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];
4957 if(gameInfo.variant == VariantSChess && promoChar)
4958 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4959 else suffix[0] = NULLCHAR;
4963 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4964 (int)moveType, fromX, fromY, toX, toY);
4965 DisplayError(user_move + strlen("say "), 0);
4967 case WhiteKingSideCastle:
4968 case BlackKingSideCastle:
4969 case WhiteQueenSideCastleWild:
4970 case BlackQueenSideCastleWild:
4972 case WhiteHSideCastleFR:
4973 case BlackHSideCastleFR:
4975 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4977 case WhiteQueenSideCastle:
4978 case BlackQueenSideCastle:
4979 case WhiteKingSideCastleWild:
4980 case BlackKingSideCastleWild:
4982 case WhiteASideCastleFR:
4983 case BlackASideCastleFR:
4985 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4987 case WhiteNonPromotion:
4988 case BlackNonPromotion:
4989 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4991 case WhitePromotion:
4992 case BlackPromotion:
4993 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4994 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4995 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4996 PieceToChar(WhiteFerz));
4997 else if(gameInfo.variant == VariantGreat)
4998 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4999 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5000 PieceToChar(WhiteMan));
5002 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5003 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5009 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5010 ToUpper(PieceToChar((ChessSquare) fromX)),
5011 AAA + toX, ONE + toY);
5013 case IllegalMove: /* could be a variant we don't quite understand */
5014 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5016 case WhiteCapturesEnPassant:
5017 case BlackCapturesEnPassant:
5018 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5019 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5022 SendToICS(user_move);
5023 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5024 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5029 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5030 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5031 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5032 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5033 DisplayError("You cannot do this while you are playing or observing", 0);
5036 if(gameMode != IcsExamining) { // is this ever not the case?
5037 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5039 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5040 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5041 } else { // on FICS we must first go to general examine mode
5042 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5044 if(gameInfo.variant != VariantNormal) {
5045 // try figure out wild number, as xboard names are not always valid on ICS
5046 for(i=1; i<=36; i++) {
5047 snprintf(buf, MSG_SIZ, "wild/%d", i);
5048 if(StringToVariant(buf) == gameInfo.variant) break;
5050 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5051 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5052 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5053 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5054 SendToICS(ics_prefix);
5056 if(startedFromSetupPosition || backwardMostMove != 0) {
5057 fen = PositionToFEN(backwardMostMove, NULL);
5058 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5059 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5061 } else { // FICS: everything has to set by separate bsetup commands
5062 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5063 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5065 if(!WhiteOnMove(backwardMostMove)) {
5066 SendToICS("bsetup tomove black\n");
5068 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5069 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5071 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5072 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5074 i = boards[backwardMostMove][EP_STATUS];
5075 if(i >= 0) { // set e.p.
5076 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5082 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5083 SendToICS("bsetup done\n"); // switch to normal examining.
5085 for(i = backwardMostMove; i<last; i++) {
5087 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5090 SendToICS(ics_prefix);
5091 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5095 CoordsToComputerAlgebraic(rf, ff, rt, ft, promoChar, move)
5100 if (rf == DROP_RANK) {
5101 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5102 sprintf(move, "%c@%c%c\n",
5103 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5105 if (promoChar == 'x' || promoChar == NULLCHAR) {
5106 sprintf(move, "%c%c%c%c\n",
5107 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5109 sprintf(move, "%c%c%c%c%c\n",
5110 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5116 ProcessICSInitScript(f)
5121 while (fgets(buf, MSG_SIZ, f)) {
5122 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5129 static int lastX, lastY, selectFlag, dragging;
5134 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5135 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5136 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5137 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5138 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5139 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5142 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5143 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5144 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5145 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5146 if(!step) step = -1;
5147 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5148 appData.testLegality && (promoSweep == king ||
5149 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5150 ChangeDragPiece(promoSweep);
5153 int PromoScroll(int x, int y)
5157 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5158 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5159 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5160 if(!step) return FALSE;
5161 lastX = x; lastY = y;
5162 if((promoSweep < BlackPawn) == flipView) step = -step;
5163 if(step > 0) selectFlag = 1;
5164 if(!selectFlag) Sweep(step);
5171 ChessSquare piece = boards[currentMove][toY][toX];
5174 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5175 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5176 if(!step) step = -1;
5177 } while(PieceToChar(pieceSweep) == '.');
5178 boards[currentMove][toY][toX] = pieceSweep;
5179 DrawPosition(FALSE, boards[currentMove]);
5180 boards[currentMove][toY][toX] = piece;
5182 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5184 AlphaRank(char *move, int n)
5186 // char *p = move, c; int x, y;
5188 if (appData.debugMode) {
5189 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5193 move[2]>='0' && move[2]<='9' &&
5194 move[3]>='a' && move[3]<='x' ) {
5196 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5197 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5199 if(move[0]>='0' && move[0]<='9' &&
5200 move[1]>='a' && move[1]<='x' &&
5201 move[2]>='0' && move[2]<='9' &&
5202 move[3]>='a' && move[3]<='x' ) {
5203 /* input move, Shogi -> normal */
5204 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5205 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5206 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5207 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5210 move[3]>='0' && move[3]<='9' &&
5211 move[2]>='a' && move[2]<='x' ) {
5213 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5214 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5217 move[0]>='a' && move[0]<='x' &&
5218 move[3]>='0' && move[3]<='9' &&
5219 move[2]>='a' && move[2]<='x' ) {
5220 /* output move, normal -> Shogi */
5221 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5222 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5223 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5224 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5225 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5227 if (appData.debugMode) {
5228 fprintf(debugFP, " out = '%s'\n", move);
5232 char yy_textstr[8000];
5234 /* Parser for moves from gnuchess, ICS, or user typein box */
5236 ParseOneMove(move, moveNum, moveType, fromX, fromY, toX, toY, promoChar)
5239 ChessMove *moveType;
5240 int *fromX, *fromY, *toX, *toY;
5243 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5245 switch (*moveType) {
5246 case WhitePromotion:
5247 case BlackPromotion:
5248 case WhiteNonPromotion:
5249 case BlackNonPromotion:
5251 case WhiteCapturesEnPassant:
5252 case BlackCapturesEnPassant:
5253 case WhiteKingSideCastle:
5254 case WhiteQueenSideCastle:
5255 case BlackKingSideCastle:
5256 case BlackQueenSideCastle:
5257 case WhiteKingSideCastleWild:
5258 case WhiteQueenSideCastleWild:
5259 case BlackKingSideCastleWild:
5260 case BlackQueenSideCastleWild:
5261 /* Code added by Tord: */
5262 case WhiteHSideCastleFR:
5263 case WhiteASideCastleFR:
5264 case BlackHSideCastleFR:
5265 case BlackASideCastleFR:
5266 /* End of code added by Tord */
5267 case IllegalMove: /* bug or odd chess variant */
5268 *fromX = currentMoveString[0] - AAA;
5269 *fromY = currentMoveString[1] - ONE;
5270 *toX = currentMoveString[2] - AAA;
5271 *toY = currentMoveString[3] - ONE;
5272 *promoChar = currentMoveString[4];
5273 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5274 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5275 if (appData.debugMode) {
5276 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5278 *fromX = *fromY = *toX = *toY = 0;
5281 if (appData.testLegality) {
5282 return (*moveType != IllegalMove);
5284 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5285 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5290 *fromX = *moveType == WhiteDrop ?
5291 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5292 (int) CharToPiece(ToLower(currentMoveString[0]));
5294 *toX = currentMoveString[2] - AAA;
5295 *toY = currentMoveString[3] - ONE;
5296 *promoChar = NULLCHAR;
5300 case ImpossibleMove:
5310 if (appData.debugMode) {
5311 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5314 *fromX = *fromY = *toX = *toY = 0;
5315 *promoChar = NULLCHAR;
5320 Boolean pushed = FALSE;
5321 char *lastParseAttempt;
5324 ParsePV(char *pv, Boolean storeComments, Boolean atEnd)
5325 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5326 int fromX, fromY, toX, toY; char promoChar;
5331 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5332 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5335 endPV = forwardMostMove;
5337 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5338 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5339 lastParseAttempt = pv;
5340 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5341 if(appData.debugMode){
5342 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);
5344 if(!valid && nr == 0 &&
5345 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5346 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5347 // Hande case where played move is different from leading PV move
5348 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5349 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5350 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5351 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5352 endPV += 2; // if position different, keep this
5353 moveList[endPV-1][0] = fromX + AAA;
5354 moveList[endPV-1][1] = fromY + ONE;
5355 moveList[endPV-1][2] = toX + AAA;
5356 moveList[endPV-1][3] = toY + ONE;
5357 parseList[endPV-1][0] = NULLCHAR;
5358 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5361 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5362 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5363 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5364 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5365 valid++; // allow comments in PV
5369 if(endPV+1 > framePtr) break; // no space, truncate
5372 CopyBoard(boards[endPV], boards[endPV-1]);
5373 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5374 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5375 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5376 CoordsToAlgebraic(boards[endPV - 1],
5377 PosFlags(endPV - 1),
5378 fromY, fromX, toY, toX, promoChar,
5379 parseList[endPV - 1]);
5381 if(atEnd == 2) return; // used hidden, for PV conversion
5382 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5383 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5384 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5385 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5386 DrawPosition(TRUE, boards[currentMove]);
5390 MultiPV(ChessProgramState *cps)
5391 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5393 for(i=0; i<cps->nrOptions; i++)
5394 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5400 LoadMultiPV(int x, int y, char *buf, int index, int *start, int *end)
5402 int startPV, multi, lineStart, origIndex = index;
5403 char *p, buf2[MSG_SIZ];
5405 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5406 lastX = x; lastY = y;
5407 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5408 lineStart = startPV = index;
5409 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5410 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5412 do{ while(buf[index] && buf[index] != '\n') index++;
5413 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5415 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5416 int n = first.option[multi].value;
5417 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5418 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5419 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5420 first.option[multi].value = n;
5424 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5425 *start = startPV; *end = index-1;
5432 static char buf[10*MSG_SIZ];
5433 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5435 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5436 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5437 for(i = forwardMostMove; i<endPV; i++){
5438 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5439 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5442 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5443 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5449 LoadPV(int x, int y)
5450 { // called on right mouse click to load PV
5451 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5452 lastX = x; lastY = y;
5453 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5460 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5461 if(endPV < 0) return;
5463 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5464 Boolean saveAnimate = appData.animate;
5466 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5467 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5468 } else storedGames--; // abandon shelved tail of original game
5471 forwardMostMove = currentMove;
5472 currentMove = oldFMM;
5473 appData.animate = FALSE;
5474 ToNrEvent(forwardMostMove);
5475 appData.animate = saveAnimate;
5477 currentMove = forwardMostMove;
5478 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5479 ClearPremoveHighlights();
5480 DrawPosition(TRUE, boards[currentMove]);
5484 MovePV(int x, int y, int h)
5485 { // step through PV based on mouse coordinates (called on mouse move)
5486 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5488 // we must somehow check if right button is still down (might be released off board!)
5489 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5490 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5491 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5493 lastX = x; lastY = y;
5495 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5496 if(endPV < 0) return;
5497 if(y < margin) step = 1; else
5498 if(y > h - margin) step = -1;
5499 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5500 currentMove += step;
5501 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5502 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5503 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5504 DrawPosition(FALSE, boards[currentMove]);
5508 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5509 // All positions will have equal probability, but the current method will not provide a unique
5510 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5516 int piecesLeft[(int)BlackPawn];
5517 int seed, nrOfShuffles;
5519 void GetPositionNumber()
5520 { // sets global variable seed
5523 seed = appData.defaultFrcPosition;
5524 if(seed < 0) { // randomize based on time for negative FRC position numbers
5525 for(i=0; i<50; i++) seed += random();
5526 seed = random() ^ random() >> 8 ^ random() << 8;
5527 if(seed<0) seed = -seed;
5531 int put(Board board, int pieceType, int rank, int n, int shade)
5532 // put the piece on the (n-1)-th empty squares of the given shade
5536 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5537 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5538 board[rank][i] = (ChessSquare) pieceType;
5539 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5541 piecesLeft[pieceType]--;
5549 void AddOnePiece(Board board, int pieceType, int rank, int shade)
5550 // calculate where the next piece goes, (any empty square), and put it there
5554 i = seed % squaresLeft[shade];
5555 nrOfShuffles *= squaresLeft[shade];
5556 seed /= squaresLeft[shade];
5557 put(board, pieceType, rank, i, shade);
5560 void AddTwoPieces(Board board, int pieceType, int rank)
5561 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5563 int i, n=squaresLeft[ANY], j=n-1, k;
5565 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5566 i = seed % k; // pick one
5569 while(i >= j) i -= j--;
5570 j = n - 1 - j; i += j;
5571 put(board, pieceType, rank, j, ANY);
5572 put(board, pieceType, rank, i, ANY);
5575 void SetUpShuffle(Board board, int number)
5579 GetPositionNumber(); nrOfShuffles = 1;
5581 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5582 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5583 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5585 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5587 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5588 p = (int) board[0][i];
5589 if(p < (int) BlackPawn) piecesLeft[p] ++;
5590 board[0][i] = EmptySquare;
5593 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5594 // shuffles restricted to allow normal castling put KRR first
5595 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5596 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5597 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5598 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5599 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5600 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5601 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5602 put(board, WhiteRook, 0, 0, ANY);
5603 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5606 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5607 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5608 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5609 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5610 while(piecesLeft[p] >= 2) {
5611 AddOnePiece(board, p, 0, LITE);
5612 AddOnePiece(board, p, 0, DARK);
5614 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5617 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5618 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5619 // but we leave King and Rooks for last, to possibly obey FRC restriction
5620 if(p == (int)WhiteRook) continue;
5621 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5622 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5625 // now everything is placed, except perhaps King (Unicorn) and Rooks
5627 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5628 // Last King gets castling rights
5629 while(piecesLeft[(int)WhiteUnicorn]) {
5630 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5631 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5634 while(piecesLeft[(int)WhiteKing]) {
5635 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5636 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5641 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5642 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5645 // Only Rooks can be left; simply place them all
5646 while(piecesLeft[(int)WhiteRook]) {
5647 i = put(board, WhiteRook, 0, 0, ANY);
5648 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5651 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5653 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5656 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5657 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5660 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5663 int SetCharTable( char *table, const char * map )
5664 /* [HGM] moved here from winboard.c because of its general usefulness */
5665 /* Basically a safe strcpy that uses the last character as King */
5667 int result = FALSE; int NrPieces;
5669 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5670 && NrPieces >= 12 && !(NrPieces&1)) {
5671 int i; /* [HGM] Accept even length from 12 to 34 */
5673 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5674 for( i=0; i<NrPieces/2-1; i++ ) {
5676 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5678 table[(int) WhiteKing] = map[NrPieces/2-1];
5679 table[(int) BlackKing] = map[NrPieces-1];
5687 void Prelude(Board board)
5688 { // [HGM] superchess: random selection of exo-pieces
5689 int i, j, k; ChessSquare p;
5690 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5692 GetPositionNumber(); // use FRC position number
5694 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5695 SetCharTable(pieceToChar, appData.pieceToCharTable);
5696 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5697 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5700 j = seed%4; seed /= 4;
5701 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5702 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5703 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5704 j = seed%3 + (seed%3 >= j); seed /= 3;
5705 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5706 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5707 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5708 j = seed%3; seed /= 3;
5709 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5710 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5711 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5712 j = seed%2 + (seed%2 >= j); seed /= 2;
5713 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5714 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5715 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5716 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5717 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5718 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5719 put(board, exoPieces[0], 0, 0, ANY);
5720 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5724 InitPosition(redraw)
5727 ChessSquare (* pieces)[BOARD_FILES];
5728 int i, j, pawnRow, overrule,
5729 oldx = gameInfo.boardWidth,
5730 oldy = gameInfo.boardHeight,
5731 oldh = gameInfo.holdingsWidth;
5734 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5736 /* [AS] Initialize pv info list [HGM] and game status */
5738 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5739 pvInfoList[i].depth = 0;
5740 boards[i][EP_STATUS] = EP_NONE;
5741 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5744 initialRulePlies = 0; /* 50-move counter start */
5746 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5747 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5751 /* [HGM] logic here is completely changed. In stead of full positions */
5752 /* the initialized data only consist of the two backranks. The switch */
5753 /* selects which one we will use, which is than copied to the Board */
5754 /* initialPosition, which for the rest is initialized by Pawns and */
5755 /* empty squares. This initial position is then copied to boards[0], */
5756 /* possibly after shuffling, so that it remains available. */
5758 gameInfo.holdingsWidth = 0; /* default board sizes */
5759 gameInfo.boardWidth = 8;
5760 gameInfo.boardHeight = 8;
5761 gameInfo.holdingsSize = 0;
5762 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5763 for(i=0; i<BOARD_FILES-2; i++)
5764 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5765 initialPosition[EP_STATUS] = EP_NONE;
5766 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5767 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5768 SetCharTable(pieceNickName, appData.pieceNickNames);
5769 else SetCharTable(pieceNickName, "............");
5772 switch (gameInfo.variant) {
5773 case VariantFischeRandom:
5774 shuffleOpenings = TRUE;
5777 case VariantShatranj:
5778 pieces = ShatranjArray;
5779 nrCastlingRights = 0;
5780 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5783 pieces = makrukArray;
5784 nrCastlingRights = 0;
5785 startedFromSetupPosition = TRUE;
5786 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5788 case VariantTwoKings:
5789 pieces = twoKingsArray;
5792 pieces = GrandArray;
5793 nrCastlingRights = 0;
5794 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5795 gameInfo.boardWidth = 10;
5796 gameInfo.boardHeight = 10;
5797 gameInfo.holdingsSize = 7;
5799 case VariantCapaRandom:
5800 shuffleOpenings = TRUE;
5801 case VariantCapablanca:
5802 pieces = CapablancaArray;
5803 gameInfo.boardWidth = 10;
5804 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5807 pieces = GothicArray;
5808 gameInfo.boardWidth = 10;
5809 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5812 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5813 gameInfo.holdingsSize = 7;
5816 pieces = JanusArray;
5817 gameInfo.boardWidth = 10;
5818 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5819 nrCastlingRights = 6;
5820 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5821 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5822 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5823 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5824 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5825 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5828 pieces = FalconArray;
5829 gameInfo.boardWidth = 10;
5830 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5832 case VariantXiangqi:
5833 pieces = XiangqiArray;
5834 gameInfo.boardWidth = 9;
5835 gameInfo.boardHeight = 10;
5836 nrCastlingRights = 0;
5837 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5840 pieces = ShogiArray;
5841 gameInfo.boardWidth = 9;
5842 gameInfo.boardHeight = 9;
5843 gameInfo.holdingsSize = 7;
5844 nrCastlingRights = 0;
5845 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5847 case VariantCourier:
5848 pieces = CourierArray;
5849 gameInfo.boardWidth = 12;
5850 nrCastlingRights = 0;
5851 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5853 case VariantKnightmate:
5854 pieces = KnightmateArray;
5855 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5857 case VariantSpartan:
5858 pieces = SpartanArray;
5859 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5862 pieces = fairyArray;
5863 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5866 pieces = GreatArray;
5867 gameInfo.boardWidth = 10;
5868 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5869 gameInfo.holdingsSize = 8;
5873 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5874 gameInfo.holdingsSize = 8;
5875 startedFromSetupPosition = TRUE;
5877 case VariantCrazyhouse:
5878 case VariantBughouse:
5880 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5881 gameInfo.holdingsSize = 5;
5883 case VariantWildCastle:
5885 /* !!?shuffle with kings guaranteed to be on d or e file */
5886 shuffleOpenings = 1;
5888 case VariantNoCastle:
5890 nrCastlingRights = 0;
5891 /* !!?unconstrained back-rank shuffle */
5892 shuffleOpenings = 1;
5897 if(appData.NrFiles >= 0) {
5898 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5899 gameInfo.boardWidth = appData.NrFiles;
5901 if(appData.NrRanks >= 0) {
5902 gameInfo.boardHeight = appData.NrRanks;
5904 if(appData.holdingsSize >= 0) {
5905 i = appData.holdingsSize;
5906 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5907 gameInfo.holdingsSize = i;
5909 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5910 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5911 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5913 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5914 if(pawnRow < 1) pawnRow = 1;
5915 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5917 /* User pieceToChar list overrules defaults */
5918 if(appData.pieceToCharTable != NULL)
5919 SetCharTable(pieceToChar, appData.pieceToCharTable);
5921 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5923 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5924 s = (ChessSquare) 0; /* account holding counts in guard band */
5925 for( i=0; i<BOARD_HEIGHT; i++ )
5926 initialPosition[i][j] = s;
5928 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5929 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5930 initialPosition[pawnRow][j] = WhitePawn;
5931 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5932 if(gameInfo.variant == VariantXiangqi) {
5934 initialPosition[pawnRow][j] =
5935 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5936 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5937 initialPosition[2][j] = WhiteCannon;
5938 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5942 if(gameInfo.variant == VariantGrand) {
5943 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5944 initialPosition[0][j] = WhiteRook;
5945 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5948 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5950 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5953 initialPosition[1][j] = WhiteBishop;
5954 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5956 initialPosition[1][j] = WhiteRook;
5957 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5960 if( nrCastlingRights == -1) {
5961 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5962 /* This sets default castling rights from none to normal corners */
5963 /* Variants with other castling rights must set them themselves above */
5964 nrCastlingRights = 6;
5966 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5967 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5968 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5969 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5970 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5971 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5974 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5975 if(gameInfo.variant == VariantGreat) { // promotion commoners
5976 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5977 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5978 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5979 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5981 if( gameInfo.variant == VariantSChess ) {
5982 initialPosition[1][0] = BlackMarshall;
5983 initialPosition[2][0] = BlackAngel;
5984 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5985 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5986 initialPosition[1][1] = initialPosition[2][1] =
5987 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5989 if (appData.debugMode) {
5990 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5992 if(shuffleOpenings) {
5993 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5994 startedFromSetupPosition = TRUE;
5996 if(startedFromPositionFile) {
5997 /* [HGM] loadPos: use PositionFile for every new game */
5998 CopyBoard(initialPosition, filePosition);
5999 for(i=0; i<nrCastlingRights; i++)
6000 initialRights[i] = filePosition[CASTLING][i];
6001 startedFromSetupPosition = TRUE;
6004 CopyBoard(boards[0], initialPosition);
6006 if(oldx != gameInfo.boardWidth ||
6007 oldy != gameInfo.boardHeight ||
6008 oldv != gameInfo.variant ||
6009 oldh != gameInfo.holdingsWidth
6011 InitDrawingSizes(-2 ,0);
6013 oldv = gameInfo.variant;
6015 DrawPosition(TRUE, boards[currentMove]);
6019 SendBoard(cps, moveNum)
6020 ChessProgramState *cps;
6023 char message[MSG_SIZ];
6025 if (cps->useSetboard) {
6026 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6027 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6028 SendToProgram(message, cps);
6034 /* Kludge to set black to move, avoiding the troublesome and now
6035 * deprecated "black" command.
6037 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6038 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6040 SendToProgram("edit\n", cps);
6041 SendToProgram("#\n", cps);
6042 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6043 bp = &boards[moveNum][i][BOARD_LEFT];
6044 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6045 if ((int) *bp < (int) BlackPawn) {
6046 snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp),
6048 if(message[0] == '+' || message[0] == '~') {
6049 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6050 PieceToChar((ChessSquare)(DEMOTED *bp)),
6053 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6054 message[1] = BOARD_RGHT - 1 - j + '1';
6055 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6057 SendToProgram(message, cps);
6062 SendToProgram("c\n", cps);
6063 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6064 bp = &boards[moveNum][i][BOARD_LEFT];
6065 for (j = BOARD_LEFT; j < BOARD_RGHT; j++, bp++) {
6066 if (((int) *bp != (int) EmptySquare)
6067 && ((int) *bp >= (int) BlackPawn)) {
6068 snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6070 if(message[0] == '+' || message[0] == '~') {
6071 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6072 PieceToChar((ChessSquare)(DEMOTED *bp)),
6075 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6076 message[1] = BOARD_RGHT - 1 - j + '1';
6077 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6079 SendToProgram(message, cps);
6084 SendToProgram(".\n", cps);
6086 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6090 DefaultPromoChoice(int white)
6093 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6094 result = WhiteFerz; // no choice
6095 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6096 result= WhiteKing; // in Suicide Q is the last thing we want
6097 else if(gameInfo.variant == VariantSpartan)
6098 result = white ? WhiteQueen : WhiteAngel;
6099 else result = WhiteQueen;
6100 if(!white) result = WHITE_TO_BLACK result;
6104 static int autoQueen; // [HGM] oneclick
6107 HasPromotionChoice(int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6109 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6110 /* [HGM] add Shogi promotions */
6111 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6116 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6117 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6119 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6120 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6123 piece = boards[currentMove][fromY][fromX];
6124 if(gameInfo.variant == VariantShogi) {
6125 promotionZoneSize = BOARD_HEIGHT/3;
6126 highestPromotingPiece = (int)WhiteFerz;
6127 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6128 promotionZoneSize = 3;
6131 // Treat Lance as Pawn when it is not representing Amazon
6132 if(gameInfo.variant != VariantSuper) {
6133 if(piece == WhiteLance) piece = WhitePawn; else
6134 if(piece == BlackLance) piece = BlackPawn;
6137 // next weed out all moves that do not touch the promotion zone at all
6138 if((int)piece >= BlackPawn) {
6139 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6141 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6143 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6144 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6147 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6149 // weed out mandatory Shogi promotions
6150 if(gameInfo.variant == VariantShogi) {
6151 if(piece >= BlackPawn) {
6152 if(toY == 0 && piece == BlackPawn ||
6153 toY == 0 && piece == BlackQueen ||
6154 toY <= 1 && piece == BlackKnight) {
6159 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6160 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6161 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6168 // weed out obviously illegal Pawn moves
6169 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6170 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6171 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6172 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6173 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6174 // note we are not allowed to test for valid (non-)capture, due to premove
6177 // we either have a choice what to promote to, or (in Shogi) whether to promote
6178 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6179 *promoChoice = PieceToChar(BlackFerz); // no choice
6182 // no sense asking what we must promote to if it is going to explode...
6183 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6184 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6187 // give caller the default choice even if we will not make it
6188 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6189 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6190 if( sweepSelect && gameInfo.variant != VariantGreat
6191 && gameInfo.variant != VariantGrand
6192 && gameInfo.variant != VariantSuper) return FALSE;
6193 if(autoQueen) return FALSE; // predetermined
6195 // suppress promotion popup on illegal moves that are not premoves
6196 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6197 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6198 if(appData.testLegality && !premove) {
6199 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6200 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6201 if(moveType != WhitePromotion && moveType != BlackPromotion)
6209 InPalace(row, column)
6211 { /* [HGM] for Xiangqi */
6212 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6213 column < (BOARD_WIDTH + 4)/2 &&
6214 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6219 PieceForSquare (x, y)
6223 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6226 return boards[currentMove][y][x];
6230 OKToStartUserMove(x, y)
6233 ChessSquare from_piece;
6236 if (matchMode) return FALSE;
6237 if (gameMode == EditPosition) return TRUE;
6239 if (x >= 0 && y >= 0)
6240 from_piece = boards[currentMove][y][x];
6242 from_piece = EmptySquare;
6244 if (from_piece == EmptySquare) return FALSE;
6246 white_piece = (int)from_piece >= (int)WhitePawn &&
6247 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6251 case TwoMachinesPlay:
6259 case MachinePlaysWhite:
6260 case IcsPlayingBlack:
6261 if (appData.zippyPlay) return FALSE;
6263 DisplayMoveError(_("You are playing Black"));
6268 case MachinePlaysBlack:
6269 case IcsPlayingWhite:
6270 if (appData.zippyPlay) return FALSE;
6272 DisplayMoveError(_("You are playing White"));
6277 case PlayFromGameFile:
6278 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6280 if (!white_piece && WhiteOnMove(currentMove)) {
6281 DisplayMoveError(_("It is White's turn"));
6284 if (white_piece && !WhiteOnMove(currentMove)) {
6285 DisplayMoveError(_("It is Black's turn"));
6288 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6289 /* Editing correspondence game history */
6290 /* Could disallow this or prompt for confirmation */
6295 case BeginningOfGame:
6296 if (appData.icsActive) return FALSE;
6297 if (!appData.noChessProgram) {
6299 DisplayMoveError(_("You are playing White"));
6306 if (!white_piece && WhiteOnMove(currentMove)) {
6307 DisplayMoveError(_("It is White's turn"));
6310 if (white_piece && !WhiteOnMove(currentMove)) {
6311 DisplayMoveError(_("It is Black's turn"));
6320 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6321 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6322 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6323 && gameMode != AnalyzeFile && gameMode != Training) {
6324 DisplayMoveError(_("Displayed position is not current"));
6331 OnlyMove(int *x, int *y, Boolean captures) {
6332 DisambiguateClosure cl;
6333 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6335 case MachinePlaysBlack:
6336 case IcsPlayingWhite:
6337 case BeginningOfGame:
6338 if(!WhiteOnMove(currentMove)) return FALSE;
6340 case MachinePlaysWhite:
6341 case IcsPlayingBlack:
6342 if(WhiteOnMove(currentMove)) return FALSE;
6349 cl.pieceIn = EmptySquare;
6354 cl.promoCharIn = NULLCHAR;
6355 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6356 if( cl.kind == NormalMove ||
6357 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6358 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6359 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6366 if(cl.kind != ImpossibleMove) return FALSE;
6367 cl.pieceIn = EmptySquare;
6372 cl.promoCharIn = NULLCHAR;
6373 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6374 if( cl.kind == NormalMove ||
6375 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6376 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6377 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6382 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6388 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6389 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6390 int lastLoadGameUseList = FALSE;
6391 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6392 ChessMove lastLoadGameStart = EndOfFile;
6395 UserMoveEvent(fromX, fromY, toX, toY, promoChar)
6396 int fromX, fromY, toX, toY;
6400 ChessSquare pdown, pup;
6402 /* Check if the user is playing in turn. This is complicated because we
6403 let the user "pick up" a piece before it is his turn. So the piece he
6404 tried to pick up may have been captured by the time he puts it down!
6405 Therefore we use the color the user is supposed to be playing in this
6406 test, not the color of the piece that is currently on the starting
6407 square---except in EditGame mode, where the user is playing both
6408 sides; fortunately there the capture race can't happen. (It can
6409 now happen in IcsExamining mode, but that's just too bad. The user
6410 will get a somewhat confusing message in that case.)
