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)
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 && 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 // Now check for perpetual chases
7881 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7882 hisPerpetual = PerpetualChase(k, forwardMostMove);
7883 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7884 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7885 static char resdet[MSG_SIZ];
7886 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7888 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7890 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7891 break; // Abort repetition-checking loop.
7893 // if neither of us is checking or chasing all the time, or both are, it is draw
7895 if(engineOpponent) {
7896 SendToProgram("force\n", engineOpponent); // suppress reply
7897 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7899 GameEnds( result, details, GE_XBOARD );
7902 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7903 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7907 /* Now we test for 50-move draws. Determine ply count */
7908 count = forwardMostMove;
7909 /* look for last irreversble move */
7910 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7912 /* if we hit starting position, add initial plies */
7913 if( count == backwardMostMove )
7914 count -= initialRulePlies;
7915 count = forwardMostMove - count;
7916 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7917 // adjust reversible move counter for checks in Xiangqi
7918 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7919 if(i < backwardMostMove) i = backwardMostMove;
7920 while(i <= forwardMostMove) {
7921 lastCheck = inCheck; // check evasion does not count
7922 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7923 if(inCheck || lastCheck) count--; // check does not count
7928 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7929 /* this is used to judge if draw claims are legal */
7930 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7931 if(engineOpponent) {
7932 SendToProgram("force\n", engineOpponent); // suppress reply
7933 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7935 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7939 /* if draw offer is pending, treat it as a draw claim
7940 * when draw condition present, to allow engines a way to
7941 * claim draws before making their move to avoid a race
7942 * condition occurring after their move
7944 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7946 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7947 p = "Draw claim: 50-move rule";
7948 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7949 p = "Draw claim: 3-fold repetition";
7950 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7951 p = "Draw claim: insufficient mating material";
7952 if( p != NULL && canAdjudicate) {
7953 if(engineOpponent) {
7954 SendToProgram("force\n", engineOpponent); // suppress reply
7955 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7957 GameEnds( GameIsDrawn, p, GE_XBOARD );
7962 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7963 if(engineOpponent) {
7964 SendToProgram("force\n", engineOpponent); // suppress reply
7965 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7967 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7974 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7975 { // [HGM] book: this routine intercepts moves to simulate book replies
7976 char *bookHit = NULL;
7978 //first determine if the incoming move brings opponent into his book
7979 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7980 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7981 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7982 if(bookHit != NULL && !cps->bookSuspend) {
7983 // make sure opponent is not going to reply after receiving move to book position
7984 SendToProgram("force\n", cps);
7985 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7987 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7988 // now arrange restart after book miss
7990 // after a book hit we never send 'go', and the code after the call to this routine
7991 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7992 char buf[MSG_SIZ], *move = bookHit;
7994 int fromX, fromY, toX, toY;
7998 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7999 &fromX, &fromY, &toX, &toY, &promoChar)) {
8000 (void) CoordsToAlgebraic(boards[forwardMostMove],
8001 PosFlags(forwardMostMove),
8002 fromY, fromX, toY, toX, promoChar, move);
8004 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8008 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8009 SendToProgram(buf, cps);
8010 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8011 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8012 SendToProgram("go\n", cps);
8013 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8014 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8015 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8016 SendToProgram("go\n", cps);
8017 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8019 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8023 LoadError (char *errmess, ChessProgramState *cps)
8024 { // unloads engine and switches back to -ncp mode if it was first
8025 if(cps->initDone) return FALSE;
8026 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8027 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8030 appData.noChessProgram = TRUE;
8031 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8032 gameMode = BeginningOfGame; ModeHighlight();
8035 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8036 DisplayMessage("", ""); // erase waiting message
8037 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8042 ChessProgramState *savedState;
8044 DeferredBookMove (void)
8046 if(savedState->lastPing != savedState->lastPong)
8047 ScheduleDelayedEvent(DeferredBookMove, 10);
8049 HandleMachineMove(savedMessage, savedState);
8052 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8053 static ChessProgramState *stalledEngine;
8054 static char stashedInputMove[MSG_SIZ];
8057 HandleMachineMove (char *message, ChessProgramState *cps)
8059 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8060 char realname[MSG_SIZ];
8061 int fromX, fromY, toX, toY;
8065 int machineWhite, oldError;
8068 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8069 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8070 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8071 DisplayError(_("Invalid pairing from pairing engine"), 0);
8074 pairingReceived = 1;
8076 return; // Skim the pairing messages here.
8079 oldError = cps->userError; cps->userError = 0;
8081 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8083 * Kludge to ignore BEL characters
8085 while (*message == '\007') message++;
8088 * [HGM] engine debug message: ignore lines starting with '#' character
8090 if(cps->debug && *message == '#') return;
8093 * Look for book output
8095 if (cps == &first && bookRequested) {
8096 if (message[0] == '\t' || message[0] == ' ') {
8097 /* Part of the book output is here; append it */
8098 strcat(bookOutput, message);
8099 strcat(bookOutput, " \n");
8101 } else if (bookOutput[0] != NULLCHAR) {
8102 /* All of book output has arrived; display it */
8103 char *p = bookOutput;
8104 while (*p != NULLCHAR) {
8105 if (*p == '\t') *p = ' ';
8108 DisplayInformation(bookOutput);
8109 bookRequested = FALSE;
8110 /* Fall through to parse the current output */
8115 * Look for machine move.
8117 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8118 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8120 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8121 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8122 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8123 stalledEngine = cps;
8124 if(appData.ponderNextMove) { // bring opponent out of ponder
8125 if(gameMode == TwoMachinesPlay) {
8126 if(cps->other->pause)
8127 PauseEngine(cps->other);
8129 SendToProgram("easy\n", cps->other);
8136 /* This method is only useful on engines that support ping */
8137 if (cps->lastPing != cps->lastPong) {
8138 if (gameMode == BeginningOfGame) {
8139 /* Extra move from before last new; ignore */
8140 if (appData.debugMode) {
8141 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8144 if (appData.debugMode) {
8145 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8146 cps->which, gameMode);
8149 SendToProgram("undo\n", cps);
8155 case BeginningOfGame:
8156 /* Extra move from before last reset; ignore */
8157 if (appData.debugMode) {
8158 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8165 /* Extra move after we tried to stop. The mode test is
8166 not a reliable way of detecting this problem, but it's
8167 the best we can do on engines that don't support ping.
8169 if (appData.debugMode) {
8170 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8171 cps->which, gameMode);
8173 SendToProgram("undo\n", cps);
8176 case MachinePlaysWhite:
8177 case IcsPlayingWhite:
8178 machineWhite = TRUE;
8181 case MachinePlaysBlack:
8182 case IcsPlayingBlack:
8183 machineWhite = FALSE;
8186 case TwoMachinesPlay:
8187 machineWhite = (cps->twoMachinesColor[0] == 'w');
8190 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8191 if (appData.debugMode) {
8193 "Ignoring move out of turn by %s, gameMode %d"
8194 ", forwardMost %d\n",
8195 cps->which, gameMode, forwardMostMove);
8200 if(cps->alphaRank) AlphaRank(machineMove, 4);
8201 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8202 &fromX, &fromY, &toX, &toY, &promoChar)) {
8203 /* Machine move could not be parsed; ignore it. */
8204 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8205 machineMove, _(cps->which));
8206 DisplayError(buf1, 0);
8207 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8208 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8209 if (gameMode == TwoMachinesPlay) {
8210 GameEnds(machineWhite ? BlackWins : WhiteWins,
8216 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8217 /* So we have to redo legality test with true e.p. status here, */
8218 /* to make sure an illegal e.p. capture does not slip through, */
8219 /* to cause a forfeit on a justified illegal-move complaint */
8220 /* of the opponent. */
8221 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8223 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8224 fromY, fromX, toY, toX, promoChar);
8225 if(moveType == IllegalMove) {
8226 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8227 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8228 GameEnds(machineWhite ? BlackWins : WhiteWins,
8231 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8232 /* [HGM] Kludge to handle engines that send FRC-style castling
8233 when they shouldn't (like TSCP-Gothic) */
8235 case WhiteASideCastleFR:
8236 case BlackASideCastleFR:
8238 currentMoveString[2]++;
8240 case WhiteHSideCastleFR:
8241 case BlackHSideCastleFR:
8243 currentMoveString[2]--;
8245 default: ; // nothing to do, but suppresses warning of pedantic compilers
8248 hintRequested = FALSE;
8249 lastHint[0] = NULLCHAR;
8250 bookRequested = FALSE;
8251 /* Program may be pondering now */
8252 cps->maybeThinking = TRUE;
8253 if (cps->sendTime == 2) cps->sendTime = 1;
8254 if (cps->offeredDraw) cps->offeredDraw--;
8256 /* [AS] Save move info*/
8257 pvInfoList[ forwardMostMove ].score = programStats.score;
8258 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8259 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8261 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8263 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8264 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8267 while( count < adjudicateLossPlies ) {
8268 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8271 score = -score; /* Flip score for winning side */
8274 if( score > adjudicateLossThreshold ) {
8281 if( count >= adjudicateLossPlies ) {
8282 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8284 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8285 "Xboard adjudication",
8292 if(Adjudicate(cps)) {
8293 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8294 return; // [HGM] adjudicate: for all automatic game ends
8298 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8300 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8301 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8303 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8305 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8307 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8308 char buf[3*MSG_SIZ];
8310 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8311 programStats.score / 100.,
8313 programStats.time / 100.,
8314 (unsigned int)programStats.nodes,
8315 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8316 programStats.movelist);
8318 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8323 /* [AS] Clear stats for next move */
8324 ClearProgramStats();
8325 thinkOutput[0] = NULLCHAR;
8326 hiddenThinkOutputState = 0;
8329 if (gameMode == TwoMachinesPlay) {
8330 /* [HGM] relaying draw offers moved to after reception of move */
8331 /* and interpreting offer as claim if it brings draw condition */
8332 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8333 SendToProgram("draw\n", cps->other);
8335 if (cps->other->sendTime) {
8336 SendTimeRemaining(cps->other,
8337 cps->other->twoMachinesColor[0] == 'w');
8339 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8340 if (firstMove && !bookHit) {
8342 if (cps->other->useColors) {
8343 SendToProgram(cps->other->twoMachinesColor, cps->other);
8345 SendToProgram("go\n", cps->other);
8347 cps->other->maybeThinking = TRUE;
8350 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8352 if (!pausing && appData.ringBellAfterMoves) {
8357 * Reenable menu items that were disabled while
8358 * machine was thinking
8360 if (gameMode != TwoMachinesPlay)
8361 SetUserThinkingEnables();
8363 // [HGM] book: after book hit opponent has received move and is now in force mode
8364 // force the book reply into it, and then fake that it outputted this move by jumping
8365 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8367 static char bookMove[MSG_SIZ]; // a bit generous?
8369 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8370 strcat(bookMove, bookHit);
8373 programStats.nodes = programStats.depth = programStats.time =
8374 programStats.score = programStats.got_only_move = 0;
8375 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8377 if(cps->lastPing != cps->lastPong) {
8378 savedMessage = message; // args for deferred call
8380 ScheduleDelayedEvent(DeferredBookMove, 10);
8389 /* Set special modes for chess engines. Later something general
8390 * could be added here; for now there is just one kludge feature,
8391 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8392 * when "xboard" is given as an interactive command.
8394 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8395 cps->useSigint = FALSE;
8396 cps->useSigterm = FALSE;
8398 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8399 ParseFeatures(message+8, cps);
8400 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8403 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8404 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8405 int dummy, s=6; char buf[MSG_SIZ];
8406 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8407 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8408 if(startedFromSetupPosition) return;
8409 ParseFEN(boards[0], &dummy, message+s);
8410 DrawPosition(TRUE, boards[0]);
8411 startedFromSetupPosition = TRUE;
8414 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8415 * want this, I was asked to put it in, and obliged.
8417 if (!strncmp(message, "setboard ", 9)) {
8418 Board initial_position;
8420 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8422 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8423 DisplayError(_("Bad FEN received from engine"), 0);
8427 CopyBoard(boards[0], initial_position);
8428 initialRulePlies = FENrulePlies;
8429 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8430 else gameMode = MachinePlaysBlack;
8431 DrawPosition(FALSE, boards[currentMove]);
8437 * Look for communication commands
8439 if (!strncmp(message, "telluser ", 9)) {
8440 if(message[9] == '\\' && message[10] == '\\')
8441 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8443 DisplayNote(message + 9);
8446 if (!strncmp(message, "tellusererror ", 14)) {
8448 if(message[14] == '\\' && message[15] == '\\')
8449 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8451 DisplayError(message + 14, 0);
8454 if (!strncmp(message, "tellopponent ", 13)) {
8455 if (appData.icsActive) {
8457 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8461 DisplayNote(message + 13);
8465 if (!strncmp(message, "tellothers ", 11)) {
8466 if (appData.icsActive) {
8468 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8471 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8474 if (!strncmp(message, "tellall ", 8)) {
8475 if (appData.icsActive) {
8477 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8481 DisplayNote(message + 8);
8485 if (strncmp(message, "warning", 7) == 0) {
8486 /* Undocumented feature, use tellusererror in new code */
8487 DisplayError(message, 0);
8490 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8491 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8492 strcat(realname, " query");
8493 AskQuestion(realname, buf2, buf1, cps->pr);
8496 /* Commands from the engine directly to ICS. We don't allow these to be
8497 * sent until we are logged on. Crafty kibitzes have been known to
8498 * interfere with the login process.
8501 if (!strncmp(message, "tellics ", 8)) {
8502 SendToICS(message + 8);
8506 if (!strncmp(message, "tellicsnoalias ", 15)) {
8507 SendToICS(ics_prefix);
8508 SendToICS(message + 15);
8512 /* The following are for backward compatibility only */
8513 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8514 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8515 SendToICS(ics_prefix);
8521 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8525 * If the move is illegal, cancel it and redraw the board.
8526 * Also deal with other error cases. Matching is rather loose
8527 * here to accommodate engines written before the spec.
8529 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8530 strncmp(message, "Error", 5) == 0) {
8531 if (StrStr(message, "name") ||
8532 StrStr(message, "rating") || StrStr(message, "?") ||
8533 StrStr(message, "result") || StrStr(message, "board") ||
8534 StrStr(message, "bk") || StrStr(message, "computer") ||
8535 StrStr(message, "variant") || StrStr(message, "hint") ||
8536 StrStr(message, "random") || StrStr(message, "depth") ||
8537 StrStr(message, "accepted")) {
8540 if (StrStr(message, "protover")) {
8541 /* Program is responding to input, so it's apparently done
8542 initializing, and this error message indicates it is
8543 protocol version 1. So we don't need to wait any longer
8544 for it to initialize and send feature commands. */
8545 FeatureDone(cps, 1);
8546 cps->protocolVersion = 1;
8549 cps->maybeThinking = FALSE;
8551 if (StrStr(message, "draw")) {
8552 /* Program doesn't have "draw" command */
8553 cps->sendDrawOffers = 0;
8556 if (cps->sendTime != 1 &&
8557 (StrStr(message, "time") || StrStr(message, "otim"))) {
8558 /* Program apparently doesn't have "time" or "otim" command */
8562 if (StrStr(message, "analyze")) {
8563 cps->analysisSupport = FALSE;
8564 cps->analyzing = FALSE;
8565 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8566 EditGameEvent(); // [HGM] try to preserve loaded game
8567 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8568 DisplayError(buf2, 0);
8571 if (StrStr(message, "(no matching move)st")) {
8572 /* Special kludge for GNU Chess 4 only */
8573 cps->stKludge = TRUE;
8574 SendTimeControl(cps, movesPerSession, timeControl,
8575 timeIncrement, appData.searchDepth,
8579 if (StrStr(message, "(no matching move)sd")) {
8580 /* Special kludge for GNU Chess 4 only */
8581 cps->sdKludge = TRUE;
8582 SendTimeControl(cps, movesPerSession, timeControl,
8583 timeIncrement, appData.searchDepth,
8587 if (!StrStr(message, "llegal")) {
8590 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8591 gameMode == IcsIdle) return;
8592 if (forwardMostMove <= backwardMostMove) return;
8593 if (pausing) PauseEvent();
8594 if(appData.forceIllegal) {
8595 // [HGM] illegal: machine refused move; force position after move into it
8596 SendToProgram("force\n", cps);
8597 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8598 // we have a real problem now, as SendBoard will use the a2a3 kludge
8599 // when black is to move, while there might be nothing on a2 or black
8600 // might already have the move. So send the board as if white has the move.
8601 // But first we must change the stm of the engine, as it refused the last move
8602 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8603 if(WhiteOnMove(forwardMostMove)) {
8604 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8605 SendBoard(cps, forwardMostMove); // kludgeless board
8607 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8608 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8609 SendBoard(cps, forwardMostMove+1); // kludgeless board
8611 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8612 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8613 gameMode == TwoMachinesPlay)
8614 SendToProgram("go\n", cps);
8617 if (gameMode == PlayFromGameFile) {
8618 /* Stop reading this game file */
8619 gameMode = EditGame;
8622 /* [HGM] illegal-move claim should forfeit game when Xboard */
8623 /* only passes fully legal moves */
8624 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8625 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8626 "False illegal-move claim", GE_XBOARD );
8627 return; // do not take back move we tested as valid
8629 currentMove = forwardMostMove-1;
8630 DisplayMove(currentMove-1); /* before DisplayMoveError */
8631 SwitchClocks(forwardMostMove-1); // [HGM] race
8632 DisplayBothClocks();
8633 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8634 parseList[currentMove], _(cps->which));
8635 DisplayMoveError(buf1);
8636 DrawPosition(FALSE, boards[currentMove]);
8638 SetUserThinkingEnables();
8641 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8642 /* Program has a broken "time" command that
8643 outputs a string not ending in newline.
8649 * If chess program startup fails, exit with an error message.
8650 * Attempts to recover here are futile. [HGM] Well, we try anyway
8652 if ((StrStr(message, "unknown host") != NULL)
8653 || (StrStr(message, "No remote directory") != NULL)
8654 || (StrStr(message, "not found") != NULL)
8655 || (StrStr(message, "No such file") != NULL)
8656 || (StrStr(message, "can't alloc") != NULL)
8657 || (StrStr(message, "Permission denied") != NULL)) {
8659 cps->maybeThinking = FALSE;
8660 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8661 _(cps->which), cps->program, cps->host, message);
8662 RemoveInputSource(cps->isr);
8663 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8664 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8665 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8671 * Look for hint output
8673 if (sscanf(message, "Hint: %s", buf1) == 1) {
8674 if (cps == &first && hintRequested) {
8675 hintRequested = FALSE;
8676 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8677 &fromX, &fromY, &toX, &toY, &promoChar)) {
8678 (void) CoordsToAlgebraic(boards[forwardMostMove],
8679 PosFlags(forwardMostMove),
8680 fromY, fromX, toY, toX, promoChar, buf1);
8681 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8682 DisplayInformation(buf2);
8684 /* Hint move could not be parsed!? */
8685 snprintf(buf2, sizeof(buf2),
8686 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8687 buf1, _(cps->which));
8688 DisplayError(buf2, 0);
8691 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8697 * Ignore other messages if game is not in progress
8699 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8700 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8703 * look for win, lose, draw, or draw offer
8705 if (strncmp(message, "1-0", 3) == 0) {
8706 char *p, *q, *r = "";
8707 p = strchr(message, '{');
8715 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8717 } else if (strncmp(message, "0-1", 3) == 0) {
8718 char *p, *q, *r = "";
8719 p = strchr(message, '{');
8727 /* Kludge for Arasan 4.1 bug */
8728 if (strcmp(r, "Black resigns") == 0) {
8729 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8732 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8734 } else if (strncmp(message, "1/2", 3) == 0) {
8735 char *p, *q, *r = "";
8736 p = strchr(message, '{');
8745 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8748 } else if (strncmp(message, "White resign", 12) == 0) {
8749 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8751 } else if (strncmp(message, "Black resign", 12) == 0) {
8752 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8754 } else if (strncmp(message, "White matches", 13) == 0 ||
8755 strncmp(message, "Black matches", 13) == 0 ) {
8756 /* [HGM] ignore GNUShogi noises */
8758 } else if (strncmp(message, "White", 5) == 0 &&
8759 message[5] != '(' &&
8760 StrStr(message, "Black") == NULL) {
8761 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8763 } else if (strncmp(message, "Black", 5) == 0 &&
8764 message[5] != '(') {
8765 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8767 } else if (strcmp(message, "resign") == 0 ||
8768 strcmp(message, "computer resigns") == 0) {
8770 case MachinePlaysBlack:
8771 case IcsPlayingBlack:
8772 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8774 case MachinePlaysWhite:
8775 case IcsPlayingWhite:
8776 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8778 case TwoMachinesPlay:
8779 if (cps->twoMachinesColor[0] == 'w')
8780 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8782 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8789 } else if (strncmp(message, "opponent mates", 14) == 0) {
8791 case MachinePlaysBlack:
8792 case IcsPlayingBlack:
8793 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8795 case MachinePlaysWhite:
8796 case IcsPlayingWhite:
8797 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8799 case TwoMachinesPlay:
8800 if (cps->twoMachinesColor[0] == 'w')
8801 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8803 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8810 } else if (strncmp(message, "computer mates", 14) == 0) {
8812 case MachinePlaysBlack:
8813 case IcsPlayingBlack:
8814 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8816 case MachinePlaysWhite:
8817 case IcsPlayingWhite:
8818 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8820 case TwoMachinesPlay:
8821 if (cps->twoMachinesColor[0] == 'w')
8822 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8824 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8831 } else if (strncmp(message, "checkmate", 9) == 0) {
8832 if (WhiteOnMove(forwardMostMove)) {
8833 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8835 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8838 } else if (strstr(message, "Draw") != NULL ||
8839 strstr(message, "game is a draw") != NULL) {
8840 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8842 } else if (strstr(message, "offer") != NULL &&
8843 strstr(message, "draw") != NULL) {
8845 if (appData.zippyPlay && first.initDone) {
8846 /* Relay offer to ICS */
8847 SendToICS(ics_prefix);
8848 SendToICS("draw\n");
8851 cps->offeredDraw = 2; /* valid until this engine moves twice */
8852 if (gameMode == TwoMachinesPlay) {
8853 if (cps->other->offeredDraw) {
8854 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8855 /* [HGM] in two-machine mode we delay relaying draw offer */
8856 /* until after we also have move, to see if it is really claim */
8858 } else if (gameMode == MachinePlaysWhite ||
8859 gameMode == MachinePlaysBlack) {
8860 if (userOfferedDraw) {
8861 DisplayInformation(_("Machine accepts your draw offer"));
8862 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8864 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8871 * Look for thinking output
8873 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8874 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8876 int plylev, mvleft, mvtot, curscore, time;
8877 char mvname[MOVE_LEN];
8881 int prefixHint = FALSE;
8882 mvname[0] = NULLCHAR;
8885 case MachinePlaysBlack:
8886 case IcsPlayingBlack:
8887 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8889 case MachinePlaysWhite:
8890 case IcsPlayingWhite:
8891 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8896 case IcsObserving: /* [DM] icsEngineAnalyze */
8897 if (!appData.icsEngineAnalyze) ignore = TRUE;
8899 case TwoMachinesPlay:
8900 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8910 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8912 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8913 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8915 if (plyext != ' ' && plyext != '\t') {
8919 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8920 if( cps->scoreIsAbsolute &&
8921 ( gameMode == MachinePlaysBlack ||
8922 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8923 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8924 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8925 !WhiteOnMove(currentMove)
8928 curscore = -curscore;
8931 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8933 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8936 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8937 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8938 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8939 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8940 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8941 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8943 } else DisplayError(_("failed writing PV"), 0);
8946 tempStats.depth = plylev;
8947 tempStats.nodes = nodes;
8948 tempStats.time = time;
8949 tempStats.score = curscore;
8950 tempStats.got_only_move = 0;
8952 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8955 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8956 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8957 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8958 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8959 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8960 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8961 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8962 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8965 /* Buffer overflow protection */
8966 if (pv[0] != NULLCHAR) {
8967 if (strlen(pv) >= sizeof(tempStats.movelist)
8968 && appData.debugMode) {
8970 "PV is too long; using the first %u bytes.\n",
8971 (unsigned) sizeof(tempStats.movelist) - 1);
8974 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8976 sprintf(tempStats.movelist, " no PV\n");
8979 if (tempStats.seen_stat) {
8980 tempStats.ok_to_send = 1;
8983 if (strchr(tempStats.movelist, '(') != NULL) {
8984 tempStats.line_is_book = 1;
8985 tempStats.nr_moves = 0;
8986 tempStats.moves_left = 0;
8988 tempStats.line_is_book = 0;
8991 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8992 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8994 SendProgramStatsToFrontend( cps, &tempStats );
8997 [AS] Protect the thinkOutput buffer from overflow... this
8998 is only useful if buf1 hasn't overflowed first!
9000 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9002 (gameMode == TwoMachinesPlay ?
