match[0])) {
3125 // suppress the acknowledgements of our own autoKibitz
3127 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3128 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3129 SendToPlayer(star_match[0], strlen(star_match[0]));
3130 if(looking_at(buf, &i, "*% ")) // eat prompt
3131 suppressKibitz = FALSE;
3135 } // [HGM] kibitz: end of patch
3137 // [HGM] chat: intercept tells by users for which we have an open chat window
3139 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3140 looking_at(buf, &i, "* whispers:") ||
3141 looking_at(buf, &i, "* kibitzes:") ||
3142 looking_at(buf, &i, "* shouts:") ||
3143 looking_at(buf, &i, "* c-shouts:") ||
3144 looking_at(buf, &i, "--> * ") ||
3145 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3146 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3147 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3148 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3150 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3151 chattingPartner = -1;
3153 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3154 for(p=0; p<MAX_CHAT; p++) {
3155 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3156 talker[0] = '['; strcat(talker, "] ");
3157 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3158 chattingPartner = p; break;
3161 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3162 for(p=0; p<MAX_CHAT; p++) {
3163 if(!strcmp("kibitzes", chatPartner[p])) {
3164 talker[0] = '['; strcat(talker, "] ");
3165 chattingPartner = p; break;
3168 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3169 for(p=0; p<MAX_CHAT; p++) {
3170 if(!strcmp("whispers", chatPartner[p])) {
3171 talker[0] = '['; strcat(talker, "] ");
3172 chattingPartner = p; break;
3175 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3176 if(buf[i-8] == '-' && buf[i-3] == 't')
3177 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3178 if(!strcmp("c-shouts", chatPartner[p])) {
3179 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3180 chattingPartner = p; break;
3183 if(chattingPartner < 0)
3184 for(p=0; p<MAX_CHAT; p++) {
3185 if(!strcmp("shouts", chatPartner[p])) {
3186 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3187 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3188 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3189 chattingPartner = p; break;
3193 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3194 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3195 talker[0] = 0; Colorize(ColorTell, FALSE);
3196 chattingPartner = p; break;
3198 if(chattingPartner<0) i = oldi; else {
3199 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3200 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3201 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3202 started = STARTED_COMMENT;
3203 parse_pos = 0; parse[0] = NULLCHAR;
3204 savingComment = 3 + chattingPartner; // counts as TRUE
3205 suppressKibitz = TRUE;
3208 } // [HGM] chat: end of patch
3211 if (appData.zippyTalk || appData.zippyPlay) {
3212 /* [DM] Backup address for color zippy lines */
3214 if (loggedOn == TRUE)
3215 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3216 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3218 } // [DM] 'else { ' deleted
3220 /* Regular tells and says */
3221 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3222 looking_at(buf, &i, "* (your partner) tells you: ") ||
3223 looking_at(buf, &i, "* says: ") ||
3224 /* Don't color "message" or "messages" output */
3225 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3226 looking_at(buf, &i, "*. * at *:*: ") ||
3227 looking_at(buf, &i, "--* (*:*): ") ||
3228 /* Message notifications (same color as tells) */
3229 looking_at(buf, &i, "* has left a message ") ||
3230 looking_at(buf, &i, "* just sent you a message:\n") ||
3231 /* Whispers and kibitzes */
3232 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3233 looking_at(buf, &i, "* kibitzes: ") ||
3235 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3237 if (tkind == 1 && strchr(star_match[0], ':')) {
3238 /* Avoid "tells you:" spoofs in channels */
3241 if (star_match[0][0] == NULLCHAR ||
3242 strchr(star_match[0], ' ') ||
3243 (tkind == 3 && strchr(star_match[1], ' '))) {
3244 /* Reject bogus matches */
3247 if (appData.colorize) {
3248 if (oldi > next_out) {
3249 SendToPlayer(&buf[next_out], oldi - next_out);
3254 Colorize(ColorTell, FALSE);
3255 curColor = ColorTell;
3258 Colorize(ColorKibitz, FALSE);
3259 curColor = ColorKibitz;
3262 p = strrchr(star_match[1], '(');
3269 Colorize(ColorChannel1, FALSE);
3270 curColor = ColorChannel1;
3272 Colorize(ColorChannel, FALSE);
3273 curColor = ColorChannel;
3277 curColor = ColorNormal;
3281 if (started == STARTED_NONE && appData.autoComment &&
3282 (gameMode == IcsObserving ||
3283 gameMode == IcsPlayingWhite ||
3284 gameMode == IcsPlayingBlack)) {
3285 parse_pos = i - oldi;
3286 memcpy(parse, &buf[oldi], parse_pos);
3287 parse[parse_pos] = NULLCHAR;
3288 started = STARTED_COMMENT;
3289 savingComment = TRUE;
3291 started = STARTED_CHATTER;
3292 savingComment = FALSE;
3299 if (looking_at(buf, &i, "* s-shouts: ") ||
3300 looking_at(buf, &i, "* c-shouts: ")) {
3301 if (appData.colorize) {
3302 if (oldi > next_out) {
3303 SendToPlayer(&buf[next_out], oldi - next_out);
3306 Colorize(ColorSShout, FALSE);
3307 curColor = ColorSShout;
3310 started = STARTED_CHATTER;
3314 if (looking_at(buf, &i, "--->")) {
3319 if (looking_at(buf, &i, "* shouts: ") ||
3320 looking_at(buf, &i, "--> ")) {
3321 if (appData.colorize) {
3322 if (oldi > next_out) {
3323 SendToPlayer(&buf[next_out], oldi - next_out);
3326 Colorize(ColorShout, FALSE);
3327 curColor = ColorShout;
3330 started = STARTED_CHATTER;
3334 if (looking_at( buf, &i, "Challenge:")) {
3335 if (appData.colorize) {
3336 if (oldi > next_out) {
3337 SendToPlayer(&buf[next_out], oldi - next_out);
3340 Colorize(ColorChallenge, FALSE);
3341 curColor = ColorChallenge;
3347 if (looking_at(buf, &i, "* offers you") ||
3348 looking_at(buf, &i, "* offers to be") ||
3349 looking_at(buf, &i, "* would like to") ||
3350 looking_at(buf, &i, "* requests to") ||
3351 looking_at(buf, &i, "Your opponent offers") ||
3352 looking_at(buf, &i, "Your opponent requests")) {
3354 if (appData.colorize) {
3355 if (oldi > next_out) {
3356 SendToPlayer(&buf[next_out], oldi - next_out);
3359 Colorize(ColorRequest, FALSE);
3360 curColor = ColorRequest;
3365 if (looking_at(buf, &i, "* (*) seeking")) {
3366 if (appData.colorize) {
3367 if (oldi > next_out) {
3368 SendToPlayer(&buf[next_out], oldi - next_out);
3371 Colorize(ColorSeek, FALSE);
3372 curColor = ColorSeek;
3377 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3379 if (looking_at(buf, &i, "\\ ")) {
3380 if (prevColor != ColorNormal) {
3381 if (oldi > next_out) {
3382 SendToPlayer(&buf[next_out], oldi - next_out);
3385 Colorize(prevColor, TRUE);
3386 curColor = prevColor;
3388 if (savingComment) {
3389 parse_pos = i - oldi;
3390 memcpy(parse, &buf[oldi], parse_pos);
3391 parse[parse_pos] = NULLCHAR;
3392 started = STARTED_COMMENT;
3393 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3394 chattingPartner = savingComment - 3; // kludge to remember the box
3396 started = STARTED_CHATTER;
3401 if (looking_at(buf, &i, "Black Strength :") ||
3402 looking_at(buf, &i, "<<< style 10 board >>>") ||
3403 looking_at(buf, &i, "<10>") ||
3404 looking_at(buf, &i, "#@#")) {
3405 /* Wrong board style */
3407 SendToICS(ics_prefix);
3408 SendToICS("set style 12\n");
3409 SendToICS(ics_prefix);
3410 SendToICS("refresh\n");
3414 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3416 have_sent_ICS_logon = 1;
3420 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3421 (looking_at(buf, &i, "\n<12> ") ||
3422 looking_at(buf, &i, "<12> "))) {
3424 if (oldi > next_out) {
3425 SendToPlayer(&buf[next_out], oldi - next_out);
3428 started = STARTED_BOARD;
3433 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3434 looking_at(buf, &i, "<b1> ")) {
3435 if (oldi > next_out) {
3436 SendToPlayer(&buf[next_out], oldi - next_out);
3439 started = STARTED_HOLDINGS;
3444 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3446 /* Header for a move list -- first line */
3448 switch (ics_getting_history) {
3452 case BeginningOfGame:
3453 /* User typed "moves" or "oldmoves" while we
3454 were idle. Pretend we asked for these
3455 moves and soak them up so user can step
3456 through them and/or save them.
3459 gameMode = IcsObserving;
3462 ics_getting_history = H_GOT_UNREQ_HEADER;
3464 case EditGame: /*?*/
3465 case EditPosition: /*?*/
3466 /* Should above feature work in these modes too? */
3467 /* For now it doesn't */
3468 ics_getting_history = H_GOT_UNWANTED_HEADER;
3471 ics_getting_history = H_GOT_UNWANTED_HEADER;
3476 /* Is this the right one? */
3477 if (gameInfo.white && gameInfo.black &&
3478 strcmp(gameInfo.white, star_match[0]) == 0 &&
3479 strcmp(gameInfo.black, star_match[2]) == 0) {
3481 ics_getting_history = H_GOT_REQ_HEADER;
3484 case H_GOT_REQ_HEADER:
3485 case H_GOT_UNREQ_HEADER:
3486 case H_GOT_UNWANTED_HEADER:
3487 case H_GETTING_MOVES:
3488 /* Should not happen */
3489 DisplayError(_("Error gathering move list: two headers"), 0);
3490 ics_getting_history = H_FALSE;
3494 /* Save player ratings into gameInfo if needed */
3495 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3496 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3497 (gameInfo.whiteRating == -1 ||
3498 gameInfo.blackRating == -1)) {
3500 gameInfo.whiteRating = string_to_rating(star_match[1]);
3501 gameInfo.blackRating = string_to_rating(star_match[3]);
3502 if (appData.debugMode)
3503 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3504 gameInfo.whiteRating, gameInfo.blackRating);
3509 if (looking_at(buf, &i,
3510 "* * match, initial time: * minute*, increment: * second")) {
3511 /* Header for a move list -- second line */
3512 /* Initial board will follow if this is a wild game */
3513 if (gameInfo.event != NULL) free(gameInfo.event);
3514 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3515 gameInfo.event = StrSave(str);
3516 /* [HGM] we switched variant. Translate boards if needed. */
3517 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3521 if (looking_at(buf, &i, "Move ")) {
3522 /* Beginning of a move list */
3523 switch (ics_getting_history) {
3525 /* Normally should not happen */
3526 /* Maybe user hit reset while we were parsing */
3529 /* Happens if we are ignoring a move list that is not
3530 * the one we just requested. Common if the user
3531 * tries to observe two games without turning off
3534 case H_GETTING_MOVES:
3535 /* Should not happen */
3536 DisplayError(_("Error gathering move list: nested"), 0);
3537 ics_getting_history = H_FALSE;
3539 case H_GOT_REQ_HEADER:
3540 ics_getting_history = H_GETTING_MOVES;
3541 started = STARTED_MOVES;
3543 if (oldi > next_out) {
3544 SendToPlayer(&buf[next_out], oldi - next_out);
3547 case H_GOT_UNREQ_HEADER:
3548 ics_getting_history = H_GETTING_MOVES;
3549 started = STARTED_MOVES_NOHIDE;
3552 case H_GOT_UNWANTED_HEADER:
3553 ics_getting_history = H_FALSE;
3559 if (looking_at(buf, &i, "% ") ||
3560 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3561 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3562 if(ics_type == ICS_ICC && soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3563 soughtPending = FALSE;
3567 if(suppressKibitz) next_out = i;
3568 savingComment = FALSE;
3572 case STARTED_MOVES_NOHIDE:
3573 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3574 parse[parse_pos + i - oldi] = NULLCHAR;
3575 ParseGameHistory(parse);
3577 if (appData.zippyPlay && first.initDone) {
3578 FeedMovesToProgram(&first, forwardMostMove);
3579 if (gameMode == IcsPlayingWhite) {
3580 if (WhiteOnMove(forwardMostMove)) {
3581 if (first.sendTime) {
3582 if (first.useColors) {
3583 SendToProgram("black\n", &first);
3585 SendTimeRemaining(&first, TRUE);
3587 if (first.useColors) {
3588 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3590 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3591 first.maybeThinking = TRUE;
3593 if (first.usePlayother) {
3594 if (first.sendTime) {
3595 SendTimeRemaining(&first, TRUE);
3597 SendToProgram("playother\n", &first);
3603 } else if (gameMode == IcsPlayingBlack) {
3604 if (!WhiteOnMove(forwardMostMove)) {
3605 if (first.sendTime) {
3606 if (first.useColors) {
3607 SendToProgram("white\n", &first);
3609 SendTimeRemaining(&first, FALSE);
3611 if (first.useColors) {
3612 SendToProgram("black\n", &first);
3614 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3615 first.maybeThinking = TRUE;
3617 if (first.usePlayother) {
3618 if (first.sendTime) {
3619 SendTimeRemaining(&first, FALSE);
3621 SendToProgram("playother\n", &first);
3630 if (gameMode == IcsObserving && ics_gamenum == -1) {
3631 /* Moves came from oldmoves or moves command
3632 while we weren't doing anything else.
3634 currentMove = forwardMostMove;
3635 ClearHighlights();/*!!could figure this out*/
3636 flipView = appData.flipView;
3637 DrawPosition(TRUE, boards[currentMove]);
3638 DisplayBothClocks();
3639 snprintf(str, MSG_SIZ, "%s vs. %s",
3640 gameInfo.white, gameInfo.black);
3644 /* Moves were history of an active game */
3645 if (gameInfo.resultDetails != NULL) {
3646 free(gameInfo.resultDetails);
3647 gameInfo.resultDetails = NULL;
3650 HistorySet(parseList, backwardMostMove,
3651 forwardMostMove, currentMove-1);
3652 DisplayMove(currentMove - 1);
3653 if (started == STARTED_MOVES) next_out = i;
3654 started = STARTED_NONE;
3655 ics_getting_history = H_FALSE;
3658 case STARTED_OBSERVE:
3659 started = STARTED_NONE;
3660 SendToICS(ics_prefix);
3661 SendToICS("refresh\n");
3667 if(bookHit) { // [HGM] book: simulate book reply
3668 static char bookMove[MSG_SIZ]; // a bit generous?
3670 programStats.nodes = programStats.depth = programStats.time =
3671 programStats.score = programStats.got_only_move = 0;
3672 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3674 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3675 strcat(bookMove, bookHit);
3676 HandleMachineMove(bookMove, &first);
3681 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3682 started == STARTED_HOLDINGS ||
3683 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3684 /* Accumulate characters in move list or board */
3685 parse[parse_pos++] = buf[i];
3688 /* Start of game messages. Mostly we detect start of game
3689 when the first board image arrives. On some versions
3690 of the ICS, though, we need to do a "refresh" after starting
3691 to observe in order to get the current board right away. */
3692 if (looking_at(buf, &i, "Adding game * to observation list")) {
3693 started = STARTED_OBSERVE;
3697 /* Handle auto-observe */
3698 if (appData.autoObserve &&
3699 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3700 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3702 /* Choose the player that was highlighted, if any. */
3703 if (star_match[0][0] == '\033' ||
3704 star_match[1][0] != '\033') {
3705 player = star_match[0];
3707 player = star_match[2];
3709 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3710 ics_prefix, StripHighlightAndTitle(player));
3713 /* Save ratings from notify string */
3714 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3715 player1Rating = string_to_rating(star_match[1]);
3716 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3717 player2Rating = string_to_rating(star_match[3]);
3719 if (appData.debugMode)
3721 "Ratings from 'Game notification:' %s %d, %s %d\n",
3722 player1Name, player1Rating,
3723 player2Name, player2Rating);
3728 /* Deal with automatic examine mode after a game,
3729 and with IcsObserving -> IcsExamining transition */
3730 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3731 looking_at(buf, &i, "has made you an examiner of game *")) {
3733 int gamenum = atoi(star_match[0]);
3734 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3735 gamenum == ics_gamenum) {
3736 /* We were already playing or observing this game;
3737 no need to refetch history */
3738 gameMode = IcsExamining;
3740 pauseExamForwardMostMove = forwardMostMove;
3741 } else if (currentMove < forwardMostMove) {
3742 ForwardInner(forwardMostMove);
3745 /* I don't think this case really can happen */
3746 SendToICS(ics_prefix);
3747 SendToICS("refresh\n");
3752 /* Error messages */
3753 // if (ics_user_moved) {
3754 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3755 if (looking_at(buf, &i, "Illegal move") ||
3756 looking_at(buf, &i, "Not a legal move") ||
3757 looking_at(buf, &i, "Your king is in check") ||
3758 looking_at(buf, &i, "It isn't your turn") ||
3759 looking_at(buf, &i, "It is not your move")) {
3761 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3762 currentMove = forwardMostMove-1;
3763 DisplayMove(currentMove - 1); /* before DMError */
3764 DrawPosition(FALSE, boards[currentMove]);
3765 SwitchClocks(forwardMostMove-1); // [HGM] race
3766 DisplayBothClocks();
3768 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3774 if (looking_at(buf, &i, "still have time") ||
3775 looking_at(buf, &i, "not out of time") ||
3776 looking_at(buf, &i, "either player is out of time") ||
3777 looking_at(buf, &i, "has timeseal; checking")) {
3778 /* We must have called his flag a little too soon */
3779 whiteFlag = blackFlag = FALSE;
3783 if (looking_at(buf, &i, "added * seconds to") ||
3784 looking_at(buf, &i, "seconds were added to")) {
3785 /* Update the clocks */
3786 SendToICS(ics_prefix);
3787 SendToICS("refresh\n");
3791 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3792 ics_clock_paused = TRUE;
3797 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3798 ics_clock_paused = FALSE;
3803 /* Grab player ratings from the Creating: message.
3804 Note we have to check for the special case when
3805 the ICS inserts things like [white] or [black]. */
3806 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3807 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3809 0 player 1 name (not necessarily white)
3811 2 empty, white, or black (IGNORED)
3812 3 player 2 name (not necessarily black)
3815 The names/ratings are sorted out when the game
3816 actually starts (below).
3818 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3819 player1Rating = string_to_rating(star_match[1]);
3820 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3821 player2Rating = string_to_rating(star_match[4]);
3823 if (appData.debugMode)
3825 "Ratings from 'Creating:' %s %d, %s %d\n",
3826 player1Name, player1Rating,
3827 player2Name, player2Rating);
3832 /* Improved generic start/end-of-game messages */
3833 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3834 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3835 /* If tkind == 0: */
3836 /* star_match[0] is the game number */
3837 /* [1] is the white player's name */
3838 /* [2] is the black player's name */
3839 /* For end-of-game: */
3840 /* [3] is the reason for the game end */
3841 /* [4] is a PGN end game-token, preceded by " " */
3842 /* For start-of-game: */
3843 /* [3] begins with "Creating" or "Continuing" */
3844 /* [4] is " *" or empty (don't care). */
3845 int gamenum = atoi(star_match[0]);
3846 char *whitename, *blackname, *why, *endtoken;
3847 ChessMove endtype = EndOfFile;
3850 whitename = star_match[1];
3851 blackname = star_match[2];
3852 why = star_match[3];
3853 endtoken = star_match[4];
3855 whitename = star_match[1];
3856 blackname = star_match[3];
3857 why = star_match[5];
3858 endtoken = star_match[6];
3861 /* Game start messages */
3862 if (strncmp(why, "Creating ", 9) == 0 ||
3863 strncmp(why, "Continuing ", 11) == 0) {
3864 gs_gamenum = gamenum;
3865 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3866 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3867 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3869 if (appData.zippyPlay) {
3870 ZippyGameStart(whitename, blackname);
3873 partnerBoardValid = FALSE; // [HGM] bughouse
3877 /* Game end messages */
3878 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3879 ics_gamenum != gamenum) {
3882 while (endtoken[0] == ' ') endtoken++;
3883 switch (endtoken[0]) {
3886 endtype = GameUnfinished;
3889 endtype = BlackWins;
3892 if (endtoken[1] == '/')
3893 endtype = GameIsDrawn;
3895 endtype = WhiteWins;
3898 GameEnds(endtype, why, GE_ICS);
3900 if (appData.zippyPlay && first.initDone) {
3901 ZippyGameEnd(endtype, why);
3902 if (first.pr == NoProc) {
3903 /* Start the next process early so that we'll
3904 be ready for the next challenge */
3905 StartChessProgram(&first);
3907 /* Send "new" early, in case this command takes
3908 a long time to finish, so that we'll be ready
3909 for the next challenge. */
3910 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3914 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3918 if (looking_at(buf, &i, "Removing game * from observation") ||
3919 looking_at(buf, &i, "no longer observing game *") ||
3920 looking_at(buf, &i, "Game * (*) has no examiners")) {
3921 if (gameMode == IcsObserving &&
3922 atoi(star_match[0]) == ics_gamenum)
3924 /* icsEngineAnalyze */
3925 if (appData.icsEngineAnalyze) {
3932 ics_user_moved = FALSE;
3937 if (looking_at(buf, &i, "no longer examining game *")) {
3938 if (gameMode == IcsExamining &&
3939 atoi(star_match[0]) == ics_gamenum)
3943 ics_user_moved = FALSE;
3948 /* Advance leftover_start past any newlines we find,
3949 so only partial lines can get reparsed */
3950 if (looking_at(buf, &i, "\n")) {
3951 prevColor = curColor;
3952 if (curColor != ColorNormal) {
3953 if (oldi > next_out) {
3954 SendToPlayer(&buf[next_out], oldi - next_out);
3957 Colorize(ColorNormal, FALSE);
3958 curColor = ColorNormal;
3960 if (started == STARTED_BOARD) {
3961 started = STARTED_NONE;
3962 parse[parse_pos] = NULLCHAR;
3963 ParseBoard12(parse);
3966 /* Send premove here */
3967 if (appData.premove) {
3969 if (currentMove == 0 &&
3970 gameMode == IcsPlayingWhite &&
3971 appData.premoveWhite) {
3972 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3973 if (appData.debugMode)
3974 fprintf(debugFP, "Sending premove:\n");
3976 } else if (currentMove == 1 &&
3977 gameMode == IcsPlayingBlack &&
3978 appData.premoveBlack) {
3979 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3980 if (appData.debugMode)
3981 fprintf(debugFP, "Sending premove:\n");
3983 } else if (gotPremove) {
3985 ClearPremoveHighlights();
3986 if (appData.debugMode)
3987 fprintf(debugFP, "Sending premove:\n");
3988 UserMoveEvent(premoveFromX, premoveFromY,
3989 premoveToX, premoveToY,
3994 /* Usually suppress following prompt */
3995 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3996 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3997 if (looking_at(buf, &i, "*% ")) {
3998 savingComment = FALSE;
4003 } else if (started == STARTED_HOLDINGS) {
4005 char new_piece[MSG_SIZ];
4006 started = STARTED_NONE;
4007 parse[parse_pos] = NULLCHAR;
4008 if (appData.debugMode)
4009 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4010 parse, currentMove);
4011 if (sscanf(parse, " game %d", &gamenum) == 1) {
4012 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4013 if (gameInfo.variant == VariantNormal) {
4014 /* [HGM] We seem to switch variant during a game!
4015 * Presumably no holdings were displayed, so we have
4016 * to move the position two files to the right to
4017 * create room for them!
4019 VariantClass newVariant;
4020 switch(gameInfo.boardWidth) { // base guess on board width
4021 case 9: newVariant = VariantShogi; break;
4022 case 10: newVariant = VariantGreat; break;
4023 default: newVariant = VariantCrazyhouse; break;
4025 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4026 /* Get a move list just to see the header, which
4027 will tell us whether this is really bug or zh */
4028 if (ics_getting_history == H_FALSE) {
4029 ics_getting_history = H_REQUESTED;
4030 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4034 new_piece[0] = NULLCHAR;
4035 sscanf(parse, "game %d white [%s black [%s <- %s",
4036 &gamenum, white_holding, black_holding,
4038 white_holding[strlen(white_holding)-1] = NULLCHAR;
4039 black_holding[strlen(black_holding)-1] = NULLCHAR;
4040 /* [HGM] copy holdings to board holdings area */
4041 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4042 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4043 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4045 if (appData.zippyPlay && first.initDone) {
4046 ZippyHoldings(white_holding, black_holding,
4050 if (tinyLayout || smallLayout) {
4051 char wh[16], bh[16];
4052 PackHolding(wh, white_holding);
4053 PackHolding(bh, black_holding);
4054 snprintf(str, MSG_SIZ,"[%s-%s] %s-%s", wh, bh,
4055 gameInfo.white, gameInfo.black);
4057 snprintf(str, MSG_SIZ, "%s [%s] vs. %s [%s]",
4058 gameInfo.white, white_holding,
4059 gameInfo.black, black_holding);
4061 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4062 DrawPosition(FALSE, boards[currentMove]);
4064 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4065 sscanf(parse, "game %d white [%s black [%s <- %s",
4066 &gamenum, white_holding, black_holding,
4068 white_holding[strlen(white_holding)-1] = NULLCHAR;
4069 black_holding[strlen(black_holding)-1] = NULLCHAR;
4070 /* [HGM] copy holdings to partner-board holdings area */
4071 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4072 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4073 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4074 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4075 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4078 /* Suppress following prompt */
4079 if (looking_at(buf, &i, "*% ")) {
4080 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4081 savingComment = FALSE;
4089 i++; /* skip unparsed character and loop back */
4092 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4093 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4094 // SendToPlayer(&buf[next_out], i - next_out);
4095 started != STARTED_HOLDINGS && leftover_start > next_out) {
4096 SendToPlayer(&buf[next_out], leftover_start - next_out);
4100 leftover_len = buf_len - leftover_start;
4101 /* if buffer ends with something we couldn't parse,
4102 reparse it after appending the next read */
4104 } else if (count == 0) {
4105 RemoveInputSource(isr);
4106 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4108 DisplayFatalError(_("Error reading from ICS"), error, 1);
4113 /* Board style 12 looks like this:
4115 <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
4117 * The "<12> " is stripped before it gets to this routine. The two
4118 * trailing 0's (flip state and clock ticking) are later addition, and
4119 * some chess servers may not have them, or may have only the first.
4120 * Additional trailing fields may be added in the future.
4123 #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"
4125 #define RELATION_OBSERVING_PLAYED 0
4126 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4127 #define RELATION_PLAYING_MYMOVE 1
4128 #define RELATION_PLAYING_NOTMYMOVE -1
4129 #define RELATION_EXAMINING 2
4130 #define RELATION_ISOLATED_BOARD -3
4131 #define RELATION_STARTING_POSITION -4 /* FICS only */
4134 ParseBoard12(string)
4137 GameMode newGameMode;
4138 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4139 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4140 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4141 char to_play, board_chars[200];
4142 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4143 char black[32], white[32];
4145 int prevMove = currentMove;
4148 int fromX, fromY, toX, toY;
4150 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4151 char *bookHit = NULL; // [HGM] book
4152 Boolean weird = FALSE, reqFlag = FALSE;
4154 fromX = fromY = toX = toY = -1;
4158 if (appData.debugMode)
4159 fprintf(debugFP, _("Parsing board: %s\n"), string);
4161 move_str[0] = NULLCHAR;
4162 elapsed_time[0] = NULLCHAR;
4163 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4165 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4166 if(string[i] == ' ') { ranks++; files = 0; }
4168 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4171 for(j = 0; j <i; j++) board_chars[j] = string[j];
4172 board_chars[i] = '\0';
4175 n = sscanf(string, PATTERN, &to_play, &double_push,
4176 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4177 &gamenum, white, black, &relation, &basetime, &increment,
4178 &white_stren, &black_stren, &white_time, &black_time,
4179 &moveNum, str, elapsed_time, move_str, &ics_flip,
4183 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4184 DisplayError(str, 0);
4188 /* Convert the move number to internal form */
4189 moveNum = (moveNum - 1) * 2;
4190 if (to_play == 'B') moveNum++;
4191 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4192 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4198 case RELATION_OBSERVING_PLAYED:
4199 case RELATION_OBSERVING_STATIC:
4200 if (gamenum == -1) {
4201 /* Old ICC buglet */
4202 relation = RELATION_OBSERVING_STATIC;
4204 newGameMode = IcsObserving;
4206 case RELATION_PLAYING_MYMOVE:
4207 case RELATION_PLAYING_NOTMYMOVE:
4209 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4210 IcsPlayingWhite : IcsPlayingBlack;
4212 case RELATION_EXAMINING:
4213 newGameMode = IcsExamining;
4215 case RELATION_ISOLATED_BOARD:
4217 /* Just display this board. If user was doing something else,
4218 we will forget about it until the next board comes. */
4219 newGameMode = IcsIdle;
4221 case RELATION_STARTING_POSITION:
4222 newGameMode = gameMode;
4226 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4227 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4228 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4230 for (k = 0; k < ranks; k++) {
4231 for (j = 0; j < files; j++)
4232 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4233 if(gameInfo.holdingsWidth > 1) {
4234 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4235 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4238 CopyBoard(partnerBoard, board);
4239 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4240 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4241 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4242 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4243 if(toSqr = strchr(str, '-')) {
4244 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4245 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4246 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4247 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4248 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4249 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4250 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4251 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4252 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4253 DisplayMessage(partnerStatus, "");
4254 partnerBoardValid = TRUE;
4258 /* Modify behavior for initial board display on move listing
4261 switch (ics_getting_history) {
4265 case H_GOT_REQ_HEADER:
4266 case H_GOT_UNREQ_HEADER:
4267 /* This is the initial position of the current game */
4268 gamenum = ics_gamenum;
4269 moveNum = 0; /* old ICS bug workaround */
4270 if (to_play == 'B') {
4271 startedFromSetupPosition = TRUE;
4272 blackPlaysFirst = TRUE;
4274 if (forwardMostMove == 0) forwardMostMove = 1;
4275 if (backwardMostMove == 0) backwardMostMove = 1;
4276 if (currentMove == 0) currentMove = 1;
4278 newGameMode = gameMode;
4279 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4281 case H_GOT_UNWANTED_HEADER:
4282 /* This is an initial board that we don't want */
4284 case H_GETTING_MOVES:
4285 /* Should not happen */
4286 DisplayError(_("Error gathering move list: extra board"), 0);
4287 ics_getting_history = H_FALSE;
4291 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4292 weird && (int)gameInfo.variant < (int)VariantShogi) {
4293 /* [HGM] We seem to have switched variant unexpectedly
4294 * Try to guess new variant from board size
4296 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4297 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4298 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4299 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4300 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4301 if(!weird) newVariant = VariantNormal;
4302 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4303 /* Get a move list just to see the header, which
4304 will tell us whether this is really bug or zh */
4305 if (ics_getting_history == H_FALSE) {
4306 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4307 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4312 /* Take action if this is the first board of a new game, or of a
4313 different game than is currently being displayed. */
4314 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4315 relation == RELATION_ISOLATED_BOARD) {
4317 /* Forget the old game and get the history (if any) of the new one */
4318 if (gameMode != BeginningOfGame) {
4322 if (appData.autoRaiseBoard) BoardToTop();
4324 if (gamenum == -1) {
4325 newGameMode = IcsIdle;
4326 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4327 appData.getMoveList && !reqFlag) {
4328 /* Need to get game history */
4329 ics_getting_history = H_REQUESTED;
4330 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4334 /* Initially flip the board to have black on the bottom if playing
4335 black or if the ICS flip flag is set, but let the user change
4336 it with the Flip View button. */
4337 flipView = appData.autoFlipView ?
4338 (newGameMode == IcsPlayingBlack) || ics_flip :
4341 /* Done with values from previous mode; copy in new ones */
4342 gameMode = newGameMode;
4344 ics_gamenum = gamenum;
4345 if (gamenum == gs_gamenum) {
4346 int klen = strlen(gs_kind);
4347 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4348 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4349 gameInfo.event = StrSave(str);
4351 gameInfo.event = StrSave("ICS game");
4353 gameInfo.site = StrSave(appData.icsHost);
4354 gameInfo.date = PGNDate();
4355 gameInfo.round = StrSave("-");
4356 gameInfo.white = StrSave(white);
4357 gameInfo.black = StrSave(black);
4358 timeControl = basetime * 60 * 1000;
4360 timeIncrement = increment * 1000;
4361 movesPerSession = 0;
4362 gameInfo.timeControl = TimeControlTagValue();
4363 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4364 if (appData.debugMode) {
4365 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4366 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4367 setbuf(debugFP, NULL);
4370 gameInfo.outOfBook = NULL;
4372 /* Do we have the ratings? */
4373 if (strcmp(player1Name, white) == 0 &&
4374 strcmp(player2Name, black) == 0) {
4375 if (appData.debugMode)
4376 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4377 player1Rating, player2Rating);
4378 gameInfo.whiteRating = player1Rating;
4379 gameInfo.blackRating = player2Rating;
4380 } else if (strcmp(player2Name, white) == 0 &&
4381 strcmp(player1Name, black) == 0) {
4382 if (appData.debugMode)
4383 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4384 player2Rating, player1Rating);
4385 gameInfo.whiteRating = player2Rating;
4386 gameInfo.blackRating = player1Rating;
4388 player1Name[0] = player2Name[0] = NULLCHAR;
4390 /* Silence shouts if requested */
4391 if (appData.quietPlay &&
4392 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4393 SendToICS(ics_prefix);
4394 SendToICS("set shout 0\n");
4398 /* Deal with midgame name changes */
4400 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4401 if (gameInfo.white) free(gameInfo.white);
4402 gameInfo.white = StrSave(white);
4404 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4405 if (gameInfo.black) free(gameInfo.black);
4406 gameInfo.black = StrSave(black);
4410 /* Throw away game result if anything actually changes in examine mode */
4411 if (gameMode == IcsExamining && !newGame) {
4412 gameInfo.result = GameUnfinished;
4413 if (gameInfo.resultDetails != NULL) {
4414 free(gameInfo.resultDetails);
4415 gameInfo.resultDetails = NULL;
4419 /* In pausing && IcsExamining mode, we ignore boards coming
4420 in if they are in a different variation than we are. */
4421 if (pauseExamInvalid) return;
4422 if (pausing && gameMode == IcsExamining) {
4423 if (moveNum <= pauseExamForwardMostMove) {
4424 pauseExamInvalid = TRUE;
4425 forwardMostMove = pauseExamForwardMostMove;
4430 if (appData.debugMode) {
4431 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4433 /* Parse the board */
4434 for (k = 0; k < ranks; k++) {
4435 for (j = 0; j < files; j++)
4436 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4437 if(gameInfo.holdingsWidth > 1) {
4438 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4439 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4442 CopyBoard(boards[moveNum], board);
4443 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4445 startedFromSetupPosition =
4446 !CompareBoards(board, initialPosition);
4447 if(startedFromSetupPosition)
4448 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4451 /* [HGM] Set castling rights. Take the outermost Rooks,
4452 to make it also work for FRC opening positions. Note that board12
4453 is really defective for later FRC positions, as it has no way to
4454 indicate which Rook can castle if they are on the same side of King.
4455 For the initial position we grant rights to the outermost Rooks,
4456 and remember thos rights, and we then copy them on positions
4457 later in an FRC game. This means WB might not recognize castlings with
4458 Rooks that have moved back to their original position as illegal,
4459 but in ICS mode that is not its job anyway.
4461 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4462 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4464 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4465 if(board[0][i] == WhiteRook) j = i;
4466 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4467 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4468 if(board[0][i] == WhiteRook) j = i;
4469 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4470 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4471 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4472 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4473 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4474 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4475 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4477 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4478 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4479 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4480 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4481 if(board[BOARD_HEIGHT-1][k] == bKing)
4482 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4483 if(gameInfo.variant == VariantTwoKings) {
4484 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4485 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4486 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4489 r = boards[moveNum][CASTLING][0] = initialRights[0];
4490 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4491 r = boards[moveNum][CASTLING][1] = initialRights[1];
4492 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4493 r = boards[moveNum][CASTLING][3] = initialRights[3];
4494 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4495 r = boards[moveNum][CASTLING][4] = initialRights[4];
4496 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4497 /* wildcastle kludge: always assume King has rights */
4498 r = boards[moveNum][CASTLING][2] = initialRights[2];
4499 r = boards[moveNum][CASTLING][5] = initialRights[5];
4501 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4502 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4505 if (ics_getting_history == H_GOT_REQ_HEADER ||
4506 ics_getting_history == H_GOT_UNREQ_HEADER) {
4507 /* This was an initial position from a move list, not
4508 the current position */
4512 /* Update currentMove and known move number limits */
4513 newMove = newGame || moveNum > forwardMostMove;
4516 forwardMostMove = backwardMostMove = currentMove = moveNum;
4517 if (gameMode == IcsExamining && moveNum == 0) {
4518 /* Workaround for ICS limitation: we are not told the wild
4519 type when starting to examine a game. But if we ask for
4520 the move list, the move list header will tell us */
4521 ics_getting_history = H_REQUESTED;
4522 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4525 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4526 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4528 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4529 /* [HGM] applied this also to an engine that is silently watching */
4530 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4531 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4532 gameInfo.variant == currentlyInitializedVariant) {
4533 takeback = forwardMostMove - moveNum;
4534 for (i = 0; i < takeback; i++) {
4535 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4536 SendToProgram("undo\n", &first);
4541 forwardMostMove = moveNum;
4542 if (!pausing || currentMove > forwardMostMove)
4543 currentMove = forwardMostMove;
4545 /* New part of history that is not contiguous with old part */
4546 if (pausing && gameMode == IcsExamining) {
4547 pauseExamInvalid = TRUE;
4548 forwardMostMove = pauseExamForwardMostMove;
4551 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4553 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4554 // [HGM] when we will receive the move list we now request, it will be
4555 // fed to the engine from the first move on. So if the engine is not
4556 // in the initial position now, bring it there.
