2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
246 extern int tinyLayout, smallLayout;
247 ChessProgramStats programStats;
248 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
250 static int exiting = 0; /* [HGM] moved to top */
251 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
252 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
253 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
254 int partnerHighlight[2];
255 Boolean partnerBoardValid = 0;
256 char partnerStatus[MSG_SIZ];
258 Boolean originalFlip;
259 Boolean twoBoards = 0;
260 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
261 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
262 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
263 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
264 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
265 int opponentKibitzes;
266 int lastSavedGame; /* [HGM] save: ID of game */
267 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
268 extern int chatCount;
270 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 char lastMsg[MSG_SIZ];
272 ChessSquare pieceSweep = EmptySquare;
273 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
274 int promoDefaultAltered;
275 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
277 /* States for ics_getting_history */
279 #define H_REQUESTED 1
280 #define H_GOT_REQ_HEADER 2
281 #define H_GOT_UNREQ_HEADER 3
282 #define H_GETTING_MOVES 4
283 #define H_GOT_UNWANTED_HEADER 5
285 /* whosays values for GameEnds */
294 /* Maximum number of games in a cmail message */
295 #define CMAIL_MAX_GAMES 20
297 /* Different types of move when calling RegisterMove */
299 #define CMAIL_RESIGN 1
301 #define CMAIL_ACCEPT 3
303 /* Different types of result to remember for each game */
304 #define CMAIL_NOT_RESULT 0
305 #define CMAIL_OLD_RESULT 1
306 #define CMAIL_NEW_RESULT 2
308 /* Telnet protocol constants */
319 safeStrCpy (char *dst, const char *src, size_t count)
322 assert( dst != NULL );
323 assert( src != NULL );
326 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
327 if( i == count && dst[count-1] != NULLCHAR)
329 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
330 if(appData.debugMode)
331 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
337 /* Some compiler can't cast u64 to double
338 * This function do the job for us:
340 * We use the highest bit for cast, this only
341 * works if the highest bit is not
342 * in use (This should not happen)
344 * We used this for all compiler
347 u64ToDouble (u64 value)
350 u64 tmp = value & u64Const(0x7fffffffffffffff);
351 r = (double)(s64)tmp;
352 if (value & u64Const(0x8000000000000000))
353 r += 9.2233720368547758080e18; /* 2^63 */
357 /* Fake up flags for now, as we aren't keeping track of castling
358 availability yet. [HGM] Change of logic: the flag now only
359 indicates the type of castlings allowed by the rule of the game.
360 The actual rights themselves are maintained in the array
361 castlingRights, as part of the game history, and are not probed
367 int flags = F_ALL_CASTLE_OK;
368 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
369 switch (gameInfo.variant) {
371 flags &= ~F_ALL_CASTLE_OK;
372 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
373 flags |= F_IGNORE_CHECK;
375 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
378 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
380 case VariantKriegspiel:
381 flags |= F_KRIEGSPIEL_CAPTURE;
383 case VariantCapaRandom:
384 case VariantFischeRandom:
385 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
386 case VariantNoCastle:
387 case VariantShatranj:
391 flags &= ~F_ALL_CASTLE_OK;
399 FILE *gameFileFP, *debugFP, *serverFP;
400 char *currentDebugFile; // [HGM] debug split: to remember name
403 [AS] Note: sometimes, the sscanf() function is used to parse the input
404 into a fixed-size buffer. Because of this, we must be prepared to
405 receive strings as long as the size of the input buffer, which is currently
406 set to 4K for Windows and 8K for the rest.
407 So, we must either allocate sufficiently large buffers here, or
408 reduce the size of the input buffer in the input reading part.
411 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
412 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
413 char thinkOutput1[MSG_SIZ*10];
415 ChessProgramState first, second, pairing;
417 /* premove variables */
420 int premoveFromX = 0;
421 int premoveFromY = 0;
422 int premovePromoChar = 0;
424 Boolean alarmSounded;
425 /* end premove variables */
427 char *ics_prefix = "$";
428 enum ICS_TYPE ics_type = ICS_GENERIC;
430 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
431 int pauseExamForwardMostMove = 0;
432 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
433 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
434 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
435 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
436 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
437 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
438 int whiteFlag = FALSE, blackFlag = FALSE;
439 int userOfferedDraw = FALSE;
440 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
441 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
442 int cmailMoveType[CMAIL_MAX_GAMES];
443 long ics_clock_paused = 0;
444 ProcRef icsPR = NoProc, cmailPR = NoProc;
445 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
446 GameMode gameMode = BeginningOfGame;
447 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
448 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
449 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
450 int hiddenThinkOutputState = 0; /* [AS] */
451 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
452 int adjudicateLossPlies = 6;
453 char white_holding[64], black_holding[64];
454 TimeMark lastNodeCountTime;
455 long lastNodeCount=0;
456 int shiftKey, controlKey; // [HGM] set by mouse handler
458 int have_sent_ICS_logon = 0;
460 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
461 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
462 Boolean adjustedClock;
463 long timeControl_2; /* [AS] Allow separate time controls */
464 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
465 long timeRemaining[2][MAX_MOVES];
466 int matchGame = 0, nextGame = 0, roundNr = 0;
467 Boolean waitingForGame = FALSE;
468 TimeMark programStartTime, pauseStart;
469 char ics_handle[MSG_SIZ];
470 int have_set_title = 0;
472 /* animateTraining preserves the state of appData.animate
473 * when Training mode is activated. This allows the
474 * response to be animated when appData.animate == TRUE and
475 * appData.animateDragging == TRUE.
477 Boolean animateTraining;
483 Board boards[MAX_MOVES];
484 /* [HGM] Following 7 needed for accurate legality tests: */
485 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
486 signed char initialRights[BOARD_FILES];
487 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
488 int initialRulePlies, FENrulePlies;
489 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
491 Boolean shuffleOpenings;
492 int mute; // mute all sounds
494 // [HGM] vari: next 12 to save and restore variations
495 #define MAX_VARIATIONS 10
496 int framePtr = MAX_MOVES-1; // points to free stack entry
498 int savedFirst[MAX_VARIATIONS];
499 int savedLast[MAX_VARIATIONS];
500 int savedFramePtr[MAX_VARIATIONS];
501 char *savedDetails[MAX_VARIATIONS];
502 ChessMove savedResult[MAX_VARIATIONS];
504 void PushTail P((int firstMove, int lastMove));
505 Boolean PopTail P((Boolean annotate));
506 void PushInner P((int firstMove, int lastMove));
507 void PopInner P((Boolean annotate));
508 void CleanupTail P((void));
510 ChessSquare FIDEArray[2][BOARD_FILES] = {
511 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
512 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
513 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
514 BlackKing, BlackBishop, BlackKnight, BlackRook }
517 ChessSquare twoKingsArray[2][BOARD_FILES] = {
518 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
519 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
521 BlackKing, BlackKing, BlackKnight, BlackRook }
524 ChessSquare KnightmateArray[2][BOARD_FILES] = {
525 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
526 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
527 { BlackRook, BlackMan, BlackBishop, BlackQueen,
528 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
531 ChessSquare SpartanArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
533 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
534 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
535 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
538 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
539 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
541 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
542 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
545 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
546 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
547 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
548 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
549 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
552 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
553 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
554 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackMan, BlackFerz,
556 BlackKing, BlackMan, BlackKnight, BlackRook }
560 #if (BOARD_FILES>=10)
561 ChessSquare ShogiArray[2][BOARD_FILES] = {
562 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
563 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
564 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
565 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
568 ChessSquare XiangqiArray[2][BOARD_FILES] = {
569 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
570 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
571 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
572 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
575 ChessSquare CapablancaArray[2][BOARD_FILES] = {
576 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
577 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
579 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
582 ChessSquare GreatArray[2][BOARD_FILES] = {
583 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
584 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
585 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
586 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
589 ChessSquare JanusArray[2][BOARD_FILES] = {
590 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
591 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
592 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
593 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
596 ChessSquare GrandArray[2][BOARD_FILES] = {
597 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
598 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
599 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
600 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
604 ChessSquare GothicArray[2][BOARD_FILES] = {
605 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
606 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
607 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
608 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
611 #define GothicArray CapablancaArray
615 ChessSquare FalconArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
617 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
619 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
622 #define FalconArray CapablancaArray
625 #else // !(BOARD_FILES>=10)
626 #define XiangqiPosition FIDEArray
627 #define CapablancaArray FIDEArray
628 #define GothicArray FIDEArray
629 #define GreatArray FIDEArray
630 #endif // !(BOARD_FILES>=10)
632 #if (BOARD_FILES>=12)
633 ChessSquare CourierArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
635 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
636 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
637 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
639 #else // !(BOARD_FILES>=12)
640 #define CourierArray CapablancaArray
641 #endif // !(BOARD_FILES>=12)
644 Board initialPosition;
647 /* Convert str to a rating. Checks for special cases of "----",
649 "++++", etc. Also strips ()'s */
651 string_to_rating (char *str)
653 while(*str && !isdigit(*str)) ++str;
655 return 0; /* One of the special "no rating" cases */
663 /* Init programStats */
664 programStats.movelist[0] = 0;
665 programStats.depth = 0;
666 programStats.nr_moves = 0;
667 programStats.moves_left = 0;
668 programStats.nodes = 0;
669 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
670 programStats.score = 0;
671 programStats.got_only_move = 0;
672 programStats.got_fail = 0;
673 programStats.line_is_book = 0;
678 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
679 if (appData.firstPlaysBlack) {
680 first.twoMachinesColor = "black\n";
681 second.twoMachinesColor = "white\n";
683 first.twoMachinesColor = "white\n";
684 second.twoMachinesColor = "black\n";
687 first.other = &second;
688 second.other = &first;
691 if(appData.timeOddsMode) {
692 norm = appData.timeOdds[0];
693 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
695 first.timeOdds = appData.timeOdds[0]/norm;
696 second.timeOdds = appData.timeOdds[1]/norm;
699 if(programVersion) free(programVersion);
700 if (appData.noChessProgram) {
701 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
702 sprintf(programVersion, "%s", PACKAGE_STRING);
704 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
705 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
706 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
711 UnloadEngine (ChessProgramState *cps)
713 /* Kill off first chess program */
714 if (cps->isr != NULL)
715 RemoveInputSource(cps->isr);
718 if (cps->pr != NoProc) {
720 DoSleep( appData.delayBeforeQuit );
721 SendToProgram("quit\n", cps);
722 DoSleep( appData.delayAfterQuit );
723 DestroyChildProcess(cps->pr, cps->useSigterm);
726 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
730 ClearOptions (ChessProgramState *cps)
733 cps->nrOptions = cps->comboCnt = 0;
734 for(i=0; i<MAX_OPTIONS; i++) {
735 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
736 cps->option[i].textValue = 0;
740 char *engineNames[] = {
741 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
744 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
745 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
750 InitEngine (ChessProgramState *cps, int n)
751 { // [HGM] all engine initialiation put in a function that does one engine
755 cps->which = engineNames[n];
756 cps->maybeThinking = FALSE;
760 cps->sendDrawOffers = 1;
762 cps->program = appData.chessProgram[n];
763 cps->host = appData.host[n];
764 cps->dir = appData.directory[n];
765 cps->initString = appData.engInitString[n];
766 cps->computerString = appData.computerString[n];
767 cps->useSigint = TRUE;
768 cps->useSigterm = TRUE;
769 cps->reuse = appData.reuse[n];
770 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
771 cps->useSetboard = FALSE;
773 cps->usePing = FALSE;
776 cps->usePlayother = FALSE;
777 cps->useColors = TRUE;
778 cps->useUsermove = FALSE;
779 cps->sendICS = FALSE;
780 cps->sendName = appData.icsActive;
781 cps->sdKludge = FALSE;
782 cps->stKludge = FALSE;
783 TidyProgramName(cps->program, cps->host, cps->tidy);
785 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
786 cps->analysisSupport = 2; /* detect */
787 cps->analyzing = FALSE;
788 cps->initDone = FALSE;
791 /* New features added by Tord: */
792 cps->useFEN960 = FALSE;
793 cps->useOOCastle = TRUE;
794 /* End of new features added by Tord. */
795 cps->fenOverride = appData.fenOverride[n];
797 /* [HGM] time odds: set factor for each machine */
798 cps->timeOdds = appData.timeOdds[n];
800 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
801 cps->accumulateTC = appData.accumulateTC[n];
802 cps->maxNrOfSessions = 1;
807 cps->supportsNPS = UNKNOWN;
808 cps->memSize = FALSE;
809 cps->maxCores = FALSE;
810 cps->egtFormats[0] = NULLCHAR;
813 cps->optionSettings = appData.engOptions[n];
815 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
816 cps->isUCI = appData.isUCI[n]; /* [AS] */
817 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
819 if (appData.protocolVersion[n] > PROTOVER
820 || appData.protocolVersion[n] < 1)
825 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
826 appData.protocolVersion[n]);
827 if( (len >= MSG_SIZ) && appData.debugMode )
828 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
830 DisplayFatalError(buf, 0, 2);
834 cps->protocolVersion = appData.protocolVersion[n];
837 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
838 ParseFeatures(appData.featureDefaults, cps);
841 ChessProgramState *savCps;
847 if(WaitForEngine(savCps, LoadEngine)) return;
848 CommonEngineInit(); // recalculate time odds
849 if(gameInfo.variant != StringToVariant(appData.variant)) {
850 // we changed variant when loading the engine; this forces us to reset
851 Reset(TRUE, savCps != &first);
852 EditGameEvent(); // for consistency with other path, as Reset changes mode
854 InitChessProgram(savCps, FALSE);
855 SendToProgram("force\n", savCps);
856 DisplayMessage("", "");
857 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
858 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
864 ReplaceEngine (ChessProgramState *cps, int n)
868 appData.noChessProgram = FALSE;
869 appData.clockMode = TRUE;
872 if(n) return; // only startup first engine immediately; second can wait
873 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
877 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
878 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
880 static char resetOptions[] =
881 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
882 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
883 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
884 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
887 FloatToFront(char **list, char *engineLine)
889 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
891 if(appData.recentEngines <= 0) return;
892 TidyProgramName(engineLine, "localhost", tidy+1);
893 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
894 strncpy(buf+1, *list, MSG_SIZ-50);
895 if(p = strstr(buf, tidy)) { // tidy name appears in list
896 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
897 while(*p++ = *++q); // squeeze out
899 strcat(tidy, buf+1); // put list behind tidy name
900 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
901 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
902 ASSIGN(*list, tidy+1);
905 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
908 Load (ChessProgramState *cps, int i)
910 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
911 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
912 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
913 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
914 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
915 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
916 appData.firstProtocolVersion = PROTOVER;
917 ParseArgsFromString(buf);
919 ReplaceEngine(cps, i);
920 FloatToFront(&appData.recentEngineList, engineLine);
924 while(q = strchr(p, SLASH)) p = q+1;
925 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
926 if(engineDir[0] != NULLCHAR) {
927 ASSIGN(appData.directory[i], engineDir); p = engineName;
928 } else if(p != engineName) { // derive directory from engine path, when not given
930 ASSIGN(appData.directory[i], engineName);
932 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
933 } else { ASSIGN(appData.directory[i], "."); }
935 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
936 snprintf(command, MSG_SIZ, "%s %s", p, params);
939 ASSIGN(appData.chessProgram[i], p);
940 appData.isUCI[i] = isUCI;
941 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
942 appData.hasOwnBookUCI[i] = hasBook;
943 if(!nickName[0]) useNick = FALSE;
944 if(useNick) ASSIGN(appData.pgnName[i], nickName);
948 q = firstChessProgramNames;
949 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
950 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
951 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
952 quote, p, quote, appData.directory[i],
953 useNick ? " -fn \"" : "",
954 useNick ? nickName : "",
956 v1 ? " -firstProtocolVersion 1" : "",
957 hasBook ? "" : " -fNoOwnBookUCI",
958 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
959 storeVariant ? " -variant " : "",
960 storeVariant ? VariantName(gameInfo.variant) : "");
961 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
962 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
963 if(insert != q) insert[-1] = NULLCHAR;
964 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
966 FloatToFront(&appData.recentEngineList, buf);
968 ReplaceEngine(cps, i);
974 int matched, min, sec;
976 * Parse timeControl resource
978 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
979 appData.movesPerSession)) {
981 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
982 DisplayFatalError(buf, 0, 2);
986 * Parse searchTime resource
988 if (*appData.searchTime != NULLCHAR) {
989 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
991 searchTime = min * 60;
992 } else if (matched == 2) {
993 searchTime = min * 60 + sec;
996 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
997 DisplayFatalError(buf, 0, 2);
1006 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1007 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1009 GetTimeMark(&programStartTime);
1010 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1011 appData.seedBase = random() + (random()<<15);
1012 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1014 ClearProgramStats();
1015 programStats.ok_to_send = 1;
1016 programStats.seen_stat = 0;
1019 * Initialize game list
1025 * Internet chess server status
1027 if (appData.icsActive) {
1028 appData.matchMode = FALSE;
1029 appData.matchGames = 0;
1031 appData.noChessProgram = !appData.zippyPlay;
1033 appData.zippyPlay = FALSE;
1034 appData.zippyTalk = FALSE;
1035 appData.noChessProgram = TRUE;
1037 if (*appData.icsHelper != NULLCHAR) {
1038 appData.useTelnet = TRUE;
1039 appData.telnetProgram = appData.icsHelper;
1042 appData.zippyTalk = appData.zippyPlay = FALSE;
1045 /* [AS] Initialize pv info list [HGM] and game state */
1049 for( i=0; i<=framePtr; i++ ) {
1050 pvInfoList[i].depth = -1;
1051 boards[i][EP_STATUS] = EP_NONE;
1052 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1058 /* [AS] Adjudication threshold */
1059 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1061 InitEngine(&first, 0);
1062 InitEngine(&second, 1);
1065 pairing.which = "pairing"; // pairing engine
1066 pairing.pr = NoProc;
1068 pairing.program = appData.pairingEngine;
1069 pairing.host = "localhost";
1072 if (appData.icsActive) {
1073 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1074 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1075 appData.clockMode = FALSE;
1076 first.sendTime = second.sendTime = 0;
1080 /* Override some settings from environment variables, for backward
1081 compatibility. Unfortunately it's not feasible to have the env
1082 vars just set defaults, at least in xboard. Ugh.
1084 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1089 if (!appData.icsActive) {
1093 /* Check for variants that are supported only in ICS mode,
1094 or not at all. Some that are accepted here nevertheless
1095 have bugs; see comments below.
1097 VariantClass variant = StringToVariant(appData.variant);
1099 case VariantBughouse: /* need four players and two boards */
1100 case VariantKriegspiel: /* need to hide pieces and move details */
1101 /* case VariantFischeRandom: (Fabien: moved below) */
1102 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1103 if( (len >= MSG_SIZ) && appData.debugMode )
1104 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1106 DisplayFatalError(buf, 0, 2);
1109 case VariantUnknown:
1110 case VariantLoadable:
1120 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1121 if( (len >= MSG_SIZ) && appData.debugMode )
1122 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1124 DisplayFatalError(buf, 0, 2);
1127 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1128 case VariantFairy: /* [HGM] TestLegality definitely off! */
1129 case VariantGothic: /* [HGM] should work */
1130 case VariantCapablanca: /* [HGM] should work */
1131 case VariantCourier: /* [HGM] initial forced moves not implemented */
1132 case VariantShogi: /* [HGM] could still mate with pawn drop */
1133 case VariantKnightmate: /* [HGM] should work */
1134 case VariantCylinder: /* [HGM] untested */
1135 case VariantFalcon: /* [HGM] untested */
1136 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1137 offboard interposition not understood */
1138 case VariantNormal: /* definitely works! */
1139 case VariantWildCastle: /* pieces not automatically shuffled */
1140 case VariantNoCastle: /* pieces not automatically shuffled */
1141 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1142 case VariantLosers: /* should work except for win condition,
1143 and doesn't know captures are mandatory */
1144 case VariantSuicide: /* should work except for win condition,
1145 and doesn't know captures are mandatory */
1146 case VariantGiveaway: /* should work except for win condition,
1147 and doesn't know captures are mandatory */
1148 case VariantTwoKings: /* should work */
1149 case VariantAtomic: /* should work except for win condition */
1150 case Variant3Check: /* should work except for win condition */
1151 case VariantShatranj: /* should work except for all win conditions */
1152 case VariantMakruk: /* should work except for draw countdown */
1153 case VariantBerolina: /* might work if TestLegality is off */
1154 case VariantCapaRandom: /* should work */
1155 case VariantJanus: /* should work */
1156 case VariantSuper: /* experimental */
1157 case VariantGreat: /* experimental, requires legality testing to be off */
1158 case VariantSChess: /* S-Chess, should work */
1159 case VariantGrand: /* should work */
1160 case VariantSpartan: /* should work */
1168 NextIntegerFromString (char ** str, long * value)
1173 while( *s == ' ' || *s == '\t' ) {
1179 if( *s >= '0' && *s <= '9' ) {
1180 while( *s >= '0' && *s <= '9' ) {
1181 *value = *value * 10 + (*s - '0');
1194 NextTimeControlFromString (char ** str, long * value)
1197 int result = NextIntegerFromString( str, &temp );
1200 *value = temp * 60; /* Minutes */
1201 if( **str == ':' ) {
1203 result = NextIntegerFromString( str, &temp );
1204 *value += temp; /* Seconds */
1212 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1213 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1214 int result = -1, type = 0; long temp, temp2;
1216 if(**str != ':') return -1; // old params remain in force!
1218 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1219 if( NextIntegerFromString( str, &temp ) ) return -1;
1220 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1223 /* time only: incremental or sudden-death time control */
1224 if(**str == '+') { /* increment follows; read it */
1226 if(**str == '!') type = *(*str)++; // Bronstein TC
1227 if(result = NextIntegerFromString( str, &temp2)) return -1;
1228 *inc = temp2 * 1000;
1229 if(**str == '.') { // read fraction of increment
1230 char *start = ++(*str);
1231 if(result = NextIntegerFromString( str, &temp2)) return -1;
1233 while(start++ < *str) temp2 /= 10;
1237 *moves = 0; *tc = temp * 1000; *incType = type;
1241 (*str)++; /* classical time control */
1242 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1254 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1255 { /* [HGM] get time to add from the multi-session time-control string */
1256 int incType, moves=1; /* kludge to force reading of first session */
1257 long time, increment;
1260 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1262 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1263 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1264 if(movenr == -1) return time; /* last move before new session */
1265 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1266 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1267 if(!moves) return increment; /* current session is incremental */
1268 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1269 } while(movenr >= -1); /* try again for next session */
1271 return 0; // no new time quota on this move
1275 ParseTimeControl (char *tc, float ti, int mps)
1279 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1282 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1283 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1284 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1288 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1290 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1293 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1295 snprintf(buf, MSG_SIZ, ":%s", mytc);
1297 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1299 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1304 /* Parse second time control */
1307 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1315 timeControl_2 = tc2 * 1000;
1325 timeControl = tc1 * 1000;
1328 timeIncrement = ti * 1000; /* convert to ms */
1329 movesPerSession = 0;
1332 movesPerSession = mps;
1340 if (appData.debugMode) {
1341 fprintf(debugFP, "%s\n", programVersion);
1343 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1345 set_cont_sequence(appData.wrapContSeq);
1346 if (appData.matchGames > 0) {
1347 appData.matchMode = TRUE;
1348 } else if (appData.matchMode) {
1349 appData.matchGames = 1;
1351 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1352 appData.matchGames = appData.sameColorGames;
1353 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1354 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1355 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1358 if (appData.noChessProgram || first.protocolVersion == 1) {
1361 /* kludge: allow timeout for initial "feature" commands */
1363 DisplayMessage("", _("Starting chess program"));
1364 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1369 CalculateIndex (int index, int gameNr)
1370 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1372 if(index > 0) return index; // fixed nmber
1373 if(index == 0) return 1;
1374 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1375 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1380 LoadGameOrPosition (int gameNr)
1381 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1382 if (*appData.loadGameFile != NULLCHAR) {
1383 if (!LoadGameFromFile(appData.loadGameFile,
1384 CalculateIndex(appData.loadGameIndex, gameNr),
1385 appData.loadGameFile, FALSE)) {
1386 DisplayFatalError(_("Bad game file"), 0, 1);
1389 } else if (*appData.loadPositionFile != NULLCHAR) {
1390 if (!LoadPositionFromFile(appData.loadPositionFile,
1391 CalculateIndex(appData.loadPositionIndex, gameNr),
1392 appData.loadPositionFile)) {
1393 DisplayFatalError(_("Bad position file"), 0, 1);
1401 ReserveGame (int gameNr, char resChar)
1403 FILE *tf = fopen(appData.tourneyFile, "r+");
1404 char *p, *q, c, buf[MSG_SIZ];
1405 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1406 safeStrCpy(buf, lastMsg, MSG_SIZ);
1407 DisplayMessage(_("Pick new game"), "");
1408 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1409 ParseArgsFromFile(tf);
1410 p = q = appData.results;
1411 if(appData.debugMode) {
1412 char *r = appData.participants;
1413 fprintf(debugFP, "results = '%s'\n", p);
1414 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1415 fprintf(debugFP, "\n");
1417 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1419 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1420 safeStrCpy(q, p, strlen(p) + 2);
1421 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1422 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1423 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1424 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1427 fseek(tf, -(strlen(p)+4), SEEK_END);
1429 if(c != '"') // depending on DOS or Unix line endings we can be one off
1430 fseek(tf, -(strlen(p)+2), SEEK_END);
1431 else fseek(tf, -(strlen(p)+3), SEEK_END);
1432 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1433 DisplayMessage(buf, "");
1434 free(p); appData.results = q;
1435 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1436 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1437 int round = appData.defaultMatchGames * appData.tourneyType;
1438 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1439 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1440 UnloadEngine(&first); // next game belongs to other pairing;
1441 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1443 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1447 MatchEvent (int mode)
1448 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1450 if(matchMode) { // already in match mode: switch it off
1452 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1455 // if(gameMode != BeginningOfGame) {
1456 // DisplayError(_("You can only start a match from the initial position."), 0);
1460 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1461 /* Set up machine vs. machine match */
1463 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1464 if(appData.tourneyFile[0]) {
1466 if(nextGame > appData.matchGames) {
1468 if(strchr(appData.results, '*') == NULL) {
1470 appData.tourneyCycles++;
1471 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1473 NextTourneyGame(-1, &dummy);
1475 if(nextGame <= appData.matchGames) {
1476 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1478 ScheduleDelayedEvent(NextMatchGame, 10000);
1483 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1484 DisplayError(buf, 0);
1485 appData.tourneyFile[0] = 0;
1489 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1490 DisplayFatalError(_("Can't have a match with no chess programs"),
1495 matchGame = roundNr = 1;
1496 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1500 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1503 InitBackEnd3 P((void))
1505 GameMode initialMode;
1509 InitChessProgram(&first, startedFromSetupPosition);
1511 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1512 free(programVersion);
1513 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1514 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1515 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1518 if (appData.icsActive) {
1520 /* [DM] Make a console window if needed [HGM] merged ifs */
1526 if (*appData.icsCommPort != NULLCHAR)
1527 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1528 appData.icsCommPort);
1530 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1531 appData.icsHost, appData.icsPort);
1533 if( (len >= MSG_SIZ) && appData.debugMode )
1534 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1536 DisplayFatalError(buf, err, 1);
1541 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1543 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1544 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1545 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1546 } else if (appData.noChessProgram) {
1552 if (*appData.cmailGameName != NULLCHAR) {
1554 OpenLoopback(&cmailPR);
1556 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1560 DisplayMessage("", "");
1561 if (StrCaseCmp(appData.initialMode, "") == 0) {
1562 initialMode = BeginningOfGame;
1563 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1564 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1565 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1566 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1569 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1570 initialMode = TwoMachinesPlay;
1571 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1572 initialMode = AnalyzeFile;
1573 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1574 initialMode = AnalyzeMode;
1575 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1576 initialMode = MachinePlaysWhite;
1577 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1578 initialMode = MachinePlaysBlack;
1579 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1580 initialMode = EditGame;
1581 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1582 initialMode = EditPosition;
1583 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1584 initialMode = Training;
1586 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1587 if( (len >= MSG_SIZ) && appData.debugMode )
1588 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1590 DisplayFatalError(buf, 0, 2);
1594 if (appData.matchMode) {
1595 if(appData.tourneyFile[0]) { // start tourney from command line
1597 if(f = fopen(appData.tourneyFile, "r")) {
1598 ParseArgsFromFile(f); // make sure tourney parmeters re known
1600 appData.clockMode = TRUE;
1602 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1605 } else if (*appData.cmailGameName != NULLCHAR) {
1606 /* Set up cmail mode */
1607 ReloadCmailMsgEvent(TRUE);
1609 /* Set up other modes */
1610 if (initialMode == AnalyzeFile) {
1611 if (*appData.loadGameFile == NULLCHAR) {
1612 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1616 if (*appData.loadGameFile != NULLCHAR) {
1617 (void) LoadGameFromFile(appData.loadGameFile,
1618 appData.loadGameIndex,
1619 appData.loadGameFile, TRUE);
1620 } else if (*appData.loadPositionFile != NULLCHAR) {
1621 (void) LoadPositionFromFile(appData.loadPositionFile,
1622 appData.loadPositionIndex,
1623 appData.loadPositionFile);
1624 /* [HGM] try to make self-starting even after FEN load */
1625 /* to allow automatic setup of fairy variants with wtm */
1626 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1627 gameMode = BeginningOfGame;
1628 setboardSpoiledMachineBlack = 1;
1630 /* [HGM] loadPos: make that every new game uses the setup */
1631 /* from file as long as we do not switch variant */
1632 if(!blackPlaysFirst) {
1633 startedFromPositionFile = TRUE;
1634 CopyBoard(filePosition, boards[0]);
1637 if (initialMode == AnalyzeMode) {
1638 if (appData.noChessProgram) {
1639 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1642 if (appData.icsActive) {
1643 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1647 } else if (initialMode == AnalyzeFile) {
1648 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1649 ShowThinkingEvent();
1651 AnalysisPeriodicEvent(1);
1652 } else if (initialMode == MachinePlaysWhite) {
1653 if (appData.noChessProgram) {
1654 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1658 if (appData.icsActive) {
1659 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1663 MachineWhiteEvent();
1664 } else if (initialMode == MachinePlaysBlack) {
1665 if (appData.noChessProgram) {
1666 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1670 if (appData.icsActive) {
1671 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1675 MachineBlackEvent();
1676 } else if (initialMode == TwoMachinesPlay) {
1677 if (appData.noChessProgram) {
1678 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1682 if (appData.icsActive) {
1683 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1688 } else if (initialMode == EditGame) {
1690 } else if (initialMode == EditPosition) {
1691 EditPositionEvent();
1692 } else if (initialMode == Training) {
1693 if (*appData.loadGameFile == NULLCHAR) {
1694 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1703 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1705 DisplayBook(current+1);
1707 MoveHistorySet( movelist, first, last, current, pvInfoList );
1709 EvalGraphSet( first, last, current, pvInfoList );
1711 MakeEngineOutputTitle();
1715 * Establish will establish a contact to a remote host.port.
1716 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1717 * used to talk to the host.
1718 * Returns 0 if okay, error code if not.
1725 if (*appData.icsCommPort != NULLCHAR) {
1726 /* Talk to the host through a serial comm port */
1727 return OpenCommPort(appData.icsCommPort, &icsPR);
1729 } else if (*appData.gateway != NULLCHAR) {
1730 if (*appData.remoteShell == NULLCHAR) {
1731 /* Use the rcmd protocol to run telnet program on a gateway host */
1732 snprintf(buf, sizeof(buf), "%s %s %s",
1733 appData.telnetProgram, appData.icsHost, appData.icsPort);
1734 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1737 /* Use the rsh program to run telnet program on a gateway host */
1738 if (*appData.remoteUser == NULLCHAR) {
1739 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1740 appData.gateway, appData.telnetProgram,
1741 appData.icsHost, appData.icsPort);
1743 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1744 appData.remoteShell, appData.gateway,
1745 appData.remoteUser, appData.telnetProgram,
1746 appData.icsHost, appData.icsPort);
1748 return StartChildProcess(buf, "", &icsPR);
1751 } else if (appData.useTelnet) {
1752 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1755 /* TCP socket interface differs somewhat between
1756 Unix and NT; handle details in the front end.
1758 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1763 EscapeExpand (char *p, char *q)
1764 { // [HGM] initstring: routine to shape up string arguments
1765 while(*p++ = *q++) if(p[-1] == '\\')
1767 case 'n': p[-1] = '\n'; break;
1768 case 'r': p[-1] = '\r'; break;
1769 case 't': p[-1] = '\t'; break;
1770 case '\\': p[-1] = '\\'; break;
1771 case 0: *p = 0; return;
1772 default: p[-1] = q[-1]; break;
1777 show_bytes (FILE *fp, char *buf, int count)
1780 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1781 fprintf(fp, "\\%03o", *buf & 0xff);
1790 /* Returns an errno value */
1792 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1794 char buf[8192], *p, *q, *buflim;
1795 int left, newcount, outcount;
1797 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1798 *appData.gateway != NULLCHAR) {
1799 if (appData.debugMode) {
1800 fprintf(debugFP, ">ICS: ");
1801 show_bytes(debugFP, message, count);
1802 fprintf(debugFP, "\n");
1804 return OutputToProcess(pr, message, count, outError);
1807 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1814 if (appData.debugMode) {
1815 fprintf(debugFP, ">ICS: ");
1816 show_bytes(debugFP, buf, newcount);
1817 fprintf(debugFP, "\n");
1819 outcount = OutputToProcess(pr, buf, newcount, outError);
1820 if (outcount < newcount) return -1; /* to be sure */
1827 } else if (((unsigned char) *p) == TN_IAC) {
1828 *q++ = (char) TN_IAC;
1835 if (appData.debugMode) {
1836 fprintf(debugFP, ">ICS: ");
1837 show_bytes(debugFP, buf, newcount);
1838 fprintf(debugFP, "\n");
1840 outcount = OutputToProcess(pr, buf, newcount, outError);
1841 if (outcount < newcount) return -1; /* to be sure */
1846 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1848 int outError, outCount;
1849 static int gotEof = 0;
1852 /* Pass data read from player on to ICS */
1855 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1856 if (outCount < count) {
1857 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1859 if(have_sent_ICS_logon == 2) {
1860 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1861 fprintf(ini, "%s", message);
1862 have_sent_ICS_logon = 3;
1864 have_sent_ICS_logon = 1;
1865 } else if(have_sent_ICS_logon == 3) {
1866 fprintf(ini, "%s", message);
1868 have_sent_ICS_logon = 1;
1870 } else if (count < 0) {
1871 RemoveInputSource(isr);
1872 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1873 } else if (gotEof++ > 0) {
1874 RemoveInputSource(isr);
1875 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1881 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1882 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1883 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1884 SendToICS("date\n");
1885 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1888 /* added routine for printf style output to ics */
1890 ics_printf (char *format, ...)
1892 char buffer[MSG_SIZ];
1895 va_start(args, format);
1896 vsnprintf(buffer, sizeof(buffer), format, args);
1897 buffer[sizeof(buffer)-1] = '\0';
1905 int count, outCount, outError;
1907 if (icsPR == NoProc) return;
1910 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1911 if (outCount < count) {
1912 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1916 /* This is used for sending logon scripts to the ICS. Sending
1917 without a delay causes problems when using timestamp on ICC
1918 (at least on my machine). */
1920 SendToICSDelayed (char *s, long msdelay)
1922 int count, outCount, outError;
1924 if (icsPR == NoProc) return;
1927 if (appData.debugMode) {
1928 fprintf(debugFP, ">ICS: ");
1929 show_bytes(debugFP, s, count);
1930 fprintf(debugFP, "\n");
1932 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1934 if (outCount < count) {
1935 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1940 /* Remove all highlighting escape sequences in s
1941 Also deletes any suffix starting with '('
1944 StripHighlightAndTitle (char *s)
1946 static char retbuf[MSG_SIZ];
1949 while (*s != NULLCHAR) {
1950 while (*s == '\033') {
1951 while (*s != NULLCHAR && !isalpha(*s)) s++;
1952 if (*s != NULLCHAR) s++;
1954 while (*s != NULLCHAR && *s != '\033') {
1955 if (*s == '(' || *s == '[') {
1966 /* Remove all highlighting escape sequences in s */
1968 StripHighlight (char *s)
1970 static char retbuf[MSG_SIZ];
1973 while (*s != NULLCHAR) {
1974 while (*s == '\033') {
1975 while (*s != NULLCHAR && !isalpha(*s)) s++;
1976 if (*s != NULLCHAR) s++;
1978 while (*s != NULLCHAR && *s != '\033') {
1986 char *variantNames[] = VARIANT_NAMES;
1988 VariantName (VariantClass v)
1990 return variantNames[v];
1994 /* Identify a variant from the strings the chess servers use or the
1995 PGN Variant tag names we use. */
1997 StringToVariant (char *e)
2001 VariantClass v = VariantNormal;
2002 int i, found = FALSE;
2008 /* [HGM] skip over optional board-size prefixes */
2009 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2010 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2011 while( *e++ != '_');
2014 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2018 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2019 if (StrCaseStr(e, variantNames[i])) {
2020 v = (VariantClass) i;
2027 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2028 || StrCaseStr(e, "wild/fr")
2029 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2030 v = VariantFischeRandom;
2031 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2032 (i = 1, p = StrCaseStr(e, "w"))) {
2034 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2041 case 0: /* FICS only, actually */
2043 /* Castling legal even if K starts on d-file */
2044 v = VariantWildCastle;
2049 /* Castling illegal even if K & R happen to start in
2050 normal positions. */
2051 v = VariantNoCastle;
2064 /* Castling legal iff K & R start in normal positions */
2070 /* Special wilds for position setup; unclear what to do here */
2071 v = VariantLoadable;
2074 /* Bizarre ICC game */
2075 v = VariantTwoKings;
2078 v = VariantKriegspiel;
2084 v = VariantFischeRandom;
2087 v = VariantCrazyhouse;
2090 v = VariantBughouse;
2096 /* Not quite the same as FICS suicide! */
2097 v = VariantGiveaway;
2103 v = VariantShatranj;
2106 /* Temporary names for future ICC types. The name *will* change in
2107 the next xboard/WinBoard release after ICC defines it. */
2145 v = VariantCapablanca;
2148 v = VariantKnightmate;
2154 v = VariantCylinder;
2160 v = VariantCapaRandom;
2163 v = VariantBerolina;
2175 /* Found "wild" or "w" in the string but no number;
2176 must assume it's normal chess. */
2180 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2181 if( (len >= MSG_SIZ) && appData.debugMode )
2182 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2184 DisplayError(buf, 0);
2190 if (appData.debugMode) {
2191 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2192 e, wnum, VariantName(v));
2197 static int leftover_start = 0, leftover_len = 0;
2198 char star_match[STAR_MATCH_N][MSG_SIZ];
2200 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2201 advance *index beyond it, and set leftover_start to the new value of
2202 *index; else return FALSE. If pattern contains the character '*', it
2203 matches any sequence of characters not containing '\r', '\n', or the
2204 character following the '*' (if any), and the matched sequence(s) are
2205 copied into star_match.
2208 looking_at ( char *buf, int *index, char *pattern)
2210 char *bufp = &buf[*index], *patternp = pattern;
2212 char *matchp = star_match[0];
2215 if (*patternp == NULLCHAR) {
2216 *index = leftover_start = bufp - buf;
2220 if (*bufp == NULLCHAR) return FALSE;
2221 if (*patternp == '*') {
2222 if (*bufp == *(patternp + 1)) {
2224 matchp = star_match[++star_count];
2228 } else if (*bufp == '\n' || *bufp == '\r') {
2230 if (*patternp == NULLCHAR)
2235 *matchp++ = *bufp++;
2239 if (*patternp != *bufp) return FALSE;
2246 SendToPlayer (char *data, int length)
2248 int error, outCount;
2249 outCount = OutputToProcess(NoProc, data, length, &error);
2250 if (outCount < length) {
2251 DisplayFatalError(_("Error writing to display"), error, 1);
2256 PackHolding (char packed[], char *holding)
2266 switch (runlength) {
2277 sprintf(q, "%d", runlength);
2289 /* Telnet protocol requests from the front end */
2291 TelnetRequest (unsigned char ddww, unsigned char option)
2293 unsigned char msg[3];
2294 int outCount, outError;
2296 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2298 if (appData.debugMode) {
2299 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2315 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2324 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2327 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2332 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2334 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2341 if (!appData.icsActive) return;
2342 TelnetRequest(TN_DO, TN_ECHO);
2348 if (!appData.icsActive) return;
2349 TelnetRequest(TN_DONT, TN_ECHO);
2353 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2355 /* put the holdings sent to us by the server on the board holdings area */
2356 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2360 if(gameInfo.holdingsWidth < 2) return;
2361 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2362 return; // prevent overwriting by pre-board holdings
2364 if( (int)lowestPiece >= BlackPawn ) {
2367 holdingsStartRow = BOARD_HEIGHT-1;
2370 holdingsColumn = BOARD_WIDTH-1;
2371 countsColumn = BOARD_WIDTH-2;
2372 holdingsStartRow = 0;
2376 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2377 board[i][holdingsColumn] = EmptySquare;
2378 board[i][countsColumn] = (ChessSquare) 0;
2380 while( (p=*holdings++) != NULLCHAR ) {
2381 piece = CharToPiece( ToUpper(p) );
2382 if(piece == EmptySquare) continue;
2383 /*j = (int) piece - (int) WhitePawn;*/
2384 j = PieceToNumber(piece);
2385 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2386 if(j < 0) continue; /* should not happen */
2387 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2388 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2389 board[holdingsStartRow+j*direction][countsColumn]++;
2395 VariantSwitch (Board board, VariantClass newVariant)
2397 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2398 static Board oldBoard;
2400 startedFromPositionFile = FALSE;
2401 if(gameInfo.variant == newVariant) return;
2403 /* [HGM] This routine is called each time an assignment is made to
2404 * gameInfo.variant during a game, to make sure the board sizes
2405 * are set to match the new variant. If that means adding or deleting
2406 * holdings, we shift the playing board accordingly
2407 * This kludge is needed because in ICS observe mode, we get boards
2408 * of an ongoing game without knowing the variant, and learn about the
2409 * latter only later. This can be because of the move list we requested,
2410 * in which case the game history is refilled from the beginning anyway,
2411 * but also when receiving holdings of a crazyhouse game. In the latter
2412 * case we want to add those holdings to the already received position.
2416 if (appData.debugMode) {
2417 fprintf(debugFP, "Switch board from %s to %s\n",
2418 VariantName(gameInfo.variant), VariantName(newVariant));
2419 setbuf(debugFP, NULL);
2421 shuffleOpenings = 0; /* [HGM] shuffle */
2422 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2426 newWidth = 9; newHeight = 9;
2427 gameInfo.holdingsSize = 7;
2428 case VariantBughouse:
2429 case VariantCrazyhouse:
2430 newHoldingsWidth = 2; break;
2434 newHoldingsWidth = 2;
2435 gameInfo.holdingsSize = 8;
2438 case VariantCapablanca:
2439 case VariantCapaRandom:
2442 newHoldingsWidth = gameInfo.holdingsSize = 0;
2445 if(newWidth != gameInfo.boardWidth ||
2446 newHeight != gameInfo.boardHeight ||
2447 newHoldingsWidth != gameInfo.holdingsWidth ) {
2449 /* shift position to new playing area, if needed */
2450 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2451 for(i=0; i<BOARD_HEIGHT; i++)
2452 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2453 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2455 for(i=0; i<newHeight; i++) {
2456 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2457 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2459 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2460 for(i=0; i<BOARD_HEIGHT; i++)
2461 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2462 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2465 board[HOLDINGS_SET] = 0;
2466 gameInfo.boardWidth = newWidth;
2467 gameInfo.boardHeight = newHeight;
2468 gameInfo.holdingsWidth = newHoldingsWidth;
2469 gameInfo.variant = newVariant;
2470 InitDrawingSizes(-2, 0);
2471 } else gameInfo.variant = newVariant;
2472 CopyBoard(oldBoard, board); // remember correctly formatted board
2473 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2474 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2477 static int loggedOn = FALSE;
2479 /*-- Game start info cache: --*/
2481 char gs_kind[MSG_SIZ];
2482 static char player1Name[128] = "";
2483 static char player2Name[128] = "";
2484 static char cont_seq[] = "\n\\ ";
2485 static int player1Rating = -1;
2486 static int player2Rating = -1;
2487 /*----------------------------*/
2489 ColorClass curColor = ColorNormal;
2490 int suppressKibitz = 0;
2493 Boolean soughtPending = FALSE;
2494 Boolean seekGraphUp;
2495 #define MAX_SEEK_ADS 200
2497 char *seekAdList[MAX_SEEK_ADS];
2498 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2499 float tcList[MAX_SEEK_ADS];
2500 char colorList[MAX_SEEK_ADS];
2501 int nrOfSeekAds = 0;
2502 int minRating = 1010, maxRating = 2800;
2503 int hMargin = 10, vMargin = 20, h, w;
2504 extern int squareSize, lineGap;
2509 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2510 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2511 if(r < minRating+100 && r >=0 ) r = minRating+100;
2512 if(r > maxRating) r = maxRating;
2513 if(tc < 1.f) tc = 1.f;
2514 if(tc > 95.f) tc = 95.f;
2515 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2516 y = ((double)r - minRating)/(maxRating - minRating)
2517 * (h-vMargin-squareSize/8-1) + vMargin;
2518 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2519 if(strstr(seekAdList[i], " u ")) color = 1;
2520 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2521 !strstr(seekAdList[i], "bullet") &&
2522 !strstr(seekAdList[i], "blitz") &&
2523 !strstr(seekAdList[i], "standard") ) color = 2;
2524 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2525 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2529 PlotSingleSeekAd (int i)
2535 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2537 char buf[MSG_SIZ], *ext = "";
2538 VariantClass v = StringToVariant(type);
2539 if(strstr(type, "wild")) {
2540 ext = type + 4; // append wild number
2541 if(v == VariantFischeRandom) type = "chess960"; else
2542 if(v == VariantLoadable) type = "setup"; else
2543 type = VariantName(v);
2545 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2546 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2547 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2548 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2549 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2550 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2551 seekNrList[nrOfSeekAds] = nr;
2552 zList[nrOfSeekAds] = 0;
2553 seekAdList[nrOfSeekAds++] = StrSave(buf);
2554 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2559 EraseSeekDot (int i)
2561 int x = xList[i], y = yList[i], d=squareSize/4, k;
2562 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2563 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2564 // now replot every dot that overlapped
2565 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2566 int xx = xList[k], yy = yList[k];
2567 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2568 DrawSeekDot(xx, yy, colorList[k]);
2573 RemoveSeekAd (int nr)
2576 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2578 if(seekAdList[i]) free(seekAdList[i]);
2579 seekAdList[i] = seekAdList[--nrOfSeekAds];
2580 seekNrList[i] = seekNrList[nrOfSeekAds];
2581 ratingList[i] = ratingList[nrOfSeekAds];
2582 colorList[i] = colorList[nrOfSeekAds];
2583 tcList[i] = tcList[nrOfSeekAds];
2584 xList[i] = xList[nrOfSeekAds];
2585 yList[i] = yList[nrOfSeekAds];
2586 zList[i] = zList[nrOfSeekAds];
2587 seekAdList[nrOfSeekAds] = NULL;
2593 MatchSoughtLine (char *line)
2595 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2596 int nr, base, inc, u=0; char dummy;
2598 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2599 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2601 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2602 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2603 // match: compact and save the line
2604 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2614 if(!seekGraphUp) return FALSE;
2615 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2616 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2618 DrawSeekBackground(0, 0, w, h);
2619 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2620 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2621 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2622 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2624 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2627 snprintf(buf, MSG_SIZ, "%d", i);
2628 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2631 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2632 for(i=1; i<100; i+=(i<10?1:5)) {
2633 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2634 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2635 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2637 snprintf(buf, MSG_SIZ, "%d", i);
2638 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2641 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2646 SeekGraphClick (ClickType click, int x, int y, int moving)
2648 static int lastDown = 0, displayed = 0, lastSecond;
2649 if(y < 0) return FALSE;
2650 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2651 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2652 if(!seekGraphUp) return FALSE;
2653 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2654 DrawPosition(TRUE, NULL);
2657 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2658 if(click == Release || moving) return FALSE;
2660 soughtPending = TRUE;
2661 SendToICS(ics_prefix);
2662 SendToICS("sought\n"); // should this be "sought all"?
2663 } else { // issue challenge based on clicked ad
2664 int dist = 10000; int i, closest = 0, second = 0;
2665 for(i=0; i<nrOfSeekAds; i++) {
2666 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2667 if(d < dist) { dist = d; closest = i; }
2668 second += (d - zList[i] < 120); // count in-range ads
2669 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2673 second = (second > 1);
2674 if(displayed != closest || second != lastSecond) {
2675 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2676 lastSecond = second; displayed = closest;
2678 if(click == Press) {
2679 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2682 } // on press 'hit', only show info
2683 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2684 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2685 SendToICS(ics_prefix);
2687 return TRUE; // let incoming board of started game pop down the graph
2688 } else if(click == Release) { // release 'miss' is ignored
2689 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2690 if(moving == 2) { // right up-click
2691 nrOfSeekAds = 0; // refresh graph
2692 soughtPending = TRUE;
2693 SendToICS(ics_prefix);
2694 SendToICS("sought\n"); // should this be "sought all"?
2697 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2698 // press miss or release hit 'pop down' seek graph
2699 seekGraphUp = FALSE;
2700 DrawPosition(TRUE, NULL);
2706 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2708 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2709 #define STARTED_NONE 0
2710 #define STARTED_MOVES 1
2711 #define STARTED_BOARD 2
2712 #define STARTED_OBSERVE 3
2713 #define STARTED_HOLDINGS 4
2714 #define STARTED_CHATTER 5
2715 #define STARTED_COMMENT 6
2716 #define STARTED_MOVES_NOHIDE 7
2718 static int started = STARTED_NONE;
2719 static char parse[20000];
2720 static int parse_pos = 0;
2721 static char buf[BUF_SIZE + 1];
2722 static int firstTime = TRUE, intfSet = FALSE;
2723 static ColorClass prevColor = ColorNormal;
2724 static int savingComment = FALSE;
2725 static int cmatch = 0; // continuation sequence match
2732 int backup; /* [DM] For zippy color lines */
2734 char talker[MSG_SIZ]; // [HGM] chat
2737 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2739 if (appData.debugMode) {
2741 fprintf(debugFP, "<ICS: ");
2742 show_bytes(debugFP, data, count);
2743 fprintf(debugFP, "\n");
2747 if (appData.debugMode) { int f = forwardMostMove;
2748 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2749 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2750 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2753 /* If last read ended with a partial line that we couldn't parse,
2754 prepend it to the new read and try again. */
2755 if (leftover_len > 0) {
2756 for (i=0; i<leftover_len; i++)
2757 buf[i] = buf[leftover_start + i];
2760 /* copy new characters into the buffer */
2761 bp = buf + leftover_len;
2762 buf_len=leftover_len;
2763 for (i=0; i<count; i++)
2766 if (data[i] == '\r')
2769 // join lines split by ICS?