9003 ToUpper(cps->twoMachinesColor[0]) : ' '),
9004 ((double) curscore) / 100.0,
9005 prefixHint ? lastHint : "",
9006 prefixHint ? " " : "" );
9008 if( buf1[0] != NULLCHAR ) {
9009 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9011 if( strlen(pv) > max_len ) {
9012 if( appData.debugMode) {
9013 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9015 pv[max_len+1] = '\0';
9018 strcat( thinkOutput, pv);
9021 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9022 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9023 DisplayMove(currentMove - 1);
9027 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9028 /* crafty (9.25+) says "(only move) <move>"
9029 * if there is only 1 legal move
9031 sscanf(p, "(only move) %s", buf1);
9032 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9033 sprintf(programStats.movelist, "%s (only move)", buf1);
9034 programStats.depth = 1;
9035 programStats.nr_moves = 1;
9036 programStats.moves_left = 1;
9037 programStats.nodes = 1;
9038 programStats.time = 1;
9039 programStats.got_only_move = 1;
9041 /* Not really, but we also use this member to
9042 mean "line isn't going to change" (Crafty
9043 isn't searching, so stats won't change) */
9044 programStats.line_is_book = 1;
9046 SendProgramStatsToFrontend( cps, &programStats );
9048 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9049 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9050 DisplayMove(currentMove - 1);
9053 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9054 &time, &nodes, &plylev, &mvleft,
9055 &mvtot, mvname) >= 5) {
9056 /* The stat01: line is from Crafty (9.29+) in response
9057 to the "." command */
9058 programStats.seen_stat = 1;
9059 cps->maybeThinking = TRUE;
9061 if (programStats.got_only_move || !appData.periodicUpdates)
9064 programStats.depth = plylev;
9065 programStats.time = time;
9066 programStats.nodes = nodes;
9067 programStats.moves_left = mvleft;
9068 programStats.nr_moves = mvtot;
9069 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9070 programStats.ok_to_send = 1;
9071 programStats.movelist[0] = '\0';
9073 SendProgramStatsToFrontend( cps, &programStats );
9077 } else if (strncmp(message,"++",2) == 0) {
9078 /* Crafty 9.29+ outputs this */
9079 programStats.got_fail = 2;
9082 } else if (strncmp(message,"--",2) == 0) {
9083 /* Crafty 9.29+ outputs this */
9084 programStats.got_fail = 1;
9087 } else if (thinkOutput[0] != NULLCHAR &&
9088 strncmp(message, " ", 4) == 0) {
9089 unsigned message_len;
9092 while (*p && *p == ' ') p++;
9094 message_len = strlen( p );
9096 /* [AS] Avoid buffer overflow */
9097 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9098 strcat(thinkOutput, " ");
9099 strcat(thinkOutput, p);
9102 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9103 strcat(programStats.movelist, " ");
9104 strcat(programStats.movelist, p);
9107 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9108 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9109 DisplayMove(currentMove - 1);
9117 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9118 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9120 ChessProgramStats cpstats;
9122 if (plyext != ' ' && plyext != '\t') {
9126 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9127 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9128 curscore = -curscore;
9131 cpstats.depth = plylev;
9132 cpstats.nodes = nodes;
9133 cpstats.time = time;
9134 cpstats.score = curscore;
9135 cpstats.got_only_move = 0;
9136 cpstats.movelist[0] = '\0';
9138 if (buf1[0] != NULLCHAR) {
9139 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9142 cpstats.ok_to_send = 0;
9143 cpstats.line_is_book = 0;
9144 cpstats.nr_moves = 0;
9145 cpstats.moves_left = 0;
9147 SendProgramStatsToFrontend( cps, &cpstats );
9154 /* Parse a game score from the character string "game", and
9155 record it as the history of the current game. The game
9156 score is NOT assumed to start from the standard position.
9157 The display is not updated in any way.
9160 ParseGameHistory (char *game)
9163 int fromX, fromY, toX, toY, boardIndex;
9168 if (appData.debugMode)
9169 fprintf(debugFP, "Parsing game history: %s\n", game);
9171 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9172 gameInfo.site = StrSave(appData.icsHost);
9173 gameInfo.date = PGNDate();
9174 gameInfo.round = StrSave("-");
9176 /* Parse out names of players */
9177 while (*game == ' ') game++;
9179 while (*game != ' ') *p++ = *game++;
9181 gameInfo.white = StrSave(buf);
9182 while (*game == ' ') game++;
9184 while (*game != ' ' && *game != '\n') *p++ = *game++;
9186 gameInfo.black = StrSave(buf);
9189 boardIndex = blackPlaysFirst ? 1 : 0;
9192 yyboardindex = boardIndex;
9193 moveType = (ChessMove) Myylex();
9195 case IllegalMove: /* maybe suicide chess, etc. */
9196 if (appData.debugMode) {
9197 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9198 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9199 setbuf(debugFP, NULL);
9201 case WhitePromotion:
9202 case BlackPromotion:
9203 case WhiteNonPromotion:
9204 case BlackNonPromotion:
9206 case WhiteCapturesEnPassant:
9207 case BlackCapturesEnPassant:
9208 case WhiteKingSideCastle:
9209 case WhiteQueenSideCastle:
9210 case BlackKingSideCastle:
9211 case BlackQueenSideCastle:
9212 case WhiteKingSideCastleWild:
9213 case WhiteQueenSideCastleWild:
9214 case BlackKingSideCastleWild:
9215 case BlackQueenSideCastleWild:
9217 case WhiteHSideCastleFR:
9218 case WhiteASideCastleFR:
9219 case BlackHSideCastleFR:
9220 case BlackASideCastleFR:
9222 fromX = currentMoveString[0] - AAA;
9223 fromY = currentMoveString[1] - ONE;
9224 toX = currentMoveString[2] - AAA;
9225 toY = currentMoveString[3] - ONE;
9226 promoChar = currentMoveString[4];
9230 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9231 fromX = moveType == WhiteDrop ?
9232 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9233 (int) CharToPiece(ToLower(currentMoveString[0]));
9235 toX = currentMoveString[2] - AAA;
9236 toY = currentMoveString[3] - ONE;
9237 promoChar = NULLCHAR;
9241 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9242 if (appData.debugMode) {
9243 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9244 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9245 setbuf(debugFP, NULL);
9247 DisplayError(buf, 0);
9249 case ImpossibleMove:
9251 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9252 if (appData.debugMode) {
9253 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9254 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9255 setbuf(debugFP, NULL);
9257 DisplayError(buf, 0);
9260 if (boardIndex < backwardMostMove) {
9261 /* Oops, gap. How did that happen? */
9262 DisplayError(_("Gap in move list"), 0);
9265 backwardMostMove = blackPlaysFirst ? 1 : 0;
9266 if (boardIndex > forwardMostMove) {
9267 forwardMostMove = boardIndex;
9271 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9272 strcat(parseList[boardIndex-1], " ");
9273 strcat(parseList[boardIndex-1], yy_text);
9285 case GameUnfinished:
9286 if (gameMode == IcsExamining) {
9287 if (boardIndex < backwardMostMove) {
9288 /* Oops, gap. How did that happen? */
9291 backwardMostMove = blackPlaysFirst ? 1 : 0;
9294 gameInfo.result = moveType;
9295 p = strchr(yy_text, '{');
9296 if (p == NULL) p = strchr(yy_text, '(');
9299 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9301 q = strchr(p, *p == '{' ? '}' : ')');
9302 if (q != NULL) *q = NULLCHAR;
9305 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9306 gameInfo.resultDetails = StrSave(p);
9309 if (boardIndex >= forwardMostMove &&
9310 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9311 backwardMostMove = blackPlaysFirst ? 1 : 0;
9314 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9315 fromY, fromX, toY, toX, promoChar,
9316 parseList[boardIndex]);
9317 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9318 /* currentMoveString is set as a side-effect of yylex */
9319 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9320 strcat(moveList[boardIndex], "\n");
9322 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9323 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9329 if(gameInfo.variant != VariantShogi)
9330 strcat(parseList[boardIndex - 1], "+");
9334 strcat(parseList[boardIndex - 1], "#");
9341 /* Apply a move to the given board */
9343 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9345 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9346 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9348 /* [HGM] compute & store e.p. status and castling rights for new position */
9349 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9351 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9352 oldEP = (signed char)board[EP_STATUS];
9353 board[EP_STATUS] = EP_NONE;
9355 if (fromY == DROP_RANK) {
9357 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9358 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9361 piece = board[toY][toX] = (ChessSquare) fromX;
9365 if( board[toY][toX] != EmptySquare )
9366 board[EP_STATUS] = EP_CAPTURE;
9368 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9369 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9370 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9372 if( board[fromY][fromX] == WhitePawn ) {
9373 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9374 board[EP_STATUS] = EP_PAWN_MOVE;
9376 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9377 gameInfo.variant != VariantBerolina || toX < fromX)
9378 board[EP_STATUS] = toX | berolina;
9379 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9380 gameInfo.variant != VariantBerolina || toX > fromX)
9381 board[EP_STATUS] = toX;
9384 if( board[fromY][fromX] == BlackPawn ) {
9385 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9386 board[EP_STATUS] = EP_PAWN_MOVE;
9387 if( toY-fromY== -2) {
9388 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9389 gameInfo.variant != VariantBerolina || toX < fromX)
9390 board[EP_STATUS] = toX | berolina;
9391 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9392 gameInfo.variant != VariantBerolina || toX > fromX)
9393 board[EP_STATUS] = toX;
9397 for(i=0; i<nrCastlingRights; i++) {
9398 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9399 board[CASTLING][i] == toX && castlingRank[i] == toY
9400 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9403 if(gameInfo.variant == VariantSChess) { // update virginity
9404 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9405 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9406 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9407 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9410 if (fromX == toX && fromY == toY) return;
9412 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9413 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9414 if(gameInfo.variant == VariantKnightmate)
9415 king += (int) WhiteUnicorn - (int) WhiteKing;
9417 /* Code added by Tord: */
9418 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9419 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9420 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9421 board[fromY][fromX] = EmptySquare;
9422 board[toY][toX] = EmptySquare;
9423 if((toX > fromX) != (piece == WhiteRook)) {
9424 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9426 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9428 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9429 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9430 board[fromY][fromX] = EmptySquare;
9431 board[toY][toX] = EmptySquare;
9432 if((toX > fromX) != (piece == BlackRook)) {
9433 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9435 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9437 /* End of code added by Tord */
9439 } else if (board[fromY][fromX] == king
9440 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9441 && toY == fromY && toX > fromX+1) {
9442 board[fromY][fromX] = EmptySquare;
9443 board[toY][toX] = king;
9444 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9445 board[fromY][BOARD_RGHT-1] = EmptySquare;
9446 } else if (board[fromY][fromX] == king
9447 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9448 && toY == fromY && toX < fromX-1) {
9449 board[fromY][fromX] = EmptySquare;
9450 board[toY][toX] = king;
9451 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9452 board[fromY][BOARD_LEFT] = EmptySquare;
9453 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9454 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9455 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9457 /* white pawn promotion */
9458 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9459 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9460 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9461 board[fromY][fromX] = EmptySquare;
9462 } else if ((fromY >= BOARD_HEIGHT>>1)
9464 && gameInfo.variant != VariantXiangqi
9465 && gameInfo.variant != VariantBerolina
9466 && (board[fromY][fromX] == WhitePawn)
9467 && (board[toY][toX] == EmptySquare)) {
9468 board[fromY][fromX] = EmptySquare;
9469 board[toY][toX] = WhitePawn;
9470 captured = board[toY - 1][toX];
9471 board[toY - 1][toX] = EmptySquare;
9472 } else if ((fromY == BOARD_HEIGHT-4)
9474 && gameInfo.variant == VariantBerolina
9475 && (board[fromY][fromX] == WhitePawn)
9476 && (board[toY][toX] == EmptySquare)) {
9477 board[fromY][fromX] = EmptySquare;
9478 board[toY][toX] = WhitePawn;
9479 if(oldEP & EP_BEROLIN_A) {
9480 captured = board[fromY][fromX-1];
9481 board[fromY][fromX-1] = EmptySquare;
9482 }else{ captured = board[fromY][fromX+1];
9483 board[fromY][fromX+1] = EmptySquare;
9485 } else if (board[fromY][fromX] == king
9486 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9487 && toY == fromY && toX > fromX+1) {
9488 board[fromY][fromX] = EmptySquare;
9489 board[toY][toX] = king;
9490 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9491 board[fromY][BOARD_RGHT-1] = EmptySquare;
9492 } else if (board[fromY][fromX] == king
9493 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9494 && toY == fromY && toX < fromX-1) {
9495 board[fromY][fromX] = EmptySquare;
9496 board[toY][toX] = king;
9497 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9498 board[fromY][BOARD_LEFT] = EmptySquare;
9499 } else if (fromY == 7 && fromX == 3
9500 && board[fromY][fromX] == BlackKing
9501 && toY == 7 && toX == 5) {
9502 board[fromY][fromX] = EmptySquare;
9503 board[toY][toX] = BlackKing;
9504 board[fromY][7] = EmptySquare;
9505 board[toY][4] = BlackRook;
9506 } else if (fromY == 7 && fromX == 3
9507 && board[fromY][fromX] == BlackKing
9508 && toY == 7 && toX == 1) {
9509 board[fromY][fromX] = EmptySquare;
9510 board[toY][toX] = BlackKing;
9511 board[fromY][0] = EmptySquare;
9512 board[toY][2] = BlackRook;
9513 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9514 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9515 && toY < promoRank && promoChar
9517 /* black pawn promotion */
9518 board[toY][toX] = CharToPiece(ToLower(promoChar));
9519 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9520 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9521 board[fromY][fromX] = EmptySquare;
9522 } else if ((fromY < BOARD_HEIGHT>>1)
9524 && gameInfo.variant != VariantXiangqi
9525 && gameInfo.variant != VariantBerolina
9526 && (board[fromY][fromX] == BlackPawn)
9527 && (board[toY][toX] == EmptySquare)) {
9528 board[fromY][fromX] = EmptySquare;
9529 board[toY][toX] = BlackPawn;
9530 captured = board[toY + 1][toX];
9531 board[toY + 1][toX] = EmptySquare;
9532 } else if ((fromY == 3)
9534 && gameInfo.variant == VariantBerolina
9535 && (board[fromY][fromX] == BlackPawn)
9536 && (board[toY][toX] == EmptySquare)) {
9537 board[fromY][fromX] = EmptySquare;
9538 board[toY][toX] = BlackPawn;
9539 if(oldEP & EP_BEROLIN_A) {
9540 captured = board[fromY][fromX-1];
9541 board[fromY][fromX-1] = EmptySquare;
9542 }else{ captured = board[fromY][fromX+1];
9543 board[fromY][fromX+1] = EmptySquare;
9546 board[toY][toX] = board[fromY][fromX];
9547 board[fromY][fromX] = EmptySquare;
9551 if (gameInfo.holdingsWidth != 0) {
9553 /* !!A lot more code needs to be written to support holdings */
9554 /* [HGM] OK, so I have written it. Holdings are stored in the */
9555 /* penultimate board files, so they are automaticlly stored */
9556 /* in the game history. */
9557 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9558 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9559 /* Delete from holdings, by decreasing count */
9560 /* and erasing image if necessary */
9561 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9562 if(p < (int) BlackPawn) { /* white drop */
9563 p -= (int)WhitePawn;
9564 p = PieceToNumber((ChessSquare)p);
9565 if(p >= gameInfo.holdingsSize) p = 0;
9566 if(--board[p][BOARD_WIDTH-2] <= 0)
9567 board[p][BOARD_WIDTH-1] = EmptySquare;
9568 if((int)board[p][BOARD_WIDTH-2] < 0)
9569 board[p][BOARD_WIDTH-2] = 0;
9570 } else { /* black drop */
9571 p -= (int)BlackPawn;
9572 p = PieceToNumber((ChessSquare)p);
9573 if(p >= gameInfo.holdingsSize) p = 0;
9574 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9575 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9576 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9577 board[BOARD_HEIGHT-1-p][1] = 0;
9580 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9581 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9582 /* [HGM] holdings: Add to holdings, if holdings exist */
9583 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9584 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9585 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9588 if (p >= (int) BlackPawn) {
9589 p -= (int)BlackPawn;
9590 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9591 /* in Shogi restore piece to its original first */
9592 captured = (ChessSquare) (DEMOTED captured);
9595 p = PieceToNumber((ChessSquare)p);
9596 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9597 board[p][BOARD_WIDTH-2]++;
9598 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9600 p -= (int)WhitePawn;
9601 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9602 captured = (ChessSquare) (DEMOTED captured);
9605 p = PieceToNumber((ChessSquare)p);
9606 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9607 board[BOARD_HEIGHT-1-p][1]++;
9608 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9611 } else if (gameInfo.variant == VariantAtomic) {
9612 if (captured != EmptySquare) {
9614 for (y = toY-1; y <= toY+1; y++) {
9615 for (x = toX-1; x <= toX+1; x++) {
9616 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9617 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9618 board[y][x] = EmptySquare;
9622 board[toY][toX] = EmptySquare;
9625 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9626 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9628 if(promoChar == '+') {
9629 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9630 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9631 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9632 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9633 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9634 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9635 board[toY][toX] = newPiece;
9637 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9638 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9639 // [HGM] superchess: take promotion piece out of holdings
9640 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9641 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9642 if(!--board[k][BOARD_WIDTH-2])
9643 board[k][BOARD_WIDTH-1] = EmptySquare;
9645 if(!--board[BOARD_HEIGHT-1-k][1])
9646 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9652 /* Updates forwardMostMove */
9654 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9656 // forwardMostMove++; // [HGM] bare: moved downstream
9658 (void) CoordsToAlgebraic(boards[forwardMostMove],
9659 PosFlags(forwardMostMove),
9660 fromY, fromX, toY, toX, promoChar,
9661 parseList[forwardMostMove]);
9663 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9664 int timeLeft; static int lastLoadFlag=0; int king, piece;
9665 piece = boards[forwardMostMove][fromY][fromX];
9666 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9667 if(gameInfo.variant == VariantKnightmate)
9668 king += (int) WhiteUnicorn - (int) WhiteKing;
9669 if(forwardMostMove == 0) {
9670 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9671 fprintf(serverMoves, "%s;", UserName());
9672 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9673 fprintf(serverMoves, "%s;", second.tidy);
9674 fprintf(serverMoves, "%s;", first.tidy);
9675 if(gameMode == MachinePlaysWhite)
9676 fprintf(serverMoves, "%s;", UserName());
9677 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9678 fprintf(serverMoves, "%s;", second.tidy);
9679 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9680 lastLoadFlag = loadFlag;
9682 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9683 // print castling suffix
9684 if( toY == fromY && piece == king ) {
9686 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9688 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9691 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9692 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9693 boards[forwardMostMove][toY][toX] == EmptySquare
9694 && fromX != toX && fromY != toY)
9695 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9697 if(promoChar != NULLCHAR) {
9698 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9699 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9700 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9701 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9704 char buf[MOVE_LEN*2], *p; int len;
9705 fprintf(serverMoves, "/%d/%d",
9706 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9707 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9708 else timeLeft = blackTimeRemaining/1000;
9709 fprintf(serverMoves, "/%d", timeLeft);
9710 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9711 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9712 if(p = strchr(buf, '=')) *p = NULLCHAR;
9713 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9714 fprintf(serverMoves, "/%s", buf);
9716 fflush(serverMoves);
9719 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9720 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9723 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9724 if (commentList[forwardMostMove+1] != NULL) {
9725 free(commentList[forwardMostMove+1]);
9726 commentList[forwardMostMove+1] = NULL;
9728 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9729 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9730 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9731 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9732 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9733 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9734 adjustedClock = FALSE;
9735 gameInfo.result = GameUnfinished;
9736 if (gameInfo.resultDetails != NULL) {
9737 free(gameInfo.resultDetails);
9738 gameInfo.resultDetails = NULL;
9740 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9741 moveList[forwardMostMove - 1]);
9742 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9748 if(gameInfo.variant != VariantShogi)
9749 strcat(parseList[forwardMostMove - 1], "+");
9753 strcat(parseList[forwardMostMove - 1], "#");
9759 /* Updates currentMove if not pausing */
9761 ShowMove (int fromX, int fromY, int toX, int toY)
9763 int instant = (gameMode == PlayFromGameFile) ?
9764 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9765 if(appData.noGUI) return;
9766 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9768 if (forwardMostMove == currentMove + 1) {
9769 AnimateMove(boards[forwardMostMove - 1],
9770 fromX, fromY, toX, toY);
9773 currentMove = forwardMostMove;
9776 if (instant) return;
9778 DisplayMove(currentMove - 1);
9779 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9780 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9781 SetHighlights(fromX, fromY, toX, toY);
9784 DrawPosition(FALSE, boards[currentMove]);
9785 DisplayBothClocks();
9786 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9790 SendEgtPath (ChessProgramState *cps)
9791 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9792 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9794 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9797 char c, *q = name+1, *r, *s;
9799 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9800 while(*p && *p != ',') *q++ = *p++;
9802 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9803 strcmp(name, ",nalimov:") == 0 ) {
9804 // take nalimov path from the menu-changeable option first, if it is defined
9805 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9806 SendToProgram(buf,cps); // send egtbpath command for nalimov
9808 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9809 (s = StrStr(appData.egtFormats, name)) != NULL) {
9810 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9811 s = r = StrStr(s, ":") + 1; // beginning of path info
9812 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9813 c = *r; *r = 0; // temporarily null-terminate path info
9814 *--q = 0; // strip of trailig ':' from name
9815 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9817 SendToProgram(buf,cps); // send egtbpath command for this format
9819 if(*p == ',') p++; // read away comma to position for next format name
9824 InitChessProgram (ChessProgramState *cps, int setup)
9825 /* setup needed to setup FRC opening position */
9827 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9828 if (appData.noChessProgram) return;
9829 hintRequested = FALSE;
9830 bookRequested = FALSE;
9832 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9833 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9834 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9835 if(cps->memSize) { /* [HGM] memory */
9836 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9837 SendToProgram(buf, cps);
9839 SendEgtPath(cps); /* [HGM] EGT */
9840 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9841 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9842 SendToProgram(buf, cps);
9845 SendToProgram(cps->initString, cps);
9846 if (gameInfo.variant != VariantNormal &&
9847 gameInfo.variant != VariantLoadable
9848 /* [HGM] also send variant if board size non-standard */
9849 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9851 char *v = VariantName(gameInfo.variant);
9852 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9853 /* [HGM] in protocol 1 we have to assume all variants valid */
9854 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9855 DisplayFatalError(buf, 0, 1);
9859 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9860 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9861 if( gameInfo.variant == VariantXiangqi )
9862 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9863 if( gameInfo.variant == VariantShogi )
9864 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9865 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9866 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9867 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9868 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9869 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9870 if( gameInfo.variant == VariantCourier )
9871 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9872 if( gameInfo.variant == VariantSuper )
9873 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9874 if( gameInfo.variant == VariantGreat )
9875 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9876 if( gameInfo.variant == VariantSChess )
9877 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9878 if( gameInfo.variant == VariantGrand )
9879 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9882 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9883 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9884 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9885 if(StrStr(cps->variants, b) == NULL) {
9886 // specific sized variant not known, check if general sizing allowed
9887 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9888 if(StrStr(cps->variants, "boardsize") == NULL) {
9889 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9890 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9891 DisplayFatalError(buf, 0, 1);
9894 /* [HGM] here we really should compare with the maximum supported board size */
9897 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9898 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9899 SendToProgram(buf, cps);
9901 currentlyInitializedVariant = gameInfo.variant;
9903 /* [HGM] send opening position in FRC to first engine */
9905 SendToProgram("force\n", cps);
9907 /* engine is now in force mode! Set flag to wake it up after first move. */
9908 setboardSpoiledMachineBlack = 1;
9912 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9913 SendToProgram(buf, cps);
9915 cps->maybeThinking = FALSE;
9916 cps->offeredDraw = 0;
9917 if (!appData.icsActive) {
9918 SendTimeControl(cps, movesPerSession, timeControl,
9919 timeIncrement, appData.searchDepth,
9922 if (appData.showThinking
9923 // [HGM] thinking: four options require thinking output to be sent
9924 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9926 SendToProgram("post\n", cps);
9928 SendToProgram("hard\n", cps);
9929 if (!appData.ponderNextMove) {
9930 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9931 it without being sure what state we are in first. "hard"
9932 is not a toggle, so that one is OK.
