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, 2012, 2013 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"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
246 extern int tinyLayout, smallLayout;
247 ChessProgramStats programStats;
248 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
250 static int exiting = 0; /* [HGM] moved to top */
251 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
252 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
253 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
254 int partnerHighlight[2];
255 Boolean partnerBoardValid = 0;
256 char partnerStatus[MSG_SIZ];
258 Boolean originalFlip;
259 Boolean twoBoards = 0;
260 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
261 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
262 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
263 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
264 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
265 int opponentKibitzes;
266 int lastSavedGame; /* [HGM] save: ID of game */
267 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
268 extern int chatCount;
270 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 char lastMsg[MSG_SIZ];
272 ChessSquare pieceSweep = EmptySquare;
273 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
274 int promoDefaultAltered;
275 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
277 /* States for ics_getting_history */
279 #define H_REQUESTED 1
280 #define H_GOT_REQ_HEADER 2
281 #define H_GOT_UNREQ_HEADER 3
282 #define H_GETTING_MOVES 4
283 #define H_GOT_UNWANTED_HEADER 5
285 /* whosays values for GameEnds */
294 /* Maximum number of games in a cmail message */
295 #define CMAIL_MAX_GAMES 20
297 /* Different types of move when calling RegisterMove */
299 #define CMAIL_RESIGN 1
301 #define CMAIL_ACCEPT 3
303 /* Different types of result to remember for each game */
304 #define CMAIL_NOT_RESULT 0
305 #define CMAIL_OLD_RESULT 1
306 #define CMAIL_NEW_RESULT 2
308 /* Telnet protocol constants */
319 safeStrCpy (char *dst, const char *src, size_t count)
322 assert( dst != NULL );
323 assert( src != NULL );
326 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
327 if( i == count && dst[count-1] != NULLCHAR)
329 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
330 if(appData.debugMode)
331 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
337 /* Some compiler can't cast u64 to double
338 * This function do the job for us:
340 * We use the highest bit for cast, this only
341 * works if the highest bit is not
342 * in use (This should not happen)
344 * We used this for all compiler
347 u64ToDouble (u64 value)
350 u64 tmp = value & u64Const(0x7fffffffffffffff);
351 r = (double)(s64)tmp;
352 if (value & u64Const(0x8000000000000000))
353 r += 9.2233720368547758080e18; /* 2^63 */
357 /* Fake up flags for now, as we aren't keeping track of castling
358 availability yet. [HGM] Change of logic: the flag now only
359 indicates the type of castlings allowed by the rule of the game.
360 The actual rights themselves are maintained in the array
361 castlingRights, as part of the game history, and are not probed
367 int flags = F_ALL_CASTLE_OK;
368 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
369 switch (gameInfo.variant) {
371 flags &= ~F_ALL_CASTLE_OK;
372 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
373 flags |= F_IGNORE_CHECK;
375 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
378 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
380 case VariantKriegspiel:
381 flags |= F_KRIEGSPIEL_CAPTURE;
383 case VariantCapaRandom:
384 case VariantFischeRandom:
385 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
386 case VariantNoCastle:
387 case VariantShatranj:
391 flags &= ~F_ALL_CASTLE_OK;
399 FILE *gameFileFP, *debugFP, *serverFP;
400 char *currentDebugFile; // [HGM] debug split: to remember name
403 [AS] Note: sometimes, the sscanf() function is used to parse the input
404 into a fixed-size buffer. Because of this, we must be prepared to
405 receive strings as long as the size of the input buffer, which is currently
406 set to 4K for Windows and 8K for the rest.
407 So, we must either allocate sufficiently large buffers here, or
408 reduce the size of the input buffer in the input reading part.
411 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
412 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
413 char thinkOutput1[MSG_SIZ*10];
415 ChessProgramState first, second, pairing;
417 /* premove variables */
420 int premoveFromX = 0;
421 int premoveFromY = 0;
422 int premovePromoChar = 0;
424 Boolean alarmSounded;
425 /* end premove variables */
427 char *ics_prefix = "$";
428 enum ICS_TYPE ics_type = ICS_GENERIC;
430 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
431 int pauseExamForwardMostMove = 0;
432 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
433 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
434 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
435 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
436 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
437 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
438 int whiteFlag = FALSE, blackFlag = FALSE;
439 int userOfferedDraw = FALSE;
440 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
441 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
442 int cmailMoveType[CMAIL_MAX_GAMES];
443 long ics_clock_paused = 0;
444 ProcRef icsPR = NoProc, cmailPR = NoProc;
445 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
446 GameMode gameMode = BeginningOfGame;
447 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
448 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
449 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
450 int hiddenThinkOutputState = 0; /* [AS] */
451 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
452 int adjudicateLossPlies = 6;
453 char white_holding[64], black_holding[64];
454 TimeMark lastNodeCountTime;
455 long lastNodeCount=0;
456 int shiftKey, controlKey; // [HGM] set by mouse handler
458 int have_sent_ICS_logon = 0;
460 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
461 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
462 Boolean adjustedClock;
463 long timeControl_2; /* [AS] Allow separate time controls */
464 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
465 long timeRemaining[2][MAX_MOVES];
466 int matchGame = 0, nextGame = 0, roundNr = 0;
467 Boolean waitingForGame = FALSE;
468 TimeMark programStartTime, pauseStart;
469 char ics_handle[MSG_SIZ];
470 int have_set_title = 0;
472 /* animateTraining preserves the state of appData.animate
473 * when Training mode is activated. This allows the
474 * response to be animated when appData.animate == TRUE and
475 * appData.animateDragging == TRUE.
477 Boolean animateTraining;
483 Board boards[MAX_MOVES];
484 /* [HGM] Following 7 needed for accurate legality tests: */
485 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
486 signed char initialRights[BOARD_FILES];
487 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
488 int initialRulePlies, FENrulePlies;
489 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
491 Boolean shuffleOpenings;
492 int mute; // mute all sounds
494 // [HGM] vari: next 12 to save and restore variations
495 #define MAX_VARIATIONS 10
496 int framePtr = MAX_MOVES-1; // points to free stack entry
498 int savedFirst[MAX_VARIATIONS];
499 int savedLast[MAX_VARIATIONS];
500 int savedFramePtr[MAX_VARIATIONS];
501 char *savedDetails[MAX_VARIATIONS];
502 ChessMove savedResult[MAX_VARIATIONS];
504 void PushTail P((int firstMove, int lastMove));
505 Boolean PopTail P((Boolean annotate));
506 void PushInner P((int firstMove, int lastMove));
507 void PopInner P((Boolean annotate));
508 void CleanupTail P((void));
510 ChessSquare FIDEArray[2][BOARD_FILES] = {
511 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
512 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
513 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
514 BlackKing, BlackBishop, BlackKnight, BlackRook }
517 ChessSquare twoKingsArray[2][BOARD_FILES] = {
518 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
519 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
521 BlackKing, BlackKing, BlackKnight, BlackRook }
524 ChessSquare KnightmateArray[2][BOARD_FILES] = {
525 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
526 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
527 { BlackRook, BlackMan, BlackBishop, BlackQueen,
528 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
531 ChessSquare SpartanArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
533 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
534 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
535 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
538 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
539 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
541 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
542 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
545 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
546 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
547 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
548 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
549 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
552 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
553 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
554 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackMan, BlackFerz,
556 BlackKing, BlackMan, BlackKnight, BlackRook }
560 #if (BOARD_FILES>=10)
561 ChessSquare ShogiArray[2][BOARD_FILES] = {
562 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
563 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
564 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
565 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
568 ChessSquare XiangqiArray[2][BOARD_FILES] = {
569 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
570 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
571 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
572 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
575 ChessSquare CapablancaArray[2][BOARD_FILES] = {
576 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
577 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
579 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
582 ChessSquare GreatArray[2][BOARD_FILES] = {
583 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
584 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
585 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
586 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
589 ChessSquare JanusArray[2][BOARD_FILES] = {
590 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
591 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
592 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
593 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
596 ChessSquare GrandArray[2][BOARD_FILES] = {
597 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
598 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
599 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
600 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
604 ChessSquare GothicArray[2][BOARD_FILES] = {
605 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
606 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
607 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
608 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
611 #define GothicArray CapablancaArray
615 ChessSquare FalconArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
617 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
619 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
622 #define FalconArray CapablancaArray
625 #else // !(BOARD_FILES>=10)
626 #define XiangqiPosition FIDEArray
627 #define CapablancaArray FIDEArray
628 #define GothicArray FIDEArray
629 #define GreatArray FIDEArray
630 #endif // !(BOARD_FILES>=10)
632 #if (BOARD_FILES>=12)
633 ChessSquare CourierArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
635 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
636 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
637 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
639 #else // !(BOARD_FILES>=12)
640 #define CourierArray CapablancaArray
641 #endif // !(BOARD_FILES>=12)
644 Board initialPosition;
647 /* Convert str to a rating. Checks for special cases of "----",
649 "++++", etc. Also strips ()'s */
651 string_to_rating (char *str)
653 while(*str && !isdigit(*str)) ++str;
655 return 0; /* One of the special "no rating" cases */
663 /* Init programStats */
664 programStats.movelist[0] = 0;
665 programStats.depth = 0;
666 programStats.nr_moves = 0;
667 programStats.moves_left = 0;
668 programStats.nodes = 0;
669 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
670 programStats.score = 0;
671 programStats.got_only_move = 0;
672 programStats.got_fail = 0;
673 programStats.line_is_book = 0;
678 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
679 if (appData.firstPlaysBlack) {
680 first.twoMachinesColor = "black\n";
681 second.twoMachinesColor = "white\n";
683 first.twoMachinesColor = "white\n";
684 second.twoMachinesColor = "black\n";
687 first.other = &second;
688 second.other = &first;
691 if(appData.timeOddsMode) {
692 norm = appData.timeOdds[0];
693 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
695 first.timeOdds = appData.timeOdds[0]/norm;
696 second.timeOdds = appData.timeOdds[1]/norm;
699 if(programVersion) free(programVersion);
700 if (appData.noChessProgram) {
701 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
702 sprintf(programVersion, "%s", PACKAGE_STRING);
704 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
705 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
706 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
711 UnloadEngine (ChessProgramState *cps)
713 /* Kill off first chess program */
714 if (cps->isr != NULL)
715 RemoveInputSource(cps->isr);
718 if (cps->pr != NoProc) {
720 DoSleep( appData.delayBeforeQuit );
721 SendToProgram("quit\n", cps);
722 DoSleep( appData.delayAfterQuit );
723 DestroyChildProcess(cps->pr, cps->useSigterm);
726 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
730 ClearOptions (ChessProgramState *cps)
733 cps->nrOptions = cps->comboCnt = 0;
734 for(i=0; i<MAX_OPTIONS; i++) {
735 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
736 cps->option[i].textValue = 0;
740 char *engineNames[] = {
741 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
744 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
745 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
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;
791 /* New features added by Tord: */
792 cps->useFEN960 = FALSE;
793 cps->useOOCastle = TRUE;
794 /* End of new features added by Tord. */
795 cps->fenOverride = appData.fenOverride[n];
797 /* [HGM] time odds: set factor for each machine */
798 cps->timeOdds = appData.timeOdds[n];
800 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
801 cps->accumulateTC = appData.accumulateTC[n];
802 cps->maxNrOfSessions = 1;
807 cps->supportsNPS = UNKNOWN;
808 cps->memSize = FALSE;
809 cps->maxCores = FALSE;
810 cps->egtFormats[0] = NULLCHAR;
813 cps->optionSettings = appData.engOptions[n];
815 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
816 cps->isUCI = appData.isUCI[n]; /* [AS] */
817 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
819 if (appData.protocolVersion[n] > PROTOVER
820 || appData.protocolVersion[n] < 1)
825 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
826 appData.protocolVersion[n]);
827 if( (len >= MSG_SIZ) && appData.debugMode )
828 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
830 DisplayFatalError(buf, 0, 2);
834 cps->protocolVersion = appData.protocolVersion[n];
837 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
838 ParseFeatures(appData.featureDefaults, cps);
841 ChessProgramState *savCps;
847 if(WaitForEngine(savCps, LoadEngine)) return;
848 CommonEngineInit(); // recalculate time odds
849 if(gameInfo.variant != StringToVariant(appData.variant)) {
850 // we changed variant when loading the engine; this forces us to reset
851 Reset(TRUE, savCps != &first);
852 EditGameEvent(); // for consistency with other path, as Reset changes mode
854 InitChessProgram(savCps, FALSE);
855 SendToProgram("force\n", savCps);
856 DisplayMessage("", "");
857 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
858 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
864 ReplaceEngine (ChessProgramState *cps, int n)
868 appData.noChessProgram = FALSE;
869 appData.clockMode = TRUE;
872 if(n) return; // only startup first engine immediately; second can wait
873 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
877 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
878 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
880 static char resetOptions[] =
881 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
882 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
883 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
884 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
887 FloatToFront(char **list, char *engineLine)
889 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
891 if(appData.recentEngines <= 0) return;
892 TidyProgramName(engineLine, "localhost", tidy+1);
893 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
894 strncpy(buf+1, *list, MSG_SIZ-50);
895 if(p = strstr(buf, tidy)) { // tidy name appears in list
896 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
897 while(*p++ = *++q); // squeeze out
899 strcat(tidy, buf+1); // put list behind tidy name
900 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
901 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
902 ASSIGN(*list, tidy+1);
905 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
908 Load (ChessProgramState *cps, int i)
910 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
911 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
912 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
913 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
914 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
915 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
916 appData.firstProtocolVersion = PROTOVER;
917 ParseArgsFromString(buf);
919 ReplaceEngine(cps, i);
920 FloatToFront(&appData.recentEngineList, engineLine);
924 while(q = strchr(p, SLASH)) p = q+1;
925 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
926 if(engineDir[0] != NULLCHAR) {
927 ASSIGN(appData.directory[i], engineDir); p = engineName;
928 } else if(p != engineName) { // derive directory from engine path, when not given
930 ASSIGN(appData.directory[i], engineName);
932 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
933 } else { ASSIGN(appData.directory[i], "."); }
935 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
936 snprintf(command, MSG_SIZ, "%s %s", p, params);
939 ASSIGN(appData.chessProgram[i], p);
940 appData.isUCI[i] = isUCI;
941 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
942 appData.hasOwnBookUCI[i] = hasBook;
943 if(!nickName[0]) useNick = FALSE;
944 if(useNick) ASSIGN(appData.pgnName[i], nickName);
948 q = firstChessProgramNames;
949 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
950 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
951 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
952 quote, p, quote, appData.directory[i],
953 useNick ? " -fn \"" : "",
954 useNick ? nickName : "",
956 v1 ? " -firstProtocolVersion 1" : "",
957 hasBook ? "" : " -fNoOwnBookUCI",
958 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
959 storeVariant ? " -variant " : "",
960 storeVariant ? VariantName(gameInfo.variant) : "");
961 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
962 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
963 if(insert != q) insert[-1] = NULLCHAR;
964 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
966 FloatToFront(&appData.recentEngineList, buf);
968 ReplaceEngine(cps, i);
974 int matched, min, sec;
976 * Parse timeControl resource
978 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
979 appData.movesPerSession)) {
981 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
982 DisplayFatalError(buf, 0, 2);
986 * Parse searchTime resource
988 if (*appData.searchTime != NULLCHAR) {
989 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
991 searchTime = min * 60;
992 } else if (matched == 2) {
993 searchTime = min * 60 + sec;
996 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
997 DisplayFatalError(buf, 0, 2);
1006 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1007 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1009 GetTimeMark(&programStartTime);
1010 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1011 appData.seedBase = random() + (random()<<15);
1012 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1014 ClearProgramStats();
1015 programStats.ok_to_send = 1;
1016 programStats.seen_stat = 0;
1019 * Initialize game list
1025 * Internet chess server status
1027 if (appData.icsActive) {
1028 appData.matchMode = FALSE;
1029 appData.matchGames = 0;
1031 appData.noChessProgram = !appData.zippyPlay;
1033 appData.zippyPlay = FALSE;
1034 appData.zippyTalk = FALSE;
1035 appData.noChessProgram = TRUE;
1037 if (*appData.icsHelper != NULLCHAR) {
1038 appData.useTelnet = TRUE;
1039 appData.telnetProgram = appData.icsHelper;
1042 appData.zippyTalk = appData.zippyPlay = FALSE;
1045 /* [AS] Initialize pv info list [HGM] and game state */
1049 for( i=0; i<=framePtr; i++ ) {
1050 pvInfoList[i].depth = -1;
1051 boards[i][EP_STATUS] = EP_NONE;
1052 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1058 /* [AS] Adjudication threshold */
1059 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1061 InitEngine(&first, 0);
1062 InitEngine(&second, 1);
1065 pairing.which = "pairing"; // pairing engine
1066 pairing.pr = NoProc;
1068 pairing.program = appData.pairingEngine;
1069 pairing.host = "localhost";
1072 if (appData.icsActive) {
1073 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1074 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1075 appData.clockMode = FALSE;
1076 first.sendTime = second.sendTime = 0;
1080 /* Override some settings from environment variables, for backward
1081 compatibility. Unfortunately it's not feasible to have the env
1082 vars just set defaults, at least in xboard. Ugh.
1084 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1089 if (!appData.icsActive) {
1093 /* Check for variants that are supported only in ICS mode,
1094 or not at all. Some that are accepted here nevertheless
1095 have bugs; see comments below.
1097 VariantClass variant = StringToVariant(appData.variant);
1099 case VariantBughouse: /* need four players and two boards */
1100 case VariantKriegspiel: /* need to hide pieces and move details */
1101 /* case VariantFischeRandom: (Fabien: moved below) */
1102 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1103 if( (len >= MSG_SIZ) && appData.debugMode )
1104 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1106 DisplayFatalError(buf, 0, 2);
1109 case VariantUnknown:
1110 case VariantLoadable:
1120 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1121 if( (len >= MSG_SIZ) && appData.debugMode )
1122 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1124 DisplayFatalError(buf, 0, 2);
1127 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1128 case VariantFairy: /* [HGM] TestLegality definitely off! */
1129 case VariantGothic: /* [HGM] should work */
1130 case VariantCapablanca: /* [HGM] should work */
1131 case VariantCourier: /* [HGM] initial forced moves not implemented */
1132 case VariantShogi: /* [HGM] could still mate with pawn drop */
1133 case VariantKnightmate: /* [HGM] should work */
1134 case VariantCylinder: /* [HGM] untested */
1135 case VariantFalcon: /* [HGM] untested */
1136 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1137 offboard interposition not understood */
1138 case VariantNormal: /* definitely works! */
1139 case VariantWildCastle: /* pieces not automatically shuffled */
1140 case VariantNoCastle: /* pieces not automatically shuffled */
1141 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1142 case VariantLosers: /* should work except for win condition,
1143 and doesn't know captures are mandatory */
1144 case VariantSuicide: /* should work except for win condition,
1145 and doesn't know captures are mandatory */
1146 case VariantGiveaway: /* should work except for win condition,
1147 and doesn't know captures are mandatory */
1148 case VariantTwoKings: /* should work */
1149 case VariantAtomic: /* should work except for win condition */
1150 case Variant3Check: /* should work except for win condition */
1151 case VariantShatranj: /* should work except for all win conditions */
1152 case VariantMakruk: /* should work except for draw countdown */
1153 case VariantBerolina: /* might work if TestLegality is off */
1154 case VariantCapaRandom: /* should work */
1155 case VariantJanus: /* should work */
1156 case VariantSuper: /* experimental */
1157 case VariantGreat: /* experimental, requires legality testing to be off */
1158 case VariantSChess: /* S-Chess, should work */
1159 case VariantGrand: /* should work */
1160 case VariantSpartan: /* should work */
1168 NextIntegerFromString (char ** str, long * value)
1173 while( *s == ' ' || *s == '\t' ) {
1179 if( *s >= '0' && *s <= '9' ) {
1180 while( *s >= '0' && *s <= '9' ) {
1181 *value = *value * 10 + (*s - '0');
1194 NextTimeControlFromString (char ** str, long * value)
1197 int result = NextIntegerFromString( str, &temp );
1200 *value = temp * 60; /* Minutes */
1201 if( **str == ':' ) {
1203 result = NextIntegerFromString( str, &temp );
1204 *value += temp; /* Seconds */
1212 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1213 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1214 int result = -1, type = 0; long temp, temp2;
1216 if(**str != ':') return -1; // old params remain in force!
1218 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1219 if( NextIntegerFromString( str, &temp ) ) return -1;
1220 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1223 /* time only: incremental or sudden-death time control */
1224 if(**str == '+') { /* increment follows; read it */
1226 if(**str == '!') type = *(*str)++; // Bronstein TC
1227 if(result = NextIntegerFromString( str, &temp2)) return -1;
1228 *inc = temp2 * 1000;
1229 if(**str == '.') { // read fraction of increment
1230 char *start = ++(*str);
1231 if(result = NextIntegerFromString( str, &temp2)) return -1;
1233 while(start++ < *str) temp2 /= 10;
1237 *moves = 0; *tc = temp * 1000; *incType = type;
1241 (*str)++; /* classical time control */
1242 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1254 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1255 { /* [HGM] get time to add from the multi-session time-control string */
1256 int incType, moves=1; /* kludge to force reading of first session */
1257 long time, increment;
1260 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1262 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1263 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1264 if(movenr == -1) return time; /* last move before new session */
1265 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1266 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1267 if(!moves) return increment; /* current session is incremental */
1268 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1269 } while(movenr >= -1); /* try again for next session */
1271 return 0; // no new time quota on this move
1275 ParseTimeControl (char *tc, float ti, int mps)
1279 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1282 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1283 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1284 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1288 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1290 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1293 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1295 snprintf(buf, MSG_SIZ, ":%s", mytc);
1297 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1299 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1304 /* Parse second time control */
1307 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1315 timeControl_2 = tc2 * 1000;
1325 timeControl = tc1 * 1000;
1328 timeIncrement = ti * 1000; /* convert to ms */
1329 movesPerSession = 0;
1332 movesPerSession = mps;
1340 if (appData.debugMode) {
1341 fprintf(debugFP, "%s\n", programVersion);
1343 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1345 set_cont_sequence(appData.wrapContSeq);
1346 if (appData.matchGames > 0) {
1347 appData.matchMode = TRUE;
1348 } else if (appData.matchMode) {
1349 appData.matchGames = 1;
1351 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1352 appData.matchGames = appData.sameColorGames;
1353 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1354 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1355 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1358 if (appData.noChessProgram || first.protocolVersion == 1) {
1361 /* kludge: allow timeout for initial "feature" commands */
1363 DisplayMessage("", _("Starting chess program"));
1364 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1369 CalculateIndex (int index, int gameNr)
1370 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1372 if(index > 0) return index; // fixed nmber
1373 if(index == 0) return 1;
1374 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1375 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1380 LoadGameOrPosition (int gameNr)
1381 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1382 if (*appData.loadGameFile != NULLCHAR) {
1383 if (!LoadGameFromFile(appData.loadGameFile,
1384 CalculateIndex(appData.loadGameIndex, gameNr),
1385 appData.loadGameFile, FALSE)) {
1386 DisplayFatalError(_("Bad game file"), 0, 1);
1389 } else if (*appData.loadPositionFile != NULLCHAR) {
1390 if (!LoadPositionFromFile(appData.loadPositionFile,
1391 CalculateIndex(appData.loadPositionIndex, gameNr),
1392 appData.loadPositionFile)) {
1393 DisplayFatalError(_("Bad position file"), 0, 1);
1401 ReserveGame (int gameNr, char resChar)
1403 FILE *tf = fopen(appData.tourneyFile, "r+");
1404 char *p, *q, c, buf[MSG_SIZ];
1405 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1406 safeStrCpy(buf, lastMsg, MSG_SIZ);
1407 DisplayMessage(_("Pick new game"), "");
1408 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1409 ParseArgsFromFile(tf);
1410 p = q = appData.results;
1411 if(appData.debugMode) {
1412 char *r = appData.participants;
1413 fprintf(debugFP, "results = '%s'\n", p);
1414 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1415 fprintf(debugFP, "\n");
1417 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1419 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1420 safeStrCpy(q, p, strlen(p) + 2);
1421 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1422 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1423 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1424 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1427 fseek(tf, -(strlen(p)+4), SEEK_END);
1429 if(c != '"') // depending on DOS or Unix line endings we can be one off
1430 fseek(tf, -(strlen(p)+2), SEEK_END);
1431 else fseek(tf, -(strlen(p)+3), SEEK_END);
1432 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1433 DisplayMessage(buf, "");
1434 free(p); appData.results = q;
1435 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1436 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1437 int round = appData.defaultMatchGames * appData.tourneyType;
1438 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1439 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1440 UnloadEngine(&first); // next game belongs to other pairing;
1441 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1443 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1447 MatchEvent (int mode)
1448 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1450 if(matchMode) { // already in match mode: switch it off
1452 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1455 // if(gameMode != BeginningOfGame) {
1456 // DisplayError(_("You can only start a match from the initial position."), 0);
1460 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1461 /* Set up machine vs. machine match */
1463 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1464 if(appData.tourneyFile[0]) {
1466 if(nextGame > appData.matchGames) {
1468 if(strchr(appData.results, '*') == NULL) {
1470 appData.tourneyCycles++;
1471 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1473 NextTourneyGame(-1, &dummy);
1475 if(nextGame <= appData.matchGames) {
1476 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1478 ScheduleDelayedEvent(NextMatchGame, 10000);
1483 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1484 DisplayError(buf, 0);
1485 appData.tourneyFile[0] = 0;
1489 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1490 DisplayFatalError(_("Can't have a match with no chess programs"),
1495 matchGame = roundNr = 1;
1496 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1500 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1503 InitBackEnd3 P((void))
1505 GameMode initialMode;
1509 InitChessProgram(&first, startedFromSetupPosition);
1511 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1512 free(programVersion);
1513 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1514 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1515 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1518 if (appData.icsActive) {
1520 /* [DM] Make a console window if needed [HGM] merged ifs */
1526 if (*appData.icsCommPort != NULLCHAR)
1527 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1528 appData.icsCommPort);
1530 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1531 appData.icsHost, appData.icsPort);
1533 if( (len >= MSG_SIZ) && appData.debugMode )
1534 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1536 DisplayFatalError(buf, err, 1);
1541 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1543 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1544 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1545 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1546 } else if (appData.noChessProgram) {
1552 if (*appData.cmailGameName != NULLCHAR) {
1554 OpenLoopback(&cmailPR);
1556 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1560 DisplayMessage("", "");
1561 if (StrCaseCmp(appData.initialMode, "") == 0) {
1562 initialMode = BeginningOfGame;
1563 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1564 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1565 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1566 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1569 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1570 initialMode = TwoMachinesPlay;
1571 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1572 initialMode = AnalyzeFile;
1573 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1574 initialMode = AnalyzeMode;
1575 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1576 initialMode = MachinePlaysWhite;
1577 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1578 initialMode = MachinePlaysBlack;
1579 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1580 initialMode = EditGame;
1581 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1582 initialMode = EditPosition;
1583 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1584 initialMode = Training;
1586 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1587 if( (len >= MSG_SIZ) && appData.debugMode )
1588 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1590 DisplayFatalError(buf, 0, 2);
1594 if (appData.matchMode) {
1595 if(appData.tourneyFile[0]) { // start tourney from command line
1597 if(f = fopen(appData.tourneyFile, "r")) {
1598 ParseArgsFromFile(f); // make sure tourney parmeters re known
1600 appData.clockMode = TRUE;
1602 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1605 } else if (*appData.cmailGameName != NULLCHAR) {
1606 /* Set up cmail mode */
1607 ReloadCmailMsgEvent(TRUE);
1609 /* Set up other modes */
1610 if (initialMode == AnalyzeFile) {
1611 if (*appData.loadGameFile == NULLCHAR) {
1612 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1616 if (*appData.loadGameFile != NULLCHAR) {
1617 (void) LoadGameFromFile(appData.loadGameFile,
1618 appData.loadGameIndex,
1619 appData.loadGameFile, TRUE);
1620 } else if (*appData.loadPositionFile != NULLCHAR) {
1621 (void) LoadPositionFromFile(appData.loadPositionFile,
1622 appData.loadPositionIndex,
1623 appData.loadPositionFile);
1624 /* [HGM] try to make self-starting even after FEN load */
1625 /* to allow automatic setup of fairy variants with wtm */
1626 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1627 gameMode = BeginningOfGame;
1628 setboardSpoiledMachineBlack = 1;
1630 /* [HGM] loadPos: make that every new game uses the setup */
1631 /* from file as long as we do not switch variant */
1632 if(!blackPlaysFirst) {
1633 startedFromPositionFile = TRUE;
1634 CopyBoard(filePosition, boards[0]);
1637 if (initialMode == AnalyzeMode) {
1638 if (appData.noChessProgram) {
1639 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1642 if (appData.icsActive) {
1643 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1647 } else if (initialMode == AnalyzeFile) {
1648 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1649 ShowThinkingEvent();
1651 AnalysisPeriodicEvent(1);
1652 } else if (initialMode == MachinePlaysWhite) {
1653 if (appData.noChessProgram) {
1654 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1658 if (appData.icsActive) {
1659 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1663 MachineWhiteEvent();
1664 } else if (initialMode == MachinePlaysBlack) {
1665 if (appData.noChessProgram) {
1666 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1670 if (appData.icsActive) {
1671 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1675 MachineBlackEvent();
1676 } else if (initialMode == TwoMachinesPlay) {
1677 if (appData.noChessProgram) {
1678 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1682 if (appData.icsActive) {
1683 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1688 } else if (initialMode == EditGame) {
1690 } else if (initialMode == EditPosition) {
1691 EditPositionEvent();
1692 } else if (initialMode == Training) {
1693 if (*appData.loadGameFile == NULLCHAR) {
1694 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1703 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1705 DisplayBook(current+1);
1707 MoveHistorySet( movelist, first, last, current, pvInfoList );
1709 EvalGraphSet( first, last, current, pvInfoList );
1711 MakeEngineOutputTitle();
1715 * Establish will establish a contact to a remote host.port.
1716 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1717 * used to talk to the host.
1718 * Returns 0 if okay, error code if not.
1725 if (*appData.icsCommPort != NULLCHAR) {
1726 /* Talk to the host through a serial comm port */
1727 return OpenCommPort(appData.icsCommPort, &icsPR);
1729 } else if (*appData.gateway != NULLCHAR) {
1730 if (*appData.remoteShell == NULLCHAR) {
1731 /* Use the rcmd protocol to run telnet program on a gateway host */
1732 snprintf(buf, sizeof(buf), "%s %s %s",
1733 appData.telnetProgram, appData.icsHost, appData.icsPort);
1734 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1737 /* Use the rsh program to run telnet program on a gateway host */
1738 if (*appData.remoteUser == NULLCHAR) {
1739 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1740 appData.gateway, appData.telnetProgram,
1741 appData.icsHost, appData.icsPort);
1743 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1744 appData.remoteShell, appData.gateway,
1745 appData.remoteUser, appData.telnetProgram,
1746 appData.icsHost, appData.icsPort);
1748 return StartChildProcess(buf, "", &icsPR);
1751 } else if (appData.useTelnet) {
1752 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1755 /* TCP socket interface differs somewhat between
1756 Unix and NT; handle details in the front end.
1758 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1763 EscapeExpand (char *p, char *q)
1764 { // [HGM] initstring: routine to shape up string arguments
1765 while(*p++ = *q++) if(p[-1] == '\\')
1767 case 'n': p[-1] = '\n'; break;
1768 case 'r': p[-1] = '\r'; break;
1769 case 't': p[-1] = '\t'; break;
1770 case '\\': p[-1] = '\\'; break;
1771 case 0: *p = 0; return;
1772 default: p[-1] = q[-1]; break;
1777 show_bytes (FILE *fp, char *buf, int count)
1780 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1781 fprintf(fp, "\\%03o", *buf & 0xff);
1790 /* Returns an errno value */
1792 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1794 char buf[8192], *p, *q, *buflim;
1795 int left, newcount, outcount;
1797 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1798 *appData.gateway != NULLCHAR) {
1799 if (appData.debugMode) {
1800 fprintf(debugFP, ">ICS: ");
1801 show_bytes(debugFP, message, count);
1802 fprintf(debugFP, "\n");
1804 return OutputToProcess(pr, message, count, outError);
1807 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1814 if (appData.debugMode) {
1815 fprintf(debugFP, ">ICS: ");
1816 show_bytes(debugFP, buf, newcount);
1817 fprintf(debugFP, "\n");
1819 outcount = OutputToProcess(pr, buf, newcount, outError);
1820 if (outcount < newcount) return -1; /* to be sure */
1827 } else if (((unsigned char) *p) == TN_IAC) {
1828 *q++ = (char) TN_IAC;
1835 if (appData.debugMode) {
1836 fprintf(debugFP, ">ICS: ");
1837 show_bytes(debugFP, buf, newcount);
1838 fprintf(debugFP, "\n");
1840 outcount = OutputToProcess(pr, buf, newcount, outError);
1841 if (outcount < newcount) return -1; /* to be sure */
1846 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1848 int outError, outCount;
1849 static int gotEof = 0;
1852 /* Pass data read from player on to ICS */
1855 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1856 if (outCount < count) {
1857 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1859 if(have_sent_ICS_logon == 2) {
1860 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1861 fprintf(ini, "%s", message);
1862 have_sent_ICS_logon = 3;
1864 have_sent_ICS_logon = 1;
1865 } else if(have_sent_ICS_logon == 3) {
1866 fprintf(ini, "%s", message);
1868 have_sent_ICS_logon = 1;
1870 } else if (count < 0) {
1871 RemoveInputSource(isr);
1872 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1873 } else if (gotEof++ > 0) {
1874 RemoveInputSource(isr);
1875 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1881 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1882 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1883 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1884 SendToICS("date\n");
1885 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1888 /* added routine for printf style output to ics */
1890 ics_printf (char *format, ...)
1892 char buffer[MSG_SIZ];
1895 va_start(args, format);
1896 vsnprintf(buffer, sizeof(buffer), format, args);
1897 buffer[sizeof(buffer)-1] = '\0';
1905 int count, outCount, outError;
1907 if (icsPR == NoProc) return;
1910 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1911 if (outCount < count) {
1912 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1916 /* This is used for sending logon scripts to the ICS. Sending
1917 without a delay causes problems when using timestamp on ICC
1918 (at least on my machine). */
1920 SendToICSDelayed (char *s, long msdelay)
1922 int count, outCount, outError;
1924 if (icsPR == NoProc) return;
1927 if (appData.debugMode) {
1928 fprintf(debugFP, ">ICS: ");
1929 show_bytes(debugFP, s, count);
1930 fprintf(debugFP, "\n");
1932 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1934 if (outCount < count) {
1935 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1940 /* Remove all highlighting escape sequences in s
1941 Also deletes any suffix starting with '('
1944 StripHighlightAndTitle (char *s)
1946 static char retbuf[MSG_SIZ];
1949 while (*s != NULLCHAR) {
1950 while (*s == '\033') {
1951 while (*s != NULLCHAR && !isalpha(*s)) s++;
1952 if (*s != NULLCHAR) s++;
1954 while (*s != NULLCHAR && *s != '\033') {
1955 if (*s == '(' || *s == '[') {
1966 /* Remove all highlighting escape sequences in s */
1968 StripHighlight (char *s)
1970 static char retbuf[MSG_SIZ];
1973 while (*s != NULLCHAR) {
1974 while (*s == '\033') {
1975 while (*s != NULLCHAR && !isalpha(*s)) s++;
1976 if (*s != NULLCHAR) s++;
1978 while (*s != NULLCHAR && *s != '\033') {
1986 char *variantNames[] = VARIANT_NAMES;
1988 VariantName (VariantClass v)
1990 return variantNames[v];
1994 /* Identify a variant from the strings the chess servers use or the
1995 PGN Variant tag names we use. */
1997 StringToVariant (char *e)
2001 VariantClass v = VariantNormal;
2002 int i, found = FALSE;
2008 /* [HGM] skip over optional board-size prefixes */
2009 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2010 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2011 while( *e++ != '_');
2014 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2018 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2019 if (StrCaseStr(e, variantNames[i])) {
2020 v = (VariantClass) i;
2027 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2028 || StrCaseStr(e, "wild/fr")
2029 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2030 v = VariantFischeRandom;
2031 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2032 (i = 1, p = StrCaseStr(e, "w"))) {
2034 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2041 case 0: /* FICS only, actually */
2043 /* Castling legal even if K starts on d-file */
2044 v = VariantWildCastle;
2049 /* Castling illegal even if K & R happen to start in
2050 normal positions. */
2051 v = VariantNoCastle;
2064 /* Castling legal iff K & R start in normal positions */
2070 /* Special wilds for position setup; unclear what to do here */
2071 v = VariantLoadable;
2074 /* Bizarre ICC game */
2075 v = VariantTwoKings;
2078 v = VariantKriegspiel;
2084 v = VariantFischeRandom;
2087 v = VariantCrazyhouse;
2090 v = VariantBughouse;
2096 /* Not quite the same as FICS suicide! */
2097 v = VariantGiveaway;
2103 v = VariantShatranj;
2106 /* Temporary names for future ICC types. The name *will* change in
2107 the next xboard/WinBoard release after ICC defines it. */
2145 v = VariantCapablanca;
2148 v = VariantKnightmate;
2154 v = VariantCylinder;
2160 v = VariantCapaRandom;
2163 v = VariantBerolina;
2175 /* Found "wild" or "w" in the string but no number;
2176 must assume it's normal chess. */
2180 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2181 if( (len >= MSG_SIZ) && appData.debugMode )
2182 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2184 DisplayError(buf, 0);
2190 if (appData.debugMode) {
2191 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2192 e, wnum, VariantName(v));
2197 static int leftover_start = 0, leftover_len = 0;
2198 char star_match[STAR_MATCH_N][MSG_SIZ];
2200 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2201 advance *index beyond it, and set leftover_start to the new value of
2202 *index; else return FALSE. If pattern contains the character '*', it
2203 matches any sequence of characters not containing '\r', '\n', or the
2204 character following the '*' (if any), and the matched sequence(s) are
2205 copied into star_match.
2208 looking_at ( char *buf, int *index, char *pattern)
2210 char *bufp = &buf[*index], *patternp = pattern;
2212 char *matchp = star_match[0];
2215 if (*patternp == NULLCHAR) {
2216 *index = leftover_start = bufp - buf;
2220 if (*bufp == NULLCHAR) return FALSE;
2221 if (*patternp == '*') {
2222 if (*bufp == *(patternp + 1)) {
2224 matchp = star_match[++star_count];
2228 } else if (*bufp == '\n' || *bufp == '\r') {
2230 if (*patternp == NULLCHAR)
2235 *matchp++ = *bufp++;
2239 if (*patternp != *bufp) return FALSE;
2246 SendToPlayer (char *data, int length)
2248 int error, outCount;
2249 outCount = OutputToProcess(NoProc, data, length, &error);
2250 if (outCount < length) {
2251 DisplayFatalError(_("Error writing to display"), error, 1);
2256 PackHolding (char packed[], char *holding)
2266 switch (runlength) {
2277 sprintf(q, "%d", runlength);
2289 /* Telnet protocol requests from the front end */
2291 TelnetRequest (unsigned char ddww, unsigned char option)
2293 unsigned char msg[3];
2294 int outCount, outError;
2296 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2298 if (appData.debugMode) {
2299 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2315 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2324 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2327 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2332 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2334 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2341 if (!appData.icsActive) return;
2342 TelnetRequest(TN_DO, TN_ECHO);
2348 if (!appData.icsActive) return;
2349 TelnetRequest(TN_DONT, TN_ECHO);
2353 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2355 /* put the holdings sent to us by the server on the board holdings area */
2356 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2360 if(gameInfo.holdingsWidth < 2) return;
2361 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2362 return; // prevent overwriting by pre-board holdings
2364 if( (int)lowestPiece >= BlackPawn ) {
2367 holdingsStartRow = BOARD_HEIGHT-1;
2370 holdingsColumn = BOARD_WIDTH-1;
2371 countsColumn = BOARD_WIDTH-2;
2372 holdingsStartRow = 0;
2376 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2377 board[i][holdingsColumn] = EmptySquare;
2378 board[i][countsColumn] = (ChessSquare) 0;
2380 while( (p=*holdings++) != NULLCHAR ) {
2381 piece = CharToPiece( ToUpper(p) );
2382 if(piece == EmptySquare) continue;
2383 /*j = (int) piece - (int) WhitePawn;*/
2384 j = PieceToNumber(piece);
2385 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2386 if(j < 0) continue; /* should not happen */
2387 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2388 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2389 board[holdingsStartRow+j*direction][countsColumn]++;
2395 VariantSwitch (Board board, VariantClass newVariant)
2397 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2398 static Board oldBoard;
2400 startedFromPositionFile = FALSE;
2401 if(gameInfo.variant == newVariant) return;
2403 /* [HGM] This routine is called each time an assignment is made to
2404 * gameInfo.variant during a game, to make sure the board sizes
2405 * are set to match the new variant. If that means adding or deleting
2406 * holdings, we shift the playing board accordingly
2407 * This kludge is needed because in ICS observe mode, we get boards
2408 * of an ongoing game without knowing the variant, and learn about the
2409 * latter only later. This can be because of the move list we requested,
2410 * in which case the game history is refilled from the beginning anyway,
2411 * but also when receiving holdings of a crazyhouse game. In the latter
2412 * case we want to add those holdings to the already received position.
2416 if (appData.debugMode) {
2417 fprintf(debugFP, "Switch board from %s to %s\n",
2418 VariantName(gameInfo.variant), VariantName(newVariant));
2419 setbuf(debugFP, NULL);
2421 shuffleOpenings = 0; /* [HGM] shuffle */
2422 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2426 newWidth = 9; newHeight = 9;
2427 gameInfo.holdingsSize = 7;
2428 case VariantBughouse:
2429 case VariantCrazyhouse:
2430 newHoldingsWidth = 2; break;
2434 newHoldingsWidth = 2;
2435 gameInfo.holdingsSize = 8;
2438 case VariantCapablanca:
2439 case VariantCapaRandom:
2442 newHoldingsWidth = gameInfo.holdingsSize = 0;
2445 if(newWidth != gameInfo.boardWidth ||
2446 newHeight != gameInfo.boardHeight ||
2447 newHoldingsWidth != gameInfo.holdingsWidth ) {
2449 /* shift position to new playing area, if needed */
2450 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2451 for(i=0; i<BOARD_HEIGHT; i++)
2452 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2453 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2455 for(i=0; i<newHeight; i++) {
2456 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2457 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2459 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2460 for(i=0; i<BOARD_HEIGHT; i++)
2461 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2462 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2465 board[HOLDINGS_SET] = 0;
2466 gameInfo.boardWidth = newWidth;
2467 gameInfo.boardHeight = newHeight;
2468 gameInfo.holdingsWidth = newHoldingsWidth;
2469 gameInfo.variant = newVariant;
2470 InitDrawingSizes(-2, 0);
2471 } else gameInfo.variant = newVariant;
2472 CopyBoard(oldBoard, board); // remember correctly formatted board
2473 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2474 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2477 static int loggedOn = FALSE;
2479 /*-- Game start info cache: --*/
2481 char gs_kind[MSG_SIZ];
2482 static char player1Name[128] = "";
2483 static char player2Name[128] = "";
2484 static char cont_seq[] = "\n\\ ";
2485 static int player1Rating = -1;
2486 static int player2Rating = -1;
2487 /*----------------------------*/
2489 ColorClass curColor = ColorNormal;
2490 int suppressKibitz = 0;
2493 Boolean soughtPending = FALSE;
2494 Boolean seekGraphUp;
2495 #define MAX_SEEK_ADS 200
2497 char *seekAdList[MAX_SEEK_ADS];
2498 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2499 float tcList[MAX_SEEK_ADS];
2500 char colorList[MAX_SEEK_ADS];
2501 int nrOfSeekAds = 0;
2502 int minRating = 1010, maxRating = 2800;
2503 int hMargin = 10, vMargin = 20, h, w;
2504 extern int squareSize, lineGap;
2509 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2510 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2511 if(r < minRating+100 && r >=0 ) r = minRating+100;
2512 if(r > maxRating) r = maxRating;
2513 if(tc < 1.f) tc = 1.f;
2514 if(tc > 95.f) tc = 95.f;
2515 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2516 y = ((double)r - minRating)/(maxRating - minRating)
2517 * (h-vMargin-squareSize/8-1) + vMargin;
2518 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2519 if(strstr(seekAdList[i], " u ")) color = 1;
2520 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2521 !strstr(seekAdList[i], "bullet") &&
2522 !strstr(seekAdList[i], "blitz") &&
2523 !strstr(seekAdList[i], "standard") ) color = 2;
2524 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2525 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2529 PlotSingleSeekAd (int i)
2535 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2537 char buf[MSG_SIZ], *ext = "";
2538 VariantClass v = StringToVariant(type);
2539 if(strstr(type, "wild")) {
2540 ext = type + 4; // append wild number
2541 if(v == VariantFischeRandom) type = "chess960"; else
2542 if(v == VariantLoadable) type = "setup"; else
2543 type = VariantName(v);
2545 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2546 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2547 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2548 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2549 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2550 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2551 seekNrList[nrOfSeekAds] = nr;
2552 zList[nrOfSeekAds] = 0;
2553 seekAdList[nrOfSeekAds++] = StrSave(buf);
2554 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2559 EraseSeekDot (int i)
2561 int x = xList[i], y = yList[i], d=squareSize/4, k;
2562 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2563 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2564 // now replot every dot that overlapped
2565 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2566 int xx = xList[k], yy = yList[k];
2567 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2568 DrawSeekDot(xx, yy, colorList[k]);
2573 RemoveSeekAd (int nr)
2576 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2578 if(seekAdList[i]) free(seekAdList[i]);
2579 seekAdList[i] = seekAdList[--nrOfSeekAds];
2580 seekNrList[i] = seekNrList[nrOfSeekAds];
2581 ratingList[i] = ratingList[nrOfSeekAds];
2582 colorList[i] = colorList[nrOfSeekAds];
2583 tcList[i] = tcList[nrOfSeekAds];
2584 xList[i] = xList[nrOfSeekAds];
2585 yList[i] = yList[nrOfSeekAds];
2586 zList[i] = zList[nrOfSeekAds];
2587 seekAdList[nrOfSeekAds] = NULL;
2593 MatchSoughtLine (char *line)
2595 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2596 int nr, base, inc, u=0; char dummy;
2598 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2599 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2601 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2602 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2603 // match: compact and save the line
2604 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2614 if(!seekGraphUp) return FALSE;
2615 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2616 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2618 DrawSeekBackground(0, 0, w, h);
2619 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2620 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2621 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2622 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2624 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2627 snprintf(buf, MSG_SIZ, "%d", i);
2628 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2631 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2632 for(i=1; i<100; i+=(i<10?1:5)) {
2633 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2634 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2635 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2637 snprintf(buf, MSG_SIZ, "%d", i);
2638 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2641 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2646 SeekGraphClick (ClickType click, int x, int y, int moving)
2648 static int lastDown = 0, displayed = 0, lastSecond;
2649 if(y < 0) return FALSE;
2650 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2651 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2652 if(!seekGraphUp) return FALSE;
2653 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2654 DrawPosition(TRUE, NULL);
2657 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2658 if(click == Release || moving) return FALSE;
2660 soughtPending = TRUE;
2661 SendToICS(ics_prefix);
2662 SendToICS("sought\n"); // should this be "sought all"?
2663 } else { // issue challenge based on clicked ad
2664 int dist = 10000; int i, closest = 0, second = 0;
2665 for(i=0; i<nrOfSeekAds; i++) {
2666 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2667 if(d < dist) { dist = d; closest = i; }
2668 second += (d - zList[i] < 120); // count in-range ads
2669 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2673 second = (second > 1);
2674 if(displayed != closest || second != lastSecond) {
2675 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2676 lastSecond = second; displayed = closest;
2678 if(click == Press) {
2679 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2682 } // on press 'hit', only show info
2683 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2684 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2685 SendToICS(ics_prefix);
2687 return TRUE; // let incoming board of started game pop down the graph
2688 } else if(click == Release) { // release 'miss' is ignored
2689 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2690 if(moving == 2) { // right up-click
2691 nrOfSeekAds = 0; // refresh graph
2692 soughtPending = TRUE;
2693 SendToICS(ics_prefix);
2694 SendToICS("sought\n"); // should this be "sought all"?
2697 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2698 // press miss or release hit 'pop down' seek graph
2699 seekGraphUp = FALSE;
2700 DrawPosition(TRUE, NULL);
2706 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2708 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2709 #define STARTED_NONE 0
2710 #define STARTED_MOVES 1
2711 #define STARTED_BOARD 2
2712 #define STARTED_OBSERVE 3
2713 #define STARTED_HOLDINGS 4
2714 #define STARTED_CHATTER 5
2715 #define STARTED_COMMENT 6
2716 #define STARTED_MOVES_NOHIDE 7
2718 static int started = STARTED_NONE;
2719 static char parse[20000];
2720 static int parse_pos = 0;
2721 static char buf[BUF_SIZE + 1];
2722 static int firstTime = TRUE, intfSet = FALSE;
2723 static ColorClass prevColor = ColorNormal;
2724 static int savingComment = FALSE;
2725 static int cmatch = 0; // continuation sequence match
2732 int backup; /* [DM] For zippy color lines */
2734 char talker[MSG_SIZ]; // [HGM] chat
2737 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2739 if (appData.debugMode) {
2741 fprintf(debugFP, "<ICS: ");
2742 show_bytes(debugFP, data, count);
2743 fprintf(debugFP, "\n");
2747 if (appData.debugMode) { int f = forwardMostMove;
2748 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2749 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2750 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2753 /* If last read ended with a partial line that we couldn't parse,
2754 prepend it to the new read and try again. */
2755 if (leftover_len > 0) {
2756 for (i=0; i<leftover_len; i++)
2757 buf[i] = buf[leftover_start + i];
2760 /* copy new characters into the buffer */
2761 bp = buf + leftover_len;
2762 buf_len=leftover_len;
2763 for (i=0; i<count; i++)
2766 if (data[i] == '\r')
2769 // join lines split by ICS?
