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);
10349 } else { // no engine with this nickname is installed!
10350 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10351 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10352 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10354 DisplayError(buf, 0);
10361 char *recentEngines;
10364 RecentEngineEvent (int nr)
10367 // SwapEngines(1); // bump first to second
10368 // ReplaceEngine(&second, 1); // and load it there
10369 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10370 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10371 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10372 ReplaceEngine(&first, 0);
10373 FloatToFront(&appData.recentEngineList, command[n]);
10378 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10379 { // determine players from game number
10380 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10382 if(appData.tourneyType == 0) {
10383 roundsPerCycle = (nPlayers - 1) | 1;
10384 pairingsPerRound = nPlayers / 2;
10385 } else if(appData.tourneyType > 0) {
10386 roundsPerCycle = nPlayers - appData.tourneyType;
10387 pairingsPerRound = appData.tourneyType;
10389 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10390 gamesPerCycle = gamesPerRound * roundsPerCycle;
10391 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10392 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10393 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10394 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10395 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10396 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10398 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10399 if(appData.roundSync) *syncInterval = gamesPerRound;
10401 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10403 if(appData.tourneyType == 0) {
10404 if(curPairing == (nPlayers-1)/2 ) {
10405 *whitePlayer = curRound;
10406 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10408 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10409 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10410 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10411 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10413 } else if(appData.tourneyType > 1) {
10414 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10415 *whitePlayer = curRound + appData.tourneyType;
10416 } else if(appData.tourneyType > 0) {
10417 *whitePlayer = curPairing;
10418 *blackPlayer = curRound + appData.tourneyType;
10421 // take care of white/black alternation per round.
10422 // For cycles and games this is already taken care of by default, derived from matchGame!
10423 return curRound & 1;
10427 NextTourneyGame (int nr, int *swapColors)
10428 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10430 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10432 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10433 tf = fopen(appData.tourneyFile, "r");
10434 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10435 ParseArgsFromFile(tf); fclose(tf);
10436 InitTimeControls(); // TC might be altered from tourney file
10438 nPlayers = CountPlayers(appData.participants); // count participants
10439 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10440 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10443 p = q = appData.results;
10444 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10445 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10446 DisplayMessage(_("Waiting for other game(s)"),"");
10447 waitingForGame = TRUE;
10448 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10451 waitingForGame = FALSE;
10454 if(appData.tourneyType < 0) {
10455 if(nr>=0 && !pairingReceived) {
10457 if(pairing.pr == NoProc) {
10458 if(!appData.pairingEngine[0]) {
10459 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10462 StartChessProgram(&pairing); // starts the pairing engine
10464 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10465 SendToProgram(buf, &pairing);
10466 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10467 SendToProgram(buf, &pairing);
10468 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10470 pairingReceived = 0; // ... so we continue here
10472 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10473 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10474 matchGame = 1; roundNr = nr / syncInterval + 1;
10477 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10479 // redefine engines, engine dir, etc.
10480 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10481 if(first.pr == NoProc) {
10482 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10483 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10485 if(second.pr == NoProc) {
10487 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10488 SwapEngines(1); // and make that valid for second engine by swapping
10489 InitEngine(&second, 1);
10491 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10492 UpdateLogos(FALSE); // leave display to ModeHiglight()
10498 { // performs game initialization that does not invoke engines, and then tries to start the game
10499 int res, firstWhite, swapColors = 0;
10500 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10501 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
10503 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10504 if(strcmp(buf, currentDebugFile)) { // name has changed
10505 FILE *f = fopen(buf, "w");
10506 if(f) { // if opening the new file failed, just keep using the old one
10507 ASSIGN(currentDebugFile, buf);
10511 if(appData.serverFileName) {
10512 if(serverFP) fclose(serverFP);
10513 serverFP = fopen(appData.serverFileName, "w");
10514 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10515 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10519 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10520 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10521 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10522 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10523 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10524 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10525 Reset(FALSE, first.pr != NoProc);
10526 res = LoadGameOrPosition(matchGame); // setup game
10527 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10528 if(!res) return; // abort when bad game/pos file
10529 TwoMachinesEvent();
10533 UserAdjudicationEvent (int result)
10535 ChessMove gameResult = GameIsDrawn;
10538 gameResult = WhiteWins;
10540 else if( result < 0 ) {
10541 gameResult = BlackWins;
10544 if( gameMode == TwoMachinesPlay ) {
10545 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10550 // [HGM] save: calculate checksum of game to make games easily identifiable
10552 StringCheckSum (char *s)
10555 if(s==NULL) return 0;
10556 while(*s) i = i*259 + *s++;
10564 for(i=backwardMostMove; i<forwardMostMove; i++) {
10565 sum += pvInfoList[i].depth;
10566 sum += StringCheckSum(parseList[i]);
10567 sum += StringCheckSum(commentList[i]);
10570 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10571 return sum + StringCheckSum(commentList[i]);
10572 } // end of save patch
10575 GameEnds (ChessMove result, char *resultDetails, int whosays)
10577 GameMode nextGameMode;
10579 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10581 if(endingGame) return; /* [HGM] crash: forbid recursion */
10583 if(twoBoards) { // [HGM] dual: switch back to one board
10584 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10585 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10587 if (appData.debugMode) {
10588 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10589 result, resultDetails ? resultDetails : "(null)", whosays);
10592 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10594 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10596 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10597 /* If we are playing on ICS, the server decides when the
10598 game is over, but the engine can offer to draw, claim
10602 if (appData.zippyPlay && first.initDone) {
10603 if (result == GameIsDrawn) {
10604 /* In case draw still needs to be claimed */
10605 SendToICS(ics_prefix);
10606 SendToICS("draw\n");
10607 } else if (StrCaseStr(resultDetails, "resign")) {
10608 SendToICS(ics_prefix);
10609 SendToICS("resign\n");
10613 endingGame = 0; /* [HGM] crash */
10617 /* If we're loading the game from a file, stop */
10618 if (whosays == GE_FILE) {
10619 (void) StopLoadGameTimer();
10623 /* Cancel draw offers */
10624 first.offeredDraw = second.offeredDraw = 0;
10626 /* If this is an ICS game, only ICS can really say it's done;
10627 if not, anyone can. */
10628 isIcsGame = (gameMode == IcsPlayingWhite ||
10629 gameMode == IcsPlayingBlack ||
10630 gameMode == IcsObserving ||
10631 gameMode == IcsExamining);
10633 if (!isIcsGame || whosays == GE_ICS) {
10634 /* OK -- not an ICS game, or ICS said it was done */
10636 if (!isIcsGame && !appData.noChessProgram)
10637 SetUserThinkingEnables();
10639 /* [HGM] if a machine claims the game end we verify this claim */
10640 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10641 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10643 ChessMove trueResult = (ChessMove) -1;
10645 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10646 first.twoMachinesColor[0] :
10647 second.twoMachinesColor[0] ;
10649 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10650 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10651 /* [HGM] verify: engine mate claims accepted if they were flagged */
10652 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10654 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10655 /* [HGM] verify: engine mate claims accepted if they were flagged */
10656 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10658 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10659 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10662 // now verify win claims, but not in drop games, as we don't understand those yet
10663 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10664 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10665 (result == WhiteWins && claimer == 'w' ||
10666 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10667 if (appData.debugMode) {
10668 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10669 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10671 if(result != trueResult) {
10672 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10673 result = claimer == 'w' ? BlackWins : WhiteWins;
10674 resultDetails = buf;
10677 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10678 && (forwardMostMove <= backwardMostMove ||
10679 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10680 (claimer=='b')==(forwardMostMove&1))
10682 /* [HGM] verify: draws that were not flagged are false claims */
10683 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10684 result = claimer == 'w' ? BlackWins : WhiteWins;
10685 resultDetails = buf;
10687 /* (Claiming a loss is accepted no questions asked!) */
10688 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10689 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10690 result = GameUnfinished;
10691 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10693 /* [HGM] bare: don't allow bare King to win */
10694 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10695 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10696 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10697 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10698 && result != GameIsDrawn)
10699 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10700 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10701 int p = (signed char)boards[forwardMostMove][i][j] - color;
10702 if(p >= 0 && p <= (int)WhiteKing) k++;
10704 if (appData.debugMode) {
10705 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10706 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10709 result = GameIsDrawn;
10710 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10711 resultDetails = buf;
10717 if(serverMoves != NULL && !loadFlag) { char c = '=';
10718 if(result==WhiteWins) c = '+';
10719 if(result==BlackWins) c = '-';
10720 if(resultDetails != NULL)
10721 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10723 if (resultDetails != NULL) {
10724 gameInfo.result = result;
10725 gameInfo.resultDetails = StrSave(resultDetails);
10727 /* display last move only if game was not loaded from file */
10728 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10729 DisplayMove(currentMove - 1);
10731 if (forwardMostMove != 0) {
10732 if (gameMode != PlayFromGameFile && gameMode != EditGame
10733 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10735 if (*appData.saveGameFile != NULLCHAR) {
10736 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10737 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10739 SaveGameToFile(appData.saveGameFile, TRUE);
10740 } else if (appData.autoSaveGames) {
10743 if (*appData.savePositionFile != NULLCHAR) {
10744 SavePositionToFile(appData.savePositionFile);
10746 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10750 /* Tell program how game ended in case it is learning */
10751 /* [HGM] Moved this to after saving the PGN, just in case */
10752 /* engine died and we got here through time loss. In that */
10753 /* case we will get a fatal error writing the pipe, which */
10754 /* would otherwise lose us the PGN. */
10755 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10756 /* output during GameEnds should never be fatal anymore */
10757 if (gameMode == MachinePlaysWhite ||
10758 gameMode == MachinePlaysBlack ||
10759 gameMode == TwoMachinesPlay ||
10760 gameMode == IcsPlayingWhite ||
10761 gameMode == IcsPlayingBlack ||
10762 gameMode == BeginningOfGame) {
10764 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10766 if (first.pr != NoProc) {
10767 SendToProgram(buf, &first);
10769 if (second.pr != NoProc &&
10770 gameMode == TwoMachinesPlay) {
10771 SendToProgram(buf, &second);
10776 if (appData.icsActive) {
10777 if (appData.quietPlay &&
10778 (gameMode == IcsPlayingWhite ||
10779 gameMode == IcsPlayingBlack)) {
10780 SendToICS(ics_prefix);
10781 SendToICS("set shout 1\n");
10783 nextGameMode = IcsIdle;
10784 ics_user_moved = FALSE;
10785 /* clean up premove. It's ugly when the game has ended and the
10786 * premove highlights are still on the board.
10789 gotPremove = FALSE;
10790 ClearPremoveHighlights();
10791 DrawPosition(FALSE, boards[currentMove]);
10793 if (whosays == GE_ICS) {
10796 if (gameMode == IcsPlayingWhite)
10798 else if(gameMode == IcsPlayingBlack)
10799 PlayIcsLossSound();
10802 if (gameMode == IcsPlayingBlack)
10804 else if(gameMode == IcsPlayingWhite)
10805 PlayIcsLossSound();
10808 PlayIcsDrawSound();
10811 PlayIcsUnfinishedSound();
10814 } else if (gameMode == EditGame ||
10815 gameMode == PlayFromGameFile ||
10816 gameMode == AnalyzeMode ||
10817 gameMode == AnalyzeFile) {
10818 nextGameMode = gameMode;
10820 nextGameMode = EndOfGame;
10825 nextGameMode = gameMode;
10828 if (appData.noChessProgram) {
10829 gameMode = nextGameMode;
10831 endingGame = 0; /* [HGM] crash */
10836 /* Put first chess program into idle state */
10837 if (first.pr != NoProc &&
10838 (gameMode == MachinePlaysWhite ||
10839 gameMode == MachinePlaysBlack ||
10840 gameMode == TwoMachinesPlay ||
10841 gameMode == IcsPlayingWhite ||
10842 gameMode == IcsPlayingBlack ||
10843 gameMode == BeginningOfGame)) {
10844 SendToProgram("force\n", &first);
10845 if (first.usePing) {
10847 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10848 SendToProgram(buf, &first);
10851 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10852 /* Kill off first chess program */
10853 if (first.isr != NULL)
10854 RemoveInputSource(first.isr);
10857 if (first.pr != NoProc) {
10859 DoSleep( appData.delayBeforeQuit );
10860 SendToProgram("quit\n", &first);
10861 DoSleep( appData.delayAfterQuit );
10862 DestroyChildProcess(first.pr, first.useSigterm);
10863 first.reload = TRUE;
10867 if (second.reuse) {
10868 /* Put second chess program into idle state */
10869 if (second.pr != NoProc &&
10870 gameMode == TwoMachinesPlay) {
10871 SendToProgram("force\n", &second);
10872 if (second.usePing) {
10874 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10875 SendToProgram(buf, &second);
10878 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10879 /* Kill off second chess program */
10880 if (second.isr != NULL)
10881 RemoveInputSource(second.isr);
10884 if (second.pr != NoProc) {
10885 DoSleep( appData.delayBeforeQuit );
10886 SendToProgram("quit\n", &second);
10887 DoSleep( appData.delayAfterQuit );
10888 DestroyChildProcess(second.pr, second.useSigterm);
10889 second.reload = TRUE;
10891 second.pr = NoProc;
10894 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10895 char resChar = '=';
10899 if (first.twoMachinesColor[0] == 'w') {
10902 second.matchWins++;
10907 if (first.twoMachinesColor[0] == 'b') {
10910 second.matchWins++;
10913 case GameUnfinished:
10919 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10920 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10921 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10922 ReserveGame(nextGame, resChar); // sets nextGame
10923 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10924 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10925 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10927 if (nextGame <= appData.matchGames && !abortMatch) {
10928 gameMode = nextGameMode;
10929 matchGame = nextGame; // this will be overruled in tourney mode!
10930 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10931 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10932 endingGame = 0; /* [HGM] crash */
10935 gameMode = nextGameMode;
10936 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10937 first.tidy, second.tidy,
10938 first.matchWins, second.matchWins,
10939 appData.matchGames - (first.matchWins + second.matchWins));
10940 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10941 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10942 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10943 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10944 first.twoMachinesColor = "black\n";
10945 second.twoMachinesColor = "white\n";
10947 first.twoMachinesColor = "white\n";
10948 second.twoMachinesColor = "black\n";
10952 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10953 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10955 gameMode = nextGameMode;
10957 endingGame = 0; /* [HGM] crash */
10958 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10959 if(matchMode == TRUE) { // match through command line: exit with or without popup
10961 ToNrEvent(forwardMostMove);
10962 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10964 } else DisplayFatalError(buf, 0, 0);
10965 } else { // match through menu; just stop, with or without popup
10966 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10969 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10970 } else DisplayNote(buf);
10972 if(ranking) free(ranking);
10976 /* Assumes program was just initialized (initString sent).
10977 Leaves program in force mode. */
10979 FeedMovesToProgram (ChessProgramState *cps, int upto)
10983 if (appData.debugMode)
10984 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10985 startedFromSetupPosition ? "position and " : "",
10986 backwardMostMove, upto, cps->which);
10987 if(currentlyInitializedVariant != gameInfo.variant) {
10989 // [HGM] variantswitch: make engine aware of new variant
10990 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10991 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10992 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10993 SendToProgram(buf, cps);
10994 currentlyInitializedVariant = gameInfo.variant;
10996 SendToProgram("force\n", cps);
10997 if (startedFromSetupPosition) {
10998 SendBoard(cps, backwardMostMove);
10999 if (appData.debugMode) {
11000 fprintf(debugFP, "feedMoves\n");
11003 for (i = backwardMostMove; i < upto; i++) {
11004 SendMoveToProgram(i, cps);
11010 ResurrectChessProgram ()
11012 /* The chess program may have exited.