6415 case TwoMachinesPlay:
6419 /* We switched into a game mode where moves are not accepted,
6420 perhaps while the mouse button was down. */
6423 case MachinePlaysWhite:
6424 /* User is moving for Black */
6425 if (WhiteOnMove(currentMove)) {
6426 DisplayMoveError(_("It is White's turn"));
6431 case MachinePlaysBlack:
6432 /* User is moving for White */
6433 if (!WhiteOnMove(currentMove)) {
6434 DisplayMoveError(_("It is Black's turn"));
6439 case PlayFromGameFile:
6440 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6443 case BeginningOfGame:
6446 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6447 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6448 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6449 /* User is moving for Black */
6450 if (WhiteOnMove(currentMove)) {
6451 DisplayMoveError(_("It is White's turn"));
6455 /* User is moving for White */
6456 if (!WhiteOnMove(currentMove)) {
6457 DisplayMoveError(_("It is Black's turn"));
6463 case IcsPlayingBlack:
6464 /* User is moving for Black */
6465 if (WhiteOnMove(currentMove)) {
6466 if (!appData.premove) {
6467 DisplayMoveError(_("It is White's turn"));
6468 } else if (toX >= 0 && toY >= 0) {
6471 premoveFromX = fromX;
6472 premoveFromY = fromY;
6473 premovePromoChar = promoChar;
6475 if (appData.debugMode)
6476 fprintf(debugFP, "Got premove: fromX %d,"
6477 "fromY %d, toX %d, toY %d\n",
6478 fromX, fromY, toX, toY);
6484 case IcsPlayingWhite:
6485 /* User is moving for White */
6486 if (!WhiteOnMove(currentMove)) {
6487 if (!appData.premove) {
6488 DisplayMoveError(_("It is Black's turn"));
6489 } else if (toX >= 0 && toY >= 0) {
6492 premoveFromX = fromX;
6493 premoveFromY = fromY;
6494 premovePromoChar = promoChar;
6496 if (appData.debugMode)
6497 fprintf(debugFP, "Got premove: fromX %d,"
6498 "fromY %d, toX %d, toY %d\n",
6499 fromX, fromY, toX, toY);
6509 /* EditPosition, empty square, or different color piece;
6510 click-click move is possible */
6511 if (toX == -2 || toY == -2) {
6512 boards[0][fromY][fromX] = EmptySquare;
6513 DrawPosition(FALSE, boards[currentMove]);
6515 } else if (toX >= 0 && toY >= 0) {
6516 boards[0][toY][toX] = boards[0][fromY][fromX];
6517 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6518 if(boards[0][fromY][0] != EmptySquare) {
6519 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6520 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6523 if(fromX == BOARD_RGHT+1) {
6524 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6525 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6526 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6529 boards[0][fromY][fromX] = EmptySquare;
6530 DrawPosition(FALSE, boards[currentMove]);
6536 if(toX < 0 || toY < 0) return;
6537 pdown = boards[currentMove][fromY][fromX];
6538 pup = boards[currentMove][toY][toX];
6540 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6541 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6542 if( pup != EmptySquare ) return;
6543 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6544 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6545 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6546 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6547 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6548 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6549 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6553 /* [HGM] always test for legality, to get promotion info */
6554 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6555 fromY, fromX, toY, toX, promoChar);
6557 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6559 /* [HGM] but possibly ignore an IllegalMove result */
6560 if (appData.testLegality) {
6561 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6562 DisplayMoveError(_("Illegal move"));
6567 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6570 /* Common tail of UserMoveEvent and DropMenuEvent */
6572 FinishMove(moveType, fromX, fromY, toX, toY, promoChar)
6574 int fromX, fromY, toX, toY;
6575 /*char*/int promoChar;
6579 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6580 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6581 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6582 if(WhiteOnMove(currentMove)) {
6583 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6585 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6589 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6590 move type in caller when we know the move is a legal promotion */
6591 if(moveType == NormalMove && promoChar)
6592 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6594 /* [HGM] <popupFix> The following if has been moved here from
6595 UserMoveEvent(). Because it seemed to belong here (why not allow
6596 piece drops in training games?), and because it can only be
6597 performed after it is known to what we promote. */
6598 if (gameMode == Training) {
6599 /* compare the move played on the board to the next move in the
6600 * game. If they match, display the move and the opponent's response.
6601 * If they don't match, display an error message.
6605 CopyBoard(testBoard, boards[currentMove]);
6606 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6608 if (CompareBoards(testBoard, boards[currentMove+1])) {
6609 ForwardInner(currentMove+1);
6611 /* Autoplay the opponent's response.
6612 * if appData.animate was TRUE when Training mode was entered,
6613 * the response will be animated.
6615 saveAnimate = appData.animate;
6616 appData.animate = animateTraining;
6617 ForwardInner(currentMove+1);
6618 appData.animate = saveAnimate;
6620 /* check for the end of the game */
6621 if (currentMove >= forwardMostMove) {
6622 gameMode = PlayFromGameFile;
6624 SetTrainingModeOff();
6625 DisplayInformation(_("End of game"));
6628 DisplayError(_("Incorrect move"), 0);
6633 /* Ok, now we know that the move is good, so we can kill
6634 the previous line in Analysis Mode */
6635 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6636 && currentMove < forwardMostMove) {
6637 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6638 else forwardMostMove = currentMove;
6641 /* If we need the chess program but it's dead, restart it */
6642 ResurrectChessProgram();
6644 /* A user move restarts a paused game*/
6648 thinkOutput[0] = NULLCHAR;
6650 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6652 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6653 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6657 if (gameMode == BeginningOfGame) {
6658 if (appData.noChessProgram) {
6659 gameMode = EditGame;
6663 gameMode = MachinePlaysBlack;
6666 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
6668 if (first.sendName) {
6669 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6670 SendToProgram(buf, &first);
6677 /* Relay move to ICS or chess engine */
6678 if (appData.icsActive) {
6679 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6680 gameMode == IcsExamining) {
6681 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6682 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6684 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6686 // also send plain move, in case ICS does not understand atomic claims
6687 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6691 if (first.sendTime && (gameMode == BeginningOfGame ||
6692 gameMode == MachinePlaysWhite ||
6693 gameMode == MachinePlaysBlack)) {
6694 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6696 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6697 // [HGM] book: if program might be playing, let it use book
6698 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6699 first.maybeThinking = TRUE;
6700 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6701 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6702 SendBoard(&first, currentMove+1);
6703 } else SendMoveToProgram(forwardMostMove-1, &first);
6704 if (currentMove == cmailOldMove + 1) {
6705 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6709 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6713 if(appData.testLegality)
6714 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6720 if (WhiteOnMove(currentMove)) {
6721 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6723 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6727 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6732 case MachinePlaysBlack:
6733 case MachinePlaysWhite:
6734 /* disable certain menu options while machine is thinking */
6735 SetMachineThinkingEnables();
6742 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6743 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6745 if(bookHit) { // [HGM] book: simulate book reply
6746 static char bookMove[MSG_SIZ]; // a bit generous?
6748 programStats.nodes = programStats.depth = programStats.time =
6749 programStats.score = programStats.got_only_move = 0;
6750 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6752 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6753 strcat(bookMove, bookHit);
6754 HandleMachineMove(bookMove, &first);
6760 Mark(board, flags, kind, rf, ff, rt, ft, closure)
6767 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6768 Markers *m = (Markers *) closure;
6769 if(rf == fromY && ff == fromX)
6770 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6771 || kind == WhiteCapturesEnPassant
6772 || kind == BlackCapturesEnPassant);
6773 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6777 MarkTargetSquares(int clear)
6780 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6781 !appData.testLegality || gameMode == EditPosition) return;
6783 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6786 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6787 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6788 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6790 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6793 DrawPosition(TRUE, NULL);
6797 Explode(Board board, int fromX, int fromY, int toX, int toY)
6799 if(gameInfo.variant == VariantAtomic &&
6800 (board[toY][toX] != EmptySquare || // capture?
6801 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6802 board[fromY][fromX] == BlackPawn )
6804 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6810 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6812 int CanPromote(ChessSquare piece, int y)
6814 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6815 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6816 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6817 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6818 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6819 gameInfo.variant == VariantMakruk) return FALSE;
6820 return (piece == BlackPawn && y == 1 ||
6821 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6822 piece == BlackLance && y == 1 ||
6823 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6826 void LeftClick(ClickType clickType, int xPix, int yPix)
6829 Boolean saveAnimate;
6830 static int second = 0, promotionChoice = 0, clearFlag = 0;
6831 char promoChoice = NULLCHAR;
6834 if(appData.seekGraph && appData.icsActive && loggedOn &&
6835 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6836 SeekGraphClick(clickType, xPix, yPix, 0);
6840 if (clickType == Press) ErrorPopDown();
6842 x = EventToSquare(xPix, BOARD_WIDTH);
6843 y = EventToSquare(yPix, BOARD_HEIGHT);
6844 if (!flipView && y >= 0) {
6845 y = BOARD_HEIGHT - 1 - y;
6847 if (flipView && x >= 0) {
6848 x = BOARD_WIDTH - 1 - x;
6851 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6852 defaultPromoChoice = promoSweep;
6853 promoSweep = EmptySquare; // terminate sweep
6854 promoDefaultAltered = TRUE;
6855 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6858 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6859 if(clickType == Release) return; // ignore upclick of click-click destination
6860 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6861 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6862 if(gameInfo.holdingsWidth &&
6863 (WhiteOnMove(currentMove)
6864 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6865 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6866 // click in right holdings, for determining promotion piece
6867 ChessSquare p = boards[currentMove][y][x];
6868 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6869 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6870 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6871 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6876 DrawPosition(FALSE, boards[currentMove]);
6880 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6881 if(clickType == Press
6882 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6883 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6884 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6887 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6888 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6890 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6891 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6892 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6893 defaultPromoChoice = DefaultPromoChoice(side);
6896 autoQueen = appData.alwaysPromoteToQueen;
6900 gatingPiece = EmptySquare;
6901 if (clickType != Press) {
6902 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6903 DragPieceEnd(xPix, yPix); dragging = 0;
6904 DrawPosition(FALSE, NULL);
6908 fromX = x; fromY = y; toX = toY = -1;
6909 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6910 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6911 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6913 if (OKToStartUserMove(fromX, fromY)) {
6915 MarkTargetSquares(0);
6916 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6917 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6918 promoSweep = defaultPromoChoice;
6919 selectFlag = 0; lastX = xPix; lastY = yPix;
6920 Sweep(0); // Pawn that is going to promote: preview promotion piece
6921 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6923 if (appData.highlightDragging) {
6924 SetHighlights(fromX, fromY, -1, -1);
6926 } else fromX = fromY = -1;
6932 if (clickType == Press && gameMode != EditPosition) {
6937 // ignore off-board to clicks
6938 if(y < 0 || x < 0) return;
6940 /* Check if clicking again on the same color piece */
6941 fromP = boards[currentMove][fromY][fromX];
6942 toP = boards[currentMove][y][x];
6943 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6944 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6945 WhitePawn <= toP && toP <= WhiteKing &&
6946 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6947 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6948 (BlackPawn <= fromP && fromP <= BlackKing &&
6949 BlackPawn <= toP && toP <= BlackKing &&
6950 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6951 !(fromP == BlackKing && toP == BlackRook && frc))) {
6952 /* Clicked again on same color piece -- changed his mind */
6953 second = (x == fromX && y == fromY);
6954 promoDefaultAltered = FALSE;
6955 MarkTargetSquares(1);
6956 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6957 if (appData.highlightDragging) {
6958 SetHighlights(x, y, -1, -1);
6962 if (OKToStartUserMove(x, y)) {
6963 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6964 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6965 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6966 gatingPiece = boards[currentMove][fromY][fromX];
6967 else gatingPiece = EmptySquare;
6969 fromY = y; dragging = 1;
6970 MarkTargetSquares(0);
6971 DragPieceBegin(xPix, yPix, FALSE);
6972 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6973 promoSweep = defaultPromoChoice;
6974 selectFlag = 0; lastX = xPix; lastY = yPix;
6975 Sweep(0); // Pawn that is going to promote: preview promotion piece
6979 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6982 // ignore clicks on holdings
6983 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6986 if (clickType == Release && x == fromX && y == fromY) {
6987 DragPieceEnd(xPix, yPix); dragging = 0;
6989 // a deferred attempt to click-click move an empty square on top of a piece
6990 boards[currentMove][y][x] = EmptySquare;
6992 DrawPosition(FALSE, boards[currentMove]);
6993 fromX = fromY = -1; clearFlag = 0;
6996 if (appData.animateDragging) {
6997 /* Undo animation damage if any */
6998 DrawPosition(FALSE, NULL);
7001 /* Second up/down in same square; just abort move */
7004 gatingPiece = EmptySquare;
7007 ClearPremoveHighlights();
7009 /* First upclick in same square; start click-click mode */
7010 SetHighlights(x, y, -1, -1);
7017 /* we now have a different from- and (possibly off-board) to-square */
7018 /* Completed move */
7021 saveAnimate = appData.animate;
7022 MarkTargetSquares(1);
7023 if (clickType == Press) {
7024 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7025 // must be Edit Position mode with empty-square selected
7026 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7027 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7030 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7031 ChessSquare piece = boards[currentMove][fromY][fromX];
7032 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7033 promoSweep = defaultPromoChoice;
7034 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7035 selectFlag = 0; lastX = xPix; lastY = yPix;
7036 Sweep(0); // Pawn that is going to promote: preview promotion piece
7037 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7038 DrawPosition(FALSE, boards[currentMove]);
7041 /* Finish clickclick move */
7042 if (appData.animate || appData.highlightLastMove) {
7043 SetHighlights(fromX, fromY, toX, toY);
7048 /* Finish drag move */
7049 if (appData.highlightLastMove) {
7050 SetHighlights(fromX, fromY, toX, toY);
7054 DragPieceEnd(xPix, yPix); dragging = 0;
7055 /* Don't animate move and drag both */
7056 appData.animate = FALSE;
7059 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7060 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7061 ChessSquare piece = boards[currentMove][fromY][fromX];
7062 if(gameMode == EditPosition && piece != EmptySquare &&
7063 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7066 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7067 n = PieceToNumber(piece - (int)BlackPawn);
7068 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7069 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7070 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7072 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7073 n = PieceToNumber(piece);
7074 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7075 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7076 boards[currentMove][n][BOARD_WIDTH-2]++;
7078 boards[currentMove][fromY][fromX] = EmptySquare;
7082 DrawPosition(TRUE, boards[currentMove]);
7086 // off-board moves should not be highlighted
7087 if(x < 0 || y < 0) ClearHighlights();
7089 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7091 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7092 SetHighlights(fromX, fromY, toX, toY);
7093 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7094 // [HGM] super: promotion to captured piece selected from holdings
7095 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7096 promotionChoice = TRUE;
7097 // kludge follows to temporarily execute move on display, without promoting yet
7098 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7099 boards[currentMove][toY][toX] = p;
7100 DrawPosition(FALSE, boards[currentMove]);
7101 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7102 boards[currentMove][toY][toX] = q;
7103 DisplayMessage("Click in holdings to choose piece", "");
7108 int oldMove = currentMove;
7109 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7110 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7111 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7112 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7113 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7114 DrawPosition(TRUE, boards[currentMove]);
7117 appData.animate = saveAnimate;
7118 if (appData.animate || appData.animateDragging) {
7119 /* Undo animation damage if needed */
7120 DrawPosition(FALSE, NULL);
7124 int RightClick(ClickType action, int x, int y, int *fromX, int *fromY)
7125 { // front-end-free part taken out of PieceMenuPopup
7126 int whichMenu; int xSqr, ySqr;
7128 if(seekGraphUp) { // [HGM] seekgraph
7129 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7130 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7134 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7135 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7136 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7137 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7138 if(action == Press) {
7139 originalFlip = flipView;
7140 flipView = !flipView; // temporarily flip board to see game from partners perspective
7141 DrawPosition(TRUE, partnerBoard);
7142 DisplayMessage(partnerStatus, "");
7144 } else if(action == Release) {
7145 flipView = originalFlip;
7146 DrawPosition(TRUE, boards[currentMove]);
7152 xSqr = EventToSquare(x, BOARD_WIDTH);
7153 ySqr = EventToSquare(y, BOARD_HEIGHT);
7154 if (action == Release) {
7155 if(pieceSweep != EmptySquare) {
7156 EditPositionMenuEvent(pieceSweep, toX, toY);
7157 pieceSweep = EmptySquare;
7158 } else UnLoadPV(); // [HGM] pv
7160 if (action != Press) return -2; // return code to be ignored
7163 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7165 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7166 if (xSqr < 0 || ySqr < 0) return -1;
7167 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7168 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7169 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7170 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7174 if(!appData.icsEngineAnalyze) return -1;
7175 case IcsPlayingWhite:
7176 case IcsPlayingBlack:
7177 if(!appData.zippyPlay) goto noZip;
7180 case MachinePlaysWhite:
7181 case MachinePlaysBlack:
7182 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7183 if (!appData.dropMenu) {
7185 return 2; // flag front-end to grab mouse events
7187 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7188 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7191 if (xSqr < 0 || ySqr < 0) return -1;
7192 if (!appData.dropMenu || appData.testLegality &&
7193 gameInfo.variant != VariantBughouse &&
7194 gameInfo.variant != VariantCrazyhouse) return -1;
7195 whichMenu = 1; // drop menu
7201 if (((*fromX = xSqr) < 0) ||
7202 ((*fromY = ySqr) < 0)) {
7203 *fromX = *fromY = -1;
7207 *fromX = BOARD_WIDTH - 1 - *fromX;
7209 *fromY = BOARD_HEIGHT - 1 - *fromY;
7214 void SendProgramStatsToFrontend( ChessProgramState * cps, ChessProgramStats * cpstats )
7216 // char * hint = lastHint;
7217 FrontEndProgramStats stats;
7219 stats.which = cps == &first ? 0 : 1;
7220 stats.depth = cpstats->depth;
7221 stats.nodes = cpstats->nodes;
7222 stats.score = cpstats->score;
7223 stats.time = cpstats->time;
7224 stats.pv = cpstats->movelist;
7225 stats.hint = lastHint;
7226 stats.an_move_index = 0;
7227 stats.an_move_count = 0;
7229 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7230 stats.hint = cpstats->move_name;
7231 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7232 stats.an_move_count = cpstats->nr_moves;
7235 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
7237 SetProgramStats( &stats );
7241 ClearEngineOutputPane(int which)
7243 static FrontEndProgramStats dummyStats;
7244 dummyStats.which = which;
7245 dummyStats.pv = "#";
7246 SetProgramStats( &dummyStats );
7249 #define MAXPLAYERS 500
7252 TourneyStandings(int display)
7254 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7255 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7256 char result, *p, *names[MAXPLAYERS];
7258 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7259 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7260 names[0] = p = strdup(appData.participants);
7261 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7263 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7265 while(result = appData.results[nr]) {
7266 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7267 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7268 wScore = bScore = 0;
7270 case '+': wScore = 2; break;
7271 case '-': bScore = 2; break;
7272 case '=': wScore = bScore = 1; break;
7274 case '*': return strdup("busy"); // tourney not finished
7282 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7283 for(w=0; w<nPlayers; w++) {
7285 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7286 ranking[w] = b; points[w] = bScore; score[b] = -2;
7288 p = malloc(nPlayers*34+1);
7289 for(w=0; w<nPlayers && w<display; w++)
7290 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7296 Count(Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7297 { // count all piece types
7299 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7300 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7301 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7304 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7305 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7306 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7307 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7308 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7309 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7314 SufficientDefence(int pCnt[], int side, int nMine, int nHis)
7316 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7317 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7319 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7320 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7321 if(myPawns == 2 && nMine == 3) // KPP
7322 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7323 if(myPawns == 1 && nMine == 2) // KP
7324 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7325 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7326 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7327 if(myPawns) return FALSE;
7328 if(pCnt[WhiteRook+side])
7329 return pCnt[BlackRook-side] ||
7330 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7331 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7332 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7333 if(pCnt[WhiteCannon+side]) {
7334 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7335 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7337 if(pCnt[WhiteKnight+side])
7338 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7343 MatingPotential(int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7345 VariantClass v = gameInfo.variant;
7347 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7348 if(v == VariantShatranj) return TRUE; // always winnable through baring
7349 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7350 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7352 if(v == VariantXiangqi) {
7353 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7355 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7356 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7357 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7358 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7359 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7360 if(stale) // we have at least one last-rank P plus perhaps C
7361 return majors // KPKX
7362 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7364 return pCnt[WhiteFerz+side] // KCAK
7365 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7366 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7367 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7369 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7370 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7372 if(nMine == 1) return FALSE; // bare King
7373 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
7374 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7375 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7376 // by now we have King + 1 piece (or multiple Bishops on the same color)
7377 if(pCnt[WhiteKnight+side])
7378 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7379 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7380 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7382 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7383 if(pCnt[WhiteAlfil+side])
7384 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7385 if(pCnt[WhiteWazir+side])
7386 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7393 CompareWithRights(Board b1, Board b2)
7396 if(!CompareBoards(b1, b2)) return FALSE;
7397 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7398 /* compare castling rights */
7399 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7400 rights++; /* King lost rights, while rook still had them */
7401 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7402 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7403 rights++; /* but at least one rook lost them */
7405 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7407 if( b1[CASTLING][5] != NoRights ) {
7408 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7415 Adjudicate(ChessProgramState *cps)
7416 { // [HGM] some adjudications useful with buggy engines
7417 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7418 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7419 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7420 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7421 int k, count = 0; static int bare = 1;
7422 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7423 Boolean canAdjudicate = !appData.icsActive;
7425 // most tests only when we understand the game, i.e. legality-checking on
7426 if( appData.testLegality )
7427 { /* [HGM] Some more adjudications for obstinate engines */
7428 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7429 static int moveCount = 6;
7431 char *reason = NULL;
7433 /* Count what is on board. */
7434 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7436 /* Some material-based adjudications that have to be made before stalemate test */
7437 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7438 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7439 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7440 if(canAdjudicate && appData.checkMates) {
7442 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7443 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7444 "Xboard adjudication: King destroyed", GE_XBOARD );
7449 /* Bare King in Shatranj (loses) or Losers (wins) */
7450 if( nrW == 1 || nrB == 1) {
7451 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7452 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7453 if(canAdjudicate && appData.checkMates) {
7455 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7456 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7457 "Xboard adjudication: Bare king", GE_XBOARD );
7461 if( gameInfo.variant == VariantShatranj && --bare < 0)
7463 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7464 if(canAdjudicate && appData.checkMates) {
7465 /* but only adjudicate if adjudication enabled */
7467 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7468 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7469 "Xboard adjudication: Bare king", GE_XBOARD );
7476 // don't wait for engine to announce game end if we can judge ourselves
7477 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7479 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7480 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7481 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7482 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7485 reason = "Xboard adjudication: 3rd check";
7486 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7496 reason = "Xboard adjudication: Stalemate";
7497 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7498 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7499 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7500 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7501 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7502 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7503 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7504 EP_CHECKMATE : EP_WINS);
7505 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7506 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7510 reason = "Xboard adjudication: Checkmate";
7511 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7515 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7517 result = GameIsDrawn; break;
7519 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7521 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7525 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7527 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7528 GameEnds( result, reason, GE_XBOARD );
7532 /* Next absolutely insufficient mating material. */
7533 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7534 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7535 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7537 /* always flag draws, for judging claims */
7538 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7540 if(canAdjudicate && appData.materialDraws) {
7541 /* but only adjudicate them if adjudication enabled */
7542 if(engineOpponent) {
7543 SendToProgram("force\n", engineOpponent); // suppress reply
7544 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7546 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7551 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7552 if(gameInfo.variant == VariantXiangqi ?
7553 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7555 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7556 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7557 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7558 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7560 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7561 { /* if the first 3 moves do not show a tactical win, declare draw */
7562 if(engineOpponent) {
7563 SendToProgram("force\n", engineOpponent); // suppress reply
7564 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7566 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7569 } else moveCount = 6;
7571 if (appData.debugMode) { int i;
7572 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7573 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7574 appData.drawRepeats);
7575 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7576 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7580 // Repetition draws and 50-move rule can be applied independently of legality testing
7582 /* Check for rep-draws */
7584 for(k = forwardMostMove-2;
7585 k>=backwardMostMove && k>=forwardMostMove-100 &&
7586 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7587 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7590 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7591 /* compare castling rights */
7592 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7593 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7594 rights++; /* King lost rights, while rook still had them */
7595 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7596 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7597 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7598 rights++; /* but at least one rook lost them */
7600 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7601 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7603 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7604 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7605 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7608 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7609 && appData.drawRepeats > 1) {
7610 /* adjudicate after user-specified nr of repeats */
7611 int result = GameIsDrawn;
7612 char *details = "XBoard adjudication: repetition draw";
7613 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7614 // [HGM] xiangqi: check for forbidden perpetuals
7615 int m, ourPerpetual = 1, hisPerpetual = 1;
7616 for(m=forwardMostMove; m>k; m-=2) {
7617 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7618 ourPerpetual = 0; // the current mover did not always check
7619 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7620 hisPerpetual = 0; // the opponent did not always check
7622 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7623 ourPerpetual, hisPerpetual);
7624 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7625 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7626 details = "Xboard adjudication: perpetual checking";
7628 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7629 break; // (or we would have caught him before). Abort repetition-checking loop.
7631 // Now check for perpetual chases
7632 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7633 hisPerpetual = PerpetualChase(k, forwardMostMove);
7634 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7635 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7636 static char resdet[MSG_SIZ];
7637 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7639 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7641 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7642 break; // Abort repetition-checking loop.
7644 // if neither of us is checking or chasing all the time, or both are, it is draw
7646 if(engineOpponent) {
7647 SendToProgram("force\n", engineOpponent); // suppress reply
7648 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7650 GameEnds( result, details, GE_XBOARD );
7653 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7654 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7658 /* Now we test for 50-move draws. Determine ply count */
7659 count = forwardMostMove;
7660 /* look for last irreversble move */
7661 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7663 /* if we hit starting position, add initial plies */
7664 if( count == backwardMostMove )
7665 count -= initialRulePlies;
7666 count = forwardMostMove - count;
7667 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7668 // adjust reversible move counter for checks in Xiangqi
7669 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7670 if(i < backwardMostMove) i = backwardMostMove;
7671 while(i <= forwardMostMove) {
7672 lastCheck = inCheck; // check evasion does not count
7673 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7674 if(inCheck || lastCheck) count--; // check does not count
7679 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7680 /* this is used to judge if draw claims are legal */
7681 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7682 if(engineOpponent) {
7683 SendToProgram("force\n", engineOpponent); // suppress reply
7684 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7686 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7690 /* if draw offer is pending, treat it as a draw claim
7691 * when draw condition present, to allow engines a way to
7692 * claim draws before making their move to avoid a race
7693 * condition occurring after their move
7695 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7697 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7698 p = "Draw claim: 50-move rule";
7699 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7700 p = "Draw claim: 3-fold repetition";
7701 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7702 p = "Draw claim: insufficient mating material";
7703 if( p != NULL && canAdjudicate) {
7704 if(engineOpponent) {
7705 SendToProgram("force\n", engineOpponent); // suppress reply
7706 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7708 GameEnds( GameIsDrawn, p, GE_XBOARD );
7713 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7714 if(engineOpponent) {
7715 SendToProgram("force\n", engineOpponent); // suppress reply
7716 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7718 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7724 char *SendMoveToBookUser(int moveNr, ChessProgramState *cps, int initial)
7725 { // [HGM] book: this routine intercepts moves to simulate book replies
7726 char *bookHit = NULL;
7728 //first determine if the incoming move brings opponent into his book
7729 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7730 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7731 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7732 if(bookHit != NULL && !cps->bookSuspend) {
7733 // make sure opponent is not going to reply after receiving move to book position
7734 SendToProgram("force\n", cps);
7735 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7737 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7738 // now arrange restart after book miss
7740 // after a book hit we never send 'go', and the code after the call to this routine
7741 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7742 char buf[MSG_SIZ], *move = bookHit;
7744 int fromX, fromY, toX, toY;
7748 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7749 &fromX, &fromY, &toX, &toY, &promoChar)) {
7750 (void) CoordsToAlgebraic(boards[forwardMostMove],
7751 PosFlags(forwardMostMove),
7752 fromY, fromX, toY, toX, promoChar, move);
7754 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7758 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7759 SendToProgram(buf, cps);
7760 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7761 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7762 SendToProgram("go\n", cps);
7763 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7764 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7765 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7766 SendToProgram("go\n", cps);
7767 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7769 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7773 ChessProgramState *savedState;
7774 void DeferredBookMove(void)
7776 if(savedState->lastPing != savedState->lastPong)
7777 ScheduleDelayedEvent(DeferredBookMove, 10);
7779 HandleMachineMove(savedMessage, savedState);
7782 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7785 HandleMachineMove(message, cps)
7787 ChessProgramState *cps;
7789 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7790 char realname[MSG_SIZ];
7791 int fromX, fromY, toX, toY;
7798 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7799 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7800 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7801 DisplayError(_("Invalid pairing from pairing engine"), 0);
7804 pairingReceived = 1;
7806 return; // Skim the pairing messages here.
7811 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7813 * Kludge to ignore BEL characters
7815 while (*message == '\007') message++;
7818 * [HGM] engine debug message: ignore lines starting with '#' character
7820 if(cps->debug && *message == '#') return;
7823 * Look for book output
7825 if (cps == &first && bookRequested) {
7826 if (message[0] == '\t' || message[0] == ' ') {
7827 /* Part of the book output is here; append it */
7828 strcat(bookOutput, message);
7829 strcat(bookOutput, " \n");
7831 } else if (bookOutput[0] != NULLCHAR) {
7832 /* All of book output has arrived; display it */
7833 char *p = bookOutput;
7834 while (*p != NULLCHAR) {
7835 if (*p == '\t') *p = ' ';
7838 DisplayInformation(bookOutput);
7839 bookRequested = FALSE;
7840 /* Fall through to parse the current output */
7845 * Look for machine move.
7847 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7848 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7850 /* This method is only useful on engines that support ping */
7851 if (cps->lastPing != cps->lastPong) {
7852 if (gameMode == BeginningOfGame) {
7853 /* Extra move from before last new; ignore */
7854 if (appData.debugMode) {
7855 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7858 if (appData.debugMode) {
7859 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7860 cps->which, gameMode);
7863 SendToProgram("undo\n", cps);
7869 case BeginningOfGame:
7870 /* Extra move from before last reset; ignore */
7871 if (appData.debugMode) {
7872 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7879 /* Extra move after we tried to stop. The mode test is
7880 not a reliable way of detecting this problem, but it's
7881 the best we can do on engines that don't support ping.
7883 if (appData.debugMode) {
7884 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7885 cps->which, gameMode);
7887 SendToProgram("undo\n", cps);
7890 case MachinePlaysWhite:
7891 case IcsPlayingWhite:
7892 machineWhite = TRUE;
7895 case MachinePlaysBlack:
7896 case IcsPlayingBlack:
7897 machineWhite = FALSE;
7900 case TwoMachinesPlay:
7901 machineWhite = (cps->twoMachinesColor[0] == 'w');
7904 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7905 if (appData.debugMode) {
7907 "Ignoring move out of turn by %s, gameMode %d"
7908 ", forwardMost %d\n",
7909 cps->which, gameMode, forwardMostMove);
7914 if (appData.debugMode) { int f = forwardMostMove;
7915 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7916 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7917 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7919 if(cps->alphaRank) AlphaRank(machineMove, 4);
7920 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7921 &fromX, &fromY, &toX, &toY, &promoChar)) {
7922 /* Machine move could not be parsed; ignore it. */
7923 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7924 machineMove, _(cps->which));
7925 DisplayError(buf1, 0);
7926 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7927 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7928 if (gameMode == TwoMachinesPlay) {
7929 GameEnds(machineWhite ? BlackWins : WhiteWins,
7935 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7936 /* So we have to redo legality test with true e.p. status here, */
7937 /* to make sure an illegal e.p. capture does not slip through, */
7938 /* to cause a forfeit on a justified illegal-move complaint */
7939 /* of the opponent. */
7940 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7942 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7943 fromY, fromX, toY, toX, promoChar);
7944 if (appData.debugMode) {
7946 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7947 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7948 fprintf(debugFP, "castling rights\n");
7950 if(moveType == IllegalMove) {
7951 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7952 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7953 GameEnds(machineWhite ? BlackWins : WhiteWins,
7956 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7957 /* [HGM] Kludge to handle engines that send FRC-style castling
7958 when they shouldn't (like TSCP-Gothic) */
7960 case WhiteASideCastleFR:
7961 case BlackASideCastleFR:
7963 currentMoveString[2]++;
7965 case WhiteHSideCastleFR:
7966 case BlackHSideCastleFR:
7968 currentMoveString[2]--;
7970 default: ; // nothing to do, but suppresses warning of pedantic compilers
7973 hintRequested = FALSE;
7974 lastHint[0] = NULLCHAR;
7975 bookRequested = FALSE;
7976 /* Program may be pondering now */
7977 cps->maybeThinking = TRUE;
7978 if (cps->sendTime == 2) cps->sendTime = 1;
7979 if (cps->offeredDraw) cps->offeredDraw--;
7981 /* [AS] Save move info*/
7982 pvInfoList[ forwardMostMove ].score = programStats.score;
7983 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7984 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7986 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7988 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7989 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7992 while( count < adjudicateLossPlies ) {
7993 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7996 score = -score; /* Flip score for winning side */
7999 if( score > adjudicateLossThreshold ) {
8006 if( count >= adjudicateLossPlies ) {
8007 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8009 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8010 "Xboard adjudication",
8017 if(Adjudicate(cps)) {
8018 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8019 return; // [HGM] adjudicate: for all automatic game ends
8023 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8025 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8026 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8028 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8030 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8032 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8033 char buf[3*MSG_SIZ];
8035 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8036 programStats.score / 100.,
8038 programStats.time / 100.,
8039 (unsigned int)programStats.nodes,
8040 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8041 programStats.movelist);
8043 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8048 /* [AS] Clear stats for next move */
8049 ClearProgramStats();
8050 thinkOutput[0] = NULLCHAR;
8051 hiddenThinkOutputState = 0;
8054 if (gameMode == TwoMachinesPlay) {
8055 /* [HGM] relaying draw offers moved to after reception of move */
8056 /* and interpreting offer as claim if it brings draw condition */
8057 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8058 SendToProgram("draw\n", cps->other);
8060 if (cps->other->sendTime) {
8061 SendTimeRemaining(cps->other,
8062 cps->other->twoMachinesColor[0] == 'w');
8064 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8065 if (firstMove && !bookHit) {
8067 if (cps->other->useColors) {
8068 SendToProgram(cps->other->twoMachinesColor, cps->other);
8070 SendToProgram("go\n", cps->other);
8072 cps->other->maybeThinking = TRUE;
8075 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8077 if (!pausing && appData.ringBellAfterMoves) {
8082 * Reenable menu items that were disabled while
8083 * machine was thinking
8085 if (gameMode != TwoMachinesPlay)
8086 SetUserThinkingEnables();
8088 // [HGM] book: after book hit opponent has received move and is now in force mode
8089 // force the book reply into it, and then fake that it outputted this move by jumping
8090 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8092 static char bookMove[MSG_SIZ]; // a bit generous?
