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;
790 /* New features added by Tord: */
791 cps->useFEN960 = FALSE;
792 cps->useOOCastle = TRUE;
793 /* End of new features added by Tord. */
794 cps->fenOverride = appData.fenOverride[n];
796 /* [HGM] time odds: set factor for each machine */
797 cps->timeOdds = appData.timeOdds[n];
799 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
800 cps->accumulateTC = appData.accumulateTC[n];
801 cps->maxNrOfSessions = 1;
806 cps->supportsNPS = UNKNOWN;
807 cps->memSize = FALSE;
808 cps->maxCores = FALSE;
809 cps->egtFormats[0] = NULLCHAR;
812 cps->optionSettings = appData.engOptions[n];
814 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
815 cps->isUCI = appData.isUCI[n]; /* [AS] */
816 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
818 if (appData.protocolVersion[n] > PROTOVER
819 || appData.protocolVersion[n] < 1)
824 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
825 appData.protocolVersion[n]);
826 if( (len >= MSG_SIZ) && appData.debugMode )
827 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
829 DisplayFatalError(buf, 0, 2);
833 cps->protocolVersion = appData.protocolVersion[n];
836 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
837 ParseFeatures(appData.featureDefaults, cps);
840 ChessProgramState *savCps;
846 if(WaitForEngine(savCps, LoadEngine)) return;
847 CommonEngineInit(); // recalculate time odds
848 if(gameInfo.variant != StringToVariant(appData.variant)) {
849 // we changed variant when loading the engine; this forces us to reset
850 Reset(TRUE, savCps != &first);
851 EditGameEvent(); // for consistency with other path, as Reset changes mode
853 InitChessProgram(savCps, FALSE);
854 SendToProgram("force\n", savCps);
855 DisplayMessage("", "");
856 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
857 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
863 ReplaceEngine (ChessProgramState *cps, int n)
867 appData.noChessProgram = FALSE;
868 appData.clockMode = TRUE;
871 if(n) return; // only startup first engine immediately; second can wait
872 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
876 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
877 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
879 static char resetOptions[] =
880 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
881 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
882 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
883 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
886 FloatToFront(char **list, char *engineLine)
888 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
890 if(appData.recentEngines <= 0) return;
891 TidyProgramName(engineLine, "localhost", tidy+1);
892 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
893 strncpy(buf+1, *list, MSG_SIZ-50);
894 if(p = strstr(buf, tidy)) { // tidy name appears in list
895 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
896 while(*p++ = *++q); // squeeze out
898 strcat(tidy, buf+1); // put list behind tidy name
899 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
900 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
901 ASSIGN(*list, tidy+1);
904 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
907 Load (ChessProgramState *cps, int i)
909 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
910 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
911 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
912 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
913 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
914 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
915 appData.firstProtocolVersion = PROTOVER;
916 ParseArgsFromString(buf);
918 ReplaceEngine(cps, i);
919 FloatToFront(&appData.recentEngineList, engineLine);
923 while(q = strchr(p, SLASH)) p = q+1;
924 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
925 if(engineDir[0] != NULLCHAR) {
926 ASSIGN(appData.directory[i], engineDir); p = engineName;
927 } else if(p != engineName) { // derive directory from engine path, when not given
929 ASSIGN(appData.directory[i], engineName);
931 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
932 } else { ASSIGN(appData.directory[i], "."); }
934 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
935 snprintf(command, MSG_SIZ, "%s %s", p, params);
938 ASSIGN(appData.chessProgram[i], p);
939 appData.isUCI[i] = isUCI;
940 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
941 appData.hasOwnBookUCI[i] = hasBook;
942 if(!nickName[0]) useNick = FALSE;
943 if(useNick) ASSIGN(appData.pgnName[i], nickName);
947 q = firstChessProgramNames;
948 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