9934 SendToProgram("easy\n", cps);
9937 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9938 SendToProgram(buf, cps);
9940 cps->initDone = TRUE;
9941 ClearEngineOutputPane(cps == &second);
9946 ResendOptions (ChessProgramState *cps)
9947 { // send the stored value of the options
9950 Option *opt = cps->option;
9951 for(i=0; i<cps->nrOptions; i++, opt++) {
9956 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
9959 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
9962 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
9968 SendToProgram(buf, cps);
9973 StartChessProgram (ChessProgramState *cps)
9978 if (appData.noChessProgram) return;
9979 cps->initDone = FALSE;
9981 if (strcmp(cps->host, "localhost") == 0) {
9982 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9983 } else if (*appData.remoteShell == NULLCHAR) {
9984 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9986 if (*appData.remoteUser == NULLCHAR) {
9987 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9990 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9991 cps->host, appData.remoteUser, cps->program);
9993 err = StartChildProcess(buf, "", &cps->pr);
9997 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9998 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9999 if(cps != &first) return;
10000 appData.noChessProgram = TRUE;
10003 // DisplayFatalError(buf, err, 1);
10004 // cps->pr = NoProc;
10005 // cps->isr = NULL;
10009 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10010 if (cps->protocolVersion > 1) {
10011 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10012 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10013 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10014 cps->comboCnt = 0; // and values of combo boxes
10016 SendToProgram(buf, cps);
10017 if(cps->reload) ResendOptions(cps);
10019 SendToProgram("xboard\n", cps);
10024 TwoMachinesEventIfReady P((void))
10026 static int curMess = 0;
10027 if (first.lastPing != first.lastPong) {
10028 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10029 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10032 if (second.lastPing != second.lastPong) {
10033 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10034 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10037 DisplayMessage("", ""); curMess = 0;
10039 TwoMachinesEvent();
10043 MakeName (char *template)
10047 static char buf[MSG_SIZ];
10051 clock = time((time_t *)NULL);
10052 tm = localtime(&clock);
10054 while(*p++ = *template++) if(p[-1] == '%') {
10055 switch(*template++) {
10056 case 0: *p = 0; return buf;
10057 case 'Y': i = tm->tm_year+1900; break;
10058 case 'y': i = tm->tm_year-100; break;
10059 case 'M': i = tm->tm_mon+1; break;
10060 case 'd': i = tm->tm_mday; break;
10061 case 'h': i = tm->tm_hour; break;
10062 case 'm': i = tm->tm_min; break;
10063 case 's': i = tm->tm_sec; break;
10066 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10072 CountPlayers (char *p)
10075 while(p = strchr(p, '\n')) p++, n++; // count participants
10080 WriteTourneyFile (char *results, FILE *f)
10081 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10082 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10083 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10084 // create a file with tournament description
10085 fprintf(f, "-participants {%s}\n", appData.participants);
10086 fprintf(f, "-seedBase %d\n", appData.seedBase);
10087 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10088 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10089 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10090 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10091 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10092 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10093 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10094 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10095 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10096 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10097 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10098 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10099 fprintf(f, "-polyglotBook %s\n", appData.polyglotBook);
10100 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10101 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10102 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10103 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10104 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10105 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10106 fprintf(f, "-smpCores %d\n", appData.smpCores);
10108 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10110 fprintf(f, "-mps %d\n", appData.movesPerSession);
10111 fprintf(f, "-tc %s\n", appData.timeControl);
10112 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10114 fprintf(f, "-results \"%s\"\n", results);
10119 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10122 Substitute (char *participants, int expunge)
10124 int i, changed, changes=0, nPlayers=0;
10125 char *p, *q, *r, buf[MSG_SIZ];
10126 if(participants == NULL) return;
10127 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10128 r = p = participants; q = appData.participants;
10129 while(*p && *p == *q) {
10130 if(*p == '\n') r = p+1, nPlayers++;
10133 if(*p) { // difference
10134 while(*p && *p++ != '\n');
10135 while(*q && *q++ != '\n');
10136 changed = nPlayers;
10137 changes = 1 + (strcmp(p, q) != 0);
10139 if(changes == 1) { // a single engine mnemonic was changed
10140 q = r; while(*q) nPlayers += (*q++ == '\n');
10141 p = buf; while(*r && (*p = *r++) != '\n') p++;
10143 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10144 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10145 if(mnemonic[i]) { // The substitute is valid
10147 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10148 flock(fileno(f), LOCK_EX);
10149 ParseArgsFromFile(f);
10150 fseek(f, 0, SEEK_SET);
10151 FREE(appData.participants); appData.participants = participants;
10152 if(expunge) { // erase results of replaced engine
10153 int len = strlen(appData.results), w, b, dummy;
10154 for(i=0; i<len; i++) {
10155 Pairing(i, nPlayers, &w, &b, &dummy);
10156 if((w == changed || b == changed) && appData.results[i] == '*') {
10157 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10162 for(i=0; i<len; i++) {
10163 Pairing(i, nPlayers, &w, &b, &dummy);
10164 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10167 WriteTourneyFile(appData.results, f);
10168 fclose(f); // release lock
10171 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10173 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10174 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10175 free(participants);
10180 CheckPlayers (char *participants)
10183 char buf[MSG_SIZ], *p;
10184 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10185 while(p = strchr(participants, '\n')) {
10187 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10189 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10191 DisplayError(buf, 0);
10195 participants = p + 1;
10201 CreateTourney (char *name)
10204 if(matchMode && strcmp(name, appData.tourneyFile)) {
10205 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10207 if(name[0] == NULLCHAR) {
10208 if(appData.participants[0])
10209 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10212 f = fopen(name, "r");
10213 if(f) { // file exists
10214 ASSIGN(appData.tourneyFile, name);
10215 ParseArgsFromFile(f); // parse it
10217 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10218 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10219 DisplayError(_("Not enough participants"), 0);
10222 if(CheckPlayers(appData.participants)) return 0;
10223 ASSIGN(appData.tourneyFile, name);
10224 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10225 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10228 appData.noChessProgram = FALSE;
10229 appData.clockMode = TRUE;
10235 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10237 char buf[MSG_SIZ], *p, *q;
10238 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10239 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10240 skip = !all && group[0]; // if group requested, we start in skip mode
10241 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10242 p = names; q = buf; header = 0;
10243 while(*p && *p != '\n') *q++ = *p++;
10245 if(*p == '\n') p++;
10246 if(buf[0] == '#') {
10247 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10248 depth++; // we must be entering a new group
10249 if(all) continue; // suppress printing group headers when complete list requested
10251 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10253 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10254 if(engineList[i]) free(engineList[i]);
10255 engineList[i] = strdup(buf);
10256 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10257 if(engineMnemonic[i]) free(engineMnemonic[i]);
10258 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10260 sscanf(q + 8, "%s", buf + strlen(buf));
10263 engineMnemonic[i] = strdup(buf);
10266 engineList[i] = engineMnemonic[i] = NULL;
10270 // following implemented as macro to avoid type limitations
10271 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10274 SwapEngines (int n)
10275 { // swap settings for first engine and other engine (so far only some selected options)
10280 SWAP(chessProgram, p)
10282 SWAP(hasOwnBookUCI, h)
10283 SWAP(protocolVersion, h)
10285 SWAP(scoreIsAbsolute, h)
10290 SWAP(engOptions, p)
10291 SWAP(engInitString, p)
10292 SWAP(computerString, p)
10294 SWAP(fenOverride, p)
10296 SWAP(accumulateTC, h)
10301 GetEngineLine (char *s, int n)
10305 extern char *icsNames;
10306 if(!s || !*s) return 0;
10307 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10308 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10309 if(!mnemonic[i]) return 0;
10310 if(n == 11) return 1; // just testing if there was a match
10311 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10312 if(n == 1) SwapEngines(n);
10313 ParseArgsFromString(buf);
10314 if(n == 1) SwapEngines(n);
10315 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10316 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10317 ParseArgsFromString(buf);
10323 SetPlayer (int player, char *p)
10324 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10326 char buf[MSG_SIZ], *engineName;
10327 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10328 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10329 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10331 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10332 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10333 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10334 ParseArgsFromString(buf);
10340 char *recentEngines;
10343 RecentEngineEvent (int nr)
10346 // SwapEngines(1); // bump first to second
10347 // ReplaceEngine(&second, 1); // and load it there
10348 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10349 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10350 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10351 ReplaceEngine(&first, 0);
10352 FloatToFront(&appData.recentEngineList, command[n]);
10357 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10358 { // determine players from game number
10359 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10361 if(appData.tourneyType == 0) {
10362 roundsPerCycle = (nPlayers - 1) | 1;
10363 pairingsPerRound = nPlayers / 2;
10364 } else if(appData.tourneyType > 0) {
10365 roundsPerCycle = nPlayers - appData.tourneyType;
10366 pairingsPerRound = appData.tourneyType;
10368 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10369 gamesPerCycle = gamesPerRound * roundsPerCycle;
10370 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10371 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10372 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10373 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10374 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10375 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10377 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10378 if(appData.roundSync) *syncInterval = gamesPerRound;
10380 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10382 if(appData.tourneyType == 0) {
10383 if(curPairing == (nPlayers-1)/2 ) {
10384 *whitePlayer = curRound;
10385 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10387 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10388 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10389 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10390 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10392 } else if(appData.tourneyType > 1) {
10393 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10394 *whitePlayer = curRound + appData.tourneyType;
10395 } else if(appData.tourneyType > 0) {
10396 *whitePlayer = curPairing;
10397 *blackPlayer = curRound + appData.tourneyType;
10400 // take care of white/black alternation per round.
10401 // For cycles and games this is already taken care of by default, derived from matchGame!
10402 return curRound & 1;
10406 NextTourneyGame (int nr, int *swapColors)
10407 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10409 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10411 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10412 tf = fopen(appData.tourneyFile, "r");
10413 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10414 ParseArgsFromFile(tf); fclose(tf);
10415 InitTimeControls(); // TC might be altered from tourney file
10417 nPlayers = CountPlayers(appData.participants); // count participants
10418 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10419 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10422 p = q = appData.results;
10423 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10424 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10425 DisplayMessage(_("Waiting for other game(s)"),"");
10426 waitingForGame = TRUE;
10427 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10430 waitingForGame = FALSE;
10433 if(appData.tourneyType < 0) {
10434 if(nr>=0 && !pairingReceived) {
10436 if(pairing.pr == NoProc) {
10437 if(!appData.pairingEngine[0]) {
10438 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10441 StartChessProgram(&pairing); // starts the pairing engine
10443 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10444 SendToProgram(buf, &pairing);
10445 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10446 SendToProgram(buf, &pairing);
10447 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10449 pairingReceived = 0; // ... so we continue here
10451 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10452 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10453 matchGame = 1; roundNr = nr / syncInterval + 1;
10456 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10458 // redefine engines, engine dir, etc.
10459 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10460 if(first.pr == NoProc) {
10461 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10462 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10464 if(second.pr == NoProc) {
10466 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10467 SwapEngines(1); // and make that valid for second engine by swapping
10468 InitEngine(&second, 1);
10470 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10471 UpdateLogos(FALSE); // leave display to ModeHiglight()
10477 { // performs game initialization that does not invoke engines, and then tries to start the game
10478 int res, firstWhite, swapColors = 0;
10479 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10480 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
10482 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10483 if(strcmp(buf, currentDebugFile)) { // name has changed
10484 FILE *f = fopen(buf, "w");
10485 if(f) { // if opening the new file failed, just keep using the old one
10486 ASSIGN(currentDebugFile, buf);
10490 if(appData.serverFileName) {
10491 if(serverFP) fclose(serverFP);
10492 serverFP = fopen(appData.serverFileName, "w");
10493 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10494 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10498 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10499 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10500 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10501 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10502 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10503 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10504 Reset(FALSE, first.pr != NoProc);
10505 res = LoadGameOrPosition(matchGame); // setup game
10506 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10507 if(!res) return; // abort when bad game/pos file
10508 TwoMachinesEvent();
10512 UserAdjudicationEvent (int result)
10514 ChessMove gameResult = GameIsDrawn;
10517 gameResult = WhiteWins;
10519 else if( result < 0 ) {
10520 gameResult = BlackWins;
10523 if( gameMode == TwoMachinesPlay ) {
10524 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10529 // [HGM] save: calculate checksum of game to make games easily identifiable
10531 StringCheckSum (char *s)
10534 if(s==NULL) return 0;
10535 while(*s) i = i*259 + *s++;
10543 for(i=backwardMostMove; i<forwardMostMove; i++) {
10544 sum += pvInfoList[i].depth;
10545 sum += StringCheckSum(parseList[i]);
10546 sum += StringCheckSum(commentList[i]);
10549 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10550 return sum + StringCheckSum(commentList[i]);
10551 } // end of save patch
10554 GameEnds (ChessMove result, char *resultDetails, int whosays)
10556 GameMode nextGameMode;
10558 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10560 if(endingGame) return; /* [HGM] crash: forbid recursion */
10562 if(twoBoards) { // [HGM] dual: switch back to one board
10563 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10564 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10566 if (appData.debugMode) {
10567 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10568 result, resultDetails ? resultDetails : "(null)", whosays);
10571 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10573 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10575 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10576 /* If we are playing on ICS, the server decides when the
10577 game is over, but the engine can offer to draw, claim
10581 if (appData.zippyPlay && first.initDone) {
10582 if (result == GameIsDrawn) {
10583 /* In case draw still needs to be claimed */
10584 SendToICS(ics_prefix);
10585 SendToICS("draw\n");
10586 } else if (StrCaseStr(resultDetails, "resign")) {
10587 SendToICS(ics_prefix);
10588 SendToICS("resign\n");
10592 endingGame = 0; /* [HGM] crash */
10596 /* If we're loading the game from a file, stop */
10597 if (whosays == GE_FILE) {
10598 (void) StopLoadGameTimer();
10602 /* Cancel draw offers */
10603 first.offeredDraw = second.offeredDraw = 0;
10605 /* If this is an ICS game, only ICS can really say it's done;
10606 if not, anyone can. */
10607 isIcsGame = (gameMode == IcsPlayingWhite ||
10608 gameMode == IcsPlayingBlack ||
10609 gameMode == IcsObserving ||
10610 gameMode == IcsExamining);
10612 if (!isIcsGame || whosays == GE_ICS) {
10613 /* OK -- not an ICS game, or ICS said it was done */
10615 if (!isIcsGame && !appData.noChessProgram)
10616 SetUserThinkingEnables();
10618 /* [HGM] if a machine claims the game end we verify this claim */
10619 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10620 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10622 ChessMove trueResult = (ChessMove) -1;
10624 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10625 first.twoMachinesColor[0] :
10626 second.twoMachinesColor[0] ;
10628 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10629 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10630 /* [HGM] verify: engine mate claims accepted if they were flagged */
10631 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10633 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10634 /* [HGM] verify: engine mate claims accepted if they were flagged */
10635 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10637 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10638 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10641 // now verify win claims, but not in drop games, as we don't understand those yet
10642 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10643 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10644 (result == WhiteWins && claimer == 'w' ||
10645 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10646 if (appData.debugMode) {
10647 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10648 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10650 if(result != trueResult) {
10651 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10652 result = claimer == 'w' ? BlackWins : WhiteWins;
10653 resultDetails = buf;
10656 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10657 && (forwardMostMove <= backwardMostMove ||
10658 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10659 (claimer=='b')==(forwardMostMove&1))
10661 /* [HGM] verify: draws that were not flagged are false claims */
10662 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10663 result = claimer == 'w' ? BlackWins : WhiteWins;
10664 resultDetails = buf;
10666 /* (Claiming a loss is accepted no questions asked!) */
10667 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10668 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10669 result = GameUnfinished;
10670 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10672 /* [HGM] bare: don't allow bare King to win */
10673 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10674 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10675 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10676 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10677 && result != GameIsDrawn)
10678 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10679 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10680 int p = (signed char)boards[forwardMostMove][i][j] - color;
10681 if(p >= 0 && p <= (int)WhiteKing) k++;
10683 if (appData.debugMode) {
10684 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10685 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10688 result = GameIsDrawn;
10689 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10690 resultDetails = buf;
10696 if(serverMoves != NULL && !loadFlag) { char c = '=';
10697 if(result==WhiteWins) c = '+';
10698 if(result==BlackWins) c = '-';
10699 if(resultDetails != NULL)
10700 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10702 if (resultDetails != NULL) {
10703 gameInfo.result = result;
10704 gameInfo.resultDetails = StrSave(resultDetails);
10706 /* display last move only if game was not loaded from file */
10707 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10708 DisplayMove(currentMove - 1);
10710 if (forwardMostMove != 0) {
10711 if (gameMode != PlayFromGameFile && gameMode != EditGame
10712 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10714 if (*appData.saveGameFile != NULLCHAR) {
10715 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10716 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10718 SaveGameToFile(appData.saveGameFile, TRUE);
10719 } else if (appData.autoSaveGames) {
10722 if (*appData.savePositionFile != NULLCHAR) {
10723 SavePositionToFile(appData.savePositionFile);
10725 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10729 /* Tell program how game ended in case it is learning */
10730 /* [HGM] Moved this to after saving the PGN, just in case */
10731 /* engine died and we got here through time loss. In that */
10732 /* case we will get a fatal error writing the pipe, which */
10733 /* would otherwise lose us the PGN. */
10734 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10735 /* output during GameEnds should never be fatal anymore */
10736 if (gameMode == MachinePlaysWhite ||
10737 gameMode == MachinePlaysBlack ||
10738 gameMode == TwoMachinesPlay ||
10739 gameMode == IcsPlayingWhite ||
10740 gameMode == IcsPlayingBlack ||
10741 gameMode == BeginningOfGame) {
10743 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10745 if (first.pr != NoProc) {
10746 SendToProgram(buf, &first);
10748 if (second.pr != NoProc &&
10749 gameMode == TwoMachinesPlay) {
10750 SendToProgram(buf, &second);
10755 if (appData.icsActive) {
10756 if (appData.quietPlay &&
10757 (gameMode == IcsPlayingWhite ||
10758 gameMode == IcsPlayingBlack)) {
10759 SendToICS(ics_prefix);
10760 SendToICS("set shout 1\n");
10762 nextGameMode = IcsIdle;
10763 ics_user_moved = FALSE;
10764 /* clean up premove. It's ugly when the game has ended and the
10765 * premove highlights are still on the board.
10768 gotPremove = FALSE;
10769 ClearPremoveHighlights();
10770 DrawPosition(FALSE, boards[currentMove]);
10772 if (whosays == GE_ICS) {
10775 if (gameMode == IcsPlayingWhite)
10777 else if(gameMode == IcsPlayingBlack)
10778 PlayIcsLossSound();
10781 if (gameMode == IcsPlayingBlack)
10783 else if(gameMode == IcsPlayingWhite)
10784 PlayIcsLossSound();
10787 PlayIcsDrawSound();
10790 PlayIcsUnfinishedSound();
10793 } else if (gameMode == EditGame ||
10794 gameMode == PlayFromGameFile ||
10795 gameMode == AnalyzeMode ||
10796 gameMode == AnalyzeFile) {
10797 nextGameMode = gameMode;
10799 nextGameMode = EndOfGame;
10804 nextGameMode = gameMode;
10807 if (appData.noChessProgram) {
10808 gameMode = nextGameMode;
10810 endingGame = 0; /* [HGM] crash */
10815 /* Put first chess program into idle state */
10816 if (first.pr != NoProc &&
10817 (gameMode == MachinePlaysWhite ||
10818 gameMode == MachinePlaysBlack ||
10819 gameMode == TwoMachinesPlay ||
10820 gameMode == IcsPlayingWhite ||
10821 gameMode == IcsPlayingBlack ||
10822 gameMode == BeginningOfGame)) {
10823 SendToProgram("force\n", &first);
10824 if (first.usePing) {
10826 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10827 SendToProgram(buf, &first);
10830 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10831 /* Kill off first chess program */
10832 if (first.isr != NULL)
10833 RemoveInputSource(first.isr);
10836 if (first.pr != NoProc) {
10838 DoSleep( appData.delayBeforeQuit );
10839 SendToProgram("quit\n", &first);
10840 DoSleep( appData.delayAfterQuit );
10841 DestroyChildProcess(first.pr, first.useSigterm);
10842 first.reload = TRUE;
10846 if (second.reuse) {
10847 /* Put second chess program into idle state */
10848 if (second.pr != NoProc &&
10849 gameMode == TwoMachinesPlay) {
10850 SendToProgram("force\n", &second);
10851 if (second.usePing) {
10853 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10854 SendToProgram(buf, &second);
10857 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10858 /* Kill off second chess program */
10859 if (second.isr != NULL)
10860 RemoveInputSource(second.isr);
10863 if (second.pr != NoProc) {
10864 DoSleep( appData.delayBeforeQuit );
10865 SendToProgram("quit\n", &second);
10866 DoSleep( appData.delayAfterQuit );
10867 DestroyChildProcess(second.pr, second.useSigterm);
10868 second.reload = TRUE;
10870 second.pr = NoProc;
10873 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10874 char resChar = '=';
10878 if (first.twoMachinesColor[0] == 'w') {
10881 second.matchWins++;
10886 if (first.twoMachinesColor[0] == 'b') {
10889 second.matchWins++;
10892 case GameUnfinished:
10898 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10899 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10900 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10901 ReserveGame(nextGame, resChar); // sets nextGame
10902 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10903 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10904 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10906 if (nextGame <= appData.matchGames && !abortMatch) {
10907 gameMode = nextGameMode;
10908 matchGame = nextGame; // this will be overruled in tourney mode!
10909 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10910 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10911 endingGame = 0; /* [HGM] crash */
10914 gameMode = nextGameMode;
10915 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10916 first.tidy, second.tidy,
10917 first.matchWins, second.matchWins,
10918 appData.matchGames - (first.matchWins + second.matchWins));
10919 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10920 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10921 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10922 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10923 first.twoMachinesColor = "black\n";
10924 second.twoMachinesColor = "white\n";
10926 first.twoMachinesColor = "white\n";
10927 second.twoMachinesColor = "black\n";
10931 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10932 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10934 gameMode = nextGameMode;
10936 endingGame = 0; /* [HGM] crash */
10937 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10938 if(matchMode == TRUE) { // match through command line: exit with or without popup
10940 ToNrEvent(forwardMostMove);
10941 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10943 } else DisplayFatalError(buf, 0, 0);
10944 } else { // match through menu; just stop, with or without popup
10945 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10948 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10949 } else DisplayNote(buf);
10951 if(ranking) free(ranking);
10955 /* Assumes program was just initialized (initString sent).
10956 Leaves program in force mode. */
10958 FeedMovesToProgram (ChessProgramState *cps, int upto)
10962 if (appData.debugMode)
10963 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10964 startedFromSetupPosition ? "position and " : "",
10965 backwardMostMove, upto, cps->which);
10966 if(currentlyInitializedVariant != gameInfo.variant) {
10968 // [HGM] variantswitch: make engine aware of new variant
10969 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10970 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10971 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10972 SendToProgram(buf, cps);
10973 currentlyInitializedVariant = gameInfo.variant;
10975 SendToProgram("force\n", cps);
10976 if (startedFromSetupPosition) {
10977 SendBoard(cps, backwardMostMove);
10978 if (appData.debugMode) {
10979 fprintf(debugFP, "feedMoves\n");
10982 for (i = backwardMostMove; i < upto; i++) {
10983 SendMoveToProgram(i, cps);
10989 ResurrectChessProgram ()
10991 /* The chess program may have exited.
10992 If so, restart it and feed it all the moves made so far. */
10993 static int doInit = 0;
10995 if (appData.noChessProgram) return 1;
10997 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10998 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10999 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11000 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11002 if (first.pr != NoProc) return 1;
11003 StartChessProgram(&first);
11005 InitChessProgram(&first, FALSE);
11006 FeedMovesToProgram(&first, currentMove);
11008 if (!first.sendTime) {
11009 /* can't tell gnuchess what its clock should read,
11010 so we bow to its notion. */
11012 timeRemaining[0][currentMove] = whiteTimeRemaining;
11013 timeRemaining[1][currentMove] = blackTimeRemaining;
11016 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11017 appData.icsEngineAnalyze) && first.analysisSupport) {
11018 SendToProgram("analyze\n", &first);
11019 first.analyzing = TRUE;
11025 * Button procedures
11028 Reset (int redraw, int init)
11032 if (appData.debugMode) {
11033 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11034 redraw, init, gameMode);
11036 CleanupTail(); // [HGM] vari: delete any stored variations
11037 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11038 pausing = pauseExamInvalid = FALSE;
11039 startedFromSetupPosition = blackPlaysFirst = FALSE;
11041 whiteFlag = blackFlag = FALSE;
11042 userOfferedDraw = FALSE;
11043 hintRequested = bookRequested = FALSE;
11044 first.maybeThinking = FALSE;
11045 second.maybeThinking = FALSE;
11046 first.bookSuspend = FALSE; // [HGM] book
11047 second.bookSuspend = FALSE;
11048 thinkOutput[0] = NULLCHAR;
11049 lastHint[0] = NULLCHAR;
11050 ClearGameInfo(&gameInfo);
11051 gameInfo.variant = StringToVariant(appData.variant);
11052 ics_user_moved = ics_clock_paused = FALSE;
11053 ics_getting_history = H_FALSE;
11055 white_holding[0] = black_holding[0] = NULLCHAR;
11056 ClearProgramStats();
11057 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11061 flipView = appData.flipView;
11062 ClearPremoveHighlights();
11063 gotPremove = FALSE;
11064 alarmSounded = FALSE;
11066 GameEnds(EndOfFile, NULL, GE_PLAYER);
11067 if(appData.serverMovesName != NULL) {
11068 /* [HGM] prepare to make moves file for broadcasting */
11069 clock_t t = clock();
11070 if(serverMoves != NULL) fclose(serverMoves);
11071 serverMoves = fopen(appData.serverMovesName, "r");
11072 if(serverMoves != NULL) {
11073 fclose(serverMoves);
11074 /* delay 15 sec before overwriting, so all clients can see end */
11075 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11077 serverMoves = fopen(appData.serverMovesName, "w");
11081 gameMode = BeginningOfGame;
11083 if(appData.icsActive) gameInfo.variant = VariantNormal;
11084 currentMove = forwardMostMove = backwardMostMove = 0;
11085 MarkTargetSquares(1);
11086 InitPosition(redraw);
11087 for (i = 0; i < MAX_MOVES; i++) {
11088 if (commentList[i] != NULL) {
11089 free(commentList[i]);
11090 commentList[i] = NULL;
11094 timeRemaining[0][0] = whiteTimeRemaining;
11095 timeRemaining[1][0] = blackTimeRemaining;
11097 if (first.pr == NoProc) {
11098 StartChessProgram(&first);
11101 InitChessProgram(&first, startedFromSetupPosition);
11104 DisplayMessage("", "");
11105 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11106 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11107 ClearMap(); // [HGM] exclude: invalidate map
11111 AutoPlayGameLoop ()
11114 if (!AutoPlayOneMove())
11116 if (matchMode || appData.timeDelay == 0)
11118 if (appData.timeDelay < 0)
11120 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11128 ReloadGame(1); // next game
11134 int fromX, fromY, toX, toY;
11136 if (appData.debugMode) {
11137 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11140 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11143 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11144 pvInfoList[currentMove].depth = programStats.depth;
11145 pvInfoList[currentMove].score = programStats.score;
11146 pvInfoList[currentMove].time = 0;
11147 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11150 if (currentMove >= forwardMostMove) {
11151 if(gameMode == AnalyzeFile) {
11152 if(appData.loadGameIndex == -1) {
11153 GameEnds(EndOfFile, NULL, GE_FILE);
11154 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11156 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11159 // gameMode = EndOfGame;
11160 // ModeHighlight();
11162 /* [AS] Clear current move marker at the end of a game */
11163 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11168 toX = moveList[currentMove][2] - AAA;
11169 toY = moveList[currentMove][3] - ONE;
11171 if (moveList[currentMove][1] == '@') {
11172 if (appData.highlightLastMove) {
11173 SetHighlights(-1, -1, toX, toY);
11176 fromX = moveList[currentMove][0] - AAA;
11177 fromY = moveList[currentMove][1] - ONE;
11179 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11181 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11183 if (appData.highlightLastMove) {
11184 SetHighlights(fromX, fromY, toX, toY);
11187 DisplayMove(currentMove);
11188 SendMoveToProgram(currentMove++, &first);
11189 DisplayBothClocks();
11190 DrawPosition(FALSE, boards[currentMove]);
11191 // [HGM] PV info: always display, routine tests if empty
11192 DisplayComment(currentMove - 1, commentList[currentMove]);
11198 LoadGameOneMove (ChessMove readAhead)
11200 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11201 char promoChar = NULLCHAR;
11202 ChessMove moveType;
11203 char move[MSG_SIZ];
11206 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11207 gameMode != AnalyzeMode && gameMode != Training) {
11212 yyboardindex = forwardMostMove;
11213 if (readAhead != EndOfFile) {
11214 moveType = readAhead;
11216 if (gameFileFP == NULL)
11218 moveType = (ChessMove) Myylex();
11222 switch (moveType) {
11224 if (appData.debugMode)
11225 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11228 /* append the comment but don't display it */
11229 AppendComment(currentMove, p, FALSE);
11232 case WhiteCapturesEnPassant:
11233 case BlackCapturesEnPassant:
11234 case WhitePromotion:
11235 case BlackPromotion:
11236 case WhiteNonPromotion:
11237 case BlackNonPromotion:
11239 case WhiteKingSideCastle:
11240 case WhiteQueenSideCastle:
11241 case BlackKingSideCastle:
11242 case BlackQueenSideCastle:
11243 case WhiteKingSideCastleWild:
11244 case WhiteQueenSideCastleWild:
11245 case BlackKingSideCastleWild:
11246 case BlackQueenSideCastleWild:
11248 case WhiteHSideCastleFR:
11249 case WhiteASideCastleFR:
11250 case BlackHSideCastleFR:
11251 case BlackASideCastleFR:
11253 if (appData.debugMode)
11254 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11255 fromX = currentMoveString[0] - AAA;
11256 fromY = currentMoveString[1] - ONE;
11257 toX = currentMoveString[2] - AAA;
11258 toY = currentMoveString[3] - ONE;
11259 promoChar = currentMoveString[4];
11264 if (appData.debugMode)
11265 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11266 fromX = moveType == WhiteDrop ?