2770 if (!appData.noJoin)
2773 Joining just consists of finding matches against the
2774 continuation sequence, and discarding that sequence
2775 if found instead of copying it. So, until a match
2776 fails, there's nothing to do since it might be the
2777 complete sequence, and thus, something we don't want
2780 if (data[i] == cont_seq[cmatch])
2783 if (cmatch == strlen(cont_seq))
2785 cmatch = 0; // complete match. just reset the counter
2788 it's possible for the ICS to not include the space
2789 at the end of the last word, making our [correct]
2790 join operation fuse two separate words. the server
2791 does this when the space occurs at the width setting.
2793 if (!buf_len || buf[buf_len-1] != ' ')
2804 match failed, so we have to copy what matched before
2805 falling through and copying this character. In reality,
2806 this will only ever be just the newline character, but
2807 it doesn't hurt to be precise.
2809 strncpy(bp, cont_seq, cmatch);
2821 buf[buf_len] = NULLCHAR;
2822 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2827 while (i < buf_len) {
2828 /* Deal with part of the TELNET option negotiation
2829 protocol. We refuse to do anything beyond the
2830 defaults, except that we allow the WILL ECHO option,
2831 which ICS uses to turn off password echoing when we are
2832 directly connected to it. We reject this option
2833 if localLineEditing mode is on (always on in xboard)
2834 and we are talking to port 23, which might be a real
2835 telnet server that will try to keep WILL ECHO on permanently.
2837 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2838 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2839 unsigned char option;
2841 switch ((unsigned char) buf[++i]) {
2843 if (appData.debugMode)
2844 fprintf(debugFP, "\n<WILL ");
2845 switch (option = (unsigned char) buf[++i]) {
2847 if (appData.debugMode)
2848 fprintf(debugFP, "ECHO ");
2849 /* Reply only if this is a change, according
2850 to the protocol rules. */
2851 if (remoteEchoOption) break;
2852 if (appData.localLineEditing &&
2853 atoi(appData.icsPort) == TN_PORT) {
2854 TelnetRequest(TN_DONT, TN_ECHO);
2857 TelnetRequest(TN_DO, TN_ECHO);
2858 remoteEchoOption = TRUE;
2862 if (appData.debugMode)
2863 fprintf(debugFP, "%d ", option);
2864 /* Whatever this is, we don't want it. */
2865 TelnetRequest(TN_DONT, option);
2870 if (appData.debugMode)
2871 fprintf(debugFP, "\n<WONT ");
2872 switch (option = (unsigned char) buf[++i]) {
2874 if (appData.debugMode)
2875 fprintf(debugFP, "ECHO ");
2876 /* Reply only if this is a change, according
2877 to the protocol rules. */
2878 if (!remoteEchoOption) break;
2880 TelnetRequest(TN_DONT, TN_ECHO);
2881 remoteEchoOption = FALSE;
2884 if (appData.debugMode)
2885 fprintf(debugFP, "%d ", (unsigned char) option);
2886 /* Whatever this is, it must already be turned
2887 off, because we never agree to turn on
2888 anything non-default, so according to the
2889 protocol rules, we don't reply. */
2894 if (appData.debugMode)
2895 fprintf(debugFP, "\n<DO ");
2896 switch (option = (unsigned char) buf[++i]) {
2898 /* Whatever this is, we refuse to do it. */
2899 if (appData.debugMode)
2900 fprintf(debugFP, "%d ", option);
2901 TelnetRequest(TN_WONT, option);
2906 if (appData.debugMode)
2907 fprintf(debugFP, "\n<DONT ");
2908 switch (option = (unsigned char) buf[++i]) {
2910 if (appData.debugMode)
2911 fprintf(debugFP, "%d ", option);
2912 /* Whatever this is, we are already not doing
2913 it, because we never agree to do anything
2914 non-default, so according to the protocol
2915 rules, we don't reply. */
2920 if (appData.debugMode)
2921 fprintf(debugFP, "\n<IAC ");
2922 /* Doubled IAC; pass it through */
2926 if (appData.debugMode)
2927 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2928 /* Drop all other telnet commands on the floor */
2931 if (oldi > next_out)
2932 SendToPlayer(&buf[next_out], oldi - next_out);
2938 /* OK, this at least will *usually* work */
2939 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2943 if (loggedOn && !intfSet) {
2944 if (ics_type == ICS_ICC) {
2945 snprintf(str, MSG_SIZ,
2946 "/set-quietly interface %s\n/set-quietly style 12\n",
2948 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2949 strcat(str, "/set-2 51 1\n/set seek 1\n");
2950 } else if (ics_type == ICS_CHESSNET) {
2951 snprintf(str, MSG_SIZ, "/style 12\n");
2953 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2954 strcat(str, programVersion);
2955 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2956 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2957 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2959 strcat(str, "$iset nohighlight 1\n");
2961 strcat(str, "$iset lock 1\n$style 12\n");
2964 NotifyFrontendLogin();
2968 if (started == STARTED_COMMENT) {
2969 /* Accumulate characters in comment */
2970 parse[parse_pos++] = buf[i];
2971 if (buf[i] == '\n') {
2972 parse[parse_pos] = NULLCHAR;
2973 if(chattingPartner>=0) {
2975 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2976 OutputChatMessage(chattingPartner, mess);
2977 chattingPartner = -1;
2978 next_out = i+1; // [HGM] suppress printing in ICS window
2980 if(!suppressKibitz) // [HGM] kibitz
2981 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2982 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2983 int nrDigit = 0, nrAlph = 0, j;
2984 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2985 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2986 parse[parse_pos] = NULLCHAR;
2987 // try to be smart: if it does not look like search info, it should go to
2988 // ICS interaction window after all, not to engine-output window.
2989 for(j=0; j<parse_pos; j++) { // count letters and digits
2990 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2991 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2992 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2994 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2995 int depth=0; float score;
2996 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2997 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2998 pvInfoList[forwardMostMove-1].depth = depth;
2999 pvInfoList[forwardMostMove-1].score = 100*score;
3001 OutputKibitz(suppressKibitz, parse);
3004 if(gameMode == IcsObserving) // restore original ICS messages
3005 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3007 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3008 SendToPlayer(tmp, strlen(tmp));
3010 next_out = i+1; // [HGM] suppress printing in ICS window
3012 started = STARTED_NONE;
3014 /* Don't match patterns against characters in comment */
3019 if (started == STARTED_CHATTER) {
3020 if (buf[i] != '\n') {
3021 /* Don't match patterns against characters in chatter */
3025 started = STARTED_NONE;
3026 if(suppressKibitz) next_out = i+1;
3029 /* Kludge to deal with rcmd protocol */
3030 if (firstTime && looking_at(buf, &i, "\001*")) {
3031 DisplayFatalError(&buf[1], 0, 1);
3037 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3040 if (appData.debugMode)
3041 fprintf(debugFP, "ics_type %d\n", ics_type);
3044 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3045 ics_type = ICS_FICS;
3047 if (appData.debugMode)
3048 fprintf(debugFP, "ics_type %d\n", ics_type);
3051 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3052 ics_type = ICS_CHESSNET;
3054 if (appData.debugMode)
3055 fprintf(debugFP, "ics_type %d\n", ics_type);
3060 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3061 looking_at(buf, &i, "Logging you in as \"*\"") ||
3062 looking_at(buf, &i, "will be \"*\""))) {
3063 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3067 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3069 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3070 DisplayIcsInteractionTitle(buf);
3071 have_set_title = TRUE;
3074 /* skip finger notes */
3075 if (started == STARTED_NONE &&
3076 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3077 (buf[i] == '1' && buf[i+1] == '0')) &&
3078 buf[i+2] == ':' && buf[i+3] == ' ') {
3079 started = STARTED_CHATTER;
3085 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3086 if(appData.seekGraph) {
3087 if(soughtPending && MatchSoughtLine(buf+i)) {
3088 i = strstr(buf+i, "rated") - buf;
3089 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3090 next_out = leftover_start = i;
3091 started = STARTED_CHATTER;
3092 suppressKibitz = TRUE;
3095 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3096 && looking_at(buf, &i, "* ads displayed")) {
3097 soughtPending = FALSE;
3102 if(appData.autoRefresh) {
3103 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3104 int s = (ics_type == ICS_ICC); // ICC format differs
3106 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3107 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3108 looking_at(buf, &i, "*% "); // eat prompt
3109 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3110 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3111 next_out = i; // suppress
3114 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3115 char *p = star_match[0];
3117 if(seekGraphUp) RemoveSeekAd(atoi(p));
3118 while(*p && *p++ != ' '); // next
3120 looking_at(buf, &i, "*% "); // eat prompt
3121 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3128 /* skip formula vars */
3129 if (started == STARTED_NONE &&
3130 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3131 started = STARTED_CHATTER;
3136 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3137 if (appData.autoKibitz && started == STARTED_NONE &&
3138 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3139 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3140 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3141 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3142 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3143 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3144 suppressKibitz = TRUE;
3145 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3147 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3148 && (gameMode == IcsPlayingWhite)) ||
3149 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3150 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3151 started = STARTED_CHATTER; // own kibitz we simply discard
3153 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3154 parse_pos = 0; parse[0] = NULLCHAR;
3155 savingComment = TRUE;
3156 suppressKibitz = gameMode != IcsObserving ? 2 :
3157 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3161 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3162 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3163 && atoi(star_match[0])) {
3164 // suppress the acknowledgements of our own autoKibitz
3166 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3167 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3168 SendToPlayer(star_match[0], strlen(star_match[0]));
3169 if(looking_at(buf, &i, "*% ")) // eat prompt
3170 suppressKibitz = FALSE;
3174 } // [HGM] kibitz: end of patch
3176 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3178 // [HGM] chat: intercept tells by users for which we have an open chat window
3180 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3181 looking_at(buf, &i, "* whispers:") ||
3182 looking_at(buf, &i, "* kibitzes:") ||
3183 looking_at(buf, &i, "* shouts:") ||
3184 looking_at(buf, &i, "* c-shouts:") ||
3185 looking_at(buf, &i, "--> * ") ||
3186 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3187 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3188 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3189 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3191 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3192 chattingPartner = -1;
3194 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3195 for(p=0; p<MAX_CHAT; p++) {
3196 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3197 talker[0] = '['; strcat(talker, "] ");
3198 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3199 chattingPartner = p; break;
3202 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3203 for(p=0; p<MAX_CHAT; p++) {
3204 if(!strcmp("kibitzes", chatPartner[p])) {
3205 talker[0] = '['; strcat(talker, "] ");
3206 chattingPartner = p; break;
3209 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3210 for(p=0; p<MAX_CHAT; p++) {
3211 if(!strcmp("whispers", chatPartner[p])) {
3212 talker[0] = '['; strcat(talker, "] ");
3213 chattingPartner = p; break;
3216 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3217 if(buf[i-8] == '-' && buf[i-3] == 't')
3218 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3219 if(!strcmp("c-shouts", chatPartner[p])) {
3220 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3221 chattingPartner = p; break;
3224 if(chattingPartner < 0)
3225 for(p=0; p<MAX_CHAT; p++) {
3226 if(!strcmp("shouts", chatPartner[p])) {
3227 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3228 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3229 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3230 chattingPartner = p; break;
3234 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3235 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3236 talker[0] = 0; Colorize(ColorTell, FALSE);
3237 chattingPartner = p; break;
3239 if(chattingPartner<0) i = oldi; else {
3240 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3241 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3242 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3243 started = STARTED_COMMENT;
3244 parse_pos = 0; parse[0] = NULLCHAR;
3245 savingComment = 3 + chattingPartner; // counts as TRUE
3246 suppressKibitz = TRUE;
3249 } // [HGM] chat: end of patch
3252 if (appData.zippyTalk || appData.zippyPlay) {
3253 /* [DM] Backup address for color zippy lines */
3255 if (loggedOn == TRUE)
3256 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3257 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3259 } // [DM] 'else { ' deleted
3261 /* Regular tells and says */
3262 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3263 looking_at(buf, &i, "* (your partner) tells you: ") ||
3264 looking_at(buf, &i, "* says: ") ||
3265 /* Don't color "message" or "messages" output */
3266 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3267 looking_at(buf, &i, "*. * at *:*: ") ||
3268 looking_at(buf, &i, "--* (*:*): ") ||
3269 /* Message notifications (same color as tells) */
3270 looking_at(buf, &i, "* has left a message ") ||
3271 looking_at(buf, &i, "* just sent you a message:\n") ||
3272 /* Whispers and kibitzes */
3273 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3274 looking_at(buf, &i, "* kibitzes: ") ||
3276 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3278 if (tkind == 1 && strchr(star_match[0], ':')) {
3279 /* Avoid "tells you:" spoofs in channels */
3282 if (star_match[0][0] == NULLCHAR ||
3283 strchr(star_match[0], ' ') ||
3284 (tkind == 3 && strchr(star_match[1], ' '))) {
3285 /* Reject bogus matches */
3288 if (appData.colorize) {
3289 if (oldi > next_out) {
3290 SendToPlayer(&buf[next_out], oldi - next_out);
3295 Colorize(ColorTell, FALSE);
3296 curColor = ColorTell;
3299 Colorize(ColorKibitz, FALSE);
3300 curColor = ColorKibitz;
3303 p = strrchr(star_match[1], '(');
3310 Colorize(ColorChannel1, FALSE);
3311 curColor = ColorChannel1;
3313 Colorize(ColorChannel, FALSE);
3314 curColor = ColorChannel;
3318 curColor = ColorNormal;
3322 if (started == STARTED_NONE && appData.autoComment &&
3323 (gameMode == IcsObserving ||
3324 gameMode == IcsPlayingWhite ||
3325 gameMode == IcsPlayingBlack)) {
3326 parse_pos = i - oldi;
3327 memcpy(parse, &buf[oldi], parse_pos);
3328 parse[parse_pos] = NULLCHAR;
3329 started = STARTED_COMMENT;
3330 savingComment = TRUE;
3332 started = STARTED_CHATTER;
3333 savingComment = FALSE;
3340 if (looking_at(buf, &i, "* s-shouts: ") ||
3341 looking_at(buf, &i, "* c-shouts: ")) {
3342 if (appData.colorize) {
3343 if (oldi > next_out) {
3344 SendToPlayer(&buf[next_out], oldi - next_out);
3347 Colorize(ColorSShout, FALSE);
3348 curColor = ColorSShout;
3351 started = STARTED_CHATTER;
3355 if (looking_at(buf, &i, "--->")) {
3360 if (looking_at(buf, &i, "* shouts: ") ||
3361 looking_at(buf, &i, "--> ")) {
3362 if (appData.colorize) {
3363 if (oldi > next_out) {
3364 SendToPlayer(&buf[next_out], oldi - next_out);
3367 Colorize(ColorShout, FALSE);
3368 curColor = ColorShout;
3371 started = STARTED_CHATTER;
3375 if (looking_at( buf, &i, "Challenge:")) {
3376 if (appData.colorize) {
3377 if (oldi > next_out) {
3378 SendToPlayer(&buf[next_out], oldi - next_out);
3381 Colorize(ColorChallenge, FALSE);
3382 curColor = ColorChallenge;
3388 if (looking_at(buf, &i, "* offers you") ||
3389 looking_at(buf, &i, "* offers to be") ||
3390 looking_at(buf, &i, "* would like to") ||
3391 looking_at(buf, &i, "* requests to") ||
3392 looking_at(buf, &i, "Your opponent offers") ||
3393 looking_at(buf, &i, "Your opponent requests")) {
3395 if (appData.colorize) {
3396 if (oldi > next_out) {
3397 SendToPlayer(&buf[next_out], oldi - next_out);
3400 Colorize(ColorRequest, FALSE);
3401 curColor = ColorRequest;
3406 if (looking_at(buf, &i, "* (*) seeking")) {
3407 if (appData.colorize) {
3408 if (oldi > next_out) {
3409 SendToPlayer(&buf[next_out], oldi - next_out);
3412 Colorize(ColorSeek, FALSE);
3413 curColor = ColorSeek;
3418 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3420 if (looking_at(buf, &i, "\\ ")) {
3421 if (prevColor != ColorNormal) {
3422 if (oldi > next_out) {
3423 SendToPlayer(&buf[next_out], oldi - next_out);
3426 Colorize(prevColor, TRUE);
3427 curColor = prevColor;
3429 if (savingComment) {
3430 parse_pos = i - oldi;
3431 memcpy(parse, &buf[oldi], parse_pos);
3432 parse[parse_pos] = NULLCHAR;
3433 started = STARTED_COMMENT;
3434 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3435 chattingPartner = savingComment - 3; // kludge to remember the box
3437 started = STARTED_CHATTER;
3442 if (looking_at(buf, &i, "Black Strength :") ||
3443 looking_at(buf, &i, "<<< style 10 board >>>") ||
3444 looking_at(buf, &i, "<10>") ||
3445 looking_at(buf, &i, "#@#")) {
3446 /* Wrong board style */
3448 SendToICS(ics_prefix);
3449 SendToICS("set style 12\n");
3450 SendToICS(ics_prefix);
3451 SendToICS("refresh\n");
3455 if (looking_at(buf, &i, "login:")) {
3456 if (!have_sent_ICS_logon) {
3458 have_sent_ICS_logon = 1;
3459 else // no init script was found
3460 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3461 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3462 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3467 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3468 (looking_at(buf, &i, "\n<12> ") ||
3469 looking_at(buf, &i, "<12> "))) {
3471 if (oldi > next_out) {
3472 SendToPlayer(&buf[next_out], oldi - next_out);
3475 started = STARTED_BOARD;
3480 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3481 looking_at(buf, &i, "<b1> ")) {
3482 if (oldi > next_out) {
3483 SendToPlayer(&buf[next_out], oldi - next_out);
3486 started = STARTED_HOLDINGS;
3491 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3493 /* Header for a move list -- first line */
3495 switch (ics_getting_history) {
3499 case BeginningOfGame:
3500 /* User typed "moves" or "oldmoves" while we
3501 were idle. Pretend we asked for these
3502 moves and soak them up so user can step
3503 through them and/or save them.
3506 gameMode = IcsObserving;
3509 ics_getting_history = H_GOT_UNREQ_HEADER;
3511 case EditGame: /*?*/
3512 case EditPosition: /*?*/
3513 /* Should above feature work in these modes too? */
3514 /* For now it doesn't */
3515 ics_getting_history = H_GOT_UNWANTED_HEADER;
3518 ics_getting_history = H_GOT_UNWANTED_HEADER;
3523 /* Is this the right one? */
3524 if (gameInfo.white && gameInfo.black &&
3525 strcmp(gameInfo.white, star_match[0]) == 0 &&
3526 strcmp(gameInfo.black, star_match[2]) == 0) {
3528 ics_getting_history = H_GOT_REQ_HEADER;
3531 case H_GOT_REQ_HEADER:
3532 case H_GOT_UNREQ_HEADER:
3533 case H_GOT_UNWANTED_HEADER:
3534 case H_GETTING_MOVES:
3535 /* Should not happen */
3536 DisplayError(_("Error gathering move list: two headers"), 0);
3537 ics_getting_history = H_FALSE;
3541 /* Save player ratings into gameInfo if needed */
3542 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3543 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3544 (gameInfo.whiteRating == -1 ||
3545 gameInfo.blackRating == -1)) {
3547 gameInfo.whiteRating = string_to_rating(star_match[1]);
3548 gameInfo.blackRating = string_to_rating(star_match[3]);
3549 if (appData.debugMode)
3550 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3551 gameInfo.whiteRating, gameInfo.blackRating);
3556 if (looking_at(buf, &i,
3557 "* * match, initial time: * minute*, increment: * second")) {
3558 /* Header for a move list -- second line */
3559 /* Initial board will follow if this is a wild game */
3560 if (gameInfo.event != NULL) free(gameInfo.event);
3561 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3562 gameInfo.event = StrSave(str);
3563 /* [HGM] we switched variant. Translate boards if needed. */
3564 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3568 if (looking_at(buf, &i, "Move ")) {
3569 /* Beginning of a move list */
3570 switch (ics_getting_history) {
3572 /* Normally should not happen */
3573 /* Maybe user hit reset while we were parsing */
3576 /* Happens if we are ignoring a move list that is not
3577 * the one we just requested. Common if the user
3578 * tries to observe two games without turning off
3581 case H_GETTING_MOVES:
3582 /* Should not happen */
3583 DisplayError(_("Error gathering move list: nested"), 0);
3584 ics_getting_history = H_FALSE;
3586 case H_GOT_REQ_HEADER:
3587 ics_getting_history = H_GETTING_MOVES;
3588 started = STARTED_MOVES;
3590 if (oldi > next_out) {
3591 SendToPlayer(&buf[next_out], oldi - next_out);
3594 case H_GOT_UNREQ_HEADER:
3595 ics_getting_history = H_GETTING_MOVES;
3596 started = STARTED_MOVES_NOHIDE;
3599 case H_GOT_UNWANTED_HEADER:
3600 ics_getting_history = H_FALSE;
3606 if (looking_at(buf, &i, "% ") ||
3607 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3608 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3609 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3610 soughtPending = FALSE;
3614 if(suppressKibitz) next_out = i;
3615 savingComment = FALSE;
3619 case STARTED_MOVES_NOHIDE:
3620 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3621 parse[parse_pos + i - oldi] = NULLCHAR;
3622 ParseGameHistory(parse);
3624 if (appData.zippyPlay && first.initDone) {
3625 FeedMovesToProgram(&first, forwardMostMove);
3626 if (gameMode == IcsPlayingWhite) {
3627 if (WhiteOnMove(forwardMostMove)) {
3628 if (first.sendTime) {
3629 if (first.useColors) {
3630 SendToProgram("black\n", &first);
3632 SendTimeRemaining(&first, TRUE);
3634 if (first.useColors) {
3635 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3637 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3638 first.maybeThinking = TRUE;
3640 if (first.usePlayother) {
3641 if (first.sendTime) {
3642 SendTimeRemaining(&first, TRUE);
3644 SendToProgram("playother\n", &first);
3650 } else if (gameMode == IcsPlayingBlack) {
3651 if (!WhiteOnMove(forwardMostMove)) {
3652 if (first.sendTime) {
3653 if (first.useColors) {
3654 SendToProgram("white\n", &first);
3656 SendTimeRemaining(&first, FALSE);
3658 if (first.useColors) {
3659 SendToProgram("black\n", &first);
3661 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3662 first.maybeThinking = TRUE;
3664 if (first.usePlayother) {
3665 if (first.sendTime) {
3666 SendTimeRemaining(&first, FALSE);
3668 SendToProgram("playother\n", &first);
3677 if (gameMode == IcsObserving && ics_gamenum == -1) {
3678 /* Moves came from oldmoves or moves command
3679 while we weren't doing anything else.
3681 currentMove = forwardMostMove;
3682 ClearHighlights();/*!!could figure this out*/
3683 flipView = appData.flipView;
3684 DrawPosition(TRUE, boards[currentMove]);
3685 DisplayBothClocks();
3686 snprintf(str, MSG_SIZ, "%s %s %s",
3687 gameInfo.white, _("vs."), gameInfo.black);
3691 /* Moves were history of an active game */
3692 if (gameInfo.resultDetails != NULL) {
3693 free(gameInfo.resultDetails);
3694 gameInfo.resultDetails = NULL;
3697 HistorySet(parseList, backwardMostMove,
3698 forwardMostMove, currentMove-1);
3699 DisplayMove(currentMove - 1);
3700 if (started == STARTED_MOVES) next_out = i;
3701 started = STARTED_NONE;
3702 ics_getting_history = H_FALSE;
3705 case STARTED_OBSERVE:
3706 started = STARTED_NONE;
3707 SendToICS(ics_prefix);
3708 SendToICS("refresh\n");
3714 if(bookHit) { // [HGM] book: simulate book reply
3715 static char bookMove[MSG_SIZ]; // a bit generous?
3717 programStats.nodes = programStats.depth = programStats.time =
3718 programStats.score = programStats.got_only_move = 0;
3719 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3721 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3722 strcat(bookMove, bookHit);
3723 HandleMachineMove(bookMove, &first);
3728 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3729 started == STARTED_HOLDINGS ||
3730 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3731 /* Accumulate characters in move list or board */
3732 parse[parse_pos++] = buf[i];
3735 /* Start of game messages. Mostly we detect start of game
3736 when the first board image arrives. On some versions
3737 of the ICS, though, we need to do a "refresh" after starting
3738 to observe in order to get the current board right away. */
3739 if (looking_at(buf, &i, "Adding game * to observation list")) {
3740 started = STARTED_OBSERVE;
3744 /* Handle auto-observe */
3745 if (appData.autoObserve &&
3746 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3747 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3749 /* Choose the player that was highlighted, if any. */
3750 if (star_match[0][0] == '\033' ||
3751 star_match[1][0] != '\033') {
3752 player = star_match[0];
3754 player = star_match[2];
3756 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3757 ics_prefix, StripHighlightAndTitle(player));
3760 /* Save ratings from notify string */
3761 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3762 player1Rating = string_to_rating(star_match[1]);
3763 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3764 player2Rating = string_to_rating(star_match[3]);
3766 if (appData.debugMode)
3768 "Ratings from 'Game notification:' %s %d, %s %d\n",
3769 player1Name, player1Rating,
3770 player2Name, player2Rating);
3775 /* Deal with automatic examine mode after a game,
3776 and with IcsObserving -> IcsExamining transition */
3777 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3778 looking_at(buf, &i, "has made you an examiner of game *")) {
3780 int gamenum = atoi(star_match[0]);
3781 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3782 gamenum == ics_gamenum) {
3783 /* We were already playing or observing this game;
3784 no need to refetch history */
3785 gameMode = IcsExamining;
3787 pauseExamForwardMostMove = forwardMostMove;
3788 } else if (currentMove < forwardMostMove) {
3789 ForwardInner(forwardMostMove);
3792 /* I don't think this case really can happen */
3793 SendToICS(ics_prefix);
3794 SendToICS("refresh\n");
3799 /* Error messages */
3800 // if (ics_user_moved) {
3801 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3802 if (looking_at(buf, &i, "Illegal move") ||
3803 looking_at(buf, &i, "Not a legal move") ||
3804 looking_at(buf, &i, "Your king is in check") ||
3805 looking_at(buf, &i, "It isn't your turn") ||
3806 looking_at(buf, &i, "It is not your move")) {
3808 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3809 currentMove = forwardMostMove-1;
3810 DisplayMove(currentMove - 1); /* before DMError */
3811 DrawPosition(FALSE, boards[currentMove]);
3812 SwitchClocks(forwardMostMove-1); // [HGM] race
3813 DisplayBothClocks();
3815 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3821 if (looking_at(buf, &i, "still have time") ||
3822 looking_at(buf, &i, "not out of time") ||
3823 looking_at(buf, &i, "either player is out of time") ||
3824 looking_at(buf, &i, "has timeseal; checking")) {
3825 /* We must have called his flag a little too soon */
3826 whiteFlag = blackFlag = FALSE;
3830 if (looking_at(buf, &i, "added * seconds to") ||
3831 looking_at(buf, &i, "seconds were added to")) {
3832 /* Update the clocks */
3833 SendToICS(ics_prefix);
3834 SendToICS("refresh\n");
3838 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3839 ics_clock_paused = TRUE;
3844 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3845 ics_clock_paused = FALSE;
3850 /* Grab player ratings from the Creating: message.
3851 Note we have to check for the special case when
3852 the ICS inserts things like [white] or [black]. */
3853 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3854 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3856 0 player 1 name (not necessarily white)
3858 2 empty, white, or black (IGNORED)
3859 3 player 2 name (not necessarily black)
3862 The names/ratings are sorted out when the game
3863 actually starts (below).
3865 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3866 player1Rating = string_to_rating(star_match[1]);
3867 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3868 player2Rating = string_to_rating(star_match[4]);
3870 if (appData.debugMode)
3872 "Ratings from 'Creating:' %s %d, %s %d\n",
3873 player1Name, player1Rating,
3874 player2Name, player2Rating);
3879 /* Improved generic start/end-of-game messages */
3880 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3881 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3882 /* If tkind == 0: */
3883 /* star_match[0] is the game number */
3884 /* [1] is the white player's name */
3885 /* [2] is the black player's name */
3886 /* For end-of-game: */
3887 /* [3] is the reason for the game end */
3888 /* [4] is a PGN end game-token, preceded by " " */
3889 /* For start-of-game: */
3890 /* [3] begins with "Creating" or "Continuing" */
3891 /* [4] is " *" or empty (don't care). */
3892 int gamenum = atoi(star_match[0]);
3893 char *whitename, *blackname, *why, *endtoken;
3894 ChessMove endtype = EndOfFile;
3897 whitename = star_match[1];
3898 blackname = star_match[2];
3899 why = star_match[3];
3900 endtoken = star_match[4];
3902 whitename = star_match[1];
3903 blackname = star_match[3];
3904 why = star_match[5];
3905 endtoken = star_match[6];
3908 /* Game start messages */
3909 if (strncmp(why, "Creating ", 9) == 0 ||
3910 strncmp(why, "Continuing ", 11) == 0) {
3911 gs_gamenum = gamenum;
3912 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3913 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3914 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3916 if (appData.zippyPlay) {
3917 ZippyGameStart(whitename, blackname);
3920 partnerBoardValid = FALSE; // [HGM] bughouse
3924 /* Game end messages */
3925 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3926 ics_gamenum != gamenum) {
3929 while (endtoken[0] == ' ') endtoken++;
3930 switch (endtoken[0]) {
3933 endtype = GameUnfinished;
3936 endtype = BlackWins;
3939 if (endtoken[1] == '/')
3940 endtype = GameIsDrawn;
3942 endtype = WhiteWins;
3945 GameEnds(endtype, why, GE_ICS);
3947 if (appData.zippyPlay && first.initDone) {
3948 ZippyGameEnd(endtype, why);
3949 if (first.pr == NoProc) {
3950 /* Start the next process early so that we'll
3951 be ready for the next challenge */
3952 StartChessProgram(&first);
3954 /* Send "new" early, in case this command takes
3955 a long time to finish, so that we'll be ready
3956 for the next challenge. */
3957 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3961 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3965 if (looking_at(buf, &i, "Removing game * from observation") ||
3966 looking_at(buf, &i, "no longer observing game *") ||
3967 looking_at(buf, &i, "Game * (*) has no examiners")) {
3968 if (gameMode == IcsObserving &&
3969 atoi(star_match[0]) == ics_gamenum)
3971 /* icsEngineAnalyze */
3972 if (appData.icsEngineAnalyze) {
3979 ics_user_moved = FALSE;
3984 if (looking_at(buf, &i, "no longer examining game *")) {
3985 if (gameMode == IcsExamining &&
3986 atoi(star_match[0]) == ics_gamenum)
3990 ics_user_moved = FALSE;
3995 /* Advance leftover_start past any newlines we find,
3996 so only partial lines can get reparsed */
3997 if (looking_at(buf, &i, "\n")) {
3998 prevColor = curColor;
3999 if (curColor != ColorNormal) {
4000 if (oldi > next_out) {
4001 SendToPlayer(&buf[next_out], oldi - next_out);
4004 Colorize(ColorNormal, FALSE);
4005 curColor = ColorNormal;
4007 if (started == STARTED_BOARD) {
4008 started = STARTED_NONE;
4009 parse[parse_pos] = NULLCHAR;
4010 ParseBoard12(parse);
4013 /* Send premove here */
4014 if (appData.premove) {
4016 if (currentMove == 0 &&
4017 gameMode == IcsPlayingWhite &&
4018 appData.premoveWhite) {
4019 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4020 if (appData.debugMode)
4021 fprintf(debugFP, "Sending premove:\n");
4023 } else if (currentMove == 1 &&
4024 gameMode == IcsPlayingBlack &&
4025 appData.premoveBlack) {
4026 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4027 if (appData.debugMode)
4028 fprintf(debugFP, "Sending premove:\n");
4030 } else if (gotPremove) {
4032 ClearPremoveHighlights();
4033 if (appData.debugMode)
4034 fprintf(debugFP, "Sending premove:\n");
4035 UserMoveEvent(premoveFromX, premoveFromY,
4036 premoveToX, premoveToY,
4041 /* Usually suppress following prompt */
4042 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4043 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4044 if (looking_at(buf, &i, "*% ")) {
4045 savingComment = FALSE;
4050 } else if (started == STARTED_HOLDINGS) {
4052 char new_piece[MSG_SIZ];
4053 started = STARTED_NONE;
4054 parse[parse_pos] = NULLCHAR;
4055 if (appData.debugMode)
4056 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4057 parse, currentMove);
4058 if (sscanf(parse, " game %d", &gamenum) == 1) {
4059 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4060 if (gameInfo.variant == VariantNormal) {
4061 /* [HGM] We seem to switch variant during a game!
4062 * Presumably no holdings were displayed, so we have
4063 * to move the position two files to the right to
4064 * create room for them!
4066 VariantClass newVariant;
4067 switch(gameInfo.boardWidth) { // base guess on board width
4068 case 9: newVariant = VariantShogi; break;
4069 case 10: newVariant = VariantGreat; break;
4070 default: newVariant = VariantCrazyhouse; break;
4072 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4073 /* Get a move list just to see the header, which
4074 will tell us whether this is really bug or zh */
4075 if (ics_getting_history == H_FALSE) {
4076 ics_getting_history = H_REQUESTED;
4077 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4081 new_piece[0] = NULLCHAR;
4082 sscanf(parse, "game %d white [%s black [%s <- %s",
4083 &gamenum, white_holding, black_holding,
4085 white_holding[strlen(white_holding)-1] = NULLCHAR;
4086 black_holding[strlen(black_holding)-1] = NULLCHAR;
4087 /* [HGM] copy holdings to board holdings area */
4088 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4089 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4090 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4092 if (appData.zippyPlay && first.initDone) {
4093 ZippyHoldings(white_holding, black_holding,
4097 if (tinyLayout || smallLayout) {
4098 char wh[16], bh[16];
4099 PackHolding(wh, white_holding);
4100 PackHolding(bh, black_holding);
4101 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4102 gameInfo.white, gameInfo.black);
4104 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4105 gameInfo.white, white_holding, _("vs."),
4106 gameInfo.black, black_holding);
4108 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4109 DrawPosition(FALSE, boards[currentMove]);
4111 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4112 sscanf(parse, "game %d white [%s black [%s <- %s",
4113 &gamenum, white_holding, black_holding,
4115 white_holding[strlen(white_holding)-1] = NULLCHAR;
4116 black_holding[strlen(black_holding)-1] = NULLCHAR;
4117 /* [HGM] copy holdings to partner-board holdings area */
4118 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4119 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4120 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4121 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4122 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4125 /* Suppress following prompt */
4126 if (looking_at(buf, &i, "*% ")) {
4127 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4128 savingComment = FALSE;
4136 i++; /* skip unparsed character and loop back */
4139 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4140 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4141 // SendToPlayer(&buf[next_out], i - next_out);
4142 started != STARTED_HOLDINGS && leftover_start > next_out) {
4143 SendToPlayer(&buf[next_out], leftover_start - next_out);
4147 leftover_len = buf_len - leftover_start;
4148 /* if buffer ends with something we couldn't parse,
4149 reparse it after appending the next read */
4151 } else if (count == 0) {
4152 RemoveInputSource(isr);
4153 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4155 DisplayFatalError(_("Error reading from ICS"), error, 1);
4160 /* Board style 12 looks like this:
4162 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4164 * The "<12> " is stripped before it gets to this routine. The two
4165 * trailing 0's (flip state and clock ticking) are later addition, and
4166 * some chess servers may not have them, or may have only the first.
4167 * Additional trailing fields may be added in the future.
4170 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4172 #define RELATION_OBSERVING_PLAYED 0
4173 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4174 #define RELATION_PLAYING_MYMOVE 1
4175 #define RELATION_PLAYING_NOTMYMOVE -1
4176 #define RELATION_EXAMINING 2
4177 #define RELATION_ISOLATED_BOARD -3
4178 #define RELATION_STARTING_POSITION -4 /* FICS only */
4181 ParseBoard12 (char *string)
4185 char *bookHit = NULL; // [HGM] book
4187 GameMode newGameMode;
4188 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4189 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4190 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4191 char to_play, board_chars[200];
4192 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4193 char black[32], white[32];
4195 int prevMove = currentMove;
4198 int fromX, fromY, toX, toY;
4200 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4201 Boolean weird = FALSE, reqFlag = FALSE;
4203 fromX = fromY = toX = toY = -1;
4207 if (appData.debugMode)
4208 fprintf(debugFP, _("Parsing board: %s\n"), string);
4210 move_str[0] = NULLCHAR;
4211 elapsed_time[0] = NULLCHAR;
4212 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4214 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4215 if(string[i] == ' ') { ranks++; files = 0; }
4217 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4220 for(j = 0; j <i; j++) board_chars[j] = string[j];
4221 board_chars[i] = '\0';
4224 n = sscanf(string, PATTERN, &to_play, &double_push,
4225 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4226 &gamenum, white, black, &relation, &basetime, &increment,
4227 &white_stren, &black_stren, &white_time, &black_time,
4228 &moveNum, str, elapsed_time, move_str, &ics_flip,
4232 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4233 DisplayError(str, 0);
4237 /* Convert the move number to internal form */
4238 moveNum = (moveNum - 1) * 2;
4239 if (to_play == 'B') moveNum++;
4240 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4241 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4247 case RELATION_OBSERVING_PLAYED:
4248 case RELATION_OBSERVING_STATIC:
4249 if (gamenum == -1) {
4250 /* Old ICC buglet */
4251 relation = RELATION_OBSERVING_STATIC;
4253 newGameMode = IcsObserving;
4255 case RELATION_PLAYING_MYMOVE:
4256 case RELATION_PLAYING_NOTMYMOVE:
4258 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4259 IcsPlayingWhite : IcsPlayingBlack;
4260 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4262 case RELATION_EXAMINING:
4263 newGameMode = IcsExamining;
4265 case RELATION_ISOLATED_BOARD:
4267 /* Just display this board. If user was doing something else,
4268 we will forget about it until the next board comes. */
4269 newGameMode = IcsIdle;
4271 case RELATION_STARTING_POSITION:
4272 newGameMode = gameMode;
4276 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4277 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4278 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4279 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4280 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4281 static int lastBgGame = -1;
4283 for (k = 0; k < ranks; k++) {
4284 for (j = 0; j < files; j++)
4285 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4286 if(gameInfo.holdingsWidth > 1) {
4287 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4288 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4291 CopyBoard(partnerBoard, board);
4292 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4293 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4294 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4295 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4296 if(toSqr = strchr(str, '-')) {
4297 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4298 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4299 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4300 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4301 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4302 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4304 DisplayWhiteClock(white_time*fac, to_play == 'W');
4305 DisplayBlackClock(black_time*fac, to_play != 'W');
4306 activePartner = to_play;
4307 if(gamenum != lastBgGame) {
4309 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4312 lastBgGame = gamenum;
4313 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4314 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4315 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4316 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4317 DisplayMessage(partnerStatus, "");
4318 partnerBoardValid = TRUE;
4322 if(appData.dualBoard && appData.bgObserve) {
4323 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4324 SendToICS(ics_prefix), SendToICS("pobserve\n");
4325 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4327 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4332 /* Modify behavior for initial board display on move listing
4335 switch (ics_getting_history) {
4339 case H_GOT_REQ_HEADER:
4340 case H_GOT_UNREQ_HEADER:
4341 /* This is the initial position of the current game */
4342 gamenum = ics_gamenum;
4343 moveNum = 0; /* old ICS bug workaround */
4344 if (to_play == 'B') {
4345 startedFromSetupPosition = TRUE;
4346 blackPlaysFirst = TRUE;
4348 if (forwardMostMove == 0) forwardMostMove = 1;
4349 if (backwardMostMove == 0) backwardMostMove = 1;
4350 if (currentMove == 0) currentMove = 1;
4352 newGameMode = gameMode;
4353 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4355 case H_GOT_UNWANTED_HEADER:
4356 /* This is an initial board that we don't want */
4358 case H_GETTING_MOVES:
4359 /* Should not happen */
4360 DisplayError(_("Error gathering move list: extra board"), 0);
4361 ics_getting_history = H_FALSE;
4365 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4366 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4367 weird && (int)gameInfo.variant < (int)VariantShogi) {
4368 /* [HGM] We seem to have switched variant unexpectedly
4369 * Try to guess new variant from board size
4371 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4372 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4373 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4374 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4375 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4376 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4377 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4378 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4379 /* Get a move list just to see the header, which
4380 will tell us whether this is really bug or zh */
4381 if (ics_getting_history == H_FALSE) {
4382 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4383 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4388 /* Take action if this is the first board of a new game, or of a
4389 different game than is currently being displayed. */
4390 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4391 relation == RELATION_ISOLATED_BOARD) {
4393 /* Forget the old game and get the history (if any) of the new one */
4394 if (gameMode != BeginningOfGame) {
4398 if (appData.autoRaiseBoard) BoardToTop();
4400 if (gamenum == -1) {
4401 newGameMode = IcsIdle;
4402 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4403 appData.getMoveList && !reqFlag) {
4404 /* Need to get game history */
4405 ics_getting_history = H_REQUESTED;
4406 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4410 /* Initially flip the board to have black on the bottom if playing
4411 black or if the ICS flip flag is set, but let the user change
4412 it with the Flip View button. */
4413 flipView = appData.autoFlipView ?