11013 If so, restart it and feed it all the moves made so far. */
11014 static int doInit = 0;
11016 if (appData.noChessProgram) return 1;
11018 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11019 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
11020 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11021 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11023 if (first.pr != NoProc) return 1;
11024 StartChessProgram(&first);
11026 InitChessProgram(&first, FALSE);
11027 FeedMovesToProgram(&first, currentMove);
11029 if (!first.sendTime) {
11030 /* can't tell gnuchess what its clock should read,
11031 so we bow to its notion. */
11033 timeRemaining[0][currentMove] = whiteTimeRemaining;
11034 timeRemaining[1][currentMove] = blackTimeRemaining;
11037 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11038 appData.icsEngineAnalyze) && first.analysisSupport) {
11039 SendToProgram("analyze\n", &first);
11040 first.analyzing = TRUE;
11046 * Button procedures
11049 Reset (int redraw, int init)
11053 if (appData.debugMode) {
11054 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11055 redraw, init, gameMode);
11057 CleanupTail(); // [HGM] vari: delete any stored variations
11058 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11059 pausing = pauseExamInvalid = FALSE;
11060 startedFromSetupPosition = blackPlaysFirst = FALSE;
11062 whiteFlag = blackFlag = FALSE;
11063 userOfferedDraw = FALSE;
11064 hintRequested = bookRequested = FALSE;
11065 first.maybeThinking = FALSE;
11066 second.maybeThinking = FALSE;
11067 first.bookSuspend = FALSE; // [HGM] book
11068 second.bookSuspend = FALSE;
11069 thinkOutput[0] = NULLCHAR;
11070 lastHint[0] = NULLCHAR;
11071 ClearGameInfo(&gameInfo);
11072 gameInfo.variant = StringToVariant(appData.variant);
11073 ics_user_moved = ics_clock_paused = FALSE;
11074 ics_getting_history = H_FALSE;
11076 white_holding[0] = black_holding[0] = NULLCHAR;
11077 ClearProgramStats();
11078 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11082 flipView = appData.flipView;
11083 ClearPremoveHighlights();
11084 gotPremove = FALSE;
11085 alarmSounded = FALSE;
11087 GameEnds(EndOfFile, NULL, GE_PLAYER);
11088 if(appData.serverMovesName != NULL) {
11089 /* [HGM] prepare to make moves file for broadcasting */
11090 clock_t t = clock();
11091 if(serverMoves != NULL) fclose(serverMoves);
11092 serverMoves = fopen(appData.serverMovesName, "r");
11093 if(serverMoves != NULL) {
11094 fclose(serverMoves);
11095 /* delay 15 sec before overwriting, so all clients can see end */
11096 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11098 serverMoves = fopen(appData.serverMovesName, "w");
11102 gameMode = BeginningOfGame;
11104 if(appData.icsActive) gameInfo.variant = VariantNormal;
11105 currentMove = forwardMostMove = backwardMostMove = 0;
11106 MarkTargetSquares(1);
11107 InitPosition(redraw);
11108 for (i = 0; i < MAX_MOVES; i++) {
11109 if (commentList[i] != NULL) {
11110 free(commentList[i]);
11111 commentList[i] = NULL;
11115 timeRemaining[0][0] = whiteTimeRemaining;
11116 timeRemaining[1][0] = blackTimeRemaining;
11118 if (first.pr == NoProc) {
11119 StartChessProgram(&first);
11122 InitChessProgram(&first, startedFromSetupPosition);
11125 DisplayMessage("", "");
11126 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11127 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11128 ClearMap(); // [HGM] exclude: invalidate map
11132 AutoPlayGameLoop ()
11135 if (!AutoPlayOneMove())
11137 if (matchMode || appData.timeDelay == 0)
11139 if (appData.timeDelay < 0)
11141 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11149 ReloadGame(1); // next game
11155 int fromX, fromY, toX, toY;
11157 if (appData.debugMode) {
11158 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11161 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11164 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11165 pvInfoList[currentMove].depth = programStats.depth;
11166 pvInfoList[currentMove].score = programStats.score;
11167 pvInfoList[currentMove].time = 0;
11168 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11171 if (currentMove >= forwardMostMove) {
11172 if(gameMode == AnalyzeFile) {
11173 if(appData.loadGameIndex == -1) {
11174 GameEnds(EndOfFile, NULL, GE_FILE);
11175 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11177 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11180 // gameMode = EndOfGame;
11181 // ModeHighlight();
11183 /* [AS] Clear current move marker at the end of a game */
11184 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11189 toX = moveList[currentMove][2] - AAA;
11190 toY = moveList[currentMove][3] - ONE;
11192 if (moveList[currentMove][1] == '@') {
11193 if (appData.highlightLastMove) {
11194 SetHighlights(-1, -1, toX, toY);
11197 fromX = moveList[currentMove][0] - AAA;
11198 fromY = moveList[currentMove][1] - ONE;
11200 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11202 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11204 if (appData.highlightLastMove) {
11205 SetHighlights(fromX, fromY, toX, toY);
11208 DisplayMove(currentMove);
11209 SendMoveToProgram(currentMove++, &first);
11210 DisplayBothClocks();
11211 DrawPosition(FALSE, boards[currentMove]);
11212 // [HGM] PV info: always display, routine tests if empty
11213 DisplayComment(currentMove - 1, commentList[currentMove]);
11219 LoadGameOneMove (ChessMove readAhead)
11221 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11222 char promoChar = NULLCHAR;
11223 ChessMove moveType;
11224 char move[MSG_SIZ];
11227 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11228 gameMode != AnalyzeMode && gameMode != Training) {
11233 yyboardindex = forwardMostMove;
11234 if (readAhead != EndOfFile) {
11235 moveType = readAhead;
11237 if (gameFileFP == NULL)
11239 moveType = (ChessMove) Myylex();
11243 switch (moveType) {
11245 if (appData.debugMode)
11246 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11249 /* append the comment but don't display it */
11250 AppendComment(currentMove, p, FALSE);
11253 case WhiteCapturesEnPassant:
11254 case BlackCapturesEnPassant:
11255 case WhitePromotion:
11256 case BlackPromotion:
11257 case WhiteNonPromotion:
11258 case BlackNonPromotion:
11260 case WhiteKingSideCastle:
11261 case WhiteQueenSideCastle:
11262 case BlackKingSideCastle:
11263 case BlackQueenSideCastle:
11264 case WhiteKingSideCastleWild:
11265 case WhiteQueenSideCastleWild:
11266 case BlackKingSideCastleWild:
11267 case BlackQueenSideCastleWild:
11269 case WhiteHSideCastleFR:
11270 case WhiteASideCastleFR:
11271 case BlackHSideCastleFR:
11272 case BlackASideCastleFR:
11274 if (appData.debugMode)
11275 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11276 fromX = currentMoveString[0] - AAA;
11277 fromY = currentMoveString[1] - ONE;
11278 toX = currentMoveString[2] - AAA;
11279 toY = currentMoveString[3] - ONE;
11280 promoChar = currentMoveString[4];
11285 if (appData.debugMode)
11286 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11287 fromX = moveType == WhiteDrop ?
11288 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11289 (int) CharToPiece(ToLower(currentMoveString[0]));
11291 toX = currentMoveString[2] - AAA;
11292 toY = currentMoveString[3] - ONE;
11298 case GameUnfinished:
11299 if (appData.debugMode)
11300 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11301 p = strchr(yy_text, '{');
11302 if (p == NULL) p = strchr(yy_text, '(');
11305 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11307 q = strchr(p, *p == '{' ? '}' : ')');
11308 if (q != NULL) *q = NULLCHAR;
11311 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11312 GameEnds(moveType, p, GE_FILE);
11314 if (cmailMsgLoaded) {
11316 flipView = WhiteOnMove(currentMove);
11317 if (moveType == GameUnfinished) flipView = !flipView;
11318 if (appData.debugMode)
11319 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11324 if (appData.debugMode)
11325 fprintf(debugFP, "Parser hit end of file\n");
11326 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11332 if (WhiteOnMove(currentMove)) {
11333 GameEnds(BlackWins, "Black mates", GE_FILE);
11335 GameEnds(WhiteWins, "White mates", GE_FILE);
11339 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11345 case MoveNumberOne:
11346 if (lastLoadGameStart == GNUChessGame) {
11347 /* GNUChessGames have numbers, but they aren't move numbers */
11348 if (appData.debugMode)
11349 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11350 yy_text, (int) moveType);
11351 return LoadGameOneMove(EndOfFile); /* tail recursion */
11353 /* else fall thru */
11358 /* Reached start of next game in file */
11359 if (appData.debugMode)
11360 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11361 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11367 if (WhiteOnMove(currentMove)) {
11368 GameEnds(BlackWins, "Black mates", GE_FILE);
11370 GameEnds(WhiteWins, "White mates", GE_FILE);
11374 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11380 case PositionDiagram: /* should not happen; ignore */
11381 case ElapsedTime: /* ignore */
11382 case NAG: /* ignore */
11383 if (appData.debugMode)
11384 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11385 yy_text, (int) moveType);
11386 return LoadGameOneMove(EndOfFile); /* tail recursion */
11389 if (appData.testLegality) {
11390 if (appData.debugMode)
11391 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11392 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11393 (forwardMostMove / 2) + 1,
11394 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11395 DisplayError(move, 0);
11398 if (appData.debugMode)
11399 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11400 yy_text, currentMoveString);
11401 fromX = currentMoveString[0] - AAA;
11402 fromY = currentMoveString[1] - ONE;
11403 toX = currentMoveString[2] - AAA;
11404 toY = currentMoveString[3] - ONE;
11405 promoChar = currentMoveString[4];
11409 case AmbiguousMove:
11410 if (appData.debugMode)
11411 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11412 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11413 (forwardMostMove / 2) + 1,
11414 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11415 DisplayError(move, 0);
11420 case ImpossibleMove:
11421 if (appData.debugMode)
11422 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11423 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11424 (forwardMostMove / 2) + 1,
11425 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11426 DisplayError(move, 0);
11432 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11433 DrawPosition(FALSE, boards[currentMove]);
11434 DisplayBothClocks();
11435 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11436 DisplayComment(currentMove - 1, commentList[currentMove]);
11438 (void) StopLoadGameTimer();
11440 cmailOldMove = forwardMostMove;
11443 /* currentMoveString is set as a side-effect of yylex */
11445 thinkOutput[0] = NULLCHAR;
11446 MakeMove(fromX, fromY, toX, toY, promoChar);
11447 currentMove = forwardMostMove;
11452 /* Load the nth game from the given file */
11454 LoadGameFromFile (char *filename, int n, char *title, int useList)
11459 if (strcmp(filename, "-") == 0) {
11463 f = fopen(filename, "rb");
11465 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11466 DisplayError(buf, errno);
11470 if (fseek(f, 0, 0) == -1) {
11471 /* f is not seekable; probably a pipe */
11474 if (useList && n == 0) {
11475 int error = GameListBuild(f);
11477 DisplayError(_("Cannot build game list"), error);
11478 } else if (!ListEmpty(&gameList) &&
11479 ((ListGame *) gameList.tailPred)->number > 1) {
11480 GameListPopUp(f, title);
11487 return LoadGame(f, n, title, FALSE);
11492 MakeRegisteredMove ()
11494 int fromX, fromY, toX, toY;
11496 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11497 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11500 if (appData.debugMode)
11501 fprintf(debugFP, "Restoring %s for game %d\n",
11502 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11504 thinkOutput[0] = NULLCHAR;
11505 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11506 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11507 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11508 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11509 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11510 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11511 MakeMove(fromX, fromY, toX, toY, promoChar);
11512 ShowMove(fromX, fromY, toX, toY);
11514 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11521 if (WhiteOnMove(currentMove)) {
11522 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11524 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11529 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11536 if (WhiteOnMove(currentMove)) {
11537 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11539 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11544 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11555 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11557 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11561 if (gameNumber > nCmailGames) {
11562 DisplayError(_("No more games in this message"), 0);
11565 if (f == lastLoadGameFP) {
11566 int offset = gameNumber - lastLoadGameNumber;
11568 cmailMsg[0] = NULLCHAR;
11569 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11570 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11571 nCmailMovesRegistered--;
11573 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11574 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11575 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11578 if (! RegisterMove()) return FALSE;
11582 retVal = LoadGame(f, gameNumber, title, useList);
11584 /* Make move registered during previous look at this game, if any */
11585 MakeRegisteredMove();
11587 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11588 commentList[currentMove]
11589 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11590 DisplayComment(currentMove - 1, commentList[currentMove]);
11596 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11598 ReloadGame (int offset)
11600 int gameNumber = lastLoadGameNumber + offset;
11601 if (lastLoadGameFP == NULL) {
11602 DisplayError(_("No game has been loaded yet"), 0);
11605 if (gameNumber <= 0) {
11606 DisplayError(_("Can't back up any further"), 0);
11609 if (cmailMsgLoaded) {
11610 return CmailLoadGame(lastLoadGameFP, gameNumber,
11611 lastLoadGameTitle, lastLoadGameUseList);
11613 return LoadGame(lastLoadGameFP, gameNumber,
11614 lastLoadGameTitle, lastLoadGameUseList);
11618 int keys[EmptySquare+1];
11621 PositionMatches (Board b1, Board b2)
11624 switch(appData.searchMode) {
11625 case 1: return CompareWithRights(b1, b2);
11627 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11628 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11632 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11633 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11634 sum += keys[b1[r][f]] - keys[b2[r][f]];
11638 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11639 sum += keys[b1[r][f]] - keys[b2[r][f]];
11651 int pieceList[256], quickBoard[256];
11652 ChessSquare pieceType[256] = { EmptySquare };
11653 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11654 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11655 int soughtTotal, turn;
11656 Boolean epOK, flipSearch;
11659 unsigned char piece, to;
11662 #define DSIZE (250000)
11664 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11665 Move *moveDatabase = initialSpace;
11666 unsigned int movePtr, dataSize = DSIZE;
11669 MakePieceList (Board board, int *counts)
11671 int r, f, n=Q_PROMO, total=0;
11672 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11673 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11674 int sq = f + (r<<4);
11675 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11676 quickBoard[sq] = ++n;
11678 pieceType[n] = board[r][f];
11679 counts[board[r][f]]++;
11680 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11681 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11685 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11690 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11692 int sq = fromX + (fromY<<4);
11693 int piece = quickBoard[sq];
11694 quickBoard[sq] = 0;
11695 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11696 if(piece == pieceList[1] && 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;
11698 moveDatabase[movePtr++].piece = Q_WCASTL;
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(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11704 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11705 moveDatabase[movePtr++].piece = Q_BCASTL;
11706 quickBoard[sq] = piece;
11707 piece = quickBoard[from]; quickBoard[from] = 0;
11708 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11710 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11711 quickBoard[(fromY<<4)+toX] = 0;
11712 moveDatabase[movePtr].piece = Q_EP;
11713 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11714 moveDatabase[movePtr].to = sq;
11716 if(promoPiece != pieceType[piece]) {
11717 moveDatabase[movePtr++].piece = Q_PROMO;
11718 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11720 moveDatabase[movePtr].piece = piece;
11721 quickBoard[sq] = piece;
11726 PackGame (Board board)
11728 Move *newSpace = NULL;
11729 moveDatabase[movePtr].piece = 0; // terminate previous game
11730 if(movePtr > dataSize) {
11731 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11732 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11733 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11736 Move *p = moveDatabase, *q = newSpace;
11737 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11738 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11739 moveDatabase = newSpace;
11740 } else { // calloc failed, we must be out of memory. Too bad...
11741 dataSize = 0; // prevent calloc events for all subsequent games
11742 return 0; // and signal this one isn't cached
11746 MakePieceList(board, counts);
11751 QuickCompare (Board board, int *minCounts, int *maxCounts)
11752 { // compare according to search mode
11754 switch(appData.searchMode)
11756 case 1: // exact position match
11757 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11758 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11759 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11762 case 2: // can have extra material on empty squares
11763 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11764 if(board[r][f] == EmptySquare) continue;
11765 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11768 case 3: // material with exact Pawn structure
11769 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11770 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11771 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11772 } // fall through to material comparison
11773 case 4: // exact material
11774 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11776 case 6: // material range with given imbalance
11777 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11778 // fall through to range comparison
11779 case 5: // material range
11780 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11786 QuickScan (Board board, Move *move)
11787 { // reconstruct game,and compare all positions in it
11788 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11790 int piece = move->piece;
11791 int to = move->to, from = pieceList[piece];
11792 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11793 if(!piece) return -1;
11794 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11795 piece = (++move)->piece;
11796 from = pieceList[piece];
11797 counts[pieceType[piece]]--;
11798 pieceType[piece] = (ChessSquare) move->to;
11799 counts[move->to]++;
11800 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11801 counts[pieceType[quickBoard[to]]]--;
11802 quickBoard[to] = 0; total--;
11805 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11806 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11807 from = pieceList[piece]; // so this must be King
11808 quickBoard[from] = 0;
11809 pieceList[piece] = to;
11810 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11811 quickBoard[from] = 0; // rook
11812 quickBoard[to] = piece;
11813 to = move->to; piece = move->piece;
11817 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11818 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11819 quickBoard[from] = 0;
11821 quickBoard[to] = piece;
11822 pieceList[piece] = to;
11824 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11825 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11826 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11827 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11829 static int lastCounts[EmptySquare+1];
11831 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11832 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11833 } else stretch = 0;
11834 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11843 flipSearch = FALSE;
11844 CopyBoard(soughtBoard, boards[currentMove]);
11845 soughtTotal = MakePieceList(soughtBoard, maxSought);
11846 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11847 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11848 CopyBoard(reverseBoard, boards[currentMove]);
11849 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11850 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11851 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11852 reverseBoard[r][f] = piece;
11854 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11855 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11856 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11857 || (boards[currentMove][CASTLING][2] == NoRights ||
11858 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11859 && (boards[currentMove][CASTLING][5] == NoRights ||
11860 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11863 CopyBoard(flipBoard, soughtBoard);
11864 CopyBoard(rotateBoard, reverseBoard);
11865 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11866 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11867 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11870 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11871 if(appData.searchMode >= 5) {
11872 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11873 MakePieceList(soughtBoard, minSought);
11874 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11876 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11877 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11880 GameInfo dummyInfo;
11881 static int creatingBook;
11884 GameContainsPosition (FILE *f, ListGame *lg)
11886 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11887 int fromX, fromY, toX, toY;
11889 static int initDone=FALSE;
11891 // weed out games based on numerical tag comparison
11892 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11893 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11894 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11895 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11897 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11900 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11901 else CopyBoard(boards[scratch], initialPosition); // default start position
11904 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11905 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11908 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11909 fseek(f, lg->offset, 0);
11912 yyboardindex = scratch;
11913 quickFlag = plyNr+1;
11918 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11924 if(plyNr) return -1; // after we have seen moves, this is for new game
11927 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11928 case ImpossibleMove:
11929 case WhiteWins: // game ends here with these four
11932 case GameUnfinished:
11936 if(appData.testLegality) return -1;
11937 case WhiteCapturesEnPassant:
11938 case BlackCapturesEnPassant:
11939 case WhitePromotion:
11940 case BlackPromotion:
11941 case WhiteNonPromotion:
11942 case BlackNonPromotion:
11944 case WhiteKingSideCastle:
11945 case WhiteQueenSideCastle:
11946 case BlackKingSideCastle:
11947 case BlackQueenSideCastle:
11948 case WhiteKingSideCastleWild:
11949 case WhiteQueenSideCastleWild:
11950 case BlackKingSideCastleWild:
11951 case BlackQueenSideCastleWild:
11952 case WhiteHSideCastleFR:
11953 case WhiteASideCastleFR:
11954 case BlackHSideCastleFR:
11955 case BlackASideCastleFR:
11956 fromX = currentMoveString[0] - AAA;
11957 fromY = currentMoveString[1] - ONE;
11958 toX = currentMoveString[2] - AAA;
11959 toY = currentMoveString[3] - ONE;
11960 promoChar = currentMoveString[4];
11964 fromX = next == WhiteDrop ?
11965 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11966 (int) CharToPiece(ToLower(currentMoveString[0]));
11968 toX = currentMoveString[2] - AAA;
11969 toY = currentMoveString[3] - ONE;
11973 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11975 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11976 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11977 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11978 if(appData.findMirror) {
11979 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11980 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11985 /* Load the nth game from open file f */
11987 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11991 int gn = gameNumber;
11992 ListGame *lg = NULL;
11993 int numPGNTags = 0;
11995 GameMode oldGameMode;
11996 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11998 if (appData.debugMode)
11999 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12001 if (gameMode == Training )
12002 SetTrainingModeOff();
12004 oldGameMode = gameMode;
12005 if (gameMode != BeginningOfGame) {
12006 Reset(FALSE, TRUE);
12010 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12011 fclose(lastLoadGameFP);
12015 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12018 fseek(f, lg->offset, 0);
12019 GameListHighlight(gameNumber);
12020 pos = lg->position;
12024 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
12025 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12027 DisplayError(_("Game number out of range"), 0);
12032 if (fseek(f, 0, 0) == -1) {
12033 if (f == lastLoadGameFP ?
12034 gameNumber == lastLoadGameNumber + 1 :
12038 DisplayError(_("Can't seek on game file"), 0);
12043 lastLoadGameFP = f;
12044 lastLoadGameNumber = gameNumber;
12045 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12046 lastLoadGameUseList = useList;
12050 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12051 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12052 lg->gameInfo.black);
12054 } else if (*title != NULLCHAR) {
12055 if (gameNumber > 1) {
12056 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12059 DisplayTitle(title);
12063 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12064 gameMode = PlayFromGameFile;
12068 currentMove = forwardMostMove = backwardMostMove = 0;
12069 CopyBoard(boards[0], initialPosition);
12073 * Skip the first gn-1 games in the file.
12074 * Also skip over anything that precedes an identifiable
12075 * start of game marker, to avoid being confused by
12076 * garbage at the start of the file. Currently
12077 * recognized start of game markers are the move number "1",
12078 * the pattern "gnuchess .* game", the pattern
12079 * "^[#;%] [^ ]* game file", and a PGN tag block.
12080 * A game that starts with one of the latter two patterns
12081 * will also have a move number 1, possibly
12082 * following a position diagram.
12083 * 5-4-02: Let's try being more lenient and allowing a game to
12084 * start with an unnumbered move. Does that break anything?