4557 InitChessProgram(&first, 0);
4560 ics_getting_history = H_REQUESTED;
4561 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4564 forwardMostMove = backwardMostMove = currentMove = moveNum;
4567 /* Update the clocks */
4568 if (strchr(elapsed_time, '.')) {
4570 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4571 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4573 /* Time is in seconds */
4574 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4575 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4580 if (appData.zippyPlay && newGame &&
4581 gameMode != IcsObserving && gameMode != IcsIdle &&
4582 gameMode != IcsExamining)
4583 ZippyFirstBoard(moveNum, basetime, increment);
4586 /* Put the move on the move list, first converting
4587 to canonical algebraic form. */
4589 if (appData.debugMode) {
4590 if (appData.debugMode) { int f = forwardMostMove;
4591 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4592 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4593 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4595 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4596 fprintf(debugFP, "moveNum = %d\n", moveNum);
4597 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4598 setbuf(debugFP, NULL);
4600 if (moveNum <= backwardMostMove) {
4601 /* We don't know what the board looked like before
4603 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4604 strcat(parseList[moveNum - 1], " ");
4605 strcat(parseList[moveNum - 1], elapsed_time);
4606 moveList[moveNum - 1][0] = NULLCHAR;
4607 } else if (strcmp(move_str, "none") == 0) {
4608 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4609 /* Again, we don't know what the board looked like;
4610 this is really the start of the game. */
4611 parseList[moveNum - 1][0] = NULLCHAR;
4612 moveList[moveNum - 1][0] = NULLCHAR;
4613 backwardMostMove = moveNum;
4614 startedFromSetupPosition = TRUE;
4615 fromX = fromY = toX = toY = -1;
4617 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4618 // So we parse the long-algebraic move string in stead of the SAN move
4619 int valid; char buf[MSG_SIZ], *prom;
4621 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4622 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4623 // str looks something like "Q/a1-a2"; kill the slash
4625 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4626 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4627 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4628 strcat(buf, prom); // long move lacks promo specification!
4629 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4630 if(appData.debugMode)
4631 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4632 safeStrCpy(move_str, buf, MSG_SIZ);
4634 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4635 &fromX, &fromY, &toX, &toY, &promoChar)
4636 || ParseOneMove(buf, moveNum - 1, &moveType,
4637 &fromX, &fromY, &toX, &toY, &promoChar);
4638 // end of long SAN patch
4640 (void) CoordsToAlgebraic(boards[moveNum - 1],
4641 PosFlags(moveNum - 1),
4642 fromY, fromX, toY, toX, promoChar,
4643 parseList[moveNum-1]);
4644 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4650 if(gameInfo.variant != VariantShogi)
4651 strcat(parseList[moveNum - 1], "+");
4654 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4655 strcat(parseList[moveNum - 1], "#");
4658 strcat(parseList[moveNum - 1], " ");
4659 strcat(parseList[moveNum - 1], elapsed_time);
4660 /* currentMoveString is set as a side-effect of ParseOneMove */
4661 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4662 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4663 strcat(moveList[moveNum - 1], "\n");
4665 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4666 && gameInfo.variant != VariantGrand) // inherit info that ICS does not give from previous board
4667 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4668 ChessSquare old, new = boards[moveNum][k][j];
4669 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4670 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4671 if(old == new) continue;
4672 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4673 else if(new == WhiteWazir || new == BlackWazir) {
4674 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4675 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4676 else boards[moveNum][k][j] = old; // preserve type of Gold
4677 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4678 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4681 /* Move from ICS was illegal!? Punt. */
4682 if (appData.debugMode) {
4683 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4684 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4686 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4687 strcat(parseList[moveNum - 1], " ");
4688 strcat(parseList[moveNum - 1], elapsed_time);
4689 moveList[moveNum - 1][0] = NULLCHAR;
4690 fromX = fromY = toX = toY = -1;
4693 if (appData.debugMode) {
4694 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4695 setbuf(debugFP, NULL);
4699 /* Send move to chess program (BEFORE animating it). */
4700 if (appData.zippyPlay && !newGame && newMove &&
4701 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4703 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4704 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4705 if (moveList[moveNum - 1][0] == NULLCHAR) {
4706 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4708 DisplayError(str, 0);
4710 if (first.sendTime) {
4711 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4713 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4714 if (firstMove && !bookHit) {
4716 if (first.useColors) {
4717 SendToProgram(gameMode == IcsPlayingWhite ?
4719 "black\ngo\n", &first);
4721 SendToProgram("go\n", &first);
4723 first.maybeThinking = TRUE;
4726 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4727 if (moveList[moveNum - 1][0] == NULLCHAR) {
4728 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4729 DisplayError(str, 0);
4731 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4732 SendMoveToProgram(moveNum - 1, &first);
4739 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4740 /* If move comes from a remote source, animate it. If it
4741 isn't remote, it will have already been animated. */
4742 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4743 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4745 if (!pausing && appData.highlightLastMove) {
4746 SetHighlights(fromX, fromY, toX, toY);
4750 /* Start the clocks */
4751 whiteFlag = blackFlag = FALSE;
4752 appData.clockMode = !(basetime == 0 && increment == 0);
4754 ics_clock_paused = TRUE;
4756 } else if (ticking == 1) {
4757 ics_clock_paused = FALSE;
4759 if (gameMode == IcsIdle ||
4760 relation == RELATION_OBSERVING_STATIC ||
4761 relation == RELATION_EXAMINING ||
4763 DisplayBothClocks();
4767 /* Display opponents and material strengths */
4768 if (gameInfo.variant != VariantBughouse &&
4769 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4770 if (tinyLayout || smallLayout) {
4771 if(gameInfo.variant == VariantNormal)
4772 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4773 gameInfo.white, white_stren, gameInfo.black, black_stren,
4774 basetime, increment);
4776 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4777 gameInfo.white, white_stren, gameInfo.black, black_stren,
4778 basetime, increment, (int) gameInfo.variant);
4780 if(gameInfo.variant == VariantNormal)
4781 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d}",
4782 gameInfo.white, white_stren, gameInfo.black, black_stren,
4783 basetime, increment);
4785 snprintf(str, MSG_SIZ, "%s (%d) vs. %s (%d) {%d %d %s}",
4786 gameInfo.white, white_stren, gameInfo.black, black_stren,
4787 basetime, increment, VariantName(gameInfo.variant));
4790 if (appData.debugMode) {
4791 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4796 /* Display the board */
4797 if (!pausing && !appData.noGUI) {
4799 if (appData.premove)
4801 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4802 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4803 ClearPremoveHighlights();
4805 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4806 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4807 DrawPosition(j, boards[currentMove]);
4809 DisplayMove(moveNum - 1);
4810 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4811 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4812 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4813 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4817 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4819 if(bookHit) { // [HGM] book: simulate book reply
4820 static char bookMove[MSG_SIZ]; // a bit generous?
4822 programStats.nodes = programStats.depth = programStats.time =
4823 programStats.score = programStats.got_only_move = 0;
4824 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4826 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4827 strcat(bookMove, bookHit);
4828 HandleMachineMove(bookMove, &first);
4837 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4838 ics_getting_history = H_REQUESTED;
4839 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4845 AnalysisPeriodicEvent(force)
4848 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4849 && !force) || !appData.periodicUpdates)
4852 /* Send . command to Crafty to collect stats */
4853 SendToProgram(".\n", &first);
4855 /* Don't send another until we get a response (this makes
4856 us stop sending to old Crafty's which don't understand
4857 the "." command (sending illegal cmds resets node count & time,
4858 which looks bad)) */
4859 programStats.ok_to_send = 0;
4862 void ics_update_width(new_width)
4865 ics_printf("set width %d\n", new_width);
4869 SendMoveToProgram(moveNum, cps)
4871 ChessProgramState *cps;
4875 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4876 // null move in variant where engine does not understand it (for analysis purposes)
4877 SendBoard(cps, moveNum + 1); // send position after move in stead.
4880 if (cps->useUsermove) {
4881 SendToProgram("usermove ", cps);
4885 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4886 int len = space - parseList[moveNum];
4887 memcpy(buf, parseList[moveNum], len);
4889 buf[len] = NULLCHAR;
4891 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4893 SendToProgram(buf, cps);
4895 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4896 AlphaRank(moveList[moveNum], 4);
4897 SendToProgram(moveList[moveNum], cps);
4898 AlphaRank(moveList[moveNum], 4); // and back
4900 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4901 * the engine. It would be nice to have a better way to identify castle
4903 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4904 && cps->useOOCastle) {
4905 int fromX = moveList[moveNum][0] - AAA;
4906 int fromY = moveList[moveNum][1] - ONE;
4907 int toX = moveList[moveNum][2] - AAA;
4908 int toY = moveList[moveNum][3] - ONE;
4909 if((boards[moveNum][fromY][fromX] == WhiteKing
4910 && boards[moveNum][toY][toX] == WhiteRook)
4911 || (boards[moveNum][fromY][fromX] == BlackKing
4912 && boards[moveNum][toY][toX] == BlackRook)) {
4913 if(toX > fromX) SendToProgram("O-O\n", cps);
4914 else SendToProgram("O-O-O\n", cps);
4916 else SendToProgram(moveList[moveNum], cps);
4918 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4919 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4920 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4921 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4922 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4924 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4925 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4926 SendToProgram(buf, cps);
4928 else SendToProgram(moveList[moveNum], cps);
4929 /* End of additions by Tord */
4932 /* [HGM] setting up the opening has brought engine in force mode! */
4933 /* Send 'go' if we are in a mode where machine should play. */
4934 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4935 (gameMode == TwoMachinesPlay ||
4937 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4939 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4940 SendToProgram("go\n", cps);
4941 if (appData.debugMode) {
4942 fprintf(debugFP, "(extra)\n");
4945 setboardSpoiledMachineBlack = 0;
4949 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar)
4951 int fromX, fromY, toX, toY;
4954 char user_move[MSG_SIZ];
4958 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4959 (int)moveType, fromX, fromY, toX, toY);
4960 DisplayError(user_move + strlen("say "), 0);
4962 case WhiteKingSideCastle:
4963 case BlackKingSideCastle:
4964 case WhiteQueenSideCastleWild:
4965 case BlackQueenSideCastleWild:
4967 case WhiteHSideCastleFR:
4968 case BlackHSideCastleFR:
4970 snprintf(user_move, MSG_SIZ, "o-o\n");
4972 case WhiteQueenSideCastle:
4973 case BlackQueenSideCastle:
4974 case WhiteKingSideCastleWild:
4975 case BlackKingSideCastleWild:
4977 case WhiteASideCastleFR:
4978 case BlackASideCastleFR:
4980 snprintf(user_move, MSG_SIZ, "o-o-o\n");
4982 case WhiteNonPromotion:
4983 case BlackNonPromotion:
4984 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4986 case WhitePromotion:
4987 case BlackPromotion:
4988 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4989 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4990 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4991 PieceToChar(WhiteFerz));
4992 else if(gameInfo.variant == VariantGreat)
4993 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4994 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4995 PieceToChar(WhiteMan));
4997 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4998 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5004 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5005 ToUpper(PieceToChar((ChessSquare) fromX)),
5006 AAA + toX, ONE + toY);
5008 case IllegalMove: /* could be a variant we don't quite understand */
5009 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5011 case WhiteCapturesEnPassant:
5012 case BlackCapturesEnPassant:
5013 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5014 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5017 SendToICS(user_move);
5018 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5019 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5024 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5025 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5026 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5027 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5028 DisplayError("You cannot do this while you are playing or observing", 0);
5031 if(gameMode != IcsExamining) { // is this ever not the case?
5032 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5034 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5035 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5036 } else { // on FICS we must first go to general examine mode
5037 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5039 if(gameInfo.variant != VariantNormal) {
5040 // try figure out wild number, as xboard names are not always valid on ICS
5041 for(i=1; i<=36; i++) {
5042 snprintf(buf, MSG_SIZ, "wild/%d", i);
5043 if(StringToVariant(buf) == gameInfo.variant) break;
5045 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5046 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5047 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5048 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5049 SendToICS(ics_prefix);
5051 if(startedFromSetupPosition || backwardMostMove != 0) {
5052 fen = PositionToFEN(backwardMostMove, NULL);
5053 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5054 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5056 } else { // FICS: everything has to set by separate bsetup commands
5057 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5058 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5060 if(!WhiteOnMove(backwardMostMove)) {
5061 SendToICS("bsetup tomove black\n");
5063 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5064 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5066 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5067 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5069 i = boards[backwardMostMove][EP_STATUS];
5070 if(i >= 0) { // set e.p.
5071 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5077 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5078 SendToICS("bsetup done\n"); // switch to normal examining.
5080 for(i = backwardMostMove; i<last; i++) {
5082 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5085 SendToICS(ics_prefix);
5086 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5090 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5095 if (rf == DROP_RANK) {
5096 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5097 sprintf(move, "%c@%c%c\n",
5098 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5100 if (promoChar == 'x' || promoChar == NULLCHAR) {
5101 sprintf(move, "%c%c%c%c\n",
5102 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5104 sprintf(move, "%c%c%c%c%c\n",
5105 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5111 ProcessICSInitScript(f)
5116 while (fgets(buf, MSG_SIZ, f)) {
5117 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5124 static int lastX, lastY, selectFlag, dragging;
5129 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5130 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5131 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5132 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5133 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5134 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5137 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5138 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5139 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5140 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5141 if(!step) step = -1;
5142 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5143 appData.testLegality && (promoSweep == king ||
5144 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5145 ChangeDragPiece(promoSweep);
5148 int PromoScroll(int x, int y)
5152 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5153 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5154 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5155 if(!step) return FALSE;
5156 lastX = x; lastY = y;
5157 if((promoSweep < BlackPawn) == flipView) step = -step;
5158 if(step > 0) selectFlag = 1;
5159 if(!selectFlag) Sweep(step);
5166 ChessSquare piece = boards[currentMove][toY][toX];
5169 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5170 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5171 if(!step) step = -1;
5172 } while(PieceToChar(pieceSweep) == '.');
5173 boards[currentMove][toY][toX] = pieceSweep;
5174 DrawPosition(FALSE, boards[currentMove]);
5175 boards[currentMove][toY][toX] = piece;
5177 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5179 AlphaRank(char *move, int n)
5181 // char *p = move, c; int x, y;
5183 if (appData.debugMode) {
5184 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5188 move[2]>='0' && move[2]<='9' &&
5189 move[3]>='a' && move[3]<='x' ) {
5191 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5192 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5194 if(move[0]>='0' && move[0]<='9' &&
5195 move[1]>='a' && move[1]<='x' &&
5196 move[2]>='0' && move[2]<='9' &&
5197 move[3]>='a' && move[3]<='x' ) {
5198 /* input move, Shogi -> normal */
5199 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5200 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5201 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5202 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5205 move[3]>='0' && move[3]<='9' &&
5206 move[2]>='a' && move[2]<='x' ) {
5208 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5209 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5212 move[0]>='a' && move[0]<='x' &&
5213 move[3]>='0' && move[3]<='9' &&
5214 move[2]>='a' && move[2]<='x' ) {
5215 /* output move, normal -> Shogi */
5216 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5217 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5218 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5219 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5220 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5222 if (appData.debugMode) {
5223 fprintf(debugFP, " out = '%s'\n", move);
5227 char yy_textstr[8000];
5229 /* Parser for moves from gnuchess, ICS, or user typein box */
5231 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5234 ChessMove *moveType;
5235 int *fromX, *fromY, *toX, *toY;
5238 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5240 switch (*moveType) {
5241 case WhitePromotion:
5242 case BlackPromotion:
5243 case WhiteNonPromotion:
5244 case BlackNonPromotion:
5246 case WhiteCapturesEnPassant:
5247 case BlackCapturesEnPassant:
5248 case WhiteKingSideCastle:
5249 case WhiteQueenSideCastle:
5250 case BlackKingSideCastle:
5251 case BlackQueenSideCastle:
5252 case WhiteKingSideCastleWild:
5253 case WhiteQueenSideCastleWild:
5254 case BlackKingSideCastleWild:
5255 case BlackQueenSideCastleWild:
5256 /* Code added by Tord: */
5257 case WhiteHSideCastleFR:
5258 case WhiteASideCastleFR:
5259 case BlackHSideCastleFR:
5260 case BlackASideCastleFR:
5261 /* End of code added by Tord */
5262 case IllegalMove: /* bug or odd chess variant */
5263 *fromX = currentMoveString[0] - AAA;
5264 *fromY = currentMoveString[1] - ONE;
5265 *toX = currentMoveString[2] - AAA;
5266 *toY = currentMoveString[3] - ONE;
5267 *promoChar = currentMoveString[4];
5268 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5269 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5270 if (appData.debugMode) {
5271 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5273 *fromX = *fromY = *toX = *toY = 0;
5276 if (appData.testLegality) {
5277 return (*moveType != IllegalMove);
5279 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5280 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5285 *fromX = *moveType == WhiteDrop ?
5286 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5287 (int) CharToPiece(ToLower(currentMoveString[0]));
5289 *toX = currentMoveString[2] - AAA;
5290 *toY = currentMoveString[3] - ONE;
5291 *promoChar = NULLCHAR;
5295 case ImpossibleMove:
5305 if (appData.debugMode) {
5306 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5309 *fromX = *fromY = *toX = *toY = 0;
5310 *promoChar = NULLCHAR;
5315 Boolean pushed = FALSE;
5316 char *lastParseAttempt;
5319 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5320 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5321 int fromX, fromY, toX, toY; char promoChar;
5326 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5327 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5330 endPV = forwardMostMove;
5332 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5333 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5334 lastParseAttempt = pv;
5335 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5336 if(appData.debugMode){
5337 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);
5339 if(!valid && nr == 0 &&
5340 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5341 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5342 // Hande case where played move is different from leading PV move
5343 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5344 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5345 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5346 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5347 endPV += 2; // if position different, keep this
5348 moveList[endPV-1][0] = fromX + AAA;
5349 moveList[endPV-1][1] = fromY + ONE;
5350 moveList[endPV-1][2] = toX + AAA;
5351 moveList[endPV-1][3] = toY + ONE;
5352 parseList[endPV-1][0] = NULLCHAR;
5353 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5356 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5357 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5358 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5359 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5360 valid++; // allow comments in PV
5364 if(endPV+1 > framePtr) break; // no space, truncate
5367 CopyBoard(boards[endPV], boards[endPV-1]);
5368 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5369 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5370 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5371 CoordsToAlgebraic(boards[endPV - 1],
5372 PosFlags(endPV - 1),
5373 fromY, fromX, toY, toX, promoChar,
5374 parseList[endPV - 1]);
5376 if(atEnd == 2) return; // used hidden, for PV conversion
5377 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5378 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5379 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5380 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5381 DrawPosition(TRUE, boards[currentMove]);
5385 MultiPV(ChessProgramState *cps)
5386 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5388 for(i=0; i<cps->nrOptions; i++)
5389 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5395 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5397 int startPV, multi, lineStart, origIndex = index;
5398 char *p, buf2[MSG_SIZ];
5400 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5401 lastX = x; lastY = y;
5402 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5403 lineStart = startPV = index;
5404 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5405 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5407 do{ while(buf[index] && buf[index] != '\n') index++;
5408 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5410 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5411 int n = first.option[multi].value;
5412 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5413 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5414 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5415 first.option[multi].value = n;
5419 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5420 *start = startPV; *end = index-1;
5427 static char buf[10*MSG_SIZ];
5428 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5430 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5431 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5432 for(i = forwardMostMove; i<endPV; i++){
5433 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5434 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5437 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5438 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5444 LoadPV(int x, int y)
5445 { // called on right mouse click to load PV
5446 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5447 lastX = x; lastY = y;
5448 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5455 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5456 if(endPV < 0) return;
5458 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5459 Boolean saveAnimate = appData.animate;
5461 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5462 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5463 } else storedGames--; // abandon shelved tail of original game
5466 forwardMostMove = currentMove;
5467 currentMove = oldFMM;
5468 appData.animate = FALSE;
5469 ToNrEvent(forwardMostMove);
5470 appData.animate = saveAnimate;
5472 currentMove = forwardMostMove;
5473 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5474 ClearPremoveHighlights();
5475 DrawPosition(TRUE, boards[currentMove]);
5479 MovePV(int x, int y, int h)
5480 { // step through PV based on mouse coordinates (called on mouse move)
5481 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5483 // we must somehow check if right button is still down (might be released off board!)
5484 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5485 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5486 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5488 lastX = x; lastY = y;
5490 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5491 if(endPV < 0) return;
5492 if(y < margin) step = 1; else
5493 if(y > h - margin) step = -1;
5494 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5495 currentMove += step;
5496 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5497 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5498 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5499 DrawPosition(FALSE, boards[currentMove]);
5503 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5504 // All positions will have equal probability, but the current method will not provide a unique
5505 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5511 int piecesLeft[(int)BlackPawn];
5512 int seed, nrOfShuffles;
5514 void GetPositionNumber()
5515 { // sets global variable seed
5518 seed = appData.defaultFrcPosition;
5519 if(seed < 0) { // randomize based on time for negative FRC position numbers
5520 for(i=0; i<50; i++) seed += random();
5521 seed = random() ^ random() >> 8 ^ random() << 8;
5522 if(seed<0) seed = -seed;
5526 int put(Board board, int pieceType, int rank, int n, int shade)
5527 // put the piece on the (n-1)-th empty squares of the given shade
5531 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5532 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5533 board[rank][i] = (ChessSquare) pieceType;
5534 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5536 piecesLeft[pieceType]--;
5544 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5545 // calculate where the next piece goes, (any empty square), and put it there
5549 i = seed % squaresLeft[shade];
5550 nrOfShuffles *= squaresLeft[shade];
5551 seed /= squaresLeft[shade];
5552 put(board, pieceType, rank, i, shade);
5555 void AddTwoPieces(Board board, int pieceType, int rank)
5556 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5558 int i, n=squaresLeft[ANY], j=n-1, k;
5560 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5561 i = seed % k; // pick one
5564 while(i >= j) i -= j--;
5565 j = n - 1 - j; i += j;
5566 put(board, pieceType, rank, j, ANY);
5567 put(board, pieceType, rank, i, ANY);
5570 void SetUpShuffle(Board board, int number)
5574 GetPositionNumber(); nrOfShuffles = 1;
5576 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5577 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5578 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5580 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5582 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5583 p = (int) board[0][i];
5584 if(p < (int) BlackPawn) piecesLeft[p] ++;
5585 board[0][i] = EmptySquare;
5588 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5589 // shuffles restricted to allow normal castling put KRR first
5590 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5591 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5592 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5593 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5594 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5595 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5596 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5597 put(board, WhiteRook, 0, 0, ANY);
5598 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5601 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5602 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5603 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5604 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5605 while(piecesLeft[p] >= 2) {
5606 AddOnePiece(board, p, 0, LITE);
5607 AddOnePiece(board, p, 0, DARK);
5609 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5612 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5613 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5614 // but we leave King and Rooks for last, to possibly obey FRC restriction
5615 if(p == (int)WhiteRook) continue;
5616 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5617 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5620 // now everything is placed, except perhaps King (Unicorn) and Rooks
5622 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5623 // Last King gets castling rights
5624 while(piecesLeft[(int)WhiteUnicorn]) {
5625 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5626 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5629 while(piecesLeft[(int)WhiteKing]) {
5630 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5631 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5636 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5637 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5640 // Only Rooks can be left; simply place them all
5641 while(piecesLeft[(int)WhiteRook]) {
5642 i = put(board, WhiteRook, 0, 0, ANY);
5643 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5646 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5648 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5651 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5652 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5655 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5658 int SetCharTable( char *table, const char * map )
5659 /* [HGM] moved here from winboard.c because of its general usefulness */
5660 /* Basically a safe strcpy that uses the last character as King */
5662 int result = FALSE; int NrPieces;
5664 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5665 && NrPieces >= 12 && !(NrPieces&1)) {
5666 int i; /* [HGM] Accept even length from 12 to 34 */
5668 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5669 for( i=0; i<NrPieces/2-1; i++ ) {
5671 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5673 table[(int) WhiteKing] = map[NrPieces/2-1];
5674 table[(int) BlackKing] = map[NrPieces-1];
5682 void Prelude(Board board)
5683 { // [HGM] superchess: random selection of exo-pieces
5684 int i, j, k; ChessSquare p;
5685 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5687 GetPositionNumber(); // use FRC position number
5689 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5690 SetCharTable(pieceToChar, appData.pieceToCharTable);
5691 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5692 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5695 j = seed%4; seed /= 4;
5696 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5697 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5698 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5699 j = seed%3 + (seed%3 >= j); seed /= 3;
5700 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5701 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5702 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5703 j = seed%3; seed /= 3;
5704 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5705 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5706 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5707 j = seed%2 + (seed%2 >= j); seed /= 2;
5708 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5709 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5710 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5711 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5712 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5713 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5714 put(board, exoPieces[0], 0, 0, ANY);
5715 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5719 InitPosition(redraw)
5722 ChessSquare (* pieces)[BOARD_FILES];
5723 int i, j, pawnRow, overrule,
5724 oldx = gameInfo.boardWidth,
5725 oldy = gameInfo.boardHeight,
5726 oldh = gameInfo.holdingsWidth;
5729 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5731 /* [AS] Initialize pv info list [HGM] and game status */
5733 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5734 pvInfoList[i].depth = 0;
5735 boards[i][EP_STATUS] = EP_NONE;
5736 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5739 initialRulePlies = 0; /* 50-move counter start */
5741 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5742 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5746 /* [HGM] logic here is completely changed. In stead of full positions */
5747 /* the initialized data only consist of the two backranks. The switch */
5748 /* selects which one we will use, which is than copied to the Board */
5749 /* initialPosition, which for the rest is initialized by Pawns and */
5750 /* empty squares. This initial position is then copied to boards[0], */
5751 /* possibly after shuffling, so that it remains available. */
5753 gameInfo.holdingsWidth = 0; /* default board sizes */
5754 gameInfo.boardWidth = 8;
5755 gameInfo.boardHeight = 8;
5756 gameInfo.holdingsSize = 0;
5757 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5758 for(i=0; i<BOARD_FILES-2; i++)
5759 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5760 initialPosition[EP_STATUS] = EP_NONE;
5761 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5762 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5763 SetCharTable(pieceNickName, appData.pieceNickNames);
5764 else SetCharTable(pieceNickName, "............");
5767 switch (gameInfo.variant) {
5768 case VariantFischeRandom:
5769 shuffleOpenings = TRUE;
5772 case VariantShatranj:
5773 pieces = ShatranjArray;
5774 nrCastlingRights = 0;
5775 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5778 pieces = makrukArray;
5779 nrCastlingRights = 0;
5780 startedFromSetupPosition = TRUE;
5781 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5783 case VariantTwoKings:
5784 pieces = twoKingsArray;
5787 pieces = GrandArray;
5788 nrCastlingRights = 0;
5789 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5790 gameInfo.boardWidth = 10;
5791 gameInfo.boardHeight = 10;
5792 gameInfo.holdingsSize = 7;
5794 case VariantCapaRandom:
5795 shuffleOpenings = TRUE;
5796 case VariantCapablanca:
5797 pieces = CapablancaArray;
5798 gameInfo.boardWidth = 10;
5799 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5802 pieces = GothicArray;
5803 gameInfo.boardWidth = 10;
5804 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5807 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5808 gameInfo.holdingsSize = 7;
5811 pieces = JanusArray;
5812 gameInfo.boardWidth = 10;
5813 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5814 nrCastlingRights = 6;
5815 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5816 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5817 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5818 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5819 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5820 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5823 pieces = FalconArray;
5824 gameInfo.boardWidth = 10;
5825 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5827 case VariantXiangqi:
5828 pieces = XiangqiArray;
5829 gameInfo.boardWidth = 9;
5830 gameInfo.boardHeight = 10;
5831 nrCastlingRights = 0;
5832 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5835 pieces = ShogiArray;
5836 gameInfo.boardWidth = 9;
5837 gameInfo.boardHeight = 9;
5838 gameInfo.holdingsSize = 7;
5839 nrCastlingRights = 0;
5840 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5842 case VariantCourier:
5843 pieces = CourierArray;
5844 gameInfo.boardWidth = 12;
5845 nrCastlingRights = 0;
5846 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5848 case VariantKnightmate:
5849 pieces = KnightmateArray;
5850 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5852 case VariantSpartan:
5853 pieces = SpartanArray;
5854 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5857 pieces = fairyArray;
5858 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5861 pieces = GreatArray;
5862 gameInfo.boardWidth = 10;
5863 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5864 gameInfo.holdingsSize = 8;
5868 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5869 gameInfo.holdingsSize = 8;
5870 startedFromSetupPosition = TRUE;
5872 case VariantCrazyhouse:
5873 case VariantBughouse:
5875 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5876 gameInfo.holdingsSize = 5;
5878 case VariantWildCastle:
5880 /* !!?shuffle with kings guaranteed to be on d or e file */
5881 shuffleOpenings = 1;
5883 case VariantNoCastle:
5885 nrCastlingRights = 0;
5886 /* !!?unconstrained back-rank shuffle */
5887 shuffleOpenings = 1;
5892 if(appData.NrFiles >= 0) {
5893 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5894 gameInfo.boardWidth = appData.NrFiles;
5896 if(appData.NrRanks >= 0) {
5897 gameInfo.boardHeight = appData.NrRanks;
5899 if(appData.holdingsSize >= 0) {
5900 i = appData.holdingsSize;
5901 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5902 gameInfo.holdingsSize = i;
5904 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5905 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5906 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5908 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5909 if(pawnRow < 1) pawnRow = 1;
5910 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5912 /* User pieceToChar list overrules defaults */
5913 if(appData.pieceToCharTable != NULL)
5914 SetCharTable(pieceToChar, appData.pieceToCharTable);
5916 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5918 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5919 s = (ChessSquare) 0; /* account holding counts in guard band */
5920 for( i=0; i<BOARD_HEIGHT; i++ )
5921 initialPosition[i][j] = s;
5923 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5924 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5925 initialPosition[pawnRow][j] = WhitePawn;
5926 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5927 if(gameInfo.variant == VariantXiangqi) {
5929 initialPosition[pawnRow][j] =
5930 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5931 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5932 initialPosition[2][j] = WhiteCannon;
5933 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5937 if(gameInfo.variant == VariantGrand) {
5938 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5939 initialPosition[0][j] = WhiteRook;
5940 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5943 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5945 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5948 initialPosition[1][j] = WhiteBishop;
5949 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5951 initialPosition[1][j] = WhiteRook;
5952 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5955 if( nrCastlingRights == -1) {
5956 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5957 /* This sets default castling rights from none to normal corners */
5958 /* Variants with other castling rights must set them themselves above */
5959 nrCastlingRights = 6;
5961 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5962 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5963 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5964 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5965 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5966 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5969 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5970 if(gameInfo.variant == VariantGreat) { // promotion commoners
5971 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5972 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5973 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5974 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5976 if( gameInfo.variant == VariantSChess ) {
5977 initialPosition[1][0] = BlackMarshall;
5978 initialPosition[2][0] = BlackAngel;
5979 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5980 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5981 initialPosition[1][1] = initialPosition[2][1] =
5982 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5984 if (appData.debugMode) {
5985 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5987 if(shuffleOpenings) {
5988 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5989 startedFromSetupPosition = TRUE;
5991 if(startedFromPositionFile) {
5992 /* [HGM] loadPos: use PositionFile for every new game */
5993 CopyBoard(initialPosition, filePosition);
5994 for(i=0; i<nrCastlingRights; i++)
5995 initialRights[i] = filePosition[CASTLING][i];
5996 startedFromSetupPosition = TRUE;
5999 CopyBoard(boards[0], initialPosition);
6001 if(oldx != gameInfo.boardWidth ||
6002 oldy != gameInfo.boardHeight ||
6003 oldv != gameInfo.variant ||
6004 oldh != gameInfo.holdingsWidth
6006 InitDrawingSizes(-2 ,0);
6008 oldv = gameInfo.variant;
6010 DrawPosition(TRUE, boards[currentMove]);
6014 SendBoard(cps, moveNum)
6015 ChessProgramState *cps;
6018 char message[MSG_SIZ];
6020 if (cps->useSetboard) {
6021 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6022 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6023 SendToProgram(message, cps);
6029 /* Kludge to set black to move, avoiding the troublesome and now
6030 * deprecated "black" command.
6032 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6033 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6035 SendToProgram("edit\n", cps);
6036 SendToProgram("#\n", cps);
6037 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6038 bp = &boards[moveNum][i][BOARD_LEFT];
6039 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6040 if ((int) *bp < (int) BlackPawn) {
6041 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6043 if(message[0] == '+' || message[0] == '~') {
6044 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6045 PieceToChar((ChessSquare)(DEMOTED *bp)),
6048 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6049 message[1] = BOARD_RGHT - 1 - j + '1';
6050 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6052 SendToProgram(message, cps);
6057 SendToProgram("c\n", cps);
6058 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6059 bp = &boards[moveNum][i][BOARD_LEFT];
6060 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6061 if (((int) *bp != (int) EmptySquare)
6062 && ((int) *bp >= (int) BlackPawn)) {
6063 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6065 if(message[0] == '+' || message[0] == '~') {
6066 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6067 PieceToChar((ChessSquare)(DEMOTED *bp)),
6070 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6071 message[1] = BOARD_RGHT - 1 - j + '1';
6072 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6074 SendToProgram(message, cps);
6079 SendToProgram(".\n", cps);
6081 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6085 DefaultPromoChoice(int white)
6088 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6089 result = WhiteFerz; // no choice
6090 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6091 result= WhiteKing; // in Suicide Q is the last thing we want
6092 else if(gameInfo.variant == VariantSpartan)
6093 result = white ? WhiteQueen : WhiteAngel;
6094 else result = WhiteQueen;
6095 if(!white) result = WHITE_TO_BLACK result;
6099 static int autoQueen; // [HGM] oneclick
6102 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6104 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6105 /* [HGM] add Shogi promotions */
6106 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6111 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6112 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6114 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6115 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6118 piece = boards[currentMove][fromY][fromX];
6119 if(gameInfo.variant == VariantShogi) {
6120 promotionZoneSize = BOARD_HEIGHT/3;
6121 highestPromotingPiece = (int)WhiteFerz;
6122 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6123 promotionZoneSize = 3;
6126 // Treat Lance as Pawn when it is not representing Amazon
6127 if(gameInfo.variant != VariantSuper) {
6128 if(piece == WhiteLance) piece = WhitePawn; else
6129 if(piece == BlackLance) piece = BlackPawn;
6132 // next weed out all moves that do not touch the promotion zone at all
6133 if((int)piece >= BlackPawn) {
6134 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6136 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6138 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6139 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6142 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6144 // weed out mandatory Shogi promotions
6145 if(gameInfo.variant == VariantShogi) {
6146 if(piece >= BlackPawn) {
6147 if(toY == 0 && piece == BlackPawn ||
6148 toY == 0 && piece == BlackQueen ||
6149 toY <= 1 && piece == BlackKnight) {
6154 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6155 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6156 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6163 // weed out obviously illegal Pawn moves
6164 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6165 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6166 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6167 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6168 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6169 // note we are not allowed to test for valid (non-)capture, due to premove
6172 // we either have a choice what to promote to, or (in Shogi) whether to promote
6173 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6174 *promoChoice = PieceToChar(BlackFerz); // no choice
6177 // no sense asking what we must promote to if it is going to explode...
6178 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6179 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6182 // give caller the default choice even if we will not make it
6183 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6184 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6185 if( sweepSelect && gameInfo.variant != VariantGreat
6186 && gameInfo.variant != VariantGrand
6187 && gameInfo.variant != VariantSuper) return FALSE;
6188 if(autoQueen) return FALSE; // predetermined
6190 // suppress promotion popup on illegal moves that are not premoves
6191 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6192 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6193 if(appData.testLegality && !premove) {
6194 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6195 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6196 if(moveType != WhitePromotion && moveType != BlackPromotion)
6204 InPalace(row, column)
6206 { /* [HGM] for Xiangqi */
6207 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6208 column < (BOARD_WIDTH + 4)/2 &&
6209 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6214 PieceForSquare (x, y)
6218 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6221 return boards[currentMove][y][x];
6225 OKToStartUserMove(x, y)
6228 ChessSquare from_piece;
6231 if (matchMode) return FALSE;
6232 if (gameMode == EditPosition) return TRUE;
6234 if (x >= 0 && y >= 0)
6235 from_piece = boards[currentMove][y][x];
6237 from_piece = EmptySquare;
6239 if (from_piece == EmptySquare) return FALSE;
6241 white_piece = (int)from_piece >= (int)WhitePawn &&
6242 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6246 case TwoMachinesPlay:
6254 case MachinePlaysWhite:
6255 case IcsPlayingBlack:
6256 if (appData.zippyPlay) return FALSE;
6258 DisplayMoveError(_("You are playing Black"));
6263 case MachinePlaysBlack:
6264 case IcsPlayingWhite:
6265 if (appData.zippyPlay) return FALSE;
6267 DisplayMoveError(_("You are playing White"));
6272 case PlayFromGameFile:
6273 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6275 if (!white_piece && WhiteOnMove(currentMove)) {
6276 DisplayMoveError(_("It is White's turn"));
6279 if (white_piece && !WhiteOnMove(currentMove)) {
6280 DisplayMoveError(_("It is Black's turn"));
6283 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6284 /* Editing correspondence game history */
6285 /* Could disallow this or prompt for confirmation */
6290 case BeginningOfGame:
6291 if (appData.icsActive) return FALSE;
6292 if (!appData.noChessProgram) {
6294 DisplayMoveError(_("You are playing White"));
6301 if (!white_piece && WhiteOnMove(currentMove)) {
6302 DisplayMoveError(_("It is White's turn"));
6305 if (white_piece && !WhiteOnMove(currentMove)) {
6306 DisplayMoveError(_("It is Black's turn"));
6315 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6316 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6317 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6318 && gameMode != AnalyzeFile && gameMode != Training) {
6319 DisplayMoveError(_("Displayed position is not current"));
6326 OnlyMove(int *x, int *y, Boolean captures) {
6327 DisambiguateClosure cl;
6328 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6330 case MachinePlaysBlack:
6331 case IcsPlayingWhite:
6332 case BeginningOfGame:
6333 if(!WhiteOnMove(currentMove)) return FALSE;
6335 case MachinePlaysWhite:
6336 case IcsPlayingBlack:
6337 if(WhiteOnMove(currentMove)) return FALSE;
6344 cl.pieceIn = EmptySquare;
6349 cl.promoCharIn = NULLCHAR;
6350 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6351 if( cl.kind == NormalMove ||
6352 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6353 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6354 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6361 if(cl.kind != ImpossibleMove) return FALSE;
6362 cl.pieceIn = EmptySquare;
6367 cl.promoCharIn = NULLCHAR;
6368 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6369 if( cl.kind == NormalMove ||
6370 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6371 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6372 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6377 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6383 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6384 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6385 int lastLoadGameUseList = FALSE;
6386 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6387 ChessMove lastLoadGameStart = EndOfFile;
6390 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6391 int fromX, fromY, toX, toY;
6395 ChessSquare pdown, pup;
6397 /* Check if the user is playing in turn. This is complicated because we
6398 let the user "pick up" a piece before it is his turn. So the piece he
6399 tried to pick up may have been captured by the time he puts it down!