4414 (newGameMode == IcsPlayingBlack) || ics_flip :
4417 /* Done with values from previous mode; copy in new ones */
4418 gameMode = newGameMode;
4420 ics_gamenum = gamenum;
4421 if (gamenum == gs_gamenum) {
4422 int klen = strlen(gs_kind);
4423 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4424 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4425 gameInfo.event = StrSave(str);
4427 gameInfo.event = StrSave("ICS game");
4429 gameInfo.site = StrSave(appData.icsHost);
4430 gameInfo.date = PGNDate();
4431 gameInfo.round = StrSave("-");
4432 gameInfo.white = StrSave(white);
4433 gameInfo.black = StrSave(black);
4434 timeControl = basetime * 60 * 1000;
4436 timeIncrement = increment * 1000;
4437 movesPerSession = 0;
4438 gameInfo.timeControl = TimeControlTagValue();
4439 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4440 if (appData.debugMode) {
4441 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4442 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4443 setbuf(debugFP, NULL);
4446 gameInfo.outOfBook = NULL;
4448 /* Do we have the ratings? */
4449 if (strcmp(player1Name, white) == 0 &&
4450 strcmp(player2Name, black) == 0) {
4451 if (appData.debugMode)
4452 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4453 player1Rating, player2Rating);
4454 gameInfo.whiteRating = player1Rating;
4455 gameInfo.blackRating = player2Rating;
4456 } else if (strcmp(player2Name, white) == 0 &&
4457 strcmp(player1Name, black) == 0) {
4458 if (appData.debugMode)
4459 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4460 player2Rating, player1Rating);
4461 gameInfo.whiteRating = player2Rating;
4462 gameInfo.blackRating = player1Rating;
4464 player1Name[0] = player2Name[0] = NULLCHAR;
4466 /* Silence shouts if requested */
4467 if (appData.quietPlay &&
4468 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4469 SendToICS(ics_prefix);
4470 SendToICS("set shout 0\n");
4474 /* Deal with midgame name changes */
4476 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4477 if (gameInfo.white) free(gameInfo.white);
4478 gameInfo.white = StrSave(white);
4480 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4481 if (gameInfo.black) free(gameInfo.black);
4482 gameInfo.black = StrSave(black);
4486 /* Throw away game result if anything actually changes in examine mode */
4487 if (gameMode == IcsExamining && !newGame) {
4488 gameInfo.result = GameUnfinished;
4489 if (gameInfo.resultDetails != NULL) {
4490 free(gameInfo.resultDetails);
4491 gameInfo.resultDetails = NULL;
4495 /* In pausing && IcsExamining mode, we ignore boards coming
4496 in if they are in a different variation than we are. */
4497 if (pauseExamInvalid) return;
4498 if (pausing && gameMode == IcsExamining) {
4499 if (moveNum <= pauseExamForwardMostMove) {
4500 pauseExamInvalid = TRUE;
4501 forwardMostMove = pauseExamForwardMostMove;
4506 if (appData.debugMode) {
4507 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4509 /* Parse the board */
4510 for (k = 0; k < ranks; k++) {
4511 for (j = 0; j < files; j++)
4512 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4513 if(gameInfo.holdingsWidth > 1) {
4514 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4515 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4518 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4519 board[5][BOARD_RGHT+1] = WhiteAngel;
4520 board[6][BOARD_RGHT+1] = WhiteMarshall;
4521 board[1][0] = BlackMarshall;
4522 board[2][0] = BlackAngel;
4523 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4525 CopyBoard(boards[moveNum], board);
4526 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4528 startedFromSetupPosition =
4529 !CompareBoards(board, initialPosition);
4530 if(startedFromSetupPosition)
4531 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4534 /* [HGM] Set castling rights. Take the outermost Rooks,
4535 to make it also work for FRC opening positions. Note that board12
4536 is really defective for later FRC positions, as it has no way to
4537 indicate which Rook can castle if they are on the same side of King.
4538 For the initial position we grant rights to the outermost Rooks,
4539 and remember thos rights, and we then copy them on positions
4540 later in an FRC game. This means WB might not recognize castlings with
4541 Rooks that have moved back to their original position as illegal,
4542 but in ICS mode that is not its job anyway.
4544 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4545 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4547 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4548 if(board[0][i] == WhiteRook) j = i;
4549 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4550 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4551 if(board[0][i] == WhiteRook) j = i;
4552 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4553 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4554 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4555 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4556 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4557 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4558 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4560 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4561 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4562 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4563 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4564 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4565 if(board[BOARD_HEIGHT-1][k] == bKing)
4566 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4567 if(gameInfo.variant == VariantTwoKings) {
4568 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4569 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4570 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4573 r = boards[moveNum][CASTLING][0] = initialRights[0];
4574 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4575 r = boards[moveNum][CASTLING][1] = initialRights[1];
4576 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4577 r = boards[moveNum][CASTLING][3] = initialRights[3];
4578 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4579 r = boards[moveNum][CASTLING][4] = initialRights[4];
4580 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4581 /* wildcastle kludge: always assume King has rights */
4582 r = boards[moveNum][CASTLING][2] = initialRights[2];
4583 r = boards[moveNum][CASTLING][5] = initialRights[5];
4585 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4586 boards[moveNum][EP_STATUS] = EP_NONE;
4587 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4588 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4589 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4592 if (ics_getting_history == H_GOT_REQ_HEADER ||
4593 ics_getting_history == H_GOT_UNREQ_HEADER) {
4594 /* This was an initial position from a move list, not
4595 the current position */
4599 /* Update currentMove and known move number limits */
4600 newMove = newGame || moveNum > forwardMostMove;
4603 forwardMostMove = backwardMostMove = currentMove = moveNum;
4604 if (gameMode == IcsExamining && moveNum == 0) {
4605 /* Workaround for ICS limitation: we are not told the wild
4606 type when starting to examine a game. But if we ask for
4607 the move list, the move list header will tell us */
4608 ics_getting_history = H_REQUESTED;
4609 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4612 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4613 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4615 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4616 /* [HGM] applied this also to an engine that is silently watching */
4617 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4618 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4619 gameInfo.variant == currentlyInitializedVariant) {
4620 takeback = forwardMostMove - moveNum;
4621 for (i = 0; i < takeback; i++) {
4622 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4623 SendToProgram("undo\n", &first);
4628 forwardMostMove = moveNum;
4629 if (!pausing || currentMove > forwardMostMove)
4630 currentMove = forwardMostMove;
4632 /* New part of history that is not contiguous with old part */
4633 if (pausing && gameMode == IcsExamining) {
4634 pauseExamInvalid = TRUE;
4635 forwardMostMove = pauseExamForwardMostMove;
4638 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4640 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4641 // [HGM] when we will receive the move list we now request, it will be
4642 // fed to the engine from the first move on. So if the engine is not
4643 // in the initial position now, bring it there.
4644 InitChessProgram(&first, 0);
4647 ics_getting_history = H_REQUESTED;
4648 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4651 forwardMostMove = backwardMostMove = currentMove = moveNum;
4654 /* Update the clocks */
4655 if (strchr(elapsed_time, '.')) {
4657 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4658 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4660 /* Time is in seconds */
4661 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4662 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4667 if (appData.zippyPlay && newGame &&
4668 gameMode != IcsObserving && gameMode != IcsIdle &&
4669 gameMode != IcsExamining)
4670 ZippyFirstBoard(moveNum, basetime, increment);
4673 /* Put the move on the move list, first converting
4674 to canonical algebraic form. */
4676 if (appData.debugMode) {
4677 if (appData.debugMode) { int f = forwardMostMove;
4678 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4679 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4680 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4682 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4683 fprintf(debugFP, "moveNum = %d\n", moveNum);
4684 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4685 setbuf(debugFP, NULL);
4687 if (moveNum <= backwardMostMove) {
4688 /* We don't know what the board looked like before
4690 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4691 strcat(parseList[moveNum - 1], " ");
4692 strcat(parseList[moveNum - 1], elapsed_time);
4693 moveList[moveNum - 1][0] = NULLCHAR;
4694 } else if (strcmp(move_str, "none") == 0) {
4695 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4696 /* Again, we don't know what the board looked like;
4697 this is really the start of the game. */
4698 parseList[moveNum - 1][0] = NULLCHAR;
4699 moveList[moveNum - 1][0] = NULLCHAR;
4700 backwardMostMove = moveNum;
4701 startedFromSetupPosition = TRUE;
4702 fromX = fromY = toX = toY = -1;
4704 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4705 // So we parse the long-algebraic move string in stead of the SAN move
4706 int valid; char buf[MSG_SIZ], *prom;
4708 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4709 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4710 // str looks something like "Q/a1-a2"; kill the slash
4712 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4713 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4714 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4715 strcat(buf, prom); // long move lacks promo specification!
4716 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4717 if(appData.debugMode)
4718 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4719 safeStrCpy(move_str, buf, MSG_SIZ);
4721 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4722 &fromX, &fromY, &toX, &toY, &promoChar)
4723 || ParseOneMove(buf, moveNum - 1, &moveType,
4724 &fromX, &fromY, &toX, &toY, &promoChar);
4725 // end of long SAN patch
4727 (void) CoordsToAlgebraic(boards[moveNum - 1],
4728 PosFlags(moveNum - 1),
4729 fromY, fromX, toY, toX, promoChar,
4730 parseList[moveNum-1]);
4731 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4737 if(gameInfo.variant != VariantShogi)
4738 strcat(parseList[moveNum - 1], "+");
4741 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4742 strcat(parseList[moveNum - 1], "#");
4745 strcat(parseList[moveNum - 1], " ");
4746 strcat(parseList[moveNum - 1], elapsed_time);
4747 /* currentMoveString is set as a side-effect of ParseOneMove */
4748 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4749 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4750 strcat(moveList[moveNum - 1], "\n");
4752 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4753 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4754 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4755 ChessSquare old, new = boards[moveNum][k][j];
4756 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4757 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4758 if(old == new) continue;
4759 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4760 else if(new == WhiteWazir || new == BlackWazir) {
4761 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4762 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4763 else boards[moveNum][k][j] = old; // preserve type of Gold
4764 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4765 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4768 /* Move from ICS was illegal!? Punt. */
4769 if (appData.debugMode) {
4770 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4771 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4773 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4774 strcat(parseList[moveNum - 1], " ");
4775 strcat(parseList[moveNum - 1], elapsed_time);
4776 moveList[moveNum - 1][0] = NULLCHAR;
4777 fromX = fromY = toX = toY = -1;
4780 if (appData.debugMode) {
4781 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4782 setbuf(debugFP, NULL);
4786 /* Send move to chess program (BEFORE animating it). */
4787 if (appData.zippyPlay && !newGame && newMove &&
4788 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4790 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4791 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4792 if (moveList[moveNum - 1][0] == NULLCHAR) {
4793 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4795 DisplayError(str, 0);
4797 if (first.sendTime) {
4798 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4800 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4801 if (firstMove && !bookHit) {
4803 if (first.useColors) {
4804 SendToProgram(gameMode == IcsPlayingWhite ?
4806 "black\ngo\n", &first);
4808 SendToProgram("go\n", &first);
4810 first.maybeThinking = TRUE;
4813 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4814 if (moveList[moveNum - 1][0] == NULLCHAR) {
4815 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4816 DisplayError(str, 0);
4818 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4819 SendMoveToProgram(moveNum - 1, &first);
4826 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4827 /* If move comes from a remote source, animate it. If it
4828 isn't remote, it will have already been animated. */
4829 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4830 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4832 if (!pausing && appData.highlightLastMove) {
4833 SetHighlights(fromX, fromY, toX, toY);
4837 /* Start the clocks */
4838 whiteFlag = blackFlag = FALSE;
4839 appData.clockMode = !(basetime == 0 && increment == 0);
4841 ics_clock_paused = TRUE;
4843 } else if (ticking == 1) {
4844 ics_clock_paused = FALSE;
4846 if (gameMode == IcsIdle ||
4847 relation == RELATION_OBSERVING_STATIC ||
4848 relation == RELATION_EXAMINING ||
4850 DisplayBothClocks();
4854 /* Display opponents and material strengths */
4855 if (gameInfo.variant != VariantBughouse &&
4856 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4857 if (tinyLayout || smallLayout) {
4858 if(gameInfo.variant == VariantNormal)
4859 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4860 gameInfo.white, white_stren, gameInfo.black, black_stren,
4861 basetime, increment);
4863 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4864 gameInfo.white, white_stren, gameInfo.black, black_stren,
4865 basetime, increment, (int) gameInfo.variant);
4867 if(gameInfo.variant == VariantNormal)
4868 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4869 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4870 basetime, increment);
4872 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4873 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4874 basetime, increment, VariantName(gameInfo.variant));
4877 if (appData.debugMode) {
4878 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4883 /* Display the board */
4884 if (!pausing && !appData.noGUI) {
4886 if (appData.premove)
4888 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4889 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4890 ClearPremoveHighlights();
4892 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4893 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4894 DrawPosition(j, boards[currentMove]);
4896 DisplayMove(moveNum - 1);
4897 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4898 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4899 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4900 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4904 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4906 if(bookHit) { // [HGM] book: simulate book reply
4907 static char bookMove[MSG_SIZ]; // a bit generous?
4909 programStats.nodes = programStats.depth = programStats.time =
4910 programStats.score = programStats.got_only_move = 0;
4911 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4913 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4914 strcat(bookMove, bookHit);
4915 HandleMachineMove(bookMove, &first);
4924 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4925 ics_getting_history = H_REQUESTED;
4926 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4932 SendToBoth (char *msg)
4933 { // to make it easy to keep two engines in step in dual analysis
4934 SendToProgram(msg, &first);
4935 if(second.analyzing) SendToProgram(msg, &second);
4939 AnalysisPeriodicEvent (int force)
4941 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4942 && !force) || !appData.periodicUpdates)
4945 /* Send . command to Crafty to collect stats */
4948 /* Don't send another until we get a response (this makes
4949 us stop sending to old Crafty's which don't understand
4950 the "." command (sending illegal cmds resets node count & time,
4951 which looks bad)) */
4952 programStats.ok_to_send = 0;
4956 ics_update_width (int new_width)
4958 ics_printf("set width %d\n", new_width);
4962 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4966 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4967 // null move in variant where engine does not understand it (for analysis purposes)
4968 SendBoard(cps, moveNum + 1); // send position after move in stead.
4971 if (cps->useUsermove) {
4972 SendToProgram("usermove ", cps);
4976 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4977 int len = space - parseList[moveNum];
4978 memcpy(buf, parseList[moveNum], len);
4980 buf[len] = NULLCHAR;
4982 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4984 SendToProgram(buf, cps);
4986 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4987 AlphaRank(moveList[moveNum], 4);
4988 SendToProgram(moveList[moveNum], cps);
4989 AlphaRank(moveList[moveNum], 4); // and back
4991 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4992 * the engine. It would be nice to have a better way to identify castle
4994 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4995 && cps->useOOCastle) {
4996 int fromX = moveList[moveNum][0] - AAA;
4997 int fromY = moveList[moveNum][1] - ONE;
4998 int toX = moveList[moveNum][2] - AAA;
4999 int toY = moveList[moveNum][3] - ONE;
5000 if((boards[moveNum][fromY][fromX] == WhiteKing
5001 && boards[moveNum][toY][toX] == WhiteRook)
5002 || (boards[moveNum][fromY][fromX] == BlackKing
5003 && boards[moveNum][toY][toX] == BlackRook)) {
5004 if(toX > fromX) SendToProgram("O-O\n", cps);
5005 else SendToProgram("O-O-O\n", cps);
5007 else SendToProgram(moveList[moveNum], cps);
5009 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5010 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5011 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5012 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5013 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5015 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5016 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5017 SendToProgram(buf, cps);
5019 else SendToProgram(moveList[moveNum], cps);
5020 /* End of additions by Tord */
5023 /* [HGM] setting up the opening has brought engine in force mode! */
5024 /* Send 'go' if we are in a mode where machine should play. */
5025 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5026 (gameMode == TwoMachinesPlay ||
5028 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5030 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5031 SendToProgram("go\n", cps);
5032 if (appData.debugMode) {
5033 fprintf(debugFP, "(extra)\n");
5036 setboardSpoiledMachineBlack = 0;
5040 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5042 char user_move[MSG_SIZ];
5045 if(gameInfo.variant == VariantSChess && promoChar) {
5046 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5047 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5048 } else suffix[0] = NULLCHAR;
5052 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5053 (int)moveType, fromX, fromY, toX, toY);
5054 DisplayError(user_move + strlen("say "), 0);
5056 case WhiteKingSideCastle:
5057 case BlackKingSideCastle:
5058 case WhiteQueenSideCastleWild:
5059 case BlackQueenSideCastleWild:
5061 case WhiteHSideCastleFR:
5062 case BlackHSideCastleFR:
5064 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5066 case WhiteQueenSideCastle:
5067 case BlackQueenSideCastle:
5068 case WhiteKingSideCastleWild:
5069 case BlackKingSideCastleWild:
5071 case WhiteASideCastleFR:
5072 case BlackASideCastleFR:
5074 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5076 case WhiteNonPromotion:
5077 case BlackNonPromotion:
5078 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5080 case WhitePromotion:
5081 case BlackPromotion:
5082 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5083 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5084 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5085 PieceToChar(WhiteFerz));
5086 else if(gameInfo.variant == VariantGreat)
5087 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5088 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5089 PieceToChar(WhiteMan));
5091 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5092 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5098 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5099 ToUpper(PieceToChar((ChessSquare) fromX)),
5100 AAA + toX, ONE + toY);
5102 case IllegalMove: /* could be a variant we don't quite understand */
5103 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5105 case WhiteCapturesEnPassant:
5106 case BlackCapturesEnPassant:
5107 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5108 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5111 SendToICS(user_move);
5112 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5113 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5118 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5119 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5120 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5121 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5122 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5125 if(gameMode != IcsExamining) { // is this ever not the case?
5126 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5128 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5129 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5130 } else { // on FICS we must first go to general examine mode
5131 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5133 if(gameInfo.variant != VariantNormal) {
5134 // try figure out wild number, as xboard names are not always valid on ICS
5135 for(i=1; i<=36; i++) {
5136 snprintf(buf, MSG_SIZ, "wild/%d", i);
5137 if(StringToVariant(buf) == gameInfo.variant) break;
5139 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5140 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5141 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5142 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5143 SendToICS(ics_prefix);
5145 if(startedFromSetupPosition || backwardMostMove != 0) {
5146 fen = PositionToFEN(backwardMostMove, NULL);
5147 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5148 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5150 } else { // FICS: everything has to set by separate bsetup commands
5151 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5152 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5154 if(!WhiteOnMove(backwardMostMove)) {
5155 SendToICS("bsetup tomove black\n");
5157 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5158 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5160 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5161 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5163 i = boards[backwardMostMove][EP_STATUS];
5164 if(i >= 0) { // set e.p.
5165 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5171 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5172 SendToICS("bsetup done\n"); // switch to normal examining.
5174 for(i = backwardMostMove; i<last; i++) {
5176 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5177 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5178 int len = strlen(moveList[i]);
5179 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5180 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5184 SendToICS(ics_prefix);
5185 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5189 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5191 if (rf == DROP_RANK) {
5192 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5193 sprintf(move, "%c@%c%c\n",
5194 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5196 if (promoChar == 'x' || promoChar == NULLCHAR) {
5197 sprintf(move, "%c%c%c%c\n",
5198 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5200 sprintf(move, "%c%c%c%c%c\n",
5201 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5207 ProcessICSInitScript (FILE *f)
5211 while (fgets(buf, MSG_SIZ, f)) {
5212 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5219 static int lastX, lastY, selectFlag, dragging;
5224 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5225 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5226 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5227 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5228 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5229 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5232 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5233 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5234 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5235 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5236 if(!step) step = -1;
5237 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5238 appData.testLegality && (promoSweep == king ||
5239 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5241 int victim = boards[currentMove][toY][toX];
5242 boards[currentMove][toY][toX] = promoSweep;
5243 DrawPosition(FALSE, boards[currentMove]);
5244 boards[currentMove][toY][toX] = victim;
5246 ChangeDragPiece(promoSweep);
5250 PromoScroll (int x, int y)
5254 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5255 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5256 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5257 if(!step) return FALSE;
5258 lastX = x; lastY = y;
5259 if((promoSweep < BlackPawn) == flipView) step = -step;
5260 if(step > 0) selectFlag = 1;
5261 if(!selectFlag) Sweep(step);
5266 NextPiece (int step)
5268 ChessSquare piece = boards[currentMove][toY][toX];
5271 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5272 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5273 if(!step) step = -1;
5274 } while(PieceToChar(pieceSweep) == '.');
5275 boards[currentMove][toY][toX] = pieceSweep;
5276 DrawPosition(FALSE, boards[currentMove]);
5277 boards[currentMove][toY][toX] = piece;
5279 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5281 AlphaRank (char *move, int n)
5283 // char *p = move, c; int x, y;
5285 if (appData.debugMode) {
5286 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5290 move[2]>='0' && move[2]<='9' &&
5291 move[3]>='a' && move[3]<='x' ) {
5293 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5294 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5296 if(move[0]>='0' && move[0]<='9' &&
5297 move[1]>='a' && move[1]<='x' &&
5298 move[2]>='0' && move[2]<='9' &&
5299 move[3]>='a' && move[3]<='x' ) {
5300 /* input move, Shogi -> normal */
5301 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5302 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5303 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5304 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5307 move[3]>='0' && move[3]<='9' &&
5308 move[2]>='a' && move[2]<='x' ) {
5310 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5311 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5314 move[0]>='a' && move[0]<='x' &&
5315 move[3]>='0' && move[3]<='9' &&
5316 move[2]>='a' && move[2]<='x' ) {
5317 /* output move, normal -> Shogi */
5318 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5319 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5320 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5321 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5322 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5324 if (appData.debugMode) {
5325 fprintf(debugFP, " out = '%s'\n", move);
5329 char yy_textstr[8000];
5331 /* Parser for moves from gnuchess, ICS, or user typein box */
5333 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5335 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5337 switch (*moveType) {
5338 case WhitePromotion:
5339 case BlackPromotion:
5340 case WhiteNonPromotion:
5341 case BlackNonPromotion:
5343 case WhiteCapturesEnPassant:
5344 case BlackCapturesEnPassant:
5345 case WhiteKingSideCastle:
5346 case WhiteQueenSideCastle:
5347 case BlackKingSideCastle:
5348 case BlackQueenSideCastle:
5349 case WhiteKingSideCastleWild:
5350 case WhiteQueenSideCastleWild:
5351 case BlackKingSideCastleWild:
5352 case BlackQueenSideCastleWild:
5353 /* Code added by Tord: */
5354 case WhiteHSideCastleFR:
5355 case WhiteASideCastleFR:
5356 case BlackHSideCastleFR:
5357 case BlackASideCastleFR:
5358 /* End of code added by Tord */
5359 case IllegalMove: /* bug or odd chess variant */
5360 *fromX = currentMoveString[0] - AAA;
5361 *fromY = currentMoveString[1] - ONE;
5362 *toX = currentMoveString[2] - AAA;
5363 *toY = currentMoveString[3] - ONE;
5364 *promoChar = currentMoveString[4];
5365 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5366 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5367 if (appData.debugMode) {
5368 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5370 *fromX = *fromY = *toX = *toY = 0;
5373 if (appData.testLegality) {
5374 return (*moveType != IllegalMove);
5376 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5377 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5382 *fromX = *moveType == WhiteDrop ?
5383 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5384 (int) CharToPiece(ToLower(currentMoveString[0]));
5386 *toX = currentMoveString[2] - AAA;
5387 *toY = currentMoveString[3] - ONE;
5388 *promoChar = NULLCHAR;
5392 case ImpossibleMove:
5402 if (appData.debugMode) {
5403 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5406 *fromX = *fromY = *toX = *toY = 0;
5407 *promoChar = NULLCHAR;
5412 Boolean pushed = FALSE;
5413 char *lastParseAttempt;
5416 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5417 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5418 int fromX, fromY, toX, toY; char promoChar;
5423 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5424 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5425 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5428 endPV = forwardMostMove;
5430 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5431 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5432 lastParseAttempt = pv;
5433 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5434 if(!valid && nr == 0 &&
5435 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5436 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5437 // Hande case where played move is different from leading PV move
5438 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5439 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5440 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5441 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5442 endPV += 2; // if position different, keep this
5443 moveList[endPV-1][0] = fromX + AAA;
5444 moveList[endPV-1][1] = fromY + ONE;
5445 moveList[endPV-1][2] = toX + AAA;
5446 moveList[endPV-1][3] = toY + ONE;
5447 parseList[endPV-1][0] = NULLCHAR;
5448 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5451 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5452 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5453 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5454 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5455 valid++; // allow comments in PV
5459 if(endPV+1 > framePtr) break; // no space, truncate
5462 CopyBoard(boards[endPV], boards[endPV-1]);
5463 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5464 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5465 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5466 CoordsToAlgebraic(boards[endPV - 1],
5467 PosFlags(endPV - 1),
5468 fromY, fromX, toY, toX, promoChar,
5469 parseList[endPV - 1]);
5471 if(atEnd == 2) return; // used hidden, for PV conversion
5472 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5473 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5474 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5475 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5476 DrawPosition(TRUE, boards[currentMove]);
5480 MultiPV (ChessProgramState *cps)
5481 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5483 for(i=0; i<cps->nrOptions; i++)
5484 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5490 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5492 int startPV, multi, lineStart, origIndex = index;
5493 char *p, buf2[MSG_SIZ];
5494 ChessProgramState *cps = (pane ? &second : &first);
5496 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5497 lastX = x; lastY = y;
5498 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5499 lineStart = startPV = index;
5500 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5501 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5503 do{ while(buf[index] && buf[index] != '\n') index++;
5504 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5506 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5507 int n = cps->option[multi].value;
5508 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5509 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5510 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5511 cps->option[multi].value = n;
5514 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5515 ExcludeClick(origIndex - lineStart);
5518 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5519 *start = startPV; *end = index-1;
5526 static char buf[10*MSG_SIZ];
5527 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5529 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5530 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5531 for(i = forwardMostMove; i<endPV; i++){
5532 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5533 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5536 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5537 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5538 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5544 LoadPV (int x, int y)
5545 { // called on right mouse click to load PV
5546 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5547 lastX = x; lastY = y;
5548 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5555 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5556 if(endPV < 0) return;
5557 if(appData.autoCopyPV) CopyFENToClipboard();
5559 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5560 Boolean saveAnimate = appData.animate;
5562 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5563 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5564 } else storedGames--; // abandon shelved tail of original game
5567 forwardMostMove = currentMove;
5568 currentMove = oldFMM;
5569 appData.animate = FALSE;
5570 ToNrEvent(forwardMostMove);
5571 appData.animate = saveAnimate;
5573 currentMove = forwardMostMove;
5574 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5575 ClearPremoveHighlights();
5576 DrawPosition(TRUE, boards[currentMove]);
5580 MovePV (int x, int y, int h)
5581 { // step through PV based on mouse coordinates (called on mouse move)
5582 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5584 // we must somehow check if right button is still down (might be released off board!)
5585 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5586 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5587 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5589 lastX = x; lastY = y;
5591 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5592 if(endPV < 0) return;
5593 if(y < margin) step = 1; else
5594 if(y > h - margin) step = -1;
5595 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5596 currentMove += step;
5597 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5598 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5599 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5600 DrawPosition(FALSE, boards[currentMove]);
5604 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5605 // All positions will have equal probability, but the current method will not provide a unique
5606 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5612 int piecesLeft[(int)BlackPawn];
5613 int seed, nrOfShuffles;
5616 GetPositionNumber ()
5617 { // sets global variable seed
5620 seed = appData.defaultFrcPosition;
5621 if(seed < 0) { // randomize based on time for negative FRC position numbers
5622 for(i=0; i<50; i++) seed += random();
5623 seed = random() ^ random() >> 8 ^ random() << 8;
5624 if(seed<0) seed = -seed;
5629 put (Board board, int pieceType, int rank, int n, int shade)
5630 // put the piece on the (n-1)-th empty squares of the given shade
5634 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5635 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5636 board[rank][i] = (ChessSquare) pieceType;
5637 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5639 piecesLeft[pieceType]--;
5648 AddOnePiece (Board board, int pieceType, int rank, int shade)
5649 // calculate where the next piece goes, (any empty square), and put it there
5653 i = seed % squaresLeft[shade];
5654 nrOfShuffles *= squaresLeft[shade];
5655 seed /= squaresLeft[shade];
5656 put(board, pieceType, rank, i, shade);
5660 AddTwoPieces (Board board, int pieceType, int rank)
5661 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5663 int i, n=squaresLeft[ANY], j=n-1, k;
5665 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5666 i = seed % k; // pick one
5669 while(i >= j) i -= j--;
5670 j = n - 1 - j; i += j;
5671 put(board, pieceType, rank, j, ANY);
5672 put(board, pieceType, rank, i, ANY);
5676 SetUpShuffle (Board board, int number)
5680 GetPositionNumber(); nrOfShuffles = 1;
5682 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5683 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5684 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5686 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5688 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5689 p = (int) board[0][i];
5690 if(p < (int) BlackPawn) piecesLeft[p] ++;
5691 board[0][i] = EmptySquare;
5694 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5695 // shuffles restricted to allow normal castling put KRR first
5696 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5697 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5698 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5699 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5700 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5701 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5702 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5703 put(board, WhiteRook, 0, 0, ANY);
5704 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5707 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5708 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5709 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5710 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5711 while(piecesLeft[p] >= 2) {
5712 AddOnePiece(board, p, 0, LITE);
5713 AddOnePiece(board, p, 0, DARK);
5715 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5718 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5719 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5720 // but we leave King and Rooks for last, to possibly obey FRC restriction
5721 if(p == (int)WhiteRook) continue;
5722 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5723 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5726 // now everything is placed, except perhaps King (Unicorn) and Rooks
5728 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5729 // Last King gets castling rights
5730 while(piecesLeft[(int)WhiteUnicorn]) {
5731 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5732 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5735 while(piecesLeft[(int)WhiteKing]) {
5736 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5737 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5742 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5743 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5746 // Only Rooks can be left; simply place them all
5747 while(piecesLeft[(int)WhiteRook]) {
5748 i = put(board, WhiteRook, 0, 0, ANY);
5749 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5752 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5754 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5757 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5758 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5761 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5765 SetCharTable (char *table, const char * map)
5766 /* [HGM] moved here from winboard.c because of its general usefulness */
5767 /* Basically a safe strcpy that uses the last character as King */
5769 int result = FALSE; int NrPieces;
5771 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5772 && NrPieces >= 12 && !(NrPieces&1)) {
5773 int i; /* [HGM] Accept even length from 12 to 34 */
5775 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5776 for( i=0; i<NrPieces/2-1; i++ ) {
5778 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5780 table[(int) WhiteKing] = map[NrPieces/2-1];
5781 table[(int) BlackKing] = map[NrPieces-1];
5790 Prelude (Board board)
5791 { // [HGM] superchess: random selection of exo-pieces
5792 int i, j, k; ChessSquare p;
5793 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5795 GetPositionNumber(); // use FRC position number
5797 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5798 SetCharTable(pieceToChar, appData.pieceToCharTable);
5799 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5800 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5803 j = seed%4; seed /= 4;
5804 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5805 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5806 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5807 j = seed%3 + (seed%3 >= j); seed /= 3;
5808 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5809 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5810 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5811 j = seed%3; seed /= 3;
5812 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5813 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5814 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5815 j = seed%2 + (seed%2 >= j); seed /= 2;
5816 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5817 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5818 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5819 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5820 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5821 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5822 put(board, exoPieces[0], 0, 0, ANY);
5823 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5827 InitPosition (int redraw)
5829 ChessSquare (* pieces)[BOARD_FILES];
5830 int i, j, pawnRow, overrule,
5831 oldx = gameInfo.boardWidth,
5832 oldy = gameInfo.boardHeight,
5833 oldh = gameInfo.holdingsWidth;
5836 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5838 /* [AS] Initialize pv info list [HGM] and game status */
5840 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5841 pvInfoList[i].depth = 0;
5842 boards[i][EP_STATUS] = EP_NONE;
5843 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5846 initialRulePlies = 0; /* 50-move counter start */
5848 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5849 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5853 /* [HGM] logic here is completely changed. In stead of full positions */
5854 /* the initialized data only consist of the two backranks. The switch */
5855 /* selects which one we will use, which is than copied to the Board */
5856 /* initialPosition, which for the rest is initialized by Pawns and */
5857 /* empty squares. This initial position is then copied to boards[0], */
5858 /* possibly after shuffling, so that it remains available. */
5860 gameInfo.holdingsWidth = 0; /* default board sizes */
5861 gameInfo.boardWidth = 8;
5862 gameInfo.boardHeight = 8;
5863 gameInfo.holdingsSize = 0;
5864 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5865 for(i=0; i<BOARD_FILES-2; i++)
5866 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5867 initialPosition[EP_STATUS] = EP_NONE;
5868 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5869 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5870 SetCharTable(pieceNickName, appData.pieceNickNames);
5871 else SetCharTable(pieceNickName, "............");
5874 switch (gameInfo.variant) {
5875 case VariantFischeRandom:
5876 shuffleOpenings = TRUE;
5879 case VariantShatranj:
5880 pieces = ShatranjArray;
5881 nrCastlingRights = 0;
5882 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5885 pieces = makrukArray;
5886 nrCastlingRights = 0;
5887 startedFromSetupPosition = TRUE;
5888 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5890 case VariantTwoKings:
5891 pieces = twoKingsArray;
5894 pieces = GrandArray;
5895 nrCastlingRights = 0;
5896 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5897 gameInfo.boardWidth = 10;
5898 gameInfo.boardHeight = 10;
5899 gameInfo.holdingsSize = 7;
5901 case VariantCapaRandom:
5902 shuffleOpenings = TRUE;
5903 case VariantCapablanca:
5904 pieces = CapablancaArray;
5905 gameInfo.boardWidth = 10;
5906 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5909 pieces = GothicArray;
5910 gameInfo.boardWidth = 10;
5911 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5914 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5915 gameInfo.holdingsSize = 7;
5916 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5919 pieces = JanusArray;
5920 gameInfo.boardWidth = 10;
5921 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5922 nrCastlingRights = 6;
5923 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5924 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5925 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5926 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5927 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5928 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5931 pieces = FalconArray;
5932 gameInfo.boardWidth = 10;
5933 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5935 case VariantXiangqi:
5936 pieces = XiangqiArray;
5937 gameInfo.boardWidth = 9;
5938 gameInfo.boardHeight = 10;
5939 nrCastlingRights = 0;
5940 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5943 pieces = ShogiArray;
5944 gameInfo.boardWidth = 9;
5945 gameInfo.boardHeight = 9;
5946 gameInfo.holdingsSize = 7;
5947 nrCastlingRights = 0;
5948 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5950 case VariantCourier:
5951 pieces = CourierArray;
5952 gameInfo.boardWidth = 12;
5953 nrCastlingRights = 0;
5954 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5956 case VariantKnightmate:
5957 pieces = KnightmateArray;
5958 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5960 case VariantSpartan:
5961 pieces = SpartanArray;
5962 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5965 pieces = fairyArray;
5966 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5969 pieces = GreatArray;
5970 gameInfo.boardWidth = 10;
5971 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5972 gameInfo.holdingsSize = 8;
5976 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5977 gameInfo.holdingsSize = 8;
5978 startedFromSetupPosition = TRUE;
5980 case VariantCrazyhouse:
5981 case VariantBughouse:
5983 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5984 gameInfo.holdingsSize = 5;
5986 case VariantWildCastle:
5988 /* !!?shuffle with kings guaranteed to be on d or e file */
5989 shuffleOpenings = 1;
5991 case VariantNoCastle:
5993 nrCastlingRights = 0;
5994 /* !!?unconstrained back-rank shuffle */
5995 shuffleOpenings = 1;
6000 if(appData.NrFiles >= 0) {
6001 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6002 gameInfo.boardWidth = appData.NrFiles;
6004 if(appData.NrRanks >= 0) {
6005 gameInfo.boardHeight = appData.NrRanks;
6007 if(appData.holdingsSize >= 0) {
6008 i = appData.holdingsSize;
6009 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6010 gameInfo.holdingsSize = i;
6012 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6013 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6014 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6016 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6017 if(pawnRow < 1) pawnRow = 1;
6018 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6020 /* User pieceToChar list overrules defaults */
6021 if(appData.pieceToCharTable != NULL)
6022 SetCharTable(pieceToChar, appData.pieceToCharTable);
6024 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6026 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6027 s = (ChessSquare) 0; /* account holding counts in guard band */
6028 for( i=0; i<BOARD_HEIGHT; i++ )
6029 initialPosition[i][j] = s;
6031 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6032 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6033 initialPosition[pawnRow][j] = WhitePawn;
6034 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6035 if(gameInfo.variant == VariantXiangqi) {
6037 initialPosition[pawnRow][j] =
6038 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6039 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6040 initialPosition[2][j] = WhiteCannon;
6041 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6045 if(gameInfo.variant == VariantGrand) {
6046 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6047 initialPosition[0][j] = WhiteRook;
6048 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6051 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6053 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6056 initialPosition[1][j] = WhiteBishop;
6057 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6059 initialPosition[1][j] = WhiteRook;
6060 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6063 if( nrCastlingRights == -1) {
6064 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6065 /* This sets default castling rights from none to normal corners */
6066 /* Variants with other castling rights must set them themselves above */
6067 nrCastlingRights = 6;
6069 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6070 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6071 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6072 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6073 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6074 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6077 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6078 if(gameInfo.variant == VariantGreat) { // promotion commoners
6079 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6080 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6081 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6082 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6084 if( gameInfo.variant == VariantSChess ) {
6085 initialPosition[1][0] = BlackMarshall;
6086 initialPosition[2][0] = BlackAngel;
6087 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6088 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6089 initialPosition[1][1] = initialPosition[2][1] =
6090 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6092 if (appData.debugMode) {
6093 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6095 if(shuffleOpenings) {
6096 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6097 startedFromSetupPosition = TRUE;
6099 if(startedFromPositionFile) {
6100 /* [HGM] loadPos: use PositionFile for every new game */
6101 CopyBoard(initialPosition, filePosition);
6102 for(i=0; i<nrCastlingRights; i++)
6103 initialRights[i] = filePosition[CASTLING][i];
6104 startedFromSetupPosition = TRUE;
6107 CopyBoard(boards[0], initialPosition);
6109 if(oldx != gameInfo.boardWidth ||
6110 oldy != gameInfo.boardHeight ||
6111 oldv != gameInfo.variant ||
6112 oldh != gameInfo.holdingsWidth
6114 InitDrawingSizes(-2 ,0);
6116 oldv = gameInfo.variant;
6118 DrawPosition(TRUE, boards[currentMove]);
6122 SendBoard (ChessProgramState *cps, int moveNum)
6124 char message[MSG_SIZ];
6126 if (cps->useSetboard) {
6127 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6128 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6129 SendToProgram(message, cps);
6134 int i, j, left=0, right=BOARD_WIDTH;
6135 /* Kludge to set black to move, avoiding the troublesome and now
6136 * deprecated "black" command.
6138 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6139 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6141 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6143 SendToProgram("edit\n", cps);
6144 SendToProgram("#\n", cps);
6145 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6146 bp = &boards[moveNum][i][left];
6147 for (j = left; j < right; j++, bp++) {
6148 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6149 if ((int) *bp < (int) BlackPawn) {
6150 if(j == BOARD_RGHT+1)
6151 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6152 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6153 if(message[0] == '+' || message[0] == '~') {
6154 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6155 PieceToChar((ChessSquare)(DEMOTED *bp)),
6158 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6159 message[1] = BOARD_RGHT - 1 - j + '1';
6160 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6162 SendToProgram(message, cps);
6167 SendToProgram("c\n", cps);
6168 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6169 bp = &boards[moveNum][i][left];
6170 for (j = left; j < right; j++, bp++) {
6171 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6172 if (((int) *bp != (int) EmptySquare)
6173 && ((int) *bp >= (int) BlackPawn)) {
6174 if(j == BOARD_LEFT-2)
6175 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6176 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6178 if(message[0] == '+' || message[0] == '~') {
6179 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6180 PieceToChar((ChessSquare)(DEMOTED *bp)),
6183 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6184 message[1] = BOARD_RGHT - 1 - j + '1';
6185 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6187 SendToProgram(message, cps);
6192 SendToProgram(".\n", cps);
6194 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6197 char exclusionHeader[MSG_SIZ];
6198 int exCnt, excludePtr;
6199 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6200 static Exclusion excluTab[200];
6201 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6207 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6208 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6214 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6215 excludePtr = 24; exCnt = 0;
6220 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6221 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6222 char buf[2*MOVE_LEN], *p;
6223 Exclusion *e = excluTab;
6225 for(i=0; i<exCnt; i++)
6226 if(e[i].ff == fromX && e[i].fr == fromY &&
6227 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6228 if(i == exCnt) { // was not in exclude list; add it
6229 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6230 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6231 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6234 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6235 excludePtr++; e[i].mark = excludePtr++;
6236 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6239 exclusionHeader[e[i].mark] = state;
6243 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6244 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6248 if((signed char)promoChar == -1) { // kludge to indicate best move
6249 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6250 return 1; // if unparsable, abort
6252 // update exclusion map (resolving toggle by consulting existing state)
6253 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6255 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6256 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6257 excludeMap[k] |= 1<<j;
6258 else excludeMap[k] &= ~(1<<j);
6260 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6262 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6263 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6265 return (state == '+');
6269 ExcludeClick (int index)
6272 Exclusion *e = excluTab;
6273 if(index < 25) { // none, best or tail clicked
6274 if(index < 13) { // none: include all
6275 WriteMap(0); // clear map
6276 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6277 SendToBoth("include all\n"); // and inform engine
6278 } else if(index > 18) { // tail
6279 if(exclusionHeader[19] == '-') { // tail was excluded
6280 SendToBoth("include all\n");
6281 WriteMap(0); // clear map completely
6282 // now re-exclude selected moves
6283 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6284 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6285 } else { // tail was included or in mixed state
6286 SendToBoth("exclude all\n");
6287 WriteMap(0xFF); // fill map completely
6288 // now re-include selected moves
6289 j = 0; // count them
6290 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6291 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6292 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6295 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6298 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6299 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6300 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6307 DefaultPromoChoice (int white)
6310 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6311 result = WhiteFerz; // no choice
6312 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6313 result= WhiteKing; // in Suicide Q is the last thing we want
6314 else if(gameInfo.variant == VariantSpartan)
6315 result = white ? WhiteQueen : WhiteAngel;
6316 else result = WhiteQueen;
6317 if(!white) result = WHITE_TO_BLACK result;
6321 static int autoQueen; // [HGM] oneclick
6324 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6326 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6327 /* [HGM] add Shogi promotions */
6328 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6333 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6334 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6336 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6337 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6340 piece = boards[currentMove][fromY][fromX];
6341 if(gameInfo.variant == VariantShogi) {
6342 promotionZoneSize = BOARD_HEIGHT/3;
6343 highestPromotingPiece = (int)WhiteFerz;
6344 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6345 promotionZoneSize = 3;
6348 // Treat Lance as Pawn when it is not representing Amazon
6349 if(gameInfo.variant != VariantSuper) {
6350 if(piece == WhiteLance) piece = WhitePawn; else
6351 if(piece == BlackLance) piece = BlackPawn;
6354 // next weed out all moves that do not touch the promotion zone at all
6355 if((int)piece >= BlackPawn) {
6356 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6358 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6360 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6361 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6364 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6366 // weed out mandatory Shogi promotions
6367 if(gameInfo.variant == VariantShogi) {
6368 if(piece >= BlackPawn) {
6369 if(toY == 0 && piece == BlackPawn ||
6370 toY == 0 && piece == BlackQueen ||
6371 toY <= 1 && piece == BlackKnight) {
6376 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6377 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6378 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6385 // weed out obviously illegal Pawn moves
6386 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6387 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6388 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6389 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6390 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6391 // note we are not allowed to test for valid (non-)capture, due to premove
6394 // we either have a choice what to promote to, or (in Shogi) whether to promote
6395 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6396 *promoChoice = PieceToChar(BlackFerz); // no choice
6399 // no sense asking what we must promote to if it is going to explode...
6400 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6401 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6404 // give caller the default choice even if we will not make it
6405 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6406 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6407 if( sweepSelect && gameInfo.variant != VariantGreat
6408 && gameInfo.variant != VariantGrand
6409 && gameInfo.variant != VariantSuper) return FALSE;
6410 if(autoQueen) return FALSE; // predetermined
6412 // suppress promotion popup on illegal moves that are not premoves
6413 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6414 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6415 if(appData.testLegality && !premove) {
6416 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6417 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6418 if(moveType != WhitePromotion && moveType != BlackPromotion)
6426 InPalace (int row, int column)
6427 { /* [HGM] for Xiangqi */
6428 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6429 column < (BOARD_WIDTH + 4)/2 &&
6430 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6435 PieceForSquare (int x, int y)
6437 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6440 return boards[currentMove][y][x];
6444 OKToStartUserMove (int x, int y)
6446 ChessSquare from_piece;
6449 if (matchMode) return FALSE;
6450 if (gameMode == EditPosition) return TRUE;
6452 if (x >= 0 && y >= 0)
6453 from_piece = boards[currentMove][y][x];
6455 from_piece = EmptySquare;
6457 if (from_piece == EmptySquare) return FALSE;
6459 white_piece = (int)from_piece >= (int)WhitePawn &&
6460 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6464 case TwoMachinesPlay:
6472 case MachinePlaysWhite:
6473 case IcsPlayingBlack:
6474 if (appData.zippyPlay) return FALSE;
6476 DisplayMoveError(_("You are playing Black"));
6481 case MachinePlaysBlack:
6482 case IcsPlayingWhite:
6483 if (appData.zippyPlay) return FALSE;
6485 DisplayMoveError(_("You are playing White"));
6490 case PlayFromGameFile:
6491 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6493 if (!white_piece && WhiteOnMove(currentMove)) {
6494 DisplayMoveError(_("It is White's turn"));
6497 if (white_piece && !WhiteOnMove(currentMove)) {
6498 DisplayMoveError(_("It is Black's turn"));
6501 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6502 /* Editing correspondence game history */
6503 /* Could disallow this or prompt for confirmation */
6508 case BeginningOfGame:
6509 if (appData.icsActive) return FALSE;
6510 if (!appData.noChessProgram) {
6512 DisplayMoveError(_("You are playing White"));
6519 if (!white_piece && WhiteOnMove(currentMove)) {
6520 DisplayMoveError(_("It is White's turn"));
6523 if (white_piece && !WhiteOnMove(currentMove)) {
6524 DisplayMoveError(_("It is Black's turn"));
6533 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6534 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6535 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6536 && gameMode != AnalyzeFile && gameMode != Training) {
6537 DisplayMoveError(_("Displayed position is not current"));
6544 OnlyMove (int *x, int *y, Boolean captures)
6546 DisambiguateClosure cl;
6547 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6549 case MachinePlaysBlack:
6550 case IcsPlayingWhite:
6551 case BeginningOfGame:
6552 if(!WhiteOnMove(currentMove)) return FALSE;
6554 case MachinePlaysWhite:
6555 case IcsPlayingBlack:
6556 if(WhiteOnMove(currentMove)) return FALSE;
6563 cl.pieceIn = EmptySquare;
6568 cl.promoCharIn = NULLCHAR;
6569 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6570 if( cl.kind == NormalMove ||
6571 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6572 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6573 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6580 if(cl.kind != ImpossibleMove) return FALSE;
6581 cl.pieceIn = EmptySquare;
6586 cl.promoCharIn = NULLCHAR;
6587 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6588 if( cl.kind == NormalMove ||
6589 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6590 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6591 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6596 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6602 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6603 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6604 int lastLoadGameUseList = FALSE;
6605 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6606 ChessMove lastLoadGameStart = EndOfFile;
6610 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6614 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6616 /* Check if the user is playing in turn. This is complicated because we
6617 let the user "pick up" a piece before it is his turn. So the piece he
6618 tried to pick up may have been captured by the time he puts it down!