8094 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8095 strcat(bookMove, bookHit);
8098 programStats.nodes = programStats.depth = programStats.time =
8099 programStats.score = programStats.got_only_move = 0;
8100 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8102 if(cps->lastPing != cps->lastPong) {
8103 savedMessage = message; // args for deferred call
8105 ScheduleDelayedEvent(DeferredBookMove, 10);
8114 /* Set special modes for chess engines. Later something general
8115 * could be added here; for now there is just one kludge feature,
8116 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8117 * when "xboard" is given as an interactive command.
8119 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8120 cps->useSigint = FALSE;
8121 cps->useSigterm = FALSE;
8123 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8124 ParseFeatures(message+8, cps);
8125 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8128 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8129 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8130 int dummy, s=6; char buf[MSG_SIZ];
8131 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8132 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8133 if(startedFromSetupPosition) return;
8134 ParseFEN(boards[0], &dummy, message+s);
8135 DrawPosition(TRUE, boards[0]);
8136 startedFromSetupPosition = TRUE;
8139 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8140 * want this, I was asked to put it in, and obliged.
8142 if (!strncmp(message, "setboard ", 9)) {
8143 Board initial_position;
8145 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8147 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8148 DisplayError(_("Bad FEN received from engine"), 0);
8152 CopyBoard(boards[0], initial_position);
8153 initialRulePlies = FENrulePlies;
8154 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8155 else gameMode = MachinePlaysBlack;
8156 DrawPosition(FALSE, boards[currentMove]);
8162 * Look for communication commands
8164 if (!strncmp(message, "telluser ", 9)) {
8165 if(message[9] == '\\' && message[10] == '\\')
8166 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8168 DisplayNote(message + 9);
8171 if (!strncmp(message, "tellusererror ", 14)) {
8173 if(message[14] == '\\' && message[15] == '\\')
8174 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8176 DisplayError(message + 14, 0);
8179 if (!strncmp(message, "tellopponent ", 13)) {
8180 if (appData.icsActive) {
8182 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8186 DisplayNote(message + 13);
8190 if (!strncmp(message, "tellothers ", 11)) {
8191 if (appData.icsActive) {
8193 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8199 if (!strncmp(message, "tellall ", 8)) {
8200 if (appData.icsActive) {
8202 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8206 DisplayNote(message + 8);
8210 if (strncmp(message, "warning", 7) == 0) {
8211 /* Undocumented feature, use tellusererror in new code */
8212 DisplayError(message, 0);
8215 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8216 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8217 strcat(realname, " query");
8218 AskQuestion(realname, buf2, buf1, cps->pr);
8221 /* Commands from the engine directly to ICS. We don't allow these to be
8222 * sent until we are logged on. Crafty kibitzes have been known to
8223 * interfere with the login process.
8226 if (!strncmp(message, "tellics ", 8)) {
8227 SendToICS(message + 8);
8231 if (!strncmp(message, "tellicsnoalias ", 15)) {
8232 SendToICS(ics_prefix);
8233 SendToICS(message + 15);
8237 /* The following are for backward compatibility only */
8238 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8239 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8240 SendToICS(ics_prefix);
8246 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8250 * If the move is illegal, cancel it and redraw the board.
8251 * Also deal with other error cases. Matching is rather loose
8252 * here to accommodate engines written before the spec.
8254 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8255 strncmp(message, "Error", 5) == 0) {
8256 if (StrStr(message, "name") ||
8257 StrStr(message, "rating") || StrStr(message, "?") ||
8258 StrStr(message, "result") || StrStr(message, "board") ||
8259 StrStr(message, "bk") || StrStr(message, "computer") ||
8260 StrStr(message, "variant") || StrStr(message, "hint") ||
8261 StrStr(message, "random") || StrStr(message, "depth") ||
8262 StrStr(message, "accepted")) {
8265 if (StrStr(message, "protover")) {
8266 /* Program is responding to input, so it's apparently done
8267 initializing, and this error message indicates it is
8268 protocol version 1. So we don't need to wait any longer
8269 for it to initialize and send feature commands. */
8270 FeatureDone(cps, 1);
8271 cps->protocolVersion = 1;
8274 cps->maybeThinking = FALSE;
8276 if (StrStr(message, "draw")) {
8277 /* Program doesn't have "draw" command */
8278 cps->sendDrawOffers = 0;
8281 if (cps->sendTime != 1 &&
8282 (StrStr(message, "time") || StrStr(message, "otim"))) {
8283 /* Program apparently doesn't have "time" or "otim" command */
8287 if (StrStr(message, "analyze")) {
8288 cps->analysisSupport = FALSE;
8289 cps->analyzing = FALSE;
8290 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8291 EditGameEvent(); // [HGM] try to preserve loaded game
8292 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8293 DisplayError(buf2, 0);
8296 if (StrStr(message, "(no matching move)st")) {
8297 /* Special kludge for GNU Chess 4 only */
8298 cps->stKludge = TRUE;
8299 SendTimeControl(cps, movesPerSession, timeControl,
8300 timeIncrement, appData.searchDepth,
8304 if (StrStr(message, "(no matching move)sd")) {
8305 /* Special kludge for GNU Chess 4 only */
8306 cps->sdKludge = TRUE;
8307 SendTimeControl(cps, movesPerSession, timeControl,
8308 timeIncrement, appData.searchDepth,
8312 if (!StrStr(message, "llegal")) {
8315 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8316 gameMode == IcsIdle) return;
8317 if (forwardMostMove <= backwardMostMove) return;
8318 if (pausing) PauseEvent();
8319 if(appData.forceIllegal) {
8320 // [HGM] illegal: machine refused move; force position after move into it
8321 SendToProgram("force\n", cps);
8322 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8323 // we have a real problem now, as SendBoard will use the a2a3 kludge
8324 // when black is to move, while there might be nothing on a2 or black
8325 // might already have the move. So send the board as if white has the move.
8326 // But first we must change the stm of the engine, as it refused the last move
8327 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8328 if(WhiteOnMove(forwardMostMove)) {
8329 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8330 SendBoard(cps, forwardMostMove); // kludgeless board
8332 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8333 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8334 SendBoard(cps, forwardMostMove+1); // kludgeless board
8336 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8337 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8338 gameMode == TwoMachinesPlay)
8339 SendToProgram("go\n", cps);
8342 if (gameMode == PlayFromGameFile) {
8343 /* Stop reading this game file */
8344 gameMode = EditGame;
8347 /* [HGM] illegal-move claim should forfeit game when Xboard */
8348 /* only passes fully legal moves */
8349 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8350 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8351 "False illegal-move claim", GE_XBOARD );
8352 return; // do not take back move we tested as valid
8354 currentMove = forwardMostMove-1;
8355 DisplayMove(currentMove-1); /* before DisplayMoveError */
8356 SwitchClocks(forwardMostMove-1); // [HGM] race
8357 DisplayBothClocks();
8358 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8359 parseList[currentMove], _(cps->which));
8360 DisplayMoveError(buf1);
8361 DrawPosition(FALSE, boards[currentMove]);
8364 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8365 /* Program has a broken "time" command that
8366 outputs a string not ending in newline.
8372 * If chess program startup fails, exit with an error message.
8373 * Attempts to recover here are futile.
8375 if ((StrStr(message, "unknown host") != NULL)
8376 || (StrStr(message, "No remote directory") != NULL)
8377 || (StrStr(message, "not found") != NULL)
8378 || (StrStr(message, "No such file") != NULL)
8379 || (StrStr(message, "can't alloc") != NULL)
8380 || (StrStr(message, "Permission denied") != NULL)) {
8382 cps->maybeThinking = FALSE;
8383 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8384 _(cps->which), cps->program, cps->host, message);
8385 RemoveInputSource(cps->isr);
8386 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8387 if(cps == &first) appData.noChessProgram = TRUE;
8388 DisplayError(buf1, 0);
8394 * Look for hint output
8396 if (sscanf(message, "Hint: %s", buf1) == 1) {
8397 if (cps == &first && hintRequested) {
8398 hintRequested = FALSE;
8399 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8400 &fromX, &fromY, &toX, &toY, &promoChar)) {
8401 (void) CoordsToAlgebraic(boards[forwardMostMove],
8402 PosFlags(forwardMostMove),
8403 fromY, fromX, toY, toX, promoChar, buf1);
8404 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8405 DisplayInformation(buf2);
8407 /* Hint move could not be parsed!? */
8408 snprintf(buf2, sizeof(buf2),
8409 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8410 buf1, _(cps->which));
8411 DisplayError(buf2, 0);
8414 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8420 * Ignore other messages if game is not in progress
8422 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8423 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8426 * look for win, lose, draw, or draw offer
8428 if (strncmp(message, "1-0", 3) == 0) {
8429 char *p, *q, *r = "";
8430 p = strchr(message, '{');
8438 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8440 } else if (strncmp(message, "0-1", 3) == 0) {
8441 char *p, *q, *r = "";
8442 p = strchr(message, '{');
8450 /* Kludge for Arasan 4.1 bug */
8451 if (strcmp(r, "Black resigns") == 0) {
8452 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8455 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8457 } else if (strncmp(message, "1/2", 3) == 0) {
8458 char *p, *q, *r = "";
8459 p = strchr(message, '{');
8468 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8471 } else if (strncmp(message, "White resign", 12) == 0) {
8472 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8474 } else if (strncmp(message, "Black resign", 12) == 0) {
8475 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8477 } else if (strncmp(message, "White matches", 13) == 0 ||
8478 strncmp(message, "Black matches", 13) == 0 ) {
8479 /* [HGM] ignore GNUShogi noises */
8481 } else if (strncmp(message, "White", 5) == 0 &&
8482 message[5] != '(' &&
8483 StrStr(message, "Black") == NULL) {
8484 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8486 } else if (strncmp(message, "Black", 5) == 0 &&
8487 message[5] != '(') {
8488 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8490 } else if (strcmp(message, "resign") == 0 ||
8491 strcmp(message, "computer resigns") == 0) {
8493 case MachinePlaysBlack:
8494 case IcsPlayingBlack:
8495 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8497 case MachinePlaysWhite:
8498 case IcsPlayingWhite:
8499 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8501 case TwoMachinesPlay:
8502 if (cps->twoMachinesColor[0] == 'w')
8503 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8505 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8512 } else if (strncmp(message, "opponent mates", 14) == 0) {
8514 case MachinePlaysBlack:
8515 case IcsPlayingBlack:
8516 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8518 case MachinePlaysWhite:
8519 case IcsPlayingWhite:
8520 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8522 case TwoMachinesPlay:
8523 if (cps->twoMachinesColor[0] == 'w')
8524 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8526 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8533 } else if (strncmp(message, "computer mates", 14) == 0) {
8535 case MachinePlaysBlack:
8536 case IcsPlayingBlack:
8537 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8539 case MachinePlaysWhite:
8540 case IcsPlayingWhite:
8541 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8543 case TwoMachinesPlay:
8544 if (cps->twoMachinesColor[0] == 'w')
8545 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8547 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8554 } else if (strncmp(message, "checkmate", 9) == 0) {
8555 if (WhiteOnMove(forwardMostMove)) {
8556 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8558 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8561 } else if (strstr(message, "Draw") != NULL ||
8562 strstr(message, "game is a draw") != NULL) {
8563 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8565 } else if (strstr(message, "offer") != NULL &&
8566 strstr(message, "draw") != NULL) {
8568 if (appData.zippyPlay && first.initDone) {
8569 /* Relay offer to ICS */
8570 SendToICS(ics_prefix);
8571 SendToICS("draw\n");
8574 cps->offeredDraw = 2; /* valid until this engine moves twice */
8575 if (gameMode == TwoMachinesPlay) {
8576 if (cps->other->offeredDraw) {
8577 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8578 /* [HGM] in two-machine mode we delay relaying draw offer */
8579 /* until after we also have move, to see if it is really claim */
8581 } else if (gameMode == MachinePlaysWhite ||
8582 gameMode == MachinePlaysBlack) {
8583 if (userOfferedDraw) {
8584 DisplayInformation(_("Machine accepts your draw offer"));
8585 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8587 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8594 * Look for thinking output
8596 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8597 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8599 int plylev, mvleft, mvtot, curscore, time;
8600 char mvname[MOVE_LEN];
8604 int prefixHint = FALSE;
8605 mvname[0] = NULLCHAR;
8608 case MachinePlaysBlack:
8609 case IcsPlayingBlack:
8610 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8612 case MachinePlaysWhite:
8613 case IcsPlayingWhite:
8614 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8619 case IcsObserving: /* [DM] icsEngineAnalyze */
8620 if (!appData.icsEngineAnalyze) ignore = TRUE;
8622 case TwoMachinesPlay:
8623 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8633 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8635 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8636 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8638 if (plyext != ' ' && plyext != '\t') {
8642 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8643 if( cps->scoreIsAbsolute &&
8644 ( gameMode == MachinePlaysBlack ||
8645 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8646 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8647 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8648 !WhiteOnMove(currentMove)
8651 curscore = -curscore;
8654 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8656 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8659 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8660 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8661 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8662 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8663 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8664 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8666 } else DisplayError("failed writing PV", 0);
8669 tempStats.depth = plylev;
8670 tempStats.nodes = nodes;
8671 tempStats.time = time;
8672 tempStats.score = curscore;
8673 tempStats.got_only_move = 0;
8675 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8678 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8679 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8680 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8681 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8682 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8683 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8684 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8685 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8688 /* Buffer overflow protection */
8689 if (pv[0] != NULLCHAR) {
8690 if (strlen(pv) >= sizeof(tempStats.movelist)
8691 && appData.debugMode) {
8693 "PV is too long; using the first %u bytes.\n",
8694 (unsigned) sizeof(tempStats.movelist) - 1);
8697 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8699 sprintf(tempStats.movelist, " no PV\n");
8702 if (tempStats.seen_stat) {
8703 tempStats.ok_to_send = 1;
8706 if (strchr(tempStats.movelist, '(') != NULL) {
8707 tempStats.line_is_book = 1;
8708 tempStats.nr_moves = 0;
8709 tempStats.moves_left = 0;
8711 tempStats.line_is_book = 0;
8714 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8715 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8717 SendProgramStatsToFrontend( cps, &tempStats );
8720 [AS] Protect the thinkOutput buffer from overflow... this
8721 is only useful if buf1 hasn't overflowed first!
8723 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8725 (gameMode == TwoMachinesPlay ?
8726 ToUpper(cps->twoMachinesColor[0]) : ' '),
8727 ((double) curscore) / 100.0,
8728 prefixHint ? lastHint : "",
8729 prefixHint ? " " : "" );
8731 if( buf1[0] != NULLCHAR ) {
8732 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8734 if( strlen(pv) > max_len ) {
8735 if( appData.debugMode) {
8736 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8738 pv[max_len+1] = '\0';
8741 strcat( thinkOutput, pv);
8744 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8745 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8746 DisplayMove(currentMove - 1);
8750 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8751 /* crafty (9.25+) says "(only move) <move>"
8752 * if there is only 1 legal move
8754 sscanf(p, "(only move) %s", buf1);
8755 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8756 sprintf(programStats.movelist, "%s (only move)", buf1);
8757 programStats.depth = 1;
8758 programStats.nr_moves = 1;
8759 programStats.moves_left = 1;
8760 programStats.nodes = 1;
8761 programStats.time = 1;
8762 programStats.got_only_move = 1;
8764 /* Not really, but we also use this member to
8765 mean "line isn't going to change" (Crafty
8766 isn't searching, so stats won't change) */
8767 programStats.line_is_book = 1;
8769 SendProgramStatsToFrontend( cps, &programStats );
8771 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8772 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8773 DisplayMove(currentMove - 1);
8776 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8777 &time, &nodes, &plylev, &mvleft,
8778 &mvtot, mvname) >= 5) {
8779 /* The stat01: line is from Crafty (9.29+) in response
8780 to the "." command */
8781 programStats.seen_stat = 1;
8782 cps->maybeThinking = TRUE;
8784 if (programStats.got_only_move || !appData.periodicUpdates)
8787 programStats.depth = plylev;
8788 programStats.time = time;
8789 programStats.nodes = nodes;
8790 programStats.moves_left = mvleft;
8791 programStats.nr_moves = mvtot;
8792 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8793 programStats.ok_to_send = 1;
8794 programStats.movelist[0] = '\0';
8796 SendProgramStatsToFrontend( cps, &programStats );
8800 } else if (strncmp(message,"++",2) == 0) {
8801 /* Crafty 9.29+ outputs this */
8802 programStats.got_fail = 2;
8805 } else if (strncmp(message,"--",2) == 0) {
8806 /* Crafty 9.29+ outputs this */
8807 programStats.got_fail = 1;
8810 } else if (thinkOutput[0] != NULLCHAR &&
8811 strncmp(message, " ", 4) == 0) {
8812 unsigned message_len;
8815 while (*p && *p == ' ') p++;
8817 message_len = strlen( p );
8819 /* [AS] Avoid buffer overflow */
8820 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8821 strcat(thinkOutput, " ");
8822 strcat(thinkOutput, p);
8825 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8826 strcat(programStats.movelist, " ");
8827 strcat(programStats.movelist, p);
8830 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8831 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8832 DisplayMove(currentMove - 1);
8840 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8841 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8843 ChessProgramStats cpstats;
8845 if (plyext != ' ' && plyext != '\t') {
8849 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8850 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8851 curscore = -curscore;
8854 cpstats.depth = plylev;
8855 cpstats.nodes = nodes;
8856 cpstats.time = time;
8857 cpstats.score = curscore;
8858 cpstats.got_only_move = 0;
8859 cpstats.movelist[0] = '\0';
8861 if (buf1[0] != NULLCHAR) {
8862 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8865 cpstats.ok_to_send = 0;
8866 cpstats.line_is_book = 0;
8867 cpstats.nr_moves = 0;
8868 cpstats.moves_left = 0;
8870 SendProgramStatsToFrontend( cps, &cpstats );
8877 /* Parse a game score from the character string "game", and
8878 record it as the history of the current game. The game
8879 score is NOT assumed to start from the standard position.
8880 The display is not updated in any way.
8883 ParseGameHistory(game)
8887 int fromX, fromY, toX, toY, boardIndex;
8892 if (appData.debugMode)
8893 fprintf(debugFP, "Parsing game history: %s\n", game);
8895 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8896 gameInfo.site = StrSave(appData.icsHost);
8897 gameInfo.date = PGNDate();
8898 gameInfo.round = StrSave("-");
8900 /* Parse out names of players */
8901 while (*game == ' ') game++;
8903 while (*game != ' ') *p++ = *game++;
8905 gameInfo.white = StrSave(buf);
8906 while (*game == ' ') game++;
8908 while (*game != ' ' && *game != '\n') *p++ = *game++;
8910 gameInfo.black = StrSave(buf);
8913 boardIndex = blackPlaysFirst ? 1 : 0;
8916 yyboardindex = boardIndex;
8917 moveType = (ChessMove) Myylex();
8919 case IllegalMove: /* maybe suicide chess, etc. */
8920 if (appData.debugMode) {
8921 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8922 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8923 setbuf(debugFP, NULL);
8925 case WhitePromotion:
8926 case BlackPromotion:
8927 case WhiteNonPromotion:
8928 case BlackNonPromotion:
8930 case WhiteCapturesEnPassant:
8931 case BlackCapturesEnPassant:
8932 case WhiteKingSideCastle:
8933 case WhiteQueenSideCastle:
8934 case BlackKingSideCastle:
8935 case BlackQueenSideCastle:
8936 case WhiteKingSideCastleWild:
8937 case WhiteQueenSideCastleWild:
8938 case BlackKingSideCastleWild:
8939 case BlackQueenSideCastleWild:
8941 case WhiteHSideCastleFR:
8942 case WhiteASideCastleFR:
8943 case BlackHSideCastleFR:
8944 case BlackASideCastleFR:
8946 fromX = currentMoveString[0] - AAA;
8947 fromY = currentMoveString[1] - ONE;
8948 toX = currentMoveString[2] - AAA;
8949 toY = currentMoveString[3] - ONE;
8950 promoChar = currentMoveString[4];
8954 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8955 fromX = moveType == WhiteDrop ?
8956 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8957 (int) CharToPiece(ToLower(currentMoveString[0]));
8959 toX = currentMoveString[2] - AAA;
8960 toY = currentMoveString[3] - ONE;
8961 promoChar = NULLCHAR;
8965 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8966 if (appData.debugMode) {
8967 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8968 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8969 setbuf(debugFP, NULL);
8971 DisplayError(buf, 0);
8973 case ImpossibleMove:
8975 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8976 if (appData.debugMode) {
8977 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8978 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8979 setbuf(debugFP, NULL);
8981 DisplayError(buf, 0);
8984 if (boardIndex < backwardMostMove) {
8985 /* Oops, gap. How did that happen? */
8986 DisplayError(_("Gap in move list"), 0);
8989 backwardMostMove = blackPlaysFirst ? 1 : 0;
8990 if (boardIndex > forwardMostMove) {
8991 forwardMostMove = boardIndex;
8995 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8996 strcat(parseList[boardIndex-1], " ");
8997 strcat(parseList[boardIndex-1], yy_text);
9009 case GameUnfinished:
9010 if (gameMode == IcsExamining) {
9011 if (boardIndex < backwardMostMove) {
9012 /* Oops, gap. How did that happen? */
9015 backwardMostMove = blackPlaysFirst ? 1 : 0;
9018 gameInfo.result = moveType;
9019 p = strchr(yy_text, '{');
9020 if (p == NULL) p = strchr(yy_text, '(');
9023 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9025 q = strchr(p, *p == '{' ? '}' : ')');
9026 if (q != NULL) *q = NULLCHAR;
9029 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9030 gameInfo.resultDetails = StrSave(p);
9033 if (boardIndex >= forwardMostMove &&
9034 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9035 backwardMostMove = blackPlaysFirst ? 1 : 0;
9038 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9039 fromY, fromX, toY, toX, promoChar,
9040 parseList[boardIndex]);
9041 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9042 /* currentMoveString is set as a side-effect of yylex */
9043 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9044 strcat(moveList[boardIndex], "\n");
9046 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9047 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9053 if(gameInfo.variant != VariantShogi)
9054 strcat(parseList[boardIndex - 1], "+");
9058 strcat(parseList[boardIndex - 1], "#");
9065 /* Apply a move to the given board */
9067 ApplyMove(fromX, fromY, toX, toY, promoChar, board)
9068 int fromX, fromY, toX, toY;
9072 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9073 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9075 /* [HGM] compute & store e.p. status and castling rights for new position */
9076 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9078 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9079 oldEP = (signed char)board[EP_STATUS];
9080 board[EP_STATUS] = EP_NONE;
9082 if (fromY == DROP_RANK) {
9084 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9085 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9088 piece = board[toY][toX] = (ChessSquare) fromX;
9092 if( board[toY][toX] != EmptySquare )
9093 board[EP_STATUS] = EP_CAPTURE;
9095 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9096 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9097 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9099 if( board[fromY][fromX] == WhitePawn ) {
9100 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9101 board[EP_STATUS] = EP_PAWN_MOVE;
9103 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9104 gameInfo.variant != VariantBerolina || toX < fromX)
9105 board[EP_STATUS] = toX | berolina;
9106 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9107 gameInfo.variant != VariantBerolina || toX > fromX)
9108 board[EP_STATUS] = toX;
9111 if( board[fromY][fromX] == BlackPawn ) {
9112 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9113 board[EP_STATUS] = EP_PAWN_MOVE;
9114 if( toY-fromY== -2) {
9115 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9116 gameInfo.variant != VariantBerolina || toX < fromX)
9117 board[EP_STATUS] = toX | berolina;
9118 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9119 gameInfo.variant != VariantBerolina || toX > fromX)
9120 board[EP_STATUS] = toX;
9124 for(i=0; i<nrCastlingRights; i++) {
9125 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9126 board[CASTLING][i] == toX && castlingRank[i] == toY
9127 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9130 if (fromX == toX && fromY == toY) return;
9132 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9133 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9134 if(gameInfo.variant == VariantKnightmate)
9135 king += (int) WhiteUnicorn - (int) WhiteKing;
9137 /* Code added by Tord: */
9138 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9139 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9140 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9141 board[fromY][fromX] = EmptySquare;
9142 board[toY][toX] = EmptySquare;
9143 if((toX > fromX) != (piece == WhiteRook)) {
9144 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9146 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9148 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9149 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9150 board[fromY][fromX] = EmptySquare;
9151 board[toY][toX] = EmptySquare;
9152 if((toX > fromX) != (piece == BlackRook)) {
9153 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9155 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9157 /* End of code added by Tord */
9159 } else if (board[fromY][fromX] == king
9160 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9161 && toY == fromY && toX > fromX+1) {
9162 board[fromY][fromX] = EmptySquare;
9163 board[toY][toX] = king;
9164 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9165 board[fromY][BOARD_RGHT-1] = EmptySquare;
9166 } else if (board[fromY][fromX] == king
9167 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9168 && toY == fromY && toX < fromX-1) {
9169 board[fromY][fromX] = EmptySquare;
9170 board[toY][toX] = king;
9171 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9172 board[fromY][BOARD_LEFT] = EmptySquare;
9173 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9174 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9175 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9177 /* white pawn promotion */
9178 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9179 if(gameInfo.variant==VariantBughouse ||
9180 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9181 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9182 board[fromY][fromX] = EmptySquare;
9183 } else if ((fromY >= BOARD_HEIGHT>>1)
9185 && gameInfo.variant != VariantXiangqi
9186 && gameInfo.variant != VariantBerolina
9187 && (board[fromY][fromX] == WhitePawn)
9188 && (board[toY][toX] == EmptySquare)) {
9189 board[fromY][fromX] = EmptySquare;
9190 board[toY][toX] = WhitePawn;
9191 captured = board[toY - 1][toX];
9192 board[toY - 1][toX] = EmptySquare;
9193 } else if ((fromY == BOARD_HEIGHT-4)
9195 && gameInfo.variant == VariantBerolina
9196 && (board[fromY][fromX] == WhitePawn)
9197 && (board[toY][toX] == EmptySquare)) {
9198 board[fromY][fromX] = EmptySquare;
9199 board[toY][toX] = WhitePawn;
9200 if(oldEP & EP_BEROLIN_A) {
9201 captured = board[fromY][fromX-1];
9202 board[fromY][fromX-1] = EmptySquare;
9203 }else{ captured = board[fromY][fromX+1];
9204 board[fromY][fromX+1] = EmptySquare;
9206 } else if (board[fromY][fromX] == king
9207 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9208 && toY == fromY && toX > fromX+1) {
9209 board[fromY][fromX] = EmptySquare;
9210 board[toY][toX] = king;
9211 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9212 board[fromY][BOARD_RGHT-1] = EmptySquare;
9213 } else if (board[fromY][fromX] == king
9214 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9215 && toY == fromY && toX < fromX-1) {
9216 board[fromY][fromX] = EmptySquare;
9217 board[toY][toX] = king;
9218 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9219 board[fromY][BOARD_LEFT] = EmptySquare;
9220 } else if (fromY == 7 && fromX == 3
9221 && board[fromY][fromX] == BlackKing
9222 && toY == 7 && toX == 5) {
9223 board[fromY][fromX] = EmptySquare;
9224 board[toY][toX] = BlackKing;
9225 board[fromY][7] = EmptySquare;
9226 board[toY][4] = BlackRook;
9227 } else if (fromY == 7 && fromX == 3
9228 && board[fromY][fromX] == BlackKing
9229 && toY == 7 && toX == 1) {
9230 board[fromY][fromX] = EmptySquare;
9231 board[toY][toX] = BlackKing;
9232 board[fromY][0] = EmptySquare;
9233 board[toY][2] = BlackRook;
9234 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9235 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9236 && toY < promoRank && promoChar
9238 /* black pawn promotion */
9239 board[toY][toX] = CharToPiece(ToLower(promoChar));
9240 if(gameInfo.variant==VariantBughouse ||
9241 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9242 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9243 board[fromY][fromX] = EmptySquare;
9244 } else if ((fromY < BOARD_HEIGHT>>1)
9246 && gameInfo.variant != VariantXiangqi
9247 && gameInfo.variant != VariantBerolina
9248 && (board[fromY][fromX] == BlackPawn)
9249 && (board[toY][toX] == EmptySquare)) {
9250 board[fromY][fromX] = EmptySquare;
9251 board[toY][toX] = BlackPawn;
9252 captured = board[toY + 1][toX];
9253 board[toY + 1][toX] = EmptySquare;
9254 } else if ((fromY == 3)
9256 && gameInfo.variant == VariantBerolina
9257 && (board[fromY][fromX] == BlackPawn)
9258 && (board[toY][toX] == EmptySquare)) {
9259 board[fromY][fromX] = EmptySquare;
9260 board[toY][toX] = BlackPawn;
9261 if(oldEP & EP_BEROLIN_A) {
9262 captured = board[fromY][fromX-1];
9263 board[fromY][fromX-1] = EmptySquare;
9264 }else{ captured = board[fromY][fromX+1];
9265 board[fromY][fromX+1] = EmptySquare;
9268 board[toY][toX] = board[fromY][fromX];
9269 board[fromY][fromX] = EmptySquare;
9273 if (gameInfo.holdingsWidth != 0) {
9275 /* !!A lot more code needs to be written to support holdings */
9276 /* [HGM] OK, so I have written it. Holdings are stored in the */
9277 /* penultimate board files, so they are automaticlly stored */
9278 /* in the game history. */
9279 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9280 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9281 /* Delete from holdings, by decreasing count */
9282 /* and erasing image if necessary */
9283 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9284 if(p < (int) BlackPawn) { /* white drop */
9285 p -= (int)WhitePawn;
9286 p = PieceToNumber((ChessSquare)p);
9287 if(p >= gameInfo.holdingsSize) p = 0;
9288 if(--board[p][BOARD_WIDTH-2] <= 0)
9289 board[p][BOARD_WIDTH-1] = EmptySquare;
9290 if((int)board[p][BOARD_WIDTH-2] < 0)
9291 board[p][BOARD_WIDTH-2] = 0;
9292 } else { /* black drop */
9293 p -= (int)BlackPawn;
9294 p = PieceToNumber((ChessSquare)p);
9295 if(p >= gameInfo.holdingsSize) p = 0;
9296 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9297 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9298 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9299 board[BOARD_HEIGHT-1-p][1] = 0;
9302 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9303 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9304 /* [HGM] holdings: Add to holdings, if holdings exist */
9305 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9306 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9307 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9310 if (p >= (int) BlackPawn) {
9311 p -= (int)BlackPawn;
9312 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9313 /* in Shogi restore piece to its original first */
9314 captured = (ChessSquare) (DEMOTED captured);
9317 p = PieceToNumber((ChessSquare)p);
9318 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9319 board[p][BOARD_WIDTH-2]++;
9320 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9322 p -= (int)WhitePawn;
9323 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9324 captured = (ChessSquare) (DEMOTED captured);
9327 p = PieceToNumber((ChessSquare)p);
9328 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9329 board[BOARD_HEIGHT-1-p][1]++;
9330 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9333 } else if (gameInfo.variant == VariantAtomic) {
9334 if (captured != EmptySquare) {
9336 for (y = toY-1; y <= toY+1; y++) {
9337 for (x = toX-1; x <= toX+1; x++) {
9338 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9339 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9340 board[y][x] = EmptySquare;
9344 board[toY][toX] = EmptySquare;
9347 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9348 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9350 if(promoChar == '+') {
9351 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9352 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9353 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9354 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9356 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9357 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9358 // [HGM] superchess: take promotion piece out of holdings
9359 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9360 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9361 if(!--board[k][BOARD_WIDTH-2])
9362 board[k][BOARD_WIDTH-1] = EmptySquare;
9364 if(!--board[BOARD_HEIGHT-1-k][1])
9365 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9371 /* Updates forwardMostMove */
9373 MakeMove(fromX, fromY, toX, toY, promoChar)
9374 int fromX, fromY, toX, toY;
9377 // forwardMostMove++; // [HGM] bare: moved downstream
9379 (void) CoordsToAlgebraic(boards[forwardMostMove],
9380 PosFlags(forwardMostMove),
9381 fromY, fromX, toY, toX, promoChar,
9382 parseList[forwardMostMove]);
9384 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9385 int timeLeft; static int lastLoadFlag=0; int king, piece;
9386 piece = boards[forwardMostMove][fromY][fromX];
9387 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9388 if(gameInfo.variant == VariantKnightmate)
9389 king += (int) WhiteUnicorn - (int) WhiteKing;
9390 if(forwardMostMove == 0) {
9391 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9392 fprintf(serverMoves, "%s;", UserName());
9393 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9394 fprintf(serverMoves, "%s;", second.tidy);
9395 fprintf(serverMoves, "%s;", first.tidy);
9396 if(gameMode == MachinePlaysWhite)
9397 fprintf(serverMoves, "%s;", UserName());
9398 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9399 fprintf(serverMoves, "%s;", second.tidy);
9400 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9401 lastLoadFlag = loadFlag;
9403 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9404 // print castling suffix
9405 if( toY == fromY && piece == king ) {
9407 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9409 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9412 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9413 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9414 boards[forwardMostMove][toY][toX] == EmptySquare
9415 && fromX != toX && fromY != toY)
9416 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9418 if(promoChar != NULLCHAR)
9419 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9421 char buf[MOVE_LEN*2], *p; int len;
9422 fprintf(serverMoves, "/%d/%d",
9423 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9424 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9425 else timeLeft = blackTimeRemaining/1000;
9426 fprintf(serverMoves, "/%d", timeLeft);
9427 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9428 if(p = strchr(buf, '=')) *p = NULLCHAR;
9429 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9430 fprintf(serverMoves, "/%s", buf);
9432 fflush(serverMoves);
9435 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9436 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9439 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9440 if (commentList[forwardMostMove+1] != NULL) {
9441 free(commentList[forwardMostMove+1]);
9442 commentList[forwardMostMove+1] = NULL;
9444 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9445 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9446 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9447 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9448 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9449 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9450 adjustedClock = FALSE;
9451 gameInfo.result = GameUnfinished;
9452 if (gameInfo.resultDetails != NULL) {
9453 free(gameInfo.resultDetails);
9454 gameInfo.resultDetails = NULL;
9456 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9457 moveList[forwardMostMove - 1]);
9458 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9464 if(gameInfo.variant != VariantShogi)
9465 strcat(parseList[forwardMostMove - 1], "+");
9469 strcat(parseList[forwardMostMove - 1], "#");
9472 if (appData.debugMode) {
9473 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9478 /* Updates currentMove if not pausing */
9480 ShowMove(fromX, fromY, toX, toY)
9482 int instant = (gameMode == PlayFromGameFile) ?