12086 cm = lastLoadGameStart = EndOfFile;
12088 yyboardindex = forwardMostMove;
12089 cm = (ChessMove) Myylex();
12092 if (cmailMsgLoaded) {
12093 nCmailGames = CMAIL_MAX_GAMES - gn;
12096 DisplayError(_("Game not found in file"), 0);
12103 lastLoadGameStart = cm;
12106 case MoveNumberOne:
12107 switch (lastLoadGameStart) {
12112 case MoveNumberOne:
12114 gn--; /* count this game */
12115 lastLoadGameStart = cm;
12124 switch (lastLoadGameStart) {
12127 case MoveNumberOne:
12129 gn--; /* count this game */
12130 lastLoadGameStart = cm;
12133 lastLoadGameStart = cm; /* game counted already */
12141 yyboardindex = forwardMostMove;
12142 cm = (ChessMove) Myylex();
12143 } while (cm == PGNTag || cm == Comment);
12150 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12151 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12152 != CMAIL_OLD_RESULT) {
12154 cmailResult[ CMAIL_MAX_GAMES
12155 - gn - 1] = CMAIL_OLD_RESULT;
12161 /* Only a NormalMove can be at the start of a game
12162 * without a position diagram. */
12163 if (lastLoadGameStart == EndOfFile ) {
12165 lastLoadGameStart = MoveNumberOne;
12174 if (appData.debugMode)
12175 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12177 if (cm == XBoardGame) {
12178 /* Skip any header junk before position diagram and/or move 1 */
12180 yyboardindex = forwardMostMove;
12181 cm = (ChessMove) Myylex();
12183 if (cm == EndOfFile ||
12184 cm == GNUChessGame || cm == XBoardGame) {
12185 /* Empty game; pretend end-of-file and handle later */
12190 if (cm == MoveNumberOne || cm == PositionDiagram ||
12191 cm == PGNTag || cm == Comment)
12194 } else if (cm == GNUChessGame) {
12195 if (gameInfo.event != NULL) {
12196 free(gameInfo.event);
12198 gameInfo.event = StrSave(yy_text);
12201 startedFromSetupPosition = FALSE;
12202 while (cm == PGNTag) {
12203 if (appData.debugMode)
12204 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12205 err = ParsePGNTag(yy_text, &gameInfo);
12206 if (!err) numPGNTags++;
12208 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12209 if(gameInfo.variant != oldVariant) {
12210 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12211 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12212 InitPosition(TRUE);
12213 oldVariant = gameInfo.variant;
12214 if (appData.debugMode)
12215 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12219 if (gameInfo.fen != NULL) {
12220 Board initial_position;
12221 startedFromSetupPosition = TRUE;
12222 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12224 DisplayError(_("Bad FEN position in file"), 0);
12227 CopyBoard(boards[0], initial_position);
12228 if (blackPlaysFirst) {
12229 currentMove = forwardMostMove = backwardMostMove = 1;
12230 CopyBoard(boards[1], initial_position);
12231 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12232 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12233 timeRemaining[0][1] = whiteTimeRemaining;
12234 timeRemaining[1][1] = blackTimeRemaining;
12235 if (commentList[0] != NULL) {
12236 commentList[1] = commentList[0];
12237 commentList[0] = NULL;
12240 currentMove = forwardMostMove = backwardMostMove = 0;
12242 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12244 initialRulePlies = FENrulePlies;
12245 for( i=0; i< nrCastlingRights; i++ )
12246 initialRights[i] = initial_position[CASTLING][i];
12248 yyboardindex = forwardMostMove;
12249 free(gameInfo.fen);
12250 gameInfo.fen = NULL;
12253 yyboardindex = forwardMostMove;
12254 cm = (ChessMove) Myylex();
12256 /* Handle comments interspersed among the tags */
12257 while (cm == Comment) {
12259 if (appData.debugMode)
12260 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12262 AppendComment(currentMove, p, FALSE);
12263 yyboardindex = forwardMostMove;
12264 cm = (ChessMove) Myylex();
12268 /* don't rely on existence of Event tag since if game was
12269 * pasted from clipboard the Event tag may not exist
12271 if (numPGNTags > 0){
12273 if (gameInfo.variant == VariantNormal) {
12274 VariantClass v = StringToVariant(gameInfo.event);
12275 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12276 if(v < VariantShogi) gameInfo.variant = v;
12279 if( appData.autoDisplayTags ) {
12280 tags = PGNTags(&gameInfo);
12281 TagsPopUp(tags, CmailMsg());
12286 /* Make something up, but don't display it now */
12291 if (cm == PositionDiagram) {
12294 Board initial_position;
12296 if (appData.debugMode)
12297 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12299 if (!startedFromSetupPosition) {
12301 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12302 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12313 initial_position[i][j++] = CharToPiece(*p);
12316 while (*p == ' ' || *p == '\t' ||
12317 *p == '\n' || *p == '\r') p++;
12319 if (strncmp(p, "black", strlen("black"))==0)
12320 blackPlaysFirst = TRUE;
12322 blackPlaysFirst = FALSE;
12323 startedFromSetupPosition = TRUE;
12325 CopyBoard(boards[0], initial_position);
12326 if (blackPlaysFirst) {
12327 currentMove = forwardMostMove = backwardMostMove = 1;
12328 CopyBoard(boards[1], initial_position);
12329 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12330 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12331 timeRemaining[0][1] = whiteTimeRemaining;
12332 timeRemaining[1][1] = blackTimeRemaining;
12333 if (commentList[0] != NULL) {
12334 commentList[1] = commentList[0];
12335 commentList[0] = NULL;
12338 currentMove = forwardMostMove = backwardMostMove = 0;
12341 yyboardindex = forwardMostMove;
12342 cm = (ChessMove) Myylex();
12345 if(!creatingBook) {
12346 if (first.pr == NoProc) {
12347 StartChessProgram(&first);
12349 InitChessProgram(&first, FALSE);
12350 SendToProgram("force\n", &first);
12351 if (startedFromSetupPosition) {
12352 SendBoard(&first, forwardMostMove);
12353 if (appData.debugMode) {
12354 fprintf(debugFP, "Load Game\n");
12356 DisplayBothClocks();
12360 /* [HGM] server: flag to write setup moves in broadcast file as one */
12361 loadFlag = appData.suppressLoadMoves;
12363 while (cm == Comment) {
12365 if (appData.debugMode)
12366 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12368 AppendComment(currentMove, p, FALSE);
12369 yyboardindex = forwardMostMove;
12370 cm = (ChessMove) Myylex();
12373 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12374 cm == WhiteWins || cm == BlackWins ||
12375 cm == GameIsDrawn || cm == GameUnfinished) {
12376 DisplayMessage("", _("No moves in game"));
12377 if (cmailMsgLoaded) {
12378 if (appData.debugMode)
12379 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12383 DrawPosition(FALSE, boards[currentMove]);
12384 DisplayBothClocks();
12385 gameMode = EditGame;
12392 // [HGM] PV info: routine tests if comment empty
12393 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12394 DisplayComment(currentMove - 1, commentList[currentMove]);
12396 if (!matchMode && appData.timeDelay != 0)
12397 DrawPosition(FALSE, boards[currentMove]);
12399 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12400 programStats.ok_to_send = 1;
12403 /* if the first token after the PGN tags is a move
12404 * and not move number 1, retrieve it from the parser
12406 if (cm != MoveNumberOne)
12407 LoadGameOneMove(cm);
12409 /* load the remaining moves from the file */
12410 while (LoadGameOneMove(EndOfFile)) {
12411 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12412 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12415 /* rewind to the start of the game */
12416 currentMove = backwardMostMove;
12418 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12420 if (oldGameMode == AnalyzeFile ||
12421 oldGameMode == AnalyzeMode) {
12422 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12423 AnalyzeFileEvent();
12426 if(creatingBook) return TRUE;
12427 if (!matchMode && pos > 0) {
12428 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12430 if (matchMode || appData.timeDelay == 0) {
12432 } else if (appData.timeDelay > 0) {
12433 AutoPlayGameLoop();
12436 if (appData.debugMode)
12437 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12439 loadFlag = 0; /* [HGM] true game starts */
12443 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12445 ReloadPosition (int offset)
12447 int positionNumber = lastLoadPositionNumber + offset;
12448 if (lastLoadPositionFP == NULL) {
12449 DisplayError(_("No position has been loaded yet"), 0);
12452 if (positionNumber <= 0) {
12453 DisplayError(_("Can't back up any further"), 0);
12456 return LoadPosition(lastLoadPositionFP, positionNumber,
12457 lastLoadPositionTitle);
12460 /* Load the nth position from the given file */
12462 LoadPositionFromFile (char *filename, int n, char *title)
12467 if (strcmp(filename, "-") == 0) {
12468 return LoadPosition(stdin, n, "stdin");
12470 f = fopen(filename, "rb");
12472 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12473 DisplayError(buf, errno);
12476 return LoadPosition(f, n, title);
12481 /* Load the nth position from the given open file, and close it */
12483 LoadPosition (FILE *f, int positionNumber, char *title)
12485 char *p, line[MSG_SIZ];
12486 Board initial_position;
12487 int i, j, fenMode, pn;
12489 if (gameMode == Training )
12490 SetTrainingModeOff();
12492 if (gameMode != BeginningOfGame) {
12493 Reset(FALSE, TRUE);
12495 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12496 fclose(lastLoadPositionFP);
12498 if (positionNumber == 0) positionNumber = 1;
12499 lastLoadPositionFP = f;
12500 lastLoadPositionNumber = positionNumber;
12501 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12502 if (first.pr == NoProc && !appData.noChessProgram) {
12503 StartChessProgram(&first);
12504 InitChessProgram(&first, FALSE);
12506 pn = positionNumber;
12507 if (positionNumber < 0) {
12508 /* Negative position number means to seek to that byte offset */
12509 if (fseek(f, -positionNumber, 0) == -1) {
12510 DisplayError(_("Can't seek on position file"), 0);
12515 if (fseek(f, 0, 0) == -1) {
12516 if (f == lastLoadPositionFP ?
12517 positionNumber == lastLoadPositionNumber + 1 :
12518 positionNumber == 1) {
12521 DisplayError(_("Can't seek on position file"), 0);
12526 /* See if this file is FEN or old-style xboard */
12527 if (fgets(line, MSG_SIZ, f) == NULL) {
12528 DisplayError(_("Position not found in file"), 0);
12531 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12532 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12535 if (fenMode || line[0] == '#') pn--;
12537 /* skip positions before number pn */
12538 if (fgets(line, MSG_SIZ, f) == NULL) {
12540 DisplayError(_("Position not found in file"), 0);
12543 if (fenMode || line[0] == '#') pn--;
12548 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12549 DisplayError(_("Bad FEN position in file"), 0);
12553 (void) fgets(line, MSG_SIZ, f);
12554 (void) fgets(line, MSG_SIZ, f);
12556 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12557 (void) fgets(line, MSG_SIZ, f);
12558 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12561 initial_position[i][j++] = CharToPiece(*p);
12565 blackPlaysFirst = FALSE;
12567 (void) fgets(line, MSG_SIZ, f);
12568 if (strncmp(line, "black", strlen("black"))==0)
12569 blackPlaysFirst = TRUE;
12572 startedFromSetupPosition = TRUE;
12574 CopyBoard(boards[0], initial_position);
12575 if (blackPlaysFirst) {
12576 currentMove = forwardMostMove = backwardMostMove = 1;
12577 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12578 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12579 CopyBoard(boards[1], initial_position);
12580 DisplayMessage("", _("Black to play"));
12582 currentMove = forwardMostMove = backwardMostMove = 0;
12583 DisplayMessage("", _("White to play"));
12585 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12586 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12587 SendToProgram("force\n", &first);
12588 SendBoard(&first, forwardMostMove);
12590 if (appData.debugMode) {
12592 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12593 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12594 fprintf(debugFP, "Load Position\n");
12597 if (positionNumber > 1) {
12598 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12599 DisplayTitle(line);
12601 DisplayTitle(title);
12603 gameMode = EditGame;
12606 timeRemaining[0][1] = whiteTimeRemaining;
12607 timeRemaining[1][1] = blackTimeRemaining;
12608 DrawPosition(FALSE, boards[currentMove]);
12615 CopyPlayerNameIntoFileName (char **dest, char *src)
12617 while (*src != NULLCHAR && *src != ',') {
12622 *(*dest)++ = *src++;
12628 DefaultFileName (char *ext)
12630 static char def[MSG_SIZ];
12633 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12635 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12637 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12639 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12646 /* Save the current game to the given file */
12648 SaveGameToFile (char *filename, int append)
12652 int result, i, t,tot=0;
12654 if (strcmp(filename, "-") == 0) {
12655 return SaveGame(stdout, 0, NULL);
12657 for(i=0; i<10; i++) { // upto 10 tries
12658 f = fopen(filename, append ? "a" : "w");
12659 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12660 if(f || errno != 13) break;
12661 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12665 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12666 DisplayError(buf, errno);
12669 safeStrCpy(buf, lastMsg, MSG_SIZ);
12670 DisplayMessage(_("Waiting for access to save file"), "");
12671 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12672 DisplayMessage(_("Saving game"), "");
12673 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12674 result = SaveGame(f, 0, NULL);
12675 DisplayMessage(buf, "");
12682 SavePart (char *str)
12684 static char buf[MSG_SIZ];
12687 p = strchr(str, ' ');
12688 if (p == NULL) return str;
12689 strncpy(buf, str, p - str);
12690 buf[p - str] = NULLCHAR;
12694 #define PGN_MAX_LINE 75
12696 #define PGN_SIDE_WHITE 0
12697 #define PGN_SIDE_BLACK 1
12700 FindFirstMoveOutOfBook (int side)
12704 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12705 int index = backwardMostMove;
12706 int has_book_hit = 0;
12708 if( (index % 2) != side ) {
12712 while( index < forwardMostMove ) {
12713 /* Check to see if engine is in book */
12714 int depth = pvInfoList[index].depth;
12715 int score = pvInfoList[index].score;
12721 else if( score == 0 && depth == 63 ) {
12722 in_book = 1; /* Zappa */
12724 else if( score == 2 && depth == 99 ) {
12725 in_book = 1; /* Abrok */
12728 has_book_hit += in_book;
12744 GetOutOfBookInfo (char * buf)
12748 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12750 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12751 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12755 if( oob[0] >= 0 || oob[1] >= 0 ) {
12756 for( i=0; i<2; i++ ) {
12760 if( i > 0 && oob[0] >= 0 ) {
12761 strcat( buf, " " );
12764 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12765 sprintf( buf+strlen(buf), "%s%.2f",
12766 pvInfoList[idx].score >= 0 ? "+" : "",
12767 pvInfoList[idx].score / 100.0 );
12773 /* Save game in PGN style and close the file */
12775 SaveGamePGN (FILE *f)
12777 int i, offset, linelen, newblock;
12780 int movelen, numlen, blank;
12781 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12783 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12785 PrintPGNTags(f, &gameInfo);
12787 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12789 if (backwardMostMove > 0 || startedFromSetupPosition) {
12790 char *fen = PositionToFEN(backwardMostMove, NULL);
12791 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12792 fprintf(f, "\n{--------------\n");
12793 PrintPosition(f, backwardMostMove);
12794 fprintf(f, "--------------}\n");
12798 /* [AS] Out of book annotation */
12799 if( appData.saveOutOfBookInfo ) {
12802 GetOutOfBookInfo( buf );
12804 if( buf[0] != '\0' ) {
12805 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12812 i = backwardMostMove;
12816 while (i < forwardMostMove) {
12817 /* Print comments preceding this move */
12818 if (commentList[i] != NULL) {
12819 if (linelen > 0) fprintf(f, "\n");
12820 fprintf(f, "%s", commentList[i]);
12825 /* Format move number */
12827 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12830 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12832 numtext[0] = NULLCHAR;
12834 numlen = strlen(numtext);
12837 /* Print move number */
12838 blank = linelen > 0 && numlen > 0;
12839 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12848 fprintf(f, "%s", numtext);
12852 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12853 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12856 blank = linelen > 0 && movelen > 0;
12857 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12866 fprintf(f, "%s", move_buffer);
12867 linelen += movelen;
12869 /* [AS] Add PV info if present */
12870 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12871 /* [HGM] add time */
12872 char buf[MSG_SIZ]; int seconds;
12874 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12880 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12883 seconds = (seconds + 4)/10; // round to full seconds
12885 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12887 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12890 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12891 pvInfoList[i].score >= 0 ? "+" : "",
12892 pvInfoList[i].score / 100.0,
12893 pvInfoList[i].depth,
12896 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12898 /* Print score/depth */
12899 blank = linelen > 0 && movelen > 0;
12900 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12909 fprintf(f, "%s", move_buffer);
12910 linelen += movelen;
12916 /* Start a new line */
12917 if (linelen > 0) fprintf(f, "\n");
12919 /* Print comments after last move */
12920 if (commentList[i] != NULL) {
12921 fprintf(f, "%s\n", commentList[i]);
12925 if (gameInfo.resultDetails != NULL &&
12926 gameInfo.resultDetails[0] != NULLCHAR) {
12927 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12928 PGNResult(gameInfo.result));
12930 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12934 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12938 /* Save game in old style and close the file */
12940 SaveGameOldStyle (FILE *f)
12945 tm = time((time_t *) NULL);
12947 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12950 if (backwardMostMove > 0 || startedFromSetupPosition) {
12951 fprintf(f, "\n[--------------\n");
12952 PrintPosition(f, backwardMostMove);
12953 fprintf(f, "--------------]\n");
12958 i = backwardMostMove;
12959 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12961 while (i < forwardMostMove) {
12962 if (commentList[i] != NULL) {
12963 fprintf(f, "[%s]\n", commentList[i]);
12966 if ((i % 2) == 1) {
12967 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12970 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12972 if (commentList[i] != NULL) {
12976 if (i >= forwardMostMove) {
12980 fprintf(f, "%s\n", parseList[i]);
12985 if (commentList[i] != NULL) {
12986 fprintf(f, "[%s]\n", commentList[i]);
12989 /* This isn't really the old style, but it's close enough */
12990 if (gameInfo.resultDetails != NULL &&
12991 gameInfo.resultDetails[0] != NULLCHAR) {
12992 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12993 gameInfo.resultDetails);
12995 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13002 /* Save the current game to open file f and close the file */
13004 SaveGame (FILE *f, int dummy, char *dummy2)
13006 if (gameMode == EditPosition) EditPositionDone(TRUE);
13007 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13008 if (appData.oldSaveStyle)
13009 return SaveGameOldStyle(f);
13011 return SaveGamePGN(f);
13014 /* Save the current position to the given file */
13016 SavePositionToFile (char *filename)
13021 if (strcmp(filename, "-") == 0) {
13022 return SavePosition(stdout, 0, NULL);
13024 f = fopen(filename, "a");
13026 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13027 DisplayError(buf, errno);
13030 safeStrCpy(buf, lastMsg, MSG_SIZ);
13031 DisplayMessage(_("Waiting for access to save file"), "");
13032 flock(fileno(f), LOCK_EX); // [HGM] lock
13033 DisplayMessage(_("Saving position"), "");
13034 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13035 SavePosition(f, 0, NULL);
13036 DisplayMessage(buf, "");
13042 /* Save the current position to the given open file and close the file */
13044 SavePosition (FILE *f, int dummy, char *dummy2)
13049 if (gameMode == EditPosition) EditPositionDone(TRUE);
13050 if (appData.oldSaveStyle) {
13051 tm = time((time_t *) NULL);
13053 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13055 fprintf(f, "[--------------\n");
13056 PrintPosition(f, currentMove);
13057 fprintf(f, "--------------]\n");
13059 fen = PositionToFEN(currentMove, NULL);
13060 fprintf(f, "%s\n", fen);
13068 ReloadCmailMsgEvent (int unregister)
13071 static char *inFilename = NULL;
13072 static char *outFilename;
13074 struct stat inbuf, outbuf;
13077 /* Any registered moves are unregistered if unregister is set, */
13078 /* i.e. invoked by the signal handler */
13080 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13081 cmailMoveRegistered[i] = FALSE;
13082 if (cmailCommentList[i] != NULL) {
13083 free(cmailCommentList[i]);
13084 cmailCommentList[i] = NULL;
13087 nCmailMovesRegistered = 0;
13090 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13091 cmailResult[i] = CMAIL_NOT_RESULT;
13095 if (inFilename == NULL) {
13096 /* Because the filenames are static they only get malloced once */
13097 /* and they never get freed */
13098 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13099 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13101 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13102 sprintf(outFilename, "%s.out", appData.cmailGameName);
13105 status = stat(outFilename, &outbuf);
13107 cmailMailedMove = FALSE;
13109 status = stat(inFilename, &inbuf);
13110 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13113 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13114 counts the games, notes how each one terminated, etc.