6619 Therefore we use the color the user is supposed to be playing in this
6620 test, not the color of the piece that is currently on the starting
6621 square---except in EditGame mode, where the user is playing both
6622 sides; fortunately there the capture race can't happen. (It can
6623 now happen in IcsExamining mode, but that's just too bad. The user
6624 will get a somewhat confusing message in that case.)
6629 case TwoMachinesPlay:
6633 /* We switched into a game mode where moves are not accepted,
6634 perhaps while the mouse button was down. */
6637 case MachinePlaysWhite:
6638 /* User is moving for Black */
6639 if (WhiteOnMove(currentMove)) {
6640 DisplayMoveError(_("It is White's turn"));
6645 case MachinePlaysBlack:
6646 /* User is moving for White */
6647 if (!WhiteOnMove(currentMove)) {
6648 DisplayMoveError(_("It is Black's turn"));
6653 case PlayFromGameFile:
6654 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6657 case BeginningOfGame:
6660 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6661 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6662 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6663 /* User is moving for Black */
6664 if (WhiteOnMove(currentMove)) {
6665 DisplayMoveError(_("It is White's turn"));
6669 /* User is moving for White */
6670 if (!WhiteOnMove(currentMove)) {
6671 DisplayMoveError(_("It is Black's turn"));
6677 case IcsPlayingBlack:
6678 /* User is moving for Black */
6679 if (WhiteOnMove(currentMove)) {
6680 if (!appData.premove) {
6681 DisplayMoveError(_("It is White's turn"));
6682 } else if (toX >= 0 && toY >= 0) {
6685 premoveFromX = fromX;
6686 premoveFromY = fromY;
6687 premovePromoChar = promoChar;
6689 if (appData.debugMode)
6690 fprintf(debugFP, "Got premove: fromX %d,"
6691 "fromY %d, toX %d, toY %d\n",
6692 fromX, fromY, toX, toY);
6698 case IcsPlayingWhite:
6699 /* User is moving for White */
6700 if (!WhiteOnMove(currentMove)) {
6701 if (!appData.premove) {
6702 DisplayMoveError(_("It is Black's turn"));
6703 } else if (toX >= 0 && toY >= 0) {
6706 premoveFromX = fromX;
6707 premoveFromY = fromY;
6708 premovePromoChar = promoChar;
6710 if (appData.debugMode)
6711 fprintf(debugFP, "Got premove: fromX %d,"
6712 "fromY %d, toX %d, toY %d\n",
6713 fromX, fromY, toX, toY);
6723 /* EditPosition, empty square, or different color piece;
6724 click-click move is possible */
6725 if (toX == -2 || toY == -2) {
6726 boards[0][fromY][fromX] = EmptySquare;
6727 DrawPosition(FALSE, boards[currentMove]);
6729 } else if (toX >= 0 && toY >= 0) {
6730 boards[0][toY][toX] = boards[0][fromY][fromX];
6731 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6732 if(boards[0][fromY][0] != EmptySquare) {
6733 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6734 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6737 if(fromX == BOARD_RGHT+1) {
6738 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6739 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6740 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6743 boards[0][fromY][fromX] = gatingPiece;
6744 DrawPosition(FALSE, boards[currentMove]);
6750 if(toX < 0 || toY < 0) return;
6751 pup = boards[currentMove][toY][toX];
6753 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6754 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6755 if( pup != EmptySquare ) return;
6756 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6757 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6758 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6759 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6760 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6761 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6762 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6766 /* [HGM] always test for legality, to get promotion info */
6767 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6768 fromY, fromX, toY, toX, promoChar);
6770 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6772 /* [HGM] but possibly ignore an IllegalMove result */
6773 if (appData.testLegality) {
6774 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6775 DisplayMoveError(_("Illegal move"));
6780 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6781 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6782 ClearPremoveHighlights(); // was included
6783 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6787 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6790 /* Common tail of UserMoveEvent and DropMenuEvent */
6792 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6796 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6797 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6798 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6799 if(WhiteOnMove(currentMove)) {
6800 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6802 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6806 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6807 move type in caller when we know the move is a legal promotion */
6808 if(moveType == NormalMove && promoChar)
6809 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6811 /* [HGM] <popupFix> The following if has been moved here from
6812 UserMoveEvent(). Because it seemed to belong here (why not allow
6813 piece drops in training games?), and because it can only be
6814 performed after it is known to what we promote. */
6815 if (gameMode == Training) {
6816 /* compare the move played on the board to the next move in the
6817 * game. If they match, display the move and the opponent's response.
6818 * If they don't match, display an error message.
6822 CopyBoard(testBoard, boards[currentMove]);
6823 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6825 if (CompareBoards(testBoard, boards[currentMove+1])) {
6826 ForwardInner(currentMove+1);
6828 /* Autoplay the opponent's response.
6829 * if appData.animate was TRUE when Training mode was entered,
6830 * the response will be animated.
6832 saveAnimate = appData.animate;
6833 appData.animate = animateTraining;
6834 ForwardInner(currentMove+1);
6835 appData.animate = saveAnimate;
6837 /* check for the end of the game */
6838 if (currentMove >= forwardMostMove) {
6839 gameMode = PlayFromGameFile;
6841 SetTrainingModeOff();
6842 DisplayInformation(_("End of game"));
6845 DisplayError(_("Incorrect move"), 0);
6850 /* Ok, now we know that the move is good, so we can kill
6851 the previous line in Analysis Mode */
6852 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6853 && currentMove < forwardMostMove) {
6854 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6855 else forwardMostMove = currentMove;
6860 /* If we need the chess program but it's dead, restart it */
6861 ResurrectChessProgram();
6863 /* A user move restarts a paused game*/
6867 thinkOutput[0] = NULLCHAR;
6869 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6871 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6872 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6876 if (gameMode == BeginningOfGame) {
6877 if (appData.noChessProgram) {
6878 gameMode = EditGame;
6882 gameMode = MachinePlaysBlack;
6885 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6887 if (first.sendName) {
6888 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6889 SendToProgram(buf, &first);
6896 /* Relay move to ICS or chess engine */
6897 if (appData.icsActive) {
6898 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6899 gameMode == IcsExamining) {
6900 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6901 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6903 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6905 // also send plain move, in case ICS does not understand atomic claims
6906 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6910 if (first.sendTime && (gameMode == BeginningOfGame ||
6911 gameMode == MachinePlaysWhite ||
6912 gameMode == MachinePlaysBlack)) {
6913 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6915 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6916 // [HGM] book: if program might be playing, let it use book
6917 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6918 first.maybeThinking = TRUE;
6919 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6920 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6921 SendBoard(&first, currentMove+1);
6922 if(second.analyzing) {
6923 if(!second.useSetboard) SendToProgram("undo\n", &second);
6924 SendBoard(&second, currentMove+1);
6927 SendMoveToProgram(forwardMostMove-1, &first);
6928 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6930 if (currentMove == cmailOldMove + 1) {
6931 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6935 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6939 if(appData.testLegality)
6940 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6946 if (WhiteOnMove(currentMove)) {
6947 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6949 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6953 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6958 case MachinePlaysBlack:
6959 case MachinePlaysWhite:
6960 /* disable certain menu options while machine is thinking */
6961 SetMachineThinkingEnables();
6968 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6969 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6971 if(bookHit) { // [HGM] book: simulate book reply
6972 static char bookMove[MSG_SIZ]; // a bit generous?
6974 programStats.nodes = programStats.depth = programStats.time =
6975 programStats.score = programStats.got_only_move = 0;
6976 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6978 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6979 strcat(bookMove, bookHit);
6980 HandleMachineMove(bookMove, &first);
6986 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6988 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6989 Markers *m = (Markers *) closure;
6990 if(rf == fromY && ff == fromX)
6991 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6992 || kind == WhiteCapturesEnPassant
6993 || kind == BlackCapturesEnPassant);
6994 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6998 MarkTargetSquares (int clear)
7001 if(clear) // no reason to ever suppress clearing
7002 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
7003 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7004 !appData.testLegality || gameMode == EditPosition) return;
7007 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7008 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7009 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7011 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7014 DrawPosition(FALSE, NULL);
7018 Explode (Board board, int fromX, int fromY, int toX, int toY)
7020 if(gameInfo.variant == VariantAtomic &&
7021 (board[toY][toX] != EmptySquare || // capture?
7022 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7023 board[fromY][fromX] == BlackPawn )
7025 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7031 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7034 CanPromote (ChessSquare piece, int y)
7036 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7037 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7038 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7039 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7040 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7041 gameInfo.variant == VariantMakruk) return FALSE;
7042 return (piece == BlackPawn && y == 1 ||
7043 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7044 piece == BlackLance && y == 1 ||
7045 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7049 LeftClick (ClickType clickType, int xPix, int yPix)
7052 Boolean saveAnimate;
7053 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7054 char promoChoice = NULLCHAR;
7056 static TimeMark lastClickTime, prevClickTime;
7058 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7060 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7062 if (clickType == Press) ErrorPopDown();
7064 x = EventToSquare(xPix, BOARD_WIDTH);
7065 y = EventToSquare(yPix, BOARD_HEIGHT);
7066 if (!flipView && y >= 0) {
7067 y = BOARD_HEIGHT - 1 - y;
7069 if (flipView && x >= 0) {
7070 x = BOARD_WIDTH - 1 - x;
7073 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7074 defaultPromoChoice = promoSweep;
7075 promoSweep = EmptySquare; // terminate sweep
7076 promoDefaultAltered = TRUE;
7077 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7080 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7081 if(clickType == Release) return; // ignore upclick of click-click destination
7082 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7083 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7084 if(gameInfo.holdingsWidth &&
7085 (WhiteOnMove(currentMove)
7086 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7087 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7088 // click in right holdings, for determining promotion piece
7089 ChessSquare p = boards[currentMove][y][x];
7090 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7091 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7092 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7093 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7098 DrawPosition(FALSE, boards[currentMove]);
7102 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7103 if(clickType == Press
7104 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7105 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7106 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7109 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7110 // could be static click on premove from-square: abort premove
7112 ClearPremoveHighlights();
7115 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7116 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7118 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7119 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7120 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7121 defaultPromoChoice = DefaultPromoChoice(side);
7124 autoQueen = appData.alwaysPromoteToQueen;
7128 gatingPiece = EmptySquare;
7129 if (clickType != Press) {
7130 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7131 DragPieceEnd(xPix, yPix); dragging = 0;
7132 DrawPosition(FALSE, NULL);
7136 doubleClick = FALSE;
7137 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7138 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7140 fromX = x; fromY = y; toX = toY = -1;
7141 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7142 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7143 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7145 if (OKToStartUserMove(fromX, fromY)) {
7147 MarkTargetSquares(0);
7148 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7149 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7150 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7151 promoSweep = defaultPromoChoice;
7152 selectFlag = 0; lastX = xPix; lastY = yPix;
7153 Sweep(0); // Pawn that is going to promote: preview promotion piece
7154 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7156 if (appData.highlightDragging) {
7157 SetHighlights(fromX, fromY, -1, -1);
7161 } else fromX = fromY = -1;
7167 if (clickType == Press && gameMode != EditPosition) {
7172 // ignore off-board to clicks
7173 if(y < 0 || x < 0) return;
7175 /* Check if clicking again on the same color piece */
7176 fromP = boards[currentMove][fromY][fromX];
7177 toP = boards[currentMove][y][x];
7178 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7179 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7180 WhitePawn <= toP && toP <= WhiteKing &&
7181 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7182 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7183 (BlackPawn <= fromP && fromP <= BlackKing &&
7184 BlackPawn <= toP && toP <= BlackKing &&
7185 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7186 !(fromP == BlackKing && toP == BlackRook && frc))) {
7187 /* Clicked again on same color piece -- changed his mind */
7188 second = (x == fromX && y == fromY);
7189 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7190 second = FALSE; // first double-click rather than scond click
7191 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7193 promoDefaultAltered = FALSE;
7194 MarkTargetSquares(1);
7195 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7196 if (appData.highlightDragging) {
7197 SetHighlights(x, y, -1, -1);
7201 if (OKToStartUserMove(x, y)) {
7202 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7203 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7204 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7205 gatingPiece = boards[currentMove][fromY][fromX];
7206 else gatingPiece = doubleClick ? fromP : EmptySquare;
7208 fromY = y; dragging = 1;
7209 MarkTargetSquares(0);
7210 DragPieceBegin(xPix, yPix, FALSE);
7211 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7212 promoSweep = defaultPromoChoice;
7213 selectFlag = 0; lastX = xPix; lastY = yPix;
7214 Sweep(0); // Pawn that is going to promote: preview promotion piece
7218 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7221 // ignore clicks on holdings
7222 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7225 if (clickType == Release && x == fromX && y == fromY) {
7226 DragPieceEnd(xPix, yPix); dragging = 0;
7228 // a deferred attempt to click-click move an empty square on top of a piece
7229 boards[currentMove][y][x] = EmptySquare;
7231 DrawPosition(FALSE, boards[currentMove]);
7232 fromX = fromY = -1; clearFlag = 0;
7235 if (appData.animateDragging) {
7236 /* Undo animation damage if any */
7237 DrawPosition(FALSE, NULL);
7239 if (second || sweepSelecting) {
7240 /* Second up/down in same square; just abort move */
7241 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7242 second = sweepSelecting = 0;
7244 gatingPiece = EmptySquare;
7247 ClearPremoveHighlights();
7249 /* First upclick in same square; start click-click mode */
7250 SetHighlights(x, y, -1, -1);
7257 /* we now have a different from- and (possibly off-board) to-square */
7258 /* Completed move */
7259 if(!sweepSelecting) {
7262 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7264 saveAnimate = appData.animate;
7265 if (clickType == Press) {
7266 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7267 // must be Edit Position mode with empty-square selected
7268 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7269 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7272 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7273 if(appData.sweepSelect) {
7274 ChessSquare piece = boards[currentMove][fromY][fromX];
7275 promoSweep = defaultPromoChoice;
7276 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7277 selectFlag = 0; lastX = xPix; lastY = yPix;
7278 Sweep(0); // Pawn that is going to promote: preview promotion piece
7280 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7281 MarkTargetSquares(1);
7283 return; // promo popup appears on up-click
7285 /* Finish clickclick move */
7286 if (appData.animate || appData.highlightLastMove) {
7287 SetHighlights(fromX, fromY, toX, toY);
7293 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7294 /* Finish drag move */
7295 if (appData.highlightLastMove) {
7296 SetHighlights(fromX, fromY, toX, toY);
7301 DragPieceEnd(xPix, yPix); dragging = 0;
7302 /* Don't animate move and drag both */
7303 appData.animate = FALSE;
7306 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7307 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7308 ChessSquare piece = boards[currentMove][fromY][fromX];
7309 if(gameMode == EditPosition && piece != EmptySquare &&
7310 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7313 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7314 n = PieceToNumber(piece - (int)BlackPawn);
7315 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7316 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7317 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7319 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7320 n = PieceToNumber(piece);
7321 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7322 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7323 boards[currentMove][n][BOARD_WIDTH-2]++;
7325 boards[currentMove][fromY][fromX] = EmptySquare;
7329 MarkTargetSquares(1);
7330 DrawPosition(TRUE, boards[currentMove]);
7334 // off-board moves should not be highlighted
7335 if(x < 0 || y < 0) ClearHighlights();
7337 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7339 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7340 SetHighlights(fromX, fromY, toX, toY);
7341 MarkTargetSquares(1);
7342 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7343 // [HGM] super: promotion to captured piece selected from holdings
7344 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7345 promotionChoice = TRUE;
7346 // kludge follows to temporarily execute move on display, without promoting yet
7347 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7348 boards[currentMove][toY][toX] = p;
7349 DrawPosition(FALSE, boards[currentMove]);
7350 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7351 boards[currentMove][toY][toX] = q;
7352 DisplayMessage("Click in holdings to choose piece", "");
7357 int oldMove = currentMove;
7358 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7359 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7360 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7361 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7362 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7363 DrawPosition(TRUE, boards[currentMove]);
7364 MarkTargetSquares(1);
7367 appData.animate = saveAnimate;
7368 if (appData.animate || appData.animateDragging) {
7369 /* Undo animation damage if needed */
7370 DrawPosition(FALSE, NULL);
7375 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7376 { // front-end-free part taken out of PieceMenuPopup
7377 int whichMenu; int xSqr, ySqr;
7379 if(seekGraphUp) { // [HGM] seekgraph
7380 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7381 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7385 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7386 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7387 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7388 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7389 if(action == Press) {
7390 originalFlip = flipView;
7391 flipView = !flipView; // temporarily flip board to see game from partners perspective
7392 DrawPosition(TRUE, partnerBoard);
7393 DisplayMessage(partnerStatus, "");
7395 } else if(action == Release) {
7396 flipView = originalFlip;
7397 DrawPosition(TRUE, boards[currentMove]);
7403 xSqr = EventToSquare(x, BOARD_WIDTH);
7404 ySqr = EventToSquare(y, BOARD_HEIGHT);
7405 if (action == Release) {
7406 if(pieceSweep != EmptySquare) {
7407 EditPositionMenuEvent(pieceSweep, toX, toY);
7408 pieceSweep = EmptySquare;
7409 } else UnLoadPV(); // [HGM] pv
7411 if (action != Press) return -2; // return code to be ignored
7414 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7416 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7417 if (xSqr < 0 || ySqr < 0) return -1;
7418 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7419 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7420 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7421 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7425 if(!appData.icsEngineAnalyze) return -1;
7426 case IcsPlayingWhite:
7427 case IcsPlayingBlack:
7428 if(!appData.zippyPlay) goto noZip;
7431 case MachinePlaysWhite:
7432 case MachinePlaysBlack:
7433 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7434 if (!appData.dropMenu) {
7436 return 2; // flag front-end to grab mouse events
7438 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7439 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7442 if (xSqr < 0 || ySqr < 0) return -1;
7443 if (!appData.dropMenu || appData.testLegality &&
7444 gameInfo.variant != VariantBughouse &&
7445 gameInfo.variant != VariantCrazyhouse) return -1;
7446 whichMenu = 1; // drop menu
7452 if (((*fromX = xSqr) < 0) ||
7453 ((*fromY = ySqr) < 0)) {
7454 *fromX = *fromY = -1;
7458 *fromX = BOARD_WIDTH - 1 - *fromX;
7460 *fromY = BOARD_HEIGHT - 1 - *fromY;
7466 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7468 // char * hint = lastHint;
7469 FrontEndProgramStats stats;
7471 stats.which = cps == &first ? 0 : 1;
7472 stats.depth = cpstats->depth;
7473 stats.nodes = cpstats->nodes;
7474 stats.score = cpstats->score;
7475 stats.time = cpstats->time;
7476 stats.pv = cpstats->movelist;
7477 stats.hint = lastHint;
7478 stats.an_move_index = 0;
7479 stats.an_move_count = 0;
7481 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7482 stats.hint = cpstats->move_name;
7483 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7484 stats.an_move_count = cpstats->nr_moves;
7487 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7489 SetProgramStats( &stats );
7493 ClearEngineOutputPane (int which)
7495 static FrontEndProgramStats dummyStats;
7496 dummyStats.which = which;
7497 dummyStats.pv = "#";
7498 SetProgramStats( &dummyStats );
7501 #define MAXPLAYERS 500
7504 TourneyStandings (int display)
7506 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7507 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7508 char result, *p, *names[MAXPLAYERS];
7510 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7511 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7512 names[0] = p = strdup(appData.participants);
7513 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7515 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7517 while(result = appData.results[nr]) {
7518 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7519 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7520 wScore = bScore = 0;
7522 case '+': wScore = 2; break;
7523 case '-': bScore = 2; break;
7524 case '=': wScore = bScore = 1; break;
7526 case '*': return strdup("busy"); // tourney not finished
7534 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7535 for(w=0; w<nPlayers; w++) {
7537 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7538 ranking[w] = b; points[w] = bScore; score[b] = -2;
7540 p = malloc(nPlayers*34+1);
7541 for(w=0; w<nPlayers && w<display; w++)
7542 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7548 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7549 { // count all piece types
7551 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7552 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7553 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7556 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7557 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7558 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7559 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7560 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7561 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7566 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7568 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7569 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7571 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7572 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7573 if(myPawns == 2 && nMine == 3) // KPP
7574 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7575 if(myPawns == 1 && nMine == 2) // KP
7576 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7577 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7578 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7579 if(myPawns) return FALSE;
7580 if(pCnt[WhiteRook+side])
7581 return pCnt[BlackRook-side] ||
7582 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7583 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7584 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7585 if(pCnt[WhiteCannon+side]) {
7586 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7587 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7589 if(pCnt[WhiteKnight+side])
7590 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7595 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7597 VariantClass v = gameInfo.variant;
7599 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7600 if(v == VariantShatranj) return TRUE; // always winnable through baring
7601 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7602 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7604 if(v == VariantXiangqi) {
7605 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7607 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7608 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7609 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7610 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7611 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7612 if(stale) // we have at least one last-rank P plus perhaps C
7613 return majors // KPKX
7614 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7616 return pCnt[WhiteFerz+side] // KCAK
7617 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7618 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7619 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7621 } else if(v == VariantKnightmate) {
7622 if(nMine == 1) return FALSE;
7623 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7624 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7625 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7627 if(nMine == 1) return FALSE; // bare King
7628 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7629 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7630 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7631 // by now we have King + 1 piece (or multiple Bishops on the same color)
7632 if(pCnt[WhiteKnight+side])
7633 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7634 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7635 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7637 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7638 if(pCnt[WhiteAlfil+side])
7639 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7640 if(pCnt[WhiteWazir+side])
7641 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7648 CompareWithRights (Board b1, Board b2)
7651 if(!CompareBoards(b1, b2)) return FALSE;
7652 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7653 /* compare castling rights */
7654 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7655 rights++; /* King lost rights, while rook still had them */
7656 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7657 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7658 rights++; /* but at least one rook lost them */
7660 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7662 if( b1[CASTLING][5] != NoRights ) {
7663 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7670 Adjudicate (ChessProgramState *cps)
7671 { // [HGM] some adjudications useful with buggy engines
7672 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7673 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7674 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7675 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7676 int k, drop, count = 0; static int bare = 1;
7677 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7678 Boolean canAdjudicate = !appData.icsActive;
7680 // most tests only when we understand the game, i.e. legality-checking on
7681 if( appData.testLegality )
7682 { /* [HGM] Some more adjudications for obstinate engines */
7683 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7684 static int moveCount = 6;
7686 char *reason = NULL;
7688 /* Count what is on board. */
7689 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7691 /* Some material-based adjudications that have to be made before stalemate test */
7692 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7693 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7694 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7695 if(canAdjudicate && appData.checkMates) {
7697 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7698 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7699 "Xboard adjudication: King destroyed", GE_XBOARD );
7704 /* Bare King in Shatranj (loses) or Losers (wins) */
7705 if( nrW == 1 || nrB == 1) {
7706 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7707 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7708 if(canAdjudicate && appData.checkMates) {
7710 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7711 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7712 "Xboard adjudication: Bare king", GE_XBOARD );
7716 if( gameInfo.variant == VariantShatranj && --bare < 0)
7718 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7719 if(canAdjudicate && appData.checkMates) {
7720 /* but only adjudicate if adjudication enabled */
7722 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7723 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7724 "Xboard adjudication: Bare king", GE_XBOARD );
7731 // don't wait for engine to announce game end if we can judge ourselves
7732 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7734 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7735 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7736 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7737 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7740 reason = "Xboard adjudication: 3rd check";
7741 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7751 reason = "Xboard adjudication: Stalemate";
7752 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7753 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7754 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7755 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7756 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7757 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7758 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7759 EP_CHECKMATE : EP_WINS);
7760 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7761 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7765 reason = "Xboard adjudication: Checkmate";
7766 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7767 if(gameInfo.variant == VariantShogi) {
7768 if(forwardMostMove > backwardMostMove
7769 && moveList[forwardMostMove-1][1] == '@'
7770 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7771 reason = "XBoard adjudication: pawn-drop mate";
7772 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7778 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7780 result = GameIsDrawn; break;
7782 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7784 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7788 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7790 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7791 GameEnds( result, reason, GE_XBOARD );
7795 /* Next absolutely insufficient mating material. */
7796 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7797 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7798 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7800 /* always flag draws, for judging claims */
7801 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7803 if(canAdjudicate && appData.materialDraws) {
7804 /* but only adjudicate them if adjudication enabled */
7805 if(engineOpponent) {
7806 SendToProgram("force\n", engineOpponent); // suppress reply
7807 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7809 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7814 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7815 if(gameInfo.variant == VariantXiangqi ?
7816 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7818 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7819 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7820 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7821 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7823 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7824 { /* if the first 3 moves do not show a tactical win, declare draw */
7825 if(engineOpponent) {
7826 SendToProgram("force\n", engineOpponent); // suppress reply
7827 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7829 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7832 } else moveCount = 6;
7835 // Repetition draws and 50-move rule can be applied independently of legality testing
7837 /* Check for rep-draws */
7839 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7840 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7841 for(k = forwardMostMove-2;
7842 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7843 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7844 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7847 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7848 /* compare castling rights */
7849 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7850 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7851 rights++; /* King lost rights, while rook still had them */
7852 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7853 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7854 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7855 rights++; /* but at least one rook lost them */
7857 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7858 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7860 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7861 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7862 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7865 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7866 && appData.drawRepeats > 1) {
7867 /* adjudicate after user-specified nr of repeats */
7868 int result = GameIsDrawn;
7869 char *details = "XBoard adjudication: repetition draw";
7870 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7871 // [HGM] xiangqi: check for forbidden perpetuals
7872 int m, ourPerpetual = 1, hisPerpetual = 1;
7873 for(m=forwardMostMove; m>k; m-=2) {
7874 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7875 ourPerpetual = 0; // the current mover did not always check
7876 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7877 hisPerpetual = 0; // the opponent did not always check
7879 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7880 ourPerpetual, hisPerpetual);
7881 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7882 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7883 details = "Xboard adjudication: perpetual checking";
7885 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7886 break; // (or we would have caught him before). Abort repetition-checking loop.
7888 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7889 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7891 details = "Xboard adjudication: repetition";
7893 } else // it must be XQ
7894 // Now check for perpetual chases
7895 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7896 hisPerpetual = PerpetualChase(k, forwardMostMove);
7897 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7898 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7899 static char resdet[MSG_SIZ];
7900 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7902 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7904 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7905 break; // Abort repetition-checking loop.
7907 // if neither of us is checking or chasing all the time, or both are, it is draw
7909 if(engineOpponent) {
7910 SendToProgram("force\n", engineOpponent); // suppress reply
7911 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7913 GameEnds( result, details, GE_XBOARD );
7916 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7917 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7921 /* Now we test for 50-move draws. Determine ply count */
7922 count = forwardMostMove;
7923 /* look for last irreversble move */
7924 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7926 /* if we hit starting position, add initial plies */
7927 if( count == backwardMostMove )
7928 count -= initialRulePlies;
7929 count = forwardMostMove - count;
7930 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7931 // adjust reversible move counter for checks in Xiangqi
7932 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7933 if(i < backwardMostMove) i = backwardMostMove;
7934 while(i <= forwardMostMove) {
7935 lastCheck = inCheck; // check evasion does not count
7936 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7937 if(inCheck || lastCheck) count--; // check does not count
7942 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7943 /* this is used to judge if draw claims are legal */
7944 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7945 if(engineOpponent) {
7946 SendToProgram("force\n", engineOpponent); // suppress reply
7947 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7949 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7953 /* if draw offer is pending, treat it as a draw claim
7954 * when draw condition present, to allow engines a way to
7955 * claim draws before making their move to avoid a race
7956 * condition occurring after their move
7958 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7960 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7961 p = "Draw claim: 50-move rule";
7962 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7963 p = "Draw claim: 3-fold repetition";
7964 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7965 p = "Draw claim: insufficient mating material";
7966 if( p != NULL && canAdjudicate) {
7967 if(engineOpponent) {
7968 SendToProgram("force\n", engineOpponent); // suppress reply
7969 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7971 GameEnds( GameIsDrawn, p, GE_XBOARD );
7976 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7977 if(engineOpponent) {
7978 SendToProgram("force\n", engineOpponent); // suppress reply
7979 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7981 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7988 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7989 { // [HGM] book: this routine intercepts moves to simulate book replies
7990 char *bookHit = NULL;
7992 //first determine if the incoming move brings opponent into his book
7993 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7994 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7995 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7996 if(bookHit != NULL && !cps->bookSuspend) {
7997 // make sure opponent is not going to reply after receiving move to book position
7998 SendToProgram("force\n", cps);
7999 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8001 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8002 // now arrange restart after book miss
8004 // after a book hit we never send 'go', and the code after the call to this routine
8005 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8006 char buf[MSG_SIZ], *move = bookHit;
8008 int fromX, fromY, toX, toY;
8012 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8013 &fromX, &fromY, &toX, &toY, &promoChar)) {
8014 (void) CoordsToAlgebraic(boards[forwardMostMove],
8015 PosFlags(forwardMostMove),
8016 fromY, fromX, toY, toX, promoChar, move);
8018 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8022 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8023 SendToProgram(buf, cps);
8024 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8025 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8026 SendToProgram("go\n", cps);
8027 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8028 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8029 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8030 SendToProgram("go\n", cps);
8031 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8033 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8037 LoadError (char *errmess, ChessProgramState *cps)
8038 { // unloads engine and switches back to -ncp mode if it was first
8039 if(cps->initDone) return FALSE;
8040 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8041 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8044 appData.noChessProgram = TRUE;
8045 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8046 gameMode = BeginningOfGame; ModeHighlight();
8049 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8050 DisplayMessage("", ""); // erase waiting message
8051 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8056 ChessProgramState *savedState;
8058 DeferredBookMove (void)
8060 if(savedState->lastPing != savedState->lastPong)
8061 ScheduleDelayedEvent(DeferredBookMove, 10);
8063 HandleMachineMove(savedMessage, savedState);
8066 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8067 static ChessProgramState *stalledEngine;
8068 static char stashedInputMove[MSG_SIZ];
8071 HandleMachineMove (char *message, ChessProgramState *cps)
8073 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8074 char realname[MSG_SIZ];
8075 int fromX, fromY, toX, toY;
8079 int machineWhite, oldError;
8082 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8083 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8084 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8085 DisplayError(_("Invalid pairing from pairing engine"), 0);
8088 pairingReceived = 1;
8090 return; // Skim the pairing messages here.
8093 oldError = cps->userError; cps->userError = 0;
8095 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8097 * Kludge to ignore BEL characters
8099 while (*message == '\007') message++;
8102 * [HGM] engine debug message: ignore lines starting with '#' character
8104 if(cps->debug && *message == '#') return;
8107 * Look for book output
8109 if (cps == &first && bookRequested) {
8110 if (message[0] == '\t' || message[0] == ' ') {
8111 /* Part of the book output is here; append it */
8112 strcat(bookOutput, message);
8113 strcat(bookOutput, " \n");
8115 } else if (bookOutput[0] != NULLCHAR) {
8116 /* All of book output has arrived; display it */
8117 char *p = bookOutput;
8118 while (*p != NULLCHAR) {
8119 if (*p == '\t') *p = ' ';
8122 DisplayInformation(bookOutput);
8123 bookRequested = FALSE;
8124 /* Fall through to parse the current output */
8129 * Look for machine move.
8131 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8132 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8134 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8135 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8136 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8137 stalledEngine = cps;
8138 if(appData.ponderNextMove) { // bring opponent out of ponder
8139 if(gameMode == TwoMachinesPlay) {
8140 if(cps->other->pause)
8141 PauseEngine(cps->other);
8143 SendToProgram("easy\n", cps->other);
8150 /* This method is only useful on engines that support ping */
8151 if (cps->lastPing != cps->lastPong) {
8152 if (gameMode == BeginningOfGame) {
8153 /* Extra move from before last new; ignore */
8154 if (appData.debugMode) {
8155 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8158 if (appData.debugMode) {
8159 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8160 cps->which, gameMode);
8163 SendToProgram("undo\n", cps);
8169 case BeginningOfGame:
8170 /* Extra move from before last reset; ignore */
8171 if (appData.debugMode) {
8172 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8179 /* Extra move after we tried to stop. The mode test is
8180 not a reliable way of detecting this problem, but it's
8181 the best we can do on engines that don't support ping.
8183 if (appData.debugMode) {
8184 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8185 cps->which, gameMode);
8187 SendToProgram("undo\n", cps);
8190 case MachinePlaysWhite:
8191 case IcsPlayingWhite:
8192 machineWhite = TRUE;
8195 case MachinePlaysBlack:
8196 case IcsPlayingBlack:
8197 machineWhite = FALSE;
8200 case TwoMachinesPlay:
8201 machineWhite = (cps->twoMachinesColor[0] == 'w');
8204 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8205 if (appData.debugMode) {
8207 "Ignoring move out of turn by %s, gameMode %d"
8208 ", forwardMost %d\n",
8209 cps->which, gameMode, forwardMostMove);
8214 if(cps->alphaRank) AlphaRank(machineMove, 4);
8215 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8216 &fromX, &fromY, &toX, &toY, &promoChar)) {
8217 /* Machine move could not be parsed; ignore it. */
8218 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8219 machineMove, _(cps->which));
8220 DisplayMoveError(buf1);
8221 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8222 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8223 if (gameMode == TwoMachinesPlay) {
8224 GameEnds(machineWhite ? BlackWins : WhiteWins,
8230 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8231 /* So we have to redo legality test with true e.p. status here, */
8232 /* to make sure an illegal e.p. capture does not slip through, */
8233 /* to cause a forfeit on a justified illegal-move complaint */
8234 /* of the opponent. */
8235 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8237 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8238 fromY, fromX, toY, toX, promoChar);
8239 if(moveType == IllegalMove) {
8240 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8241 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8242 GameEnds(machineWhite ? BlackWins : WhiteWins,
8245 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8246 /* [HGM] Kludge to handle engines that send FRC-style castling
8247 when they shouldn't (like TSCP-Gothic) */
8249 case WhiteASideCastleFR:
8250 case BlackASideCastleFR:
8252 currentMoveString[2]++;
8254 case WhiteHSideCastleFR:
8255 case BlackHSideCastleFR:
8257 currentMoveString[2]--;
8259 default: ; // nothing to do, but suppresses warning of pedantic compilers
8262 hintRequested = FALSE;
8263 lastHint[0] = NULLCHAR;
8264 bookRequested = FALSE;
8265 /* Program may be pondering now */
8266 cps->maybeThinking = TRUE;
8267 if (cps->sendTime == 2) cps->sendTime = 1;
8268 if (cps->offeredDraw) cps->offeredDraw--;
8270 /* [AS] Save move info*/
8271 pvInfoList[ forwardMostMove ].score = programStats.score;
8272 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8273 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8275 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8277 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8278 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8281 while( count < adjudicateLossPlies ) {
8282 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8285 score = -score; /* Flip score for winning side */
8288 if( score > adjudicateLossThreshold ) {
8295 if( count >= adjudicateLossPlies ) {
8296 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8298 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8299 "Xboard adjudication",
8306 if(Adjudicate(cps)) {
8307 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8308 return; // [HGM] adjudicate: for all automatic game ends
8312 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8314 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8315 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8317 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8319 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8321 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8322 char buf[3*MSG_SIZ];
8324 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8325 programStats.score / 100.,
8327 programStats.time / 100.,
8328 (unsigned int)programStats.nodes,
8329 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8330 programStats.movelist);
8332 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8337 /* [AS] Clear stats for next move */
8338 ClearProgramStats();
8339 thinkOutput[0] = NULLCHAR;
8340 hiddenThinkOutputState = 0;
8343 if (gameMode == TwoMachinesPlay) {
8344 /* [HGM] relaying draw offers moved to after reception of move */
8345 /* and interpreting offer as claim if it brings draw condition */
8346 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8347 SendToProgram("draw\n", cps->other);
8349 if (cps->other->sendTime) {
8350 SendTimeRemaining(cps->other,
8351 cps->other->twoMachinesColor[0] == 'w');
8353 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8354 if (firstMove && !bookHit) {
8356 if (cps->other->useColors) {
8357 SendToProgram(cps->other->twoMachinesColor, cps->other);
8359 SendToProgram("go\n", cps->other);
8361 cps->other->maybeThinking = TRUE;
8364 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8366 if (!pausing && appData.ringBellAfterMoves) {
8371 * Reenable menu items that were disabled while
8372 * machine was thinking
8374 if (gameMode != TwoMachinesPlay)
8375 SetUserThinkingEnables();
8377 // [HGM] book: after book hit opponent has received move and is now in force mode
8378 // force the book reply into it, and then fake that it outputted this move by jumping
8379 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8381 static char bookMove[MSG_SIZ]; // a bit generous?
8383 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8384 strcat(bookMove, bookHit);
8387 programStats.nodes = programStats.depth = programStats.time =
8388 programStats.score = programStats.got_only_move = 0;
8389 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8391 if(cps->lastPing != cps->lastPong) {
8392 savedMessage = message; // args for deferred call
8394 ScheduleDelayedEvent(DeferredBookMove, 10);
8403 /* Set special modes for chess engines. Later something general
8404 * could be added here; for now there is just one kludge feature,
8405 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8406 * when "xboard" is given as an interactive command.
8408 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8409 cps->useSigint = FALSE;
8410 cps->useSigterm = FALSE;
8412 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8413 ParseFeatures(message+8, cps);
8414 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8417 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8418 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8419 int dummy, s=6; char buf[MSG_SIZ];
8420 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8421 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8422 if(startedFromSetupPosition) return;
8423 ParseFEN(boards[0], &dummy, message+s);
8424 DrawPosition(TRUE, boards[0]);
8425 startedFromSetupPosition = TRUE;
8428 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8429 * want this, I was asked to put it in, and obliged.
8431 if (!strncmp(message, "setboard ", 9)) {
8432 Board initial_position;
8434 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8436 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8437 DisplayError(_("Bad FEN received from engine"), 0);
8441 CopyBoard(boards[0], initial_position);
8442 initialRulePlies = FENrulePlies;
8443 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8444 else gameMode = MachinePlaysBlack;
8445 DrawPosition(FALSE, boards[currentMove]);
8451 * Look for communication commands
8453 if (!strncmp(message, "telluser ", 9)) {
8454 if(message[9] == '\\' && message[10] == '\\')
8455 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8457 DisplayNote(message + 9);
8460 if (!strncmp(message, "tellusererror ", 14)) {
8462 if(message[14] == '\\' && message[15] == '\\')
8463 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8465 DisplayError(message + 14, 0);
8468 if (!strncmp(message, "tellopponent ", 13)) {
8469 if (appData.icsActive) {
8471 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8475 DisplayNote(message + 13);
8479 if (!strncmp(message, "tellothers ", 11)) {
8480 if (appData.icsActive) {
8482 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8485 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8488 if (!strncmp(message, "tellall ", 8)) {
8489 if (appData.icsActive) {
8491 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8495 DisplayNote(message + 8);
8499 if (strncmp(message, "warning", 7) == 0) {
8500 /* Undocumented feature, use tellusererror in new code */
8501 DisplayError(message, 0);
8504 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8505 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8506 strcat(realname, " query");
8507 AskQuestion(realname, buf2, buf1, cps->pr);
8510 /* Commands from the engine directly to ICS. We don't allow these to be
8511 * sent until we are logged on. Crafty kibitzes have been known to
8512 * interfere with the login process.
8515 if (!strncmp(message, "tellics ", 8)) {
8516 SendToICS(message + 8);
8520 if (!strncmp(message, "tellicsnoalias ", 15)) {
8521 SendToICS(ics_prefix);
8522 SendToICS(message + 15);
8526 /* The following are for backward compatibility only */
8527 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8528 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8529 SendToICS(ics_prefix);
8535 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8539 * If the move is illegal, cancel it and redraw the board.
8540 * Also deal with other error cases. Matching is rather loose
8541 * here to accommodate engines written before the spec.
8543 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8544 strncmp(message, "Error", 5) == 0) {
8545 if (StrStr(message, "name") ||
8546 StrStr(message, "rating") || StrStr(message, "?") ||
8547 StrStr(message, "result") || StrStr(message, "board") ||
8548 StrStr(message, "bk") || StrStr(message, "computer") ||
8549 StrStr(message, "variant") || StrStr(message, "hint") ||
8550 StrStr(message, "random") || StrStr(message, "depth") ||
8551 StrStr(message, "accepted")) {
8554 if (StrStr(message, "protover")) {
8555 /* Program is responding to input, so it's apparently done
8556 initializing, and this error message indicates it is
8557 protocol version 1. So we don't need to wait any longer
8558 for it to initialize and send feature commands. */
8559 FeatureDone(cps, 1);
8560 cps->protocolVersion = 1;
8563 cps->maybeThinking = FALSE;
8565 if (StrStr(message, "draw")) {
8566 /* Program doesn't have "draw" command */
8567 cps->sendDrawOffers = 0;
8570 if (cps->sendTime != 1 &&
8571 (StrStr(message, "time") || StrStr(message, "otim"))) {
8572 /* Program apparently doesn't have "time" or "otim" command */
8576 if (StrStr(message, "analyze")) {
8577 cps->analysisSupport = FALSE;
8578 cps->analyzing = FALSE;
8579 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8580 EditGameEvent(); // [HGM] try to preserve loaded game
8581 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8582 DisplayError(buf2, 0);
8585 if (StrStr(message, "(no matching move)st")) {
8586 /* Special kludge for GNU Chess 4 only */
8587 cps->stKludge = TRUE;
8588 SendTimeControl(cps, movesPerSession, timeControl,
8589 timeIncrement, appData.searchDepth,
8593 if (StrStr(message, "(no matching move)sd")) {
8594 /* Special kludge for GNU Chess 4 only */
8595 cps->sdKludge = TRUE;
8596 SendTimeControl(cps, movesPerSession, timeControl,
8597 timeIncrement, appData.searchDepth,
8601 if (!StrStr(message, "llegal")) {
8604 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8605 gameMode == IcsIdle) return;
8606 if (forwardMostMove <= backwardMostMove) return;
8607 if (pausing) PauseEvent();
8608 if(appData.forceIllegal) {
8609 // [HGM] illegal: machine refused move; force position after move into it
8610 SendToProgram("force\n", cps);
8611 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8612 // we have a real problem now, as SendBoard will use the a2a3 kludge
8613 // when black is to move, while there might be nothing on a2 or black
8614 // might already have the move. So send the board as if white has the move.
8615 // But first we must change the stm of the engine, as it refused the last move
8616 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8617 if(WhiteOnMove(forwardMostMove)) {
8618 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8619 SendBoard(cps, forwardMostMove); // kludgeless board
8621 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8622 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8623 SendBoard(cps, forwardMostMove+1); // kludgeless board
8625 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8626 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8627 gameMode == TwoMachinesPlay)
8628 SendToProgram("go\n", cps);
8631 if (gameMode == PlayFromGameFile) {
8632 /* Stop reading this game file */
8633 gameMode = EditGame;
8636 /* [HGM] illegal-move claim should forfeit game when Xboard */
8637 /* only passes fully legal moves */
8638 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8639 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8640 "False illegal-move claim", GE_XBOARD );
8641 return; // do not take back move we tested as valid
8643 currentMove = forwardMostMove-1;
8644 DisplayMove(currentMove-1); /* before DisplayMoveError */
8645 SwitchClocks(forwardMostMove-1); // [HGM] race
8646 DisplayBothClocks();
8647 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8648 parseList[currentMove], _(cps->which));
8649 DisplayMoveError(buf1);
8650 DrawPosition(FALSE, boards[currentMove]);
8652 SetUserThinkingEnables();
8655 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8656 /* Program has a broken "time" command that
8657 outputs a string not ending in newline.
8663 * If chess program startup fails, exit with an error message.