6400 Therefore we use the color the user is supposed to be playing in this
6401 test, not the color of the piece that is currently on the starting
6402 square---except in EditGame mode, where the user is playing both
6403 sides; fortunately there the capture race can't happen. (It can
6404 now happen in IcsExamining mode, but that's just too bad. The user
6405 will get a somewhat confusing message in that case.)
6410 case TwoMachinesPlay:
6414 /* We switched into a game mode where moves are not accepted,
6415 perhaps while the mouse button was down. */
6418 case MachinePlaysWhite:
6419 /* User is moving for Black */
6420 if (WhiteOnMove(currentMove)) {
6421 DisplayMoveError(_("It is White's turn"));
6426 case MachinePlaysBlack:
6427 /* User is moving for White */
6428 if (!WhiteOnMove(currentMove)) {
6429 DisplayMoveError(_("It is Black's turn"));
6434 case PlayFromGameFile:
6435 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6438 case BeginningOfGame:
6441 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6442 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6443 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6444 /* User is moving for Black */
6445 if (WhiteOnMove(currentMove)) {
6446 DisplayMoveError(_("It is White's turn"));
6450 /* User is moving for White */
6451 if (!WhiteOnMove(currentMove)) {
6452 DisplayMoveError(_("It is Black's turn"));
6458 case IcsPlayingBlack:
6459 /* User is moving for Black */
6460 if (WhiteOnMove(currentMove)) {
6461 if (!appData.premove) {
6462 DisplayMoveError(_("It is White's turn"));
6463 } else if (toX >= 0 && toY >= 0) {
6466 premoveFromX = fromX;
6467 premoveFromY = fromY;
6468 premovePromoChar = promoChar;
6470 if (appData.debugMode)
6471 fprintf(debugFP, "Got premove: fromX %d,"
6472 "fromY %d, toX %d, toY %d\n",
6473 fromX, fromY, toX, toY);
6479 case IcsPlayingWhite:
6480 /* User is moving for White */
6481 if (!WhiteOnMove(currentMove)) {
6482 if (!appData.premove) {
6483 DisplayMoveError(_("It is Black's turn"));
6484 } else if (toX >= 0 && toY >= 0) {
6487 premoveFromX = fromX;
6488 premoveFromY = fromY;
6489 premovePromoChar = promoChar;
6491 if (appData.debugMode)
6492 fprintf(debugFP, "Got premove: fromX %d,"
6493 "fromY %d, toX %d, toY %d\n",
6494 fromX, fromY, toX, toY);
6504 /* EditPosition, empty square, or different color piece;
6505 click-click move is possible */
6506 if (toX == -2 || toY == -2) {
6507 boards[0][fromY][fromX] = EmptySquare;
6508 DrawPosition(FALSE, boards[currentMove]);
6510 } else if (toX >= 0 && toY >= 0) {
6511 boards[0][toY][toX] = boards[0][fromY][fromX];
6512 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6513 if(boards[0][fromY][0] != EmptySquare) {
6514 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6515 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6518 if(fromX == BOARD_RGHT+1) {
6519 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6520 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6521 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6524 boards[0][fromY][fromX] = EmptySquare;
6525 DrawPosition(FALSE, boards[currentMove]);
6531 if(toX < 0 || toY < 0) return;
6532 pdown = boards[currentMove][fromY][fromX];
6533 pup = boards[currentMove][toY][toX];
6535 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6536 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6537 if( pup != EmptySquare ) return;
6538 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6539 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6540 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6541 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6542 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6543 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6544 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6548 /* [HGM] always test for legality, to get promotion info */
6549 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6550 fromY, fromX, toY, toX, promoChar);
6552 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6554 /* [HGM] but possibly ignore an IllegalMove result */
6555 if (appData.testLegality) {
6556 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6557 DisplayMoveError(_("Illegal move"));
6562 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6565 /* Common tail of UserMoveEvent and DropMenuEvent */
6567 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6569 int fromX, fromY, toX, toY;
6570 /*char*/int promoChar;
6574 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6575 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6576 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6577 if(WhiteOnMove(currentMove)) {
6578 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6580 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6584 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6585 move type in caller when we know the move is a legal promotion */
6586 if(moveType == NormalMove && promoChar)
6587 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6589 /* [HGM] <popupFix> The following if has been moved here from
6590 UserMoveEvent(). Because it seemed to belong here (why not allow
6591 piece drops in training games?), and because it can only be
6592 performed after it is known to what we promote. */
6593 if (gameMode == Training) {
6594 /* compare the move played on the board to the next move in the
6595 * game. If they match, display the move and the opponent's response.
6596 * If they don't match, display an error message.
6600 CopyBoard(testBoard, boards[currentMove]);
6601 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6603 if (CompareBoards(testBoard, boards[currentMove+1])) {
6604 ForwardInner(currentMove+1);
6606 /* Autoplay the opponent's response.
6607 * if appData.animate was TRUE when Training mode was entered,
6608 * the response will be animated.
6610 saveAnimate = appData.animate;
6611 appData.animate = animateTraining;
6612 ForwardInner(currentMove+1);
6613 appData.animate = saveAnimate;
6615 /* check for the end of the game */
6616 if (currentMove >= forwardMostMove) {
6617 gameMode = PlayFromGameFile;
6619 SetTrainingModeOff();
6620 DisplayInformation(_("End of game"));
6623 DisplayError(_("Incorrect move"), 0);
6628 /* Ok, now we know that the move is good, so we can kill
6629 the previous line in Analysis Mode */
6630 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6631 && currentMove < forwardMostMove) {
6632 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6633 else forwardMostMove = currentMove;
6636 /* If we need the chess program but it's dead, restart it */
6637 ResurrectChessProgram();
6639 /* A user move restarts a paused game*/
6643 thinkOutput[0] = NULLCHAR;
6645 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6647 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6648 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6652 if (gameMode == BeginningOfGame) {
6653 if (appData.noChessProgram) {
6654 gameMode = EditGame;
6658 gameMode = MachinePlaysBlack;
6661 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6663 if (first.sendName) {
6664 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6665 SendToProgram(buf, &first);
6672 /* Relay move to ICS or chess engine */
6673 if (appData.icsActive) {
6674 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6675 gameMode == IcsExamining) {
6676 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6677 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6679 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6681 // also send plain move, in case ICS does not understand atomic claims
6682 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6686 if (first.sendTime && (gameMode == BeginningOfGame ||
6687 gameMode == MachinePlaysWhite ||
6688 gameMode == MachinePlaysBlack)) {
6689 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6691 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6692 // [HGM] book: if program might be playing, let it use book
6693 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6694 first.maybeThinking = TRUE;
6695 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6696 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6697 SendBoard(&first, currentMove+1);
6698 } else SendMoveToProgram(forwardMostMove-1, &first);
6699 if (currentMove == cmailOldMove + 1) {
6700 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6704 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6708 if(appData.testLegality)
6709 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6715 if (WhiteOnMove(currentMove)) {
6716 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6718 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6722 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6727 case MachinePlaysBlack:
6728 case MachinePlaysWhite:
6729 /* disable certain menu options while machine is thinking */
6730 SetMachineThinkingEnables();
6737 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6738 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6740 if(bookHit) { // [HGM] book: simulate book reply
6741 static char bookMove[MSG_SIZ]; // a bit generous?
6743 programStats.nodes = programStats.depth = programStats.time =
6744 programStats.score = programStats.got_only_move = 0;
6745 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6747 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6748 strcat(bookMove, bookHit);
6749 HandleMachineMove(bookMove, &first);
6755 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6762 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6763 Markers *m = (Markers *) closure;
6764 if(rf == fromY && ff == fromX)
6765 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6766 || kind == WhiteCapturesEnPassant
6767 || kind == BlackCapturesEnPassant);
6768 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6772 MarkTargetSquares(int clear)
6775 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6776 !appData.testLegality || gameMode == EditPosition) return;
6778 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6781 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6782 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6783 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6785 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6788 DrawPosition(TRUE, NULL);
6792 Explode(Board board, int fromX, int fromY, int toX, int toY)
6794 if(gameInfo.variant == VariantAtomic &&
6795 (board[toY][toX] != EmptySquare || // capture?
6796 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6797 board[fromY][fromX] == BlackPawn )
6799 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6805 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6807 int CanPromote(ChessSquare piece, int y)
6809 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6810 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6811 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6812 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6813 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6814 gameInfo.variant == VariantMakruk) return FALSE;
6815 return (piece == BlackPawn && y == 1 ||
6816 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6817 piece == BlackLance && y == 1 ||
6818 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6821 void LeftClick(ClickType clickType, int xPix, int yPix)
6824 Boolean saveAnimate;
6825 static int second = 0, promotionChoice = 0, clearFlag = 0;
6826 char promoChoice = NULLCHAR;
6829 if(appData.seekGraph && appData.icsActive && loggedOn &&
6830 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6831 SeekGraphClick(clickType, xPix, yPix, 0);
6835 if (clickType == Press) ErrorPopDown();
6837 x = EventToSquare(xPix, BOARD_WIDTH);
6838 y = EventToSquare(yPix, BOARD_HEIGHT);
6839 if (!flipView && y >= 0) {
6840 y = BOARD_HEIGHT - 1 - y;
6842 if (flipView && x >= 0) {
6843 x = BOARD_WIDTH - 1 - x;
6846 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6847 defaultPromoChoice = promoSweep;
6848 promoSweep = EmptySquare; // terminate sweep
6849 promoDefaultAltered = TRUE;
6850 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6853 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6854 if(clickType == Release) return; // ignore upclick of click-click destination
6855 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6856 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6857 if(gameInfo.holdingsWidth &&
6858 (WhiteOnMove(currentMove)
6859 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6860 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6861 // click in right holdings, for determining promotion piece
6862 ChessSquare p = boards[currentMove][y][x];
6863 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6864 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6865 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6866 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6871 DrawPosition(FALSE, boards[currentMove]);
6875 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6876 if(clickType == Press
6877 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6878 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6879 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6882 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6883 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6885 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6886 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6887 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6888 defaultPromoChoice = DefaultPromoChoice(side);
6891 autoQueen = appData.alwaysPromoteToQueen;
6895 gatingPiece = EmptySquare;
6896 if (clickType != Press) {
6897 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6898 DragPieceEnd(xPix, yPix); dragging = 0;
6899 DrawPosition(FALSE, NULL);
6903 fromX = x; fromY = y; toX = toY = -1;
6904 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6905 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6906 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6908 if (OKToStartUserMove(fromX, fromY)) {
6910 MarkTargetSquares(0);
6911 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6912 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6913 promoSweep = defaultPromoChoice;
6914 selectFlag = 0; lastX = xPix; lastY = yPix;
6915 Sweep(0); // Pawn that is going to promote: preview promotion piece
6916 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6918 if (appData.highlightDragging) {
6919 SetHighlights(fromX, fromY, -1, -1);
6921 } else fromX = fromY = -1;
6927 if (clickType == Press && gameMode != EditPosition) {
6932 // ignore off-board to clicks
6933 if(y < 0 || x < 0) return;
6935 /* Check if clicking again on the same color piece */
6936 fromP = boards[currentMove][fromY][fromX];
6937 toP = boards[currentMove][y][x];
6938 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6939 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6940 WhitePawn <= toP && toP <= WhiteKing &&
6941 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6942 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6943 (BlackPawn <= fromP && fromP <= BlackKing &&
6944 BlackPawn <= toP && toP <= BlackKing &&
6945 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6946 !(fromP == BlackKing && toP == BlackRook && frc))) {
6947 /* Clicked again on same color piece -- changed his mind */
6948 second = (x == fromX && y == fromY);
6949 promoDefaultAltered = FALSE;
6950 MarkTargetSquares(1);
6951 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6952 if (appData.highlightDragging) {
6953 SetHighlights(x, y, -1, -1);
6957 if (OKToStartUserMove(x, y)) {
6958 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6959 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6960 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6961 gatingPiece = boards[currentMove][fromY][fromX];
6962 else gatingPiece = EmptySquare;
6964 fromY = y; dragging = 1;
6965 MarkTargetSquares(0);
6966 DragPieceBegin(xPix, yPix, FALSE);
6967 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6968 promoSweep = defaultPromoChoice;
6969 selectFlag = 0; lastX = xPix; lastY = yPix;
6970 Sweep(0); // Pawn that is going to promote: preview promotion piece
6974 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6977 // ignore clicks on holdings
6978 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6981 if (clickType == Release && x == fromX && y == fromY) {
6982 DragPieceEnd(xPix, yPix); dragging = 0;
6984 // a deferred attempt to click-click move an empty square on top of a piece
6985 boards[currentMove][y][x] = EmptySquare;
6987 DrawPosition(FALSE, boards[currentMove]);
6988 fromX = fromY = -1; clearFlag = 0;
6991 if (appData.animateDragging) {
6992 /* Undo animation damage if any */
6993 DrawPosition(FALSE, NULL);
6996 /* Second up/down in same square; just abort move */
6999 gatingPiece = EmptySquare;
7002 ClearPremoveHighlights();
7004 /* First upclick in same square; start click-click mode */
7005 SetHighlights(x, y, -1, -1);
7012 /* we now have a different from- and (possibly off-board) to-square */
7013 /* Completed move */
7016 saveAnimate = appData.animate;
7017 MarkTargetSquares(1);
7018 if (clickType == Press) {
7019 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7020 // must be Edit Position mode with empty-square selected
7021 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7022 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7025 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7026 ChessSquare piece = boards[currentMove][fromY][fromX];
7027 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7028 promoSweep = defaultPromoChoice;
7029 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7030 selectFlag = 0; lastX = xPix; lastY = yPix;
7031 Sweep(0); // Pawn that is going to promote: preview promotion piece
7032 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7033 DrawPosition(FALSE, boards[currentMove]);
7036 /* Finish clickclick move */
7037 if (appData.animate || appData.highlightLastMove) {
7038 SetHighlights(fromX, fromY, toX, toY);
7043 /* Finish drag move */
7044 if (appData.highlightLastMove) {
7045 SetHighlights(fromX, fromY, toX, toY);
7049 DragPieceEnd(xPix, yPix); dragging = 0;
7050 /* Don't animate move and drag both */
7051 appData.animate = FALSE;
7054 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7055 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7056 ChessSquare piece = boards[currentMove][fromY][fromX];
7057 if(gameMode == EditPosition && piece != EmptySquare &&
7058 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7061 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7062 n = PieceToNumber(piece - (int)BlackPawn);
7063 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7064 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7065 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7067 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7068 n = PieceToNumber(piece);
7069 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7070 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7071 boards[currentMove][n][BOARD_WIDTH-2]++;
7073 boards[currentMove][fromY][fromX] = EmptySquare;
7077 DrawPosition(TRUE, boards[currentMove]);
7081 // off-board moves should not be highlighted
7082 if(x < 0 || y < 0) ClearHighlights();
7084 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7086 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7087 SetHighlights(fromX, fromY, toX, toY);
7088 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7089 // [HGM] super: promotion to captured piece selected from holdings
7090 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7091 promotionChoice = TRUE;
7092 // kludge follows to temporarily execute move on display, without promoting yet
7093 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7094 boards[currentMove][toY][toX] = p;
7095 DrawPosition(FALSE, boards[currentMove]);
7096 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7097 boards[currentMove][toY][toX] = q;
7098 DisplayMessage("Click in holdings to choose piece", "");
7103 int oldMove = currentMove;
7104 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7105 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7106 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7107 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7108 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7109 DrawPosition(TRUE, boards[currentMove]);
7112 appData.animate = saveAnimate;
7113 if (appData.animate || appData.animateDragging) {
7114 /* Undo animation damage if needed */
7115 DrawPosition(FALSE, NULL);
7119 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7120 { // front-end-free part taken out of PieceMenuPopup
7121 int whichMenu; int xSqr, ySqr;
7123 if(seekGraphUp) { // [HGM] seekgraph
7124 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7125 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7129 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7130 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7131 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7132 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7133 if(action == Press) {
7134 originalFlip = flipView;
7135 flipView = !flipView; // temporarily flip board to see game from partners perspective
7136 DrawPosition(TRUE, partnerBoard);
7137 DisplayMessage(partnerStatus, "");
7139 } else if(action == Release) {
7140 flipView = originalFlip;
7141 DrawPosition(TRUE, boards[currentMove]);
7147 xSqr = EventToSquare(x, BOARD_WIDTH);
7148 ySqr = EventToSquare(y, BOARD_HEIGHT);
7149 if (action == Release) {
7150 if(pieceSweep != EmptySquare) {
7151 EditPositionMenuEvent(pieceSweep, toX, toY);
7152 pieceSweep = EmptySquare;
7153 } else UnLoadPV(); // [HGM] pv
7155 if (action != Press) return -2; // return code to be ignored
7158 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7160 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7161 if (xSqr < 0 || ySqr < 0) return -1;
7162 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7163 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7164 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7165 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7169 if(!appData.icsEngineAnalyze) return -1;
7170 case IcsPlayingWhite:
7171 case IcsPlayingBlack:
7172 if(!appData.zippyPlay) goto noZip;
7175 case MachinePlaysWhite:
7176 case MachinePlaysBlack:
7177 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7178 if (!appData.dropMenu) {
7180 return 2; // flag front-end to grab mouse events
7182 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7183 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7186 if (xSqr < 0 || ySqr < 0) return -1;
7187 if (!appData.dropMenu || appData.testLegality &&
7188 gameInfo.variant != VariantBughouse &&
7189 gameInfo.variant != VariantCrazyhouse) return -1;
7190 whichMenu = 1; // drop menu
7196 if (((*fromX = xSqr) < 0) ||
7197 ((*fromY = ySqr) < 0)) {
7198 *fromX = *fromY = -1;
7202 *fromX = BOARD_WIDTH - 1 - *fromX;
7204 *fromY = BOARD_HEIGHT - 1 - *fromY;
7209 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7211 // char * hint = lastHint;
7212 FrontEndProgramStats stats;
7214 stats.which = cps == &first ? 0 : 1;
7215 stats.depth = cpstats->depth;
7216 stats.nodes = cpstats->nodes;
7217 stats.score = cpstats->score;
7218 stats.time = cpstats->time;
7219 stats.pv = cpstats->movelist;
7220 stats.hint = lastHint;
7221 stats.an_move_index = 0;
7222 stats.an_move_count = 0;
7224 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7225 stats.hint = cpstats->move_name;
7226 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7227 stats.an_move_count = cpstats->nr_moves;
7230 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
7232 SetProgramStats( &stats );
7236 ClearEngineOutputPane(int which)
7238 static FrontEndProgramStats dummyStats;
7239 dummyStats.which = which;
7240 dummyStats.pv = "#";
7241 SetProgramStats( &dummyStats );
7244 #define MAXPLAYERS 500
7247 TourneyStandings(int display)
7249 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7250 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7251 char result, *p, *names[MAXPLAYERS];
7253 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7254 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7255 names[0] = p = strdup(appData.participants);
7256 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7258 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7260 while(result = appData.results[nr]) {
7261 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7262 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7263 wScore = bScore = 0;
7265 case '+': wScore = 2; break;
7266 case '-': bScore = 2; break;
7267 case '=': wScore = bScore = 1; break;
7269 case '*': return strdup("busy"); // tourney not finished
7277 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7278 for(w=0; w<nPlayers; w++) {
7280 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7281 ranking[w] = b; points[w] = bScore; score[b] = -2;
7283 p = malloc(nPlayers*34+1);
7284 for(w=0; w<nPlayers && w<display; w++)
7285 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7291 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7292 { // count all piece types
7294 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7295 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7296 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7299 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7300 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7301 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7302 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7303 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7304 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7309 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7311 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7312 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7314 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7315 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7316 if(myPawns == 2 && nMine == 3) // KPP
7317 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7318 if(myPawns == 1 && nMine == 2) // KP
7319 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7320 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7321 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7322 if(myPawns) return FALSE;
7323 if(pCnt[WhiteRook+side])
7324 return pCnt[BlackRook-side] ||
7325 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7326 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7327 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7328 if(pCnt[WhiteCannon+side]) {
7329 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7330 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7332 if(pCnt[WhiteKnight+side])
7333 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7338 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7340 VariantClass v = gameInfo.variant;
7342 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7343 if(v == VariantShatranj) return TRUE; // always winnable through baring
7344 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7345 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7347 if(v == VariantXiangqi) {
7348 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7350 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7351 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7352 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7353 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7354 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7355 if(stale) // we have at least one last-rank P plus perhaps C
7356 return majors // KPKX
7357 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7359 return pCnt[WhiteFerz+side] // KCAK
7360 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7361 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7362 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7364 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7365 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7367 if(nMine == 1) return FALSE; // bare King
7368 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
7369 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7370 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7371 // by now we have King + 1 piece (or multiple Bishops on the same color)
7372 if(pCnt[WhiteKnight+side])
7373 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7374 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7375 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7377 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7378 if(pCnt[WhiteAlfil+side])
7379 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7380 if(pCnt[WhiteWazir+side])
7381 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7388 CompareWithRights(Board b1, Board b2)
7391 if(!CompareBoards(b1, b2)) return FALSE;
7392 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7393 /* compare castling rights */
7394 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7395 rights++; /* King lost rights, while rook still had them */
7396 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7397 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7398 rights++; /* but at least one rook lost them */
7400 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7402 if( b1[CASTLING][5] != NoRights ) {
7403 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7410 Adjudicate(ChessProgramState *cps)
7411 { // [HGM] some adjudications useful with buggy engines
7412 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7413 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7414 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7415 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7416 int k, count = 0; static int bare = 1;
7417 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7418 Boolean canAdjudicate = !appData.icsActive;
7420 // most tests only when we understand the game, i.e. legality-checking on
7421 if( appData.testLegality )
7422 { /* [HGM] Some more adjudications for obstinate engines */
7423 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7424 static int moveCount = 6;
7426 char *reason = NULL;
7428 /* Count what is on board. */
7429 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7431 /* Some material-based adjudications that have to be made before stalemate test */
7432 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7433 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7434 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7435 if(canAdjudicate && appData.checkMates) {
7437 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7438 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7439 "Xboard adjudication: King destroyed", GE_XBOARD );
7444 /* Bare King in Shatranj (loses) or Losers (wins) */
7445 if( nrW == 1 || nrB == 1) {
7446 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7447 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7448 if(canAdjudicate && appData.checkMates) {
7450 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7451 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7452 "Xboard adjudication: Bare king", GE_XBOARD );
7456 if( gameInfo.variant == VariantShatranj && --bare < 0)
7458 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7459 if(canAdjudicate && appData.checkMates) {
7460 /* but only adjudicate if adjudication enabled */
7462 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7463 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7464 "Xboard adjudication: Bare king", GE_XBOARD );
7471 // don't wait for engine to announce game end if we can judge ourselves
7472 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7474 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7475 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7476 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7477 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7480 reason = "Xboard adjudication: 3rd check";
7481 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7491 reason = "Xboard adjudication: Stalemate";
7492 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7493 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7494 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7495 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7496 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7497 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7498 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7499 EP_CHECKMATE : EP_WINS);
7500 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7501 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7505 reason = "Xboard adjudication: Checkmate";
7506 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7510 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7512 result = GameIsDrawn; break;
7514 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7516 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7520 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7522 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7523 GameEnds( result, reason, GE_XBOARD );
7527 /* Next absolutely insufficient mating material. */
7528 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7529 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7530 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7532 /* always flag draws, for judging claims */
7533 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7535 if(canAdjudicate && appData.materialDraws) {
7536 /* but only adjudicate them if adjudication enabled */
7537 if(engineOpponent) {
7538 SendToProgram("force\n", engineOpponent); // suppress reply
7539 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7541 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7546 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7547 if(gameInfo.variant == VariantXiangqi ?
7548 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7550 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7551 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7552 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7553 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7555 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7556 { /* if the first 3 moves do not show a tactical win, declare draw */
7557 if(engineOpponent) {
7558 SendToProgram("force\n", engineOpponent); // suppress reply
7559 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7561 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7564 } else moveCount = 6;
7566 if (appData.debugMode) { int i;
7567 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7568 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7569 appData.drawRepeats);
7570 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7571 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7575 // Repetition draws and 50-move rule can be applied independently of legality testing
7577 /* Check for rep-draws */
7579 for(k = forwardMostMove-2;
7580 k>=backwardMostMove && k>=forwardMostMove-100 &&
7581 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7582 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7585 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7586 /* compare castling rights */
7587 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7588 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7589 rights++; /* King lost rights, while rook still had them */
7590 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7591 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7592 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7593 rights++; /* but at least one rook lost them */
7595 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7596 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7598 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7599 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7600 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7603 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7604 && appData.drawRepeats > 1) {
7605 /* adjudicate after user-specified nr of repeats */
7606 int result = GameIsDrawn;
7607 char *details = "XBoard adjudication: repetition draw";
7608 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7609 // [HGM] xiangqi: check for forbidden perpetuals
7610 int m, ourPerpetual = 1, hisPerpetual = 1;
7611 for(m=forwardMostMove; m>k; m-=2) {
7612 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7613 ourPerpetual = 0; // the current mover did not always check
7614 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7615 hisPerpetual = 0; // the opponent did not always check
7617 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7618 ourPerpetual, hisPerpetual);
7619 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7620 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7621 details = "Xboard adjudication: perpetual checking";
7623 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7624 break; // (or we would have caught him before). Abort repetition-checking loop.
7626 // Now check for perpetual chases
7627 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7628 hisPerpetual = PerpetualChase(k, forwardMostMove);
7629 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7630 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7631 static char resdet[MSG_SIZ];
7632 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7634 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7636 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7637 break; // Abort repetition-checking loop.
7639 // if neither of us is checking or chasing all the time, or both are, it is draw
7641 if(engineOpponent) {
7642 SendToProgram("force\n", engineOpponent); // suppress reply
7643 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7645 GameEnds( result, details, GE_XBOARD );
7648 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7649 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7653 /* Now we test for 50-move draws. Determine ply count */
7654 count = forwardMostMove;
7655 /* look for last irreversble move */
7656 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7658 /* if we hit starting position, add initial plies */
7659 if( count == backwardMostMove )
7660 count -= initialRulePlies;
7661 count = forwardMostMove - count;
7662 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7663 // adjust reversible move counter for checks in Xiangqi
7664 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7665 if(i < backwardMostMove) i = backwardMostMove;
7666 while(i <= forwardMostMove) {
7667 lastCheck = inCheck; // check evasion does not count
7668 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7669 if(inCheck || lastCheck) count--; // check does not count
7674 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7675 /* this is used to judge if draw claims are legal */
7676 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7677 if(engineOpponent) {
7678 SendToProgram("force\n", engineOpponent); // suppress reply
7679 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7681 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7685 /* if draw offer is pending, treat it as a draw claim
7686 * when draw condition present, to allow engines a way to
7687 * claim draws before making their move to avoid a race
7688 * condition occurring after their move
7690 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7692 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7693 p = "Draw claim: 50-move rule";
7694 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7695 p = "Draw claim: 3-fold repetition";
7696 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7697 p = "Draw claim: insufficient mating material";
7698 if( p != NULL && canAdjudicate) {
7699 if(engineOpponent) {
7700 SendToProgram("force\n", engineOpponent); // suppress reply
7701 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7703 GameEnds( GameIsDrawn, p, GE_XBOARD );
7708 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7709 if(engineOpponent) {
7710 SendToProgram("force\n", engineOpponent); // suppress reply
7711 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7713 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7719 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7720 { // [HGM] book: this routine intercepts moves to simulate book replies
7721 char *bookHit = NULL;
7723 //first determine if the incoming move brings opponent into his book
7724 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7725 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7726 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7727 if(bookHit != NULL && !cps->bookSuspend) {
7728 // make sure opponent is not going to reply after receiving move to book position
7729 SendToProgram("force\n", cps);
7730 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7732 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7733 // now arrange restart after book miss
7735 // after a book hit we never send 'go', and the code after the call to this routine
7736 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7737 char buf[MSG_SIZ], *move = bookHit;
7739 int fromX, fromY, toX, toY;
7743 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7744 &fromX, &fromY, &toX, &toY, &promoChar)) {
7745 (void) CoordsToAlgebraic(boards[forwardMostMove],
7746 PosFlags(forwardMostMove),
7747 fromY, fromX, toY, toX, promoChar, move);
7749 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7753 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7754 SendToProgram(buf, cps);
7755 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7756 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7757 SendToProgram("go\n", cps);
7758 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7759 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7760 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7761 SendToProgram("go\n", cps);
7762 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7764 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7768 ChessProgramState *savedState;
7769 void DeferredBookMove(void)
7771 if(savedState->lastPing != savedState->lastPong)
7772 ScheduleDelayedEvent(DeferredBookMove, 10);
7774 HandleMachineMove(savedMessage, savedState);
7777 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7780 HandleMachineMove(message, cps)
7782 ChessProgramState *cps;
7784 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7785 char realname[MSG_SIZ];
7786 int fromX, fromY, toX, toY;
7793 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7794 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7795 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7796 DisplayError(_("Invalid pairing from pairing engine"), 0);
7799 pairingReceived = 1;
7801 return; // Skim the pairing messages here.
7806 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7808 * Kludge to ignore BEL characters
7810 while (*message == '\007') message++;
7813 * [HGM] engine debug message: ignore lines starting with '#' character
7815 if(cps->debug && *message == '#') return;
7818 * Look for book output
7820 if (cps == &first && bookRequested) {
7821 if (message[0] == '\t' || message[0] == ' ') {
7822 /* Part of the book output is here; append it */
7823 strcat(bookOutput, message);
7824 strcat(bookOutput, " \n");
7826 } else if (bookOutput[0] != NULLCHAR) {
7827 /* All of book output has arrived; display it */
7828 char *p = bookOutput;
7829 while (*p != NULLCHAR) {
7830 if (*p == '\t') *p = ' ';
7833 DisplayInformation(bookOutput);
7834 bookRequested = FALSE;
7835 /* Fall through to parse the current output */
7840 * Look for machine move.
7842 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7843 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7845 /* This method is only useful on engines that support ping */
7846 if (cps->lastPing != cps->lastPong) {
7847 if (gameMode == BeginningOfGame) {
7848 /* Extra move from before last new; ignore */
7849 if (appData.debugMode) {
7850 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7853 if (appData.debugMode) {
7854 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7855 cps->which, gameMode);
7858 SendToProgram("undo\n", cps);
7864 case BeginningOfGame:
7865 /* Extra move from before last reset; ignore */
7866 if (appData.debugMode) {
7867 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7874 /* Extra move after we tried to stop. The mode test is
7875 not a reliable way of detecting this problem, but it's
7876 the best we can do on engines that don't support ping.
7878 if (appData.debugMode) {
7879 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7880 cps->which, gameMode);
7882 SendToProgram("undo\n", cps);
7885 case MachinePlaysWhite:
7886 case IcsPlayingWhite:
7887 machineWhite = TRUE;
7890 case MachinePlaysBlack:
7891 case IcsPlayingBlack:
7892 machineWhite = FALSE;
7895 case TwoMachinesPlay:
7896 machineWhite = (cps->twoMachinesColor[0] == 'w');
7899 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7900 if (appData.debugMode) {
7902 "Ignoring move out of turn by %s, gameMode %d"
7903 ", forwardMost %d\n",
7904 cps->which, gameMode, forwardMostMove);
7909 if (appData.debugMode) { int f = forwardMostMove;
7910 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7911 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7912 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7914 if(cps->alphaRank) AlphaRank(machineMove, 4);
7915 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7916 &fromX, &fromY, &toX, &toY, &promoChar)) {
7917 /* Machine move could not be parsed; ignore it. */
7918 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7919 machineMove, _(cps->which));
7920 DisplayError(buf1, 0);
7921 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7922 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7923 if (gameMode == TwoMachinesPlay) {
7924 GameEnds(machineWhite ? BlackWins : WhiteWins,
7930 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7931 /* So we have to redo legality test with true e.p. status here, */
7932 /* to make sure an illegal e.p. capture does not slip through, */
7933 /* to cause a forfeit on a justified illegal-move complaint */
7934 /* of the opponent. */
7935 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7937 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7938 fromY, fromX, toY, toX, promoChar);
7939 if (appData.debugMode) {
7941 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7942 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7943 fprintf(debugFP, "castling rights\n");
7945 if(moveType == IllegalMove) {
7946 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7947 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7948 GameEnds(machineWhite ? BlackWins : WhiteWins,
7951 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7952 /* [HGM] Kludge to handle engines that send FRC-style castling
7953 when they shouldn't (like TSCP-Gothic) */
7955 case WhiteASideCastleFR:
7956 case BlackASideCastleFR:
7958 currentMoveString[2]++;
7960 case WhiteHSideCastleFR:
7961 case BlackHSideCastleFR:
7963 currentMoveString[2]--;
7965 default: ; // nothing to do, but suppresses warning of pedantic compilers
7968 hintRequested = FALSE;
7969 lastHint[0] = NULLCHAR;
7970 bookRequested = FALSE;
7971 /* Program may be pondering now */
7972 cps->maybeThinking = TRUE;
7973 if (cps->sendTime == 2) cps->sendTime = 1;
7974 if (cps->offeredDraw) cps->offeredDraw--;
7976 /* [AS] Save move info*/
7977 pvInfoList[ forwardMostMove ].score = programStats.score;
7978 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7979 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7981 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7983 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7984 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7987 while( count < adjudicateLossPlies ) {
7988 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7991 score = -score; /* Flip score for winning side */
7994 if( score > adjudicateLossThreshold ) {
8001 if( count >= adjudicateLossPlies ) {
8002 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8004 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8005 "Xboard adjudication",
8012 if(Adjudicate(cps)) {
8013 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8014 return; // [HGM] adjudicate: for all automatic game ends
8018 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8020 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8021 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8023 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8025 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8027 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8028 char buf[3*MSG_SIZ];
8030 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8031 programStats.score / 100.,
8033 programStats.time / 100.,
8034 (unsigned int)programStats.nodes,
8035 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8036 programStats.movelist);
8038 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8043 /* [AS] Clear stats for next move */
8044 ClearProgramStats();
8045 thinkOutput[0] = NULLCHAR;
8046 hiddenThinkOutputState = 0;
8049 if (gameMode == TwoMachinesPlay) {
8050 /* [HGM] relaying draw offers moved to after reception of move */
8051 /* and interpreting offer as claim if it brings draw condition */
8052 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8053 SendToProgram("draw\n", cps->other);
8055 if (cps->other->sendTime) {
8056 SendTimeRemaining(cps->other,
8057 cps->other->twoMachinesColor[0] == 'w');
8059 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8060 if (firstMove && !bookHit) {
8062 if (cps->other->useColors) {
8063 SendToProgram(cps->other->twoMachinesColor, cps->other);
8065 SendToProgram("go\n", cps->other);
8067 cps->other->maybeThinking = TRUE;
8070 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8072 if (!pausing && appData.ringBellAfterMoves) {
8077 * Reenable menu items that were disabled while
8078 * machine was thinking
8080 if (gameMode != TwoMachinesPlay)
8081 SetUserThinkingEnables();
8083 // [HGM] book: after book hit opponent has received move and is now in force mode
8084 // force the book reply into it, and then fake that it outputted this move by jumping
8085 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8087 static char bookMove[MSG_SIZ]; // a bit generous?
8089 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8090 strcat(bookMove, bookHit);
8093 programStats.nodes = programStats.depth = programStats.time =
8094 programStats.score = programStats.got_only_move = 0;
8095 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8097 if(cps->lastPing != cps->lastPong) {
8098 savedMessage = message; // args for deferred call
8100 ScheduleDelayedEvent(DeferredBookMove, 10);
8109 /* Set special modes for chess engines. Later something general
8110 * could be added here; for now there is just one kludge feature,
8111 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8112 * when "xboard" is given as an interactive command.
8114 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8115 cps->useSigint = FALSE;
8116 cps->useSigterm = FALSE;
8118 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8119 ParseFeatures(message+8, cps);
8120 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8123 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8124 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8125 int dummy, s=6; char buf[MSG_SIZ];
8126 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8127 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8128 if(startedFromSetupPosition) return;
8129 ParseFEN(boards[0], &dummy, message+s);
8130 DrawPosition(TRUE, boards[0]);
8131 startedFromSetupPosition = TRUE;
8134 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8135 * want this, I was asked to put it in, and obliged.