9483 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9484 if(appData.noGUI) return;
9485 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9487 if (forwardMostMove == currentMove + 1) {
9488 AnimateMove(boards[forwardMostMove - 1],
9489 fromX, fromY, toX, toY);
9491 if (appData.highlightLastMove) {
9492 SetHighlights(fromX, fromY, toX, toY);
9495 currentMove = forwardMostMove;
9498 if (instant) return;
9500 DisplayMove(currentMove - 1);
9501 DrawPosition(FALSE, boards[currentMove]);
9502 DisplayBothClocks();
9503 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9506 void SendEgtPath(ChessProgramState *cps)
9507 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9508 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9510 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9513 char c, *q = name+1, *r, *s;
9515 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9516 while(*p && *p != ',') *q++ = *p++;
9518 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9519 strcmp(name, ",nalimov:") == 0 ) {
9520 // take nalimov path from the menu-changeable option first, if it is defined
9521 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9522 SendToProgram(buf,cps); // send egtbpath command for nalimov
9524 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9525 (s = StrStr(appData.egtFormats, name)) != NULL) {
9526 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9527 s = r = StrStr(s, ":") + 1; // beginning of path info
9528 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9529 c = *r; *r = 0; // temporarily null-terminate path info
9530 *--q = 0; // strip of trailig ':' from name
9531 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9533 SendToProgram(buf,cps); // send egtbpath command for this format
9535 if(*p == ',') p++; // read away comma to position for next format name
9540 InitChessProgram(cps, setup)
9541 ChessProgramState *cps;
9542 int setup; /* [HGM] needed to setup FRC opening position */
9544 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9545 if (appData.noChessProgram) return;
9546 hintRequested = FALSE;
9547 bookRequested = FALSE;
9549 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9550 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9551 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9552 if(cps->memSize) { /* [HGM] memory */
9553 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9554 SendToProgram(buf, cps);
9556 SendEgtPath(cps); /* [HGM] EGT */
9557 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9558 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9559 SendToProgram(buf, cps);
9562 SendToProgram(cps->initString, cps);
9563 if (gameInfo.variant != VariantNormal &&
9564 gameInfo.variant != VariantLoadable
9565 /* [HGM] also send variant if board size non-standard */
9566 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9568 char *v = VariantName(gameInfo.variant);
9569 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9570 /* [HGM] in protocol 1 we have to assume all variants valid */
9571 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9572 DisplayFatalError(buf, 0, 1);
9576 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9577 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9578 if( gameInfo.variant == VariantXiangqi )
9579 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9580 if( gameInfo.variant == VariantShogi )
9581 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9582 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9583 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9584 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9585 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9586 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9587 if( gameInfo.variant == VariantCourier )
9588 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9589 if( gameInfo.variant == VariantSuper )
9590 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9591 if( gameInfo.variant == VariantGreat )
9592 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9593 if( gameInfo.variant == VariantSChess )
9594 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9595 if( gameInfo.variant == VariantGrand )
9596 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9599 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9600 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9601 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9602 if(StrStr(cps->variants, b) == NULL) {
9603 // specific sized variant not known, check if general sizing allowed
9604 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9605 if(StrStr(cps->variants, "boardsize") == NULL) {
9606 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9607 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9608 DisplayFatalError(buf, 0, 1);
9611 /* [HGM] here we really should compare with the maximum supported board size */
9614 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9615 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9616 SendToProgram(buf, cps);
9618 currentlyInitializedVariant = gameInfo.variant;
9620 /* [HGM] send opening position in FRC to first engine */
9622 SendToProgram("force\n", cps);
9624 /* engine is now in force mode! Set flag to wake it up after first move. */
9625 setboardSpoiledMachineBlack = 1;
9629 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9630 SendToProgram(buf, cps);
9632 cps->maybeThinking = FALSE;
9633 cps->offeredDraw = 0;
9634 if (!appData.icsActive) {
9635 SendTimeControl(cps, movesPerSession, timeControl,
9636 timeIncrement, appData.searchDepth,
9639 if (appData.showThinking
9640 // [HGM] thinking: four options require thinking output to be sent
9641 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9643 SendToProgram("post\n", cps);
9645 SendToProgram("hard\n", cps);
9646 if (!appData.ponderNextMove) {
9647 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9648 it without being sure what state we are in first. "hard"
9649 is not a toggle, so that one is OK.
9651 SendToProgram("easy\n", cps);
9654 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9655 SendToProgram(buf, cps);
9657 cps->initDone = TRUE;
9658 ClearEngineOutputPane(cps == &second);
9663 StartChessProgram(cps)
9664 ChessProgramState *cps;
9669 if (appData.noChessProgram) return;
9670 cps->initDone = FALSE;
9672 if (strcmp(cps->host, "localhost") == 0) {
9673 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9674 } else if (*appData.remoteShell == NULLCHAR) {
9675 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9677 if (*appData.remoteUser == NULLCHAR) {
9678 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9681 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9682 cps->host, appData.remoteUser, cps->program);
9684 err = StartChildProcess(buf, "", &cps->pr);
9688 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9689 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9690 if(cps != &first) return;
9691 appData.noChessProgram = TRUE;
9694 // DisplayFatalError(buf, err, 1);
9695 // cps->pr = NoProc;
9700 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9701 if (cps->protocolVersion > 1) {
9702 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9703 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9704 cps->comboCnt = 0; // and values of combo boxes
9705 SendToProgram(buf, cps);
9707 SendToProgram("xboard\n", cps);
9712 TwoMachinesEventIfReady P((void))
9714 static int curMess = 0;
9715 if (first.lastPing != first.lastPong) {
9716 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9717 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9720 if (second.lastPing != second.lastPong) {
9721 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9722 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9725 DisplayMessage("", ""); curMess = 0;
9731 MakeName(char *template)
9735 static char buf[MSG_SIZ];
9739 clock = time((time_t *)NULL);
9740 tm = localtime(&clock);
9742 while(*p++ = *template++) if(p[-1] == '%') {
9743 switch(*template++) {
9744 case 0: *p = 0; return buf;
9745 case 'Y': i = tm->tm_year+1900; break;
9746 case 'y': i = tm->tm_year-100; break;
9747 case 'M': i = tm->tm_mon+1; break;
9748 case 'd': i = tm->tm_mday; break;
9749 case 'h': i = tm->tm_hour; break;
9750 case 'm': i = tm->tm_min; break;
9751 case 's': i = tm->tm_sec; break;
9754 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9760 CountPlayers(char *p)
9763 while(p = strchr(p, '\n')) p++, n++; // count participants
9768 WriteTourneyFile(char *results, FILE *f)
9769 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9770 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9771 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9772 // create a file with tournament description
9773 fprintf(f, "-participants {%s}\n", appData.participants);
9774 fprintf(f, "-seedBase %d\n", appData.seedBase);
9775 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9776 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9777 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9778 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9779 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9780 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9781 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9782 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9783 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9784 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9785 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9786 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9788 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9790 fprintf(f, "-mps %d\n", appData.movesPerSession);
9791 fprintf(f, "-tc %s\n", appData.timeControl);
9792 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9794 fprintf(f, "-results \"%s\"\n", results);
9799 #define MAXENGINES 1000
9800 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9802 void Substitute(char *participants, int expunge)
9804 int i, changed, changes=0, nPlayers=0;
9805 char *p, *q, *r, buf[MSG_SIZ];
9806 if(participants == NULL) return;
9807 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9808 r = p = participants; q = appData.participants;
9809 while(*p && *p == *q) {
9810 if(*p == '\n') r = p+1, nPlayers++;
9813 if(*p) { // difference
9814 while(*p && *p++ != '\n');
9815 while(*q && *q++ != '\n');
9817 changes = 1 + (strcmp(p, q) != 0);
9819 if(changes == 1) { // a single engine mnemonic was changed
9820 q = r; while(*q) nPlayers += (*q++ == '\n');
9821 p = buf; while(*r && (*p = *r++) != '\n') p++;
9823 NamesToList(firstChessProgramNames, command, mnemonic);
9824 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9825 if(mnemonic[i]) { // The substitute is valid
9827 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9828 flock(fileno(f), LOCK_EX);
9829 ParseArgsFromFile(f);
9830 fseek(f, 0, SEEK_SET);
9831 FREE(appData.participants); appData.participants = participants;
9832 if(expunge) { // erase results of replaced engine
9833 int len = strlen(appData.results), w, b, dummy;
9834 for(i=0; i<len; i++) {
9835 Pairing(i, nPlayers, &w, &b, &dummy);
9836 if((w == changed || b == changed) && appData.results[i] == '*') {
9837 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9842 for(i=0; i<len; i++) {
9843 Pairing(i, nPlayers, &w, &b, &dummy);
9844 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9847 WriteTourneyFile(appData.results, f);
9848 fclose(f); // release lock
9851 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9853 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9854 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9860 CreateTourney(char *name)
9863 if(matchMode && strcmp(name, appData.tourneyFile)) {
9864 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9866 if(name[0] == NULLCHAR) {
9867 if(appData.participants[0])
9868 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9871 f = fopen(name, "r");
9872 if(f) { // file exists
9873 ASSIGN(appData.tourneyFile, name);
9874 ParseArgsFromFile(f); // parse it
9876 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9877 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9878 DisplayError(_("Not enough participants"), 0);
9881 ASSIGN(appData.tourneyFile, name);
9882 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9883 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9886 appData.noChessProgram = FALSE;
9887 appData.clockMode = TRUE;
9892 void NamesToList(char *names, char **engineList, char **engineMnemonic)
9894 char buf[MSG_SIZ], *p, *q;
9898 while(*p && *p != '\n') *q++ = *p++;
9900 if(engineList[i]) free(engineList[i]);
9901 engineList[i] = strdup(buf);
9903 TidyProgramName(engineList[i], "localhost", buf);
9904 if(engineMnemonic[i]) free(engineMnemonic[i]);
9905 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9907 sscanf(q + 8, "%s", buf + strlen(buf));
9910 engineMnemonic[i] = strdup(buf);
9912 if(i > MAXENGINES - 2) break;
9914 engineList[i] = engineMnemonic[i] = NULL;
9917 // following implemented as macro to avoid type limitations
9918 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9920 void SwapEngines(int n)
9921 { // swap settings for first engine and other engine (so far only some selected options)
9926 SWAP(chessProgram, p)
9928 SWAP(hasOwnBookUCI, h)
9929 SWAP(protocolVersion, h)
9931 SWAP(scoreIsAbsolute, h)
9940 SetPlayer(int player)
9941 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9943 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9944 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9945 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9946 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9948 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9949 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9950 appData.firstHasOwnBookUCI = !appData.defNoBook;
9951 ParseArgsFromString(buf);
9957 Pairing(int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9958 { // determine players from game number
9959 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9961 if(appData.tourneyType == 0) {
9962 roundsPerCycle = (nPlayers - 1) | 1;
9963 pairingsPerRound = nPlayers / 2;
9964 } else if(appData.tourneyType > 0) {
9965 roundsPerCycle = nPlayers - appData.tourneyType;
9966 pairingsPerRound = appData.tourneyType;
9968 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9969 gamesPerCycle = gamesPerRound * roundsPerCycle;
9970 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9971 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9972 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9973 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9974 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9975 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9977 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9978 if(appData.roundSync) *syncInterval = gamesPerRound;
9980 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9982 if(appData.tourneyType == 0) {
9983 if(curPairing == (nPlayers-1)/2 ) {
9984 *whitePlayer = curRound;
9985 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9987 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9988 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9989 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9990 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9992 } else if(appData.tourneyType > 0) {
9993 *whitePlayer = curPairing;
9994 *blackPlayer = curRound + appData.tourneyType;
9997 // take care of white/black alternation per round.
9998 // For cycles and games this is already taken care of by default, derived from matchGame!
9999 return curRound & 1;
10003 NextTourneyGame(int nr, int *swapColors)
10004 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10006 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10008 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10009 tf = fopen(appData.tourneyFile, "r");
10010 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10011 ParseArgsFromFile(tf); fclose(tf);
10012 InitTimeControls(); // TC might be altered from tourney file
10014 nPlayers = CountPlayers(appData.participants); // count participants
10015 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10016 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10019 p = q = appData.results;
10020 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10021 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10022 DisplayMessage(_("Waiting for other game(s)"),"");
10023 waitingForGame = TRUE;
10024 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10027 waitingForGame = FALSE;
10030 if(appData.tourneyType < 0) {
10031 if(nr>=0 && !pairingReceived) {
10033 if(pairing.pr == NoProc) {
10034 if(!appData.pairingEngine[0]) {
10035 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10038 StartChessProgram(&pairing); // starts the pairing engine
10040 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10041 SendToProgram(buf, &pairing);
10042 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10043 SendToProgram(buf, &pairing);
10044 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10046 pairingReceived = 0; // ... so we continue here
10048 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10049 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10050 matchGame = 1; roundNr = nr / syncInterval + 1;
10053 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10055 // redefine engines, engine dir, etc.
10056 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10057 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10059 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10060 SwapEngines(1); // and make that valid for second engine by swapping
10061 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10062 InitEngine(&second, 1);
10063 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10064 UpdateLogos(FALSE); // leave display to ModeHiglight()
10070 { // performs game initialization that does not invoke engines, and then tries to start the game
10071 int res, firstWhite, swapColors = 0;
10072 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10073 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10074 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10075 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10076 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10077 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10078 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10079 Reset(FALSE, first.pr != NoProc);
10080 res = LoadGameOrPosition(matchGame); // setup game
10081 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10082 if(!res) return; // abort when bad game/pos file
10083 TwoMachinesEvent();
10086 void UserAdjudicationEvent( int result )
10088 ChessMove gameResult = GameIsDrawn;
10091 gameResult = WhiteWins;
10093 else if( result < 0 ) {
10094 gameResult = BlackWins;
10097 if( gameMode == TwoMachinesPlay ) {
10098 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10103 // [HGM] save: calculate checksum of game to make games easily identifiable
10104 int StringCheckSum(char *s)
10107 if(s==NULL) return 0;
10108 while(*s) i = i*259 + *s++;
10115 for(i=backwardMostMove; i<forwardMostMove; i++) {
10116 sum += pvInfoList[i].depth;
10117 sum += StringCheckSum(parseList[i]);
10118 sum += StringCheckSum(commentList[i]);
10121 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10122 return sum + StringCheckSum(commentList[i]);
10123 } // end of save patch
10126 GameEnds(result, resultDetails, whosays)
10128 char *resultDetails;
10131 GameMode nextGameMode;
10133 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10135 if(endingGame) return; /* [HGM] crash: forbid recursion */
10137 if(twoBoards) { // [HGM] dual: switch back to one board
10138 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10139 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10141 if (appData.debugMode) {
10142 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10143 result, resultDetails ? resultDetails : "(null)", whosays);
10146 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10148 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10149 /* If we are playing on ICS, the server decides when the
10150 game is over, but the engine can offer to draw, claim
10154 if (appData.zippyPlay && first.initDone) {
10155 if (result == GameIsDrawn) {
10156 /* In case draw still needs to be claimed */
10157 SendToICS(ics_prefix);
10158 SendToICS("draw\n");
10159 } else if (StrCaseStr(resultDetails, "resign")) {
10160 SendToICS(ics_prefix);
10161 SendToICS("resign\n");
10165 endingGame = 0; /* [HGM] crash */
10169 /* If we're loading the game from a file, stop */
10170 if (whosays == GE_FILE) {
10171 (void) StopLoadGameTimer();
10175 /* Cancel draw offers */
10176 first.offeredDraw = second.offeredDraw = 0;
10178 /* If this is an ICS game, only ICS can really say it's done;
10179 if not, anyone can. */
10180 isIcsGame = (gameMode == IcsPlayingWhite ||
10181 gameMode == IcsPlayingBlack ||
10182 gameMode == IcsObserving ||
10183 gameMode == IcsExamining);
10185 if (!isIcsGame || whosays == GE_ICS) {
10186 /* OK -- not an ICS game, or ICS said it was done */
10188 if (!isIcsGame && !appData.noChessProgram)
10189 SetUserThinkingEnables();
10191 /* [HGM] if a machine claims the game end we verify this claim */
10192 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10193 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10195 ChessMove trueResult = (ChessMove) -1;
10197 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10198 first.twoMachinesColor[0] :
10199 second.twoMachinesColor[0] ;
10201 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10202 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10203 /* [HGM] verify: engine mate claims accepted if they were flagged */
10204 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10206 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10207 /* [HGM] verify: engine mate claims accepted if they were flagged */
10208 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10210 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10211 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10214 // now verify win claims, but not in drop games, as we don't understand those yet
10215 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10216 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10217 (result == WhiteWins && claimer == 'w' ||
10218 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10219 if (appData.debugMode) {
10220 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10221 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10223 if(result != trueResult) {
10224 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10225 result = claimer == 'w' ? BlackWins : WhiteWins;
10226 resultDetails = buf;
10229 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10230 && (forwardMostMove <= backwardMostMove ||
10231 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10232 (claimer=='b')==(forwardMostMove&1))
10234 /* [HGM] verify: draws that were not flagged are false claims */
10235 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10236 result = claimer == 'w' ? BlackWins : WhiteWins;
10237 resultDetails = buf;
10239 /* (Claiming a loss is accepted no questions asked!) */
10241 /* [HGM] bare: don't allow bare King to win */
10242 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10243 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10244 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10245 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10246 && result != GameIsDrawn)
10247 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10248 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10249 int p = (signed char)boards[forwardMostMove][i][j] - color;
10250 if(p >= 0 && p <= (int)WhiteKing) k++;
10252 if (appData.debugMode) {
10253 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10254 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10257 result = GameIsDrawn;
10258 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10259 resultDetails = buf;
10265 if(serverMoves != NULL && !loadFlag) { char c = '=';
10266 if(result==WhiteWins) c = '+';
10267 if(result==BlackWins) c = '-';
10268 if(resultDetails != NULL)
10269 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10271 if (resultDetails != NULL) {
10272 gameInfo.result = result;
10273 gameInfo.resultDetails = StrSave(resultDetails);
10275 /* display last move only if game was not loaded from file */
10276 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10277 DisplayMove(currentMove - 1);
10279 if (forwardMostMove != 0) {
10280 if (gameMode != PlayFromGameFile && gameMode != EditGame
10281 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10283 if (*appData.saveGameFile != NULLCHAR) {
10284 SaveGameToFile(appData.saveGameFile, TRUE);
10285 } else if (appData.autoSaveGames) {
10288 if (*appData.savePositionFile != NULLCHAR) {
10289 SavePositionToFile(appData.savePositionFile);
10294 /* Tell program how game ended in case it is learning */
10295 /* [HGM] Moved this to after saving the PGN, just in case */
10296 /* engine died and we got here through time loss. In that */
10297 /* case we will get a fatal error writing the pipe, which */
10298 /* would otherwise lose us the PGN. */
10299 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10300 /* output during GameEnds should never be fatal anymore */
10301 if (gameMode == MachinePlaysWhite ||
10302 gameMode == MachinePlaysBlack ||
10303 gameMode == TwoMachinesPlay ||
10304 gameMode == IcsPlayingWhite ||
10305 gameMode == IcsPlayingBlack ||
10306 gameMode == BeginningOfGame) {
10308 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10310 if (first.pr != NoProc) {
10311 SendToProgram(buf, &first);
10313 if (second.pr != NoProc &&
10314 gameMode == TwoMachinesPlay) {
10315 SendToProgram(buf, &second);
10320 if (appData.icsActive) {
10321 if (appData.quietPlay &&
10322 (gameMode == IcsPlayingWhite ||
10323 gameMode == IcsPlayingBlack)) {
10324 SendToICS(ics_prefix);
10325 SendToICS("set shout 1\n");
10327 nextGameMode = IcsIdle;
10328 ics_user_moved = FALSE;
10329 /* clean up premove. It's ugly when the game has ended and the
10330 * premove highlights are still on the board.
10333 gotPremove = FALSE;
10334 ClearPremoveHighlights();
10335 DrawPosition(FALSE, boards[currentMove]);
10337 if (whosays == GE_ICS) {
10340 if (gameMode == IcsPlayingWhite)
10342 else if(gameMode == IcsPlayingBlack)
10343 PlayIcsLossSound();
10346 if (gameMode == IcsPlayingBlack)
10348 else if(gameMode == IcsPlayingWhite)
10349 PlayIcsLossSound();
10352 PlayIcsDrawSound();
10355 PlayIcsUnfinishedSound();
10358 } else if (gameMode == EditGame ||
10359 gameMode == PlayFromGameFile ||
10360 gameMode == AnalyzeMode ||
10361 gameMode == AnalyzeFile) {
10362 nextGameMode = gameMode;
10364 nextGameMode = EndOfGame;
10369 nextGameMode = gameMode;
10372 if (appData.noChessProgram) {
10373 gameMode = nextGameMode;
10375 endingGame = 0; /* [HGM] crash */
10380 /* Put first chess program into idle state */
10381 if (first.pr != NoProc &&
10382 (gameMode == MachinePlaysWhite ||
10383 gameMode == MachinePlaysBlack ||
10384 gameMode == TwoMachinesPlay ||
10385 gameMode == IcsPlayingWhite ||
10386 gameMode == IcsPlayingBlack ||
10387 gameMode == BeginningOfGame)) {
10388 SendToProgram("force\n", &first);
10389 if (first.usePing) {
10391 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10392 SendToProgram(buf, &first);
10395 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10396 /* Kill off first chess program */
10397 if (first.isr != NULL)
10398 RemoveInputSource(first.isr);
10401 if (first.pr != NoProc) {
10403 DoSleep( appData.delayBeforeQuit );
10404 SendToProgram("quit\n", &first);
10405 DoSleep( appData.delayAfterQuit );
10406 DestroyChildProcess(first.pr, first.useSigterm);
10410 if (second.reuse) {
10411 /* Put second chess program into idle state */
10412 if (second.pr != NoProc &&
10413 gameMode == TwoMachinesPlay) {
10414 SendToProgram("force\n", &second);
10415 if (second.usePing) {
10417 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10418 SendToProgram(buf, &second);
10421 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10422 /* Kill off second chess program */
10423 if (second.isr != NULL)
10424 RemoveInputSource(second.isr);
10427 if (second.pr != NoProc) {
10428 DoSleep( appData.delayBeforeQuit );
10429 SendToProgram("quit\n", &second);
10430 DoSleep( appData.delayAfterQuit );
10431 DestroyChildProcess(second.pr, second.useSigterm);
10433 second.pr = NoProc;
10436 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10437 char resChar = '=';
10441 if (first.twoMachinesColor[0] == 'w') {
10444 second.matchWins++;
10449 if (first.twoMachinesColor[0] == 'b') {
10452 second.matchWins++;
10455 case GameUnfinished:
10461 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10462 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10463 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10464 ReserveGame(nextGame, resChar); // sets nextGame
10465 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10466 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10467 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10469 if (nextGame <= appData.matchGames && !abortMatch) {
10470 gameMode = nextGameMode;
10471 matchGame = nextGame; // this will be overruled in tourney mode!
10472 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10473 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10474 endingGame = 0; /* [HGM] crash */
10477 gameMode = nextGameMode;
10478 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10479 first.tidy, second.tidy,
10480 first.matchWins, second.matchWins,
10481 appData.matchGames - (first.matchWins + second.matchWins));
10482 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10483 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10484 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10485 first.twoMachinesColor = "black\n";
10486 second.twoMachinesColor = "white\n";
10488 first.twoMachinesColor = "white\n";
10489 second.twoMachinesColor = "black\n";
10493 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10494 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10496 gameMode = nextGameMode;
10498 endingGame = 0; /* [HGM] crash */
10499 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10500 if(matchMode == TRUE) { // match through command line: exit with or without popup
10502 ToNrEvent(forwardMostMove);
10503 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10505 } else DisplayFatalError(buf, 0, 0);
10506 } else { // match through menu; just stop, with or without popup
10507 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10510 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10511 } else DisplayNote(buf);
10513 if(ranking) free(ranking);
10517 /* Assumes program was just initialized (initString sent).
10518 Leaves program in force mode. */
10520 FeedMovesToProgram(cps, upto)
10521 ChessProgramState *cps;
10526 if (appData.debugMode)
10527 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10528 startedFromSetupPosition ? "position and " : "",
10529 backwardMostMove, upto, cps->which);
10530 if(currentlyInitializedVariant != gameInfo.variant) {
10532 // [HGM] variantswitch: make engine aware of new variant
10533 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10534 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10535 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10536 SendToProgram(buf, cps);
10537 currentlyInitializedVariant = gameInfo.variant;
10539 SendToProgram("force\n", cps);
10540 if (startedFromSetupPosition) {
10541 SendBoard(cps, backwardMostMove);
10542 if (appData.debugMode) {
10543 fprintf(debugFP, "feedMoves\n");
10546 for (i = backwardMostMove; i < upto; i++) {
10547 SendMoveToProgram(i, cps);
10553 ResurrectChessProgram()
10555 /* The chess program may have exited.