8664 * Attempts to recover here are futile. [HGM] Well, we try anyway
8666 if ((StrStr(message, "unknown host") != NULL)
8667 || (StrStr(message, "No remote directory") != NULL)
8668 || (StrStr(message, "not found") != NULL)
8669 || (StrStr(message, "No such file") != NULL)
8670 || (StrStr(message, "can't alloc") != NULL)
8671 || (StrStr(message, "Permission denied") != NULL)) {
8673 cps->maybeThinking = FALSE;
8674 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8675 _(cps->which), cps->program, cps->host, message);
8676 RemoveInputSource(cps->isr);
8677 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8678 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8679 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8685 * Look for hint output
8687 if (sscanf(message, "Hint: %s", buf1) == 1) {
8688 if (cps == &first && hintRequested) {
8689 hintRequested = FALSE;
8690 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8691 &fromX, &fromY, &toX, &toY, &promoChar)) {
8692 (void) CoordsToAlgebraic(boards[forwardMostMove],
8693 PosFlags(forwardMostMove),
8694 fromY, fromX, toY, toX, promoChar, buf1);
8695 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8696 DisplayInformation(buf2);
8698 /* Hint move could not be parsed!? */
8699 snprintf(buf2, sizeof(buf2),
8700 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8701 buf1, _(cps->which));
8702 DisplayError(buf2, 0);
8705 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8711 * Ignore other messages if game is not in progress
8713 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8714 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8717 * look for win, lose, draw, or draw offer
8719 if (strncmp(message, "1-0", 3) == 0) {
8720 char *p, *q, *r = "";
8721 p = strchr(message, '{');
8729 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8731 } else if (strncmp(message, "0-1", 3) == 0) {
8732 char *p, *q, *r = "";
8733 p = strchr(message, '{');
8741 /* Kludge for Arasan 4.1 bug */
8742 if (strcmp(r, "Black resigns") == 0) {
8743 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8746 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8748 } else if (strncmp(message, "1/2", 3) == 0) {
8749 char *p, *q, *r = "";
8750 p = strchr(message, '{');
8759 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8762 } else if (strncmp(message, "White resign", 12) == 0) {
8763 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8765 } else if (strncmp(message, "Black resign", 12) == 0) {
8766 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8768 } else if (strncmp(message, "White matches", 13) == 0 ||
8769 strncmp(message, "Black matches", 13) == 0 ) {
8770 /* [HGM] ignore GNUShogi noises */
8772 } else if (strncmp(message, "White", 5) == 0 &&
8773 message[5] != '(' &&
8774 StrStr(message, "Black") == NULL) {
8775 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8777 } else if (strncmp(message, "Black", 5) == 0 &&
8778 message[5] != '(') {
8779 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8781 } else if (strcmp(message, "resign") == 0 ||
8782 strcmp(message, "computer resigns") == 0) {
8784 case MachinePlaysBlack:
8785 case IcsPlayingBlack:
8786 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8788 case MachinePlaysWhite:
8789 case IcsPlayingWhite:
8790 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8792 case TwoMachinesPlay:
8793 if (cps->twoMachinesColor[0] == 'w')
8794 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8796 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8803 } else if (strncmp(message, "opponent mates", 14) == 0) {
8805 case MachinePlaysBlack:
8806 case IcsPlayingBlack:
8807 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8809 case MachinePlaysWhite:
8810 case IcsPlayingWhite:
8811 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8813 case TwoMachinesPlay:
8814 if (cps->twoMachinesColor[0] == 'w')
8815 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8817 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8824 } else if (strncmp(message, "computer mates", 14) == 0) {
8826 case MachinePlaysBlack:
8827 case IcsPlayingBlack:
8828 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8830 case MachinePlaysWhite:
8831 case IcsPlayingWhite:
8832 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8834 case TwoMachinesPlay:
8835 if (cps->twoMachinesColor[0] == 'w')
8836 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8838 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8845 } else if (strncmp(message, "checkmate", 9) == 0) {
8846 if (WhiteOnMove(forwardMostMove)) {
8847 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8849 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8852 } else if (strstr(message, "Draw") != NULL ||
8853 strstr(message, "game is a draw") != NULL) {
8854 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8856 } else if (strstr(message, "offer") != NULL &&
8857 strstr(message, "draw") != NULL) {
8859 if (appData.zippyPlay && first.initDone) {
8860 /* Relay offer to ICS */
8861 SendToICS(ics_prefix);
8862 SendToICS("draw\n");
8865 cps->offeredDraw = 2; /* valid until this engine moves twice */
8866 if (gameMode == TwoMachinesPlay) {
8867 if (cps->other->offeredDraw) {
8868 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8869 /* [HGM] in two-machine mode we delay relaying draw offer */
8870 /* until after we also have move, to see if it is really claim */
8872 } else if (gameMode == MachinePlaysWhite ||
8873 gameMode == MachinePlaysBlack) {
8874 if (userOfferedDraw) {
8875 DisplayInformation(_("Machine accepts your draw offer"));
8876 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8878 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8885 * Look for thinking output
8887 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8888 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8890 int plylev, mvleft, mvtot, curscore, time;
8891 char mvname[MOVE_LEN];
8895 int prefixHint = FALSE;
8896 mvname[0] = NULLCHAR;
8899 case MachinePlaysBlack:
8900 case IcsPlayingBlack:
8901 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8903 case MachinePlaysWhite:
8904 case IcsPlayingWhite:
8905 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8910 case IcsObserving: /* [DM] icsEngineAnalyze */
8911 if (!appData.icsEngineAnalyze) ignore = TRUE;
8913 case TwoMachinesPlay:
8914 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8924 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8926 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8927 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8929 if (plyext != ' ' && plyext != '\t') {
8933 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8934 if( cps->scoreIsAbsolute &&
8935 ( gameMode == MachinePlaysBlack ||
8936 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8937 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8938 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8939 !WhiteOnMove(currentMove)
8942 curscore = -curscore;
8945 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8947 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8950 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8951 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8952 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8953 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8954 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8955 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8957 } else DisplayError(_("failed writing PV"), 0);
8960 tempStats.depth = plylev;
8961 tempStats.nodes = nodes;
8962 tempStats.time = time;
8963 tempStats.score = curscore;
8964 tempStats.got_only_move = 0;
8966 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8969 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8970 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8971 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8972 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8973 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8974 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8975 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8976 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8979 /* Buffer overflow protection */
8980 if (pv[0] != NULLCHAR) {
8981 if (strlen(pv) >= sizeof(tempStats.movelist)
8982 && appData.debugMode) {
8984 "PV is too long; using the first %u bytes.\n",
8985 (unsigned) sizeof(tempStats.movelist) - 1);
8988 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8990 sprintf(tempStats.movelist, " no PV\n");
8993 if (tempStats.seen_stat) {
8994 tempStats.ok_to_send = 1;
8997 if (strchr(tempStats.movelist, '(') != NULL) {
8998 tempStats.line_is_book = 1;
8999 tempStats.nr_moves = 0;
9000 tempStats.moves_left = 0;
9002 tempStats.line_is_book = 0;
9005 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9006 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9008 SendProgramStatsToFrontend( cps, &tempStats );
9011 [AS] Protect the thinkOutput buffer from overflow... this
9012 is only useful if buf1 hasn't overflowed first!
9014 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9016 (gameMode == TwoMachinesPlay ?
9017 ToUpper(cps->twoMachinesColor[0]) : ' '),
9018 ((double) curscore) / 100.0,
9019 prefixHint ? lastHint : "",
9020 prefixHint ? " " : "" );
9022 if( buf1[0] != NULLCHAR ) {
9023 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9025 if( strlen(pv) > max_len ) {
9026 if( appData.debugMode) {
9027 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9029 pv[max_len+1] = '\0';
9032 strcat( thinkOutput, pv);
9035 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9036 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9037 DisplayMove(currentMove - 1);
9041 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9042 /* crafty (9.25+) says "(only move) <move>"
9043 * if there is only 1 legal move
9045 sscanf(p, "(only move) %s", buf1);
9046 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9047 sprintf(programStats.movelist, "%s (only move)", buf1);
9048 programStats.depth = 1;
9049 programStats.nr_moves = 1;
9050 programStats.moves_left = 1;
9051 programStats.nodes = 1;
9052 programStats.time = 1;
9053 programStats.got_only_move = 1;
9055 /* Not really, but we also use this member to
9056 mean "line isn't going to change" (Crafty
9057 isn't searching, so stats won't change) */
9058 programStats.line_is_book = 1;
9060 SendProgramStatsToFrontend( cps, &programStats );
9062 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9063 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9064 DisplayMove(currentMove - 1);
9067 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9068 &time, &nodes, &plylev, &mvleft,
9069 &mvtot, mvname) >= 5) {
9070 /* The stat01: line is from Crafty (9.29+) in response
9071 to the "." command */
9072 programStats.seen_stat = 1;
9073 cps->maybeThinking = TRUE;
9075 if (programStats.got_only_move || !appData.periodicUpdates)
9078 programStats.depth = plylev;
9079 programStats.time = time;
9080 programStats.nodes = nodes;
9081 programStats.moves_left = mvleft;
9082 programStats.nr_moves = mvtot;
9083 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9084 programStats.ok_to_send = 1;
9085 programStats.movelist[0] = '\0';
9087 SendProgramStatsToFrontend( cps, &programStats );
9091 } else if (strncmp(message,"++",2) == 0) {
9092 /* Crafty 9.29+ outputs this */
9093 programStats.got_fail = 2;
9096 } else if (strncmp(message,"--",2) == 0) {
9097 /* Crafty 9.29+ outputs this */
9098 programStats.got_fail = 1;
9101 } else if (thinkOutput[0] != NULLCHAR &&
9102 strncmp(message, " ", 4) == 0) {
9103 unsigned message_len;
9106 while (*p && *p == ' ') p++;
9108 message_len = strlen( p );
9110 /* [AS] Avoid buffer overflow */
9111 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9112 strcat(thinkOutput, " ");
9113 strcat(thinkOutput, p);
9116 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9117 strcat(programStats.movelist, " ");
9118 strcat(programStats.movelist, p);
9121 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9122 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9123 DisplayMove(currentMove - 1);
9131 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9132 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9134 ChessProgramStats cpstats;
9136 if (plyext != ' ' && plyext != '\t') {
9140 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9141 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9142 curscore = -curscore;
9145 cpstats.depth = plylev;
9146 cpstats.nodes = nodes;
9147 cpstats.time = time;
9148 cpstats.score = curscore;
9149 cpstats.got_only_move = 0;
9150 cpstats.movelist[0] = '\0';
9152 if (buf1[0] != NULLCHAR) {
9153 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9156 cpstats.ok_to_send = 0;
9157 cpstats.line_is_book = 0;
9158 cpstats.nr_moves = 0;
9159 cpstats.moves_left = 0;
9161 SendProgramStatsToFrontend( cps, &cpstats );
9168 /* Parse a game score from the character string "game", and
9169 record it as the history of the current game. The game
9170 score is NOT assumed to start from the standard position.
9171 The display is not updated in any way.
9174 ParseGameHistory (char *game)
9177 int fromX, fromY, toX, toY, boardIndex;
9182 if (appData.debugMode)
9183 fprintf(debugFP, "Parsing game history: %s\n", game);
9185 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9186 gameInfo.site = StrSave(appData.icsHost);
9187 gameInfo.date = PGNDate();
9188 gameInfo.round = StrSave("-");
9190 /* Parse out names of players */
9191 while (*game == ' ') game++;
9193 while (*game != ' ') *p++ = *game++;
9195 gameInfo.white = StrSave(buf);
9196 while (*game == ' ') game++;
9198 while (*game != ' ' && *game != '\n') *p++ = *game++;
9200 gameInfo.black = StrSave(buf);
9203 boardIndex = blackPlaysFirst ? 1 : 0;
9206 yyboardindex = boardIndex;
9207 moveType = (ChessMove) Myylex();
9209 case IllegalMove: /* maybe suicide chess, etc. */
9210 if (appData.debugMode) {
9211 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9212 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9213 setbuf(debugFP, NULL);
9215 case WhitePromotion:
9216 case BlackPromotion:
9217 case WhiteNonPromotion:
9218 case BlackNonPromotion:
9220 case WhiteCapturesEnPassant:
9221 case BlackCapturesEnPassant:
9222 case WhiteKingSideCastle:
9223 case WhiteQueenSideCastle:
9224 case BlackKingSideCastle:
9225 case BlackQueenSideCastle:
9226 case WhiteKingSideCastleWild:
9227 case WhiteQueenSideCastleWild:
9228 case BlackKingSideCastleWild:
9229 case BlackQueenSideCastleWild:
9231 case WhiteHSideCastleFR:
9232 case WhiteASideCastleFR:
9233 case BlackHSideCastleFR:
9234 case BlackASideCastleFR:
9236 fromX = currentMoveString[0] - AAA;
9237 fromY = currentMoveString[1] - ONE;
9238 toX = currentMoveString[2] - AAA;
9239 toY = currentMoveString[3] - ONE;
9240 promoChar = currentMoveString[4];
9244 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9245 fromX = moveType == WhiteDrop ?
9246 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9247 (int) CharToPiece(ToLower(currentMoveString[0]));
9249 toX = currentMoveString[2] - AAA;
9250 toY = currentMoveString[3] - ONE;
9251 promoChar = NULLCHAR;
9255 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9256 if (appData.debugMode) {
9257 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9258 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9259 setbuf(debugFP, NULL);
9261 DisplayError(buf, 0);
9263 case ImpossibleMove:
9265 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9266 if (appData.debugMode) {
9267 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9268 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9269 setbuf(debugFP, NULL);
9271 DisplayError(buf, 0);
9274 if (boardIndex < backwardMostMove) {
9275 /* Oops, gap. How did that happen? */
9276 DisplayError(_("Gap in move list"), 0);
9279 backwardMostMove = blackPlaysFirst ? 1 : 0;
9280 if (boardIndex > forwardMostMove) {
9281 forwardMostMove = boardIndex;
9285 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9286 strcat(parseList[boardIndex-1], " ");
9287 strcat(parseList[boardIndex-1], yy_text);
9299 case GameUnfinished:
9300 if (gameMode == IcsExamining) {
9301 if (boardIndex < backwardMostMove) {
9302 /* Oops, gap. How did that happen? */
9305 backwardMostMove = blackPlaysFirst ? 1 : 0;
9308 gameInfo.result = moveType;
9309 p = strchr(yy_text, '{');
9310 if (p == NULL) p = strchr(yy_text, '(');
9313 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9315 q = strchr(p, *p == '{' ? '}' : ')');
9316 if (q != NULL) *q = NULLCHAR;
9319 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9320 gameInfo.resultDetails = StrSave(p);
9323 if (boardIndex >= forwardMostMove &&
9324 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9325 backwardMostMove = blackPlaysFirst ? 1 : 0;
9328 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9329 fromY, fromX, toY, toX, promoChar,
9330 parseList[boardIndex]);
9331 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9332 /* currentMoveString is set as a side-effect of yylex */
9333 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9334 strcat(moveList[boardIndex], "\n");
9336 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9337 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9343 if(gameInfo.variant != VariantShogi)
9344 strcat(parseList[boardIndex - 1], "+");
9348 strcat(parseList[boardIndex - 1], "#");
9355 /* Apply a move to the given board */
9357 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9359 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9360 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9362 /* [HGM] compute & store e.p. status and castling rights for new position */
9363 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9365 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9366 oldEP = (signed char)board[EP_STATUS];
9367 board[EP_STATUS] = EP_NONE;
9369 if (fromY == DROP_RANK) {
9371 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9372 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9375 piece = board[toY][toX] = (ChessSquare) fromX;
9379 if( board[toY][toX] != EmptySquare )
9380 board[EP_STATUS] = EP_CAPTURE;
9382 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9383 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9384 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9386 if( board[fromY][fromX] == WhitePawn ) {
9387 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9388 board[EP_STATUS] = EP_PAWN_MOVE;
9390 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9391 gameInfo.variant != VariantBerolina || toX < fromX)
9392 board[EP_STATUS] = toX | berolina;
9393 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9394 gameInfo.variant != VariantBerolina || toX > fromX)
9395 board[EP_STATUS] = toX;
9398 if( board[fromY][fromX] == BlackPawn ) {
9399 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9400 board[EP_STATUS] = EP_PAWN_MOVE;
9401 if( toY-fromY== -2) {
9402 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9403 gameInfo.variant != VariantBerolina || toX < fromX)
9404 board[EP_STATUS] = toX | berolina;
9405 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9406 gameInfo.variant != VariantBerolina || toX > fromX)
9407 board[EP_STATUS] = toX;
9411 for(i=0; i<nrCastlingRights; i++) {
9412 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9413 board[CASTLING][i] == toX && castlingRank[i] == toY
9414 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9417 if(gameInfo.variant == VariantSChess) { // update virginity
9418 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9419 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9420 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9421 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9424 if (fromX == toX && fromY == toY) return;
9426 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9427 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9428 if(gameInfo.variant == VariantKnightmate)
9429 king += (int) WhiteUnicorn - (int) WhiteKing;
9431 /* Code added by Tord: */
9432 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9433 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9434 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9435 board[fromY][fromX] = EmptySquare;
9436 board[toY][toX] = EmptySquare;
9437 if((toX > fromX) != (piece == WhiteRook)) {
9438 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9440 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9442 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9443 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9444 board[fromY][fromX] = EmptySquare;
9445 board[toY][toX] = EmptySquare;
9446 if((toX > fromX) != (piece == BlackRook)) {
9447 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9449 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9451 /* End of code added by Tord */
9453 } else if (board[fromY][fromX] == king
9454 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9455 && toY == fromY && toX > fromX+1) {
9456 board[fromY][fromX] = EmptySquare;
9457 board[toY][toX] = king;
9458 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9459 board[fromY][BOARD_RGHT-1] = EmptySquare;
9460 } else if (board[fromY][fromX] == king
9461 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9462 && toY == fromY && toX < fromX-1) {
9463 board[fromY][fromX] = EmptySquare;
9464 board[toY][toX] = king;
9465 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9466 board[fromY][BOARD_LEFT] = EmptySquare;
9467 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9468 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9469 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9471 /* white pawn promotion */
9472 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9473 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9474 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9475 board[fromY][fromX] = EmptySquare;
9476 } else if ((fromY >= BOARD_HEIGHT>>1)
9478 && gameInfo.variant != VariantXiangqi
9479 && gameInfo.variant != VariantBerolina
9480 && (board[fromY][fromX] == WhitePawn)
9481 && (board[toY][toX] == EmptySquare)) {
9482 board[fromY][fromX] = EmptySquare;
9483 board[toY][toX] = WhitePawn;
9484 captured = board[toY - 1][toX];
9485 board[toY - 1][toX] = EmptySquare;
9486 } else if ((fromY == BOARD_HEIGHT-4)
9488 && gameInfo.variant == VariantBerolina
9489 && (board[fromY][fromX] == WhitePawn)
9490 && (board[toY][toX] == EmptySquare)) {
9491 board[fromY][fromX] = EmptySquare;
9492 board[toY][toX] = WhitePawn;
9493 if(oldEP & EP_BEROLIN_A) {
9494 captured = board[fromY][fromX-1];
9495 board[fromY][fromX-1] = EmptySquare;
9496 }else{ captured = board[fromY][fromX+1];
9497 board[fromY][fromX+1] = EmptySquare;
9499 } else if (board[fromY][fromX] == king
9500 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9501 && toY == fromY && toX > fromX+1) {
9502 board[fromY][fromX] = EmptySquare;
9503 board[toY][toX] = king;
9504 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9505 board[fromY][BOARD_RGHT-1] = EmptySquare;
9506 } else if (board[fromY][fromX] == king
9507 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9508 && toY == fromY && toX < fromX-1) {
9509 board[fromY][fromX] = EmptySquare;
9510 board[toY][toX] = king;
9511 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9512 board[fromY][BOARD_LEFT] = EmptySquare;
9513 } else if (fromY == 7 && fromX == 3
9514 && board[fromY][fromX] == BlackKing
9515 && toY == 7 && toX == 5) {
9516 board[fromY][fromX] = EmptySquare;
9517 board[toY][toX] = BlackKing;
9518 board[fromY][7] = EmptySquare;
9519 board[toY][4] = BlackRook;
9520 } else if (fromY == 7 && fromX == 3
9521 && board[fromY][fromX] == BlackKing
9522 && toY == 7 && toX == 1) {
9523 board[fromY][fromX] = EmptySquare;
9524 board[toY][toX] = BlackKing;
9525 board[fromY][0] = EmptySquare;
9526 board[toY][2] = BlackRook;
9527 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9528 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9529 && toY < promoRank && promoChar
9531 /* black pawn promotion */
9532 board[toY][toX] = CharToPiece(ToLower(promoChar));
9533 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9534 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9535 board[fromY][fromX] = EmptySquare;
9536 } else if ((fromY < BOARD_HEIGHT>>1)
9538 && gameInfo.variant != VariantXiangqi
9539 && gameInfo.variant != VariantBerolina
9540 && (board[fromY][fromX] == BlackPawn)
9541 && (board[toY][toX] == EmptySquare)) {
9542 board[fromY][fromX] = EmptySquare;
9543 board[toY][toX] = BlackPawn;
9544 captured = board[toY + 1][toX];
9545 board[toY + 1][toX] = EmptySquare;
9546 } else if ((fromY == 3)
9548 && gameInfo.variant == VariantBerolina
9549 && (board[fromY][fromX] == BlackPawn)
9550 && (board[toY][toX] == EmptySquare)) {
9551 board[fromY][fromX] = EmptySquare;
9552 board[toY][toX] = BlackPawn;
9553 if(oldEP & EP_BEROLIN_A) {
9554 captured = board[fromY][fromX-1];
9555 board[fromY][fromX-1] = EmptySquare;
9556 }else{ captured = board[fromY][fromX+1];
9557 board[fromY][fromX+1] = EmptySquare;
9560 board[toY][toX] = board[fromY][fromX];
9561 board[fromY][fromX] = EmptySquare;
9565 if (gameInfo.holdingsWidth != 0) {
9567 /* !!A lot more code needs to be written to support holdings */
9568 /* [HGM] OK, so I have written it. Holdings are stored in the */
9569 /* penultimate board files, so they are automaticlly stored */
9570 /* in the game history. */
9571 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9572 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9573 /* Delete from holdings, by decreasing count */
9574 /* and erasing image if necessary */
9575 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9576 if(p < (int) BlackPawn) { /* white drop */
9577 p -= (int)WhitePawn;
9578 p = PieceToNumber((ChessSquare)p);
9579 if(p >= gameInfo.holdingsSize) p = 0;
9580 if(--board[p][BOARD_WIDTH-2] <= 0)
9581 board[p][BOARD_WIDTH-1] = EmptySquare;
9582 if((int)board[p][BOARD_WIDTH-2] < 0)
9583 board[p][BOARD_WIDTH-2] = 0;
9584 } else { /* black drop */
9585 p -= (int)BlackPawn;
9586 p = PieceToNumber((ChessSquare)p);
9587 if(p >= gameInfo.holdingsSize) p = 0;
9588 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9589 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9590 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9591 board[BOARD_HEIGHT-1-p][1] = 0;
9594 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9595 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9596 /* [HGM] holdings: Add to holdings, if holdings exist */
9597 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9598 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9599 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9602 if (p >= (int) BlackPawn) {
9603 p -= (int)BlackPawn;
9604 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9605 /* in Shogi restore piece to its original first */
9606 captured = (ChessSquare) (DEMOTED captured);
9609 p = PieceToNumber((ChessSquare)p);
9610 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9611 board[p][BOARD_WIDTH-2]++;
9612 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9614 p -= (int)WhitePawn;
9615 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9616 captured = (ChessSquare) (DEMOTED captured);
9619 p = PieceToNumber((ChessSquare)p);
9620 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9621 board[BOARD_HEIGHT-1-p][1]++;
9622 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9625 } else if (gameInfo.variant == VariantAtomic) {
9626 if (captured != EmptySquare) {
9628 for (y = toY-1; y <= toY+1; y++) {
9629 for (x = toX-1; x <= toX+1; x++) {
9630 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9631 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9632 board[y][x] = EmptySquare;
9636 board[toY][toX] = EmptySquare;
9639 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9640 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9642 if(promoChar == '+') {
9643 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9644 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9645 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9646 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9647 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9648 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9649 board[toY][toX] = newPiece;
9651 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9652 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9653 // [HGM] superchess: take promotion piece out of holdings
9654 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9655 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9656 if(!--board[k][BOARD_WIDTH-2])
9657 board[k][BOARD_WIDTH-1] = EmptySquare;
9659 if(!--board[BOARD_HEIGHT-1-k][1])
9660 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9666 /* Updates forwardMostMove */
9668 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9670 // forwardMostMove++; // [HGM] bare: moved downstream
9672 (void) CoordsToAlgebraic(boards[forwardMostMove],
9673 PosFlags(forwardMostMove),
9674 fromY, fromX, toY, toX, promoChar,
9675 parseList[forwardMostMove]);
9677 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9678 int timeLeft; static int lastLoadFlag=0; int king, piece;
9679 piece = boards[forwardMostMove][fromY][fromX];
9680 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9681 if(gameInfo.variant == VariantKnightmate)
9682 king += (int) WhiteUnicorn - (int) WhiteKing;
9683 if(forwardMostMove == 0) {
9684 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9685 fprintf(serverMoves, "%s;", UserName());
9686 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9687 fprintf(serverMoves, "%s;", second.tidy);
9688 fprintf(serverMoves, "%s;", first.tidy);
9689 if(gameMode == MachinePlaysWhite)
9690 fprintf(serverMoves, "%s;", UserName());
9691 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9692 fprintf(serverMoves, "%s;", second.tidy);
9693 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9694 lastLoadFlag = loadFlag;
9696 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9697 // print castling suffix
9698 if( toY == fromY && piece == king ) {
9700 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9702 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9705 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9706 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9707 boards[forwardMostMove][toY][toX] == EmptySquare
9708 && fromX != toX && fromY != toY)
9709 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9711 if(promoChar != NULLCHAR) {
9712 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9713 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9714 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9715 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9718 char buf[MOVE_LEN*2], *p; int len;
9719 fprintf(serverMoves, "/%d/%d",
9720 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9721 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9722 else timeLeft = blackTimeRemaining/1000;
9723 fprintf(serverMoves, "/%d", timeLeft);
9724 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9725 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9726 if(p = strchr(buf, '=')) *p = NULLCHAR;
9727 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9728 fprintf(serverMoves, "/%s", buf);
9730 fflush(serverMoves);
9733 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9734 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9737 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9738 if (commentList[forwardMostMove+1] != NULL) {
9739 free(commentList[forwardMostMove+1]);
9740 commentList[forwardMostMove+1] = NULL;
9742 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9743 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9744 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9745 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9746 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9747 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9748 adjustedClock = FALSE;
9749 gameInfo.result = GameUnfinished;
9750 if (gameInfo.resultDetails != NULL) {
9751 free(gameInfo.resultDetails);
9752 gameInfo.resultDetails = NULL;
9754 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9755 moveList[forwardMostMove - 1]);
9756 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9762 if(gameInfo.variant != VariantShogi)
9763 strcat(parseList[forwardMostMove - 1], "+");
9767 strcat(parseList[forwardMostMove - 1], "#");
9773 /* Updates currentMove if not pausing */
9775 ShowMove (int fromX, int fromY, int toX, int toY)
9777 int instant = (gameMode == PlayFromGameFile) ?
9778 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9779 if(appData.noGUI) return;
9780 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9782 if (forwardMostMove == currentMove + 1) {
9783 AnimateMove(boards[forwardMostMove - 1],
9784 fromX, fromY, toX, toY);
9787 currentMove = forwardMostMove;
9790 if (instant) return;
9792 DisplayMove(currentMove - 1);
9793 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9794 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9795 SetHighlights(fromX, fromY, toX, toY);
9798 DrawPosition(FALSE, boards[currentMove]);
9799 DisplayBothClocks();
9800 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9804 SendEgtPath (ChessProgramState *cps)
9805 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9806 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9808 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9811 char c, *q = name+1, *r, *s;
9813 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9814 while(*p && *p != ',') *q++ = *p++;
9816 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9817 strcmp(name, ",nalimov:") == 0 ) {
9818 // take nalimov path from the menu-changeable option first, if it is defined
9819 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9820 SendToProgram(buf,cps); // send egtbpath command for nalimov
9822 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9823 (s = StrStr(appData.egtFormats, name)) != NULL) {
9824 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9825 s = r = StrStr(s, ":") + 1; // beginning of path info
9826 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9827 c = *r; *r = 0; // temporarily null-terminate path info
9828 *--q = 0; // strip of trailig ':' from name
9829 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9831 SendToProgram(buf,cps); // send egtbpath command for this format
9833 if(*p == ',') p++; // read away comma to position for next format name
9838 InitChessProgram (ChessProgramState *cps, int setup)
9839 /* setup needed to setup FRC opening position */
9841 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9842 if (appData.noChessProgram) return;
9843 hintRequested = FALSE;
9844 bookRequested = FALSE;
9846 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9847 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9848 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9849 if(cps->memSize) { /* [HGM] memory */
9850 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9851 SendToProgram(buf, cps);
9853 SendEgtPath(cps); /* [HGM] EGT */
9854 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9855 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9856 SendToProgram(buf, cps);
9859 SendToProgram(cps->initString, cps);
9860 if (gameInfo.variant != VariantNormal &&
9861 gameInfo.variant != VariantLoadable
9862 /* [HGM] also send variant if board size non-standard */
9863 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9865 char *v = VariantName(gameInfo.variant);
9866 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9867 /* [HGM] in protocol 1 we have to assume all variants valid */
9868 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9869 DisplayFatalError(buf, 0, 1);
9873 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9874 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9875 if( gameInfo.variant == VariantXiangqi )
9876 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9877 if( gameInfo.variant == VariantShogi )
9878 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9879 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9880 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9881 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9882 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9883 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9884 if( gameInfo.variant == VariantCourier )
9885 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9886 if( gameInfo.variant == VariantSuper )
9887 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9888 if( gameInfo.variant == VariantGreat )
9889 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9890 if( gameInfo.variant == VariantSChess )
9891 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9892 if( gameInfo.variant == VariantGrand )
9893 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9896 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9897 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9898 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9899 if(StrStr(cps->variants, b) == NULL) {
9900 // specific sized variant not known, check if general sizing allowed
9901 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9902 if(StrStr(cps->variants, "boardsize") == NULL) {
9903 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9904 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9905 DisplayFatalError(buf, 0, 1);
9908 /* [HGM] here we really should compare with the maximum supported board size */
9911 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9912 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9913 SendToProgram(buf, cps);
9915 currentlyInitializedVariant = gameInfo.variant;
9917 /* [HGM] send opening position in FRC to first engine */
9919 SendToProgram("force\n", cps);
9921 /* engine is now in force mode! Set flag to wake it up after first move. */
9922 setboardSpoiledMachineBlack = 1;
9926 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9927 SendToProgram(buf, cps);
9929 cps->maybeThinking = FALSE;
9930 cps->offeredDraw = 0;
9931 if (!appData.icsActive) {
9932 SendTimeControl(cps, movesPerSession, timeControl,
9933 timeIncrement, appData.searchDepth,
9936 if (appData.showThinking
9937 // [HGM] thinking: four options require thinking output to be sent
9938 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9940 SendToProgram("post\n", cps);
9942 SendToProgram("hard\n", cps);
9943 if (!appData.ponderNextMove) {
9944 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9945 it without being sure what state we are in first. "hard"
9946 is not a toggle, so that one is OK.
9948 SendToProgram("easy\n", cps);
9951 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9952 SendToProgram(buf, cps);
9954 cps->initDone = TRUE;
9955 ClearEngineOutputPane(cps == &second);
9960 ResendOptions (ChessProgramState *cps)
9961 { // send the stored value of the options
9964 Option *opt = cps->option;
9965 for(i=0; i<cps->nrOptions; i++, opt++) {
9970 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
9973 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
9976 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
9982 SendToProgram(buf, cps);
9987 StartChessProgram (ChessProgramState *cps)
9992 if (appData.noChessProgram) return;
9993 cps->initDone = FALSE;
9995 if (strcmp(cps->host, "localhost") == 0) {
9996 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9997 } else if (*appData.remoteShell == NULLCHAR) {
9998 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10000 if (*appData.remoteUser == NULLCHAR) {
10001 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10004 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10005 cps->host, appData.remoteUser, cps->program);
10007 err = StartChildProcess(buf, "", &cps->pr);
10011 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10012 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10013 if(cps != &first) return;
10014 appData.noChessProgram = TRUE;
10017 // DisplayFatalError(buf, err, 1);
10018 // cps->pr = NoProc;
10019 // cps->isr = NULL;
10023 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10024 if (cps->protocolVersion > 1) {
10025 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10026 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10027 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10028 cps->comboCnt = 0; // and values of combo boxes
10030 SendToProgram(buf, cps);
10031 if(cps->reload) ResendOptions(cps);
10033 SendToProgram("xboard\n", cps);
10038 TwoMachinesEventIfReady P((void))
10040 static int curMess = 0;
10041 if (first.lastPing != first.lastPong || !first.initDone) {
10042 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10043 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10046 if (second.lastPing != second.lastPong) {
10047 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10048 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10051 DisplayMessage("", ""); curMess = 0;
10053 TwoMachinesEvent();
10057 MakeName (char *template)
10061 static char buf[MSG_SIZ];
10065 clock = time((time_t *)NULL);
10066 tm = localtime(&clock);
10068 while(*p++ = *template++) if(p[-1] == '%') {
10069 switch(*template++) {
10070 case 0: *p = 0; return buf;
10071 case 'Y': i = tm->tm_year+1900; break;
10072 case 'y': i = tm->tm_year-100; break;
10073 case 'M': i = tm->tm_mon+1; break;
10074 case 'd': i = tm->tm_mday; break;
10075 case 'h': i = tm->tm_hour; break;
10076 case 'm': i = tm->tm_min; break;
10077 case 's': i = tm->tm_sec; break;
10080 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10086 CountPlayers (char *p)
10089 while(p = strchr(p, '\n')) p++, n++; // count participants
10094 WriteTourneyFile (char *results, FILE *f)
10095 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10096 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10097 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10098 // create a file with tournament description
10099 fprintf(f, "-participants {%s}\n", appData.participants);
10100 fprintf(f, "-seedBase %d\n", appData.seedBase);
10101 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10102 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10103 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10104 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10105 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10106 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10107 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10108 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10109 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10110 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10111 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10112 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10113 fprintf(f, "-polyglotBook %s\n", appData.polyglotBook);
10114 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10115 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10116 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10117 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10118 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10119 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10120 fprintf(f, "-smpCores %d\n", appData.smpCores);
10122 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10124 fprintf(f, "-mps %d\n", appData.movesPerSession);
10125 fprintf(f, "-tc %s\n", appData.timeControl);
10126 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10128 fprintf(f, "-results \"%s\"\n", results);
10133 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10136 Substitute (char *participants, int expunge)
10138 int i, changed, changes=0, nPlayers=0;
10139 char *p, *q, *r, buf[MSG_SIZ];
10140 if(participants == NULL) return;
10141 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10142 r = p = participants; q = appData.participants;
10143 while(*p && *p == *q) {
10144 if(*p == '\n') r = p+1, nPlayers++;
10147 if(*p) { // difference
10148 while(*p && *p++ != '\n');
10149 while(*q && *q++ != '\n');
10150 changed = nPlayers;
10151 changes = 1 + (strcmp(p, q) != 0);
10153 if(changes == 1) { // a single engine mnemonic was changed
10154 q = r; while(*q) nPlayers += (*q++ == '\n');
10155 p = buf; while(*r && (*p = *r++) != '\n') p++;
10157 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10158 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10159 if(mnemonic[i]) { // The substitute is valid
10161 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10162 flock(fileno(f), LOCK_EX);
10163 ParseArgsFromFile(f);
10164 fseek(f, 0, SEEK_SET);
10165 FREE(appData.participants); appData.participants = participants;
10166 if(expunge) { // erase results of replaced engine
10167 int len = strlen(appData.results), w, b, dummy;
10168 for(i=0; i<len; i++) {
10169 Pairing(i, nPlayers, &w, &b, &dummy);
10170 if((w == changed || b == changed) && appData.results[i] == '*') {
10171 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10176 for(i=0; i<len; i++) {
10177 Pairing(i, nPlayers, &w, &b, &dummy);
10178 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10181 WriteTourneyFile(appData.results, f);
10182 fclose(f); // release lock
10185 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10187 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10188 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10189 free(participants);
10194 CheckPlayers (char *participants)
10197 char buf[MSG_SIZ], *p;
10198 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10199 while(p = strchr(participants, '\n')) {
10201 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10203 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10205 DisplayError(buf, 0);
10209 participants = p + 1;
10215 CreateTourney (char *name)
10218 if(matchMode && strcmp(name, appData.tourneyFile)) {
10219 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10221 if(name[0] == NULLCHAR) {
10222 if(appData.participants[0])
10223 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10226 f = fopen(name, "r");
10227 if(f) { // file exists
10228 ASSIGN(appData.tourneyFile, name);
10229 ParseArgsFromFile(f); // parse it
10231 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10232 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10233 DisplayError(_("Not enough participants"), 0);
10236 if(CheckPlayers(appData.participants)) return 0;
10237 ASSIGN(appData.tourneyFile, name);
10238 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10239 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10242 appData.noChessProgram = FALSE;
10243 appData.clockMode = TRUE;
10249 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10251 char buf[MSG_SIZ], *p, *q;
10252 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10253 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10254 skip = !all && group[0]; // if group requested, we start in skip mode
10255 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10256 p = names; q = buf; header = 0;
10257 while(*p && *p != '\n') *q++ = *p++;
10259 if(*p == '\n') p++;
10260 if(buf[0] == '#') {
10261 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10262 depth++; // we must be entering a new group
10263 if(all) continue; // suppress printing group headers when complete list requested
10265 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10267 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10268 if(engineList[i]) free(engineList[i]);
10269 engineList[i] = strdup(buf);
10270 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10271 if(engineMnemonic[i]) free(engineMnemonic[i]);
10272 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10274 sscanf(q + 8, "%s", buf + strlen(buf));
10277 engineMnemonic[i] = strdup(buf);
10280 engineList[i] = engineMnemonic[i] = NULL;
10284 // following implemented as macro to avoid type limitations
10285 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10288 SwapEngines (int n)
10289 { // swap settings for first engine and other engine (so far only some selected options)
10294 SWAP(chessProgram, p)
10296 SWAP(hasOwnBookUCI, h)
10297 SWAP(protocolVersion, h)
10299 SWAP(scoreIsAbsolute, h)
10304 SWAP(engOptions, p)
10305 SWAP(engInitString, p)
10306 SWAP(computerString, p)
10308 SWAP(fenOverride, p)
10310 SWAP(accumulateTC, h)
10315 GetEngineLine (char *s, int n)
10319 extern char *icsNames;
10320 if(!s || !*s) return 0;
10321 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10322 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10323 if(!mnemonic[i]) return 0;
10324 if(n == 11) return 1; // just testing if there was a match
10325 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10326 if(n == 1) SwapEngines(n);
10327 ParseArgsFromString(buf);
10328 if(n == 1) SwapEngines(n);
10329 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10330 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10331 ParseArgsFromString(buf);
10337 SetPlayer (int player, char *p)
10338 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10340 char buf[MSG_SIZ], *engineName;
10341 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10342 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10343 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10345 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10346 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10347 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10348 ParseArgsFromString(buf);
10354 char *recentEngines;
10357 RecentEngineEvent (int nr)
10360 // SwapEngines(1); // bump first to second
10361 // ReplaceEngine(&second, 1); // and load it there
10362 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10363 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10364 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10365 ReplaceEngine(&first, 0);
10366 FloatToFront(&appData.recentEngineList, command[n]);
10371 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10372 { // determine players from game number
10373 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10375 if(appData.tourneyType == 0) {
10376 roundsPerCycle = (nPlayers - 1) | 1;
10377 pairingsPerRound = nPlayers / 2;
10378 } else if(appData.tourneyType > 0) {
10379 roundsPerCycle = nPlayers - appData.tourneyType;
10380 pairingsPerRound = appData.tourneyType;
10382 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10383 gamesPerCycle = gamesPerRound * roundsPerCycle;
10384 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10385 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10386 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10387 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10388 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10389 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10391 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10392 if(appData.roundSync) *syncInterval = gamesPerRound;
10394 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10396 if(appData.tourneyType == 0) {
10397 if(curPairing == (nPlayers-1)/2 ) {
10398 *whitePlayer = curRound;
10399 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10401 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10402 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10403 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10404 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10406 } else if(appData.tourneyType > 1) {
10407 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10408 *whitePlayer = curRound + appData.tourneyType;
10409 } else if(appData.tourneyType > 0) {
10410 *whitePlayer = curPairing;
10411 *blackPlayer = curRound + appData.tourneyType;
10414 // take care of white/black alternation per round.
10415 // For cycles and games this is already taken care of by default, derived from matchGame!
10416 return curRound & 1;
10420 NextTourneyGame (int nr, int *swapColors)
10421 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10423 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10425 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10426 tf = fopen(appData.tourneyFile, "r");
10427 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10428 ParseArgsFromFile(tf); fclose(tf);
10429 InitTimeControls(); // TC might be altered from tourney file
10431 nPlayers = CountPlayers(appData.participants); // count participants
10432 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10433 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10436 p = q = appData.results;
10437 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10438 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10439 DisplayMessage(_("Waiting for other game(s)"),"");
10440 waitingForGame = TRUE;
10441 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10444 waitingForGame = FALSE;
10447 if(appData.tourneyType < 0) {
10448 if(nr>=0 && !pairingReceived) {
10450 if(pairing.pr == NoProc) {
10451 if(!appData.pairingEngine[0]) {
10452 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10455 StartChessProgram(&pairing); // starts the pairing engine
10457 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10458 SendToProgram(buf, &pairing);
10459 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10460 SendToProgram(buf, &pairing);
10461 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10463 pairingReceived = 0; // ... so we continue here
10465 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10466 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10467 matchGame = 1; roundNr = nr / syncInterval + 1;
10470 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10472 // redefine engines, engine dir, etc.
10473 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10474 if(first.pr == NoProc) {
10475 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10476 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10478 if(second.pr == NoProc) {
10480 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10481 SwapEngines(1); // and make that valid for second engine by swapping
10482 InitEngine(&second, 1);
10484 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10485 UpdateLogos(FALSE); // leave display to ModeHiglight()
10491 { // performs game initialization that does not invoke engines, and then tries to start the game
10492 int res, firstWhite, swapColors = 0;
10493 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10494 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
10496 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10497 if(strcmp(buf, currentDebugFile)) { // name has changed
10498 FILE *f = fopen(buf, "w");
10499 if(f) { // if opening the new file failed, just keep using the old one
10500 ASSIGN(currentDebugFile, buf);
10504 if(appData.serverFileName) {
10505 if(serverFP) fclose(serverFP);
10506 serverFP = fopen(appData.serverFileName, "w");
10507 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10508 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10512 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10513 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10514 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10515 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10516 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10517 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10518 Reset(FALSE, first.pr != NoProc);
10519 res = LoadGameOrPosition(matchGame); // setup game
10520 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10521 if(!res) return; // abort when bad game/pos file
10522 TwoMachinesEvent();
10526 UserAdjudicationEvent (int result)
10528 ChessMove gameResult = GameIsDrawn;
10531 gameResult = WhiteWins;
10533 else if( result < 0 ) {
10534 gameResult = BlackWins;
10537 if( gameMode == TwoMachinesPlay ) {
10538 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10543 // [HGM] save: calculate checksum of game to make games easily identifiable
10545 StringCheckSum (char *s)
10548 if(s==NULL) return 0;
10549 while(*s) i = i*259 + *s++;
10557 for(i=backwardMostMove; i<forwardMostMove; i++) {
10558 sum += pvInfoList[i].depth;
10559 sum += StringCheckSum(parseList[i]);
10560 sum += StringCheckSum(commentList[i]);
10563 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10564 return sum + StringCheckSum(commentList[i]);
10565 } // end of save patch
10568 GameEnds (ChessMove result, char *resultDetails, int whosays)
10570 GameMode nextGameMode;
10572 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10574 if(endingGame) return; /* [HGM] crash: forbid recursion */
10576 if(twoBoards) { // [HGM] dual: switch back to one board
10577 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10578 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10580 if (appData.debugMode) {
10581 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10582 result, resultDetails ? resultDetails : "(null)", whosays);
10585 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10587 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10589 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10590 /* If we are playing on ICS, the server decides when the
10591 game is over, but the engine can offer to draw, claim
10595 if (appData.zippyPlay && first.initDone) {
10596 if (result == GameIsDrawn) {
10597 /* In case draw still needs to be claimed */
10598 SendToICS(ics_prefix);
10599 SendToICS("draw\n");
10600 } else if (StrCaseStr(resultDetails, "resign")) {
10601 SendToICS(ics_prefix);
10602 SendToICS("resign\n");
10606 endingGame = 0; /* [HGM] crash */
10610 /* If we're loading the game from a file, stop */
10611 if (whosays == GE_FILE) {
10612 (void) StopLoadGameTimer();
10616 /* Cancel draw offers */
10617 first.offeredDraw = second.offeredDraw = 0;
10619 /* If this is an ICS game, only ICS can really say it's done;
10620 if not, anyone can. */
10621 isIcsGame = (gameMode == IcsPlayingWhite ||
10622 gameMode == IcsPlayingBlack ||
10623 gameMode == IcsObserving ||
10624 gameMode == IcsExamining);
10626 if (!isIcsGame || whosays == GE_ICS) {
10627 /* OK -- not an ICS game, or ICS said it was done */
10629 if (!isIcsGame && !appData.noChessProgram)
10630 SetUserThinkingEnables();
10632 /* [HGM] if a machine claims the game end we verify this claim */
10633 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10634 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10636 ChessMove trueResult = (ChessMove) -1;
10638 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10639 first.twoMachinesColor[0] :
10640 second.twoMachinesColor[0] ;
10642 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10643 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10644 /* [HGM] verify: engine mate claims accepted if they were flagged */
10645 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10647 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10648 /* [HGM] verify: engine mate claims accepted if they were flagged */
10649 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10651 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10652 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10655 // now verify win claims, but not in drop games, as we don't understand those yet
10656 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10657 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10658 (result == WhiteWins && claimer == 'w' ||
10659 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10660 if (appData.debugMode) {
10661 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10662 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10664 if(result != trueResult) {
10665 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10666 result = claimer == 'w' ? BlackWins : WhiteWins;
10667 resultDetails = buf;
10670 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10671 && (forwardMostMove <= backwardMostMove ||
10672 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10673 (claimer=='b')==(forwardMostMove&1))
10675 /* [HGM] verify: draws that were not flagged are false claims */
10676 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10677 result = claimer == 'w' ? BlackWins : WhiteWins;
10678 resultDetails = buf;
10680 /* (Claiming a loss is accepted no questions asked!) */
10681 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10682 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10683 result = GameUnfinished;
10684 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10686 /* [HGM] bare: don't allow bare King to win */
10687 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10688 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10689 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10690 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10691 && result != GameIsDrawn)
10692 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10693 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10694 int p = (signed char)boards[forwardMostMove][i][j] - color;
10695 if(p >= 0 && p <= (int)WhiteKing) k++;
10697 if (appData.debugMode) {
10698 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10699 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10702 result = GameIsDrawn;
10703 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10704 resultDetails = buf;
10710 if(serverMoves != NULL && !loadFlag) { char c = '=';
10711 if(result==WhiteWins) c = '+';
10712 if(result==BlackWins) c = '-';
10713 if(resultDetails != NULL)
10714 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10716 if (resultDetails != NULL) {
10717 gameInfo.result = result;
10718 gameInfo.resultDetails = StrSave(resultDetails);
10720 /* display last move only if game was not loaded from file */
10721 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10722 DisplayMove(currentMove - 1);
10724 if (forwardMostMove != 0) {
10725 if (gameMode != PlayFromGameFile && gameMode != EditGame
10726 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10728 if (*appData.saveGameFile != NULLCHAR) {
10729 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10730 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10732 SaveGameToFile(appData.saveGameFile, TRUE);
10733 } else if (appData.autoSaveGames) {
10736 if (*appData.savePositionFile != NULLCHAR) {
10737 SavePositionToFile(appData.savePositionFile);
10739 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10743 /* Tell program how game ended in case it is learning */
10744 /* [HGM] Moved this to after saving the PGN, just in case */
10745 /* engine died and we got here through time loss. In that */
10746 /* case we will get a fatal error writing the pipe, which */
10747 /* would otherwise lose us the PGN. */
10748 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10749 /* output during GameEnds should never be fatal anymore */
10750 if (gameMode == MachinePlaysWhite ||
10751 gameMode == MachinePlaysBlack ||
10752 gameMode == TwoMachinesPlay ||
10753 gameMode == IcsPlayingWhite ||
10754 gameMode == IcsPlayingBlack ||
10755 gameMode == BeginningOfGame) {
10757 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10759 if (first.pr != NoProc) {
10760 SendToProgram(buf, &first);
10762 if (second.pr != NoProc &&
10763 gameMode == TwoMachinesPlay) {
10764 SendToProgram(buf, &second);
10769 if (appData.icsActive) {
10770 if (appData.quietPlay &&
10771 (gameMode == IcsPlayingWhite ||
10772 gameMode == IcsPlayingBlack)) {
10773 SendToICS(ics_prefix);
10774 SendToICS("set shout 1\n");
10776 nextGameMode = IcsIdle;
10777 ics_user_moved = FALSE;
10778 /* clean up premove. It's ugly when the game has ended and the
10779 * premove highlights are still on the board.