13116 It would be nice to remove this kludge and instead gather all
13117 the information while building the game list. (And to keep it
13118 in the game list nodes instead of having a bunch of fixed-size
13119 parallel arrays.) Note this will require getting each game's
13120 termination from the PGN tags, as the game list builder does
13121 not process the game moves. --mann
13123 cmailMsgLoaded = TRUE;
13124 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13126 /* Load first game in the file or popup game menu */
13127 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13129 #endif /* !WIN32 */
13137 char string[MSG_SIZ];
13139 if ( cmailMailedMove
13140 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13141 return TRUE; /* Allow free viewing */
13144 /* Unregister move to ensure that we don't leave RegisterMove */
13145 /* with the move registered when the conditions for registering no */
13147 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13148 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13149 nCmailMovesRegistered --;
13151 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13153 free(cmailCommentList[lastLoadGameNumber - 1]);
13154 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13158 if (cmailOldMove == -1) {
13159 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13163 if (currentMove > cmailOldMove + 1) {
13164 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13168 if (currentMove < cmailOldMove) {
13169 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13173 if (forwardMostMove > currentMove) {
13174 /* Silently truncate extra moves */
13178 if ( (currentMove == cmailOldMove + 1)
13179 || ( (currentMove == cmailOldMove)
13180 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13181 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13182 if (gameInfo.result != GameUnfinished) {
13183 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13186 if (commentList[currentMove] != NULL) {
13187 cmailCommentList[lastLoadGameNumber - 1]
13188 = StrSave(commentList[currentMove]);
13190 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13192 if (appData.debugMode)
13193 fprintf(debugFP, "Saving %s for game %d\n",
13194 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13196 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13198 f = fopen(string, "w");
13199 if (appData.oldSaveStyle) {
13200 SaveGameOldStyle(f); /* also closes the file */
13202 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13203 f = fopen(string, "w");
13204 SavePosition(f, 0, NULL); /* also closes the file */
13206 fprintf(f, "{--------------\n");
13207 PrintPosition(f, currentMove);
13208 fprintf(f, "--------------}\n\n");
13210 SaveGame(f, 0, NULL); /* also closes the file*/
13213 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13214 nCmailMovesRegistered ++;
13215 } else if (nCmailGames == 1) {
13216 DisplayError(_("You have not made a move yet"), 0);
13227 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13228 FILE *commandOutput;
13229 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13230 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13236 if (! cmailMsgLoaded) {
13237 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13241 if (nCmailGames == nCmailResults) {
13242 DisplayError(_("No unfinished games"), 0);
13246 #if CMAIL_PROHIBIT_REMAIL
13247 if (cmailMailedMove) {
13248 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);
13249 DisplayError(msg, 0);
13254 if (! (cmailMailedMove || RegisterMove())) return;
13256 if ( cmailMailedMove
13257 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13258 snprintf(string, MSG_SIZ, partCommandString,
13259 appData.debugMode ? " -v" : "", appData.cmailGameName);
13260 commandOutput = popen(string, "r");
13262 if (commandOutput == NULL) {
13263 DisplayError(_("Failed to invoke cmail"), 0);
13265 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13266 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13268 if (nBuffers > 1) {
13269 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13270 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13271 nBytes = MSG_SIZ - 1;
13273 (void) memcpy(msg, buffer, nBytes);
13275 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13277 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13278 cmailMailedMove = TRUE; /* Prevent >1 moves */
13281 for (i = 0; i < nCmailGames; i ++) {
13282 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13287 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13289 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13291 appData.cmailGameName,
13293 LoadGameFromFile(buffer, 1, buffer, FALSE);
13294 cmailMsgLoaded = FALSE;
13298 DisplayInformation(msg);
13299 pclose(commandOutput);
13302 if ((*cmailMsg) != '\0') {
13303 DisplayInformation(cmailMsg);
13308 #endif /* !WIN32 */
13317 int prependComma = 0;
13319 char string[MSG_SIZ]; /* Space for game-list */
13322 if (!cmailMsgLoaded) return "";
13324 if (cmailMailedMove) {
13325 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13327 /* Create a list of games left */
13328 snprintf(string, MSG_SIZ, "[");
13329 for (i = 0; i < nCmailGames; i ++) {
13330 if (! ( cmailMoveRegistered[i]
13331 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13332 if (prependComma) {
13333 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13335 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13339 strcat(string, number);
13342 strcat(string, "]");
13344 if (nCmailMovesRegistered + nCmailResults == 0) {
13345 switch (nCmailGames) {
13347 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13351 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13355 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13360 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13362 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13367 if (nCmailResults == nCmailGames) {
13368 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13370 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13375 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13387 if (gameMode == Training)
13388 SetTrainingModeOff();
13391 cmailMsgLoaded = FALSE;
13392 if (appData.icsActive) {
13393 SendToICS(ics_prefix);
13394 SendToICS("refresh\n");
13399 ExitEvent (int status)
13403 /* Give up on clean exit */
13407 /* Keep trying for clean exit */
13411 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13413 if (telnetISR != NULL) {
13414 RemoveInputSource(telnetISR);
13416 if (icsPR != NoProc) {
13417 DestroyChildProcess(icsPR, TRUE);
13420 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13421 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13423 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13424 /* make sure this other one finishes before killing it! */
13425 if(endingGame) { int count = 0;
13426 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13427 while(endingGame && count++ < 10) DoSleep(1);
13428 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13431 /* Kill off chess programs */
13432 if (first.pr != NoProc) {
13435 DoSleep( appData.delayBeforeQuit );
13436 SendToProgram("quit\n", &first);
13437 DoSleep( appData.delayAfterQuit );
13438 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13440 if (second.pr != NoProc) {
13441 DoSleep( appData.delayBeforeQuit );
13442 SendToProgram("quit\n", &second);
13443 DoSleep( appData.delayAfterQuit );
13444 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13446 if (first.isr != NULL) {
13447 RemoveInputSource(first.isr);
13449 if (second.isr != NULL) {
13450 RemoveInputSource(second.isr);
13453 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13454 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13456 ShutDownFrontEnd();
13461 PauseEngine (ChessProgramState *cps)
13463 SendToProgram("pause\n", cps);
13468 UnPauseEngine (ChessProgramState *cps)
13470 SendToProgram("resume\n", cps);
13477 if (appData.debugMode)
13478 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13482 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13484 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13485 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13486 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13488 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13489 HandleMachineMove(stashedInputMove, stalledEngine);
13490 stalledEngine = NULL;
13493 if (gameMode == MachinePlaysWhite ||
13494 gameMode == TwoMachinesPlay ||
13495 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13496 if(first.pause) UnPauseEngine(&first);
13497 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13498 if(second.pause) UnPauseEngine(&second);
13499 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13502 DisplayBothClocks();
13504 if (gameMode == PlayFromGameFile) {
13505 if (appData.timeDelay >= 0)
13506 AutoPlayGameLoop();
13507 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13508 Reset(FALSE, TRUE);
13509 SendToICS(ics_prefix);
13510 SendToICS("refresh\n");
13511 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13512 ForwardInner(forwardMostMove);
13514 pauseExamInvalid = FALSE;
13516 switch (gameMode) {
13520 pauseExamForwardMostMove = forwardMostMove;
13521 pauseExamInvalid = FALSE;
13524 case IcsPlayingWhite:
13525 case IcsPlayingBlack:
13529 case PlayFromGameFile:
13530 (void) StopLoadGameTimer();
13534 case BeginningOfGame:
13535 if (appData.icsActive) return;
13536 /* else fall through */
13537 case MachinePlaysWhite:
13538 case MachinePlaysBlack:
13539 case TwoMachinesPlay:
13540 if (forwardMostMove == 0)
13541 return; /* don't pause if no one has moved */
13542 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13543 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13544 if(onMove->pause) { // thinking engine can be paused
13545 PauseEngine(onMove); // do it
13546 if(onMove->other->pause) // pondering opponent can always be paused immediately
13547 PauseEngine(onMove->other);
13549 SendToProgram("easy\n", onMove->other);
13551 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13552 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13554 PauseEngine(&first);
13556 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13557 } else { // human on move, pause pondering by either method
13559 PauseEngine(&first);
13560 else if(appData.ponderNextMove)
13561 SendToProgram("easy\n", &first);
13564 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13574 EditCommentEvent ()
13576 char title[MSG_SIZ];
13578 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13579 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13581 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13582 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13583 parseList[currentMove - 1]);
13586 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13593 char *tags = PGNTags(&gameInfo);
13595 EditTagsPopUp(tags, NULL);
13602 if(second.analyzing) {
13603 SendToProgram("exit\n", &second);
13604 second.analyzing = FALSE;
13606 if (second.pr == NoProc) StartChessProgram(&second);
13607 InitChessProgram(&second, FALSE);
13608 FeedMovesToProgram(&second, currentMove);
13610 SendToProgram("analyze\n", &second);
13611 second.analyzing = TRUE;
13615 /* Toggle ShowThinking */
13617 ToggleShowThinking()
13619 appData.showThinking = !appData.showThinking;
13620 ShowThinkingEvent();
13624 AnalyzeModeEvent ()
13628 if (!first.analysisSupport) {
13629 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13630 DisplayError(buf, 0);
13633 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13634 if (appData.icsActive) {
13635 if (gameMode != IcsObserving) {
13636 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13637 DisplayError(buf, 0);
13639 if (appData.icsEngineAnalyze) {
13640 if (appData.debugMode)
13641 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13647 /* if enable, user wants to disable icsEngineAnalyze */
13648 if (appData.icsEngineAnalyze) {
13653 appData.icsEngineAnalyze = TRUE;
13654 if (appData.debugMode)
13655 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13658 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13659 if (appData.noChessProgram || gameMode == AnalyzeMode)
13662 if (gameMode != AnalyzeFile) {
13663 if (!appData.icsEngineAnalyze) {
13665 if (gameMode != EditGame) return 0;
13667 if (!appData.showThinking) ToggleShowThinking();
13668 ResurrectChessProgram();
13669 SendToProgram("analyze\n", &first);
13670 first.analyzing = TRUE;
13671 /*first.maybeThinking = TRUE;*/
13672 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13673 EngineOutputPopUp();
13675 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13680 StartAnalysisClock();
13681 GetTimeMark(&lastNodeCountTime);
13687 AnalyzeFileEvent ()
13689 if (appData.noChessProgram || gameMode == AnalyzeFile)
13692 if (!first.analysisSupport) {
13694 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13695 DisplayError(buf, 0);
13699 if (gameMode != AnalyzeMode) {
13700 keepInfo = 1; // mere annotating should not alter PGN tags
13703 if (gameMode != EditGame) return;
13704 if (!appData.showThinking) ToggleShowThinking();
13705 ResurrectChessProgram();
13706 SendToProgram("analyze\n", &first);
13707 first.analyzing = TRUE;
13708 /*first.maybeThinking = TRUE;*/
13709 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13710 EngineOutputPopUp();
13712 gameMode = AnalyzeFile;
13716 StartAnalysisClock();
13717 GetTimeMark(&lastNodeCountTime);
13719 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13720 AnalysisPeriodicEvent(1);
13724 MachineWhiteEvent ()
13727 char *bookHit = NULL;
13729 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13733 if (gameMode == PlayFromGameFile ||
13734 gameMode == TwoMachinesPlay ||
13735 gameMode == Training ||
13736 gameMode == AnalyzeMode ||
13737 gameMode == EndOfGame)
13740 if (gameMode == EditPosition)
13741 EditPositionDone(TRUE);
13743 if (!WhiteOnMove(currentMove)) {
13744 DisplayError(_("It is not White's turn"), 0);
13748 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13751 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13752 gameMode == AnalyzeFile)
13755 ResurrectChessProgram(); /* in case it isn't running */
13756 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13757 gameMode = MachinePlaysWhite;
13760 gameMode = MachinePlaysWhite;
13764 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13766 if (first.sendName) {
13767 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13768 SendToProgram(buf, &first);
13770 if (first.sendTime) {
13771 if (first.useColors) {
13772 SendToProgram("black\n", &first); /*gnu kludge*/
13774 SendTimeRemaining(&first, TRUE);
13776 if (first.useColors) {
13777 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13779 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13780 SetMachineThinkingEnables();
13781 first.maybeThinking = TRUE;
13785 if (appData.autoFlipView && !flipView) {
13786 flipView = !flipView;
13787 DrawPosition(FALSE, NULL);
13788 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13791 if(bookHit) { // [HGM] book: simulate book reply
13792 static char bookMove[MSG_SIZ]; // a bit generous?
13794 programStats.nodes = programStats.depth = programStats.time =
13795 programStats.score = programStats.got_only_move = 0;
13796 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13798 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13799 strcat(bookMove, bookHit);
13800 HandleMachineMove(bookMove, &first);
13805 MachineBlackEvent ()
13808 char *bookHit = NULL;
13810 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13814 if (gameMode == PlayFromGameFile ||
13815 gameMode == TwoMachinesPlay ||
13816 gameMode == Training ||
13817 gameMode == AnalyzeMode ||
13818 gameMode == EndOfGame)
13821 if (gameMode == EditPosition)
13822 EditPositionDone(TRUE);
13824 if (WhiteOnMove(currentMove)) {
13825 DisplayError(_("It is not Black's turn"), 0);
13829 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13832 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13833 gameMode == AnalyzeFile)
13836 ResurrectChessProgram(); /* in case it isn't running */
13837 gameMode = MachinePlaysBlack;
13841 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13843 if (first.sendName) {
13844 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13845 SendToProgram(buf, &first);
13847 if (first.sendTime) {
13848 if (first.useColors) {
13849 SendToProgram("white\n", &first); /*gnu kludge*/
13851 SendTimeRemaining(&first, FALSE);
13853 if (first.useColors) {
13854 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13856 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13857 SetMachineThinkingEnables();
13858 first.maybeThinking = TRUE;
13861 if (appData.autoFlipView && flipView) {
13862 flipView = !flipView;
13863 DrawPosition(FALSE, NULL);
13864 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13866 if(bookHit) { // [HGM] book: simulate book reply
13867 static char bookMove[MSG_SIZ]; // a bit generous?
13869 programStats.nodes = programStats.depth = programStats.time =
13870 programStats.score = programStats.got_only_move = 0;
13871 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13873 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13874 strcat(bookMove, bookHit);
13875 HandleMachineMove(bookMove, &first);
13881 DisplayTwoMachinesTitle ()
13884 if (appData.matchGames > 0) {
13885 if(appData.tourneyFile[0]) {
13886 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13887 gameInfo.white, _("vs."), gameInfo.black,
13888 nextGame+1, appData.matchGames+1,
13889 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13891 if (first.twoMachinesColor[0] == 'w') {
13892 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13893 gameInfo.white, _("vs."), gameInfo.black,
13894 first.matchWins, second.matchWins,
13895 matchGame - 1 - (first.matchWins + second.matchWins));
13897 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13898 gameInfo.white, _("vs."), gameInfo.black,
13899 second.matchWins, first.matchWins,
13900 matchGame - 1 - (first.matchWins + second.matchWins));
13903 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13909 SettingsMenuIfReady ()
13911 if (second.lastPing != second.lastPong) {
13912 DisplayMessage("", _("Waiting for second chess program"));
13913 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13917 DisplayMessage("", "");
13918 SettingsPopUp(&second);
13922 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13925 if (cps->pr == NoProc) {
13926 StartChessProgram(cps);
13927 if (cps->protocolVersion == 1) {
13930 /* kludge: allow timeout for initial "feature" command */
13932 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13933 DisplayMessage("", buf);
13934 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13942 TwoMachinesEvent P((void))
13946 ChessProgramState *onmove;
13947 char *bookHit = NULL;
13948 static int stalling = 0;
13952 if (appData.noChessProgram) return;
13954 switch (gameMode) {
13955 case TwoMachinesPlay:
13957 case MachinePlaysWhite:
13958 case MachinePlaysBlack:
13959 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13960 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13964 case BeginningOfGame:
13965 case PlayFromGameFile:
13968 if (gameMode != EditGame) return;
13971 EditPositionDone(TRUE);
13982 // forwardMostMove = currentMove;
13983 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13985 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13987 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13988 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13989 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13993 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13994 DisplayError("second engine does not play this", 0);
13999 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14000 SendToProgram("force\n", &second);
14002 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14005 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14006 if(appData.matchPause>10000 || appData.matchPause<10)
14007 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14008 wait = SubtractTimeMarks(&now, &pauseStart);
14009 if(wait < appData.matchPause) {
14010 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14013 // we are now committed to starting the game
14015 DisplayMessage("", "");
14016 if (startedFromSetupPosition) {
14017 SendBoard(&second, backwardMostMove);
14018 if (appData.debugMode) {
14019 fprintf(debugFP, "Two Machines\n");
14022 for (i = backwardMostMove; i < forwardMostMove; i++) {
14023 SendMoveToProgram(i, &second);
14026 gameMode = TwoMachinesPlay;
14028 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14030 DisplayTwoMachinesTitle();
14032 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14037 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14038 SendToProgram(first.computerString, &first);
14039 if (first.sendName) {
14040 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14041 SendToProgram(buf, &first);
14043 SendToProgram(second.computerString, &second);
14044 if (second.sendName) {
14045 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14046 SendToProgram(buf, &second);
14050 if (!first.sendTime || !second.sendTime) {
14051 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14052 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14054 if (onmove->sendTime) {
14055 if (onmove->useColors) {
14056 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14058 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14060 if (onmove->useColors) {
14061 SendToProgram(onmove->twoMachinesColor, onmove);
14063 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14064 // SendToProgram("go\n", onmove);
14065 onmove->maybeThinking = TRUE;
14066 SetMachineThinkingEnables();
14070 if(bookHit) { // [HGM] book: simulate book reply
14071 static char bookMove[MSG_SIZ]; // a bit generous?