10556 If so, restart it and feed it all the moves made so far. */
10557 static int doInit = 0;
10559 if (appData.noChessProgram) return 1;
10561 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10562 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10563 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10564 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10566 if (first.pr != NoProc) return 1;
10567 StartChessProgram(&first);
10569 InitChessProgram(&first, FALSE);
10570 FeedMovesToProgram(&first, currentMove);
10572 if (!first.sendTime) {
10573 /* can't tell gnuchess what its clock should read,
10574 so we bow to its notion. */
10576 timeRemaining[0][currentMove] = whiteTimeRemaining;
10577 timeRemaining[1][currentMove] = blackTimeRemaining;
10580 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10581 appData.icsEngineAnalyze) && first.analysisSupport) {
10582 SendToProgram("analyze\n", &first);
10583 first.analyzing = TRUE;
10589 * Button procedures
10592 Reset(redraw, init)
10597 if (appData.debugMode) {
10598 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10599 redraw, init, gameMode);
10601 CleanupTail(); // [HGM] vari: delete any stored variations
10602 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10603 pausing = pauseExamInvalid = FALSE;
10604 startedFromSetupPosition = blackPlaysFirst = FALSE;
10606 whiteFlag = blackFlag = FALSE;
10607 userOfferedDraw = FALSE;
10608 hintRequested = bookRequested = FALSE;
10609 first.maybeThinking = FALSE;
10610 second.maybeThinking = FALSE;
10611 first.bookSuspend = FALSE; // [HGM] book
10612 second.bookSuspend = FALSE;
10613 thinkOutput[0] = NULLCHAR;
10614 lastHint[0] = NULLCHAR;
10615 ClearGameInfo(&gameInfo);
10616 gameInfo.variant = StringToVariant(appData.variant);
10617 ics_user_moved = ics_clock_paused = FALSE;
10618 ics_getting_history = H_FALSE;
10620 white_holding[0] = black_holding[0] = NULLCHAR;
10621 ClearProgramStats();
10622 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10626 flipView = appData.flipView;
10627 ClearPremoveHighlights();
10628 gotPremove = FALSE;
10629 alarmSounded = FALSE;
10631 GameEnds(EndOfFile, NULL, GE_PLAYER);
10632 if(appData.serverMovesName != NULL) {
10633 /* [HGM] prepare to make moves file for broadcasting */
10634 clock_t t = clock();
10635 if(serverMoves != NULL) fclose(serverMoves);
10636 serverMoves = fopen(appData.serverMovesName, "r");
10637 if(serverMoves != NULL) {
10638 fclose(serverMoves);
10639 /* delay 15 sec before overwriting, so all clients can see end */
10640 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10642 serverMoves = fopen(appData.serverMovesName, "w");
10646 gameMode = BeginningOfGame;
10648 if(appData.icsActive) gameInfo.variant = VariantNormal;
10649 currentMove = forwardMostMove = backwardMostMove = 0;
10650 InitPosition(redraw);
10651 for (i = 0; i < MAX_MOVES; i++) {
10652 if (commentList[i] != NULL) {
10653 free(commentList[i]);
10654 commentList[i] = NULL;
10658 timeRemaining[0][0] = whiteTimeRemaining;
10659 timeRemaining[1][0] = blackTimeRemaining;
10661 if (first.pr == NoProc) {
10662 StartChessProgram(&first);
10665 InitChessProgram(&first, startedFromSetupPosition);
10668 DisplayMessage("", "");
10669 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10670 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10677 if (!AutoPlayOneMove())
10679 if (matchMode || appData.timeDelay == 0)
10681 if (appData.timeDelay < 0)
10683 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10692 int fromX, fromY, toX, toY;
10694 if (appData.debugMode) {
10695 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10698 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10701 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10702 pvInfoList[currentMove].depth = programStats.depth;
10703 pvInfoList[currentMove].score = programStats.score;
10704 pvInfoList[currentMove].time = 0;
10705 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10708 if (currentMove >= forwardMostMove) {
10709 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10710 // gameMode = EndOfGame;
10711 // ModeHighlight();
10713 /* [AS] Clear current move marker at the end of a game */
10714 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10719 toX = moveList[currentMove][2] - AAA;
10720 toY = moveList[currentMove][3] - ONE;
10722 if (moveList[currentMove][1] == '@') {
10723 if (appData.highlightLastMove) {
10724 SetHighlights(-1, -1, toX, toY);
10727 fromX = moveList[currentMove][0] - AAA;
10728 fromY = moveList[currentMove][1] - ONE;
10730 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10732 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10734 if (appData.highlightLastMove) {
10735 SetHighlights(fromX, fromY, toX, toY);
10738 DisplayMove(currentMove);
10739 SendMoveToProgram(currentMove++, &first);
10740 DisplayBothClocks();
10741 DrawPosition(FALSE, boards[currentMove]);
10742 // [HGM] PV info: always display, routine tests if empty
10743 DisplayComment(currentMove - 1, commentList[currentMove]);
10749 LoadGameOneMove(readAhead)
10750 ChessMove readAhead;
10752 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10753 char promoChar = NULLCHAR;
10754 ChessMove moveType;
10755 char move[MSG_SIZ];
10758 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10759 gameMode != AnalyzeMode && gameMode != Training) {
10764 yyboardindex = forwardMostMove;
10765 if (readAhead != EndOfFile) {
10766 moveType = readAhead;
10768 if (gameFileFP == NULL)
10770 moveType = (ChessMove) Myylex();
10774 switch (moveType) {
10776 if (appData.debugMode)
10777 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10780 /* append the comment but don't display it */
10781 AppendComment(currentMove, p, FALSE);
10784 case WhiteCapturesEnPassant:
10785 case BlackCapturesEnPassant:
10786 case WhitePromotion:
10787 case BlackPromotion:
10788 case WhiteNonPromotion:
10789 case BlackNonPromotion:
10791 case WhiteKingSideCastle:
10792 case WhiteQueenSideCastle:
10793 case BlackKingSideCastle:
10794 case BlackQueenSideCastle:
10795 case WhiteKingSideCastleWild:
10796 case WhiteQueenSideCastleWild:
10797 case BlackKingSideCastleWild:
10798 case BlackQueenSideCastleWild:
10800 case WhiteHSideCastleFR:
10801 case WhiteASideCastleFR:
10802 case BlackHSideCastleFR:
10803 case BlackASideCastleFR:
10805 if (appData.debugMode)
10806 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10807 fromX = currentMoveString[0] - AAA;
10808 fromY = currentMoveString[1] - ONE;
10809 toX = currentMoveString[2] - AAA;
10810 toY = currentMoveString[3] - ONE;
10811 promoChar = currentMoveString[4];
10816 if (appData.debugMode)
10817 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10818 fromX = moveType == WhiteDrop ?
10819 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10820 (int) CharToPiece(ToLower(currentMoveString[0]));
10822 toX = currentMoveString[2] - AAA;
10823 toY = currentMoveString[3] - ONE;
10829 case GameUnfinished:
10830 if (appData.debugMode)
10831 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10832 p = strchr(yy_text, '{');
10833 if (p == NULL) p = strchr(yy_text, '(');
10836 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10838 q = strchr(p, *p == '{' ? '}' : ')');
10839 if (q != NULL) *q = NULLCHAR;
10842 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10843 GameEnds(moveType, p, GE_FILE);
10845 if (cmailMsgLoaded) {
10847 flipView = WhiteOnMove(currentMove);
10848 if (moveType == GameUnfinished) flipView = !flipView;
10849 if (appData.debugMode)
10850 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10855 if (appData.debugMode)
10856 fprintf(debugFP, "Parser hit end of file\n");
10857 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10863 if (WhiteOnMove(currentMove)) {
10864 GameEnds(BlackWins, "Black mates", GE_FILE);
10866 GameEnds(WhiteWins, "White mates", GE_FILE);
10870 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10876 case MoveNumberOne:
10877 if (lastLoadGameStart == GNUChessGame) {
10878 /* GNUChessGames have numbers, but they aren't move numbers */
10879 if (appData.debugMode)
10880 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10881 yy_text, (int) moveType);
10882 return LoadGameOneMove(EndOfFile); /* tail recursion */
10884 /* else fall thru */
10889 /* Reached start of next game in file */
10890 if (appData.debugMode)
10891 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10892 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10898 if (WhiteOnMove(currentMove)) {
10899 GameEnds(BlackWins, "Black mates", GE_FILE);
10901 GameEnds(WhiteWins, "White mates", GE_FILE);
10905 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10911 case PositionDiagram: /* should not happen; ignore */
10912 case ElapsedTime: /* ignore */
10913 case NAG: /* ignore */
10914 if (appData.debugMode)
10915 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10916 yy_text, (int) moveType);
10917 return LoadGameOneMove(EndOfFile); /* tail recursion */
10920 if (appData.testLegality) {
10921 if (appData.debugMode)
10922 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10923 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10924 (forwardMostMove / 2) + 1,
10925 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10926 DisplayError(move, 0);
10929 if (appData.debugMode)
10930 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10931 yy_text, currentMoveString);
10932 fromX = currentMoveString[0] - AAA;
10933 fromY = currentMoveString[1] - ONE;
10934 toX = currentMoveString[2] - AAA;
10935 toY = currentMoveString[3] - ONE;
10936 promoChar = currentMoveString[4];
10940 case AmbiguousMove:
10941 if (appData.debugMode)
10942 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10943 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10944 (forwardMostMove / 2) + 1,
10945 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10946 DisplayError(move, 0);
10951 case ImpossibleMove:
10952 if (appData.debugMode)
10953 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10954 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10955 (forwardMostMove / 2) + 1,
10956 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10957 DisplayError(move, 0);
10963 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10964 DrawPosition(FALSE, boards[currentMove]);
10965 DisplayBothClocks();
10966 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10967 DisplayComment(currentMove - 1, commentList[currentMove]);
10969 (void) StopLoadGameTimer();
10971 cmailOldMove = forwardMostMove;
10974 /* currentMoveString is set as a side-effect of yylex */
10976 thinkOutput[0] = NULLCHAR;
10977 MakeMove(fromX, fromY, toX, toY, promoChar);
10978 currentMove = forwardMostMove;
10983 /* Load the nth game from the given file */
10985 LoadGameFromFile(filename, n, title, useList)
10989 /*Boolean*/ int useList;
10994 if (strcmp(filename, "-") == 0) {
10998 f = fopen(filename, "rb");
11000 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11001 DisplayError(buf, errno);
11005 if (fseek(f, 0, 0) == -1) {
11006 /* f is not seekable; probably a pipe */
11009 if (useList && n == 0) {
11010 int error = GameListBuild(f);
11012 DisplayError(_("Cannot build game list"), error);
11013 } else if (!ListEmpty(&gameList) &&
11014 ((ListGame *) gameList.tailPred)->number > 1) {
11015 GameListPopUp(f, title);
11022 return LoadGame(f, n, title, FALSE);
11027 MakeRegisteredMove()
11029 int fromX, fromY, toX, toY;
11031 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11032 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11035 if (appData.debugMode)
11036 fprintf(debugFP, "Restoring %s for game %d\n",
11037 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11039 thinkOutput[0] = NULLCHAR;
11040 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11041 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11042 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11043 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11044 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11045 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11046 MakeMove(fromX, fromY, toX, toY, promoChar);
11047 ShowMove(fromX, fromY, toX, toY);
11049 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11056 if (WhiteOnMove(currentMove)) {
11057 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11059 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11064 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11071 if (WhiteOnMove(currentMove)) {
11072 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11074 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11079 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11090 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11092 CmailLoadGame(f, gameNumber, title, useList)
11100 if (gameNumber > nCmailGames) {
11101 DisplayError(_("No more games in this message"), 0);
11104 if (f == lastLoadGameFP) {
11105 int offset = gameNumber - lastLoadGameNumber;
11107 cmailMsg[0] = NULLCHAR;
11108 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11109 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11110 nCmailMovesRegistered--;
11112 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11113 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11114 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11117 if (! RegisterMove()) return FALSE;
11121 retVal = LoadGame(f, gameNumber, title, useList);
11123 /* Make move registered during previous look at this game, if any */
11124 MakeRegisteredMove();
11126 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11127 commentList[currentMove]
11128 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11129 DisplayComment(currentMove - 1, commentList[currentMove]);
11135 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11140 int gameNumber = lastLoadGameNumber + offset;
11141 if (lastLoadGameFP == NULL) {
11142 DisplayError(_("No game has been loaded yet"), 0);
11145 if (gameNumber <= 0) {
11146 DisplayError(_("Can't back up any further"), 0);
11149 if (cmailMsgLoaded) {
11150 return CmailLoadGame(lastLoadGameFP, gameNumber,
11151 lastLoadGameTitle, lastLoadGameUseList);
11153 return LoadGame(lastLoadGameFP, gameNumber,
11154 lastLoadGameTitle, lastLoadGameUseList);
11158 int keys[EmptySquare+1];
11161 PositionMatches(Board b1, Board b2)
11164 switch(appData.searchMode) {
11165 case 1: return CompareWithRights(b1, b2);
11167 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11168 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11172 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11173 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11174 sum += keys[b1[r][f]] - keys[b2[r][f]];
11178 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11179 sum += keys[b1[r][f]] - keys[b2[r][f]];
11191 int pieceList[256], quickBoard[256];
11192 ChessSquare pieceType[256] = { EmptySquare };
11193 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11194 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11195 int soughtTotal, turn;
11196 Boolean epOK, flipSearch;
11199 unsigned char piece, to;
11202 #define DSIZE (250000)
11204 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11205 Move *moveDatabase = initialSpace;
11206 unsigned int movePtr, dataSize = DSIZE;
11208 int MakePieceList(Board board, int *counts)
11210 int r, f, n=Q_PROMO, total=0;
11211 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11212 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11213 int sq = f + (r<<4);
11214 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11215 quickBoard[sq] = ++n;
11217 pieceType[n] = board[r][f];
11218 counts[board[r][f]]++;
11219 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11220 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11224 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11228 void PackMove(int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11230 int sq = fromX + (fromY<<4);
11231 int piece = quickBoard[sq];
11232 quickBoard[sq] = 0;
11233 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11234 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11235 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11236 moveDatabase[movePtr++].piece = Q_WCASTL;
11237 quickBoard[sq] = piece;
11238 piece = quickBoard[from]; quickBoard[from] = 0;
11239 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11241 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11242 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11243 moveDatabase[movePtr++].piece = Q_BCASTL;
11244 quickBoard[sq] = piece;
11245 piece = quickBoard[from]; quickBoard[from] = 0;
11246 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11248 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11249 quickBoard[(fromY<<4)+toX] = 0;
11250 moveDatabase[movePtr].piece = Q_EP;
11251 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11252 moveDatabase[movePtr].to = sq;
11254 if(promoPiece != pieceType[piece]) {
11255 moveDatabase[movePtr++].piece = Q_PROMO;
11256 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11258 moveDatabase[movePtr].piece = piece;
11259 quickBoard[sq] = piece;
11263 int PackGame(Board board)
11265 Move *newSpace = NULL;
11266 moveDatabase[movePtr].piece = 0; // terminate previous game
11267 if(movePtr > dataSize) {
11268 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11269 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11270 if(dataSize) newSpace = (Move*) calloc(8*dataSize + 1000, sizeof(Move));
11273 Move *p = moveDatabase, *q = newSpace;
11274 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11275 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11276 moveDatabase = newSpace;
11277 } else { // calloc failed, we must be out of memory. Too bad...
11278 dataSize = 0; // prevent calloc events for all subsequent games
11279 return 0; // and signal this one isn't cached
11283 MakePieceList(board, counts);
11287 int QuickCompare(Board board, int *minCounts, int *maxCounts)
11288 { // compare according to search mode
11290 switch(appData.searchMode)
11292 case 1: // exact position match
11293 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11294 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11295 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11298 case 2: // can have extra material on empty squares
11299 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11300 if(board[r][f] == EmptySquare) continue;
11301 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11304 case 3: // material with exact Pawn structure
11305 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11306 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11307 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11308 } // fall through to material comparison
11309 case 4: // exact material
11310 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11312 case 6: // material range with given imbalance
11313 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11314 // fall through to range comparison
11315 case 5: // material range
11316 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11321 int QuickScan(Board board, Move *move)
11322 { // reconstruct game,and compare all positions in it
11323 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11325 int piece = move->piece;
11326 int to = move->to, from = pieceList[piece];
11327 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11328 if(!piece) return -1;
11329 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11330 piece = (++move)->piece;
11331 from = pieceList[piece];
11332 counts[pieceType[piece]]--;
11333 pieceType[piece] = (ChessSquare) move->to;
11334 counts[move->to]++;
11335 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11336 counts[pieceType[quickBoard[to]]]--;
11337 quickBoard[to] = 0; total--;
11340 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11341 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11342 from = pieceList[piece]; // so this must be King
11343 quickBoard[from] = 0;
11344 quickBoard[to] = piece;
11345 pieceList[piece] = to;
11350 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11351 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11352 quickBoard[from] = 0;
11353 quickBoard[to] = piece;
11354 pieceList[piece] = to;
11356 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11357 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11358 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11359 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11361 static int lastCounts[EmptySquare+1];
11363 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11364 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11365 } else stretch = 0;
11366 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11374 flipSearch = FALSE;
11375 CopyBoard(soughtBoard, boards[currentMove]);
11376 soughtTotal = MakePieceList(soughtBoard, maxSought);
11377 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11378 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11379 CopyBoard(reverseBoard, boards[currentMove]);
11380 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11381 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11382 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11383 reverseBoard[r][f] = piece;
11385 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11386 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11387 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11388 || (boards[currentMove][CASTLING][2] == NoRights ||
11389 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11390 && (boards[currentMove][CASTLING][5] == NoRights ||
11391 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11394 CopyBoard(flipBoard, soughtBoard);
11395 CopyBoard(rotateBoard, reverseBoard);
11396 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11397 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11398 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11401 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11402 if(appData.searchMode >= 5) {
11403 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11404 MakePieceList(soughtBoard, minSought);
11405 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11407 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11408 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11411 GameInfo dummyInfo;
11413 int GameContainsPosition(FILE *f, ListGame *lg)
11415 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11416 int fromX, fromY, toX, toY;
11418 static int initDone=FALSE;
11420 // weed out games based on numerical tag comparison
11421 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11422 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11423 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11424 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11426 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11429 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11430 else CopyBoard(boards[scratch], initialPosition); // default start position
11433 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11434 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11437 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11438 fseek(f, lg->offset, 0);
11441 yyboardindex = scratch;
11442 quickFlag = plyNr+1;
11447 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11453 if(plyNr) return -1; // after we have seen moves, this is for new game
11456 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11457 case ImpossibleMove:
11458 case WhiteWins: // game ends here with these four
11461 case GameUnfinished:
11465 if(appData.testLegality) return -1;
11466 case WhiteCapturesEnPassant:
11467 case BlackCapturesEnPassant:
11468 case WhitePromotion:
11469 case BlackPromotion:
11470 case WhiteNonPromotion:
11471 case BlackNonPromotion:
11473 case WhiteKingSideCastle:
11474 case WhiteQueenSideCastle:
11475 case BlackKingSideCastle:
11476 case BlackQueenSideCastle:
11477 case WhiteKingSideCastleWild:
11478 case WhiteQueenSideCastleWild:
11479 case BlackKingSideCastleWild:
11480 case BlackQueenSideCastleWild:
11481 case WhiteHSideCastleFR:
11482 case WhiteASideCastleFR:
11483 case BlackHSideCastleFR:
11484 case BlackASideCastleFR:
11485 fromX = currentMoveString[0] - AAA;
11486 fromY = currentMoveString[1] - ONE;
11487 toX = currentMoveString[2] - AAA;
11488 toY = currentMoveString[3] - ONE;
11489 promoChar = currentMoveString[4];
11493 fromX = next == WhiteDrop ?
11494 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11495 (int) CharToPiece(ToLower(currentMoveString[0]));
11497 toX = currentMoveString[2] - AAA;
11498 toY = currentMoveString[3] - ONE;
11502 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11504 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11505 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11506 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11507 if(appData.findMirror) {
11508 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11509 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11514 /* Load the nth game from open file f */
11516 LoadGame(f, gameNumber, title, useList)
11524 int gn = gameNumber;
11525 ListGame *lg = NULL;
11526 int numPGNTags = 0;
11528 GameMode oldGameMode;
11529 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11531 if (appData.debugMode)
11532 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11534 if (gameMode == Training )
11535 SetTrainingModeOff();
11537 oldGameMode = gameMode;
11538 if (gameMode != BeginningOfGame) {
11539 Reset(FALSE, TRUE);
11543 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11544 fclose(lastLoadGameFP);
11548 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11551 fseek(f, lg->offset, 0);
11552 GameListHighlight(gameNumber);
11553 pos = lg->position;
11557 DisplayError(_("Game number out of range"), 0);
11562 if (fseek(f, 0, 0) == -1) {
11563 if (f == lastLoadGameFP ?
11564 gameNumber == lastLoadGameNumber + 1 :
11568 DisplayError(_("Can't seek on game file"), 0);
11573 lastLoadGameFP = f;
11574 lastLoadGameNumber = gameNumber;
11575 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11576 lastLoadGameUseList = useList;
11580 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11581 snprintf(buf, sizeof(buf), "%s vs. %s", lg->gameInfo.white,
11582 lg->gameInfo.black);
11584 } else if (*title != NULLCHAR) {
11585 if (gameNumber > 1) {
11586 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11589 DisplayTitle(title);
11593 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11594 gameMode = PlayFromGameFile;
11598 currentMove = forwardMostMove = backwardMostMove = 0;
11599 CopyBoard(boards[0], initialPosition);
11603 * Skip the first gn-1 games in the file.
11604 * Also skip over anything that precedes an identifiable
11605 * start of game marker, to avoid being confused by
11606 * garbage at the start of the file. Currently
11607 * recognized start of game markers are the move number "1",
11608 * the pattern "gnuchess .* game", the pattern
11609 * "^[#;%] [^ ]* game file", and a PGN tag block.
11610 * A game that starts with one of the latter two patterns
11611 * will also have a move number 1, possibly
11612 * following a position diagram.
11613 * 5-4-02: Let's try being more lenient and allowing a game to
11614 * start with an unnumbered move. Does that break anything?
11616 cm = lastLoadGameStart = EndOfFile;
11618 yyboardindex = forwardMostMove;
11619 cm = (ChessMove) Myylex();
11622 if (cmailMsgLoaded) {
11623 nCmailGames = CMAIL_MAX_GAMES - gn;
11626 DisplayError(_("Game not found in file"), 0);
11633 lastLoadGameStart = cm;
11636 case MoveNumberOne:
11637 switch (lastLoadGameStart) {
11642 case MoveNumberOne:
11644 gn--; /* count this game */
11645 lastLoadGameStart = cm;
11654 switch (lastLoadGameStart) {
11657 case MoveNumberOne:
11659 gn--; /* count this game */
11660 lastLoadGameStart = cm;
11663 lastLoadGameStart = cm; /* game counted already */
11671 yyboardindex = forwardMostMove;
11672 cm = (ChessMove) Myylex();
11673 } while (cm == PGNTag || cm == Comment);
11680 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11681 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11682 != CMAIL_OLD_RESULT) {
11684 cmailResult[ CMAIL_MAX_GAMES
11685 - gn - 1] = CMAIL_OLD_RESULT;
11691 /* Only a NormalMove can be at the start of a game
11692 * without a position diagram. */
11693 if (lastLoadGameStart == EndOfFile ) {
11695 lastLoadGameStart = MoveNumberOne;
11704 if (appData.debugMode)
11705 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11707 if (cm == XBoardGame) {
11708 /* Skip any header junk before position diagram and/or move 1 */
11710 yyboardindex = forwardMostMove;
11711 cm = (ChessMove) Myylex();
11713 if (cm == EndOfFile ||
11714 cm == GNUChessGame || cm == XBoardGame) {
11715 /* Empty game; pretend end-of-file and handle later */
11720 if (cm == MoveNumberOne || cm == PositionDiagram ||
11721 cm == PGNTag || cm == Comment)
11724 } else if (cm == GNUChessGame) {
11725 if (gameInfo.event != NULL) {
11726 free(gameInfo.event);
11728 gameInfo.event = StrSave(yy_text);
11731 startedFromSetupPosition = FALSE;
11732 while (cm == PGNTag) {
11733 if (appData.debugMode)
11734 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11735 err = ParsePGNTag(yy_text, &gameInfo);
11736 if (!err) numPGNTags++;
11738 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11739 if(gameInfo.variant != oldVariant) {
11740 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11741 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11742 InitPosition(TRUE);
11743 oldVariant = gameInfo.variant;
11744 if (appData.debugMode)
11745 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11749 if (gameInfo.fen != NULL) {
11750 Board initial_position;
11751 startedFromSetupPosition = TRUE;
11752 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11754 DisplayError(_("Bad FEN position in file"), 0);
11757 CopyBoard(boards[0], initial_position);
11758 if (blackPlaysFirst) {
11759 currentMove = forwardMostMove = backwardMostMove = 1;
11760 CopyBoard(boards[1], initial_position);
11761 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11762 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11763 timeRemaining[0][1] = whiteTimeRemaining;
11764 timeRemaining[1][1] = blackTimeRemaining;
11765 if (commentList[0] != NULL) {
11766 commentList[1] = commentList[0];
11767 commentList[0] = NULL;
11770 currentMove = forwardMostMove = backwardMostMove = 0;
11772 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11774 initialRulePlies = FENrulePlies;
11775 for( i=0; i< nrCastlingRights; i++ )
11776 initialRights[i] = initial_position[CASTLING][i];
11778 yyboardindex = forwardMostMove;
11779 free(gameInfo.fen);
11780 gameInfo.fen = NULL;
11783 yyboardindex = forwardMostMove;
11784 cm = (ChessMove) Myylex();
11786 /* Handle comments interspersed among the tags */
11787 while (cm == Comment) {
11789 if (appData.debugMode)
11790 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11792 AppendComment(currentMove, p, FALSE);
11793 yyboardindex = forwardMostMove;
11794 cm = (ChessMove) Myylex();
11798 /* don't rely on existence of Event tag since if game was
11799 * pasted from clipboard the Event tag may not exist
11801 if (numPGNTags > 0){
11803 if (gameInfo.variant == VariantNormal) {
11804 VariantClass v = StringToVariant(gameInfo.event);
11805 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11806 if(v < VariantShogi) gameInfo.variant = v;
11809 if( appData.autoDisplayTags ) {
11810 tags = PGNTags(&gameInfo);
11811 TagsPopUp(tags, CmailMsg());
11816 /* Make something up, but don't display it now */
11821 if (cm == PositionDiagram) {
11824 Board initial_position;
11826 if (appData.debugMode)
11827 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11829 if (!startedFromSetupPosition) {
11831 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11832 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11843 initial_position[i][j++] = CharToPiece(*p);
11846 while (*p == ' ' || *p == '\t' ||
11847 *p == '\n' || *p == '\r') p++;
11849 if (strncmp(p, "black", strlen("black"))==0)
11850 blackPlaysFirst = TRUE;
11852 blackPlaysFirst = FALSE;
11853 startedFromSetupPosition = TRUE;
11855 CopyBoard(boards[0], initial_position);
11856 if (blackPlaysFirst) {
11857 currentMove = forwardMostMove = backwardMostMove = 1;
11858 CopyBoard(boards[1], initial_position);
11859 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11860 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11861 timeRemaining[0][1] = whiteTimeRemaining;
11862 timeRemaining[1][1] = blackTimeRemaining;
11863 if (commentList[0] != NULL) {
11864 commentList[1] = commentList[0];
11865 commentList[0] = NULL;
11868 currentMove = forwardMostMove = backwardMostMove = 0;
11871 yyboardindex = forwardMostMove;
11872 cm = (ChessMove) Myylex();
11875 if (first.pr == NoProc) {
11876 StartChessProgram(&first);
11878 InitChessProgram(&first, FALSE);
11879 SendToProgram("force\n", &first);
11880 if (startedFromSetupPosition) {
11881 SendBoard(&first, forwardMostMove);
11882 if (appData.debugMode) {
11883 fprintf(debugFP, "Load Game\n");
11885 DisplayBothClocks();
11888 /* [HGM] server: flag to write setup moves in broadcast file as one */
11889 loadFlag = appData.suppressLoadMoves;
11891 while (cm == Comment) {
11893 if (appData.debugMode)
11894 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11896 AppendComment(currentMove, p, FALSE);
11897 yyboardindex = forwardMostMove;
11898 cm = (ChessMove) Myylex();
11901 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11902 cm == WhiteWins || cm == BlackWins ||
11903 cm == GameIsDrawn || cm == GameUnfinished) {
11904 DisplayMessage("", _("No moves in game"));
11905 if (cmailMsgLoaded) {
11906 if (appData.debugMode)
11907 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11911 DrawPosition(FALSE, boards[currentMove]);
11912 DisplayBothClocks();
11913 gameMode = EditGame;
11920 // [HGM] PV info: routine tests if comment empty
11921 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11922 DisplayComment(currentMove - 1, commentList[currentMove]);
11924 if (!matchMode && appData.timeDelay != 0)
11925 DrawPosition(FALSE, boards[currentMove]);
11927 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11928 programStats.ok_to_send = 1;
11931 /* if the first token after the PGN tags is a move
11932 * and not move number 1, retrieve it from the parser
11934 if (cm != MoveNumberOne)
11935 LoadGameOneMove(cm);
11937 /* load the remaining moves from the file */
11938 while (LoadGameOneMove(EndOfFile)) {
11939 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11940 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11943 /* rewind to the start of the game */
11944 currentMove = backwardMostMove;
11946 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11948 if (oldGameMode == AnalyzeFile ||
11949 oldGameMode == AnalyzeMode) {
11950 AnalyzeFileEvent();
11953 if (!matchMode && pos >= 0) {
11954 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11956 if (matchMode || appData.timeDelay == 0) {
11958 } else if (appData.timeDelay > 0) {
11959 AutoPlayGameLoop();
11962 if (appData.debugMode)
11963 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11965 loadFlag = 0; /* [HGM] true game starts */
11969 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11971 ReloadPosition(offset)
11974 int positionNumber = lastLoadPositionNumber + offset;
11975 if (lastLoadPositionFP == NULL) {
11976 DisplayError(_("No position has been loaded yet"), 0);
11979 if (positionNumber <= 0) {
11980 DisplayError(_("Can't back up any further"), 0);
11983 return LoadPosition(lastLoadPositionFP, positionNumber,
11984 lastLoadPositionTitle);
11987 /* Load the nth position from the given file */
11989 LoadPositionFromFile(filename, n, title)
11997 if (strcmp(filename, "-") == 0) {
11998 return LoadPosition(stdin, n, "stdin");
12000 f = fopen(filename, "rb");
12002 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12003 DisplayError(buf, errno);
12006 return LoadPosition(f, n, title);
12011 /* Load the nth position from the given open file, and close it */
12013 LoadPosition(f, positionNumber, title)
12015 int positionNumber;
12018 char *p, line[MSG_SIZ];
12019 Board initial_position;
12020 int i, j, fenMode, pn;
12022 if (gameMode == Training )
12023 SetTrainingModeOff();
12025 if (gameMode != BeginningOfGame) {
12026 Reset(FALSE, TRUE);
12028 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12029 fclose(lastLoadPositionFP);
12031 if (positionNumber == 0) positionNumber = 1;
12032 lastLoadPositionFP = f;
12033 lastLoadPositionNumber = positionNumber;
12034 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12035 if (first.pr == NoProc && !appData.noChessProgram) {
12036 StartChessProgram(&first);
12037 InitChessProgram(&first, FALSE);
12039 pn = positionNumber;
12040 if (positionNumber < 0) {
12041 /* Negative position number means to seek to that byte offset */
12042 if (fseek(f, -positionNumber, 0) == -1) {
12043 DisplayError(_("Can't seek on position file"), 0);
12048 if (fseek(f, 0, 0) == -1) {
12049 if (f == lastLoadPositionFP ?
12050 positionNumber == lastLoadPositionNumber + 1 :
12051 positionNumber == 1) {
12054 DisplayError(_("Can't seek on position file"), 0);
12059 /* See if this file is FEN or old-style xboard */
12060 if (fgets(line, MSG_SIZ, f) == NULL) {
12061 DisplayError(_("Position not found in file"), 0);
12064 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12065 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12068 if (fenMode || line[0] == '#') pn--;
12070 /* skip positions before number pn */
12071 if (fgets(line, MSG_SIZ, f) == NULL) {
12073 DisplayError(_("Position not found in file"), 0);
12076 if (fenMode || line[0] == '#') pn--;
12081 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12082 DisplayError(_("Bad FEN position in file"), 0);
12086 (void) fgets(line, MSG_SIZ, f);
12087 (void) fgets(line, MSG_SIZ, f);
12089 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12090 (void) fgets(line, MSG_SIZ, f);
12091 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12094 initial_position[i][j++] = CharToPiece(*p);
12098 blackPlaysFirst = FALSE;
12100 (void) fgets(line, MSG_SIZ, f);
12101 if (strncmp(line, "black", strlen("black"))==0)
12102 blackPlaysFirst = TRUE;
12105 startedFromSetupPosition = TRUE;
12107 CopyBoard(boards[0], initial_position);
12108 if (blackPlaysFirst) {
12109 currentMove = forwardMostMove = backwardMostMove = 1;
12110 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12111 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12112 CopyBoard(boards[1], initial_position);
12113 DisplayMessage("", _("Black to play"));
12115 currentMove = forwardMostMove = backwardMostMove = 0;
12116 DisplayMessage("", _("White to play"));
12118 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12119 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12120 SendToProgram("force\n", &first);
12121 SendBoard(&first, forwardMostMove);
12123 if (appData.debugMode) {
12125 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12126 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12127 fprintf(debugFP, "Load Position\n");
12130 if (positionNumber > 1) {
12131 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12132 DisplayTitle(line);
12134 DisplayTitle(title);
12136 gameMode = EditGame;
12139 timeRemaining[0][1] = whiteTimeRemaining;
12140 timeRemaining[1][1] = blackTimeRemaining;
12141 DrawPosition(FALSE, boards[currentMove]);
12148 CopyPlayerNameIntoFileName(dest, src)
12151 while (*src != NULLCHAR && *src != ',') {
12156 *(*dest)++ = *src++;
12161 char *DefaultFileName(ext)
12164 static char def[MSG_SIZ];
12167 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12169 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12171 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12173 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12180 /* Save the current game to the given file */
12182 SaveGameToFile(filename, append)
12188 int result, i, t,tot=0;
12190 if (strcmp(filename, "-") == 0) {
12191 return SaveGame(stdout, 0, NULL);
12193 for(i=0; i<10; i++) { // upto 10 tries
12194 f = fopen(filename, append ? "a" : "w");
12195 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12196 if(f || errno != 13) break;
12197 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12201 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12202 DisplayError(buf, errno);
12205 safeStrCpy(buf, lastMsg, MSG_SIZ);
12206 DisplayMessage(_("Waiting for access to save file"), "");
12207 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12208 DisplayMessage(_("Saving game"), "");
12209 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError("Bad Seek", errno); // better safe than sorry...