2770 if (!appData.noJoin)
2773 Joining just consists of finding matches against the
2774 continuation sequence, and discarding that sequence
2775 if found instead of copying it. So, until a match
2776 fails, there's nothing to do since it might be the
2777 complete sequence, and thus, something we don't want
2780 if (data[i] == cont_seq[cmatch])
2783 if (cmatch == strlen(cont_seq))
2785 cmatch = 0; // complete match. just reset the counter
2788 it's possible for the ICS to not include the space
2789 at the end of the last word, making our [correct]
2790 join operation fuse two separate words. the server
2791 does this when the space occurs at the width setting.
2793 if (!buf_len || buf[buf_len-1] != ' ')
2804 match failed, so we have to copy what matched before
2805 falling through and copying this character. In reality,
2806 this will only ever be just the newline character, but
2807 it doesn't hurt to be precise.
2809 strncpy(bp, cont_seq, cmatch);
2821 buf[buf_len] = NULLCHAR;
2822 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2827 while (i < buf_len) {
2828 /* Deal with part of the TELNET option negotiation
2829 protocol. We refuse to do anything beyond the
2830 defaults, except that we allow the WILL ECHO option,
2831 which ICS uses to turn off password echoing when we are
2832 directly connected to it. We reject this option
2833 if localLineEditing mode is on (always on in xboard)
2834 and we are talking to port 23, which might be a real
2835 telnet server that will try to keep WILL ECHO on permanently.
2837 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2838 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2839 unsigned char option;
2841 switch ((unsigned char) buf[++i]) {
2843 if (appData.debugMode)
2844 fprintf(debugFP, "\n<WILL ");
2845 switch (option = (unsigned char) buf[++i]) {
2847 if (appData.debugMode)
2848 fprintf(debugFP, "ECHO ");
2849 /* Reply only if this is a change, according
2850 to the protocol rules. */
2851 if (remoteEchoOption) break;
2852 if (appData.localLineEditing &&
2853 atoi(appData.icsPort) == TN_PORT) {
2854 TelnetRequest(TN_DONT, TN_ECHO);
2857 TelnetRequest(TN_DO, TN_ECHO);
2858 remoteEchoOption = TRUE;
2862 if (appData.debugMode)
2863 fprintf(debugFP, "%d ", option);
2864 /* Whatever this is, we don't want it. */
2865 TelnetRequest(TN_DONT, option);
2870 if (appData.debugMode)
2871 fprintf(debugFP, "\n<WONT ");
2872 switch (option = (unsigned char) buf[++i]) {
2874 if (appData.debugMode)
2875 fprintf(debugFP, "ECHO ");
2876 /* Reply only if this is a change, according
2877 to the protocol rules. */
2878 if (!remoteEchoOption) break;
2880 TelnetRequest(TN_DONT, TN_ECHO);
2881 remoteEchoOption = FALSE;
2884 if (appData.debugMode)
2885 fprintf(debugFP, "%d ", (unsigned char) option);
2886 /* Whatever this is, it must already be turned
2887 off, because we never agree to turn on
2888 anything non-default, so according to the
2889 protocol rules, we don't reply. */
2894 if (appData.debugMode)
2895 fprintf(debugFP, "\n<DO ");
2896 switch (option = (unsigned char) buf[++i]) {
2898 /* Whatever this is, we refuse to do it. */
2899 if (appData.debugMode)
2900 fprintf(debugFP, "%d ", option);
2901 TelnetRequest(TN_WONT, option);
2906 if (appData.debugMode)
2907 fprintf(debugFP, "\n<DONT ");
2908 switch (option = (unsigned char) buf[++i]) {
2910 if (appData.debugMode)
2911 fprintf(debugFP, "%d ", option);
2912 /* Whatever this is, we are already not doing
2913 it, because we never agree to do anything
2914 non-default, so according to the protocol
2915 rules, we don't reply. */
2920 if (appData.debugMode)
2921 fprintf(debugFP, "\n<IAC ");
2922 /* Doubled IAC; pass it through */
2926 if (appData.debugMode)
2927 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2928 /* Drop all other telnet commands on the floor */
2931 if (oldi > next_out)
2932 SendToPlayer(&buf[next_out], oldi - next_out);
2938 /* OK, this at least will *usually* work */
2939 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2943 if (loggedOn && !intfSet) {
2944 if (ics_type == ICS_ICC) {
2945 snprintf(str, MSG_SIZ,
2946 "/set-quietly interface %s\n/set-quietly style 12\n",
2948 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2949 strcat(str, "/set-2 51 1\n/set seek 1\n");
2950 } else if (ics_type == ICS_CHESSNET) {
2951 snprintf(str, MSG_SIZ, "/style 12\n");
2953 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2954 strcat(str, programVersion);
2955 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2956 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2957 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2959 strcat(str, "$iset nohighlight 1\n");
2961 strcat(str, "$iset lock 1\n$style 12\n");
2964 NotifyFrontendLogin();
2968 if (started == STARTED_COMMENT) {
2969 /* Accumulate characters in comment */
2970 parse[parse_pos++] = buf[i];
2971 if (buf[i] == '\n') {
2972 parse[parse_pos] = NULLCHAR;
2973 if(chattingPartner>=0) {
2975 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2976 OutputChatMessage(chattingPartner, mess);
2977 chattingPartner = -1;
2978 next_out = i+1; // [HGM] suppress printing in ICS window
2980 if(!suppressKibitz) // [HGM] kibitz
2981 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2982 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2983 int nrDigit = 0, nrAlph = 0, j;
2984 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2985 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2986 parse[parse_pos] = NULLCHAR;
2987 // try to be smart: if it does not look like search info, it should go to
2988 // ICS interaction window after all, not to engine-output window.
2989 for(j=0; j<parse_pos; j++) { // count letters and digits
2990 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2991 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2992 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2994 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2995 int depth=0; float score;
2996 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2997 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2998 pvInfoList[forwardMostMove-1].depth = depth;
2999 pvInfoList[forwardMostMove-1].score = 100*score;
3001 OutputKibitz(suppressKibitz, parse);
3004 if(gameMode == IcsObserving) // restore original ICS messages
3005 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3007 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3008 SendToPlayer(tmp, strlen(tmp));
3010 next_out = i+1; // [HGM] suppress printing in ICS window
3012 started = STARTED_NONE;
3014 /* Don't match patterns against characters in comment */
3019 if (started == STARTED_CHATTER) {
3020 if (buf[i] != '\n') {
3021 /* Don't match patterns against characters in chatter */
3025 started = STARTED_NONE;
3026 if(suppressKibitz) next_out = i+1;
3029 /* Kludge to deal with rcmd protocol */
3030 if (firstTime && looking_at(buf, &i, "\001*")) {
3031 DisplayFatalError(&buf[1], 0, 1);
3037 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3040 if (appData.debugMode)
3041 fprintf(debugFP, "ics_type %d\n", ics_type);
3044 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3045 ics_type = ICS_FICS;
3047 if (appData.debugMode)
3048 fprintf(debugFP, "ics_type %d\n", ics_type);
3051 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3052 ics_type = ICS_CHESSNET;
3054 if (appData.debugMode)
3055 fprintf(debugFP, "ics_type %d\n", ics_type);
3060 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3061 looking_at(buf, &i, "Logging you in as \"*\"") ||
3062 looking_at(buf, &i, "will be \"*\""))) {
3063 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3067 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3069 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3070 DisplayIcsInteractionTitle(buf);
3071 have_set_title = TRUE;
3074 /* skip finger notes */
3075 if (started == STARTED_NONE &&
3076 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3077 (buf[i] == '1' && buf[i+1] == '0')) &&
3078 buf[i+2] == ':' && buf[i+3] == ' ') {
3079 started = STARTED_CHATTER;
3085 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3086 if(appData.seekGraph) {
3087 if(soughtPending && MatchSoughtLine(buf+i)) {
3088 i = strstr(buf+i, "rated") - buf;
3089 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3090 next_out = leftover_start = i;
3091 started = STARTED_CHATTER;
3092 suppressKibitz = TRUE;
3095 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3096 && looking_at(buf, &i, "* ads displayed")) {
3097 soughtPending = FALSE;
3102 if(appData.autoRefresh) {
3103 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3104 int s = (ics_type == ICS_ICC); // ICC format differs
3106 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3107 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3108 looking_at(buf, &i, "*% "); // eat prompt
3109 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3110 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3111 next_out = i; // suppress
3114 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3115 char *p = star_match[0];
3117 if(seekGraphUp) RemoveSeekAd(atoi(p));
3118 while(*p && *p++ != ' '); // next
3120 looking_at(buf, &i, "*% "); // eat prompt
3121 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3128 /* skip formula vars */
3129 if (started == STARTED_NONE &&
3130 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3131 started = STARTED_CHATTER;
3136 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3137 if (appData.autoKibitz && started == STARTED_NONE &&
3138 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3139 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3140 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3141 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3142 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3143 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3144 suppressKibitz = TRUE;
3145 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3147 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3148 && (gameMode == IcsPlayingWhite)) ||
3149 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3150 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3151 started = STARTED_CHATTER; // own kibitz we simply discard
3153 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3154 parse_pos = 0; parse[0] = NULLCHAR;
3155 savingComment = TRUE;
3156 suppressKibitz = gameMode != IcsObserving ? 2 :
3157 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3161 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3162 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3163 && atoi(star_match[0])) {
3164 // suppress the acknowledgements of our own autoKibitz
3166 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3167 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3168 SendToPlayer(star_match[0], strlen(star_match[0]));
3169 if(looking_at(buf, &i, "*% ")) // eat prompt
3170 suppressKibitz = FALSE;
3174 } // [HGM] kibitz: end of patch
3176 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3178 // [HGM] chat: intercept tells by users for which we have an open chat window
3180 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3181 looking_at(buf, &i, "* whispers:") ||
3182 looking_at(buf, &i, "* kibitzes:") ||
3183 looking_at(buf, &i, "* shouts:") ||
3184 looking_at(buf, &i, "* c-shouts:") ||
3185 looking_at(buf, &i, "--> * ") ||
3186 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3187 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3188 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3189 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3191 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3192 chattingPartner = -1;
3194 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3195 for(p=0; p<MAX_CHAT; p++) {
3196 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3197 talker[0] = '['; strcat(talker, "] ");
3198 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3199 chattingPartner = p; break;
3202 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3203 for(p=0; p<MAX_CHAT; p++) {
3204 if(!strcmp("kibitzes", chatPartner[p])) {
3205 talker[0] = '['; strcat(talker, "] ");
3206 chattingPartner = p; break;
3209 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3210 for(p=0; p<MAX_CHAT; p++) {
3211 if(!strcmp("whispers", chatPartner[p])) {
3212 talker[0] = '['; strcat(talker, "] ");
3213 chattingPartner = p; break;
3216 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3217 if(buf[i-8] == '-' && buf[i-3] == 't')
3218 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3219 if(!strcmp("c-shouts", chatPartner[p])) {
3220 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3221 chattingPartner = p; break;
3224 if(chattingPartner < 0)
3225 for(p=0; p<MAX_CHAT; p++) {
3226 if(!strcmp("shouts", chatPartner[p])) {
3227 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3228 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3229 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3230 chattingPartner = p; break;
3234 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3235 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3236 talker[0] = 0; Colorize(ColorTell, FALSE);
3237 chattingPartner = p; break;
3239 if(chattingPartner<0) i = oldi; else {
3240 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3241 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3242 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3243 started = STARTED_COMMENT;
3244 parse_pos = 0; parse[0] = NULLCHAR;
3245 savingComment = 3 + chattingPartner; // counts as TRUE
3246 suppressKibitz = TRUE;
3249 } // [HGM] chat: end of patch
3252 if (appData.zippyTalk || appData.zippyPlay) {
3253 /* [DM] Backup address for color zippy lines */
3255 if (loggedOn == TRUE)
3256 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3257 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3259 } // [DM] 'else { ' deleted
3261 /* Regular tells and says */
3262 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3263 looking_at(buf, &i, "* (your partner) tells you: ") ||
3264 looking_at(buf, &i, "* says: ") ||
3265 /* Don't color "message" or "messages" output */
3266 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3267 looking_at(buf, &i, "*. * at *:*: ") ||
3268 looking_at(buf, &i, "--* (*:*): ") ||
3269 /* Message notifications (same color as tells) */
3270 looking_at(buf, &i, "* has left a message ") ||
3271 looking_at(buf, &i, "* just sent you a message:\n") ||
3272 /* Whispers and kibitzes */
3273 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3274 looking_at(buf, &i, "* kibitzes: ") ||
3276 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3278 if (tkind == 1 && strchr(star_match[0], ':')) {
3279 /* Avoid "tells you:" spoofs in channels */
3282 if (star_match[0][0] == NULLCHAR ||
3283 strchr(star_match[0], ' ') ||
3284 (tkind == 3 && strchr(star_match[1], ' '))) {
3285 /* Reject bogus matches */
3288 if (appData.colorize) {
3289 if (oldi > next_out) {
3290 SendToPlayer(&buf[next_out], oldi - next_out);
3295 Colorize(ColorTell, FALSE);
3296 curColor = ColorTell;
3299 Colorize(ColorKibitz, FALSE);
3300 curColor = ColorKibitz;
3303 p = strrchr(star_match[1], '(');
3310 Colorize(ColorChannel1, FALSE);
3311 curColor = ColorChannel1;
3313 Colorize(ColorChannel, FALSE);
3314 curColor = ColorChannel;
3318 curColor = ColorNormal;
3322 if (started == STARTED_NONE && appData.autoComment &&
3323 (gameMode == IcsObserving ||
3324 gameMode == IcsPlayingWhite ||
3325 gameMode == IcsPlayingBlack)) {
3326 parse_pos = i - oldi;
3327 memcpy(parse, &buf[oldi], parse_pos);
3328 parse[parse_pos] = NULLCHAR;
3329 started = STARTED_COMMENT;
3330 savingComment = TRUE;
3332 started = STARTED_CHATTER;
3333 savingComment = FALSE;
3340 if (looking_at(buf, &i, "* s-shouts: ") ||
3341 looking_at(buf, &i, "* c-shouts: ")) {
3342 if (appData.colorize) {
3343 if (oldi > next_out) {
3344 SendToPlayer(&buf[next_out], oldi - next_out);
3347 Colorize(ColorSShout, FALSE);
3348 curColor = ColorSShout;
3351 started = STARTED_CHATTER;
3355 if (looking_at(buf, &i, "--->")) {
3360 if (looking_at(buf, &i, "* shouts: ") ||
3361 looking_at(buf, &i, "--> ")) {
3362 if (appData.colorize) {
3363 if (oldi > next_out) {
3364 SendToPlayer(&buf[next_out], oldi - next_out);
3367 Colorize(ColorShout, FALSE);
3368 curColor = ColorShout;
3371 started = STARTED_CHATTER;
3375 if (looking_at( buf, &i, "Challenge:")) {
3376 if (appData.colorize) {
3377 if (oldi > next_out) {
3378 SendToPlayer(&buf[next_out], oldi - next_out);
3381 Colorize(ColorChallenge, FALSE);
3382 curColor = ColorChallenge;
3388 if (looking_at(buf, &i, "* offers you") ||
3389 looking_at(buf, &i, "* offers to be") ||
3390 looking_at(buf, &i, "* would like to") ||
3391 looking_at(buf, &i, "* requests to") ||
3392 looking_at(buf, &i, "Your opponent offers") ||
3393 looking_at(buf, &i, "Your opponent requests")) {
3395 if (appData.colorize) {
3396 if (oldi > next_out) {
3397 SendToPlayer(&buf[next_out], oldi - next_out);
3400 Colorize(ColorRequest, FALSE);
3401 curColor = ColorRequest;
3406 if (looking_at(buf, &i, "* (*) seeking")) {
3407 if (appData.colorize) {
3408 if (oldi > next_out) {
3409 SendToPlayer(&buf[next_out], oldi - next_out);
3412 Colorize(ColorSeek, FALSE);
3413 curColor = ColorSeek;
3418 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3420 if (looking_at(buf, &i, "\\ ")) {
3421 if (prevColor != ColorNormal) {
3422 if (oldi > next_out) {
3423 SendToPlayer(&buf[next_out], oldi - next_out);
3426 Colorize(prevColor, TRUE);
3427 curColor = prevColor;
3429 if (savingComment) {
3430 parse_pos = i - oldi;
3431 memcpy(parse, &buf[oldi], parse_pos);
3432 parse[parse_pos] = NULLCHAR;
3433 started = STARTED_COMMENT;
3434 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3435 chattingPartner = savingComment - 3; // kludge to remember the box
3437 started = STARTED_CHATTER;
3442 if (looking_at(buf, &i, "Black Strength :") ||
3443 looking_at(buf, &i, "<<< style 10 board >>>") ||
3444 looking_at(buf, &i, "<10>") ||
3445 looking_at(buf, &i, "#@#")) {
3446 /* Wrong board style */
3448 SendToICS(ics_prefix);
3449 SendToICS("set style 12\n");
3450 SendToICS(ics_prefix);
3451 SendToICS("refresh\n");
3455 if (looking_at(buf, &i, "login:")) {
3456 if (!have_sent_ICS_logon) {
3458 have_sent_ICS_logon = 1;
3459 else // no init script was found
3460 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3461 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3462 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3467 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3468 (looking_at(buf, &i, "\n<12> ") ||
3469 looking_at(buf, &i, "<12> "))) {
3471 if (oldi > next_out) {
3472 SendToPlayer(&buf[next_out], oldi - next_out);
3475 started = STARTED_BOARD;
3480 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3481 looking_at(buf, &i, "<b1> ")) {
3482 if (oldi > next_out) {
3483 SendToPlayer(&buf[next_out], oldi - next_out);
3486 started = STARTED_HOLDINGS;
3491 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3493 /* Header for a move list -- first line */
3495 switch (ics_getting_history) {
3499 case BeginningOfGame:
3500 /* User typed "moves" or "oldmoves" while we
3501 were idle. Pretend we asked for these
3502 moves and soak them up so user can step
3503 through them and/or save them.
3506 gameMode = IcsObserving;
3509 ics_getting_history = H_GOT_UNREQ_HEADER;
3511 case EditGame: /*?*/
3512 case EditPosition: /*?*/
3513 /* Should above feature work in these modes too? */
3514 /* For now it doesn't */
3515 ics_getting_history = H_GOT_UNWANTED_HEADER;
3518 ics_getting_history = H_GOT_UNWANTED_HEADER;
3523 /* Is this the right one? */
3524 if (gameInfo.white && gameInfo.black &&
3525 strcmp(gameInfo.white, star_match[0]) == 0 &&
3526 strcmp(gameInfo.black, star_match[2]) == 0) {
3528 ics_getting_history = H_GOT_REQ_HEADER;
3531 case H_GOT_REQ_HEADER:
3532 case H_GOT_UNREQ_HEADER:
3533 case H_GOT_UNWANTED_HEADER:
3534 case H_GETTING_MOVES:
3535 /* Should not happen */
3536 DisplayError(_("Error gathering move list: two headers"), 0);
3537 ics_getting_history = H_FALSE;
3541 /* Save player ratings into gameInfo if needed */
3542 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3543 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3544 (gameInfo.whiteRating == -1 ||
3545 gameInfo.blackRating == -1)) {
3547 gameInfo.whiteRating = string_to_rating(star_match[1]);
3548 gameInfo.blackRating = string_to_rating(star_match[3]);
3549 if (appData.debugMode)
3550 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3551 gameInfo.whiteRating, gameInfo.blackRating);
3556 if (looking_at(buf, &i,
3557 "* * match, initial time: * minute*, increment: * second")) {
3558 /* Header for a move list -- second line */
3559 /* Initial board will follow if this is a wild game */
3560 if (gameInfo.event != NULL) free(gameInfo.event);
3561 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3562 gameInfo.event = StrSave(str);
3563 /* [HGM] we switched variant. Translate boards if needed. */
3564 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3568 if (looking_at(buf, &i, "Move ")) {
3569 /* Beginning of a move list */
3570 switch (ics_getting_history) {
3572 /* Normally should not happen */
3573 /* Maybe user hit reset while we were parsing */
3576 /* Happens if we are ignoring a move list that is not
3577 * the one we just requested. Common if the user
3578 * tries to observe two games without turning off
3581 case H_GETTING_MOVES:
3582 /* Should not happen */
3583 DisplayError(_("Error gathering move list: nested"), 0);
3584 ics_getting_history = H_FALSE;
3586 case H_GOT_REQ_HEADER:
3587 ics_getting_history = H_GETTING_MOVES;
3588 started = STARTED_MOVES;
3590 if (oldi > next_out) {
3591 SendToPlayer(&buf[next_out], oldi - next_out);
3594 case H_GOT_UNREQ_HEADER:
3595 ics_getting_history = H_GETTING_MOVES;
3596 started = STARTED_MOVES_NOHIDE;
3599 case H_GOT_UNWANTED_HEADER:
3600 ics_getting_history = H_FALSE;
3606 if (looking_at(buf, &i, "% ") ||
3607 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3608 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3609 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3610 soughtPending = FALSE;
3614 if(suppressKibitz) next_out = i;
3615 savingComment = FALSE;
3619 case STARTED_MOVES_NOHIDE:
3620 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3621 parse[parse_pos + i - oldi] = NULLCHAR;
3622 ParseGameHistory(parse);
3624 if (appData.zippyPlay && first.initDone) {
3625 FeedMovesToProgram(&first, forwardMostMove);
3626 if (gameMode == IcsPlayingWhite) {
3627 if (WhiteOnMove(forwardMostMove)) {
3628 if (first.sendTime) {
3629 if (first.useColors) {
3630 SendToProgram("black\n", &first);
3632 SendTimeRemaining(&first, TRUE);
3634 if (first.useColors) {
3635 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3637 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3638 first.maybeThinking = TRUE;
3640 if (first.usePlayother) {
3641 if (first.sendTime) {
3642 SendTimeRemaining(&first, TRUE);
3644 SendToProgram("playother\n", &first);
3650 } else if (gameMode == IcsPlayingBlack) {
3651 if (!WhiteOnMove(forwardMostMove)) {
3652 if (first.sendTime) {
3653 if (first.useColors) {
3654 SendToProgram("white\n", &first);
3656 SendTimeRemaining(&first, FALSE);
3658 if (first.useColors) {
3659 SendToProgram("black\n", &first);
3661 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3662 first.maybeThinking = TRUE;
3664 if (first.usePlayother) {
3665 if (first.sendTime) {
3666 SendTimeRemaining(&first, FALSE);
3668 SendToProgram("playother\n", &first);
3677 if (gameMode == IcsObserving && ics_gamenum == -1) {
3678 /* Moves came from oldmoves or moves command
3679 while we weren't doing anything else.
3681 currentMove = forwardMostMove;
3682 ClearHighlights();/*!!could figure this out*/
3683 flipView = appData.flipView;
3684 DrawPosition(TRUE, boards[currentMove]);
3685 DisplayBothClocks();
3686 snprintf(str, MSG_SIZ, "%s %s %s",
3687 gameInfo.white, _("vs."), gameInfo.black);
3691 /* Moves were history of an active game */
3692 if (gameInfo.resultDetails != NULL) {
3693 free(gameInfo.resultDetails);
3694 gameInfo.resultDetails = NULL;
3697 HistorySet(parseList, backwardMostMove,
3698 forwardMostMove, currentMove-1);
3699 DisplayMove(currentMove - 1);
3700 if (started == STARTED_MOVES) next_out = i;
3701 started = STARTED_NONE;
3702 ics_getting_history = H_FALSE;
3705 case STARTED_OBSERVE:
3706 started = STARTED_NONE;
3707 SendToICS(ics_prefix);
3708 SendToICS("refresh\n");
3714 if(bookHit) { // [HGM] book: simulate book reply
3715 static char bookMove[MSG_SIZ]; // a bit generous?
3717 programStats.nodes = programStats.depth = programStats.time =
3718 programStats.score = programStats.got_only_move = 0;
3719 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3721 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3722 strcat(bookMove, bookHit);
3723 HandleMachineMove(bookMove, &first);
3728 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3729 started == STARTED_HOLDINGS ||
3730 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3731 /* Accumulate characters in move list or board */
3732 parse[parse_pos++] = buf[i];
3735 /* Start of game messages. Mostly we detect start of game
3736 when the first board image arrives. On some versions
3737 of the ICS, though, we need to do a "refresh" after starting
3738 to observe in order to get the current board right away. */
3739 if (looking_at(buf, &i, "Adding game * to observation list")) {
3740 started = STARTED_OBSERVE;
3744 /* Handle auto-observe */
3745 if (appData.autoObserve &&
3746 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3747 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3749 /* Choose the player that was highlighted, if any. */
3750 if (star_match[0][0] == '\033' ||
3751 star_match[1][0] != '\033') {
3752 player = star_match[0];
3754 player = star_match[2];
3756 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3757 ics_prefix, StripHighlightAndTitle(player));
3760 /* Save ratings from notify string */
3761 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3762 player1Rating = string_to_rating(star_match[1]);
3763 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3764 player2Rating = string_to_rating(star_match[3]);
3766 if (appData.debugMode)
3768 "Ratings from 'Game notification:' %s %d, %s %d\n",
3769 player1Name, player1Rating,
3770 player2Name, player2Rating);
3775 /* Deal with automatic examine mode after a game,
3776 and with IcsObserving -> IcsExamining transition */
3777 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3778 looking_at(buf, &i, "has made you an examiner of game *")) {
3780 int gamenum = atoi(star_match[0]);
3781 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3782 gamenum == ics_gamenum) {
3783 /* We were already playing or observing this game;
3784 no need to refetch history */
3785 gameMode = IcsExamining;
3787 pauseExamForwardMostMove = forwardMostMove;
3788 } else if (currentMove < forwardMostMove) {
3789 ForwardInner(forwardMostMove);
3792 /* I don't think this case really can happen */
3793 SendToICS(ics_prefix);
3794 SendToICS("refresh\n");
3799 /* Error messages */
3800 // if (ics_user_moved) {
3801 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3802 if (looking_at(buf, &i, "Illegal move") ||
3803 looking_at(buf, &i, "Not a legal move") ||
3804 looking_at(buf, &i, "Your king is in check") ||
3805 looking_at(buf, &i, "It isn't your turn") ||
3806 looking_at(buf, &i, "It is not your move")) {
3808 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3809 currentMove = forwardMostMove-1;
3810 DisplayMove(currentMove - 1); /* before DMError */
3811 DrawPosition(FALSE, boards[currentMove]);
3812 SwitchClocks(forwardMostMove-1); // [HGM] race
3813 DisplayBothClocks();
3815 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3821 if (looking_at(buf, &i, "still have time") ||
3822 looking_at(buf, &i, "not out of time") ||
3823 looking_at(buf, &i, "either player is out of time") ||
3824 looking_at(buf, &i, "has timeseal; checking")) {
3825 /* We must have called his flag a little too soon */
3826 whiteFlag = blackFlag = FALSE;
3830 if (looking_at(buf, &i, "added * seconds to") ||
3831 looking_at(buf, &i, "seconds were added to")) {
3832 /* Update the clocks */
3833 SendToICS(ics_prefix);
3834 SendToICS("refresh\n");
3838 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3839 ics_clock_paused = TRUE;
3844 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3845 ics_clock_paused = FALSE;
3850 /* Grab player ratings from the Creating: message.
3851 Note we have to check for the special case when
3852 the ICS inserts things like [white] or [black]. */
3853 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3854 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3856 0 player 1 name (not necessarily white)
3858 2 empty, white, or black (IGNORED)
3859 3 player 2 name (not necessarily black)
3862 The names/ratings are sorted out when the game
3863 actually starts (below).
3865 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3866 player1Rating = string_to_rating(star_match[1]);
3867 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3868 player2Rating = string_to_rating(star_match[4]);
3870 if (appData.debugMode)
3872 "Ratings from 'Creating:' %s %d, %s %d\n",
3873 player1Name, player1Rating,
3874 player2Name, player2Rating);
3879 /* Improved generic start/end-of-game messages */
3880 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3881 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3882 /* If tkind == 0: */
3883 /* star_match[0] is the game number */
3884 /* [1] is the white player's name */
3885 /* [2] is the black player's name */
3886 /* For end-of-game: */
3887 /* [3] is the reason for the game end */
3888 /* [4] is a PGN end game-token, preceded by " " */
3889 /* For start-of-game: */
3890 /* [3] begins with "Creating" or "Continuing" */
3891 /* [4] is " *" or empty (don't care). */
3892 int gamenum = atoi(star_match[0]);
3893 char *whitename, *blackname, *why, *endtoken;
3894 ChessMove endtype = EndOfFile;
3897 whitename = star_match[1];
3898 blackname = star_match[2];
3899 why = star_match[3];
3900 endtoken = star_match[4];
3902 whitename = star_match[1];
3903 blackname = star_match[3];
3904 why = star_match[5];
3905 endtoken = star_match[6];
3908 /* Game start messages */
3909 if (strncmp(why, "Creating ", 9) == 0 ||
3910 strncmp(why, "Continuing ", 11) == 0) {
3911 gs_gamenum = gamenum;
3912 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3913 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3914 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3916 if (appData.zippyPlay) {
3917 ZippyGameStart(whitename, blackname);
3920 partnerBoardValid = FALSE; // [HGM] bughouse
3924 /* Game end messages */
3925 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3926 ics_gamenum != gamenum) {
3929 while (endtoken[0] == ' ') endtoken++;
3930 switch (endtoken[0]) {
3933 endtype = GameUnfinished;
3936 endtype = BlackWins;
3939 if (endtoken[1] == '/')
3940 endtype = GameIsDrawn;
3942 endtype = WhiteWins;
3945 GameEnds(endtype, why, GE_ICS);
3947 if (appData.zippyPlay && first.initDone) {
3948 ZippyGameEnd(endtype, why);
3949 if (first.pr == NoProc) {
3950 /* Start the next process early so that we'll
3951 be ready for the next challenge */
3952 StartChessProgram(&first);
3954 /* Send "new" early, in case this command takes
3955 a long time to finish, so that we'll be ready
3956 for the next challenge. */
3957 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3961 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3965 if (looking_at(buf, &i, "Removing game * from observation") ||
3966 looking_at(buf, &i, "no longer observing game *") ||
3967 looking_at(buf, &i, "Game * (*) has no examiners")) {
3968 if (gameMode == IcsObserving &&
3969 atoi(star_match[0]) == ics_gamenum)
3971 /* icsEngineAnalyze */
3972 if (appData.icsEngineAnalyze) {
3979 ics_user_moved = FALSE;
3984 if (looking_at(buf, &i, "no longer examining game *")) {
3985 if (gameMode == IcsExamining &&
3986 atoi(star_match[0]) == ics_gamenum)
3990 ics_user_moved = FALSE;
3995 /* Advance leftover_start past any newlines we find,
3996 so only partial lines can get reparsed */
3997 if (looking_at(buf, &i, "\n")) {
3998 prevColor = curColor;
3999 if (curColor != ColorNormal) {
4000 if (oldi > next_out) {
4001 SendToPlayer(&buf[next_out], oldi - next_out);
4004 Colorize(ColorNormal, FALSE);
4005 curColor = ColorNormal;
4007 if (started == STARTED_BOARD) {
4008 started = STARTED_NONE;
4009 parse[parse_pos] = NULLCHAR;
4010 ParseBoard12(parse);
4013 /* Send premove here */
4014 if (appData.premove) {
4016 if (currentMove == 0 &&
4017 gameMode == IcsPlayingWhite &&
4018 appData.premoveWhite) {
4019 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4020 if (appData.debugMode)
4021 fprintf(debugFP, "Sending premove:\n");
4023 } else if (currentMove == 1 &&
4024 gameMode == IcsPlayingBlack &&
4025 appData.premoveBlack) {
4026 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4027 if (appData.debugMode)
4028 fprintf(debugFP, "Sending premove:\n");
4030 } else if (gotPremove) {
4032 ClearPremoveHighlights();
4033 if (appData.debugMode)
4034 fprintf(debugFP, "Sending premove:\n");
4035 UserMoveEvent(premoveFromX, premoveFromY,
4036 premoveToX, premoveToY,
4041 /* Usually suppress following prompt */
4042 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4043 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4044 if (looking_at(buf, &i, "*% ")) {
4045 savingComment = FALSE;
4050 } else if (started == STARTED_HOLDINGS) {
4052 char new_piece[MSG_SIZ];
4053 started = STARTED_NONE;
4054 parse[parse_pos] = NULLCHAR;
4055 if (appData.debugMode)
4056 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4057 parse, currentMove);
4058 if (sscanf(parse, " game %d", &gamenum) == 1) {
4059 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4060 if (gameInfo.variant == VariantNormal) {
4061 /* [HGM] We seem to switch variant during a game!
4062 * Presumably no holdings were displayed, so we have
4063 * to move the position two files to the right to
4064 * create room for them!
4066 VariantClass newVariant;
4067 switch(gameInfo.boardWidth) { // base guess on board width
4068 case 9: newVariant = VariantShogi; break;
4069 case 10: newVariant = VariantGreat; break;
4070 default: newVariant = VariantCrazyhouse; break;
4072 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4073 /* Get a move list just to see the header, which
4074 will tell us whether this is really bug or zh */
4075 if (ics_getting_history == H_FALSE) {
4076 ics_getting_history = H_REQUESTED;
4077 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4081 new_piece[0] = NULLCHAR;
4082 sscanf(parse, "game %d white [%s black [%s <- %s",
4083 &gamenum, white_holding, black_holding,
4085 white_holding[strlen(white_holding)-1] = NULLCHAR;
4086 black_holding[strlen(black_holding)-1] = NULLCHAR;
4087 /* [HGM] copy holdings to board holdings area */
4088 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4089 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4090 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4092 if (appData.zippyPlay && first.initDone) {
4093 ZippyHoldings(white_holding, black_holding,
4097 if (tinyLayout || smallLayout) {
4098 char wh[16], bh[16];
4099 PackHolding(wh, white_holding);
4100 PackHolding(bh, black_holding);
4101 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4102 gameInfo.white, gameInfo.black);
4104 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4105 gameInfo.white, white_holding, _("vs."),
4106 gameInfo.black, black_holding);
4108 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4109 DrawPosition(FALSE, boards[currentMove]);
4111 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4112 sscanf(parse, "game %d white [%s black [%s <- %s",
4113 &gamenum, white_holding, black_holding,
4115 white_holding[strlen(white_holding)-1] = NULLCHAR;
4116 black_holding[strlen(black_holding)-1] = NULLCHAR;
4117 /* [HGM] copy holdings to partner-board holdings area */
4118 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4119 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4120 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4121 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4122 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4125 /* Suppress following prompt */
4126 if (looking_at(buf, &i, "*% ")) {
4127 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4128 savingComment = FALSE;
4136 i++; /* skip unparsed character and loop back */
4139 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4140 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4141 // SendToPlayer(&buf[next_out], i - next_out);
4142 started != STARTED_HOLDINGS && leftover_start > next_out) {
4143 SendToPlayer(&buf[next_out], leftover_start - next_out);
4147 leftover_len = buf_len - leftover_start;
4148 /* if buffer ends with something we couldn't parse,
4149 reparse it after appending the next read */
4151 } else if (count == 0) {
4152 RemoveInputSource(isr);
4153 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4155 DisplayFatalError(_("Error reading from ICS"), error, 1);
4160 /* Board style 12 looks like this:
4162 <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
4164 * The "<12> " is stripped before it gets to this routine. The two
4165 * trailing 0's (flip state and clock ticking) are later addition, and
4166 * some chess servers may not have them, or may have only the first.
4167 * Additional trailing fields may be added in the future.
4170 #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"
4172 #define RELATION_OBSERVING_PLAYED 0
4173 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4174 #define RELATION_PLAYING_MYMOVE 1
4175 #define RELATION_PLAYING_NOTMYMOVE -1
4176 #define RELATION_EXAMINING 2
4177 #define RELATION_ISOLATED_BOARD -3
4178 #define RELATION_STARTING_POSITION -4 /* FICS only */
4181 ParseBoard12 (char *string)
4185 char *bookHit = NULL; // [HGM] book
4187 GameMode newGameMode;
4188 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4189 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4190 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4191 char to_play, board_chars[200];
4192 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4193 char black[32], white[32];
4195 int prevMove = currentMove;
4198 int fromX, fromY, toX, toY;
4200 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4201 Boolean weird = FALSE, reqFlag = FALSE;
4203 fromX = fromY = toX = toY = -1;
4207 if (appData.debugMode)
4208 fprintf(debugFP, _("Parsing board: %s\n"), string);
4210 move_str[0] = NULLCHAR;
4211 elapsed_time[0] = NULLCHAR;
4212 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4214 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4215 if(string[i] == ' ') { ranks++; files = 0; }
4217 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4220 for(j = 0; j <i; j++) board_chars[j] = string[j];
4221 board_chars[i] = '\0';
4224 n = sscanf(string, PATTERN, &to_play, &double_push,
4225 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4226 &gamenum, white, black, &relation, &basetime, &increment,
4227 &white_stren, &black_stren, &white_time, &black_time,
4228 &moveNum, str, elapsed_time, move_str, &ics_flip,
4232 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4233 DisplayError(str, 0);
4237 /* Convert the move number to internal form */
4238 moveNum = (moveNum - 1) * 2;
4239 if (to_play == 'B') moveNum++;
4240 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4241 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4247 case RELATION_OBSERVING_PLAYED:
4248 case RELATION_OBSERVING_STATIC:
4249 if (gamenum == -1) {
4250 /* Old ICC buglet */
4251 relation = RELATION_OBSERVING_STATIC;
4253 newGameMode = IcsObserving;
4255 case RELATION_PLAYING_MYMOVE:
4256 case RELATION_PLAYING_NOTMYMOVE:
4258 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4259 IcsPlayingWhite : IcsPlayingBlack;
4260 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4262 case RELATION_EXAMINING:
4263 newGameMode = IcsExamining;
4265 case RELATION_ISOLATED_BOARD:
4267 /* Just display this board. If user was doing something else,
4268 we will forget about it until the next board comes. */
4269 newGameMode = IcsIdle;
4271 case RELATION_STARTING_POSITION:
4272 newGameMode = gameMode;
4276 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4277 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4278 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4279 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4280 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4281 static int lastBgGame = -1;
4283 for (k = 0; k < ranks; k++) {
4284 for (j = 0; j < files; j++)
4285 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4286 if(gameInfo.holdingsWidth > 1) {
4287 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4288 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4291 CopyBoard(partnerBoard, board);
4292 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4293 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4294 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4295 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4296 if(toSqr = strchr(str, '-')) {
4297 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4298 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4299 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4300 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4301 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4302 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4304 DisplayWhiteClock(white_time*fac, to_play == 'W');
4305 DisplayBlackClock(black_time*fac, to_play != 'W');
4306 activePartner = to_play;
4307 if(gamenum != lastBgGame) {
4309 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4312 lastBgGame = gamenum;
4313 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4314 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4315 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4316 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4317 DisplayMessage(partnerStatus, "");
4318 partnerBoardValid = TRUE;
4322 if(appData.dualBoard && appData.bgObserve) {
4323 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4324 SendToICS(ics_prefix), SendToICS("pobserve\n");
4325 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4327 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4332 /* Modify behavior for initial board display on move listing
4335 switch (ics_getting_history) {
4339 case H_GOT_REQ_HEADER:
4340 case H_GOT_UNREQ_HEADER:
4341 /* This is the initial position of the current game */
4342 gamenum = ics_gamenum;
4343 moveNum = 0; /* old ICS bug workaround */
4344 if (to_play == 'B') {
4345 startedFromSetupPosition = TRUE;
4346 blackPlaysFirst = TRUE;
4348 if (forwardMostMove == 0) forwardMostMove = 1;
4349 if (backwardMostMove == 0) backwardMostMove = 1;
4350 if (currentMove == 0) currentMove = 1;
4352 newGameMode = gameMode;
4353 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4355 case H_GOT_UNWANTED_HEADER:
4356 /* This is an initial board that we don't want */
4358 case H_GETTING_MOVES:
4359 /* Should not happen */
4360 DisplayError(_("Error gathering move list: extra board"), 0);
4361 ics_getting_history = H_FALSE;
4365 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4366 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4367 weird && (int)gameInfo.variant < (int)VariantShogi) {
4368 /* [HGM] We seem to have switched variant unexpectedly
4369 * Try to guess new variant from board size
4371 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4372 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4373 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4374 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4375 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4376 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4377 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4378 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4379 /* Get a move list just to see the header, which
4380 will tell us whether this is really bug or zh */
4381 if (ics_getting_history == H_FALSE) {
4382 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4383 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4388 /* Take action if this is the first board of a new game, or of a
4389 different game than is currently being displayed. */
4390 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4391 relation == RELATION_ISOLATED_BOARD) {
4393 /* Forget the old game and get the history (if any) of the new one */
4394 if (gameMode != BeginningOfGame) {
4398 if (appData.autoRaiseBoard) BoardToTop();
4400 if (gamenum == -1) {
4401 newGameMode = IcsIdle;
4402 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4403 appData.getMoveList && !reqFlag) {
4404 /* Need to get game history */
4405 ics_getting_history = H_REQUESTED;
4406 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4410 /* Initially flip the board to have black on the bottom if playing
4411 black or if the ICS flip flag is set, but let the user change
4412 it with the Flip View button. */
4413 flipView = appData.autoFlipView ?
4414 (newGameMode == IcsPlayingBlack) || ics_flip :
4417 /* Done with values from previous mode; copy in new ones */
4418 gameMode = newGameMode;
4420 ics_gamenum = gamenum;
4421 if (gamenum == gs_gamenum) {
4422 int klen = strlen(gs_kind);
4423 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4424 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4425 gameInfo.event = StrSave(str);
4427 gameInfo.event = StrSave("ICS game");
4429 gameInfo.site = StrSave(appData.icsHost);
4430 gameInfo.date = PGNDate();
4431 gameInfo.round = StrSave("-");
4432 gameInfo.white = StrSave(white);
4433 gameInfo.black = StrSave(black);
4434 timeControl = basetime * 60 * 1000;
4436 timeIncrement = increment * 1000;
4437 movesPerSession = 0;
4438 gameInfo.timeControl = TimeControlTagValue();
4439 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4440 if (appData.debugMode) {
4441 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4442 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4443 setbuf(debugFP, NULL);
4446 gameInfo.outOfBook = NULL;
4448 /* Do we have the ratings? */
4449 if (strcmp(player1Name, white) == 0 &&
4450 strcmp(player2Name, black) == 0) {
4451 if (appData.debugMode)
4452 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4453 player1Rating, player2Rating);
4454 gameInfo.whiteRating = player1Rating;
4455 gameInfo.blackRating = player2Rating;
4456 } else if (strcmp(player2Name, white) == 0 &&
4457 strcmp(player1Name, black) == 0) {
4458 if (appData.debugMode)
4459 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4460 player2Rating, player1Rating);
4461 gameInfo.whiteRating = player2Rating;
4462 gameInfo.blackRating = player1Rating;
4464 player1Name[0] = player2Name[0] = NULLCHAR;
4466 /* Silence shouts if requested */
4467 if (appData.quietPlay &&
4468 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4469 SendToICS(ics_prefix);
4470 SendToICS("set shout 0\n");
4474 /* Deal with midgame name changes */
4476 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4477 if (gameInfo.white) free(gameInfo.white);
4478 gameInfo.white = StrSave(white);
4480 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4481 if (gameInfo.black) free(gameInfo.black);
4482 gameInfo.black = StrSave(black);
4486 /* Throw away game result if anything actually changes in examine mode */
4487 if (gameMode == IcsExamining && !newGame) {
4488 gameInfo.result = GameUnfinished;
4489 if (gameInfo.resultDetails != NULL) {
4490 free(gameInfo.resultDetails);
4491 gameInfo.resultDetails = NULL;
4495 /* In pausing && IcsExamining mode, we ignore boards coming
4496 in if they are in a different variation than we are. */
4497 if (pauseExamInvalid) return;
4498 if (pausing && gameMode == IcsExamining) {
4499 if (moveNum <= pauseExamForwardMostMove) {
4500 pauseExamInvalid = TRUE;
4501 forwardMostMove = pauseExamForwardMostMove;
4506 if (appData.debugMode) {
4507 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4509 /* Parse the board */
4510 for (k = 0; k < ranks; k++) {
4511 for (j = 0; j < files; j++)
4512 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4513 if(gameInfo.holdingsWidth > 1) {
4514 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4515 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4518 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4519 board[5][BOARD_RGHT+1] = WhiteAngel;
4520 board[6][BOARD_RGHT+1] = WhiteMarshall;
4521 board[1][0] = BlackMarshall;
4522 board[2][0] = BlackAngel;
4523 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4525 CopyBoard(boards[moveNum], board);
4526 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4528 startedFromSetupPosition =
4529 !CompareBoards(board, initialPosition);
4530 if(startedFromSetupPosition)
4531 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4534 /* [HGM] Set castling rights. Take the outermost Rooks,
4535 to make it also work for FRC opening positions. Note that board12
4536 is really defective for later FRC positions, as it has no way to
4537 indicate which Rook can castle if they are on the same side of King.