10782 gotPremove = FALSE;
10783 ClearPremoveHighlights();
10784 DrawPosition(FALSE, boards[currentMove]);
10786 if (whosays == GE_ICS) {
10789 if (gameMode == IcsPlayingWhite)
10791 else if(gameMode == IcsPlayingBlack)
10792 PlayIcsLossSound();
10795 if (gameMode == IcsPlayingBlack)
10797 else if(gameMode == IcsPlayingWhite)
10798 PlayIcsLossSound();
10801 PlayIcsDrawSound();
10804 PlayIcsUnfinishedSound();
10807 } else if (gameMode == EditGame ||
10808 gameMode == PlayFromGameFile ||
10809 gameMode == AnalyzeMode ||
10810 gameMode == AnalyzeFile) {
10811 nextGameMode = gameMode;
10813 nextGameMode = EndOfGame;
10818 nextGameMode = gameMode;
10821 if (appData.noChessProgram) {
10822 gameMode = nextGameMode;
10824 endingGame = 0; /* [HGM] crash */
10829 /* Put first chess program into idle state */
10830 if (first.pr != NoProc &&
10831 (gameMode == MachinePlaysWhite ||
10832 gameMode == MachinePlaysBlack ||
10833 gameMode == TwoMachinesPlay ||
10834 gameMode == IcsPlayingWhite ||
10835 gameMode == IcsPlayingBlack ||
10836 gameMode == BeginningOfGame)) {
10837 SendToProgram("force\n", &first);
10838 if (first.usePing) {
10840 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10841 SendToProgram(buf, &first);
10844 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10845 /* Kill off first chess program */
10846 if (first.isr != NULL)
10847 RemoveInputSource(first.isr);
10850 if (first.pr != NoProc) {
10852 DoSleep( appData.delayBeforeQuit );
10853 SendToProgram("quit\n", &first);
10854 DoSleep( appData.delayAfterQuit );
10855 DestroyChildProcess(first.pr, first.useSigterm);
10856 first.reload = TRUE;
10860 if (second.reuse) {
10861 /* Put second chess program into idle state */
10862 if (second.pr != NoProc &&
10863 gameMode == TwoMachinesPlay) {
10864 SendToProgram("force\n", &second);
10865 if (second.usePing) {
10867 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10868 SendToProgram(buf, &second);
10871 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10872 /* Kill off second chess program */
10873 if (second.isr != NULL)
10874 RemoveInputSource(second.isr);
10877 if (second.pr != NoProc) {
10878 DoSleep( appData.delayBeforeQuit );
10879 SendToProgram("quit\n", &second);
10880 DoSleep( appData.delayAfterQuit );
10881 DestroyChildProcess(second.pr, second.useSigterm);
10882 second.reload = TRUE;
10884 second.pr = NoProc;
10887 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10888 char resChar = '=';
10892 if (first.twoMachinesColor[0] == 'w') {
10895 second.matchWins++;
10900 if (first.twoMachinesColor[0] == 'b') {
10903 second.matchWins++;
10906 case GameUnfinished:
10912 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10913 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10914 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10915 ReserveGame(nextGame, resChar); // sets nextGame
10916 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10917 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10918 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10920 if (nextGame <= appData.matchGames && !abortMatch) {
10921 gameMode = nextGameMode;
10922 matchGame = nextGame; // this will be overruled in tourney mode!
10923 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10924 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10925 endingGame = 0; /* [HGM] crash */
10928 gameMode = nextGameMode;
10929 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10930 first.tidy, second.tidy,
10931 first.matchWins, second.matchWins,
10932 appData.matchGames - (first.matchWins + second.matchWins));
10933 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10934 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10935 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10936 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10937 first.twoMachinesColor = "black\n";
10938 second.twoMachinesColor = "white\n";
10940 first.twoMachinesColor = "white\n";
10941 second.twoMachinesColor = "black\n";
10945 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10946 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10948 gameMode = nextGameMode;
10950 endingGame = 0; /* [HGM] crash */
10951 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10952 if(matchMode == TRUE) { // match through command line: exit with or without popup
10954 ToNrEvent(forwardMostMove);
10955 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10957 } else DisplayFatalError(buf, 0, 0);
10958 } else { // match through menu; just stop, with or without popup
10959 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10962 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10963 } else DisplayNote(buf);
10965 if(ranking) free(ranking);
10969 /* Assumes program was just initialized (initString sent).
10970 Leaves program in force mode. */
10972 FeedMovesToProgram (ChessProgramState *cps, int upto)
10976 if (appData.debugMode)
10977 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10978 startedFromSetupPosition ? "position and " : "",
10979 backwardMostMove, upto, cps->which);
10980 if(currentlyInitializedVariant != gameInfo.variant) {
10982 // [HGM] variantswitch: make engine aware of new variant
10983 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10984 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10985 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10986 SendToProgram(buf, cps);
10987 currentlyInitializedVariant = gameInfo.variant;
10989 SendToProgram("force\n", cps);
10990 if (startedFromSetupPosition) {
10991 SendBoard(cps, backwardMostMove);
10992 if (appData.debugMode) {
10993 fprintf(debugFP, "feedMoves\n");
10996 for (i = backwardMostMove; i < upto; i++) {
10997 SendMoveToProgram(i, cps);
11003 ResurrectChessProgram ()
11005 /* The chess program may have exited.
11006 If so, restart it and feed it all the moves made so far. */
11007 static int doInit = 0;
11009 if (appData.noChessProgram) return 1;
11011 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11012 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
11013 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11014 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11016 if (first.pr != NoProc) return 1;
11017 StartChessProgram(&first);
11019 InitChessProgram(&first, FALSE);
11020 FeedMovesToProgram(&first, currentMove);
11022 if (!first.sendTime) {
11023 /* can't tell gnuchess what its clock should read,
11024 so we bow to its notion. */
11026 timeRemaining[0][currentMove] = whiteTimeRemaining;
11027 timeRemaining[1][currentMove] = blackTimeRemaining;
11030 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11031 appData.icsEngineAnalyze) && first.analysisSupport) {
11032 SendToProgram("analyze\n", &first);
11033 first.analyzing = TRUE;
11039 * Button procedures
11042 Reset (int redraw, int init)
11046 if (appData.debugMode) {
11047 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11048 redraw, init, gameMode);
11050 CleanupTail(); // [HGM] vari: delete any stored variations
11051 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11052 pausing = pauseExamInvalid = FALSE;
11053 startedFromSetupPosition = blackPlaysFirst = FALSE;
11055 whiteFlag = blackFlag = FALSE;
11056 userOfferedDraw = FALSE;
11057 hintRequested = bookRequested = FALSE;
11058 first.maybeThinking = FALSE;
11059 second.maybeThinking = FALSE;
11060 first.bookSuspend = FALSE; // [HGM] book
11061 second.bookSuspend = FALSE;
11062 thinkOutput[0] = NULLCHAR;
11063 lastHint[0] = NULLCHAR;
11064 ClearGameInfo(&gameInfo);
11065 gameInfo.variant = StringToVariant(appData.variant);
11066 ics_user_moved = ics_clock_paused = FALSE;
11067 ics_getting_history = H_FALSE;
11069 white_holding[0] = black_holding[0] = NULLCHAR;
11070 ClearProgramStats();
11071 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11075 flipView = appData.flipView;
11076 ClearPremoveHighlights();
11077 gotPremove = FALSE;
11078 alarmSounded = FALSE;
11080 GameEnds(EndOfFile, NULL, GE_PLAYER);
11081 if(appData.serverMovesName != NULL) {
11082 /* [HGM] prepare to make moves file for broadcasting */
11083 clock_t t = clock();
11084 if(serverMoves != NULL) fclose(serverMoves);
11085 serverMoves = fopen(appData.serverMovesName, "r");
11086 if(serverMoves != NULL) {
11087 fclose(serverMoves);
11088 /* delay 15 sec before overwriting, so all clients can see end */
11089 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11091 serverMoves = fopen(appData.serverMovesName, "w");
11095 gameMode = BeginningOfGame;
11097 if(appData.icsActive) gameInfo.variant = VariantNormal;
11098 currentMove = forwardMostMove = backwardMostMove = 0;
11099 MarkTargetSquares(1);
11100 InitPosition(redraw);
11101 for (i = 0; i < MAX_MOVES; i++) {
11102 if (commentList[i] != NULL) {
11103 free(commentList[i]);
11104 commentList[i] = NULL;
11108 timeRemaining[0][0] = whiteTimeRemaining;
11109 timeRemaining[1][0] = blackTimeRemaining;
11111 if (first.pr == NoProc) {
11112 StartChessProgram(&first);
11115 InitChessProgram(&first, startedFromSetupPosition);
11118 DisplayMessage("", "");
11119 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11120 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11121 ClearMap(); // [HGM] exclude: invalidate map
11125 AutoPlayGameLoop ()
11128 if (!AutoPlayOneMove())
11130 if (matchMode || appData.timeDelay == 0)
11132 if (appData.timeDelay < 0)
11134 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11142 ReloadGame(1); // next game
11148 int fromX, fromY, toX, toY;
11150 if (appData.debugMode) {
11151 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11154 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11157 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11158 pvInfoList[currentMove].depth = programStats.depth;
11159 pvInfoList[currentMove].score = programStats.score;
11160 pvInfoList[currentMove].time = 0;
11161 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11164 if (currentMove >= forwardMostMove) {
11165 if(gameMode == AnalyzeFile) {
11166 if(appData.loadGameIndex == -1) {
11167 GameEnds(EndOfFile, NULL, GE_FILE);
11168 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11170 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11173 // gameMode = EndOfGame;
11174 // ModeHighlight();
11176 /* [AS] Clear current move marker at the end of a game */
11177 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11182 toX = moveList[currentMove][2] - AAA;
11183 toY = moveList[currentMove][3] - ONE;
11185 if (moveList[currentMove][1] == '@') {
11186 if (appData.highlightLastMove) {
11187 SetHighlights(-1, -1, toX, toY);
11190 fromX = moveList[currentMove][0] - AAA;
11191 fromY = moveList[currentMove][1] - ONE;
11193 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11195 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11197 if (appData.highlightLastMove) {
11198 SetHighlights(fromX, fromY, toX, toY);
11201 DisplayMove(currentMove);
11202 SendMoveToProgram(currentMove++, &first);
11203 DisplayBothClocks();
11204 DrawPosition(FALSE, boards[currentMove]);
11205 // [HGM] PV info: always display, routine tests if empty
11206 DisplayComment(currentMove - 1, commentList[currentMove]);
11212 LoadGameOneMove (ChessMove readAhead)
11214 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11215 char promoChar = NULLCHAR;
11216 ChessMove moveType;
11217 char move[MSG_SIZ];
11220 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11221 gameMode != AnalyzeMode && gameMode != Training) {
11226 yyboardindex = forwardMostMove;
11227 if (readAhead != EndOfFile) {
11228 moveType = readAhead;
11230 if (gameFileFP == NULL)
11232 moveType = (ChessMove) Myylex();
11236 switch (moveType) {
11238 if (appData.debugMode)
11239 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11242 /* append the comment but don't display it */
11243 AppendComment(currentMove, p, FALSE);
11246 case WhiteCapturesEnPassant:
11247 case BlackCapturesEnPassant:
11248 case WhitePromotion:
11249 case BlackPromotion:
11250 case WhiteNonPromotion:
11251 case BlackNonPromotion:
11253 case WhiteKingSideCastle:
11254 case WhiteQueenSideCastle:
11255 case BlackKingSideCastle:
11256 case BlackQueenSideCastle:
11257 case WhiteKingSideCastleWild:
11258 case WhiteQueenSideCastleWild:
11259 case BlackKingSideCastleWild:
11260 case BlackQueenSideCastleWild:
11262 case WhiteHSideCastleFR:
11263 case WhiteASideCastleFR:
11264 case BlackHSideCastleFR:
11265 case BlackASideCastleFR:
11267 if (appData.debugMode)
11268 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11269 fromX = currentMoveString[0] - AAA;
11270 fromY = currentMoveString[1] - ONE;
11271 toX = currentMoveString[2] - AAA;
11272 toY = currentMoveString[3] - ONE;
11273 promoChar = currentMoveString[4];
11278 if (appData.debugMode)
11279 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11280 fromX = moveType == WhiteDrop ?
11281 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11282 (int) CharToPiece(ToLower(currentMoveString[0]));
11284 toX = currentMoveString[2] - AAA;
11285 toY = currentMoveString[3] - ONE;
11291 case GameUnfinished:
11292 if (appData.debugMode)
11293 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11294 p = strchr(yy_text, '{');
11295 if (p == NULL) p = strchr(yy_text, '(');
11298 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11300 q = strchr(p, *p == '{' ? '}' : ')');
11301 if (q != NULL) *q = NULLCHAR;
11304 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11305 GameEnds(moveType, p, GE_FILE);
11307 if (cmailMsgLoaded) {
11309 flipView = WhiteOnMove(currentMove);
11310 if (moveType == GameUnfinished) flipView = !flipView;
11311 if (appData.debugMode)
11312 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11317 if (appData.debugMode)
11318 fprintf(debugFP, "Parser hit end of file\n");
11319 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11325 if (WhiteOnMove(currentMove)) {
11326 GameEnds(BlackWins, "Black mates", GE_FILE);
11328 GameEnds(WhiteWins, "White mates", GE_FILE);
11332 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11338 case MoveNumberOne:
11339 if (lastLoadGameStart == GNUChessGame) {
11340 /* GNUChessGames have numbers, but they aren't move numbers */
11341 if (appData.debugMode)
11342 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11343 yy_text, (int) moveType);
11344 return LoadGameOneMove(EndOfFile); /* tail recursion */
11346 /* else fall thru */
11351 /* Reached start of next game in file */
11352 if (appData.debugMode)
11353 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11354 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11360 if (WhiteOnMove(currentMove)) {
11361 GameEnds(BlackWins, "Black mates", GE_FILE);
11363 GameEnds(WhiteWins, "White mates", GE_FILE);
11367 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11373 case PositionDiagram: /* should not happen; ignore */
11374 case ElapsedTime: /* ignore */
11375 case NAG: /* ignore */
11376 if (appData.debugMode)
11377 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11378 yy_text, (int) moveType);
11379 return LoadGameOneMove(EndOfFile); /* tail recursion */
11382 if (appData.testLegality) {
11383 if (appData.debugMode)
11384 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11385 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11386 (forwardMostMove / 2) + 1,
11387 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11388 DisplayError(move, 0);
11391 if (appData.debugMode)
11392 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11393 yy_text, currentMoveString);
11394 fromX = currentMoveString[0] - AAA;
11395 fromY = currentMoveString[1] - ONE;
11396 toX = currentMoveString[2] - AAA;
11397 toY = currentMoveString[3] - ONE;
11398 promoChar = currentMoveString[4];
11402 case AmbiguousMove:
11403 if (appData.debugMode)
11404 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11405 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11406 (forwardMostMove / 2) + 1,
11407 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11408 DisplayError(move, 0);
11413 case ImpossibleMove:
11414 if (appData.debugMode)
11415 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11416 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11417 (forwardMostMove / 2) + 1,
11418 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11419 DisplayError(move, 0);
11425 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11426 DrawPosition(FALSE, boards[currentMove]);
11427 DisplayBothClocks();
11428 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11429 DisplayComment(currentMove - 1, commentList[currentMove]);
11431 (void) StopLoadGameTimer();
11433 cmailOldMove = forwardMostMove;
11436 /* currentMoveString is set as a side-effect of yylex */
11438 thinkOutput[0] = NULLCHAR;
11439 MakeMove(fromX, fromY, toX, toY, promoChar);
11440 currentMove = forwardMostMove;
11445 /* Load the nth game from the given file */
11447 LoadGameFromFile (char *filename, int n, char *title, int useList)
11452 if (strcmp(filename, "-") == 0) {
11456 f = fopen(filename, "rb");
11458 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11459 DisplayError(buf, errno);
11463 if (fseek(f, 0, 0) == -1) {
11464 /* f is not seekable; probably a pipe */
11467 if (useList && n == 0) {
11468 int error = GameListBuild(f);
11470 DisplayError(_("Cannot build game list"), error);
11471 } else if (!ListEmpty(&gameList) &&
11472 ((ListGame *) gameList.tailPred)->number > 1) {
11473 GameListPopUp(f, title);
11480 return LoadGame(f, n, title, FALSE);
11485 MakeRegisteredMove ()
11487 int fromX, fromY, toX, toY;
11489 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11490 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11493 if (appData.debugMode)
11494 fprintf(debugFP, "Restoring %s for game %d\n",
11495 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11497 thinkOutput[0] = NULLCHAR;
11498 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11499 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11500 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11501 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11502 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11503 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11504 MakeMove(fromX, fromY, toX, toY, promoChar);
11505 ShowMove(fromX, fromY, toX, toY);
11507 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11514 if (WhiteOnMove(currentMove)) {
11515 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11517 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11522 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11529 if (WhiteOnMove(currentMove)) {
11530 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11532 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11537 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11548 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11550 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11554 if (gameNumber > nCmailGames) {
11555 DisplayError(_("No more games in this message"), 0);
11558 if (f == lastLoadGameFP) {
11559 int offset = gameNumber - lastLoadGameNumber;
11561 cmailMsg[0] = NULLCHAR;
11562 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11563 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11564 nCmailMovesRegistered--;
11566 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11567 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11568 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11571 if (! RegisterMove()) return FALSE;
11575 retVal = LoadGame(f, gameNumber, title, useList);
11577 /* Make move registered during previous look at this game, if any */
11578 MakeRegisteredMove();
11580 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11581 commentList[currentMove]
11582 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11583 DisplayComment(currentMove - 1, commentList[currentMove]);
11589 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11591 ReloadGame (int offset)
11593 int gameNumber = lastLoadGameNumber + offset;
11594 if (lastLoadGameFP == NULL) {
11595 DisplayError(_("No game has been loaded yet"), 0);
11598 if (gameNumber <= 0) {
11599 DisplayError(_("Can't back up any further"), 0);
11602 if (cmailMsgLoaded) {
11603 return CmailLoadGame(lastLoadGameFP, gameNumber,
11604 lastLoadGameTitle, lastLoadGameUseList);
11606 return LoadGame(lastLoadGameFP, gameNumber,
11607 lastLoadGameTitle, lastLoadGameUseList);
11611 int keys[EmptySquare+1];
11614 PositionMatches (Board b1, Board b2)
11617 switch(appData.searchMode) {
11618 case 1: return CompareWithRights(b1, b2);
11620 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11621 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11625 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11626 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11627 sum += keys[b1[r][f]] - keys[b2[r][f]];
11631 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11632 sum += keys[b1[r][f]] - keys[b2[r][f]];
11644 int pieceList[256], quickBoard[256];
11645 ChessSquare pieceType[256] = { EmptySquare };
11646 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11647 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11648 int soughtTotal, turn;
11649 Boolean epOK, flipSearch;
11652 unsigned char piece, to;
11655 #define DSIZE (250000)
11657 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11658 Move *moveDatabase = initialSpace;
11659 unsigned int movePtr, dataSize = DSIZE;
11662 MakePieceList (Board board, int *counts)
11664 int r, f, n=Q_PROMO, total=0;
11665 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11666 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11667 int sq = f + (r<<4);
11668 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11669 quickBoard[sq] = ++n;
11671 pieceType[n] = board[r][f];
11672 counts[board[r][f]]++;
11673 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11674 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11678 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11683 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11685 int sq = fromX + (fromY<<4);
11686 int piece = quickBoard[sq];
11687 quickBoard[sq] = 0;
11688 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11689 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11690 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11691 moveDatabase[movePtr++].piece = Q_WCASTL;
11692 quickBoard[sq] = piece;
11693 piece = quickBoard[from]; quickBoard[from] = 0;
11694 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11696 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11697 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11698 moveDatabase[movePtr++].piece = Q_BCASTL;
11699 quickBoard[sq] = piece;
11700 piece = quickBoard[from]; quickBoard[from] = 0;
11701 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11703 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11704 quickBoard[(fromY<<4)+toX] = 0;
11705 moveDatabase[movePtr].piece = Q_EP;
11706 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11707 moveDatabase[movePtr].to = sq;
11709 if(promoPiece != pieceType[piece]) {
11710 moveDatabase[movePtr++].piece = Q_PROMO;
11711 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11713 moveDatabase[movePtr].piece = piece;
11714 quickBoard[sq] = piece;
11719 PackGame (Board board)
11721 Move *newSpace = NULL;
11722 moveDatabase[movePtr].piece = 0; // terminate previous game
11723 if(movePtr > dataSize) {
11724 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11725 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11726 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11729 Move *p = moveDatabase, *q = newSpace;
11730 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11731 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11732 moveDatabase = newSpace;
11733 } else { // calloc failed, we must be out of memory. Too bad...
11734 dataSize = 0; // prevent calloc events for all subsequent games
11735 return 0; // and signal this one isn't cached
11739 MakePieceList(board, counts);
11744 QuickCompare (Board board, int *minCounts, int *maxCounts)
11745 { // compare according to search mode
11747 switch(appData.searchMode)
11749 case 1: // exact position match
11750 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11751 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11752 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11755 case 2: // can have extra material on empty squares
11756 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11757 if(board[r][f] == EmptySquare) continue;
11758 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11761 case 3: // material with exact Pawn structure
11762 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11763 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11764 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11765 } // fall through to material comparison
11766 case 4: // exact material
11767 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11769 case 6: // material range with given imbalance
11770 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11771 // fall through to range comparison
11772 case 5: // material range
11773 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11779 QuickScan (Board board, Move *move)
11780 { // reconstruct game,and compare all positions in it
11781 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11783 int piece = move->piece;
11784 int to = move->to, from = pieceList[piece];
11785 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11786 if(!piece) return -1;
11787 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11788 piece = (++move)->piece;
11789 from = pieceList[piece];
11790 counts[pieceType[piece]]--;
11791 pieceType[piece] = (ChessSquare) move->to;
11792 counts[move->to]++;
11793 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11794 counts[pieceType[quickBoard[to]]]--;
11795 quickBoard[to] = 0; total--;
11798 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11799 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11800 from = pieceList[piece]; // so this must be King
11801 quickBoard[from] = 0;
11802 pieceList[piece] = to;
11803 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11804 quickBoard[from] = 0; // rook
11805 quickBoard[to] = piece;
11806 to = move->to; piece = move->piece;
11810 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11811 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11812 quickBoard[from] = 0;
11814 quickBoard[to] = piece;
11815 pieceList[piece] = to;
11817 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11818 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11819 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11820 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11822 static int lastCounts[EmptySquare+1];
11824 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11825 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11826 } else stretch = 0;
11827 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11836 flipSearch = FALSE;
11837 CopyBoard(soughtBoard, boards[currentMove]);
11838 soughtTotal = MakePieceList(soughtBoard, maxSought);
11839 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11840 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11841 CopyBoard(reverseBoard, boards[currentMove]);
11842 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11843 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11844 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11845 reverseBoard[r][f] = piece;
11847 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11848 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11849 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11850 || (boards[currentMove][CASTLING][2] == NoRights ||
11851 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11852 && (boards[currentMove][CASTLING][5] == NoRights ||
11853 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11856 CopyBoard(flipBoard, soughtBoard);
11857 CopyBoard(rotateBoard, reverseBoard);
11858 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11859 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11860 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11863 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11864 if(appData.searchMode >= 5) {
11865 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11866 MakePieceList(soughtBoard, minSought);
11867 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11869 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11870 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11873 GameInfo dummyInfo;
11874 static int creatingBook;
11877 GameContainsPosition (FILE *f, ListGame *lg)
11879 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11880 int fromX, fromY, toX, toY;
11882 static int initDone=FALSE;
11884 // weed out games based on numerical tag comparison
11885 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11886 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11887 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11888 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11890 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11893 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11894 else CopyBoard(boards[scratch], initialPosition); // default start position
11897 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11898 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11901 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11902 fseek(f, lg->offset, 0);
11905 yyboardindex = scratch;
11906 quickFlag = plyNr+1;
11911 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11917 if(plyNr) return -1; // after we have seen moves, this is for new game
11920 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11921 case ImpossibleMove:
11922 case WhiteWins: // game ends here with these four
11925 case GameUnfinished:
11929 if(appData.testLegality) return -1;
11930 case WhiteCapturesEnPassant:
11931 case BlackCapturesEnPassant:
11932 case WhitePromotion:
11933 case BlackPromotion:
11934 case WhiteNonPromotion:
11935 case BlackNonPromotion:
11937 case WhiteKingSideCastle:
11938 case WhiteQueenSideCastle:
11939 case BlackKingSideCastle:
11940 case BlackQueenSideCastle:
11941 case WhiteKingSideCastleWild:
11942 case WhiteQueenSideCastleWild:
11943 case BlackKingSideCastleWild:
11944 case BlackQueenSideCastleWild:
11945 case WhiteHSideCastleFR:
11946 case WhiteASideCastleFR:
11947 case BlackHSideCastleFR:
11948 case BlackASideCastleFR:
11949 fromX = currentMoveString[0] - AAA;
11950 fromY = currentMoveString[1] - ONE;
11951 toX = currentMoveString[2] - AAA;
11952 toY = currentMoveString[3] - ONE;
11953 promoChar = currentMoveString[4];
11957 fromX = next == WhiteDrop ?
11958 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11959 (int) CharToPiece(ToLower(currentMoveString[0]));
11961 toX = currentMoveString[2] - AAA;
11962 toY = currentMoveString[3] - ONE;
11966 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11968 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11969 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11970 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11971 if(appData.findMirror) {
11972 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11973 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11978 /* Load the nth game from open file f */
11980 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11984 int gn = gameNumber;
11985 ListGame *lg = NULL;
11986 int numPGNTags = 0;
11988 GameMode oldGameMode;
11989 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11991 if (appData.debugMode)
11992 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11994 if (gameMode == Training )
11995 SetTrainingModeOff();
11997 oldGameMode = gameMode;
11998 if (gameMode != BeginningOfGame) {
11999 Reset(FALSE, TRUE);
12003 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12004 fclose(lastLoadGameFP);
12008 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12011 fseek(f, lg->offset, 0);
12012 GameListHighlight(gameNumber);
12013 pos = lg->position;
12017 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
12018 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12020 DisplayError(_("Game number out of range"), 0);
12025 if (fseek(f, 0, 0) == -1) {
12026 if (f == lastLoadGameFP ?
12027 gameNumber == lastLoadGameNumber + 1 :
12031 DisplayError(_("Can't seek on game file"), 0);
12036 lastLoadGameFP = f;
12037 lastLoadGameNumber = gameNumber;
12038 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12039 lastLoadGameUseList = useList;
12043 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12044 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12045 lg->gameInfo.black);
12047 } else if (*title != NULLCHAR) {
12048 if (gameNumber > 1) {
12049 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12052 DisplayTitle(title);
12056 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12057 gameMode = PlayFromGameFile;
12061 currentMove = forwardMostMove = backwardMostMove = 0;
12062 CopyBoard(boards[0], initialPosition);
12066 * Skip the first gn-1 games in the file.
12067 * Also skip over anything that precedes an identifiable
12068 * start of game marker, to avoid being confused by
12069 * garbage at the start of the file. Currently
12070 * recognized start of game markers are the move number "1",
12071 * the pattern "gnuchess .* game", the pattern
12072 * "^[#;%] [^ ]* game file", and a PGN tag block.
12073 * A game that starts with one of the latter two patterns
12074 * will also have a move number 1, possibly
12075 * following a position diagram.
12076 * 5-4-02: Let's try being more lenient and allowing a game to
12077 * start with an unnumbered move. Does that break anything?
12079 cm = lastLoadGameStart = EndOfFile;
12081 yyboardindex = forwardMostMove;
12082 cm = (ChessMove) Myylex();
12085 if (cmailMsgLoaded) {
12086 nCmailGames = CMAIL_MAX_GAMES - gn;
12089 DisplayError(_("Game not found in file"), 0);
12096 lastLoadGameStart = cm;
12099 case MoveNumberOne:
12100 switch (lastLoadGameStart) {
12105 case MoveNumberOne:
12107 gn--; /* count this game */
12108 lastLoadGameStart = cm;
12117 switch (lastLoadGameStart) {
12120 case MoveNumberOne:
12122 gn--; /* count this game */
12123 lastLoadGameStart = cm;
12126 lastLoadGameStart = cm; /* game counted already */
12134 yyboardindex = forwardMostMove;
12135 cm = (ChessMove) Myylex();
12136 } while (cm == PGNTag || cm == Comment);
12143 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12144 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12145 != CMAIL_OLD_RESULT) {
12147 cmailResult[ CMAIL_MAX_GAMES
12148 - gn - 1] = CMAIL_OLD_RESULT;
12154 /* Only a NormalMove can be at the start of a game
12155 * without a position diagram. */
12156 if (lastLoadGameStart == EndOfFile ) {
12158 lastLoadGameStart = MoveNumberOne;
12167 if (appData.debugMode)
12168 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12170 if (cm == XBoardGame) {
12171 /* Skip any header junk before position diagram and/or move 1 */
12173 yyboardindex = forwardMostMove;
12174 cm = (ChessMove) Myylex();
12176 if (cm == EndOfFile ||
12177 cm == GNUChessGame || cm == XBoardGame) {
12178 /* Empty game; pretend end-of-file and handle later */
12183 if (cm == MoveNumberOne || cm == PositionDiagram ||
12184 cm == PGNTag || cm == Comment)
12187 } else if (cm == GNUChessGame) {
12188 if (gameInfo.event != NULL) {
12189 free(gameInfo.event);
12191 gameInfo.event = StrSave(yy_text);
12194 startedFromSetupPosition = FALSE;
12195 while (cm == PGNTag) {
12196 if (appData.debugMode)
12197 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12198 err = ParsePGNTag(yy_text, &gameInfo);
12199 if (!err) numPGNTags++;
12201 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12202 if(gameInfo.variant != oldVariant) {
12203 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12204 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12205 InitPosition(TRUE);
12206 oldVariant = gameInfo.variant;
12207 if (appData.debugMode)
12208 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12212 if (gameInfo.fen != NULL) {
12213 Board initial_position;
12214 startedFromSetupPosition = TRUE;
12215 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12217 DisplayError(_("Bad FEN position in file"), 0);
12220 CopyBoard(boards[0], initial_position);
12221 if (blackPlaysFirst) {
12222 currentMove = forwardMostMove = backwardMostMove = 1;
12223 CopyBoard(boards[1], initial_position);
12224 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12225 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12226 timeRemaining[0][1] = whiteTimeRemaining;
12227 timeRemaining[1][1] = blackTimeRemaining;
12228 if (commentList[0] != NULL) {
12229 commentList[1] = commentList[0];
12230 commentList[0] = NULL;
12233 currentMove = forwardMostMove = backwardMostMove = 0;
12235 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12237 initialRulePlies = FENrulePlies;
12238 for( i=0; i< nrCastlingRights; i++ )
12239 initialRights[i] = initial_position[CASTLING][i];
12241 yyboardindex = forwardMostMove;
12242 free(gameInfo.fen);
12243 gameInfo.fen = NULL;
12246 yyboardindex = forwardMostMove;
12247 cm = (ChessMove) Myylex();
12249 /* Handle comments interspersed among the tags */
12250 while (cm == Comment) {
12252 if (appData.debugMode)
12253 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12255 AppendComment(currentMove, p, FALSE);
12256 yyboardindex = forwardMostMove;
12257 cm = (ChessMove) Myylex();
12261 /* don't rely on existence of Event tag since if game was
12262 * pasted from clipboard the Event tag may not exist
12264 if (numPGNTags > 0){
12266 if (gameInfo.variant == VariantNormal) {
12267 VariantClass v = StringToVariant(gameInfo.event);
12268 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12269 if(v < VariantShogi) gameInfo.variant = v;
12272 if( appData.autoDisplayTags ) {
12273 tags = PGNTags(&gameInfo);
12274 TagsPopUp(tags, CmailMsg());
12279 /* Make something up, but don't display it now */
12284 if (cm == PositionDiagram) {
12287 Board initial_position;
12289 if (appData.debugMode)
12290 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12292 if (!startedFromSetupPosition) {
12294 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12295 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12306 initial_position[i][j++] = CharToPiece(*p);
12309 while (*p == ' ' || *p == '\t' ||
12310 *p == '\n' || *p == '\r') p++;
12312 if (strncmp(p, "black", strlen("black"))==0)
12313 blackPlaysFirst = TRUE;
12315 blackPlaysFirst = FALSE;
12316 startedFromSetupPosition = TRUE;
12318 CopyBoard(boards[0], initial_position);
12319 if (blackPlaysFirst) {
12320 currentMove = forwardMostMove = backwardMostMove = 1;
12321 CopyBoard(boards[1], initial_position);
12322 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12323 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12324 timeRemaining[0][1] = whiteTimeRemaining;
12325 timeRemaining[1][1] = blackTimeRemaining;
12326 if (commentList[0] != NULL) {
12327 commentList[1] = commentList[0];
12328 commentList[0] = NULL;
12331 currentMove = forwardMostMove = backwardMostMove = 0;
12334 yyboardindex = forwardMostMove;
12335 cm = (ChessMove) Myylex();
12338 if(!creatingBook) {
12339 if (first.pr == NoProc) {
12340 StartChessProgram(&first);
12342 InitChessProgram(&first, FALSE);
12343 SendToProgram("force\n", &first);
12344 if (startedFromSetupPosition) {
12345 SendBoard(&first, forwardMostMove);
12346 if (appData.debugMode) {
12347 fprintf(debugFP, "Load Game\n");
12349 DisplayBothClocks();
12353 /* [HGM] server: flag to write setup moves in broadcast file as one */
12354 loadFlag = appData.suppressLoadMoves;
12356 while (cm == Comment) {
12358 if (appData.debugMode)
12359 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12361 AppendComment(currentMove, p, FALSE);
12362 yyboardindex = forwardMostMove;
12363 cm = (ChessMove) Myylex();
12366 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12367 cm == WhiteWins || cm == BlackWins ||
12368 cm == GameIsDrawn || cm == GameUnfinished) {
12369 DisplayMessage("", _("No moves in game"));
12370 if (cmailMsgLoaded) {
12371 if (appData.debugMode)
12372 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12376 DrawPosition(FALSE, boards[currentMove]);
12377 DisplayBothClocks();
12378 gameMode = EditGame;
12385 // [HGM] PV info: routine tests if comment empty
12386 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12387 DisplayComment(currentMove - 1, commentList[currentMove]);
12389 if (!matchMode && appData.timeDelay != 0)
12390 DrawPosition(FALSE, boards[currentMove]);
12392 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12393 programStats.ok_to_send = 1;
12396 /* if the first token after the PGN tags is a move
12397 * and not move number 1, retrieve it from the parser
12399 if (cm != MoveNumberOne)
12400 LoadGameOneMove(cm);
12402 /* load the remaining moves from the file */
12403 while (LoadGameOneMove(EndOfFile)) {
12404 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12405 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12408 /* rewind to the start of the game */
12409 currentMove = backwardMostMove;
12411 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12413 if (oldGameMode == AnalyzeFile ||
12414 oldGameMode == AnalyzeMode) {
12415 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12416 AnalyzeFileEvent();
12419 if(creatingBook) return TRUE;
12420 if (!matchMode && pos > 0) {
12421 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12423 if (matchMode || appData.timeDelay == 0) {
12425 } else if (appData.timeDelay > 0) {
12426 AutoPlayGameLoop();
12429 if (appData.debugMode)
12430 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12432 loadFlag = 0; /* [HGM] true game starts */
12436 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12438 ReloadPosition (int offset)
12440 int positionNumber = lastLoadPositionNumber + offset;
12441 if (lastLoadPositionFP == NULL) {
12442 DisplayError(_("No position has been loaded yet"), 0);
12445 if (positionNumber <= 0) {
12446 DisplayError(_("Can't back up any further"), 0);
12449 return LoadPosition(lastLoadPositionFP, positionNumber,
12450 lastLoadPositionTitle);
12453 /* Load the nth position from the given file */
12455 LoadPositionFromFile (char *filename, int n, char *title)
12460 if (strcmp(filename, "-") == 0) {
12461 return LoadPosition(stdin, n, "stdin");
12463 f = fopen(filename, "rb");
12465 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12466 DisplayError(buf, errno);
12469 return LoadPosition(f, n, title);
12474 /* Load the nth position from the given open file, and close it */
12476 LoadPosition (FILE *f, int positionNumber, char *title)
12478 char *p, line[MSG_SIZ];
12479 Board initial_position;
12480 int i, j, fenMode, pn;
12482 if (gameMode == Training )
12483 SetTrainingModeOff();
12485 if (gameMode != BeginningOfGame) {
12486 Reset(FALSE, TRUE);
12488 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12489 fclose(lastLoadPositionFP);
12491 if (positionNumber == 0) positionNumber = 1;
12492 lastLoadPositionFP = f;
12493 lastLoadPositionNumber = positionNumber;
12494 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12495 if (first.pr == NoProc && !appData.noChessProgram) {
12496 StartChessProgram(&first);
12497 InitChessProgram(&first, FALSE);
12499 pn = positionNumber;
12500 if (positionNumber < 0) {
12501 /* Negative position number means to seek to that byte offset */
12502 if (fseek(f, -positionNumber, 0) == -1) {
12503 DisplayError(_("Can't seek on position file"), 0);
12508 if (fseek(f, 0, 0) == -1) {
12509 if (f == lastLoadPositionFP ?
12510 positionNumber == lastLoadPositionNumber + 1 :
12511 positionNumber == 1) {
12514 DisplayError(_("Can't seek on position file"), 0);
12519 /* See if this file is FEN or old-style xboard */
12520 if (fgets(line, MSG_SIZ, f) == NULL) {
12521 DisplayError(_("Position not found in file"), 0);
12524 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12525 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12528 if (fenMode || line[0] == '#') pn--;
12530 /* skip positions before number pn */
12531 if (fgets(line, MSG_SIZ, f) == NULL) {
12533 DisplayError(_("Position not found in file"), 0);
12536 if (fenMode || line[0] == '#') pn--;
12541 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12542 DisplayError(_("Bad FEN position in file"), 0);
12546 (void) fgets(line, MSG_SIZ, f);
12547 (void) fgets(line, MSG_SIZ, f);
12549 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12550 (void) fgets(line, MSG_SIZ, f);
12551 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12554 initial_position[i][j++] = CharToPiece(*p);
12558 blackPlaysFirst = FALSE;
12560 (void) fgets(line, MSG_SIZ, f);
12561 if (strncmp(line, "black", strlen("black"))==0)
12562 blackPlaysFirst = TRUE;
12565 startedFromSetupPosition = TRUE;
12567 CopyBoard(boards[0], initial_position);
12568 if (blackPlaysFirst) {
12569 currentMove = forwardMostMove = backwardMostMove = 1;
12570 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12571 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12572 CopyBoard(boards[1], initial_position);
12573 DisplayMessage("", _("Black to play"));
12575 currentMove = forwardMostMove = backwardMostMove = 0;
12576 DisplayMessage("", _("White to play"));
12578 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12579 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12580 SendToProgram("force\n", &first);
12581 SendBoard(&first, forwardMostMove);
12583 if (appData.debugMode) {
12585 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12586 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12587 fprintf(debugFP, "Load Position\n");
12590 if (positionNumber > 1) {
12591 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12592 DisplayTitle(line);
12594 DisplayTitle(title);
12596 gameMode = EditGame;
12599 timeRemaining[0][1] = whiteTimeRemaining;
12600 timeRemaining[1][1] = blackTimeRemaining;
12601 DrawPosition(FALSE, boards[currentMove]);
12608 CopyPlayerNameIntoFileName (char **dest, char *src)
12610 while (*src != NULLCHAR && *src != ',') {
12615 *(*dest)++ = *src++;
12621 DefaultFileName (char *ext)
12623 static char def[MSG_SIZ];
12626 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12628 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12630 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12632 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12639 /* Save the current game to the given file */
12641 SaveGameToFile (char *filename, int append)
12645 int result, i, t,tot=0;
12647 if (strcmp(filename, "-") == 0) {
12648 return SaveGame(stdout, 0, NULL);
12650 for(i=0; i<10; i++) { // upto 10 tries
12651 f = fopen(filename, append ? "a" : "w");
12652 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12653 if(f || errno != 13) break;
12654 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12658 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12659 DisplayError(buf, errno);
12662 safeStrCpy(buf, lastMsg, MSG_SIZ);
12663 DisplayMessage(_("Waiting for access to save file"), "");
12664 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12665 DisplayMessage(_("Saving game"), "");
12666 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12667 result = SaveGame(f, 0, NULL);
12668 DisplayMessage(buf, "");
12675 SavePart (char *str)
12677 static char buf[MSG_SIZ];
12680 p = strchr(str, ' ');
12681 if (p == NULL) return str;
12682 strncpy(buf, str, p - str);
12683 buf[p - str] = NULLCHAR;
12687 #define PGN_MAX_LINE 75
12689 #define PGN_SIDE_WHITE 0
12690 #define PGN_SIDE_BLACK 1
12693 FindFirstMoveOutOfBook (int side)
12697 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12698 int index = backwardMostMove;
12699 int has_book_hit = 0;
12701 if( (index % 2) != side ) {
12705 while( index < forwardMostMove ) {
12706 /* Check to see if engine is in book */
12707 int depth = pvInfoList[index].depth;
12708 int score = pvInfoList[index].score;
12714 else if( score == 0 && depth == 63 ) {
12715 in_book = 1; /* Zappa */
12717 else if( score == 2 && depth == 99 ) {
12718 in_book = 1; /* Abrok */
12721 has_book_hit += in_book;
12737 GetOutOfBookInfo (char * buf)
12741 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12743 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12744 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12748 if( oob[0] >= 0 || oob[1] >= 0 ) {
12749 for( i=0; i<2; i++ ) {
12753 if( i > 0 && oob[0] >= 0 ) {
12754 strcat( buf, " " );
12757 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12758 sprintf( buf+strlen(buf), "%s%.2f",
12759 pvInfoList[idx].score >= 0 ? "+" : "",
12760 pvInfoList[idx].score / 100.0 );
12766 /* Save game in PGN style and close the file */
12768 SaveGamePGN (FILE *f)
12770 int i, offset, linelen, newblock;
12773 int movelen, numlen, blank;
12774 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12776 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12778 PrintPGNTags(f, &gameInfo);
12780 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12782 if (backwardMostMove > 0 || startedFromSetupPosition) {
12783 char *fen = PositionToFEN(backwardMostMove, NULL);
12784 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12785 fprintf(f, "\n{--------------\n");
12786 PrintPosition(f, backwardMostMove);
12787 fprintf(f, "--------------}\n");
12791 /* [AS] Out of book annotation */
12792 if( appData.saveOutOfBookInfo ) {
12795 GetOutOfBookInfo( buf );
12797 if( buf[0] != '\0' ) {
12798 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12805 i = backwardMostMove;
12809 while (i < forwardMostMove) {
12810 /* Print comments preceding this move */
12811 if (commentList[i] != NULL) {
12812 if (linelen > 0) fprintf(f, "\n");
12813 fprintf(f, "%s", commentList[i]);
12818 /* Format move number */
12820 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12823 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12825 numtext[0] = NULLCHAR;
12827 numlen = strlen(numtext);
12830 /* Print move number */
12831 blank = linelen > 0 && numlen > 0;
12832 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12841 fprintf(f, "%s", numtext);
12845 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12846 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12849 blank = linelen > 0 && movelen > 0;
12850 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12859 fprintf(f, "%s", move_buffer);
12860 linelen += movelen;
12862 /* [AS] Add PV info if present */
12863 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12864 /* [HGM] add time */
12865 char buf[MSG_SIZ]; int seconds;
12867 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12873 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12876 seconds = (seconds + 4)/10; // round to full seconds
12878 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12880 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12883 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12884 pvInfoList[i].score >= 0 ? "+" : "",
12885 pvInfoList[i].score / 100.0,
12886 pvInfoList[i].depth,
12889 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12891 /* Print score/depth */
12892 blank = linelen > 0 && movelen > 0;
12893 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12902 fprintf(f, "%s", move_buffer);
12903 linelen += movelen;
12909 /* Start a new line */
12910 if (linelen > 0) fprintf(f, "\n");
12912 /* Print comments after last move */
12913 if (commentList[i] != NULL) {
12914 fprintf(f, "%s\n", commentList[i]);
12918 if (gameInfo.resultDetails != NULL &&
12919 gameInfo.resultDetails[0] != NULLCHAR) {
12920 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12921 PGNResult(gameInfo.result));
12923 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12927 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12931 /* Save game in old style and close the file */
12933 SaveGameOldStyle (FILE *f)
12938 tm = time((time_t *) NULL);
12940 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12943 if (backwardMostMove > 0 || startedFromSetupPosition) {
12944 fprintf(f, "\n[--------------\n");
12945 PrintPosition(f, backwardMostMove);
12946 fprintf(f, "--------------]\n");
12951 i = backwardMostMove;
12952 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12954 while (i < forwardMostMove) {
12955 if (commentList[i] != NULL) {
12956 fprintf(f, "[%s]\n", commentList[i]);
12959 if ((i % 2) == 1) {
12960 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12963 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12965 if (commentList[i] != NULL) {
12969 if (i >= forwardMostMove) {
12973 fprintf(f, "%s\n", parseList[i]);
12978 if (commentList[i] != NULL) {
12979 fprintf(f, "[%s]\n", commentList[i]);
12982 /* This isn't really the old style, but it's close enough */
12983 if (gameInfo.resultDetails != NULL &&
12984 gameInfo.resultDetails[0] != NULLCHAR) {
12985 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12986 gameInfo.resultDetails);
12988 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12995 /* Save the current game to open file f and close the file */
12997 SaveGame (FILE *f, int dummy, char *dummy2)
12999 if (gameMode == EditPosition) EditPositionDone(TRUE);
13000 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13001 if (appData.oldSaveStyle)
13002 return SaveGameOldStyle(f);
13004 return SaveGamePGN(f);
13007 /* Save the current position to the given file */
13009 SavePositionToFile (char *filename)
13014 if (strcmp(filename, "-") == 0) {
13015 return SavePosition(stdout, 0, NULL);
13017 f = fopen(filename, "a");
13019 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13020 DisplayError(buf, errno);
13023 safeStrCpy(buf, lastMsg, MSG_SIZ);
13024 DisplayMessage(_("Waiting for access to save file"), "");
13025 flock(fileno(f), LOCK_EX); // [HGM] lock
13026 DisplayMessage(_("Saving position"), "");
13027 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13028 SavePosition(f, 0, NULL);
13029 DisplayMessage(buf, "");
13035 /* Save the current position to the given open file and close the file */
13037 SavePosition (FILE *f, int dummy, char *dummy2)
13042 if (gameMode == EditPosition) EditPositionDone(TRUE);
13043 if (appData.oldSaveStyle) {
13044 tm = time((time_t *) NULL);
13046 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13048 fprintf(f, "[--------------\n");
13049 PrintPosition(f, currentMove);
13050 fprintf(f, "--------------]\n");
13052 fen = PositionToFEN(currentMove, NULL);
13053 fprintf(f, "%s\n", fen);
13061 ReloadCmailMsgEvent (int unregister)
13064 static char *inFilename = NULL;
13065 static char *outFilename;
13067 struct stat inbuf, outbuf;
13070 /* Any registered moves are unregistered if unregister is set, */
13071 /* i.e. invoked by the signal handler */
13073 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13074 cmailMoveRegistered[i] = FALSE;
13075 if (cmailCommentList[i] != NULL) {
13076 free(cmailCommentList[i]);
13077 cmailCommentList[i] = NULL;
13080 nCmailMovesRegistered = 0;
13083 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13084 cmailResult[i] = CMAIL_NOT_RESULT;
13088 if (inFilename == NULL) {
13089 /* Because the filenames are static they only get malloced once */
13090 /* and they never get freed */
13091 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13092 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13094 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13095 sprintf(outFilename, "%s.out", appData.cmailGameName);
13098 status = stat(outFilename, &outbuf);
13100 cmailMailedMove = FALSE;
13102 status = stat(inFilename, &inbuf);
13103 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13106 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13107 counts the games, notes how each one terminated, etc.