12210 result = SaveGame(f, 0, NULL);
12211 DisplayMessage(buf, "");
12221 static char buf[MSG_SIZ];
12224 p = strchr(str, ' ');
12225 if (p == NULL) return str;
12226 strncpy(buf, str, p - str);
12227 buf[p - str] = NULLCHAR;
12231 #define PGN_MAX_LINE 75
12233 #define PGN_SIDE_WHITE 0
12234 #define PGN_SIDE_BLACK 1
12237 static int FindFirstMoveOutOfBook( int side )
12241 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12242 int index = backwardMostMove;
12243 int has_book_hit = 0;
12245 if( (index % 2) != side ) {
12249 while( index < forwardMostMove ) {
12250 /* Check to see if engine is in book */
12251 int depth = pvInfoList[index].depth;
12252 int score = pvInfoList[index].score;
12258 else if( score == 0 && depth == 63 ) {
12259 in_book = 1; /* Zappa */
12261 else if( score == 2 && depth == 99 ) {
12262 in_book = 1; /* Abrok */
12265 has_book_hit += in_book;
12281 void GetOutOfBookInfo( char * buf )
12285 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12287 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12288 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12292 if( oob[0] >= 0 || oob[1] >= 0 ) {
12293 for( i=0; i<2; i++ ) {
12297 if( i > 0 && oob[0] >= 0 ) {
12298 strcat( buf, " " );
12301 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12302 sprintf( buf+strlen(buf), "%s%.2f",
12303 pvInfoList[idx].score >= 0 ? "+" : "",
12304 pvInfoList[idx].score / 100.0 );
12310 /* Save game in PGN style and close the file */
12315 int i, offset, linelen, newblock;
12319 int movelen, numlen, blank;
12320 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12322 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12324 tm = time((time_t *) NULL);
12326 PrintPGNTags(f, &gameInfo);
12328 if (backwardMostMove > 0 || startedFromSetupPosition) {
12329 char *fen = PositionToFEN(backwardMostMove, NULL);
12330 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12331 fprintf(f, "\n{--------------\n");
12332 PrintPosition(f, backwardMostMove);
12333 fprintf(f, "--------------}\n");
12337 /* [AS] Out of book annotation */
12338 if( appData.saveOutOfBookInfo ) {
12341 GetOutOfBookInfo( buf );
12343 if( buf[0] != '\0' ) {
12344 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12351 i = backwardMostMove;
12355 while (i < forwardMostMove) {
12356 /* Print comments preceding this move */
12357 if (commentList[i] != NULL) {
12358 if (linelen > 0) fprintf(f, "\n");
12359 fprintf(f, "%s", commentList[i]);
12364 /* Format move number */
12366 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12369 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12371 numtext[0] = NULLCHAR;
12373 numlen = strlen(numtext);
12376 /* Print move number */
12377 blank = linelen > 0 && numlen > 0;
12378 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12387 fprintf(f, "%s", numtext);
12391 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12392 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12395 blank = linelen > 0 && movelen > 0;
12396 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12405 fprintf(f, "%s", move_buffer);
12406 linelen += movelen;
12408 /* [AS] Add PV info if present */
12409 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12410 /* [HGM] add time */
12411 char buf[MSG_SIZ]; int seconds;
12413 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12419 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12422 seconds = (seconds + 4)/10; // round to full seconds
12424 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12426 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12429 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12430 pvInfoList[i].score >= 0 ? "+" : "",
12431 pvInfoList[i].score / 100.0,
12432 pvInfoList[i].depth,
12435 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12437 /* Print score/depth */
12438 blank = linelen > 0 && movelen > 0;
12439 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12448 fprintf(f, "%s", move_buffer);
12449 linelen += movelen;
12455 /* Start a new line */
12456 if (linelen > 0) fprintf(f, "\n");
12458 /* Print comments after last move */
12459 if (commentList[i] != NULL) {
12460 fprintf(f, "%s\n", commentList[i]);
12464 if (gameInfo.resultDetails != NULL &&
12465 gameInfo.resultDetails[0] != NULLCHAR) {
12466 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12467 PGNResult(gameInfo.result));
12469 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12473 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12477 /* Save game in old style and close the file */
12479 SaveGameOldStyle(f)
12485 tm = time((time_t *) NULL);
12487 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12490 if (backwardMostMove > 0 || startedFromSetupPosition) {
12491 fprintf(f, "\n[--------------\n");
12492 PrintPosition(f, backwardMostMove);
12493 fprintf(f, "--------------]\n");
12498 i = backwardMostMove;
12499 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12501 while (i < forwardMostMove) {
12502 if (commentList[i] != NULL) {
12503 fprintf(f, "[%s]\n", commentList[i]);
12506 if ((i % 2) == 1) {
12507 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12510 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12512 if (commentList[i] != NULL) {
12516 if (i >= forwardMostMove) {
12520 fprintf(f, "%s\n", parseList[i]);
12525 if (commentList[i] != NULL) {
12526 fprintf(f, "[%s]\n", commentList[i]);
12529 /* This isn't really the old style, but it's close enough */
12530 if (gameInfo.resultDetails != NULL &&
12531 gameInfo.resultDetails[0] != NULLCHAR) {
12532 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12533 gameInfo.resultDetails);
12535 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12542 /* Save the current game to open file f and close the file */
12544 SaveGame(f, dummy, dummy2)
12549 if (gameMode == EditPosition) EditPositionDone(TRUE);
12550 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12551 if (appData.oldSaveStyle)
12552 return SaveGameOldStyle(f);
12554 return SaveGamePGN(f);
12557 /* Save the current position to the given file */
12559 SavePositionToFile(filename)
12565 if (strcmp(filename, "-") == 0) {
12566 return SavePosition(stdout, 0, NULL);
12568 f = fopen(filename, "a");
12570 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12571 DisplayError(buf, errno);
12574 safeStrCpy(buf, lastMsg, MSG_SIZ);
12575 DisplayMessage(_("Waiting for access to save file"), "");
12576 flock(fileno(f), LOCK_EX); // [HGM] lock
12577 DisplayMessage(_("Saving position"), "");
12578 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12579 SavePosition(f, 0, NULL);
12580 DisplayMessage(buf, "");
12586 /* Save the current position to the given open file and close the file */
12588 SavePosition(f, dummy, dummy2)
12596 if (gameMode == EditPosition) EditPositionDone(TRUE);
12597 if (appData.oldSaveStyle) {
12598 tm = time((time_t *) NULL);
12600 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12602 fprintf(f, "[--------------\n");
12603 PrintPosition(f, currentMove);
12604 fprintf(f, "--------------]\n");
12606 fen = PositionToFEN(currentMove, NULL);
12607 fprintf(f, "%s\n", fen);
12615 ReloadCmailMsgEvent(unregister)
12619 static char *inFilename = NULL;
12620 static char *outFilename;
12622 struct stat inbuf, outbuf;
12625 /* Any registered moves are unregistered if unregister is set, */
12626 /* i.e. invoked by the signal handler */
12628 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12629 cmailMoveRegistered[i] = FALSE;
12630 if (cmailCommentList[i] != NULL) {
12631 free(cmailCommentList[i]);
12632 cmailCommentList[i] = NULL;
12635 nCmailMovesRegistered = 0;
12638 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12639 cmailResult[i] = CMAIL_NOT_RESULT;
12643 if (inFilename == NULL) {
12644 /* Because the filenames are static they only get malloced once */
12645 /* and they never get freed */
12646 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12647 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12649 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12650 sprintf(outFilename, "%s.out", appData.cmailGameName);
12653 status = stat(outFilename, &outbuf);
12655 cmailMailedMove = FALSE;
12657 status = stat(inFilename, &inbuf);
12658 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12661 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12662 counts the games, notes how each one terminated, etc.
12664 It would be nice to remove this kludge and instead gather all
12665 the information while building the game list. (And to keep it
12666 in the game list nodes instead of having a bunch of fixed-size
12667 parallel arrays.) Note this will require getting each game's
12668 termination from the PGN tags, as the game list builder does
12669 not process the game moves. --mann
12671 cmailMsgLoaded = TRUE;
12672 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12674 /* Load first game in the file or popup game menu */
12675 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12677 #endif /* !WIN32 */
12685 char string[MSG_SIZ];
12687 if ( cmailMailedMove
12688 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12689 return TRUE; /* Allow free viewing */
12692 /* Unregister move to ensure that we don't leave RegisterMove */
12693 /* with the move registered when the conditions for registering no */
12695 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12696 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12697 nCmailMovesRegistered --;
12699 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12701 free(cmailCommentList[lastLoadGameNumber - 1]);
12702 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12706 if (cmailOldMove == -1) {
12707 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12711 if (currentMove > cmailOldMove + 1) {
12712 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12716 if (currentMove < cmailOldMove) {
12717 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12721 if (forwardMostMove > currentMove) {
12722 /* Silently truncate extra moves */
12726 if ( (currentMove == cmailOldMove + 1)
12727 || ( (currentMove == cmailOldMove)
12728 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12729 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12730 if (gameInfo.result != GameUnfinished) {
12731 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12734 if (commentList[currentMove] != NULL) {
12735 cmailCommentList[lastLoadGameNumber - 1]
12736 = StrSave(commentList[currentMove]);
12738 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12740 if (appData.debugMode)
12741 fprintf(debugFP, "Saving %s for game %d\n",
12742 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12744 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12746 f = fopen(string, "w");
12747 if (appData.oldSaveStyle) {
12748 SaveGameOldStyle(f); /* also closes the file */
12750 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12751 f = fopen(string, "w");
12752 SavePosition(f, 0, NULL); /* also closes the file */
12754 fprintf(f, "{--------------\n");
12755 PrintPosition(f, currentMove);
12756 fprintf(f, "--------------}\n\n");
12758 SaveGame(f, 0, NULL); /* also closes the file*/
12761 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12762 nCmailMovesRegistered ++;
12763 } else if (nCmailGames == 1) {
12764 DisplayError(_("You have not made a move yet"), 0);
12775 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12776 FILE *commandOutput;
12777 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12778 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12784 if (! cmailMsgLoaded) {
12785 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12789 if (nCmailGames == nCmailResults) {
12790 DisplayError(_("No unfinished games"), 0);
12794 #if CMAIL_PROHIBIT_REMAIL
12795 if (cmailMailedMove) {
12796 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);
12797 DisplayError(msg, 0);
12802 if (! (cmailMailedMove || RegisterMove())) return;
12804 if ( cmailMailedMove
12805 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12806 snprintf(string, MSG_SIZ, partCommandString,
12807 appData.debugMode ? " -v" : "", appData.cmailGameName);
12808 commandOutput = popen(string, "r");
12810 if (commandOutput == NULL) {
12811 DisplayError(_("Failed to invoke cmail"), 0);
12813 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12814 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12816 if (nBuffers > 1) {
12817 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12818 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12819 nBytes = MSG_SIZ - 1;
12821 (void) memcpy(msg, buffer, nBytes);
12823 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12825 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12826 cmailMailedMove = TRUE; /* Prevent >1 moves */
12829 for (i = 0; i < nCmailGames; i ++) {
12830 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12835 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12837 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12839 appData.cmailGameName,
12841 LoadGameFromFile(buffer, 1, buffer, FALSE);
12842 cmailMsgLoaded = FALSE;
12846 DisplayInformation(msg);
12847 pclose(commandOutput);
12850 if ((*cmailMsg) != '\0') {
12851 DisplayInformation(cmailMsg);
12856 #endif /* !WIN32 */
12865 int prependComma = 0;
12867 char string[MSG_SIZ]; /* Space for game-list */
12870 if (!cmailMsgLoaded) return "";
12872 if (cmailMailedMove) {
12873 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12875 /* Create a list of games left */
12876 snprintf(string, MSG_SIZ, "[");
12877 for (i = 0; i < nCmailGames; i ++) {
12878 if (! ( cmailMoveRegistered[i]
12879 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12880 if (prependComma) {
12881 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12883 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12887 strcat(string, number);
12890 strcat(string, "]");
12892 if (nCmailMovesRegistered + nCmailResults == 0) {
12893 switch (nCmailGames) {
12895 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12899 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12903 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12908 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12910 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12915 if (nCmailResults == nCmailGames) {
12916 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12918 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12923 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12935 if (gameMode == Training)
12936 SetTrainingModeOff();
12939 cmailMsgLoaded = FALSE;
12940 if (appData.icsActive) {
12941 SendToICS(ics_prefix);
12942 SendToICS("refresh\n");
12952 /* Give up on clean exit */
12956 /* Keep trying for clean exit */
12960 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12962 if (telnetISR != NULL) {
12963 RemoveInputSource(telnetISR);
12965 if (icsPR != NoProc) {
12966 DestroyChildProcess(icsPR, TRUE);
12969 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12970 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12972 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12973 /* make sure this other one finishes before killing it! */
12974 if(endingGame) { int count = 0;
12975 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12976 while(endingGame && count++ < 10) DoSleep(1);
12977 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12980 /* Kill off chess programs */
12981 if (first.pr != NoProc) {
12984 DoSleep( appData.delayBeforeQuit );
12985 SendToProgram("quit\n", &first);
12986 DoSleep( appData.delayAfterQuit );
12987 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12989 if (second.pr != NoProc) {
12990 DoSleep( appData.delayBeforeQuit );
12991 SendToProgram("quit\n", &second);
12992 DoSleep( appData.delayAfterQuit );
12993 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12995 if (first.isr != NULL) {
12996 RemoveInputSource(first.isr);
12998 if (second.isr != NULL) {
12999 RemoveInputSource(second.isr);
13002 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13003 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13005 ShutDownFrontEnd();
13012 if (appData.debugMode)
13013 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13017 if (gameMode == MachinePlaysWhite ||
13018 gameMode == MachinePlaysBlack) {
13021 DisplayBothClocks();
13023 if (gameMode == PlayFromGameFile) {
13024 if (appData.timeDelay >= 0)
13025 AutoPlayGameLoop();
13026 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13027 Reset(FALSE, TRUE);
13028 SendToICS(ics_prefix);
13029 SendToICS("refresh\n");
13030 } else if (currentMove < forwardMostMove) {
13031 ForwardInner(forwardMostMove);
13033 pauseExamInvalid = FALSE;
13035 switch (gameMode) {
13039 pauseExamForwardMostMove = forwardMostMove;
13040 pauseExamInvalid = FALSE;
13043 case IcsPlayingWhite:
13044 case IcsPlayingBlack:
13048 case PlayFromGameFile:
13049 (void) StopLoadGameTimer();
13053 case BeginningOfGame:
13054 if (appData.icsActive) return;
13055 /* else fall through */
13056 case MachinePlaysWhite:
13057 case MachinePlaysBlack:
13058 case TwoMachinesPlay:
13059 if (forwardMostMove == 0)
13060 return; /* don't pause if no one has moved */
13061 if ((gameMode == MachinePlaysWhite &&
13062 !WhiteOnMove(forwardMostMove)) ||
13063 (gameMode == MachinePlaysBlack &&
13064 WhiteOnMove(forwardMostMove))) {
13077 char title[MSG_SIZ];
13079 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13080 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13082 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13083 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13084 parseList[currentMove - 1]);
13087 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13094 char *tags = PGNTags(&gameInfo);
13096 EditTagsPopUp(tags, NULL);
13103 if (appData.noChessProgram || gameMode == AnalyzeMode)
13106 if (gameMode != AnalyzeFile) {
13107 if (!appData.icsEngineAnalyze) {
13109 if (gameMode != EditGame) return;
13111 ResurrectChessProgram();
13112 SendToProgram("analyze\n", &first);
13113 first.analyzing = TRUE;
13114 /*first.maybeThinking = TRUE;*/
13115 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13116 EngineOutputPopUp();
13118 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13123 StartAnalysisClock();
13124 GetTimeMark(&lastNodeCountTime);
13131 if (appData.noChessProgram || gameMode == AnalyzeFile)
13134 if (gameMode != AnalyzeMode) {
13136 if (gameMode != EditGame) return;
13137 ResurrectChessProgram();
13138 SendToProgram("analyze\n", &first);
13139 first.analyzing = TRUE;
13140 /*first.maybeThinking = TRUE;*/
13141 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13142 EngineOutputPopUp();
13144 gameMode = AnalyzeFile;
13149 StartAnalysisClock();
13150 GetTimeMark(&lastNodeCountTime);
13152 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13156 MachineWhiteEvent()
13159 char *bookHit = NULL;
13161 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13165 if (gameMode == PlayFromGameFile ||
13166 gameMode == TwoMachinesPlay ||
13167 gameMode == Training ||
13168 gameMode == AnalyzeMode ||
13169 gameMode == EndOfGame)
13172 if (gameMode == EditPosition)
13173 EditPositionDone(TRUE);
13175 if (!WhiteOnMove(currentMove)) {
13176 DisplayError(_("It is not White's turn"), 0);
13180 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13183 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13184 gameMode == AnalyzeFile)
13187 ResurrectChessProgram(); /* in case it isn't running */
13188 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13189 gameMode = MachinePlaysWhite;
13192 gameMode = MachinePlaysWhite;
13196 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13198 if (first.sendName) {
13199 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13200 SendToProgram(buf, &first);
13202 if (first.sendTime) {
13203 if (first.useColors) {
13204 SendToProgram("black\n", &first); /*gnu kludge*/
13206 SendTimeRemaining(&first, TRUE);
13208 if (first.useColors) {
13209 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13211 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13212 SetMachineThinkingEnables();
13213 first.maybeThinking = TRUE;
13217 if (appData.autoFlipView && !flipView) {
13218 flipView = !flipView;
13219 DrawPosition(FALSE, NULL);
13220 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13223 if(bookHit) { // [HGM] book: simulate book reply
13224 static char bookMove[MSG_SIZ]; // a bit generous?
13226 programStats.nodes = programStats.depth = programStats.time =
13227 programStats.score = programStats.got_only_move = 0;
13228 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13230 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13231 strcat(bookMove, bookHit);
13232 HandleMachineMove(bookMove, &first);
13237 MachineBlackEvent()
13240 char *bookHit = NULL;
13242 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13246 if (gameMode == PlayFromGameFile ||
13247 gameMode == TwoMachinesPlay ||
13248 gameMode == Training ||
13249 gameMode == AnalyzeMode ||
13250 gameMode == EndOfGame)
13253 if (gameMode == EditPosition)
13254 EditPositionDone(TRUE);
13256 if (WhiteOnMove(currentMove)) {
13257 DisplayError(_("It is not Black's turn"), 0);
13261 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13264 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13265 gameMode == AnalyzeFile)
13268 ResurrectChessProgram(); /* in case it isn't running */
13269 gameMode = MachinePlaysBlack;
13273 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13275 if (first.sendName) {
13276 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13277 SendToProgram(buf, &first);
13279 if (first.sendTime) {
13280 if (first.useColors) {
13281 SendToProgram("white\n", &first); /*gnu kludge*/
13283 SendTimeRemaining(&first, FALSE);
13285 if (first.useColors) {
13286 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13288 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13289 SetMachineThinkingEnables();
13290 first.maybeThinking = TRUE;
13293 if (appData.autoFlipView && flipView) {
13294 flipView = !flipView;
13295 DrawPosition(FALSE, NULL);
13296 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13298 if(bookHit) { // [HGM] book: simulate book reply
13299 static char bookMove[MSG_SIZ]; // a bit generous?
13301 programStats.nodes = programStats.depth = programStats.time =
13302 programStats.score = programStats.got_only_move = 0;
13303 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13305 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13306 strcat(bookMove, bookHit);
13307 HandleMachineMove(bookMove, &first);
13313 DisplayTwoMachinesTitle()
13316 if (appData.matchGames > 0) {
13317 if(appData.tourneyFile[0]) {
13318 snprintf(buf, MSG_SIZ, "%s vs. %s (%d/%d%s)",
13319 gameInfo.white, gameInfo.black,
13320 nextGame+1, appData.matchGames+1,
13321 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13323 if (first.twoMachinesColor[0] == 'w') {
13324 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13325 gameInfo.white, gameInfo.black,
13326 first.matchWins, second.matchWins,
13327 matchGame - 1 - (first.matchWins + second.matchWins));
13329 snprintf(buf, MSG_SIZ, "%s vs. %s (%d-%d-%d)",
13330 gameInfo.white, gameInfo.black,
13331 second.matchWins, first.matchWins,
13332 matchGame - 1 - (first.matchWins + second.matchWins));
13335 snprintf(buf, MSG_SIZ, "%s vs. %s", gameInfo.white, gameInfo.black);
13341 SettingsMenuIfReady()
13343 if (second.lastPing != second.lastPong) {
13344 DisplayMessage("", _("Waiting for second chess program"));
13345 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13349 DisplayMessage("", "");
13350 SettingsPopUp(&second);
13354 WaitForEngine(ChessProgramState *cps, DelayedEventCallback retry)
13357 if (cps->pr == NoProc) {
13358 StartChessProgram(cps);
13359 if (cps->protocolVersion == 1) {
13362 /* kludge: allow timeout for initial "feature" command */
13364 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13365 DisplayMessage("", buf);
13366 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13374 TwoMachinesEvent P((void))
13378 ChessProgramState *onmove;
13379 char *bookHit = NULL;
13380 static int stalling = 0;
13384 if (appData.noChessProgram) return;
13386 switch (gameMode) {
13387 case TwoMachinesPlay:
13389 case MachinePlaysWhite:
13390 case MachinePlaysBlack:
13391 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13392 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13396 case BeginningOfGame:
13397 case PlayFromGameFile:
13400 if (gameMode != EditGame) return;
13403 EditPositionDone(TRUE);
13414 // forwardMostMove = currentMove;
13415 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13417 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13419 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13420 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13421 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13425 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13426 SendToProgram("force\n", &second);
13428 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13431 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13432 if(appData.matchPause>10000 || appData.matchPause<10)
13433 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13434 wait = SubtractTimeMarks(&now, &pauseStart);
13435 if(wait < appData.matchPause) {
13436 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13440 DisplayMessage("", "");
13441 if (startedFromSetupPosition) {
13442 SendBoard(&second, backwardMostMove);
13443 if (appData.debugMode) {
13444 fprintf(debugFP, "Two Machines\n");
13447 for (i = backwardMostMove; i < forwardMostMove; i++) {
13448 SendMoveToProgram(i, &second);
13451 gameMode = TwoMachinesPlay;
13453 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13455 DisplayTwoMachinesTitle();
13457 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13462 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13463 SendToProgram(first.computerString, &first);
13464 if (first.sendName) {
13465 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13466 SendToProgram(buf, &first);
13468 SendToProgram(second.computerString, &second);
13469 if (second.sendName) {
13470 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13471 SendToProgram(buf, &second);
13475 if (!first.sendTime || !second.sendTime) {
13476 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13477 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13479 if (onmove->sendTime) {
13480 if (onmove->useColors) {
13481 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13483 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13485 if (onmove->useColors) {
13486 SendToProgram(onmove->twoMachinesColor, onmove);
13488 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13489 // SendToProgram("go\n", onmove);
13490 onmove->maybeThinking = TRUE;
13491 SetMachineThinkingEnables();
13495 if(bookHit) { // [HGM] book: simulate book reply
13496 static char bookMove[MSG_SIZ]; // a bit generous?
13498 programStats.nodes = programStats.depth = programStats.time =
13499 programStats.score = programStats.got_only_move = 0;
13500 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13502 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13503 strcat(bookMove, bookHit);
13504 savedMessage = bookMove; // args for deferred call
13505 savedState = onmove;
13506 ScheduleDelayedEvent(DeferredBookMove, 1);
13513 if (gameMode == Training) {
13514 SetTrainingModeOff();
13515 gameMode = PlayFromGameFile;
13516 DisplayMessage("", _("Training mode off"));
13518 gameMode = Training;
13519 animateTraining = appData.animate;
13521 /* make sure we are not already at the end of the game */
13522 if (currentMove < forwardMostMove) {
13523 SetTrainingModeOn();
13524 DisplayMessage("", _("Training mode on"));
13526 gameMode = PlayFromGameFile;
13527 DisplayError(_("Already at end of game"), 0);
13536 if (!appData.icsActive) return;
13537 switch (gameMode) {
13538 case IcsPlayingWhite:
13539 case IcsPlayingBlack:
13542 case BeginningOfGame:
13550 EditPositionDone(TRUE);
13563 gameMode = IcsIdle;
13574 switch (gameMode) {
13576 SetTrainingModeOff();
13578 case MachinePlaysWhite:
13579 case MachinePlaysBlack:
13580 case BeginningOfGame:
13581 SendToProgram("force\n", &first);
13582 SetUserThinkingEnables();
13584 case PlayFromGameFile:
13585 (void) StopLoadGameTimer();
13586 if (gameFileFP != NULL) {
13591 EditPositionDone(TRUE);
13596 SendToProgram("force\n", &first);
13598 case TwoMachinesPlay:
13599 GameEnds(EndOfFile, NULL, GE_PLAYER);
13600 ResurrectChessProgram();
13601 SetUserThinkingEnables();
13604 ResurrectChessProgram();
13606 case IcsPlayingBlack:
13607 case IcsPlayingWhite:
13608 DisplayError(_("Warning: You are still playing a game"), 0);
13611 DisplayError(_("Warning: You are still observing a game"), 0);
13614 DisplayError(_("Warning: You are still examining a game"), 0);
13625 first.offeredDraw = second.offeredDraw = 0;
13627 if (gameMode == PlayFromGameFile) {
13628 whiteTimeRemaining = timeRemaining[0][currentMove];
13629 blackTimeRemaining = timeRemaining[1][currentMove];
13633 if (gameMode == MachinePlaysWhite ||
13634 gameMode == MachinePlaysBlack ||
13635 gameMode == TwoMachinesPlay ||
13636 gameMode == EndOfGame) {
13637 i = forwardMostMove;
13638 while (i > currentMove) {
13639 SendToProgram("undo\n", &first);
13642 if(!adjustedClock) {
13643 whiteTimeRemaining = timeRemaining[0][currentMove];
13644 blackTimeRemaining = timeRemaining[1][currentMove];
13645 DisplayBothClocks();
13647 if (whiteFlag || blackFlag) {
13648 whiteFlag = blackFlag = 0;
13653 gameMode = EditGame;
13660 EditPositionEvent()
13662 if (gameMode == EditPosition) {
13668 if (gameMode != EditGame) return;
13670 gameMode = EditPosition;
13673 if (currentMove > 0)
13674 CopyBoard(boards[0], boards[currentMove]);
13676 blackPlaysFirst = !WhiteOnMove(currentMove);
13678 currentMove = forwardMostMove = backwardMostMove = 0;
13679 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13686 /* [DM] icsEngineAnalyze - possible call from other functions */
13687 if (appData.icsEngineAnalyze) {
13688 appData.icsEngineAnalyze = FALSE;
13690 DisplayMessage("",_("Close ICS engine analyze..."));
13692 if (first.analysisSupport && first.analyzing) {
13693 SendToProgram("exit\n", &first);
13694 first.analyzing = FALSE;
13696 thinkOutput[0] = NULLCHAR;
13700 EditPositionDone(Boolean fakeRights)
13702 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13704 startedFromSetupPosition = TRUE;
13705 InitChessProgram(&first, FALSE);
13706 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13707 boards[0][EP_STATUS] = EP_NONE;
13708 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13709 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13710 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13711 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13712 } else boards[0][CASTLING][2] = NoRights;
13713 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13714 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13715 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13716 } else boards[0][CASTLING][5] = NoRights;
13718 SendToProgram("force\n", &first);
13719 if (blackPlaysFirst) {
13720 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13721 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13722 currentMove = forwardMostMove = backwardMostMove = 1;
13723 CopyBoard(boards[1], boards[0]);
13725 currentMove = forwardMostMove = backwardMostMove = 0;
13727 SendBoard(&first, forwardMostMove);
13728 if (appData.debugMode) {
13729 fprintf(debugFP, "EditPosDone\n");
13732 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13733 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13734 gameMode = EditGame;
13736 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13737 ClearHighlights(); /* [AS] */
13740 /* Pause for `ms' milliseconds */
13741 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13751 } while (SubtractTimeMarks(&m2, &m1) < ms);
13754 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13756 SendMultiLineToICS(buf)
13759 char temp[MSG_SIZ+1], *p;
13766 strncpy(temp, buf, len);
13771 if (*p == '\n' || *p == '\r')
13776 strcat(temp, "\n");
13778 SendToPlayer(temp, strlen(temp));
13782 SetWhiteToPlayEvent()
13784 if (gameMode == EditPosition) {
13785 blackPlaysFirst = FALSE;
13786 DisplayBothClocks(); /* works because currentMove is 0 */
13787 } else if (gameMode == IcsExamining) {
13788 SendToICS(ics_prefix);
13789 SendToICS("tomove white\n");
13794 SetBlackToPlayEvent()
13796 if (gameMode == EditPosition) {
13797 blackPlaysFirst = TRUE;
13798 currentMove = 1; /* kludge */
13799 DisplayBothClocks();
13801 } else if (gameMode == IcsExamining) {
13802 SendToICS(ics_prefix);
13803 SendToICS("tomove black\n");
13808 EditPositionMenuEvent(selection, x, y)
13809 ChessSquare selection;
13813 ChessSquare piece = boards[0][y][x];
13815 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13817 switch (selection) {
13819 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13820 SendToICS(ics_prefix);
13821 SendToICS("bsetup clear\n");
13822 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13823 SendToICS(ics_prefix);
13824 SendToICS("clearboard\n");
13826 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13827 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13828 for (y = 0; y < BOARD_HEIGHT; y++) {
13829 if (gameMode == IcsExamining) {
13830 if (boards[currentMove][y][x] != EmptySquare) {
13831 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13836 boards[0][y][x] = p;
13841 if (gameMode == EditPosition) {
13842 DrawPosition(FALSE, boards[0]);
13847 SetWhiteToPlayEvent();
13851 SetBlackToPlayEvent();
13855 if (gameMode == IcsExamining) {
13856 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13857 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13860 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13861 if(x == BOARD_LEFT-2) {
13862 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13863 boards[0][y][1] = 0;
13865 if(x == BOARD_RGHT+1) {
13866 if(y >= gameInfo.holdingsSize) break;
13867 boards[0][y][BOARD_WIDTH-2] = 0;
13870 boards[0][y][x] = EmptySquare;
13871 DrawPosition(FALSE, boards[0]);
13876 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13877 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13878 selection = (ChessSquare) (PROMOTED piece);
13879 } else if(piece == EmptySquare) selection = WhiteSilver;
13880 else selection = (ChessSquare)((int)piece - 1);
13884 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13885 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13886 selection = (ChessSquare) (DEMOTED piece);
13887 } else if(piece == EmptySquare) selection = BlackSilver;
13888 else selection = (ChessSquare)((int)piece + 1);
13893 if(gameInfo.variant == VariantShatranj ||
13894 gameInfo.variant == VariantXiangqi ||
13895 gameInfo.variant == VariantCourier ||
13896 gameInfo.variant == VariantMakruk )
13897 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13902 if(gameInfo.variant == VariantXiangqi)
13903 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13904 if(gameInfo.variant == VariantKnightmate)
13905 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13908 if (gameMode == IcsExamining) {
13909 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13910 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13911 PieceToChar(selection), AAA + x, ONE + y);
13914 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13916 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13917 n = PieceToNumber(selection - BlackPawn);
13918 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13919 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13920 boards[0][BOARD_HEIGHT-1-n][1]++;
13922 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13923 n = PieceToNumber(selection);
13924 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13925 boards[0][n][BOARD_WIDTH-1] = selection;
13926 boards[0][n][BOARD_WIDTH-2]++;
13929 boards[0][y][x] = selection;
13930 DrawPosition(TRUE, boards[0]);
13938 DropMenuEvent(selection, x, y)
13939 ChessSquare selection;
13942 ChessMove moveType;
13944 switch (gameMode) {
13945 case IcsPlayingWhite:
13946 case MachinePlaysBlack:
13947 if (!WhiteOnMove(currentMove)) {
13948 DisplayMoveError(_("It is Black's turn"));
13951 moveType = WhiteDrop;
13953 case IcsPlayingBlack:
13954 case MachinePlaysWhite:
13955 if (WhiteOnMove(currentMove)) {
13956 DisplayMoveError(_("It is White's turn"));
13959 moveType = BlackDrop;
13962 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13968 if (moveType == BlackDrop && selection < BlackPawn) {
13969 selection = (ChessSquare) ((int) selection
13970 + (int) BlackPawn - (int) WhitePawn);
13972 if (boards[currentMove][y][x] != EmptySquare) {
13973 DisplayMoveError(_("That square is occupied"));
13977 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13983 /* Accept a pending offer of any kind from opponent */
13985 if (appData.icsActive) {
13986 SendToICS(ics_prefix);
13987 SendToICS("accept\n");
13988 } else if (cmailMsgLoaded) {
13989 if (currentMove == cmailOldMove &&
13990 commentList[cmailOldMove] != NULL &&
13991 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13992 "Black offers a draw" : "White offers a draw")) {
13994 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13995 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13997 DisplayError(_("There is no pending offer on this move"), 0);
13998 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14001 /* Not used for offers from chess program */
14008 /* Decline a pending offer of any kind from opponent */
14010 if (appData.icsActive) {
14011 SendToICS(ics_prefix);
14012 SendToICS("decline\n");
14013 } else if (cmailMsgLoaded) {
14014 if (currentMove == cmailOldMove &&
14015 commentList[cmailOldMove] != NULL &&
14016 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14017 "Black offers a draw" : "White offers a draw")) {
14019 AppendComment(cmailOldMove, "Draw declined", TRUE);
14020 DisplayComment(cmailOldMove - 1, "Draw declined");
14023 DisplayError(_("There is no pending offer on this move"), 0);
14026 /* Not used for offers from chess program */
14033 /* Issue ICS rematch command */
14034 if (appData.icsActive) {
14035 SendToICS(ics_prefix);
14036 SendToICS("rematch\n");
14043 /* Call your opponent's flag (claim a win on time) */
14044 if (appData.icsActive) {
14045 SendToICS(ics_prefix);
14046 SendToICS("flag\n");
14048 switch (gameMode) {
14051 case MachinePlaysWhite:
14054 GameEnds(GameIsDrawn, "Both players ran out of time",
14057 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14059 DisplayError(_("Your opponent is not out of time"), 0);
14062 case MachinePlaysBlack:
14065 GameEnds(GameIsDrawn, "Both players ran out of time",
14068 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14070 DisplayError(_("Your opponent is not out of time"), 0);
14078 ClockClick(int which)
14079 { // [HGM] code moved to back-end from winboard.c
14080 if(which) { // black clock
14081 if (gameMode == EditPosition || gameMode == IcsExamining) {
14082 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14083 SetBlackToPlayEvent();
14084 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14085 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14086 } else if (shiftKey) {
14087 AdjustClock(which, -1);
14088 } else if (gameMode == IcsPlayingWhite ||
14089 gameMode == MachinePlaysBlack) {
14092 } else { // white clock
14093 if (gameMode == EditPosition || gameMode == IcsExamining) {
14094 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14095 SetWhiteToPlayEvent();
14096 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14097 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14098 } else if (shiftKey) {
14099 AdjustClock(which, -1);
14100 } else if (gameMode == IcsPlayingBlack ||
14101 gameMode == MachinePlaysWhite) {
14110 /* Offer draw or accept pending draw offer from opponent */
14112 if (appData.icsActive) {
14113 /* Note: tournament rules require draw offers to be
14114 made after you make your move but before you punch
14115 your clock. Currently ICS doesn't let you do that;
14116 instead, you immediately punch your clock after making
14117 a move, but you can offer a draw at any time. */
14119 SendToICS(ics_prefix);
14120 SendToICS("draw\n");
14121 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14122 } else if (cmailMsgLoaded) {
14123 if (currentMove == cmailOldMove &&
14124 commentList[cmailOldMove] != NULL &&
14125 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14126 "Black offers a draw" : "White offers a draw")) {
14127 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14128 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14129 } else if (currentMove == cmailOldMove + 1) {
14130 char *offer = WhiteOnMove(cmailOldMove) ?