4538 For the initial position we grant rights to the outermost Rooks,
4539 and remember thos rights, and we then copy them on positions
4540 later in an FRC game. This means WB might not recognize castlings with
4541 Rooks that have moved back to their original position as illegal,
4542 but in ICS mode that is not its job anyway.
4544 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4545 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4547 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4548 if(board[0][i] == WhiteRook) j = i;
4549 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4550 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4551 if(board[0][i] == WhiteRook) j = i;
4552 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4553 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4554 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4555 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4556 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4557 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4558 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4560 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4561 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4562 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4563 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4564 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4565 if(board[BOARD_HEIGHT-1][k] == bKing)
4566 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4567 if(gameInfo.variant == VariantTwoKings) {
4568 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4569 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4570 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4573 r = boards[moveNum][CASTLING][0] = initialRights[0];
4574 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4575 r = boards[moveNum][CASTLING][1] = initialRights[1];
4576 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4577 r = boards[moveNum][CASTLING][3] = initialRights[3];
4578 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4579 r = boards[moveNum][CASTLING][4] = initialRights[4];
4580 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4581 /* wildcastle kludge: always assume King has rights */
4582 r = boards[moveNum][CASTLING][2] = initialRights[2];
4583 r = boards[moveNum][CASTLING][5] = initialRights[5];
4585 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4586 boards[moveNum][EP_STATUS] = EP_NONE;
4587 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4588 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4589 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4592 if (ics_getting_history == H_GOT_REQ_HEADER ||
4593 ics_getting_history == H_GOT_UNREQ_HEADER) {
4594 /* This was an initial position from a move list, not
4595 the current position */
4599 /* Update currentMove and known move number limits */
4600 newMove = newGame || moveNum > forwardMostMove;
4603 forwardMostMove = backwardMostMove = currentMove = moveNum;
4604 if (gameMode == IcsExamining && moveNum == 0) {
4605 /* Workaround for ICS limitation: we are not told the wild
4606 type when starting to examine a game. But if we ask for
4607 the move list, the move list header will tell us */
4608 ics_getting_history = H_REQUESTED;
4609 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4612 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4613 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4615 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4616 /* [HGM] applied this also to an engine that is silently watching */
4617 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4618 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4619 gameInfo.variant == currentlyInitializedVariant) {
4620 takeback = forwardMostMove - moveNum;
4621 for (i = 0; i < takeback; i++) {
4622 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4623 SendToProgram("undo\n", &first);
4628 forwardMostMove = moveNum;
4629 if (!pausing || currentMove > forwardMostMove)
4630 currentMove = forwardMostMove;
4632 /* New part of history that is not contiguous with old part */
4633 if (pausing && gameMode == IcsExamining) {
4634 pauseExamInvalid = TRUE;
4635 forwardMostMove = pauseExamForwardMostMove;
4638 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4640 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4641 // [HGM] when we will receive the move list we now request, it will be
4642 // fed to the engine from the first move on. So if the engine is not
4643 // in the initial position now, bring it there.
4644 InitChessProgram(&first, 0);
4647 ics_getting_history = H_REQUESTED;
4648 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4651 forwardMostMove = backwardMostMove = currentMove = moveNum;
4654 /* Update the clocks */
4655 if (strchr(elapsed_time, '.')) {
4657 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4658 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4660 /* Time is in seconds */
4661 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4662 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4667 if (appData.zippyPlay && newGame &&
4668 gameMode != IcsObserving && gameMode != IcsIdle &&
4669 gameMode != IcsExamining)
4670 ZippyFirstBoard(moveNum, basetime, increment);
4673 /* Put the move on the move list, first converting
4674 to canonical algebraic form. */
4676 if (appData.debugMode) {
4677 if (appData.debugMode) { int f = forwardMostMove;
4678 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4679 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4680 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4682 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4683 fprintf(debugFP, "moveNum = %d\n", moveNum);
4684 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4685 setbuf(debugFP, NULL);
4687 if (moveNum <= backwardMostMove) {
4688 /* We don't know what the board looked like before
4690 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4691 strcat(parseList[moveNum - 1], " ");
4692 strcat(parseList[moveNum - 1], elapsed_time);
4693 moveList[moveNum - 1][0] = NULLCHAR;
4694 } else if (strcmp(move_str, "none") == 0) {
4695 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4696 /* Again, we don't know what the board looked like;
4697 this is really the start of the game. */
4698 parseList[moveNum - 1][0] = NULLCHAR;
4699 moveList[moveNum - 1][0] = NULLCHAR;
4700 backwardMostMove = moveNum;
4701 startedFromSetupPosition = TRUE;
4702 fromX = fromY = toX = toY = -1;
4704 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4705 // So we parse the long-algebraic move string in stead of the SAN move
4706 int valid; char buf[MSG_SIZ], *prom;
4708 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4709 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4710 // str looks something like "Q/a1-a2"; kill the slash
4712 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4713 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4714 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4715 strcat(buf, prom); // long move lacks promo specification!
4716 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4717 if(appData.debugMode)
4718 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4719 safeStrCpy(move_str, buf, MSG_SIZ);
4721 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4722 &fromX, &fromY, &toX, &toY, &promoChar)
4723 || ParseOneMove(buf, moveNum - 1, &moveType,
4724 &fromX, &fromY, &toX, &toY, &promoChar);
4725 // end of long SAN patch
4727 (void) CoordsToAlgebraic(boards[moveNum - 1],
4728 PosFlags(moveNum - 1),
4729 fromY, fromX, toY, toX, promoChar,
4730 parseList[moveNum-1]);
4731 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4737 if(gameInfo.variant != VariantShogi)
4738 strcat(parseList[moveNum - 1], "+");
4741 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4742 strcat(parseList[moveNum - 1], "#");
4745 strcat(parseList[moveNum - 1], " ");
4746 strcat(parseList[moveNum - 1], elapsed_time);
4747 /* currentMoveString is set as a side-effect of ParseOneMove */
4748 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4749 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4750 strcat(moveList[moveNum - 1], "\n");
4752 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4753 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4754 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4755 ChessSquare old, new = boards[moveNum][k][j];
4756 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4757 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4758 if(old == new) continue;
4759 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4760 else if(new == WhiteWazir || new == BlackWazir) {
4761 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4762 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4763 else boards[moveNum][k][j] = old; // preserve type of Gold
4764 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4765 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4768 /* Move from ICS was illegal!? Punt. */
4769 if (appData.debugMode) {
4770 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4771 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4773 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4774 strcat(parseList[moveNum - 1], " ");
4775 strcat(parseList[moveNum - 1], elapsed_time);
4776 moveList[moveNum - 1][0] = NULLCHAR;
4777 fromX = fromY = toX = toY = -1;
4780 if (appData.debugMode) {
4781 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4782 setbuf(debugFP, NULL);
4786 /* Send move to chess program (BEFORE animating it). */
4787 if (appData.zippyPlay && !newGame && newMove &&
4788 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4790 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4791 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4792 if (moveList[moveNum - 1][0] == NULLCHAR) {
4793 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4795 DisplayError(str, 0);
4797 if (first.sendTime) {
4798 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4800 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4801 if (firstMove && !bookHit) {
4803 if (first.useColors) {
4804 SendToProgram(gameMode == IcsPlayingWhite ?
4806 "black\ngo\n", &first);
4808 SendToProgram("go\n", &first);
4810 first.maybeThinking = TRUE;
4813 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4814 if (moveList[moveNum - 1][0] == NULLCHAR) {
4815 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4816 DisplayError(str, 0);
4818 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4819 SendMoveToProgram(moveNum - 1, &first);
4826 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4827 /* If move comes from a remote source, animate it. If it
4828 isn't remote, it will have already been animated. */
4829 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4830 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4832 if (!pausing && appData.highlightLastMove) {
4833 SetHighlights(fromX, fromY, toX, toY);
4837 /* Start the clocks */
4838 whiteFlag = blackFlag = FALSE;
4839 appData.clockMode = !(basetime == 0 && increment == 0);
4841 ics_clock_paused = TRUE;
4843 } else if (ticking == 1) {
4844 ics_clock_paused = FALSE;
4846 if (gameMode == IcsIdle ||
4847 relation == RELATION_OBSERVING_STATIC ||
4848 relation == RELATION_EXAMINING ||
4850 DisplayBothClocks();
4854 /* Display opponents and material strengths */
4855 if (gameInfo.variant != VariantBughouse &&
4856 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4857 if (tinyLayout || smallLayout) {
4858 if(gameInfo.variant == VariantNormal)
4859 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4860 gameInfo.white, white_stren, gameInfo.black, black_stren,
4861 basetime, increment);
4863 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4864 gameInfo.white, white_stren, gameInfo.black, black_stren,
4865 basetime, increment, (int) gameInfo.variant);
4867 if(gameInfo.variant == VariantNormal)
4868 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4869 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4870 basetime, increment);
4872 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4873 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4874 basetime, increment, VariantName(gameInfo.variant));
4877 if (appData.debugMode) {
4878 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4883 /* Display the board */
4884 if (!pausing && !appData.noGUI) {
4886 if (appData.premove)
4888 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4889 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4890 ClearPremoveHighlights();
4892 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4893 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4894 DrawPosition(j, boards[currentMove]);
4896 DisplayMove(moveNum - 1);
4897 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4898 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4899 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4900 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4904 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4906 if(bookHit) { // [HGM] book: simulate book reply
4907 static char bookMove[MSG_SIZ]; // a bit generous?
4909 programStats.nodes = programStats.depth = programStats.time =
4910 programStats.score = programStats.got_only_move = 0;
4911 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4913 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4914 strcat(bookMove, bookHit);
4915 HandleMachineMove(bookMove, &first);
4924 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4925 ics_getting_history = H_REQUESTED;
4926 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4932 SendToBoth (char *msg)
4933 { // to make it easy to keep two engines in step in dual analysis
4934 SendToProgram(msg, &first);
4935 if(second.analyzing) SendToProgram(msg, &second);
4939 AnalysisPeriodicEvent (int force)
4941 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4942 && !force) || !appData.periodicUpdates)
4945 /* Send . command to Crafty to collect stats */
4948 /* Don't send another until we get a response (this makes
4949 us stop sending to old Crafty's which don't understand
4950 the "." command (sending illegal cmds resets node count & time,
4951 which looks bad)) */
4952 programStats.ok_to_send = 0;
4956 ics_update_width (int new_width)
4958 ics_printf("set width %d\n", new_width);
4962 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4966 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4967 // null move in variant where engine does not understand it (for analysis purposes)
4968 SendBoard(cps, moveNum + 1); // send position after move in stead.
4971 if (cps->useUsermove) {
4972 SendToProgram("usermove ", cps);
4976 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4977 int len = space - parseList[moveNum];
4978 memcpy(buf, parseList[moveNum], len);
4980 buf[len] = NULLCHAR;
4982 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4984 SendToProgram(buf, cps);
4986 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4987 AlphaRank(moveList[moveNum], 4);
4988 SendToProgram(moveList[moveNum], cps);
4989 AlphaRank(moveList[moveNum], 4); // and back
4991 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4992 * the engine. It would be nice to have a better way to identify castle
4994 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4995 && cps->useOOCastle) {
4996 int fromX = moveList[moveNum][0] - AAA;
4997 int fromY = moveList[moveNum][1] - ONE;
4998 int toX = moveList[moveNum][2] - AAA;
4999 int toY = moveList[moveNum][3] - ONE;
5000 if((boards[moveNum][fromY][fromX] == WhiteKing
5001 && boards[moveNum][toY][toX] == WhiteRook)
5002 || (boards[moveNum][fromY][fromX] == BlackKing
5003 && boards[moveNum][toY][toX] == BlackRook)) {
5004 if(toX > fromX) SendToProgram("O-O\n", cps);
5005 else SendToProgram("O-O-O\n", cps);
5007 else SendToProgram(moveList[moveNum], cps);
5009 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5010 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5011 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5012 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5013 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5015 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5016 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5017 SendToProgram(buf, cps);
5019 else SendToProgram(moveList[moveNum], cps);
5020 /* End of additions by Tord */
5023 /* [HGM] setting up the opening has brought engine in force mode! */
5024 /* Send 'go' if we are in a mode where machine should play. */
5025 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5026 (gameMode == TwoMachinesPlay ||
5028 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5030 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5031 SendToProgram("go\n", cps);
5032 if (appData.debugMode) {
5033 fprintf(debugFP, "(extra)\n");
5036 setboardSpoiledMachineBlack = 0;
5040 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5042 char user_move[MSG_SIZ];
5045 if(gameInfo.variant == VariantSChess && promoChar) {
5046 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5047 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5048 } else suffix[0] = NULLCHAR;
5052 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5053 (int)moveType, fromX, fromY, toX, toY);
5054 DisplayError(user_move + strlen("say "), 0);
5056 case WhiteKingSideCastle:
5057 case BlackKingSideCastle:
5058 case WhiteQueenSideCastleWild:
5059 case BlackQueenSideCastleWild:
5061 case WhiteHSideCastleFR:
5062 case BlackHSideCastleFR:
5064 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5066 case WhiteQueenSideCastle:
5067 case BlackQueenSideCastle:
5068 case WhiteKingSideCastleWild:
5069 case BlackKingSideCastleWild:
5071 case WhiteASideCastleFR:
5072 case BlackASideCastleFR:
5074 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5076 case WhiteNonPromotion:
5077 case BlackNonPromotion:
5078 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5080 case WhitePromotion:
5081 case BlackPromotion:
5082 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5083 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5084 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5085 PieceToChar(WhiteFerz));
5086 else if(gameInfo.variant == VariantGreat)
5087 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5088 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5089 PieceToChar(WhiteMan));
5091 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5092 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5098 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5099 ToUpper(PieceToChar((ChessSquare) fromX)),
5100 AAA + toX, ONE + toY);
5102 case IllegalMove: /* could be a variant we don't quite understand */
5103 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5105 case WhiteCapturesEnPassant:
5106 case BlackCapturesEnPassant:
5107 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5108 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5111 SendToICS(user_move);
5112 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5113 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5118 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5119 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5120 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5121 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5122 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5125 if(gameMode != IcsExamining) { // is this ever not the case?
5126 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5128 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5129 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5130 } else { // on FICS we must first go to general examine mode
5131 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5133 if(gameInfo.variant != VariantNormal) {
5134 // try figure out wild number, as xboard names are not always valid on ICS
5135 for(i=1; i<=36; i++) {
5136 snprintf(buf, MSG_SIZ, "wild/%d", i);
5137 if(StringToVariant(buf) == gameInfo.variant) break;
5139 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5140 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5141 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5142 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5143 SendToICS(ics_prefix);
5145 if(startedFromSetupPosition || backwardMostMove != 0) {
5146 fen = PositionToFEN(backwardMostMove, NULL);
5147 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5148 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5150 } else { // FICS: everything has to set by separate bsetup commands
5151 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5152 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5154 if(!WhiteOnMove(backwardMostMove)) {
5155 SendToICS("bsetup tomove black\n");
5157 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5158 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5160 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5161 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5163 i = boards[backwardMostMove][EP_STATUS];
5164 if(i >= 0) { // set e.p.
5165 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5171 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5172 SendToICS("bsetup done\n"); // switch to normal examining.
5174 for(i = backwardMostMove; i<last; i++) {
5176 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5177 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5178 int len = strlen(moveList[i]);
5179 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5180 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5184 SendToICS(ics_prefix);
5185 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5189 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5191 if (rf == DROP_RANK) {
5192 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5193 sprintf(move, "%c@%c%c\n",
5194 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5196 if (promoChar == 'x' || promoChar == NULLCHAR) {
5197 sprintf(move, "%c%c%c%c\n",
5198 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5200 sprintf(move, "%c%c%c%c%c\n",
5201 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5207 ProcessICSInitScript (FILE *f)
5211 while (fgets(buf, MSG_SIZ, f)) {
5212 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5219 static int lastX, lastY, selectFlag, dragging;
5224 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5225 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5226 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5227 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5228 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5229 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5232 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5233 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5234 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5235 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5236 if(!step) step = -1;
5237 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5238 appData.testLegality && (promoSweep == king ||
5239 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5241 int victim = boards[currentMove][toY][toX];
5242 boards[currentMove][toY][toX] = promoSweep;
5243 DrawPosition(FALSE, boards[currentMove]);
5244 boards[currentMove][toY][toX] = victim;
5246 ChangeDragPiece(promoSweep);
5250 PromoScroll (int x, int y)
5254 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5255 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5256 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5257 if(!step) return FALSE;
5258 lastX = x; lastY = y;
5259 if((promoSweep < BlackPawn) == flipView) step = -step;
5260 if(step > 0) selectFlag = 1;
5261 if(!selectFlag) Sweep(step);
5266 NextPiece (int step)
5268 ChessSquare piece = boards[currentMove][toY][toX];
5271 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5272 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5273 if(!step) step = -1;
5274 } while(PieceToChar(pieceSweep) == '.');
5275 boards[currentMove][toY][toX] = pieceSweep;
5276 DrawPosition(FALSE, boards[currentMove]);
5277 boards[currentMove][toY][toX] = piece;
5279 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5281 AlphaRank (char *move, int n)
5283 // char *p = move, c; int x, y;
5285 if (appData.debugMode) {
5286 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5290 move[2]>='0' && move[2]<='9' &&
5291 move[3]>='a' && move[3]<='x' ) {
5293 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5294 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5296 if(move[0]>='0' && move[0]<='9' &&
5297 move[1]>='a' && move[1]<='x' &&
5298 move[2]>='0' && move[2]<='9' &&
5299 move[3]>='a' && move[3]<='x' ) {
5300 /* input move, Shogi -> normal */
5301 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5302 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5303 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5304 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5307 move[3]>='0' && move[3]<='9' &&
5308 move[2]>='a' && move[2]<='x' ) {
5310 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5311 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5314 move[0]>='a' && move[0]<='x' &&
5315 move[3]>='0' && move[3]<='9' &&
5316 move[2]>='a' && move[2]<='x' ) {
5317 /* output move, normal -> Shogi */
5318 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5319 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5320 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5321 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5322 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5324 if (appData.debugMode) {
5325 fprintf(debugFP, " out = '%s'\n", move);
5329 char yy_textstr[8000];
5331 /* Parser for moves from gnuchess, ICS, or user typein box */
5333 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5335 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5337 switch (*moveType) {
5338 case WhitePromotion:
5339 case BlackPromotion:
5340 case WhiteNonPromotion:
5341 case BlackNonPromotion:
5343 case WhiteCapturesEnPassant:
5344 case BlackCapturesEnPassant:
5345 case WhiteKingSideCastle:
5346 case WhiteQueenSideCastle:
5347 case BlackKingSideCastle:
5348 case BlackQueenSideCastle:
5349 case WhiteKingSideCastleWild:
5350 case WhiteQueenSideCastleWild:
5351 case BlackKingSideCastleWild:
5352 case BlackQueenSideCastleWild:
5353 /* Code added by Tord: */
5354 case WhiteHSideCastleFR:
5355 case WhiteASideCastleFR:
5356 case BlackHSideCastleFR:
5357 case BlackASideCastleFR:
5358 /* End of code added by Tord */
5359 case IllegalMove: /* bug or odd chess variant */
5360 *fromX = currentMoveString[0] - AAA;
5361 *fromY = currentMoveString[1] - ONE;
5362 *toX = currentMoveString[2] - AAA;
5363 *toY = currentMoveString[3] - ONE;
5364 *promoChar = currentMoveString[4];
5365 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5366 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5367 if (appData.debugMode) {
5368 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5370 *fromX = *fromY = *toX = *toY = 0;
5373 if (appData.testLegality) {
5374 return (*moveType != IllegalMove);
5376 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5377 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5382 *fromX = *moveType == WhiteDrop ?
5383 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5384 (int) CharToPiece(ToLower(currentMoveString[0]));
5386 *toX = currentMoveString[2] - AAA;
5387 *toY = currentMoveString[3] - ONE;
5388 *promoChar = NULLCHAR;
5392 case ImpossibleMove:
5402 if (appData.debugMode) {
5403 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5406 *fromX = *fromY = *toX = *toY = 0;
5407 *promoChar = NULLCHAR;
5412 Boolean pushed = FALSE;
5413 char *lastParseAttempt;
5416 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5417 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5418 int fromX, fromY, toX, toY; char promoChar;
5423 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5424 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5425 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5428 endPV = forwardMostMove;
5430 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5431 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5432 lastParseAttempt = pv;
5433 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5434 if(!valid && nr == 0 &&
5435 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5436 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5437 // Hande case where played move is different from leading PV move
5438 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5439 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5440 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5441 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5442 endPV += 2; // if position different, keep this
5443 moveList[endPV-1][0] = fromX + AAA;
5444 moveList[endPV-1][1] = fromY + ONE;
5445 moveList[endPV-1][2] = toX + AAA;
5446 moveList[endPV-1][3] = toY + ONE;
5447 parseList[endPV-1][0] = NULLCHAR;
5448 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5451 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5452 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5453 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5454 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5455 valid++; // allow comments in PV
5459 if(endPV+1 > framePtr) break; // no space, truncate
5462 CopyBoard(boards[endPV], boards[endPV-1]);
5463 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5464 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5465 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5466 CoordsToAlgebraic(boards[endPV - 1],
5467 PosFlags(endPV - 1),
5468 fromY, fromX, toY, toX, promoChar,
5469 parseList[endPV - 1]);
5471 if(atEnd == 2) return; // used hidden, for PV conversion
5472 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5473 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5474 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5475 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5476 DrawPosition(TRUE, boards[currentMove]);
5480 MultiPV (ChessProgramState *cps)
5481 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5483 for(i=0; i<cps->nrOptions; i++)
5484 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5490 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5492 int startPV, multi, lineStart, origIndex = index;
5493 char *p, buf2[MSG_SIZ];
5494 ChessProgramState *cps = (pane ? &second : &first);
5496 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5497 lastX = x; lastY = y;
5498 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5499 lineStart = startPV = index;
5500 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5501 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5503 do{ while(buf[index] && buf[index] != '\n') index++;
5504 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5506 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5507 int n = cps->option[multi].value;
5508 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5509 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5510 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5511 cps->option[multi].value = n;
5514 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5515 ExcludeClick(origIndex - lineStart);
5518 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5519 *start = startPV; *end = index-1;
5526 static char buf[10*MSG_SIZ];
5527 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5529 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5530 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5531 for(i = forwardMostMove; i<endPV; i++){
5532 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5533 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5536 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5537 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5538 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5544 LoadPV (int x, int y)
5545 { // called on right mouse click to load PV
5546 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5547 lastX = x; lastY = y;
5548 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5555 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5556 if(endPV < 0) return;
5557 if(appData.autoCopyPV) CopyFENToClipboard();
5559 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5560 Boolean saveAnimate = appData.animate;
5562 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5563 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5564 } else storedGames--; // abandon shelved tail of original game
5567 forwardMostMove = currentMove;
5568 currentMove = oldFMM;
5569 appData.animate = FALSE;
5570 ToNrEvent(forwardMostMove);
5571 appData.animate = saveAnimate;
5573 currentMove = forwardMostMove;
5574 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5575 ClearPremoveHighlights();
5576 DrawPosition(TRUE, boards[currentMove]);
5580 MovePV (int x, int y, int h)
5581 { // step through PV based on mouse coordinates (called on mouse move)
5582 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5584 // we must somehow check if right button is still down (might be released off board!)
5585 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5586 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5587 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5589 lastX = x; lastY = y;
5591 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5592 if(endPV < 0) return;
5593 if(y < margin) step = 1; else
5594 if(y > h - margin) step = -1;
5595 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5596 currentMove += step;
5597 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5598 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5599 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5600 DrawPosition(FALSE, boards[currentMove]);
5604 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5605 // All positions will have equal probability, but the current method will not provide a unique
5606 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5612 int piecesLeft[(int)BlackPawn];
5613 int seed, nrOfShuffles;
5616 GetPositionNumber ()
5617 { // sets global variable seed
5620 seed = appData.defaultFrcPosition;
5621 if(seed < 0) { // randomize based on time for negative FRC position numbers
5622 for(i=0; i<50; i++) seed += random();
5623 seed = random() ^ random() >> 8 ^ random() << 8;
5624 if(seed<0) seed = -seed;
5629 put (Board board, int pieceType, int rank, int n, int shade)
5630 // put the piece on the (n-1)-th empty squares of the given shade
5634 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5635 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5636 board[rank][i] = (ChessSquare) pieceType;
5637 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5639 piecesLeft[pieceType]--;
5648 AddOnePiece (Board board, int pieceType, int rank, int shade)
5649 // calculate where the next piece goes, (any empty square), and put it there
5653 i = seed % squaresLeft[shade];
5654 nrOfShuffles *= squaresLeft[shade];
5655 seed /= squaresLeft[shade];
5656 put(board, pieceType, rank, i, shade);
5660 AddTwoPieces (Board board, int pieceType, int rank)
5661 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5663 int i, n=squaresLeft[ANY], j=n-1, k;
5665 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5666 i = seed % k; // pick one
5669 while(i >= j) i -= j--;
5670 j = n - 1 - j; i += j;
5671 put(board, pieceType, rank, j, ANY);
5672 put(board, pieceType, rank, i, ANY);
5676 SetUpShuffle (Board board, int number)
5680 GetPositionNumber(); nrOfShuffles = 1;
5682 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5683 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5684 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5686 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5688 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5689 p = (int) board[0][i];
5690 if(p < (int) BlackPawn) piecesLeft[p] ++;
5691 board[0][i] = EmptySquare;
5694 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5695 // shuffles restricted to allow normal castling put KRR first
5696 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5697 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5698 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5699 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5700 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5701 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5702 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5703 put(board, WhiteRook, 0, 0, ANY);
5704 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5707 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5708 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5709 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5710 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5711 while(piecesLeft[p] >= 2) {
5712 AddOnePiece(board, p, 0, LITE);
5713 AddOnePiece(board, p, 0, DARK);
5715 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5718 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5719 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5720 // but we leave King and Rooks for last, to possibly obey FRC restriction
5721 if(p == (int)WhiteRook) continue;
5722 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5723 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5726 // now everything is placed, except perhaps King (Unicorn) and Rooks
5728 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5729 // Last King gets castling rights
5730 while(piecesLeft[(int)WhiteUnicorn]) {
5731 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5732 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5735 while(piecesLeft[(int)WhiteKing]) {
5736 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5737 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5742 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5743 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5746 // Only Rooks can be left; simply place them all
5747 while(piecesLeft[(int)WhiteRook]) {
5748 i = put(board, WhiteRook, 0, 0, ANY);
5749 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5752 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5754 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5757 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5758 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5761 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5765 SetCharTable (char *table, const char * map)
5766 /* [HGM] moved here from winboard.c because of its general usefulness */
5767 /* Basically a safe strcpy that uses the last character as King */
5769 int result = FALSE; int NrPieces;
5771 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5772 && NrPieces >= 12 && !(NrPieces&1)) {
5773 int i; /* [HGM] Accept even length from 12 to 34 */
5775 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5776 for( i=0; i<NrPieces/2-1; i++ ) {
5778 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5780 table[(int) WhiteKing] = map[NrPieces/2-1];
5781 table[(int) BlackKing] = map[NrPieces-1];
5790 Prelude (Board board)
5791 { // [HGM] superchess: random selection of exo-pieces
5792 int i, j, k; ChessSquare p;
5793 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5795 GetPositionNumber(); // use FRC position number
5797 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5798 SetCharTable(pieceToChar, appData.pieceToCharTable);
5799 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5800 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5803 j = seed%4; seed /= 4;
5804 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5805 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5806 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5807 j = seed%3 + (seed%3 >= j); seed /= 3;
5808 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5809 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5810 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5811 j = seed%3; seed /= 3;
5812 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5813 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5814 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5815 j = seed%2 + (seed%2 >= j); seed /= 2;
5816 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5817 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5818 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5819 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5820 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5821 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5822 put(board, exoPieces[0], 0, 0, ANY);
5823 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5827 InitPosition (int redraw)
5829 ChessSquare (* pieces)[BOARD_FILES];
5830 int i, j, pawnRow, overrule,
5831 oldx = gameInfo.boardWidth,
5832 oldy = gameInfo.boardHeight,
5833 oldh = gameInfo.holdingsWidth;
5836 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5838 /* [AS] Initialize pv info list [HGM] and game status */
5840 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5841 pvInfoList[i].depth = 0;
5842 boards[i][EP_STATUS] = EP_NONE;
5843 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5846 initialRulePlies = 0; /* 50-move counter start */
5848 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5849 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5853 /* [HGM] logic here is completely changed. In stead of full positions */
5854 /* the initialized data only consist of the two backranks. The switch */
5855 /* selects which one we will use, which is than copied to the Board */
5856 /* initialPosition, which for the rest is initialized by Pawns and */
5857 /* empty squares. This initial position is then copied to boards[0], */
5858 /* possibly after shuffling, so that it remains available. */
5860 gameInfo.holdingsWidth = 0; /* default board sizes */
5861 gameInfo.boardWidth = 8;
5862 gameInfo.boardHeight = 8;
5863 gameInfo.holdingsSize = 0;
5864 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5865 for(i=0; i<BOARD_FILES-2; i++)
5866 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5867 initialPosition[EP_STATUS] = EP_NONE;
5868 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5869 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5870 SetCharTable(pieceNickName, appData.pieceNickNames);
5871 else SetCharTable(pieceNickName, "............");
5874 switch (gameInfo.variant) {
5875 case VariantFischeRandom:
5876 shuffleOpenings = TRUE;
5879 case VariantShatranj:
5880 pieces = ShatranjArray;
5881 nrCastlingRights = 0;
5882 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5885 pieces = makrukArray;
5886 nrCastlingRights = 0;
5887 startedFromSetupPosition = TRUE;
5888 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5890 case VariantTwoKings:
5891 pieces = twoKingsArray;
5894 pieces = GrandArray;
5895 nrCastlingRights = 0;
5896 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5897 gameInfo.boardWidth = 10;
5898 gameInfo.boardHeight = 10;
5899 gameInfo.holdingsSize = 7;
5901 case VariantCapaRandom:
5902 shuffleOpenings = TRUE;
5903 case VariantCapablanca:
5904 pieces = CapablancaArray;
5905 gameInfo.boardWidth = 10;
5906 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5909 pieces = GothicArray;
5910 gameInfo.boardWidth = 10;
5911 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5914 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5915 gameInfo.holdingsSize = 7;
5916 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5919 pieces = JanusArray;
5920 gameInfo.boardWidth = 10;
5921 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5922 nrCastlingRights = 6;
5923 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5924 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5925 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5926 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5927 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5928 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5931 pieces = FalconArray;
5932 gameInfo.boardWidth = 10;
5933 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5935 case VariantXiangqi:
5936 pieces = XiangqiArray;
5937 gameInfo.boardWidth = 9;
5938 gameInfo.boardHeight = 10;
5939 nrCastlingRights = 0;
5940 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5943 pieces = ShogiArray;
5944 gameInfo.boardWidth = 9;
5945 gameInfo.boardHeight = 9;
5946 gameInfo.holdingsSize = 7;
5947 nrCastlingRights = 0;
5948 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5950 case VariantCourier:
5951 pieces = CourierArray;
5952 gameInfo.boardWidth = 12;
5953 nrCastlingRights = 0;
5954 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5956 case VariantKnightmate:
5957 pieces = KnightmateArray;
5958 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5960 case VariantSpartan:
5961 pieces = SpartanArray;
5962 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5965 pieces = fairyArray;
5966 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5969 pieces = GreatArray;
5970 gameInfo.boardWidth = 10;
5971 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5972 gameInfo.holdingsSize = 8;
5976 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5977 gameInfo.holdingsSize = 8;
5978 startedFromSetupPosition = TRUE;
5980 case VariantCrazyhouse:
5981 case VariantBughouse:
5983 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5984 gameInfo.holdingsSize = 5;
5986 case VariantWildCastle:
5988 /* !!?shuffle with kings guaranteed to be on d or e file */
5989 shuffleOpenings = 1;
5991 case VariantNoCastle:
5993 nrCastlingRights = 0;
5994 /* !!?unconstrained back-rank shuffle */
5995 shuffleOpenings = 1;
6000 if(appData.NrFiles >= 0) {
6001 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6002 gameInfo.boardWidth = appData.NrFiles;
6004 if(appData.NrRanks >= 0) {
6005 gameInfo.boardHeight = appData.NrRanks;
6007 if(appData.holdingsSize >= 0) {
6008 i = appData.holdingsSize;
6009 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6010 gameInfo.holdingsSize = i;
6012 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6013 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6014 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6016 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6017 if(pawnRow < 1) pawnRow = 1;
6018 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6020 /* User pieceToChar list overrules defaults */
6021 if(appData.pieceToCharTable != NULL)
6022 SetCharTable(pieceToChar, appData.pieceToCharTable);
6024 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6026 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6027 s = (ChessSquare) 0; /* account holding counts in guard band */
6028 for( i=0; i<BOARD_HEIGHT; i++ )
6029 initialPosition[i][j] = s;
6031 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6032 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6033 initialPosition[pawnRow][j] = WhitePawn;
6034 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6035 if(gameInfo.variant == VariantXiangqi) {
6037 initialPosition[pawnRow][j] =
6038 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6039 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6040 initialPosition[2][j] = WhiteCannon;
6041 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6045 if(gameInfo.variant == VariantGrand) {
6046 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6047 initialPosition[0][j] = WhiteRook;
6048 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6051 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6053 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6056 initialPosition[1][j] = WhiteBishop;
6057 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6059 initialPosition[1][j] = WhiteRook;
6060 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6063 if( nrCastlingRights == -1) {
6064 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6065 /* This sets default castling rights from none to normal corners */
6066 /* Variants with other castling rights must set them themselves above */
6067 nrCastlingRights = 6;
6069 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6070 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6071 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6072 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6073 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6074 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6077 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6078 if(gameInfo.variant == VariantGreat) { // promotion commoners
6079 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6080 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6081 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6082 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6084 if( gameInfo.variant == VariantSChess ) {
6085 initialPosition[1][0] = BlackMarshall;
6086 initialPosition[2][0] = BlackAngel;
6087 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6088 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6089 initialPosition[1][1] = initialPosition[2][1] =
6090 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6092 if (appData.debugMode) {
6093 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6095 if(shuffleOpenings) {
6096 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6097 startedFromSetupPosition = TRUE;
6099 if(startedFromPositionFile) {
6100 /* [HGM] loadPos: use PositionFile for every new game */
6101 CopyBoard(initialPosition, filePosition);
6102 for(i=0; i<nrCastlingRights; i++)
6103 initialRights[i] = filePosition[CASTLING][i];
6104 startedFromSetupPosition = TRUE;
6107 CopyBoard(boards[0], initialPosition);
6109 if(oldx != gameInfo.boardWidth ||
6110 oldy != gameInfo.boardHeight ||
6111 oldv != gameInfo.variant ||
6112 oldh != gameInfo.holdingsWidth
6114 InitDrawingSizes(-2 ,0);
6116 oldv = gameInfo.variant;
6118 DrawPosition(TRUE, boards[currentMove]);
6122 SendBoard (ChessProgramState *cps, int moveNum)
6124 char message[MSG_SIZ];
6126 if (cps->useSetboard) {
6127 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6128 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6129 SendToProgram(message, cps);
6134 int i, j, left=0, right=BOARD_WIDTH;
6135 /* Kludge to set black to move, avoiding the troublesome and now
6136 * deprecated "black" command.
6138 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6139 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6141 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6143 SendToProgram("edit\n", cps);
6144 SendToProgram("#\n", cps);
6145 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6146 bp = &boards[moveNum][i][left];
6147 for (j = left; j < right; j++, bp++) {
6148 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6149 if ((int) *bp < (int) BlackPawn) {
6150 if(j == BOARD_RGHT+1)
6151 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6152 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6153 if(message[0] == '+' || message[0] == '~') {
6154 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6155 PieceToChar((ChessSquare)(DEMOTED *bp)),
6158 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6159 message[1] = BOARD_RGHT - 1 - j + '1';
6160 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6162 SendToProgram(message, cps);
6167 SendToProgram("c\n", cps);
6168 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6169 bp = &boards[moveNum][i][left];
6170 for (j = left; j < right; j++, bp++) {
6171 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6172 if (((int) *bp != (int) EmptySquare)
6173 && ((int) *bp >= (int) BlackPawn)) {
6174 if(j == BOARD_LEFT-2)
6175 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6176 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6178 if(message[0] == '+' || message[0] == '~') {
6179 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6180 PieceToChar((ChessSquare)(DEMOTED *bp)),
6183 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6184 message[1] = BOARD_RGHT - 1 - j + '1';
6185 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6187 SendToProgram(message, cps);
6192 SendToProgram(".\n", cps);
6194 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6197 char exclusionHeader[MSG_SIZ];
6198 int exCnt, excludePtr;
6199 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6200 static Exclusion excluTab[200];
6201 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6207 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6208 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6214 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6215 excludePtr = 24; exCnt = 0;
6220 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6221 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6222 char buf[2*MOVE_LEN], *p;
6223 Exclusion *e = excluTab;
6225 for(i=0; i<exCnt; i++)
6226 if(e[i].ff == fromX && e[i].fr == fromY &&
6227 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6228 if(i == exCnt) { // was not in exclude list; add it
6229 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6230 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6231 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6234 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6235 excludePtr++; e[i].mark = excludePtr++;
6236 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6239 exclusionHeader[e[i].mark] = state;
6243 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6244 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6248 if((signed char)promoChar == -1) { // kludge to indicate best move
6249 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6250 return 1; // if unparsable, abort
6252 // update exclusion map (resolving toggle by consulting existing state)
6253 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6255 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6256 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6257 excludeMap[k] |= 1<<j;
6258 else excludeMap[k] &= ~(1<<j);
6260 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6262 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6263 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6265 return (state == '+');
6269 ExcludeClick (int index)
6272 Exclusion *e = excluTab;
6273 if(index < 25) { // none, best or tail clicked
6274 if(index < 13) { // none: include all
6275 WriteMap(0); // clear map
6276 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6277 SendToBoth("include all\n"); // and inform engine
6278 } else if(index > 18) { // tail
6279 if(exclusionHeader[19] == '-') { // tail was excluded
6280 SendToBoth("include all\n");
6281 WriteMap(0); // clear map completely
6282 // now re-exclude selected moves
6283 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6284 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6285 } else { // tail was included or in mixed state
6286 SendToBoth("exclude all\n");
6287 WriteMap(0xFF); // fill map completely
6288 // now re-include selected moves
6289 j = 0; // count them
6290 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6291 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6292 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6295 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6298 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6299 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6300 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6307 DefaultPromoChoice (int white)
6310 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6311 result = WhiteFerz; // no choice
6312 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6313 result= WhiteKing; // in Suicide Q is the last thing we want
6314 else if(gameInfo.variant == VariantSpartan)
6315 result = white ? WhiteQueen : WhiteAngel;
6316 else result = WhiteQueen;
6317 if(!white) result = WHITE_TO_BLACK result;
6321 static int autoQueen; // [HGM] oneclick
6324 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6326 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6327 /* [HGM] add Shogi promotions */
6328 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6333 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6334 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6336 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6337 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6340 piece = boards[currentMove][fromY][fromX];
6341 if(gameInfo.variant == VariantShogi) {
6342 promotionZoneSize = BOARD_HEIGHT/3;
6343 highestPromotingPiece = (int)WhiteFerz;
6344 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6345 promotionZoneSize = 3;
6348 // Treat Lance as Pawn when it is not representing Amazon
6349 if(gameInfo.variant != VariantSuper) {
6350 if(piece == WhiteLance) piece = WhitePawn; else
6351 if(piece == BlackLance) piece = BlackPawn;
6354 // next weed out all moves that do not touch the promotion zone at all
6355 if((int)piece >= BlackPawn) {
6356 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6358 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6360 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6361 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6364 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6366 // weed out mandatory Shogi promotions
6367 if(gameInfo.variant == VariantShogi) {
6368 if(piece >= BlackPawn) {
6369 if(toY == 0 && piece == BlackPawn ||
6370 toY == 0 && piece == BlackQueen ||
6371 toY <= 1 && piece == BlackKnight) {
6376 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6377 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6378 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6385 // weed out obviously illegal Pawn moves
6386 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6387 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6388 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6389 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6390 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6391 // note we are not allowed to test for valid (non-)capture, due to premove
6394 // we either have a choice what to promote to, or (in Shogi) whether to promote
6395 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6396 *promoChoice = PieceToChar(BlackFerz); // no choice
6399 // no sense asking what we must promote to if it is going to explode...
6400 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6401 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6404 // give caller the default choice even if we will not make it
6405 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6406 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6407 if( sweepSelect && gameInfo.variant != VariantGreat
6408 && gameInfo.variant != VariantGrand
6409 && gameInfo.variant != VariantSuper) return FALSE;
6410 if(autoQueen) return FALSE; // predetermined
6412 // suppress promotion popup on illegal moves that are not premoves
6413 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6414 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6415 if(appData.testLegality && !premove) {
6416 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6417 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6418 if(moveType != WhitePromotion && moveType != BlackPromotion)
6426 InPalace (int row, int column)
6427 { /* [HGM] for Xiangqi */
6428 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6429 column < (BOARD_WIDTH + 4)/2 &&
6430 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6435 PieceForSquare (int x, int y)
6437 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6440 return boards[currentMove][y][x];
6444 OKToStartUserMove (int x, int y)
6446 ChessSquare from_piece;
6449 if (matchMode) return FALSE;
6450 if (gameMode == EditPosition) return TRUE;
6452 if (x >= 0 && y >= 0)
6453 from_piece = boards[currentMove][y][x];
6455 from_piece = EmptySquare;
6457 if (from_piece == EmptySquare) return FALSE;
6459 white_piece = (int)from_piece >= (int)WhitePawn &&
6460 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6464 case TwoMachinesPlay:
6472 case MachinePlaysWhite:
6473 case IcsPlayingBlack:
6474 if (appData.zippyPlay) return FALSE;
6476 DisplayMoveError(_("You are playing Black"));
6481 case MachinePlaysBlack:
6482 case IcsPlayingWhite:
6483 if (appData.zippyPlay) return FALSE;
6485 DisplayMoveError(_("You are playing White"));
6490 case PlayFromGameFile:
6491 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6493 if (!white_piece && WhiteOnMove(currentMove)) {
6494 DisplayMoveError(_("It is White's turn"));
6497 if (white_piece && !WhiteOnMove(currentMove)) {
6498 DisplayMoveError(_("It is Black's turn"));
6501 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6502 /* Editing correspondence game history */
6503 /* Could disallow this or prompt for confirmation */
6508 case BeginningOfGame:
6509 if (appData.icsActive) return FALSE;
6510 if (!appData.noChessProgram) {
6512 DisplayMoveError(_("You are playing White"));
6519 if (!white_piece && WhiteOnMove(currentMove)) {
6520 DisplayMoveError(_("It is White's turn"));
6523 if (white_piece && !WhiteOnMove(currentMove)) {
6524 DisplayMoveError(_("It is Black's turn"));
6533 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6534 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6535 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6536 && gameMode != AnalyzeFile && gameMode != Training) {
6537 DisplayMoveError(_("Displayed position is not current"));
6544 OnlyMove (int *x, int *y, Boolean captures)
6546 DisambiguateClosure cl;
6547 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6549 case MachinePlaysBlack:
6550 case IcsPlayingWhite:
6551 case BeginningOfGame:
6552 if(!WhiteOnMove(currentMove)) return FALSE;
6554 case MachinePlaysWhite:
6555 case IcsPlayingBlack:
6556 if(WhiteOnMove(currentMove)) return FALSE;
6563 cl.pieceIn = EmptySquare;
6568 cl.promoCharIn = NULLCHAR;
6569 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6570 if( cl.kind == NormalMove ||
6571 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6572 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6573 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6580 if(cl.kind != ImpossibleMove) return FALSE;
6581 cl.pieceIn = EmptySquare;
6586 cl.promoCharIn = NULLCHAR;
6587 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6588 if( cl.kind == NormalMove ||
6589 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6590 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6591 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6596 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6602 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6603 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6604 int lastLoadGameUseList = FALSE;
6605 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6606 ChessMove lastLoadGameStart = EndOfFile;
6610 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6614 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6616 /* Check if the user is playing in turn. This is complicated because we
6617 let the user "pick up" a piece before it is his turn. So the piece he
6618 tried to pick up may have been captured by the time he puts it down!
6619 Therefore we use the color the user is supposed to be playing in this
6620 test, not the color of the piece that is currently on the starting
6621 square---except in EditGame mode, where the user is playing both
6622 sides; fortunately there the capture race can't happen. (It can
6623 now happen in IcsExamining mode, but that's just too bad. The user
6624 will get a somewhat confusing message in that case.)