13109 It would be nice to remove this kludge and instead gather all
13110 the information while building the game list. (And to keep it
13111 in the game list nodes instead of having a bunch of fixed-size
13112 parallel arrays.) Note this will require getting each game's
13113 termination from the PGN tags, as the game list builder does
13114 not process the game moves. --mann
13116 cmailMsgLoaded = TRUE;
13117 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13119 /* Load first game in the file or popup game menu */
13120 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13122 #endif /* !WIN32 */
13130 char string[MSG_SIZ];
13132 if ( cmailMailedMove
13133 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13134 return TRUE; /* Allow free viewing */
13137 /* Unregister move to ensure that we don't leave RegisterMove */
13138 /* with the move registered when the conditions for registering no */
13140 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13141 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13142 nCmailMovesRegistered --;
13144 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13146 free(cmailCommentList[lastLoadGameNumber - 1]);
13147 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13151 if (cmailOldMove == -1) {
13152 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13156 if (currentMove > cmailOldMove + 1) {
13157 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13161 if (currentMove < cmailOldMove) {
13162 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13166 if (forwardMostMove > currentMove) {
13167 /* Silently truncate extra moves */
13171 if ( (currentMove == cmailOldMove + 1)
13172 || ( (currentMove == cmailOldMove)
13173 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13174 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13175 if (gameInfo.result != GameUnfinished) {
13176 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13179 if (commentList[currentMove] != NULL) {
13180 cmailCommentList[lastLoadGameNumber - 1]
13181 = StrSave(commentList[currentMove]);
13183 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13185 if (appData.debugMode)
13186 fprintf(debugFP, "Saving %s for game %d\n",
13187 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13189 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13191 f = fopen(string, "w");
13192 if (appData.oldSaveStyle) {
13193 SaveGameOldStyle(f); /* also closes the file */
13195 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13196 f = fopen(string, "w");
13197 SavePosition(f, 0, NULL); /* also closes the file */
13199 fprintf(f, "{--------------\n");
13200 PrintPosition(f, currentMove);
13201 fprintf(f, "--------------}\n\n");
13203 SaveGame(f, 0, NULL); /* also closes the file*/
13206 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13207 nCmailMovesRegistered ++;
13208 } else if (nCmailGames == 1) {
13209 DisplayError(_("You have not made a move yet"), 0);
13220 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13221 FILE *commandOutput;
13222 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13223 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13229 if (! cmailMsgLoaded) {
13230 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13234 if (nCmailGames == nCmailResults) {
13235 DisplayError(_("No unfinished games"), 0);
13239 #if CMAIL_PROHIBIT_REMAIL
13240 if (cmailMailedMove) {
13241 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);
13242 DisplayError(msg, 0);
13247 if (! (cmailMailedMove || RegisterMove())) return;
13249 if ( cmailMailedMove
13250 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13251 snprintf(string, MSG_SIZ, partCommandString,
13252 appData.debugMode ? " -v" : "", appData.cmailGameName);
13253 commandOutput = popen(string, "r");
13255 if (commandOutput == NULL) {
13256 DisplayError(_("Failed to invoke cmail"), 0);
13258 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13259 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13261 if (nBuffers > 1) {
13262 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13263 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13264 nBytes = MSG_SIZ - 1;
13266 (void) memcpy(msg, buffer, nBytes);
13268 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13270 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13271 cmailMailedMove = TRUE; /* Prevent >1 moves */
13274 for (i = 0; i < nCmailGames; i ++) {
13275 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13280 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13282 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13284 appData.cmailGameName,
13286 LoadGameFromFile(buffer, 1, buffer, FALSE);
13287 cmailMsgLoaded = FALSE;
13291 DisplayInformation(msg);
13292 pclose(commandOutput);
13295 if ((*cmailMsg) != '\0') {
13296 DisplayInformation(cmailMsg);
13301 #endif /* !WIN32 */
13310 int prependComma = 0;
13312 char string[MSG_SIZ]; /* Space for game-list */
13315 if (!cmailMsgLoaded) return "";
13317 if (cmailMailedMove) {
13318 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13320 /* Create a list of games left */
13321 snprintf(string, MSG_SIZ, "[");
13322 for (i = 0; i < nCmailGames; i ++) {
13323 if (! ( cmailMoveRegistered[i]
13324 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13325 if (prependComma) {
13326 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13328 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13332 strcat(string, number);
13335 strcat(string, "]");
13337 if (nCmailMovesRegistered + nCmailResults == 0) {
13338 switch (nCmailGames) {
13340 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13344 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13348 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13353 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13355 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13360 if (nCmailResults == nCmailGames) {
13361 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13363 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13368 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13380 if (gameMode == Training)
13381 SetTrainingModeOff();
13384 cmailMsgLoaded = FALSE;
13385 if (appData.icsActive) {
13386 SendToICS(ics_prefix);
13387 SendToICS("refresh\n");
13392 ExitEvent (int status)
13396 /* Give up on clean exit */
13400 /* Keep trying for clean exit */
13404 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13406 if (telnetISR != NULL) {
13407 RemoveInputSource(telnetISR);
13409 if (icsPR != NoProc) {
13410 DestroyChildProcess(icsPR, TRUE);
13413 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13414 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13416 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13417 /* make sure this other one finishes before killing it! */
13418 if(endingGame) { int count = 0;
13419 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13420 while(endingGame && count++ < 10) DoSleep(1);
13421 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13424 /* Kill off chess programs */
13425 if (first.pr != NoProc) {
13428 DoSleep( appData.delayBeforeQuit );
13429 SendToProgram("quit\n", &first);
13430 DoSleep( appData.delayAfterQuit );
13431 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13433 if (second.pr != NoProc) {
13434 DoSleep( appData.delayBeforeQuit );
13435 SendToProgram("quit\n", &second);
13436 DoSleep( appData.delayAfterQuit );
13437 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13439 if (first.isr != NULL) {
13440 RemoveInputSource(first.isr);
13442 if (second.isr != NULL) {
13443 RemoveInputSource(second.isr);
13446 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13447 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13449 ShutDownFrontEnd();
13454 PauseEngine (ChessProgramState *cps)
13456 SendToProgram("pause\n", cps);
13461 UnPauseEngine (ChessProgramState *cps)
13463 SendToProgram("resume\n", cps);
13470 if (appData.debugMode)
13471 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13475 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13477 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13478 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13479 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13481 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13482 HandleMachineMove(stashedInputMove, stalledEngine);
13483 stalledEngine = NULL;
13486 if (gameMode == MachinePlaysWhite ||
13487 gameMode == TwoMachinesPlay ||
13488 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13489 if(first.pause) UnPauseEngine(&first);
13490 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13491 if(second.pause) UnPauseEngine(&second);
13492 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13495 DisplayBothClocks();
13497 if (gameMode == PlayFromGameFile) {
13498 if (appData.timeDelay >= 0)
13499 AutoPlayGameLoop();
13500 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13501 Reset(FALSE, TRUE);
13502 SendToICS(ics_prefix);
13503 SendToICS("refresh\n");
13504 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13505 ForwardInner(forwardMostMove);
13507 pauseExamInvalid = FALSE;
13509 switch (gameMode) {
13513 pauseExamForwardMostMove = forwardMostMove;
13514 pauseExamInvalid = FALSE;
13517 case IcsPlayingWhite:
13518 case IcsPlayingBlack:
13522 case PlayFromGameFile:
13523 (void) StopLoadGameTimer();
13527 case BeginningOfGame:
13528 if (appData.icsActive) return;
13529 /* else fall through */
13530 case MachinePlaysWhite:
13531 case MachinePlaysBlack:
13532 case TwoMachinesPlay:
13533 if (forwardMostMove == 0)
13534 return; /* don't pause if no one has moved */
13535 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13536 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13537 if(onMove->pause) { // thinking engine can be paused
13538 PauseEngine(onMove); // do it
13539 if(onMove->other->pause) // pondering opponent can always be paused immediately
13540 PauseEngine(onMove->other);
13542 SendToProgram("easy\n", onMove->other);
13544 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13545 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13547 PauseEngine(&first);
13549 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13550 } else { // human on move, pause pondering by either method
13552 PauseEngine(&first);
13553 else if(appData.ponderNextMove)
13554 SendToProgram("easy\n", &first);
13557 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13567 EditCommentEvent ()
13569 char title[MSG_SIZ];
13571 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13572 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13574 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13575 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13576 parseList[currentMove - 1]);
13579 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13586 char *tags = PGNTags(&gameInfo);
13588 EditTagsPopUp(tags, NULL);
13595 if(second.analyzing) {
13596 SendToProgram("exit\n", &second);
13597 second.analyzing = FALSE;
13599 if (second.pr == NoProc) StartChessProgram(&second);
13600 InitChessProgram(&second, FALSE);
13601 FeedMovesToProgram(&second, currentMove);
13603 SendToProgram("analyze\n", &second);
13604 second.analyzing = TRUE;
13608 /* Toggle ShowThinking */
13610 ToggleShowThinking()
13612 appData.showThinking = !appData.showThinking;
13613 ShowThinkingEvent();
13617 AnalyzeModeEvent ()
13621 if (!first.analysisSupport) {
13622 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13623 DisplayError(buf, 0);
13626 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13627 if (appData.icsActive) {
13628 if (gameMode != IcsObserving) {
13629 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13630 DisplayError(buf, 0);
13632 if (appData.icsEngineAnalyze) {
13633 if (appData.debugMode)
13634 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13640 /* if enable, user wants to disable icsEngineAnalyze */
13641 if (appData.icsEngineAnalyze) {
13646 appData.icsEngineAnalyze = TRUE;
13647 if (appData.debugMode)
13648 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13651 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13652 if (appData.noChessProgram || gameMode == AnalyzeMode)
13655 if (gameMode != AnalyzeFile) {
13656 if (!appData.icsEngineAnalyze) {
13658 if (gameMode != EditGame) return 0;
13660 if (!appData.showThinking) ToggleShowThinking();
13661 ResurrectChessProgram();
13662 SendToProgram("analyze\n", &first);
13663 first.analyzing = TRUE;
13664 /*first.maybeThinking = TRUE;*/
13665 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13666 EngineOutputPopUp();
13668 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13673 StartAnalysisClock();
13674 GetTimeMark(&lastNodeCountTime);
13680 AnalyzeFileEvent ()
13682 if (appData.noChessProgram || gameMode == AnalyzeFile)
13685 if (!first.analysisSupport) {
13687 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13688 DisplayError(buf, 0);
13692 if (gameMode != AnalyzeMode) {
13693 keepInfo = 1; // mere annotating should not alter PGN tags
13696 if (gameMode != EditGame) return;
13697 if (!appData.showThinking) ToggleShowThinking();
13698 ResurrectChessProgram();
13699 SendToProgram("analyze\n", &first);
13700 first.analyzing = TRUE;
13701 /*first.maybeThinking = TRUE;*/
13702 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13703 EngineOutputPopUp();
13705 gameMode = AnalyzeFile;
13709 StartAnalysisClock();
13710 GetTimeMark(&lastNodeCountTime);
13712 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13713 AnalysisPeriodicEvent(1);
13717 MachineWhiteEvent ()
13720 char *bookHit = NULL;
13722 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13726 if (gameMode == PlayFromGameFile ||
13727 gameMode == TwoMachinesPlay ||
13728 gameMode == Training ||
13729 gameMode == AnalyzeMode ||
13730 gameMode == EndOfGame)
13733 if (gameMode == EditPosition)
13734 EditPositionDone(TRUE);
13736 if (!WhiteOnMove(currentMove)) {
13737 DisplayError(_("It is not White's turn"), 0);
13741 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13744 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13745 gameMode == AnalyzeFile)
13748 ResurrectChessProgram(); /* in case it isn't running */
13749 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13750 gameMode = MachinePlaysWhite;
13753 gameMode = MachinePlaysWhite;
13757 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13759 if (first.sendName) {
13760 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13761 SendToProgram(buf, &first);
13763 if (first.sendTime) {
13764 if (first.useColors) {
13765 SendToProgram("black\n", &first); /*gnu kludge*/
13767 SendTimeRemaining(&first, TRUE);
13769 if (first.useColors) {
13770 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13772 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13773 SetMachineThinkingEnables();
13774 first.maybeThinking = TRUE;
13778 if (appData.autoFlipView && !flipView) {
13779 flipView = !flipView;
13780 DrawPosition(FALSE, NULL);
13781 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13784 if(bookHit) { // [HGM] book: simulate book reply
13785 static char bookMove[MSG_SIZ]; // a bit generous?
13787 programStats.nodes = programStats.depth = programStats.time =
13788 programStats.score = programStats.got_only_move = 0;
13789 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13791 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13792 strcat(bookMove, bookHit);
13793 HandleMachineMove(bookMove, &first);
13798 MachineBlackEvent ()
13801 char *bookHit = NULL;
13803 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13807 if (gameMode == PlayFromGameFile ||
13808 gameMode == TwoMachinesPlay ||
13809 gameMode == Training ||
13810 gameMode == AnalyzeMode ||
13811 gameMode == EndOfGame)
13814 if (gameMode == EditPosition)
13815 EditPositionDone(TRUE);
13817 if (WhiteOnMove(currentMove)) {
13818 DisplayError(_("It is not Black's turn"), 0);
13822 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13825 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13826 gameMode == AnalyzeFile)
13829 ResurrectChessProgram(); /* in case it isn't running */
13830 gameMode = MachinePlaysBlack;
13834 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13836 if (first.sendName) {
13837 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13838 SendToProgram(buf, &first);
13840 if (first.sendTime) {
13841 if (first.useColors) {
13842 SendToProgram("white\n", &first); /*gnu kludge*/
13844 SendTimeRemaining(&first, FALSE);
13846 if (first.useColors) {
13847 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13849 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13850 SetMachineThinkingEnables();
13851 first.maybeThinking = TRUE;
13854 if (appData.autoFlipView && flipView) {
13855 flipView = !flipView;
13856 DrawPosition(FALSE, NULL);
13857 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13859 if(bookHit) { // [HGM] book: simulate book reply
13860 static char bookMove[MSG_SIZ]; // a bit generous?
13862 programStats.nodes = programStats.depth = programStats.time =
13863 programStats.score = programStats.got_only_move = 0;
13864 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13866 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13867 strcat(bookMove, bookHit);
13868 HandleMachineMove(bookMove, &first);
13874 DisplayTwoMachinesTitle ()
13877 if (appData.matchGames > 0) {
13878 if(appData.tourneyFile[0]) {
13879 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13880 gameInfo.white, _("vs."), gameInfo.black,
13881 nextGame+1, appData.matchGames+1,
13882 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13884 if (first.twoMachinesColor[0] == 'w') {
13885 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13886 gameInfo.white, _("vs."), gameInfo.black,
13887 first.matchWins, second.matchWins,
13888 matchGame - 1 - (first.matchWins + second.matchWins));
13890 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13891 gameInfo.white, _("vs."), gameInfo.black,
13892 second.matchWins, first.matchWins,
13893 matchGame - 1 - (first.matchWins + second.matchWins));
13896 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13902 SettingsMenuIfReady ()
13904 if (second.lastPing != second.lastPong) {
13905 DisplayMessage("", _("Waiting for second chess program"));
13906 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13910 DisplayMessage("", "");
13911 SettingsPopUp(&second);
13915 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13918 if (cps->pr == NoProc) {
13919 StartChessProgram(cps);
13920 if (cps->protocolVersion == 1) {
13923 /* kludge: allow timeout for initial "feature" command */
13925 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13926 DisplayMessage("", buf);
13927 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13935 TwoMachinesEvent P((void))
13939 ChessProgramState *onmove;
13940 char *bookHit = NULL;
13941 static int stalling = 0;
13945 if (appData.noChessProgram) return;
13947 switch (gameMode) {
13948 case TwoMachinesPlay:
13950 case MachinePlaysWhite:
13951 case MachinePlaysBlack:
13952 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13953 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13957 case BeginningOfGame:
13958 case PlayFromGameFile:
13961 if (gameMode != EditGame) return;
13964 EditPositionDone(TRUE);
13975 // forwardMostMove = currentMove;
13976 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13978 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13980 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13981 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13982 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13986 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13987 DisplayError("second engine does not play this", 0);
13992 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13993 SendToProgram("force\n", &second);
13995 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13998 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13999 if(appData.matchPause>10000 || appData.matchPause<10)
14000 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14001 wait = SubtractTimeMarks(&now, &pauseStart);
14002 if(wait < appData.matchPause) {
14003 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14006 // we are now committed to starting the game
14008 DisplayMessage("", "");
14009 if (startedFromSetupPosition) {
14010 SendBoard(&second, backwardMostMove);
14011 if (appData.debugMode) {
14012 fprintf(debugFP, "Two Machines\n");
14015 for (i = backwardMostMove; i < forwardMostMove; i++) {
14016 SendMoveToProgram(i, &second);
14019 gameMode = TwoMachinesPlay;
14021 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14023 DisplayTwoMachinesTitle();
14025 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14030 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14031 SendToProgram(first.computerString, &first);
14032 if (first.sendName) {
14033 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14034 SendToProgram(buf, &first);
14036 SendToProgram(second.computerString, &second);
14037 if (second.sendName) {
14038 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14039 SendToProgram(buf, &second);
14043 if (!first.sendTime || !second.sendTime) {
14044 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14045 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14047 if (onmove->sendTime) {
14048 if (onmove->useColors) {
14049 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14051 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14053 if (onmove->useColors) {
14054 SendToProgram(onmove->twoMachinesColor, onmove);
14056 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14057 // SendToProgram("go\n", onmove);
14058 onmove->maybeThinking = TRUE;
14059 SetMachineThinkingEnables();
14063 if(bookHit) { // [HGM] book: simulate book reply
14064 static char bookMove[MSG_SIZ]; // a bit generous?
14066 programStats.nodes = programStats.depth = programStats.time =
14067 programStats.score = programStats.got_only_move = 0;
14068 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14070 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14071 strcat(bookMove, bookHit);
14072 savedMessage = bookMove; // args for deferred call
14073 savedState = onmove;
14074 ScheduleDelayedEvent(DeferredBookMove, 1);
14081 if (gameMode == Training) {
14082 SetTrainingModeOff();
14083 gameMode = PlayFromGameFile;
14084 DisplayMessage("", _("Training mode off"));
14086 gameMode = Training;
14087 animateTraining = appData.animate;
14089 /* make sure we are not already at the end of the game */
14090 if (currentMove < forwardMostMove) {
14091 SetTrainingModeOn();
14092 DisplayMessage("", _("Training mode on"));
14094 gameMode = PlayFromGameFile;
14095 DisplayError(_("Already at end of game"), 0);
14104 if (!appData.icsActive) return;
14105 switch (gameMode) {
14106 case IcsPlayingWhite:
14107 case IcsPlayingBlack:
14110 case BeginningOfGame:
14118 EditPositionDone(TRUE);
14131 gameMode = IcsIdle;
14141 switch (gameMode) {
14143 SetTrainingModeOff();
14145 case MachinePlaysWhite:
14146 case MachinePlaysBlack:
14147 case BeginningOfGame:
14148 SendToProgram("force\n", &first);
14149 SetUserThinkingEnables();
14151 case PlayFromGameFile:
14152 (void) StopLoadGameTimer();
14153 if (gameFileFP != NULL) {
14158 EditPositionDone(TRUE);
14163 SendToProgram("force\n", &first);
14165 case TwoMachinesPlay:
14166 GameEnds(EndOfFile, NULL, GE_PLAYER);
14167 ResurrectChessProgram();
14168 SetUserThinkingEnables();
14171 ResurrectChessProgram();
14173 case IcsPlayingBlack:
14174 case IcsPlayingWhite:
14175 DisplayError(_("Warning: You are still playing a game"), 0);
14178 DisplayError(_("Warning: You are still observing a game"), 0);
14181 DisplayError(_("Warning: You are still examining a game"), 0);
14192 first.offeredDraw = second.offeredDraw = 0;
14194 if (gameMode == PlayFromGameFile) {
14195 whiteTimeRemaining = timeRemaining[0][currentMove];
14196 blackTimeRemaining = timeRemaining[1][currentMove];
14200 if (gameMode == MachinePlaysWhite ||
14201 gameMode == MachinePlaysBlack ||
14202 gameMode == TwoMachinesPlay ||
14203 gameMode == EndOfGame) {
14204 i = forwardMostMove;
14205 while (i > currentMove) {
14206 SendToProgram("undo\n", &first);
14209 if(!adjustedClock) {
14210 whiteTimeRemaining = timeRemaining[0][currentMove];
14211 blackTimeRemaining = timeRemaining[1][currentMove];
14212 DisplayBothClocks();
14214 if (whiteFlag || blackFlag) {
14215 whiteFlag = blackFlag = 0;
14220 gameMode = EditGame;
14227 EditPositionEvent ()
14229 if (gameMode == EditPosition) {
14235 if (gameMode != EditGame) return;
14237 gameMode = EditPosition;
14240 if (currentMove > 0)
14241 CopyBoard(boards[0], boards[currentMove]);
14243 blackPlaysFirst = !WhiteOnMove(currentMove);
14245 currentMove = forwardMostMove = backwardMostMove = 0;
14246 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14248 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14254 /* [DM] icsEngineAnalyze - possible call from other functions */
14255 if (appData.icsEngineAnalyze) {
14256 appData.icsEngineAnalyze = FALSE;
14258 DisplayMessage("",_("Close ICS engine analyze..."));
14260 if (first.analysisSupport && first.analyzing) {
14261 SendToBoth("exit\n");
14262 first.analyzing = second.analyzing = FALSE;
14264 thinkOutput[0] = NULLCHAR;
14268 EditPositionDone (Boolean fakeRights)
14270 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14272 startedFromSetupPosition = TRUE;
14273 InitChessProgram(&first, FALSE);
14274 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14275 boards[0][EP_STATUS] = EP_NONE;
14276 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14277 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14278 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14279 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14280 } else boards[0][CASTLING][2] = NoRights;
14281 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14282 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14283 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14284 } else boards[0][CASTLING][5] = NoRights;
14285 if(gameInfo.variant == VariantSChess) {
14287 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14288 boards[0][VIRGIN][i] = 0;
14289 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14290 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14294 SendToProgram("force\n", &first);
14295 if (blackPlaysFirst) {
14296 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14297 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14298 currentMove = forwardMostMove = backwardMostMove = 1;
14299 CopyBoard(boards[1], boards[0]);
14301 currentMove = forwardMostMove = backwardMostMove = 0;
14303 SendBoard(&first, forwardMostMove);
14304 if (appData.debugMode) {
14305 fprintf(debugFP, "EditPosDone\n");
14308 DisplayMessage("", "");
14309 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14310 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14311 gameMode = EditGame;
14313 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14314 ClearHighlights(); /* [AS] */
14317 /* Pause for `ms' milliseconds */
14318 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14320 TimeDelay (long ms)
14327 } while (SubtractTimeMarks(&m2, &m1) < ms);
14330 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14332 SendMultiLineToICS (char *buf)
14334 char temp[MSG_SIZ+1], *p;
14341 strncpy(temp, buf, len);
14346 if (*p == '\n' || *p == '\r')
14351 strcat(temp, "\n");
14353 SendToPlayer(temp, strlen(temp));
14357 SetWhiteToPlayEvent ()
14359 if (gameMode == EditPosition) {
14360 blackPlaysFirst = FALSE;
14361 DisplayBothClocks(); /* works because currentMove is 0 */
14362 } else if (gameMode == IcsExamining) {
14363 SendToICS(ics_prefix);
14364 SendToICS("tomove white\n");
14369 SetBlackToPlayEvent ()
14371 if (gameMode == EditPosition) {
14372 blackPlaysFirst = TRUE;
14373 currentMove = 1; /* kludge */
14374 DisplayBothClocks();
14376 } else if (gameMode == IcsExamining) {
14377 SendToICS(ics_prefix);
14378 SendToICS("tomove black\n");
14383 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14386 ChessSquare piece = boards[0][y][x];
14388 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14390 switch (selection) {
14392 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14393 SendToICS(ics_prefix);
14394 SendToICS("bsetup clear\n");
14395 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14396 SendToICS(ics_prefix);
14397 SendToICS("clearboard\n");
14399 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14400 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14401 for (y = 0; y < BOARD_HEIGHT; y++) {
14402 if (gameMode == IcsExamining) {
14403 if (boards[currentMove][y][x] != EmptySquare) {
14404 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14409 boards[0][y][x] = p;
14414 if (gameMode == EditPosition) {
14415 DrawPosition(FALSE, boards[0]);
14420 SetWhiteToPlayEvent();
14424 SetBlackToPlayEvent();
14428 if (gameMode == IcsExamining) {
14429 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14430 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14433 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14434 if(x == BOARD_LEFT-2) {
14435 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14436 boards[0][y][1] = 0;
14438 if(x == BOARD_RGHT+1) {
14439 if(y >= gameInfo.holdingsSize) break;
14440 boards[0][y][BOARD_WIDTH-2] = 0;
14443 boards[0][y][x] = EmptySquare;
14444 DrawPosition(FALSE, boards[0]);
14449 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14450 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14451 selection = (ChessSquare) (PROMOTED piece);
14452 } else if(piece == EmptySquare) selection = WhiteSilver;
14453 else selection = (ChessSquare)((int)piece - 1);
14457 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14458 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14459 selection = (ChessSquare) (DEMOTED piece);
14460 } else if(piece == EmptySquare) selection = BlackSilver;
14461 else selection = (ChessSquare)((int)piece + 1);
14466 if(gameInfo.variant == VariantShatranj ||
14467 gameInfo.variant == VariantXiangqi ||
14468 gameInfo.variant == VariantCourier ||
14469 gameInfo.variant == VariantMakruk )
14470 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14475 if(gameInfo.variant == VariantXiangqi)
14476 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14477 if(gameInfo.variant == VariantKnightmate)
14478 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14481 if (gameMode == IcsExamining) {
14482 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14483 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14484 PieceToChar(selection), AAA + x, ONE + y);
14487 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14489 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14490 n = PieceToNumber(selection - BlackPawn);
14491 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14492 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14493 boards[0][BOARD_HEIGHT-1-n][1]++;
14495 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14496 n = PieceToNumber(selection);
14497 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14498 boards[0][n][BOARD_WIDTH-1] = selection;
14499 boards[0][n][BOARD_WIDTH-2]++;
14502 boards[0][y][x] = selection;
14503 DrawPosition(TRUE, boards[0]);
14505 fromX = fromY = -1;
14513 DropMenuEvent (ChessSquare selection, int x, int y)
14515 ChessMove moveType;
14517 switch (gameMode) {
14518 case IcsPlayingWhite:
14519 case MachinePlaysBlack:
14520 if (!WhiteOnMove(currentMove)) {
14521 DisplayMoveError(_("It is Black's turn"));
14524 moveType = WhiteDrop;
14526 case IcsPlayingBlack:
14527 case MachinePlaysWhite:
14528 if (WhiteOnMove(currentMove)) {
14529 DisplayMoveError(_("It is White's turn"));
14532 moveType = BlackDrop;
14535 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14541 if (moveType == BlackDrop && selection < BlackPawn) {
14542 selection = (ChessSquare) ((int) selection
14543 + (int) BlackPawn - (int) WhitePawn);
14545 if (boards[currentMove][y][x] != EmptySquare) {
14546 DisplayMoveError(_("That square is occupied"));
14550 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14556 /* Accept a pending offer of any kind from opponent */
14558 if (appData.icsActive) {
14559 SendToICS(ics_prefix);
14560 SendToICS("accept\n");
14561 } else if (cmailMsgLoaded) {
14562 if (currentMove == cmailOldMove &&
14563 commentList[cmailOldMove] != NULL &&
14564 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14565 "Black offers a draw" : "White offers a draw")) {
14567 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14568 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14570 DisplayError(_("There is no pending offer on this move"), 0);
14571 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14574 /* Not used for offers from chess program */
14581 /* Decline a pending offer of any kind from opponent */
14583 if (appData.icsActive) {
14584 SendToICS(ics_prefix);
14585 SendToICS("decline\n");
14586 } else if (cmailMsgLoaded) {
14587 if (currentMove == cmailOldMove &&
14588 commentList[cmailOldMove] != NULL &&
14589 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14590 "Black offers a draw" : "White offers a draw")) {
14592 AppendComment(cmailOldMove, "Draw declined", TRUE);
14593 DisplayComment(cmailOldMove - 1, "Draw declined");
14596 DisplayError(_("There is no pending offer on this move"), 0);
14599 /* Not used for offers from chess program */
14606 /* Issue ICS rematch command */
14607 if (appData.icsActive) {
14608 SendToICS(ics_prefix);
14609 SendToICS("rematch\n");
14616 /* Call your opponent's flag (claim a win on time) */
14617 if (appData.icsActive) {
14618 SendToICS(ics_prefix);
14619 SendToICS("flag\n");
14621 switch (gameMode) {
14624 case MachinePlaysWhite:
14627 GameEnds(GameIsDrawn, "Both players ran out of time",
14630 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14632 DisplayError(_("Your opponent is not out of time"), 0);
14635 case MachinePlaysBlack:
14638 GameEnds(GameIsDrawn, "Both players ran out of time",
14641 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14643 DisplayError(_("Your opponent is not out of time"), 0);
14651 ClockClick (int which)
14652 { // [HGM] code moved to back-end from winboard.c
14653 if(which) { // black clock
14654 if (gameMode == EditPosition || gameMode == IcsExamining) {
14655 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14656 SetBlackToPlayEvent();
14657 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14658 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14659 } else if (shiftKey) {
14660 AdjustClock(which, -1);
14661 } else if (gameMode == IcsPlayingWhite ||
14662 gameMode == MachinePlaysBlack) {
14665 } else { // white clock
14666 if (gameMode == EditPosition || gameMode == IcsExamining) {
14667 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14668 SetWhiteToPlayEvent();
14669 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14670 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14671 } else if (shiftKey) {
14672 AdjustClock(which, -1);
14673 } else if (gameMode == IcsPlayingBlack ||
14674 gameMode == MachinePlaysWhite) {
14683 /* Offer draw or accept pending draw offer from opponent */
14685 if (appData.icsActive) {
14686 /* Note: tournament rules require draw offers to be
14687 made after you make your move but before you punch
14688 your clock. Currently ICS doesn't let you do that;
14689 instead, you immediately punch your clock after making
14690 a move, but you can offer a draw at any time. */
14692 SendToICS(ics_prefix);
14693 SendToICS("draw\n");
14694 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14695 } else if (cmailMsgLoaded) {
14696 if (currentMove == cmailOldMove &&
14697 commentList[cmailOldMove] != NULL &&
14698 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14699 "Black offers a draw" : "White offers a draw")) {
14700 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14701 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14702 } else if (currentMove == cmailOldMove + 1) {
14703 char *offer = WhiteOnMove(cmailOldMove) ?
14704 "White offers a draw" : "Black offers a draw";
14705 AppendComment(currentMove, offer, TRUE);
14706 DisplayComment(currentMove - 1, offer);
14707 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14709 DisplayError(_("You must make your move before offering a draw"), 0);
14710 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14712 } else if (first.offeredDraw) {
14713 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14715 if (first.sendDrawOffers) {
14716 SendToProgram("draw\n", &first);
14717 userOfferedDraw = TRUE;
14725 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14727 if (appData.icsActive) {
14728 SendToICS(ics_prefix);
14729 SendToICS("adjourn\n");
14731 /* Currently GNU Chess doesn't offer or accept Adjourns */
14739 /* Offer Abort or accept pending Abort offer from opponent */
14741 if (appData.icsActive) {
14742 SendToICS(ics_prefix);
14743 SendToICS("abort\n");
14745 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14752 /* Resign. You can do this even if it's not your turn. */
14754 if (appData.icsActive) {
14755 SendToICS(ics_prefix);
14756 SendToICS("resign\n");
14758 switch (gameMode) {
14759 case MachinePlaysWhite:
14760 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14762 case MachinePlaysBlack:
14763 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14766 if (cmailMsgLoaded) {
14768 if (WhiteOnMove(cmailOldMove)) {
14769 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14771 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14773 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14784 StopObservingEvent ()
14786 /* Stop observing current games */
14787 SendToICS(ics_prefix);
14788 SendToICS("unobserve\n");
14792 StopExaminingEvent ()
14794 /* Stop observing current game */
14795 SendToICS(ics_prefix);
14796 SendToICS("unexamine\n");
14800 ForwardInner (int target)
14802 int limit; int oldSeekGraphUp = seekGraphUp;
14804 if (appData.debugMode)
14805 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14806 target, currentMove, forwardMostMove);
14808 if (gameMode == EditPosition)
14811 seekGraphUp = FALSE;
14812 MarkTargetSquares(1);
14814 if (gameMode == PlayFromGameFile && !pausing)
14817 if (gameMode == IcsExamining && pausing)
14818 limit = pauseExamForwardMostMove;
14820 limit = forwardMostMove;
14822 if (target > limit) target = limit;
14824 if (target > 0 && moveList[target - 1][0]) {
14825 int fromX, fromY, toX, toY;
14826 toX = moveList[target - 1][2] - AAA;
14827 toY = moveList[target - 1][3] - ONE;
14828 if (moveList[target - 1][1] == '@') {
14829 if (appData.highlightLastMove) {
14830 SetHighlights(-1, -1, toX, toY);
14833 fromX = moveList[target - 1][0] - AAA;
14834 fromY = moveList[target - 1][1] - ONE;
14835 if (target == currentMove + 1) {
14836 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14838 if (appData.highlightLastMove) {
14839 SetHighlights(fromX, fromY, toX, toY);
14843 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14844 gameMode == Training || gameMode == PlayFromGameFile ||
14845 gameMode == AnalyzeFile) {
14846 while (currentMove < target) {
14847 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14848 SendMoveToProgram(currentMove++, &first);
14851 currentMove = target;
14854 if (gameMode == EditGame || gameMode == EndOfGame) {
14855 whiteTimeRemaining = timeRemaining[0][currentMove];
14856 blackTimeRemaining = timeRemaining[1][currentMove];
14858 DisplayBothClocks();
14859 DisplayMove(currentMove - 1);
14860 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14861 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14862 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14863 DisplayComment(currentMove - 1, commentList[currentMove]);
14865 ClearMap(); // [HGM] exclude: invalidate map
14872 if (gameMode == IcsExamining && !pausing) {
14873 SendToICS(ics_prefix);
14874 SendToICS("forward\n");
14876 ForwardInner(currentMove + 1);
14883 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14884 /* to optimze, we temporarily turn off analysis mode while we feed
14885 * the remaining moves to the engine. Otherwise we get analysis output
14888 if (first.analysisSupport) {
14889 SendToProgram("exit\nforce\n", &first);
14890 first.analyzing = FALSE;
14894 if (gameMode == IcsExamining && !pausing) {
14895 SendToICS(ics_prefix);
14896 SendToICS("forward 999999\n");
14898 ForwardInner(forwardMostMove);
14901 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14902 /* we have fed all the moves, so reactivate analysis mode */
14903 SendToProgram("analyze\n", &first);
14904 first.analyzing = TRUE;
14905 /*first.maybeThinking = TRUE;*/
14906 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14911 BackwardInner (int target)
14913 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14915 if (appData.debugMode)
14916 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14917 target, currentMove, forwardMostMove);
14919 if (gameMode == EditPosition) return;
14920 seekGraphUp = FALSE;
14921 MarkTargetSquares(1);
14922 if (currentMove <= backwardMostMove) {
14924 DrawPosition(full_redraw, boards[currentMove]);
14927 if (gameMode == PlayFromGameFile && !pausing)
14930 if (moveList[target][0]) {
14931 int fromX, fromY, toX, toY;
14932 toX = moveList[target][2] - AAA;
14933 toY = moveList[target][3] - ONE;
14934 if (moveList[target][1] == '@') {
14935 if (appData.highlightLastMove) {
14936 SetHighlights(-1, -1, toX, toY);
14939 fromX = moveList[target][0] - AAA;
14940 fromY = moveList[target][1] - ONE;
14941 if (target == currentMove - 1) {
14942 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14944 if (appData.highlightLastMove) {
14945 SetHighlights(fromX, fromY, toX, toY);
14949 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14950 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14951 while (currentMove > target) {
14952 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14953 // null move cannot be undone. Reload program with move history before it.
14955 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14956 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14958 SendBoard(&first, i);
14959 if(second.analyzing) SendBoard(&second, i);
14960 for(currentMove=i; currentMove<target; currentMove++) {
14961 SendMoveToProgram(currentMove, &first);
14962 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14966 SendToBoth("undo\n");
14970 currentMove = target;
14973 if (gameMode == EditGame || gameMode == EndOfGame) {
14974 whiteTimeRemaining = timeRemaining[0][currentMove];
14975 blackTimeRemaining = timeRemaining[1][currentMove];
14977 DisplayBothClocks();
14978 DisplayMove(currentMove - 1);
14979 DrawPosition(full_redraw, boards[currentMove]);
14980 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14981 // [HGM] PV info: routine tests if comment empty
14982 DisplayComment(currentMove - 1, commentList[currentMove]);
14983 ClearMap(); // [HGM] exclude: invalidate map
14989 if (gameMode == IcsExamining && !pausing) {
14990 SendToICS(ics_prefix);
14991 SendToICS("backward\n");
14993 BackwardInner(currentMove - 1);
15000 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15001 /* to optimize, we temporarily turn off analysis mode while we undo
15002 * all the moves. Otherwise we get analysis output after each undo.
15004 if (first.analysisSupport) {
15005 SendToProgram("exit\nforce\n", &first);
15006 first.analyzing = FALSE;
15010 if (gameMode == IcsExamining && !pausing) {
15011 SendToICS(ics_prefix);
15012 SendToICS("backward 999999\n");
15014 BackwardInner(backwardMostMove);
15017 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15018 /* we have fed all the moves, so reactivate analysis mode */
15019 SendToProgram("analyze\n", &first);
15020 first.analyzing = TRUE;
15021 /*first.maybeThinking = TRUE;*/
15022 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15029 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15030 if (to >= forwardMostMove) to = forwardMostMove;
15031 if (to <= backwardMostMove) to = backwardMostMove;
15032 if (to < currentMove) {
15040 RevertEvent (Boolean annotate)
15042 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15045 if (gameMode != IcsExamining) {
15046 DisplayError(_("You are not examining a game"), 0);
15050 DisplayError(_("You can't revert while pausing"), 0);
15053 SendToICS(ics_prefix);
15054 SendToICS("revert\n");
15058 RetractMoveEvent ()
15060 switch (gameMode) {
15061 case MachinePlaysWhite:
15062 case MachinePlaysBlack:
15063 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15064 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15067 if (forwardMostMove < 2) return;
15068 currentMove = forwardMostMove = forwardMostMove - 2;
15069 whiteTimeRemaining = timeRemaining[0][currentMove];
15070 blackTimeRemaining = timeRemaining[1][currentMove];
15071 DisplayBothClocks();
15072 DisplayMove(currentMove - 1);
15073 ClearHighlights();/*!! could figure this out*/
15074 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15075 SendToProgram("remove\n", &first);
15076 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15079 case BeginningOfGame:
15083 case IcsPlayingWhite:
15084 case IcsPlayingBlack:
15085 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15086 SendToICS(ics_prefix);
15087 SendToICS("takeback 2\n");
15089 SendToICS(ics_prefix);
15090 SendToICS("takeback 1\n");
15099 ChessProgramState *cps;
15101 switch (gameMode) {
15102 case MachinePlaysWhite:
15103 if (!WhiteOnMove(forwardMostMove)) {
15104 DisplayError(_("It is your turn"), 0);
15109 case MachinePlaysBlack:
15110 if (WhiteOnMove(forwardMostMove)) {
15111 DisplayError(_("It is your turn"), 0);
15116 case TwoMachinesPlay:
15117 if (WhiteOnMove(forwardMostMove) ==
15118 (first.twoMachinesColor[0] == 'w')) {
15124 case BeginningOfGame:
15128 SendToProgram("?\n", cps);
15132 TruncateGameEvent ()
15135 if (gameMode != EditGame) return;
15142 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15143 if (forwardMostMove > currentMove) {
15144 if (gameInfo.resultDetails != NULL) {
15145 free(gameInfo.resultDetails);
15146 gameInfo.resultDetails = NULL;
15147 gameInfo.result = GameUnfinished;
15149 forwardMostMove = currentMove;
15150 HistorySet(parseList, backwardMostMove, forwardMostMove,
15158 if (appData.noChessProgram) return;
15159 switch (gameMode) {
15160 case MachinePlaysWhite:
15161 if (WhiteOnMove(forwardMostMove)) {
15162 DisplayError(_("Wait until your turn"), 0);
15166 case BeginningOfGame:
15167 case MachinePlaysBlack:
15168 if (!WhiteOnMove(forwardMostMove)) {
15169 DisplayError(_("Wait until your turn"), 0);
15174 DisplayError(_("No hint available"), 0);
15177 SendToProgram("hint\n", &first);
15178 hintRequested = TRUE;
15184 ListGame * lg = (ListGame *) gameList.head;
15187 static int secondTime = FALSE;
15189 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15190 DisplayError(_("Game list not loaded or empty"), 0);
15194 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15197 DisplayNote(_("Book file exists! Try again for overwrite."));
15201 creatingBook = TRUE;
15202 secondTime = FALSE;
15204 /* Get list size */
15205 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15206 LoadGame(f, nItem, "", TRUE);
15207 AddGameToBook(TRUE);
15208 lg = (ListGame *) lg->node.succ;
15211 creatingBook = FALSE;
15218 if (appData.noChessProgram) return;
15219 switch (gameMode) {
15220 case MachinePlaysWhite:
15221 if (WhiteOnMove(forwardMostMove)) {
15222 DisplayError(_("Wait until your turn"), 0);
15226 case BeginningOfGame:
15227 case MachinePlaysBlack:
15228 if (!WhiteOnMove(forwardMostMove)) {
15229 DisplayError(_("Wait until your turn"), 0);
15234 EditPositionDone(TRUE);
15236 case TwoMachinesPlay:
15241 SendToProgram("bk\n", &first);
15242 bookOutput[0] = NULLCHAR;
15243 bookRequested = TRUE;
15249 char *tags = PGNTags(&gameInfo);
15250 TagsPopUp(tags, CmailMsg());
15254 /* end button procedures */
15257 PrintPosition (FILE *fp, int move)
15261 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15262 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15263 char c = PieceToChar(boards[move][i][j]);
15264 fputc(c == 'x' ? '.' : c, fp);
15265 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15268 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15269 fprintf(fp, "white to play\n");
15271 fprintf(fp, "black to play\n");
15275 PrintOpponents (FILE *fp)
15277 if (gameInfo.white != NULL) {
15278 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15284 /* Find last component of program's own name, using some heuristics */
15286 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15289 int local = (strcmp(host, "localhost") == 0);
15290 while (!local && (p = strchr(prog, ';')) != NULL) {
15292 while (*p == ' ') p++;
15295 if (*prog == '"' || *prog == '\'') {
15296 q = strchr(prog + 1, *prog);
15298 q = strchr(prog, ' ');
15300 if (q == NULL) q = prog + strlen(prog);
15302 while (p >= prog && *p != '/' && *p != '\\') p--;
15304 if(p == prog && *p == '"') p++;
15306 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15307 memcpy(buf, p, q - p);
15308 buf[q - p] = NULLCHAR;
15316 TimeControlTagValue ()
15319 if (!appData.clockMode) {
15320 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15321 } else if (movesPerSession > 0) {
15322 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15323 } else if (timeIncrement == 0) {
15324 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15326 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15328 return StrSave(buf);
15334 /* This routine is used only for certain modes */
15335 VariantClass v = gameInfo.variant;
15336 ChessMove r = GameUnfinished;
15339 if(keepInfo) return;
15341 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15342 r = gameInfo.result;
15343 p = gameInfo.resultDetails;
15344 gameInfo.resultDetails = NULL;
15346 ClearGameInfo(&gameInfo);
15347 gameInfo.variant = v;
15349 switch (gameMode) {
15350 case MachinePlaysWhite:
15351 gameInfo.event = StrSave( appData.pgnEventHeader );
15352 gameInfo.site = StrSave(HostName());
15353 gameInfo.date = PGNDate();
15354 gameInfo.round = StrSave("-");
15355 gameInfo.white = StrSave(first.tidy);
15356 gameInfo.black = StrSave(UserName());
15357 gameInfo.timeControl = TimeControlTagValue();
15360 case MachinePlaysBlack:
15361 gameInfo.event = StrSave( appData.pgnEventHeader );
15362 gameInfo.site = StrSave(HostName());
15363 gameInfo.date = PGNDate();
15364 gameInfo.round = StrSave("-");
15365 gameInfo.white = StrSave(UserName());
15366 gameInfo.black = StrSave(first.tidy);
15367 gameInfo.timeControl = TimeControlTagValue();
15370 case TwoMachinesPlay:
15371 gameInfo.event = StrSave( appData.pgnEventHeader );
15372 gameInfo.site = StrSave(HostName());
15373 gameInfo.date = PGNDate();
15376 snprintf(buf, MSG_SIZ, "%d", roundNr);
15377 gameInfo.round = StrSave(buf);
15379 gameInfo.round = StrSave("-");
15381 if (first.twoMachinesColor[0] == 'w') {
15382 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15383 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15385 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15386 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15388 gameInfo.timeControl = TimeControlTagValue();
15392 gameInfo.event = StrSave("Edited game");
15393 gameInfo.site = StrSave(HostName());
15394 gameInfo.date = PGNDate();
15395 gameInfo.round = StrSave("-");
15396 gameInfo.white = StrSave("-");
15397 gameInfo.black = StrSave("-");
15398 gameInfo.result = r;
15399 gameInfo.resultDetails = p;
15403 gameInfo.event = StrSave("Edited position");
15404 gameInfo.site = StrSave(HostName());
15405 gameInfo.date = PGNDate();
15406 gameInfo.round = StrSave("-");
15407 gameInfo.white = StrSave("-");
15408 gameInfo.black = StrSave("-");
15411 case IcsPlayingWhite:
15412 case IcsPlayingBlack:
15417 case PlayFromGameFile:
15418 gameInfo.event = StrSave("Game from non-PGN file");
15419 gameInfo.site = StrSave(HostName());
15420 gameInfo.date = PGNDate();
15421 gameInfo.round = StrSave("-");
15422 gameInfo.white = StrSave("?");
15423 gameInfo.black = StrSave("?");
15432 ReplaceComment (int index, char *text)
15438 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15439 pvInfoList[index-1].depth == len &&
15440 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15441 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15442 while (*text == '\n') text++;
15443 len = strlen(text);
15444 while (len > 0 && text[len - 1] == '\n') len--;
15446 if (commentList[index] != NULL)
15447 free(commentList[index]);
15450 commentList[index] = NULL;
15453 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15454 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15455 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15456 commentList[index] = (char *) malloc(len + 2);
15457 strncpy(commentList[index], text, len);
15458 commentList[index][len] = '\n';
15459 commentList[index][len + 1] = NULLCHAR;
15461 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15463 commentList[index] = (char *) malloc(len + 7);
15464 safeStrCpy(commentList[index], "{\n", 3);
15465 safeStrCpy(commentList[index]+2, text, len+1);
15466 commentList[index][len+2] = NULLCHAR;
15467 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15468 strcat(commentList[index], "\n}\n");
15473 CrushCRs (char *text)
15481 if (ch == '\r') continue;
15483 } while (ch != '\0');
15487 AppendComment (int index, char *text, Boolean addBraces)
15488 /* addBraces tells if we should add {} */
15493 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15494 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15497 while (*text == '\n') text++;
15498 len = strlen(text);
15499 while (len > 0 && text[len - 1] == '\n') len--;
15500 text[len] = NULLCHAR;
15502 if (len == 0) return;
15504 if (commentList[index] != NULL) {
15505 Boolean addClosingBrace = addBraces;
15506 old = commentList[index];
15507 oldlen = strlen(old);
15508 while(commentList[index][oldlen-1] == '\n')
15509 commentList[index][--oldlen] = NULLCHAR;
15510 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15511 safeStrCpy(commentList[index], old, oldlen + len + 6);
15513 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15514 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15515 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15516 while (*text == '\n') { text++; len--; }
15517 commentList[index][--oldlen] = NULLCHAR;
15519 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15520 else strcat(commentList[index], "\n");
15521 strcat(commentList[index], text);
15522 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15523 else strcat(commentList[index], "\n");
15525 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15527 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15528 else commentList[index][0] = NULLCHAR;
15529 strcat(commentList[index], text);
15530 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15531 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15536 FindStr (char * text, char * sub_text)
15538 char * result = strstr( text, sub_text );
15540 if( result != NULL ) {
15541 result += strlen( sub_text );
15547 /* [AS] Try to extract PV info from PGN comment */
15548 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15550 GetInfoFromComment (int index, char * text)
15552 char * sep = text, *p;
15554 if( text != NULL && index > 0 ) {
15557 int time = -1, sec = 0, deci;
15558 char * s_eval = FindStr( text, "[%eval " );
15559 char * s_emt = FindStr( text, "[%emt " );
15561 if( s_eval != NULL || s_emt != NULL ) {
15565 if( s_eval != NULL ) {
15566 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15570 if( delim != ']' ) {
15575 if( s_emt != NULL ) {
15580 /* We expect something like: [+|-]nnn.nn/dd */
15583 if(*text != '{') return text; // [HGM] braces: must be normal comment
15585 sep = strchr( text, '/' );
15586 if( sep == NULL || sep < (text+4) ) {
15591 if(p[1] == '(') { // comment starts with PV
15592 p = strchr(p, ')'); // locate end of PV
15593 if(p == NULL || sep < p+5) return text;
15594 // at this point we have something like "{(.*) +0.23/6 ..."