14131 "White offers a draw" : "Black offers a draw";
14132 AppendComment(currentMove, offer, TRUE);
14133 DisplayComment(currentMove - 1, offer);
14134 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14136 DisplayError(_("You must make your move before offering a draw"), 0);
14137 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14139 } else if (first.offeredDraw) {
14140 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14142 if (first.sendDrawOffers) {
14143 SendToProgram("draw\n", &first);
14144 userOfferedDraw = TRUE;
14152 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14154 if (appData.icsActive) {
14155 SendToICS(ics_prefix);
14156 SendToICS("adjourn\n");
14158 /* Currently GNU Chess doesn't offer or accept Adjourns */
14166 /* Offer Abort or accept pending Abort offer from opponent */
14168 if (appData.icsActive) {
14169 SendToICS(ics_prefix);
14170 SendToICS("abort\n");
14172 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14179 /* Resign. You can do this even if it's not your turn. */
14181 if (appData.icsActive) {
14182 SendToICS(ics_prefix);
14183 SendToICS("resign\n");
14185 switch (gameMode) {
14186 case MachinePlaysWhite:
14187 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14189 case MachinePlaysBlack:
14190 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14193 if (cmailMsgLoaded) {
14195 if (WhiteOnMove(cmailOldMove)) {
14196 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14198 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14200 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14211 StopObservingEvent()
14213 /* Stop observing current games */
14214 SendToICS(ics_prefix);
14215 SendToICS("unobserve\n");
14219 StopExaminingEvent()
14221 /* Stop observing current game */
14222 SendToICS(ics_prefix);
14223 SendToICS("unexamine\n");
14227 ForwardInner(target)
14232 if (appData.debugMode)
14233 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14234 target, currentMove, forwardMostMove);
14236 if (gameMode == EditPosition)
14239 MarkTargetSquares(1);
14241 if (gameMode == PlayFromGameFile && !pausing)
14244 if (gameMode == IcsExamining && pausing)
14245 limit = pauseExamForwardMostMove;
14247 limit = forwardMostMove;
14249 if (target > limit) target = limit;
14251 if (target > 0 && moveList[target - 1][0]) {
14252 int fromX, fromY, toX, toY;
14253 toX = moveList[target - 1][2] - AAA;
14254 toY = moveList[target - 1][3] - ONE;
14255 if (moveList[target - 1][1] == '@') {
14256 if (appData.highlightLastMove) {
14257 SetHighlights(-1, -1, toX, toY);
14260 fromX = moveList[target - 1][0] - AAA;
14261 fromY = moveList[target - 1][1] - ONE;
14262 if (target == currentMove + 1) {
14263 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14265 if (appData.highlightLastMove) {
14266 SetHighlights(fromX, fromY, toX, toY);
14270 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14271 gameMode == Training || gameMode == PlayFromGameFile ||
14272 gameMode == AnalyzeFile) {
14273 while (currentMove < target) {
14274 SendMoveToProgram(currentMove++, &first);
14277 currentMove = target;
14280 if (gameMode == EditGame || gameMode == EndOfGame) {
14281 whiteTimeRemaining = timeRemaining[0][currentMove];
14282 blackTimeRemaining = timeRemaining[1][currentMove];
14284 DisplayBothClocks();
14285 DisplayMove(currentMove - 1);
14286 DrawPosition(FALSE, boards[currentMove]);
14287 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14288 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14289 DisplayComment(currentMove - 1, commentList[currentMove]);
14297 if (gameMode == IcsExamining && !pausing) {
14298 SendToICS(ics_prefix);
14299 SendToICS("forward\n");
14301 ForwardInner(currentMove + 1);
14308 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14309 /* to optimze, we temporarily turn off analysis mode while we feed
14310 * the remaining moves to the engine. Otherwise we get analysis output
14313 if (first.analysisSupport) {
14314 SendToProgram("exit\nforce\n", &first);
14315 first.analyzing = FALSE;
14319 if (gameMode == IcsExamining && !pausing) {
14320 SendToICS(ics_prefix);
14321 SendToICS("forward 999999\n");
14323 ForwardInner(forwardMostMove);
14326 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14327 /* we have fed all the moves, so reactivate analysis mode */
14328 SendToProgram("analyze\n", &first);
14329 first.analyzing = TRUE;
14330 /*first.maybeThinking = TRUE;*/
14331 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14336 BackwardInner(target)
14339 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14341 if (appData.debugMode)
14342 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14343 target, currentMove, forwardMostMove);
14345 if (gameMode == EditPosition) return;
14346 MarkTargetSquares(1);
14347 if (currentMove <= backwardMostMove) {
14349 DrawPosition(full_redraw, boards[currentMove]);
14352 if (gameMode == PlayFromGameFile && !pausing)
14355 if (moveList[target][0]) {
14356 int fromX, fromY, toX, toY;
14357 toX = moveList[target][2] - AAA;
14358 toY = moveList[target][3] - ONE;
14359 if (moveList[target][1] == '@') {
14360 if (appData.highlightLastMove) {
14361 SetHighlights(-1, -1, toX, toY);
14364 fromX = moveList[target][0] - AAA;
14365 fromY = moveList[target][1] - ONE;
14366 if (target == currentMove - 1) {
14367 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14369 if (appData.highlightLastMove) {
14370 SetHighlights(fromX, fromY, toX, toY);
14374 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14375 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14376 while (currentMove > target) {
14377 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14378 // null move cannot be undone. Reload program with move history before it.
14380 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14381 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14383 SendBoard(&first, i);
14384 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14387 SendToProgram("undo\n", &first);
14391 currentMove = target;
14394 if (gameMode == EditGame || gameMode == EndOfGame) {
14395 whiteTimeRemaining = timeRemaining[0][currentMove];
14396 blackTimeRemaining = timeRemaining[1][currentMove];
14398 DisplayBothClocks();
14399 DisplayMove(currentMove - 1);
14400 DrawPosition(full_redraw, boards[currentMove]);
14401 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14402 // [HGM] PV info: routine tests if comment empty
14403 DisplayComment(currentMove - 1, commentList[currentMove]);
14409 if (gameMode == IcsExamining && !pausing) {
14410 SendToICS(ics_prefix);
14411 SendToICS("backward\n");
14413 BackwardInner(currentMove - 1);
14420 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14421 /* to optimize, we temporarily turn off analysis mode while we undo
14422 * all the moves. Otherwise we get analysis output after each undo.
14424 if (first.analysisSupport) {
14425 SendToProgram("exit\nforce\n", &first);
14426 first.analyzing = FALSE;
14430 if (gameMode == IcsExamining && !pausing) {
14431 SendToICS(ics_prefix);
14432 SendToICS("backward 999999\n");
14434 BackwardInner(backwardMostMove);
14437 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14438 /* we have fed all the moves, so reactivate analysis mode */
14439 SendToProgram("analyze\n", &first);
14440 first.analyzing = TRUE;
14441 /*first.maybeThinking = TRUE;*/
14442 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14449 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14450 if (to >= forwardMostMove) to = forwardMostMove;
14451 if (to <= backwardMostMove) to = backwardMostMove;
14452 if (to < currentMove) {
14460 RevertEvent(Boolean annotate)
14462 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14465 if (gameMode != IcsExamining) {
14466 DisplayError(_("You are not examining a game"), 0);
14470 DisplayError(_("You can't revert while pausing"), 0);
14473 SendToICS(ics_prefix);
14474 SendToICS("revert\n");
14480 switch (gameMode) {
14481 case MachinePlaysWhite:
14482 case MachinePlaysBlack:
14483 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14484 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14487 if (forwardMostMove < 2) return;
14488 currentMove = forwardMostMove = forwardMostMove - 2;
14489 whiteTimeRemaining = timeRemaining[0][currentMove];
14490 blackTimeRemaining = timeRemaining[1][currentMove];
14491 DisplayBothClocks();
14492 DisplayMove(currentMove - 1);
14493 ClearHighlights();/*!! could figure this out*/
14494 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14495 SendToProgram("remove\n", &first);
14496 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14499 case BeginningOfGame:
14503 case IcsPlayingWhite:
14504 case IcsPlayingBlack:
14505 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14506 SendToICS(ics_prefix);
14507 SendToICS("takeback 2\n");
14509 SendToICS(ics_prefix);
14510 SendToICS("takeback 1\n");
14519 ChessProgramState *cps;
14521 switch (gameMode) {
14522 case MachinePlaysWhite:
14523 if (!WhiteOnMove(forwardMostMove)) {
14524 DisplayError(_("It is your turn"), 0);
14529 case MachinePlaysBlack:
14530 if (WhiteOnMove(forwardMostMove)) {
14531 DisplayError(_("It is your turn"), 0);
14536 case TwoMachinesPlay:
14537 if (WhiteOnMove(forwardMostMove) ==
14538 (first.twoMachinesColor[0] == 'w')) {
14544 case BeginningOfGame:
14548 SendToProgram("?\n", cps);
14552 TruncateGameEvent()
14555 if (gameMode != EditGame) return;
14562 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14563 if (forwardMostMove > currentMove) {
14564 if (gameInfo.resultDetails != NULL) {
14565 free(gameInfo.resultDetails);
14566 gameInfo.resultDetails = NULL;
14567 gameInfo.result = GameUnfinished;
14569 forwardMostMove = currentMove;
14570 HistorySet(parseList, backwardMostMove, forwardMostMove,
14578 if (appData.noChessProgram) return;
14579 switch (gameMode) {
14580 case MachinePlaysWhite:
14581 if (WhiteOnMove(forwardMostMove)) {
14582 DisplayError(_("Wait until your turn"), 0);
14586 case BeginningOfGame:
14587 case MachinePlaysBlack:
14588 if (!WhiteOnMove(forwardMostMove)) {
14589 DisplayError(_("Wait until your turn"), 0);
14594 DisplayError(_("No hint available"), 0);
14597 SendToProgram("hint\n", &first);
14598 hintRequested = TRUE;
14604 if (appData.noChessProgram) return;
14605 switch (gameMode) {
14606 case MachinePlaysWhite:
14607 if (WhiteOnMove(forwardMostMove)) {
14608 DisplayError(_("Wait until your turn"), 0);
14612 case BeginningOfGame:
14613 case MachinePlaysBlack:
14614 if (!WhiteOnMove(forwardMostMove)) {
14615 DisplayError(_("Wait until your turn"), 0);
14620 EditPositionDone(TRUE);
14622 case TwoMachinesPlay:
14627 SendToProgram("bk\n", &first);
14628 bookOutput[0] = NULLCHAR;
14629 bookRequested = TRUE;
14635 char *tags = PGNTags(&gameInfo);
14636 TagsPopUp(tags, CmailMsg());
14640 /* end button procedures */
14643 PrintPosition(fp, move)
14649 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14650 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14651 char c = PieceToChar(boards[move][i][j]);
14652 fputc(c == 'x' ? '.' : c, fp);
14653 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14656 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14657 fprintf(fp, "white to play\n");
14659 fprintf(fp, "black to play\n");
14666 if (gameInfo.white != NULL) {
14667 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14673 /* Find last component of program's own name, using some heuristics */
14675 TidyProgramName(prog, host, buf)
14676 char *prog, *host, buf[MSG_SIZ];
14679 int local = (strcmp(host, "localhost") == 0);
14680 while (!local && (p = strchr(prog, ';')) != NULL) {
14682 while (*p == ' ') p++;
14685 if (*prog == '"' || *prog == '\'') {
14686 q = strchr(prog + 1, *prog);
14688 q = strchr(prog, ' ');
14690 if (q == NULL) q = prog + strlen(prog);
14692 while (p >= prog && *p != '/' && *p != '\\') p--;
14694 if(p == prog && *p == '"') p++;
14695 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14696 memcpy(buf, p, q - p);
14697 buf[q - p] = NULLCHAR;
14705 TimeControlTagValue()
14708 if (!appData.clockMode) {
14709 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14710 } else if (movesPerSession > 0) {
14711 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14712 } else if (timeIncrement == 0) {
14713 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14715 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14717 return StrSave(buf);
14723 /* This routine is used only for certain modes */
14724 VariantClass v = gameInfo.variant;
14725 ChessMove r = GameUnfinished;
14728 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14729 r = gameInfo.result;
14730 p = gameInfo.resultDetails;
14731 gameInfo.resultDetails = NULL;
14733 ClearGameInfo(&gameInfo);
14734 gameInfo.variant = v;
14736 switch (gameMode) {
14737 case MachinePlaysWhite:
14738 gameInfo.event = StrSave( appData.pgnEventHeader );
14739 gameInfo.site = StrSave(HostName());
14740 gameInfo.date = PGNDate();
14741 gameInfo.round = StrSave("-");
14742 gameInfo.white = StrSave(first.tidy);
14743 gameInfo.black = StrSave(UserName());
14744 gameInfo.timeControl = TimeControlTagValue();
14747 case MachinePlaysBlack:
14748 gameInfo.event = StrSave( appData.pgnEventHeader );
14749 gameInfo.site = StrSave(HostName());
14750 gameInfo.date = PGNDate();
14751 gameInfo.round = StrSave("-");
14752 gameInfo.white = StrSave(UserName());
14753 gameInfo.black = StrSave(first.tidy);
14754 gameInfo.timeControl = TimeControlTagValue();
14757 case TwoMachinesPlay:
14758 gameInfo.event = StrSave( appData.pgnEventHeader );
14759 gameInfo.site = StrSave(HostName());
14760 gameInfo.date = PGNDate();
14763 snprintf(buf, MSG_SIZ, "%d", roundNr);
14764 gameInfo.round = StrSave(buf);
14766 gameInfo.round = StrSave("-");
14768 if (first.twoMachinesColor[0] == 'w') {
14769 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14770 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14772 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14773 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14775 gameInfo.timeControl = TimeControlTagValue();
14779 gameInfo.event = StrSave("Edited game");
14780 gameInfo.site = StrSave(HostName());
14781 gameInfo.date = PGNDate();
14782 gameInfo.round = StrSave("-");
14783 gameInfo.white = StrSave("-");
14784 gameInfo.black = StrSave("-");
14785 gameInfo.result = r;
14786 gameInfo.resultDetails = p;
14790 gameInfo.event = StrSave("Edited position");
14791 gameInfo.site = StrSave(HostName());
14792 gameInfo.date = PGNDate();
14793 gameInfo.round = StrSave("-");
14794 gameInfo.white = StrSave("-");
14795 gameInfo.black = StrSave("-");
14798 case IcsPlayingWhite:
14799 case IcsPlayingBlack:
14804 case PlayFromGameFile:
14805 gameInfo.event = StrSave("Game from non-PGN file");
14806 gameInfo.site = StrSave(HostName());
14807 gameInfo.date = PGNDate();
14808 gameInfo.round = StrSave("-");
14809 gameInfo.white = StrSave("?");
14810 gameInfo.black = StrSave("?");
14819 ReplaceComment(index, text)
14827 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14828 pvInfoList[index-1].depth == len &&
14829 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14830 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14831 while (*text == '\n') text++;
14832 len = strlen(text);
14833 while (len > 0 && text[len - 1] == '\n') len--;
14835 if (commentList[index] != NULL)
14836 free(commentList[index]);
14839 commentList[index] = NULL;
14842 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14843 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14844 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14845 commentList[index] = (char *) malloc(len + 2);
14846 strncpy(commentList[index], text, len);
14847 commentList[index][len] = '\n';
14848 commentList[index][len + 1] = NULLCHAR;
14850 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14852 commentList[index] = (char *) malloc(len + 7);
14853 safeStrCpy(commentList[index], "{\n", 3);
14854 safeStrCpy(commentList[index]+2, text, len+1);
14855 commentList[index][len+2] = NULLCHAR;
14856 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14857 strcat(commentList[index], "\n}\n");
14871 if (ch == '\r') continue;
14873 } while (ch != '\0');
14877 AppendComment(index, text, addBraces)
14880 Boolean addBraces; // [HGM] braces: tells if we should add {}
14885 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14886 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14889 while (*text == '\n') text++;
14890 len = strlen(text);
14891 while (len > 0 && text[len - 1] == '\n') len--;
14893 if (len == 0) return;
14895 if (commentList[index] != NULL) {
14896 Boolean addClosingBrace = addBraces;
14897 old = commentList[index];
14898 oldlen = strlen(old);
14899 while(commentList[index][oldlen-1] == '\n')
14900 commentList[index][--oldlen] = NULLCHAR;
14901 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14902 safeStrCpy(commentList[index], old, oldlen + len + 6);
14904 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14905 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14906 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14907 while (*text == '\n') { text++; len--; }
14908 commentList[index][--oldlen] = NULLCHAR;
14910 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14911 else strcat(commentList[index], "\n");
14912 strcat(commentList[index], text);
14913 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14914 else strcat(commentList[index], "\n");
14916 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14918 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14919 else commentList[index][0] = NULLCHAR;
14920 strcat(commentList[index], text);
14921 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14922 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14926 static char * FindStr( char * text, char * sub_text )
14928 char * result = strstr( text, sub_text );
14930 if( result != NULL ) {
14931 result += strlen( sub_text );
14937 /* [AS] Try to extract PV info from PGN comment */
14938 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14939 char *GetInfoFromComment( int index, char * text )
14941 char * sep = text, *p;
14943 if( text != NULL && index > 0 ) {
14946 int time = -1, sec = 0, deci;
14947 char * s_eval = FindStr( text, "[%eval " );
14948 char * s_emt = FindStr( text, "[%emt " );
14950 if( s_eval != NULL || s_emt != NULL ) {
14954 if( s_eval != NULL ) {
14955 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14959 if( delim != ']' ) {
14964 if( s_emt != NULL ) {
14969 /* We expect something like: [+|-]nnn.nn/dd */
14972 if(*text != '{') return text; // [HGM] braces: must be normal comment
14974 sep = strchr( text, '/' );
14975 if( sep == NULL || sep < (text+4) ) {
14980 if(p[1] == '(') { // comment starts with PV
14981 p = strchr(p, ')'); // locate end of PV
14982 if(p == NULL || sep < p+5) return text;
14983 // at this point we have something like "{(.*) +0.23/6 ..."
14984 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14985 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14986 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14988 time = -1; sec = -1; deci = -1;
14989 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14990 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14991 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14992 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14996 if( score_lo < 0 || score_lo >= 100 ) {
15000 if(sec >= 0) time = 600*time + 10*sec; else
15001 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15003 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15005 /* [HGM] PV time: now locate end of PV info */
15006 while( *++sep >= '0' && *sep <= '9'); // strip depth
15008 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15010 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15012 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15013 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15024 pvInfoList[index-1].depth = depth;
15025 pvInfoList[index-1].score = score;
15026 pvInfoList[index-1].time = 10*time; // centi-sec
15027 if(*sep == '}') *sep = 0; else *--sep = '{';
15028 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15034 SendToProgram(message, cps)
15036 ChessProgramState *cps;
15038 int count, outCount, error;
15041 if (cps->pr == NoProc) return;
15044 if (appData.debugMode) {
15047 fprintf(debugFP, "%ld >%-6s: %s",
15048 SubtractTimeMarks(&now, &programStartTime),
15049 cps->which, message);
15052 count = strlen(message);
15053 outCount = OutputToProcess(cps->pr, message, count, &error);
15054 if (outCount < count && !exiting
15055 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15056 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15057 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15058 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15059 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15060 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15061 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15062 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15064 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15065 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15066 gameInfo.result = res;
15068 gameInfo.resultDetails = StrSave(buf);
15070 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15071 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15076 ReceiveFromProgram(isr, closure, message, count, error)
15077 InputSourceRef isr;
15085 ChessProgramState *cps = (ChessProgramState *)closure;
15087 if (isr != cps->isr) return; /* Killed intentionally */
15090 RemoveInputSource(cps->isr);
15091 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15092 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15093 _(cps->which), cps->program);
15094 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15095 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15096 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15097 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15098 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15100 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15101 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15102 gameInfo.result = res;
15104 gameInfo.resultDetails = StrSave(buf);
15106 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15107 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15109 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15110 _(cps->which), cps->program);
15111 RemoveInputSource(cps->isr);
15113 /* [AS] Program is misbehaving badly... kill it */
15114 if( count == -2 ) {
15115 DestroyChildProcess( cps->pr, 9 );
15119 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15124 if ((end_str = strchr(message, '\r')) != NULL)
15125 *end_str = NULLCHAR;
15126 if ((end_str = strchr(message, '\n')) != NULL)
15127 *end_str = NULLCHAR;
15129 if (appData.debugMode) {
15130 TimeMark now; int print = 1;
15131 char *quote = ""; char c; int i;
15133 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15134 char start = message[0];
15135 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15136 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15137 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15138 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15139 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15140 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15141 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15142 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15143 sscanf(message, "hint: %c", &c)!=1 &&
15144 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15145 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15146 print = (appData.engineComments >= 2);
15148 message[0] = start; // restore original message
15152 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15153 SubtractTimeMarks(&now, &programStartTime), cps->which,
15159 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15160 if (appData.icsEngineAnalyze) {
15161 if (strstr(message, "whisper") != NULL ||
15162 strstr(message, "kibitz") != NULL ||
15163 strstr(message, "tellics") != NULL) return;
15166 HandleMachineMove(message, cps);
15171 SendTimeControl(cps, mps, tc, inc, sd, st)
15172 ChessProgramState *cps;
15173 int mps, inc, sd, st;
15179 if( timeControl_2 > 0 ) {
15180 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15181 tc = timeControl_2;
15184 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15185 inc /= cps->timeOdds;
15186 st /= cps->timeOdds;
15188 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15191 /* Set exact time per move, normally using st command */
15192 if (cps->stKludge) {
15193 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15195 if (seconds == 0) {
15196 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15198 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15201 snprintf(buf, MSG_SIZ, "st %d\n", st);
15204 /* Set conventional or incremental time control, using level command */
15205 if (seconds == 0) {
15206 /* Note old gnuchess bug -- minutes:seconds used to not work.
15207 Fixed in later versions, but still avoid :seconds
15208 when seconds is 0. */
15209 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15211 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15212 seconds, inc/1000.);
15215 SendToProgram(buf, cps);
15217 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15218 /* Orthogonally, limit search to given depth */
15220 if (cps->sdKludge) {
15221 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15223 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15225 SendToProgram(buf, cps);
15228 if(cps->nps >= 0) { /* [HGM] nps */
15229 if(cps->supportsNPS == FALSE)
15230 cps->nps = -1; // don't use if engine explicitly says not supported!
15232 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15233 SendToProgram(buf, cps);
15238 ChessProgramState *WhitePlayer()
15239 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15241 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15242 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15248 SendTimeRemaining(cps, machineWhite)
15249 ChessProgramState *cps;
15250 int /*boolean*/ machineWhite;
15252 char message[MSG_SIZ];
15255 /* Note: this routine must be called when the clocks are stopped
15256 or when they have *just* been set or switched; otherwise
15257 it will be off by the time since the current tick started.
15259 if (machineWhite) {
15260 time = whiteTimeRemaining / 10;
15261 otime = blackTimeRemaining / 10;
15263 time = blackTimeRemaining / 10;
15264 otime = whiteTimeRemaining / 10;
15266 /* [HGM] translate opponent's time by time-odds factor */
15267 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15268 if (appData.debugMode) {
15269 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15272 if (time <= 0) time = 1;
15273 if (otime <= 0) otime = 1;
15275 snprintf(message, MSG_SIZ, "time %ld\n", time);
15276 SendToProgram(message, cps);
15278 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15279 SendToProgram(message, cps);
15283 BoolFeature(p, name, loc, cps)
15287 ChessProgramState *cps;
15290 int len = strlen(name);
15293 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15295 sscanf(*p, "%d", &val);
15297 while (**p && **p != ' ')
15299 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15300 SendToProgram(buf, cps);
15307 IntFeature(p, name, loc, cps)
15311 ChessProgramState *cps;
15314 int len = strlen(name);
15315 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15317 sscanf(*p, "%d", loc);
15318 while (**p && **p != ' ') (*p)++;
15319 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15320 SendToProgram(buf, cps);
15327 StringFeature(p, name, loc, cps)
15331 ChessProgramState *cps;
15334 int len = strlen(name);
15335 if (strncmp((*p), name, len) == 0
15336 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15338 sscanf(*p, "%[^\"]", loc);
15339 while (**p && **p != '\"') (*p)++;
15340 if (**p == '\"') (*p)++;
15341 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15342 SendToProgram(buf, cps);
15349 ParseOption(Option *opt, ChessProgramState *cps)
15350 // [HGM] options: process the string that defines an engine option, and determine
15351 // name, type, default value, and allowed value range
15353 char *p, *q, buf[MSG_SIZ];
15354 int n, min = (-1)<<31, max = 1<<31, def;
15356 if(p = strstr(opt->name, " -spin ")) {
15357 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15358 if(max < min) max = min; // enforce consistency
15359 if(def < min) def = min;
15360 if(def > max) def = max;
15365 } else if((p = strstr(opt->name, " -slider "))) {
15366 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15367 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15368 if(max < min) max = min; // enforce consistency
15369 if(def < min) def = min;
15370 if(def > max) def = max;
15374 opt->type = Spin; // Slider;
15375 } else if((p = strstr(opt->name, " -string "))) {
15376 opt->textValue = p+9;
15377 opt->type = TextBox;
15378 } else if((p = strstr(opt->name, " -file "))) {
15379 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15380 opt->textValue = p+7;
15381 opt->type = FileName; // FileName;
15382 } else if((p = strstr(opt->name, " -path "))) {
15383 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15384 opt->textValue = p+7;
15385 opt->type = PathName; // PathName;
15386 } else if(p = strstr(opt->name, " -check ")) {
15387 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15388 opt->value = (def != 0);
15389 opt->type = CheckBox;
15390 } else if(p = strstr(opt->name, " -combo ")) {
15391 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15392 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15393 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15394 opt->value = n = 0;
15395 while(q = StrStr(q, " /// ")) {
15396 n++; *q = 0; // count choices, and null-terminate each of them
15398 if(*q == '*') { // remember default, which is marked with * prefix
15402 cps->comboList[cps->comboCnt++] = q;
15404 cps->comboList[cps->comboCnt++] = NULL;
15406 opt->type = ComboBox;
15407 } else if(p = strstr(opt->name, " -button")) {
15408 opt->type = Button;
15409 } else if(p = strstr(opt->name, " -save")) {
15410 opt->type = SaveButton;
15411 } else return FALSE;
15412 *p = 0; // terminate option name
15413 // now look if the command-line options define a setting for this engine option.