6629 case TwoMachinesPlay:
6633 /* We switched into a game mode where moves are not accepted,
6634 perhaps while the mouse button was down. */
6637 case MachinePlaysWhite:
6638 /* User is moving for Black */
6639 if (WhiteOnMove(currentMove)) {
6640 DisplayMoveError(_("It is White's turn"));
6645 case MachinePlaysBlack:
6646 /* User is moving for White */
6647 if (!WhiteOnMove(currentMove)) {
6648 DisplayMoveError(_("It is Black's turn"));
6653 case PlayFromGameFile:
6654 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6657 case BeginningOfGame:
6660 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6661 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6662 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6663 /* User is moving for Black */
6664 if (WhiteOnMove(currentMove)) {
6665 DisplayMoveError(_("It is White's turn"));
6669 /* User is moving for White */
6670 if (!WhiteOnMove(currentMove)) {
6671 DisplayMoveError(_("It is Black's turn"));
6677 case IcsPlayingBlack:
6678 /* User is moving for Black */
6679 if (WhiteOnMove(currentMove)) {
6680 if (!appData.premove) {
6681 DisplayMoveError(_("It is White's turn"));
6682 } else if (toX >= 0 && toY >= 0) {
6685 premoveFromX = fromX;
6686 premoveFromY = fromY;
6687 premovePromoChar = promoChar;
6689 if (appData.debugMode)
6690 fprintf(debugFP, "Got premove: fromX %d,"
6691 "fromY %d, toX %d, toY %d\n",
6692 fromX, fromY, toX, toY);
6698 case IcsPlayingWhite:
6699 /* User is moving for White */
6700 if (!WhiteOnMove(currentMove)) {
6701 if (!appData.premove) {
6702 DisplayMoveError(_("It is Black's turn"));
6703 } else if (toX >= 0 && toY >= 0) {
6706 premoveFromX = fromX;
6707 premoveFromY = fromY;
6708 premovePromoChar = promoChar;
6710 if (appData.debugMode)
6711 fprintf(debugFP, "Got premove: fromX %d,"
6712 "fromY %d, toX %d, toY %d\n",
6713 fromX, fromY, toX, toY);
6723 /* EditPosition, empty square, or different color piece;
6724 click-click move is possible */
6725 if (toX == -2 || toY == -2) {
6726 boards[0][fromY][fromX] = EmptySquare;
6727 DrawPosition(FALSE, boards[currentMove]);
6729 } else if (toX >= 0 && toY >= 0) {
6730 boards[0][toY][toX] = boards[0][fromY][fromX];
6731 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6732 if(boards[0][fromY][0] != EmptySquare) {
6733 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6734 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6737 if(fromX == BOARD_RGHT+1) {
6738 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6739 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6740 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6743 boards[0][fromY][fromX] = gatingPiece;
6744 DrawPosition(FALSE, boards[currentMove]);
6750 if(toX < 0 || toY < 0) return;
6751 pup = boards[currentMove][toY][toX];
6753 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6754 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6755 if( pup != EmptySquare ) return;
6756 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6757 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6758 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6759 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6760 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6761 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6762 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6766 /* [HGM] always test for legality, to get promotion info */
6767 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6768 fromY, fromX, toY, toX, promoChar);
6770 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6772 /* [HGM] but possibly ignore an IllegalMove result */
6773 if (appData.testLegality) {
6774 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6775 DisplayMoveError(_("Illegal move"));
6780 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6781 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6782 ClearPremoveHighlights(); // was included
6783 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6787 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6790 /* Common tail of UserMoveEvent and DropMenuEvent */
6792 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6796 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6797 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6798 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6799 if(WhiteOnMove(currentMove)) {
6800 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6802 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6806 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6807 move type in caller when we know the move is a legal promotion */
6808 if(moveType == NormalMove && promoChar)
6809 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6811 /* [HGM] <popupFix> The following if has been moved here from
6812 UserMoveEvent(). Because it seemed to belong here (why not allow
6813 piece drops in training games?), and because it can only be
6814 performed after it is known to what we promote. */
6815 if (gameMode == Training) {
6816 /* compare the move played on the board to the next move in the
6817 * game. If they match, display the move and the opponent's response.
6818 * If they don't match, display an error message.
6822 CopyBoard(testBoard, boards[currentMove]);
6823 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6825 if (CompareBoards(testBoard, boards[currentMove+1])) {
6826 ForwardInner(currentMove+1);
6828 /* Autoplay the opponent's response.
6829 * if appData.animate was TRUE when Training mode was entered,
6830 * the response will be animated.
6832 saveAnimate = appData.animate;
6833 appData.animate = animateTraining;
6834 ForwardInner(currentMove+1);
6835 appData.animate = saveAnimate;
6837 /* check for the end of the game */
6838 if (currentMove >= forwardMostMove) {
6839 gameMode = PlayFromGameFile;
6841 SetTrainingModeOff();
6842 DisplayInformation(_("End of game"));
6845 DisplayError(_("Incorrect move"), 0);
6850 /* Ok, now we know that the move is good, so we can kill
6851 the previous line in Analysis Mode */
6852 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6853 && currentMove < forwardMostMove) {
6854 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6855 else forwardMostMove = currentMove;
6860 /* If we need the chess program but it's dead, restart it */
6861 ResurrectChessProgram();
6863 /* A user move restarts a paused game*/
6867 thinkOutput[0] = NULLCHAR;
6869 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6871 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6872 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6876 if (gameMode == BeginningOfGame) {
6877 if (appData.noChessProgram) {
6878 gameMode = EditGame;
6882 gameMode = MachinePlaysBlack;
6885 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6887 if (first.sendName) {
6888 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6889 SendToProgram(buf, &first);
6896 /* Relay move to ICS or chess engine */
6897 if (appData.icsActive) {
6898 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6899 gameMode == IcsExamining) {
6900 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6901 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6903 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6905 // also send plain move, in case ICS does not understand atomic claims
6906 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6910 if (first.sendTime && (gameMode == BeginningOfGame ||
6911 gameMode == MachinePlaysWhite ||
6912 gameMode == MachinePlaysBlack)) {
6913 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6915 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6916 // [HGM] book: if program might be playing, let it use book
6917 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6918 first.maybeThinking = TRUE;
6919 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6920 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6921 SendBoard(&first, currentMove+1);
6922 if(second.analyzing) {
6923 if(!second.useSetboard) SendToProgram("undo\n", &second);
6924 SendBoard(&second, currentMove+1);
6927 SendMoveToProgram(forwardMostMove-1, &first);
6928 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6930 if (currentMove == cmailOldMove + 1) {
6931 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6935 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6939 if(appData.testLegality)
6940 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6946 if (WhiteOnMove(currentMove)) {
6947 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6949 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6953 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6958 case MachinePlaysBlack:
6959 case MachinePlaysWhite:
6960 /* disable certain menu options while machine is thinking */
6961 SetMachineThinkingEnables();
6968 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6969 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6971 if(bookHit) { // [HGM] book: simulate book reply
6972 static char bookMove[MSG_SIZ]; // a bit generous?
6974 programStats.nodes = programStats.depth = programStats.time =
6975 programStats.score = programStats.got_only_move = 0;
6976 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6978 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6979 strcat(bookMove, bookHit);
6980 HandleMachineMove(bookMove, &first);
6986 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6988 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6989 Markers *m = (Markers *) closure;
6990 if(rf == fromY && ff == fromX)
6991 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6992 || kind == WhiteCapturesEnPassant
6993 || kind == BlackCapturesEnPassant);
6994 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6998 MarkTargetSquares (int clear)
7001 if(clear) // no reason to ever suppress clearing
7002 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
7003 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7004 !appData.testLegality || gameMode == EditPosition) return;
7007 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7008 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7009 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7011 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7014 DrawPosition(FALSE, NULL);
7018 Explode (Board board, int fromX, int fromY, int toX, int toY)
7020 if(gameInfo.variant == VariantAtomic &&
7021 (board[toY][toX] != EmptySquare || // capture?
7022 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7023 board[fromY][fromX] == BlackPawn )
7025 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7031 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7034 CanPromote (ChessSquare piece, int y)
7036 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7037 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7038 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7039 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7040 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7041 gameInfo.variant == VariantMakruk) return FALSE;
7042 return (piece == BlackPawn && y == 1 ||
7043 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7044 piece == BlackLance && y == 1 ||
7045 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7049 LeftClick (ClickType clickType, int xPix, int yPix)
7052 Boolean saveAnimate;
7053 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7054 char promoChoice = NULLCHAR;
7056 static TimeMark lastClickTime, prevClickTime;
7058 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7060 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7062 if (clickType == Press) ErrorPopDown();
7064 x = EventToSquare(xPix, BOARD_WIDTH);
7065 y = EventToSquare(yPix, BOARD_HEIGHT);
7066 if (!flipView && y >= 0) {
7067 y = BOARD_HEIGHT - 1 - y;
7069 if (flipView && x >= 0) {
7070 x = BOARD_WIDTH - 1 - x;
7073 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7074 defaultPromoChoice = promoSweep;
7075 promoSweep = EmptySquare; // terminate sweep
7076 promoDefaultAltered = TRUE;
7077 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7080 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7081 if(clickType == Release) return; // ignore upclick of click-click destination
7082 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7083 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7084 if(gameInfo.holdingsWidth &&
7085 (WhiteOnMove(currentMove)
7086 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7087 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7088 // click in right holdings, for determining promotion piece
7089 ChessSquare p = boards[currentMove][y][x];
7090 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7091 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7092 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7093 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7098 DrawPosition(FALSE, boards[currentMove]);
7102 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7103 if(clickType == Press
7104 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7105 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7106 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7109 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7110 // could be static click on premove from-square: abort premove
7112 ClearPremoveHighlights();
7115 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7116 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7118 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7119 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7120 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7121 defaultPromoChoice = DefaultPromoChoice(side);
7124 autoQueen = appData.alwaysPromoteToQueen;
7128 gatingPiece = EmptySquare;
7129 if (clickType != Press) {
7130 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7131 DragPieceEnd(xPix, yPix); dragging = 0;
7132 DrawPosition(FALSE, NULL);
7136 doubleClick = FALSE;
7137 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7138 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7140 fromX = x; fromY = y; toX = toY = -1;
7141 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7142 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7143 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7145 if (OKToStartUserMove(fromX, fromY)) {
7147 MarkTargetSquares(0);
7148 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7149 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7150 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7151 promoSweep = defaultPromoChoice;
7152 selectFlag = 0; lastX = xPix; lastY = yPix;
7153 Sweep(0); // Pawn that is going to promote: preview promotion piece
7154 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7156 if (appData.highlightDragging) {
7157 SetHighlights(fromX, fromY, -1, -1);
7161 } else fromX = fromY = -1;
7167 if (clickType == Press && gameMode != EditPosition) {
7172 // ignore off-board to clicks
7173 if(y < 0 || x < 0) return;
7175 /* Check if clicking again on the same color piece */
7176 fromP = boards[currentMove][fromY][fromX];
7177 toP = boards[currentMove][y][x];
7178 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7179 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7180 WhitePawn <= toP && toP <= WhiteKing &&
7181 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7182 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7183 (BlackPawn <= fromP && fromP <= BlackKing &&
7184 BlackPawn <= toP && toP <= BlackKing &&
7185 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7186 !(fromP == BlackKing && toP == BlackRook && frc))) {
7187 /* Clicked again on same color piece -- changed his mind */
7188 second = (x == fromX && y == fromY);
7189 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7190 second = FALSE; // first double-click rather than scond click
7191 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7193 promoDefaultAltered = FALSE;
7194 MarkTargetSquares(1);
7195 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7196 if (appData.highlightDragging) {
7197 SetHighlights(x, y, -1, -1);
7201 if (OKToStartUserMove(x, y)) {
7202 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7203 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7204 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7205 gatingPiece = boards[currentMove][fromY][fromX];
7206 else gatingPiece = doubleClick ? fromP : EmptySquare;
7208 fromY = y; dragging = 1;
7209 MarkTargetSquares(0);
7210 DragPieceBegin(xPix, yPix, FALSE);
7211 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7212 promoSweep = defaultPromoChoice;
7213 selectFlag = 0; lastX = xPix; lastY = yPix;
7214 Sweep(0); // Pawn that is going to promote: preview promotion piece
7218 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7221 // ignore clicks on holdings
7222 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7225 if (clickType == Release && x == fromX && y == fromY) {
7226 DragPieceEnd(xPix, yPix); dragging = 0;
7228 // a deferred attempt to click-click move an empty square on top of a piece
7229 boards[currentMove][y][x] = EmptySquare;
7231 DrawPosition(FALSE, boards[currentMove]);
7232 fromX = fromY = -1; clearFlag = 0;
7235 if (appData.animateDragging) {
7236 /* Undo animation damage if any */
7237 DrawPosition(FALSE, NULL);
7239 if (second || sweepSelecting) {
7240 /* Second up/down in same square; just abort move */
7241 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7242 second = sweepSelecting = 0;
7244 gatingPiece = EmptySquare;
7247 ClearPremoveHighlights();
7249 /* First upclick in same square; start click-click mode */
7250 SetHighlights(x, y, -1, -1);
7257 /* we now have a different from- and (possibly off-board) to-square */
7258 /* Completed move */
7259 if(!sweepSelecting) {
7262 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7264 saveAnimate = appData.animate;
7265 if (clickType == Press) {
7266 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7267 // must be Edit Position mode with empty-square selected
7268 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7269 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7272 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7273 if(appData.sweepSelect) {
7274 ChessSquare piece = boards[currentMove][fromY][fromX];
7275 promoSweep = defaultPromoChoice;
7276 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7277 selectFlag = 0; lastX = xPix; lastY = yPix;
7278 Sweep(0); // Pawn that is going to promote: preview promotion piece
7280 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7281 MarkTargetSquares(1);
7283 return; // promo popup appears on up-click
7285 /* Finish clickclick move */
7286 if (appData.animate || appData.highlightLastMove) {
7287 SetHighlights(fromX, fromY, toX, toY);
7293 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7294 /* Finish drag move */
7295 if (appData.highlightLastMove) {
7296 SetHighlights(fromX, fromY, toX, toY);
7301 DragPieceEnd(xPix, yPix); dragging = 0;
7302 /* Don't animate move and drag both */
7303 appData.animate = FALSE;
7306 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7307 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7308 ChessSquare piece = boards[currentMove][fromY][fromX];
7309 if(gameMode == EditPosition && piece != EmptySquare &&
7310 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7313 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7314 n = PieceToNumber(piece - (int)BlackPawn);
7315 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7316 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7317 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7319 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7320 n = PieceToNumber(piece);
7321 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7322 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7323 boards[currentMove][n][BOARD_WIDTH-2]++;
7325 boards[currentMove][fromY][fromX] = EmptySquare;
7329 MarkTargetSquares(1);
7330 DrawPosition(TRUE, boards[currentMove]);
7334 // off-board moves should not be highlighted
7335 if(x < 0 || y < 0) ClearHighlights();
7337 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7339 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7340 SetHighlights(fromX, fromY, toX, toY);
7341 MarkTargetSquares(1);
7342 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7343 // [HGM] super: promotion to captured piece selected from holdings
7344 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7345 promotionChoice = TRUE;
7346 // kludge follows to temporarily execute move on display, without promoting yet
7347 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7348 boards[currentMove][toY][toX] = p;
7349 DrawPosition(FALSE, boards[currentMove]);
7350 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7351 boards[currentMove][toY][toX] = q;
7352 DisplayMessage("Click in holdings to choose piece", "");
7357 int oldMove = currentMove;
7358 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7359 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7360 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7361 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7362 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7363 DrawPosition(TRUE, boards[currentMove]);
7364 MarkTargetSquares(1);
7367 appData.animate = saveAnimate;
7368 if (appData.animate || appData.animateDragging) {
7369 /* Undo animation damage if needed */
7370 DrawPosition(FALSE, NULL);
7375 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7376 { // front-end-free part taken out of PieceMenuPopup
7377 int whichMenu; int xSqr, ySqr;
7379 if(seekGraphUp) { // [HGM] seekgraph
7380 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7381 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7385 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7386 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7387 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7388 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7389 if(action == Press) {
7390 originalFlip = flipView;
7391 flipView = !flipView; // temporarily flip board to see game from partners perspective
7392 DrawPosition(TRUE, partnerBoard);
7393 DisplayMessage(partnerStatus, "");
7395 } else if(action == Release) {
7396 flipView = originalFlip;
7397 DrawPosition(TRUE, boards[currentMove]);
7403 xSqr = EventToSquare(x, BOARD_WIDTH);
7404 ySqr = EventToSquare(y, BOARD_HEIGHT);
7405 if (action == Release) {
7406 if(pieceSweep != EmptySquare) {
7407 EditPositionMenuEvent(pieceSweep, toX, toY);
7408 pieceSweep = EmptySquare;
7409 } else UnLoadPV(); // [HGM] pv
7411 if (action != Press) return -2; // return code to be ignored
7414 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7416 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7417 if (xSqr < 0 || ySqr < 0) return -1;
7418 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7419 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7420 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7421 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7425 if(!appData.icsEngineAnalyze) return -1;
7426 case IcsPlayingWhite:
7427 case IcsPlayingBlack:
7428 if(!appData.zippyPlay) goto noZip;
7431 case MachinePlaysWhite:
7432 case MachinePlaysBlack:
7433 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7434 if (!appData.dropMenu) {
7436 return 2; // flag front-end to grab mouse events
7438 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7439 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7442 if (xSqr < 0 || ySqr < 0) return -1;
7443 if (!appData.dropMenu || appData.testLegality &&
7444 gameInfo.variant != VariantBughouse &&
7445 gameInfo.variant != VariantCrazyhouse) return -1;
7446 whichMenu = 1; // drop menu
7452 if (((*fromX = xSqr) < 0) ||
7453 ((*fromY = ySqr) < 0)) {
7454 *fromX = *fromY = -1;
7458 *fromX = BOARD_WIDTH - 1 - *fromX;
7460 *fromY = BOARD_HEIGHT - 1 - *fromY;
7466 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7468 // char * hint = lastHint;
7469 FrontEndProgramStats stats;
7471 stats.which = cps == &first ? 0 : 1;
7472 stats.depth = cpstats->depth;
7473 stats.nodes = cpstats->nodes;
7474 stats.score = cpstats->score;
7475 stats.time = cpstats->time;
7476 stats.pv = cpstats->movelist;
7477 stats.hint = lastHint;
7478 stats.an_move_index = 0;
7479 stats.an_move_count = 0;
7481 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7482 stats.hint = cpstats->move_name;
7483 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7484 stats.an_move_count = cpstats->nr_moves;
7487 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
7489 SetProgramStats( &stats );
7493 ClearEngineOutputPane (int which)
7495 static FrontEndProgramStats dummyStats;
7496 dummyStats.which = which;
7497 dummyStats.pv = "#";
7498 SetProgramStats( &dummyStats );
7501 #define MAXPLAYERS 500
7504 TourneyStandings (int display)
7506 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7507 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7508 char result, *p, *names[MAXPLAYERS];
7510 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7511 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7512 names[0] = p = strdup(appData.participants);
7513 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7515 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7517 while(result = appData.results[nr]) {
7518 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7519 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7520 wScore = bScore = 0;
7522 case '+': wScore = 2; break;
7523 case '-': bScore = 2; break;
7524 case '=': wScore = bScore = 1; break;
7526 case '*': return strdup("busy"); // tourney not finished
7534 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7535 for(w=0; w<nPlayers; w++) {
7537 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7538 ranking[w] = b; points[w] = bScore; score[b] = -2;
7540 p = malloc(nPlayers*34+1);
7541 for(w=0; w<nPlayers && w<display; w++)
7542 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7548 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7549 { // count all piece types
7551 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7552 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7553 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7556 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7557 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7558 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7559 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7560 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7561 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7566 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7568 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7569 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7571 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7572 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7573 if(myPawns == 2 && nMine == 3) // KPP
7574 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7575 if(myPawns == 1 && nMine == 2) // KP
7576 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7577 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7578 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7579 if(myPawns) return FALSE;
7580 if(pCnt[WhiteRook+side])
7581 return pCnt[BlackRook-side] ||
7582 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7583 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7584 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7585 if(pCnt[WhiteCannon+side]) {
7586 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7587 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7589 if(pCnt[WhiteKnight+side])
7590 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7595 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7597 VariantClass v = gameInfo.variant;
7599 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7600 if(v == VariantShatranj) return TRUE; // always winnable through baring
7601 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7602 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7604 if(v == VariantXiangqi) {
7605 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7607 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7608 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7609 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7610 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7611 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7612 if(stale) // we have at least one last-rank P plus perhaps C
7613 return majors // KPKX
7614 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7616 return pCnt[WhiteFerz+side] // KCAK
7617 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7618 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7619 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7621 } else if(v == VariantKnightmate) {
7622 if(nMine == 1) return FALSE;
7623 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7624 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7625 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7627 if(nMine == 1) return FALSE; // bare King
7628 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
7629 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7630 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7631 // by now we have King + 1 piece (or multiple Bishops on the same color)
7632 if(pCnt[WhiteKnight+side])
7633 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7634 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7635 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7637 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7638 if(pCnt[WhiteAlfil+side])
7639 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7640 if(pCnt[WhiteWazir+side])
7641 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7648 CompareWithRights (Board b1, Board b2)
7651 if(!CompareBoards(b1, b2)) return FALSE;
7652 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7653 /* compare castling rights */
7654 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7655 rights++; /* King lost rights, while rook still had them */
7656 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7657 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7658 rights++; /* but at least one rook lost them */
7660 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7662 if( b1[CASTLING][5] != NoRights ) {
7663 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7670 Adjudicate (ChessProgramState *cps)
7671 { // [HGM] some adjudications useful with buggy engines
7672 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7673 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7674 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7675 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7676 int k, drop, count = 0; static int bare = 1;
7677 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7678 Boolean canAdjudicate = !appData.icsActive;
7680 // most tests only when we understand the game, i.e. legality-checking on
7681 if( appData.testLegality )
7682 { /* [HGM] Some more adjudications for obstinate engines */
7683 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7684 static int moveCount = 6;
7686 char *reason = NULL;
7688 /* Count what is on board. */
7689 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7691 /* Some material-based adjudications that have to be made before stalemate test */
7692 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7693 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7694 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7695 if(canAdjudicate && appData.checkMates) {
7697 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7698 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7699 "Xboard adjudication: King destroyed", GE_XBOARD );
7704 /* Bare King in Shatranj (loses) or Losers (wins) */
7705 if( nrW == 1 || nrB == 1) {
7706 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7707 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7708 if(canAdjudicate && appData.checkMates) {
7710 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7711 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7712 "Xboard adjudication: Bare king", GE_XBOARD );
7716 if( gameInfo.variant == VariantShatranj && --bare < 0)
7718 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7719 if(canAdjudicate && appData.checkMates) {
7720 /* but only adjudicate if adjudication enabled */
7722 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7723 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7724 "Xboard adjudication: Bare king", GE_XBOARD );
7731 // don't wait for engine to announce game end if we can judge ourselves
7732 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7734 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7735 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7736 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7737 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7740 reason = "Xboard adjudication: 3rd check";
7741 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7751 reason = "Xboard adjudication: Stalemate";
7752 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7753 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7754 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7755 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7756 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7757 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7758 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7759 EP_CHECKMATE : EP_WINS);
7760 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7761 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7765 reason = "Xboard adjudication: Checkmate";
7766 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7770 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7772 result = GameIsDrawn; break;
7774 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7776 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7780 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7782 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7783 GameEnds( result, reason, GE_XBOARD );
7787 /* Next absolutely insufficient mating material. */
7788 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7789 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7790 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7792 /* always flag draws, for judging claims */
7793 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7795 if(canAdjudicate && appData.materialDraws) {
7796 /* but only adjudicate them if adjudication enabled */
7797 if(engineOpponent) {
7798 SendToProgram("force\n", engineOpponent); // suppress reply
7799 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7801 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7806 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7807 if(gameInfo.variant == VariantXiangqi ?
7808 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7810 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7811 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7812 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7813 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7815 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7816 { /* if the first 3 moves do not show a tactical win, declare draw */
7817 if(engineOpponent) {
7818 SendToProgram("force\n", engineOpponent); // suppress reply
7819 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7821 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7824 } else moveCount = 6;
7827 // Repetition draws and 50-move rule can be applied independently of legality testing
7829 /* Check for rep-draws */
7831 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7832 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7833 for(k = forwardMostMove-2;
7834 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7835 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7836 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7839 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7840 /* compare castling rights */
7841 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7842 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7843 rights++; /* King lost rights, while rook still had them */
7844 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7845 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7846 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7847 rights++; /* but at least one rook lost them */
7849 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7850 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7852 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7853 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7854 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7857 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7858 && appData.drawRepeats > 1) {
7859 /* adjudicate after user-specified nr of repeats */
7860 int result = GameIsDrawn;
7861 char *details = "XBoard adjudication: repetition draw";
7862 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7863 // [HGM] xiangqi: check for forbidden perpetuals
7864 int m, ourPerpetual = 1, hisPerpetual = 1;
7865 for(m=forwardMostMove; m>k; m-=2) {
7866 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7867 ourPerpetual = 0; // the current mover did not always check
7868 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7869 hisPerpetual = 0; // the opponent did not always check
7871 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7872 ourPerpetual, hisPerpetual);
7873 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7874 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7875 details = "Xboard adjudication: perpetual checking";
7877 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7878 break; // (or we would have caught him before). Abort repetition-checking loop.
7880 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7881 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7883 details = "Xboard adjudication: repetition";
7885 } else // it must be XQ
7886 // Now check for perpetual chases
7887 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7888 hisPerpetual = PerpetualChase(k, forwardMostMove);
7889 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7890 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7891 static char resdet[MSG_SIZ];
7892 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7894 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7896 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7897 break; // Abort repetition-checking loop.
7899 // if neither of us is checking or chasing all the time, or both are, it is draw
7901 if(engineOpponent) {
7902 SendToProgram("force\n", engineOpponent); // suppress reply
7903 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7905 GameEnds( result, details, GE_XBOARD );
7908 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7909 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7913 /* Now we test for 50-move draws. Determine ply count */
7914 count = forwardMostMove;
7915 /* look for last irreversble move */
7916 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7918 /* if we hit starting position, add initial plies */
7919 if( count == backwardMostMove )
7920 count -= initialRulePlies;
7921 count = forwardMostMove - count;
7922 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7923 // adjust reversible move counter for checks in Xiangqi
7924 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7925 if(i < backwardMostMove) i = backwardMostMove;
7926 while(i <= forwardMostMove) {
7927 lastCheck = inCheck; // check evasion does not count
7928 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7929 if(inCheck || lastCheck) count--; // check does not count
7934 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7935 /* this is used to judge if draw claims are legal */
7936 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7937 if(engineOpponent) {
7938 SendToProgram("force\n", engineOpponent); // suppress reply
7939 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7941 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7945 /* if draw offer is pending, treat it as a draw claim
7946 * when draw condition present, to allow engines a way to
7947 * claim draws before making their move to avoid a race
7948 * condition occurring after their move
7950 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7952 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7953 p = "Draw claim: 50-move rule";
7954 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7955 p = "Draw claim: 3-fold repetition";
7956 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7957 p = "Draw claim: insufficient mating material";
7958 if( p != NULL && canAdjudicate) {
7959 if(engineOpponent) {
7960 SendToProgram("force\n", engineOpponent); // suppress reply
7961 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7963 GameEnds( GameIsDrawn, p, GE_XBOARD );
7968 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7969 if(engineOpponent) {
7970 SendToProgram("force\n", engineOpponent); // suppress reply
7971 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7973 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7980 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7981 { // [HGM] book: this routine intercepts moves to simulate book replies
7982 char *bookHit = NULL;
7984 //first determine if the incoming move brings opponent into his book
7985 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7986 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7987 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7988 if(bookHit != NULL && !cps->bookSuspend) {
7989 // make sure opponent is not going to reply after receiving move to book position
7990 SendToProgram("force\n", cps);
7991 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7993 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7994 // now arrange restart after book miss
7996 // after a book hit we never send 'go', and the code after the call to this routine
7997 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7998 char buf[MSG_SIZ], *move = bookHit;
8000 int fromX, fromY, toX, toY;
8004 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8005 &fromX, &fromY, &toX, &toY, &promoChar)) {
8006 (void) CoordsToAlgebraic(boards[forwardMostMove],
8007 PosFlags(forwardMostMove),
8008 fromY, fromX, toY, toX, promoChar, move);
8010 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8014 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8015 SendToProgram(buf, cps);
8016 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8017 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8018 SendToProgram("go\n", cps);
8019 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8020 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8021 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8022 SendToProgram("go\n", cps);
8023 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8025 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8029 LoadError (char *errmess, ChessProgramState *cps)
8030 { // unloads engine and switches back to -ncp mode if it was first
8031 if(cps->initDone) return FALSE;
8032 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8033 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8036 appData.noChessProgram = TRUE;
8037 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8038 gameMode = BeginningOfGame; ModeHighlight();
8041 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8042 DisplayMessage("", ""); // erase waiting message
8043 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8048 ChessProgramState *savedState;
8050 DeferredBookMove (void)
8052 if(savedState->lastPing != savedState->lastPong)
8053 ScheduleDelayedEvent(DeferredBookMove, 10);
8055 HandleMachineMove(savedMessage, savedState);
8058 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8059 static ChessProgramState *stalledEngine;
8060 static char stashedInputMove[MSG_SIZ];
8063 HandleMachineMove (char *message, ChessProgramState *cps)
8065 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8066 char realname[MSG_SIZ];
8067 int fromX, fromY, toX, toY;
8071 int machineWhite, oldError;
8074 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8075 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8076 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8077 DisplayError(_("Invalid pairing from pairing engine"), 0);
8080 pairingReceived = 1;
8082 return; // Skim the pairing messages here.
8085 oldError = cps->userError; cps->userError = 0;
8087 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8089 * Kludge to ignore BEL characters
8091 while (*message == '\007') message++;
8094 * [HGM] engine debug message: ignore lines starting with '#' character
8096 if(cps->debug && *message == '#') return;
8099 * Look for book output
8101 if (cps == &first && bookRequested) {
8102 if (message[0] == '\t' || message[0] == ' ') {
8103 /* Part of the book output is here; append it */
8104 strcat(bookOutput, message);
8105 strcat(bookOutput, " \n");
8107 } else if (bookOutput[0] != NULLCHAR) {
8108 /* All of book output has arrived; display it */
8109 char *p = bookOutput;
8110 while (*p != NULLCHAR) {
8111 if (*p == '\t') *p = ' ';
8114 DisplayInformation(bookOutput);
8115 bookRequested = FALSE;
8116 /* Fall through to parse the current output */
8121 * Look for machine move.
8123 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8124 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8126 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8127 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8128 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8129 stalledEngine = cps;
8130 if(appData.ponderNextMove) { // bring opponent out of ponder
8131 if(gameMode == TwoMachinesPlay) {
8132 if(cps->other->pause)
8133 PauseEngine(cps->other);
8135 SendToProgram("easy\n", cps->other);
8142 /* This method is only useful on engines that support ping */
8143 if (cps->lastPing != cps->lastPong) {
8144 if (gameMode == BeginningOfGame) {
8145 /* Extra move from before last new; ignore */
8146 if (appData.debugMode) {
8147 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8150 if (appData.debugMode) {
8151 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8152 cps->which, gameMode);
8155 SendToProgram("undo\n", cps);
8161 case BeginningOfGame:
8162 /* Extra move from before last reset; ignore */
8163 if (appData.debugMode) {
8164 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8171 /* Extra move after we tried to stop. The mode test is
8172 not a reliable way of detecting this problem, but it's
8173 the best we can do on engines that don't support ping.
8175 if (appData.debugMode) {
8176 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8177 cps->which, gameMode);
8179 SendToProgram("undo\n", cps);
8182 case MachinePlaysWhite:
8183 case IcsPlayingWhite:
8184 machineWhite = TRUE;
8187 case MachinePlaysBlack:
8188 case IcsPlayingBlack:
8189 machineWhite = FALSE;
8192 case TwoMachinesPlay:
8193 machineWhite = (cps->twoMachinesColor[0] == 'w');
8196 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8197 if (appData.debugMode) {
8199 "Ignoring move out of turn by %s, gameMode %d"
8200 ", forwardMost %d\n",
8201 cps->which, gameMode, forwardMostMove);
8206 if(cps->alphaRank) AlphaRank(machineMove, 4);
8207 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8208 &fromX, &fromY, &toX, &toY, &promoChar)) {
8209 /* Machine move could not be parsed; ignore it. */
8210 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8211 machineMove, _(cps->which));
8212 DisplayMoveError(buf1);
8213 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8214 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8215 if (gameMode == TwoMachinesPlay) {
8216 GameEnds(machineWhite ? BlackWins : WhiteWins,
8222 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8223 /* So we have to redo legality test with true e.p. status here, */
8224 /* to make sure an illegal e.p. capture does not slip through, */
8225 /* to cause a forfeit on a justified illegal-move complaint */
8226 /* of the opponent. */
8227 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8229 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8230 fromY, fromX, toY, toX, promoChar);
8231 if(moveType == IllegalMove) {
8232 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8233 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8234 GameEnds(machineWhite ? BlackWins : WhiteWins,
8237 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8238 /* [HGM] Kludge to handle engines that send FRC-style castling
8239 when they shouldn't (like TSCP-Gothic) */
8241 case WhiteASideCastleFR:
8242 case BlackASideCastleFR:
8244 currentMoveString[2]++;
8246 case WhiteHSideCastleFR:
8247 case BlackHSideCastleFR:
8249 currentMoveString[2]--;
8251 default: ; // nothing to do, but suppresses warning of pedantic compilers
8254 hintRequested = FALSE;
8255 lastHint[0] = NULLCHAR;
8256 bookRequested = FALSE;
8257 /* Program may be pondering now */
8258 cps->maybeThinking = TRUE;
8259 if (cps->sendTime == 2) cps->sendTime = 1;
8260 if (cps->offeredDraw) cps->offeredDraw--;
8262 /* [AS] Save move info*/
8263 pvInfoList[ forwardMostMove ].score = programStats.score;
8264 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8265 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8267 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8269 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8270 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8273 while( count < adjudicateLossPlies ) {
8274 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8277 score = -score; /* Flip score for winning side */
8280 if( score > adjudicateLossThreshold ) {
8287 if( count >= adjudicateLossPlies ) {
8288 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8290 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8291 "Xboard adjudication",
8298 if(Adjudicate(cps)) {
8299 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8300 return; // [HGM] adjudicate: for all automatic game ends
8304 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8306 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8307 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8309 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8311 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8313 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8314 char buf[3*MSG_SIZ];
8316 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8317 programStats.score / 100.,
8319 programStats.time / 100.,
8320 (unsigned int)programStats.nodes,
8321 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8322 programStats.movelist);
8324 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8329 /* [AS] Clear stats for next move */
8330 ClearProgramStats();
8331 thinkOutput[0] = NULLCHAR;
8332 hiddenThinkOutputState = 0;
8335 if (gameMode == TwoMachinesPlay) {
8336 /* [HGM] relaying draw offers moved to after reception of move */
8337 /* and interpreting offer as claim if it brings draw condition */
8338 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8339 SendToProgram("draw\n", cps->other);
8341 if (cps->other->sendTime) {
8342 SendTimeRemaining(cps->other,
8343 cps->other->twoMachinesColor[0] == 'w');
8345 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8346 if (firstMove && !bookHit) {
8348 if (cps->other->useColors) {
8349 SendToProgram(cps->other->twoMachinesColor, cps->other);
8351 SendToProgram("go\n", cps->other);
8353 cps->other->maybeThinking = TRUE;
8356 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8358 if (!pausing && appData.ringBellAfterMoves) {
8363 * Reenable menu items that were disabled while
8364 * machine was thinking
8366 if (gameMode != TwoMachinesPlay)
8367 SetUserThinkingEnables();
8369 // [HGM] book: after book hit opponent has received move and is now in force mode
8370 // force the book reply into it, and then fake that it outputted this move by jumping
8371 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8373 static char bookMove[MSG_SIZ]; // a bit generous?
8375 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8376 strcat(bookMove, bookHit);
8379 programStats.nodes = programStats.depth = programStats.time =
8380 programStats.score = programStats.got_only_move = 0;
8381 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8383 if(cps->lastPing != cps->lastPong) {
8384 savedMessage = message; // args for deferred call
8386 ScheduleDelayedEvent(DeferredBookMove, 10);
8395 /* Set special modes for chess engines. Later something general
8396 * could be added here; for now there is just one kludge feature,
8397 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8398 * when "xboard" is given as an interactive command.
8400 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8401 cps->useSigint = FALSE;
8402 cps->useSigterm = FALSE;
8404 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8405 ParseFeatures(message+8, cps);
8406 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8409 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8410 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8411 int dummy, s=6; char buf[MSG_SIZ];
8412 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8413 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8414 if(startedFromSetupPosition) return;
8415 ParseFEN(boards[0], &dummy, message+s);
8416 DrawPosition(TRUE, boards[0]);
8417 startedFromSetupPosition = TRUE;
8420 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8421 * want this, I was asked to put it in, and obliged.
8423 if (!strncmp(message, "setboard ", 9)) {
8424 Board initial_position;
8426 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8428 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8429 DisplayError(_("Bad FEN received from engine"), 0);
8433 CopyBoard(boards[0], initial_position);
8434 initialRulePlies = FENrulePlies;
8435 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8436 else gameMode = MachinePlaysBlack;
8437 DrawPosition(FALSE, boards[currentMove]);
8443 * Look for communication commands
8445 if (!strncmp(message, "telluser ", 9)) {
8446 if(message[9] == '\\' && message[10] == '\\')
8447 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8449 DisplayNote(message + 9);
8452 if (!strncmp(message, "tellusererror ", 14)) {
8454 if(message[14] == '\\' && message[15] == '\\')
8455 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8457 DisplayError(message + 14, 0);
8460 if (!strncmp(message, "tellopponent ", 13)) {
8461 if (appData.icsActive) {
8463 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8467 DisplayNote(message + 13);
8471 if (!strncmp(message, "tellothers ", 11)) {
8472 if (appData.icsActive) {
8474 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8477 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8480 if (!strncmp(message, "tellall ", 8)) {
8481 if (appData.icsActive) {
8483 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8487 DisplayNote(message + 8);
8491 if (strncmp(message, "warning", 7) == 0) {
8492 /* Undocumented feature, use tellusererror in new code */
8493 DisplayError(message, 0);
8496 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8497 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8498 strcat(realname, " query");
8499 AskQuestion(realname, buf2, buf1, cps->pr);
8502 /* Commands from the engine directly to ICS. We don't allow these to be
8503 * sent until we are logged on. Crafty kibitzes have been known to
8504 * interfere with the login process.
8507 if (!strncmp(message, "tellics ", 8)) {
8508 SendToICS(message + 8);
8512 if (!strncmp(message, "tellicsnoalias ", 15)) {
8513 SendToICS(ics_prefix);
8514 SendToICS(message + 15);
8518 /* The following are for backward compatibility only */
8519 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8520 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8521 SendToICS(ics_prefix);
8527 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8531 * If the move is illegal, cancel it and redraw the board.
8532 * Also deal with other error cases. Matching is rather loose
8533 * here to accommodate engines written before the spec.
8535 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8536 strncmp(message, "Error", 5) == 0) {
8537 if (StrStr(message, "name") ||
8538 StrStr(message, "rating") || StrStr(message, "?") ||
8539 StrStr(message, "result") || StrStr(message, "board") ||
8540 StrStr(message, "bk") || StrStr(message, "computer") ||
8541 StrStr(message, "variant") || StrStr(message, "hint") ||
8542 StrStr(message, "random") || StrStr(message, "depth") ||
8543 StrStr(message, "accepted")) {
8546 if (StrStr(message, "protover")) {
8547 /* Program is responding to input, so it's apparently done
8548 initializing, and this error message indicates it is
8549 protocol version 1. So we don't need to wait any longer
8550 for it to initialize and send feature commands. */
8551 FeatureDone(cps, 1);
8552 cps->protocolVersion = 1;
8555 cps->maybeThinking = FALSE;
8557 if (StrStr(message, "draw")) {
8558 /* Program doesn't have "draw" command */
8559 cps->sendDrawOffers = 0;
8562 if (cps->sendTime != 1 &&
8563 (StrStr(message, "time") || StrStr(message, "otim"))) {
8564 /* Program apparently doesn't have "time" or "otim" command */
8568 if (StrStr(message, "analyze")) {
8569 cps->analysisSupport = FALSE;
8570 cps->analyzing = FALSE;
8571 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8572 EditGameEvent(); // [HGM] try to preserve loaded game
8573 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8574 DisplayError(buf2, 0);
8577 if (StrStr(message, "(no matching move)st")) {
8578 /* Special kludge for GNU Chess 4 only */
8579 cps->stKludge = TRUE;
8580 SendTimeControl(cps, movesPerSession, timeControl,
8581 timeIncrement, appData.searchDepth,
8585 if (StrStr(message, "(no matching move)sd")) {
8586 /* Special kludge for GNU Chess 4 only */
8587 cps->sdKludge = TRUE;
8588 SendTimeControl(cps, movesPerSession, timeControl,
8589 timeIncrement, appData.searchDepth,
8593 if (!StrStr(message, "llegal")) {
8596 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8597 gameMode == IcsIdle) return;
8598 if (forwardMostMove <= backwardMostMove) return;
8599 if (pausing) PauseEvent();
8600 if(appData.forceIllegal) {
8601 // [HGM] illegal: machine refused move; force position after move into it
8602 SendToProgram("force\n", cps);
8603 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8604 // we have a real problem now, as SendBoard will use the a2a3 kludge
8605 // when black is to move, while there might be nothing on a2 or black
8606 // might already have the move. So send the board as if white has the move.
8607 // But first we must change the stm of the engine, as it refused the last move
8608 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8609 if(WhiteOnMove(forwardMostMove)) {
8610 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8611 SendBoard(cps, forwardMostMove); // kludgeless board
8613 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8614 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8615 SendBoard(cps, forwardMostMove+1); // kludgeless board
8617 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8618 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8619 gameMode == TwoMachinesPlay)
8620 SendToProgram("go\n", cps);
8623 if (gameMode == PlayFromGameFile) {
8624 /* Stop reading this game file */
8625 gameMode = EditGame;
8628 /* [HGM] illegal-move claim should forfeit game when Xboard */
8629 /* only passes fully legal moves */
8630 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8631 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8632 "False illegal-move claim", GE_XBOARD );
8633 return; // do not take back move we tested as valid
8635 currentMove = forwardMostMove-1;
8636 DisplayMove(currentMove-1); /* before DisplayMoveError */
8637 SwitchClocks(forwardMostMove-1); // [HGM] race
8638 DisplayBothClocks();
8639 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8640 parseList[currentMove], _(cps->which));
8641 DisplayMoveError(buf1);
8642 DrawPosition(FALSE, boards[currentMove]);
8644 SetUserThinkingEnables();
8647 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8648 /* Program has a broken "time" command that
8649 outputs a string not ending in newline.
8655 * If chess program startup fails, exit with an error message.
8656 * Attempts to recover here are futile. [HGM] Well, we try anyway
8658 if ((StrStr(message, "unknown host") != NULL)
8659 || (StrStr(message, "No remote directory") != NULL)
8660 || (StrStr(message, "not found") != NULL)
8661 || (StrStr(message, "No such file") != NULL)
8662 || (StrStr(message, "can't alloc") != NULL)
8663 || (StrStr(message, "Permission denied") != NULL)) {
8665 cps->maybeThinking = FALSE;
8666 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8667 _(cps->which), cps->program, cps->host, message);
8668 RemoveInputSource(cps->isr);
8669 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8670 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8671 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8677 * Look for hint output
8679 if (sscanf(message, "Hint: %s", buf1) == 1) {
8680 if (cps == &first && hintRequested) {
8681 hintRequested = FALSE;
8682 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8683 &fromX, &fromY, &toX, &toY, &promoChar)) {
8684 (void) CoordsToAlgebraic(boards[forwardMostMove],
8685 PosFlags(forwardMostMove),
8686 fromY, fromX, toY, toX, promoChar, buf1);
8687 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8688 DisplayInformation(buf2);
8690 /* Hint move could not be parsed!? */
8691 snprintf(buf2, sizeof(buf2),
8692 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8693 buf1, _(cps->which));
8694 DisplayError(buf2, 0);
8697 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8703 * Ignore other messages if game is not in progress
8705 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8706 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8709 * look for win, lose, draw, or draw offer
8711 if (strncmp(message, "1-0", 3) == 0) {
8712 char *p, *q, *r = "";
8713 p = strchr(message, '{');
8721 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8723 } else if (strncmp(message, "0-1", 3) == 0) {
8724 char *p, *q, *r = "";
8725 p = strchr(message, '{');
8733 /* Kludge for Arasan 4.1 bug */
8734 if (strcmp(r, "Black resigns") == 0) {
8735 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8738 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8740 } else if (strncmp(message, "1/2", 3) == 0) {
8741 char *p, *q, *r = "";
8742 p = strchr(message, '{');
8751 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8754 } else if (strncmp(message, "White resign", 12) == 0) {
8755 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8757 } else if (strncmp(message, "Black resign", 12) == 0) {
8758 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8760 } else if (strncmp(message, "White matches", 13) == 0 ||
8761 strncmp(message, "Black matches", 13) == 0 ) {
8762 /* [HGM] ignore GNUShogi noises */
8764 } else if (strncmp(message, "White", 5) == 0 &&
8765 message[5] != '(' &&
8766 StrStr(message, "Black") == NULL) {
8767 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8769 } else if (strncmp(message, "Black", 5) == 0 &&
8770 message[5] != '(') {
8771 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8773 } else if (strcmp(message, "resign") == 0 ||
8774 strcmp(message, "computer resigns") == 0) {
8776 case MachinePlaysBlack:
8777 case IcsPlayingBlack:
8778 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8780 case MachinePlaysWhite:
8781 case IcsPlayingWhite:
8782 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8784 case TwoMachinesPlay:
8785 if (cps->twoMachinesColor[0] == 'w')
8786 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8788 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8795 } else if (strncmp(message, "opponent mates", 14) == 0) {
8797 case MachinePlaysBlack:
8798 case IcsPlayingBlack:
8799 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8801 case MachinePlaysWhite:
8802 case IcsPlayingWhite:
8803 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8805 case TwoMachinesPlay:
8806 if (cps->twoMachinesColor[0] == 'w')
8807 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8809 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8816 } else if (strncmp(message, "computer mates", 14) == 0) {
8818 case MachinePlaysBlack:
8819 case IcsPlayingBlack:
8820 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8822 case MachinePlaysWhite:
8823 case IcsPlayingWhite:
8824 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8826 case TwoMachinesPlay:
8827 if (cps->twoMachinesColor[0] == 'w')
8828 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8830 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8837 } else if (strncmp(message, "checkmate", 9) == 0) {
8838 if (WhiteOnMove(forwardMostMove)) {
8839 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8841 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8844 } else if (strstr(message, "Draw") != NULL ||
8845 strstr(message, "game is a draw") != NULL) {
8846 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8848 } else if (strstr(message, "offer") != NULL &&
8849 strstr(message, "draw") != NULL) {
8851 if (appData.zippyPlay && first.initDone) {
8852 /* Relay offer to ICS */
8853 SendToICS(ics_prefix);
8854 SendToICS("draw\n");
8857 cps->offeredDraw = 2; /* valid until this engine moves twice */
8858 if (gameMode == TwoMachinesPlay) {
8859 if (cps->other->offeredDraw) {
8860 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8861 /* [HGM] in two-machine mode we delay relaying draw offer */
8862 /* until after we also have move, to see if it is really claim */
8864 } else if (gameMode == MachinePlaysWhite ||
8865 gameMode == MachinePlaysBlack) {
8866 if (userOfferedDraw) {
8867 DisplayInformation(_("Machine accepts your draw offer"));
8868 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8870 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8877 * Look for thinking output
8879 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8880 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8882 int plylev, mvleft, mvtot, curscore, time;
8883 char mvname[MOVE_LEN];
8887 int prefixHint = FALSE;
8888 mvname[0] = NULLCHAR;
8891 case MachinePlaysBlack:
8892 case IcsPlayingBlack:
8893 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8895 case MachinePlaysWhite:
8896 case IcsPlayingWhite:
8897 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8902 case IcsObserving: /* [DM] icsEngineAnalyze */
8903 if (!appData.icsEngineAnalyze) ignore = TRUE;
8905 case TwoMachinesPlay:
8906 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8916 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8918 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8919 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8921 if (plyext != ' ' && plyext != '\t') {
8925 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8926 if( cps->scoreIsAbsolute &&
8927 ( gameMode == MachinePlaysBlack ||
8928 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8929 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8930 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8931 !WhiteOnMove(currentMove)
8934 curscore = -curscore;
8937 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8939 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8942 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8943 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8944 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8945 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8946 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8947 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8949 } else DisplayError(_("failed writing PV"), 0);
8952 tempStats.depth = plylev;
8953 tempStats.nodes = nodes;
8954 tempStats.time = time;
8955 tempStats.score = curscore;
8956 tempStats.got_only_move = 0;
8958 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8961 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8962 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8963 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8964 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8965 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8966 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8967 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8968 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8971 /* Buffer overflow protection */
8972 if (pv[0] != NULLCHAR) {
8973 if (strlen(pv) >= sizeof(tempStats.movelist)
8974 && appData.debugMode) {
8976 "PV is too long; using the first %u bytes.\n",
8977 (unsigned) sizeof(tempStats.movelist) - 1);
8980 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8982 sprintf(tempStats.movelist, " no PV\n");
8985 if (tempStats.seen_stat) {
8986 tempStats.ok_to_send = 1;
8989 if (strchr(tempStats.movelist, '(') != NULL) {
8990 tempStats.line_is_book = 1;
8991 tempStats.nr_moves = 0;
8992 tempStats.moves_left = 0;
8994 tempStats.line_is_book = 0;
8997 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8998 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9000 SendProgramStatsToFrontend( cps, &tempStats );
9003 [AS] Protect the thinkOutput buffer from overflow... this
9004 is only useful if buf1 hasn't overflowed first!