14073 programStats.nodes = programStats.depth = programStats.time =
14074 programStats.score = programStats.got_only_move = 0;
14075 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14077 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14078 strcat(bookMove, bookHit);
14079 savedMessage = bookMove; // args for deferred call
14080 savedState = onmove;
14081 ScheduleDelayedEvent(DeferredBookMove, 1);
14088 if (gameMode == Training) {
14089 SetTrainingModeOff();
14090 gameMode = PlayFromGameFile;
14091 DisplayMessage("", _("Training mode off"));
14093 gameMode = Training;
14094 animateTraining = appData.animate;
14096 /* make sure we are not already at the end of the game */
14097 if (currentMove < forwardMostMove) {
14098 SetTrainingModeOn();
14099 DisplayMessage("", _("Training mode on"));
14101 gameMode = PlayFromGameFile;
14102 DisplayError(_("Already at end of game"), 0);
14111 if (!appData.icsActive) return;
14112 switch (gameMode) {
14113 case IcsPlayingWhite:
14114 case IcsPlayingBlack:
14117 case BeginningOfGame:
14125 EditPositionDone(TRUE);
14138 gameMode = IcsIdle;
14148 switch (gameMode) {
14150 SetTrainingModeOff();
14152 case MachinePlaysWhite:
14153 case MachinePlaysBlack:
14154 case BeginningOfGame:
14155 SendToProgram("force\n", &first);
14156 SetUserThinkingEnables();
14158 case PlayFromGameFile:
14159 (void) StopLoadGameTimer();
14160 if (gameFileFP != NULL) {
14165 EditPositionDone(TRUE);
14170 SendToProgram("force\n", &first);
14172 case TwoMachinesPlay:
14173 GameEnds(EndOfFile, NULL, GE_PLAYER);
14174 ResurrectChessProgram();
14175 SetUserThinkingEnables();
14178 ResurrectChessProgram();
14180 case IcsPlayingBlack:
14181 case IcsPlayingWhite:
14182 DisplayError(_("Warning: You are still playing a game"), 0);
14185 DisplayError(_("Warning: You are still observing a game"), 0);
14188 DisplayError(_("Warning: You are still examining a game"), 0);
14199 first.offeredDraw = second.offeredDraw = 0;
14201 if (gameMode == PlayFromGameFile) {
14202 whiteTimeRemaining = timeRemaining[0][currentMove];
14203 blackTimeRemaining = timeRemaining[1][currentMove];
14207 if (gameMode == MachinePlaysWhite ||
14208 gameMode == MachinePlaysBlack ||
14209 gameMode == TwoMachinesPlay ||
14210 gameMode == EndOfGame) {
14211 i = forwardMostMove;
14212 while (i > currentMove) {
14213 SendToProgram("undo\n", &first);
14216 if(!adjustedClock) {
14217 whiteTimeRemaining = timeRemaining[0][currentMove];
14218 blackTimeRemaining = timeRemaining[1][currentMove];
14219 DisplayBothClocks();
14221 if (whiteFlag || blackFlag) {
14222 whiteFlag = blackFlag = 0;
14227 gameMode = EditGame;
14234 EditPositionEvent ()
14236 if (gameMode == EditPosition) {
14242 if (gameMode != EditGame) return;
14244 gameMode = EditPosition;
14247 if (currentMove > 0)
14248 CopyBoard(boards[0], boards[currentMove]);
14250 blackPlaysFirst = !WhiteOnMove(currentMove);
14252 currentMove = forwardMostMove = backwardMostMove = 0;
14253 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14255 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14261 /* [DM] icsEngineAnalyze - possible call from other functions */
14262 if (appData.icsEngineAnalyze) {
14263 appData.icsEngineAnalyze = FALSE;
14265 DisplayMessage("",_("Close ICS engine analyze..."));
14267 if (first.analysisSupport && first.analyzing) {
14268 SendToBoth("exit\n");
14269 first.analyzing = second.analyzing = FALSE;
14271 thinkOutput[0] = NULLCHAR;
14275 EditPositionDone (Boolean fakeRights)
14277 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14279 startedFromSetupPosition = TRUE;
14280 InitChessProgram(&first, FALSE);
14281 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14282 boards[0][EP_STATUS] = EP_NONE;
14283 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14284 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14285 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14286 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14287 } else boards[0][CASTLING][2] = NoRights;
14288 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14289 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14290 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14291 } else boards[0][CASTLING][5] = NoRights;
14292 if(gameInfo.variant == VariantSChess) {
14294 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14295 boards[0][VIRGIN][i] = 0;
14296 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14297 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14301 SendToProgram("force\n", &first);
14302 if (blackPlaysFirst) {
14303 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14304 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14305 currentMove = forwardMostMove = backwardMostMove = 1;
14306 CopyBoard(boards[1], boards[0]);
14308 currentMove = forwardMostMove = backwardMostMove = 0;
14310 SendBoard(&first, forwardMostMove);
14311 if (appData.debugMode) {
14312 fprintf(debugFP, "EditPosDone\n");
14315 DisplayMessage("", "");
14316 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14317 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14318 gameMode = EditGame;
14320 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14321 ClearHighlights(); /* [AS] */
14324 /* Pause for `ms' milliseconds */
14325 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14327 TimeDelay (long ms)
14334 } while (SubtractTimeMarks(&m2, &m1) < ms);
14337 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14339 SendMultiLineToICS (char *buf)
14341 char temp[MSG_SIZ+1], *p;
14348 strncpy(temp, buf, len);
14353 if (*p == '\n' || *p == '\r')
14358 strcat(temp, "\n");
14360 SendToPlayer(temp, strlen(temp));
14364 SetWhiteToPlayEvent ()
14366 if (gameMode == EditPosition) {
14367 blackPlaysFirst = FALSE;
14368 DisplayBothClocks(); /* works because currentMove is 0 */
14369 } else if (gameMode == IcsExamining) {
14370 SendToICS(ics_prefix);
14371 SendToICS("tomove white\n");
14376 SetBlackToPlayEvent ()
14378 if (gameMode == EditPosition) {
14379 blackPlaysFirst = TRUE;
14380 currentMove = 1; /* kludge */
14381 DisplayBothClocks();
14383 } else if (gameMode == IcsExamining) {
14384 SendToICS(ics_prefix);
14385 SendToICS("tomove black\n");
14390 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14393 ChessSquare piece = boards[0][y][x];
14395 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14397 switch (selection) {
14399 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14400 SendToICS(ics_prefix);
14401 SendToICS("bsetup clear\n");
14402 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14403 SendToICS(ics_prefix);
14404 SendToICS("clearboard\n");
14406 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14407 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14408 for (y = 0; y < BOARD_HEIGHT; y++) {
14409 if (gameMode == IcsExamining) {
14410 if (boards[currentMove][y][x] != EmptySquare) {
14411 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14416 boards[0][y][x] = p;
14421 if (gameMode == EditPosition) {
14422 DrawPosition(FALSE, boards[0]);
14427 SetWhiteToPlayEvent();
14431 SetBlackToPlayEvent();
14435 if (gameMode == IcsExamining) {
14436 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14437 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14440 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14441 if(x == BOARD_LEFT-2) {
14442 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14443 boards[0][y][1] = 0;
14445 if(x == BOARD_RGHT+1) {
14446 if(y >= gameInfo.holdingsSize) break;
14447 boards[0][y][BOARD_WIDTH-2] = 0;
14450 boards[0][y][x] = EmptySquare;
14451 DrawPosition(FALSE, boards[0]);
14456 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14457 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14458 selection = (ChessSquare) (PROMOTED piece);
14459 } else if(piece == EmptySquare) selection = WhiteSilver;
14460 else selection = (ChessSquare)((int)piece - 1);
14464 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14465 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14466 selection = (ChessSquare) (DEMOTED piece);
14467 } else if(piece == EmptySquare) selection = BlackSilver;
14468 else selection = (ChessSquare)((int)piece + 1);
14473 if(gameInfo.variant == VariantShatranj ||
14474 gameInfo.variant == VariantXiangqi ||
14475 gameInfo.variant == VariantCourier ||
14476 gameInfo.variant == VariantMakruk )
14477 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14482 if(gameInfo.variant == VariantXiangqi)
14483 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14484 if(gameInfo.variant == VariantKnightmate)
14485 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14488 if (gameMode == IcsExamining) {
14489 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14490 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14491 PieceToChar(selection), AAA + x, ONE + y);
14494 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14496 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14497 n = PieceToNumber(selection - BlackPawn);
14498 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14499 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14500 boards[0][BOARD_HEIGHT-1-n][1]++;
14502 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14503 n = PieceToNumber(selection);
14504 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14505 boards[0][n][BOARD_WIDTH-1] = selection;
14506 boards[0][n][BOARD_WIDTH-2]++;
14509 boards[0][y][x] = selection;
14510 DrawPosition(TRUE, boards[0]);
14512 fromX = fromY = -1;
14520 DropMenuEvent (ChessSquare selection, int x, int y)
14522 ChessMove moveType;
14524 switch (gameMode) {
14525 case IcsPlayingWhite:
14526 case MachinePlaysBlack:
14527 if (!WhiteOnMove(currentMove)) {
14528 DisplayMoveError(_("It is Black's turn"));
14531 moveType = WhiteDrop;
14533 case IcsPlayingBlack:
14534 case MachinePlaysWhite:
14535 if (WhiteOnMove(currentMove)) {
14536 DisplayMoveError(_("It is White's turn"));
14539 moveType = BlackDrop;
14542 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14548 if (moveType == BlackDrop && selection < BlackPawn) {
14549 selection = (ChessSquare) ((int) selection
14550 + (int) BlackPawn - (int) WhitePawn);
14552 if (boards[currentMove][y][x] != EmptySquare) {
14553 DisplayMoveError(_("That square is occupied"));
14557 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14563 /* Accept a pending offer of any kind from opponent */
14565 if (appData.icsActive) {
14566 SendToICS(ics_prefix);
14567 SendToICS("accept\n");
14568 } else if (cmailMsgLoaded) {
14569 if (currentMove == cmailOldMove &&
14570 commentList[cmailOldMove] != NULL &&
14571 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14572 "Black offers a draw" : "White offers a draw")) {
14574 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14575 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14577 DisplayError(_("There is no pending offer on this move"), 0);
14578 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14581 /* Not used for offers from chess program */
14588 /* Decline a pending offer of any kind from opponent */
14590 if (appData.icsActive) {
14591 SendToICS(ics_prefix);
14592 SendToICS("decline\n");
14593 } else if (cmailMsgLoaded) {
14594 if (currentMove == cmailOldMove &&
14595 commentList[cmailOldMove] != NULL &&
14596 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14597 "Black offers a draw" : "White offers a draw")) {
14599 AppendComment(cmailOldMove, "Draw declined", TRUE);
14600 DisplayComment(cmailOldMove - 1, "Draw declined");
14603 DisplayError(_("There is no pending offer on this move"), 0);
14606 /* Not used for offers from chess program */
14613 /* Issue ICS rematch command */
14614 if (appData.icsActive) {
14615 SendToICS(ics_prefix);
14616 SendToICS("rematch\n");
14623 /* Call your opponent's flag (claim a win on time) */
14624 if (appData.icsActive) {
14625 SendToICS(ics_prefix);
14626 SendToICS("flag\n");
14628 switch (gameMode) {
14631 case MachinePlaysWhite:
14634 GameEnds(GameIsDrawn, "Both players ran out of time",
14637 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14639 DisplayError(_("Your opponent is not out of time"), 0);
14642 case MachinePlaysBlack:
14645 GameEnds(GameIsDrawn, "Both players ran out of time",
14648 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14650 DisplayError(_("Your opponent is not out of time"), 0);
14658 ClockClick (int which)
14659 { // [HGM] code moved to back-end from winboard.c
14660 if(which) { // black clock
14661 if (gameMode == EditPosition || gameMode == IcsExamining) {
14662 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14663 SetBlackToPlayEvent();
14664 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14665 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14666 } else if (shiftKey) {
14667 AdjustClock(which, -1);
14668 } else if (gameMode == IcsPlayingWhite ||
14669 gameMode == MachinePlaysBlack) {
14672 } else { // white clock
14673 if (gameMode == EditPosition || gameMode == IcsExamining) {
14674 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14675 SetWhiteToPlayEvent();
14676 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14677 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14678 } else if (shiftKey) {
14679 AdjustClock(which, -1);
14680 } else if (gameMode == IcsPlayingBlack ||
14681 gameMode == MachinePlaysWhite) {
14690 /* Offer draw or accept pending draw offer from opponent */
14692 if (appData.icsActive) {
14693 /* Note: tournament rules require draw offers to be
14694 made after you make your move but before you punch
14695 your clock. Currently ICS doesn't let you do that;
14696 instead, you immediately punch your clock after making
14697 a move, but you can offer a draw at any time. */
14699 SendToICS(ics_prefix);
14700 SendToICS("draw\n");
14701 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14702 } else if (cmailMsgLoaded) {
14703 if (currentMove == cmailOldMove &&
14704 commentList[cmailOldMove] != NULL &&
14705 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14706 "Black offers a draw" : "White offers a draw")) {
14707 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14708 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14709 } else if (currentMove == cmailOldMove + 1) {
14710 char *offer = WhiteOnMove(cmailOldMove) ?
14711 "White offers a draw" : "Black offers a draw";
14712 AppendComment(currentMove, offer, TRUE);
14713 DisplayComment(currentMove - 1, offer);
14714 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14716 DisplayError(_("You must make your move before offering a draw"), 0);
14717 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14719 } else if (first.offeredDraw) {
14720 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14722 if (first.sendDrawOffers) {
14723 SendToProgram("draw\n", &first);
14724 userOfferedDraw = TRUE;
14732 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14734 if (appData.icsActive) {
14735 SendToICS(ics_prefix);
14736 SendToICS("adjourn\n");
14738 /* Currently GNU Chess doesn't offer or accept Adjourns */
14746 /* Offer Abort or accept pending Abort offer from opponent */
14748 if (appData.icsActive) {
14749 SendToICS(ics_prefix);
14750 SendToICS("abort\n");
14752 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14759 /* Resign. You can do this even if it's not your turn. */
14761 if (appData.icsActive) {
14762 SendToICS(ics_prefix);
14763 SendToICS("resign\n");
14765 switch (gameMode) {
14766 case MachinePlaysWhite:
14767 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14769 case MachinePlaysBlack:
14770 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14773 if (cmailMsgLoaded) {
14775 if (WhiteOnMove(cmailOldMove)) {
14776 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14778 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14780 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14791 StopObservingEvent ()
14793 /* Stop observing current games */
14794 SendToICS(ics_prefix);
14795 SendToICS("unobserve\n");
14799 StopExaminingEvent ()
14801 /* Stop observing current game */
14802 SendToICS(ics_prefix);
14803 SendToICS("unexamine\n");
14807 ForwardInner (int target)
14809 int limit; int oldSeekGraphUp = seekGraphUp;
14811 if (appData.debugMode)
14812 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14813 target, currentMove, forwardMostMove);
14815 if (gameMode == EditPosition)
14818 seekGraphUp = FALSE;
14819 MarkTargetSquares(1);
14821 if (gameMode == PlayFromGameFile && !pausing)
14824 if (gameMode == IcsExamining && pausing)
14825 limit = pauseExamForwardMostMove;
14827 limit = forwardMostMove;
14829 if (target > limit) target = limit;
14831 if (target > 0 && moveList[target - 1][0]) {
14832 int fromX, fromY, toX, toY;
14833 toX = moveList[target - 1][2] - AAA;
14834 toY = moveList[target - 1][3] - ONE;
14835 if (moveList[target - 1][1] == '@') {
14836 if (appData.highlightLastMove) {
14837 SetHighlights(-1, -1, toX, toY);
14840 fromX = moveList[target - 1][0] - AAA;
14841 fromY = moveList[target - 1][1] - ONE;
14842 if (target == currentMove + 1) {
14843 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14845 if (appData.highlightLastMove) {
14846 SetHighlights(fromX, fromY, toX, toY);
14850 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14851 gameMode == Training || gameMode == PlayFromGameFile ||
14852 gameMode == AnalyzeFile) {
14853 while (currentMove < target) {
14854 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14855 SendMoveToProgram(currentMove++, &first);
14858 currentMove = target;
14861 if (gameMode == EditGame || gameMode == EndOfGame) {
14862 whiteTimeRemaining = timeRemaining[0][currentMove];
14863 blackTimeRemaining = timeRemaining[1][currentMove];
14865 DisplayBothClocks();
14866 DisplayMove(currentMove - 1);
14867 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14868 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14869 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14870 DisplayComment(currentMove - 1, commentList[currentMove]);
14872 ClearMap(); // [HGM] exclude: invalidate map
14879 if (gameMode == IcsExamining && !pausing) {
14880 SendToICS(ics_prefix);
14881 SendToICS("forward\n");
14883 ForwardInner(currentMove + 1);
14890 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14891 /* to optimze, we temporarily turn off analysis mode while we feed
14892 * the remaining moves to the engine. Otherwise we get analysis output
14895 if (first.analysisSupport) {
14896 SendToProgram("exit\nforce\n", &first);
14897 first.analyzing = FALSE;
14901 if (gameMode == IcsExamining && !pausing) {
14902 SendToICS(ics_prefix);
14903 SendToICS("forward 999999\n");
14905 ForwardInner(forwardMostMove);
14908 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14909 /* we have fed all the moves, so reactivate analysis mode */
14910 SendToProgram("analyze\n", &first);
14911 first.analyzing = TRUE;
14912 /*first.maybeThinking = TRUE;*/
14913 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14918 BackwardInner (int target)
14920 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14922 if (appData.debugMode)
14923 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14924 target, currentMove, forwardMostMove);
14926 if (gameMode == EditPosition) return;
14927 seekGraphUp = FALSE;
14928 MarkTargetSquares(1);
14929 if (currentMove <= backwardMostMove) {
14931 DrawPosition(full_redraw, boards[currentMove]);
14934 if (gameMode == PlayFromGameFile && !pausing)
14937 if (moveList[target][0]) {
14938 int fromX, fromY, toX, toY;
14939 toX = moveList[target][2] - AAA;
14940 toY = moveList[target][3] - ONE;
14941 if (moveList[target][1] == '@') {
14942 if (appData.highlightLastMove) {
14943 SetHighlights(-1, -1, toX, toY);
14946 fromX = moveList[target][0] - AAA;
14947 fromY = moveList[target][1] - ONE;
14948 if (target == currentMove - 1) {
14949 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14951 if (appData.highlightLastMove) {
14952 SetHighlights(fromX, fromY, toX, toY);
14956 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14957 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14958 while (currentMove > target) {
14959 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14960 // null move cannot be undone. Reload program with move history before it.