11267 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11268 (int) CharToPiece(ToLower(currentMoveString[0]));
11270 toX = currentMoveString[2] - AAA;
11271 toY = currentMoveString[3] - ONE;
11277 case GameUnfinished:
11278 if (appData.debugMode)
11279 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11280 p = strchr(yy_text, '{');
11281 if (p == NULL) p = strchr(yy_text, '(');
11284 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11286 q = strchr(p, *p == '{' ? '}' : ')');
11287 if (q != NULL) *q = NULLCHAR;
11290 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11291 GameEnds(moveType, p, GE_FILE);
11293 if (cmailMsgLoaded) {
11295 flipView = WhiteOnMove(currentMove);
11296 if (moveType == GameUnfinished) flipView = !flipView;
11297 if (appData.debugMode)
11298 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11303 if (appData.debugMode)
11304 fprintf(debugFP, "Parser hit end of file\n");
11305 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11311 if (WhiteOnMove(currentMove)) {
11312 GameEnds(BlackWins, "Black mates", GE_FILE);
11314 GameEnds(WhiteWins, "White mates", GE_FILE);
11318 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11324 case MoveNumberOne:
11325 if (lastLoadGameStart == GNUChessGame) {
11326 /* GNUChessGames have numbers, but they aren't move numbers */
11327 if (appData.debugMode)
11328 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11329 yy_text, (int) moveType);
11330 return LoadGameOneMove(EndOfFile); /* tail recursion */
11332 /* else fall thru */
11337 /* Reached start of next game in file */
11338 if (appData.debugMode)
11339 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11340 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11346 if (WhiteOnMove(currentMove)) {
11347 GameEnds(BlackWins, "Black mates", GE_FILE);
11349 GameEnds(WhiteWins, "White mates", GE_FILE);
11353 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11359 case PositionDiagram: /* should not happen; ignore */
11360 case ElapsedTime: /* ignore */
11361 case NAG: /* ignore */
11362 if (appData.debugMode)
11363 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11364 yy_text, (int) moveType);
11365 return LoadGameOneMove(EndOfFile); /* tail recursion */
11368 if (appData.testLegality) {
11369 if (appData.debugMode)
11370 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11371 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11372 (forwardMostMove / 2) + 1,
11373 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11374 DisplayError(move, 0);
11377 if (appData.debugMode)
11378 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11379 yy_text, currentMoveString);
11380 fromX = currentMoveString[0] - AAA;
11381 fromY = currentMoveString[1] - ONE;
11382 toX = currentMoveString[2] - AAA;
11383 toY = currentMoveString[3] - ONE;
11384 promoChar = currentMoveString[4];
11388 case AmbiguousMove:
11389 if (appData.debugMode)
11390 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11391 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11392 (forwardMostMove / 2) + 1,
11393 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11394 DisplayError(move, 0);
11399 case ImpossibleMove:
11400 if (appData.debugMode)
11401 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11402 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11403 (forwardMostMove / 2) + 1,
11404 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11405 DisplayError(move, 0);
11411 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11412 DrawPosition(FALSE, boards[currentMove]);
11413 DisplayBothClocks();
11414 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11415 DisplayComment(currentMove - 1, commentList[currentMove]);
11417 (void) StopLoadGameTimer();
11419 cmailOldMove = forwardMostMove;
11422 /* currentMoveString is set as a side-effect of yylex */
11424 thinkOutput[0] = NULLCHAR;
11425 MakeMove(fromX, fromY, toX, toY, promoChar);
11426 currentMove = forwardMostMove;
11431 /* Load the nth game from the given file */
11433 LoadGameFromFile (char *filename, int n, char *title, int useList)
11438 if (strcmp(filename, "-") == 0) {
11442 f = fopen(filename, "rb");
11444 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11445 DisplayError(buf, errno);
11449 if (fseek(f, 0, 0) == -1) {
11450 /* f is not seekable; probably a pipe */
11453 if (useList && n == 0) {
11454 int error = GameListBuild(f);
11456 DisplayError(_("Cannot build game list"), error);
11457 } else if (!ListEmpty(&gameList) &&
11458 ((ListGame *) gameList.tailPred)->number > 1) {
11459 GameListPopUp(f, title);
11466 return LoadGame(f, n, title, FALSE);
11471 MakeRegisteredMove ()
11473 int fromX, fromY, toX, toY;
11475 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11476 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11479 if (appData.debugMode)
11480 fprintf(debugFP, "Restoring %s for game %d\n",
11481 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11483 thinkOutput[0] = NULLCHAR;
11484 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11485 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11486 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11487 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11488 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11489 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11490 MakeMove(fromX, fromY, toX, toY, promoChar);
11491 ShowMove(fromX, fromY, toX, toY);
11493 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11500 if (WhiteOnMove(currentMove)) {
11501 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11503 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11508 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11515 if (WhiteOnMove(currentMove)) {
11516 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11518 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11523 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11534 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11536 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11540 if (gameNumber > nCmailGames) {
11541 DisplayError(_("No more games in this message"), 0);
11544 if (f == lastLoadGameFP) {
11545 int offset = gameNumber - lastLoadGameNumber;
11547 cmailMsg[0] = NULLCHAR;
11548 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11549 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11550 nCmailMovesRegistered--;
11552 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11553 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11554 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11557 if (! RegisterMove()) return FALSE;
11561 retVal = LoadGame(f, gameNumber, title, useList);
11563 /* Make move registered during previous look at this game, if any */
11564 MakeRegisteredMove();
11566 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11567 commentList[currentMove]
11568 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11569 DisplayComment(currentMove - 1, commentList[currentMove]);
11575 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11577 ReloadGame (int offset)
11579 int gameNumber = lastLoadGameNumber + offset;
11580 if (lastLoadGameFP == NULL) {
11581 DisplayError(_("No game has been loaded yet"), 0);
11584 if (gameNumber <= 0) {
11585 DisplayError(_("Can't back up any further"), 0);
11588 if (cmailMsgLoaded) {
11589 return CmailLoadGame(lastLoadGameFP, gameNumber,
11590 lastLoadGameTitle, lastLoadGameUseList);
11592 return LoadGame(lastLoadGameFP, gameNumber,
11593 lastLoadGameTitle, lastLoadGameUseList);
11597 int keys[EmptySquare+1];
11600 PositionMatches (Board b1, Board b2)
11603 switch(appData.searchMode) {
11604 case 1: return CompareWithRights(b1, b2);
11606 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11607 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11611 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11612 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11613 sum += keys[b1[r][f]] - keys[b2[r][f]];
11617 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11618 sum += keys[b1[r][f]] - keys[b2[r][f]];
11630 int pieceList[256], quickBoard[256];
11631 ChessSquare pieceType[256] = { EmptySquare };
11632 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11633 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11634 int soughtTotal, turn;
11635 Boolean epOK, flipSearch;
11638 unsigned char piece, to;
11641 #define DSIZE (250000)
11643 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11644 Move *moveDatabase = initialSpace;
11645 unsigned int movePtr, dataSize = DSIZE;
11648 MakePieceList (Board board, int *counts)
11650 int r, f, n=Q_PROMO, total=0;
11651 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11652 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11653 int sq = f + (r<<4);
11654 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11655 quickBoard[sq] = ++n;
11657 pieceType[n] = board[r][f];
11658 counts[board[r][f]]++;
11659 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11660 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11664 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11669 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11671 int sq = fromX + (fromY<<4);
11672 int piece = quickBoard[sq];
11673 quickBoard[sq] = 0;
11674 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11675 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11676 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11677 moveDatabase[movePtr++].piece = Q_WCASTL;
11678 quickBoard[sq] = piece;
11679 piece = quickBoard[from]; quickBoard[from] = 0;
11680 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11682 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11683 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11684 moveDatabase[movePtr++].piece = Q_BCASTL;
11685 quickBoard[sq] = piece;
11686 piece = quickBoard[from]; quickBoard[from] = 0;
11687 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11689 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11690 quickBoard[(fromY<<4)+toX] = 0;
11691 moveDatabase[movePtr].piece = Q_EP;
11692 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11693 moveDatabase[movePtr].to = sq;
11695 if(promoPiece != pieceType[piece]) {
11696 moveDatabase[movePtr++].piece = Q_PROMO;
11697 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11699 moveDatabase[movePtr].piece = piece;
11700 quickBoard[sq] = piece;
11705 PackGame (Board board)
11707 Move *newSpace = NULL;
11708 moveDatabase[movePtr].piece = 0; // terminate previous game
11709 if(movePtr > dataSize) {
11710 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11711 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11712 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11715 Move *p = moveDatabase, *q = newSpace;
11716 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11717 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11718 moveDatabase = newSpace;
11719 } else { // calloc failed, we must be out of memory. Too bad...
11720 dataSize = 0; // prevent calloc events for all subsequent games
11721 return 0; // and signal this one isn't cached
11725 MakePieceList(board, counts);
11730 QuickCompare (Board board, int *minCounts, int *maxCounts)
11731 { // compare according to search mode
11733 switch(appData.searchMode)
11735 case 1: // exact position match
11736 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11737 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11738 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11741 case 2: // can have extra material on empty squares
11742 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11743 if(board[r][f] == EmptySquare) continue;
11744 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11747 case 3: // material with exact Pawn structure
11748 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11749 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11750 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11751 } // fall through to material comparison
11752 case 4: // exact material
11753 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11755 case 6: // material range with given imbalance
11756 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11757 // fall through to range comparison
11758 case 5: // material range
11759 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11765 QuickScan (Board board, Move *move)
11766 { // reconstruct game,and compare all positions in it
11767 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11769 int piece = move->piece;
11770 int to = move->to, from = pieceList[piece];
11771 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11772 if(!piece) return -1;
11773 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11774 piece = (++move)->piece;
11775 from = pieceList[piece];
11776 counts[pieceType[piece]]--;
11777 pieceType[piece] = (ChessSquare) move->to;
11778 counts[move->to]++;
11779 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11780 counts[pieceType[quickBoard[to]]]--;
11781 quickBoard[to] = 0; total--;
11784 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11785 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11786 from = pieceList[piece]; // so this must be King
11787 quickBoard[from] = 0;
11788 pieceList[piece] = to;
11789 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11790 quickBoard[from] = 0; // rook
11791 quickBoard[to] = piece;
11792 to = move->to; piece = move->piece;
11796 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11797 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11798 quickBoard[from] = 0;
11800 quickBoard[to] = piece;
11801 pieceList[piece] = to;
11803 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11804 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11805 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11806 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11808 static int lastCounts[EmptySquare+1];
11810 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11811 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11812 } else stretch = 0;
11813 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11822 flipSearch = FALSE;
11823 CopyBoard(soughtBoard, boards[currentMove]);
11824 soughtTotal = MakePieceList(soughtBoard, maxSought);
11825 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11826 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11827 CopyBoard(reverseBoard, boards[currentMove]);
11828 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11829 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11830 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11831 reverseBoard[r][f] = piece;
11833 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11834 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11835 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11836 || (boards[currentMove][CASTLING][2] == NoRights ||
11837 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11838 && (boards[currentMove][CASTLING][5] == NoRights ||
11839 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11842 CopyBoard(flipBoard, soughtBoard);
11843 CopyBoard(rotateBoard, reverseBoard);
11844 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11845 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11846 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11849 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11850 if(appData.searchMode >= 5) {
11851 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11852 MakePieceList(soughtBoard, minSought);
11853 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11855 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11856 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11859 GameInfo dummyInfo;
11860 static int creatingBook;
11863 GameContainsPosition (FILE *f, ListGame *lg)
11865 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11866 int fromX, fromY, toX, toY;
11868 static int initDone=FALSE;
11870 // weed out games based on numerical tag comparison
11871 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11872 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11873 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11874 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11876 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11879 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11880 else CopyBoard(boards[scratch], initialPosition); // default start position
11883 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11884 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11887 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11888 fseek(f, lg->offset, 0);
11891 yyboardindex = scratch;
11892 quickFlag = plyNr+1;
11897 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11903 if(plyNr) return -1; // after we have seen moves, this is for new game
11906 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11907 case ImpossibleMove:
11908 case WhiteWins: // game ends here with these four
11911 case GameUnfinished:
11915 if(appData.testLegality) return -1;
11916 case WhiteCapturesEnPassant:
11917 case BlackCapturesEnPassant:
11918 case WhitePromotion:
11919 case BlackPromotion:
11920 case WhiteNonPromotion:
11921 case BlackNonPromotion:
11923 case WhiteKingSideCastle:
11924 case WhiteQueenSideCastle:
11925 case BlackKingSideCastle:
11926 case BlackQueenSideCastle:
11927 case WhiteKingSideCastleWild:
11928 case WhiteQueenSideCastleWild:
11929 case BlackKingSideCastleWild:
11930 case BlackQueenSideCastleWild:
11931 case WhiteHSideCastleFR:
11932 case WhiteASideCastleFR:
11933 case BlackHSideCastleFR:
11934 case BlackASideCastleFR:
11935 fromX = currentMoveString[0] - AAA;
11936 fromY = currentMoveString[1] - ONE;
11937 toX = currentMoveString[2] - AAA;
11938 toY = currentMoveString[3] - ONE;
11939 promoChar = currentMoveString[4];
11943 fromX = next == WhiteDrop ?
11944 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11945 (int) CharToPiece(ToLower(currentMoveString[0]));
11947 toX = currentMoveString[2] - AAA;
11948 toY = currentMoveString[3] - ONE;
11952 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11954 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11955 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11956 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11957 if(appData.findMirror) {
11958 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11959 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11964 /* Load the nth game from open file f */
11966 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11970 int gn = gameNumber;
11971 ListGame *lg = NULL;
11972 int numPGNTags = 0;
11974 GameMode oldGameMode;
11975 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11977 if (appData.debugMode)
11978 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11980 if (gameMode == Training )
11981 SetTrainingModeOff();
11983 oldGameMode = gameMode;
11984 if (gameMode != BeginningOfGame) {
11985 Reset(FALSE, TRUE);
11989 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11990 fclose(lastLoadGameFP);
11994 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11997 fseek(f, lg->offset, 0);
11998 GameListHighlight(gameNumber);
11999 pos = lg->position;
12003 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
12004 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12006 DisplayError(_("Game number out of range"), 0);
12011 if (fseek(f, 0, 0) == -1) {
12012 if (f == lastLoadGameFP ?
12013 gameNumber == lastLoadGameNumber + 1 :
12017 DisplayError(_("Can't seek on game file"), 0);
12022 lastLoadGameFP = f;
12023 lastLoadGameNumber = gameNumber;
12024 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12025 lastLoadGameUseList = useList;
12029 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12030 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12031 lg->gameInfo.black);
12033 } else if (*title != NULLCHAR) {
12034 if (gameNumber > 1) {
12035 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12038 DisplayTitle(title);
12042 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12043 gameMode = PlayFromGameFile;
12047 currentMove = forwardMostMove = backwardMostMove = 0;
12048 CopyBoard(boards[0], initialPosition);
12052 * Skip the first gn-1 games in the file.
12053 * Also skip over anything that precedes an identifiable
12054 * start of game marker, to avoid being confused by
12055 * garbage at the start of the file. Currently
12056 * recognized start of game markers are the move number "1",
12057 * the pattern "gnuchess .* game", the pattern
12058 * "^[#;%] [^ ]* game file", and a PGN tag block.
12059 * A game that starts with one of the latter two patterns
12060 * will also have a move number 1, possibly
12061 * following a position diagram.
12062 * 5-4-02: Let's try being more lenient and allowing a game to
12063 * start with an unnumbered move. Does that break anything?
12065 cm = lastLoadGameStart = EndOfFile;
12067 yyboardindex = forwardMostMove;
12068 cm = (ChessMove) Myylex();
12071 if (cmailMsgLoaded) {
12072 nCmailGames = CMAIL_MAX_GAMES - gn;
12075 DisplayError(_("Game not found in file"), 0);
12082 lastLoadGameStart = cm;
12085 case MoveNumberOne:
12086 switch (lastLoadGameStart) {
12091 case MoveNumberOne:
12093 gn--; /* count this game */
12094 lastLoadGameStart = cm;
12103 switch (lastLoadGameStart) {
12106 case MoveNumberOne:
12108 gn--; /* count this game */
12109 lastLoadGameStart = cm;
12112 lastLoadGameStart = cm; /* game counted already */
12120 yyboardindex = forwardMostMove;
12121 cm = (ChessMove) Myylex();
12122 } while (cm == PGNTag || cm == Comment);
12129 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12130 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12131 != CMAIL_OLD_RESULT) {
12133 cmailResult[ CMAIL_MAX_GAMES
12134 - gn - 1] = CMAIL_OLD_RESULT;
12140 /* Only a NormalMove can be at the start of a game
12141 * without a position diagram. */
12142 if (lastLoadGameStart == EndOfFile ) {
12144 lastLoadGameStart = MoveNumberOne;
12153 if (appData.debugMode)
12154 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12156 if (cm == XBoardGame) {
12157 /* Skip any header junk before position diagram and/or move 1 */
12159 yyboardindex = forwardMostMove;
12160 cm = (ChessMove) Myylex();
12162 if (cm == EndOfFile ||
12163 cm == GNUChessGame || cm == XBoardGame) {
12164 /* Empty game; pretend end-of-file and handle later */
12169 if (cm == MoveNumberOne || cm == PositionDiagram ||
12170 cm == PGNTag || cm == Comment)
12173 } else if (cm == GNUChessGame) {
12174 if (gameInfo.event != NULL) {
12175 free(gameInfo.event);
12177 gameInfo.event = StrSave(yy_text);
12180 startedFromSetupPosition = FALSE;
12181 while (cm == PGNTag) {
12182 if (appData.debugMode)
12183 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12184 err = ParsePGNTag(yy_text, &gameInfo);
12185 if (!err) numPGNTags++;
12187 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12188 if(gameInfo.variant != oldVariant) {
12189 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12190 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12191 InitPosition(TRUE);
12192 oldVariant = gameInfo.variant;
12193 if (appData.debugMode)
12194 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12198 if (gameInfo.fen != NULL) {
12199 Board initial_position;
12200 startedFromSetupPosition = TRUE;
12201 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12203 DisplayError(_("Bad FEN position in file"), 0);
12206 CopyBoard(boards[0], initial_position);
12207 if (blackPlaysFirst) {
12208 currentMove = forwardMostMove = backwardMostMove = 1;
12209 CopyBoard(boards[1], initial_position);
12210 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12211 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12212 timeRemaining[0][1] = whiteTimeRemaining;
12213 timeRemaining[1][1] = blackTimeRemaining;
12214 if (commentList[0] != NULL) {
12215 commentList[1] = commentList[0];
12216 commentList[0] = NULL;
12219 currentMove = forwardMostMove = backwardMostMove = 0;
12221 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12223 initialRulePlies = FENrulePlies;
12224 for( i=0; i< nrCastlingRights; i++ )
12225 initialRights[i] = initial_position[CASTLING][i];
12227 yyboardindex = forwardMostMove;
12228 free(gameInfo.fen);
12229 gameInfo.fen = NULL;
12232 yyboardindex = forwardMostMove;
12233 cm = (ChessMove) Myylex();
12235 /* Handle comments interspersed among the tags */
12236 while (cm == Comment) {
12238 if (appData.debugMode)
12239 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12241 AppendComment(currentMove, p, FALSE);
12242 yyboardindex = forwardMostMove;
12243 cm = (ChessMove) Myylex();
12247 /* don't rely on existence of Event tag since if game was
12248 * pasted from clipboard the Event tag may not exist
12250 if (numPGNTags > 0){
12252 if (gameInfo.variant == VariantNormal) {
12253 VariantClass v = StringToVariant(gameInfo.event);
12254 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12255 if(v < VariantShogi) gameInfo.variant = v;
12258 if( appData.autoDisplayTags ) {
12259 tags = PGNTags(&gameInfo);
12260 TagsPopUp(tags, CmailMsg());
12265 /* Make something up, but don't display it now */
12270 if (cm == PositionDiagram) {
12273 Board initial_position;
12275 if (appData.debugMode)
12276 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12278 if (!startedFromSetupPosition) {
12280 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12281 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12292 initial_position[i][j++] = CharToPiece(*p);
12295 while (*p == ' ' || *p == '\t' ||
12296 *p == '\n' || *p == '\r') p++;
12298 if (strncmp(p, "black", strlen("black"))==0)
12299 blackPlaysFirst = TRUE;
12301 blackPlaysFirst = FALSE;
12302 startedFromSetupPosition = TRUE;
12304 CopyBoard(boards[0], initial_position);
12305 if (blackPlaysFirst) {
12306 currentMove = forwardMostMove = backwardMostMove = 1;
12307 CopyBoard(boards[1], initial_position);
12308 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12309 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12310 timeRemaining[0][1] = whiteTimeRemaining;
12311 timeRemaining[1][1] = blackTimeRemaining;
12312 if (commentList[0] != NULL) {
12313 commentList[1] = commentList[0];
12314 commentList[0] = NULL;
12317 currentMove = forwardMostMove = backwardMostMove = 0;
12320 yyboardindex = forwardMostMove;
12321 cm = (ChessMove) Myylex();
12324 if(!creatingBook) {
12325 if (first.pr == NoProc) {
12326 StartChessProgram(&first);
12328 InitChessProgram(&first, FALSE);
12329 SendToProgram("force\n", &first);
12330 if (startedFromSetupPosition) {
12331 SendBoard(&first, forwardMostMove);
12332 if (appData.debugMode) {
12333 fprintf(debugFP, "Load Game\n");
12335 DisplayBothClocks();
12339 /* [HGM] server: flag to write setup moves in broadcast file as one */
12340 loadFlag = appData.suppressLoadMoves;
12342 while (cm == Comment) {
12344 if (appData.debugMode)
12345 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12347 AppendComment(currentMove, p, FALSE);
12348 yyboardindex = forwardMostMove;
12349 cm = (ChessMove) Myylex();
12352 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12353 cm == WhiteWins || cm == BlackWins ||
12354 cm == GameIsDrawn || cm == GameUnfinished) {
12355 DisplayMessage("", _("No moves in game"));
12356 if (cmailMsgLoaded) {
12357 if (appData.debugMode)
12358 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12362 DrawPosition(FALSE, boards[currentMove]);
12363 DisplayBothClocks();
12364 gameMode = EditGame;
12371 // [HGM] PV info: routine tests if comment empty
12372 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12373 DisplayComment(currentMove - 1, commentList[currentMove]);
12375 if (!matchMode && appData.timeDelay != 0)
12376 DrawPosition(FALSE, boards[currentMove]);
12378 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12379 programStats.ok_to_send = 1;
12382 /* if the first token after the PGN tags is a move
12383 * and not move number 1, retrieve it from the parser
12385 if (cm != MoveNumberOne)
12386 LoadGameOneMove(cm);
12388 /* load the remaining moves from the file */
12389 while (LoadGameOneMove(EndOfFile)) {
12390 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12391 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12394 /* rewind to the start of the game */
12395 currentMove = backwardMostMove;
12397 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12399 if (oldGameMode == AnalyzeFile ||
12400 oldGameMode == AnalyzeMode) {
12401 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12402 AnalyzeFileEvent();
12405 if(creatingBook) return TRUE;
12406 if (!matchMode && pos > 0) {
12407 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12409 if (matchMode || appData.timeDelay == 0) {
12411 } else if (appData.timeDelay > 0) {
12412 AutoPlayGameLoop();
12415 if (appData.debugMode)
12416 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12418 loadFlag = 0; /* [HGM] true game starts */
12422 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12424 ReloadPosition (int offset)
12426 int positionNumber = lastLoadPositionNumber + offset;
12427 if (lastLoadPositionFP == NULL) {
12428 DisplayError(_("No position has been loaded yet"), 0);
12431 if (positionNumber <= 0) {
12432 DisplayError(_("Can't back up any further"), 0);
12435 return LoadPosition(lastLoadPositionFP, positionNumber,
12436 lastLoadPositionTitle);
12439 /* Load the nth position from the given file */
12441 LoadPositionFromFile (char *filename, int n, char *title)
12446 if (strcmp(filename, "-") == 0) {
12447 return LoadPosition(stdin, n, "stdin");
12449 f = fopen(filename, "rb");
12451 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12452 DisplayError(buf, errno);
12455 return LoadPosition(f, n, title);
12460 /* Load the nth position from the given open file, and close it */
12462 LoadPosition (FILE *f, int positionNumber, char *title)
12464 char *p, line[MSG_SIZ];
12465 Board initial_position;
12466 int i, j, fenMode, pn;
12468 if (gameMode == Training )
12469 SetTrainingModeOff();
12471 if (gameMode != BeginningOfGame) {
12472 Reset(FALSE, TRUE);
12474 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12475 fclose(lastLoadPositionFP);
12477 if (positionNumber == 0) positionNumber = 1;
12478 lastLoadPositionFP = f;
12479 lastLoadPositionNumber = positionNumber;
12480 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12481 if (first.pr == NoProc && !appData.noChessProgram) {
12482 StartChessProgram(&first);
12483 InitChessProgram(&first, FALSE);
12485 pn = positionNumber;
12486 if (positionNumber < 0) {
12487 /* Negative position number means to seek to that byte offset */
12488 if (fseek(f, -positionNumber, 0) == -1) {
12489 DisplayError(_("Can't seek on position file"), 0);
12494 if (fseek(f, 0, 0) == -1) {
12495 if (f == lastLoadPositionFP ?