9006 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9008 (gameMode == TwoMachinesPlay ?
9009 ToUpper(cps->twoMachinesColor[0]) : ' '),
9010 ((double) curscore) / 100.0,
9011 prefixHint ? lastHint : "",
9012 prefixHint ? " " : "" );
9014 if( buf1[0] != NULLCHAR ) {
9015 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9017 if( strlen(pv) > max_len ) {
9018 if( appData.debugMode) {
9019 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9021 pv[max_len+1] = '\0';
9024 strcat( thinkOutput, pv);
9027 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9028 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9029 DisplayMove(currentMove - 1);
9033 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9034 /* crafty (9.25+) says "(only move) <move>"
9035 * if there is only 1 legal move
9037 sscanf(p, "(only move) %s", buf1);
9038 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9039 sprintf(programStats.movelist, "%s (only move)", buf1);
9040 programStats.depth = 1;
9041 programStats.nr_moves = 1;
9042 programStats.moves_left = 1;
9043 programStats.nodes = 1;
9044 programStats.time = 1;
9045 programStats.got_only_move = 1;
9047 /* Not really, but we also use this member to
9048 mean "line isn't going to change" (Crafty
9049 isn't searching, so stats won't change) */
9050 programStats.line_is_book = 1;
9052 SendProgramStatsToFrontend( cps, &programStats );
9054 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9055 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9056 DisplayMove(currentMove - 1);
9059 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9060 &time, &nodes, &plylev, &mvleft,
9061 &mvtot, mvname) >= 5) {
9062 /* The stat01: line is from Crafty (9.29+) in response
9063 to the "." command */
9064 programStats.seen_stat = 1;
9065 cps->maybeThinking = TRUE;
9067 if (programStats.got_only_move || !appData.periodicUpdates)
9070 programStats.depth = plylev;
9071 programStats.time = time;
9072 programStats.nodes = nodes;
9073 programStats.moves_left = mvleft;
9074 programStats.nr_moves = mvtot;
9075 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9076 programStats.ok_to_send = 1;
9077 programStats.movelist[0] = '\0';
9079 SendProgramStatsToFrontend( cps, &programStats );
9083 } else if (strncmp(message,"++",2) == 0) {
9084 /* Crafty 9.29+ outputs this */
9085 programStats.got_fail = 2;
9088 } else if (strncmp(message,"--",2) == 0) {
9089 /* Crafty 9.29+ outputs this */
9090 programStats.got_fail = 1;
9093 } else if (thinkOutput[0] != NULLCHAR &&
9094 strncmp(message, " ", 4) == 0) {
9095 unsigned message_len;
9098 while (*p && *p == ' ') p++;
9100 message_len = strlen( p );
9102 /* [AS] Avoid buffer overflow */
9103 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9104 strcat(thinkOutput, " ");
9105 strcat(thinkOutput, p);
9108 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9109 strcat(programStats.movelist, " ");
9110 strcat(programStats.movelist, p);
9113 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9114 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9115 DisplayMove(currentMove - 1);
9123 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9124 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9126 ChessProgramStats cpstats;
9128 if (plyext != ' ' && plyext != '\t') {
9132 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9133 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9134 curscore = -curscore;
9137 cpstats.depth = plylev;
9138 cpstats.nodes = nodes;
9139 cpstats.time = time;
9140 cpstats.score = curscore;
9141 cpstats.got_only_move = 0;
9142 cpstats.movelist[0] = '\0';
9144 if (buf1[0] != NULLCHAR) {
9145 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9148 cpstats.ok_to_send = 0;
9149 cpstats.line_is_book = 0;
9150 cpstats.nr_moves = 0;
9151 cpstats.moves_left = 0;
9153 SendProgramStatsToFrontend( cps, &cpstats );
9160 /* Parse a game score from the character string "game", and
9161 record it as the history of the current game. The game
9162 score is NOT assumed to start from the standard position.
9163 The display is not updated in any way.
9166 ParseGameHistory (char *game)
9169 int fromX, fromY, toX, toY, boardIndex;
9174 if (appData.debugMode)
9175 fprintf(debugFP, "Parsing game history: %s\n", game);
9177 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9178 gameInfo.site = StrSave(appData.icsHost);
9179 gameInfo.date = PGNDate();
9180 gameInfo.round = StrSave("-");
9182 /* Parse out names of players */
9183 while (*game == ' ') game++;
9185 while (*game != ' ') *p++ = *game++;
9187 gameInfo.white = StrSave(buf);
9188 while (*game == ' ') game++;
9190 while (*game != ' ' && *game != '\n') *p++ = *game++;
9192 gameInfo.black = StrSave(buf);
9195 boardIndex = blackPlaysFirst ? 1 : 0;
9198 yyboardindex = boardIndex;
9199 moveType = (ChessMove) Myylex();
9201 case IllegalMove: /* maybe suicide chess, etc. */
9202 if (appData.debugMode) {
9203 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9204 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9205 setbuf(debugFP, NULL);
9207 case WhitePromotion:
9208 case BlackPromotion:
9209 case WhiteNonPromotion:
9210 case BlackNonPromotion:
9212 case WhiteCapturesEnPassant:
9213 case BlackCapturesEnPassant:
9214 case WhiteKingSideCastle:
9215 case WhiteQueenSideCastle:
9216 case BlackKingSideCastle:
9217 case BlackQueenSideCastle:
9218 case WhiteKingSideCastleWild:
9219 case WhiteQueenSideCastleWild:
9220 case BlackKingSideCastleWild:
9221 case BlackQueenSideCastleWild:
9223 case WhiteHSideCastleFR:
9224 case WhiteASideCastleFR:
9225 case BlackHSideCastleFR:
9226 case BlackASideCastleFR:
9228 fromX = currentMoveString[0] - AAA;
9229 fromY = currentMoveString[1] - ONE;
9230 toX = currentMoveString[2] - AAA;
9231 toY = currentMoveString[3] - ONE;
9232 promoChar = currentMoveString[4];
9236 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9237 fromX = moveType == WhiteDrop ?
9238 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9239 (int) CharToPiece(ToLower(currentMoveString[0]));
9241 toX = currentMoveString[2] - AAA;
9242 toY = currentMoveString[3] - ONE;
9243 promoChar = NULLCHAR;
9247 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9248 if (appData.debugMode) {
9249 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9250 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9251 setbuf(debugFP, NULL);
9253 DisplayError(buf, 0);
9255 case ImpossibleMove:
9257 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9258 if (appData.debugMode) {
9259 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9260 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9261 setbuf(debugFP, NULL);
9263 DisplayError(buf, 0);
9266 if (boardIndex < backwardMostMove) {
9267 /* Oops, gap. How did that happen? */
9268 DisplayError(_("Gap in move list"), 0);
9271 backwardMostMove = blackPlaysFirst ? 1 : 0;
9272 if (boardIndex > forwardMostMove) {
9273 forwardMostMove = boardIndex;
9277 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9278 strcat(parseList[boardIndex-1], " ");
9279 strcat(parseList[boardIndex-1], yy_text);
9291 case GameUnfinished:
9292 if (gameMode == IcsExamining) {
9293 if (boardIndex < backwardMostMove) {
9294 /* Oops, gap. How did that happen? */
9297 backwardMostMove = blackPlaysFirst ? 1 : 0;
9300 gameInfo.result = moveType;
9301 p = strchr(yy_text, '{');
9302 if (p == NULL) p = strchr(yy_text, '(');
9305 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9307 q = strchr(p, *p == '{' ? '}' : ')');
9308 if (q != NULL) *q = NULLCHAR;
9311 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9312 gameInfo.resultDetails = StrSave(p);
9315 if (boardIndex >= forwardMostMove &&
9316 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9317 backwardMostMove = blackPlaysFirst ? 1 : 0;
9320 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9321 fromY, fromX, toY, toX, promoChar,
9322 parseList[boardIndex]);
9323 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9324 /* currentMoveString is set as a side-effect of yylex */
9325 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9326 strcat(moveList[boardIndex], "\n");
9328 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9329 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9335 if(gameInfo.variant != VariantShogi)
9336 strcat(parseList[boardIndex - 1], "+");
9340 strcat(parseList[boardIndex - 1], "#");
9347 /* Apply a move to the given board */
9349 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9351 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9352 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9354 /* [HGM] compute & store e.p. status and castling rights for new position */
9355 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9357 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9358 oldEP = (signed char)board[EP_STATUS];
9359 board[EP_STATUS] = EP_NONE;
9361 if (fromY == DROP_RANK) {
9363 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9364 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9367 piece = board[toY][toX] = (ChessSquare) fromX;
9371 if( board[toY][toX] != EmptySquare )
9372 board[EP_STATUS] = EP_CAPTURE;
9374 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9375 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9376 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9378 if( board[fromY][fromX] == WhitePawn ) {
9379 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9380 board[EP_STATUS] = EP_PAWN_MOVE;
9382 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9383 gameInfo.variant != VariantBerolina || toX < fromX)
9384 board[EP_STATUS] = toX | berolina;
9385 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9386 gameInfo.variant != VariantBerolina || toX > fromX)
9387 board[EP_STATUS] = toX;
9390 if( board[fromY][fromX] == BlackPawn ) {
9391 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9392 board[EP_STATUS] = EP_PAWN_MOVE;
9393 if( toY-fromY== -2) {
9394 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9395 gameInfo.variant != VariantBerolina || toX < fromX)
9396 board[EP_STATUS] = toX | berolina;
9397 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9398 gameInfo.variant != VariantBerolina || toX > fromX)
9399 board[EP_STATUS] = toX;
9403 for(i=0; i<nrCastlingRights; i++) {
9404 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9405 board[CASTLING][i] == toX && castlingRank[i] == toY
9406 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9409 if(gameInfo.variant == VariantSChess) { // update virginity
9410 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9411 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9412 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9413 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9416 if (fromX == toX && fromY == toY) return;
9418 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9419 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9420 if(gameInfo.variant == VariantKnightmate)
9421 king += (int) WhiteUnicorn - (int) WhiteKing;
9423 /* Code added by Tord: */
9424 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9425 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9426 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9427 board[fromY][fromX] = EmptySquare;
9428 board[toY][toX] = EmptySquare;
9429 if((toX > fromX) != (piece == WhiteRook)) {
9430 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9432 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9434 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9435 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9436 board[fromY][fromX] = EmptySquare;
9437 board[toY][toX] = EmptySquare;
9438 if((toX > fromX) != (piece == BlackRook)) {
9439 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9441 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9443 /* End of code added by Tord */
9445 } else if (board[fromY][fromX] == king
9446 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9447 && toY == fromY && toX > fromX+1) {
9448 board[fromY][fromX] = EmptySquare;
9449 board[toY][toX] = king;
9450 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9451 board[fromY][BOARD_RGHT-1] = EmptySquare;
9452 } else if (board[fromY][fromX] == king
9453 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9454 && toY == fromY && toX < fromX-1) {
9455 board[fromY][fromX] = EmptySquare;
9456 board[toY][toX] = king;
9457 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9458 board[fromY][BOARD_LEFT] = EmptySquare;
9459 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9460 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9461 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9463 /* white pawn promotion */
9464 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9465 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9466 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9467 board[fromY][fromX] = EmptySquare;
9468 } else if ((fromY >= BOARD_HEIGHT>>1)
9470 && gameInfo.variant != VariantXiangqi
9471 && gameInfo.variant != VariantBerolina
9472 && (board[fromY][fromX] == WhitePawn)
9473 && (board[toY][toX] == EmptySquare)) {
9474 board[fromY][fromX] = EmptySquare;
9475 board[toY][toX] = WhitePawn;
9476 captured = board[toY - 1][toX];
9477 board[toY - 1][toX] = EmptySquare;
9478 } else if ((fromY == BOARD_HEIGHT-4)
9480 && gameInfo.variant == VariantBerolina
9481 && (board[fromY][fromX] == WhitePawn)
9482 && (board[toY][toX] == EmptySquare)) {
9483 board[fromY][fromX] = EmptySquare;
9484 board[toY][toX] = WhitePawn;
9485 if(oldEP & EP_BEROLIN_A) {
9486 captured = board[fromY][fromX-1];
9487 board[fromY][fromX-1] = EmptySquare;
9488 }else{ captured = board[fromY][fromX+1];
9489 board[fromY][fromX+1] = EmptySquare;
9491 } else if (board[fromY][fromX] == king
9492 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9493 && toY == fromY && toX > fromX+1) {
9494 board[fromY][fromX] = EmptySquare;
9495 board[toY][toX] = king;
9496 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9497 board[fromY][BOARD_RGHT-1] = EmptySquare;
9498 } else if (board[fromY][fromX] == king
9499 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9500 && toY == fromY && toX < fromX-1) {
9501 board[fromY][fromX] = EmptySquare;
9502 board[toY][toX] = king;
9503 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9504 board[fromY][BOARD_LEFT] = EmptySquare;
9505 } else if (fromY == 7 && fromX == 3
9506 && board[fromY][fromX] == BlackKing
9507 && toY == 7 && toX == 5) {
9508 board[fromY][fromX] = EmptySquare;
9509 board[toY][toX] = BlackKing;
9510 board[fromY][7] = EmptySquare;
9511 board[toY][4] = BlackRook;
9512 } else if (fromY == 7 && fromX == 3
9513 && board[fromY][fromX] == BlackKing
9514 && toY == 7 && toX == 1) {
9515 board[fromY][fromX] = EmptySquare;
9516 board[toY][toX] = BlackKing;
9517 board[fromY][0] = EmptySquare;
9518 board[toY][2] = BlackRook;
9519 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9520 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9521 && toY < promoRank && promoChar
9523 /* black pawn promotion */
9524 board[toY][toX] = CharToPiece(ToLower(promoChar));
9525 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9526 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9527 board[fromY][fromX] = EmptySquare;
9528 } else if ((fromY < BOARD_HEIGHT>>1)
9530 && gameInfo.variant != VariantXiangqi
9531 && gameInfo.variant != VariantBerolina
9532 && (board[fromY][fromX] == BlackPawn)
9533 && (board[toY][toX] == EmptySquare)) {
9534 board[fromY][fromX] = EmptySquare;
9535 board[toY][toX] = BlackPawn;
9536 captured = board[toY + 1][toX];
9537 board[toY + 1][toX] = EmptySquare;
9538 } else if ((fromY == 3)
9540 && gameInfo.variant == VariantBerolina
9541 && (board[fromY][fromX] == BlackPawn)
9542 && (board[toY][toX] == EmptySquare)) {
9543 board[fromY][fromX] = EmptySquare;
9544 board[toY][toX] = BlackPawn;
9545 if(oldEP & EP_BEROLIN_A) {
9546 captured = board[fromY][fromX-1];
9547 board[fromY][fromX-1] = EmptySquare;
9548 }else{ captured = board[fromY][fromX+1];
9549 board[fromY][fromX+1] = EmptySquare;
9552 board[toY][toX] = board[fromY][fromX];
9553 board[fromY][fromX] = EmptySquare;
9557 if (gameInfo.holdingsWidth != 0) {
9559 /* !!A lot more code needs to be written to support holdings */
9560 /* [HGM] OK, so I have written it. Holdings are stored in the */
9561 /* penultimate board files, so they are automaticlly stored */
9562 /* in the game history. */
9563 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9564 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9565 /* Delete from holdings, by decreasing count */
9566 /* and erasing image if necessary */
9567 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9568 if(p < (int) BlackPawn) { /* white drop */
9569 p -= (int)WhitePawn;
9570 p = PieceToNumber((ChessSquare)p);
9571 if(p >= gameInfo.holdingsSize) p = 0;
9572 if(--board[p][BOARD_WIDTH-2] <= 0)
9573 board[p][BOARD_WIDTH-1] = EmptySquare;
9574 if((int)board[p][BOARD_WIDTH-2] < 0)
9575 board[p][BOARD_WIDTH-2] = 0;
9576 } else { /* black drop */
9577 p -= (int)BlackPawn;
9578 p = PieceToNumber((ChessSquare)p);
9579 if(p >= gameInfo.holdingsSize) p = 0;
9580 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9581 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9582 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9583 board[BOARD_HEIGHT-1-p][1] = 0;
9586 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9587 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9588 /* [HGM] holdings: Add to holdings, if holdings exist */
9589 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9590 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9591 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9594 if (p >= (int) BlackPawn) {
9595 p -= (int)BlackPawn;
9596 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9597 /* in Shogi restore piece to its original first */
9598 captured = (ChessSquare) (DEMOTED captured);
9601 p = PieceToNumber((ChessSquare)p);
9602 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9603 board[p][BOARD_WIDTH-2]++;
9604 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9606 p -= (int)WhitePawn;
9607 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9608 captured = (ChessSquare) (DEMOTED captured);
9611 p = PieceToNumber((ChessSquare)p);
9612 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9613 board[BOARD_HEIGHT-1-p][1]++;
9614 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9617 } else if (gameInfo.variant == VariantAtomic) {
9618 if (captured != EmptySquare) {
9620 for (y = toY-1; y <= toY+1; y++) {
9621 for (x = toX-1; x <= toX+1; x++) {
9622 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9623 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9624 board[y][x] = EmptySquare;
9628 board[toY][toX] = EmptySquare;
9631 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9632 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9634 if(promoChar == '+') {
9635 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9636 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9637 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9638 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9639 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9640 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9641 board[toY][toX] = newPiece;
9643 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9644 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9645 // [HGM] superchess: take promotion piece out of holdings
9646 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9647 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9648 if(!--board[k][BOARD_WIDTH-2])
9649 board[k][BOARD_WIDTH-1] = EmptySquare;
9651 if(!--board[BOARD_HEIGHT-1-k][1])
9652 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9658 /* Updates forwardMostMove */
9660 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9662 // forwardMostMove++; // [HGM] bare: moved downstream
9664 (void) CoordsToAlgebraic(boards[forwardMostMove],
9665 PosFlags(forwardMostMove),
9666 fromY, fromX, toY, toX, promoChar,
9667 parseList[forwardMostMove]);
9669 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9670 int timeLeft; static int lastLoadFlag=0; int king, piece;
9671 piece = boards[forwardMostMove][fromY][fromX];
9672 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9673 if(gameInfo.variant == VariantKnightmate)
9674 king += (int) WhiteUnicorn - (int) WhiteKing;
9675 if(forwardMostMove == 0) {
9676 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9677 fprintf(serverMoves, "%s;", UserName());
9678 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9679 fprintf(serverMoves, "%s;", second.tidy);
9680 fprintf(serverMoves, "%s;", first.tidy);
9681 if(gameMode == MachinePlaysWhite)
9682 fprintf(serverMoves, "%s;", UserName());
9683 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9684 fprintf(serverMoves, "%s;", second.tidy);
9685 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9686 lastLoadFlag = loadFlag;
9688 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9689 // print castling suffix
9690 if( toY == fromY && piece == king ) {
9692 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9694 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9697 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9698 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9699 boards[forwardMostMove][toY][toX] == EmptySquare
9700 && fromX != toX && fromY != toY)
9701 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9703 if(promoChar != NULLCHAR) {
9704 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9705 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9706 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9707 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9710 char buf[MOVE_LEN*2], *p; int len;
9711 fprintf(serverMoves, "/%d/%d",
9712 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9713 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9714 else timeLeft = blackTimeRemaining/1000;
9715 fprintf(serverMoves, "/%d", timeLeft);
9716 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9717 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9718 if(p = strchr(buf, '=')) *p = NULLCHAR;
9719 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9720 fprintf(serverMoves, "/%s", buf);
9722 fflush(serverMoves);
9725 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9726 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9729 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9730 if (commentList[forwardMostMove+1] != NULL) {
9731 free(commentList[forwardMostMove+1]);
9732 commentList[forwardMostMove+1] = NULL;
9734 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9735 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9736 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9737 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9738 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9739 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9740 adjustedClock = FALSE;
9741 gameInfo.result = GameUnfinished;
9742 if (gameInfo.resultDetails != NULL) {
9743 free(gameInfo.resultDetails);
9744 gameInfo.resultDetails = NULL;
9746 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9747 moveList[forwardMostMove - 1]);
9748 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9754 if(gameInfo.variant != VariantShogi)
9755 strcat(parseList[forwardMostMove - 1], "+");
9759 strcat(parseList[forwardMostMove - 1], "#");
9765 /* Updates currentMove if not pausing */
9767 ShowMove (int fromX, int fromY, int toX, int toY)
9769 int instant = (gameMode == PlayFromGameFile) ?
9770 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9771 if(appData.noGUI) return;
9772 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9774 if (forwardMostMove == currentMove + 1) {
9775 AnimateMove(boards[forwardMostMove - 1],
9776 fromX, fromY, toX, toY);
9779 currentMove = forwardMostMove;
9782 if (instant) return;
9784 DisplayMove(currentMove - 1);
9785 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9786 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9787 SetHighlights(fromX, fromY, toX, toY);
9790 DrawPosition(FALSE, boards[currentMove]);
9791 DisplayBothClocks();
9792 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9796 SendEgtPath (ChessProgramState *cps)
9797 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9798 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9800 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9803 char c, *q = name+1, *r, *s;
9805 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9806 while(*p && *p != ',') *q++ = *p++;
9808 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9809 strcmp(name, ",nalimov:") == 0 ) {
9810 // take nalimov path from the menu-changeable option first, if it is defined
9811 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9812 SendToProgram(buf,cps); // send egtbpath command for nalimov
9814 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9815 (s = StrStr(appData.egtFormats, name)) != NULL) {
9816 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9817 s = r = StrStr(s, ":") + 1; // beginning of path info
9818 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9819 c = *r; *r = 0; // temporarily null-terminate path info
9820 *--q = 0; // strip of trailig ':' from name
9821 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9823 SendToProgram(buf,cps); // send egtbpath command for this format
9825 if(*p == ',') p++; // read away comma to position for next format name
9830 InitChessProgram (ChessProgramState *cps, int setup)
9831 /* setup needed to setup FRC opening position */
9833 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9834 if (appData.noChessProgram) return;
9835 hintRequested = FALSE;
9836 bookRequested = FALSE;
9838 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9839 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9840 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9841 if(cps->memSize) { /* [HGM] memory */
9842 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9843 SendToProgram(buf, cps);
9845 SendEgtPath(cps); /* [HGM] EGT */
9846 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9847 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9848 SendToProgram(buf, cps);
9851 SendToProgram(cps->initString, cps);
9852 if (gameInfo.variant != VariantNormal &&
9853 gameInfo.variant != VariantLoadable
9854 /* [HGM] also send variant if board size non-standard */
9855 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9857 char *v = VariantName(gameInfo.variant);
9858 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9859 /* [HGM] in protocol 1 we have to assume all variants valid */
9860 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9861 DisplayFatalError(buf, 0, 1);
9865 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9866 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9867 if( gameInfo.variant == VariantXiangqi )
9868 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9869 if( gameInfo.variant == VariantShogi )
9870 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9871 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9872 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9873 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9874 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9875 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9876 if( gameInfo.variant == VariantCourier )
9877 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9878 if( gameInfo.variant == VariantSuper )
9879 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9880 if( gameInfo.variant == VariantGreat )
9881 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9882 if( gameInfo.variant == VariantSChess )
9883 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9884 if( gameInfo.variant == VariantGrand )
9885 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9888 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9889 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9890 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9891 if(StrStr(cps->variants, b) == NULL) {
9892 // specific sized variant not known, check if general sizing allowed
9893 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9894 if(StrStr(cps->variants, "boardsize") == NULL) {
9895 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9896 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9897 DisplayFatalError(buf, 0, 1);
9900 /* [HGM] here we really should compare with the maximum supported board size */
9903 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9904 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9905 SendToProgram(buf, cps);
9907 currentlyInitializedVariant = gameInfo.variant;
9909 /* [HGM] send opening position in FRC to first engine */
9911 SendToProgram("force\n", cps);
9913 /* engine is now in force mode! Set flag to wake it up after first move. */
9914 setboardSpoiledMachineBlack = 1;
9918 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9919 SendToProgram(buf, cps);
9921 cps->maybeThinking = FALSE;
9922 cps->offeredDraw = 0;
9923 if (!appData.icsActive) {
9924 SendTimeControl(cps, movesPerSession, timeControl,
9925 timeIncrement, appData.searchDepth,
9928 if (appData.showThinking
9929 // [HGM] thinking: four options require thinking output to be sent
9930 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9932 SendToProgram("post\n", cps);
9934 SendToProgram("hard\n", cps);
9935 if (!appData.ponderNextMove) {
9936 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9937 it without being sure what state we are in first. "hard"
9938 is not a toggle, so that one is OK.
9940 SendToProgram("easy\n", cps);
9943 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9944 SendToProgram(buf, cps);
9946 cps->initDone = TRUE;
9947 ClearEngineOutputPane(cps == &second);
9952 ResendOptions (ChessProgramState *cps)
9953 { // send the stored value of the options
9956 Option *opt = cps->option;
9957 for(i=0; i<cps->nrOptions; i++, opt++) {
9962 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
9965 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
9968 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
9974 SendToProgram(buf, cps);
9979 StartChessProgram (ChessProgramState *cps)
9984 if (appData.noChessProgram) return;
9985 cps->initDone = FALSE;
9987 if (strcmp(cps->host, "localhost") == 0) {
9988 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9989 } else if (*appData.remoteShell == NULLCHAR) {
9990 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9992 if (*appData.remoteUser == NULLCHAR) {
9993 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9996 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9997 cps->host, appData.remoteUser, cps->program);
9999 err = StartChildProcess(buf, "", &cps->pr);
10003 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10004 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10005 if(cps != &first) return;
10006 appData.noChessProgram = TRUE;
10009 // DisplayFatalError(buf, err, 1);
10010 // cps->pr = NoProc;
10011 // cps->isr = NULL;
10015 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10016 if (cps->protocolVersion > 1) {
10017 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10018 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10019 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10020 cps->comboCnt = 0; // and values of combo boxes
10022 SendToProgram(buf, cps);
10023 if(cps->reload) ResendOptions(cps);
10025 SendToProgram("xboard\n", cps);
10030 TwoMachinesEventIfReady P((void))
10032 static int curMess = 0;
10033 if (first.lastPing != first.lastPong || !first.initDone) {
10034 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10035 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10038 if (second.lastPing != second.lastPong) {
10039 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10040 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10043 DisplayMessage("", ""); curMess = 0;
10045 TwoMachinesEvent();
10049 MakeName (char *template)
10053 static char buf[MSG_SIZ];
10057 clock = time((time_t *)NULL);
10058 tm = localtime(&clock);
10060 while(*p++ = *template++) if(p[-1] == '%') {
10061 switch(*template++) {
10062 case 0: *p = 0; return buf;
10063 case 'Y': i = tm->tm_year+1900; break;
10064 case 'y': i = tm->tm_year-100; break;
10065 case 'M': i = tm->tm_mon+1; break;
10066 case 'd': i = tm->tm_mday; break;
10067 case 'h': i = tm->tm_hour; break;
10068 case 'm': i = tm->tm_min; break;
10069 case 's': i = tm->tm_sec; break;
10072 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10078 CountPlayers (char *p)
10081 while(p = strchr(p, '\n')) p++, n++; // count participants
10086 WriteTourneyFile (char *results, FILE *f)
10087 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10088 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10089 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10090 // create a file with tournament description
10091 fprintf(f, "-participants {%s}\n", appData.participants);
10092 fprintf(f, "-seedBase %d\n", appData.seedBase);
10093 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10094 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10095 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10096 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10097 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10098 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10099 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10100 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10101 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10102 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10103 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10104 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10105 fprintf(f, "-polyglotBook %s\n", appData.polyglotBook);
10106 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10107 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10108 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10109 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10110 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10111 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10112 fprintf(f, "-smpCores %d\n", appData.smpCores);
10114 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10116 fprintf(f, "-mps %d\n", appData.movesPerSession);
10117 fprintf(f, "-tc %s\n", appData.timeControl);
10118 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10120 fprintf(f, "-results \"%s\"\n", results);
10125 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10128 Substitute (char *participants, int expunge)
10130 int i, changed, changes=0, nPlayers=0;
10131 char *p, *q, *r, buf[MSG_SIZ];
10132 if(participants == NULL) return;
10133 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10134 r = p = participants; q = appData.participants;
10135 while(*p && *p == *q) {
10136 if(*p == '\n') r = p+1, nPlayers++;
10139 if(*p) { // difference
10140 while(*p && *p++ != '\n');
10141 while(*q && *q++ != '\n');
10142 changed = nPlayers;
10143 changes = 1 + (strcmp(p, q) != 0);
10145 if(changes == 1) { // a single engine mnemonic was changed
10146 q = r; while(*q) nPlayers += (*q++ == '\n');
10147 p = buf; while(*r && (*p = *r++) != '\n') p++;
10149 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10150 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10151 if(mnemonic[i]) { // The substitute is valid
10153 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10154 flock(fileno(f), LOCK_EX);
10155 ParseArgsFromFile(f);
10156 fseek(f, 0, SEEK_SET);
10157 FREE(appData.participants); appData.participants = participants;
10158 if(expunge) { // erase results of replaced engine
10159 int len = strlen(appData.results), w, b, dummy;
10160 for(i=0; i<len; i++) {
10161 Pairing(i, nPlayers, &w, &b, &dummy);
10162 if((w == changed || b == changed) && appData.results[i] == '*') {
10163 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10168 for(i=0; i<len; i++) {
10169 Pairing(i, nPlayers, &w, &b, &dummy);
10170 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10173 WriteTourneyFile(appData.results, f);
10174 fclose(f); // release lock
10177 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10179 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10180 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10181 free(participants);
10186 CheckPlayers (char *participants)
10189 char buf[MSG_SIZ], *p;
10190 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10191 while(p = strchr(participants, '\n')) {
10193 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10195 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10197 DisplayError(buf, 0);
10201 participants = p + 1;
10207 CreateTourney (char *name)
10210 if(matchMode && strcmp(name, appData.tourneyFile)) {
10211 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10213 if(name[0] == NULLCHAR) {
10214 if(appData.participants[0])
10215 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10218 f = fopen(name, "r");
10219 if(f) { // file exists
10220 ASSIGN(appData.tourneyFile, name);
10221 ParseArgsFromFile(f); // parse it
10223 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10224 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10225 DisplayError(_("Not enough participants"), 0);
10228 if(CheckPlayers(appData.participants)) return 0;
10229 ASSIGN(appData.tourneyFile, name);
10230 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10231 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10234 appData.noChessProgram = FALSE;
10235 appData.clockMode = TRUE;
10241 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10243 char buf[MSG_SIZ], *p, *q;
10244 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10245 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10246 skip = !all && group[0]; // if group requested, we start in skip mode
10247 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10248 p = names; q = buf; header = 0;
10249 while(*p && *p != '\n') *q++ = *p++;
10251 if(*p == '\n') p++;
10252 if(buf[0] == '#') {
10253 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10254 depth++; // we must be entering a new group
10255 if(all) continue; // suppress printing group headers when complete list requested
10257 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10259 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10260 if(engineList[i]) free(engineList[i]);
10261 engineList[i] = strdup(buf);
10262 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10263 if(engineMnemonic[i]) free(engineMnemonic[i]);
10264 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10266 sscanf(q + 8, "%s", buf + strlen(buf));
10269 engineMnemonic[i] = strdup(buf);
10272 engineList[i] = engineMnemonic[i] = NULL;
10276 // following implemented as macro to avoid type limitations
10277 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10280 SwapEngines (int n)
10281 { // swap settings for first engine and other engine (so far only some selected options)
10286 SWAP(chessProgram, p)
10288 SWAP(hasOwnBookUCI, h)
10289 SWAP(protocolVersion, h)
10291 SWAP(scoreIsAbsolute, h)
10296 SWAP(engOptions, p)
10297 SWAP(engInitString, p)
10298 SWAP(computerString, p)
10300 SWAP(fenOverride, p)
10302 SWAP(accumulateTC, h)
10307 GetEngineLine (char *s, int n)
10311 extern char *icsNames;
10312 if(!s || !*s) return 0;
10313 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10314 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10315 if(!mnemonic[i]) return 0;
10316 if(n == 11) return 1; // just testing if there was a match
10317 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10318 if(n == 1) SwapEngines(n);
10319 ParseArgsFromString(buf);
10320 if(n == 1) SwapEngines(n);
10321 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10322 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10323 ParseArgsFromString(buf);
10329 SetPlayer (int player, char *p)
10330 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10332 char buf[MSG_SIZ], *engineName;
10333 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10334 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10335 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10337 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10338 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10339 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10340 ParseArgsFromString(buf);
10346 char *recentEngines;
10349 RecentEngineEvent (int nr)
10352 // SwapEngines(1); // bump first to second
10353 // ReplaceEngine(&second, 1); // and load it there
10354 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10355 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10356 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10357 ReplaceEngine(&first, 0);
10358 FloatToFront(&appData.recentEngineList, command[n]);
10363 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10364 { // determine players from game number
10365 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10367 if(appData.tourneyType == 0) {
10368 roundsPerCycle = (nPlayers - 1) | 1;
10369 pairingsPerRound = nPlayers / 2;
10370 } else if(appData.tourneyType > 0) {
10371 roundsPerCycle = nPlayers - appData.tourneyType;
10372 pairingsPerRound = appData.tourneyType;
10374 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10375 gamesPerCycle = gamesPerRound * roundsPerCycle;
10376 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10377 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10378 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10379 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10380 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10381 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10383 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10384 if(appData.roundSync) *syncInterval = gamesPerRound;
10386 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10388 if(appData.tourneyType == 0) {
10389 if(curPairing == (nPlayers-1)/2 ) {
10390 *whitePlayer = curRound;
10391 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10393 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10394 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10395 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10396 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10398 } else if(appData.tourneyType > 1) {
10399 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10400 *whitePlayer = curRound + appData.tourneyType;
10401 } else if(appData.tourneyType > 0) {
10402 *whitePlayer = curPairing;
10403 *blackPlayer = curRound + appData.tourneyType;
10406 // take care of white/black alternation per round.
10407 // For cycles and games this is already taken care of by default, derived from matchGame!
10408 return curRound & 1;
10412 NextTourneyGame (int nr, int *swapColors)
10413 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10415 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10417 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10418 tf = fopen(appData.tourneyFile, "r");
10419 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10420 ParseArgsFromFile(tf); fclose(tf);
10421 InitTimeControls(); // TC might be altered from tourney file
10423 nPlayers = CountPlayers(appData.participants); // count participants
10424 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10425 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10428 p = q = appData.results;
10429 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10430 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10431 DisplayMessage(_("Waiting for other game(s)"),"");
10432 waitingForGame = TRUE;
10433 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10436 waitingForGame = FALSE;
10439 if(appData.tourneyType < 0) {
10440 if(nr>=0 && !pairingReceived) {
10442 if(pairing.pr == NoProc) {
10443 if(!appData.pairingEngine[0]) {
10444 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10447 StartChessProgram(&pairing); // starts the pairing engine
10449 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10450 SendToProgram(buf, &pairing);
10451 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10452 SendToProgram(buf, &pairing);
10453 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10455 pairingReceived = 0; // ... so we continue here
10457 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10458 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10459 matchGame = 1; roundNr = nr / syncInterval + 1;
10462 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10464 // redefine engines, engine dir, etc.
10465 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10466 if(first.pr == NoProc) {
10467 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10468 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10470 if(second.pr == NoProc) {
10472 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10473 SwapEngines(1); // and make that valid for second engine by swapping
10474 InitEngine(&second, 1);
10476 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10477 UpdateLogos(FALSE); // leave display to ModeHiglight()
10483 { // performs game initialization that does not invoke engines, and then tries to start the game
10484 int res, firstWhite, swapColors = 0;
10485 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10486 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
10488 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10489 if(strcmp(buf, currentDebugFile)) { // name has changed
10490 FILE *f = fopen(buf, "w");
10491 if(f) { // if opening the new file failed, just keep using the old one
10492 ASSIGN(currentDebugFile, buf);
10496 if(appData.serverFileName) {
10497 if(serverFP) fclose(serverFP);
10498 serverFP = fopen(appData.serverFileName, "w");
10499 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10500 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10504 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10505 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10506 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10507 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10508 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10509 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10510 Reset(FALSE, first.pr != NoProc);
10511 res = LoadGameOrPosition(matchGame); // setup game
10512 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10513 if(!res) return; // abort when bad game/pos file
10514 TwoMachinesEvent();
10518 UserAdjudicationEvent (int result)
10520 ChessMove gameResult = GameIsDrawn;
10523 gameResult = WhiteWins;
10525 else if( result < 0 ) {
10526 gameResult = BlackWins;
10529 if( gameMode == TwoMachinesPlay ) {
10530 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10535 // [HGM] save: calculate checksum of game to make games easily identifiable
10537 StringCheckSum (char *s)
10540 if(s==NULL) return 0;
10541 while(*s) i = i*259 + *s++;
10549 for(i=backwardMostMove; i<forwardMostMove; i++) {
10550 sum += pvInfoList[i].depth;
10551 sum += StringCheckSum(parseList[i]);
10552 sum += StringCheckSum(commentList[i]);
10555 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10556 return sum + StringCheckSum(commentList[i]);
10557 } // end of save patch
10560 GameEnds (ChessMove result, char *resultDetails, int whosays)
10562 GameMode nextGameMode;
10564 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10566 if(endingGame) return; /* [HGM] crash: forbid recursion */
10568 if(twoBoards) { // [HGM] dual: switch back to one board
10569 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10570 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10572 if (appData.debugMode) {
10573 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10574 result, resultDetails ? resultDetails : "(null)", whosays);
10577 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10579 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10581 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10582 /* If we are playing on ICS, the server decides when the
10583 game is over, but the engine can offer to draw, claim
10587 if (appData.zippyPlay && first.initDone) {
10588 if (result == GameIsDrawn) {
10589 /* In case draw still needs to be claimed */
10590 SendToICS(ics_prefix);
10591 SendToICS("draw\n");
10592 } else if (StrCaseStr(resultDetails, "resign")) {
10593 SendToICS(ics_prefix);
10594 SendToICS("resign\n");
10598 endingGame = 0; /* [HGM] crash */
10602 /* If we're loading the game from a file, stop */
10603 if (whosays == GE_FILE) {
10604 (void) StopLoadGameTimer();
10608 /* Cancel draw offers */
10609 first.offeredDraw = second.offeredDraw = 0;
10611 /* If this is an ICS game, only ICS can really say it's done;
10612 if not, anyone can. */
10613 isIcsGame = (gameMode == IcsPlayingWhite ||
10614 gameMode == IcsPlayingBlack ||
10615 gameMode == IcsObserving ||
10616 gameMode == IcsExamining);
10618 if (!isIcsGame || whosays == GE_ICS) {
10619 /* OK -- not an ICS game, or ICS said it was done */
10621 if (!isIcsGame && !appData.noChessProgram)
10622 SetUserThinkingEnables();
10624 /* [HGM] if a machine claims the game end we verify this claim */
10625 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10626 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10628 ChessMove trueResult = (ChessMove) -1;
10630 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10631 first.twoMachinesColor[0] :
10632 second.twoMachinesColor[0] ;
10634 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10635 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10636 /* [HGM] verify: engine mate claims accepted if they were flagged */
10637 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10639 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10640 /* [HGM] verify: engine mate claims accepted if they were flagged */
10641 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10643 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10644 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10647 // now verify win claims, but not in drop games, as we don't understand those yet
10648 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10649 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10650 (result == WhiteWins && claimer == 'w' ||
10651 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10652 if (appData.debugMode) {
10653 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10654 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10656 if(result != trueResult) {
10657 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10658 result = claimer == 'w' ? BlackWins : WhiteWins;
10659 resultDetails = buf;
10662 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10663 && (forwardMostMove <= backwardMostMove ||
10664 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10665 (claimer=='b')==(forwardMostMove&1))
10667 /* [HGM] verify: draws that were not flagged are false claims */
10668 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10669 result = claimer == 'w' ? BlackWins : WhiteWins;
10670 resultDetails = buf;
10672 /* (Claiming a loss is accepted no questions asked!) */
10673 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10674 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10675 result = GameUnfinished;
10676 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10678 /* [HGM] bare: don't allow bare King to win */
10679 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10680 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10681 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10682 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10683 && result != GameIsDrawn)
10684 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10685 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10686 int p = (signed char)boards[forwardMostMove][i][j] - color;
10687 if(p >= 0 && p <= (int)WhiteKing) k++;
10689 if (appData.debugMode) {
10690 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10691 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10694 result = GameIsDrawn;
10695 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10696 resultDetails = buf;
10702 if(serverMoves != NULL && !loadFlag) { char c = '=';
10703 if(result==WhiteWins) c = '+';
10704 if(result==BlackWins) c = '-';
10705 if(resultDetails != NULL)
10706 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10708 if (resultDetails != NULL) {
10709 gameInfo.result = result;
10710 gameInfo.resultDetails = StrSave(resultDetails);
10712 /* display last move only if game was not loaded from file */
10713 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10714 DisplayMove(currentMove - 1);
10716 if (forwardMostMove != 0) {
10717 if (gameMode != PlayFromGameFile && gameMode != EditGame
10718 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10720 if (*appData.saveGameFile != NULLCHAR) {
10721 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10722 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10724 SaveGameToFile(appData.saveGameFile, TRUE);
10725 } else if (appData.autoSaveGames) {
10728 if (*appData.savePositionFile != NULLCHAR) {
10729 SavePositionToFile(appData.savePositionFile);
10731 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10735 /* Tell program how game ended in case it is learning */
10736 /* [HGM] Moved this to after saving the PGN, just in case */
10737 /* engine died and we got here through time loss. In that */
10738 /* case we will get a fatal error writing the pipe, which */
10739 /* would otherwise lose us the PGN. */
10740 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10741 /* output during GameEnds should never be fatal anymore */
10742 if (gameMode == MachinePlaysWhite ||
10743 gameMode == MachinePlaysBlack ||
10744 gameMode == TwoMachinesPlay ||
10745 gameMode == IcsPlayingWhite ||
10746 gameMode == IcsPlayingBlack ||
10747 gameMode == BeginningOfGame) {
10749 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10751 if (first.pr != NoProc) {
10752 SendToProgram(buf, &first);
10754 if (second.pr != NoProc &&
10755 gameMode == TwoMachinesPlay) {
10756 SendToProgram(buf, &second);
10761 if (appData.icsActive) {
10762 if (appData.quietPlay &&
10763 (gameMode == IcsPlayingWhite ||
10764 gameMode == IcsPlayingBlack)) {
10765 SendToICS(ics_prefix);
10766 SendToICS("set shout 1\n");
10768 nextGameMode = IcsIdle;
10769 ics_user_moved = FALSE;
10770 /* clean up premove. It's ugly when the game has ended and the
10771 * premove highlights are still on the board.