8137 if (!strncmp(message, "setboard ", 9)) {
8138 Board initial_position;
8140 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8142 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8143 DisplayError(_("Bad FEN received from engine"), 0);
8147 CopyBoard(boards[0], initial_position);
8148 initialRulePlies = FENrulePlies;
8149 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8150 else gameMode = MachinePlaysBlack;
8151 DrawPosition(FALSE, boards[currentMove]);
8157 * Look for communication commands
8159 if (!strncmp(message, "telluser ", 9)) {
8160 if(message[9] == '\\' && message[10] == '\\')
8161 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8163 DisplayNote(message + 9);
8166 if (!strncmp(message, "tellusererror ", 14)) {
8168 if(message[14] == '\\' && message[15] == '\\')
8169 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8171 DisplayError(message + 14, 0);
8174 if (!strncmp(message, "tellopponent ", 13)) {
8175 if (appData.icsActive) {
8177 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8181 DisplayNote(message + 13);
8185 if (!strncmp(message, "tellothers ", 11)) {
8186 if (appData.icsActive) {
8188 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8194 if (!strncmp(message, "tellall ", 8)) {
8195 if (appData.icsActive) {
8197 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8201 DisplayNote(message + 8);
8205 if (strncmp(message, "warning", 7) == 0) {
8206 /* Undocumented feature, use tellusererror in new code */
8207 DisplayError(message, 0);
8210 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8211 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8212 strcat(realname, " query");
8213 AskQuestion(realname, buf2, buf1, cps->pr);
8216 /* Commands from the engine directly to ICS. We don't allow these to be
8217 * sent until we are logged on. Crafty kibitzes have been known to
8218 * interfere with the login process.
8221 if (!strncmp(message, "tellics ", 8)) {
8222 SendToICS(message + 8);
8226 if (!strncmp(message, "tellicsnoalias ", 15)) {
8227 SendToICS(ics_prefix);
8228 SendToICS(message + 15);
8232 /* The following are for backward compatibility only */
8233 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8234 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8235 SendToICS(ics_prefix);
8241 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8245 * If the move is illegal, cancel it and redraw the board.
8246 * Also deal with other error cases. Matching is rather loose
8247 * here to accommodate engines written before the spec.
8249 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8250 strncmp(message, "Error", 5) == 0) {
8251 if (StrStr(message, "name") ||
8252 StrStr(message, "rating") || StrStr(message, "?") ||
8253 StrStr(message, "result") || StrStr(message, "board") ||
8254 StrStr(message, "bk") || StrStr(message, "computer") ||
8255 StrStr(message, "variant") || StrStr(message, "hint") ||
8256 StrStr(message, "random") || StrStr(message, "depth") ||
8257 StrStr(message, "accepted")) {
8260 if (StrStr(message, "protover")) {
8261 /* Program is responding to input, so it's apparently done
8262 initializing, and this error message indicates it is
8263 protocol version 1. So we don't need to wait any longer
8264 for it to initialize and send feature commands. */
8265 FeatureDone(cps, 1);
8266 cps->protocolVersion = 1;
8269 cps->maybeThinking = FALSE;
8271 if (StrStr(message, "draw")) {
8272 /* Program doesn't have "draw" command */
8273 cps->sendDrawOffers = 0;
8276 if (cps->sendTime != 1 &&
8277 (StrStr(message, "time") || StrStr(message, "otim"))) {
8278 /* Program apparently doesn't have "time" or "otim" command */
8282 if (StrStr(message, "analyze")) {
8283 cps->analysisSupport = FALSE;
8284 cps->analyzing = FALSE;
8285 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8286 EditGameEvent(); // [HGM] try to preserve loaded game
8287 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8288 DisplayError(buf2, 0);
8291 if (StrStr(message, "(no matching move)st")) {
8292 /* Special kludge for GNU Chess 4 only */
8293 cps->stKludge = TRUE;
8294 SendTimeControl(cps, movesPerSession, timeControl,
8295 timeIncrement, appData.searchDepth,
8299 if (StrStr(message, "(no matching move)sd")) {
8300 /* Special kludge for GNU Chess 4 only */
8301 cps->sdKludge = TRUE;
8302 SendTimeControl(cps, movesPerSession, timeControl,
8303 timeIncrement, appData.searchDepth,
8307 if (!StrStr(message, "llegal")) {
8310 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8311 gameMode == IcsIdle) return;
8312 if (forwardMostMove <= backwardMostMove) return;
8313 if (pausing) PauseEvent();
8314 if(appData.forceIllegal) {
8315 // [HGM] illegal: machine refused move; force position after move into it
8316 SendToProgram("force\n", cps);
8317 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8318 // we have a real problem now, as SendBoard will use the a2a3 kludge
8319 // when black is to move, while there might be nothing on a2 or black
8320 // might already have the move. So send the board as if white has the move.
8321 // But first we must change the stm of the engine, as it refused the last move
8322 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8323 if(WhiteOnMove(forwardMostMove)) {
8324 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8325 SendBoard(cps, forwardMostMove); // kludgeless board
8327 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8328 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8329 SendBoard(cps, forwardMostMove+1); // kludgeless board
8331 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8332 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8333 gameMode == TwoMachinesPlay)
8334 SendToProgram("go\n", cps);
8337 if (gameMode == PlayFromGameFile) {
8338 /* Stop reading this game file */
8339 gameMode = EditGame;
8342 /* [HGM] illegal-move claim should forfeit game when Xboard */
8343 /* only passes fully legal moves */
8344 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8345 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8346 "False illegal-move claim", GE_XBOARD );
8347 return; // do not take back move we tested as valid
8349 currentMove = forwardMostMove-1;
8350 DisplayMove(currentMove-1); /* before DisplayMoveError */
8351 SwitchClocks(forwardMostMove-1); // [HGM] race
8352 DisplayBothClocks();
8353 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8354 parseList[currentMove], _(cps->which));
8355 DisplayMoveError(buf1);
8356 DrawPosition(FALSE, boards[currentMove]);
8359 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8360 /* Program has a broken "time" command that
8361 outputs a string not ending in newline.
8367 * If chess program startup fails, exit with an error message.
8368 * Attempts to recover here are futile.
8370 if ((StrStr(message, "unknown host") != NULL)
8371 || (StrStr(message, "No remote directory") != NULL)
8372 || (StrStr(message, "not found") != NULL)
8373 || (StrStr(message, "No such file") != NULL)
8374 || (StrStr(message, "can't alloc") != NULL)
8375 || (StrStr(message, "Permission denied") != NULL)) {
8377 cps->maybeThinking = FALSE;
8378 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8379 _(cps->which), cps->program, cps->host, message);
8380 RemoveInputSource(cps->isr);
8381 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8382 if(cps == &first) appData.noChessProgram = TRUE;
8383 DisplayError(buf1, 0);
8389 * Look for hint output
8391 if (sscanf(message, "Hint: %s", buf1) == 1) {
8392 if (cps == &first && hintRequested) {
8393 hintRequested = FALSE;
8394 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8395 &fromX, &fromY, &toX, &toY, &promoChar)) {
8396 (void) CoordsToAlgebraic(boards[forwardMostMove],
8397 PosFlags(forwardMostMove),
8398 fromY, fromX, toY, toX, promoChar, buf1);
8399 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8400 DisplayInformation(buf2);
8402 /* Hint move could not be parsed!? */
8403 snprintf(buf2, sizeof(buf2),
8404 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8405 buf1, _(cps->which));
8406 DisplayError(buf2, 0);
8409 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8415 * Ignore other messages if game is not in progress
8417 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8418 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8421 * look for win, lose, draw, or draw offer
8423 if (strncmp(message, "1-0", 3) == 0) {
8424 char *p, *q, *r = "";
8425 p = strchr(message, '{');
8433 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8435 } else if (strncmp(message, "0-1", 3) == 0) {
8436 char *p, *q, *r = "";
8437 p = strchr(message, '{');
8445 /* Kludge for Arasan 4.1 bug */
8446 if (strcmp(r, "Black resigns") == 0) {
8447 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8450 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8452 } else if (strncmp(message, "1/2", 3) == 0) {
8453 char *p, *q, *r = "";
8454 p = strchr(message, '{');
8463 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8466 } else if (strncmp(message, "White resign", 12) == 0) {
8467 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8469 } else if (strncmp(message, "Black resign", 12) == 0) {
8470 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8472 } else if (strncmp(message, "White matches", 13) == 0 ||
8473 strncmp(message, "Black matches", 13) == 0 ) {
8474 /* [HGM] ignore GNUShogi noises */
8476 } else if (strncmp(message, "White", 5) == 0 &&
8477 message[5] != '(' &&
8478 StrStr(message, "Black") == NULL) {
8479 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8481 } else if (strncmp(message, "Black", 5) == 0 &&
8482 message[5] != '(') {
8483 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8485 } else if (strcmp(message, "resign") == 0 ||
8486 strcmp(message, "computer resigns") == 0) {
8488 case MachinePlaysBlack:
8489 case IcsPlayingBlack:
8490 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8492 case MachinePlaysWhite:
8493 case IcsPlayingWhite:
8494 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8496 case TwoMachinesPlay:
8497 if (cps->twoMachinesColor[0] == 'w')
8498 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8500 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8507 } else if (strncmp(message, "opponent mates", 14) == 0) {
8509 case MachinePlaysBlack:
8510 case IcsPlayingBlack:
8511 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8513 case MachinePlaysWhite:
8514 case IcsPlayingWhite:
8515 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8517 case TwoMachinesPlay:
8518 if (cps->twoMachinesColor[0] == 'w')
8519 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8521 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8528 } else if (strncmp(message, "computer mates", 14) == 0) {
8530 case MachinePlaysBlack:
8531 case IcsPlayingBlack:
8532 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8534 case MachinePlaysWhite:
8535 case IcsPlayingWhite:
8536 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8538 case TwoMachinesPlay:
8539 if (cps->twoMachinesColor[0] == 'w')
8540 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8542 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8549 } else if (strncmp(message, "checkmate", 9) == 0) {
8550 if (WhiteOnMove(forwardMostMove)) {
8551 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8553 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8556 } else if (strstr(message, "Draw") != NULL ||
8557 strstr(message, "game is a draw") != NULL) {
8558 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8560 } else if (strstr(message, "offer") != NULL &&
8561 strstr(message, "draw") != NULL) {
8563 if (appData.zippyPlay && first.initDone) {
8564 /* Relay offer to ICS */
8565 SendToICS(ics_prefix);
8566 SendToICS("draw\n");
8569 cps->offeredDraw = 2; /* valid until this engine moves twice */
8570 if (gameMode == TwoMachinesPlay) {
8571 if (cps->other->offeredDraw) {
8572 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8573 /* [HGM] in two-machine mode we delay relaying draw offer */
8574 /* until after we also have move, to see if it is really claim */
8576 } else if (gameMode == MachinePlaysWhite ||
8577 gameMode == MachinePlaysBlack) {
8578 if (userOfferedDraw) {
8579 DisplayInformation(_("Machine accepts your draw offer"));
8580 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8582 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8589 * Look for thinking output
8591 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8592 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8594 int plylev, mvleft, mvtot, curscore, time;
8595 char mvname[MOVE_LEN];
8599 int prefixHint = FALSE;
8600 mvname[0] = NULLCHAR;
8603 case MachinePlaysBlack:
8604 case IcsPlayingBlack:
8605 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8607 case MachinePlaysWhite:
8608 case IcsPlayingWhite:
8609 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8614 case IcsObserving: /* [DM] icsEngineAnalyze */
8615 if (!appData.icsEngineAnalyze) ignore = TRUE;
8617 case TwoMachinesPlay:
8618 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8628 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8630 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8631 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8633 if (plyext != ' ' && plyext != '\t') {
8637 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8638 if( cps->scoreIsAbsolute &&
8639 ( gameMode == MachinePlaysBlack ||
8640 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8641 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8642 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8643 !WhiteOnMove(currentMove)
8646 curscore = -curscore;
8649 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8651 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8654 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8655 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8656 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8657 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8658 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8659 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8661 } else DisplayError("failed writing PV", 0);
8664 tempStats.depth = plylev;
8665 tempStats.nodes = nodes;
8666 tempStats.time = time;
8667 tempStats.score = curscore;
8668 tempStats.got_only_move = 0;
8670 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8673 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8674 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8675 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8676 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8677 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8678 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8679 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8680 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8683 /* Buffer overflow protection */
8684 if (pv[0] != NULLCHAR) {
8685 if (strlen(pv) >= sizeof(tempStats.movelist)
8686 && appData.debugMode) {
8688 "PV is too long; using the first %u bytes.\n",
8689 (unsigned) sizeof(tempStats.movelist) - 1);
8692 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8694 sprintf(tempStats.movelist, " no PV\n");
8697 if (tempStats.seen_stat) {
8698 tempStats.ok_to_send = 1;
8701 if (strchr(tempStats.movelist, '(') != NULL) {
8702 tempStats.line_is_book = 1;
8703 tempStats.nr_moves = 0;
8704 tempStats.moves_left = 0;
8706 tempStats.line_is_book = 0;
8709 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8710 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8712 SendProgramStatsToFrontend( cps, &tempStats );
8715 [AS] Protect the thinkOutput buffer from overflow... this
8716 is only useful if buf1 hasn't overflowed first!
8718 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8720 (gameMode == TwoMachinesPlay ?
8721 ToUpper(cps->twoMachinesColor[0]) : ' '),
8722 ((double) curscore) / 100.0,
8723 prefixHint ? lastHint : "",
8724 prefixHint ? " " : "" );
8726 if( buf1[0] != NULLCHAR ) {
8727 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8729 if( strlen(pv) > max_len ) {
8730 if( appData.debugMode) {
8731 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8733 pv[max_len+1] = '\0';
8736 strcat( thinkOutput, pv);
8739 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8740 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8741 DisplayMove(currentMove - 1);
8745 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8746 /* crafty (9.25+) says "(only move) <move>"
8747 * if there is only 1 legal move
8749 sscanf(p, "(only move) %s", buf1);
8750 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8751 sprintf(programStats.movelist, "%s (only move)", buf1);
8752 programStats.depth = 1;
8753 programStats.nr_moves = 1;
8754 programStats.moves_left = 1;
8755 programStats.nodes = 1;
8756 programStats.time = 1;
8757 programStats.got_only_move = 1;
8759 /* Not really, but we also use this member to
8760 mean "line isn't going to change" (Crafty
8761 isn't searching, so stats won't change) */
8762 programStats.line_is_book = 1;
8764 SendProgramStatsToFrontend( cps, &programStats );
8766 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8767 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8768 DisplayMove(currentMove - 1);
8771 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8772 &time, &nodes, &plylev, &mvleft,
8773 &mvtot, mvname) >= 5) {
8774 /* The stat01: line is from Crafty (9.29+) in response
8775 to the "." command */
8776 programStats.seen_stat = 1;
8777 cps->maybeThinking = TRUE;
8779 if (programStats.got_only_move || !appData.periodicUpdates)
8782 programStats.depth = plylev;
8783 programStats.time = time;
8784 programStats.nodes = nodes;
8785 programStats.moves_left = mvleft;
8786 programStats.nr_moves = mvtot;
8787 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8788 programStats.ok_to_send = 1;
8789 programStats.movelist[0] = '\0';
8791 SendProgramStatsToFrontend( cps, &programStats );
8795 } else if (strncmp(message,"++",2) == 0) {
8796 /* Crafty 9.29+ outputs this */
8797 programStats.got_fail = 2;
8800 } else if (strncmp(message,"--",2) == 0) {
8801 /* Crafty 9.29+ outputs this */
8802 programStats.got_fail = 1;
8805 } else if (thinkOutput[0] != NULLCHAR &&
8806 strncmp(message, " ", 4) == 0) {
8807 unsigned message_len;
8810 while (*p && *p == ' ') p++;
8812 message_len = strlen( p );
8814 /* [AS] Avoid buffer overflow */
8815 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8816 strcat(thinkOutput, " ");
8817 strcat(thinkOutput, p);
8820 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8821 strcat(programStats.movelist, " ");
8822 strcat(programStats.movelist, p);
8825 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8826 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8827 DisplayMove(currentMove - 1);
8835 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8836 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8838 ChessProgramStats cpstats;
8840 if (plyext != ' ' && plyext != '\t') {
8844 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8845 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8846 curscore = -curscore;
8849 cpstats.depth = plylev;
8850 cpstats.nodes = nodes;
8851 cpstats.time = time;
8852 cpstats.score = curscore;
8853 cpstats.got_only_move = 0;
8854 cpstats.movelist[0] = '\0';
8856 if (buf1[0] != NULLCHAR) {
8857 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8860 cpstats.ok_to_send = 0;
8861 cpstats.line_is_book = 0;
8862 cpstats.nr_moves = 0;
8863 cpstats.moves_left = 0;
8865 SendProgramStatsToFrontend( cps, &cpstats );
8872 /* Parse a game score from the character string "game", and
8873 record it as the history of the current game. The game
8874 score is NOT assumed to start from the standard position.
8875 The display is not updated in any way.
8878 ParseGameHistory(game)
8882 int fromX, fromY, toX, toY, boardIndex;
8887 if (appData.debugMode)
8888 fprintf(debugFP, "Parsing game history: %s\n", game);
8890 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8891 gameInfo.site = StrSave(appData.icsHost);
8892 gameInfo.date = PGNDate();
8893 gameInfo.round = StrSave("-");
8895 /* Parse out names of players */
8896 while (*game == ' ') game++;
8898 while (*game != ' ') *p++ = *game++;
8900 gameInfo.white = StrSave(buf);
8901 while (*game == ' ') game++;
8903 while (*game != ' ' && *game != '\n') *p++ = *game++;
8905 gameInfo.black = StrSave(buf);
8908 boardIndex = blackPlaysFirst ? 1 : 0;
8911 yyboardindex = boardIndex;
8912 moveType = (ChessMove) Myylex();
8914 case IllegalMove: /* maybe suicide chess, etc. */
8915 if (appData.debugMode) {
8916 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8917 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8918 setbuf(debugFP, NULL);
8920 case WhitePromotion:
8921 case BlackPromotion:
8922 case WhiteNonPromotion:
8923 case BlackNonPromotion:
8925 case WhiteCapturesEnPassant:
8926 case BlackCapturesEnPassant:
8927 case WhiteKingSideCastle:
8928 case WhiteQueenSideCastle:
8929 case BlackKingSideCastle:
8930 case BlackQueenSideCastle:
8931 case WhiteKingSideCastleWild:
8932 case WhiteQueenSideCastleWild:
8933 case BlackKingSideCastleWild:
8934 case BlackQueenSideCastleWild:
8936 case WhiteHSideCastleFR:
8937 case WhiteASideCastleFR:
8938 case BlackHSideCastleFR:
8939 case BlackASideCastleFR:
8941 fromX = currentMoveString[0] - AAA;
8942 fromY = currentMoveString[1] - ONE;
8943 toX = currentMoveString[2] - AAA;
8944 toY = currentMoveString[3] - ONE;
8945 promoChar = currentMoveString[4];
8949 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8950 fromX = moveType == WhiteDrop ?
8951 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8952 (int) CharToPiece(ToLower(currentMoveString[0]));
8954 toX = currentMoveString[2] - AAA;
8955 toY = currentMoveString[3] - ONE;
8956 promoChar = NULLCHAR;
8960 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8961 if (appData.debugMode) {
8962 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8963 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8964 setbuf(debugFP, NULL);
8966 DisplayError(buf, 0);
8968 case ImpossibleMove:
8970 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8971 if (appData.debugMode) {
8972 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8973 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8974 setbuf(debugFP, NULL);
8976 DisplayError(buf, 0);
8979 if (boardIndex < backwardMostMove) {
8980 /* Oops, gap. How did that happen? */
8981 DisplayError(_("Gap in move list"), 0);
8984 backwardMostMove = blackPlaysFirst ? 1 : 0;
8985 if (boardIndex > forwardMostMove) {
8986 forwardMostMove = boardIndex;
8990 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8991 strcat(parseList[boardIndex-1], " ");
8992 strcat(parseList[boardIndex-1], yy_text);
9004 case GameUnfinished:
9005 if (gameMode == IcsExamining) {
9006 if (boardIndex < backwardMostMove) {
9007 /* Oops, gap. How did that happen? */
9010 backwardMostMove = blackPlaysFirst ? 1 : 0;
9013 gameInfo.result = moveType;
9014 p = strchr(yy_text, '{');
9015 if (p == NULL) p = strchr(yy_text, '(');
9018 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9020 q = strchr(p, *p == '{' ? '}' : ')');
9021 if (q != NULL) *q = NULLCHAR;
9024 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9025 gameInfo.resultDetails = StrSave(p);
9028 if (boardIndex >= forwardMostMove &&
9029 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9030 backwardMostMove = blackPlaysFirst ? 1 : 0;
9033 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9034 fromY, fromX, toY, toX, promoChar,
9035 parseList[boardIndex]);
9036 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9037 /* currentMoveString is set as a side-effect of yylex */
9038 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9039 strcat(moveList[boardIndex], "\n");
9041 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9042 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9048 if(gameInfo.variant != VariantShogi)
9049 strcat(parseList[boardIndex - 1], "+");
9053 strcat(parseList[boardIndex - 1], "#");
9060 /* Apply a move to the given board */
9062 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9063 int fromX, fromY, toX, toY;
9067 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9068 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9070 /* [HGM] compute & store e.p. status and castling rights for new position */
9071 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9073 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9074 oldEP = (signed char)board[EP_STATUS];
9075 board[EP_STATUS] = EP_NONE;
9077 if (fromY == DROP_RANK) {
9079 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9080 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9083 piece = board[toY][toX] = (ChessSquare) fromX;
9087 if( board[toY][toX] != EmptySquare )
9088 board[EP_STATUS] = EP_CAPTURE;
9090 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9091 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9092 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9094 if( board[fromY][fromX] == WhitePawn ) {
9095 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9096 board[EP_STATUS] = EP_PAWN_MOVE;
9098 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9099 gameInfo.variant != VariantBerolina || toX < fromX)
9100 board[EP_STATUS] = toX | berolina;
9101 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9102 gameInfo.variant != VariantBerolina || toX > fromX)
9103 board[EP_STATUS] = toX;
9106 if( board[fromY][fromX] == BlackPawn ) {
9107 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9108 board[EP_STATUS] = EP_PAWN_MOVE;
9109 if( toY-fromY== -2) {
9110 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9111 gameInfo.variant != VariantBerolina || toX < fromX)
9112 board[EP_STATUS] = toX | berolina;
9113 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9114 gameInfo.variant != VariantBerolina || toX > fromX)
9115 board[EP_STATUS] = toX;
9119 for(i=0; i<nrCastlingRights; i++) {
9120 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9121 board[CASTLING][i] == toX && castlingRank[i] == toY
9122 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9125 if (fromX == toX && fromY == toY) return;
9127 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9128 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9129 if(gameInfo.variant == VariantKnightmate)
9130 king += (int) WhiteUnicorn - (int) WhiteKing;
9132 /* Code added by Tord: */
9133 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9134 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9135 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9136 board[fromY][fromX] = EmptySquare;
9137 board[toY][toX] = EmptySquare;
9138 if((toX > fromX) != (piece == WhiteRook)) {
9139 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9141 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9143 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9144 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9145 board[fromY][fromX] = EmptySquare;
9146 board[toY][toX] = EmptySquare;
9147 if((toX > fromX) != (piece == BlackRook)) {
9148 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9150 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9152 /* End of code added by Tord */
9154 } else if (board[fromY][fromX] == king
9155 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9156 && toY == fromY && toX > fromX+1) {
9157 board[fromY][fromX] = EmptySquare;
9158 board[toY][toX] = king;
9159 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9160 board[fromY][BOARD_RGHT-1] = EmptySquare;
9161 } else if (board[fromY][fromX] == king
9162 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9163 && toY == fromY && toX < fromX-1) {
9164 board[fromY][fromX] = EmptySquare;
9165 board[toY][toX] = king;
9166 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9167 board[fromY][BOARD_LEFT] = EmptySquare;
9168 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9169 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9170 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9172 /* white pawn promotion */
9173 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9174 if(gameInfo.variant==VariantBughouse ||
9175 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9176 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9177 board[fromY][fromX] = EmptySquare;
9178 } else if ((fromY >= BOARD_HEIGHT>>1)
9180 && gameInfo.variant != VariantXiangqi
9181 && gameInfo.variant != VariantBerolina
9182 && (board[fromY][fromX] == WhitePawn)
9183 && (board[toY][toX] == EmptySquare)) {
9184 board[fromY][fromX] = EmptySquare;
9185 board[toY][toX] = WhitePawn;
9186 captured = board[toY - 1][toX];
9187 board[toY - 1][toX] = EmptySquare;
9188 } else if ((fromY == BOARD_HEIGHT-4)
9190 && gameInfo.variant == VariantBerolina
9191 && (board[fromY][fromX] == WhitePawn)
9192 && (board[toY][toX] == EmptySquare)) {
9193 board[fromY][fromX] = EmptySquare;
9194 board[toY][toX] = WhitePawn;
9195 if(oldEP & EP_BEROLIN_A) {
9196 captured = board[fromY][fromX-1];
9197 board[fromY][fromX-1] = EmptySquare;
9198 }else{ captured = board[fromY][fromX+1];
9199 board[fromY][fromX+1] = EmptySquare;
9201 } else if (board[fromY][fromX] == king
9202 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9203 && toY == fromY && toX > fromX+1) {
9204 board[fromY][fromX] = EmptySquare;
9205 board[toY][toX] = king;
9206 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9207 board[fromY][BOARD_RGHT-1] = EmptySquare;
9208 } else if (board[fromY][fromX] == king
9209 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9210 && toY == fromY && toX < fromX-1) {
9211 board[fromY][fromX] = EmptySquare;
9212 board[toY][toX] = king;
9213 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9214 board[fromY][BOARD_LEFT] = EmptySquare;
9215 } else if (fromY == 7 && fromX == 3
9216 && board[fromY][fromX] == BlackKing
9217 && toY == 7 && toX == 5) {
9218 board[fromY][fromX] = EmptySquare;
9219 board[toY][toX] = BlackKing;
9220 board[fromY][7] = EmptySquare;
9221 board[toY][4] = BlackRook;
9222 } else if (fromY == 7 && fromX == 3
9223 && board[fromY][fromX] == BlackKing
9224 && toY == 7 && toX == 1) {
9225 board[fromY][fromX] = EmptySquare;
9226 board[toY][toX] = BlackKing;
9227 board[fromY][0] = EmptySquare;
9228 board[toY][2] = BlackRook;
9229 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9230 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9231 && toY < promoRank && promoChar
9233 /* black pawn promotion */
9234 board[toY][toX] = CharToPiece(ToLower(promoChar));
9235 if(gameInfo.variant==VariantBughouse ||
9236 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9237 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9238 board[fromY][fromX] = EmptySquare;
9239 } else if ((fromY < BOARD_HEIGHT>>1)
9241 && gameInfo.variant != VariantXiangqi
9242 && gameInfo.variant != VariantBerolina
9243 && (board[fromY][fromX] == BlackPawn)
9244 && (board[toY][toX] == EmptySquare)) {
9245 board[fromY][fromX] = EmptySquare;
9246 board[toY][toX] = BlackPawn;
9247 captured = board[toY + 1][toX];
9248 board[toY + 1][toX] = EmptySquare;
9249 } else if ((fromY == 3)
9251 && gameInfo.variant == VariantBerolina
9252 && (board[fromY][fromX] == BlackPawn)
9253 && (board[toY][toX] == EmptySquare)) {
9254 board[fromY][fromX] = EmptySquare;
9255 board[toY][toX] = BlackPawn;
9256 if(oldEP & EP_BEROLIN_A) {
9257 captured = board[fromY][fromX-1];
9258 board[fromY][fromX-1] = EmptySquare;
9259 }else{ captured = board[fromY][fromX+1];
9260 board[fromY][fromX+1] = EmptySquare;
9263 board[toY][toX] = board[fromY][fromX];
9264 board[fromY][fromX] = EmptySquare;
9268 if (gameInfo.holdingsWidth != 0) {
9270 /* !!A lot more code needs to be written to support holdings */
9271 /* [HGM] OK, so I have written it. Holdings are stored in the */
9272 /* penultimate board files, so they are automaticlly stored */
9273 /* in the game history. */
9274 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9275 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9276 /* Delete from holdings, by decreasing count */
9277 /* and erasing image if necessary */
9278 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9279 if(p < (int) BlackPawn) { /* white drop */
9280 p -= (int)WhitePawn;
9281 p = PieceToNumber((ChessSquare)p);
9282 if(p >= gameInfo.holdingsSize) p = 0;
9283 if(--board[p][BOARD_WIDTH-2] <= 0)
9284 board[p][BOARD_WIDTH-1] = EmptySquare;
9285 if((int)board[p][BOARD_WIDTH-2] < 0)
9286 board[p][BOARD_WIDTH-2] = 0;
9287 } else { /* black drop */
9288 p -= (int)BlackPawn;
9289 p = PieceToNumber((ChessSquare)p);
9290 if(p >= gameInfo.holdingsSize) p = 0;
9291 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9292 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9293 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9294 board[BOARD_HEIGHT-1-p][1] = 0;
9297 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9298 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9299 /* [HGM] holdings: Add to holdings, if holdings exist */
9300 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9301 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9302 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9305 if (p >= (int) BlackPawn) {
9306 p -= (int)BlackPawn;
9307 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9308 /* in Shogi restore piece to its original first */
9309 captured = (ChessSquare) (DEMOTED captured);
9312 p = PieceToNumber((ChessSquare)p);
9313 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9314 board[p][BOARD_WIDTH-2]++;
9315 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9317 p -= (int)WhitePawn;
9318 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9319 captured = (ChessSquare) (DEMOTED captured);
9322 p = PieceToNumber((ChessSquare)p);
9323 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9324 board[BOARD_HEIGHT-1-p][1]++;
9325 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9328 } else if (gameInfo.variant == VariantAtomic) {
9329 if (captured != EmptySquare) {
9331 for (y = toY-1; y <= toY+1; y++) {
9332 for (x = toX-1; x <= toX+1; x++) {
9333 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9334 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9335 board[y][x] = EmptySquare;
9339 board[toY][toX] = EmptySquare;
9342 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9343 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9345 if(promoChar == '+') {
9346 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9347 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9348 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9349 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9351 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9352 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9353 // [HGM] superchess: take promotion piece out of holdings
9354 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9355 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9356 if(!--board[k][BOARD_WIDTH-2])
9357 board[k][BOARD_WIDTH-1] = EmptySquare;
9359 if(!--board[BOARD_HEIGHT-1-k][1])
9360 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9366 /* Updates forwardMostMove */
9368 MakeMove(fromX, fromY, toX, toY, promoChar)
9369 int fromX, fromY, toX, toY;
9372 // forwardMostMove++; // [HGM] bare: moved downstream
9374 (void) CoordsToAlgebraic(boards[forwardMostMove],
9375 PosFlags(forwardMostMove),
9376 fromY, fromX, toY, toX, promoChar,
9377 parseList[forwardMostMove]);
9379 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9380 int timeLeft; static int lastLoadFlag=0; int king, piece;
9381 piece = boards[forwardMostMove][fromY][fromX];
9382 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9383 if(gameInfo.variant == VariantKnightmate)
9384 king += (int) WhiteUnicorn - (int) WhiteKing;
9385 if(forwardMostMove == 0) {
9386 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9387 fprintf(serverMoves, "%s;", UserName());
9388 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9389 fprintf(serverMoves, "%s;", second.tidy);
9390 fprintf(serverMoves, "%s;", first.tidy);
9391 if(gameMode == MachinePlaysWhite)
9392 fprintf(serverMoves, "%s;", UserName());
9393 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9394 fprintf(serverMoves, "%s;", second.tidy);
9395 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9396 lastLoadFlag = loadFlag;
9398 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9399 // print castling suffix
9400 if( toY == fromY && piece == king ) {
9402 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9404 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9407 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9408 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9409 boards[forwardMostMove][toY][toX] == EmptySquare
9410 && fromX != toX && fromY != toY)
9411 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9413 if(promoChar != NULLCHAR)
9414 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9416 char buf[MOVE_LEN*2], *p; int len;
9417 fprintf(serverMoves, "/%d/%d",
9418 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9419 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9420 else timeLeft = blackTimeRemaining/1000;
9421 fprintf(serverMoves, "/%d", timeLeft);
9422 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9423 if(p = strchr(buf, '=')) *p = NULLCHAR;
9424 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9425 fprintf(serverMoves, "/%s", buf);
9427 fflush(serverMoves);
9430 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9431 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9434 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9435 if (commentList[forwardMostMove+1] != NULL) {
9436 free(commentList[forwardMostMove+1]);
9437 commentList[forwardMostMove+1] = NULL;
9439 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9440 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9441 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9442 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9443 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9444 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9445 adjustedClock = FALSE;
9446 gameInfo.result = GameUnfinished;
9447 if (gameInfo.resultDetails != NULL) {
9448 free(gameInfo.resultDetails);
9449 gameInfo.resultDetails = NULL;
9451 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9452 moveList[forwardMostMove - 1]);
9453 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9459 if(gameInfo.variant != VariantShogi)
9460 strcat(parseList[forwardMostMove - 1], "+");
9464 strcat(parseList[forwardMostMove - 1], "#");
9467 if (appData.debugMode) {
9468 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9473 /* Updates currentMove if not pausing */
9475 ShowMove(fromX, fromY, toX, toY)
9477 int instant = (gameMode == PlayFromGameFile) ?
9478 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9479 if(appData.noGUI) return;
9480 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9482 if (forwardMostMove == currentMove + 1) {
9483 AnimateMove(boards[forwardMostMove - 1],
9484 fromX, fromY, toX, toY);
9486 if (appData.highlightLastMove) {
9487 SetHighlights(fromX, fromY, toX, toY);
9490 currentMove = forwardMostMove;
9493 if (instant) return;
9495 DisplayMove(currentMove - 1);
9496 DrawPosition(FALSE, boards[currentMove]);
9497 DisplayBothClocks();
9498 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9501 void SendEgtPath(ChessProgramState *cps)
9502 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9503 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9505 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9508 char c, *q = name+1, *r, *s;
9510 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9511 while(*p && *p != ',') *q++ = *p++;
9513 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9514 strcmp(name, ",nalimov:") == 0 ) {
9515 // take nalimov path from the menu-changeable option first, if it is defined
9516 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9517 SendToProgram(buf,cps); // send egtbpath command for nalimov
9519 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9520 (s = StrStr(appData.egtFormats, name)) != NULL) {
9521 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9522 s = r = StrStr(s, ":") + 1; // beginning of path info
9523 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9524 c = *r; *r = 0; // temporarily null-terminate path info
9525 *--q = 0; // strip of trailig ':' from name
9526 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9528 SendToProgram(buf,cps); // send egtbpath command for this format
9530 if(*p == ',') p++; // read away comma to position for next format name
9535 InitChessProgram(cps, setup)
9536 ChessProgramState *cps;
9537 int setup; /* [HGM] needed to setup FRC opening position */
9539 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9540 if (appData.noChessProgram) return;
9541 hintRequested = FALSE;
9542 bookRequested = FALSE;
9544 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9545 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9546 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9547 if(cps->memSize) { /* [HGM] memory */
9548 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9549 SendToProgram(buf, cps);
9551 SendEgtPath(cps); /* [HGM] EGT */
9552 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9553 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9554 SendToProgram(buf, cps);
9557 SendToProgram(cps->initString, cps);
9558 if (gameInfo.variant != VariantNormal &&
9559 gameInfo.variant != VariantLoadable
9560 /* [HGM] also send variant if board size non-standard */
9561 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9563 char *v = VariantName(gameInfo.variant);
9564 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9565 /* [HGM] in protocol 1 we have to assume all variants valid */
9566 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9567 DisplayFatalError(buf, 0, 1);
9571 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9572 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9573 if( gameInfo.variant == VariantXiangqi )
9574 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9575 if( gameInfo.variant == VariantShogi )
9576 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9577 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9578 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9579 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9580 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9581 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9582 if( gameInfo.variant == VariantCourier )
9583 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9584 if( gameInfo.variant == VariantSuper )
9585 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9586 if( gameInfo.variant == VariantGreat )
9587 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9588 if( gameInfo.variant == VariantSChess )
9589 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9590 if( gameInfo.variant == VariantGrand )
9591 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9594 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9595 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9596 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9597 if(StrStr(cps->variants, b) == NULL) {
9598 // specific sized variant not known, check if general sizing allowed
9599 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9600 if(StrStr(cps->variants, "boardsize") == NULL) {
9601 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9602 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9603 DisplayFatalError(buf, 0, 1);
9606 /* [HGM] here we really should compare with the maximum supported board size */
9609 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9610 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9611 SendToProgram(buf, cps);
9613 currentlyInitializedVariant = gameInfo.variant;
9615 /* [HGM] send opening position in FRC to first engine */
9617 SendToProgram("force\n", cps);
9619 /* engine is now in force mode! Set flag to wake it up after first move. */
9620 setboardSpoiledMachineBlack = 1;
9624 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9625 SendToProgram(buf, cps);
9627 cps->maybeThinking = FALSE;
9628 cps->offeredDraw = 0;
9629 if (!appData.icsActive) {
9630 SendTimeControl(cps, movesPerSession, timeControl,
9631 timeIncrement, appData.searchDepth,
9634 if (appData.showThinking
9635 // [HGM] thinking: four options require thinking output to be sent
9636 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9638 SendToProgram("post\n", cps);
9640 SendToProgram("hard\n", cps);
9641 if (!appData.ponderNextMove) {
9642 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9643 it without being sure what state we are in first. "hard"
9644 is not a toggle, so that one is OK.