12496 positionNumber == lastLoadPositionNumber + 1 :
12497 positionNumber == 1) {
12500 DisplayError(_("Can't seek on position file"), 0);
12505 /* See if this file is FEN or old-style xboard */
12506 if (fgets(line, MSG_SIZ, f) == NULL) {
12507 DisplayError(_("Position not found in file"), 0);
12510 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12511 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12514 if (fenMode || line[0] == '#') pn--;
12516 /* skip positions before number pn */
12517 if (fgets(line, MSG_SIZ, f) == NULL) {
12519 DisplayError(_("Position not found in file"), 0);
12522 if (fenMode || line[0] == '#') pn--;
12527 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12528 DisplayError(_("Bad FEN position in file"), 0);
12532 (void) fgets(line, MSG_SIZ, f);
12533 (void) fgets(line, MSG_SIZ, f);
12535 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12536 (void) fgets(line, MSG_SIZ, f);
12537 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12540 initial_position[i][j++] = CharToPiece(*p);
12544 blackPlaysFirst = FALSE;
12546 (void) fgets(line, MSG_SIZ, f);
12547 if (strncmp(line, "black", strlen("black"))==0)
12548 blackPlaysFirst = TRUE;
12551 startedFromSetupPosition = TRUE;
12553 CopyBoard(boards[0], initial_position);
12554 if (blackPlaysFirst) {
12555 currentMove = forwardMostMove = backwardMostMove = 1;
12556 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12557 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12558 CopyBoard(boards[1], initial_position);
12559 DisplayMessage("", _("Black to play"));
12561 currentMove = forwardMostMove = backwardMostMove = 0;
12562 DisplayMessage("", _("White to play"));
12564 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12565 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12566 SendToProgram("force\n", &first);
12567 SendBoard(&first, forwardMostMove);
12569 if (appData.debugMode) {
12571 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12572 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12573 fprintf(debugFP, "Load Position\n");
12576 if (positionNumber > 1) {
12577 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12578 DisplayTitle(line);
12580 DisplayTitle(title);
12582 gameMode = EditGame;
12585 timeRemaining[0][1] = whiteTimeRemaining;
12586 timeRemaining[1][1] = blackTimeRemaining;
12587 DrawPosition(FALSE, boards[currentMove]);
12594 CopyPlayerNameIntoFileName (char **dest, char *src)
12596 while (*src != NULLCHAR && *src != ',') {
12601 *(*dest)++ = *src++;
12607 DefaultFileName (char *ext)
12609 static char def[MSG_SIZ];
12612 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12614 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12616 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12618 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12625 /* Save the current game to the given file */
12627 SaveGameToFile (char *filename, int append)
12631 int result, i, t,tot=0;
12633 if (strcmp(filename, "-") == 0) {
12634 return SaveGame(stdout, 0, NULL);
12636 for(i=0; i<10; i++) { // upto 10 tries
12637 f = fopen(filename, append ? "a" : "w");
12638 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12639 if(f || errno != 13) break;
12640 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12644 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12645 DisplayError(buf, errno);
12648 safeStrCpy(buf, lastMsg, MSG_SIZ);
12649 DisplayMessage(_("Waiting for access to save file"), "");
12650 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12651 DisplayMessage(_("Saving game"), "");
12652 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12653 result = SaveGame(f, 0, NULL);
12654 DisplayMessage(buf, "");
12661 SavePart (char *str)
12663 static char buf[MSG_SIZ];
12666 p = strchr(str, ' ');
12667 if (p == NULL) return str;
12668 strncpy(buf, str, p - str);
12669 buf[p - str] = NULLCHAR;
12673 #define PGN_MAX_LINE 75
12675 #define PGN_SIDE_WHITE 0
12676 #define PGN_SIDE_BLACK 1
12679 FindFirstMoveOutOfBook (int side)
12683 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12684 int index = backwardMostMove;
12685 int has_book_hit = 0;
12687 if( (index % 2) != side ) {
12691 while( index < forwardMostMove ) {
12692 /* Check to see if engine is in book */
12693 int depth = pvInfoList[index].depth;
12694 int score = pvInfoList[index].score;
12700 else if( score == 0 && depth == 63 ) {
12701 in_book = 1; /* Zappa */
12703 else if( score == 2 && depth == 99 ) {
12704 in_book = 1; /* Abrok */
12707 has_book_hit += in_book;
12723 GetOutOfBookInfo (char * buf)
12727 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12729 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12730 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12734 if( oob[0] >= 0 || oob[1] >= 0 ) {
12735 for( i=0; i<2; i++ ) {
12739 if( i > 0 && oob[0] >= 0 ) {
12740 strcat( buf, " " );
12743 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12744 sprintf( buf+strlen(buf), "%s%.2f",
12745 pvInfoList[idx].score >= 0 ? "+" : "",
12746 pvInfoList[idx].score / 100.0 );
12752 /* Save game in PGN style and close the file */
12754 SaveGamePGN (FILE *f)
12756 int i, offset, linelen, newblock;
12759 int movelen, numlen, blank;
12760 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12762 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12764 PrintPGNTags(f, &gameInfo);
12766 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12768 if (backwardMostMove > 0 || startedFromSetupPosition) {
12769 char *fen = PositionToFEN(backwardMostMove, NULL);
12770 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12771 fprintf(f, "\n{--------------\n");
12772 PrintPosition(f, backwardMostMove);
12773 fprintf(f, "--------------}\n");
12777 /* [AS] Out of book annotation */
12778 if( appData.saveOutOfBookInfo ) {
12781 GetOutOfBookInfo( buf );
12783 if( buf[0] != '\0' ) {
12784 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12791 i = backwardMostMove;
12795 while (i < forwardMostMove) {
12796 /* Print comments preceding this move */
12797 if (commentList[i] != NULL) {
12798 if (linelen > 0) fprintf(f, "\n");
12799 fprintf(f, "%s", commentList[i]);
12804 /* Format move number */
12806 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12809 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12811 numtext[0] = NULLCHAR;
12813 numlen = strlen(numtext);
12816 /* Print move number */
12817 blank = linelen > 0 && numlen > 0;
12818 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12827 fprintf(f, "%s", numtext);
12831 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12832 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12835 blank = linelen > 0 && movelen > 0;
12836 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12845 fprintf(f, "%s", move_buffer);
12846 linelen += movelen;
12848 /* [AS] Add PV info if present */
12849 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12850 /* [HGM] add time */
12851 char buf[MSG_SIZ]; int seconds;
12853 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12859 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12862 seconds = (seconds + 4)/10; // round to full seconds
12864 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12866 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12869 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12870 pvInfoList[i].score >= 0 ? "+" : "",
12871 pvInfoList[i].score / 100.0,
12872 pvInfoList[i].depth,
12875 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12877 /* Print score/depth */
12878 blank = linelen > 0 && movelen > 0;
12879 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12888 fprintf(f, "%s", move_buffer);
12889 linelen += movelen;
12895 /* Start a new line */
12896 if (linelen > 0) fprintf(f, "\n");
12898 /* Print comments after last move */
12899 if (commentList[i] != NULL) {
12900 fprintf(f, "%s\n", commentList[i]);
12904 if (gameInfo.resultDetails != NULL &&
12905 gameInfo.resultDetails[0] != NULLCHAR) {
12906 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12907 PGNResult(gameInfo.result));
12909 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12913 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12917 /* Save game in old style and close the file */
12919 SaveGameOldStyle (FILE *f)
12924 tm = time((time_t *) NULL);
12926 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12929 if (backwardMostMove > 0 || startedFromSetupPosition) {
12930 fprintf(f, "\n[--------------\n");
12931 PrintPosition(f, backwardMostMove);
12932 fprintf(f, "--------------]\n");
12937 i = backwardMostMove;
12938 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12940 while (i < forwardMostMove) {
12941 if (commentList[i] != NULL) {
12942 fprintf(f, "[%s]\n", commentList[i]);
12945 if ((i % 2) == 1) {
12946 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12949 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12951 if (commentList[i] != NULL) {
12955 if (i >= forwardMostMove) {
12959 fprintf(f, "%s\n", parseList[i]);
12964 if (commentList[i] != NULL) {
12965 fprintf(f, "[%s]\n", commentList[i]);
12968 /* This isn't really the old style, but it's close enough */
12969 if (gameInfo.resultDetails != NULL &&
12970 gameInfo.resultDetails[0] != NULLCHAR) {
12971 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12972 gameInfo.resultDetails);
12974 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12981 /* Save the current game to open file f and close the file */
12983 SaveGame (FILE *f, int dummy, char *dummy2)
12985 if (gameMode == EditPosition) EditPositionDone(TRUE);
12986 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12987 if (appData.oldSaveStyle)
12988 return SaveGameOldStyle(f);
12990 return SaveGamePGN(f);
12993 /* Save the current position to the given file */
12995 SavePositionToFile (char *filename)
13000 if (strcmp(filename, "-") == 0) {
13001 return SavePosition(stdout, 0, NULL);
13003 f = fopen(filename, "a");
13005 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13006 DisplayError(buf, errno);
13009 safeStrCpy(buf, lastMsg, MSG_SIZ);
13010 DisplayMessage(_("Waiting for access to save file"), "");
13011 flock(fileno(f), LOCK_EX); // [HGM] lock
13012 DisplayMessage(_("Saving position"), "");
13013 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13014 SavePosition(f, 0, NULL);
13015 DisplayMessage(buf, "");
13021 /* Save the current position to the given open file and close the file */
13023 SavePosition (FILE *f, int dummy, char *dummy2)
13028 if (gameMode == EditPosition) EditPositionDone(TRUE);
13029 if (appData.oldSaveStyle) {
13030 tm = time((time_t *) NULL);
13032 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13034 fprintf(f, "[--------------\n");
13035 PrintPosition(f, currentMove);
13036 fprintf(f, "--------------]\n");
13038 fen = PositionToFEN(currentMove, NULL);
13039 fprintf(f, "%s\n", fen);
13047 ReloadCmailMsgEvent (int unregister)
13050 static char *inFilename = NULL;
13051 static char *outFilename;
13053 struct stat inbuf, outbuf;
13056 /* Any registered moves are unregistered if unregister is set, */
13057 /* i.e. invoked by the signal handler */
13059 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13060 cmailMoveRegistered[i] = FALSE;
13061 if (cmailCommentList[i] != NULL) {
13062 free(cmailCommentList[i]);
13063 cmailCommentList[i] = NULL;
13066 nCmailMovesRegistered = 0;
13069 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13070 cmailResult[i] = CMAIL_NOT_RESULT;
13074 if (inFilename == NULL) {
13075 /* Because the filenames are static they only get malloced once */
13076 /* and they never get freed */
13077 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13078 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13080 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13081 sprintf(outFilename, "%s.out", appData.cmailGameName);
13084 status = stat(outFilename, &outbuf);
13086 cmailMailedMove = FALSE;
13088 status = stat(inFilename, &inbuf);
13089 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13092 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13093 counts the games, notes how each one terminated, etc.
13095 It would be nice to remove this kludge and instead gather all
13096 the information while building the game list. (And to keep it
13097 in the game list nodes instead of having a bunch of fixed-size
13098 parallel arrays.) Note this will require getting each game's
13099 termination from the PGN tags, as the game list builder does
13100 not process the game moves. --mann
13102 cmailMsgLoaded = TRUE;
13103 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13105 /* Load first game in the file or popup game menu */
13106 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13108 #endif /* !WIN32 */
13116 char string[MSG_SIZ];
13118 if ( cmailMailedMove
13119 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13120 return TRUE; /* Allow free viewing */
13123 /* Unregister move to ensure that we don't leave RegisterMove */
13124 /* with the move registered when the conditions for registering no */
13126 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13127 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13128 nCmailMovesRegistered --;
13130 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13132 free(cmailCommentList[lastLoadGameNumber - 1]);
13133 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13137 if (cmailOldMove == -1) {
13138 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13142 if (currentMove > cmailOldMove + 1) {
13143 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13147 if (currentMove < cmailOldMove) {
13148 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13152 if (forwardMostMove > currentMove) {
13153 /* Silently truncate extra moves */
13157 if ( (currentMove == cmailOldMove + 1)
13158 || ( (currentMove == cmailOldMove)
13159 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13160 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13161 if (gameInfo.result != GameUnfinished) {
13162 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13165 if (commentList[currentMove] != NULL) {
13166 cmailCommentList[lastLoadGameNumber - 1]
13167 = StrSave(commentList[currentMove]);
13169 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13171 if (appData.debugMode)
13172 fprintf(debugFP, "Saving %s for game %d\n",
13173 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13175 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13177 f = fopen(string, "w");
13178 if (appData.oldSaveStyle) {
13179 SaveGameOldStyle(f); /* also closes the file */
13181 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13182 f = fopen(string, "w");
13183 SavePosition(f, 0, NULL); /* also closes the file */
13185 fprintf(f, "{--------------\n");
13186 PrintPosition(f, currentMove);
13187 fprintf(f, "--------------}\n\n");
13189 SaveGame(f, 0, NULL); /* also closes the file*/
13192 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13193 nCmailMovesRegistered ++;
13194 } else if (nCmailGames == 1) {
13195 DisplayError(_("You have not made a move yet"), 0);
13206 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13207 FILE *commandOutput;
13208 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13209 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13215 if (! cmailMsgLoaded) {
13216 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13220 if (nCmailGames == nCmailResults) {
13221 DisplayError(_("No unfinished games"), 0);
13225 #if CMAIL_PROHIBIT_REMAIL
13226 if (cmailMailedMove) {
13227 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);
13228 DisplayError(msg, 0);
13233 if (! (cmailMailedMove || RegisterMove())) return;
13235 if ( cmailMailedMove
13236 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13237 snprintf(string, MSG_SIZ, partCommandString,
13238 appData.debugMode ? " -v" : "", appData.cmailGameName);
13239 commandOutput = popen(string, "r");
13241 if (commandOutput == NULL) {
13242 DisplayError(_("Failed to invoke cmail"), 0);
13244 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13245 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13247 if (nBuffers > 1) {
13248 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13249 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13250 nBytes = MSG_SIZ - 1;
13252 (void) memcpy(msg, buffer, nBytes);
13254 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13256 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13257 cmailMailedMove = TRUE; /* Prevent >1 moves */
13260 for (i = 0; i < nCmailGames; i ++) {
13261 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13266 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13268 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13270 appData.cmailGameName,
13272 LoadGameFromFile(buffer, 1, buffer, FALSE);
13273 cmailMsgLoaded = FALSE;
13277 DisplayInformation(msg);
13278 pclose(commandOutput);
13281 if ((*cmailMsg) != '\0') {
13282 DisplayInformation(cmailMsg);
13287 #endif /* !WIN32 */
13296 int prependComma = 0;
13298 char string[MSG_SIZ]; /* Space for game-list */
13301 if (!cmailMsgLoaded) return "";
13303 if (cmailMailedMove) {
13304 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13306 /* Create a list of games left */
13307 snprintf(string, MSG_SIZ, "[");
13308 for (i = 0; i < nCmailGames; i ++) {
13309 if (! ( cmailMoveRegistered[i]
13310 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13311 if (prependComma) {
13312 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13314 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13318 strcat(string, number);
13321 strcat(string, "]");
13323 if (nCmailMovesRegistered + nCmailResults == 0) {
13324 switch (nCmailGames) {
13326 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13330 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13334 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13339 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13341 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13346 if (nCmailResults == nCmailGames) {
13347 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13349 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13354 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13366 if (gameMode == Training)
13367 SetTrainingModeOff();
13370 cmailMsgLoaded = FALSE;
13371 if (appData.icsActive) {
13372 SendToICS(ics_prefix);
13373 SendToICS("refresh\n");
13378 ExitEvent (int status)
13382 /* Give up on clean exit */
13386 /* Keep trying for clean exit */
13390 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13392 if (telnetISR != NULL) {
13393 RemoveInputSource(telnetISR);
13395 if (icsPR != NoProc) {
13396 DestroyChildProcess(icsPR, TRUE);
13399 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13400 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13402 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13403 /* make sure this other one finishes before killing it! */
13404 if(endingGame) { int count = 0;
13405 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13406 while(endingGame && count++ < 10) DoSleep(1);
13407 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13410 /* Kill off chess programs */
13411 if (first.pr != NoProc) {
13414 DoSleep( appData.delayBeforeQuit );
13415 SendToProgram("quit\n", &first);
13416 DoSleep( appData.delayAfterQuit );
13417 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13419 if (second.pr != NoProc) {
13420 DoSleep( appData.delayBeforeQuit );
13421 SendToProgram("quit\n", &second);
13422 DoSleep( appData.delayAfterQuit );
13423 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13425 if (first.isr != NULL) {
13426 RemoveInputSource(first.isr);
13428 if (second.isr != NULL) {
13429 RemoveInputSource(second.isr);
13432 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13433 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13435 ShutDownFrontEnd();
13440 PauseEngine (ChessProgramState *cps)
13442 SendToProgram("pause\n", cps);
13447 UnPauseEngine (ChessProgramState *cps)
13449 SendToProgram("resume\n", cps);
13456 if (appData.debugMode)
13457 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13461 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13463 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13464 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13465 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13467 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13468 HandleMachineMove(stashedInputMove, stalledEngine);
13469 stalledEngine = NULL;
13472 if (gameMode == MachinePlaysWhite ||
13473 gameMode == TwoMachinesPlay ||
13474 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13475 if(first.pause) UnPauseEngine(&first);
13476 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13477 if(second.pause) UnPauseEngine(&second);
13478 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13481 DisplayBothClocks();
13483 if (gameMode == PlayFromGameFile) {
13484 if (appData.timeDelay >= 0)
13485 AutoPlayGameLoop();
13486 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13487 Reset(FALSE, TRUE);
13488 SendToICS(ics_prefix);
13489 SendToICS("refresh\n");
13490 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13491 ForwardInner(forwardMostMove);
13493 pauseExamInvalid = FALSE;
13495 switch (gameMode) {
13499 pauseExamForwardMostMove = forwardMostMove;
13500 pauseExamInvalid = FALSE;
13503 case IcsPlayingWhite:
13504 case IcsPlayingBlack:
13508 case PlayFromGameFile:
13509 (void) StopLoadGameTimer();
13513 case BeginningOfGame:
13514 if (appData.icsActive) return;
13515 /* else fall through */
13516 case MachinePlaysWhite:
13517 case MachinePlaysBlack:
13518 case TwoMachinesPlay:
13519 if (forwardMostMove == 0)
13520 return; /* don't pause if no one has moved */
13521 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13522 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13523 if(onMove->pause) { // thinking engine can be paused
13524 PauseEngine(onMove); // do it
13525 if(onMove->other->pause) // pondering opponent can always be paused immediately
13526 PauseEngine(onMove->other);
13528 SendToProgram("easy\n", onMove->other);
13530 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13531 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13533 PauseEngine(&first);
13535 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13536 } else { // human on move, pause pondering by either method
13538 PauseEngine(&first);
13539 else if(appData.ponderNextMove)
13540 SendToProgram("easy\n", &first);
13543 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13553 EditCommentEvent ()
13555 char title[MSG_SIZ];
13557 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13558 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13560 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13561 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13562 parseList[currentMove - 1]);
13565 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13572 char *tags = PGNTags(&gameInfo);
13574 EditTagsPopUp(tags, NULL);
13581 if(second.analyzing) {
13582 SendToProgram("exit\n", &second);
13583 second.analyzing = FALSE;
13585 if (second.pr == NoProc) StartChessProgram(&second);
13586 InitChessProgram(&second, FALSE);
13587 FeedMovesToProgram(&second, currentMove);
13589 SendToProgram("analyze\n", &second);
13590 second.analyzing = TRUE;
13594 /* Toggle ShowThinking */
13596 ToggleShowThinking()
13598 appData.showThinking = !appData.showThinking;
13599 ShowThinkingEvent();
13603 AnalyzeModeEvent ()
13607 if (!first.analysisSupport) {
13608 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13609 DisplayError(buf, 0);
13612 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13613 if (appData.icsActive) {
13614 if (gameMode != IcsObserving) {
13615 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13616 DisplayError(buf, 0);
13618 if (appData.icsEngineAnalyze) {
13619 if (appData.debugMode)
13620 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13626 /* if enable, user wants to disable icsEngineAnalyze */
13627 if (appData.icsEngineAnalyze) {
13632 appData.icsEngineAnalyze = TRUE;
13633 if (appData.debugMode)
13634 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13637 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13638 if (appData.noChessProgram || gameMode == AnalyzeMode)
13641 if (gameMode != AnalyzeFile) {
13642 if (!appData.icsEngineAnalyze) {
13644 if (gameMode != EditGame) return 0;
13646 if (!appData.showThinking) ToggleShowThinking();
13647 ResurrectChessProgram();
13648 SendToProgram("analyze\n", &first);
13649 first.analyzing = TRUE;
13650 /*first.maybeThinking = TRUE;*/
13651 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13652 EngineOutputPopUp();
13654 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13659 StartAnalysisClock();
13660 GetTimeMark(&lastNodeCountTime);
13666 AnalyzeFileEvent ()
13668 if (appData.noChessProgram || gameMode == AnalyzeFile)
13671 if (!first.analysisSupport) {
13673 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13674 DisplayError(buf, 0);
13678 if (gameMode != AnalyzeMode) {
13679 keepInfo = 1; // mere annotating should not alter PGN tags
13682 if (gameMode != EditGame) return;
13683 if (!appData.showThinking) ToggleShowThinking();
13684 ResurrectChessProgram();
13685 SendToProgram("analyze\n", &first);
13686 first.analyzing = TRUE;
13687 /*first.maybeThinking = TRUE;*/
13688 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13689 EngineOutputPopUp();
13691 gameMode = AnalyzeFile;
13695 StartAnalysisClock();
13696 GetTimeMark(&lastNodeCountTime);
13698 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13699 AnalysisPeriodicEvent(1);
13703 MachineWhiteEvent ()
13706 char *bookHit = NULL;
13708 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13712 if (gameMode == PlayFromGameFile ||
13713 gameMode == TwoMachinesPlay ||
13714 gameMode == Training ||
13715 gameMode == AnalyzeMode ||
13716 gameMode == EndOfGame)
13719 if (gameMode == EditPosition)
13720 EditPositionDone(TRUE);
13722 if (!WhiteOnMove(currentMove)) {
13723 DisplayError(_("It is not White's turn"), 0);
13727 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13730 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13731 gameMode == AnalyzeFile)
13734 ResurrectChessProgram(); /* in case it isn't running */
13735 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13736 gameMode = MachinePlaysWhite;
13739 gameMode = MachinePlaysWhite;
13743 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13745 if (first.sendName) {
13746 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13747 SendToProgram(buf, &first);
13749 if (first.sendTime) {
13750 if (first.useColors) {
13751 SendToProgram("black\n", &first); /*gnu kludge*/
13753 SendTimeRemaining(&first, TRUE);
13755 if (first.useColors) {
13756 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13758 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13759 SetMachineThinkingEnables();
13760 first.maybeThinking = TRUE;
13764 if (appData.autoFlipView && !flipView) {
13765 flipView = !flipView;
13766 DrawPosition(FALSE, NULL);
13767 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13770 if(bookHit) { // [HGM] book: simulate book reply
13771 static char bookMove[MSG_SIZ]; // a bit generous?
13773 programStats.nodes = programStats.depth = programStats.time =
13774 programStats.score = programStats.got_only_move = 0;
13775 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13777 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13778 strcat(bookMove, bookHit);
13779 HandleMachineMove(bookMove, &first);
13784 MachineBlackEvent ()
13787 char *bookHit = NULL;
13789 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13793 if (gameMode == PlayFromGameFile ||
13794 gameMode == TwoMachinesPlay ||
13795 gameMode == Training ||
13796 gameMode == AnalyzeMode ||
13797 gameMode == EndOfGame)
13800 if (gameMode == EditPosition)
13801 EditPositionDone(TRUE);
13803 if (WhiteOnMove(currentMove)) {
13804 DisplayError(_("It is not Black's turn"), 0);
13808 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13811 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13812 gameMode == AnalyzeFile)
13815 ResurrectChessProgram(); /* in case it isn't running */
13816 gameMode = MachinePlaysBlack;
13820 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13822 if (first.sendName) {
13823 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13824 SendToProgram(buf, &first);
13826 if (first.sendTime) {
13827 if (first.useColors) {
13828 SendToProgram("white\n", &first); /*gnu kludge*/
13830 SendTimeRemaining(&first, FALSE);
13832 if (first.useColors) {
13833 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13835 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13836 SetMachineThinkingEnables();
13837 first.maybeThinking = TRUE;
13840 if (appData.autoFlipView && flipView) {
13841 flipView = !flipView;
13842 DrawPosition(FALSE, NULL);
13843 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13845 if(bookHit) { // [HGM] book: simulate book reply
13846 static char bookMove[MSG_SIZ]; // a bit generous?