10774 gotPremove = FALSE;
10775 ClearPremoveHighlights();
10776 DrawPosition(FALSE, boards[currentMove]);
10778 if (whosays == GE_ICS) {
10781 if (gameMode == IcsPlayingWhite)
10783 else if(gameMode == IcsPlayingBlack)
10784 PlayIcsLossSound();
10787 if (gameMode == IcsPlayingBlack)
10789 else if(gameMode == IcsPlayingWhite)
10790 PlayIcsLossSound();
10793 PlayIcsDrawSound();
10796 PlayIcsUnfinishedSound();
10799 } else if (gameMode == EditGame ||
10800 gameMode == PlayFromGameFile ||
10801 gameMode == AnalyzeMode ||
10802 gameMode == AnalyzeFile) {
10803 nextGameMode = gameMode;
10805 nextGameMode = EndOfGame;
10810 nextGameMode = gameMode;
10813 if (appData.noChessProgram) {
10814 gameMode = nextGameMode;
10816 endingGame = 0; /* [HGM] crash */
10821 /* Put first chess program into idle state */
10822 if (first.pr != NoProc &&
10823 (gameMode == MachinePlaysWhite ||
10824 gameMode == MachinePlaysBlack ||
10825 gameMode == TwoMachinesPlay ||
10826 gameMode == IcsPlayingWhite ||
10827 gameMode == IcsPlayingBlack ||
10828 gameMode == BeginningOfGame)) {
10829 SendToProgram("force\n", &first);
10830 if (first.usePing) {
10832 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10833 SendToProgram(buf, &first);
10836 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10837 /* Kill off first chess program */
10838 if (first.isr != NULL)
10839 RemoveInputSource(first.isr);
10842 if (first.pr != NoProc) {
10844 DoSleep( appData.delayBeforeQuit );
10845 SendToProgram("quit\n", &first);
10846 DoSleep( appData.delayAfterQuit );
10847 DestroyChildProcess(first.pr, first.useSigterm);
10848 first.reload = TRUE;
10852 if (second.reuse) {
10853 /* Put second chess program into idle state */
10854 if (second.pr != NoProc &&
10855 gameMode == TwoMachinesPlay) {
10856 SendToProgram("force\n", &second);
10857 if (second.usePing) {
10859 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10860 SendToProgram(buf, &second);
10863 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10864 /* Kill off second chess program */
10865 if (second.isr != NULL)
10866 RemoveInputSource(second.isr);
10869 if (second.pr != NoProc) {
10870 DoSleep( appData.delayBeforeQuit );
10871 SendToProgram("quit\n", &second);
10872 DoSleep( appData.delayAfterQuit );
10873 DestroyChildProcess(second.pr, second.useSigterm);
10874 second.reload = TRUE;
10876 second.pr = NoProc;
10879 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10880 char resChar = '=';
10884 if (first.twoMachinesColor[0] == 'w') {
10887 second.matchWins++;
10892 if (first.twoMachinesColor[0] == 'b') {
10895 second.matchWins++;
10898 case GameUnfinished:
10904 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10905 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10906 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10907 ReserveGame(nextGame, resChar); // sets nextGame
10908 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10909 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10910 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10912 if (nextGame <= appData.matchGames && !abortMatch) {
10913 gameMode = nextGameMode;
10914 matchGame = nextGame; // this will be overruled in tourney mode!
10915 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10916 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10917 endingGame = 0; /* [HGM] crash */
10920 gameMode = nextGameMode;
10921 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10922 first.tidy, second.tidy,
10923 first.matchWins, second.matchWins,
10924 appData.matchGames - (first.matchWins + second.matchWins));
10925 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10926 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10927 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10928 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10929 first.twoMachinesColor = "black\n";
10930 second.twoMachinesColor = "white\n";
10932 first.twoMachinesColor = "white\n";
10933 second.twoMachinesColor = "black\n";
10937 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10938 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10940 gameMode = nextGameMode;
10942 endingGame = 0; /* [HGM] crash */
10943 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10944 if(matchMode == TRUE) { // match through command line: exit with or without popup
10946 ToNrEvent(forwardMostMove);
10947 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10949 } else DisplayFatalError(buf, 0, 0);
10950 } else { // match through menu; just stop, with or without popup
10951 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10954 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10955 } else DisplayNote(buf);
10957 if(ranking) free(ranking);
10961 /* Assumes program was just initialized (initString sent).
10962 Leaves program in force mode. */
10964 FeedMovesToProgram (ChessProgramState *cps, int upto)
10968 if (appData.debugMode)
10969 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10970 startedFromSetupPosition ? "position and " : "",
10971 backwardMostMove, upto, cps->which);
10972 if(currentlyInitializedVariant != gameInfo.variant) {
10974 // [HGM] variantswitch: make engine aware of new variant
10975 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10976 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10977 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10978 SendToProgram(buf, cps);
10979 currentlyInitializedVariant = gameInfo.variant;
10981 SendToProgram("force\n", cps);
10982 if (startedFromSetupPosition) {
10983 SendBoard(cps, backwardMostMove);
10984 if (appData.debugMode) {
10985 fprintf(debugFP, "feedMoves\n");
10988 for (i = backwardMostMove; i < upto; i++) {
10989 SendMoveToProgram(i, cps);
10995 ResurrectChessProgram ()
10997 /* The chess program may have exited.
10998 If so, restart it and feed it all the moves made so far. */
10999 static int doInit = 0;
11001 if (appData.noChessProgram) return 1;
11003 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11004 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
11005 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11006 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11008 if (first.pr != NoProc) return 1;
11009 StartChessProgram(&first);
11011 InitChessProgram(&first, FALSE);
11012 FeedMovesToProgram(&first, currentMove);
11014 if (!first.sendTime) {
11015 /* can't tell gnuchess what its clock should read,
11016 so we bow to its notion. */
11018 timeRemaining[0][currentMove] = whiteTimeRemaining;
11019 timeRemaining[1][currentMove] = blackTimeRemaining;
11022 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11023 appData.icsEngineAnalyze) && first.analysisSupport) {
11024 SendToProgram("analyze\n", &first);
11025 first.analyzing = TRUE;
11031 * Button procedures
11034 Reset (int redraw, int init)
11038 if (appData.debugMode) {
11039 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11040 redraw, init, gameMode);
11042 CleanupTail(); // [HGM] vari: delete any stored variations
11043 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11044 pausing = pauseExamInvalid = FALSE;
11045 startedFromSetupPosition = blackPlaysFirst = FALSE;
11047 whiteFlag = blackFlag = FALSE;
11048 userOfferedDraw = FALSE;
11049 hintRequested = bookRequested = FALSE;
11050 first.maybeThinking = FALSE;
11051 second.maybeThinking = FALSE;
11052 first.bookSuspend = FALSE; // [HGM] book
11053 second.bookSuspend = FALSE;
11054 thinkOutput[0] = NULLCHAR;
11055 lastHint[0] = NULLCHAR;
11056 ClearGameInfo(&gameInfo);
11057 gameInfo.variant = StringToVariant(appData.variant);
11058 ics_user_moved = ics_clock_paused = FALSE;
11059 ics_getting_history = H_FALSE;
11061 white_holding[0] = black_holding[0] = NULLCHAR;
11062 ClearProgramStats();
11063 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11067 flipView = appData.flipView;
11068 ClearPremoveHighlights();
11069 gotPremove = FALSE;
11070 alarmSounded = FALSE;
11072 GameEnds(EndOfFile, NULL, GE_PLAYER);
11073 if(appData.serverMovesName != NULL) {
11074 /* [HGM] prepare to make moves file for broadcasting */
11075 clock_t t = clock();
11076 if(serverMoves != NULL) fclose(serverMoves);
11077 serverMoves = fopen(appData.serverMovesName, "r");
11078 if(serverMoves != NULL) {
11079 fclose(serverMoves);
11080 /* delay 15 sec before overwriting, so all clients can see end */
11081 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11083 serverMoves = fopen(appData.serverMovesName, "w");
11087 gameMode = BeginningOfGame;
11089 if(appData.icsActive) gameInfo.variant = VariantNormal;
11090 currentMove = forwardMostMove = backwardMostMove = 0;
11091 MarkTargetSquares(1);
11092 InitPosition(redraw);
11093 for (i = 0; i < MAX_MOVES; i++) {
11094 if (commentList[i] != NULL) {
11095 free(commentList[i]);
11096 commentList[i] = NULL;
11100 timeRemaining[0][0] = whiteTimeRemaining;
11101 timeRemaining[1][0] = blackTimeRemaining;
11103 if (first.pr == NoProc) {
11104 StartChessProgram(&first);
11107 InitChessProgram(&first, startedFromSetupPosition);
11110 DisplayMessage("", "");
11111 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11112 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11113 ClearMap(); // [HGM] exclude: invalidate map
11117 AutoPlayGameLoop ()
11120 if (!AutoPlayOneMove())
11122 if (matchMode || appData.timeDelay == 0)
11124 if (appData.timeDelay < 0)
11126 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11134 ReloadGame(1); // next game
11140 int fromX, fromY, toX, toY;
11142 if (appData.debugMode) {
11143 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11146 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11149 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11150 pvInfoList[currentMove].depth = programStats.depth;
11151 pvInfoList[currentMove].score = programStats.score;
11152 pvInfoList[currentMove].time = 0;
11153 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11156 if (currentMove >= forwardMostMove) {
11157 if(gameMode == AnalyzeFile) {
11158 if(appData.loadGameIndex == -1) {
11159 GameEnds(EndOfFile, NULL, GE_FILE);
11160 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11162 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11165 // gameMode = EndOfGame;
11166 // ModeHighlight();
11168 /* [AS] Clear current move marker at the end of a game */
11169 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11174 toX = moveList[currentMove][2] - AAA;
11175 toY = moveList[currentMove][3] - ONE;
11177 if (moveList[currentMove][1] == '@') {
11178 if (appData.highlightLastMove) {
11179 SetHighlights(-1, -1, toX, toY);
11182 fromX = moveList[currentMove][0] - AAA;
11183 fromY = moveList[currentMove][1] - ONE;
11185 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11187 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11189 if (appData.highlightLastMove) {
11190 SetHighlights(fromX, fromY, toX, toY);
11193 DisplayMove(currentMove);
11194 SendMoveToProgram(currentMove++, &first);
11195 DisplayBothClocks();
11196 DrawPosition(FALSE, boards[currentMove]);
11197 // [HGM] PV info: always display, routine tests if empty
11198 DisplayComment(currentMove - 1, commentList[currentMove]);
11204 LoadGameOneMove (ChessMove readAhead)
11206 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11207 char promoChar = NULLCHAR;
11208 ChessMove moveType;
11209 char move[MSG_SIZ];
11212 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11213 gameMode != AnalyzeMode && gameMode != Training) {
11218 yyboardindex = forwardMostMove;
11219 if (readAhead != EndOfFile) {
11220 moveType = readAhead;
11222 if (gameFileFP == NULL)
11224 moveType = (ChessMove) Myylex();
11228 switch (moveType) {
11230 if (appData.debugMode)
11231 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11234 /* append the comment but don't display it */
11235 AppendComment(currentMove, p, FALSE);
11238 case WhiteCapturesEnPassant:
11239 case BlackCapturesEnPassant:
11240 case WhitePromotion:
11241 case BlackPromotion:
11242 case WhiteNonPromotion:
11243 case BlackNonPromotion:
11245 case WhiteKingSideCastle:
11246 case WhiteQueenSideCastle:
11247 case BlackKingSideCastle:
11248 case BlackQueenSideCastle:
11249 case WhiteKingSideCastleWild:
11250 case WhiteQueenSideCastleWild:
11251 case BlackKingSideCastleWild:
11252 case BlackQueenSideCastleWild:
11254 case WhiteHSideCastleFR:
11255 case WhiteASideCastleFR:
11256 case BlackHSideCastleFR:
11257 case BlackASideCastleFR:
11259 if (appData.debugMode)
11260 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11261 fromX = currentMoveString[0] - AAA;
11262 fromY = currentMoveString[1] - ONE;
11263 toX = currentMoveString[2] - AAA;
11264 toY = currentMoveString[3] - ONE;
11265 promoChar = currentMoveString[4];
11270 if (appData.debugMode)
11271 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11272 fromX = moveType == WhiteDrop ?
11273 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11274 (int) CharToPiece(ToLower(currentMoveString[0]));
11276 toX = currentMoveString[2] - AAA;
11277 toY = currentMoveString[3] - ONE;
11283 case GameUnfinished:
11284 if (appData.debugMode)
11285 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11286 p = strchr(yy_text, '{');
11287 if (p == NULL) p = strchr(yy_text, '(');
11290 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11292 q = strchr(p, *p == '{' ? '}' : ')');
11293 if (q != NULL) *q = NULLCHAR;
11296 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11297 GameEnds(moveType, p, GE_FILE);
11299 if (cmailMsgLoaded) {
11301 flipView = WhiteOnMove(currentMove);
11302 if (moveType == GameUnfinished) flipView = !flipView;
11303 if (appData.debugMode)
11304 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11309 if (appData.debugMode)
11310 fprintf(debugFP, "Parser hit end of file\n");
11311 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11317 if (WhiteOnMove(currentMove)) {
11318 GameEnds(BlackWins, "Black mates", GE_FILE);
11320 GameEnds(WhiteWins, "White mates", GE_FILE);
11324 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11330 case MoveNumberOne:
11331 if (lastLoadGameStart == GNUChessGame) {
11332 /* GNUChessGames have numbers, but they aren't move numbers */
11333 if (appData.debugMode)
11334 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11335 yy_text, (int) moveType);
11336 return LoadGameOneMove(EndOfFile); /* tail recursion */
11338 /* else fall thru */
11343 /* Reached start of next game in file */
11344 if (appData.debugMode)
11345 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11346 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11352 if (WhiteOnMove(currentMove)) {
11353 GameEnds(BlackWins, "Black mates", GE_FILE);
11355 GameEnds(WhiteWins, "White mates", GE_FILE);
11359 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11365 case PositionDiagram: /* should not happen; ignore */
11366 case ElapsedTime: /* ignore */
11367 case NAG: /* ignore */
11368 if (appData.debugMode)
11369 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11370 yy_text, (int) moveType);
11371 return LoadGameOneMove(EndOfFile); /* tail recursion */
11374 if (appData.testLegality) {
11375 if (appData.debugMode)
11376 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11377 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11378 (forwardMostMove / 2) + 1,
11379 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11380 DisplayError(move, 0);
11383 if (appData.debugMode)
11384 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11385 yy_text, currentMoveString);
11386 fromX = currentMoveString[0] - AAA;
11387 fromY = currentMoveString[1] - ONE;
11388 toX = currentMoveString[2] - AAA;
11389 toY = currentMoveString[3] - ONE;
11390 promoChar = currentMoveString[4];
11394 case AmbiguousMove:
11395 if (appData.debugMode)
11396 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11397 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11398 (forwardMostMove / 2) + 1,
11399 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11400 DisplayError(move, 0);
11405 case ImpossibleMove:
11406 if (appData.debugMode)
11407 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11408 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11409 (forwardMostMove / 2) + 1,
11410 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11411 DisplayError(move, 0);
11417 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11418 DrawPosition(FALSE, boards[currentMove]);
11419 DisplayBothClocks();
11420 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11421 DisplayComment(currentMove - 1, commentList[currentMove]);
11423 (void) StopLoadGameTimer();
11425 cmailOldMove = forwardMostMove;
11428 /* currentMoveString is set as a side-effect of yylex */
11430 thinkOutput[0] = NULLCHAR;
11431 MakeMove(fromX, fromY, toX, toY, promoChar);
11432 currentMove = forwardMostMove;
11437 /* Load the nth game from the given file */
11439 LoadGameFromFile (char *filename, int n, char *title, int useList)
11444 if (strcmp(filename, "-") == 0) {
11448 f = fopen(filename, "rb");
11450 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11451 DisplayError(buf, errno);
11455 if (fseek(f, 0, 0) == -1) {
11456 /* f is not seekable; probably a pipe */
11459 if (useList && n == 0) {
11460 int error = GameListBuild(f);
11462 DisplayError(_("Cannot build game list"), error);
11463 } else if (!ListEmpty(&gameList) &&
11464 ((ListGame *) gameList.tailPred)->number > 1) {
11465 GameListPopUp(f, title);
11472 return LoadGame(f, n, title, FALSE);
11477 MakeRegisteredMove ()
11479 int fromX, fromY, toX, toY;
11481 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11482 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11485 if (appData.debugMode)
11486 fprintf(debugFP, "Restoring %s for game %d\n",
11487 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11489 thinkOutput[0] = NULLCHAR;
11490 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11491 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11492 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11493 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11494 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11495 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11496 MakeMove(fromX, fromY, toX, toY, promoChar);
11497 ShowMove(fromX, fromY, toX, toY);
11499 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11506 if (WhiteOnMove(currentMove)) {
11507 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11509 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11514 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11521 if (WhiteOnMove(currentMove)) {
11522 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11524 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11529 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11540 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11542 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11546 if (gameNumber > nCmailGames) {
11547 DisplayError(_("No more games in this message"), 0);
11550 if (f == lastLoadGameFP) {
11551 int offset = gameNumber - lastLoadGameNumber;
11553 cmailMsg[0] = NULLCHAR;
11554 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11555 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11556 nCmailMovesRegistered--;
11558 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11559 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11560 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11563 if (! RegisterMove()) return FALSE;
11567 retVal = LoadGame(f, gameNumber, title, useList);
11569 /* Make move registered during previous look at this game, if any */
11570 MakeRegisteredMove();
11572 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11573 commentList[currentMove]
11574 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11575 DisplayComment(currentMove - 1, commentList[currentMove]);
11581 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11583 ReloadGame (int offset)
11585 int gameNumber = lastLoadGameNumber + offset;
11586 if (lastLoadGameFP == NULL) {
11587 DisplayError(_("No game has been loaded yet"), 0);
11590 if (gameNumber <= 0) {
11591 DisplayError(_("Can't back up any further"), 0);
11594 if (cmailMsgLoaded) {
11595 return CmailLoadGame(lastLoadGameFP, gameNumber,
11596 lastLoadGameTitle, lastLoadGameUseList);
11598 return LoadGame(lastLoadGameFP, gameNumber,
11599 lastLoadGameTitle, lastLoadGameUseList);
11603 int keys[EmptySquare+1];
11606 PositionMatches (Board b1, Board b2)
11609 switch(appData.searchMode) {
11610 case 1: return CompareWithRights(b1, b2);
11612 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11613 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11617 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11618 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11619 sum += keys[b1[r][f]] - keys[b2[r][f]];
11623 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11624 sum += keys[b1[r][f]] - keys[b2[r][f]];
11636 int pieceList[256], quickBoard[256];
11637 ChessSquare pieceType[256] = { EmptySquare };
11638 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11639 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11640 int soughtTotal, turn;
11641 Boolean epOK, flipSearch;
11644 unsigned char piece, to;
11647 #define DSIZE (250000)
11649 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11650 Move *moveDatabase = initialSpace;
11651 unsigned int movePtr, dataSize = DSIZE;
11654 MakePieceList (Board board, int *counts)
11656 int r, f, n=Q_PROMO, total=0;
11657 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11658 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11659 int sq = f + (r<<4);
11660 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11661 quickBoard[sq] = ++n;
11663 pieceType[n] = board[r][f];
11664 counts[board[r][f]]++;
11665 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11666 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11670 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11675 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11677 int sq = fromX + (fromY<<4);
11678 int piece = quickBoard[sq];
11679 quickBoard[sq] = 0;
11680 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11681 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11682 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11683 moveDatabase[movePtr++].piece = Q_WCASTL;
11684 quickBoard[sq] = piece;
11685 piece = quickBoard[from]; quickBoard[from] = 0;
11686 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11688 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11689 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11690 moveDatabase[movePtr++].piece = Q_BCASTL;
11691 quickBoard[sq] = piece;
11692 piece = quickBoard[from]; quickBoard[from] = 0;
11693 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11695 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11696 quickBoard[(fromY<<4)+toX] = 0;
11697 moveDatabase[movePtr].piece = Q_EP;
11698 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11699 moveDatabase[movePtr].to = sq;
11701 if(promoPiece != pieceType[piece]) {
11702 moveDatabase[movePtr++].piece = Q_PROMO;
11703 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11705 moveDatabase[movePtr].piece = piece;
11706 quickBoard[sq] = piece;
11711 PackGame (Board board)
11713 Move *newSpace = NULL;
11714 moveDatabase[movePtr].piece = 0; // terminate previous game
11715 if(movePtr > dataSize) {
11716 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11717 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11718 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11721 Move *p = moveDatabase, *q = newSpace;
11722 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11723 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11724 moveDatabase = newSpace;
11725 } else { // calloc failed, we must be out of memory. Too bad...
11726 dataSize = 0; // prevent calloc events for all subsequent games
11727 return 0; // and signal this one isn't cached
11731 MakePieceList(board, counts);
11736 QuickCompare (Board board, int *minCounts, int *maxCounts)
11737 { // compare according to search mode
11739 switch(appData.searchMode)
11741 case 1: // exact position match
11742 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11743 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11744 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11747 case 2: // can have extra material on empty squares
11748 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11749 if(board[r][f] == EmptySquare) continue;
11750 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11753 case 3: // material with exact Pawn structure
11754 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11755 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11756 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11757 } // fall through to material comparison
11758 case 4: // exact material
11759 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11761 case 6: // material range with given imbalance
11762 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11763 // fall through to range comparison
11764 case 5: // material range
11765 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11771 QuickScan (Board board, Move *move)
11772 { // reconstruct game,and compare all positions in it
11773 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11775 int piece = move->piece;
11776 int to = move->to, from = pieceList[piece];
11777 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11778 if(!piece) return -1;
11779 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11780 piece = (++move)->piece;
11781 from = pieceList[piece];
11782 counts[pieceType[piece]]--;
11783 pieceType[piece] = (ChessSquare) move->to;
11784 counts[move->to]++;
11785 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11786 counts[pieceType[quickBoard[to]]]--;
11787 quickBoard[to] = 0; total--;
11790 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11791 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11792 from = pieceList[piece]; // so this must be King
11793 quickBoard[from] = 0;
11794 pieceList[piece] = to;
11795 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11796 quickBoard[from] = 0; // rook
11797 quickBoard[to] = piece;
11798 to = move->to; piece = move->piece;
11802 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11803 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11804 quickBoard[from] = 0;
11806 quickBoard[to] = piece;
11807 pieceList[piece] = to;
11809 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11810 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11811 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11812 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11814 static int lastCounts[EmptySquare+1];
11816 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11817 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11818 } else stretch = 0;
11819 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11828 flipSearch = FALSE;
11829 CopyBoard(soughtBoard, boards[currentMove]);
11830 soughtTotal = MakePieceList(soughtBoard, maxSought);
11831 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11832 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11833 CopyBoard(reverseBoard, boards[currentMove]);
11834 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11835 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11836 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11837 reverseBoard[r][f] = piece;
11839 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11840 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11841 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11842 || (boards[currentMove][CASTLING][2] == NoRights ||
11843 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11844 && (boards[currentMove][CASTLING][5] == NoRights ||
11845 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11848 CopyBoard(flipBoard, soughtBoard);
11849 CopyBoard(rotateBoard, reverseBoard);
11850 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11851 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11852 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11855 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11856 if(appData.searchMode >= 5) {
11857 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11858 MakePieceList(soughtBoard, minSought);
11859 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11861 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11862 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11865 GameInfo dummyInfo;
11866 static int creatingBook;
11869 GameContainsPosition (FILE *f, ListGame *lg)
11871 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11872 int fromX, fromY, toX, toY;
11874 static int initDone=FALSE;
11876 // weed out games based on numerical tag comparison
11877 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11878 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11879 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11880 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11882 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11885 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11886 else CopyBoard(boards[scratch], initialPosition); // default start position
11889 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11890 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11893 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11894 fseek(f, lg->offset, 0);
11897 yyboardindex = scratch;
11898 quickFlag = plyNr+1;
11903 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11909 if(plyNr) return -1; // after we have seen moves, this is for new game
11912 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11913 case ImpossibleMove:
11914 case WhiteWins: // game ends here with these four
11917 case GameUnfinished:
11921 if(appData.testLegality) return -1;
11922 case WhiteCapturesEnPassant:
11923 case BlackCapturesEnPassant:
11924 case WhitePromotion:
11925 case BlackPromotion:
11926 case WhiteNonPromotion:
11927 case BlackNonPromotion:
11929 case WhiteKingSideCastle:
11930 case WhiteQueenSideCastle:
11931 case BlackKingSideCastle:
11932 case BlackQueenSideCastle:
11933 case WhiteKingSideCastleWild:
11934 case WhiteQueenSideCastleWild:
11935 case BlackKingSideCastleWild:
11936 case BlackQueenSideCastleWild:
11937 case WhiteHSideCastleFR:
11938 case WhiteASideCastleFR:
11939 case BlackHSideCastleFR:
11940 case BlackASideCastleFR:
11941 fromX = currentMoveString[0] - AAA;
11942 fromY = currentMoveString[1] - ONE;
11943 toX = currentMoveString[2] - AAA;
11944 toY = currentMoveString[3] - ONE;
11945 promoChar = currentMoveString[4];
11949 fromX = next == WhiteDrop ?
11950 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11951 (int) CharToPiece(ToLower(currentMoveString[0]));
11953 toX = currentMoveString[2] - AAA;
11954 toY = currentMoveString[3] - ONE;
11958 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11960 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11961 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11962 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11963 if(appData.findMirror) {
11964 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11965 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11970 /* Load the nth game from open file f */
11972 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11976 int gn = gameNumber;
11977 ListGame *lg = NULL;
11978 int numPGNTags = 0;
11980 GameMode oldGameMode;
11981 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11983 if (appData.debugMode)
11984 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11986 if (gameMode == Training )
11987 SetTrainingModeOff();
11989 oldGameMode = gameMode;
11990 if (gameMode != BeginningOfGame) {
11991 Reset(FALSE, TRUE);
11995 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11996 fclose(lastLoadGameFP);
12000 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12003 fseek(f, lg->offset, 0);
12004 GameListHighlight(gameNumber);
12005 pos = lg->position;
12009 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
12010 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12012 DisplayError(_("Game number out of range"), 0);
12017 if (fseek(f, 0, 0) == -1) {
12018 if (f == lastLoadGameFP ?
12019 gameNumber == lastLoadGameNumber + 1 :
12023 DisplayError(_("Can't seek on game file"), 0);
12028 lastLoadGameFP = f;
12029 lastLoadGameNumber = gameNumber;
12030 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12031 lastLoadGameUseList = useList;
12035 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12036 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12037 lg->gameInfo.black);
12039 } else if (*title != NULLCHAR) {
12040 if (gameNumber > 1) {
12041 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12044 DisplayTitle(title);
12048 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12049 gameMode = PlayFromGameFile;
12053 currentMove = forwardMostMove = backwardMostMove = 0;
12054 CopyBoard(boards[0], initialPosition);
12058 * Skip the first gn-1 games in the file.
12059 * Also skip over anything that precedes an identifiable
12060 * start of game marker, to avoid being confused by
12061 * garbage at the start of the file. Currently
12062 * recognized start of game markers are the move number "1",
12063 * the pattern "gnuchess .* game", the pattern
12064 * "^[#;%] [^ ]* game file", and a PGN tag block.
12065 * A game that starts with one of the latter two patterns
12066 * will also have a move number 1, possibly
12067 * following a position diagram.
12068 * 5-4-02: Let's try being more lenient and allowing a game to
12069 * start with an unnumbered move. Does that break anything?
12071 cm = lastLoadGameStart = EndOfFile;
12073 yyboardindex = forwardMostMove;
12074 cm = (ChessMove) Myylex();
12077 if (cmailMsgLoaded) {
12078 nCmailGames = CMAIL_MAX_GAMES - gn;
12081 DisplayError(_("Game not found in file"), 0);
12088 lastLoadGameStart = cm;
12091 case MoveNumberOne:
12092 switch (lastLoadGameStart) {
12097 case MoveNumberOne:
12099 gn--; /* count this game */
12100 lastLoadGameStart = cm;
12109 switch (lastLoadGameStart) {
12112 case MoveNumberOne:
12114 gn--; /* count this game */
12115 lastLoadGameStart = cm;
12118 lastLoadGameStart = cm; /* game counted already */
12126 yyboardindex = forwardMostMove;
12127 cm = (ChessMove) Myylex();
12128 } while (cm == PGNTag || cm == Comment);
12135 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12136 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12137 != CMAIL_OLD_RESULT) {
12139 cmailResult[ CMAIL_MAX_GAMES
12140 - gn - 1] = CMAIL_OLD_RESULT;
12146 /* Only a NormalMove can be at the start of a game
12147 * without a position diagram. */
12148 if (lastLoadGameStart == EndOfFile ) {
12150 lastLoadGameStart = MoveNumberOne;
12159 if (appData.debugMode)
12160 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12162 if (cm == XBoardGame) {
12163 /* Skip any header junk before position diagram and/or move 1 */
12165 yyboardindex = forwardMostMove;
12166 cm = (ChessMove) Myylex();
12168 if (cm == EndOfFile ||
12169 cm == GNUChessGame || cm == XBoardGame) {
12170 /* Empty game; pretend end-of-file and handle later */
12175 if (cm == MoveNumberOne || cm == PositionDiagram ||
12176 cm == PGNTag || cm == Comment)
12179 } else if (cm == GNUChessGame) {
12180 if (gameInfo.event != NULL) {
12181 free(gameInfo.event);
12183 gameInfo.event = StrSave(yy_text);
12186 startedFromSetupPosition = FALSE;
12187 while (cm == PGNTag) {
12188 if (appData.debugMode)
12189 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12190 err = ParsePGNTag(yy_text, &gameInfo);
12191 if (!err) numPGNTags++;
12193 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12194 if(gameInfo.variant != oldVariant) {
12195 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12196 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12197 InitPosition(TRUE);
12198 oldVariant = gameInfo.variant;
12199 if (appData.debugMode)
12200 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12204 if (gameInfo.fen != NULL) {
12205 Board initial_position;
12206 startedFromSetupPosition = TRUE;
12207 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12209 DisplayError(_("Bad FEN position in file"), 0);
12212 CopyBoard(boards[0], initial_position);
12213 if (blackPlaysFirst) {
12214 currentMove = forwardMostMove = backwardMostMove = 1;
12215 CopyBoard(boards[1], initial_position);
12216 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12217 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12218 timeRemaining[0][1] = whiteTimeRemaining;
12219 timeRemaining[1][1] = blackTimeRemaining;
12220 if (commentList[0] != NULL) {
12221 commentList[1] = commentList[0];
12222 commentList[0] = NULL;
12225 currentMove = forwardMostMove = backwardMostMove = 0;
12227 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12229 initialRulePlies = FENrulePlies;
12230 for( i=0; i< nrCastlingRights; i++ )
12231 initialRights[i] = initial_position[CASTLING][i];
12233 yyboardindex = forwardMostMove;
12234 free(gameInfo.fen);
12235 gameInfo.fen = NULL;
12238 yyboardindex = forwardMostMove;
12239 cm = (ChessMove) Myylex();
12241 /* Handle comments interspersed among the tags */
12242 while (cm == Comment) {
12244 if (appData.debugMode)
12245 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12247 AppendComment(currentMove, p, FALSE);
12248 yyboardindex = forwardMostMove;
12249 cm = (ChessMove) Myylex();
12253 /* don't rely on existence of Event tag since if game was
12254 * pasted from clipboard the Event tag may not exist
12256 if (numPGNTags > 0){
12258 if (gameInfo.variant == VariantNormal) {
12259 VariantClass v = StringToVariant(gameInfo.event);
12260 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12261 if(v < VariantShogi) gameInfo.variant = v;
12264 if( appData.autoDisplayTags ) {
12265 tags = PGNTags(&gameInfo);
12266 TagsPopUp(tags, CmailMsg());
12271 /* Make something up, but don't display it now */
12276 if (cm == PositionDiagram) {
12279 Board initial_position;
12281 if (appData.debugMode)
12282 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12284 if (!startedFromSetupPosition) {
12286 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12287 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12298 initial_position[i][j++] = CharToPiece(*p);
12301 while (*p == ' ' || *p == '\t' ||
12302 *p == '\n' || *p == '\r') p++;
12304 if (strncmp(p, "black", strlen("black"))==0)
12305 blackPlaysFirst = TRUE;
12307 blackPlaysFirst = FALSE;
12308 startedFromSetupPosition = TRUE;
12310 CopyBoard(boards[0], initial_position);
12311 if (blackPlaysFirst) {
12312 currentMove = forwardMostMove = backwardMostMove = 1;
12313 CopyBoard(boards[1], initial_position);
12314 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12315 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12316 timeRemaining[0][1] = whiteTimeRemaining;
12317 timeRemaining[1][1] = blackTimeRemaining;
12318 if (commentList[0] != NULL) {
12319 commentList[1] = commentList[0];
12320 commentList[0] = NULL;
12323 currentMove = forwardMostMove = backwardMostMove = 0;
12326 yyboardindex = forwardMostMove;
12327 cm = (ChessMove) Myylex();
12330 if(!creatingBook) {
12331 if (first.pr == NoProc) {
12332 StartChessProgram(&first);
12334 InitChessProgram(&first, FALSE);
12335 SendToProgram("force\n", &first);
12336 if (startedFromSetupPosition) {
12337 SendBoard(&first, forwardMostMove);
12338 if (appData.debugMode) {
12339 fprintf(debugFP, "Load Game\n");
12341 DisplayBothClocks();
12345 /* [HGM] server: flag to write setup moves in broadcast file as one */
12346 loadFlag = appData.suppressLoadMoves;
12348 while (cm == Comment) {
12350 if (appData.debugMode)
12351 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12353 AppendComment(currentMove, p, FALSE);
12354 yyboardindex = forwardMostMove;
12355 cm = (ChessMove) Myylex();
12358 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12359 cm == WhiteWins || cm == BlackWins ||
12360 cm == GameIsDrawn || cm == GameUnfinished) {
12361 DisplayMessage("", _("No moves in game"));
12362 if (cmailMsgLoaded) {
12363 if (appData.debugMode)
12364 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12368 DrawPosition(FALSE, boards[currentMove]);
12369 DisplayBothClocks();
12370 gameMode = EditGame;
12377 // [HGM] PV info: routine tests if comment empty
12378 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12379 DisplayComment(currentMove - 1, commentList[currentMove]);
12381 if (!matchMode && appData.timeDelay != 0)
12382 DrawPosition(FALSE, boards[currentMove]);
12384 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12385 programStats.ok_to_send = 1;
12388 /* if the first token after the PGN tags is a move
12389 * and not move number 1, retrieve it from the parser
12391 if (cm != MoveNumberOne)
12392 LoadGameOneMove(cm);
12394 /* load the remaining moves from the file */
12395 while (LoadGameOneMove(EndOfFile)) {
12396 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12397 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12400 /* rewind to the start of the game */
12401 currentMove = backwardMostMove;
12403 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12405 if (oldGameMode == AnalyzeFile ||
12406 oldGameMode == AnalyzeMode) {
12407 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12408 AnalyzeFileEvent();
12411 if(creatingBook) return TRUE;
12412 if (!matchMode && pos > 0) {
12413 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12415 if (matchMode || appData.timeDelay == 0) {
12417 } else if (appData.timeDelay > 0) {
12418 AutoPlayGameLoop();
12421 if (appData.debugMode)
12422 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12424 loadFlag = 0; /* [HGM] true game starts */
12428 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12430 ReloadPosition (int offset)
12432 int positionNumber = lastLoadPositionNumber + offset;
12433 if (lastLoadPositionFP == NULL) {
12434 DisplayError(_("No position has been loaded yet"), 0);
12437 if (positionNumber <= 0) {
12438 DisplayError(_("Can't back up any further"), 0);
12441 return LoadPosition(lastLoadPositionFP, positionNumber,
12442 lastLoadPositionTitle);
12445 /* Load the nth position from the given file */
12447 LoadPositionFromFile (char *filename, int n, char *title)
12452 if (strcmp(filename, "-") == 0) {
12453 return LoadPosition(stdin, n, "stdin");
12455 f = fopen(filename, "rb");
12457 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12458 DisplayError(buf, errno);
12461 return LoadPosition(f, n, title);
12466 /* Load the nth position from the given open file, and close it */
12468 LoadPosition (FILE *f, int positionNumber, char *title)
12470 char *p, line[MSG_SIZ];
12471 Board initial_position;
12472 int i, j, fenMode, pn;
12474 if (gameMode == Training )
12475 SetTrainingModeOff();
12477 if (gameMode != BeginningOfGame) {
12478 Reset(FALSE, TRUE);
12480 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12481 fclose(lastLoadPositionFP);
12483 if (positionNumber == 0) positionNumber = 1;
12484 lastLoadPositionFP = f;
12485 lastLoadPositionNumber = positionNumber;
12486 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12487 if (first.pr == NoProc && !appData.noChessProgram) {
12488 StartChessProgram(&first);
12489 InitChessProgram(&first, FALSE);
12491 pn = positionNumber;
12492 if (positionNumber < 0) {
12493 /* Negative position number means to seek to that byte offset */
12494 if (fseek(f, -positionNumber, 0) == -1) {
12495 DisplayError(_("Can't seek on position file"), 0);
12500 if (fseek(f, 0, 0) == -1) {
12501 if (f == lastLoadPositionFP ?
12502 positionNumber == lastLoadPositionNumber + 1 :
12503 positionNumber == 1) {
12506 DisplayError(_("Can't seek on position file"), 0);
12511 /* See if this file is FEN or old-style xboard */
12512 if (fgets(line, MSG_SIZ, f) == NULL) {
12513 DisplayError(_("Position not found in file"), 0);
12516 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12517 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12520 if (fenMode || line[0] == '#') pn--;
12522 /* skip positions before number pn */
12523 if (fgets(line, MSG_SIZ, f) == NULL) {
12525 DisplayError(_("Position not found in file"), 0);
12528 if (fenMode || line[0] == '#') pn--;
12533 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12534 DisplayError(_("Bad FEN position in file"), 0);
12538 (void) fgets(line, MSG_SIZ, f);
12539 (void) fgets(line, MSG_SIZ, f);
12541 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12542 (void) fgets(line, MSG_SIZ, f);
12543 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12546 initial_position[i][j++] = CharToPiece(*p);
12550 blackPlaysFirst = FALSE;
12552 (void) fgets(line, MSG_SIZ, f);
12553 if (strncmp(line, "black", strlen("black"))==0)
12554 blackPlaysFirst = TRUE;
12557 startedFromSetupPosition = TRUE;
12559 CopyBoard(boards[0], initial_position);
12560 if (blackPlaysFirst) {
12561 currentMove = forwardMostMove = backwardMostMove = 1;
12562 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12563 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12564 CopyBoard(boards[1], initial_position);
12565 DisplayMessage("", _("Black to play"));
12567 currentMove = forwardMostMove = backwardMostMove = 0;
12568 DisplayMessage("", _("White to play"));
12570 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12571 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12572 SendToProgram("force\n", &first);
12573 SendBoard(&first, forwardMostMove);
12575 if (appData.debugMode) {
12577 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12578 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12579 fprintf(debugFP, "Load Position\n");
12582 if (positionNumber > 1) {
12583 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12584 DisplayTitle(line);
12586 DisplayTitle(title);
12588 gameMode = EditGame;
12591 timeRemaining[0][1] = whiteTimeRemaining;
12592 timeRemaining[1][1] = blackTimeRemaining;
12593 DrawPosition(FALSE, boards[currentMove]);
12600 CopyPlayerNameIntoFileName (char **dest, char *src)
12602 while (*src != NULLCHAR && *src != ',') {
12607 *(*dest)++ = *src++;
12613 DefaultFileName (char *ext)
12615 static char def[MSG_SIZ];
12618 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12620 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12622 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12624 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12631 /* Save the current game to the given file */
12633 SaveGameToFile (char *filename, int append)
12637 int result, i, t,tot=0;
12639 if (strcmp(filename, "-") == 0) {
12640 return SaveGame(stdout, 0, NULL);
12642 for(i=0; i<10; i++) { // upto 10 tries
12643 f = fopen(filename, append ? "a" : "w");
12644 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12645 if(f || errno != 13) break;
12646 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12650 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12651 DisplayError(buf, errno);
12654 safeStrCpy(buf, lastMsg, MSG_SIZ);
12655 DisplayMessage(_("Waiting for access to save file"), "");
12656 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12657 DisplayMessage(_("Saving game"), "");
12658 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12659 result = SaveGame(f, 0, NULL);
12660 DisplayMessage(buf, "");
12667 SavePart (char *str)
12669 static char buf[MSG_SIZ];
12672 p = strchr(str, ' ');
12673 if (p == NULL) return str;
12674 strncpy(buf, str, p - str);
12675 buf[p - str] = NULLCHAR;
12679 #define PGN_MAX_LINE 75
12681 #define PGN_SIDE_WHITE 0
12682 #define PGN_SIDE_BLACK 1
12685 FindFirstMoveOutOfBook (int side)
12689 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12690 int index = backwardMostMove;
12691 int has_book_hit = 0;
12693 if( (index % 2) != side ) {
12697 while( index < forwardMostMove ) {
12698 /* Check to see if engine is in book */
12699 int depth = pvInfoList[index].depth;
12700 int score = pvInfoList[index].score;
12706 else if( score == 0 && depth == 63 ) {
12707 in_book = 1; /* Zappa */
12709 else if( score == 2 && depth == 99 ) {
12710 in_book = 1; /* Abrok */
12713 has_book_hit += in_book;
12729 GetOutOfBookInfo (char * buf)
12733 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12735 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12736 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12740 if( oob[0] >= 0 || oob[1] >= 0 ) {
12741 for( i=0; i<2; i++ ) {
12745 if( i > 0 && oob[0] >= 0 ) {
12746 strcat( buf, " " );
12749 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12750 sprintf( buf+strlen(buf), "%s%.2f",
12751 pvInfoList[idx].score >= 0 ? "+" : "",
12752 pvInfoList[idx].score / 100.0 );
12758 /* Save game in PGN style and close the file */
12760 SaveGamePGN (FILE *f)
12762 int i, offset, linelen, newblock;
12765 int movelen, numlen, blank;
12766 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12768 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12770 PrintPGNTags(f, &gameInfo);
12772 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12774 if (backwardMostMove > 0 || startedFromSetupPosition) {
12775 char *fen = PositionToFEN(backwardMostMove, NULL);
12776 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12777 fprintf(f, "\n{--------------\n");
12778 PrintPosition(f, backwardMostMove);
12779 fprintf(f, "--------------}\n");
12783 /* [AS] Out of book annotation */
12784 if( appData.saveOutOfBookInfo ) {
12787 GetOutOfBookInfo( buf );
12789 if( buf[0] != '\0' ) {
12790 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12797 i = backwardMostMove;
12801 while (i < forwardMostMove) {
12802 /* Print comments preceding this move */
12803 if (commentList[i] != NULL) {
12804 if (linelen > 0) fprintf(f, "\n");
12805 fprintf(f, "%s", commentList[i]);
12810 /* Format move number */
12812 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12815 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12817 numtext[0] = NULLCHAR;
12819 numlen = strlen(numtext);
12822 /* Print move number */
12823 blank = linelen > 0 && numlen > 0;
12824 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12833 fprintf(f, "%s", numtext);
12837 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12838 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12841 blank = linelen > 0 && movelen > 0;
12842 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12851 fprintf(f, "%s", move_buffer);
12852 linelen += movelen;
12854 /* [AS] Add PV info if present */
12855 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12856 /* [HGM] add time */
12857 char buf[MSG_SIZ]; int seconds;
12859 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12865 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12868 seconds = (seconds + 4)/10; // round to full seconds
12870 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12872 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12875 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12876 pvInfoList[i].score >= 0 ? "+" : "",
12877 pvInfoList[i].score / 100.0,
12878 pvInfoList[i].depth,
12881 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12883 /* Print score/depth */
12884 blank = linelen > 0 && movelen > 0;
12885 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12894 fprintf(f, "%s", move_buffer);
12895 linelen += movelen;
12901 /* Start a new line */
12902 if (linelen > 0) fprintf(f, "\n");
12904 /* Print comments after last move */
12905 if (commentList[i] != NULL) {
12906 fprintf(f, "%s\n", commentList[i]);
12910 if (gameInfo.resultDetails != NULL &&
12911 gameInfo.resultDetails[0] != NULLCHAR) {
12912 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12913 PGNResult(gameInfo.result));
12915 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12919 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12923 /* Save game in old style and close the file */
12925 SaveGameOldStyle (FILE *f)
12930 tm = time((time_t *) NULL);
12932 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12935 if (backwardMostMove > 0 || startedFromSetupPosition) {
12936 fprintf(f, "\n[--------------\n");
12937 PrintPosition(f, backwardMostMove);
12938 fprintf(f, "--------------]\n");
12943 i = backwardMostMove;
12944 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12946 while (i < forwardMostMove) {
12947 if (commentList[i] != NULL) {
12948 fprintf(f, "[%s]\n", commentList[i]);
12951 if ((i % 2) == 1) {
12952 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12955 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12957 if (commentList[i] != NULL) {
12961 if (i >= forwardMostMove) {
12965 fprintf(f, "%s\n", parseList[i]);
12970 if (commentList[i] != NULL) {
12971 fprintf(f, "[%s]\n", commentList[i]);
12974 /* This isn't really the old style, but it's close enough */
12975 if (gameInfo.resultDetails != NULL &&
12976 gameInfo.resultDetails[0] != NULLCHAR) {
12977 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12978 gameInfo.resultDetails);
12980 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12987 /* Save the current game to open file f and close the file */
12989 SaveGame (FILE *f, int dummy, char *dummy2)
12991 if (gameMode == EditPosition) EditPositionDone(TRUE);
12992 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12993 if (appData.oldSaveStyle)
12994 return SaveGameOldStyle(f);
12996 return SaveGamePGN(f);
12999 /* Save the current position to the given file */
13001 SavePositionToFile (char *filename)
13006 if (strcmp(filename, "-") == 0) {
13007 return SavePosition(stdout, 0, NULL);
13009 f = fopen(filename, "a");
13011 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13012 DisplayError(buf, errno);
13015 safeStrCpy(buf, lastMsg, MSG_SIZ);
13016 DisplayMessage(_("Waiting for access to save file"), "");
13017 flock(fileno(f), LOCK_EX); // [HGM] lock
13018 DisplayMessage(_("Saving position"), "");
13019 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13020 SavePosition(f, 0, NULL);
13021 DisplayMessage(buf, "");
13027 /* Save the current position to the given open file and close the file */
13029 SavePosition (FILE *f, int dummy, char *dummy2)
13034 if (gameMode == EditPosition) EditPositionDone(TRUE);
13035 if (appData.oldSaveStyle) {
13036 tm = time((time_t *) NULL);
13038 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13040 fprintf(f, "[--------------\n");
13041 PrintPosition(f, currentMove);
13042 fprintf(f, "--------------]\n");
13044 fen = PositionToFEN(currentMove, NULL);
13045 fprintf(f, "%s\n", fen);
13053 ReloadCmailMsgEvent (int unregister)
13056 static char *inFilename = NULL;
13057 static char *outFilename;
13059 struct stat inbuf, outbuf;
13062 /* Any registered moves are unregistered if unregister is set, */
13063 /* i.e. invoked by the signal handler */
13065 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13066 cmailMoveRegistered[i] = FALSE;
13067 if (cmailCommentList[i] != NULL) {
13068 free(cmailCommentList[i]);
13069 cmailCommentList[i] = NULL;
13072 nCmailMovesRegistered = 0;
13075 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13076 cmailResult[i] = CMAIL_NOT_RESULT;
13080 if (inFilename == NULL) {
13081 /* Because the filenames are static they only get malloced once */
13082 /* and they never get freed */
13083 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13084 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13086 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13087 sprintf(outFilename, "%s.out", appData.cmailGameName);
13090 status = stat(outFilename, &outbuf);
13092 cmailMailedMove = FALSE;
13094 status = stat(inFilename, &inbuf);
13095 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13098 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13099 counts the games, notes how each one terminated, etc.