15595 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15596 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15597 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15599 time = -1; sec = -1; deci = -1;
15600 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15601 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15602 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15603 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15607 if( score_lo < 0 || score_lo >= 100 ) {
15611 if(sec >= 0) time = 600*time + 10*sec; else
15612 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15614 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15616 /* [HGM] PV time: now locate end of PV info */
15617 while( *++sep >= '0' && *sep <= '9'); // strip depth
15619 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15621 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15623 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15624 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15635 pvInfoList[index-1].depth = depth;
15636 pvInfoList[index-1].score = score;
15637 pvInfoList[index-1].time = 10*time; // centi-sec
15638 if(*sep == '}') *sep = 0; else *--sep = '{';
15639 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15645 SendToProgram (char *message, ChessProgramState *cps)
15647 int count, outCount, error;
15650 if (cps->pr == NoProc) return;
15653 if (appData.debugMode) {
15656 fprintf(debugFP, "%ld >%-6s: %s",
15657 SubtractTimeMarks(&now, &programStartTime),
15658 cps->which, message);
15660 fprintf(serverFP, "%ld >%-6s: %s",
15661 SubtractTimeMarks(&now, &programStartTime),
15662 cps->which, message), fflush(serverFP);
15665 count = strlen(message);
15666 outCount = OutputToProcess(cps->pr, message, count, &error);
15667 if (outCount < count && !exiting
15668 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15669 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15670 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15671 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15672 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15673 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15674 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15675 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15677 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15678 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15679 gameInfo.result = res;
15681 gameInfo.resultDetails = StrSave(buf);
15683 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15684 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15689 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15693 ChessProgramState *cps = (ChessProgramState *)closure;
15695 if (isr != cps->isr) return; /* Killed intentionally */
15698 RemoveInputSource(cps->isr);
15699 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15700 _(cps->which), cps->program);
15701 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15702 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15703 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15704 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15705 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15706 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15708 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15709 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15710 gameInfo.result = res;
15712 gameInfo.resultDetails = StrSave(buf);
15714 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15715 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15717 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15718 _(cps->which), cps->program);
15719 RemoveInputSource(cps->isr);
15721 /* [AS] Program is misbehaving badly... kill it */
15722 if( count == -2 ) {
15723 DestroyChildProcess( cps->pr, 9 );
15727 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15732 if ((end_str = strchr(message, '\r')) != NULL)
15733 *end_str = NULLCHAR;
15734 if ((end_str = strchr(message, '\n')) != NULL)
15735 *end_str = NULLCHAR;
15737 if (appData.debugMode) {
15738 TimeMark now; int print = 1;
15739 char *quote = ""; char c; int i;
15741 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15742 char start = message[0];
15743 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15744 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15745 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15746 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15747 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15748 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15749 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15750 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15751 sscanf(message, "hint: %c", &c)!=1 &&
15752 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15753 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15754 print = (appData.engineComments >= 2);
15756 message[0] = start; // restore original message
15760 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15761 SubtractTimeMarks(&now, &programStartTime), cps->which,
15765 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15766 SubtractTimeMarks(&now, &programStartTime), cps->which,
15768 message), fflush(serverFP);
15772 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15773 if (appData.icsEngineAnalyze) {
15774 if (strstr(message, "whisper") != NULL ||
15775 strstr(message, "kibitz") != NULL ||
15776 strstr(message, "tellics") != NULL) return;
15779 HandleMachineMove(message, cps);
15784 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15789 if( timeControl_2 > 0 ) {
15790 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15791 tc = timeControl_2;
15794 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15795 inc /= cps->timeOdds;
15796 st /= cps->timeOdds;
15798 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15801 /* Set exact time per move, normally using st command */
15802 if (cps->stKludge) {
15803 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15805 if (seconds == 0) {
15806 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15808 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15811 snprintf(buf, MSG_SIZ, "st %d\n", st);
15814 /* Set conventional or incremental time control, using level command */
15815 if (seconds == 0) {
15816 /* Note old gnuchess bug -- minutes:seconds used to not work.
15817 Fixed in later versions, but still avoid :seconds
15818 when seconds is 0. */
15819 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15821 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15822 seconds, inc/1000.);
15825 SendToProgram(buf, cps);
15827 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15828 /* Orthogonally, limit search to given depth */
15830 if (cps->sdKludge) {
15831 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15833 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15835 SendToProgram(buf, cps);
15838 if(cps->nps >= 0) { /* [HGM] nps */
15839 if(cps->supportsNPS == FALSE)
15840 cps->nps = -1; // don't use if engine explicitly says not supported!
15842 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15843 SendToProgram(buf, cps);
15848 ChessProgramState *
15850 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15852 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15853 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15859 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15861 char message[MSG_SIZ];
15864 /* Note: this routine must be called when the clocks are stopped
15865 or when they have *just* been set or switched; otherwise
15866 it will be off by the time since the current tick started.
15868 if (machineWhite) {
15869 time = whiteTimeRemaining / 10;
15870 otime = blackTimeRemaining / 10;
15872 time = blackTimeRemaining / 10;
15873 otime = whiteTimeRemaining / 10;
15875 /* [HGM] translate opponent's time by time-odds factor */
15876 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15878 if (time <= 0) time = 1;
15879 if (otime <= 0) otime = 1;
15881 snprintf(message, MSG_SIZ, "time %ld\n", time);
15882 SendToProgram(message, cps);
15884 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15885 SendToProgram(message, cps);
15889 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15892 int len = strlen(name);
15895 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15897 sscanf(*p, "%d", &val);
15899 while (**p && **p != ' ')
15901 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15902 SendToProgram(buf, cps);
15909 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15912 int len = strlen(name);
15913 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15915 sscanf(*p, "%d", loc);
15916 while (**p && **p != ' ') (*p)++;
15917 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15918 SendToProgram(buf, cps);
15925 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15928 int len = strlen(name);
15929 if (strncmp((*p), name, len) == 0
15930 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15932 sscanf(*p, "%[^\"]", loc);
15933 while (**p && **p != '\"') (*p)++;
15934 if (**p == '\"') (*p)++;
15935 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15936 SendToProgram(buf, cps);
15943 ParseOption (Option *opt, ChessProgramState *cps)
15944 // [HGM] options: process the string that defines an engine option, and determine
15945 // name, type, default value, and allowed value range
15947 char *p, *q, buf[MSG_SIZ];
15948 int n, min = (-1)<<31, max = 1<<31, def;
15950 if(p = strstr(opt->name, " -spin ")) {
15951 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15952 if(max < min) max = min; // enforce consistency
15953 if(def < min) def = min;
15954 if(def > max) def = max;
15959 } else if((p = strstr(opt->name, " -slider "))) {
15960 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15961 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15962 if(max < min) max = min; // enforce consistency
15963 if(def < min) def = min;
15964 if(def > max) def = max;
15968 opt->type = Spin; // Slider;
15969 } else if((p = strstr(opt->name, " -string "))) {
15970 opt->textValue = p+9;
15971 opt->type = TextBox;
15972 } else if((p = strstr(opt->name, " -file "))) {
15973 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15974 opt->textValue = p+7;
15975 opt->type = FileName; // FileName;
15976 } else if((p = strstr(opt->name, " -path "))) {
15977 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15978 opt->textValue = p+7;
15979 opt->type = PathName; // PathName;
15980 } else if(p = strstr(opt->name, " -check ")) {
15981 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15982 opt->value = (def != 0);
15983 opt->type = CheckBox;
15984 } else if(p = strstr(opt->name, " -combo ")) {
15985 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15986 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15987 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15988 opt->value = n = 0;
15989 while(q = StrStr(q, " /// ")) {
15990 n++; *q = 0; // count choices, and null-terminate each of them
15992 if(*q == '*') { // remember default, which is marked with * prefix
15996 cps->comboList[cps->comboCnt++] = q;
15998 cps->comboList[cps->comboCnt++] = NULL;
16000 opt->type = ComboBox;
16001 } else if(p = strstr(opt->name, " -button")) {
16002 opt->type = Button;
16003 } else if(p = strstr(opt->name, " -save")) {
16004 opt->type = SaveButton;
16005 } else return FALSE;
16006 *p = 0; // terminate option name
16007 // now look if the command-line options define a setting for this engine option.
16008 if(cps->optionSettings && cps->optionSettings[0])
16009 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16010 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16011 snprintf(buf, MSG_SIZ, "option %s", p);
16012 if(p = strstr(buf, ",")) *p = 0;
16013 if(q = strchr(buf, '=')) switch(opt->type) {
16015 for(n=0; n<opt->max; n++)
16016 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16019 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16023 opt->value = atoi(q+1);
16028 SendToProgram(buf, cps);
16034 FeatureDone (ChessProgramState *cps, int val)
16036 DelayedEventCallback cb = GetDelayedEvent();
16037 if ((cb == InitBackEnd3 && cps == &first) ||
16038 (cb == SettingsMenuIfReady && cps == &second) ||
16039 (cb == LoadEngine) ||
16040 (cb == TwoMachinesEventIfReady)) {
16041 CancelDelayedEvent();
16042 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16044 cps->initDone = val;
16045 if(val) cps->reload = FALSE;
16048 /* Parse feature command from engine */
16050 ParseFeatures (char *args, ChessProgramState *cps)
16058 while (*p == ' ') p++;
16059 if (*p == NULLCHAR) return;
16061 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16062 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16063 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16064 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16065 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16066 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16067 if (BoolFeature(&p, "reuse", &val, cps)) {
16068 /* Engine can disable reuse, but can't enable it if user said no */
16069 if (!val) cps->reuse = FALSE;
16072 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16073 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16074 if (gameMode == TwoMachinesPlay) {
16075 DisplayTwoMachinesTitle();
16081 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16082 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16083 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16084 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16085 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16086 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16087 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16088 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16089 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16090 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16091 if (IntFeature(&p, "done", &val, cps)) {
16092 FeatureDone(cps, val);
16095 /* Added by Tord: */
16096 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16097 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16098 /* End of additions by Tord */
16100 /* [HGM] added features: */
16101 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16102 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16103 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16104 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16105 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16106 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16107 if (StringFeature(&p, "option", buf, cps)) {
16108 if(cps->reload) continue; // we are reloading because of xreuse
16109 FREE(cps->option[cps->nrOptions].name);
16110 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16111 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16112 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16113 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16114 SendToProgram(buf, cps);
16117 if(cps->nrOptions >= MAX_OPTIONS) {
16119 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16120 DisplayError(buf, 0);
16124 /* End of additions by HGM */
16126 /* unknown feature: complain and skip */
16128 while (*q && *q != '=') q++;
16129 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16130 SendToProgram(buf, cps);
16136 while (*p && *p != '\"') p++;
16137 if (*p == '\"') p++;
16139 while (*p && *p != ' ') p++;
16147 PeriodicUpdatesEvent (int newState)
16149 if (newState == appData.periodicUpdates)
16152 appData.periodicUpdates=newState;
16154 /* Display type changes, so update it now */
16155 // DisplayAnalysis();
16157 /* Get the ball rolling again... */
16159 AnalysisPeriodicEvent(1);
16160 StartAnalysisClock();
16165 PonderNextMoveEvent (int newState)
16167 if (newState == appData.ponderNextMove) return;
16168 if (gameMode == EditPosition) EditPositionDone(TRUE);
16170 SendToProgram("hard\n", &first);
16171 if (gameMode == TwoMachinesPlay) {
16172 SendToProgram("hard\n", &second);
16175 SendToProgram("easy\n", &first);
16176 thinkOutput[0] = NULLCHAR;
16177 if (gameMode == TwoMachinesPlay) {
16178 SendToProgram("easy\n", &second);
16181 appData.ponderNextMove = newState;
16185 NewSettingEvent (int option, int *feature, char *command, int value)
16189 if (gameMode == EditPosition) EditPositionDone(TRUE);
16190 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16191 if(feature == NULL || *feature) SendToProgram(buf, &first);
16192 if (gameMode == TwoMachinesPlay) {
16193 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16198 ShowThinkingEvent ()
16199 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16201 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16202 int newState = appData.showThinking
16203 // [HGM] thinking: other features now need thinking output as well
16204 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16206 if (oldState == newState) return;
16207 oldState = newState;
16208 if (gameMode == EditPosition) EditPositionDone(TRUE);
16210 SendToProgram("post\n", &first);
16211 if (gameMode == TwoMachinesPlay) {
16212 SendToProgram("post\n", &second);
16215 SendToProgram("nopost\n", &first);
16216 thinkOutput[0] = NULLCHAR;
16217 if (gameMode == TwoMachinesPlay) {
16218 SendToProgram("nopost\n", &second);
16221 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16225 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16227 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16228 if (pr == NoProc) return;
16229 AskQuestion(title, question, replyPrefix, pr);
16233 TypeInEvent (char firstChar)
16235 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16236 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16237 gameMode == AnalyzeMode || gameMode == EditGame ||
16238 gameMode == EditPosition || gameMode == IcsExamining ||
16239 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16240 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16241 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16242 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16243 gameMode == Training) PopUpMoveDialog(firstChar);
16247 TypeInDoneEvent (char *move)
16250 int n, fromX, fromY, toX, toY;
16252 ChessMove moveType;
16255 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16256 EditPositionPasteFEN(move);
16259 // [HGM] movenum: allow move number to be typed in any mode
16260 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16264 // undocumented kludge: allow command-line option to be typed in!
16265 // (potentially fatal, and does not implement the effect of the option.)
16266 // should only be used for options that are values on which future decisions will be made,
16267 // and definitely not on options that would be used during initialization.
16268 if(strstr(move, "!!! -") == move) {
16269 ParseArgsFromString(move+4);
16273 if (gameMode != EditGame && currentMove != forwardMostMove &&
16274 gameMode != Training) {
16275 DisplayMoveError(_("Displayed move is not current"));
16277 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16278 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16279 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16280 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16281 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16282 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16284 DisplayMoveError(_("Could not parse move"));
16290 DisplayMove (int moveNumber)
16292 char message[MSG_SIZ];
16294 char cpThinkOutput[MSG_SIZ];
16296 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16298 if (moveNumber == forwardMostMove - 1 ||
16299 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16301 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16303 if (strchr(cpThinkOutput, '\n')) {
16304 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16307 *cpThinkOutput = NULLCHAR;
16310 /* [AS] Hide thinking from human user */
16311 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16312 *cpThinkOutput = NULLCHAR;
16313 if( thinkOutput[0] != NULLCHAR ) {
16316 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16317 cpThinkOutput[i] = '.';
16319 cpThinkOutput[i] = NULLCHAR;
16320 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16324 if (moveNumber == forwardMostMove - 1 &&
16325 gameInfo.resultDetails != NULL) {
16326 if (gameInfo.resultDetails[0] == NULLCHAR) {
16327 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16329 snprintf(res, MSG_SIZ, " {%s} %s",
16330 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16336 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16337 DisplayMessage(res, cpThinkOutput);
16339 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16340 WhiteOnMove(moveNumber) ? " " : ".. ",
16341 parseList[moveNumber], res);
16342 DisplayMessage(message, cpThinkOutput);
16347 DisplayComment (int moveNumber, char *text)
16349 char title[MSG_SIZ];
16351 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16352 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16354 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16355 WhiteOnMove(moveNumber) ? " " : ".. ",
16356 parseList[moveNumber]);
16358 if (text != NULL && (appData.autoDisplayComment || commentUp))
16359 CommentPopUp(title, text);
16362 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16363 * might be busy thinking or pondering. It can be omitted if your
16364 * gnuchess is configured to stop thinking immediately on any user
16365 * input. However, that gnuchess feature depends on the FIONREAD
16366 * ioctl, which does not work properly on some flavors of Unix.
16369 Attention (ChessProgramState *cps)
16372 if (!cps->useSigint) return;
16373 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16374 switch (gameMode) {
16375 case MachinePlaysWhite:
16376 case MachinePlaysBlack:
16377 case TwoMachinesPlay:
16378 case IcsPlayingWhite:
16379 case IcsPlayingBlack:
16382 /* Skip if we know it isn't thinking */
16383 if (!cps->maybeThinking) return;
16384 if (appData.debugMode)
16385 fprintf(debugFP, "Interrupting %s\n", cps->which);
16386 InterruptChildProcess(cps->pr);
16387 cps->maybeThinking = FALSE;
16392 #endif /*ATTENTION*/
16398 if (whiteTimeRemaining <= 0) {
16401 if (appData.icsActive) {
16402 if (appData.autoCallFlag &&
16403 gameMode == IcsPlayingBlack && !blackFlag) {
16404 SendToICS(ics_prefix);
16405 SendToICS("flag\n");
16409 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16411 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16412 if (appData.autoCallFlag) {
16413 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16420 if (blackTimeRemaining <= 0) {
16423 if (appData.icsActive) {
16424 if (appData.autoCallFlag &&
16425 gameMode == IcsPlayingWhite && !whiteFlag) {
16426 SendToICS(ics_prefix);
16427 SendToICS("flag\n");
16431 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16433 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16434 if (appData.autoCallFlag) {
16435 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16446 CheckTimeControl ()
16448 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16449 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16452 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16454 if ( !WhiteOnMove(forwardMostMove) ) {
16455 /* White made time control */
16456 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16457 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16458 /* [HGM] time odds: correct new time quota for time odds! */
16459 / WhitePlayer()->timeOdds;
16460 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16462 lastBlack -= blackTimeRemaining;
16463 /* Black made time control */
16464 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16465 / WhitePlayer()->other->timeOdds;
16466 lastWhite = whiteTimeRemaining;
16471 DisplayBothClocks ()
16473 int wom = gameMode == EditPosition ?
16474 !blackPlaysFirst : WhiteOnMove(currentMove);
16475 DisplayWhiteClock(whiteTimeRemaining, wom);
16476 DisplayBlackClock(blackTimeRemaining, !wom);
16480 /* Timekeeping seems to be a portability nightmare. I think everyone
16481 has ftime(), but I'm really not sure, so I'm including some ifdefs
16482 to use other calls if you don't. Clocks will be less accurate if
16483 you have neither ftime nor gettimeofday.
16486 /* VS 2008 requires the #include outside of the function */
16487 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16488 #include <sys/timeb.h>
16491 /* Get the current time as a TimeMark */
16493 GetTimeMark (TimeMark *tm)
16495 #if HAVE_GETTIMEOFDAY
16497 struct timeval timeVal;
16498 struct timezone timeZone;
16500 gettimeofday(&timeVal, &timeZone);
16501 tm->sec = (long) timeVal.tv_sec;
16502 tm->ms = (int) (timeVal.tv_usec / 1000L);
16504 #else /*!HAVE_GETTIMEOFDAY*/
16507 // include <sys/timeb.h> / moved to just above start of function
16508 struct timeb timeB;
16511 tm->sec = (long) timeB.time;
16512 tm->ms = (int) timeB.millitm;
16514 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16515 tm->sec = (long) time(NULL);
16521 /* Return the difference in milliseconds between two
16522 time marks. We assume the difference will fit in a long!
16525 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16527 return 1000L*(tm2->sec - tm1->sec) +
16528 (long) (tm2->ms - tm1->ms);
16533 * Code to manage the game clocks.
16535 * In tournament play, black starts the clock and then white makes a move.
16536 * We give the human user a slight advantage if he is playing white---the
16537 * clocks don't run until he makes his first move, so it takes zero time.
16538 * Also, we don't account for network lag, so we could get out of sync
16539 * with GNU Chess's clock -- but then, referees are always right.
16542 static TimeMark tickStartTM;
16543 static long intendedTickLength;
16546 NextTickLength (long timeRemaining)
16548 long nominalTickLength, nextTickLength;
16550 if (timeRemaining > 0L && timeRemaining <= 10000L)
16551 nominalTickLength = 100L;
16553 nominalTickLength = 1000L;
16554 nextTickLength = timeRemaining % nominalTickLength;
16555 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16557 return nextTickLength;
16560 /* Adjust clock one minute up or down */
16562 AdjustClock (Boolean which, int dir)
16564 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16565 if(which) blackTimeRemaining += 60000*dir;
16566 else whiteTimeRemaining += 60000*dir;
16567 DisplayBothClocks();
16568 adjustedClock = TRUE;
16571 /* Stop clocks and reset to a fresh time control */
16575 (void) StopClockTimer();
16576 if (appData.icsActive) {
16577 whiteTimeRemaining = blackTimeRemaining = 0;
16578 } else if (searchTime) {
16579 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16580 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16581 } else { /* [HGM] correct new time quote for time odds */
16582 whiteTC = blackTC = fullTimeControlString;
16583 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16584 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16586 if (whiteFlag || blackFlag) {
16588 whiteFlag = blackFlag = FALSE;
16590 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16591 DisplayBothClocks();
16592 adjustedClock = FALSE;
16595 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16597 /* Decrement running clock by amount of time that has passed */
16601 long timeRemaining;
16602 long lastTickLength, fudge;
16605 if (!appData.clockMode) return;
16606 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16610 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16612 /* Fudge if we woke up a little too soon */
16613 fudge = intendedTickLength - lastTickLength;
16614 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16616 if (WhiteOnMove(forwardMostMove)) {
16617 if(whiteNPS >= 0) lastTickLength = 0;
16618 timeRemaining = whiteTimeRemaining -= lastTickLength;
16619 if(timeRemaining < 0 && !appData.icsActive) {
16620 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16621 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16622 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16623 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16626 DisplayWhiteClock(whiteTimeRemaining - fudge,
16627 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16629 if(blackNPS >= 0) lastTickLength = 0;
16630 timeRemaining = blackTimeRemaining -= lastTickLength;
16631 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16632 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16634 blackStartMove = forwardMostMove;
16635 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16638 DisplayBlackClock(blackTimeRemaining - fudge,
16639 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16641 if (CheckFlags()) return;
16643 if(twoBoards) { // count down secondary board's clocks as well
16644 activePartnerTime -= lastTickLength;
16646 if(activePartner == 'W')
16647 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16649 DisplayBlackClock(activePartnerTime, TRUE);
16654 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16655 StartClockTimer(intendedTickLength);
16657 /* if the time remaining has fallen below the alarm threshold, sound the
16658 * alarm. if the alarm has sounded and (due to a takeback or time control
16659 * with increment) the time remaining has increased to a level above the
16660 * threshold, reset the alarm so it can sound again.
16663 if (appData.icsActive && appData.icsAlarm) {
16665 /* make sure we are dealing with the user's clock */
16666 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16667 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16670 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16671 alarmSounded = FALSE;
16672 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16674 alarmSounded = TRUE;
16680 /* A player has just moved, so stop the previously running
16681 clock and (if in clock mode) start the other one.
16682 We redisplay both clocks in case we're in ICS mode, because
16683 ICS gives us an update to both clocks after every move.
16684 Note that this routine is called *after* forwardMostMove
16685 is updated, so the last fractional tick must be subtracted
16686 from the color that is *not* on move now.
16689 SwitchClocks (int newMoveNr)
16691 long lastTickLength;
16693 int flagged = FALSE;
16697 if (StopClockTimer() && appData.clockMode) {
16698 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16699 if (!WhiteOnMove(forwardMostMove)) {
16700 if(blackNPS >= 0) lastTickLength = 0;
16701 blackTimeRemaining -= lastTickLength;
16702 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16703 // if(pvInfoList[forwardMostMove].time == -1)
16704 pvInfoList[forwardMostMove].time = // use GUI time
16705 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16707 if(whiteNPS >= 0) lastTickLength = 0;
16708 whiteTimeRemaining -= lastTickLength;
16709 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16710 // if(pvInfoList[forwardMostMove].time == -1)
16711 pvInfoList[forwardMostMove].time =
16712 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16714 flagged = CheckFlags();
16716 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16717 CheckTimeControl();
16719 if (flagged || !appData.clockMode) return;
16721 switch (gameMode) {
16722 case MachinePlaysBlack:
16723 case MachinePlaysWhite:
16724 case BeginningOfGame:
16725 if (pausing) return;
16729 case PlayFromGameFile:
16737 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16738 if(WhiteOnMove(forwardMostMove))
16739 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16740 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16744 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16745 whiteTimeRemaining : blackTimeRemaining);
16746 StartClockTimer(intendedTickLength);
16750 /* Stop both clocks */
16754 long lastTickLength;
16757 if (!StopClockTimer()) return;
16758 if (!appData.clockMode) return;
16762 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16763 if (WhiteOnMove(forwardMostMove)) {
16764 if(whiteNPS >= 0) lastTickLength = 0;
16765 whiteTimeRemaining -= lastTickLength;
16766 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16768 if(blackNPS >= 0) lastTickLength = 0;
16769 blackTimeRemaining -= lastTickLength;
16770 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16775 /* Start clock of player on move. Time may have been reset, so
16776 if clock is already running, stop and restart it. */
16780 (void) StopClockTimer(); /* in case it was running already */
16781 DisplayBothClocks();
16782 if (CheckFlags()) return;
16784 if (!appData.clockMode) return;
16785 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16787 GetTimeMark(&tickStartTM);
16788 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16789 whiteTimeRemaining : blackTimeRemaining);
16791 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16792 whiteNPS = blackNPS = -1;
16793 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16794 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16795 whiteNPS = first.nps;
16796 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16797 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16798 blackNPS = first.nps;
16799 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16800 whiteNPS = second.nps;
16801 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16802 blackNPS = second.nps;
16803 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16805 StartClockTimer(intendedTickLength);
16809 TimeString (long ms)
16811 long second, minute, hour, day;
16813 static char buf[32];
16815 if (ms > 0 && ms <= 9900) {
16816 /* convert milliseconds to tenths, rounding up */
16817 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16819 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16823 /* convert milliseconds to seconds, rounding up */
16824 /* use floating point to avoid strangeness of integer division
16825 with negative dividends on many machines */
16826 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16833 day = second / (60 * 60 * 24);
16834 second = second % (60 * 60 * 24);
16835 hour = second / (60 * 60);
16836 second = second % (60 * 60);
16837 minute = second / 60;
16838 second = second % 60;
16841 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16842 sign, day, hour, minute, second);
16844 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16846 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16853 * This is necessary because some C libraries aren't ANSI C compliant yet.
16856 StrStr (char *string, char *match)
16860 length = strlen(match);
16862 for (i = strlen(string) - length; i >= 0; i--, string++)
16863 if (!strncmp(match, string, length))
16870 StrCaseStr (char *string, char *match)
16874 length = strlen(match);
16876 for (i = strlen(string) - length; i >= 0; i--, string++) {
16877 for (j = 0; j < length; j++) {
16878 if (ToLower(match[j]) != ToLower(string[j]))
16881 if (j == length) return string;
16889 StrCaseCmp (char *s1, char *s2)
16894 c1 = ToLower(*s1++);
16895 c2 = ToLower(*s2++);
16896 if (c1 > c2) return 1;
16897 if (c1 < c2) return -1;
16898 if (c1 == NULLCHAR) return 0;
16906 return isupper(c) ? tolower(c) : c;
16913 return islower(c) ? toupper(c) : c;
16915 #endif /* !_amigados */
16922 if ((ret = (char *) malloc(strlen(s) + 1)))
16924 safeStrCpy(ret, s, strlen(s)+1);
16930 StrSavePtr (char *s, char **savePtr)
16935 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16936 safeStrCpy(*savePtr, s, strlen(s)+1);
16948 clock = time((time_t *)NULL);
16949 tm = localtime(&clock);
16950 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16951 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16952 return StrSave(buf);
16957 PositionToFEN (int move, char *overrideCastling)
16959 int i, j, fromX, fromY, toX, toY;
16966 whiteToPlay = (gameMode == EditPosition) ?
16967 !blackPlaysFirst : (move % 2 == 0);
16970 /* Piece placement data */
16971 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16972 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16974 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16975 if (boards[move][i][j] == EmptySquare) {
16977 } else { ChessSquare piece = boards[move][i][j];
16978 if (emptycount > 0) {
16979 if(emptycount<10) /* [HGM] can be >= 10 */
16980 *p++ = '0' + emptycount;
16981 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16984 if(PieceToChar(piece) == '+') {
16985 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16987 piece = (ChessSquare)(DEMOTED piece);
16989 *p++ = PieceToChar(piece);
16991 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16992 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16997 if (emptycount > 0) {
16998 if(emptycount<10) /* [HGM] can be >= 10 */
16999 *p++ = '0' + emptycount;
17000 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17007 /* [HGM] print Crazyhouse or Shogi holdings */
17008 if( gameInfo.holdingsWidth ) {
17009 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17011 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17012 piece = boards[move][i][BOARD_WIDTH-1];
17013 if( piece != EmptySquare )
17014 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17015 *p++ = PieceToChar(piece);
17017 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17018 piece = boards[move][BOARD_HEIGHT-i-1][0];
17019 if( piece != EmptySquare )
17020 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17021 *p++ = PieceToChar(piece);
17024 if( q == p ) *p++ = '-';
17030 *p++ = whiteToPlay ? 'w' : 'b';
17033 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17034 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17036 if(nrCastlingRights) {
17038 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17039 /* [HGM] write directly from rights */
17040 if(boards[move][CASTLING][2] != NoRights &&
17041 boards[move][CASTLING][0] != NoRights )
17042 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17043 if(boards[move][CASTLING][2] != NoRights &&
17044 boards[move][CASTLING][1] != NoRights )
17045 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17046 if(boards[move][CASTLING][5] != NoRights &&
17047 boards[move][CASTLING][3] != NoRights )
17048 *p++ = boards[move][CASTLING][3] + AAA;
17049 if(boards[move][CASTLING][5] != NoRights &&
17050 boards[move][CASTLING][4] != NoRights )
17051 *p++ = boards[move][CASTLING][4] + AAA;
17054 /* [HGM] write true castling rights */
17055 if( nrCastlingRights == 6 ) {
17057 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17058 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17059 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17060 boards[move][CASTLING][2] != NoRights );
17061 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17062 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17063 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17064 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17065 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17069 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17070 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17071 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17072 boards[move][CASTLING][5] != NoRights );
17073 if(gameInfo.variant == VariantSChess) {
17074 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17075 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17076 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17077 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17082 if (q == p) *p++ = '-'; /* No castling rights */
17086 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17087 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17088 /* En passant target square */
17089 if (move > backwardMostMove) {
17090 fromX = moveList[move - 1][0] - AAA;
17091 fromY = moveList[move - 1][1] - ONE;
17092 toX = moveList[move - 1][2] - AAA;
17093 toY = moveList[move - 1][3] - ONE;
17094 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17095 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17096 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17098 /* 2-square pawn move just happened */
17100 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17104 } else if(move == backwardMostMove) {
17105 // [HGM] perhaps we should always do it like this, and forget the above?
17106 if((signed char)boards[move][EP_STATUS] >= 0) {
17107 *p++ = boards[move][EP_STATUS] + AAA;
17108 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17119 /* [HGM] find reversible plies */
17120 { int i = 0, j=move;
17122 if (appData.debugMode) { int k;
17123 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17124 for(k=backwardMostMove; k<=forwardMostMove; k++)
17125 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17129 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17130 if( j == backwardMostMove ) i += initialRulePlies;
17131 sprintf(p, "%d ", i);
17132 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17134 /* Fullmove number */
17135 sprintf(p, "%d", (move / 2) + 1);
17137 return StrSave(buf);
17141 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17145 int emptycount, virgin[BOARD_FILES];
17150 /* [HGM] by default clear Crazyhouse holdings, if present */
17151 if(gameInfo.holdingsWidth) {
17152 for(i=0; i<BOARD_HEIGHT; i++) {
17153 board[i][0] = EmptySquare; /* black holdings */
17154 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17155 board[i][1] = (ChessSquare) 0; /* black counts */
17156 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17160 /* Piece placement data */
17161 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17164 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17165 if (*p == '/') p++;
17166 emptycount = gameInfo.boardWidth - j;
17167 while (emptycount--)
17168 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17170 #if(BOARD_FILES >= 10)
17171 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17172 p++; emptycount=10;
17173 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17174 while (emptycount--)
17175 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17177 } else if (isdigit(*p)) {
17178 emptycount = *p++ - '0';
17179 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17180 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17181 while (emptycount--)
17182 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17183 } else if (*p == '+' || isalpha(*p)) {
17184 if (j >= gameInfo.boardWidth) return FALSE;
17186 piece = CharToPiece(*++p);
17187 if(piece == EmptySquare) return FALSE; /* unknown piece */
17188 piece = (ChessSquare) (PROMOTED piece ); p++;
17189 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17190 } else piece = CharToPiece(*p++);
17192 if(piece==EmptySquare) return FALSE; /* unknown piece */
17193 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17194 piece = (ChessSquare) (PROMOTED piece);
17195 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17198 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17204 while (*p == '/' || *p == ' ') p++;
17206 /* [HGM] look for Crazyhouse holdings here */
17207 while(*p==' ') p++;
17208 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17210 if(*p == '-' ) p++; /* empty holdings */ else {
17211 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17212 /* if we would allow FEN reading to set board size, we would */
17213 /* have to add holdings and shift the board read so far here */
17214 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17216 if((int) piece >= (int) BlackPawn ) {
17217 i = (int)piece - (int)BlackPawn;
17218 i = PieceToNumber((ChessSquare)i);
17219 if( i >= gameInfo.holdingsSize ) return FALSE;
17220 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17221 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17223 i = (int)piece - (int)WhitePawn;
17224 i = PieceToNumber((ChessSquare)i);
17225 if( i >= gameInfo.holdingsSize ) return FALSE;
17226 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17227 board[i][BOARD_WIDTH-2]++; /* black holdings */
17234 while(*p == ' ') p++;
17238 if(appData.colorNickNames) {
17239 if( c == appData.colorNickNames[0] ) c = 'w'; else
17240 if( c == appData.colorNickNames[1] ) c = 'b';
17244 *blackPlaysFirst = FALSE;
17247 *blackPlaysFirst = TRUE;
17253 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17254 /* return the extra info in global variiables */
17256 /* set defaults in case FEN is incomplete */
17257 board[EP_STATUS] = EP_UNKNOWN;
17258 for(i=0; i<nrCastlingRights; i++ ) {
17259 board[CASTLING][i] =
17260 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17261 } /* assume possible unless obviously impossible */
17262 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17263 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17264 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17265 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17266 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17267 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17268 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17269 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17272 while(*p==' ') p++;
17273 if(nrCastlingRights) {
17274 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17275 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17276 /* castling indicator present, so default becomes no castlings */
17277 for(i=0; i<nrCastlingRights; i++ ) {
17278 board[CASTLING][i] = NoRights;
17281 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17282 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17283 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17284 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17285 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17287 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17288 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17289 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17291 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17292 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17293 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17294 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17295 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17296 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17299 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17300 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17301 board[CASTLING][2] = whiteKingFile;
17302 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17303 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17306 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17307 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17308 board[CASTLING][2] = whiteKingFile;
17309 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17310 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17313 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17314 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17315 board[CASTLING][5] = blackKingFile;
17316 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17317 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17320 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17321 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17322 board[CASTLING][5] = blackKingFile;
17323 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17324 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17327 default: /* FRC castlings */
17328 if(c >= 'a') { /* black rights */
17329 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17330 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17331 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17332 if(i == BOARD_RGHT) break;
17333 board[CASTLING][5] = i;
17335 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17336 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17338 board[CASTLING][3] = c;
17340 board[CASTLING][4] = c;
17341 } else { /* white rights */
17342 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17343 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17344 if(board[0][i] == WhiteKing) break;
17345 if(i == BOARD_RGHT) break;
17346 board[CASTLING][2] = i;
17347 c -= AAA - 'a' + 'A';
17348 if(board[0][c] >= WhiteKing) break;
17350 board[CASTLING][0] = c;
17352 board[CASTLING][1] = c;
17356 for(i=0; i<nrCastlingRights; i++)
17357 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17358 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17359 if (appData.debugMode) {
17360 fprintf(debugFP, "FEN castling rights:");
17361 for(i=0; i<nrCastlingRights; i++)
17362 fprintf(debugFP, " %d", board[CASTLING][i]);
17363 fprintf(debugFP, "\n");
17366 while(*p==' ') p++;
17369 /* read e.p. field in games that know e.p. capture */
17370 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17371 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17373 p++; board[EP_STATUS] = EP_NONE;
17375 char c = *p++ - AAA;
17377 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17378 if(*p >= '0' && *p <='9') p++;
17379 board[EP_STATUS] = c;
17384 if(sscanf(p, "%d", &i) == 1) {
17385 FENrulePlies = i; /* 50-move ply counter */
17386 /* (The move number is still ignored) */
17393 EditPositionPasteFEN (char *fen)
17396 Board initial_position;
17398 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17399 DisplayError(_("Bad FEN position in clipboard"), 0);
17402 int savedBlackPlaysFirst = blackPlaysFirst;
17403 EditPositionEvent();
17404 blackPlaysFirst = savedBlackPlaysFirst;
17405 CopyBoard(boards[0], initial_position);
17406 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17407 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17408 DisplayBothClocks();
17409 DrawPosition(FALSE, boards[currentMove]);
17414 static char cseq[12] = "\\ ";
17417 set_cont_sequence (char *new_seq)
17422 // handle bad attempts to set the sequence
17424 return 0; // acceptable error - no debug
17426 len = strlen(new_seq);
17427 ret = (len > 0) && (len < sizeof(cseq));
17429 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17430 else if (appData.debugMode)
17431 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17436 reformat a source message so words don't cross the width boundary. internal
17437 newlines are not removed. returns the wrapped size (no null character unless
17438 included in source message). If dest is NULL, only calculate the size required
17439 for the dest buffer. lp argument indicats line position upon entry, and it's
17440 passed back upon exit.
17443 wrap (char *dest, char *src, int count, int width, int *lp)
17445 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17447 cseq_len = strlen(cseq);
17448 old_line = line = *lp;
17449 ansi = len = clen = 0;
17451 for (i=0; i < count; i++)
17453 if (src[i] == '\033')
17456 // if we hit the width, back up
17457 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17459 // store i & len in case the word is too long
17460 old_i = i, old_len = len;
17462 // find the end of the last word
17463 while (i && src[i] != ' ' && src[i] != '\n')
17469 // word too long? restore i & len before splitting it
17470 if ((old_i-i+clen) >= width)
17477 if (i && src[i-1] == ' ')
17480 if (src[i] != ' ' && src[i] != '\n')
17487 // now append the newline and continuation sequence
17492 strncpy(dest+len, cseq, cseq_len);
17500 dest[len] = src[i];
17504 if (src[i] == '\n')
17509 if (dest && appData.debugMode)
17511 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17512 count, width, line, len, *lp);
17513 show_bytes(debugFP, src, count);
17514 fprintf(debugFP, "\ndest: ");
17515 show_bytes(debugFP, dest, len);
17516 fprintf(debugFP, "\n");
17518 *lp = dest ? line : old_line;
17523 // [HGM] vari: routines for shelving variations
17524 Boolean modeRestore = FALSE;
17527 PushInner (int firstMove, int lastMove)
17529 int i, j, nrMoves = lastMove - firstMove;
17531 // push current tail of game on stack
17532 savedResult[storedGames] = gameInfo.result;
17533 savedDetails[storedGames] = gameInfo.resultDetails;
17534 gameInfo.resultDetails = NULL;
17535 savedFirst[storedGames] = firstMove;
17536 savedLast [storedGames] = lastMove;
17537 savedFramePtr[storedGames] = framePtr;
17538 framePtr -= nrMoves; // reserve space for the boards
17539 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17540 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17541 for(j=0; j<MOVE_LEN; j++)
17542 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17543 for(j=0; j<2*MOVE_LEN; j++)
17544 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17545 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17546 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17547 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17548 pvInfoList[firstMove+i-1].depth = 0;
17549 commentList[framePtr+i] = commentList[firstMove+i];
17550 commentList[firstMove+i] = NULL;
17554 forwardMostMove = firstMove; // truncate game so we can start variation
17558 PushTail (int firstMove, int lastMove)
17560 if(appData.icsActive) { // only in local mode
17561 forwardMostMove = currentMove; // mimic old ICS behavior
17564 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17566 PushInner(firstMove, lastMove);
17567 if(storedGames == 1) GreyRevert(FALSE);
17568 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17572 PopInner (Boolean annotate)
17575 char buf[8000], moveBuf[20];
17577 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17578 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17579 nrMoves = savedLast[storedGames] - currentMove;
17582 if(!WhiteOnMove(currentMove))
17583 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17584 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17585 for(i=currentMove; i<forwardMostMove; i++) {
17587 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17588 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17589 strcat(buf, moveBuf);
17590 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17591 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17595 for(i=1; i<=nrMoves; i++) { // copy last variation back
17596 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17597 for(j=0; j<MOVE_LEN; j++)
17598 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17599 for(j=0; j<2*MOVE_LEN; j++)
17600 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17601 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17602 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17603 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17604 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17605 commentList[currentMove+i] = commentList[framePtr+i];
17606 commentList[framePtr+i] = NULL;
17608 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17609 framePtr = savedFramePtr[storedGames];
17610 gameInfo.result = savedResult[storedGames];
17611 if(gameInfo.resultDetails != NULL) {
17612 free(gameInfo.resultDetails);
17614 gameInfo.resultDetails = savedDetails[storedGames];
17615 forwardMostMove = currentMove + nrMoves;
17619 PopTail (Boolean annotate)
17621 if(appData.icsActive) return FALSE; // only in local mode
17622 if(!storedGames) return FALSE; // sanity
17623 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17625 PopInner(annotate);
17626 if(currentMove < forwardMostMove) ForwardEvent(); else
17627 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17629 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17635 { // remove all shelved variations
17637 for(i=0; i<storedGames; i++) {
17638 if(savedDetails[i])
17639 free(savedDetails[i]);
17640 savedDetails[i] = NULL;
17642 for(i=framePtr; i<MAX_MOVES; i++) {
17643 if(commentList[i]) free(commentList[i]);
17644 commentList[i] = NULL;
17646 framePtr = MAX_MOVES-1;
17651 LoadVariation (int index, char *text)
17652 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17653 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17654 int level = 0, move;
17656 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17657 // first find outermost bracketing variation
17658 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17659 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17660 if(*p == '{') wait = '}'; else
17661 if(*p == '[') wait = ']'; else
17662 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17663 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17665 if(*p == wait) wait = NULLCHAR; // closing ]} found
17668 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17669 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17670 end[1] = NULLCHAR; // clip off comment beyond variation
17671 ToNrEvent(currentMove-1);
17672 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17673 // kludge: use ParsePV() to append variation to game
17674 move = currentMove;
17675 ParsePV(start, TRUE, TRUE);
17676 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17677 ClearPremoveHighlights();
17679 ToNrEvent(currentMove+1);
17685 char *p, *q, buf[MSG_SIZ];
17686 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17687 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17688 ParseArgsFromString(buf);
17689 ActivateTheme(TRUE); // also redo colors
17693 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17696 q = appData.themeNames;
17697 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17698 if(appData.useBitmaps) {
17699 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17700 appData.liteBackTextureFile, appData.darkBackTextureFile,
17701 appData.liteBackTextureMode,
17702 appData.darkBackTextureMode );
17704 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17705 Col2Text(2), // lightSquareColor
17706 Col2Text(3) ); // darkSquareColor
17708 if(appData.useBorder) {
17709 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17712 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17714 if(appData.useFont) {
17715 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17716 appData.renderPiecesWithFont,
17717 appData.fontToPieceTable,
17718 Col2Text(9), // appData.fontBackColorWhite
17719 Col2Text(10) ); // appData.fontForeColorBlack
17721 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17722 appData.pieceDirectory);
17723 if(!appData.pieceDirectory[0])
17724 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17725 Col2Text(0), // whitePieceColor
17726 Col2Text(1) ); // blackPieceColor
17728 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17729 Col2Text(4), // highlightSquareColor
17730 Col2Text(5) ); // premoveHighlightColor
17731 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17732 if(insert != q) insert[-1] = NULLCHAR;
17733 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17736 ActivateTheme(FALSE);