13848 programStats.nodes = programStats.depth = programStats.time =
13849 programStats.score = programStats.got_only_move = 0;
13850 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13852 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13853 strcat(bookMove, bookHit);
13854 HandleMachineMove(bookMove, &first);
13860 DisplayTwoMachinesTitle ()
13863 if (appData.matchGames > 0) {
13864 if(appData.tourneyFile[0]) {
13865 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13866 gameInfo.white, _("vs."), gameInfo.black,
13867 nextGame+1, appData.matchGames+1,
13868 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13870 if (first.twoMachinesColor[0] == 'w') {
13871 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13872 gameInfo.white, _("vs."), gameInfo.black,
13873 first.matchWins, second.matchWins,
13874 matchGame - 1 - (first.matchWins + second.matchWins));
13876 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13877 gameInfo.white, _("vs."), gameInfo.black,
13878 second.matchWins, first.matchWins,
13879 matchGame - 1 - (first.matchWins + second.matchWins));
13882 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13888 SettingsMenuIfReady ()
13890 if (second.lastPing != second.lastPong) {
13891 DisplayMessage("", _("Waiting for second chess program"));
13892 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13896 DisplayMessage("", "");
13897 SettingsPopUp(&second);
13901 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13904 if (cps->pr == NoProc) {
13905 StartChessProgram(cps);
13906 if (cps->protocolVersion == 1) {
13909 /* kludge: allow timeout for initial "feature" command */
13911 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13912 DisplayMessage("", buf);
13913 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13921 TwoMachinesEvent P((void))
13925 ChessProgramState *onmove;
13926 char *bookHit = NULL;
13927 static int stalling = 0;
13931 if (appData.noChessProgram) return;
13933 switch (gameMode) {
13934 case TwoMachinesPlay:
13936 case MachinePlaysWhite:
13937 case MachinePlaysBlack:
13938 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13939 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13943 case BeginningOfGame:
13944 case PlayFromGameFile:
13947 if (gameMode != EditGame) return;
13950 EditPositionDone(TRUE);
13961 // forwardMostMove = currentMove;
13962 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13964 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13966 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13967 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13968 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13972 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13973 DisplayError("second engine does not play this", 0);
13978 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13979 SendToProgram("force\n", &second);
13981 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13984 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13985 if(appData.matchPause>10000 || appData.matchPause<10)
13986 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13987 wait = SubtractTimeMarks(&now, &pauseStart);
13988 if(wait < appData.matchPause) {
13989 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13992 // we are now committed to starting the game
13994 DisplayMessage("", "");
13995 if (startedFromSetupPosition) {
13996 SendBoard(&second, backwardMostMove);
13997 if (appData.debugMode) {
13998 fprintf(debugFP, "Two Machines\n");
14001 for (i = backwardMostMove; i < forwardMostMove; i++) {
14002 SendMoveToProgram(i, &second);
14005 gameMode = TwoMachinesPlay;
14007 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14009 DisplayTwoMachinesTitle();
14011 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14016 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14017 SendToProgram(first.computerString, &first);
14018 if (first.sendName) {
14019 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14020 SendToProgram(buf, &first);
14022 SendToProgram(second.computerString, &second);
14023 if (second.sendName) {
14024 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14025 SendToProgram(buf, &second);
14029 if (!first.sendTime || !second.sendTime) {
14030 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14031 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14033 if (onmove->sendTime) {
14034 if (onmove->useColors) {
14035 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14037 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14039 if (onmove->useColors) {
14040 SendToProgram(onmove->twoMachinesColor, onmove);
14042 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14043 // SendToProgram("go\n", onmove);
14044 onmove->maybeThinking = TRUE;
14045 SetMachineThinkingEnables();
14049 if(bookHit) { // [HGM] book: simulate book reply
14050 static char bookMove[MSG_SIZ]; // a bit generous?
14052 programStats.nodes = programStats.depth = programStats.time =
14053 programStats.score = programStats.got_only_move = 0;
14054 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14056 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14057 strcat(bookMove, bookHit);
14058 savedMessage = bookMove; // args for deferred call
14059 savedState = onmove;
14060 ScheduleDelayedEvent(DeferredBookMove, 1);
14067 if (gameMode == Training) {
14068 SetTrainingModeOff();
14069 gameMode = PlayFromGameFile;
14070 DisplayMessage("", _("Training mode off"));
14072 gameMode = Training;
14073 animateTraining = appData.animate;
14075 /* make sure we are not already at the end of the game */
14076 if (currentMove < forwardMostMove) {
14077 SetTrainingModeOn();
14078 DisplayMessage("", _("Training mode on"));
14080 gameMode = PlayFromGameFile;
14081 DisplayError(_("Already at end of game"), 0);
14090 if (!appData.icsActive) return;
14091 switch (gameMode) {
14092 case IcsPlayingWhite:
14093 case IcsPlayingBlack:
14096 case BeginningOfGame:
14104 EditPositionDone(TRUE);
14117 gameMode = IcsIdle;
14127 switch (gameMode) {
14129 SetTrainingModeOff();
14131 case MachinePlaysWhite:
14132 case MachinePlaysBlack:
14133 case BeginningOfGame:
14134 SendToProgram("force\n", &first);
14135 SetUserThinkingEnables();
14137 case PlayFromGameFile:
14138 (void) StopLoadGameTimer();
14139 if (gameFileFP != NULL) {
14144 EditPositionDone(TRUE);
14149 SendToProgram("force\n", &first);
14151 case TwoMachinesPlay:
14152 GameEnds(EndOfFile, NULL, GE_PLAYER);
14153 ResurrectChessProgram();
14154 SetUserThinkingEnables();
14157 ResurrectChessProgram();
14159 case IcsPlayingBlack:
14160 case IcsPlayingWhite:
14161 DisplayError(_("Warning: You are still playing a game"), 0);
14164 DisplayError(_("Warning: You are still observing a game"), 0);
14167 DisplayError(_("Warning: You are still examining a game"), 0);
14178 first.offeredDraw = second.offeredDraw = 0;
14180 if (gameMode == PlayFromGameFile) {
14181 whiteTimeRemaining = timeRemaining[0][currentMove];
14182 blackTimeRemaining = timeRemaining[1][currentMove];
14186 if (gameMode == MachinePlaysWhite ||
14187 gameMode == MachinePlaysBlack ||
14188 gameMode == TwoMachinesPlay ||
14189 gameMode == EndOfGame) {
14190 i = forwardMostMove;
14191 while (i > currentMove) {
14192 SendToProgram("undo\n", &first);
14195 if(!adjustedClock) {
14196 whiteTimeRemaining = timeRemaining[0][currentMove];
14197 blackTimeRemaining = timeRemaining[1][currentMove];
14198 DisplayBothClocks();
14200 if (whiteFlag || blackFlag) {
14201 whiteFlag = blackFlag = 0;
14206 gameMode = EditGame;
14213 EditPositionEvent ()
14215 if (gameMode == EditPosition) {
14221 if (gameMode != EditGame) return;
14223 gameMode = EditPosition;
14226 if (currentMove > 0)
14227 CopyBoard(boards[0], boards[currentMove]);
14229 blackPlaysFirst = !WhiteOnMove(currentMove);
14231 currentMove = forwardMostMove = backwardMostMove = 0;
14232 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14234 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14240 /* [DM] icsEngineAnalyze - possible call from other functions */
14241 if (appData.icsEngineAnalyze) {
14242 appData.icsEngineAnalyze = FALSE;
14244 DisplayMessage("",_("Close ICS engine analyze..."));
14246 if (first.analysisSupport && first.analyzing) {
14247 SendToBoth("exit\n");
14248 first.analyzing = second.analyzing = FALSE;
14250 thinkOutput[0] = NULLCHAR;
14254 EditPositionDone (Boolean fakeRights)
14256 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14258 startedFromSetupPosition = TRUE;
14259 InitChessProgram(&first, FALSE);
14260 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14261 boards[0][EP_STATUS] = EP_NONE;
14262 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14263 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14264 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14265 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14266 } else boards[0][CASTLING][2] = NoRights;
14267 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14268 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14269 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14270 } else boards[0][CASTLING][5] = NoRights;
14271 if(gameInfo.variant == VariantSChess) {
14273 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14274 boards[0][VIRGIN][i] = 0;
14275 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14276 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14280 SendToProgram("force\n", &first);
14281 if (blackPlaysFirst) {
14282 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14283 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14284 currentMove = forwardMostMove = backwardMostMove = 1;
14285 CopyBoard(boards[1], boards[0]);
14287 currentMove = forwardMostMove = backwardMostMove = 0;
14289 SendBoard(&first, forwardMostMove);
14290 if (appData.debugMode) {
14291 fprintf(debugFP, "EditPosDone\n");
14294 DisplayMessage("", "");
14295 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14296 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14297 gameMode = EditGame;
14299 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14300 ClearHighlights(); /* [AS] */
14303 /* Pause for `ms' milliseconds */
14304 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14306 TimeDelay (long ms)
14313 } while (SubtractTimeMarks(&m2, &m1) < ms);
14316 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14318 SendMultiLineToICS (char *buf)
14320 char temp[MSG_SIZ+1], *p;
14327 strncpy(temp, buf, len);
14332 if (*p == '\n' || *p == '\r')
14337 strcat(temp, "\n");
14339 SendToPlayer(temp, strlen(temp));
14343 SetWhiteToPlayEvent ()
14345 if (gameMode == EditPosition) {
14346 blackPlaysFirst = FALSE;
14347 DisplayBothClocks(); /* works because currentMove is 0 */
14348 } else if (gameMode == IcsExamining) {
14349 SendToICS(ics_prefix);
14350 SendToICS("tomove white\n");
14355 SetBlackToPlayEvent ()
14357 if (gameMode == EditPosition) {
14358 blackPlaysFirst = TRUE;
14359 currentMove = 1; /* kludge */
14360 DisplayBothClocks();
14362 } else if (gameMode == IcsExamining) {
14363 SendToICS(ics_prefix);
14364 SendToICS("tomove black\n");
14369 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14372 ChessSquare piece = boards[0][y][x];
14374 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14376 switch (selection) {
14378 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14379 SendToICS(ics_prefix);
14380 SendToICS("bsetup clear\n");
14381 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14382 SendToICS(ics_prefix);
14383 SendToICS("clearboard\n");
14385 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14386 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14387 for (y = 0; y < BOARD_HEIGHT; y++) {
14388 if (gameMode == IcsExamining) {
14389 if (boards[currentMove][y][x] != EmptySquare) {
14390 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14395 boards[0][y][x] = p;
14400 if (gameMode == EditPosition) {
14401 DrawPosition(FALSE, boards[0]);
14406 SetWhiteToPlayEvent();
14410 SetBlackToPlayEvent();
14414 if (gameMode == IcsExamining) {
14415 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14416 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14419 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14420 if(x == BOARD_LEFT-2) {
14421 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14422 boards[0][y][1] = 0;
14424 if(x == BOARD_RGHT+1) {
14425 if(y >= gameInfo.holdingsSize) break;
14426 boards[0][y][BOARD_WIDTH-2] = 0;
14429 boards[0][y][x] = EmptySquare;
14430 DrawPosition(FALSE, boards[0]);
14435 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14436 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14437 selection = (ChessSquare) (PROMOTED piece);
14438 } else if(piece == EmptySquare) selection = WhiteSilver;
14439 else selection = (ChessSquare)((int)piece - 1);
14443 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14444 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14445 selection = (ChessSquare) (DEMOTED piece);
14446 } else if(piece == EmptySquare) selection = BlackSilver;
14447 else selection = (ChessSquare)((int)piece + 1);
14452 if(gameInfo.variant == VariantShatranj ||
14453 gameInfo.variant == VariantXiangqi ||
14454 gameInfo.variant == VariantCourier ||
14455 gameInfo.variant == VariantMakruk )
14456 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14461 if(gameInfo.variant == VariantXiangqi)
14462 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14463 if(gameInfo.variant == VariantKnightmate)
14464 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14467 if (gameMode == IcsExamining) {
14468 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14469 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14470 PieceToChar(selection), AAA + x, ONE + y);
14473 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14475 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14476 n = PieceToNumber(selection - BlackPawn);
14477 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14478 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14479 boards[0][BOARD_HEIGHT-1-n][1]++;
14481 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14482 n = PieceToNumber(selection);
14483 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14484 boards[0][n][BOARD_WIDTH-1] = selection;
14485 boards[0][n][BOARD_WIDTH-2]++;
14488 boards[0][y][x] = selection;
14489 DrawPosition(TRUE, boards[0]);
14491 fromX = fromY = -1;
14499 DropMenuEvent (ChessSquare selection, int x, int y)
14501 ChessMove moveType;
14503 switch (gameMode) {
14504 case IcsPlayingWhite:
14505 case MachinePlaysBlack:
14506 if (!WhiteOnMove(currentMove)) {
14507 DisplayMoveError(_("It is Black's turn"));
14510 moveType = WhiteDrop;
14512 case IcsPlayingBlack:
14513 case MachinePlaysWhite:
14514 if (WhiteOnMove(currentMove)) {
14515 DisplayMoveError(_("It is White's turn"));
14518 moveType = BlackDrop;
14521 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14527 if (moveType == BlackDrop && selection < BlackPawn) {
14528 selection = (ChessSquare) ((int) selection
14529 + (int) BlackPawn - (int) WhitePawn);
14531 if (boards[currentMove][y][x] != EmptySquare) {
14532 DisplayMoveError(_("That square is occupied"));
14536 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14542 /* Accept a pending offer of any kind from opponent */
14544 if (appData.icsActive) {
14545 SendToICS(ics_prefix);
14546 SendToICS("accept\n");
14547 } else if (cmailMsgLoaded) {
14548 if (currentMove == cmailOldMove &&
14549 commentList[cmailOldMove] != NULL &&
14550 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14551 "Black offers a draw" : "White offers a draw")) {
14553 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14554 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14556 DisplayError(_("There is no pending offer on this move"), 0);
14557 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14560 /* Not used for offers from chess program */
14567 /* Decline a pending offer of any kind from opponent */
14569 if (appData.icsActive) {
14570 SendToICS(ics_prefix);
14571 SendToICS("decline\n");
14572 } else if (cmailMsgLoaded) {
14573 if (currentMove == cmailOldMove &&
14574 commentList[cmailOldMove] != NULL &&
14575 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14576 "Black offers a draw" : "White offers a draw")) {
14578 AppendComment(cmailOldMove, "Draw declined", TRUE);
14579 DisplayComment(cmailOldMove - 1, "Draw declined");
14582 DisplayError(_("There is no pending offer on this move"), 0);
14585 /* Not used for offers from chess program */
14592 /* Issue ICS rematch command */
14593 if (appData.icsActive) {
14594 SendToICS(ics_prefix);
14595 SendToICS("rematch\n");
14602 /* Call your opponent's flag (claim a win on time) */
14603 if (appData.icsActive) {
14604 SendToICS(ics_prefix);
14605 SendToICS("flag\n");
14607 switch (gameMode) {
14610 case MachinePlaysWhite:
14613 GameEnds(GameIsDrawn, "Both players ran out of time",
14616 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14618 DisplayError(_("Your opponent is not out of time"), 0);
14621 case MachinePlaysBlack:
14624 GameEnds(GameIsDrawn, "Both players ran out of time",
14627 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14629 DisplayError(_("Your opponent is not out of time"), 0);
14637 ClockClick (int which)
14638 { // [HGM] code moved to back-end from winboard.c
14639 if(which) { // black clock
14640 if (gameMode == EditPosition || gameMode == IcsExamining) {
14641 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14642 SetBlackToPlayEvent();
14643 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14644 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14645 } else if (shiftKey) {
14646 AdjustClock(which, -1);
14647 } else if (gameMode == IcsPlayingWhite ||
14648 gameMode == MachinePlaysBlack) {
14651 } else { // white clock
14652 if (gameMode == EditPosition || gameMode == IcsExamining) {
14653 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14654 SetWhiteToPlayEvent();
14655 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14656 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14657 } else if (shiftKey) {
14658 AdjustClock(which, -1);
14659 } else if (gameMode == IcsPlayingBlack ||
14660 gameMode == MachinePlaysWhite) {
14669 /* Offer draw or accept pending draw offer from opponent */
14671 if (appData.icsActive) {
14672 /* Note: tournament rules require draw offers to be
14673 made after you make your move but before you punch
14674 your clock. Currently ICS doesn't let you do that;
14675 instead, you immediately punch your clock after making
14676 a move, but you can offer a draw at any time. */
14678 SendToICS(ics_prefix);
14679 SendToICS("draw\n");
14680 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14681 } else if (cmailMsgLoaded) {
14682 if (currentMove == cmailOldMove &&
14683 commentList[cmailOldMove] != NULL &&
14684 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14685 "Black offers a draw" : "White offers a draw")) {
14686 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14687 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14688 } else if (currentMove == cmailOldMove + 1) {
14689 char *offer = WhiteOnMove(cmailOldMove) ?
14690 "White offers a draw" : "Black offers a draw";
14691 AppendComment(currentMove, offer, TRUE);
14692 DisplayComment(currentMove - 1, offer);
14693 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14695 DisplayError(_("You must make your move before offering a draw"), 0);
14696 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14698 } else if (first.offeredDraw) {
14699 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14701 if (first.sendDrawOffers) {
14702 SendToProgram("draw\n", &first);
14703 userOfferedDraw = TRUE;
14711 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14713 if (appData.icsActive) {
14714 SendToICS(ics_prefix);
14715 SendToICS("adjourn\n");
14717 /* Currently GNU Chess doesn't offer or accept Adjourns */
14725 /* Offer Abort or accept pending Abort offer from opponent */
14727 if (appData.icsActive) {
14728 SendToICS(ics_prefix);
14729 SendToICS("abort\n");
14731 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14738 /* Resign. You can do this even if it's not your turn. */
14740 if (appData.icsActive) {
14741 SendToICS(ics_prefix);
14742 SendToICS("resign\n");
14744 switch (gameMode) {
14745 case MachinePlaysWhite:
14746 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14748 case MachinePlaysBlack:
14749 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14752 if (cmailMsgLoaded) {
14754 if (WhiteOnMove(cmailOldMove)) {
14755 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14757 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14759 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14770 StopObservingEvent ()
14772 /* Stop observing current games */
14773 SendToICS(ics_prefix);
14774 SendToICS("unobserve\n");
14778 StopExaminingEvent ()
14780 /* Stop observing current game */
14781 SendToICS(ics_prefix);
14782 SendToICS("unexamine\n");
14786 ForwardInner (int target)
14788 int limit; int oldSeekGraphUp = seekGraphUp;
14790 if (appData.debugMode)
14791 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14792 target, currentMove, forwardMostMove);
14794 if (gameMode == EditPosition)
14797 seekGraphUp = FALSE;
14798 MarkTargetSquares(1);
14800 if (gameMode == PlayFromGameFile && !pausing)
14803 if (gameMode == IcsExamining && pausing)
14804 limit = pauseExamForwardMostMove;
14806 limit = forwardMostMove;
14808 if (target > limit) target = limit;
14810 if (target > 0 && moveList[target - 1][0]) {
14811 int fromX, fromY, toX, toY;
14812 toX = moveList[target - 1][2] - AAA;
14813 toY = moveList[target - 1][3] - ONE;
14814 if (moveList[target - 1][1] == '@') {
14815 if (appData.highlightLastMove) {
14816 SetHighlights(-1, -1, toX, toY);
14819 fromX = moveList[target - 1][0] - AAA;
14820 fromY = moveList[target - 1][1] - ONE;
14821 if (target == currentMove + 1) {
14822 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14824 if (appData.highlightLastMove) {
14825 SetHighlights(fromX, fromY, toX, toY);
14829 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14830 gameMode == Training || gameMode == PlayFromGameFile ||
14831 gameMode == AnalyzeFile) {
14832 while (currentMove < target) {
14833 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14834 SendMoveToProgram(currentMove++, &first);
14837 currentMove = target;
14840 if (gameMode == EditGame || gameMode == EndOfGame) {
14841 whiteTimeRemaining = timeRemaining[0][currentMove];
14842 blackTimeRemaining = timeRemaining[1][currentMove];
14844 DisplayBothClocks();
14845 DisplayMove(currentMove - 1);
14846 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14847 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14848 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14849 DisplayComment(currentMove - 1, commentList[currentMove]);
14851 ClearMap(); // [HGM] exclude: invalidate map
14858 if (gameMode == IcsExamining && !pausing) {
14859 SendToICS(ics_prefix);
14860 SendToICS("forward\n");
14862 ForwardInner(currentMove + 1);
14869 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14870 /* to optimze, we temporarily turn off analysis mode while we feed
14871 * the remaining moves to the engine. Otherwise we get analysis output
14874 if (first.analysisSupport) {
14875 SendToProgram("exit\nforce\n", &first);
14876 first.analyzing = FALSE;
14880 if (gameMode == IcsExamining && !pausing) {
14881 SendToICS(ics_prefix);
14882 SendToICS("forward 999999\n");
14884 ForwardInner(forwardMostMove);
14887 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14888 /* we have fed all the moves, so reactivate analysis mode */
14889 SendToProgram("analyze\n", &first);
14890 first.analyzing = TRUE;
14891 /*first.maybeThinking = TRUE;*/
14892 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14897 BackwardInner (int target)
14899 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14901 if (appData.debugMode)
14902 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14903 target, currentMove, forwardMostMove);
14905 if (gameMode == EditPosition) return;
14906 seekGraphUp = FALSE;
14907 MarkTargetSquares(1);
14908 if (currentMove <= backwardMostMove) {
14910 DrawPosition(full_redraw, boards[currentMove]);
14913 if (gameMode == PlayFromGameFile && !pausing)
14916 if (moveList[target][0]) {
14917 int fromX, fromY, toX, toY;
14918 toX = moveList[target][2] - AAA;
14919 toY = moveList[target][3] - ONE;
14920 if (moveList[target][1] == '@') {
14921 if (appData.highlightLastMove) {
14922 SetHighlights(-1, -1, toX, toY);
14925 fromX = moveList[target][0] - AAA;
14926 fromY = moveList[target][1] - ONE;
14927 if (target == currentMove - 1) {
14928 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14930 if (appData.highlightLastMove) {
14931 SetHighlights(fromX, fromY, toX, toY);
14935 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14936 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14937 while (currentMove > target) {
14938 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14939 // null move cannot be undone. Reload program with move history before it.
14941 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14942 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14944 SendBoard(&first, i);
14945 if(second.analyzing) SendBoard(&second, i);
14946 for(currentMove=i; currentMove<target; currentMove++) {
14947 SendMoveToProgram(currentMove, &first);
14948 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14952 SendToBoth("undo\n");
14956 currentMove = target;
14959 if (gameMode == EditGame || gameMode == EndOfGame) {
14960 whiteTimeRemaining = timeRemaining[0][currentMove];
14961 blackTimeRemaining = timeRemaining[1][currentMove];
14963 DisplayBothClocks();
14964 DisplayMove(currentMove - 1);
14965 DrawPosition(full_redraw, boards[currentMove]);
14966 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14967 // [HGM] PV info: routine tests if comment empty
14968 DisplayComment(currentMove - 1, commentList[currentMove]);
14969 ClearMap(); // [HGM] exclude: invalidate map
14975 if (gameMode == IcsExamining && !pausing) {
14976 SendToICS(ics_prefix);
14977 SendToICS("backward\n");
14979 BackwardInner(currentMove - 1);
14986 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14987 /* to optimize, we temporarily turn off analysis mode while we undo
14988 * all the moves. Otherwise we get analysis output after each undo.