13101 It would be nice to remove this kludge and instead gather all
13102 the information while building the game list. (And to keep it
13103 in the game list nodes instead of having a bunch of fixed-size
13104 parallel arrays.) Note this will require getting each game's
13105 termination from the PGN tags, as the game list builder does
13106 not process the game moves. --mann
13108 cmailMsgLoaded = TRUE;
13109 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13111 /* Load first game in the file or popup game menu */
13112 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13114 #endif /* !WIN32 */
13122 char string[MSG_SIZ];
13124 if ( cmailMailedMove
13125 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13126 return TRUE; /* Allow free viewing */
13129 /* Unregister move to ensure that we don't leave RegisterMove */
13130 /* with the move registered when the conditions for registering no */
13132 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13133 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13134 nCmailMovesRegistered --;
13136 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13138 free(cmailCommentList[lastLoadGameNumber - 1]);
13139 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13143 if (cmailOldMove == -1) {
13144 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13148 if (currentMove > cmailOldMove + 1) {
13149 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13153 if (currentMove < cmailOldMove) {
13154 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13158 if (forwardMostMove > currentMove) {
13159 /* Silently truncate extra moves */
13163 if ( (currentMove == cmailOldMove + 1)
13164 || ( (currentMove == cmailOldMove)
13165 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13166 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13167 if (gameInfo.result != GameUnfinished) {
13168 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13171 if (commentList[currentMove] != NULL) {
13172 cmailCommentList[lastLoadGameNumber - 1]
13173 = StrSave(commentList[currentMove]);
13175 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13177 if (appData.debugMode)
13178 fprintf(debugFP, "Saving %s for game %d\n",
13179 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13181 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13183 f = fopen(string, "w");
13184 if (appData.oldSaveStyle) {
13185 SaveGameOldStyle(f); /* also closes the file */
13187 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13188 f = fopen(string, "w");
13189 SavePosition(f, 0, NULL); /* also closes the file */
13191 fprintf(f, "{--------------\n");
13192 PrintPosition(f, currentMove);
13193 fprintf(f, "--------------}\n\n");
13195 SaveGame(f, 0, NULL); /* also closes the file*/
13198 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13199 nCmailMovesRegistered ++;
13200 } else if (nCmailGames == 1) {
13201 DisplayError(_("You have not made a move yet"), 0);
13212 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13213 FILE *commandOutput;
13214 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13215 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13221 if (! cmailMsgLoaded) {
13222 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13226 if (nCmailGames == nCmailResults) {
13227 DisplayError(_("No unfinished games"), 0);
13231 #if CMAIL_PROHIBIT_REMAIL
13232 if (cmailMailedMove) {
13233 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);
13234 DisplayError(msg, 0);
13239 if (! (cmailMailedMove || RegisterMove())) return;
13241 if ( cmailMailedMove
13242 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13243 snprintf(string, MSG_SIZ, partCommandString,
13244 appData.debugMode ? " -v" : "", appData.cmailGameName);
13245 commandOutput = popen(string, "r");
13247 if (commandOutput == NULL) {
13248 DisplayError(_("Failed to invoke cmail"), 0);
13250 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13251 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13253 if (nBuffers > 1) {
13254 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13255 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13256 nBytes = MSG_SIZ - 1;
13258 (void) memcpy(msg, buffer, nBytes);
13260 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13262 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13263 cmailMailedMove = TRUE; /* Prevent >1 moves */
13266 for (i = 0; i < nCmailGames; i ++) {
13267 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13272 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13274 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13276 appData.cmailGameName,
13278 LoadGameFromFile(buffer, 1, buffer, FALSE);
13279 cmailMsgLoaded = FALSE;
13283 DisplayInformation(msg);
13284 pclose(commandOutput);
13287 if ((*cmailMsg) != '\0') {
13288 DisplayInformation(cmailMsg);
13293 #endif /* !WIN32 */
13302 int prependComma = 0;
13304 char string[MSG_SIZ]; /* Space for game-list */
13307 if (!cmailMsgLoaded) return "";
13309 if (cmailMailedMove) {
13310 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13312 /* Create a list of games left */
13313 snprintf(string, MSG_SIZ, "[");
13314 for (i = 0; i < nCmailGames; i ++) {
13315 if (! ( cmailMoveRegistered[i]
13316 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13317 if (prependComma) {
13318 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13320 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13324 strcat(string, number);
13327 strcat(string, "]");
13329 if (nCmailMovesRegistered + nCmailResults == 0) {
13330 switch (nCmailGames) {
13332 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13336 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13340 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13345 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13347 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13352 if (nCmailResults == nCmailGames) {
13353 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13355 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13360 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13372 if (gameMode == Training)
13373 SetTrainingModeOff();
13376 cmailMsgLoaded = FALSE;
13377 if (appData.icsActive) {
13378 SendToICS(ics_prefix);
13379 SendToICS("refresh\n");
13384 ExitEvent (int status)
13388 /* Give up on clean exit */
13392 /* Keep trying for clean exit */
13396 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13398 if (telnetISR != NULL) {
13399 RemoveInputSource(telnetISR);
13401 if (icsPR != NoProc) {
13402 DestroyChildProcess(icsPR, TRUE);
13405 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13406 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13408 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13409 /* make sure this other one finishes before killing it! */
13410 if(endingGame) { int count = 0;
13411 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13412 while(endingGame && count++ < 10) DoSleep(1);
13413 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13416 /* Kill off chess programs */
13417 if (first.pr != NoProc) {
13420 DoSleep( appData.delayBeforeQuit );
13421 SendToProgram("quit\n", &first);
13422 DoSleep( appData.delayAfterQuit );
13423 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13425 if (second.pr != NoProc) {
13426 DoSleep( appData.delayBeforeQuit );
13427 SendToProgram("quit\n", &second);
13428 DoSleep( appData.delayAfterQuit );
13429 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13431 if (first.isr != NULL) {
13432 RemoveInputSource(first.isr);
13434 if (second.isr != NULL) {
13435 RemoveInputSource(second.isr);
13438 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13439 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13441 ShutDownFrontEnd();
13446 PauseEngine (ChessProgramState *cps)
13448 SendToProgram("pause\n", cps);
13453 UnPauseEngine (ChessProgramState *cps)
13455 SendToProgram("resume\n", cps);
13462 if (appData.debugMode)
13463 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13467 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13469 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13470 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13471 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13473 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13474 HandleMachineMove(stashedInputMove, stalledEngine);
13475 stalledEngine = NULL;
13478 if (gameMode == MachinePlaysWhite ||
13479 gameMode == TwoMachinesPlay ||
13480 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13481 if(first.pause) UnPauseEngine(&first);
13482 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13483 if(second.pause) UnPauseEngine(&second);
13484 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13487 DisplayBothClocks();
13489 if (gameMode == PlayFromGameFile) {
13490 if (appData.timeDelay >= 0)
13491 AutoPlayGameLoop();
13492 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13493 Reset(FALSE, TRUE);
13494 SendToICS(ics_prefix);
13495 SendToICS("refresh\n");
13496 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13497 ForwardInner(forwardMostMove);
13499 pauseExamInvalid = FALSE;
13501 switch (gameMode) {
13505 pauseExamForwardMostMove = forwardMostMove;
13506 pauseExamInvalid = FALSE;
13509 case IcsPlayingWhite:
13510 case IcsPlayingBlack:
13514 case PlayFromGameFile:
13515 (void) StopLoadGameTimer();
13519 case BeginningOfGame:
13520 if (appData.icsActive) return;
13521 /* else fall through */
13522 case MachinePlaysWhite:
13523 case MachinePlaysBlack:
13524 case TwoMachinesPlay:
13525 if (forwardMostMove == 0)
13526 return; /* don't pause if no one has moved */
13527 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13528 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13529 if(onMove->pause) { // thinking engine can be paused
13530 PauseEngine(onMove); // do it
13531 if(onMove->other->pause) // pondering opponent can always be paused immediately
13532 PauseEngine(onMove->other);
13534 SendToProgram("easy\n", onMove->other);
13536 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13537 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13539 PauseEngine(&first);
13541 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13542 } else { // human on move, pause pondering by either method
13544 PauseEngine(&first);
13545 else if(appData.ponderNextMove)
13546 SendToProgram("easy\n", &first);
13549 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13559 EditCommentEvent ()
13561 char title[MSG_SIZ];
13563 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13564 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13566 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13567 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13568 parseList[currentMove - 1]);
13571 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13578 char *tags = PGNTags(&gameInfo);
13580 EditTagsPopUp(tags, NULL);
13587 if(second.analyzing) {
13588 SendToProgram("exit\n", &second);
13589 second.analyzing = FALSE;
13591 if (second.pr == NoProc) StartChessProgram(&second);
13592 InitChessProgram(&second, FALSE);
13593 FeedMovesToProgram(&second, currentMove);
13595 SendToProgram("analyze\n", &second);
13596 second.analyzing = TRUE;
13600 /* Toggle ShowThinking */
13602 ToggleShowThinking()
13604 appData.showThinking = !appData.showThinking;
13605 ShowThinkingEvent();
13609 AnalyzeModeEvent ()
13613 if (!first.analysisSupport) {
13614 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13615 DisplayError(buf, 0);
13618 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13619 if (appData.icsActive) {
13620 if (gameMode != IcsObserving) {
13621 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13622 DisplayError(buf, 0);
13624 if (appData.icsEngineAnalyze) {
13625 if (appData.debugMode)
13626 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13632 /* if enable, user wants to disable icsEngineAnalyze */
13633 if (appData.icsEngineAnalyze) {
13638 appData.icsEngineAnalyze = TRUE;
13639 if (appData.debugMode)
13640 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13643 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13644 if (appData.noChessProgram || gameMode == AnalyzeMode)
13647 if (gameMode != AnalyzeFile) {
13648 if (!appData.icsEngineAnalyze) {
13650 if (gameMode != EditGame) return 0;
13652 if (!appData.showThinking) ToggleShowThinking();
13653 ResurrectChessProgram();
13654 SendToProgram("analyze\n", &first);
13655 first.analyzing = TRUE;
13656 /*first.maybeThinking = TRUE;*/
13657 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13658 EngineOutputPopUp();
13660 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13665 StartAnalysisClock();
13666 GetTimeMark(&lastNodeCountTime);
13672 AnalyzeFileEvent ()
13674 if (appData.noChessProgram || gameMode == AnalyzeFile)
13677 if (!first.analysisSupport) {
13679 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13680 DisplayError(buf, 0);
13684 if (gameMode != AnalyzeMode) {
13685 keepInfo = 1; // mere annotating should not alter PGN tags
13688 if (gameMode != EditGame) return;
13689 if (!appData.showThinking) ToggleShowThinking();
13690 ResurrectChessProgram();
13691 SendToProgram("analyze\n", &first);
13692 first.analyzing = TRUE;
13693 /*first.maybeThinking = TRUE;*/
13694 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13695 EngineOutputPopUp();
13697 gameMode = AnalyzeFile;
13701 StartAnalysisClock();
13702 GetTimeMark(&lastNodeCountTime);
13704 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13705 AnalysisPeriodicEvent(1);
13709 MachineWhiteEvent ()
13712 char *bookHit = NULL;
13714 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13718 if (gameMode == PlayFromGameFile ||
13719 gameMode == TwoMachinesPlay ||
13720 gameMode == Training ||
13721 gameMode == AnalyzeMode ||
13722 gameMode == EndOfGame)
13725 if (gameMode == EditPosition)
13726 EditPositionDone(TRUE);
13728 if (!WhiteOnMove(currentMove)) {
13729 DisplayError(_("It is not White's turn"), 0);
13733 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13736 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13737 gameMode == AnalyzeFile)
13740 ResurrectChessProgram(); /* in case it isn't running */
13741 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13742 gameMode = MachinePlaysWhite;
13745 gameMode = MachinePlaysWhite;
13749 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13751 if (first.sendName) {
13752 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13753 SendToProgram(buf, &first);
13755 if (first.sendTime) {
13756 if (first.useColors) {
13757 SendToProgram("black\n", &first); /*gnu kludge*/
13759 SendTimeRemaining(&first, TRUE);
13761 if (first.useColors) {
13762 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13764 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13765 SetMachineThinkingEnables();
13766 first.maybeThinking = TRUE;
13770 if (appData.autoFlipView && !flipView) {
13771 flipView = !flipView;
13772 DrawPosition(FALSE, NULL);
13773 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13776 if(bookHit) { // [HGM] book: simulate book reply
13777 static char bookMove[MSG_SIZ]; // a bit generous?
13779 programStats.nodes = programStats.depth = programStats.time =
13780 programStats.score = programStats.got_only_move = 0;
13781 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13783 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13784 strcat(bookMove, bookHit);
13785 HandleMachineMove(bookMove, &first);
13790 MachineBlackEvent ()
13793 char *bookHit = NULL;
13795 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13799 if (gameMode == PlayFromGameFile ||
13800 gameMode == TwoMachinesPlay ||
13801 gameMode == Training ||
13802 gameMode == AnalyzeMode ||
13803 gameMode == EndOfGame)
13806 if (gameMode == EditPosition)
13807 EditPositionDone(TRUE);
13809 if (WhiteOnMove(currentMove)) {
13810 DisplayError(_("It is not Black's turn"), 0);
13814 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13817 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13818 gameMode == AnalyzeFile)
13821 ResurrectChessProgram(); /* in case it isn't running */
13822 gameMode = MachinePlaysBlack;
13826 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13828 if (first.sendName) {
13829 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13830 SendToProgram(buf, &first);
13832 if (first.sendTime) {
13833 if (first.useColors) {
13834 SendToProgram("white\n", &first); /*gnu kludge*/
13836 SendTimeRemaining(&first, FALSE);
13838 if (first.useColors) {
13839 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13841 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13842 SetMachineThinkingEnables();
13843 first.maybeThinking = TRUE;
13846 if (appData.autoFlipView && flipView) {
13847 flipView = !flipView;
13848 DrawPosition(FALSE, NULL);
13849 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13851 if(bookHit) { // [HGM] book: simulate book reply
13852 static char bookMove[MSG_SIZ]; // a bit generous?
13854 programStats.nodes = programStats.depth = programStats.time =
13855 programStats.score = programStats.got_only_move = 0;
13856 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13858 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13859 strcat(bookMove, bookHit);
13860 HandleMachineMove(bookMove, &first);
13866 DisplayTwoMachinesTitle ()
13869 if (appData.matchGames > 0) {
13870 if(appData.tourneyFile[0]) {
13871 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13872 gameInfo.white, _("vs."), gameInfo.black,
13873 nextGame+1, appData.matchGames+1,
13874 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13876 if (first.twoMachinesColor[0] == 'w') {
13877 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13878 gameInfo.white, _("vs."), gameInfo.black,
13879 first.matchWins, second.matchWins,
13880 matchGame - 1 - (first.matchWins + second.matchWins));
13882 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13883 gameInfo.white, _("vs."), gameInfo.black,
13884 second.matchWins, first.matchWins,
13885 matchGame - 1 - (first.matchWins + second.matchWins));
13888 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13894 SettingsMenuIfReady ()
13896 if (second.lastPing != second.lastPong) {
13897 DisplayMessage("", _("Waiting for second chess program"));
13898 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13902 DisplayMessage("", "");
13903 SettingsPopUp(&second);
13907 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13910 if (cps->pr == NoProc) {
13911 StartChessProgram(cps);
13912 if (cps->protocolVersion == 1) {
13915 /* kludge: allow timeout for initial "feature" command */
13917 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13918 DisplayMessage("", buf);
13919 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13927 TwoMachinesEvent P((void))
13931 ChessProgramState *onmove;
13932 char *bookHit = NULL;
13933 static int stalling = 0;
13937 if (appData.noChessProgram) return;
13939 switch (gameMode) {
13940 case TwoMachinesPlay:
13942 case MachinePlaysWhite:
13943 case MachinePlaysBlack:
13944 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13945 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13949 case BeginningOfGame:
13950 case PlayFromGameFile:
13953 if (gameMode != EditGame) return;
13956 EditPositionDone(TRUE);
13967 // forwardMostMove = currentMove;
13968 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13970 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13972 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13973 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13974 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13978 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13979 DisplayError("second engine does not play this", 0);
13984 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13985 SendToProgram("force\n", &second);
13987 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13990 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13991 if(appData.matchPause>10000 || appData.matchPause<10)
13992 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13993 wait = SubtractTimeMarks(&now, &pauseStart);
13994 if(wait < appData.matchPause) {
13995 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13998 // we are now committed to starting the game
14000 DisplayMessage("", "");
14001 if (startedFromSetupPosition) {
14002 SendBoard(&second, backwardMostMove);
14003 if (appData.debugMode) {
14004 fprintf(debugFP, "Two Machines\n");
14007 for (i = backwardMostMove; i < forwardMostMove; i++) {
14008 SendMoveToProgram(i, &second);
14011 gameMode = TwoMachinesPlay;
14013 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14015 DisplayTwoMachinesTitle();
14017 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14022 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14023 SendToProgram(first.computerString, &first);
14024 if (first.sendName) {
14025 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14026 SendToProgram(buf, &first);
14028 SendToProgram(second.computerString, &second);
14029 if (second.sendName) {
14030 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14031 SendToProgram(buf, &second);
14035 if (!first.sendTime || !second.sendTime) {
14036 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14037 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14039 if (onmove->sendTime) {
14040 if (onmove->useColors) {
14041 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14043 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14045 if (onmove->useColors) {
14046 SendToProgram(onmove->twoMachinesColor, onmove);
14048 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14049 // SendToProgram("go\n", onmove);
14050 onmove->maybeThinking = TRUE;
14051 SetMachineThinkingEnables();
14055 if(bookHit) { // [HGM] book: simulate book reply
14056 static char bookMove[MSG_SIZ]; // a bit generous?
14058 programStats.nodes = programStats.depth = programStats.time =
14059 programStats.score = programStats.got_only_move = 0;
14060 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14062 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14063 strcat(bookMove, bookHit);
14064 savedMessage = bookMove; // args for deferred call
14065 savedState = onmove;
14066 ScheduleDelayedEvent(DeferredBookMove, 1);
14073 if (gameMode == Training) {
14074 SetTrainingModeOff();
14075 gameMode = PlayFromGameFile;
14076 DisplayMessage("", _("Training mode off"));
14078 gameMode = Training;
14079 animateTraining = appData.animate;
14081 /* make sure we are not already at the end of the game */
14082 if (currentMove < forwardMostMove) {
14083 SetTrainingModeOn();
14084 DisplayMessage("", _("Training mode on"));
14086 gameMode = PlayFromGameFile;
14087 DisplayError(_("Already at end of game"), 0);
14096 if (!appData.icsActive) return;
14097 switch (gameMode) {
14098 case IcsPlayingWhite:
14099 case IcsPlayingBlack:
14102 case BeginningOfGame:
14110 EditPositionDone(TRUE);
14123 gameMode = IcsIdle;
14133 switch (gameMode) {
14135 SetTrainingModeOff();
14137 case MachinePlaysWhite:
14138 case MachinePlaysBlack:
14139 case BeginningOfGame:
14140 SendToProgram("force\n", &first);
14141 SetUserThinkingEnables();
14143 case PlayFromGameFile:
14144 (void) StopLoadGameTimer();
14145 if (gameFileFP != NULL) {
14150 EditPositionDone(TRUE);
14155 SendToProgram("force\n", &first);
14157 case TwoMachinesPlay:
14158 GameEnds(EndOfFile, NULL, GE_PLAYER);
14159 ResurrectChessProgram();
14160 SetUserThinkingEnables();
14163 ResurrectChessProgram();
14165 case IcsPlayingBlack:
14166 case IcsPlayingWhite:
14167 DisplayError(_("Warning: You are still playing a game"), 0);
14170 DisplayError(_("Warning: You are still observing a game"), 0);
14173 DisplayError(_("Warning: You are still examining a game"), 0);
14184 first.offeredDraw = second.offeredDraw = 0;
14186 if (gameMode == PlayFromGameFile) {
14187 whiteTimeRemaining = timeRemaining[0][currentMove];
14188 blackTimeRemaining = timeRemaining[1][currentMove];
14192 if (gameMode == MachinePlaysWhite ||
14193 gameMode == MachinePlaysBlack ||
14194 gameMode == TwoMachinesPlay ||
14195 gameMode == EndOfGame) {
14196 i = forwardMostMove;
14197 while (i > currentMove) {
14198 SendToProgram("undo\n", &first);
14201 if(!adjustedClock) {
14202 whiteTimeRemaining = timeRemaining[0][currentMove];
14203 blackTimeRemaining = timeRemaining[1][currentMove];
14204 DisplayBothClocks();
14206 if (whiteFlag || blackFlag) {
14207 whiteFlag = blackFlag = 0;
14212 gameMode = EditGame;
14219 EditPositionEvent ()
14221 if (gameMode == EditPosition) {
14227 if (gameMode != EditGame) return;
14229 gameMode = EditPosition;
14232 if (currentMove > 0)
14233 CopyBoard(boards[0], boards[currentMove]);
14235 blackPlaysFirst = !WhiteOnMove(currentMove);
14237 currentMove = forwardMostMove = backwardMostMove = 0;
14238 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14240 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14246 /* [DM] icsEngineAnalyze - possible call from other functions */
14247 if (appData.icsEngineAnalyze) {
14248 appData.icsEngineAnalyze = FALSE;
14250 DisplayMessage("",_("Close ICS engine analyze..."));
14252 if (first.analysisSupport && first.analyzing) {
14253 SendToBoth("exit\n");
14254 first.analyzing = second.analyzing = FALSE;
14256 thinkOutput[0] = NULLCHAR;
14260 EditPositionDone (Boolean fakeRights)
14262 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14264 startedFromSetupPosition = TRUE;
14265 InitChessProgram(&first, FALSE);
14266 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14267 boards[0][EP_STATUS] = EP_NONE;
14268 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14269 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14270 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14271 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14272 } else boards[0][CASTLING][2] = NoRights;
14273 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14274 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14275 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14276 } else boards[0][CASTLING][5] = NoRights;
14277 if(gameInfo.variant == VariantSChess) {
14279 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14280 boards[0][VIRGIN][i] = 0;
14281 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14282 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14286 SendToProgram("force\n", &first);
14287 if (blackPlaysFirst) {
14288 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14289 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14290 currentMove = forwardMostMove = backwardMostMove = 1;
14291 CopyBoard(boards[1], boards[0]);
14293 currentMove = forwardMostMove = backwardMostMove = 0;
14295 SendBoard(&first, forwardMostMove);
14296 if (appData.debugMode) {
14297 fprintf(debugFP, "EditPosDone\n");
14300 DisplayMessage("", "");
14301 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14302 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14303 gameMode = EditGame;
14305 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14306 ClearHighlights(); /* [AS] */
14309 /* Pause for `ms' milliseconds */
14310 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14312 TimeDelay (long ms)
14319 } while (SubtractTimeMarks(&m2, &m1) < ms);
14322 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14324 SendMultiLineToICS (char *buf)
14326 char temp[MSG_SIZ+1], *p;
14333 strncpy(temp, buf, len);
14338 if (*p == '\n' || *p == '\r')
14343 strcat(temp, "\n");
14345 SendToPlayer(temp, strlen(temp));
14349 SetWhiteToPlayEvent ()
14351 if (gameMode == EditPosition) {
14352 blackPlaysFirst = FALSE;
14353 DisplayBothClocks(); /* works because currentMove is 0 */
14354 } else if (gameMode == IcsExamining) {
14355 SendToICS(ics_prefix);
14356 SendToICS("tomove white\n");
14361 SetBlackToPlayEvent ()
14363 if (gameMode == EditPosition) {
14364 blackPlaysFirst = TRUE;
14365 currentMove = 1; /* kludge */
14366 DisplayBothClocks();
14368 } else if (gameMode == IcsExamining) {
14369 SendToICS(ics_prefix);
14370 SendToICS("tomove black\n");
14375 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14378 ChessSquare piece = boards[0][y][x];
14380 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14382 switch (selection) {
14384 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14385 SendToICS(ics_prefix);
14386 SendToICS("bsetup clear\n");
14387 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14388 SendToICS(ics_prefix);
14389 SendToICS("clearboard\n");
14391 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14392 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14393 for (y = 0; y < BOARD_HEIGHT; y++) {
14394 if (gameMode == IcsExamining) {
14395 if (boards[currentMove][y][x] != EmptySquare) {
14396 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14401 boards[0][y][x] = p;
14406 if (gameMode == EditPosition) {
14407 DrawPosition(FALSE, boards[0]);
14412 SetWhiteToPlayEvent();
14416 SetBlackToPlayEvent();
14420 if (gameMode == IcsExamining) {
14421 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14422 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14425 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14426 if(x == BOARD_LEFT-2) {
14427 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14428 boards[0][y][1] = 0;
14430 if(x == BOARD_RGHT+1) {
14431 if(y >= gameInfo.holdingsSize) break;
14432 boards[0][y][BOARD_WIDTH-2] = 0;
14435 boards[0][y][x] = EmptySquare;
14436 DrawPosition(FALSE, boards[0]);
14441 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14442 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14443 selection = (ChessSquare) (PROMOTED piece);
14444 } else if(piece == EmptySquare) selection = WhiteSilver;
14445 else selection = (ChessSquare)((int)piece - 1);
14449 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14450 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14451 selection = (ChessSquare) (DEMOTED piece);
14452 } else if(piece == EmptySquare) selection = BlackSilver;
14453 else selection = (ChessSquare)((int)piece + 1);
14458 if(gameInfo.variant == VariantShatranj ||
14459 gameInfo.variant == VariantXiangqi ||
14460 gameInfo.variant == VariantCourier ||
14461 gameInfo.variant == VariantMakruk )
14462 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14467 if(gameInfo.variant == VariantXiangqi)
14468 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14469 if(gameInfo.variant == VariantKnightmate)
14470 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14473 if (gameMode == IcsExamining) {
14474 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14475 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14476 PieceToChar(selection), AAA + x, ONE + y);
14479 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14481 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14482 n = PieceToNumber(selection - BlackPawn);
14483 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14484 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14485 boards[0][BOARD_HEIGHT-1-n][1]++;
14487 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14488 n = PieceToNumber(selection);
14489 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14490 boards[0][n][BOARD_WIDTH-1] = selection;
14491 boards[0][n][BOARD_WIDTH-2]++;
14494 boards[0][y][x] = selection;
14495 DrawPosition(TRUE, boards[0]);
14497 fromX = fromY = -1;
14505 DropMenuEvent (ChessSquare selection, int x, int y)
14507 ChessMove moveType;
14509 switch (gameMode) {
14510 case IcsPlayingWhite:
14511 case MachinePlaysBlack:
14512 if (!WhiteOnMove(currentMove)) {
14513 DisplayMoveError(_("It is Black's turn"));
14516 moveType = WhiteDrop;
14518 case IcsPlayingBlack:
14519 case MachinePlaysWhite:
14520 if (WhiteOnMove(currentMove)) {
14521 DisplayMoveError(_("It is White's turn"));
14524 moveType = BlackDrop;
14527 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14533 if (moveType == BlackDrop && selection < BlackPawn) {
14534 selection = (ChessSquare) ((int) selection
14535 + (int) BlackPawn - (int) WhitePawn);
14537 if (boards[currentMove][y][x] != EmptySquare) {
14538 DisplayMoveError(_("That square is occupied"));
14542 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14548 /* Accept a pending offer of any kind from opponent */
14550 if (appData.icsActive) {
14551 SendToICS(ics_prefix);
14552 SendToICS("accept\n");
14553 } else if (cmailMsgLoaded) {
14554 if (currentMove == cmailOldMove &&
14555 commentList[cmailOldMove] != NULL &&
14556 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14557 "Black offers a draw" : "White offers a draw")) {
14559 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14560 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14562 DisplayError(_("There is no pending offer on this move"), 0);
14563 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14566 /* Not used for offers from chess program */
14573 /* Decline a pending offer of any kind from opponent */
14575 if (appData.icsActive) {
14576 SendToICS(ics_prefix);
14577 SendToICS("decline\n");
14578 } else if (cmailMsgLoaded) {
14579 if (currentMove == cmailOldMove &&
14580 commentList[cmailOldMove] != NULL &&
14581 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14582 "Black offers a draw" : "White offers a draw")) {
14584 AppendComment(cmailOldMove, "Draw declined", TRUE);
14585 DisplayComment(cmailOldMove - 1, "Draw declined");
14588 DisplayError(_("There is no pending offer on this move"), 0);
14591 /* Not used for offers from chess program */
14598 /* Issue ICS rematch command */
14599 if (appData.icsActive) {
14600 SendToICS(ics_prefix);
14601 SendToICS("rematch\n");
14608 /* Call your opponent's flag (claim a win on time) */
14609 if (appData.icsActive) {
14610 SendToICS(ics_prefix);
14611 SendToICS("flag\n");
14613 switch (gameMode) {
14616 case MachinePlaysWhite:
14619 GameEnds(GameIsDrawn, "Both players ran out of time",
14622 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14624 DisplayError(_("Your opponent is not out of time"), 0);
14627 case MachinePlaysBlack:
14630 GameEnds(GameIsDrawn, "Both players ran out of time",
14633 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14635 DisplayError(_("Your opponent is not out of time"), 0);
14643 ClockClick (int which)
14644 { // [HGM] code moved to back-end from winboard.c
14645 if(which) { // black clock
14646 if (gameMode == EditPosition || gameMode == IcsExamining) {
14647 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14648 SetBlackToPlayEvent();
14649 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14650 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14651 } else if (shiftKey) {
14652 AdjustClock(which, -1);
14653 } else if (gameMode == IcsPlayingWhite ||
14654 gameMode == MachinePlaysBlack) {
14657 } else { // white clock
14658 if (gameMode == EditPosition || gameMode == IcsExamining) {
14659 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14660 SetWhiteToPlayEvent();
14661 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14662 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14663 } else if (shiftKey) {
14664 AdjustClock(which, -1);
14665 } else if (gameMode == IcsPlayingBlack ||
14666 gameMode == MachinePlaysWhite) {
14675 /* Offer draw or accept pending draw offer from opponent */
14677 if (appData.icsActive) {
14678 /* Note: tournament rules require draw offers to be
14679 made after you make your move but before you punch
14680 your clock. Currently ICS doesn't let you do that;
14681 instead, you immediately punch your clock after making
14682 a move, but you can offer a draw at any time. */
14684 SendToICS(ics_prefix);
14685 SendToICS("draw\n");
14686 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14687 } else if (cmailMsgLoaded) {
14688 if (currentMove == cmailOldMove &&
14689 commentList[cmailOldMove] != NULL &&
14690 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14691 "Black offers a draw" : "White offers a draw")) {
14692 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14693 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14694 } else if (currentMove == cmailOldMove + 1) {
14695 char *offer = WhiteOnMove(cmailOldMove) ?
14696 "White offers a draw" : "Black offers a draw";
14697 AppendComment(currentMove, offer, TRUE);
14698 DisplayComment(currentMove - 1, offer);
14699 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14701 DisplayError(_("You must make your move before offering a draw"), 0);
14702 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14704 } else if (first.offeredDraw) {
14705 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14707 if (first.sendDrawOffers) {
14708 SendToProgram("draw\n", &first);
14709 userOfferedDraw = TRUE;
14717 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14719 if (appData.icsActive) {
14720 SendToICS(ics_prefix);
14721 SendToICS("adjourn\n");
14723 /* Currently GNU Chess doesn't offer or accept Adjourns */
14731 /* Offer Abort or accept pending Abort offer from opponent */
14733 if (appData.icsActive) {
14734 SendToICS(ics_prefix);
14735 SendToICS("abort\n");
14737 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14744 /* Resign. You can do this even if it's not your turn. */
14746 if (appData.icsActive) {
14747 SendToICS(ics_prefix);
14748 SendToICS("resign\n");
14750 switch (gameMode) {
14751 case MachinePlaysWhite:
14752 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14754 case MachinePlaysBlack:
14755 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14758 if (cmailMsgLoaded) {
14760 if (WhiteOnMove(cmailOldMove)) {
14761 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14763 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14765 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14776 StopObservingEvent ()
14778 /* Stop observing current games */
14779 SendToICS(ics_prefix);
14780 SendToICS("unobserve\n");
14784 StopExaminingEvent ()
14786 /* Stop observing current game */
14787 SendToICS(ics_prefix);
14788 SendToICS("unexamine\n");
14792 ForwardInner (int target)
14794 int limit; int oldSeekGraphUp = seekGraphUp;
14796 if (appData.debugMode)
14797 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14798 target, currentMove, forwardMostMove);
14800 if (gameMode == EditPosition)
14803 seekGraphUp = FALSE;
14804 MarkTargetSquares(1);
14806 if (gameMode == PlayFromGameFile && !pausing)
14809 if (gameMode == IcsExamining && pausing)
14810 limit = pauseExamForwardMostMove;
14812 limit = forwardMostMove;
14814 if (target > limit) target = limit;
14816 if (target > 0 && moveList[target - 1][0]) {
14817 int fromX, fromY, toX, toY;
14818 toX = moveList[target - 1][2] - AAA;
14819 toY = moveList[target - 1][3] - ONE;
14820 if (moveList[target - 1][1] == '@') {
14821 if (appData.highlightLastMove) {
14822 SetHighlights(-1, -1, toX, toY);
14825 fromX = moveList[target - 1][0] - AAA;
14826 fromY = moveList[target - 1][1] - ONE;
14827 if (target == currentMove + 1) {
14828 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14830 if (appData.highlightLastMove) {
14831 SetHighlights(fromX, fromY, toX, toY);
14835 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14836 gameMode == Training || gameMode == PlayFromGameFile ||
14837 gameMode == AnalyzeFile) {
14838 while (currentMove < target) {
14839 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14840 SendMoveToProgram(currentMove++, &first);
14843 currentMove = target;
14846 if (gameMode == EditGame || gameMode == EndOfGame) {
14847 whiteTimeRemaining = timeRemaining[0][currentMove];
14848 blackTimeRemaining = timeRemaining[1][currentMove];
14850 DisplayBothClocks();
14851 DisplayMove(currentMove - 1);
14852 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14853 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14854 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14855 DisplayComment(currentMove - 1, commentList[currentMove]);
14857 ClearMap(); // [HGM] exclude: invalidate map
14864 if (gameMode == IcsExamining && !pausing) {
14865 SendToICS(ics_prefix);
14866 SendToICS("forward\n");
14868 ForwardInner(currentMove + 1);
14875 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14876 /* to optimze, we temporarily turn off analysis mode while we feed
14877 * the remaining moves to the engine. Otherwise we get analysis output
14880 if (first.analysisSupport) {
14881 SendToProgram("exit\nforce\n", &first);
14882 first.analyzing = FALSE;
14886 if (gameMode == IcsExamining && !pausing) {
14887 SendToICS(ics_prefix);
14888 SendToICS("forward 999999\n");
14890 ForwardInner(forwardMostMove);
14893 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14894 /* we have fed all the moves, so reactivate analysis mode */
14895 SendToProgram("analyze\n", &first);
14896 first.analyzing = TRUE;
14897 /*first.maybeThinking = TRUE;*/
14898 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14903 BackwardInner (int target)
14905 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14907 if (appData.debugMode)
14908 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14909 target, currentMove, forwardMostMove);
14911 if (gameMode == EditPosition) return;
14912 seekGraphUp = FALSE;
14913 MarkTargetSquares(1);
14914 if (currentMove <= backwardMostMove) {
14916 DrawPosition(full_redraw, boards[currentMove]);
14919 if (gameMode == PlayFromGameFile && !pausing)
14922 if (moveList[target][0]) {
14923 int fromX, fromY, toX, toY;
14924 toX = moveList[target][2] - AAA;
14925 toY = moveList[target][3] - ONE;
14926 if (moveList[target][1] == '@') {
14927 if (appData.highlightLastMove) {
14928 SetHighlights(-1, -1, toX, toY);
14931 fromX = moveList[target][0] - AAA;
14932 fromY = moveList[target][1] - ONE;
14933 if (target == currentMove - 1) {
14934 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14936 if (appData.highlightLastMove) {
14937 SetHighlights(fromX, fromY, toX, toY);
14941 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14942 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14943 while (currentMove > target) {
14944 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14945 // null move cannot be undone. Reload program with move history before it.
14947 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14948 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14950 SendBoard(&first, i);
14951 if(second.analyzing) SendBoard(&second, i);
14952 for(currentMove=i; currentMove<target; currentMove++) {
14953 SendMoveToProgram(currentMove, &first);
14954 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14958 SendToBoth("undo\n");
14962 currentMove = target;
14965 if (gameMode == EditGame || gameMode == EndOfGame) {
14966 whiteTimeRemaining = timeRemaining[0][currentMove];
14967 blackTimeRemaining = timeRemaining[1][currentMove];
14969 DisplayBothClocks();
14970 DisplayMove(currentMove - 1);
14971 DrawPosition(full_redraw, boards[currentMove]);
14972 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14973 // [HGM] PV info: routine tests if comment empty
14974 DisplayComment(currentMove - 1, commentList[currentMove]);
14975 ClearMap(); // [HGM] exclude: invalidate map
14981 if (gameMode == IcsExamining && !pausing) {
14982 SendToICS(ics_prefix);
14983 SendToICS("backward\n");
14985 BackwardInner(currentMove - 1);
14992 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14993 /* to optimize, we temporarily turn off analysis mode while we undo
14994 * all the moves. Otherwise we get analysis output after each undo.
14996 if (first.analysisSupport) {
14997 SendToProgram("exit\nforce\n", &first);
14998 first.analyzing = FALSE;
15002 if (gameMode == IcsExamining && !pausing) {
15003 SendToICS(ics_prefix);
15004 SendToICS("backward 999999\n");
15006 BackwardInner(backwardMostMove);
15009 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15010 /* we have fed all the moves, so reactivate analysis mode */
15011 SendToProgram("analyze\n", &first);
15012 first.analyzing = TRUE;
15013 /*first.maybeThinking = TRUE;*/
15014 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15021 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15022 if (to >= forwardMostMove) to = forwardMostMove;
15023 if (to <= backwardMostMove) to = backwardMostMove;
15024 if (to < currentMove) {
15032 RevertEvent (Boolean annotate)
15034 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15037 if (gameMode != IcsExamining) {
15038 DisplayError(_("You are not examining a game"), 0);
15042 DisplayError(_("You can't revert while pausing"), 0);
15045 SendToICS(ics_prefix);
15046 SendToICS("revert\n");
15050 RetractMoveEvent ()
15052 switch (gameMode) {
15053 case MachinePlaysWhite:
15054 case MachinePlaysBlack:
15055 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15056 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15059 if (forwardMostMove < 2) return;
15060 currentMove = forwardMostMove = forwardMostMove - 2;
15061 whiteTimeRemaining = timeRemaining[0][currentMove];
15062 blackTimeRemaining = timeRemaining[1][currentMove];
15063 DisplayBothClocks();
15064 DisplayMove(currentMove - 1);
15065 ClearHighlights();/*!! could figure this out*/
15066 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15067 SendToProgram("remove\n", &first);
15068 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15071 case BeginningOfGame:
15075 case IcsPlayingWhite:
15076 case IcsPlayingBlack:
15077 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15078 SendToICS(ics_prefix);
15079 SendToICS("takeback 2\n");
15081 SendToICS(ics_prefix);
15082 SendToICS("takeback 1\n");
15091 ChessProgramState *cps;
15093 switch (gameMode) {
15094 case MachinePlaysWhite:
15095 if (!WhiteOnMove(forwardMostMove)) {
15096 DisplayError(_("It is your turn"), 0);
15101 case MachinePlaysBlack:
15102 if (WhiteOnMove(forwardMostMove)) {
15103 DisplayError(_("It is your turn"), 0);
15108 case TwoMachinesPlay:
15109 if (WhiteOnMove(forwardMostMove) ==
15110 (first.twoMachinesColor[0] == 'w')) {
15116 case BeginningOfGame:
15120 SendToProgram("?\n", cps);
15124 TruncateGameEvent ()
15127 if (gameMode != EditGame) return;
15134 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15135 if (forwardMostMove > currentMove) {
15136 if (gameInfo.resultDetails != NULL) {
15137 free(gameInfo.resultDetails);
15138 gameInfo.resultDetails = NULL;
15139 gameInfo.result = GameUnfinished;
15141 forwardMostMove = currentMove;
15142 HistorySet(parseList, backwardMostMove, forwardMostMove,
15150 if (appData.noChessProgram) return;
15151 switch (gameMode) {
15152 case MachinePlaysWhite:
15153 if (WhiteOnMove(forwardMostMove)) {
15154 DisplayError(_("Wait until your turn"), 0);
15158 case BeginningOfGame:
15159 case MachinePlaysBlack:
15160 if (!WhiteOnMove(forwardMostMove)) {
15161 DisplayError(_("Wait until your turn"), 0);
15166 DisplayError(_("No hint available"), 0);
15169 SendToProgram("hint\n", &first);
15170 hintRequested = TRUE;
15176 ListGame * lg = (ListGame *) gameList.head;
15179 static int secondTime = FALSE;
15181 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15182 DisplayError(_("Game list not loaded or empty"), 0);
15186 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15189 DisplayNote(_("Book file exists! Try again for overwrite."));
15193 creatingBook = TRUE;
15194 secondTime = FALSE;
15196 /* Get list size */
15197 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15198 LoadGame(f, nItem, "", TRUE);
15199 AddGameToBook(TRUE);
15200 lg = (ListGame *) lg->node.succ;
15203 creatingBook = FALSE;
15210 if (appData.noChessProgram) return;
15211 switch (gameMode) {
15212 case MachinePlaysWhite:
15213 if (WhiteOnMove(forwardMostMove)) {
15214 DisplayError(_("Wait until your turn"), 0);
15218 case BeginningOfGame:
15219 case MachinePlaysBlack:
15220 if (!WhiteOnMove(forwardMostMove)) {
15221 DisplayError(_("Wait until your turn"), 0);
15226 EditPositionDone(TRUE);
15228 case TwoMachinesPlay:
15233 SendToProgram("bk\n", &first);
15234 bookOutput[0] = NULLCHAR;
15235 bookRequested = TRUE;
15241 char *tags = PGNTags(&gameInfo);
15242 TagsPopUp(tags, CmailMsg());
15246 /* end button procedures */
15249 PrintPosition (FILE *fp, int move)
15253 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15254 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15255 char c = PieceToChar(boards[move][i][j]);
15256 fputc(c == 'x' ? '.' : c, fp);
15257 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15260 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15261 fprintf(fp, "white to play\n");
15263 fprintf(fp, "black to play\n");
15267 PrintOpponents (FILE *fp)
15269 if (gameInfo.white != NULL) {
15270 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15276 /* Find last component of program's own name, using some heuristics */
15278 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15281 int local = (strcmp(host, "localhost") == 0);
15282 while (!local && (p = strchr(prog, ';')) != NULL) {
15284 while (*p == ' ') p++;
15287 if (*prog == '"' || *prog == '\'') {
15288 q = strchr(prog + 1, *prog);
15290 q = strchr(prog, ' ');
15292 if (q == NULL) q = prog + strlen(prog);
15294 while (p >= prog && *p != '/' && *p != '\\') p--;
15296 if(p == prog && *p == '"') p++;
15298 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15299 memcpy(buf, p, q - p);
15300 buf[q - p] = NULLCHAR;
15308 TimeControlTagValue ()
15311 if (!appData.clockMode) {
15312 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15313 } else if (movesPerSession > 0) {
15314 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15315 } else if (timeIncrement == 0) {
15316 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15318 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15320 return StrSave(buf);
15326 /* This routine is used only for certain modes */
15327 VariantClass v = gameInfo.variant;
15328 ChessMove r = GameUnfinished;
15331 if(keepInfo) return;
15333 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15334 r = gameInfo.result;
15335 p = gameInfo.resultDetails;
15336 gameInfo.resultDetails = NULL;
15338 ClearGameInfo(&gameInfo);
15339 gameInfo.variant = v;
15341 switch (gameMode) {
15342 case MachinePlaysWhite:
15343 gameInfo.event = StrSave( appData.pgnEventHeader );
15344 gameInfo.site = StrSave(HostName());
15345 gameInfo.date = PGNDate();
15346 gameInfo.round = StrSave("-");
15347 gameInfo.white = StrSave(first.tidy);
15348 gameInfo.black = StrSave(UserName());
15349 gameInfo.timeControl = TimeControlTagValue();
15352 case MachinePlaysBlack:
15353 gameInfo.event = StrSave( appData.pgnEventHeader );
15354 gameInfo.site = StrSave(HostName());
15355 gameInfo.date = PGNDate();
15356 gameInfo.round = StrSave("-");
15357 gameInfo.white = StrSave(UserName());
15358 gameInfo.black = StrSave(first.tidy);
15359 gameInfo.timeControl = TimeControlTagValue();
15362 case TwoMachinesPlay:
15363 gameInfo.event = StrSave( appData.pgnEventHeader );
15364 gameInfo.site = StrSave(HostName());
15365 gameInfo.date = PGNDate();
15368 snprintf(buf, MSG_SIZ, "%d", roundNr);
15369 gameInfo.round = StrSave(buf);
15371 gameInfo.round = StrSave("-");
15373 if (first.twoMachinesColor[0] == 'w') {
15374 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15375 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15377 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15378 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15380 gameInfo.timeControl = TimeControlTagValue();
15384 gameInfo.event = StrSave("Edited game");
15385 gameInfo.site = StrSave(HostName());
15386 gameInfo.date = PGNDate();
15387 gameInfo.round = StrSave("-");
15388 gameInfo.white = StrSave("-");
15389 gameInfo.black = StrSave("-");
15390 gameInfo.result = r;
15391 gameInfo.resultDetails = p;
15395 gameInfo.event = StrSave("Edited position");
15396 gameInfo.site = StrSave(HostName());
15397 gameInfo.date = PGNDate();
15398 gameInfo.round = StrSave("-");
15399 gameInfo.white = StrSave("-");
15400 gameInfo.black = StrSave("-");
15403 case IcsPlayingWhite:
15404 case IcsPlayingBlack:
15409 case PlayFromGameFile:
15410 gameInfo.event = StrSave("Game from non-PGN file");
15411 gameInfo.site = StrSave(HostName());
15412 gameInfo.date = PGNDate();
15413 gameInfo.round = StrSave("-");
15414 gameInfo.white = StrSave("?");
15415 gameInfo.black = StrSave("?");
15424 ReplaceComment (int index, char *text)
15430 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15431 pvInfoList[index-1].depth == len &&
15432 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15433 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15434 while (*text == '\n') text++;
15435 len = strlen(text);
15436 while (len > 0 && text[len - 1] == '\n') len--;
15438 if (commentList[index] != NULL)
15439 free(commentList[index]);
15442 commentList[index] = NULL;
15445 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15446 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15447 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15448 commentList[index] = (char *) malloc(len + 2);
15449 strncpy(commentList[index], text, len);
15450 commentList[index][len] = '\n';
15451 commentList[index][len + 1] = NULLCHAR;
15453 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15455 commentList[index] = (char *) malloc(len + 7);
15456 safeStrCpy(commentList[index], "{\n", 3);
15457 safeStrCpy(commentList[index]+2, text, len+1);
15458 commentList[index][len+2] = NULLCHAR;
15459 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15460 strcat(commentList[index], "\n}\n");
15465 CrushCRs (char *text)
15473 if (ch == '\r') continue;
15475 } while (ch != '\0');
15479 AppendComment (int index, char *text, Boolean addBraces)
15480 /* addBraces tells if we should add {} */
15485 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15486 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15489 while (*text == '\n') text++;
15490 len = strlen(text);
15491 while (len > 0 && text[len - 1] == '\n') len--;
15492 text[len] = NULLCHAR;
15494 if (len == 0) return;
15496 if (commentList[index] != NULL) {
15497 Boolean addClosingBrace = addBraces;
15498 old = commentList[index];
15499 oldlen = strlen(old);
15500 while(commentList[index][oldlen-1] == '\n')
15501 commentList[index][--oldlen] = NULLCHAR;
15502 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15503 safeStrCpy(commentList[index], old, oldlen + len + 6);
15505 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15506 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15507 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15508 while (*text == '\n') { text++; len--; }
15509 commentList[index][--oldlen] = NULLCHAR;
15511 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15512 else strcat(commentList[index], "\n");
15513 strcat(commentList[index], text);
15514 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15515 else strcat(commentList[index], "\n");
15517 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15519 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15520 else commentList[index][0] = NULLCHAR;
15521 strcat(commentList[index], text);
15522 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15523 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15528 FindStr (char * text, char * sub_text)
15530 char * result = strstr( text, sub_text );
15532 if( result != NULL ) {
15533 result += strlen( sub_text );
15539 /* [AS] Try to extract PV info from PGN comment */
15540 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15542 GetInfoFromComment (int index, char * text)
15544 char * sep = text, *p;
15546 if( text != NULL && index > 0 ) {
15549 int time = -1, sec = 0, deci;
15550 char * s_eval = FindStr( text, "[%eval " );
15551 char * s_emt = FindStr( text, "[%emt " );
15553 if( s_eval != NULL || s_emt != NULL ) {
15557 if( s_eval != NULL ) {
15558 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15562 if( delim != ']' ) {
15567 if( s_emt != NULL ) {
15572 /* We expect something like: [+|-]nnn.nn/dd */
15575 if(*text != '{') return text; // [HGM] braces: must be normal comment
15577 sep = strchr( text, '/' );
15578 if( sep == NULL || sep < (text+4) ) {
15583 if(p[1] == '(') { // comment starts with PV
15584 p = strchr(p, ')'); // locate end of PV
15585 if(p == NULL || sep < p+5) return text;
15586 // at this point we have something like "{(.*) +0.23/6 ..."