14962 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14963 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14965 SendBoard(&first, i);
14966 if(second.analyzing) SendBoard(&second, i);
14967 for(currentMove=i; currentMove<target; currentMove++) {
14968 SendMoveToProgram(currentMove, &first);
14969 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14973 SendToBoth("undo\n");
14977 currentMove = target;
14980 if (gameMode == EditGame || gameMode == EndOfGame) {
14981 whiteTimeRemaining = timeRemaining[0][currentMove];
14982 blackTimeRemaining = timeRemaining[1][currentMove];
14984 DisplayBothClocks();
14985 DisplayMove(currentMove - 1);
14986 DrawPosition(full_redraw, boards[currentMove]);
14987 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14988 // [HGM] PV info: routine tests if comment empty
14989 DisplayComment(currentMove - 1, commentList[currentMove]);
14990 ClearMap(); // [HGM] exclude: invalidate map
14996 if (gameMode == IcsExamining && !pausing) {
14997 SendToICS(ics_prefix);
14998 SendToICS("backward\n");
15000 BackwardInner(currentMove - 1);
15007 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15008 /* to optimize, we temporarily turn off analysis mode while we undo
15009 * all the moves. Otherwise we get analysis output after each undo.
15011 if (first.analysisSupport) {
15012 SendToProgram("exit\nforce\n", &first);
15013 first.analyzing = FALSE;
15017 if (gameMode == IcsExamining && !pausing) {
15018 SendToICS(ics_prefix);
15019 SendToICS("backward 999999\n");
15021 BackwardInner(backwardMostMove);
15024 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15025 /* we have fed all the moves, so reactivate analysis mode */
15026 SendToProgram("analyze\n", &first);
15027 first.analyzing = TRUE;
15028 /*first.maybeThinking = TRUE;*/
15029 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15036 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15037 if (to >= forwardMostMove) to = forwardMostMove;
15038 if (to <= backwardMostMove) to = backwardMostMove;
15039 if (to < currentMove) {
15047 RevertEvent (Boolean annotate)
15049 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15052 if (gameMode != IcsExamining) {
15053 DisplayError(_("You are not examining a game"), 0);
15057 DisplayError(_("You can't revert while pausing"), 0);
15060 SendToICS(ics_prefix);
15061 SendToICS("revert\n");
15065 RetractMoveEvent ()
15067 switch (gameMode) {
15068 case MachinePlaysWhite:
15069 case MachinePlaysBlack:
15070 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15071 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15074 if (forwardMostMove < 2) return;
15075 currentMove = forwardMostMove = forwardMostMove - 2;
15076 whiteTimeRemaining = timeRemaining[0][currentMove];
15077 blackTimeRemaining = timeRemaining[1][currentMove];
15078 DisplayBothClocks();
15079 DisplayMove(currentMove - 1);
15080 ClearHighlights();/*!! could figure this out*/
15081 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15082 SendToProgram("remove\n", &first);
15083 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15086 case BeginningOfGame:
15090 case IcsPlayingWhite:
15091 case IcsPlayingBlack:
15092 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15093 SendToICS(ics_prefix);
15094 SendToICS("takeback 2\n");
15096 SendToICS(ics_prefix);
15097 SendToICS("takeback 1\n");
15106 ChessProgramState *cps;
15108 switch (gameMode) {
15109 case MachinePlaysWhite:
15110 if (!WhiteOnMove(forwardMostMove)) {
15111 DisplayError(_("It is your turn"), 0);
15116 case MachinePlaysBlack:
15117 if (WhiteOnMove(forwardMostMove)) {
15118 DisplayError(_("It is your turn"), 0);
15123 case TwoMachinesPlay:
15124 if (WhiteOnMove(forwardMostMove) ==
15125 (first.twoMachinesColor[0] == 'w')) {
15131 case BeginningOfGame:
15135 SendToProgram("?\n", cps);
15139 TruncateGameEvent ()
15142 if (gameMode != EditGame) return;
15149 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15150 if (forwardMostMove > currentMove) {
15151 if (gameInfo.resultDetails != NULL) {
15152 free(gameInfo.resultDetails);
15153 gameInfo.resultDetails = NULL;
15154 gameInfo.result = GameUnfinished;
15156 forwardMostMove = currentMove;
15157 HistorySet(parseList, backwardMostMove, forwardMostMove,
15165 if (appData.noChessProgram) return;
15166 switch (gameMode) {
15167 case MachinePlaysWhite:
15168 if (WhiteOnMove(forwardMostMove)) {
15169 DisplayError(_("Wait until your turn"), 0);
15173 case BeginningOfGame:
15174 case MachinePlaysBlack:
15175 if (!WhiteOnMove(forwardMostMove)) {
15176 DisplayError(_("Wait until your turn"), 0);
15181 DisplayError(_("No hint available"), 0);
15184 SendToProgram("hint\n", &first);
15185 hintRequested = TRUE;
15191 ListGame * lg = (ListGame *) gameList.head;
15194 static int secondTime = FALSE;
15196 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15197 DisplayError(_("Game list not loaded or empty"), 0);
15201 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15204 DisplayNote(_("Book file exists! Try again for overwrite."));
15208 creatingBook = TRUE;
15209 secondTime = FALSE;
15211 /* Get list size */
15212 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15213 LoadGame(f, nItem, "", TRUE);
15214 AddGameToBook(TRUE);
15215 lg = (ListGame *) lg->node.succ;
15218 creatingBook = FALSE;
15225 if (appData.noChessProgram) return;
15226 switch (gameMode) {
15227 case MachinePlaysWhite:
15228 if (WhiteOnMove(forwardMostMove)) {
15229 DisplayError(_("Wait until your turn"), 0);
15233 case BeginningOfGame:
15234 case MachinePlaysBlack:
15235 if (!WhiteOnMove(forwardMostMove)) {
15236 DisplayError(_("Wait until your turn"), 0);
15241 EditPositionDone(TRUE);
15243 case TwoMachinesPlay:
15248 SendToProgram("bk\n", &first);
15249 bookOutput[0] = NULLCHAR;
15250 bookRequested = TRUE;
15256 char *tags = PGNTags(&gameInfo);
15257 TagsPopUp(tags, CmailMsg());
15261 /* end button procedures */
15264 PrintPosition (FILE *fp, int move)
15268 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15269 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15270 char c = PieceToChar(boards[move][i][j]);
15271 fputc(c == 'x' ? '.' : c, fp);
15272 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15275 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15276 fprintf(fp, "white to play\n");
15278 fprintf(fp, "black to play\n");
15282 PrintOpponents (FILE *fp)
15284 if (gameInfo.white != NULL) {
15285 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15291 /* Find last component of program's own name, using some heuristics */
15293 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15296 int local = (strcmp(host, "localhost") == 0);
15297 while (!local && (p = strchr(prog, ';')) != NULL) {
15299 while (*p == ' ') p++;
15302 if (*prog == '"' || *prog == '\'') {
15303 q = strchr(prog + 1, *prog);
15305 q = strchr(prog, ' ');
15307 if (q == NULL) q = prog + strlen(prog);
15309 while (p >= prog && *p != '/' && *p != '\\') p--;
15311 if(p == prog && *p == '"') p++;
15313 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15314 memcpy(buf, p, q - p);
15315 buf[q - p] = NULLCHAR;
15323 TimeControlTagValue ()
15326 if (!appData.clockMode) {
15327 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15328 } else if (movesPerSession > 0) {
15329 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15330 } else if (timeIncrement == 0) {
15331 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15333 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15335 return StrSave(buf);
15341 /* This routine is used only for certain modes */
15342 VariantClass v = gameInfo.variant;
15343 ChessMove r = GameUnfinished;
15346 if(keepInfo) return;
15348 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15349 r = gameInfo.result;
15350 p = gameInfo.resultDetails;
15351 gameInfo.resultDetails = NULL;
15353 ClearGameInfo(&gameInfo);
15354 gameInfo.variant = v;
15356 switch (gameMode) {
15357 case MachinePlaysWhite:
15358 gameInfo.event = StrSave( appData.pgnEventHeader );
15359 gameInfo.site = StrSave(HostName());
15360 gameInfo.date = PGNDate();
15361 gameInfo.round = StrSave("-");
15362 gameInfo.white = StrSave(first.tidy);
15363 gameInfo.black = StrSave(UserName());
15364 gameInfo.timeControl = TimeControlTagValue();
15367 case MachinePlaysBlack:
15368 gameInfo.event = StrSave( appData.pgnEventHeader );
15369 gameInfo.site = StrSave(HostName());
15370 gameInfo.date = PGNDate();
15371 gameInfo.round = StrSave("-");
15372 gameInfo.white = StrSave(UserName());
15373 gameInfo.black = StrSave(first.tidy);
15374 gameInfo.timeControl = TimeControlTagValue();
15377 case TwoMachinesPlay:
15378 gameInfo.event = StrSave( appData.pgnEventHeader );
15379 gameInfo.site = StrSave(HostName());
15380 gameInfo.date = PGNDate();
15383 snprintf(buf, MSG_SIZ, "%d", roundNr);
15384 gameInfo.round = StrSave(buf);
15386 gameInfo.round = StrSave("-");
15388 if (first.twoMachinesColor[0] == 'w') {
15389 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15390 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15392 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15393 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15395 gameInfo.timeControl = TimeControlTagValue();
15399 gameInfo.event = StrSave("Edited game");
15400 gameInfo.site = StrSave(HostName());
15401 gameInfo.date = PGNDate();
15402 gameInfo.round = StrSave("-");
15403 gameInfo.white = StrSave("-");
15404 gameInfo.black = StrSave("-");
15405 gameInfo.result = r;
15406 gameInfo.resultDetails = p;
15410 gameInfo.event = StrSave("Edited position");
15411 gameInfo.site = StrSave(HostName());
15412 gameInfo.date = PGNDate();
15413 gameInfo.round = StrSave("-");
15414 gameInfo.white = StrSave("-");
15415 gameInfo.black = StrSave("-");
15418 case IcsPlayingWhite:
15419 case IcsPlayingBlack:
15424 case PlayFromGameFile:
15425 gameInfo.event = StrSave("Game from non-PGN file");
15426 gameInfo.site = StrSave(HostName());
15427 gameInfo.date = PGNDate();
15428 gameInfo.round = StrSave("-");
15429 gameInfo.white = StrSave("?");
15430 gameInfo.black = StrSave("?");
15439 ReplaceComment (int index, char *text)
15445 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15446 pvInfoList[index-1].depth == len &&
15447 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15448 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15449 while (*text == '\n') text++;
15450 len = strlen(text);
15451 while (len > 0 && text[len - 1] == '\n') len--;
15453 if (commentList[index] != NULL)
15454 free(commentList[index]);
15457 commentList[index] = NULL;
15460 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15461 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15462 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15463 commentList[index] = (char *) malloc(len + 2);
15464 strncpy(commentList[index], text, len);
15465 commentList[index][len] = '\n';
15466 commentList[index][len + 1] = NULLCHAR;
15468 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15470 commentList[index] = (char *) malloc(len + 7);
15471 safeStrCpy(commentList[index], "{\n", 3);
15472 safeStrCpy(commentList[index]+2, text, len+1);
15473 commentList[index][len+2] = NULLCHAR;
15474 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15475 strcat(commentList[index], "\n}\n");
15480 CrushCRs (char *text)
15488 if (ch == '\r') continue;
15490 } while (ch != '\0');
15494 AppendComment (int index, char *text, Boolean addBraces)
15495 /* addBraces tells if we should add {} */
15500 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15501 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15504 while (*text == '\n') text++;
15505 len = strlen(text);
15506 while (len > 0 && text[len - 1] == '\n') len--;
15507 text[len] = NULLCHAR;
15509 if (len == 0) return;
15511 if (commentList[index] != NULL) {
15512 Boolean addClosingBrace = addBraces;
15513 old = commentList[index];
15514 oldlen = strlen(old);
15515 while(commentList[index][oldlen-1] == '\n')
15516 commentList[index][--oldlen] = NULLCHAR;
15517 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15518 safeStrCpy(commentList[index], old, oldlen + len + 6);
15520 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15521 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15522 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15523 while (*text == '\n') { text++; len--; }
15524 commentList[index][--oldlen] = NULLCHAR;
15526 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15527 else strcat(commentList[index], "\n");
15528 strcat(commentList[index], text);
15529 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15530 else strcat(commentList[index], "\n");
15532 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15534 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15535 else commentList[index][0] = NULLCHAR;
15536 strcat(commentList[index], text);
15537 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15538 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15543 FindStr (char * text, char * sub_text)
15545 char * result = strstr( text, sub_text );
15547 if( result != NULL ) {
15548 result += strlen( sub_text );
15554 /* [AS] Try to extract PV info from PGN comment */
15555 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15557 GetInfoFromComment (int index, char * text)
15559 char * sep = text, *p;
15561 if( text != NULL && index > 0 ) {
15564 int time = -1, sec = 0, deci;
15565 char * s_eval = FindStr( text, "[%eval " );
15566 char * s_emt = FindStr( text, "[%emt " );
15568 if( s_eval != NULL || s_emt != NULL ) {
15572 if( s_eval != NULL ) {
15573 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15577 if( delim != ']' ) {
15582 if( s_emt != NULL ) {
15587 /* We expect something like: [+|-]nnn.nn/dd */
15590 if(*text != '{') return text; // [HGM] braces: must be normal comment
15592 sep = strchr( text, '/' );
15593 if( sep == NULL || sep < (text+4) ) {
15598 if(p[1] == '(') { // comment starts with PV
15599 p = strchr(p, ')'); // locate end of PV
15600 if(p == NULL || sep < p+5) return text;
15601 // at this point we have something like "{(.*) +0.23/6 ..."
15602 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15603 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15604 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15606 time = -1; sec = -1; deci = -1;
15607 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15608 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15609 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15610 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15614 if( score_lo < 0 || score_lo >= 100 ) {
15618 if(sec >= 0) time = 600*time + 10*sec; else
15619 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15621 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15623 /* [HGM] PV time: now locate end of PV info */
15624 while( *++sep >= '0' && *sep <= '9'); // strip depth
15626 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15628 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15630 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15631 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15642 pvInfoList[index-1].depth = depth;
15643 pvInfoList[index-1].score = score;
15644 pvInfoList[index-1].time = 10*time; // centi-sec
15645 if(*sep == '}') *sep = 0; else *--sep = '{';
15646 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15652 SendToProgram (char *message, ChessProgramState *cps)
15654 int count, outCount, error;
15657 if (cps->pr == NoProc) return;
15660 if (appData.debugMode) {
15663 fprintf(debugFP, "%ld >%-6s: %s",
15664 SubtractTimeMarks(&now, &programStartTime),
15665 cps->which, message);
15667 fprintf(serverFP, "%ld >%-6s: %s",
15668 SubtractTimeMarks(&now, &programStartTime),
15669 cps->which, message), fflush(serverFP);
15672 count = strlen(message);
15673 outCount = OutputToProcess(cps->pr, message, count, &error);
15674 if (outCount < count && !exiting
15675 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15676 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15677 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15678 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15679 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15680 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15681 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15682 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15684 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15685 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15686 gameInfo.result = res;
15688 gameInfo.resultDetails = StrSave(buf);
15690 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15691 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15696 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15700 ChessProgramState *cps = (ChessProgramState *)closure;
15702 if (isr != cps->isr) return; /* Killed intentionally */
15705 RemoveInputSource(cps->isr);
15706 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15707 _(cps->which), cps->program);
15708 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15709 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15710 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15711 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15712 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15713 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15715 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15716 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15717 gameInfo.result = res;
15719 gameInfo.resultDetails = StrSave(buf);
15721 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15722 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15724 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15725 _(cps->which), cps->program);
15726 RemoveInputSource(cps->isr);
15728 /* [AS] Program is misbehaving badly... kill it */
15729 if( count == -2 ) {
15730 DestroyChildProcess( cps->pr, 9 );
15734 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15739 if ((end_str = strchr(message, '\r')) != NULL)
15740 *end_str = NULLCHAR;
15741 if ((end_str = strchr(message, '\n')) != NULL)
15742 *end_str = NULLCHAR;
15744 if (appData.debugMode) {
15745 TimeMark now; int print = 1;
15746 char *quote = ""; char c; int i;
15748 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15749 char start = message[0];
15750 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15751 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15752 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15753 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15754 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15755 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15756 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15757 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15758 sscanf(message, "hint: %c", &c)!=1 &&
15759 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15760 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15761 print = (appData.engineComments >= 2);
15763 message[0] = start; // restore original message
15767 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15768 SubtractTimeMarks(&now, &programStartTime), cps->which,
15772 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15773 SubtractTimeMarks(&now, &programStartTime), cps->which,
15775 message), fflush(serverFP);
15779 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15780 if (appData.icsEngineAnalyze) {
15781 if (strstr(message, "whisper") != NULL ||
15782 strstr(message, "kibitz") != NULL ||
15783 strstr(message, "tellics") != NULL) return;
15786 HandleMachineMove(message, cps);
15791 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15796 if( timeControl_2 > 0 ) {
15797 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15798 tc = timeControl_2;
15801 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15802 inc /= cps->timeOdds;
15803 st /= cps->timeOdds;
15805 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15808 /* Set exact time per move, normally using st command */
15809 if (cps->stKludge) {
15810 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15812 if (seconds == 0) {
15813 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15815 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15818 snprintf(buf, MSG_SIZ, "st %d\n", st);
15821 /* Set conventional or incremental time control, using level command */
15822 if (seconds == 0) {
15823 /* Note old gnuchess bug -- minutes:seconds used to not work.
15824 Fixed in later versions, but still avoid :seconds
15825 when seconds is 0. */
15826 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15828 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15829 seconds, inc/1000.);
15832 SendToProgram(buf, cps);
15834 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15835 /* Orthogonally, limit search to given depth */
15837 if (cps->sdKludge) {
15838 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15840 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15842 SendToProgram(buf, cps);
15845 if(cps->nps >= 0) { /* [HGM] nps */
15846 if(cps->supportsNPS == FALSE)
15847 cps->nps = -1; // don't use if engine explicitly says not supported!
15849 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15850 SendToProgram(buf, cps);
15855 ChessProgramState *
15857 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15859 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15860 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15866 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15868 char message[MSG_SIZ];
15871 /* Note: this routine must be called when the clocks are stopped
15872 or when they have *just* been set or switched; otherwise
15873 it will be off by the time since the current tick started.