9646 SendToProgram("easy\n", cps);
9649 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9650 SendToProgram(buf, cps);
9652 cps->initDone = TRUE;
9653 ClearEngineOutputPane(cps == &second);
9658 StartChessProgram(cps)
9659 ChessProgramState *cps;
9664 if (appData.noChessProgram) return;
9665 cps->initDone = FALSE;
9667 if (strcmp(cps->host, "localhost") == 0) {
9668 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9669 } else if (*appData.remoteShell == NULLCHAR) {
9670 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9672 if (*appData.remoteUser == NULLCHAR) {
9673 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9676 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9677 cps->host, appData.remoteUser, cps->program);
9679 err = StartChildProcess(buf, "", &cps->pr);
9683 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9684 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9685 if(cps != &first) return;
9686 appData.noChessProgram = TRUE;
9689 // DisplayFatalError(buf, err, 1);
9690 // cps->pr = NoProc;
9695 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9696 if (cps->protocolVersion > 1) {
9697 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9698 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9699 cps->comboCnt = 0; // and values of combo boxes
9700 SendToProgram(buf, cps);
9702 SendToProgram("xboard\n", cps);
9707 TwoMachinesEventIfReady P((void))
9709 static int curMess = 0;
9710 if (first.lastPing != first.lastPong) {
9711 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9712 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9715 if (second.lastPing != second.lastPong) {
9716 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9717 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9720 DisplayMessage("", ""); curMess = 0;
9726 MakeName(char *template)
9730 static char buf[MSG_SIZ];
9734 clock = time((time_t *)NULL);
9735 tm = localtime(&clock);
9737 while(*p++ = *template++) if(p[-1] == '%') {
9738 switch(*template++) {
9739 case 0: *p = 0; return buf;
9740 case 'Y': i = tm->tm_year+1900; break;
9741 case 'y': i = tm->tm_year-100; break;
9742 case 'M': i = tm->tm_mon+1; break;
9743 case 'd': i = tm->tm_mday; break;
9744 case 'h': i = tm->tm_hour; break;
9745 case 'm': i = tm->tm_min; break;
9746 case 's': i = tm->tm_sec; break;
9749 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9755 CountPlayers(char *p)
9758 while(p = strchr(p, '\n')) p++, n++; // count participants
9763 WriteTourneyFile(char *results, FILE *f)
9764 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9765 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9766 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9767 // create a file with tournament description
9768 fprintf(f, "-participants {%s}\n", appData.participants);
9769 fprintf(f, "-seedBase %d\n", appData.seedBase);
9770 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9771 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9772 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9773 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9774 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9775 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9776 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9777 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9778 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9779 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9780 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9781 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9783 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9785 fprintf(f, "-mps %d\n", appData.movesPerSession);
9786 fprintf(f, "-tc %s\n", appData.timeControl);
9787 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9789 fprintf(f, "-results \"%s\"\n", results);
9794 #define MAXENGINES 1000
9795 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9797 void Substitute(char *participants, int expunge)
9799 int i, changed, changes=0, nPlayers=0;
9800 char *p, *q, *r, buf[MSG_SIZ];
9801 if(participants == NULL) return;
9802 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9803 r = p = participants; q = appData.participants;
9804 while(*p && *p == *q) {
9805 if(*p == '\n') r = p+1, nPlayers++;
9808 if(*p) { // difference
9809 while(*p && *p++ != '\n');
9810 while(*q && *q++ != '\n');
9812 changes = 1 + (strcmp(p, q) != 0);
9814 if(changes == 1) { // a single engine mnemonic was changed
9815 q = r; while(*q) nPlayers += (*q++ == '\n');
9816 p = buf; while(*r && (*p = *r++) != '\n') p++;
9818 NamesToList(firstChessProgramNames, command, mnemonic);
9819 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9820 if(mnemonic[i]) { // The substitute is valid
9822 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9823 flock(fileno(f), LOCK_EX);
9824 ParseArgsFromFile(f);
9825 fseek(f, 0, SEEK_SET);
9826 FREE(appData.participants); appData.participants = participants;
9827 if(expunge) { // erase results of replaced engine
9828 int len = strlen(appData.results), w, b, dummy;
9829 for(i=0; i<len; i++) {
9830 Pairing(i, nPlayers, &w, &b, &dummy);
9831 if((w == changed || b == changed) && appData.results[i] == '*') {
9832 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9837 for(i=0; i<len; i++) {
9838 Pairing(i, nPlayers, &w, &b, &dummy);
9839 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9842 WriteTourneyFile(appData.results, f);
9843 fclose(f); // release lock
9846 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9848 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9849 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9855 CreateTourney(char *name)
9858 if(matchMode && strcmp(name, appData.tourneyFile)) {
9859 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9861 if(name[0] == NULLCHAR) {
9862 if(appData.participants[0])
9863 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9866 f = fopen(name, "r");
9867 if(f) { // file exists
9868 ASSIGN(appData.tourneyFile, name);
9869 ParseArgsFromFile(f); // parse it
9871 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9872 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9873 DisplayError(_("Not enough participants"), 0);
9876 ASSIGN(appData.tourneyFile, name);
9877 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9878 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9881 appData.noChessProgram = FALSE;
9882 appData.clockMode = TRUE;
9887 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9889 char buf[MSG_SIZ], *p, *q;
9893 while(*p && *p != '\n') *q++ = *p++;
9895 if(engineList[i]) free(engineList[i]);
9896 engineList[i] = strdup(buf);
9898 TidyProgramName(engineList[i], "localhost", buf);
9899 if(engineMnemonic[i]) free(engineMnemonic[i]);
9900 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9902 sscanf(q + 8, "%s", buf + strlen(buf));
9905 engineMnemonic[i] = strdup(buf);
9907 if(i > MAXENGINES - 2) break;
9909 engineList[i] = engineMnemonic[i] = NULL;
9912 // following implemented as macro to avoid type limitations
9913 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9915 void SwapEngines(int n)
9916 { // swap settings for first engine and other engine (so far only some selected options)
9921 SWAP(chessProgram, p)
9923 SWAP(hasOwnBookUCI, h)
9924 SWAP(protocolVersion, h)
9926 SWAP(scoreIsAbsolute, h)
9935 SetPlayer(int player)
9936 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9938 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9939 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9940 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9941 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9943 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9944 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9945 appData.firstHasOwnBookUCI = !appData.defNoBook;
9946 ParseArgsFromString(buf);
9952 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9953 { // determine players from game number
9954 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9956 if(appData.tourneyType == 0) {
9957 roundsPerCycle = (nPlayers - 1) | 1;
9958 pairingsPerRound = nPlayers / 2;
9959 } else if(appData.tourneyType > 0) {
9960 roundsPerCycle = nPlayers - appData.tourneyType;
9961 pairingsPerRound = appData.tourneyType;
9963 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9964 gamesPerCycle = gamesPerRound * roundsPerCycle;
9965 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9966 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9967 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9968 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9969 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9970 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9972 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9973 if(appData.roundSync) *syncInterval = gamesPerRound;
9975 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9977 if(appData.tourneyType == 0) {
9978 if(curPairing == (nPlayers-1)/2 ) {
9979 *whitePlayer = curRound;
9980 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9982 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9983 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9984 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9985 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9987 } else if(appData.tourneyType > 0) {
9988 *whitePlayer = curPairing;
9989 *blackPlayer = curRound + appData.tourneyType;
9992 // take care of white/black alternation per round.
9993 // For cycles and games this is already taken care of by default, derived from matchGame!
9994 return curRound & 1;
9998 NextTourneyGame(int nr, int *swapColors)
9999 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10001 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10003 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10004 tf = fopen(appData.tourneyFile, "r");
10005 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10006 ParseArgsFromFile(tf); fclose(tf);
10007 InitTimeControls(); // TC might be altered from tourney file
10009 nPlayers = CountPlayers(appData.participants); // count participants
10010 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10011 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10014 p = q = appData.results;
10015 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10016 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10017 DisplayMessage(_("Waiting for other game(s)"),"");
10018 waitingForGame = TRUE;
10019 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10022 waitingForGame = FALSE;
10025 if(appData.tourneyType < 0) {
10026 if(nr>=0 && !pairingReceived) {
10028 if(pairing.pr == NoProc) {
10029 if(!appData.pairingEngine[0]) {
10030 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10033 StartChessProgram(&pairing); // starts the pairing engine
10035 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10036 SendToProgram(buf, &pairing);
10037 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10038 SendToProgram(buf, &pairing);
10039 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10041 pairingReceived = 0; // ... so we continue here
10043 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10044 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10045 matchGame = 1; roundNr = nr / syncInterval + 1;
10048 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10050 // redefine engines, engine dir, etc.
10051 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10052 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10054 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10055 SwapEngines(1); // and make that valid for second engine by swapping
10056 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10057 InitEngine(&second, 1);
10058 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10059 UpdateLogos(FALSE); // leave display to ModeHiglight()
10065 { // performs game initialization that does not invoke engines, and then tries to start the game
10066 int res, firstWhite, swapColors = 0;
10067 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10068 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10069 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10070 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10071 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10072 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10073 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10074 Reset(FALSE, first.pr != NoProc);
10075 res = LoadGameOrPosition(matchGame); // setup game
10076 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10077 if(!res) return; // abort when bad game/pos file
10078 TwoMachinesEvent();
10081 void UserAdjudicationEvent( int result )
10083 ChessMove gameResult = GameIsDrawn;
10086 gameResult = WhiteWins;
10088 else if( result < 0 ) {
10089 gameResult = BlackWins;
10092 if( gameMode == TwoMachinesPlay ) {
10093 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10098 // [HGM] save: calculate checksum of game to make games easily identifiable
10099 int StringCheckSum(char *s)
10102 if(s==NULL) return 0;
10103 while(*s) i = i*259 + *s++;
10110 for(i=backwardMostMove; i<forwardMostMove; i++) {
10111 sum += pvInfoList[i].depth;
10112 sum += StringCheckSum(parseList[i]);
10113 sum += StringCheckSum(commentList[i]);
10116 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10117 return sum + StringCheckSum(commentList[i]);
10118 } // end of save patch
10121 GameEnds(result, resultDetails, whosays)
10123 char *resultDetails;
10126 GameMode nextGameMode;
10128 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10130 if(endingGame) return; /* [HGM] crash: forbid recursion */
10132 if(twoBoards) { // [HGM] dual: switch back to one board
10133 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10134 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10136 if (appData.debugMode) {
10137 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10138 result, resultDetails ? resultDetails : "(null)", whosays);
10141 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10143 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10144 /* If we are playing on ICS, the server decides when the
10145 game is over, but the engine can offer to draw, claim
10149 if (appData.zippyPlay && first.initDone) {
10150 if (result == GameIsDrawn) {
10151 /* In case draw still needs to be claimed */
10152 SendToICS(ics_prefix);
10153 SendToICS("draw\n");
10154 } else if (StrCaseStr(resultDetails, "resign")) {
10155 SendToICS(ics_prefix);
10156 SendToICS("resign\n");
10160 endingGame = 0; /* [HGM] crash */
10164 /* If we're loading the game from a file, stop */
10165 if (whosays == GE_FILE) {
10166 (void) StopLoadGameTimer();
10170 /* Cancel draw offers */
10171 first.offeredDraw = second.offeredDraw = 0;
10173 /* If this is an ICS game, only ICS can really say it's done;
10174 if not, anyone can. */
10175 isIcsGame = (gameMode == IcsPlayingWhite ||
10176 gameMode == IcsPlayingBlack ||
10177 gameMode == IcsObserving ||
10178 gameMode == IcsExamining);
10180 if (!isIcsGame || whosays == GE_ICS) {
10181 /* OK -- not an ICS game, or ICS said it was done */
10183 if (!isIcsGame && !appData.noChessProgram)
10184 SetUserThinkingEnables();
10186 /* [HGM] if a machine claims the game end we verify this claim */
10187 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10188 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10190 ChessMove trueResult = (ChessMove) -1;
10192 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10193 first.twoMachinesColor[0] :
10194 second.twoMachinesColor[0] ;
10196 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10197 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10198 /* [HGM] verify: engine mate claims accepted if they were flagged */
10199 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10201 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10202 /* [HGM] verify: engine mate claims accepted if they were flagged */
10203 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10205 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10206 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10209 // now verify win claims, but not in drop games, as we don't understand those yet
10210 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10211 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10212 (result == WhiteWins && claimer == 'w' ||
10213 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10214 if (appData.debugMode) {
10215 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10216 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10218 if(result != trueResult) {
10219 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10220 result = claimer == 'w' ? BlackWins : WhiteWins;
10221 resultDetails = buf;
10224 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10225 && (forwardMostMove <= backwardMostMove ||
10226 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10227 (claimer=='b')==(forwardMostMove&1))
10229 /* [HGM] verify: draws that were not flagged are false claims */
10230 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10231 result = claimer == 'w' ? BlackWins : WhiteWins;
10232 resultDetails = buf;
10234 /* (Claiming a loss is accepted no questions asked!) */
10236 /* [HGM] bare: don't allow bare King to win */
10237 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10238 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10239 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10240 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10241 && result != GameIsDrawn)
10242 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10243 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10244 int p = (signed char)boards[forwardMostMove][i][j] - color;
10245 if(p >= 0 && p <= (int)WhiteKing) k++;
10247 if (appData.debugMode) {
10248 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10249 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10252 result = GameIsDrawn;
10253 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10254 resultDetails = buf;
10260 if(serverMoves != NULL && !loadFlag) { char c = '=';
10261 if(result==WhiteWins) c = '+';
10262 if(result==BlackWins) c = '-';
10263 if(resultDetails != NULL)
10264 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10266 if (resultDetails != NULL) {
10267 gameInfo.result = result;
10268 gameInfo.resultDetails = StrSave(resultDetails);
10270 /* display last move only if game was not loaded from file */
10271 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10272 DisplayMove(currentMove - 1);
10274 if (forwardMostMove != 0) {
10275 if (gameMode != PlayFromGameFile && gameMode != EditGame
10276 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10278 if (*appData.saveGameFile != NULLCHAR) {
10279 SaveGameToFile(appData.saveGameFile, TRUE);
10280 } else if (appData.autoSaveGames) {
10283 if (*appData.savePositionFile != NULLCHAR) {
10284 SavePositionToFile(appData.savePositionFile);
10289 /* Tell program how game ended in case it is learning */
10290 /* [HGM] Moved this to after saving the PGN, just in case */
10291 /* engine died and we got here through time loss. In that */
10292 /* case we will get a fatal error writing the pipe, which */
10293 /* would otherwise lose us the PGN. */
10294 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10295 /* output during GameEnds should never be fatal anymore */
10296 if (gameMode == MachinePlaysWhite ||
10297 gameMode == MachinePlaysBlack ||
10298 gameMode == TwoMachinesPlay ||
10299 gameMode == IcsPlayingWhite ||
10300 gameMode == IcsPlayingBlack ||
10301 gameMode == BeginningOfGame) {
10303 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10305 if (first.pr != NoProc) {
10306 SendToProgram(buf, &first);
10308 if (second.pr != NoProc &&
10309 gameMode == TwoMachinesPlay) {
10310 SendToProgram(buf, &second);
10315 if (appData.icsActive) {
10316 if (appData.quietPlay &&
10317 (gameMode == IcsPlayingWhite ||
10318 gameMode == IcsPlayingBlack)) {
10319 SendToICS(ics_prefix);
10320 SendToICS("set shout 1\n");
10322 nextGameMode = IcsIdle;
10323 ics_user_moved = FALSE;
10324 /* clean up premove. It's ugly when the game has ended and the
10325 * premove highlights are still on the board.
10328 gotPremove = FALSE;
10329 ClearPremoveHighlights();
10330 DrawPosition(FALSE, boards[currentMove]);
10332 if (whosays == GE_ICS) {
10335 if (gameMode == IcsPlayingWhite)
10337 else if(gameMode == IcsPlayingBlack)
10338 PlayIcsLossSound();
10341 if (gameMode == IcsPlayingBlack)
10343 else if(gameMode == IcsPlayingWhite)
10344 PlayIcsLossSound();
10347 PlayIcsDrawSound();
10350 PlayIcsUnfinishedSound();
10353 } else if (gameMode == EditGame ||
10354 gameMode == PlayFromGameFile ||
10355 gameMode == AnalyzeMode ||
10356 gameMode == AnalyzeFile) {
10357 nextGameMode = gameMode;
10359 nextGameMode = EndOfGame;
10364 nextGameMode = gameMode;
10367 if (appData.noChessProgram) {
10368 gameMode = nextGameMode;
10370 endingGame = 0; /* [HGM] crash */
10375 /* Put first chess program into idle state */
10376 if (first.pr != NoProc &&
10377 (gameMode == MachinePlaysWhite ||
10378 gameMode == MachinePlaysBlack ||
10379 gameMode == TwoMachinesPlay ||
10380 gameMode == IcsPlayingWhite ||
10381 gameMode == IcsPlayingBlack ||
10382 gameMode == BeginningOfGame)) {
10383 SendToProgram("force\n", &first);
10384 if (first.usePing) {
10386 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10387 SendToProgram(buf, &first);
10390 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10391 /* Kill off first chess program */
10392 if (first.isr != NULL)
10393 RemoveInputSource(first.isr);
10396 if (first.pr != NoProc) {
10398 DoSleep( appData.delayBeforeQuit );
10399 SendToProgram("quit\n", &first);
10400 DoSleep( appData.delayAfterQuit );
10401 DestroyChildProcess(first.pr, first.useSigterm);
10405 if (second.reuse) {
10406 /* Put second chess program into idle state */
10407 if (second.pr != NoProc &&
10408 gameMode == TwoMachinesPlay) {
10409 SendToProgram("force\n", &second);
10410 if (second.usePing) {
10412 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10413 SendToProgram(buf, &second);
10416 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10417 /* Kill off second chess program */
10418 if (second.isr != NULL)
10419 RemoveInputSource(second.isr);
10422 if (second.pr != NoProc) {
10423 DoSleep( appData.delayBeforeQuit );
10424 SendToProgram("quit\n", &second);
10425 DoSleep( appData.delayAfterQuit );
10426 DestroyChildProcess(second.pr, second.useSigterm);
10428 second.pr = NoProc;
10431 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10432 char resChar = '=';
10436 if (first.twoMachinesColor[0] == 'w') {
10439 second.matchWins++;
10444 if (first.twoMachinesColor[0] == 'b') {
10447 second.matchWins++;
10450 case GameUnfinished:
10456 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10457 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10458 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10459 ReserveGame(nextGame, resChar); // sets nextGame
10460 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10461 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10462 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10464 if (nextGame <= appData.matchGames && !abortMatch) {
10465 gameMode = nextGameMode;
10466 matchGame = nextGame; // this will be overruled in tourney mode!
10467 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10468 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10469 endingGame = 0; /* [HGM] crash */
10472 gameMode = nextGameMode;
10473 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10474 first.tidy, second.tidy,
10475 first.matchWins, second.matchWins,
10476 appData.matchGames - (first.matchWins + second.matchWins));
10477 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10478 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10479 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10480 first.twoMachinesColor = "black\n";
10481 second.twoMachinesColor = "white\n";
10483 first.twoMachinesColor = "white\n";
10484 second.twoMachinesColor = "black\n";
10488 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10489 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10491 gameMode = nextGameMode;
10493 endingGame = 0; /* [HGM] crash */
10494 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10495 if(matchMode == TRUE) { // match through command line: exit with or without popup
10497 ToNrEvent(forwardMostMove);
10498 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10500 } else DisplayFatalError(buf, 0, 0);
10501 } else { // match through menu; just stop, with or without popup
10502 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10505 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10506 } else DisplayNote(buf);
10508 if(ranking) free(ranking);
10512 /* Assumes program was just initialized (initString sent).
10513 Leaves program in force mode. */
10515 FeedMovesToProgram(cps, upto)
10516 ChessProgramState *cps;
10521 if (appData.debugMode)
10522 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10523 startedFromSetupPosition ? "position and " : "",
10524 backwardMostMove, upto, cps->which);
10525 if(currentlyInitializedVariant != gameInfo.variant) {
10527 // [HGM] variantswitch: make engine aware of new variant
10528 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10529 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10530 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10531 SendToProgram(buf, cps);
10532 currentlyInitializedVariant = gameInfo.variant;
10534 SendToProgram("force\n", cps);
10535 if (startedFromSetupPosition) {
10536 SendBoard(cps, backwardMostMove);
10537 if (appData.debugMode) {
10538 fprintf(debugFP, "feedMoves\n");
10541 for (i = backwardMostMove; i < upto; i++) {
10542 SendMoveToProgram(i, cps);
10548 ResurrectChessProgram()
10550 /* The chess program may have exited.
10551 If so, restart it and feed it all the moves made so far. */
10552 static int doInit = 0;
10554 if (appData.noChessProgram) return 1;
10556 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10557 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10558 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10559 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10561 if (first.pr != NoProc) return 1;
10562 StartChessProgram(&first);
10564 InitChessProgram(&first, FALSE);
10565 FeedMovesToProgram(&first, currentMove);
10567 if (!first.sendTime) {
10568 /* can't tell gnuchess what its clock should read,
10569 so we bow to its notion. */
10571 timeRemaining[0][currentMove] = whiteTimeRemaining;
10572 timeRemaining[1][currentMove] = blackTimeRemaining;
10575 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10576 appData.icsEngineAnalyze) && first.analysisSupport) {
10577 SendToProgram("analyze\n", &first);
10578 first.analyzing = TRUE;
10584 * Button procedures
10587 Reset(redraw, init)
10592 if (appData.debugMode) {
10593 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10594 redraw, init, gameMode);
10596 CleanupTail(); // [HGM] vari: delete any stored variations
10597 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10598 pausing = pauseExamInvalid = FALSE;
10599 startedFromSetupPosition = blackPlaysFirst = FALSE;
10601 whiteFlag = blackFlag = FALSE;
10602 userOfferedDraw = FALSE;
10603 hintRequested = bookRequested = FALSE;
10604 first.maybeThinking = FALSE;
10605 second.maybeThinking = FALSE;
10606 first.bookSuspend = FALSE; // [HGM] book
10607 second.bookSuspend = FALSE;
10608 thinkOutput[0] = NULLCHAR;
10609 lastHint[0] = NULLCHAR;
10610 ClearGameInfo(&gameInfo);
10611 gameInfo.variant = StringToVariant(appData.variant);
10612 ics_user_moved = ics_clock_paused = FALSE;
10613 ics_getting_history = H_FALSE;
10615 white_holding[0] = black_holding[0] = NULLCHAR;
10616 ClearProgramStats();
10617 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10621 flipView = appData.flipView;
10622 ClearPremoveHighlights();
10623 gotPremove = FALSE;
10624 alarmSounded = FALSE;
10626 GameEnds(EndOfFile, NULL, GE_PLAYER);
10627 if(appData.serverMovesName != NULL) {
10628 /* [HGM] prepare to make moves file for broadcasting */
10629 clock_t t = clock();
10630 if(serverMoves != NULL) fclose(serverMoves);
10631 serverMoves = fopen(appData.serverMovesName, "r");
10632 if(serverMoves != NULL) {
10633 fclose(serverMoves);
10634 /* delay 15 sec before overwriting, so all clients can see end */
10635 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10637 serverMoves = fopen(appData.serverMovesName, "w");
10641 gameMode = BeginningOfGame;
10643 if(appData.icsActive) gameInfo.variant = VariantNormal;
10644 currentMove = forwardMostMove = backwardMostMove = 0;
10645 InitPosition(redraw);
10646 for (i = 0; i < MAX_MOVES; i++) {
10647 if (commentList[i] != NULL) {
10648 free(commentList[i]);
10649 commentList[i] = NULL;
10653 timeRemaining[0][0] = whiteTimeRemaining;
10654 timeRemaining[1][0] = blackTimeRemaining;
10656 if (first.pr == NoProc) {
10657 StartChessProgram(&first);
10660 InitChessProgram(&first, startedFromSetupPosition);
10663 DisplayMessage("", "");
10664 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10665 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10672 if (!AutoPlayOneMove())
10674 if (matchMode || appData.timeDelay == 0)
10676 if (appData.timeDelay < 0)
10678 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10687 int fromX, fromY, toX, toY;
10689 if (appData.debugMode) {
10690 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10693 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10696 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10697 pvInfoList[currentMove].depth = programStats.depth;
10698 pvInfoList[currentMove].score = programStats.score;
10699 pvInfoList[currentMove].time = 0;
10700 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10703 if (currentMove >= forwardMostMove) {
10704 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10705 // gameMode = EndOfGame;
10706 // ModeHighlight();
10708 /* [AS] Clear current move marker at the end of a game */
10709 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10714 toX = moveList[currentMove][2] - AAA;
10715 toY = moveList[currentMove][3] - ONE;
10717 if (moveList[currentMove][1] == '@') {
10718 if (appData.highlightLastMove) {
10719 SetHighlights(-1, -1, toX, toY);
10722 fromX = moveList[currentMove][0] - AAA;
10723 fromY = moveList[currentMove][1] - ONE;
10725 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10727 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10729 if (appData.highlightLastMove) {
10730 SetHighlights(fromX, fromY, toX, toY);
10733 DisplayMove(currentMove);
10734 SendMoveToProgram(currentMove++, &first);
10735 DisplayBothClocks();
10736 DrawPosition(FALSE, boards[currentMove]);
10737 // [HGM] PV info: always display, routine tests if empty
10738 DisplayComment(currentMove - 1, commentList[currentMove]);
10744 LoadGameOneMove(readAhead)
10745 ChessMove readAhead;
10747 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10748 char promoChar = NULLCHAR;
10749 ChessMove moveType;
10750 char move[MSG_SIZ];
10753 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10754 gameMode != AnalyzeMode && gameMode != Training) {
10759 yyboardindex = forwardMostMove;
10760 if (readAhead != EndOfFile) {
10761 moveType = readAhead;
10763 if (gameFileFP == NULL)
10765 moveType = (ChessMove) Myylex();
10769 switch (moveType) {
10771 if (appData.debugMode)
10772 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10775 /* append the comment but don't display it */
10776 AppendComment(currentMove, p, FALSE);
10779 case WhiteCapturesEnPassant:
10780 case BlackCapturesEnPassant:
10781 case WhitePromotion:
10782 case BlackPromotion:
10783 case WhiteNonPromotion:
10784 case BlackNonPromotion:
10786 case WhiteKingSideCastle:
10787 case WhiteQueenSideCastle:
10788 case BlackKingSideCastle:
10789 case BlackQueenSideCastle:
10790 case WhiteKingSideCastleWild:
10791 case WhiteQueenSideCastleWild:
10792 case BlackKingSideCastleWild:
10793 case BlackQueenSideCastleWild:
10795 case WhiteHSideCastleFR:
10796 case WhiteASideCastleFR:
10797 case BlackHSideCastleFR:
10798 case BlackASideCastleFR:
10800 if (appData.debugMode)
10801 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10802 fromX = currentMoveString[0] - AAA;
10803 fromY = currentMoveString[1] - ONE;
10804 toX = currentMoveString[2] - AAA;
10805 toY = currentMoveString[3] - ONE;
10806 promoChar = currentMoveString[4];
10811 if (appData.debugMode)
10812 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10813 fromX = moveType == WhiteDrop ?
10814 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10815 (int) CharToPiece(ToLower(currentMoveString[0]));
10817 toX = currentMoveString[2] - AAA;
10818 toY = currentMoveString[3] - ONE;
10824 case GameUnfinished:
10825 if (appData.debugMode)
10826 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10827 p = strchr(yy_text, '{');
10828 if (p == NULL) p = strchr(yy_text, '(');
10831 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10833 q = strchr(p, *p == '{' ? '}' : ')');
10834 if (q != NULL) *q = NULLCHAR;
10837 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10838 GameEnds(moveType, p, GE_FILE);
10840 if (cmailMsgLoaded) {
10842 flipView = WhiteOnMove(currentMove);
10843 if (moveType == GameUnfinished) flipView = !flipView;
10844 if (appData.debugMode)
10845 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10850 if (appData.debugMode)
10851 fprintf(debugFP, "Parser hit end of file\n");
10852 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10858 if (WhiteOnMove(currentMove)) {
10859 GameEnds(BlackWins, "Black mates", GE_FILE);
10861 GameEnds(WhiteWins, "White mates", GE_FILE);
10865 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10871 case MoveNumberOne:
10872 if (lastLoadGameStart == GNUChessGame) {
10873 /* GNUChessGames have numbers, but they aren't move numbers */
10874 if (appData.debugMode)
10875 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10876 yy_text, (int) moveType);
10877 return LoadGameOneMove(EndOfFile); /* tail recursion */
10879 /* else fall thru */
10884 /* Reached start of next game in file */
10885 if (appData.debugMode)
10886 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10887 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10893 if (WhiteOnMove(currentMove)) {
10894 GameEnds(BlackWins, "Black mates", GE_FILE);
10896 GameEnds(WhiteWins, "White mates", GE_FILE);
10900 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10906 case PositionDiagram: /* should not happen; ignore */
10907 case ElapsedTime: /* ignore */
10908 case NAG: /* ignore */
10909 if (appData.debugMode)
10910 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10911 yy_text, (int) moveType);
10912 return LoadGameOneMove(EndOfFile); /* tail recursion */
10915 if (appData.testLegality) {
10916 if (appData.debugMode)
10917 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10918 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10919 (forwardMostMove / 2) + 1,
10920 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10921 DisplayError(move, 0);
10924 if (appData.debugMode)
10925 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10926 yy_text, currentMoveString);
10927 fromX = currentMoveString[0] - AAA;
10928 fromY = currentMoveString[1] - ONE;
10929 toX = currentMoveString[2] - AAA;
10930 toY = currentMoveString[3] - ONE;
10931 promoChar = currentMoveString[4];
10935 case AmbiguousMove:
10936 if (appData.debugMode)
10937 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10938 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10939 (forwardMostMove / 2) + 1,
10940 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10941 DisplayError(move, 0);
10946 case ImpossibleMove:
10947 if (appData.debugMode)
10948 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10949 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10950 (forwardMostMove / 2) + 1,
10951 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10952 DisplayError(move, 0);
10958 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10959 DrawPosition(FALSE, boards[currentMove]);
10960 DisplayBothClocks();
10961 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10962 DisplayComment(currentMove - 1, commentList[currentMove]);
10964 (void) StopLoadGameTimer();
10966 cmailOldMove = forwardMostMove;
10969 /* currentMoveString is set as a side-effect of yylex */
10971 thinkOutput[0] = NULLCHAR;
10972 MakeMove(fromX, fromY, toX, toY, promoChar);
10973 currentMove = forwardMostMove;
10978 /* Load the nth game from the given file */
10980 LoadGameFromFile(filename, n, title, useList)
10984 /*Boolean*/ int useList;
10989 if (strcmp(filename, "-") == 0) {
10993 f = fopen(filename, "rb");
10995 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10996 DisplayError(buf, errno);
11000 if (fseek(f, 0, 0) == -1) {
11001 /* f is not seekable; probably a pipe */
11004 if (useList && n == 0) {
11005 int error = GameListBuild(f);
11007 DisplayError(_("Cannot build game list"), error);
11008 } else if (!ListEmpty(&gameList) &&
11009 ((ListGame *) gameList.tailPred)->number > 1) {
11010 GameListPopUp(f, title);
11017 return LoadGame(f, n, title, FALSE);
11022 MakeRegisteredMove()
11024 int fromX, fromY, toX, toY;
11026 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11027 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11030 if (appData.debugMode)
11031 fprintf(debugFP, "Restoring %s for game %d\n",
11032 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11034 thinkOutput[0] = NULLCHAR;
11035 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11036 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11037 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11038 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11039 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11040 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11041 MakeMove(fromX, fromY, toX, toY, promoChar);
11042 ShowMove(fromX, fromY, toX, toY);
11044 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11051 if (WhiteOnMove(currentMove)) {
11052 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11054 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11059 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11066 if (WhiteOnMove(currentMove)) {
11067 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11069 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11074 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11085 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11087 CmailLoadGame(f, gameNumber, title, useList)
11095 if (gameNumber > nCmailGames) {
11096 DisplayError(_("No more games in this message"), 0);
11099 if (f == lastLoadGameFP) {
11100 int offset = gameNumber - lastLoadGameNumber;
11102 cmailMsg[0] = NULLCHAR;
11103 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11104 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11105 nCmailMovesRegistered--;
11107 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11108 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11109 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11112 if (! RegisterMove()) return FALSE;
11116 retVal = LoadGame(f, gameNumber, title, useList);
11118 /* Make move registered during previous look at this game, if any */
11119 MakeRegisteredMove();
11121 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11122 commentList[currentMove]
11123 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11124 DisplayComment(currentMove - 1, commentList[currentMove]);
11130 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11135 int gameNumber = lastLoadGameNumber + offset;
11136 if (lastLoadGameFP == NULL) {
11137 DisplayError(_("No game has been loaded yet"), 0);
11140 if (gameNumber <= 0) {
11141 DisplayError(_("Can't back up any further"), 0);
11144 if (cmailMsgLoaded) {
11145 return CmailLoadGame(lastLoadGameFP, gameNumber,
11146 lastLoadGameTitle, lastLoadGameUseList);
11148 return LoadGame(lastLoadGameFP, gameNumber,
11149 lastLoadGameTitle, lastLoadGameUseList);
11153 int keys[EmptySquare+1];
11156 PositionMatches(Board b1, Board b2)
11159 switch(appData.searchMode) {
11160 case 1: return CompareWithRights(b1, b2);
11162 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11163 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11167 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11168 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11169 sum += keys[b1[r][f]] - keys[b2[r][f]];
11173 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11174 sum += keys[b1[r][f]] - keys[b2[r][f]];
11186 int pieceList[256], quickBoard[256];
11187 ChessSquare pieceType[256] = { EmptySquare };
11188 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11189 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11190 int soughtTotal, turn;
11191 Boolean epOK, flipSearch;
11194 unsigned char piece, to;
11197 #define DSIZE (250000)
11199 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11200 Move *moveDatabase = initialSpace;
11201 unsigned int movePtr, dataSize = DSIZE;
11203 int MakePieceList(Board board, int *counts)
11205 int r, f, n=Q_PROMO, total=0;
11206 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11207 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11208 int sq = f + (r<<4);
11209 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11210 quickBoard[sq] = ++n;
11212 pieceType[n] = board[r][f];
11213 counts[board[r][f]]++;
11214 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11215 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11219 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11223 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11225 int sq = fromX + (fromY<<4);
11226 int piece = quickBoard[sq];
11227 quickBoard[sq] = 0;
11228 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11229 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11230 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11231 moveDatabase[movePtr++].piece = Q_WCASTL;
11232 quickBoard[sq] = piece;
11233 piece = quickBoard[from]; quickBoard[from] = 0;
11234 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11236 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11237 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11238 moveDatabase[movePtr++].piece = Q_BCASTL;
11239 quickBoard[sq] = piece;
11240 piece = quickBoard[from]; quickBoard[from] = 0;
11241 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11243 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11244 quickBoard[(fromY<<4)+toX] = 0;
11245 moveDatabase[movePtr].piece = Q_EP;
11246 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11247 moveDatabase[movePtr].to = sq;
11249 if(promoPiece != pieceType[piece]) {
11250 moveDatabase[movePtr++].piece = Q_PROMO;
11251 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11253 moveDatabase[movePtr].piece = piece;
11254 quickBoard[sq] = piece;
11258 int PackGame(Board board)
11260 Move *newSpace = NULL;
11261 moveDatabase[movePtr].piece = 0; // terminate previous game
11262 if(movePtr > dataSize) {
11263 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11264 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11265 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11268 Move *p = moveDatabase, *q = newSpace;
11269 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11270 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11271 moveDatabase = newSpace;
11272 } else { // calloc failed, we must be out of memory. Too bad...