15587 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15588 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15589 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15591 time = -1; sec = -1; deci = -1;
15592 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15593 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15594 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15595 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15599 if( score_lo < 0 || score_lo >= 100 ) {
15603 if(sec >= 0) time = 600*time + 10*sec; else
15604 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15606 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15608 /* [HGM] PV time: now locate end of PV info */
15609 while( *++sep >= '0' && *sep <= '9'); // strip depth
15611 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15613 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15615 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15616 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15627 pvInfoList[index-1].depth = depth;
15628 pvInfoList[index-1].score = score;
15629 pvInfoList[index-1].time = 10*time; // centi-sec
15630 if(*sep == '}') *sep = 0; else *--sep = '{';
15631 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15637 SendToProgram (char *message, ChessProgramState *cps)
15639 int count, outCount, error;
15642 if (cps->pr == NoProc) return;
15645 if (appData.debugMode) {
15648 fprintf(debugFP, "%ld >%-6s: %s",
15649 SubtractTimeMarks(&now, &programStartTime),
15650 cps->which, message);
15652 fprintf(serverFP, "%ld >%-6s: %s",
15653 SubtractTimeMarks(&now, &programStartTime),
15654 cps->which, message), fflush(serverFP);
15657 count = strlen(message);
15658 outCount = OutputToProcess(cps->pr, message, count, &error);
15659 if (outCount < count && !exiting
15660 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15661 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15662 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15663 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15664 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15665 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15666 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15667 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15669 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15670 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15671 gameInfo.result = res;
15673 gameInfo.resultDetails = StrSave(buf);
15675 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15676 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15681 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15685 ChessProgramState *cps = (ChessProgramState *)closure;
15687 if (isr != cps->isr) return; /* Killed intentionally */
15690 RemoveInputSource(cps->isr);
15691 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15692 _(cps->which), cps->program);
15693 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15694 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15695 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15696 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15697 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15698 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15700 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15701 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15702 gameInfo.result = res;
15704 gameInfo.resultDetails = StrSave(buf);
15706 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15707 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15709 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15710 _(cps->which), cps->program);
15711 RemoveInputSource(cps->isr);
15713 /* [AS] Program is misbehaving badly... kill it */
15714 if( count == -2 ) {
15715 DestroyChildProcess( cps->pr, 9 );
15719 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15724 if ((end_str = strchr(message, '\r')) != NULL)
15725 *end_str = NULLCHAR;
15726 if ((end_str = strchr(message, '\n')) != NULL)
15727 *end_str = NULLCHAR;
15729 if (appData.debugMode) {
15730 TimeMark now; int print = 1;
15731 char *quote = ""; char c; int i;
15733 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15734 char start = message[0];
15735 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15736 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15737 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15738 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15739 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15740 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15741 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15742 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15743 sscanf(message, "hint: %c", &c)!=1 &&
15744 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15745 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15746 print = (appData.engineComments >= 2);
15748 message[0] = start; // restore original message
15752 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15753 SubtractTimeMarks(&now, &programStartTime), cps->which,
15757 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15758 SubtractTimeMarks(&now, &programStartTime), cps->which,
15760 message), fflush(serverFP);
15764 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15765 if (appData.icsEngineAnalyze) {
15766 if (strstr(message, "whisper") != NULL ||
15767 strstr(message, "kibitz") != NULL ||
15768 strstr(message, "tellics") != NULL) return;
15771 HandleMachineMove(message, cps);
15776 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15781 if( timeControl_2 > 0 ) {
15782 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15783 tc = timeControl_2;
15786 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15787 inc /= cps->timeOdds;
15788 st /= cps->timeOdds;
15790 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15793 /* Set exact time per move, normally using st command */
15794 if (cps->stKludge) {
15795 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15797 if (seconds == 0) {
15798 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15800 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15803 snprintf(buf, MSG_SIZ, "st %d\n", st);
15806 /* Set conventional or incremental time control, using level command */
15807 if (seconds == 0) {
15808 /* Note old gnuchess bug -- minutes:seconds used to not work.
15809 Fixed in later versions, but still avoid :seconds
15810 when seconds is 0. */
15811 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15813 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15814 seconds, inc/1000.);
15817 SendToProgram(buf, cps);
15819 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15820 /* Orthogonally, limit search to given depth */
15822 if (cps->sdKludge) {
15823 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15825 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15827 SendToProgram(buf, cps);
15830 if(cps->nps >= 0) { /* [HGM] nps */
15831 if(cps->supportsNPS == FALSE)
15832 cps->nps = -1; // don't use if engine explicitly says not supported!
15834 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15835 SendToProgram(buf, cps);
15840 ChessProgramState *
15842 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15844 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15845 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15851 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15853 char message[MSG_SIZ];
15856 /* Note: this routine must be called when the clocks are stopped
15857 or when they have *just* been set or switched; otherwise
15858 it will be off by the time since the current tick started.
15860 if (machineWhite) {
15861 time = whiteTimeRemaining / 10;
15862 otime = blackTimeRemaining / 10;
15864 time = blackTimeRemaining / 10;
15865 otime = whiteTimeRemaining / 10;
15867 /* [HGM] translate opponent's time by time-odds factor */
15868 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15870 if (time <= 0) time = 1;
15871 if (otime <= 0) otime = 1;
15873 snprintf(message, MSG_SIZ, "time %ld\n", time);
15874 SendToProgram(message, cps);
15876 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15877 SendToProgram(message, cps);
15881 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15884 int len = strlen(name);
15887 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15889 sscanf(*p, "%d", &val);
15891 while (**p && **p != ' ')
15893 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15894 SendToProgram(buf, cps);
15901 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15904 int len = strlen(name);
15905 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15907 sscanf(*p, "%d", loc);
15908 while (**p && **p != ' ') (*p)++;
15909 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15910 SendToProgram(buf, cps);
15917 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15920 int len = strlen(name);
15921 if (strncmp((*p), name, len) == 0
15922 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15924 sscanf(*p, "%[^\"]", loc);
15925 while (**p && **p != '\"') (*p)++;
15926 if (**p == '\"') (*p)++;
15927 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15928 SendToProgram(buf, cps);
15935 ParseOption (Option *opt, ChessProgramState *cps)
15936 // [HGM] options: process the string that defines an engine option, and determine
15937 // name, type, default value, and allowed value range
15939 char *p, *q, buf[MSG_SIZ];
15940 int n, min = (-1)<<31, max = 1<<31, def;
15942 if(p = strstr(opt->name, " -spin ")) {
15943 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15944 if(max < min) max = min; // enforce consistency
15945 if(def < min) def = min;
15946 if(def > max) def = max;
15951 } else if((p = strstr(opt->name, " -slider "))) {
15952 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15953 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15954 if(max < min) max = min; // enforce consistency
15955 if(def < min) def = min;
15956 if(def > max) def = max;
15960 opt->type = Spin; // Slider;
15961 } else if((p = strstr(opt->name, " -string "))) {
15962 opt->textValue = p+9;
15963 opt->type = TextBox;
15964 } else if((p = strstr(opt->name, " -file "))) {
15965 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15966 opt->textValue = p+7;
15967 opt->type = FileName; // FileName;
15968 } else if((p = strstr(opt->name, " -path "))) {
15969 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15970 opt->textValue = p+7;
15971 opt->type = PathName; // PathName;
15972 } else if(p = strstr(opt->name, " -check ")) {
15973 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15974 opt->value = (def != 0);
15975 opt->type = CheckBox;
15976 } else if(p = strstr(opt->name, " -combo ")) {
15977 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15978 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15979 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15980 opt->value = n = 0;
15981 while(q = StrStr(q, " /// ")) {
15982 n++; *q = 0; // count choices, and null-terminate each of them
15984 if(*q == '*') { // remember default, which is marked with * prefix
15988 cps->comboList[cps->comboCnt++] = q;
15990 cps->comboList[cps->comboCnt++] = NULL;
15992 opt->type = ComboBox;
15993 } else if(p = strstr(opt->name, " -button")) {
15994 opt->type = Button;
15995 } else if(p = strstr(opt->name, " -save")) {
15996 opt->type = SaveButton;
15997 } else return FALSE;
15998 *p = 0; // terminate option name
15999 // now look if the command-line options define a setting for this engine option.
16000 if(cps->optionSettings && cps->optionSettings[0])
16001 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16002 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16003 snprintf(buf, MSG_SIZ, "option %s", p);
16004 if(p = strstr(buf, ",")) *p = 0;
16005 if(q = strchr(buf, '=')) switch(opt->type) {
16007 for(n=0; n<opt->max; n++)
16008 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16011 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16015 opt->value = atoi(q+1);
16020 SendToProgram(buf, cps);
16026 FeatureDone (ChessProgramState *cps, int val)
16028 DelayedEventCallback cb = GetDelayedEvent();
16029 if ((cb == InitBackEnd3 && cps == &first) ||
16030 (cb == SettingsMenuIfReady && cps == &second) ||
16031 (cb == LoadEngine) ||
16032 (cb == TwoMachinesEventIfReady)) {
16033 CancelDelayedEvent();
16034 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16036 cps->initDone = val;
16037 if(val) cps->reload = FALSE;
16040 /* Parse feature command from engine */
16042 ParseFeatures (char *args, ChessProgramState *cps)
16050 while (*p == ' ') p++;
16051 if (*p == NULLCHAR) return;
16053 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16054 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16055 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16056 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16057 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16058 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16059 if (BoolFeature(&p, "reuse", &val, cps)) {
16060 /* Engine can disable reuse, but can't enable it if user said no */
16061 if (!val) cps->reuse = FALSE;
16064 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16065 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16066 if (gameMode == TwoMachinesPlay) {
16067 DisplayTwoMachinesTitle();
16073 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16074 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16075 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16076 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16077 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16078 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16079 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16080 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16081 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16082 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16083 if (IntFeature(&p, "done", &val, cps)) {
16084 FeatureDone(cps, val);
16087 /* Added by Tord: */
16088 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16089 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16090 /* End of additions by Tord */
16092 /* [HGM] added features: */
16093 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16094 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16095 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16096 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16097 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16098 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16099 if (StringFeature(&p, "option", buf, cps)) {
16100 if(cps->reload) continue; // we are reloading because of xreuse
16101 FREE(cps->option[cps->nrOptions].name);
16102 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16103 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16104 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16105 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16106 SendToProgram(buf, cps);
16109 if(cps->nrOptions >= MAX_OPTIONS) {
16111 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16112 DisplayError(buf, 0);
16116 /* End of additions by HGM */
16118 /* unknown feature: complain and skip */
16120 while (*q && *q != '=') q++;
16121 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16122 SendToProgram(buf, cps);
16128 while (*p && *p != '\"') p++;
16129 if (*p == '\"') p++;
16131 while (*p && *p != ' ') p++;
16139 PeriodicUpdatesEvent (int newState)
16141 if (newState == appData.periodicUpdates)
16144 appData.periodicUpdates=newState;
16146 /* Display type changes, so update it now */
16147 // DisplayAnalysis();
16149 /* Get the ball rolling again... */
16151 AnalysisPeriodicEvent(1);
16152 StartAnalysisClock();
16157 PonderNextMoveEvent (int newState)
16159 if (newState == appData.ponderNextMove) return;
16160 if (gameMode == EditPosition) EditPositionDone(TRUE);
16162 SendToProgram("hard\n", &first);
16163 if (gameMode == TwoMachinesPlay) {
16164 SendToProgram("hard\n", &second);
16167 SendToProgram("easy\n", &first);
16168 thinkOutput[0] = NULLCHAR;
16169 if (gameMode == TwoMachinesPlay) {
16170 SendToProgram("easy\n", &second);
16173 appData.ponderNextMove = newState;
16177 NewSettingEvent (int option, int *feature, char *command, int value)
16181 if (gameMode == EditPosition) EditPositionDone(TRUE);
16182 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16183 if(feature == NULL || *feature) SendToProgram(buf, &first);
16184 if (gameMode == TwoMachinesPlay) {
16185 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16190 ShowThinkingEvent ()
16191 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16193 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16194 int newState = appData.showThinking
16195 // [HGM] thinking: other features now need thinking output as well
16196 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16198 if (oldState == newState) return;
16199 oldState = newState;
16200 if (gameMode == EditPosition) EditPositionDone(TRUE);
16202 SendToProgram("post\n", &first);
16203 if (gameMode == TwoMachinesPlay) {
16204 SendToProgram("post\n", &second);
16207 SendToProgram("nopost\n", &first);
16208 thinkOutput[0] = NULLCHAR;
16209 if (gameMode == TwoMachinesPlay) {
16210 SendToProgram("nopost\n", &second);
16213 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16217 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16219 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16220 if (pr == NoProc) return;
16221 AskQuestion(title, question, replyPrefix, pr);
16225 TypeInEvent (char firstChar)
16227 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16228 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16229 gameMode == AnalyzeMode || gameMode == EditGame ||
16230 gameMode == EditPosition || gameMode == IcsExamining ||
16231 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16232 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16233 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16234 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16235 gameMode == Training) PopUpMoveDialog(firstChar);
16239 TypeInDoneEvent (char *move)
16242 int n, fromX, fromY, toX, toY;
16244 ChessMove moveType;
16247 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16248 EditPositionPasteFEN(move);
16251 // [HGM] movenum: allow move number to be typed in any mode
16252 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16256 // undocumented kludge: allow command-line option to be typed in!
16257 // (potentially fatal, and does not implement the effect of the option.)
16258 // should only be used for options that are values on which future decisions will be made,
16259 // and definitely not on options that would be used during initialization.
16260 if(strstr(move, "!!! -") == move) {
16261 ParseArgsFromString(move+4);
16265 if (gameMode != EditGame && currentMove != forwardMostMove &&
16266 gameMode != Training) {
16267 DisplayMoveError(_("Displayed move is not current"));
16269 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16270 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16271 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16272 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16273 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16274 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16276 DisplayMoveError(_("Could not parse move"));
16282 DisplayMove (int moveNumber)
16284 char message[MSG_SIZ];
16286 char cpThinkOutput[MSG_SIZ];
16288 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16290 if (moveNumber == forwardMostMove - 1 ||
16291 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16293 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16295 if (strchr(cpThinkOutput, '\n')) {
16296 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16299 *cpThinkOutput = NULLCHAR;
16302 /* [AS] Hide thinking from human user */
16303 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16304 *cpThinkOutput = NULLCHAR;
16305 if( thinkOutput[0] != NULLCHAR ) {
16308 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16309 cpThinkOutput[i] = '.';
16311 cpThinkOutput[i] = NULLCHAR;
16312 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16316 if (moveNumber == forwardMostMove - 1 &&
16317 gameInfo.resultDetails != NULL) {
16318 if (gameInfo.resultDetails[0] == NULLCHAR) {
16319 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16321 snprintf(res, MSG_SIZ, " {%s} %s",
16322 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16328 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16329 DisplayMessage(res, cpThinkOutput);
16331 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16332 WhiteOnMove(moveNumber) ? " " : ".. ",
16333 parseList[moveNumber], res);
16334 DisplayMessage(message, cpThinkOutput);
16339 DisplayComment (int moveNumber, char *text)
16341 char title[MSG_SIZ];
16343 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16344 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16346 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16347 WhiteOnMove(moveNumber) ? " " : ".. ",
16348 parseList[moveNumber]);
16350 if (text != NULL && (appData.autoDisplayComment || commentUp))
16351 CommentPopUp(title, text);
16354 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16355 * might be busy thinking or pondering. It can be omitted if your
16356 * gnuchess is configured to stop thinking immediately on any user
16357 * input. However, that gnuchess feature depends on the FIONREAD
16358 * ioctl, which does not work properly on some flavors of Unix.
16361 Attention (ChessProgramState *cps)
16364 if (!cps->useSigint) return;
16365 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16366 switch (gameMode) {
16367 case MachinePlaysWhite:
16368 case MachinePlaysBlack:
16369 case TwoMachinesPlay:
16370 case IcsPlayingWhite:
16371 case IcsPlayingBlack:
16374 /* Skip if we know it isn't thinking */
16375 if (!cps->maybeThinking) return;
16376 if (appData.debugMode)
16377 fprintf(debugFP, "Interrupting %s\n", cps->which);
16378 InterruptChildProcess(cps->pr);
16379 cps->maybeThinking = FALSE;
16384 #endif /*ATTENTION*/
16390 if (whiteTimeRemaining <= 0) {
16393 if (appData.icsActive) {
16394 if (appData.autoCallFlag &&
16395 gameMode == IcsPlayingBlack && !blackFlag) {
16396 SendToICS(ics_prefix);
16397 SendToICS("flag\n");
16401 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16403 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16404 if (appData.autoCallFlag) {
16405 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16412 if (blackTimeRemaining <= 0) {
16415 if (appData.icsActive) {
16416 if (appData.autoCallFlag &&
16417 gameMode == IcsPlayingWhite && !whiteFlag) {
16418 SendToICS(ics_prefix);
16419 SendToICS("flag\n");
16423 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16425 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16426 if (appData.autoCallFlag) {
16427 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16438 CheckTimeControl ()
16440 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16441 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16444 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16446 if ( !WhiteOnMove(forwardMostMove) ) {
16447 /* White made time control */
16448 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16449 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16450 /* [HGM] time odds: correct new time quota for time odds! */
16451 / WhitePlayer()->timeOdds;
16452 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16454 lastBlack -= blackTimeRemaining;
16455 /* Black made time control */
16456 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16457 / WhitePlayer()->other->timeOdds;
16458 lastWhite = whiteTimeRemaining;
16463 DisplayBothClocks ()
16465 int wom = gameMode == EditPosition ?
16466 !blackPlaysFirst : WhiteOnMove(currentMove);
16467 DisplayWhiteClock(whiteTimeRemaining, wom);
16468 DisplayBlackClock(blackTimeRemaining, !wom);
16472 /* Timekeeping seems to be a portability nightmare. I think everyone
16473 has ftime(), but I'm really not sure, so I'm including some ifdefs
16474 to use other calls if you don't. Clocks will be less accurate if
16475 you have neither ftime nor gettimeofday.
16478 /* VS 2008 requires the #include outside of the function */
16479 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16480 #include <sys/timeb.h>
16483 /* Get the current time as a TimeMark */
16485 GetTimeMark (TimeMark *tm)
16487 #if HAVE_GETTIMEOFDAY
16489 struct timeval timeVal;
16490 struct timezone timeZone;
16492 gettimeofday(&timeVal, &timeZone);
16493 tm->sec = (long) timeVal.tv_sec;
16494 tm->ms = (int) (timeVal.tv_usec / 1000L);
16496 #else /*!HAVE_GETTIMEOFDAY*/
16499 // include <sys/timeb.h> / moved to just above start of function
16500 struct timeb timeB;
16503 tm->sec = (long) timeB.time;
16504 tm->ms = (int) timeB.millitm;
16506 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16507 tm->sec = (long) time(NULL);
16513 /* Return the difference in milliseconds between two
16514 time marks. We assume the difference will fit in a long!
16517 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16519 return 1000L*(tm2->sec - tm1->sec) +
16520 (long) (tm2->ms - tm1->ms);
16525 * Code to manage the game clocks.
16527 * In tournament play, black starts the clock and then white makes a move.
16528 * We give the human user a slight advantage if he is playing white---the
16529 * clocks don't run until he makes his first move, so it takes zero time.
16530 * Also, we don't account for network lag, so we could get out of sync
16531 * with GNU Chess's clock -- but then, referees are always right.
16534 static TimeMark tickStartTM;
16535 static long intendedTickLength;
16538 NextTickLength (long timeRemaining)
16540 long nominalTickLength, nextTickLength;
16542 if (timeRemaining > 0L && timeRemaining <= 10000L)
16543 nominalTickLength = 100L;
16545 nominalTickLength = 1000L;
16546 nextTickLength = timeRemaining % nominalTickLength;
16547 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16549 return nextTickLength;
16552 /* Adjust clock one minute up or down */
16554 AdjustClock (Boolean which, int dir)
16556 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16557 if(which) blackTimeRemaining += 60000*dir;
16558 else whiteTimeRemaining += 60000*dir;
16559 DisplayBothClocks();
16560 adjustedClock = TRUE;
16563 /* Stop clocks and reset to a fresh time control */
16567 (void) StopClockTimer();
16568 if (appData.icsActive) {
16569 whiteTimeRemaining = blackTimeRemaining = 0;
16570 } else if (searchTime) {
16571 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16572 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16573 } else { /* [HGM] correct new time quote for time odds */
16574 whiteTC = blackTC = fullTimeControlString;
16575 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16576 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16578 if (whiteFlag || blackFlag) {
16580 whiteFlag = blackFlag = FALSE;
16582 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16583 DisplayBothClocks();
16584 adjustedClock = FALSE;
16587 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16589 /* Decrement running clock by amount of time that has passed */
16593 long timeRemaining;
16594 long lastTickLength, fudge;
16597 if (!appData.clockMode) return;
16598 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16602 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16604 /* Fudge if we woke up a little too soon */
16605 fudge = intendedTickLength - lastTickLength;
16606 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16608 if (WhiteOnMove(forwardMostMove)) {
16609 if(whiteNPS >= 0) lastTickLength = 0;
16610 timeRemaining = whiteTimeRemaining -= lastTickLength;
16611 if(timeRemaining < 0 && !appData.icsActive) {
16612 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16613 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16614 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16615 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16618 DisplayWhiteClock(whiteTimeRemaining - fudge,
16619 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16621 if(blackNPS >= 0) lastTickLength = 0;
16622 timeRemaining = blackTimeRemaining -= lastTickLength;
16623 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16624 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16626 blackStartMove = forwardMostMove;
16627 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16630 DisplayBlackClock(blackTimeRemaining - fudge,
16631 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16633 if (CheckFlags()) return;
16635 if(twoBoards) { // count down secondary board's clocks as well
16636 activePartnerTime -= lastTickLength;
16638 if(activePartner == 'W')
16639 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16641 DisplayBlackClock(activePartnerTime, TRUE);
16646 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16647 StartClockTimer(intendedTickLength);
16649 /* if the time remaining has fallen below the alarm threshold, sound the
16650 * alarm. if the alarm has sounded and (due to a takeback or time control
16651 * with increment) the time remaining has increased to a level above the
16652 * threshold, reset the alarm so it can sound again.
16655 if (appData.icsActive && appData.icsAlarm) {
16657 /* make sure we are dealing with the user's clock */
16658 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16659 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16662 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16663 alarmSounded = FALSE;
16664 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16666 alarmSounded = TRUE;
16672 /* A player has just moved, so stop the previously running
16673 clock and (if in clock mode) start the other one.
16674 We redisplay both clocks in case we're in ICS mode, because
16675 ICS gives us an update to both clocks after every move.
16676 Note that this routine is called *after* forwardMostMove
16677 is updated, so the last fractional tick must be subtracted
16678 from the color that is *not* on move now.
16681 SwitchClocks (int newMoveNr)
16683 long lastTickLength;
16685 int flagged = FALSE;
16689 if (StopClockTimer() && appData.clockMode) {
16690 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16691 if (!WhiteOnMove(forwardMostMove)) {
16692 if(blackNPS >= 0) lastTickLength = 0;
16693 blackTimeRemaining -= lastTickLength;
16694 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16695 // if(pvInfoList[forwardMostMove].time == -1)
16696 pvInfoList[forwardMostMove].time = // use GUI time
16697 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16699 if(whiteNPS >= 0) lastTickLength = 0;
16700 whiteTimeRemaining -= lastTickLength;
16701 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16702 // if(pvInfoList[forwardMostMove].time == -1)
16703 pvInfoList[forwardMostMove].time =
16704 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16706 flagged = CheckFlags();
16708 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16709 CheckTimeControl();
16711 if (flagged || !appData.clockMode) return;
16713 switch (gameMode) {
16714 case MachinePlaysBlack:
16715 case MachinePlaysWhite:
16716 case BeginningOfGame:
16717 if (pausing) return;
16721 case PlayFromGameFile:
16729 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16730 if(WhiteOnMove(forwardMostMove))
16731 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16732 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16736 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16737 whiteTimeRemaining : blackTimeRemaining);
16738 StartClockTimer(intendedTickLength);
16742 /* Stop both clocks */
16746 long lastTickLength;
16749 if (!StopClockTimer()) return;
16750 if (!appData.clockMode) return;
16754 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16755 if (WhiteOnMove(forwardMostMove)) {
16756 if(whiteNPS >= 0) lastTickLength = 0;
16757 whiteTimeRemaining -= lastTickLength;
16758 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16760 if(blackNPS >= 0) lastTickLength = 0;
16761 blackTimeRemaining -= lastTickLength;
16762 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16767 /* Start clock of player on move. Time may have been reset, so
16768 if clock is already running, stop and restart it. */
16772 (void) StopClockTimer(); /* in case it was running already */
16773 DisplayBothClocks();
16774 if (CheckFlags()) return;
16776 if (!appData.clockMode) return;
16777 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16779 GetTimeMark(&tickStartTM);
16780 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16781 whiteTimeRemaining : blackTimeRemaining);
16783 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16784 whiteNPS = blackNPS = -1;
16785 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16786 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16787 whiteNPS = first.nps;
16788 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16789 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16790 blackNPS = first.nps;
16791 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16792 whiteNPS = second.nps;
16793 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16794 blackNPS = second.nps;
16795 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16797 StartClockTimer(intendedTickLength);
16801 TimeString (long ms)
16803 long second, minute, hour, day;
16805 static char buf[32];
16807 if (ms > 0 && ms <= 9900) {
16808 /* convert milliseconds to tenths, rounding up */
16809 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16811 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16815 /* convert milliseconds to seconds, rounding up */
16816 /* use floating point to avoid strangeness of integer division
16817 with negative dividends on many machines */
16818 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16825 day = second / (60 * 60 * 24);
16826 second = second % (60 * 60 * 24);
16827 hour = second / (60 * 60);
16828 second = second % (60 * 60);
16829 minute = second / 60;
16830 second = second % 60;
16833 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16834 sign, day, hour, minute, second);
16836 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16838 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16845 * This is necessary because some C libraries aren't ANSI C compliant yet.
16848 StrStr (char *string, char *match)
16852 length = strlen(match);
16854 for (i = strlen(string) - length; i >= 0; i--, string++)
16855 if (!strncmp(match, string, length))
16862 StrCaseStr (char *string, char *match)
16866 length = strlen(match);
16868 for (i = strlen(string) - length; i >= 0; i--, string++) {
16869 for (j = 0; j < length; j++) {
16870 if (ToLower(match[j]) != ToLower(string[j]))
16873 if (j == length) return string;
16881 StrCaseCmp (char *s1, char *s2)
16886 c1 = ToLower(*s1++);
16887 c2 = ToLower(*s2++);
16888 if (c1 > c2) return 1;
16889 if (c1 < c2) return -1;
16890 if (c1 == NULLCHAR) return 0;
16898 return isupper(c) ? tolower(c) : c;
16905 return islower(c) ? toupper(c) : c;
16907 #endif /* !_amigados */
16914 if ((ret = (char *) malloc(strlen(s) + 1)))
16916 safeStrCpy(ret, s, strlen(s)+1);
16922 StrSavePtr (char *s, char **savePtr)
16927 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16928 safeStrCpy(*savePtr, s, strlen(s)+1);
16940 clock = time((time_t *)NULL);
16941 tm = localtime(&clock);
16942 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16943 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16944 return StrSave(buf);
16949 PositionToFEN (int move, char *overrideCastling)
16951 int i, j, fromX, fromY, toX, toY;
16958 whiteToPlay = (gameMode == EditPosition) ?
16959 !blackPlaysFirst : (move % 2 == 0);
16962 /* Piece placement data */
16963 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16964 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16966 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16967 if (boards[move][i][j] == EmptySquare) {
16969 } else { ChessSquare piece = boards[move][i][j];
16970 if (emptycount > 0) {
16971 if(emptycount<10) /* [HGM] can be >= 10 */
16972 *p++ = '0' + emptycount;
16973 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16976 if(PieceToChar(piece) == '+') {
16977 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16979 piece = (ChessSquare)(DEMOTED piece);
16981 *p++ = PieceToChar(piece);
16983 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16984 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16989 if (emptycount > 0) {
16990 if(emptycount<10) /* [HGM] can be >= 10 */
16991 *p++ = '0' + emptycount;
16992 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16999 /* [HGM] print Crazyhouse or Shogi holdings */
17000 if( gameInfo.holdingsWidth ) {
17001 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17003 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17004 piece = boards[move][i][BOARD_WIDTH-1];
17005 if( piece != EmptySquare )
17006 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17007 *p++ = PieceToChar(piece);
17009 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17010 piece = boards[move][BOARD_HEIGHT-i-1][0];
17011 if( piece != EmptySquare )
17012 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17013 *p++ = PieceToChar(piece);
17016 if( q == p ) *p++ = '-';
17022 *p++ = whiteToPlay ? 'w' : 'b';
17025 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17026 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17028 if(nrCastlingRights) {
17030 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17031 /* [HGM] write directly from rights */
17032 if(boards[move][CASTLING][2] != NoRights &&
17033 boards[move][CASTLING][0] != NoRights )
17034 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17035 if(boards[move][CASTLING][2] != NoRights &&
17036 boards[move][CASTLING][1] != NoRights )
17037 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17038 if(boards[move][CASTLING][5] != NoRights &&
17039 boards[move][CASTLING][3] != NoRights )
17040 *p++ = boards[move][CASTLING][3] + AAA;
17041 if(boards[move][CASTLING][5] != NoRights &&
17042 boards[move][CASTLING][4] != NoRights )
17043 *p++ = boards[move][CASTLING][4] + AAA;
17046 /* [HGM] write true castling rights */
17047 if( nrCastlingRights == 6 ) {
17049 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17050 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17051 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17052 boards[move][CASTLING][2] != NoRights );
17053 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17054 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17055 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17056 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17057 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17061 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17062 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17063 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17064 boards[move][CASTLING][5] != NoRights );
17065 if(gameInfo.variant == VariantSChess) {
17066 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17067 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17068 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17069 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17074 if (q == p) *p++ = '-'; /* No castling rights */
17078 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17079 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17080 /* En passant target square */
17081 if (move > backwardMostMove) {
17082 fromX = moveList[move - 1][0] - AAA;
17083 fromY = moveList[move - 1][1] - ONE;
17084 toX = moveList[move - 1][2] - AAA;
17085 toY = moveList[move - 1][3] - ONE;
17086 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17087 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17088 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17090 /* 2-square pawn move just happened */
17092 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17096 } else if(move == backwardMostMove) {
17097 // [HGM] perhaps we should always do it like this, and forget the above?
17098 if((signed char)boards[move][EP_STATUS] >= 0) {
17099 *p++ = boards[move][EP_STATUS] + AAA;
17100 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17111 /* [HGM] find reversible plies */
17112 { int i = 0, j=move;
17114 if (appData.debugMode) { int k;
17115 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17116 for(k=backwardMostMove; k<=forwardMostMove; k++)
17117 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17121 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17122 if( j == backwardMostMove ) i += initialRulePlies;
17123 sprintf(p, "%d ", i);
17124 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17126 /* Fullmove number */
17127 sprintf(p, "%d", (move / 2) + 1);
17129 return StrSave(buf);
17133 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17137 int emptycount, virgin[BOARD_FILES];
17142 /* [HGM] by default clear Crazyhouse holdings, if present */
17143 if(gameInfo.holdingsWidth) {
17144 for(i=0; i<BOARD_HEIGHT; i++) {
17145 board[i][0] = EmptySquare; /* black holdings */
17146 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17147 board[i][1] = (ChessSquare) 0; /* black counts */
17148 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17152 /* Piece placement data */
17153 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17156 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17157 if (*p == '/') p++;
17158 emptycount = gameInfo.boardWidth - j;
17159 while (emptycount--)
17160 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17162 #if(BOARD_FILES >= 10)
17163 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17164 p++; emptycount=10;
17165 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17166 while (emptycount--)
17167 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17169 } else if (isdigit(*p)) {
17170 emptycount = *p++ - '0';
17171 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17172 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17173 while (emptycount--)
17174 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17175 } else if (*p == '+' || isalpha(*p)) {
17176 if (j >= gameInfo.boardWidth) return FALSE;
17178 piece = CharToPiece(*++p);
17179 if(piece == EmptySquare) return FALSE; /* unknown piece */
17180 piece = (ChessSquare) (PROMOTED piece ); p++;
17181 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17182 } else piece = CharToPiece(*p++);
17184 if(piece==EmptySquare) return FALSE; /* unknown piece */
17185 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17186 piece = (ChessSquare) (PROMOTED piece);
17187 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17190 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17196 while (*p == '/' || *p == ' ') p++;
17198 /* [HGM] look for Crazyhouse holdings here */
17199 while(*p==' ') p++;
17200 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17202 if(*p == '-' ) p++; /* empty holdings */ else {
17203 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17204 /* if we would allow FEN reading to set board size, we would */
17205 /* have to add holdings and shift the board read so far here */
17206 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17208 if((int) piece >= (int) BlackPawn ) {
17209 i = (int)piece - (int)BlackPawn;
17210 i = PieceToNumber((ChessSquare)i);
17211 if( i >= gameInfo.holdingsSize ) return FALSE;
17212 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17213 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17215 i = (int)piece - (int)WhitePawn;
17216 i = PieceToNumber((ChessSquare)i);
17217 if( i >= gameInfo.holdingsSize ) return FALSE;
17218 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17219 board[i][BOARD_WIDTH-2]++; /* black holdings */
17226 while(*p == ' ') p++;
17230 if(appData.colorNickNames) {
17231 if( c == appData.colorNickNames[0] ) c = 'w'; else
17232 if( c == appData.colorNickNames[1] ) c = 'b';
17236 *blackPlaysFirst = FALSE;
17239 *blackPlaysFirst = TRUE;
17245 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17246 /* return the extra info in global variiables */
17248 /* set defaults in case FEN is incomplete */
17249 board[EP_STATUS] = EP_UNKNOWN;
17250 for(i=0; i<nrCastlingRights; i++ ) {
17251 board[CASTLING][i] =
17252 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17253 } /* assume possible unless obviously impossible */
17254 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17255 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17256 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17257 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17258 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17259 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17260 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17261 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17264 while(*p==' ') p++;
17265 if(nrCastlingRights) {
17266 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17267 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17268 /* castling indicator present, so default becomes no castlings */
17269 for(i=0; i<nrCastlingRights; i++ ) {
17270 board[CASTLING][i] = NoRights;
17273 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17274 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17275 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17276 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17277 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17279 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17280 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17281 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17283 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17284 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17285 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17286 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17287 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17288 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17291 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17292 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17293 board[CASTLING][2] = whiteKingFile;
17294 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17295 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17298 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17299 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17300 board[CASTLING][2] = whiteKingFile;
17301 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17302 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17305 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17306 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17307 board[CASTLING][5] = blackKingFile;
17308 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17309 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17312 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17313 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17314 board[CASTLING][5] = blackKingFile;
17315 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17316 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17319 default: /* FRC castlings */
17320 if(c >= 'a') { /* black rights */
17321 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17322 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17323 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17324 if(i == BOARD_RGHT) break;
17325 board[CASTLING][5] = i;
17327 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17328 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17330 board[CASTLING][3] = c;
17332 board[CASTLING][4] = c;
17333 } else { /* white rights */
17334 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17335 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17336 if(board[0][i] == WhiteKing) break;
17337 if(i == BOARD_RGHT) break;
17338 board[CASTLING][2] = i;
17339 c -= AAA - 'a' + 'A';
17340 if(board[0][c] >= WhiteKing) break;
17342 board[CASTLING][0] = c;
17344 board[CASTLING][1] = c;
17348 for(i=0; i<nrCastlingRights; i++)
17349 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17350 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17351 if (appData.debugMode) {
17352 fprintf(debugFP, "FEN castling rights:");
17353 for(i=0; i<nrCastlingRights; i++)
17354 fprintf(debugFP, " %d", board[CASTLING][i]);
17355 fprintf(debugFP, "\n");
17358 while(*p==' ') p++;
17361 /* read e.p. field in games that know e.p. capture */
17362 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17363 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17365 p++; board[EP_STATUS] = EP_NONE;
17367 char c = *p++ - AAA;
17369 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17370 if(*p >= '0' && *p <='9') p++;
17371 board[EP_STATUS] = c;
17376 if(sscanf(p, "%d", &i) == 1) {
17377 FENrulePlies = i; /* 50-move ply counter */
17378 /* (The move number is still ignored) */
17385 EditPositionPasteFEN (char *fen)
17388 Board initial_position;
17390 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17391 DisplayError(_("Bad FEN position in clipboard"), 0);
17394 int savedBlackPlaysFirst = blackPlaysFirst;
17395 EditPositionEvent();
17396 blackPlaysFirst = savedBlackPlaysFirst;
17397 CopyBoard(boards[0], initial_position);
17398 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17399 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17400 DisplayBothClocks();
17401 DrawPosition(FALSE, boards[currentMove]);
17406 static char cseq[12] = "\\ ";
17409 set_cont_sequence (char *new_seq)
17414 // handle bad attempts to set the sequence
17416 return 0; // acceptable error - no debug
17418 len = strlen(new_seq);
17419 ret = (len > 0) && (len < sizeof(cseq));
17421 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17422 else if (appData.debugMode)
17423 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17428 reformat a source message so words don't cross the width boundary. internal
17429 newlines are not removed. returns the wrapped size (no null character unless
17430 included in source message). If dest is NULL, only calculate the size required
17431 for the dest buffer. lp argument indicats line position upon entry, and it's
17432 passed back upon exit.
17435 wrap (char *dest, char *src, int count, int width, int *lp)
17437 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17439 cseq_len = strlen(cseq);
17440 old_line = line = *lp;
17441 ansi = len = clen = 0;
17443 for (i=0; i < count; i++)
17445 if (src[i] == '\033')
17448 // if we hit the width, back up
17449 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17451 // store i & len in case the word is too long
17452 old_i = i, old_len = len;
17454 // find the end of the last word
17455 while (i && src[i] != ' ' && src[i] != '\n')
17461 // word too long? restore i & len before splitting it
17462 if ((old_i-i+clen) >= width)
17469 if (i && src[i-1] == ' ')
17472 if (src[i] != ' ' && src[i] != '\n')
17479 // now append the newline and continuation sequence
17484 strncpy(dest+len, cseq, cseq_len);
17492 dest[len] = src[i];
17496 if (src[i] == '\n')
17501 if (dest && appData.debugMode)
17503 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17504 count, width, line, len, *lp);
17505 show_bytes(debugFP, src, count);
17506 fprintf(debugFP, "\ndest: ");
17507 show_bytes(debugFP, dest, len);
17508 fprintf(debugFP, "\n");
17510 *lp = dest ? line : old_line;
17515 // [HGM] vari: routines for shelving variations
17516 Boolean modeRestore = FALSE;
17519 PushInner (int firstMove, int lastMove)
17521 int i, j, nrMoves = lastMove - firstMove;
17523 // push current tail of game on stack
17524 savedResult[storedGames] = gameInfo.result;
17525 savedDetails[storedGames] = gameInfo.resultDetails;
17526 gameInfo.resultDetails = NULL;
17527 savedFirst[storedGames] = firstMove;
17528 savedLast [storedGames] = lastMove;
17529 savedFramePtr[storedGames] = framePtr;
17530 framePtr -= nrMoves; // reserve space for the boards
17531 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17532 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17533 for(j=0; j<MOVE_LEN; j++)
17534 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17535 for(j=0; j<2*MOVE_LEN; j++)
17536 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17537 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17538 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17539 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17540 pvInfoList[firstMove+i-1].depth = 0;
17541 commentList[framePtr+i] = commentList[firstMove+i];
17542 commentList[firstMove+i] = NULL;
17546 forwardMostMove = firstMove; // truncate game so we can start variation
17550 PushTail (int firstMove, int lastMove)
17552 if(appData.icsActive) { // only in local mode
17553 forwardMostMove = currentMove; // mimic old ICS behavior
17556 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17558 PushInner(firstMove, lastMove);
17559 if(storedGames == 1) GreyRevert(FALSE);
17560 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17564 PopInner (Boolean annotate)
17567 char buf[8000], moveBuf[20];
17569 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17570 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17571 nrMoves = savedLast[storedGames] - currentMove;
17574 if(!WhiteOnMove(currentMove))
17575 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17576 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17577 for(i=currentMove; i<forwardMostMove; i++) {
17579 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17580 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17581 strcat(buf, moveBuf);
17582 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17583 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17587 for(i=1; i<=nrMoves; i++) { // copy last variation back
17588 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17589 for(j=0; j<MOVE_LEN; j++)
17590 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17591 for(j=0; j<2*MOVE_LEN; j++)
17592 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17593 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17594 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17595 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17596 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17597 commentList[currentMove+i] = commentList[framePtr+i];
17598 commentList[framePtr+i] = NULL;
17600 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17601 framePtr = savedFramePtr[storedGames];
17602 gameInfo.result = savedResult[storedGames];
17603 if(gameInfo.resultDetails != NULL) {
17604 free(gameInfo.resultDetails);
17606 gameInfo.resultDetails = savedDetails[storedGames];
17607 forwardMostMove = currentMove + nrMoves;
17611 PopTail (Boolean annotate)
17613 if(appData.icsActive) return FALSE; // only in local mode
17614 if(!storedGames) return FALSE; // sanity
17615 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17617 PopInner(annotate);
17618 if(currentMove < forwardMostMove) ForwardEvent(); else
17619 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17621 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17627 { // remove all shelved variations
17629 for(i=0; i<storedGames; i++) {
17630 if(savedDetails[i])
17631 free(savedDetails[i]);
17632 savedDetails[i] = NULL;
17634 for(i=framePtr; i<MAX_MOVES; i++) {
17635 if(commentList[i]) free(commentList[i]);
17636 commentList[i] = NULL;
17638 framePtr = MAX_MOVES-1;
17643 LoadVariation (int index, char *text)
17644 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17645 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17646 int level = 0, move;
17648 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17649 // first find outermost bracketing variation
17650 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17651 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17652 if(*p == '{') wait = '}'; else
17653 if(*p == '[') wait = ']'; else
17654 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17655 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17657 if(*p == wait) wait = NULLCHAR; // closing ]} found
17660 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17661 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17662 end[1] = NULLCHAR; // clip off comment beyond variation
17663 ToNrEvent(currentMove-1);
17664 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17665 // kludge: use ParsePV() to append variation to game
17666 move = currentMove;
17667 ParsePV(start, TRUE, TRUE);
17668 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17669 ClearPremoveHighlights();
17671 ToNrEvent(currentMove+1);
17677 char *p, *q, buf[MSG_SIZ];
17678 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17679 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17680 ParseArgsFromString(buf);
17681 ActivateTheme(TRUE); // also redo colors
17685 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17688 q = appData.themeNames;
17689 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17690 if(appData.useBitmaps) {
17691 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17692 appData.liteBackTextureFile, appData.darkBackTextureFile,
17693 appData.liteBackTextureMode,
17694 appData.darkBackTextureMode );
17696 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17697 Col2Text(2), // lightSquareColor
17698 Col2Text(3) ); // darkSquareColor
17700 if(appData.useBorder) {
17701 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17704 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17706 if(appData.useFont) {
17707 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17708 appData.renderPiecesWithFont,
17709 appData.fontToPieceTable,
17710 Col2Text(9), // appData.fontBackColorWhite
17711 Col2Text(10) ); // appData.fontForeColorBlack
17713 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17714 appData.pieceDirectory);
17715 if(!appData.pieceDirectory[0])
17716 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17717 Col2Text(0), // whitePieceColor
17718 Col2Text(1) ); // blackPieceColor
17720 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17721 Col2Text(4), // highlightSquareColor
17722 Col2Text(5) ); // premoveHighlightColor
17723 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17724 if(insert != q) insert[-1] = NULLCHAR;
17725 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17728 ActivateTheme(FALSE);