15875 if (machineWhite) {
15876 time = whiteTimeRemaining / 10;
15877 otime = blackTimeRemaining / 10;
15879 time = blackTimeRemaining / 10;
15880 otime = whiteTimeRemaining / 10;
15882 /* [HGM] translate opponent's time by time-odds factor */
15883 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15885 if (time <= 0) time = 1;
15886 if (otime <= 0) otime = 1;
15888 snprintf(message, MSG_SIZ, "time %ld\n", time);
15889 SendToProgram(message, cps);
15891 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15892 SendToProgram(message, cps);
15896 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15899 int len = strlen(name);
15902 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15904 sscanf(*p, "%d", &val);
15906 while (**p && **p != ' ')
15908 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15909 SendToProgram(buf, cps);
15916 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15919 int len = strlen(name);
15920 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15922 sscanf(*p, "%d", loc);
15923 while (**p && **p != ' ') (*p)++;
15924 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15925 SendToProgram(buf, cps);
15932 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15935 int len = strlen(name);
15936 if (strncmp((*p), name, len) == 0
15937 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15939 sscanf(*p, "%[^\"]", loc);
15940 while (**p && **p != '\"') (*p)++;
15941 if (**p == '\"') (*p)++;
15942 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15943 SendToProgram(buf, cps);
15950 ParseOption (Option *opt, ChessProgramState *cps)
15951 // [HGM] options: process the string that defines an engine option, and determine
15952 // name, type, default value, and allowed value range
15954 char *p, *q, buf[MSG_SIZ];
15955 int n, min = (-1)<<31, max = 1<<31, def;
15957 if(p = strstr(opt->name, " -spin ")) {
15958 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15959 if(max < min) max = min; // enforce consistency
15960 if(def < min) def = min;
15961 if(def > max) def = max;
15966 } else if((p = strstr(opt->name, " -slider "))) {
15967 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15968 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15969 if(max < min) max = min; // enforce consistency
15970 if(def < min) def = min;
15971 if(def > max) def = max;
15975 opt->type = Spin; // Slider;
15976 } else if((p = strstr(opt->name, " -string "))) {
15977 opt->textValue = p+9;
15978 opt->type = TextBox;
15979 } else if((p = strstr(opt->name, " -file "))) {
15980 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15981 opt->textValue = p+7;
15982 opt->type = FileName; // FileName;
15983 } else if((p = strstr(opt->name, " -path "))) {
15984 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15985 opt->textValue = p+7;
15986 opt->type = PathName; // PathName;
15987 } else if(p = strstr(opt->name, " -check ")) {
15988 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15989 opt->value = (def != 0);
15990 opt->type = CheckBox;
15991 } else if(p = strstr(opt->name, " -combo ")) {
15992 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15993 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15994 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15995 opt->value = n = 0;
15996 while(q = StrStr(q, " /// ")) {
15997 n++; *q = 0; // count choices, and null-terminate each of them
15999 if(*q == '*') { // remember default, which is marked with * prefix
16003 cps->comboList[cps->comboCnt++] = q;
16005 cps->comboList[cps->comboCnt++] = NULL;
16007 opt->type = ComboBox;
16008 } else if(p = strstr(opt->name, " -button")) {
16009 opt->type = Button;
16010 } else if(p = strstr(opt->name, " -save")) {
16011 opt->type = SaveButton;
16012 } else return FALSE;
16013 *p = 0; // terminate option name
16014 // now look if the command-line options define a setting for this engine option.
16015 if(cps->optionSettings && cps->optionSettings[0])
16016 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16017 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16018 snprintf(buf, MSG_SIZ, "option %s", p);
16019 if(p = strstr(buf, ",")) *p = 0;
16020 if(q = strchr(buf, '=')) switch(opt->type) {
16022 for(n=0; n<opt->max; n++)
16023 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16026 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16030 opt->value = atoi(q+1);
16035 SendToProgram(buf, cps);
16041 FeatureDone (ChessProgramState *cps, int val)
16043 DelayedEventCallback cb = GetDelayedEvent();
16044 if ((cb == InitBackEnd3 && cps == &first) ||
16045 (cb == SettingsMenuIfReady && cps == &second) ||
16046 (cb == LoadEngine) ||
16047 (cb == TwoMachinesEventIfReady)) {
16048 CancelDelayedEvent();
16049 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16051 cps->initDone = val;
16052 if(val) cps->reload = FALSE;
16055 /* Parse feature command from engine */
16057 ParseFeatures (char *args, ChessProgramState *cps)
16065 while (*p == ' ') p++;
16066 if (*p == NULLCHAR) return;
16068 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16069 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16070 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16071 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16072 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16073 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16074 if (BoolFeature(&p, "reuse", &val, cps)) {
16075 /* Engine can disable reuse, but can't enable it if user said no */
16076 if (!val) cps->reuse = FALSE;
16079 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16080 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16081 if (gameMode == TwoMachinesPlay) {
16082 DisplayTwoMachinesTitle();
16088 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16089 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16090 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16091 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16092 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16093 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16094 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16095 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16096 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16097 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16098 if (IntFeature(&p, "done", &val, cps)) {
16099 FeatureDone(cps, val);
16102 /* Added by Tord: */
16103 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16104 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16105 /* End of additions by Tord */
16107 /* [HGM] added features: */
16108 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16109 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16110 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16111 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16112 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16113 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16114 if (StringFeature(&p, "option", buf, cps)) {
16115 if(cps->reload) continue; // we are reloading because of xreuse
16116 FREE(cps->option[cps->nrOptions].name);
16117 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16118 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16119 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16120 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16121 SendToProgram(buf, cps);
16124 if(cps->nrOptions >= MAX_OPTIONS) {
16126 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16127 DisplayError(buf, 0);
16131 /* End of additions by HGM */
16133 /* unknown feature: complain and skip */
16135 while (*q && *q != '=') q++;
16136 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16137 SendToProgram(buf, cps);
16143 while (*p && *p != '\"') p++;
16144 if (*p == '\"') p++;
16146 while (*p && *p != ' ') p++;
16154 PeriodicUpdatesEvent (int newState)
16156 if (newState == appData.periodicUpdates)
16159 appData.periodicUpdates=newState;
16161 /* Display type changes, so update it now */
16162 // DisplayAnalysis();
16164 /* Get the ball rolling again... */
16166 AnalysisPeriodicEvent(1);
16167 StartAnalysisClock();
16172 PonderNextMoveEvent (int newState)
16174 if (newState == appData.ponderNextMove) return;
16175 if (gameMode == EditPosition) EditPositionDone(TRUE);
16177 SendToProgram("hard\n", &first);
16178 if (gameMode == TwoMachinesPlay) {
16179 SendToProgram("hard\n", &second);
16182 SendToProgram("easy\n", &first);
16183 thinkOutput[0] = NULLCHAR;
16184 if (gameMode == TwoMachinesPlay) {
16185 SendToProgram("easy\n", &second);
16188 appData.ponderNextMove = newState;
16192 NewSettingEvent (int option, int *feature, char *command, int value)
16196 if (gameMode == EditPosition) EditPositionDone(TRUE);
16197 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16198 if(feature == NULL || *feature) SendToProgram(buf, &first);
16199 if (gameMode == TwoMachinesPlay) {
16200 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16205 ShowThinkingEvent ()
16206 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16208 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16209 int newState = appData.showThinking
16210 // [HGM] thinking: other features now need thinking output as well
16211 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16213 if (oldState == newState) return;
16214 oldState = newState;
16215 if (gameMode == EditPosition) EditPositionDone(TRUE);
16217 SendToProgram("post\n", &first);
16218 if (gameMode == TwoMachinesPlay) {
16219 SendToProgram("post\n", &second);
16222 SendToProgram("nopost\n", &first);
16223 thinkOutput[0] = NULLCHAR;
16224 if (gameMode == TwoMachinesPlay) {
16225 SendToProgram("nopost\n", &second);
16228 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16232 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16234 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16235 if (pr == NoProc) return;
16236 AskQuestion(title, question, replyPrefix, pr);
16240 TypeInEvent (char firstChar)
16242 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16243 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16244 gameMode == AnalyzeMode || gameMode == EditGame ||
16245 gameMode == EditPosition || gameMode == IcsExamining ||
16246 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16247 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16248 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16249 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16250 gameMode == Training) PopUpMoveDialog(firstChar);
16254 TypeInDoneEvent (char *move)
16257 int n, fromX, fromY, toX, toY;
16259 ChessMove moveType;
16262 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16263 EditPositionPasteFEN(move);
16266 // [HGM] movenum: allow move number to be typed in any mode
16267 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16271 // undocumented kludge: allow command-line option to be typed in!
16272 // (potentially fatal, and does not implement the effect of the option.)
16273 // should only be used for options that are values on which future decisions will be made,
16274 // and definitely not on options that would be used during initialization.
16275 if(strstr(move, "!!! -") == move) {
16276 ParseArgsFromString(move+4);
16280 if (gameMode != EditGame && currentMove != forwardMostMove &&
16281 gameMode != Training) {
16282 DisplayMoveError(_("Displayed move is not current"));
16284 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16285 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16286 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16287 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16288 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16289 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16291 DisplayMoveError(_("Could not parse move"));
16297 DisplayMove (int moveNumber)
16299 char message[MSG_SIZ];
16301 char cpThinkOutput[MSG_SIZ];
16303 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16305 if (moveNumber == forwardMostMove - 1 ||
16306 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16308 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16310 if (strchr(cpThinkOutput, '\n')) {
16311 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16314 *cpThinkOutput = NULLCHAR;
16317 /* [AS] Hide thinking from human user */
16318 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16319 *cpThinkOutput = NULLCHAR;
16320 if( thinkOutput[0] != NULLCHAR ) {
16323 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16324 cpThinkOutput[i] = '.';
16326 cpThinkOutput[i] = NULLCHAR;
16327 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16331 if (moveNumber == forwardMostMove - 1 &&
16332 gameInfo.resultDetails != NULL) {
16333 if (gameInfo.resultDetails[0] == NULLCHAR) {
16334 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16336 snprintf(res, MSG_SIZ, " {%s} %s",
16337 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16343 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16344 DisplayMessage(res, cpThinkOutput);
16346 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16347 WhiteOnMove(moveNumber) ? " " : ".. ",
16348 parseList[moveNumber], res);
16349 DisplayMessage(message, cpThinkOutput);
16354 DisplayComment (int moveNumber, char *text)
16356 char title[MSG_SIZ];
16358 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16359 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16361 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16362 WhiteOnMove(moveNumber) ? " " : ".. ",
16363 parseList[moveNumber]);
16365 if (text != NULL && (appData.autoDisplayComment || commentUp))
16366 CommentPopUp(title, text);
16369 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16370 * might be busy thinking or pondering. It can be omitted if your
16371 * gnuchess is configured to stop thinking immediately on any user
16372 * input. However, that gnuchess feature depends on the FIONREAD
16373 * ioctl, which does not work properly on some flavors of Unix.
16376 Attention (ChessProgramState *cps)
16379 if (!cps->useSigint) return;
16380 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16381 switch (gameMode) {
16382 case MachinePlaysWhite:
16383 case MachinePlaysBlack:
16384 case TwoMachinesPlay:
16385 case IcsPlayingWhite:
16386 case IcsPlayingBlack:
16389 /* Skip if we know it isn't thinking */
16390 if (!cps->maybeThinking) return;
16391 if (appData.debugMode)
16392 fprintf(debugFP, "Interrupting %s\n", cps->which);
16393 InterruptChildProcess(cps->pr);
16394 cps->maybeThinking = FALSE;
16399 #endif /*ATTENTION*/
16405 if (whiteTimeRemaining <= 0) {
16408 if (appData.icsActive) {
16409 if (appData.autoCallFlag &&
16410 gameMode == IcsPlayingBlack && !blackFlag) {
16411 SendToICS(ics_prefix);
16412 SendToICS("flag\n");
16416 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16418 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16419 if (appData.autoCallFlag) {
16420 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16427 if (blackTimeRemaining <= 0) {
16430 if (appData.icsActive) {
16431 if (appData.autoCallFlag &&
16432 gameMode == IcsPlayingWhite && !whiteFlag) {
16433 SendToICS(ics_prefix);
16434 SendToICS("flag\n");
16438 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16440 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16441 if (appData.autoCallFlag) {
16442 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16453 CheckTimeControl ()
16455 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16456 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16459 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16461 if ( !WhiteOnMove(forwardMostMove) ) {
16462 /* White made time control */
16463 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16464 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16465 /* [HGM] time odds: correct new time quota for time odds! */
16466 / WhitePlayer()->timeOdds;
16467 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16469 lastBlack -= blackTimeRemaining;
16470 /* Black made time control */
16471 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16472 / WhitePlayer()->other->timeOdds;
16473 lastWhite = whiteTimeRemaining;
16478 DisplayBothClocks ()
16480 int wom = gameMode == EditPosition ?
16481 !blackPlaysFirst : WhiteOnMove(currentMove);
16482 DisplayWhiteClock(whiteTimeRemaining, wom);
16483 DisplayBlackClock(blackTimeRemaining, !wom);
16487 /* Timekeeping seems to be a portability nightmare. I think everyone
16488 has ftime(), but I'm really not sure, so I'm including some ifdefs
16489 to use other calls if you don't. Clocks will be less accurate if
16490 you have neither ftime nor gettimeofday.
16493 /* VS 2008 requires the #include outside of the function */
16494 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16495 #include <sys/timeb.h>
16498 /* Get the current time as a TimeMark */
16500 GetTimeMark (TimeMark *tm)
16502 #if HAVE_GETTIMEOFDAY
16504 struct timeval timeVal;
16505 struct timezone timeZone;
16507 gettimeofday(&timeVal, &timeZone);
16508 tm->sec = (long) timeVal.tv_sec;
16509 tm->ms = (int) (timeVal.tv_usec / 1000L);
16511 #else /*!HAVE_GETTIMEOFDAY*/
16514 // include <sys/timeb.h> / moved to just above start of function
16515 struct timeb timeB;
16518 tm->sec = (long) timeB.time;
16519 tm->ms = (int) timeB.millitm;
16521 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16522 tm->sec = (long) time(NULL);
16528 /* Return the difference in milliseconds between two
16529 time marks. We assume the difference will fit in a long!
16532 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16534 return 1000L*(tm2->sec - tm1->sec) +
16535 (long) (tm2->ms - tm1->ms);
16540 * Code to manage the game clocks.
16542 * In tournament play, black starts the clock and then white makes a move.
16543 * We give the human user a slight advantage if he is playing white---the
16544 * clocks don't run until he makes his first move, so it takes zero time.
16545 * Also, we don't account for network lag, so we could get out of sync
16546 * with GNU Chess's clock -- but then, referees are always right.
16549 static TimeMark tickStartTM;
16550 static long intendedTickLength;
16553 NextTickLength (long timeRemaining)
16555 long nominalTickLength, nextTickLength;
16557 if (timeRemaining > 0L && timeRemaining <= 10000L)
16558 nominalTickLength = 100L;
16560 nominalTickLength = 1000L;
16561 nextTickLength = timeRemaining % nominalTickLength;
16562 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16564 return nextTickLength;
16567 /* Adjust clock one minute up or down */
16569 AdjustClock (Boolean which, int dir)
16571 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16572 if(which) blackTimeRemaining += 60000*dir;
16573 else whiteTimeRemaining += 60000*dir;
16574 DisplayBothClocks();
16575 adjustedClock = TRUE;
16578 /* Stop clocks and reset to a fresh time control */
16582 (void) StopClockTimer();
16583 if (appData.icsActive) {
16584 whiteTimeRemaining = blackTimeRemaining = 0;
16585 } else if (searchTime) {
16586 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16587 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16588 } else { /* [HGM] correct new time quote for time odds */
16589 whiteTC = blackTC = fullTimeControlString;
16590 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16591 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16593 if (whiteFlag || blackFlag) {
16595 whiteFlag = blackFlag = FALSE;
16597 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16598 DisplayBothClocks();
16599 adjustedClock = FALSE;
16602 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16604 /* Decrement running clock by amount of time that has passed */
16608 long timeRemaining;
16609 long lastTickLength, fudge;
16612 if (!appData.clockMode) return;
16613 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16617 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16619 /* Fudge if we woke up a little too soon */
16620 fudge = intendedTickLength - lastTickLength;
16621 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16623 if (WhiteOnMove(forwardMostMove)) {
16624 if(whiteNPS >= 0) lastTickLength = 0;
16625 timeRemaining = whiteTimeRemaining -= lastTickLength;
16626 if(timeRemaining < 0 && !appData.icsActive) {
16627 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16628 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16629 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16630 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16633 DisplayWhiteClock(whiteTimeRemaining - fudge,
16634 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16636 if(blackNPS >= 0) lastTickLength = 0;
16637 timeRemaining = blackTimeRemaining -= lastTickLength;
16638 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16639 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16641 blackStartMove = forwardMostMove;
16642 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16645 DisplayBlackClock(blackTimeRemaining - fudge,
16646 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16648 if (CheckFlags()) return;
16650 if(twoBoards) { // count down secondary board's clocks as well
16651 activePartnerTime -= lastTickLength;
16653 if(activePartner == 'W')
16654 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16656 DisplayBlackClock(activePartnerTime, TRUE);
16661 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16662 StartClockTimer(intendedTickLength);
16664 /* if the time remaining has fallen below the alarm threshold, sound the
16665 * alarm. if the alarm has sounded and (due to a takeback or time control
16666 * with increment) the time remaining has increased to a level above the
16667 * threshold, reset the alarm so it can sound again.
16670 if (appData.icsActive && appData.icsAlarm) {
16672 /* make sure we are dealing with the user's clock */
16673 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16674 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16677 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16678 alarmSounded = FALSE;
16679 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16681 alarmSounded = TRUE;
16687 /* A player has just moved, so stop the previously running
16688 clock and (if in clock mode) start the other one.
16689 We redisplay both clocks in case we're in ICS mode, because
16690 ICS gives us an update to both clocks after every move.
16691 Note that this routine is called *after* forwardMostMove
16692 is updated, so the last fractional tick must be subtracted
16693 from the color that is *not* on move now.
16696 SwitchClocks (int newMoveNr)
16698 long lastTickLength;
16700 int flagged = FALSE;
16704 if (StopClockTimer() && appData.clockMode) {
16705 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16706 if (!WhiteOnMove(forwardMostMove)) {
16707 if(blackNPS >= 0) lastTickLength = 0;
16708 blackTimeRemaining -= 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 = // use GUI time
16712 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16714 if(whiteNPS >= 0) lastTickLength = 0;
16715 whiteTimeRemaining -= lastTickLength;
16716 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16717 // if(pvInfoList[forwardMostMove].time == -1)
16718 pvInfoList[forwardMostMove].time =
16719 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16721 flagged = CheckFlags();
16723 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16724 CheckTimeControl();
16726 if (flagged || !appData.clockMode) return;
16728 switch (gameMode) {
16729 case MachinePlaysBlack:
16730 case MachinePlaysWhite:
16731 case BeginningOfGame:
16732 if (pausing) return;
16736 case PlayFromGameFile:
16744 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16745 if(WhiteOnMove(forwardMostMove))
16746 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16747 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16751 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16752 whiteTimeRemaining : blackTimeRemaining);
16753 StartClockTimer(intendedTickLength);
16757 /* Stop both clocks */
16761 long lastTickLength;
16764 if (!StopClockTimer()) return;
16765 if (!appData.clockMode) return;
16769 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16770 if (WhiteOnMove(forwardMostMove)) {
16771 if(whiteNPS >= 0) lastTickLength = 0;
16772 whiteTimeRemaining -= lastTickLength;
16773 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16775 if(blackNPS >= 0) lastTickLength = 0;
16776 blackTimeRemaining -= lastTickLength;
16777 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16782 /* Start clock of player on move. Time may have been reset, so
16783 if clock is already running, stop and restart it. */
16787 (void) StopClockTimer(); /* in case it was running already */
16788 DisplayBothClocks();
16789 if (CheckFlags()) return;
16791 if (!appData.clockMode) return;
16792 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16794 GetTimeMark(&tickStartTM);
16795 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16796 whiteTimeRemaining : blackTimeRemaining);
16798 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16799 whiteNPS = blackNPS = -1;
16800 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16801 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16802 whiteNPS = first.nps;
16803 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16804 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16805 blackNPS = first.nps;
16806 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16807 whiteNPS = second.nps;
16808 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16809 blackNPS = second.nps;
16810 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16812 StartClockTimer(intendedTickLength);
16816 TimeString (long ms)
16818 long second, minute, hour, day;
16820 static char buf[32];
16822 if (ms > 0 && ms <= 9900) {
16823 /* convert milliseconds to tenths, rounding up */
16824 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16826 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16830 /* convert milliseconds to seconds, rounding up */
16831 /* use floating point to avoid strangeness of integer division
16832 with negative dividends on many machines */
16833 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16840 day = second / (60 * 60 * 24);
16841 second = second % (60 * 60 * 24);
16842 hour = second / (60 * 60);
16843 second = second % (60 * 60);
16844 minute = second / 60;
16845 second = second % 60;
16848 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16849 sign, day, hour, minute, second);
16851 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16853 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16860 * This is necessary because some C libraries aren't ANSI C compliant yet.