11273 dataSize = 0; // prevent calloc events for all subsequent games
11274 return 0; // and signal this one isn't cached
11278 MakePieceList(board, counts);
11282 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11283 { // compare according to search mode
11285 switch(appData.searchMode)
11287 case 1: // exact position match
11288 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11289 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11290 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11293 case 2: // can have extra material on empty squares
11294 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11295 if(board[r][f] == EmptySquare) continue;
11296 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11299 case 3: // material with exact Pawn structure
11300 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11301 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11302 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11303 } // fall through to material comparison
11304 case 4: // exact material
11305 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11307 case 6: // material range with given imbalance
11308 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11309 // fall through to range comparison
11310 case 5: // material range
11311 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11316 int QuickScan(Board board, Move *move)
11317 { // reconstruct game,and compare all positions in it
11318 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11320 int piece = move->piece;
11321 int to = move->to, from = pieceList[piece];
11322 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11323 if(!piece) return -1;
11324 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11325 piece = (++move)->piece;
11326 from = pieceList[piece];
11327 counts[pieceType[piece]]--;
11328 pieceType[piece] = (ChessSquare) move->to;
11329 counts[move->to]++;
11330 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11331 counts[pieceType[quickBoard[to]]]--;
11332 quickBoard[to] = 0; total--;
11335 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11336 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11337 from = pieceList[piece]; // so this must be King
11338 quickBoard[from] = 0;
11339 quickBoard[to] = piece;
11340 pieceList[piece] = to;
11345 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11346 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11347 quickBoard[from] = 0;
11348 quickBoard[to] = piece;
11349 pieceList[piece] = to;
11351 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11352 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11353 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11354 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11356 static int lastCounts[EmptySquare+1];
11358 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11359 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11360 } else stretch = 0;
11361 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11369 flipSearch = FALSE;
11370 CopyBoard(soughtBoard, boards[currentMove]);
11371 soughtTotal = MakePieceList(soughtBoard, maxSought);
11372 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11373 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11374 CopyBoard(reverseBoard, boards[currentMove]);
11375 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11376 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11377 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11378 reverseBoard[r][f] = piece;
11380 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11381 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11382 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11383 || (boards[currentMove][CASTLING][2] == NoRights ||
11384 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11385 && (boards[currentMove][CASTLING][5] == NoRights ||
11386 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11389 CopyBoard(flipBoard, soughtBoard);
11390 CopyBoard(rotateBoard, reverseBoard);
11391 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11392 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11393 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11396 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11397 if(appData.searchMode >= 5) {
11398 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11399 MakePieceList(soughtBoard, minSought);
11400 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11402 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11403 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11406 GameInfo dummyInfo;
11408 int GameContainsPosition(FILE *f, ListGame *lg)
11410 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11411 int fromX, fromY, toX, toY;
11413 static int initDone=FALSE;
11415 // weed out games based on numerical tag comparison
11416 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11417 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11418 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11419 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11421 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11424 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11425 else CopyBoard(boards[scratch], initialPosition); // default start position
11428 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11429 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11432 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11433 fseek(f, lg->offset, 0);
11436 yyboardindex = scratch;
11437 quickFlag = plyNr+1;
11442 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11448 if(plyNr) return -1; // after we have seen moves, this is for new game
11451 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11452 case ImpossibleMove:
11453 case WhiteWins: // game ends here with these four
11456 case GameUnfinished:
11460 if(appData.testLegality) return -1;
11461 case WhiteCapturesEnPassant:
11462 case BlackCapturesEnPassant:
11463 case WhitePromotion:
11464 case BlackPromotion:
11465 case WhiteNonPromotion:
11466 case BlackNonPromotion:
11468 case WhiteKingSideCastle:
11469 case WhiteQueenSideCastle:
11470 case BlackKingSideCastle:
11471 case BlackQueenSideCastle:
11472 case WhiteKingSideCastleWild:
11473 case WhiteQueenSideCastleWild:
11474 case BlackKingSideCastleWild:
11475 case BlackQueenSideCastleWild:
11476 case WhiteHSideCastleFR:
11477 case WhiteASideCastleFR:
11478 case BlackHSideCastleFR:
11479 case BlackASideCastleFR:
11480 fromX = currentMoveString[0] - AAA;
11481 fromY = currentMoveString[1] - ONE;
11482 toX = currentMoveString[2] - AAA;
11483 toY = currentMoveString[3] - ONE;
11484 promoChar = currentMoveString[4];
11488 fromX = next == WhiteDrop ?
11489 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11490 (int) CharToPiece(ToLower(currentMoveString[0]));
11492 toX = currentMoveString[2] - AAA;
11493 toY = currentMoveString[3] - ONE;
11497 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11499 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11500 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11501 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11502 if(appData.findMirror) {
11503 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11504 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11509 /* Load the nth game from open file f */
11511 LoadGame(f, gameNumber, title, useList)
11519 int gn = gameNumber;
11520 ListGame *lg = NULL;
11521 int numPGNTags = 0;
11523 GameMode oldGameMode;
11524 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11526 if (appData.debugMode)
11527 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11529 if (gameMode == Training )
11530 SetTrainingModeOff();
11532 oldGameMode = gameMode;
11533 if (gameMode != BeginningOfGame) {
11534 Reset(FALSE, TRUE);
11538 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11539 fclose(lastLoadGameFP);
11543 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11546 fseek(f, lg->offset, 0);
11547 GameListHighlight(gameNumber);
11548 pos = lg->position;
11552 DisplayError(_("Game number out of range"), 0);
11557 if (fseek(f, 0, 0) == -1) {
11558 if (f == lastLoadGameFP ?
11559 gameNumber == lastLoadGameNumber + 1 :
11563 DisplayError(_("Can't seek on game file"), 0);
11568 lastLoadGameFP = f;
11569 lastLoadGameNumber = gameNumber;
11570 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11571 lastLoadGameUseList = useList;
11575 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11576 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11577 lg->gameInfo.black);
11579 } else if (*title != NULLCHAR) {
11580 if (gameNumber > 1) {
11581 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11584 DisplayTitle(title);
11588 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11589 gameMode = PlayFromGameFile;
11593 currentMove = forwardMostMove = backwardMostMove = 0;
11594 CopyBoard(boards[0], initialPosition);
11598 * Skip the first gn-1 games in the file.
11599 * Also skip over anything that precedes an identifiable
11600 * start of game marker, to avoid being confused by
11601 * garbage at the start of the file. Currently
11602 * recognized start of game markers are the move number "1",
11603 * the pattern "gnuchess .* game", the pattern
11604 * "^[#;%] [^ ]* game file", and a PGN tag block.
11605 * A game that starts with one of the latter two patterns
11606 * will also have a move number 1, possibly
11607 * following a position diagram.
11608 * 5-4-02: Let's try being more lenient and allowing a game to
11609 * start with an unnumbered move. Does that break anything?
11611 cm = lastLoadGameStart = EndOfFile;
11613 yyboardindex = forwardMostMove;
11614 cm = (ChessMove) Myylex();
11617 if (cmailMsgLoaded) {
11618 nCmailGames = CMAIL_MAX_GAMES - gn;
11621 DisplayError(_("Game not found in file"), 0);
11628 lastLoadGameStart = cm;
11631 case MoveNumberOne:
11632 switch (lastLoadGameStart) {
11637 case MoveNumberOne:
11639 gn--; /* count this game */
11640 lastLoadGameStart = cm;
11649 switch (lastLoadGameStart) {
11652 case MoveNumberOne:
11654 gn--; /* count this game */
11655 lastLoadGameStart = cm;
11658 lastLoadGameStart = cm; /* game counted already */
11666 yyboardindex = forwardMostMove;
11667 cm = (ChessMove) Myylex();
11668 } while (cm == PGNTag || cm == Comment);
11675 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11676 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11677 != CMAIL_OLD_RESULT) {
11679 cmailResult[ CMAIL_MAX_GAMES
11680 - gn - 1] = CMAIL_OLD_RESULT;
11686 /* Only a NormalMove can be at the start of a game
11687 * without a position diagram. */
11688 if (lastLoadGameStart == EndOfFile ) {
11690 lastLoadGameStart = MoveNumberOne;
11699 if (appData.debugMode)
11700 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11702 if (cm == XBoardGame) {
11703 /* Skip any header junk before position diagram and/or move 1 */
11705 yyboardindex = forwardMostMove;
11706 cm = (ChessMove) Myylex();
11708 if (cm == EndOfFile ||
11709 cm == GNUChessGame || cm == XBoardGame) {
11710 /* Empty game; pretend end-of-file and handle later */
11715 if (cm == MoveNumberOne || cm == PositionDiagram ||
11716 cm == PGNTag || cm == Comment)
11719 } else if (cm == GNUChessGame) {
11720 if (gameInfo.event != NULL) {
11721 free(gameInfo.event);
11723 gameInfo.event = StrSave(yy_text);
11726 startedFromSetupPosition = FALSE;
11727 while (cm == PGNTag) {
11728 if (appData.debugMode)
11729 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11730 err = ParsePGNTag(yy_text, &gameInfo);
11731 if (!err) numPGNTags++;
11733 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11734 if(gameInfo.variant != oldVariant) {
11735 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11736 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11737 InitPosition(TRUE);
11738 oldVariant = gameInfo.variant;
11739 if (appData.debugMode)
11740 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11744 if (gameInfo.fen != NULL) {
11745 Board initial_position;
11746 startedFromSetupPosition = TRUE;
11747 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11749 DisplayError(_("Bad FEN position in file"), 0);
11752 CopyBoard(boards[0], initial_position);
11753 if (blackPlaysFirst) {
11754 currentMove = forwardMostMove = backwardMostMove = 1;
11755 CopyBoard(boards[1], initial_position);
11756 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11757 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11758 timeRemaining[0][1] = whiteTimeRemaining;
11759 timeRemaining[1][1] = blackTimeRemaining;
11760 if (commentList[0] != NULL) {
11761 commentList[1] = commentList[0];
11762 commentList[0] = NULL;
11765 currentMove = forwardMostMove = backwardMostMove = 0;
11767 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11769 initialRulePlies = FENrulePlies;
11770 for( i=0; i< nrCastlingRights; i++ )
11771 initialRights[i] = initial_position[CASTLING][i];
11773 yyboardindex = forwardMostMove;
11774 free(gameInfo.fen);
11775 gameInfo.fen = NULL;
11778 yyboardindex = forwardMostMove;
11779 cm = (ChessMove) Myylex();
11781 /* Handle comments interspersed among the tags */
11782 while (cm == Comment) {
11784 if (appData.debugMode)
11785 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11787 AppendComment(currentMove, p, FALSE);
11788 yyboardindex = forwardMostMove;
11789 cm = (ChessMove) Myylex();
11793 /* don't rely on existence of Event tag since if game was
11794 * pasted from clipboard the Event tag may not exist
11796 if (numPGNTags > 0){
11798 if (gameInfo.variant == VariantNormal) {
11799 VariantClass v = StringToVariant(gameInfo.event);
11800 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11801 if(v < VariantShogi) gameInfo.variant = v;
11804 if( appData.autoDisplayTags ) {
11805 tags = PGNTags(&gameInfo);
11806 TagsPopUp(tags, CmailMsg());
11811 /* Make something up, but don't display it now */
11816 if (cm == PositionDiagram) {
11819 Board initial_position;
11821 if (appData.debugMode)
11822 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11824 if (!startedFromSetupPosition) {
11826 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11827 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11838 initial_position[i][j++] = CharToPiece(*p);
11841 while (*p == ' ' || *p == '\t' ||
11842 *p == '\n' || *p == '\r') p++;
11844 if (strncmp(p, "black", strlen("black"))==0)
11845 blackPlaysFirst = TRUE;
11847 blackPlaysFirst = FALSE;
11848 startedFromSetupPosition = TRUE;
11850 CopyBoard(boards[0], initial_position);
11851 if (blackPlaysFirst) {
11852 currentMove = forwardMostMove = backwardMostMove = 1;
11853 CopyBoard(boards[1], initial_position);
11854 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11855 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11856 timeRemaining[0][1] = whiteTimeRemaining;
11857 timeRemaining[1][1] = blackTimeRemaining;
11858 if (commentList[0] != NULL) {
11859 commentList[1] = commentList[0];
11860 commentList[0] = NULL;
11863 currentMove = forwardMostMove = backwardMostMove = 0;
11866 yyboardindex = forwardMostMove;
11867 cm = (ChessMove) Myylex();
11870 if (first.pr == NoProc) {
11871 StartChessProgram(&first);
11873 InitChessProgram(&first, FALSE);
11874 SendToProgram("force\n", &first);
11875 if (startedFromSetupPosition) {
11876 SendBoard(&first, forwardMostMove);
11877 if (appData.debugMode) {
11878 fprintf(debugFP, "Load Game\n");
11880 DisplayBothClocks();
11883 /* [HGM] server: flag to write setup moves in broadcast file as one */
11884 loadFlag = appData.suppressLoadMoves;
11886 while (cm == Comment) {
11888 if (appData.debugMode)
11889 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11891 AppendComment(currentMove, p, FALSE);
11892 yyboardindex = forwardMostMove;
11893 cm = (ChessMove) Myylex();
11896 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11897 cm == WhiteWins || cm == BlackWins ||
11898 cm == GameIsDrawn || cm == GameUnfinished) {
11899 DisplayMessage("", _("No moves in game"));
11900 if (cmailMsgLoaded) {
11901 if (appData.debugMode)
11902 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11906 DrawPosition(FALSE, boards[currentMove]);
11907 DisplayBothClocks();
11908 gameMode = EditGame;
11915 // [HGM] PV info: routine tests if comment empty
11916 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11917 DisplayComment(currentMove - 1, commentList[currentMove]);
11919 if (!matchMode && appData.timeDelay != 0)
11920 DrawPosition(FALSE, boards[currentMove]);
11922 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11923 programStats.ok_to_send = 1;
11926 /* if the first token after the PGN tags is a move
11927 * and not move number 1, retrieve it from the parser
11929 if (cm != MoveNumberOne)
11930 LoadGameOneMove(cm);
11932 /* load the remaining moves from the file */
11933 while (LoadGameOneMove(EndOfFile)) {
11934 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11935 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11938 /* rewind to the start of the game */
11939 currentMove = backwardMostMove;
11941 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11943 if (oldGameMode == AnalyzeFile ||
11944 oldGameMode == AnalyzeMode) {
11945 AnalyzeFileEvent();
11948 if (!matchMode && pos >= 0) {
11949 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11951 if (matchMode || appData.timeDelay == 0) {
11953 } else if (appData.timeDelay > 0) {
11954 AutoPlayGameLoop();
11957 if (appData.debugMode)
11958 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11960 loadFlag = 0; /* [HGM] true game starts */
11964 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11966 ReloadPosition(offset)
11969 int positionNumber = lastLoadPositionNumber + offset;
11970 if (lastLoadPositionFP == NULL) {
11971 DisplayError(_("No position has been loaded yet"), 0);
11974 if (positionNumber <= 0) {
11975 DisplayError(_("Can't back up any further"), 0);
11978 return LoadPosition(lastLoadPositionFP, positionNumber,
11979 lastLoadPositionTitle);
11982 /* Load the nth position from the given file */
11984 LoadPositionFromFile(filename, n, title)
11992 if (strcmp(filename, "-") == 0) {
11993 return LoadPosition(stdin, n, "stdin");
11995 f = fopen(filename, "rb");
11997 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11998 DisplayError(buf, errno);
12001 return LoadPosition(f, n, title);
12006 /* Load the nth position from the given open file, and close it */
12008 LoadPosition(f, positionNumber, title)
12010 int positionNumber;
12013 char *p, line[MSG_SIZ];
12014 Board initial_position;
12015 int i, j, fenMode, pn;
12017 if (gameMode == Training )
12018 SetTrainingModeOff();
12020 if (gameMode != BeginningOfGame) {
12021 Reset(FALSE, TRUE);
12023 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12024 fclose(lastLoadPositionFP);
12026 if (positionNumber == 0) positionNumber = 1;
12027 lastLoadPositionFP = f;
12028 lastLoadPositionNumber = positionNumber;
12029 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12030 if (first.pr == NoProc && !appData.noChessProgram) {
12031 StartChessProgram(&first);
12032 InitChessProgram(&first, FALSE);
12034 pn = positionNumber;
12035 if (positionNumber < 0) {
12036 /* Negative position number means to seek to that byte offset */
12037 if (fseek(f, -positionNumber, 0) == -1) {
12038 DisplayError(_("Can't seek on position file"), 0);
12043 if (fseek(f, 0, 0) == -1) {
12044 if (f == lastLoadPositionFP ?
12045 positionNumber == lastLoadPositionNumber + 1 :
12046 positionNumber == 1) {
12049 DisplayError(_("Can't seek on position file"), 0);
12054 /* See if this file is FEN or old-style xboard */
12055 if (fgets(line, MSG_SIZ, f) == NULL) {
12056 DisplayError(_("Position not found in file"), 0);
12059 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12060 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12063 if (fenMode || line[0] == '#') pn--;
12065 /* skip positions before number pn */
12066 if (fgets(line, MSG_SIZ, f) == NULL) {
12068 DisplayError(_("Position not found in file"), 0);
12071 if (fenMode || line[0] == '#') pn--;
12076 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12077 DisplayError(_("Bad FEN position in file"), 0);
12081 (void) fgets(line, MSG_SIZ, f);
12082 (void) fgets(line, MSG_SIZ, f);
12084 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12085 (void) fgets(line, MSG_SIZ, f);
12086 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12089 initial_position[i][j++] = CharToPiece(*p);
12093 blackPlaysFirst = FALSE;
12095 (void) fgets(line, MSG_SIZ, f);
12096 if (strncmp(line, "black", strlen("black"))==0)
12097 blackPlaysFirst = TRUE;
12100 startedFromSetupPosition = TRUE;
12102 CopyBoard(boards[0], initial_position);
12103 if (blackPlaysFirst) {
12104 currentMove = forwardMostMove = backwardMostMove = 1;
12105 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12106 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12107 CopyBoard(boards[1], initial_position);
12108 DisplayMessage("", _("Black to play"));
12110 currentMove = forwardMostMove = backwardMostMove = 0;
12111 DisplayMessage("", _("White to play"));
12113 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12114 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12115 SendToProgram("force\n", &first);
12116 SendBoard(&first, forwardMostMove);
12118 if (appData.debugMode) {
12120 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12121 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12122 fprintf(debugFP, "Load Position\n");
12125 if (positionNumber > 1) {
12126 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12127 DisplayTitle(line);
12129 DisplayTitle(title);
12131 gameMode = EditGame;
12134 timeRemaining[0][1] = whiteTimeRemaining;
12135 timeRemaining[1][1] = blackTimeRemaining;
12136 DrawPosition(FALSE, boards[currentMove]);
12143 CopyPlayerNameIntoFileName(dest, src)
12146 while (*src != NULLCHAR && *src != ',') {
12151 *(*dest)++ = *src++;
12156 char *DefaultFileName(ext)
12159 static char def[MSG_SIZ];
12162 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12164 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12166 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12168 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12175 /* Save the current game to the given file */
12177 SaveGameToFile(filename, append)
12183 int result, i, t,tot=0;
12185 if (strcmp(filename, "-") == 0) {
12186 return SaveGame(stdout, 0, NULL);
12188 for(i=0; i<10; i++) { // upto 10 tries
12189 f = fopen(filename, append ? "a" : "w");
12190 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12191 if(f || errno != 13) break;
12192 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12196 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12197 DisplayError(buf, errno);
12200 safeStrCpy(buf, lastMsg, MSG_SIZ);
12201 DisplayMessage(_("Waiting for access to save file"), "");
12202 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12203 DisplayMessage(_("Saving game"), "");
12204 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
12205 result = SaveGame(f, 0, NULL);
12206 DisplayMessage(buf, "");
12216 static char buf[MSG_SIZ];
12219 p = strchr(str, ' ');
12220 if (p == NULL) return str;
12221 strncpy(buf, str, p - str);
12222 buf[p - str] = NULLCHAR;
12226 #define PGN_MAX_LINE 75
12228 #define PGN_SIDE_WHITE 0
12229 #define PGN_SIDE_BLACK 1
12232 static int FindFirstMoveOutOfBook( int side )
12236 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12237 int index = backwardMostMove;
12238 int has_book_hit = 0;
12240 if( (index % 2) != side ) {
12244 while( index < forwardMostMove ) {
12245 /* Check to see if engine is in book */
12246 int depth = pvInfoList[index].depth;
12247 int score = pvInfoList[index].score;
12253 else if( score == 0 && depth == 63 ) {
12254 in_book = 1; /* Zappa */
12256 else if( score == 2 && depth == 99 ) {
12257 in_book = 1; /* Abrok */
12260 has_book_hit += in_book;
12276 void GetOutOfBookInfo( char * buf )
12280 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12282 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12283 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12287 if( oob[0] >= 0 || oob[1] >= 0 ) {
12288 for( i=0; i<2; i++ ) {
12292 if( i > 0 && oob[0] >= 0 ) {
12293 strcat( buf, " " );
12296 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12297 sprintf( buf+strlen(buf), "%s%.2f",
12298 pvInfoList[idx].score >= 0 ? "+" : "",
12299 pvInfoList[idx].score / 100.0 );
12305 /* Save game in PGN style and close the file */
12310 int i, offset, linelen, newblock;
12314 int movelen, numlen, blank;
12315 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12317 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12319 tm = time((time_t *) NULL);
12321 PrintPGNTags(f, &gameInfo);
12323 if (backwardMostMove > 0 || startedFromSetupPosition) {
12324 char *fen = PositionToFEN(backwardMostMove, NULL);
12325 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12326 fprintf(f, "\n{--------------\n");
12327 PrintPosition(f, backwardMostMove);
12328 fprintf(f, "--------------}\n");
12332 /* [AS] Out of book annotation */
12333 if( appData.saveOutOfBookInfo ) {
12336 GetOutOfBookInfo( buf );
12338 if( buf[0] != '\0' ) {
12339 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12346 i = backwardMostMove;
12350 while (i < forwardMostMove) {
12351 /* Print comments preceding this move */
12352 if (commentList[i] != NULL) {
12353 if (linelen > 0) fprintf(f, "\n");
12354 fprintf(f, "%s", commentList[i]);
12359 /* Format move number */
12361 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12364 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12366 numtext[0] = NULLCHAR;
12368 numlen = strlen(numtext);
12371 /* Print move number */
12372 blank = linelen > 0 && numlen > 0;
12373 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12382 fprintf(f, "%s", numtext);
12386 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12387 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12390 blank = linelen > 0 && movelen > 0;
12391 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12400 fprintf(f, "%s", move_buffer);
12401 linelen += movelen;
12403 /* [AS] Add PV info if present */
12404 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12405 /* [HGM] add time */
12406 char buf[MSG_SIZ]; int seconds;
12408 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12414 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12417 seconds = (seconds + 4)/10; // round to full seconds
12419 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12421 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12424 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12425 pvInfoList[i].score >= 0 ? "+" : "",
12426 pvInfoList[i].score / 100.0,
12427 pvInfoList[i].depth,
12430 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12432 /* Print score/depth */
12433 blank = linelen > 0 && movelen > 0;
12434 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12443 fprintf(f, "%s", move_buffer);
12444 linelen += movelen;
12450 /* Start a new line */
12451 if (linelen > 0) fprintf(f, "\n");
12453 /* Print comments after last move */
12454 if (commentList[i] != NULL) {
12455 fprintf(f, "%s\n", commentList[i]);
12459 if (gameInfo.resultDetails != NULL &&
12460 gameInfo.resultDetails[0] != NULLCHAR) {
12461 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12462 PGNResult(gameInfo.result));
12464 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12468 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12472 /* Save game in old style and close the file */
12474 SaveGameOldStyle(f)
12480 tm = time((time_t *) NULL);
12482 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12485 if (backwardMostMove > 0 || startedFromSetupPosition) {
12486 fprintf(f, "\n[--------------\n");
12487 PrintPosition(f, backwardMostMove);
12488 fprintf(f, "--------------]\n");
12493 i = backwardMostMove;
12494 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12496 while (i < forwardMostMove) {
12497 if (commentList[i] != NULL) {
12498 fprintf(f, "[%s]\n", commentList[i]);
12501 if ((i % 2) == 1) {
12502 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12505 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12507 if (commentList[i] != NULL) {
12511 if (i >= forwardMostMove) {
12515 fprintf(f, "%s\n", parseList[i]);
12520 if (commentList[i] != NULL) {
12521 fprintf(f, "[%s]\n", commentList[i]);
12524 /* This isn't really the old style, but it's close enough */
12525 if (gameInfo.resultDetails != NULL &&
12526 gameInfo.resultDetails[0] != NULLCHAR) {
12527 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12528 gameInfo.resultDetails);
12530 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12537 /* Save the current game to open file f and close the file */
12539 SaveGame(f, dummy, dummy2)
12544 if (gameMode == EditPosition) EditPositionDone(TRUE);
12545 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12546 if (appData.oldSaveStyle)
12547 return SaveGameOldStyle(f);
12549 return SaveGamePGN(f);
12552 /* Save the current position to the given file */
12554 SavePositionToFile(filename)
12560 if (strcmp(filename, "-") == 0) {
12561 return SavePosition(stdout, 0, NULL);
12563 f = fopen(filename, "a");
12565 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12566 DisplayError(buf, errno);
12569 safeStrCpy(buf, lastMsg, MSG_SIZ);
12570 DisplayMessage(_("Waiting for access to save file"), "");
12571 flock(fileno(f), LOCK_EX); // [HGM] lock
12572 DisplayMessage(_("Saving position"), "");
12573 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12574 SavePosition(f, 0, NULL);
12575 DisplayMessage(buf, "");
12581 /* Save the current position to the given open file and close the file */
12583 SavePosition(f, dummy, dummy2)
12591 if (gameMode == EditPosition) EditPositionDone(TRUE);
12592 if (appData.oldSaveStyle) {
12593 tm = time((time_t *) NULL);
12595 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12597 fprintf(f, "[--------------\n");
12598 PrintPosition(f, currentMove);
12599 fprintf(f, "--------------]\n");
12601 fen = PositionToFEN(currentMove, NULL);
12602 fprintf(f, "%s\n", fen);
12610 ReloadCmailMsgEvent(unregister)
12614 static char *inFilename = NULL;
12615 static char *outFilename;
12617 struct stat inbuf, outbuf;
12620 /* Any registered moves are unregistered if unregister is set, */
12621 /* i.e. invoked by the signal handler */
12623 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12624 cmailMoveRegistered[i] = FALSE;
12625 if (cmailCommentList[i] != NULL) {
12626 free(cmailCommentList[i]);
12627 cmailCommentList[i] = NULL;
12630 nCmailMovesRegistered = 0;
12633 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12634 cmailResult[i] = CMAIL_NOT_RESULT;
12638 if (inFilename == NULL) {
12639 /* Because the filenames are static they only get malloced once */
12640 /* and they never get freed */
12641 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12642 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12644 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12645 sprintf(outFilename, "%s.out", appData.cmailGameName);
12648 status = stat(outFilename, &outbuf);
12650 cmailMailedMove = FALSE;
12652 status = stat(inFilename, &inbuf);
12653 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12656 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12657 counts the games, notes how each one terminated, etc.
12659 It would be nice to remove this kludge and instead gather all
12660 the information while building the game list. (And to keep it
12661 in the game list nodes instead of having a bunch of fixed-size
12662 parallel arrays.) Note this will require getting each game's
12663 termination from the PGN tags, as the game list builder does
12664 not process the game moves. --mann
12666 cmailMsgLoaded = TRUE;
12667 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12669 /* Load first game in the file or popup game menu */
12670 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12672 #endif /* !WIN32 */
12680 char string[MSG_SIZ];
12682 if ( cmailMailedMove
12683 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12684 return TRUE; /* Allow free viewing */
12687 /* Unregister move to ensure that we don't leave RegisterMove */
12688 /* with the move registered when the conditions for registering no */
12690 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12691 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12692 nCmailMovesRegistered --;
12694 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12696 free(cmailCommentList[lastLoadGameNumber - 1]);
12697 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12701 if (cmailOldMove == -1) {
12702 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12706 if (currentMove > cmailOldMove + 1) {
12707 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12711 if (currentMove < cmailOldMove) {
12712 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12716 if (forwardMostMove > currentMove) {
12717 /* Silently truncate extra moves */
12721 if ( (currentMove == cmailOldMove + 1)
12722 || ( (currentMove == cmailOldMove)
12723 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12724 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12725 if (gameInfo.result != GameUnfinished) {
12726 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12729 if (commentList[currentMove] != NULL) {
12730 cmailCommentList[lastLoadGameNumber - 1]
12731 = StrSave(commentList[currentMove]);
12733 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12735 if (appData.debugMode)
12736 fprintf(debugFP, "Saving %s for game %d\n",
12737 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12739 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12741 f = fopen(string, "w");
12742 if (appData.oldSaveStyle) {
12743 SaveGameOldStyle(f); /* also closes the file */
12745 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12746 f = fopen(string, "w");
12747 SavePosition(f, 0, NULL); /* also closes the file */
12749 fprintf(f, "{--------------\n");
12750 PrintPosition(f, currentMove);
12751 fprintf(f, "--------------}\n\n");
12753 SaveGame(f, 0, NULL); /* also closes the file*/
12756 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12757 nCmailMovesRegistered ++;
12758 } else if (nCmailGames == 1) {
12759 DisplayError(_("You have not made a move yet"), 0);
12770 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12771 FILE *commandOutput;
12772 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12773 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12779 if (! cmailMsgLoaded) {
12780 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12784 if (nCmailGames == nCmailResults) {
12785 DisplayError(_("No unfinished games"), 0);
12789 #if CMAIL_PROHIBIT_REMAIL
12790 if (cmailMailedMove) {
12791 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);
12792 DisplayError(msg, 0);
12797 if (! (cmailMailedMove || RegisterMove())) return;
12799 if ( cmailMailedMove
12800 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12801 snprintf(string, MSG_SIZ, partCommandString,
12802 appData.debugMode ? " -v" : "", appData.cmailGameName);
12803 commandOutput = popen(string, "r");
12805 if (commandOutput == NULL) {
12806 DisplayError(_("Failed to invoke cmail"), 0);
12808 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12809 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12811 if (nBuffers > 1) {
12812 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12813 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12814 nBytes = MSG_SIZ - 1;
12816 (void) memcpy(msg, buffer, nBytes);
12818 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12820 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12821 cmailMailedMove = TRUE; /* Prevent >1 moves */
12824 for (i = 0; i < nCmailGames; i ++) {
12825 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12830 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12832 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12834 appData.cmailGameName,
12836 LoadGameFromFile(buffer, 1, buffer, FALSE);
12837 cmailMsgLoaded = FALSE;
12841 DisplayInformation(msg);
12842 pclose(commandOutput);
12845 if ((*cmailMsg) != '\0') {
12846 DisplayInformation(cmailMsg);
12851 #endif /* !WIN32 */
12860 int prependComma = 0;
12862 char string[MSG_SIZ]; /* Space for game-list */
12865 if (!cmailMsgLoaded) return "";
12867 if (cmailMailedMove) {
12868 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12870 /* Create a list of games left */
12871 snprintf(string, MSG_SIZ, "[");
12872 for (i = 0; i < nCmailGames; i ++) {
12873 if (! ( cmailMoveRegistered[i]
12874 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12875 if (prependComma) {
12876 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12878 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12882 strcat(string, number);
12885 strcat(string, "]");
12887 if (nCmailMovesRegistered + nCmailResults == 0) {
12888 switch (nCmailGames) {
12890 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12894 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12898 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12903 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12905 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12910 if (nCmailResults == nCmailGames) {
12911 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12913 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12918 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12930 if (gameMode == Training)
12931 SetTrainingModeOff();
12934 cmailMsgLoaded = FALSE;
12935 if (appData.icsActive) {
12936 SendToICS(ics_prefix);
12937 SendToICS("refresh\n");
12947 /* Give up on clean exit */
12951 /* Keep trying for clean exit */
12955 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12957 if (telnetISR != NULL) {
12958 RemoveInputSource(telnetISR);
12960 if (icsPR != NoProc) {
12961 DestroyChildProcess(icsPR, TRUE);
12964 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12965 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12967 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12968 /* make sure this other one finishes before killing it! */
12969 if(endingGame) { int count = 0;
12970 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12971 while(endingGame && count++ < 10) DoSleep(1);
12972 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12975 /* Kill off chess programs */
12976 if (first.pr != NoProc) {
12979 DoSleep( appData.delayBeforeQuit );
12980 SendToProgram("quit\n", &first);
12981 DoSleep( appData.delayAfterQuit );
12982 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12984 if (second.pr != NoProc) {
12985 DoSleep( appData.delayBeforeQuit );
12986 SendToProgram("quit\n", &second);
12987 DoSleep( appData.delayAfterQuit );
12988 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12990 if (first.isr != NULL) {
12991 RemoveInputSource(first.isr);
12993 if (second.isr != NULL) {
12994 RemoveInputSource(second.isr);
12997 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12998 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13000 ShutDownFrontEnd();
13007 if (appData.debugMode)
13008 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13012 if (gameMode == MachinePlaysWhite ||
13013 gameMode == MachinePlaysBlack) {
13016 DisplayBothClocks();
13018 if (gameMode == PlayFromGameFile) {
13019 if (appData.timeDelay >= 0)
13020 AutoPlayGameLoop();
13021 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13022 Reset(FALSE, TRUE);
13023 SendToICS(ics_prefix);
13024 SendToICS("refresh\n");
13025 } else if (currentMove < forwardMostMove) {
13026 ForwardInner(forwardMostMove);
13028 pauseExamInvalid = FALSE;
13030 switch (gameMode) {
13034 pauseExamForwardMostMove = forwardMostMove;
13035 pauseExamInvalid = FALSE;
13038 case IcsPlayingWhite:
13039 case IcsPlayingBlack:
13043 case PlayFromGameFile:
13044 (void) StopLoadGameTimer();
13048 case BeginningOfGame:
13049 if (appData.icsActive) return;
13050 /* else fall through */
13051 case MachinePlaysWhite:
13052 case MachinePlaysBlack:
13053 case TwoMachinesPlay:
13054 if (forwardMostMove == 0)
13055 return; /* don't pause if no one has moved */
13056 if ((gameMode == MachinePlaysWhite &&
13057 !WhiteOnMove(forwardMostMove)) ||
13058 (gameMode == MachinePlaysBlack &&
13059 WhiteOnMove(forwardMostMove))) {
13072 char title[MSG_SIZ];
13074 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13075 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13077 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13078 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13079 parseList[currentMove - 1]);
13082 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13089 char *tags = PGNTags(&gameInfo);
13091 EditTagsPopUp(tags, NULL);
13098 if (appData.noChessProgram || gameMode == AnalyzeMode)
13101 if (gameMode != AnalyzeFile) {
13102 if (!appData.icsEngineAnalyze) {
13104 if (gameMode != EditGame) return;
13106 ResurrectChessProgram();
13107 SendToProgram("analyze\n", &first);
13108 first.analyzing = TRUE;
13109 /*first.maybeThinking = TRUE;*/
13110 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13111 EngineOutputPopUp();
13113 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13118 StartAnalysisClock();
13119 GetTimeMark(&lastNodeCountTime);
13126 if (appData.noChessProgram || gameMode == AnalyzeFile)
13129 if (gameMode != AnalyzeMode) {
13131 if (gameMode != EditGame) return;
13132 ResurrectChessProgram();
13133 SendToProgram("analyze\n", &first);
13134 first.analyzing = TRUE;
13135 /*first.maybeThinking = TRUE;*/
13136 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13137 EngineOutputPopUp();
13139 gameMode = AnalyzeFile;
13144 StartAnalysisClock();
13145 GetTimeMark(&lastNodeCountTime);
13147 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13151 MachineWhiteEvent()
13154 char *bookHit = NULL;
13156 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13160 if (gameMode == PlayFromGameFile ||
13161 gameMode == TwoMachinesPlay ||
13162 gameMode == Training ||
13163 gameMode == AnalyzeMode ||
13164 gameMode == EndOfGame)
13167 if (gameMode == EditPosition)
13168 EditPositionDone(TRUE);
13170 if (!WhiteOnMove(currentMove)) {
13171 DisplayError(_("It is not White's turn"), 0);
13175 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13178 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13179 gameMode == AnalyzeFile)
13182 ResurrectChessProgram(); /* in case it isn't running */
13183 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13184 gameMode = MachinePlaysWhite;
13187 gameMode = MachinePlaysWhite;
13191 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13193 if (first.sendName) {
13194 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13195 SendToProgram(buf, &first);
13197 if (first.sendTime) {
13198 if (first.useColors) {
13199 SendToProgram("black\n", &first); /*gnu kludge*/
13201 SendTimeRemaining(&first, TRUE);
13203 if (first.useColors) {
13204 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13206 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13207 SetMachineThinkingEnables();
13208 first.maybeThinking = TRUE;
13212 if (appData.autoFlipView && !flipView) {
13213 flipView = !flipView;
13214 DrawPosition(FALSE, NULL);
13215 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13218 if(bookHit) { // [HGM] book: simulate book reply
13219 static char bookMove[MSG_SIZ]; // a bit generous?
13221 programStats.nodes = programStats.depth = programStats.time =
13222 programStats.score = programStats.got_only_move = 0;
13223 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13225 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13226 strcat(bookMove, bookHit);
13227 HandleMachineMove(bookMove, &first);
13232 MachineBlackEvent()
13235 char *bookHit = NULL;
13237 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13241 if (gameMode == PlayFromGameFile ||
13242 gameMode == TwoMachinesPlay ||
13243 gameMode == Training ||
13244 gameMode == AnalyzeMode ||
13245 gameMode == EndOfGame)
13248 if (gameMode == EditPosition)
13249 EditPositionDone(TRUE);
13251 if (WhiteOnMove(currentMove)) {
13252 DisplayError(_("It is not Black's turn"), 0);
13256 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13259 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13260 gameMode == AnalyzeFile)
13263 ResurrectChessProgram(); /* in case it isn't running */
13264 gameMode = MachinePlaysBlack;
13268 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13270 if (first.sendName) {
13271 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13272 SendToProgram(buf, &first);
13274 if (first.sendTime) {
13275 if (first.useColors) {
13276 SendToProgram("white\n", &first); /*gnu kludge*/
13278 SendTimeRemaining(&first, FALSE);
13280 if (first.useColors) {
13281 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13283 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13284 SetMachineThinkingEnables();
13285 first.maybeThinking = TRUE;
13288 if (appData.autoFlipView && flipView) {
13289 flipView = !flipView;
13290 DrawPosition(FALSE, NULL);
13291 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13293 if(bookHit) { // [HGM] book: simulate book reply
13294 static char bookMove[MSG_SIZ]; // a bit generous?