14990 if (first.analysisSupport) {
14991 SendToProgram("exit\nforce\n", &first);
14992 first.analyzing = FALSE;
14996 if (gameMode == IcsExamining && !pausing) {
14997 SendToICS(ics_prefix);
14998 SendToICS("backward 999999\n");
15000 BackwardInner(backwardMostMove);
15003 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15004 /* we have fed all the moves, so reactivate analysis mode */
15005 SendToProgram("analyze\n", &first);
15006 first.analyzing = TRUE;
15007 /*first.maybeThinking = TRUE;*/
15008 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15015 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15016 if (to >= forwardMostMove) to = forwardMostMove;
15017 if (to <= backwardMostMove) to = backwardMostMove;
15018 if (to < currentMove) {
15026 RevertEvent (Boolean annotate)
15028 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15031 if (gameMode != IcsExamining) {
15032 DisplayError(_("You are not examining a game"), 0);
15036 DisplayError(_("You can't revert while pausing"), 0);
15039 SendToICS(ics_prefix);
15040 SendToICS("revert\n");
15044 RetractMoveEvent ()
15046 switch (gameMode) {
15047 case MachinePlaysWhite:
15048 case MachinePlaysBlack:
15049 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15050 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15053 if (forwardMostMove < 2) return;
15054 currentMove = forwardMostMove = forwardMostMove - 2;
15055 whiteTimeRemaining = timeRemaining[0][currentMove];
15056 blackTimeRemaining = timeRemaining[1][currentMove];
15057 DisplayBothClocks();
15058 DisplayMove(currentMove - 1);
15059 ClearHighlights();/*!! could figure this out*/
15060 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15061 SendToProgram("remove\n", &first);
15062 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15065 case BeginningOfGame:
15069 case IcsPlayingWhite:
15070 case IcsPlayingBlack:
15071 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15072 SendToICS(ics_prefix);
15073 SendToICS("takeback 2\n");
15075 SendToICS(ics_prefix);
15076 SendToICS("takeback 1\n");
15085 ChessProgramState *cps;
15087 switch (gameMode) {
15088 case MachinePlaysWhite:
15089 if (!WhiteOnMove(forwardMostMove)) {
15090 DisplayError(_("It is your turn"), 0);
15095 case MachinePlaysBlack:
15096 if (WhiteOnMove(forwardMostMove)) {
15097 DisplayError(_("It is your turn"), 0);
15102 case TwoMachinesPlay:
15103 if (WhiteOnMove(forwardMostMove) ==
15104 (first.twoMachinesColor[0] == 'w')) {
15110 case BeginningOfGame:
15114 SendToProgram("?\n", cps);
15118 TruncateGameEvent ()
15121 if (gameMode != EditGame) return;
15128 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15129 if (forwardMostMove > currentMove) {
15130 if (gameInfo.resultDetails != NULL) {
15131 free(gameInfo.resultDetails);
15132 gameInfo.resultDetails = NULL;
15133 gameInfo.result = GameUnfinished;
15135 forwardMostMove = currentMove;
15136 HistorySet(parseList, backwardMostMove, forwardMostMove,
15144 if (appData.noChessProgram) return;
15145 switch (gameMode) {
15146 case MachinePlaysWhite:
15147 if (WhiteOnMove(forwardMostMove)) {
15148 DisplayError(_("Wait until your turn"), 0);
15152 case BeginningOfGame:
15153 case MachinePlaysBlack:
15154 if (!WhiteOnMove(forwardMostMove)) {
15155 DisplayError(_("Wait until your turn"), 0);
15160 DisplayError(_("No hint available"), 0);
15163 SendToProgram("hint\n", &first);
15164 hintRequested = TRUE;
15170 ListGame * lg = (ListGame *) gameList.head;
15173 static int secondTime = FALSE;
15175 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15176 DisplayError(_("Game list not loaded or empty"), 0);
15180 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15183 DisplayNote(_("Book file exists! Try again for overwrite."));
15187 creatingBook = TRUE;
15188 secondTime = FALSE;
15190 /* Get list size */
15191 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15192 LoadGame(f, nItem, "", TRUE);
15193 AddGameToBook(TRUE);
15194 lg = (ListGame *) lg->node.succ;
15197 creatingBook = FALSE;
15204 if (appData.noChessProgram) return;
15205 switch (gameMode) {
15206 case MachinePlaysWhite:
15207 if (WhiteOnMove(forwardMostMove)) {
15208 DisplayError(_("Wait until your turn"), 0);
15212 case BeginningOfGame:
15213 case MachinePlaysBlack:
15214 if (!WhiteOnMove(forwardMostMove)) {
15215 DisplayError(_("Wait until your turn"), 0);
15220 EditPositionDone(TRUE);
15222 case TwoMachinesPlay:
15227 SendToProgram("bk\n", &first);
15228 bookOutput[0] = NULLCHAR;
15229 bookRequested = TRUE;
15235 char *tags = PGNTags(&gameInfo);
15236 TagsPopUp(tags, CmailMsg());
15240 /* end button procedures */
15243 PrintPosition (FILE *fp, int move)
15247 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15248 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15249 char c = PieceToChar(boards[move][i][j]);
15250 fputc(c == 'x' ? '.' : c, fp);
15251 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15254 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15255 fprintf(fp, "white to play\n");
15257 fprintf(fp, "black to play\n");
15261 PrintOpponents (FILE *fp)
15263 if (gameInfo.white != NULL) {
15264 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15270 /* Find last component of program's own name, using some heuristics */
15272 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15275 int local = (strcmp(host, "localhost") == 0);
15276 while (!local && (p = strchr(prog, ';')) != NULL) {
15278 while (*p == ' ') p++;
15281 if (*prog == '"' || *prog == '\'') {
15282 q = strchr(prog + 1, *prog);
15284 q = strchr(prog, ' ');
15286 if (q == NULL) q = prog + strlen(prog);
15288 while (p >= prog && *p != '/' && *p != '\\') p--;
15290 if(p == prog && *p == '"') p++;
15292 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15293 memcpy(buf, p, q - p);
15294 buf[q - p] = NULLCHAR;
15302 TimeControlTagValue ()
15305 if (!appData.clockMode) {
15306 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15307 } else if (movesPerSession > 0) {
15308 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15309 } else if (timeIncrement == 0) {
15310 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15312 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15314 return StrSave(buf);
15320 /* This routine is used only for certain modes */
15321 VariantClass v = gameInfo.variant;
15322 ChessMove r = GameUnfinished;
15325 if(keepInfo) return;
15327 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15328 r = gameInfo.result;
15329 p = gameInfo.resultDetails;
15330 gameInfo.resultDetails = NULL;
15332 ClearGameInfo(&gameInfo);
15333 gameInfo.variant = v;
15335 switch (gameMode) {
15336 case MachinePlaysWhite:
15337 gameInfo.event = StrSave( appData.pgnEventHeader );
15338 gameInfo.site = StrSave(HostName());
15339 gameInfo.date = PGNDate();
15340 gameInfo.round = StrSave("-");
15341 gameInfo.white = StrSave(first.tidy);
15342 gameInfo.black = StrSave(UserName());
15343 gameInfo.timeControl = TimeControlTagValue();
15346 case MachinePlaysBlack:
15347 gameInfo.event = StrSave( appData.pgnEventHeader );
15348 gameInfo.site = StrSave(HostName());
15349 gameInfo.date = PGNDate();
15350 gameInfo.round = StrSave("-");
15351 gameInfo.white = StrSave(UserName());
15352 gameInfo.black = StrSave(first.tidy);
15353 gameInfo.timeControl = TimeControlTagValue();
15356 case TwoMachinesPlay:
15357 gameInfo.event = StrSave( appData.pgnEventHeader );
15358 gameInfo.site = StrSave(HostName());
15359 gameInfo.date = PGNDate();
15362 snprintf(buf, MSG_SIZ, "%d", roundNr);
15363 gameInfo.round = StrSave(buf);
15365 gameInfo.round = StrSave("-");
15367 if (first.twoMachinesColor[0] == 'w') {
15368 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15369 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15371 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15372 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15374 gameInfo.timeControl = TimeControlTagValue();
15378 gameInfo.event = StrSave("Edited game");
15379 gameInfo.site = StrSave(HostName());
15380 gameInfo.date = PGNDate();
15381 gameInfo.round = StrSave("-");
15382 gameInfo.white = StrSave("-");
15383 gameInfo.black = StrSave("-");
15384 gameInfo.result = r;
15385 gameInfo.resultDetails = p;
15389 gameInfo.event = StrSave("Edited position");
15390 gameInfo.site = StrSave(HostName());
15391 gameInfo.date = PGNDate();
15392 gameInfo.round = StrSave("-");
15393 gameInfo.white = StrSave("-");
15394 gameInfo.black = StrSave("-");
15397 case IcsPlayingWhite:
15398 case IcsPlayingBlack:
15403 case PlayFromGameFile:
15404 gameInfo.event = StrSave("Game from non-PGN file");
15405 gameInfo.site = StrSave(HostName());
15406 gameInfo.date = PGNDate();
15407 gameInfo.round = StrSave("-");
15408 gameInfo.white = StrSave("?");
15409 gameInfo.black = StrSave("?");
15418 ReplaceComment (int index, char *text)
15424 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15425 pvInfoList[index-1].depth == len &&
15426 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15427 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15428 while (*text == '\n') text++;
15429 len = strlen(text);
15430 while (len > 0 && text[len - 1] == '\n') len--;
15432 if (commentList[index] != NULL)
15433 free(commentList[index]);
15436 commentList[index] = NULL;
15439 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15440 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15441 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15442 commentList[index] = (char *) malloc(len + 2);
15443 strncpy(commentList[index], text, len);
15444 commentList[index][len] = '\n';
15445 commentList[index][len + 1] = NULLCHAR;
15447 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15449 commentList[index] = (char *) malloc(len + 7);
15450 safeStrCpy(commentList[index], "{\n", 3);
15451 safeStrCpy(commentList[index]+2, text, len+1);
15452 commentList[index][len+2] = NULLCHAR;
15453 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15454 strcat(commentList[index], "\n}\n");
15459 CrushCRs (char *text)
15467 if (ch == '\r') continue;
15469 } while (ch != '\0');
15473 AppendComment (int index, char *text, Boolean addBraces)
15474 /* addBraces tells if we should add {} */
15479 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15480 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15483 while (*text == '\n') text++;
15484 len = strlen(text);
15485 while (len > 0 && text[len - 1] == '\n') len--;
15486 text[len] = NULLCHAR;
15488 if (len == 0) return;
15490 if (commentList[index] != NULL) {
15491 Boolean addClosingBrace = addBraces;
15492 old = commentList[index];
15493 oldlen = strlen(old);
15494 while(commentList[index][oldlen-1] == '\n')
15495 commentList[index][--oldlen] = NULLCHAR;
15496 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15497 safeStrCpy(commentList[index], old, oldlen + len + 6);
15499 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15500 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15501 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15502 while (*text == '\n') { text++; len--; }
15503 commentList[index][--oldlen] = NULLCHAR;
15505 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15506 else strcat(commentList[index], "\n");
15507 strcat(commentList[index], text);
15508 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15509 else strcat(commentList[index], "\n");
15511 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15513 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15514 else commentList[index][0] = NULLCHAR;
15515 strcat(commentList[index], text);
15516 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15517 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15522 FindStr (char * text, char * sub_text)
15524 char * result = strstr( text, sub_text );
15526 if( result != NULL ) {
15527 result += strlen( sub_text );
15533 /* [AS] Try to extract PV info from PGN comment */
15534 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15536 GetInfoFromComment (int index, char * text)
15538 char * sep = text, *p;
15540 if( text != NULL && index > 0 ) {
15543 int time = -1, sec = 0, deci;
15544 char * s_eval = FindStr( text, "[%eval " );
15545 char * s_emt = FindStr( text, "[%emt " );
15547 if( s_eval != NULL || s_emt != NULL ) {
15551 if( s_eval != NULL ) {
15552 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15556 if( delim != ']' ) {
15561 if( s_emt != NULL ) {
15566 /* We expect something like: [+|-]nnn.nn/dd */
15569 if(*text != '{') return text; // [HGM] braces: must be normal comment
15571 sep = strchr( text, '/' );
15572 if( sep == NULL || sep < (text+4) ) {
15577 if(p[1] == '(') { // comment starts with PV
15578 p = strchr(p, ')'); // locate end of PV
15579 if(p == NULL || sep < p+5) return text;
15580 // at this point we have something like "{(.*) +0.23/6 ..."
15581 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15582 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15583 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15585 time = -1; sec = -1; deci = -1;
15586 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15587 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15588 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15589 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15593 if( score_lo < 0 || score_lo >= 100 ) {
15597 if(sec >= 0) time = 600*time + 10*sec; else
15598 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15600 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15602 /* [HGM] PV time: now locate end of PV info */
15603 while( *++sep >= '0' && *sep <= '9'); // strip depth
15605 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15607 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15609 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15610 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15621 pvInfoList[index-1].depth = depth;
15622 pvInfoList[index-1].score = score;
15623 pvInfoList[index-1].time = 10*time; // centi-sec
15624 if(*sep == '}') *sep = 0; else *--sep = '{';
15625 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15631 SendToProgram (char *message, ChessProgramState *cps)
15633 int count, outCount, error;
15636 if (cps->pr == NoProc) return;
15639 if (appData.debugMode) {
15642 fprintf(debugFP, "%ld >%-6s: %s",
15643 SubtractTimeMarks(&now, &programStartTime),
15644 cps->which, message);
15646 fprintf(serverFP, "%ld >%-6s: %s",
15647 SubtractTimeMarks(&now, &programStartTime),
15648 cps->which, message), fflush(serverFP);
15651 count = strlen(message);
15652 outCount = OutputToProcess(cps->pr, message, count, &error);
15653 if (outCount < count && !exiting
15654 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15655 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15656 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15657 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15658 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15659 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15660 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15661 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15663 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15664 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15665 gameInfo.result = res;
15667 gameInfo.resultDetails = StrSave(buf);
15669 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15670 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15675 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15679 ChessProgramState *cps = (ChessProgramState *)closure;
15681 if (isr != cps->isr) return; /* Killed intentionally */
15684 RemoveInputSource(cps->isr);
15685 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15686 _(cps->which), cps->program);
15687 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15688 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15689 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15690 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15691 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15692 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15694 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15695 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15696 gameInfo.result = res;
15698 gameInfo.resultDetails = StrSave(buf);
15700 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15701 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15703 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15704 _(cps->which), cps->program);
15705 RemoveInputSource(cps->isr);
15707 /* [AS] Program is misbehaving badly... kill it */
15708 if( count == -2 ) {
15709 DestroyChildProcess( cps->pr, 9 );
15713 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15718 if ((end_str = strchr(message, '\r')) != NULL)
15719 *end_str = NULLCHAR;
15720 if ((end_str = strchr(message, '\n')) != NULL)
15721 *end_str = NULLCHAR;
15723 if (appData.debugMode) {
15724 TimeMark now; int print = 1;
15725 char *quote = ""; char c; int i;
15727 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15728 char start = message[0];
15729 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15730 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15731 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15732 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15733 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15734 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15735 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15736 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15737 sscanf(message, "hint: %c", &c)!=1 &&
15738 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15739 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15740 print = (appData.engineComments >= 2);
15742 message[0] = start; // restore original message
15746 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15747 SubtractTimeMarks(&now, &programStartTime), cps->which,
15751 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15752 SubtractTimeMarks(&now, &programStartTime), cps->which,
15754 message), fflush(serverFP);
15758 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15759 if (appData.icsEngineAnalyze) {
15760 if (strstr(message, "whisper") != NULL ||
15761 strstr(message, "kibitz") != NULL ||
15762 strstr(message, "tellics") != NULL) return;
15765 HandleMachineMove(message, cps);
15770 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15775 if( timeControl_2 > 0 ) {
15776 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15777 tc = timeControl_2;
15780 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15781 inc /= cps->timeOdds;
15782 st /= cps->timeOdds;
15784 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15787 /* Set exact time per move, normally using st command */
15788 if (cps->stKludge) {
15789 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15791 if (seconds == 0) {
15792 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15794 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15797 snprintf(buf, MSG_SIZ, "st %d\n", st);
15800 /* Set conventional or incremental time control, using level command */
15801 if (seconds == 0) {
15802 /* Note old gnuchess bug -- minutes:seconds used to not work.
15803 Fixed in later versions, but still avoid :seconds
15804 when seconds is 0. */
15805 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15807 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15808 seconds, inc/1000.);
15811 SendToProgram(buf, cps);
15813 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15814 /* Orthogonally, limit search to given depth */
15816 if (cps->sdKludge) {
15817 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15819 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15821 SendToProgram(buf, cps);
15824 if(cps->nps >= 0) { /* [HGM] nps */
15825 if(cps->supportsNPS == FALSE)
15826 cps->nps = -1; // don't use if engine explicitly says not supported!
15828 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15829 SendToProgram(buf, cps);
15834 ChessProgramState *
15836 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15838 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15839 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15845 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15847 char message[MSG_SIZ];
15850 /* Note: this routine must be called when the clocks are stopped
15851 or when they have *just* been set or switched; otherwise
15852 it will be off by the time since the current tick started.
15854 if (machineWhite) {
15855 time = whiteTimeRemaining / 10;
15856 otime = blackTimeRemaining / 10;
15858 time = blackTimeRemaining / 10;
15859 otime = whiteTimeRemaining / 10;
15861 /* [HGM] translate opponent's time by time-odds factor */
15862 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15864 if (time <= 0) time = 1;
15865 if (otime <= 0) otime = 1;
15867 snprintf(message, MSG_SIZ, "time %ld\n", time);
15868 SendToProgram(message, cps);
15870 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15871 SendToProgram(message, cps);
15875 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15878 int len = strlen(name);
15881 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15883 sscanf(*p, "%d", &val);
15885 while (**p && **p != ' ')
15887 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15888 SendToProgram(buf, cps);
15895 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15898 int len = strlen(name);
15899 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15901 sscanf(*p, "%d", loc);
15902 while (**p && **p != ' ') (*p)++;
15903 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15904 SendToProgram(buf, cps);
15911 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15914 int len = strlen(name);
15915 if (strncmp((*p), name, len) == 0
15916 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15918 sscanf(*p, "%[^\"]", loc);
15919 while (**p && **p != '\"') (*p)++;
15920 if (**p == '\"') (*p)++;
15921 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15922 SendToProgram(buf, cps);
15929 ParseOption (Option *opt, ChessProgramState *cps)
15930 // [HGM] options: process the string that defines an engine option, and determine
15931 // name, type, default value, and allowed value range
15933 char *p, *q, buf[MSG_SIZ];
15934 int n, min = (-1)<<31, max = 1<<31, def;
15936 if(p = strstr(opt->name, " -spin ")) {
15937 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15938 if(max < min) max = min; // enforce consistency
15939 if(def < min) def = min;
15940 if(def > max) def = max;
15945 } else if((p = strstr(opt->name, " -slider "))) {
15946 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15947 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15948 if(max < min) max = min; // enforce consistency
15949 if(def < min) def = min;
15950 if(def > max) def = max;
15954 opt->type = Spin; // Slider;
15955 } else if((p = strstr(opt->name, " -string "))) {
15956 opt->textValue = p+9;
15957 opt->type = TextBox;
15958 } else if((p = strstr(opt->name, " -file "))) {
15959 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15960 opt->textValue = p+7;
15961 opt->type = FileName; // FileName;
15962 } else if((p = strstr(opt->name, " -path "))) {
15963 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15964 opt->textValue = p+7;
15965 opt->type = PathName; // PathName;
15966 } else if(p = strstr(opt->name, " -check ")) {
15967 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15968 opt->value = (def != 0);
15969 opt->type = CheckBox;
15970 } else if(p = strstr(opt->name, " -combo ")) {
15971 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15972 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15973 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15974 opt->value = n = 0;
15975 while(q = StrStr(q, " /// ")) {
15976 n++; *q = 0; // count choices, and null-terminate each of them
15978 if(*q == '*') { // remember default, which is marked with * prefix
15982 cps->comboList[cps->comboCnt++] = q;
15984 cps->comboList[cps->comboCnt++] = NULL;
15986 opt->type = ComboBox;
15987 } else if(p = strstr(opt->name, " -button")) {
15988 opt->type = Button;
15989 } else if(p = strstr(opt->name, " -save")) {
15990 opt->type = SaveButton;
15991 } else return FALSE;
15992 *p = 0; // terminate option name
15993 // now look if the command-line options define a setting for this engine option.
15994 if(cps->optionSettings && cps->optionSettings[0])
15995 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15996 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15997 snprintf(buf, MSG_SIZ, "option %s", p);
15998 if(p = strstr(buf, ",")) *p = 0;
15999 if(q = strchr(buf, '=')) switch(opt->type) {
16001 for(n=0; n<opt->max; n++)
16002 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16005 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16009 opt->value = atoi(q+1);
16014 SendToProgram(buf, cps);
16020 FeatureDone (ChessProgramState *cps, int val)
16022 DelayedEventCallback cb = GetDelayedEvent();
16023 if ((cb == InitBackEnd3 && cps == &first) ||
16024 (cb == SettingsMenuIfReady && cps == &second) ||
16025 (cb == LoadEngine) ||
16026 (cb == TwoMachinesEventIfReady)) {
16027 CancelDelayedEvent();
16028 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16030 cps->initDone = val;
16031 if(val) cps->reload = FALSE;
16034 /* Parse feature command from engine */
16036 ParseFeatures (char *args, ChessProgramState *cps)
16044 while (*p == ' ') p++;
16045 if (*p == NULLCHAR) return;
16047 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16048 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16049 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16050 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16051 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16052 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16053 if (BoolFeature(&p, "reuse", &val, cps)) {
16054 /* Engine can disable reuse, but can't enable it if user said no */
16055 if (!val) cps->reuse = FALSE;
16058 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16059 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16060 if (gameMode == TwoMachinesPlay) {
16061 DisplayTwoMachinesTitle();
16067 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16068 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16069 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16070 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16071 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16072 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16073 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16074 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16075 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16076 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16077 if (IntFeature(&p, "done", &val, cps)) {
16078 FeatureDone(cps, val);
16081 /* Added by Tord: */
16082 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16083 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16084 /* End of additions by Tord */
16086 /* [HGM] added features: */
16087 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16088 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16089 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16090 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16091 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16092 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16093 if (StringFeature(&p, "option", buf, cps)) {
16094 if(cps->reload) continue; // we are reloading because of xreuse
16095 FREE(cps->option[cps->nrOptions].name);
16096 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16097 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16098 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16099 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16100 SendToProgram(buf, cps);
16103 if(cps->nrOptions >= MAX_OPTIONS) {
16105 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16106 DisplayError(buf, 0);
16110 /* End of additions by HGM */
16112 /* unknown feature: complain and skip */
16114 while (*q && *q != '=') q++;
16115 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16116 SendToProgram(buf, cps);
16122 while (*p && *p != '\"') p++;
16123 if (*p == '\"') p++;
16125 while (*p && *p != ' ') p++;
16133 PeriodicUpdatesEvent (int newState)
16135 if (newState == appData.periodicUpdates)
16138 appData.periodicUpdates=newState;
16140 /* Display type changes, so update it now */
16141 // DisplayAnalysis();
16143 /* Get the ball rolling again... */
16145 AnalysisPeriodicEvent(1);
16146 StartAnalysisClock();
16151 PonderNextMoveEvent (int newState)
16153 if (newState == appData.ponderNextMove) return;
16154 if (gameMode == EditPosition) EditPositionDone(TRUE);
16156 SendToProgram("hard\n", &first);
16157 if (gameMode == TwoMachinesPlay) {
16158 SendToProgram("hard\n", &second);
16161 SendToProgram("easy\n", &first);
16162 thinkOutput[0] = NULLCHAR;
16163 if (gameMode == TwoMachinesPlay) {
16164 SendToProgram("easy\n", &second);
16167 appData.ponderNextMove = newState;
16171 NewSettingEvent (int option, int *feature, char *command, int value)
16175 if (gameMode == EditPosition) EditPositionDone(TRUE);
16176 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16177 if(feature == NULL || *feature) SendToProgram(buf, &first);
16178 if (gameMode == TwoMachinesPlay) {
16179 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16184 ShowThinkingEvent ()
16185 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16187 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16188 int newState = appData.showThinking
16189 // [HGM] thinking: other features now need thinking output as well
16190 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16192 if (oldState == newState) return;
16193 oldState = newState;
16194 if (gameMode == EditPosition) EditPositionDone(TRUE);
16196 SendToProgram("post\n", &first);
16197 if (gameMode == TwoMachinesPlay) {
16198 SendToProgram("post\n", &second);
16201 SendToProgram("nopost\n", &first);
16202 thinkOutput[0] = NULLCHAR;
16203 if (gameMode == TwoMachinesPlay) {
16204 SendToProgram("nopost\n", &second);
16207 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16211 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16213 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16214 if (pr == NoProc) return;
16215 AskQuestion(title, question, replyPrefix, pr);
16219 TypeInEvent (char firstChar)
16221 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16222 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16223 gameMode == AnalyzeMode || gameMode == EditGame ||
16224 gameMode == EditPosition || gameMode == IcsExamining ||
16225 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16226 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16227 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16228 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16229 gameMode == Training) PopUpMoveDialog(firstChar);
16233 TypeInDoneEvent (char *move)
16236 int n, fromX, fromY, toX, toY;
16238 ChessMove moveType;
16241 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16242 EditPositionPasteFEN(move);
16245 // [HGM] movenum: allow move number to be typed in any mode
16246 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16250 // undocumented kludge: allow command-line option to be typed in!
16251 // (potentially fatal, and does not implement the effect of the option.)
16252 // should only be used for options that are values on which future decisions will be made,
16253 // and definitely not on options that would be used during initialization.
16254 if(strstr(move, "!!! -") == move) {
16255 ParseArgsFromString(move+4);
16259 if (gameMode != EditGame && currentMove != forwardMostMove &&
16260 gameMode != Training) {
16261 DisplayMoveError(_("Displayed move is not current"));
16263 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16264 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16265 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16266 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16267 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16268 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16270 DisplayMoveError(_("Could not parse move"));
16276 DisplayMove (int moveNumber)
16278 char message[MSG_SIZ];
16280 char cpThinkOutput[MSG_SIZ];
16282 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16284 if (moveNumber == forwardMostMove - 1 ||
16285 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16287 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16289 if (strchr(cpThinkOutput, '\n')) {
16290 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16293 *cpThinkOutput = NULLCHAR;
16296 /* [AS] Hide thinking from human user */
16297 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16298 *cpThinkOutput = NULLCHAR;
16299 if( thinkOutput[0] != NULLCHAR ) {
16302 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16303 cpThinkOutput[i] = '.';
16305 cpThinkOutput[i] = NULLCHAR;
16306 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16310 if (moveNumber == forwardMostMove - 1 &&
16311 gameInfo.resultDetails != NULL) {
16312 if (gameInfo.resultDetails[0] == NULLCHAR) {
16313 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16315 snprintf(res, MSG_SIZ, " {%s} %s",
16316 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16322 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16323 DisplayMessage(res, cpThinkOutput);
16325 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16326 WhiteOnMove(moveNumber) ? " " : ".. ",
16327 parseList[moveNumber], res);
16328 DisplayMessage(message, cpThinkOutput);
16333 DisplayComment (int moveNumber, char *text)
16335 char title[MSG_SIZ];
16337 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16338 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16340 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16341 WhiteOnMove(moveNumber) ? " " : ".. ",
16342 parseList[moveNumber]);
16344 if (text != NULL && (appData.autoDisplayComment || commentUp))
16345 CommentPopUp(title, text);
16348 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16349 * might be busy thinking or pondering. It can be omitted if your
16350 * gnuchess is configured to stop thinking immediately on any user
16351 * input. However, that gnuchess feature depends on the FIONREAD
16352 * ioctl, which does not work properly on some flavors of Unix.
16355 Attention (ChessProgramState *cps)
16358 if (!cps->useSigint) return;
16359 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16360 switch (gameMode) {
16361 case MachinePlaysWhite:
16362 case MachinePlaysBlack:
16363 case TwoMachinesPlay:
16364 case IcsPlayingWhite:
16365 case IcsPlayingBlack:
16368 /* Skip if we know it isn't thinking */
16369 if (!cps->maybeThinking) return;
16370 if (appData.debugMode)
16371 fprintf(debugFP, "Interrupting %s\n", cps->which);
16372 InterruptChildProcess(cps->pr);
16373 cps->maybeThinking = FALSE;
16378 #endif /*ATTENTION*/
16384 if (whiteTimeRemaining <= 0) {
16387 if (appData.icsActive) {
16388 if (appData.autoCallFlag &&
16389 gameMode == IcsPlayingBlack && !blackFlag) {
16390 SendToICS(ics_prefix);
16391 SendToICS("flag\n");
16395 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16397 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16398 if (appData.autoCallFlag) {
16399 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16406 if (blackTimeRemaining <= 0) {
16409 if (appData.icsActive) {
16410 if (appData.autoCallFlag &&
16411 gameMode == IcsPlayingWhite && !whiteFlag) {
16412 SendToICS(ics_prefix);
16413 SendToICS("flag\n");
16417 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16419 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16420 if (appData.autoCallFlag) {
16421 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16432 CheckTimeControl ()
16434 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16435 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16438 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16440 if ( !WhiteOnMove(forwardMostMove) ) {
16441 /* White made time control */
16442 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16443 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16444 /* [HGM] time odds: correct new time quota for time odds! */
16445 / WhitePlayer()->timeOdds;
16446 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16448 lastBlack -= blackTimeRemaining;
16449 /* Black made time control */
16450 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16451 / WhitePlayer()->other->timeOdds;
16452 lastWhite = whiteTimeRemaining;
16457 DisplayBothClocks ()
16459 int wom = gameMode == EditPosition ?
16460 !blackPlaysFirst : WhiteOnMove(currentMove);
16461 DisplayWhiteClock(whiteTimeRemaining, wom);
16462 DisplayBlackClock(blackTimeRemaining, !wom);
16466 /* Timekeeping seems to be a portability nightmare. I think everyone
16467 has ftime(), but I'm really not sure, so I'm including some ifdefs
16468 to use other calls if you don't. Clocks will be less accurate if
16469 you have neither ftime nor gettimeofday.