16863 StrStr (char *string, char *match)
16867 length = strlen(match);
16869 for (i = strlen(string) - length; i >= 0; i--, string++)
16870 if (!strncmp(match, string, length))
16877 StrCaseStr (char *string, char *match)
16881 length = strlen(match);
16883 for (i = strlen(string) - length; i >= 0; i--, string++) {
16884 for (j = 0; j < length; j++) {
16885 if (ToLower(match[j]) != ToLower(string[j]))
16888 if (j == length) return string;
16896 StrCaseCmp (char *s1, char *s2)
16901 c1 = ToLower(*s1++);
16902 c2 = ToLower(*s2++);
16903 if (c1 > c2) return 1;
16904 if (c1 < c2) return -1;
16905 if (c1 == NULLCHAR) return 0;
16913 return isupper(c) ? tolower(c) : c;
16920 return islower(c) ? toupper(c) : c;
16922 #endif /* !_amigados */
16929 if ((ret = (char *) malloc(strlen(s) + 1)))
16931 safeStrCpy(ret, s, strlen(s)+1);
16937 StrSavePtr (char *s, char **savePtr)
16942 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16943 safeStrCpy(*savePtr, s, strlen(s)+1);
16955 clock = time((time_t *)NULL);
16956 tm = localtime(&clock);
16957 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16958 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16959 return StrSave(buf);
16964 PositionToFEN (int move, char *overrideCastling)
16966 int i, j, fromX, fromY, toX, toY;
16973 whiteToPlay = (gameMode == EditPosition) ?
16974 !blackPlaysFirst : (move % 2 == 0);
16977 /* Piece placement data */
16978 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16979 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16981 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16982 if (boards[move][i][j] == EmptySquare) {
16984 } else { ChessSquare piece = boards[move][i][j];
16985 if (emptycount > 0) {
16986 if(emptycount<10) /* [HGM] can be >= 10 */
16987 *p++ = '0' + emptycount;
16988 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16991 if(PieceToChar(piece) == '+') {
16992 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16994 piece = (ChessSquare)(DEMOTED piece);
16996 *p++ = PieceToChar(piece);
16998 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16999 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17004 if (emptycount > 0) {
17005 if(emptycount<10) /* [HGM] can be >= 10 */
17006 *p++ = '0' + emptycount;
17007 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17014 /* [HGM] print Crazyhouse or Shogi holdings */
17015 if( gameInfo.holdingsWidth ) {
17016 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17018 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17019 piece = boards[move][i][BOARD_WIDTH-1];
17020 if( piece != EmptySquare )
17021 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17022 *p++ = PieceToChar(piece);
17024 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17025 piece = boards[move][BOARD_HEIGHT-i-1][0];
17026 if( piece != EmptySquare )
17027 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17028 *p++ = PieceToChar(piece);
17031 if( q == p ) *p++ = '-';
17037 *p++ = whiteToPlay ? 'w' : 'b';
17040 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17041 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17043 if(nrCastlingRights) {
17045 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17046 /* [HGM] write directly from rights */
17047 if(boards[move][CASTLING][2] != NoRights &&
17048 boards[move][CASTLING][0] != NoRights )
17049 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17050 if(boards[move][CASTLING][2] != NoRights &&
17051 boards[move][CASTLING][1] != NoRights )
17052 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17053 if(boards[move][CASTLING][5] != NoRights &&
17054 boards[move][CASTLING][3] != NoRights )
17055 *p++ = boards[move][CASTLING][3] + AAA;
17056 if(boards[move][CASTLING][5] != NoRights &&
17057 boards[move][CASTLING][4] != NoRights )
17058 *p++ = boards[move][CASTLING][4] + AAA;
17061 /* [HGM] write true castling rights */
17062 if( nrCastlingRights == 6 ) {
17064 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17065 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17066 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17067 boards[move][CASTLING][2] != NoRights );
17068 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17069 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17070 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17071 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17072 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17076 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17077 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17078 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17079 boards[move][CASTLING][5] != NoRights );
17080 if(gameInfo.variant == VariantSChess) {
17081 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17082 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17083 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17084 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17089 if (q == p) *p++ = '-'; /* No castling rights */
17093 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17094 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17095 /* En passant target square */
17096 if (move > backwardMostMove) {
17097 fromX = moveList[move - 1][0] - AAA;
17098 fromY = moveList[move - 1][1] - ONE;
17099 toX = moveList[move - 1][2] - AAA;
17100 toY = moveList[move - 1][3] - ONE;
17101 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17102 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17103 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17105 /* 2-square pawn move just happened */
17107 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17111 } else if(move == backwardMostMove) {
17112 // [HGM] perhaps we should always do it like this, and forget the above?
17113 if((signed char)boards[move][EP_STATUS] >= 0) {
17114 *p++ = boards[move][EP_STATUS] + AAA;
17115 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17126 /* [HGM] find reversible plies */
17127 { int i = 0, j=move;
17129 if (appData.debugMode) { int k;
17130 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17131 for(k=backwardMostMove; k<=forwardMostMove; k++)
17132 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17136 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17137 if( j == backwardMostMove ) i += initialRulePlies;
17138 sprintf(p, "%d ", i);
17139 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17141 /* Fullmove number */
17142 sprintf(p, "%d", (move / 2) + 1);
17144 return StrSave(buf);
17148 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17152 int emptycount, virgin[BOARD_FILES];
17157 /* [HGM] by default clear Crazyhouse holdings, if present */
17158 if(gameInfo.holdingsWidth) {
17159 for(i=0; i<BOARD_HEIGHT; i++) {
17160 board[i][0] = EmptySquare; /* black holdings */
17161 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17162 board[i][1] = (ChessSquare) 0; /* black counts */
17163 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17167 /* Piece placement data */
17168 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17171 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17172 if (*p == '/') p++;
17173 emptycount = gameInfo.boardWidth - j;
17174 while (emptycount--)
17175 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17177 #if(BOARD_FILES >= 10)
17178 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17179 p++; emptycount=10;
17180 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17181 while (emptycount--)
17182 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17184 } else if (isdigit(*p)) {
17185 emptycount = *p++ - '0';
17186 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17187 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17188 while (emptycount--)
17189 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17190 } else if (*p == '+' || isalpha(*p)) {
17191 if (j >= gameInfo.boardWidth) return FALSE;
17193 piece = CharToPiece(*++p);
17194 if(piece == EmptySquare) return FALSE; /* unknown piece */
17195 piece = (ChessSquare) (PROMOTED piece ); p++;
17196 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17197 } else piece = CharToPiece(*p++);
17199 if(piece==EmptySquare) return FALSE; /* unknown piece */
17200 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17201 piece = (ChessSquare) (PROMOTED piece);
17202 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17205 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17211 while (*p == '/' || *p == ' ') p++;
17213 /* [HGM] look for Crazyhouse holdings here */
17214 while(*p==' ') p++;
17215 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17217 if(*p == '-' ) p++; /* empty holdings */ else {
17218 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17219 /* if we would allow FEN reading to set board size, we would */
17220 /* have to add holdings and shift the board read so far here */
17221 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17223 if((int) piece >= (int) BlackPawn ) {
17224 i = (int)piece - (int)BlackPawn;
17225 i = PieceToNumber((ChessSquare)i);
17226 if( i >= gameInfo.holdingsSize ) return FALSE;
17227 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17228 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17230 i = (int)piece - (int)WhitePawn;
17231 i = PieceToNumber((ChessSquare)i);
17232 if( i >= gameInfo.holdingsSize ) return FALSE;
17233 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17234 board[i][BOARD_WIDTH-2]++; /* black holdings */
17241 while(*p == ' ') p++;
17245 if(appData.colorNickNames) {
17246 if( c == appData.colorNickNames[0] ) c = 'w'; else
17247 if( c == appData.colorNickNames[1] ) c = 'b';
17251 *blackPlaysFirst = FALSE;
17254 *blackPlaysFirst = TRUE;
17260 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17261 /* return the extra info in global variiables */
17263 /* set defaults in case FEN is incomplete */
17264 board[EP_STATUS] = EP_UNKNOWN;
17265 for(i=0; i<nrCastlingRights; i++ ) {
17266 board[CASTLING][i] =
17267 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17268 } /* assume possible unless obviously impossible */
17269 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17270 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17271 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17272 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17273 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17274 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17275 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17276 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17279 while(*p==' ') p++;
17280 if(nrCastlingRights) {
17281 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17282 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17283 /* castling indicator present, so default becomes no castlings */
17284 for(i=0; i<nrCastlingRights; i++ ) {
17285 board[CASTLING][i] = NoRights;
17288 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17289 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17290 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17291 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17292 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17294 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17295 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17296 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17298 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17299 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17300 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17301 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17302 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17303 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17306 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17307 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17308 board[CASTLING][2] = whiteKingFile;
17309 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17310 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17313 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17314 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17315 board[CASTLING][2] = whiteKingFile;
17316 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17317 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17320 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17321 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17322 board[CASTLING][5] = blackKingFile;
17323 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17324 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17327 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17328 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17329 board[CASTLING][5] = blackKingFile;
17330 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17331 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17334 default: /* FRC castlings */
17335 if(c >= 'a') { /* black rights */
17336 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17337 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17338 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17339 if(i == BOARD_RGHT) break;
17340 board[CASTLING][5] = i;
17342 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17343 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17345 board[CASTLING][3] = c;
17347 board[CASTLING][4] = c;
17348 } else { /* white rights */
17349 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17350 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17351 if(board[0][i] == WhiteKing) break;
17352 if(i == BOARD_RGHT) break;
17353 board[CASTLING][2] = i;
17354 c -= AAA - 'a' + 'A';
17355 if(board[0][c] >= WhiteKing) break;
17357 board[CASTLING][0] = c;
17359 board[CASTLING][1] = c;
17363 for(i=0; i<nrCastlingRights; i++)
17364 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17365 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17366 if (appData.debugMode) {
17367 fprintf(debugFP, "FEN castling rights:");
17368 for(i=0; i<nrCastlingRights; i++)
17369 fprintf(debugFP, " %d", board[CASTLING][i]);
17370 fprintf(debugFP, "\n");
17373 while(*p==' ') p++;
17376 /* read e.p. field in games that know e.p. capture */
17377 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17378 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17380 p++; board[EP_STATUS] = EP_NONE;
17382 char c = *p++ - AAA;
17384 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17385 if(*p >= '0' && *p <='9') p++;
17386 board[EP_STATUS] = c;
17391 if(sscanf(p, "%d", &i) == 1) {
17392 FENrulePlies = i; /* 50-move ply counter */
17393 /* (The move number is still ignored) */
17400 EditPositionPasteFEN (char *fen)
17403 Board initial_position;
17405 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17406 DisplayError(_("Bad FEN position in clipboard"), 0);
17409 int savedBlackPlaysFirst = blackPlaysFirst;
17410 EditPositionEvent();
17411 blackPlaysFirst = savedBlackPlaysFirst;
17412 CopyBoard(boards[0], initial_position);
17413 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17414 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17415 DisplayBothClocks();
17416 DrawPosition(FALSE, boards[currentMove]);
17421 static char cseq[12] = "\\ ";
17424 set_cont_sequence (char *new_seq)
17429 // handle bad attempts to set the sequence
17431 return 0; // acceptable error - no debug
17433 len = strlen(new_seq);
17434 ret = (len > 0) && (len < sizeof(cseq));
17436 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17437 else if (appData.debugMode)
17438 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17443 reformat a source message so words don't cross the width boundary. internal
17444 newlines are not removed. returns the wrapped size (no null character unless
17445 included in source message). If dest is NULL, only calculate the size required
17446 for the dest buffer. lp argument indicats line position upon entry, and it's
17447 passed back upon exit.
17450 wrap (char *dest, char *src, int count, int width, int *lp)
17452 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17454 cseq_len = strlen(cseq);
17455 old_line = line = *lp;
17456 ansi = len = clen = 0;
17458 for (i=0; i < count; i++)
17460 if (src[i] == '\033')
17463 // if we hit the width, back up
17464 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17466 // store i & len in case the word is too long
17467 old_i = i, old_len = len;
17469 // find the end of the last word
17470 while (i && src[i] != ' ' && src[i] != '\n')
17476 // word too long? restore i & len before splitting it
17477 if ((old_i-i+clen) >= width)
17484 if (i && src[i-1] == ' ')
17487 if (src[i] != ' ' && src[i] != '\n')
17494 // now append the newline and continuation sequence
17499 strncpy(dest+len, cseq, cseq_len);
17507 dest[len] = src[i];
17511 if (src[i] == '\n')
17516 if (dest && appData.debugMode)
17518 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17519 count, width, line, len, *lp);
17520 show_bytes(debugFP, src, count);
17521 fprintf(debugFP, "\ndest: ");
17522 show_bytes(debugFP, dest, len);
17523 fprintf(debugFP, "\n");
17525 *lp = dest ? line : old_line;
17530 // [HGM] vari: routines for shelving variations
17531 Boolean modeRestore = FALSE;
17534 PushInner (int firstMove, int lastMove)
17536 int i, j, nrMoves = lastMove - firstMove;
17538 // push current tail of game on stack
17539 savedResult[storedGames] = gameInfo.result;
17540 savedDetails[storedGames] = gameInfo.resultDetails;
17541 gameInfo.resultDetails = NULL;
17542 savedFirst[storedGames] = firstMove;
17543 savedLast [storedGames] = lastMove;
17544 savedFramePtr[storedGames] = framePtr;
17545 framePtr -= nrMoves; // reserve space for the boards
17546 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17547 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17548 for(j=0; j<MOVE_LEN; j++)
17549 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17550 for(j=0; j<2*MOVE_LEN; j++)
17551 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17552 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17553 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17554 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17555 pvInfoList[firstMove+i-1].depth = 0;
17556 commentList[framePtr+i] = commentList[firstMove+i];
17557 commentList[firstMove+i] = NULL;
17561 forwardMostMove = firstMove; // truncate game so we can start variation
17565 PushTail (int firstMove, int lastMove)
17567 if(appData.icsActive) { // only in local mode
17568 forwardMostMove = currentMove; // mimic old ICS behavior
17571 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17573 PushInner(firstMove, lastMove);
17574 if(storedGames == 1) GreyRevert(FALSE);
17575 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17579 PopInner (Boolean annotate)
17582 char buf[8000], moveBuf[20];
17584 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17585 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17586 nrMoves = savedLast[storedGames] - currentMove;
17589 if(!WhiteOnMove(currentMove))
17590 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17591 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17592 for(i=currentMove; i<forwardMostMove; i++) {
17594 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17595 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17596 strcat(buf, moveBuf);
17597 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17598 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17602 for(i=1; i<=nrMoves; i++) { // copy last variation back
17603 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17604 for(j=0; j<MOVE_LEN; j++)
17605 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17606 for(j=0; j<2*MOVE_LEN; j++)
17607 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17608 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17609 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17610 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17611 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17612 commentList[currentMove+i] = commentList[framePtr+i];
17613 commentList[framePtr+i] = NULL;
17615 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17616 framePtr = savedFramePtr[storedGames];
17617 gameInfo.result = savedResult[storedGames];
17618 if(gameInfo.resultDetails != NULL) {
17619 free(gameInfo.resultDetails);
17621 gameInfo.resultDetails = savedDetails[storedGames];
17622 forwardMostMove = currentMove + nrMoves;
17626 PopTail (Boolean annotate)
17628 if(appData.icsActive) return FALSE; // only in local mode
17629 if(!storedGames) return FALSE; // sanity
17630 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17632 PopInner(annotate);
17633 if(currentMove < forwardMostMove) ForwardEvent(); else
17634 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17636 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17642 { // remove all shelved variations
17644 for(i=0; i<storedGames; i++) {
17645 if(savedDetails[i])
17646 free(savedDetails[i]);
17647 savedDetails[i] = NULL;
17649 for(i=framePtr; i<MAX_MOVES; i++) {
17650 if(commentList[i]) free(commentList[i]);
17651 commentList[i] = NULL;
17653 framePtr = MAX_MOVES-1;
17658 LoadVariation (int index, char *text)
17659 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17660 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17661 int level = 0, move;
17663 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17664 // first find outermost bracketing variation
17665 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17666 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17667 if(*p == '{') wait = '}'; else
17668 if(*p == '[') wait = ']'; else
17669 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17670 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17672 if(*p == wait) wait = NULLCHAR; // closing ]} found
17675 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17676 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17677 end[1] = NULLCHAR; // clip off comment beyond variation
17678 ToNrEvent(currentMove-1);
17679 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17680 // kludge: use ParsePV() to append variation to game
17681 move = currentMove;
17682 ParsePV(start, TRUE, TRUE);
17683 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17684 ClearPremoveHighlights();
17686 ToNrEvent(currentMove+1);
17692 char *p, *q, buf[MSG_SIZ];
17693 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17694 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17695 ParseArgsFromString(buf);
17696 ActivateTheme(TRUE); // also redo colors
17700 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17703 q = appData.themeNames;
17704 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17705 if(appData.useBitmaps) {
17706 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17707 appData.liteBackTextureFile, appData.darkBackTextureFile,
17708 appData.liteBackTextureMode,
17709 appData.darkBackTextureMode );
17711 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17712 Col2Text(2), // lightSquareColor
17713 Col2Text(3) ); // darkSquareColor
17715 if(appData.useBorder) {
17716 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17719 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17721 if(appData.useFont) {
17722 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17723 appData.renderPiecesWithFont,
17724 appData.fontToPieceTable,
17725 Col2Text(9), // appData.fontBackColorWhite
17726 Col2Text(10) ); // appData.fontForeColorBlack
17728 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17729 appData.pieceDirectory);
17730 if(!appData.pieceDirectory[0])
17731 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17732 Col2Text(0), // whitePieceColor
17733 Col2Text(1) ); // blackPieceColor
17735 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17736 Col2Text(4), // highlightSquareColor
17737 Col2Text(5) ); // premoveHighlightColor
17738 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17739 if(insert != q) insert[-1] = NULLCHAR;
17740 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17743 ActivateTheme(FALSE);