13296 programStats.nodes = programStats.depth = programStats.time =
13297 programStats.score = programStats.got_only_move = 0;
13298 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13300 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13301 strcat(bookMove, bookHit);
13302 HandleMachineMove(bookMove, &first);
13308 DisplayTwoMachinesTitle()
13311 if (appData.matchGames > 0) {
13312 if(appData.tourneyFile[0]) {
13313 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13314 gameInfo.white, gameInfo.black,
13315 nextGame+1, appData.matchGames+1,
13316 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13318 if (first.twoMachinesColor[0] == 'w') {
13319 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13320 gameInfo.white, gameInfo.black,
13321 first.matchWins, second.matchWins,
13322 matchGame - 1 - (first.matchWins + second.matchWins));
13324 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13325 gameInfo.white, gameInfo.black,
13326 second.matchWins, first.matchWins,
13327 matchGame - 1 - (first.matchWins + second.matchWins));
13330 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13336 SettingsMenuIfReady()
13338 if (second.lastPing != second.lastPong) {
13339 DisplayMessage("", _("Waiting for second chess program"));
13340 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13344 DisplayMessage("", "");
13345 SettingsPopUp(&second);
13349 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13352 if (cps->pr == NoProc) {
13353 StartChessProgram(cps);
13354 if (cps->protocolVersion == 1) {
13357 /* kludge: allow timeout for initial "feature" command */
13359 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13360 DisplayMessage("", buf);
13361 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13369 TwoMachinesEvent P((void))
13373 ChessProgramState *onmove;
13374 char *bookHit = NULL;
13375 static int stalling = 0;
13379 if (appData.noChessProgram) return;
13381 switch (gameMode) {
13382 case TwoMachinesPlay:
13384 case MachinePlaysWhite:
13385 case MachinePlaysBlack:
13386 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13387 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13391 case BeginningOfGame:
13392 case PlayFromGameFile:
13395 if (gameMode != EditGame) return;
13398 EditPositionDone(TRUE);
13409 // forwardMostMove = currentMove;
13410 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13412 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13414 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13415 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13416 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13420 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13421 SendToProgram("force\n", &second);
13423 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13426 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13427 if(appData.matchPause>10000 || appData.matchPause<10)
13428 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13429 wait = SubtractTimeMarks(&now, &pauseStart);
13430 if(wait < appData.matchPause) {
13431 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13435 DisplayMessage("", "");
13436 if (startedFromSetupPosition) {
13437 SendBoard(&second, backwardMostMove);
13438 if (appData.debugMode) {
13439 fprintf(debugFP, "Two Machines\n");
13442 for (i = backwardMostMove; i < forwardMostMove; i++) {
13443 SendMoveToProgram(i, &second);
13446 gameMode = TwoMachinesPlay;
13448 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13450 DisplayTwoMachinesTitle();
13452 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13457 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13458 SendToProgram(first.computerString, &first);
13459 if (first.sendName) {
13460 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13461 SendToProgram(buf, &first);
13463 SendToProgram(second.computerString, &second);
13464 if (second.sendName) {
13465 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13466 SendToProgram(buf, &second);
13470 if (!first.sendTime || !second.sendTime) {
13471 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13472 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13474 if (onmove->sendTime) {
13475 if (onmove->useColors) {
13476 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13478 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13480 if (onmove->useColors) {
13481 SendToProgram(onmove->twoMachinesColor, onmove);
13483 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13484 // SendToProgram("go\n", onmove);
13485 onmove->maybeThinking = TRUE;
13486 SetMachineThinkingEnables();
13490 if(bookHit) { // [HGM] book: simulate book reply
13491 static char bookMove[MSG_SIZ]; // a bit generous?
13493 programStats.nodes = programStats.depth = programStats.time =
13494 programStats.score = programStats.got_only_move = 0;
13495 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13497 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13498 strcat(bookMove, bookHit);
13499 savedMessage = bookMove; // args for deferred call
13500 savedState = onmove;
13501 ScheduleDelayedEvent(DeferredBookMove, 1);
13508 if (gameMode == Training) {
13509 SetTrainingModeOff();
13510 gameMode = PlayFromGameFile;
13511 DisplayMessage("", _("Training mode off"));
13513 gameMode = Training;
13514 animateTraining = appData.animate;
13516 /* make sure we are not already at the end of the game */
13517 if (currentMove < forwardMostMove) {
13518 SetTrainingModeOn();
13519 DisplayMessage("", _("Training mode on"));
13521 gameMode = PlayFromGameFile;
13522 DisplayError(_("Already at end of game"), 0);
13531 if (!appData.icsActive) return;
13532 switch (gameMode) {
13533 case IcsPlayingWhite:
13534 case IcsPlayingBlack:
13537 case BeginningOfGame:
13545 EditPositionDone(TRUE);
13558 gameMode = IcsIdle;
13569 switch (gameMode) {
13571 SetTrainingModeOff();
13573 case MachinePlaysWhite:
13574 case MachinePlaysBlack:
13575 case BeginningOfGame:
13576 SendToProgram("force\n", &first);
13577 SetUserThinkingEnables();
13579 case PlayFromGameFile:
13580 (void) StopLoadGameTimer();
13581 if (gameFileFP != NULL) {
13586 EditPositionDone(TRUE);
13591 SendToProgram("force\n", &first);
13593 case TwoMachinesPlay:
13594 GameEnds(EndOfFile, NULL, GE_PLAYER);
13595 ResurrectChessProgram();
13596 SetUserThinkingEnables();
13599 ResurrectChessProgram();
13601 case IcsPlayingBlack:
13602 case IcsPlayingWhite:
13603 DisplayError(_("Warning: You are still playing a game"), 0);
13606 DisplayError(_("Warning: You are still observing a game"), 0);
13609 DisplayError(_("Warning: You are still examining a game"), 0);
13620 first.offeredDraw = second.offeredDraw = 0;
13622 if (gameMode == PlayFromGameFile) {
13623 whiteTimeRemaining = timeRemaining[0][currentMove];
13624 blackTimeRemaining = timeRemaining[1][currentMove];
13628 if (gameMode == MachinePlaysWhite ||
13629 gameMode == MachinePlaysBlack ||
13630 gameMode == TwoMachinesPlay ||
13631 gameMode == EndOfGame) {
13632 i = forwardMostMove;
13633 while (i > currentMove) {
13634 SendToProgram("undo\n", &first);
13637 if(!adjustedClock) {
13638 whiteTimeRemaining = timeRemaining[0][currentMove];
13639 blackTimeRemaining = timeRemaining[1][currentMove];
13640 DisplayBothClocks();
13642 if (whiteFlag || blackFlag) {
13643 whiteFlag = blackFlag = 0;
13648 gameMode = EditGame;
13655 EditPositionEvent()
13657 if (gameMode == EditPosition) {
13663 if (gameMode != EditGame) return;
13665 gameMode = EditPosition;
13668 if (currentMove > 0)
13669 CopyBoard(boards[0], boards[currentMove]);
13671 blackPlaysFirst = !WhiteOnMove(currentMove);
13673 currentMove = forwardMostMove = backwardMostMove = 0;
13674 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13681 /* [DM] icsEngineAnalyze - possible call from other functions */
13682 if (appData.icsEngineAnalyze) {
13683 appData.icsEngineAnalyze = FALSE;
13685 DisplayMessage("",_("Close ICS engine analyze..."));
13687 if (first.analysisSupport && first.analyzing) {
13688 SendToProgram("exit\n", &first);
13689 first.analyzing = FALSE;
13691 thinkOutput[0] = NULLCHAR;
13695 EditPositionDone(Boolean fakeRights)
13697 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13699 startedFromSetupPosition = TRUE;
13700 InitChessProgram(&first, FALSE);
13701 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13702 boards[0][EP_STATUS] = EP_NONE;
13703 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13704 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13705 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13706 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13707 } else boards[0][CASTLING][2] = NoRights;
13708 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13709 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13710 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13711 } else boards[0][CASTLING][5] = NoRights;
13713 SendToProgram("force\n", &first);
13714 if (blackPlaysFirst) {
13715 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13716 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13717 currentMove = forwardMostMove = backwardMostMove = 1;
13718 CopyBoard(boards[1], boards[0]);
13720 currentMove = forwardMostMove = backwardMostMove = 0;
13722 SendBoard(&first, forwardMostMove);
13723 if (appData.debugMode) {
13724 fprintf(debugFP, "EditPosDone\n");
13727 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13728 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13729 gameMode = EditGame;
13731 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13732 ClearHighlights(); /* [AS] */
13735 /* Pause for `ms' milliseconds */
13736 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13746 } while (SubtractTimeMarks(&m2, &m1) < ms);
13749 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13751 SendMultiLineToICS(buf)
13754 char temp[MSG_SIZ+1], *p;
13761 strncpy(temp, buf, len);
13766 if (*p == '\n' || *p == '\r')
13771 strcat(temp, "\n");
13773 SendToPlayer(temp, strlen(temp));
13777 SetWhiteToPlayEvent()
13779 if (gameMode == EditPosition) {
13780 blackPlaysFirst = FALSE;
13781 DisplayBothClocks(); /* works because currentMove is 0 */
13782 } else if (gameMode == IcsExamining) {
13783 SendToICS(ics_prefix);
13784 SendToICS("tomove white\n");
13789 SetBlackToPlayEvent()
13791 if (gameMode == EditPosition) {
13792 blackPlaysFirst = TRUE;
13793 currentMove = 1; /* kludge */
13794 DisplayBothClocks();
13796 } else if (gameMode == IcsExamining) {
13797 SendToICS(ics_prefix);
13798 SendToICS("tomove black\n");
13803 EditPositionMenuEvent(selection, x, y)
13804 ChessSquare selection;
13808 ChessSquare piece = boards[0][y][x];
13810 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13812 switch (selection) {
13814 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13815 SendToICS(ics_prefix);
13816 SendToICS("bsetup clear\n");
13817 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13818 SendToICS(ics_prefix);
13819 SendToICS("clearboard\n");
13821 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13822 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13823 for (y = 0; y < BOARD_HEIGHT; y++) {
13824 if (gameMode == IcsExamining) {
13825 if (boards[currentMove][y][x] != EmptySquare) {
13826 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13831 boards[0][y][x] = p;
13836 if (gameMode == EditPosition) {
13837 DrawPosition(FALSE, boards[0]);
13842 SetWhiteToPlayEvent();
13846 SetBlackToPlayEvent();
13850 if (gameMode == IcsExamining) {
13851 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13852 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13855 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13856 if(x == BOARD_LEFT-2) {
13857 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13858 boards[0][y][1] = 0;
13860 if(x == BOARD_RGHT+1) {
13861 if(y >= gameInfo.holdingsSize) break;
13862 boards[0][y][BOARD_WIDTH-2] = 0;
13865 boards[0][y][x] = EmptySquare;
13866 DrawPosition(FALSE, boards[0]);
13871 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13872 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13873 selection = (ChessSquare) (PROMOTED piece);
13874 } else if(piece == EmptySquare) selection = WhiteSilver;
13875 else selection = (ChessSquare)((int)piece - 1);
13879 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13880 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13881 selection = (ChessSquare) (DEMOTED piece);
13882 } else if(piece == EmptySquare) selection = BlackSilver;
13883 else selection = (ChessSquare)((int)piece + 1);
13888 if(gameInfo.variant == VariantShatranj ||
13889 gameInfo.variant == VariantXiangqi ||
13890 gameInfo.variant == VariantCourier ||
13891 gameInfo.variant == VariantMakruk )
13892 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13897 if(gameInfo.variant == VariantXiangqi)
13898 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13899 if(gameInfo.variant == VariantKnightmate)
13900 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13903 if (gameMode == IcsExamining) {
13904 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13905 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13906 PieceToChar(selection), AAA + x, ONE + y);
13909 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13911 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13912 n = PieceToNumber(selection - BlackPawn);
13913 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13914 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13915 boards[0][BOARD_HEIGHT-1-n][1]++;
13917 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13918 n = PieceToNumber(selection);
13919 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13920 boards[0][n][BOARD_WIDTH-1] = selection;
13921 boards[0][n][BOARD_WIDTH-2]++;
13924 boards[0][y][x] = selection;
13925 DrawPosition(TRUE, boards[0]);
13933 DropMenuEvent(selection, x, y)
13934 ChessSquare selection;
13937 ChessMove moveType;
13939 switch (gameMode) {
13940 case IcsPlayingWhite:
13941 case MachinePlaysBlack:
13942 if (!WhiteOnMove(currentMove)) {
13943 DisplayMoveError(_("It is Black's turn"));
13946 moveType = WhiteDrop;
13948 case IcsPlayingBlack:
13949 case MachinePlaysWhite:
13950 if (WhiteOnMove(currentMove)) {
13951 DisplayMoveError(_("It is White's turn"));
13954 moveType = BlackDrop;
13957 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13963 if (moveType == BlackDrop && selection < BlackPawn) {
13964 selection = (ChessSquare) ((int) selection
13965 + (int) BlackPawn - (int) WhitePawn);
13967 if (boards[currentMove][y][x] != EmptySquare) {
13968 DisplayMoveError(_("That square is occupied"));
13972 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13978 /* Accept a pending offer of any kind from opponent */
13980 if (appData.icsActive) {
13981 SendToICS(ics_prefix);
13982 SendToICS("accept\n");
13983 } else if (cmailMsgLoaded) {
13984 if (currentMove == cmailOldMove &&
13985 commentList[cmailOldMove] != NULL &&
13986 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13987 "Black offers a draw" : "White offers a draw")) {
13989 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13990 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13992 DisplayError(_("There is no pending offer on this move"), 0);
13993 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13996 /* Not used for offers from chess program */
14003 /* Decline a pending offer of any kind from opponent */
14005 if (appData.icsActive) {
14006 SendToICS(ics_prefix);
14007 SendToICS("decline\n");
14008 } else if (cmailMsgLoaded) {
14009 if (currentMove == cmailOldMove &&
14010 commentList[cmailOldMove] != NULL &&
14011 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14012 "Black offers a draw" : "White offers a draw")) {
14014 AppendComment(cmailOldMove, "Draw declined", TRUE);
14015 DisplayComment(cmailOldMove - 1, "Draw declined");
14018 DisplayError(_("There is no pending offer on this move"), 0);
14021 /* Not used for offers from chess program */
14028 /* Issue ICS rematch command */
14029 if (appData.icsActive) {
14030 SendToICS(ics_prefix);
14031 SendToICS("rematch\n");
14038 /* Call your opponent's flag (claim a win on time) */
14039 if (appData.icsActive) {
14040 SendToICS(ics_prefix);
14041 SendToICS("flag\n");
14043 switch (gameMode) {
14046 case MachinePlaysWhite:
14049 GameEnds(GameIsDrawn, "Both players ran out of time",
14052 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14054 DisplayError(_("Your opponent is not out of time"), 0);
14057 case MachinePlaysBlack:
14060 GameEnds(GameIsDrawn, "Both players ran out of time",
14063 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14065 DisplayError(_("Your opponent is not out of time"), 0);
14073 ClockClick(int which)
14074 { // [HGM] code moved to back-end from winboard.c
14075 if(which) { // black clock
14076 if (gameMode == EditPosition || gameMode == IcsExamining) {
14077 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14078 SetBlackToPlayEvent();
14079 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14080 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14081 } else if (shiftKey) {
14082 AdjustClock(which, -1);
14083 } else if (gameMode == IcsPlayingWhite ||
14084 gameMode == MachinePlaysBlack) {
14087 } else { // white clock
14088 if (gameMode == EditPosition || gameMode == IcsExamining) {
14089 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14090 SetWhiteToPlayEvent();
14091 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14092 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14093 } else if (shiftKey) {
14094 AdjustClock(which, -1);
14095 } else if (gameMode == IcsPlayingBlack ||
14096 gameMode == MachinePlaysWhite) {
14105 /* Offer draw or accept pending draw offer from opponent */
14107 if (appData.icsActive) {
14108 /* Note: tournament rules require draw offers to be
14109 made after you make your move but before you punch
14110 your clock. Currently ICS doesn't let you do that;
14111 instead, you immediately punch your clock after making
14112 a move, but you can offer a draw at any time. */
14114 SendToICS(ics_prefix);
14115 SendToICS("draw\n");
14116 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14117 } else if (cmailMsgLoaded) {
14118 if (currentMove == cmailOldMove &&
14119 commentList[cmailOldMove] != NULL &&
14120 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14121 "Black offers a draw" : "White offers a draw")) {
14122 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14123 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14124 } else if (currentMove == cmailOldMove + 1) {
14125 char *offer = WhiteOnMove(cmailOldMove) ?
14126 "White offers a draw" : "Black offers a draw";
14127 AppendComment(currentMove, offer, TRUE);
14128 DisplayComment(currentMove - 1, offer);
14129 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14131 DisplayError(_("You must make your move before offering a draw"), 0);
14132 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14134 } else if (first.offeredDraw) {
14135 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14137 if (first.sendDrawOffers) {
14138 SendToProgram("draw\n", &first);
14139 userOfferedDraw = TRUE;
14147 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14149 if (appData.icsActive) {
14150 SendToICS(ics_prefix);
14151 SendToICS("adjourn\n");
14153 /* Currently GNU Chess doesn't offer or accept Adjourns */
14161 /* Offer Abort or accept pending Abort offer from opponent */
14163 if (appData.icsActive) {
14164 SendToICS(ics_prefix);
14165 SendToICS("abort\n");
14167 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14174 /* Resign. You can do this even if it's not your turn. */
14176 if (appData.icsActive) {
14177 SendToICS(ics_prefix);
14178 SendToICS("resign\n");
14180 switch (gameMode) {
14181 case MachinePlaysWhite:
14182 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14184 case MachinePlaysBlack:
14185 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14188 if (cmailMsgLoaded) {
14190 if (WhiteOnMove(cmailOldMove)) {
14191 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14193 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14195 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14206 StopObservingEvent()
14208 /* Stop observing current games */
14209 SendToICS(ics_prefix);
14210 SendToICS("unobserve\n");
14214 StopExaminingEvent()
14216 /* Stop observing current game */
14217 SendToICS(ics_prefix);
14218 SendToICS("unexamine\n");
14222 ForwardInner(target)
14227 if (appData.debugMode)
14228 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14229 target, currentMove, forwardMostMove);
14231 if (gameMode == EditPosition)
14234 MarkTargetSquares(1);
14236 if (gameMode == PlayFromGameFile && !pausing)
14239 if (gameMode == IcsExamining && pausing)
14240 limit = pauseExamForwardMostMove;
14242 limit = forwardMostMove;
14244 if (target > limit) target = limit;
14246 if (target > 0 && moveList[target - 1][0]) {
14247 int fromX, fromY, toX, toY;
14248 toX = moveList[target - 1][2] - AAA;
14249 toY = moveList[target - 1][3] - ONE;
14250 if (moveList[target - 1][1] == '@') {
14251 if (appData.highlightLastMove) {
14252 SetHighlights(-1, -1, toX, toY);
14255 fromX = moveList[target - 1][0] - AAA;
14256 fromY = moveList[target - 1][1] - ONE;
14257 if (target == currentMove + 1) {
14258 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14260 if (appData.highlightLastMove) {
14261 SetHighlights(fromX, fromY, toX, toY);
14265 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14266 gameMode == Training || gameMode == PlayFromGameFile ||
14267 gameMode == AnalyzeFile) {
14268 while (currentMove < target) {
14269 SendMoveToProgram(currentMove++, &first);
14272 currentMove = target;
14275 if (gameMode == EditGame || gameMode == EndOfGame) {
14276 whiteTimeRemaining = timeRemaining[0][currentMove];
14277 blackTimeRemaining = timeRemaining[1][currentMove];
14279 DisplayBothClocks();
14280 DisplayMove(currentMove - 1);
14281 DrawPosition(FALSE, boards[currentMove]);
14282 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14283 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14284 DisplayComment(currentMove - 1, commentList[currentMove]);
14292 if (gameMode == IcsExamining && !pausing) {
14293 SendToICS(ics_prefix);
14294 SendToICS("forward\n");
14296 ForwardInner(currentMove + 1);
14303 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14304 /* to optimze, we temporarily turn off analysis mode while we feed
14305 * the remaining moves to the engine. Otherwise we get analysis output
14308 if (first.analysisSupport) {
14309 SendToProgram("exit\nforce\n", &first);
14310 first.analyzing = FALSE;
14314 if (gameMode == IcsExamining && !pausing) {
14315 SendToICS(ics_prefix);
14316 SendToICS("forward 999999\n");
14318 ForwardInner(forwardMostMove);
14321 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14322 /* we have fed all the moves, so reactivate analysis mode */
14323 SendToProgram("analyze\n", &first);
14324 first.analyzing = TRUE;
14325 /*first.maybeThinking = TRUE;*/
14326 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14331 BackwardInner(target)
14334 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14336 if (appData.debugMode)
14337 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14338 target, currentMove, forwardMostMove);
14340 if (gameMode == EditPosition) return;
14341 MarkTargetSquares(1);
14342 if (currentMove <= backwardMostMove) {
14344 DrawPosition(full_redraw, boards[currentMove]);
14347 if (gameMode == PlayFromGameFile && !pausing)
14350 if (moveList[target][0]) {
14351 int fromX, fromY, toX, toY;
14352 toX = moveList[target][2] - AAA;
14353 toY = moveList[target][3] - ONE;
14354 if (moveList[target][1] == '@') {
14355 if (appData.highlightLastMove) {
14356 SetHighlights(-1, -1, toX, toY);
14359 fromX = moveList[target][0] - AAA;
14360 fromY = moveList[target][1] - ONE;
14361 if (target == currentMove - 1) {
14362 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14364 if (appData.highlightLastMove) {
14365 SetHighlights(fromX, fromY, toX, toY);
14369 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14370 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14371 while (currentMove > target) {
14372 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14373 // null move cannot be undone. Reload program with move history before it.
14375 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14376 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14378 SendBoard(&first, i);
14379 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14382 SendToProgram("undo\n", &first);
14386 currentMove = target;
14389 if (gameMode == EditGame || gameMode == EndOfGame) {
14390 whiteTimeRemaining = timeRemaining[0][currentMove];
14391 blackTimeRemaining = timeRemaining[1][currentMove];
14393 DisplayBothClocks();
14394 DisplayMove(currentMove - 1);
14395 DrawPosition(full_redraw, boards[currentMove]);
14396 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14397 // [HGM] PV info: routine tests if comment empty
14398 DisplayComment(currentMove - 1, commentList[currentMove]);
14404 if (gameMode == IcsExamining && !pausing) {
14405 SendToICS(ics_prefix);
14406 SendToICS("backward\n");
14408 BackwardInner(currentMove - 1);
14415 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14416 /* to optimize, we temporarily turn off analysis mode while we undo
14417 * all the moves. Otherwise we get analysis output after each undo.
14419 if (first.analysisSupport) {
14420 SendToProgram("exit\nforce\n", &first);
14421 first.analyzing = FALSE;
14425 if (gameMode == IcsExamining && !pausing) {
14426 SendToICS(ics_prefix);
14427 SendToICS("backward 999999\n");
14429 BackwardInner(backwardMostMove);
14432 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14433 /* we have fed all the moves, so reactivate analysis mode */
14434 SendToProgram("analyze\n", &first);
14435 first.analyzing = TRUE;
14436 /*first.maybeThinking = TRUE;*/
14437 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14444 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14445 if (to >= forwardMostMove) to = forwardMostMove;
14446 if (to <= backwardMostMove) to = backwardMostMove;
14447 if (to < currentMove) {
14455 RevertEvent(Boolean annotate)
14457 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14460 if (gameMode != IcsExamining) {
14461 DisplayError(_("You are not examining a game"), 0);
14465 DisplayError(_("You can't revert while pausing"), 0);
14468 SendToICS(ics_prefix);
14469 SendToICS("revert\n");
14475 switch (gameMode) {
14476 case MachinePlaysWhite:
14477 case MachinePlaysBlack:
14478 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14479 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14482 if (forwardMostMove < 2) return;
14483 currentMove = forwardMostMove = forwardMostMove - 2;
14484 whiteTimeRemaining = timeRemaining[0][currentMove];
14485 blackTimeRemaining = timeRemaining[1][currentMove];
14486 DisplayBothClocks();
14487 DisplayMove(currentMove - 1);
14488 ClearHighlights();/*!! could figure this out*/
14489 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14490 SendToProgram("remove\n", &first);
14491 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14494 case BeginningOfGame:
14498 case IcsPlayingWhite:
14499 case IcsPlayingBlack:
14500 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14501 SendToICS(ics_prefix);
14502 SendToICS("takeback 2\n");
14504 SendToICS(ics_prefix);
14505 SendToICS("takeback 1\n");
14514 ChessProgramState *cps;
14516 switch (gameMode) {
14517 case MachinePlaysWhite:
14518 if (!WhiteOnMove(forwardMostMove)) {
14519 DisplayError(_("It is your turn"), 0);
14524 case MachinePlaysBlack:
14525 if (WhiteOnMove(forwardMostMove)) {
14526 DisplayError(_("It is your turn"), 0);
14531 case TwoMachinesPlay:
14532 if (WhiteOnMove(forwardMostMove) ==
14533 (first.twoMachinesColor[0] == 'w')) {
14539 case BeginningOfGame:
14543 SendToProgram("?\n", cps);
14547 TruncateGameEvent()
14550 if (gameMode != EditGame) return;
14557 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14558 if (forwardMostMove > currentMove) {
14559 if (gameInfo.resultDetails != NULL) {
14560 free(gameInfo.resultDetails);
14561 gameInfo.resultDetails = NULL;
14562 gameInfo.result = GameUnfinished;
14564 forwardMostMove = currentMove;
14565 HistorySet(parseList, backwardMostMove, forwardMostMove,
14573 if (appData.noChessProgram) return;
14574 switch (gameMode) {
14575 case MachinePlaysWhite:
14576 if (WhiteOnMove(forwardMostMove)) {
14577 DisplayError(_("Wait until your turn"), 0);
14581 case BeginningOfGame:
14582 case MachinePlaysBlack:
14583 if (!WhiteOnMove(forwardMostMove)) {
14584 DisplayError(_("Wait until your turn"), 0);
14589 DisplayError(_("No hint available"), 0);
14592 SendToProgram("hint\n", &first);
14593 hintRequested = TRUE;
14599 if (appData.noChessProgram) return;
14600 switch (gameMode) {
14601 case MachinePlaysWhite:
14602 if (WhiteOnMove(forwardMostMove)) {
14603 DisplayError(_("Wait until your turn"), 0);
14607 case BeginningOfGame:
14608 case MachinePlaysBlack:
14609 if (!WhiteOnMove(forwardMostMove)) {
14610 DisplayError(_("Wait until your turn"), 0);
14615 EditPositionDone(TRUE);
14617 case TwoMachinesPlay:
14622 SendToProgram("bk\n", &first);
14623 bookOutput[0] = NULLCHAR;
14624 bookRequested = TRUE;
14630 char *tags = PGNTags(&gameInfo);
14631 TagsPopUp(tags, CmailMsg());
14635 /* end button procedures */
14638 PrintPosition(fp, move)
14644 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14645 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14646 char c = PieceToChar(boards[move][i][j]);
14647 fputc(c == 'x' ? '.' : c, fp);
14648 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14651 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14652 fprintf(fp, "white to play\n");
14654 fprintf(fp, "black to play\n");
14661 if (gameInfo.white != NULL) {
14662 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14668 /* Find last component of program's own name, using some heuristics */
14670 TidyProgramName(prog, host, buf)
14671 char *prog, *host, buf[MSG_SIZ];
14674 int local = (strcmp(host, "localhost") == 0);
14675 while (!local && (p = strchr(prog, ';')) != NULL) {
14677 while (*p == ' ') p++;
14680 if (*prog == '"' || *prog == '\'') {
14681 q = strchr(prog + 1, *prog);
14683 q = strchr(prog, ' ');
14685 if (q == NULL) q = prog + strlen(prog);
14687 while (p >= prog && *p != '/' && *p != '\\') p--;
14689 if(p == prog && *p == '"') p++;
14690 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14691 memcpy(buf, p, q - p);
14692 buf[q - p] = NULLCHAR;
14700 TimeControlTagValue()
14703 if (!appData.clockMode) {
14704 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14705 } else if (movesPerSession > 0) {
14706 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14707 } else if (timeIncrement == 0) {
14708 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14710 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14712 return StrSave(buf);
14718 /* This routine is used only for certain modes */
14719 VariantClass v = gameInfo.variant;
14720 ChessMove r = GameUnfinished;
14723 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14724 r = gameInfo.result;
14725 p = gameInfo.resultDetails;
14726 gameInfo.resultDetails = NULL;
14728 ClearGameInfo(&gameInfo);
14729 gameInfo.variant = v;
14731 switch (gameMode) {
14732 case MachinePlaysWhite:
14733 gameInfo.event = StrSave( appData.pgnEventHeader );
14734 gameInfo.site = StrSave(HostName());
14735 gameInfo.date = PGNDate();
14736 gameInfo.round = StrSave("-");
14737 gameInfo.white = StrSave(first.tidy);
14738 gameInfo.black = StrSave(UserName());
14739 gameInfo.timeControl = TimeControlTagValue();
14742 case MachinePlaysBlack:
14743 gameInfo.event = StrSave( appData.pgnEventHeader );
14744 gameInfo.site = StrSave(HostName());
14745 gameInfo.date = PGNDate();
14746 gameInfo.round = StrSave("-");
14747 gameInfo.white = StrSave(UserName());
14748 gameInfo.black = StrSave(first.tidy);
14749 gameInfo.timeControl = TimeControlTagValue();
14752 case TwoMachinesPlay:
14753 gameInfo.event = StrSave( appData.pgnEventHeader );
14754 gameInfo.site = StrSave(HostName());
14755 gameInfo.date = PGNDate();
14758 snprintf(buf, MSG_SIZ, "%d", roundNr);
14759 gameInfo.round = StrSave(buf);
14761 gameInfo.round = StrSave("-");
14763 if (first.twoMachinesColor[0] == 'w') {
14764 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14765 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14767 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14768 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14770 gameInfo.timeControl = TimeControlTagValue();
14774 gameInfo.event = StrSave("Edited game");
14775 gameInfo.site = StrSave(HostName());
14776 gameInfo.date = PGNDate();
14777 gameInfo.round = StrSave("-");
14778 gameInfo.white = StrSave("-");
14779 gameInfo.black = StrSave("-");
14780 gameInfo.result = r;
14781 gameInfo.resultDetails = p;
14785 gameInfo.event = StrSave("Edited position");
14786 gameInfo.site = StrSave(HostName());
14787 gameInfo.date = PGNDate();
14788 gameInfo.round = StrSave("-");
14789 gameInfo.white = StrSave("-");
14790 gameInfo.black = StrSave("-");
14793 case IcsPlayingWhite:
14794 case IcsPlayingBlack:
14799 case PlayFromGameFile:
14800 gameInfo.event = StrSave("Game from non-PGN file");
14801 gameInfo.site = StrSave(HostName());
14802 gameInfo.date = PGNDate();
14803 gameInfo.round = StrSave("-");
14804 gameInfo.white = StrSave("?");
14805 gameInfo.black = StrSave("?");
14814 ReplaceComment(index, text)
14822 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14823 pvInfoList[index-1].depth == len &&
14824 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14825 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14826 while (*text == '\n') text++;
14827 len = strlen(text);
14828 while (len > 0 && text[len - 1] == '\n') len--;
14830 if (commentList[index] != NULL)
14831 free(commentList[index]);
14834 commentList[index] = NULL;
14837 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14838 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14839 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14840 commentList[index] = (char *) malloc(len + 2);
14841 strncpy(commentList[index], text, len);
14842 commentList[index][len] = '\n';
14843 commentList[index][len + 1] = NULLCHAR;
14845 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14847 commentList[index] = (char *) malloc(len + 7);
14848 safeStrCpy(commentList[index], "{\n", 3);
14849 safeStrCpy(commentList[index]+2, text, len+1);
14850 commentList[index][len+2] = NULLCHAR;
14851 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14852 strcat(commentList[index], "\n}\n");
14866 if (ch == '\r') continue;
14868 } while (ch != '\0');
14872 AppendComment(index, text, addBraces)
14875 Boolean addBraces; // [HGM] braces: tells if we should add {}
14880 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14881 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14884 while (*text == '\n') text++;
14885 len = strlen(text);
14886 while (len > 0 && text[len - 1] == '\n') len--;
14888 if (len == 0) return;
14890 if (commentList[index] != NULL) {
14891 Boolean addClosingBrace = addBraces;
14892 old = commentList[index];
14893 oldlen = strlen(old);
14894 while(commentList[index][oldlen-1] == '\n')
14895 commentList[index][--oldlen] = NULLCHAR;
14896 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14897 safeStrCpy(commentList[index], old, oldlen + len + 6);
14899 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14900 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14901 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14902 while (*text == '\n') { text++; len--; }
14903 commentList[index][--oldlen] = NULLCHAR;
14905 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14906 else strcat(commentList[index], "\n");
14907 strcat(commentList[index], text);
14908 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14909 else strcat(commentList[index], "\n");
14911 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14913 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14914 else commentList[index][0] = NULLCHAR;
14915 strcat(commentList[index], text);
14916 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14917 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14921 static char * FindStr( char * text, char * sub_text )
14923 char * result = strstr( text, sub_text );
14925 if( result != NULL ) {
14926 result += strlen( sub_text );
14932 /* [AS] Try to extract PV info from PGN comment */
14933 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14934 char *GetInfoFromComment( int index, char * text )
14936 char * sep = text, *p;
14938 if( text != NULL && index > 0 ) {
14941 int time = -1, sec = 0, deci;
14942 char * s_eval = FindStr( text, "[%eval " );
14943 char * s_emt = FindStr( text, "[%emt " );
14945 if( s_eval != NULL || s_emt != NULL ) {
14949 if( s_eval != NULL ) {
14950 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14954 if( delim != ']' ) {
14959 if( s_emt != NULL ) {
14964 /* We expect something like: [+|-]nnn.nn/dd */
14967 if(*text != '{') return text; // [HGM] braces: must be normal comment
14969 sep = strchr( text, '/' );
14970 if( sep == NULL || sep < (text+4) ) {
14975 if(p[1] == '(') { // comment starts with PV
14976 p = strchr(p, ')'); // locate end of PV
14977 if(p == NULL || sep < p+5) return text;
14978 // at this point we have something like "{(.*) +0.23/6 ..."
14979 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14980 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14981 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14983 time = -1; sec = -1; deci = -1;
14984 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14985 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14986 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14987 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14991 if( score_lo < 0 || score_lo >= 100 ) {
14995 if(sec >= 0) time = 600*time + 10*sec; else
14996 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14998 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15000 /* [HGM] PV time: now locate end of PV info */
15001 while( *++sep >= '0' && *sep <= '9'); // strip depth
15003 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15005 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15007 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15008 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15019 pvInfoList[index-1].depth = depth;
15020 pvInfoList[index-1].score = score;
15021 pvInfoList[index-1].time = 10*time; // centi-sec
15022 if(*sep == '}') *sep = 0; else *--sep = '{';
15023 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15029 SendToProgram(message, cps)
15031 ChessProgramState *cps;
15033 int count, outCount, error;
15036 if (cps->pr == NoProc) return;
15039 if (appData.debugMode) {
15042 fprintf(debugFP, "%ld >%-6s: %s",
15043 SubtractTimeMarks(&now, &programStartTime),
15044 cps->which, message);
15047 count = strlen(message);
15048 outCount = OutputToProcess(cps->pr, message, count, &error);
15049 if (outCount < count && !exiting
15050 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15051 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15052 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15053 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15054 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15055 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15056 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15057 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15059 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15060 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15061 gameInfo.result = res;
15063 gameInfo.resultDetails = StrSave(buf);
15065 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15066 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15071 ReceiveFromProgram(isr, closure, message, count, error)
15072 InputSourceRef isr;
15080 ChessProgramState *cps = (ChessProgramState *)closure;
15082 if (isr != cps->isr) return; /* Killed intentionally */
15085 RemoveInputSource(cps->isr);
15086 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15087 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15088 _(cps->which), cps->program);
15089 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15090 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15091 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15092 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15093 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15095 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15096 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15097 gameInfo.result = res;
15099 gameInfo.resultDetails = StrSave(buf);
15101 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15102 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15104 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15105 _(cps->which), cps->program);
15106 RemoveInputSource(cps->isr);
15108 /* [AS] Program is misbehaving badly... kill it */
15109 if( count == -2 ) {
15110 DestroyChildProcess( cps->pr, 9 );
15114 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15119 if ((end_str = strchr(message, '\r')) != NULL)
15120 *end_str = NULLCHAR;
15121 if ((end_str = strchr(message, '\n')) != NULL)
15122 *end_str = NULLCHAR;
15124 if (appData.debugMode) {
15125 TimeMark now; int print = 1;
15126 char *quote = ""; char c; int i;
15128 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15129 char start = message[0];
15130 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15131 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15132 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15133 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15134 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15135 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15136 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15137 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15138 sscanf(message, "hint: %c", &c)!=1 &&
15139 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15140 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15141 print = (appData.engineComments >= 2);
15143 message[0] = start; // restore original message
15147 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15148 SubtractTimeMarks(&now, &programStartTime), cps->which,
15154 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15155 if (appData.icsEngineAnalyze) {
15156 if (strstr(message, "whisper") != NULL ||
15157 strstr(message, "kibitz") != NULL ||
15158 strstr(message, "tellics") != NULL) return;
15161 HandleMachineMove(message, cps);
15166 SendTimeControl(cps, mps, tc, inc, sd, st)
15167 ChessProgramState *cps;
15168 int mps, inc, sd, st;
15174 if( timeControl_2 > 0 ) {
15175 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15176 tc = timeControl_2;
15179 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15180 inc /= cps->timeOdds;
15181 st /= cps->timeOdds;
15183 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15186 /* Set exact time per move, normally using st command */
15187 if (cps->stKludge) {
15188 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15190 if (seconds == 0) {
15191 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15193 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15196 snprintf(buf, MSG_SIZ, "st %d\n", st);
15199 /* Set conventional or incremental time control, using level command */
15200 if (seconds == 0) {
15201 /* Note old gnuchess bug -- minutes:seconds used to not work.
15202 Fixed in later versions, but still avoid :seconds
15203 when seconds is 0. */
15204 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15206 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15207 seconds, inc/1000.);
15210 SendToProgram(buf, cps);
15212 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15213 /* Orthogonally, limit search to given depth */
15215 if (cps->sdKludge) {
15216 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15218 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15220 SendToProgram(buf, cps);
15223 if(cps->nps >= 0) { /* [HGM] nps */
15224 if(cps->supportsNPS == FALSE)
15225 cps->nps = -1; // don't use if engine explicitly says not supported!