16472 /* VS 2008 requires the #include outside of the function */
16473 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16474 #include <sys/timeb.h>
16477 /* Get the current time as a TimeMark */
16479 GetTimeMark (TimeMark *tm)
16481 #if HAVE_GETTIMEOFDAY
16483 struct timeval timeVal;
16484 struct timezone timeZone;
16486 gettimeofday(&timeVal, &timeZone);
16487 tm->sec = (long) timeVal.tv_sec;
16488 tm->ms = (int) (timeVal.tv_usec / 1000L);
16490 #else /*!HAVE_GETTIMEOFDAY*/
16493 // include <sys/timeb.h> / moved to just above start of function
16494 struct timeb timeB;
16497 tm->sec = (long) timeB.time;
16498 tm->ms = (int) timeB.millitm;
16500 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16501 tm->sec = (long) time(NULL);
16507 /* Return the difference in milliseconds between two
16508 time marks. We assume the difference will fit in a long!
16511 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16513 return 1000L*(tm2->sec - tm1->sec) +
16514 (long) (tm2->ms - tm1->ms);
16519 * Code to manage the game clocks.
16521 * In tournament play, black starts the clock and then white makes a move.
16522 * We give the human user a slight advantage if he is playing white---the
16523 * clocks don't run until he makes his first move, so it takes zero time.
16524 * Also, we don't account for network lag, so we could get out of sync
16525 * with GNU Chess's clock -- but then, referees are always right.
16528 static TimeMark tickStartTM;
16529 static long intendedTickLength;
16532 NextTickLength (long timeRemaining)
16534 long nominalTickLength, nextTickLength;
16536 if (timeRemaining > 0L && timeRemaining <= 10000L)
16537 nominalTickLength = 100L;
16539 nominalTickLength = 1000L;
16540 nextTickLength = timeRemaining % nominalTickLength;
16541 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16543 return nextTickLength;
16546 /* Adjust clock one minute up or down */
16548 AdjustClock (Boolean which, int dir)
16550 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16551 if(which) blackTimeRemaining += 60000*dir;
16552 else whiteTimeRemaining += 60000*dir;
16553 DisplayBothClocks();
16554 adjustedClock = TRUE;
16557 /* Stop clocks and reset to a fresh time control */
16561 (void) StopClockTimer();
16562 if (appData.icsActive) {
16563 whiteTimeRemaining = blackTimeRemaining = 0;
16564 } else if (searchTime) {
16565 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16566 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16567 } else { /* [HGM] correct new time quote for time odds */
16568 whiteTC = blackTC = fullTimeControlString;
16569 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16570 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16572 if (whiteFlag || blackFlag) {
16574 whiteFlag = blackFlag = FALSE;
16576 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16577 DisplayBothClocks();
16578 adjustedClock = FALSE;
16581 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16583 /* Decrement running clock by amount of time that has passed */
16587 long timeRemaining;
16588 long lastTickLength, fudge;
16591 if (!appData.clockMode) return;
16592 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16596 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16598 /* Fudge if we woke up a little too soon */
16599 fudge = intendedTickLength - lastTickLength;
16600 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16602 if (WhiteOnMove(forwardMostMove)) {
16603 if(whiteNPS >= 0) lastTickLength = 0;
16604 timeRemaining = whiteTimeRemaining -= lastTickLength;
16605 if(timeRemaining < 0 && !appData.icsActive) {
16606 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16607 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16608 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16609 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16612 DisplayWhiteClock(whiteTimeRemaining - fudge,
16613 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16615 if(blackNPS >= 0) lastTickLength = 0;
16616 timeRemaining = blackTimeRemaining -= lastTickLength;
16617 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16618 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16620 blackStartMove = forwardMostMove;
16621 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16624 DisplayBlackClock(blackTimeRemaining - fudge,
16625 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16627 if (CheckFlags()) return;
16629 if(twoBoards) { // count down secondary board's clocks as well
16630 activePartnerTime -= lastTickLength;
16632 if(activePartner == 'W')
16633 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16635 DisplayBlackClock(activePartnerTime, TRUE);
16640 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16641 StartClockTimer(intendedTickLength);
16643 /* if the time remaining has fallen below the alarm threshold, sound the
16644 * alarm. if the alarm has sounded and (due to a takeback or time control
16645 * with increment) the time remaining has increased to a level above the
16646 * threshold, reset the alarm so it can sound again.
16649 if (appData.icsActive && appData.icsAlarm) {
16651 /* make sure we are dealing with the user's clock */
16652 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16653 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16656 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16657 alarmSounded = FALSE;
16658 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16660 alarmSounded = TRUE;
16666 /* A player has just moved, so stop the previously running
16667 clock and (if in clock mode) start the other one.
16668 We redisplay both clocks in case we're in ICS mode, because
16669 ICS gives us an update to both clocks after every move.
16670 Note that this routine is called *after* forwardMostMove
16671 is updated, so the last fractional tick must be subtracted
16672 from the color that is *not* on move now.
16675 SwitchClocks (int newMoveNr)
16677 long lastTickLength;
16679 int flagged = FALSE;
16683 if (StopClockTimer() && appData.clockMode) {
16684 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16685 if (!WhiteOnMove(forwardMostMove)) {
16686 if(blackNPS >= 0) lastTickLength = 0;
16687 blackTimeRemaining -= lastTickLength;
16688 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16689 // if(pvInfoList[forwardMostMove].time == -1)
16690 pvInfoList[forwardMostMove].time = // use GUI time
16691 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16693 if(whiteNPS >= 0) lastTickLength = 0;
16694 whiteTimeRemaining -= lastTickLength;
16695 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16696 // if(pvInfoList[forwardMostMove].time == -1)
16697 pvInfoList[forwardMostMove].time =
16698 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16700 flagged = CheckFlags();
16702 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16703 CheckTimeControl();
16705 if (flagged || !appData.clockMode) return;
16707 switch (gameMode) {
16708 case MachinePlaysBlack:
16709 case MachinePlaysWhite:
16710 case BeginningOfGame:
16711 if (pausing) return;
16715 case PlayFromGameFile:
16723 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16724 if(WhiteOnMove(forwardMostMove))
16725 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16726 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16730 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16731 whiteTimeRemaining : blackTimeRemaining);
16732 StartClockTimer(intendedTickLength);
16736 /* Stop both clocks */
16740 long lastTickLength;
16743 if (!StopClockTimer()) return;
16744 if (!appData.clockMode) return;
16748 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16749 if (WhiteOnMove(forwardMostMove)) {
16750 if(whiteNPS >= 0) lastTickLength = 0;
16751 whiteTimeRemaining -= lastTickLength;
16752 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16754 if(blackNPS >= 0) lastTickLength = 0;
16755 blackTimeRemaining -= lastTickLength;
16756 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16761 /* Start clock of player on move. Time may have been reset, so
16762 if clock is already running, stop and restart it. */
16766 (void) StopClockTimer(); /* in case it was running already */
16767 DisplayBothClocks();
16768 if (CheckFlags()) return;
16770 if (!appData.clockMode) return;
16771 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16773 GetTimeMark(&tickStartTM);
16774 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16775 whiteTimeRemaining : blackTimeRemaining);
16777 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16778 whiteNPS = blackNPS = -1;
16779 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16780 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16781 whiteNPS = first.nps;
16782 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16783 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16784 blackNPS = first.nps;
16785 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16786 whiteNPS = second.nps;
16787 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16788 blackNPS = second.nps;
16789 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16791 StartClockTimer(intendedTickLength);
16795 TimeString (long ms)
16797 long second, minute, hour, day;
16799 static char buf[32];
16801 if (ms > 0 && ms <= 9900) {
16802 /* convert milliseconds to tenths, rounding up */
16803 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16805 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16809 /* convert milliseconds to seconds, rounding up */
16810 /* use floating point to avoid strangeness of integer division
16811 with negative dividends on many machines */
16812 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16819 day = second / (60 * 60 * 24);
16820 second = second % (60 * 60 * 24);
16821 hour = second / (60 * 60);
16822 second = second % (60 * 60);
16823 minute = second / 60;
16824 second = second % 60;
16827 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16828 sign, day, hour, minute, second);
16830 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16832 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16839 * This is necessary because some C libraries aren't ANSI C compliant yet.
16842 StrStr (char *string, char *match)
16846 length = strlen(match);
16848 for (i = strlen(string) - length; i >= 0; i--, string++)
16849 if (!strncmp(match, string, length))
16856 StrCaseStr (char *string, char *match)
16860 length = strlen(match);
16862 for (i = strlen(string) - length; i >= 0; i--, string++) {
16863 for (j = 0; j < length; j++) {
16864 if (ToLower(match[j]) != ToLower(string[j]))
16867 if (j == length) return string;
16875 StrCaseCmp (char *s1, char *s2)
16880 c1 = ToLower(*s1++);
16881 c2 = ToLower(*s2++);
16882 if (c1 > c2) return 1;
16883 if (c1 < c2) return -1;
16884 if (c1 == NULLCHAR) return 0;
16892 return isupper(c) ? tolower(c) : c;
16899 return islower(c) ? toupper(c) : c;
16901 #endif /* !_amigados */
16908 if ((ret = (char *) malloc(strlen(s) + 1)))
16910 safeStrCpy(ret, s, strlen(s)+1);
16916 StrSavePtr (char *s, char **savePtr)
16921 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16922 safeStrCpy(*savePtr, s, strlen(s)+1);
16934 clock = time((time_t *)NULL);
16935 tm = localtime(&clock);
16936 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16937 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16938 return StrSave(buf);
16943 PositionToFEN (int move, char *overrideCastling)
16945 int i, j, fromX, fromY, toX, toY;
16952 whiteToPlay = (gameMode == EditPosition) ?
16953 !blackPlaysFirst : (move % 2 == 0);
16956 /* Piece placement data */
16957 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16958 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16960 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16961 if (boards[move][i][j] == EmptySquare) {
16963 } else { ChessSquare piece = boards[move][i][j];
16964 if (emptycount > 0) {
16965 if(emptycount<10) /* [HGM] can be >= 10 */
16966 *p++ = '0' + emptycount;
16967 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16970 if(PieceToChar(piece) == '+') {
16971 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16973 piece = (ChessSquare)(DEMOTED piece);
16975 *p++ = PieceToChar(piece);
16977 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16978 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16983 if (emptycount > 0) {
16984 if(emptycount<10) /* [HGM] can be >= 10 */
16985 *p++ = '0' + emptycount;
16986 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16993 /* [HGM] print Crazyhouse or Shogi holdings */
16994 if( gameInfo.holdingsWidth ) {
16995 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16997 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16998 piece = boards[move][i][BOARD_WIDTH-1];
16999 if( piece != EmptySquare )
17000 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17001 *p++ = PieceToChar(piece);
17003 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17004 piece = boards[move][BOARD_HEIGHT-i-1][0];
17005 if( piece != EmptySquare )
17006 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17007 *p++ = PieceToChar(piece);
17010 if( q == p ) *p++ = '-';
17016 *p++ = whiteToPlay ? 'w' : 'b';
17019 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17020 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17022 if(nrCastlingRights) {
17024 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17025 /* [HGM] write directly from rights */
17026 if(boards[move][CASTLING][2] != NoRights &&
17027 boards[move][CASTLING][0] != NoRights )
17028 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17029 if(boards[move][CASTLING][2] != NoRights &&
17030 boards[move][CASTLING][1] != NoRights )
17031 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17032 if(boards[move][CASTLING][5] != NoRights &&
17033 boards[move][CASTLING][3] != NoRights )
17034 *p++ = boards[move][CASTLING][3] + AAA;
17035 if(boards[move][CASTLING][5] != NoRights &&
17036 boards[move][CASTLING][4] != NoRights )
17037 *p++ = boards[move][CASTLING][4] + AAA;
17040 /* [HGM] write true castling rights */
17041 if( nrCastlingRights == 6 ) {
17043 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17044 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17045 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17046 boards[move][CASTLING][2] != NoRights );
17047 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17048 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17049 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17050 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17051 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17055 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17056 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17057 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17058 boards[move][CASTLING][5] != NoRights );
17059 if(gameInfo.variant == VariantSChess) {
17060 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17061 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17062 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17063 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17068 if (q == p) *p++ = '-'; /* No castling rights */
17072 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17073 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17074 /* En passant target square */
17075 if (move > backwardMostMove) {
17076 fromX = moveList[move - 1][0] - AAA;
17077 fromY = moveList[move - 1][1] - ONE;
17078 toX = moveList[move - 1][2] - AAA;
17079 toY = moveList[move - 1][3] - ONE;
17080 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17081 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17082 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17084 /* 2-square pawn move just happened */
17086 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17090 } else if(move == backwardMostMove) {
17091 // [HGM] perhaps we should always do it like this, and forget the above?
17092 if((signed char)boards[move][EP_STATUS] >= 0) {
17093 *p++ = boards[move][EP_STATUS] + AAA;
17094 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17105 /* [HGM] find reversible plies */
17106 { int i = 0, j=move;
17108 if (appData.debugMode) { int k;
17109 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17110 for(k=backwardMostMove; k<=forwardMostMove; k++)
17111 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17115 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17116 if( j == backwardMostMove ) i += initialRulePlies;
17117 sprintf(p, "%d ", i);
17118 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17120 /* Fullmove number */
17121 sprintf(p, "%d", (move / 2) + 1);
17123 return StrSave(buf);
17127 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17131 int emptycount, virgin[BOARD_FILES];
17136 /* [HGM] by default clear Crazyhouse holdings, if present */
17137 if(gameInfo.holdingsWidth) {
17138 for(i=0; i<BOARD_HEIGHT; i++) {
17139 board[i][0] = EmptySquare; /* black holdings */
17140 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17141 board[i][1] = (ChessSquare) 0; /* black counts */
17142 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17146 /* Piece placement data */
17147 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17150 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17151 if (*p == '/') p++;
17152 emptycount = gameInfo.boardWidth - j;
17153 while (emptycount--)
17154 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17156 #if(BOARD_FILES >= 10)
17157 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17158 p++; emptycount=10;
17159 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17160 while (emptycount--)
17161 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17163 } else if (isdigit(*p)) {
17164 emptycount = *p++ - '0';
17165 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17166 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17167 while (emptycount--)
17168 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17169 } else if (*p == '+' || isalpha(*p)) {
17170 if (j >= gameInfo.boardWidth) return FALSE;
17172 piece = CharToPiece(*++p);
17173 if(piece == EmptySquare) return FALSE; /* unknown piece */
17174 piece = (ChessSquare) (PROMOTED piece ); p++;
17175 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17176 } else piece = CharToPiece(*p++);
17178 if(piece==EmptySquare) return FALSE; /* unknown piece */
17179 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17180 piece = (ChessSquare) (PROMOTED piece);
17181 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17184 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17190 while (*p == '/' || *p == ' ') p++;
17192 /* [HGM] look for Crazyhouse holdings here */
17193 while(*p==' ') p++;
17194 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17196 if(*p == '-' ) p++; /* empty holdings */ else {
17197 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17198 /* if we would allow FEN reading to set board size, we would */
17199 /* have to add holdings and shift the board read so far here */
17200 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17202 if((int) piece >= (int) BlackPawn ) {
17203 i = (int)piece - (int)BlackPawn;
17204 i = PieceToNumber((ChessSquare)i);
17205 if( i >= gameInfo.holdingsSize ) return FALSE;
17206 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17207 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17209 i = (int)piece - (int)WhitePawn;
17210 i = PieceToNumber((ChessSquare)i);
17211 if( i >= gameInfo.holdingsSize ) return FALSE;
17212 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17213 board[i][BOARD_WIDTH-2]++; /* black holdings */
17220 while(*p == ' ') p++;
17224 if(appData.colorNickNames) {
17225 if( c == appData.colorNickNames[0] ) c = 'w'; else
17226 if( c == appData.colorNickNames[1] ) c = 'b';
17230 *blackPlaysFirst = FALSE;
17233 *blackPlaysFirst = TRUE;
17239 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17240 /* return the extra info in global variiables */
17242 /* set defaults in case FEN is incomplete */
17243 board[EP_STATUS] = EP_UNKNOWN;
17244 for(i=0; i<nrCastlingRights; i++ ) {
17245 board[CASTLING][i] =
17246 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17247 } /* assume possible unless obviously impossible */
17248 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17249 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17250 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17251 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17252 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17253 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17254 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17255 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17258 while(*p==' ') p++;
17259 if(nrCastlingRights) {
17260 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17261 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17262 /* castling indicator present, so default becomes no castlings */
17263 for(i=0; i<nrCastlingRights; i++ ) {
17264 board[CASTLING][i] = NoRights;
17267 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17268 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17269 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17270 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17271 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17273 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17274 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17275 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17277 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17278 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17279 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17280 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17281 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17282 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17285 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17286 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17287 board[CASTLING][2] = whiteKingFile;
17288 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17289 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17292 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17293 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17294 board[CASTLING][2] = whiteKingFile;
17295 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17296 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17299 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17300 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17301 board[CASTLING][5] = blackKingFile;
17302 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17303 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17306 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17307 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17308 board[CASTLING][5] = blackKingFile;
17309 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17310 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17313 default: /* FRC castlings */
17314 if(c >= 'a') { /* black rights */
17315 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17316 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17317 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17318 if(i == BOARD_RGHT) break;
17319 board[CASTLING][5] = i;
17321 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17322 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17324 board[CASTLING][3] = c;
17326 board[CASTLING][4] = c;
17327 } else { /* white rights */
17328 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17329 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17330 if(board[0][i] == WhiteKing) break;
17331 if(i == BOARD_RGHT) break;
17332 board[CASTLING][2] = i;
17333 c -= AAA - 'a' + 'A';
17334 if(board[0][c] >= WhiteKing) break;
17336 board[CASTLING][0] = c;
17338 board[CASTLING][1] = c;
17342 for(i=0; i<nrCastlingRights; i++)
17343 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17344 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17345 if (appData.debugMode) {
17346 fprintf(debugFP, "FEN castling rights:");
17347 for(i=0; i<nrCastlingRights; i++)
17348 fprintf(debugFP, " %d", board[CASTLING][i]);
17349 fprintf(debugFP, "\n");
17352 while(*p==' ') p++;
17355 /* read e.p. field in games that know e.p. capture */
17356 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17357 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17359 p++; board[EP_STATUS] = EP_NONE;
17361 char c = *p++ - AAA;
17363 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17364 if(*p >= '0' && *p <='9') p++;
17365 board[EP_STATUS] = c;
17370 if(sscanf(p, "%d", &i) == 1) {
17371 FENrulePlies = i; /* 50-move ply counter */
17372 /* (The move number is still ignored) */
17379 EditPositionPasteFEN (char *fen)
17382 Board initial_position;
17384 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17385 DisplayError(_("Bad FEN position in clipboard"), 0);
17388 int savedBlackPlaysFirst = blackPlaysFirst;
17389 EditPositionEvent();
17390 blackPlaysFirst = savedBlackPlaysFirst;
17391 CopyBoard(boards[0], initial_position);
17392 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17393 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17394 DisplayBothClocks();
17395 DrawPosition(FALSE, boards[currentMove]);
17400 static char cseq[12] = "\\ ";
17403 set_cont_sequence (char *new_seq)
17408 // handle bad attempts to set the sequence
17410 return 0; // acceptable error - no debug
17412 len = strlen(new_seq);
17413 ret = (len > 0) && (len < sizeof(cseq));
17415 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17416 else if (appData.debugMode)
17417 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17422 reformat a source message so words don't cross the width boundary. internal
17423 newlines are not removed. returns the wrapped size (no null character unless
17424 included in source message). If dest is NULL, only calculate the size required
17425 for the dest buffer. lp argument indicats line position upon entry, and it's
17426 passed back upon exit.
17429 wrap (char *dest, char *src, int count, int width, int *lp)
17431 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17433 cseq_len = strlen(cseq);
17434 old_line = line = *lp;
17435 ansi = len = clen = 0;
17437 for (i=0; i < count; i++)
17439 if (src[i] == '\033')
17442 // if we hit the width, back up
17443 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17445 // store i & len in case the word is too long
17446 old_i = i, old_len = len;
17448 // find the end of the last word
17449 while (i && src[i] != ' ' && src[i] != '\n')
17455 // word too long? restore i & len before splitting it
17456 if ((old_i-i+clen) >= width)
17463 if (i && src[i-1] == ' ')
17466 if (src[i] != ' ' && src[i] != '\n')
17473 // now append the newline and continuation sequence
17478 strncpy(dest+len, cseq, cseq_len);
17486 dest[len] = src[i];
17490 if (src[i] == '\n')
17495 if (dest && appData.debugMode)
17497 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17498 count, width, line, len, *lp);
17499 show_bytes(debugFP, src, count);
17500 fprintf(debugFP, "\ndest: ");
17501 show_bytes(debugFP, dest, len);
17502 fprintf(debugFP, "\n");
17504 *lp = dest ? line : old_line;
17509 // [HGM] vari: routines for shelving variations
17510 Boolean modeRestore = FALSE;
17513 PushInner (int firstMove, int lastMove)
17515 int i, j, nrMoves = lastMove - firstMove;
17517 // push current tail of game on stack
17518 savedResult[storedGames] = gameInfo.result;
17519 savedDetails[storedGames] = gameInfo.resultDetails;
17520 gameInfo.resultDetails = NULL;
17521 savedFirst[storedGames] = firstMove;
17522 savedLast [storedGames] = lastMove;
17523 savedFramePtr[storedGames] = framePtr;
17524 framePtr -= nrMoves; // reserve space for the boards
17525 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17526 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17527 for(j=0; j<MOVE_LEN; j++)
17528 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17529 for(j=0; j<2*MOVE_LEN; j++)
17530 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17531 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17532 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17533 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17534 pvInfoList[firstMove+i-1].depth = 0;
17535 commentList[framePtr+i] = commentList[firstMove+i];
17536 commentList[firstMove+i] = NULL;
17540 forwardMostMove = firstMove; // truncate game so we can start variation
17544 PushTail (int firstMove, int lastMove)
17546 if(appData.icsActive) { // only in local mode
17547 forwardMostMove = currentMove; // mimic old ICS behavior
17550 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17552 PushInner(firstMove, lastMove);
17553 if(storedGames == 1) GreyRevert(FALSE);
17554 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17558 PopInner (Boolean annotate)
17561 char buf[8000], moveBuf[20];
17563 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17564 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17565 nrMoves = savedLast[storedGames] - currentMove;
17568 if(!WhiteOnMove(currentMove))
17569 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17570 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17571 for(i=currentMove; i<forwardMostMove; i++) {
17573 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17574 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17575 strcat(buf, moveBuf);
17576 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17577 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17581 for(i=1; i<=nrMoves; i++) { // copy last variation back
17582 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17583 for(j=0; j<MOVE_LEN; j++)
17584 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17585 for(j=0; j<2*MOVE_LEN; j++)
17586 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17587 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17588 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17589 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17590 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17591 commentList[currentMove+i] = commentList[framePtr+i];
17592 commentList[framePtr+i] = NULL;
17594 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17595 framePtr = savedFramePtr[storedGames];
17596 gameInfo.result = savedResult[storedGames];
17597 if(gameInfo.resultDetails != NULL) {
17598 free(gameInfo.resultDetails);
17600 gameInfo.resultDetails = savedDetails[storedGames];
17601 forwardMostMove = currentMove + nrMoves;
17605 PopTail (Boolean annotate)
17607 if(appData.icsActive) return FALSE; // only in local mode
17608 if(!storedGames) return FALSE; // sanity
17609 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17611 PopInner(annotate);
17612 if(currentMove < forwardMostMove) ForwardEvent(); else
17613 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17615 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17621 { // remove all shelved variations
17623 for(i=0; i<storedGames; i++) {
17624 if(savedDetails[i])
17625 free(savedDetails[i]);
17626 savedDetails[i] = NULL;
17628 for(i=framePtr; i<MAX_MOVES; i++) {
17629 if(commentList[i]) free(commentList[i]);
17630 commentList[i] = NULL;
17632 framePtr = MAX_MOVES-1;
17637 LoadVariation (int index, char *text)
17638 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17639 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17640 int level = 0, move;
17642 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17643 // first find outermost bracketing variation
17644 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17645 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17646 if(*p == '{') wait = '}'; else
17647 if(*p == '[') wait = ']'; else
17648 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17649 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17651 if(*p == wait) wait = NULLCHAR; // closing ]} found
17654 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17655 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17656 end[1] = NULLCHAR; // clip off comment beyond variation
17657 ToNrEvent(currentMove-1);
17658 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17659 // kludge: use ParsePV() to append variation to game
17660 move = currentMove;
17661 ParsePV(start, TRUE, TRUE);
17662 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17663 ClearPremoveHighlights();
17665 ToNrEvent(currentMove+1);
17671 char *p, *q, buf[MSG_SIZ];
17672 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17673 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17674 ParseArgsFromString(buf);
17675 ActivateTheme(TRUE); // also redo colors
17679 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17682 q = appData.themeNames;
17683 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17684 if(appData.useBitmaps) {
17685 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17686 appData.liteBackTextureFile, appData.darkBackTextureFile,
17687 appData.liteBackTextureMode,
17688 appData.darkBackTextureMode );
17690 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17691 Col2Text(2), // lightSquareColor
17692 Col2Text(3) ); // darkSquareColor
17694 if(appData.useBorder) {
17695 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17698 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17700 if(appData.useFont) {
17701 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17702 appData.renderPiecesWithFont,
17703 appData.fontToPieceTable,
17704 Col2Text(9), // appData.fontBackColorWhite
17705 Col2Text(10) ); // appData.fontForeColorBlack
17707 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17708 appData.pieceDirectory);
17709 if(!appData.pieceDirectory[0])
17710 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17711 Col2Text(0), // whitePieceColor
17712 Col2Text(1) ); // blackPieceColor
17714 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17715 Col2Text(4), // highlightSquareColor
17716 Col2Text(5) ); // premoveHighlightColor
17717 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17718 if(insert != q) insert[-1] = NULLCHAR;
17719 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17722 ActivateTheme(FALSE);