15414 if(cps->optionSettings && cps->optionSettings[0])
15415 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15416 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15417 snprintf(buf, MSG_SIZ, "option %s", p);
15418 if(p = strstr(buf, ",")) *p = 0;
15419 if(q = strchr(buf, '=')) switch(opt->type) {
15421 for(n=0; n<opt->max; n++)
15422 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15425 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15429 opt->value = atoi(q+1);
15434 SendToProgram(buf, cps);
15440 FeatureDone(cps, val)
15441 ChessProgramState* cps;
15444 DelayedEventCallback cb = GetDelayedEvent();
15445 if ((cb == InitBackEnd3 && cps == &first) ||
15446 (cb == SettingsMenuIfReady && cps == &second) ||
15447 (cb == LoadEngine) ||
15448 (cb == TwoMachinesEventIfReady)) {
15449 CancelDelayedEvent();
15450 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15452 cps->initDone = val;
15455 /* Parse feature command from engine */
15457 ParseFeatures(args, cps)
15459 ChessProgramState *cps;
15467 while (*p == ' ') p++;
15468 if (*p == NULLCHAR) return;
15470 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15471 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15472 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15473 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15474 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15475 if (BoolFeature(&p, "reuse", &val, cps)) {
15476 /* Engine can disable reuse, but can't enable it if user said no */
15477 if (!val) cps->reuse = FALSE;
15480 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15481 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
15482 if (gameMode == TwoMachinesPlay) {
15483 DisplayTwoMachinesTitle();
15489 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
15490 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15491 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15492 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15493 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15494 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15495 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15496 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15497 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15498 if (IntFeature(&p, "done", &val, cps)) {
15499 FeatureDone(cps, val);
15502 /* Added by Tord: */
15503 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15504 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15505 /* End of additions by Tord */
15507 /* [HGM] added features: */
15508 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15509 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15510 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15511 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15512 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15513 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
15514 if (StringFeature(&p, "option", &(cps->option[cps->nrOptions].name), cps)) {
15515 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15516 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15517 SendToProgram(buf, cps);
15520 if(cps->nrOptions >= MAX_OPTIONS) {
15522 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15523 DisplayError(buf, 0);
15527 /* End of additions by HGM */
15529 /* unknown feature: complain and skip */
15531 while (*q && *q != '=') q++;
15532 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15533 SendToProgram(buf, cps);
15539 while (*p && *p != '\"') p++;
15540 if (*p == '\"') p++;
15542 while (*p && *p != ' ') p++;
15550 PeriodicUpdatesEvent(newState)
15553 if (newState == appData.periodicUpdates)
15556 appData.periodicUpdates=newState;
15558 /* Display type changes, so update it now */
15559 // DisplayAnalysis();
15561 /* Get the ball rolling again... */
15563 AnalysisPeriodicEvent(1);
15564 StartAnalysisClock();
15569 PonderNextMoveEvent(newState)
15572 if (newState == appData.ponderNextMove) return;
15573 if (gameMode == EditPosition) EditPositionDone(TRUE);
15575 SendToProgram("hard\n", &first);
15576 if (gameMode == TwoMachinesPlay) {
15577 SendToProgram("hard\n", &second);
15580 SendToProgram("easy\n", &first);
15581 thinkOutput[0] = NULLCHAR;
15582 if (gameMode == TwoMachinesPlay) {
15583 SendToProgram("easy\n", &second);
15586 appData.ponderNextMove = newState;
15590 NewSettingEvent(option, feature, command, value)
15592 int option, value, *feature;
15596 if (gameMode == EditPosition) EditPositionDone(TRUE);
15597 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15598 if(feature == NULL || *feature) SendToProgram(buf, &first);
15599 if (gameMode == TwoMachinesPlay) {
15600 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15605 ShowThinkingEvent()
15606 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15608 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15609 int newState = appData.showThinking
15610 // [HGM] thinking: other features now need thinking output as well
15611 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15613 if (oldState == newState) return;
15614 oldState = newState;
15615 if (gameMode == EditPosition) EditPositionDone(TRUE);
15617 SendToProgram("post\n", &first);
15618 if (gameMode == TwoMachinesPlay) {
15619 SendToProgram("post\n", &second);
15622 SendToProgram("nopost\n", &first);
15623 thinkOutput[0] = NULLCHAR;
15624 if (gameMode == TwoMachinesPlay) {
15625 SendToProgram("nopost\n", &second);
15628 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15632 AskQuestionEvent(title, question, replyPrefix, which)
15633 char *title; char *question; char *replyPrefix; char *which;
15635 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15636 if (pr == NoProc) return;
15637 AskQuestion(title, question, replyPrefix, pr);
15641 TypeInEvent(char firstChar)
15643 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15644 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15645 gameMode == AnalyzeMode || gameMode == EditGame ||
15646 gameMode == EditPosition || gameMode == IcsExamining ||
15647 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15648 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15649 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15650 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15651 gameMode == Training) PopUpMoveDialog(firstChar);
15655 TypeInDoneEvent(char *move)
15658 int n, fromX, fromY, toX, toY;
15660 ChessMove moveType;
15663 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15664 EditPositionPasteFEN(move);
15667 // [HGM] movenum: allow move number to be typed in any mode
15668 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15673 if (gameMode != EditGame && currentMove != forwardMostMove &&
15674 gameMode != Training) {
15675 DisplayMoveError(_("Displayed move is not current"));
15677 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15678 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15679 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15680 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15681 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15682 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15684 DisplayMoveError(_("Could not parse move"));
15690 DisplayMove(moveNumber)
15693 char message[MSG_SIZ];
15695 char cpThinkOutput[MSG_SIZ];
15697 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15699 if (moveNumber == forwardMostMove - 1 ||
15700 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15702 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15704 if (strchr(cpThinkOutput, '\n')) {
15705 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15708 *cpThinkOutput = NULLCHAR;
15711 /* [AS] Hide thinking from human user */
15712 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15713 *cpThinkOutput = NULLCHAR;
15714 if( thinkOutput[0] != NULLCHAR ) {
15717 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15718 cpThinkOutput[i] = '.';
15720 cpThinkOutput[i] = NULLCHAR;
15721 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15725 if (moveNumber == forwardMostMove - 1 &&
15726 gameInfo.resultDetails != NULL) {
15727 if (gameInfo.resultDetails[0] == NULLCHAR) {
15728 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15730 snprintf(res, MSG_SIZ, " {%s} %s",
15731 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15737 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15738 DisplayMessage(res, cpThinkOutput);
15740 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15741 WhiteOnMove(moveNumber) ? " " : ".. ",
15742 parseList[moveNumber], res);
15743 DisplayMessage(message, cpThinkOutput);
15748 DisplayComment(moveNumber, text)
15752 char title[MSG_SIZ];
15754 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15755 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15757 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15758 WhiteOnMove(moveNumber) ? " " : ".. ",
15759 parseList[moveNumber]);
15761 if (text != NULL && (appData.autoDisplayComment || commentUp))
15762 CommentPopUp(title, text);
15765 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15766 * might be busy thinking or pondering. It can be omitted if your
15767 * gnuchess is configured to stop thinking immediately on any user
15768 * input. However, that gnuchess feature depends on the FIONREAD
15769 * ioctl, which does not work properly on some flavors of Unix.
15773 ChessProgramState *cps;
15776 if (!cps->useSigint) return;
15777 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15778 switch (gameMode) {
15779 case MachinePlaysWhite:
15780 case MachinePlaysBlack:
15781 case TwoMachinesPlay:
15782 case IcsPlayingWhite:
15783 case IcsPlayingBlack:
15786 /* Skip if we know it isn't thinking */
15787 if (!cps->maybeThinking) return;
15788 if (appData.debugMode)
15789 fprintf(debugFP, "Interrupting %s\n", cps->which);
15790 InterruptChildProcess(cps->pr);
15791 cps->maybeThinking = FALSE;
15796 #endif /*ATTENTION*/
15802 if (whiteTimeRemaining <= 0) {
15805 if (appData.icsActive) {
15806 if (appData.autoCallFlag &&
15807 gameMode == IcsPlayingBlack && !blackFlag) {
15808 SendToICS(ics_prefix);
15809 SendToICS("flag\n");
15813 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15815 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15816 if (appData.autoCallFlag) {
15817 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15824 if (blackTimeRemaining <= 0) {
15827 if (appData.icsActive) {
15828 if (appData.autoCallFlag &&
15829 gameMode == IcsPlayingWhite && !whiteFlag) {
15830 SendToICS(ics_prefix);
15831 SendToICS("flag\n");
15835 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15837 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15838 if (appData.autoCallFlag) {
15839 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15852 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15853 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15856 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15858 if ( !WhiteOnMove(forwardMostMove) ) {
15859 /* White made time control */
15860 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15861 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15862 /* [HGM] time odds: correct new time quota for time odds! */
15863 / WhitePlayer()->timeOdds;
15864 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15866 lastBlack -= blackTimeRemaining;
15867 /* Black made time control */
15868 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15869 / WhitePlayer()->other->timeOdds;
15870 lastWhite = whiteTimeRemaining;
15875 DisplayBothClocks()
15877 int wom = gameMode == EditPosition ?
15878 !blackPlaysFirst : WhiteOnMove(currentMove);
15879 DisplayWhiteClock(whiteTimeRemaining, wom);
15880 DisplayBlackClock(blackTimeRemaining, !wom);
15884 /* Timekeeping seems to be a portability nightmare. I think everyone
15885 has ftime(), but I'm really not sure, so I'm including some ifdefs
15886 to use other calls if you don't. Clocks will be less accurate if
15887 you have neither ftime nor gettimeofday.
15890 /* VS 2008 requires the #include outside of the function */
15891 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15892 #include <sys/timeb.h>
15895 /* Get the current time as a TimeMark */
15900 #if HAVE_GETTIMEOFDAY
15902 struct timeval timeVal;
15903 struct timezone timeZone;
15905 gettimeofday(&timeVal, &timeZone);
15906 tm->sec = (long) timeVal.tv_sec;
15907 tm->ms = (int) (timeVal.tv_usec / 1000L);
15909 #else /*!HAVE_GETTIMEOFDAY*/
15912 // include <sys/timeb.h> / moved to just above start of function
15913 struct timeb timeB;
15916 tm->sec = (long) timeB.time;
15917 tm->ms = (int) timeB.millitm;
15919 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15920 tm->sec = (long) time(NULL);
15926 /* Return the difference in milliseconds between two
15927 time marks. We assume the difference will fit in a long!
15930 SubtractTimeMarks(tm2, tm1)
15931 TimeMark *tm2, *tm1;
15933 return 1000L*(tm2->sec - tm1->sec) +
15934 (long) (tm2->ms - tm1->ms);
15939 * Code to manage the game clocks.
15941 * In tournament play, black starts the clock and then white makes a move.
15942 * We give the human user a slight advantage if he is playing white---the
15943 * clocks don't run until he makes his first move, so it takes zero time.
15944 * Also, we don't account for network lag, so we could get out of sync
15945 * with GNU Chess's clock -- but then, referees are always right.
15948 static TimeMark tickStartTM;
15949 static long intendedTickLength;
15952 NextTickLength(timeRemaining)
15953 long timeRemaining;
15955 long nominalTickLength, nextTickLength;
15957 if (timeRemaining > 0L && timeRemaining <= 10000L)
15958 nominalTickLength = 100L;
15960 nominalTickLength = 1000L;
15961 nextTickLength = timeRemaining % nominalTickLength;
15962 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15964 return nextTickLength;
15967 /* Adjust clock one minute up or down */
15969 AdjustClock(Boolean which, int dir)
15971 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15972 if(which) blackTimeRemaining += 60000*dir;
15973 else whiteTimeRemaining += 60000*dir;
15974 DisplayBothClocks();
15975 adjustedClock = TRUE;
15978 /* Stop clocks and reset to a fresh time control */
15982 (void) StopClockTimer();
15983 if (appData.icsActive) {
15984 whiteTimeRemaining = blackTimeRemaining = 0;
15985 } else if (searchTime) {
15986 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15987 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15988 } else { /* [HGM] correct new time quote for time odds */
15989 whiteTC = blackTC = fullTimeControlString;
15990 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15991 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15993 if (whiteFlag || blackFlag) {
15995 whiteFlag = blackFlag = FALSE;
15997 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15998 DisplayBothClocks();
15999 adjustedClock = FALSE;
16002 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16004 /* Decrement running clock by amount of time that has passed */
16008 long timeRemaining;
16009 long lastTickLength, fudge;
16012 if (!appData.clockMode) return;
16013 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16017 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16019 /* Fudge if we woke up a little too soon */
16020 fudge = intendedTickLength - lastTickLength;
16021 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16023 if (WhiteOnMove(forwardMostMove)) {
16024 if(whiteNPS >= 0) lastTickLength = 0;
16025 timeRemaining = whiteTimeRemaining -= lastTickLength;
16026 if(timeRemaining < 0 && !appData.icsActive) {
16027 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16028 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16029 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16030 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16033 DisplayWhiteClock(whiteTimeRemaining - fudge,
16034 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16036 if(blackNPS >= 0) lastTickLength = 0;
16037 timeRemaining = blackTimeRemaining -= lastTickLength;
16038 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16039 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16041 blackStartMove = forwardMostMove;
16042 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16045 DisplayBlackClock(blackTimeRemaining - fudge,
16046 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16048 if (CheckFlags()) return;
16051 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16052 StartClockTimer(intendedTickLength);
16054 /* if the time remaining has fallen below the alarm threshold, sound the
16055 * alarm. if the alarm has sounded and (due to a takeback or time control
16056 * with increment) the time remaining has increased to a level above the
16057 * threshold, reset the alarm so it can sound again.
16060 if (appData.icsActive && appData.icsAlarm) {
16062 /* make sure we are dealing with the user's clock */
16063 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16064 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16067 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16068 alarmSounded = FALSE;
16069 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16071 alarmSounded = TRUE;
16077 /* A player has just moved, so stop the previously running
16078 clock and (if in clock mode) start the other one.
16079 We redisplay both clocks in case we're in ICS mode, because
16080 ICS gives us an update to both clocks after every move.
16081 Note that this routine is called *after* forwardMostMove
16082 is updated, so the last fractional tick must be subtracted
16083 from the color that is *not* on move now.
16086 SwitchClocks(int newMoveNr)
16088 long lastTickLength;
16090 int flagged = FALSE;
16094 if (StopClockTimer() && appData.clockMode) {
16095 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16096 if (!WhiteOnMove(forwardMostMove)) {
16097 if(blackNPS >= 0) lastTickLength = 0;
16098 blackTimeRemaining -= lastTickLength;
16099 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16100 // if(pvInfoList[forwardMostMove].time == -1)
16101 pvInfoList[forwardMostMove].time = // use GUI time
16102 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16104 if(whiteNPS >= 0) lastTickLength = 0;
16105 whiteTimeRemaining -= lastTickLength;
16106 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16107 // if(pvInfoList[forwardMostMove].time == -1)
16108 pvInfoList[forwardMostMove].time =
16109 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16111 flagged = CheckFlags();
16113 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16114 CheckTimeControl();
16116 if (flagged || !appData.clockMode) return;
16118 switch (gameMode) {
16119 case MachinePlaysBlack:
16120 case MachinePlaysWhite:
16121 case BeginningOfGame:
16122 if (pausing) return;
16126 case PlayFromGameFile:
16134 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16135 if(WhiteOnMove(forwardMostMove))
16136 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16137 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16141 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16142 whiteTimeRemaining : blackTimeRemaining);
16143 StartClockTimer(intendedTickLength);
16147 /* Stop both clocks */
16151 long lastTickLength;
16154 if (!StopClockTimer()) return;
16155 if (!appData.clockMode) return;
16159 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16160 if (WhiteOnMove(forwardMostMove)) {
16161 if(whiteNPS >= 0) lastTickLength = 0;
16162 whiteTimeRemaining -= lastTickLength;
16163 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16165 if(blackNPS >= 0) lastTickLength = 0;
16166 blackTimeRemaining -= lastTickLength;
16167 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16172 /* Start clock of player on move. Time may have been reset, so
16173 if clock is already running, stop and restart it. */
16177 (void) StopClockTimer(); /* in case it was running already */
16178 DisplayBothClocks();
16179 if (CheckFlags()) return;
16181 if (!appData.clockMode) return;
16182 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16184 GetTimeMark(&tickStartTM);
16185 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16186 whiteTimeRemaining : blackTimeRemaining);
16188 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16189 whiteNPS = blackNPS = -1;
16190 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16191 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16192 whiteNPS = first.nps;
16193 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16194 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16195 blackNPS = first.nps;
16196 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16197 whiteNPS = second.nps;
16198 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16199 blackNPS = second.nps;
16200 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16202 StartClockTimer(intendedTickLength);
16209 long second, minute, hour, day;
16211 static char buf[32];
16213 if (ms > 0 && ms <= 9900) {
16214 /* convert milliseconds to tenths, rounding up */
16215 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16217 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16221 /* convert milliseconds to seconds, rounding up */
16222 /* use floating point to avoid strangeness of integer division
16223 with negative dividends on many machines */
16224 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16231 day = second / (60 * 60 * 24);
16232 second = second % (60 * 60 * 24);
16233 hour = second / (60 * 60);
16234 second = second % (60 * 60);
16235 minute = second / 60;
16236 second = second % 60;
16239 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16240 sign, day, hour, minute, second);
16242 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16244 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16251 * This is necessary because some C libraries aren't ANSI C compliant yet.
16254 StrStr(string, match)
16255 char *string, *match;
16259 length = strlen(match);
16261 for (i = strlen(string) - length; i >= 0; i--, string++)
16262 if (!strncmp(match, string, length))
16269 StrCaseStr(string, match)
16270 char *string, *match;
16274 length = strlen(match);
16276 for (i = strlen(string) - length; i >= 0; i--, string++) {
16277 for (j = 0; j < length; j++) {
16278 if (ToLower(match[j]) != ToLower(string[j]))
16281 if (j == length) return string;
16295 c1 = ToLower(*s1++);
16296 c2 = ToLower(*s2++);
16297 if (c1 > c2) return 1;
16298 if (c1 < c2) return -1;
16299 if (c1 == NULLCHAR) return 0;
16308 return isupper(c) ? tolower(c) : c;
16316 return islower(c) ? toupper(c) : c;
16318 #endif /* !_amigados */
16326 if ((ret = (char *) malloc(strlen(s) + 1)))
16328 safeStrCpy(ret, s, strlen(s)+1);
16334 StrSavePtr(s, savePtr)
16335 char *s, **savePtr;
16340 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16341 safeStrCpy(*savePtr, s, strlen(s)+1);
16353 clock = time((time_t *)NULL);
16354 tm = localtime(&clock);
16355 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16356 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16357 return StrSave(buf);
16362 PositionToFEN(move, overrideCastling)
16364 char *overrideCastling;
16366 int i, j, fromX, fromY, toX, toY;
16373 whiteToPlay = (gameMode == EditPosition) ?
16374 !blackPlaysFirst : (move % 2 == 0);
16377 /* Piece placement data */
16378 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16379 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16381 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16382 if (boards[move][i][j] == EmptySquare) {
16384 } else { ChessSquare piece = boards[move][i][j];
16385 if (emptycount > 0) {
16386 if(emptycount<10) /* [HGM] can be >= 10 */
16387 *p++ = '0' + emptycount;
16388 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16391 if(PieceToChar(piece) == '+') {
16392 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16394 piece = (ChessSquare)(DEMOTED piece);
16396 *p++ = PieceToChar(piece);
16398 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16399 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16404 if (emptycount > 0) {
16405 if(emptycount<10) /* [HGM] can be >= 10 */
16406 *p++ = '0' + emptycount;
16407 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16414 /* [HGM] print Crazyhouse or Shogi holdings */
16415 if( gameInfo.holdingsWidth ) {
16416 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16418 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16419 piece = boards[move][i][BOARD_WIDTH-1];
16420 if( piece != EmptySquare )
16421 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16422 *p++ = PieceToChar(piece);
16424 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16425 piece = boards[move][BOARD_HEIGHT-i-1][0];
16426 if( piece != EmptySquare )
16427 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16428 *p++ = PieceToChar(piece);
16431 if( q == p ) *p++ = '-';
16437 *p++ = whiteToPlay ? 'w' : 'b';
16440 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16441 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16443 if(nrCastlingRights) {
16445 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16446 /* [HGM] write directly from rights */
16447 if(boards[move][CASTLING][2] != NoRights &&
16448 boards[move][CASTLING][0] != NoRights )
16449 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16450 if(boards[move][CASTLING][2] != NoRights &&
16451 boards[move][CASTLING][1] != NoRights )
16452 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16453 if(boards[move][CASTLING][5] != NoRights &&
16454 boards[move][CASTLING][3] != NoRights )
16455 *p++ = boards[move][CASTLING][3] + AAA;
16456 if(boards[move][CASTLING][5] != NoRights &&
16457 boards[move][CASTLING][4] != NoRights )
16458 *p++ = boards[move][CASTLING][4] + AAA;
16461 /* [HGM] write true castling rights */
16462 if( nrCastlingRights == 6 ) {
16463 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16464 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16465 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16466 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16467 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16468 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16469 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16470 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16473 if (q == p) *p++ = '-'; /* No castling rights */
16477 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16478 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16479 /* En passant target square */
16480 if (move > backwardMostMove) {
16481 fromX = moveList[move - 1][0] - AAA;
16482 fromY = moveList[move - 1][1] - ONE;
16483 toX = moveList[move - 1][2] - AAA;
16484 toY = moveList[move - 1][3] - ONE;
16485 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16486 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16487 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16489 /* 2-square pawn move just happened */
16491 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16495 } else if(move == backwardMostMove) {
16496 // [HGM] perhaps we should always do it like this, and forget the above?
16497 if((signed char)boards[move][EP_STATUS] >= 0) {
16498 *p++ = boards[move][EP_STATUS] + AAA;
16499 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16510 /* [HGM] find reversible plies */
16511 { int i = 0, j=move;
16513 if (appData.debugMode) { int k;
16514 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16515 for(k=backwardMostMove; k<=forwardMostMove; k++)
16516 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16520 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16521 if( j == backwardMostMove ) i += initialRulePlies;
16522 sprintf(p, "%d ", i);
16523 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16525 /* Fullmove number */
16526 sprintf(p, "%d", (move / 2) + 1);
16528 return StrSave(buf);
16532 ParseFEN(board, blackPlaysFirst, fen)
16534 int *blackPlaysFirst;
16544 /* [HGM] by default clear Crazyhouse holdings, if present */
16545 if(gameInfo.holdingsWidth) {
16546 for(i=0; i<BOARD_HEIGHT; i++) {
16547 board[i][0] = EmptySquare; /* black holdings */
16548 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16549 board[i][1] = (ChessSquare) 0; /* black counts */
16550 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16554 /* Piece placement data */
16555 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16558 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16559 if (*p == '/') p++;
16560 emptycount = gameInfo.boardWidth - j;
16561 while (emptycount--)
16562 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16564 #if(BOARD_FILES >= 10)
16565 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16566 p++; emptycount=10;
16567 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16568 while (emptycount--)
16569 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16571 } else if (isdigit(*p)) {
16572 emptycount = *p++ - '0';
16573 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16574 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16575 while (emptycount--)
16576 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16577 } else if (*p == '+' || isalpha(*p)) {
16578 if (j >= gameInfo.boardWidth) return FALSE;
16580 piece = CharToPiece(*++p);
16581 if(piece == EmptySquare) return FALSE; /* unknown piece */
16582 piece = (ChessSquare) (PROMOTED piece ); p++;
16583 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16584 } else piece = CharToPiece(*p++);
16586 if(piece==EmptySquare) return FALSE; /* unknown piece */
16587 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16588 piece = (ChessSquare) (PROMOTED piece);
16589 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16592 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16598 while (*p == '/' || *p == ' ') p++;
16600 /* [HGM] look for Crazyhouse holdings here */
16601 while(*p==' ') p++;
16602 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16604 if(*p == '-' ) p++; /* empty holdings */ else {
16605 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16606 /* if we would allow FEN reading to set board size, we would */
16607 /* have to add holdings and shift the board read so far here */
16608 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16610 if((int) piece >= (int) BlackPawn ) {
16611 i = (int)piece - (int)BlackPawn;
16612 i = PieceToNumber((ChessSquare)i);
16613 if( i >= gameInfo.holdingsSize ) return FALSE;
16614 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16615 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16617 i = (int)piece - (int)WhitePawn;
16618 i = PieceToNumber((ChessSquare)i);
16619 if( i >= gameInfo.holdingsSize ) return FALSE;
16620 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16621 board[i][BOARD_WIDTH-2]++; /* black holdings */
16628 while(*p == ' ') p++;
16632 if(appData.colorNickNames) {
16633 if( c == appData.colorNickNames[0] ) c = 'w'; else
16634 if( c == appData.colorNickNames[1] ) c = 'b';
16638 *blackPlaysFirst = FALSE;
16641 *blackPlaysFirst = TRUE;
16647 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16648 /* return the extra info in global variiables */
16650 /* set defaults in case FEN is incomplete */
16651 board[EP_STATUS] = EP_UNKNOWN;
16652 for(i=0; i<nrCastlingRights; i++ ) {
16653 board[CASTLING][i] =
16654 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16655 } /* assume possible unless obviously impossible */
16656 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16657 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16658 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16659 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16660 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16661 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16662 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16663 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16666 while(*p==' ') p++;
16667 if(nrCastlingRights) {
16668 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16669 /* castling indicator present, so default becomes no castlings */
16670 for(i=0; i<nrCastlingRights; i++ ) {
16671 board[CASTLING][i] = NoRights;
16674 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16675 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16676 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16677 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16678 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16680 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16681 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16682 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16684 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16685 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16686 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16687 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16688 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16689 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16692 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16693 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16694 board[CASTLING][2] = whiteKingFile;
16697 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16698 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16699 board[CASTLING][2] = whiteKingFile;
16702 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16703 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16704 board[CASTLING][5] = blackKingFile;
16707 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16708 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16709 board[CASTLING][5] = blackKingFile;
16712 default: /* FRC castlings */
16713 if(c >= 'a') { /* black rights */
16714 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16715 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16716 if(i == BOARD_RGHT) break;
16717 board[CASTLING][5] = i;
16719 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16720 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16722 board[CASTLING][3] = c;
16724 board[CASTLING][4] = c;
16725 } else { /* white rights */
16726 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16727 if(board[0][i] == WhiteKing) break;
16728 if(i == BOARD_RGHT) break;
16729 board[CASTLING][2] = i;
16730 c -= AAA - 'a' + 'A';
16731 if(board[0][c] >= WhiteKing) break;
16733 board[CASTLING][0] = c;
16735 board[CASTLING][1] = c;
16739 for(i=0; i<nrCastlingRights; i++)
16740 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16741 if (appData.debugMode) {
16742 fprintf(debugFP, "FEN castling rights:");
16743 for(i=0; i<nrCastlingRights; i++)
16744 fprintf(debugFP, " %d", board[CASTLING][i]);
16745 fprintf(debugFP, "\n");
16748 while(*p==' ') p++;
16751 /* read e.p. field in games that know e.p. capture */
16752 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16753 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16755 p++; board[EP_STATUS] = EP_NONE;
16757 char c = *p++ - AAA;
16759 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16760 if(*p >= '0' && *p <='9') p++;
16761 board[EP_STATUS] = c;
16766 if(sscanf(p, "%d", &i) == 1) {
16767 FENrulePlies = i; /* 50-move ply counter */
16768 /* (The move number is still ignored) */
16775 EditPositionPasteFEN(char *fen)
16778 Board initial_position;
16780 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16781 DisplayError(_("Bad FEN position in clipboard"), 0);
16784 int savedBlackPlaysFirst = blackPlaysFirst;
16785 EditPositionEvent();
16786 blackPlaysFirst = savedBlackPlaysFirst;
16787 CopyBoard(boards[0], initial_position);
16788 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16789 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16790 DisplayBothClocks();
16791 DrawPosition(FALSE, boards[currentMove]);
16796 static char cseq[12] = "\\ ";
16798 Boolean set_cont_sequence(char *new_seq)
16803 // handle bad attempts to set the sequence
16805 return 0; // acceptable error - no debug
16807 len = strlen(new_seq);
16808 ret = (len > 0) && (len < sizeof(cseq));
16810 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16811 else if (appData.debugMode)
16812 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16817 reformat a source message so words don't cross the width boundary. internal
16818 newlines are not removed. returns the wrapped size (no null character unless
16819 included in source message). If dest is NULL, only calculate the size required
16820 for the dest buffer. lp argument indicats line position upon entry, and it's
16821 passed back upon exit.
16823 int wrap(char *dest, char *src, int count, int width, int *lp)
16825 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16827 cseq_len = strlen(cseq);
16828 old_line = line = *lp;
16829 ansi = len = clen = 0;
16831 for (i=0; i < count; i++)
16833 if (src[i] == '\033')
16836 // if we hit the width, back up
16837 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16839 // store i & len in case the word is too long
16840 old_i = i, old_len = len;
16842 // find the end of the last word
16843 while (i && src[i] != ' ' && src[i] != '\n')
16849 // word too long? restore i & len before splitting it
16850 if ((old_i-i+clen) >= width)
16857 if (i && src[i-1] == ' ')
16860 if (src[i] != ' ' && src[i] != '\n')
16867 // now append the newline and continuation sequence
16872 strncpy(dest+len, cseq, cseq_len);
16880 dest[len] = src[i];
16884 if (src[i] == '\n')
16889 if (dest && appData.debugMode)
16891 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16892 count, width, line, len, *lp);
16893 show_bytes(debugFP, src, count);
16894 fprintf(debugFP, "\ndest: ");
16895 show_bytes(debugFP, dest, len);
16896 fprintf(debugFP, "\n");
16898 *lp = dest ? line : old_line;
16903 // [HGM] vari: routines for shelving variations
16904 Boolean modeRestore = FALSE;
16907 PushInner(int firstMove, int lastMove)
16909 int i, j, nrMoves = lastMove - firstMove;
16911 // push current tail of game on stack
16912 savedResult[storedGames] = gameInfo.result;
16913 savedDetails[storedGames] = gameInfo.resultDetails;
16914 gameInfo.resultDetails = NULL;
16915 savedFirst[storedGames] = firstMove;
16916 savedLast [storedGames] = lastMove;
16917 savedFramePtr[storedGames] = framePtr;
16918 framePtr -= nrMoves; // reserve space for the boards
16919 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16920 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16921 for(j=0; j<MOVE_LEN; j++)
16922 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16923 for(j=0; j<2*MOVE_LEN; j++)
16924 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16925 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16926 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16927 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16928 pvInfoList[firstMove+i-1].depth = 0;
16929 commentList[framePtr+i] = commentList[firstMove+i];
16930 commentList[firstMove+i] = NULL;
16934 forwardMostMove = firstMove; // truncate game so we can start variation
16938 PushTail(int firstMove, int lastMove)
16940 if(appData.icsActive) { // only in local mode
16941 forwardMostMove = currentMove; // mimic old ICS behavior
16944 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16946 PushInner(firstMove, lastMove);
16947 if(storedGames == 1) GreyRevert(FALSE);
16948 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16952 PopInner(Boolean annotate)
16955 char buf[8000], moveBuf[20];
16957 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16958 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16959 nrMoves = savedLast[storedGames] - currentMove;
16962 if(!WhiteOnMove(currentMove))
16963 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16964 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16965 for(i=currentMove; i<forwardMostMove; i++) {
16967 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16968 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16969 strcat(buf, moveBuf);
16970 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16971 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16975 for(i=1; i<=nrMoves; i++) { // copy last variation back
16976 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16977 for(j=0; j<MOVE_LEN; j++)
16978 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16979 for(j=0; j<2*MOVE_LEN; j++)
16980 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16981 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16982 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16983 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16984 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16985 commentList[currentMove+i] = commentList[framePtr+i];
16986 commentList[framePtr+i] = NULL;
16988 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16989 framePtr = savedFramePtr[storedGames];
16990 gameInfo.result = savedResult[storedGames];
16991 if(gameInfo.resultDetails != NULL) {
16992 free(gameInfo.resultDetails);
16994 gameInfo.resultDetails = savedDetails[storedGames];
16995 forwardMostMove = currentMove + nrMoves;
16999 PopTail(Boolean annotate)
17001 if(appData.icsActive) return FALSE; // only in local mode
17002 if(!storedGames) return FALSE; // sanity
17003 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17005 PopInner(annotate);
17006 if(currentMove < forwardMostMove) ForwardEvent(); else
17007 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17009 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17015 { // remove all shelved variations
17017 for(i=0; i<storedGames; i++) {
17018 if(savedDetails[i])
17019 free(savedDetails[i]);
17020 savedDetails[i] = NULL;
17022 for(i=framePtr; i<MAX_MOVES; i++) {
17023 if(commentList[i]) free(commentList[i]);
17024 commentList[i] = NULL;
17026 framePtr = MAX_MOVES-1;
17031 LoadVariation(int index, char *text)
17032 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17033 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17034 int level = 0, move;
17036 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17037 // first find outermost bracketing variation
17038 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17039 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17040 if(*p == '{') wait = '}'; else
17041 if(*p == '[') wait = ']'; else
17042 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17043 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17045 if(*p == wait) wait = NULLCHAR; // closing ]} found
17048 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17049 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17050 end[1] = NULLCHAR; // clip off comment beyond variation
17051 ToNrEvent(currentMove-1);
17052 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17053 // kludge: use ParsePV() to append variation to game
17054 move = currentMove;
17055 ParsePV(start, TRUE, TRUE);
17056 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17057 ClearPremoveHighlights();
17059 ToNrEvent(currentMove+1);