15227 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15228 SendToProgram(buf, cps);
15233 ChessProgramState *WhitePlayer()
15234 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15236 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15237 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15243 SendTimeRemaining(cps, machineWhite)
15244 ChessProgramState *cps;
15245 int /*boolean*/ machineWhite;
15247 char message[MSG_SIZ];
15250 /* Note: this routine must be called when the clocks are stopped
15251 or when they have *just* been set or switched; otherwise
15252 it will be off by the time since the current tick started.
15254 if (machineWhite) {
15255 time = whiteTimeRemaining / 10;
15256 otime = blackTimeRemaining / 10;
15258 time = blackTimeRemaining / 10;
15259 otime = whiteTimeRemaining / 10;
15261 /* [HGM] translate opponent's time by time-odds factor */
15262 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15263 if (appData.debugMode) {
15264 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15267 if (time <= 0) time = 1;
15268 if (otime <= 0) otime = 1;
15270 snprintf(message, MSG_SIZ, "time %ld\n", time);
15271 SendToProgram(message, cps);
15273 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15274 SendToProgram(message, cps);
15278 BoolFeature(p, name, loc, cps)
15282 ChessProgramState *cps;
15285 int len = strlen(name);
15288 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15290 sscanf(*p, "%d", &val);
15292 while (**p && **p != ' ')
15294 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15295 SendToProgram(buf, cps);
15302 IntFeature(p, name, loc, cps)
15306 ChessProgramState *cps;
15309 int len = strlen(name);
15310 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15312 sscanf(*p, "%d", loc);
15313 while (**p && **p != ' ') (*p)++;
15314 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15315 SendToProgram(buf, cps);
15322 StringFeature(p, name, loc, cps)
15326 ChessProgramState *cps;
15329 int len = strlen(name);
15330 if (strncmp((*p), name, len) == 0
15331 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15333 sscanf(*p, "%[^\"]", loc);
15334 while (**p && **p != '\"') (*p)++;
15335 if (**p == '\"') (*p)++;
15336 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15337 SendToProgram(buf, cps);
15344 ParseOption(Option *opt, ChessProgramState *cps)
15345 // [HGM] options: process the string that defines an engine option, and determine
15346 // name, type, default value, and allowed value range
15348 char *p, *q, buf[MSG_SIZ];
15349 int n, min = (-1)<<31, max = 1<<31, def;
15351 if(p = strstr(opt->name, " -spin ")) {
15352 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15353 if(max < min) max = min; // enforce consistency
15354 if(def < min) def = min;
15355 if(def > max) def = max;
15360 } else if((p = strstr(opt->name, " -slider "))) {
15361 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15362 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15363 if(max < min) max = min; // enforce consistency
15364 if(def < min) def = min;
15365 if(def > max) def = max;
15369 opt->type = Spin; // Slider;
15370 } else if((p = strstr(opt->name, " -string "))) {
15371 opt->textValue = p+9;
15372 opt->type = TextBox;
15373 } else if((p = strstr(opt->name, " -file "))) {
15374 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15375 opt->textValue = p+7;
15376 opt->type = FileName; // FileName;
15377 } else if((p = strstr(opt->name, " -path "))) {
15378 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15379 opt->textValue = p+7;
15380 opt->type = PathName; // PathName;
15381 } else if(p = strstr(opt->name, " -check ")) {
15382 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15383 opt->value = (def != 0);
15384 opt->type = CheckBox;
15385 } else if(p = strstr(opt->name, " -combo ")) {
15386 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15387 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15388 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15389 opt->value = n = 0;
15390 while(q = StrStr(q, " /// ")) {
15391 n++; *q = 0; // count choices, and null-terminate each of them
15393 if(*q == '*') { // remember default, which is marked with * prefix
15397 cps->comboList[cps->comboCnt++] = q;
15399 cps->comboList[cps->comboCnt++] = NULL;
15401 opt->type = ComboBox;
15402 } else if(p = strstr(opt->name, " -button")) {
15403 opt->type = Button;
15404 } else if(p = strstr(opt->name, " -save")) {
15405 opt->type = SaveButton;
15406 } else return FALSE;
15407 *p = 0; // terminate option name
15408 // now look if the command-line options define a setting for this engine option.
15409 if(cps->optionSettings && cps->optionSettings[0])
15410 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15411 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15412 snprintf(buf, MSG_SIZ, "option %s", p);
15413 if(p = strstr(buf, ",")) *p = 0;
15414 if(q = strchr(buf, '=')) switch(opt->type) {
15416 for(n=0; n<opt->max; n++)
15417 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15420 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15424 opt->value = atoi(q+1);
15429 SendToProgram(buf, cps);
15435 FeatureDone(cps, val)
15436 ChessProgramState* cps;
15439 DelayedEventCallback cb = GetDelayedEvent();
15440 if ((cb == InitBackEnd3 && cps == &first) ||
15441 (cb == SettingsMenuIfReady && cps == &second) ||
15442 (cb == LoadEngine) ||
15443 (cb == TwoMachinesEventIfReady)) {
15444 CancelDelayedEvent();
15445 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15447 cps->initDone = val;
15450 /* Parse feature command from engine */
15452 ParseFeatures(args, cps)
15454 ChessProgramState *cps;
15462 while (*p == ' ') p++;
15463 if (*p == NULLCHAR) return;
15465 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15466 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15467 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15468 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15469 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15470 if (BoolFeature(&p, "reuse", &val, cps)) {
15471 /* Engine can disable reuse, but can't enable it if user said no */
15472 if (!val) cps->reuse = FALSE;
15475 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15476 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15477 if (gameMode == TwoMachinesPlay) {
15478 DisplayTwoMachinesTitle();
15484 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15485 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15486 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15487 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15488 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15489 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15490 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15491 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15492 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15493 if (IntFeature(&p, "done", &val, cps)) {
15494 FeatureDone(cps, val);
15497 /* Added by Tord: */
15498 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15499 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15500 /* End of additions by Tord */
15502 /* [HGM] added features: */
15503 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15504 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15505 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15506 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15507 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15508 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15509 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15510 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15511 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15512 SendToProgram(buf, cps);
15515 if(cps->nrOptions >= MAX_OPTIONS) {
15517 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15518 DisplayError(buf, 0);
15522 /* End of additions by HGM */
15524 /* unknown feature: complain and skip */
15526 while (*q && *q != '=') q++;
15527 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15528 SendToProgram(buf, cps);
15534 while (*p && *p != '\"') p++;
15535 if (*p == '\"') p++;
15537 while (*p && *p != ' ') p++;
15545 PeriodicUpdatesEvent(newState)
15548 if (newState == appData.periodicUpdates)
15551 appData.periodicUpdates=newState;
15553 /* Display type changes, so update it now */
15554 // DisplayAnalysis();
15556 /* Get the ball rolling again... */
15558 AnalysisPeriodicEvent(1);
15559 StartAnalysisClock();
15564 PonderNextMoveEvent(newState)
15567 if (newState == appData.ponderNextMove) return;
15568 if (gameMode == EditPosition) EditPositionDone(TRUE);
15570 SendToProgram("hard\n", &first);
15571 if (gameMode == TwoMachinesPlay) {
15572 SendToProgram("hard\n", &second);
15575 SendToProgram("easy\n", &first);
15576 thinkOutput[0] = NULLCHAR;
15577 if (gameMode == TwoMachinesPlay) {
15578 SendToProgram("easy\n", &second);
15581 appData.ponderNextMove = newState;
15585 NewSettingEvent(option, feature, command, value)
15587 int option, value, *feature;
15591 if (gameMode == EditPosition) EditPositionDone(TRUE);
15592 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15593 if(feature == NULL || *feature) SendToProgram(buf, &first);
15594 if (gameMode == TwoMachinesPlay) {
15595 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15600 ShowThinkingEvent()
15601 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15603 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15604 int newState = appData.showThinking
15605 // [HGM] thinking: other features now need thinking output as well
15606 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15608 if (oldState == newState) return;
15609 oldState = newState;
15610 if (gameMode == EditPosition) EditPositionDone(TRUE);
15612 SendToProgram("post\n", &first);
15613 if (gameMode == TwoMachinesPlay) {
15614 SendToProgram("post\n", &second);
15617 SendToProgram("nopost\n", &first);
15618 thinkOutput[0] = NULLCHAR;
15619 if (gameMode == TwoMachinesPlay) {
15620 SendToProgram("nopost\n", &second);
15623 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15627 AskQuestionEvent(title, question, replyPrefix, which)
15628 char *title; char *question; char *replyPrefix; char *which;
15630 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15631 if (pr == NoProc) return;
15632 AskQuestion(title, question, replyPrefix, pr);
15636 TypeInEvent(char firstChar)
15638 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15639 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15640 gameMode == AnalyzeMode || gameMode == EditGame ||
15641 gameMode == EditPosition || gameMode == IcsExamining ||
15642 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15643 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15644 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15645 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15646 gameMode == Training) PopUpMoveDialog(firstChar);
15650 TypeInDoneEvent(char *move)
15653 int n, fromX, fromY, toX, toY;
15655 ChessMove moveType;
15658 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15659 EditPositionPasteFEN(move);
15662 // [HGM] movenum: allow move number to be typed in any mode
15663 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15668 if (gameMode != EditGame && currentMove != forwardMostMove &&
15669 gameMode != Training) {
15670 DisplayMoveError(_("Displayed move is not current"));
15672 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15673 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15674 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15675 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15676 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15677 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15679 DisplayMoveError(_("Could not parse move"));
15685 DisplayMove(moveNumber)
15688 char message[MSG_SIZ];
15690 char cpThinkOutput[MSG_SIZ];
15692 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15694 if (moveNumber == forwardMostMove - 1 ||
15695 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15697 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15699 if (strchr(cpThinkOutput, '\n')) {
15700 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15703 *cpThinkOutput = NULLCHAR;
15706 /* [AS] Hide thinking from human user */
15707 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15708 *cpThinkOutput = NULLCHAR;
15709 if( thinkOutput[0] != NULLCHAR ) {
15712 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15713 cpThinkOutput[i] = '.';
15715 cpThinkOutput[i] = NULLCHAR;
15716 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15720 if (moveNumber == forwardMostMove - 1 &&
15721 gameInfo.resultDetails != NULL) {
15722 if (gameInfo.resultDetails[0] == NULLCHAR) {
15723 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15725 snprintf(res, MSG_SIZ, " {%s} %s",
15726 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15732 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15733 DisplayMessage(res, cpThinkOutput);
15735 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15736 WhiteOnMove(moveNumber) ? " " : ".. ",
15737 parseList[moveNumber], res);
15738 DisplayMessage(message, cpThinkOutput);
15743 DisplayComment(moveNumber, text)
15747 char title[MSG_SIZ];
15749 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15750 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15752 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15753 WhiteOnMove(moveNumber) ? " " : ".. ",
15754 parseList[moveNumber]);
15756 if (text != NULL && (appData.autoDisplayComment || commentUp))
15757 CommentPopUp(title, text);
15760 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15761 * might be busy thinking or pondering. It can be omitted if your
15762 * gnuchess is configured to stop thinking immediately on any user
15763 * input. However, that gnuchess feature depends on the FIONREAD
15764 * ioctl, which does not work properly on some flavors of Unix.
15768 ChessProgramState *cps;
15771 if (!cps->useSigint) return;
15772 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15773 switch (gameMode) {
15774 case MachinePlaysWhite:
15775 case MachinePlaysBlack:
15776 case TwoMachinesPlay:
15777 case IcsPlayingWhite:
15778 case IcsPlayingBlack:
15781 /* Skip if we know it isn't thinking */
15782 if (!cps->maybeThinking) return;
15783 if (appData.debugMode)
15784 fprintf(debugFP, "Interrupting %s\n", cps->which);
15785 InterruptChildProcess(cps->pr);
15786 cps->maybeThinking = FALSE;
15791 #endif /*ATTENTION*/
15797 if (whiteTimeRemaining <= 0) {
15800 if (appData.icsActive) {
15801 if (appData.autoCallFlag &&
15802 gameMode == IcsPlayingBlack && !blackFlag) {
15803 SendToICS(ics_prefix);
15804 SendToICS("flag\n");
15808 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15810 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15811 if (appData.autoCallFlag) {
15812 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15819 if (blackTimeRemaining <= 0) {
15822 if (appData.icsActive) {
15823 if (appData.autoCallFlag &&
15824 gameMode == IcsPlayingWhite && !whiteFlag) {
15825 SendToICS(ics_prefix);
15826 SendToICS("flag\n");
15830 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15832 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15833 if (appData.autoCallFlag) {
15834 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15847 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15848 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15851 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15853 if ( !WhiteOnMove(forwardMostMove) ) {
15854 /* White made time control */
15855 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15856 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15857 /* [HGM] time odds: correct new time quota for time odds! */
15858 / WhitePlayer()->timeOdds;
15859 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15861 lastBlack -= blackTimeRemaining;
15862 /* Black made time control */
15863 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15864 / WhitePlayer()->other->timeOdds;
15865 lastWhite = whiteTimeRemaining;
15870 DisplayBothClocks()
15872 int wom = gameMode == EditPosition ?
15873 !blackPlaysFirst : WhiteOnMove(currentMove);
15874 DisplayWhiteClock(whiteTimeRemaining, wom);
15875 DisplayBlackClock(blackTimeRemaining, !wom);
15879 /* Timekeeping seems to be a portability nightmare. I think everyone
15880 has ftime(), but I'm really not sure, so I'm including some ifdefs
15881 to use other calls if you don't. Clocks will be less accurate if
15882 you have neither ftime nor gettimeofday.
15885 /* VS 2008 requires the #include outside of the function */
15886 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15887 #include <sys/timeb.h>
15890 /* Get the current time as a TimeMark */
15895 #if HAVE_GETTIMEOFDAY
15897 struct timeval timeVal;
15898 struct timezone timeZone;
15900 gettimeofday(&timeVal, &timeZone);
15901 tm->sec = (long) timeVal.tv_sec;
15902 tm->ms = (int) (timeVal.tv_usec / 1000L);
15904 #else /*!HAVE_GETTIMEOFDAY*/
15907 // include <sys/timeb.h> / moved to just above start of function
15908 struct timeb timeB;
15911 tm->sec = (long) timeB.time;
15912 tm->ms = (int) timeB.millitm;
15914 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15915 tm->sec = (long) time(NULL);
15921 /* Return the difference in milliseconds between two
15922 time marks. We assume the difference will fit in a long!
15925 SubtractTimeMarks(tm2, tm1)
15926 TimeMark *tm2, *tm1;
15928 return 1000L*(tm2->sec - tm1->sec) +
15929 (long) (tm2->ms - tm1->ms);
15934 * Code to manage the game clocks.
15936 * In tournament play, black starts the clock and then white makes a move.
15937 * We give the human user a slight advantage if he is playing white---the
15938 * clocks don't run until he makes his first move, so it takes zero time.
15939 * Also, we don't account for network lag, so we could get out of sync
15940 * with GNU Chess's clock -- but then, referees are always right.
15943 static TimeMark tickStartTM;
15944 static long intendedTickLength;
15947 NextTickLength(timeRemaining)
15948 long timeRemaining;
15950 long nominalTickLength, nextTickLength;
15952 if (timeRemaining > 0L && timeRemaining <= 10000L)
15953 nominalTickLength = 100L;
15955 nominalTickLength = 1000L;
15956 nextTickLength = timeRemaining % nominalTickLength;
15957 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15959 return nextTickLength;
15962 /* Adjust clock one minute up or down */
15964 AdjustClock(Boolean which, int dir)
15966 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15967 if(which) blackTimeRemaining += 60000*dir;
15968 else whiteTimeRemaining += 60000*dir;
15969 DisplayBothClocks();
15970 adjustedClock = TRUE;
15973 /* Stop clocks and reset to a fresh time control */
15977 (void) StopClockTimer();
15978 if (appData.icsActive) {
15979 whiteTimeRemaining = blackTimeRemaining = 0;
15980 } else if (searchTime) {
15981 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15982 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15983 } else { /* [HGM] correct new time quote for time odds */
15984 whiteTC = blackTC = fullTimeControlString;
15985 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15986 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15988 if (whiteFlag || blackFlag) {
15990 whiteFlag = blackFlag = FALSE;
15992 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15993 DisplayBothClocks();
15994 adjustedClock = FALSE;
15997 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15999 /* Decrement running clock by amount of time that has passed */
16003 long timeRemaining;
16004 long lastTickLength, fudge;
16007 if (!appData.clockMode) return;
16008 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16012 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16014 /* Fudge if we woke up a little too soon */
16015 fudge = intendedTickLength - lastTickLength;
16016 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16018 if (WhiteOnMove(forwardMostMove)) {
16019 if(whiteNPS >= 0) lastTickLength = 0;
16020 timeRemaining = whiteTimeRemaining -= lastTickLength;
16021 if(timeRemaining < 0 && !appData.icsActive) {
16022 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16023 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16024 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16025 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16028 DisplayWhiteClock(whiteTimeRemaining - fudge,
16029 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16031 if(blackNPS >= 0) lastTickLength = 0;
16032 timeRemaining = blackTimeRemaining -= lastTickLength;
16033 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16034 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16036 blackStartMove = forwardMostMove;
16037 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16040 DisplayBlackClock(blackTimeRemaining - fudge,
16041 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16043 if (CheckFlags()) return;
16046 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16047 StartClockTimer(intendedTickLength);
16049 /* if the time remaining has fallen below the alarm threshold, sound the
16050 * alarm. if the alarm has sounded and (due to a takeback or time control
16051 * with increment) the time remaining has increased to a level above the
16052 * threshold, reset the alarm so it can sound again.
16055 if (appData.icsActive && appData.icsAlarm) {
16057 /* make sure we are dealing with the user's clock */
16058 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16059 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16062 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16063 alarmSounded = FALSE;
16064 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16066 alarmSounded = TRUE;
16072 /* A player has just moved, so stop the previously running
16073 clock and (if in clock mode) start the other one.
16074 We redisplay both clocks in case we're in ICS mode, because
16075 ICS gives us an update to both clocks after every move.
16076 Note that this routine is called *after* forwardMostMove
16077 is updated, so the last fractional tick must be subtracted
16078 from the color that is *not* on move now.
16081 SwitchClocks(int newMoveNr)
16083 long lastTickLength;
16085 int flagged = FALSE;
16089 if (StopClockTimer() && appData.clockMode) {
16090 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16091 if (!WhiteOnMove(forwardMostMove)) {
16092 if(blackNPS >= 0) lastTickLength = 0;
16093 blackTimeRemaining -= lastTickLength;
16094 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16095 // if(pvInfoList[forwardMostMove].time == -1)
16096 pvInfoList[forwardMostMove].time = // use GUI time
16097 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16099 if(whiteNPS >= 0) lastTickLength = 0;
16100 whiteTimeRemaining -= lastTickLength;
16101 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16102 // if(pvInfoList[forwardMostMove].time == -1)
16103 pvInfoList[forwardMostMove].time =
16104 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16106 flagged = CheckFlags();
16108 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16109 CheckTimeControl();
16111 if (flagged || !appData.clockMode) return;
16113 switch (gameMode) {
16114 case MachinePlaysBlack:
16115 case MachinePlaysWhite:
16116 case BeginningOfGame:
16117 if (pausing) return;
16121 case PlayFromGameFile:
16129 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16130 if(WhiteOnMove(forwardMostMove))
16131 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16132 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16136 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16137 whiteTimeRemaining : blackTimeRemaining);
16138 StartClockTimer(intendedTickLength);
16142 /* Stop both clocks */
16146 long lastTickLength;
16149 if (!StopClockTimer()) return;
16150 if (!appData.clockMode) return;
16154 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16155 if (WhiteOnMove(forwardMostMove)) {
16156 if(whiteNPS >= 0) lastTickLength = 0;
16157 whiteTimeRemaining -= lastTickLength;
16158 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16160 if(blackNPS >= 0) lastTickLength = 0;
16161 blackTimeRemaining -= lastTickLength;
16162 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16167 /* Start clock of player on move. Time may have been reset, so
16168 if clock is already running, stop and restart it. */
16172 (void) StopClockTimer(); /* in case it was running already */
16173 DisplayBothClocks();
16174 if (CheckFlags()) return;
16176 if (!appData.clockMode) return;
16177 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16179 GetTimeMark(&tickStartTM);
16180 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16181 whiteTimeRemaining : blackTimeRemaining);
16183 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16184 whiteNPS = blackNPS = -1;
16185 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16186 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16187 whiteNPS = first.nps;
16188 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16189 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16190 blackNPS = first.nps;
16191 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16192 whiteNPS = second.nps;
16193 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16194 blackNPS = second.nps;
16195 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16197 StartClockTimer(intendedTickLength);
16204 long second, minute, hour, day;
16206 static char buf[32];
16208 if (ms > 0 && ms <= 9900) {
16209 /* convert milliseconds to tenths, rounding up */
16210 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16212 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16216 /* convert milliseconds to seconds, rounding up */
16217 /* use floating point to avoid strangeness of integer division
16218 with negative dividends on many machines */
16219 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16226 day = second / (60 * 60 * 24);
16227 second = second % (60 * 60 * 24);
16228 hour = second / (60 * 60);
16229 second = second % (60 * 60);
16230 minute = second / 60;
16231 second = second % 60;
16234 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16235 sign, day, hour, minute, second);
16237 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16239 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16246 * This is necessary because some C libraries aren't ANSI C compliant yet.
16249 StrStr(string, match)
16250 char *string, *match;
16254 length = strlen(match);
16256 for (i = strlen(string) - length; i >= 0; i--, string++)
16257 if (!strncmp(match, string, length))
16264 StrCaseStr(string, match)
16265 char *string, *match;
16269 length = strlen(match);
16271 for (i = strlen(string) - length; i >= 0; i--, string++) {
16272 for (j = 0; j < length; j++) {
16273 if (ToLower(match[j]) != ToLower(string[j]))
16276 if (j == length) return string;
16290 c1 = ToLower(*s1++);
16291 c2 = ToLower(*s2++);
16292 if (c1 > c2) return 1;
16293 if (c1 < c2) return -1;
16294 if (c1 == NULLCHAR) return 0;
16303 return isupper(c) ? tolower(c) : c;
16311 return islower(c) ? toupper(c) : c;
16313 #endif /* !_amigados */
16321 if ((ret = (char *) malloc(strlen(s) + 1)))
16323 safeStrCpy(ret, s, strlen(s)+1);
16329 StrSavePtr(s, savePtr)
16330 char *s, **savePtr;
16335 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16336 safeStrCpy(*savePtr, s, strlen(s)+1);
16348 clock = time((time_t *)NULL);
16349 tm = localtime(&clock);
16350 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16351 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16352 return StrSave(buf);
16357 PositionToFEN(move, overrideCastling)
16359 char *overrideCastling;
16361 int i, j, fromX, fromY, toX, toY;
16368 whiteToPlay = (gameMode == EditPosition) ?
16369 !blackPlaysFirst : (move % 2 == 0);
16372 /* Piece placement data */
16373 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16374 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16376 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16377 if (boards[move][i][j] == EmptySquare) {
16379 } else { ChessSquare piece = boards[move][i][j];
16380 if (emptycount > 0) {
16381 if(emptycount<10) /* [HGM] can be >= 10 */
16382 *p++ = '0' + emptycount;
16383 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16386 if(PieceToChar(piece) == '+') {
16387 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16389 piece = (ChessSquare)(DEMOTED piece);
16391 *p++ = PieceToChar(piece);
16393 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16394 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16399 if (emptycount > 0) {
16400 if(emptycount<10) /* [HGM] can be >= 10 */
16401 *p++ = '0' + emptycount;
16402 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16409 /* [HGM] print Crazyhouse or Shogi holdings */
16410 if( gameInfo.holdingsWidth ) {
16411 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16413 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16414 piece = boards[move][i][BOARD_WIDTH-1];
16415 if( piece != EmptySquare )
16416 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16417 *p++ = PieceToChar(piece);
16419 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16420 piece = boards[move][BOARD_HEIGHT-i-1][0];
16421 if( piece != EmptySquare )
16422 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16423 *p++ = PieceToChar(piece);
16426 if( q == p ) *p++ = '-';
16432 *p++ = whiteToPlay ? 'w' : 'b';
16435 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16436 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16438 if(nrCastlingRights) {
16440 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16441 /* [HGM] write directly from rights */
16442 if(boards[move][CASTLING][2] != NoRights &&
16443 boards[move][CASTLING][0] != NoRights )
16444 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16445 if(boards[move][CASTLING][2] != NoRights &&
16446 boards[move][CASTLING][1] != NoRights )
16447 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16448 if(boards[move][CASTLING][5] != NoRights &&
16449 boards[move][CASTLING][3] != NoRights )
16450 *p++ = boards[move][CASTLING][3] + AAA;
16451 if(boards[move][CASTLING][5] != NoRights &&
16452 boards[move][CASTLING][4] != NoRights )
16453 *p++ = boards[move][CASTLING][4] + AAA;
16456 /* [HGM] write true castling rights */
16457 if( nrCastlingRights == 6 ) {
16458 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16459 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16460 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16461 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16462 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16463 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16464 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16465 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16468 if (q == p) *p++ = '-'; /* No castling rights */
16472 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16473 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16474 /* En passant target square */
16475 if (move > backwardMostMove) {
16476 fromX = moveList[move - 1][0] - AAA;
16477 fromY = moveList[move - 1][1] - ONE;
16478 toX = moveList[move - 1][2] - AAA;
16479 toY = moveList[move - 1][3] - ONE;
16480 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16481 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16482 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16484 /* 2-square pawn move just happened */
16486 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16490 } else if(move == backwardMostMove) {
16491 // [HGM] perhaps we should always do it like this, and forget the above?
16492 if((signed char)boards[move][EP_STATUS] >= 0) {
16493 *p++ = boards[move][EP_STATUS] + AAA;
16494 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16505 /* [HGM] find reversible plies */
16506 { int i = 0, j=move;
16508 if (appData.debugMode) { int k;
16509 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16510 for(k=backwardMostMove; k<=forwardMostMove; k++)
16511 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16515 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16516 if( j == backwardMostMove ) i += initialRulePlies;
16517 sprintf(p, "%d ", i);
16518 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16520 /* Fullmove number */
16521 sprintf(p, "%d", (move / 2) + 1);
16523 return StrSave(buf);
16527 ParseFEN(board, blackPlaysFirst, fen)
16529 int *blackPlaysFirst;
16539 /* [HGM] by default clear Crazyhouse holdings, if present */
16540 if(gameInfo.holdingsWidth) {
16541 for(i=0; i<BOARD_HEIGHT; i++) {
16542 board[i][0] = EmptySquare; /* black holdings */
16543 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16544 board[i][1] = (ChessSquare) 0; /* black counts */
16545 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16549 /* Piece placement data */
16550 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16553 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16554 if (*p == '/') p++;
16555 emptycount = gameInfo.boardWidth - j;
16556 while (emptycount--)
16557 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16559 #if(BOARD_FILES >= 10)
16560 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16561 p++; emptycount=10;
16562 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16563 while (emptycount--)
16564 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16566 } else if (isdigit(*p)) {
16567 emptycount = *p++ - '0';
16568 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16569 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16570 while (emptycount--)
16571 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16572 } else if (*p == '+' || isalpha(*p)) {
16573 if (j >= gameInfo.boardWidth) return FALSE;
16575 piece = CharToPiece(*++p);
16576 if(piece == EmptySquare) return FALSE; /* unknown piece */
16577 piece = (ChessSquare) (PROMOTED piece ); p++;
16578 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16579 } else piece = CharToPiece(*p++);
16581 if(piece==EmptySquare) return FALSE; /* unknown piece */
16582 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16583 piece = (ChessSquare) (PROMOTED piece);
16584 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16587 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16593 while (*p == '/' || *p == ' ') p++;
16595 /* [HGM] look for Crazyhouse holdings here */
16596 while(*p==' ') p++;
16597 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16599 if(*p == '-' ) p++; /* empty holdings */ else {
16600 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16601 /* if we would allow FEN reading to set board size, we would */
16602 /* have to add holdings and shift the board read so far here */
16603 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16605 if((int) piece >= (int) BlackPawn ) {
16606 i = (int)piece - (int)BlackPawn;
16607 i = PieceToNumber((ChessSquare)i);
16608 if( i >= gameInfo.holdingsSize ) return FALSE;
16609 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16610 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16612 i = (int)piece - (int)WhitePawn;
16613 i = PieceToNumber((ChessSquare)i);
16614 if( i >= gameInfo.holdingsSize ) return FALSE;
16615 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16616 board[i][BOARD_WIDTH-2]++; /* black holdings */
16623 while(*p == ' ') p++;
16627 if(appData.colorNickNames) {
16628 if( c == appData.colorNickNames[0] ) c = 'w'; else
16629 if( c == appData.colorNickNames[1] ) c = 'b';
16633 *blackPlaysFirst = FALSE;
16636 *blackPlaysFirst = TRUE;
16642 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16643 /* return the extra info in global variiables */
16645 /* set defaults in case FEN is incomplete */
16646 board[EP_STATUS] = EP_UNKNOWN;
16647 for(i=0; i<nrCastlingRights; i++ ) {
16648 board[CASTLING][i] =
16649 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16650 } /* assume possible unless obviously impossible */
16651 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16652 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16653 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16654 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16655 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16656 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16657 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16658 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16661 while(*p==' ') p++;
16662 if(nrCastlingRights) {
16663 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16664 /* castling indicator present, so default becomes no castlings */
16665 for(i=0; i<nrCastlingRights; i++ ) {
16666 board[CASTLING][i] = NoRights;
16669 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16670 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16671 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16672 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16673 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16675 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16676 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16677 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16679 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16680 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16681 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16682 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16683 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16684 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16687 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16688 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16689 board[CASTLING][2] = whiteKingFile;
16692 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16693 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16694 board[CASTLING][2] = whiteKingFile;
16697 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16698 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16699 board[CASTLING][5] = blackKingFile;
16702 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16703 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16704 board[CASTLING][5] = blackKingFile;
16707 default: /* FRC castlings */
16708 if(c >= 'a') { /* black rights */
16709 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16710 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16711 if(i == BOARD_RGHT) break;
16712 board[CASTLING][5] = i;
16714 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16715 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16717 board[CASTLING][3] = c;
16719 board[CASTLING][4] = c;
16720 } else { /* white rights */
16721 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16722 if(board[0][i] == WhiteKing) break;
16723 if(i == BOARD_RGHT) break;
16724 board[CASTLING][2] = i;
16725 c -= AAA - 'a' + 'A';
16726 if(board[0][c] >= WhiteKing) break;
16728 board[CASTLING][0] = c;
16730 board[CASTLING][1] = c;
16734 for(i=0; i<nrCastlingRights; i++)
16735 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16736 if (appData.debugMode) {
16737 fprintf(debugFP, "FEN castling rights:");
16738 for(i=0; i<nrCastlingRights; i++)
16739 fprintf(debugFP, " %d", board[CASTLING][i]);
16740 fprintf(debugFP, "\n");
16743 while(*p==' ') p++;
16746 /* read e.p. field in games that know e.p. capture */
16747 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16748 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16750 p++; board[EP_STATUS] = EP_NONE;
16752 char c = *p++ - AAA;
16754 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16755 if(*p >= '0' && *p <='9') p++;
16756 board[EP_STATUS] = c;
16761 if(sscanf(p, "%d", &i) == 1) {
16762 FENrulePlies = i; /* 50-move ply counter */
16763 /* (The move number is still ignored) */
16770 EditPositionPasteFEN(char *fen)
16773 Board initial_position;
16775 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16776 DisplayError(_("Bad FEN position in clipboard"), 0);
16779 int savedBlackPlaysFirst = blackPlaysFirst;
16780 EditPositionEvent();
16781 blackPlaysFirst = savedBlackPlaysFirst;
16782 CopyBoard(boards[0], initial_position);
16783 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16784 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16785 DisplayBothClocks();
16786 DrawPosition(FALSE, boards[currentMove]);
16791 static char cseq[12] = "\\ ";
16793 Boolean set_cont_sequence(char *new_seq)
16798 // handle bad attempts to set the sequence
16800 return 0; // acceptable error - no debug
16802 len = strlen(new_seq);
16803 ret = (len > 0) && (len < sizeof(cseq));
16805 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16806 else if (appData.debugMode)
16807 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16812 reformat a source message so words don't cross the width boundary. internal
16813 newlines are not removed. returns the wrapped size (no null character unless
16814 included in source message). If dest is NULL, only calculate the size required
16815 for the dest buffer. lp argument indicats line position upon entry, and it's
16816 passed back upon exit.
16818 int wrap(char *dest, char *src, int count, int width, int *lp)
16820 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16822 cseq_len = strlen(cseq);
16823 old_line = line = *lp;
16824 ansi = len = clen = 0;
16826 for (i=0; i < count; i++)
16828 if (src[i] == '\033')
16831 // if we hit the width, back up
16832 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16834 // store i & len in case the word is too long
16835 old_i = i, old_len = len;
16837 // find the end of the last word
16838 while (i && src[i] != ' ' && src[i] != '\n')
16844 // word too long? restore i & len before splitting it
16845 if ((old_i-i+clen) >= width)
16852 if (i && src[i-1] == ' ')
16855 if (src[i] != ' ' && src[i] != '\n')
16862 // now append the newline and continuation sequence
16867 strncpy(dest+len, cseq, cseq_len);
16875 dest[len] = src[i];
16879 if (src[i] == '\n')
16884 if (dest && appData.debugMode)
16886 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16887 count, width, line, len, *lp);
16888 show_bytes(debugFP, src, count);
16889 fprintf(debugFP, "\ndest: ");
16890 show_bytes(debugFP, dest, len);
16891 fprintf(debugFP, "\n");
16893 *lp = dest ? line : old_line;
16898 // [HGM] vari: routines for shelving variations
16899 Boolean modeRestore = FALSE;
16902 PushInner(int firstMove, int lastMove)
16904 int i, j, nrMoves = lastMove - firstMove;
16906 // push current tail of game on stack
16907 savedResult[storedGames] = gameInfo.result;
16908 savedDetails[storedGames] = gameInfo.resultDetails;
16909 gameInfo.resultDetails = NULL;
16910 savedFirst[storedGames] = firstMove;
16911 savedLast [storedGames] = lastMove;
16912 savedFramePtr[storedGames] = framePtr;
16913 framePtr -= nrMoves; // reserve space for the boards
16914 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16915 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16916 for(j=0; j<MOVE_LEN; j++)
16917 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16918 for(j=0; j<2*MOVE_LEN; j++)
16919 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16920 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16921 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16922 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16923 pvInfoList[firstMove+i-1].depth = 0;
16924 commentList[framePtr+i] = commentList[firstMove+i];
16925 commentList[firstMove+i] = NULL;
16929 forwardMostMove = firstMove; // truncate game so we can start variation
16933 PushTail(int firstMove, int lastMove)
16935 if(appData.icsActive) { // only in local mode
16936 forwardMostMove = currentMove; // mimic old ICS behavior
16939 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16941 PushInner(firstMove, lastMove);
16942 if(storedGames == 1) GreyRevert(FALSE);
16943 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16947 PopInner(Boolean annotate)
16950 char buf[8000], moveBuf[20];
16952 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16953 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16954 nrMoves = savedLast[storedGames] - currentMove;
16957 if(!WhiteOnMove(currentMove))
16958 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16959 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16960 for(i=currentMove; i<forwardMostMove; i++) {
16962 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16963 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16964 strcat(buf, moveBuf);
16965 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16966 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16970 for(i=1; i<=nrMoves; i++) { // copy last variation back
16971 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16972 for(j=0; j<MOVE_LEN; j++)
16973 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16974 for(j=0; j<2*MOVE_LEN; j++)
16975 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16976 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16977 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16978 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16979 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16980 commentList[currentMove+i] = commentList[framePtr+i];
16981 commentList[framePtr+i] = NULL;
16983 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16984 framePtr = savedFramePtr[storedGames];
16985 gameInfo.result = savedResult[storedGames];
16986 if(gameInfo.resultDetails != NULL) {
16987 free(gameInfo.resultDetails);
16989 gameInfo.resultDetails = savedDetails[storedGames];
16990 forwardMostMove = currentMove + nrMoves;
16994 PopTail(Boolean annotate)
16996 if(appData.icsActive) return FALSE; // only in local mode
16997 if(!storedGames) return FALSE; // sanity
16998 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17000 PopInner(annotate);
17001 if(currentMove < forwardMostMove) ForwardEvent(); else
17002 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17004 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17010 { // remove all shelved variations
17012 for(i=0; i<storedGames; i++) {
17013 if(savedDetails[i])
17014 free(savedDetails[i]);
17015 savedDetails[i] = NULL;
17017 for(i=framePtr; i<MAX_MOVES; i++) {
17018 if(commentList[i]) free(commentList[i]);
17019 commentList[i] = NULL;
17021 framePtr = MAX_MOVES-1;
17026 LoadVariation(int index, char *text)
17027 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17028 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17029 int level = 0, move;
17031 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17032 // first find outermost bracketing variation
17033 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17034 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17035 if(*p == '{') wait = '}'; else
17036 if(*p == '[') wait = ']'; else
17037 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17038 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17040 if(*p == wait) wait = NULLCHAR; // closing ]} found
17043 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17044 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17045 end[1] = NULLCHAR; // clip off comment beyond variation
17046 ToNrEvent(currentMove-1);
17047 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17048 // kludge: use ParsePV() to append variation to game
17049 move = currentMove;
17050 ParsePV(start, TRUE, TRUE);
17051 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17052 ClearPremoveHighlights();
17054 ToNrEvent(currentMove+1);