949 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
950 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
951 quote, p, quote, appData.directory[i],
952 useNick ? " -fn \"" : "",
953 useNick ? nickName : "",
955 v1 ? " -firstProtocolVersion 1" : "",
956 hasBook ? "" : " -fNoOwnBookUCI",
957 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
958 storeVariant ? " -variant " : "",
959 storeVariant ? VariantName(gameInfo.variant) : "");
960 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
961 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
962 if(insert != q) insert[-1] = NULLCHAR;
963 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
965 FloatToFront(&appData.recentEngineList, buf);
967 ReplaceEngine(cps, i);
973 int matched, min, sec;
975 * Parse timeControl resource
977 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
978 appData.movesPerSession)) {
980 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
981 DisplayFatalError(buf, 0, 2);
985 * Parse searchTime resource
987 if (*appData.searchTime != NULLCHAR) {
988 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
990 searchTime = min * 60;
991 } else if (matched == 2) {
992 searchTime = min * 60 + sec;
995 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
996 DisplayFatalError(buf, 0, 2);
1005 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1006 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1008 GetTimeMark(&programStartTime);
1009 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1010 appData.seedBase = random() + (random()<<15);
1011 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1013 ClearProgramStats();
1014 programStats.ok_to_send = 1;
1015 programStats.seen_stat = 0;
1018 * Initialize game list
1024 * Internet chess server status
1026 if (appData.icsActive) {
1027 appData.matchMode = FALSE;
1028 appData.matchGames = 0;
1030 appData.noChessProgram = !appData.zippyPlay;
1032 appData.zippyPlay = FALSE;
1033 appData.zippyTalk = FALSE;
1034 appData.noChessProgram = TRUE;
1036 if (*appData.icsHelper != NULLCHAR) {
1037 appData.useTelnet = TRUE;
1038 appData.telnetProgram = appData.icsHelper;
1041 appData.zippyTalk = appData.zippyPlay = FALSE;
1044 /* [AS] Initialize pv info list [HGM] and game state */
1048 for( i=0; i<=framePtr; i++ ) {
1049 pvInfoList[i].depth = -1;
1050 boards[i][EP_STATUS] = EP_NONE;
1051 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1057 /* [AS] Adjudication threshold */
1058 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1060 InitEngine(&first, 0);
1061 InitEngine(&second, 1);
1064 pairing.which = "pairing"; // pairing engine
1065 pairing.pr = NoProc;
1067 pairing.program = appData.pairingEngine;
1068 pairing.host = "localhost";
1071 if (appData.icsActive) {
1072 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1073 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1074 appData.clockMode = FALSE;
1075 first.sendTime = second.sendTime = 0;
1079 /* Override some settings from environment variables, for backward
1080 compatibility. Unfortunately it's not feasible to have the env
1081 vars just set defaults, at least in xboard. Ugh.
1083 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1088 if (!appData.icsActive) {
1092 /* Check for variants that are supported only in ICS mode,
1093 or not at all. Some that are accepted here nevertheless
1094 have bugs; see comments below.
1096 VariantClass variant = StringToVariant(appData.variant);
1098 case VariantBughouse: /* need four players and two boards */
1099 case VariantKriegspiel: /* need to hide pieces and move details */
1100 /* case VariantFischeRandom: (Fabien: moved below) */
1101 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1102 if( (len >= MSG_SIZ) && appData.debugMode )
1103 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1105 DisplayFatalError(buf, 0, 2);
1108 case VariantUnknown:
1109 case VariantLoadable:
1119 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1120 if( (len >= MSG_SIZ) && appData.debugMode )
1121 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1123 DisplayFatalError(buf, 0, 2);
1126 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1127 case VariantFairy: /* [HGM] TestLegality definitely off! */
1128 case VariantGothic: /* [HGM] should work */
1129 case VariantCapablanca: /* [HGM] should work */
1130 case VariantCourier: /* [HGM] initial forced moves not implemented */
1131 case VariantShogi: /* [HGM] could still mate with pawn drop */
1132 case VariantKnightmate: /* [HGM] should work */
1133 case VariantCylinder: /* [HGM] untested */
1134 case VariantFalcon: /* [HGM] untested */
1135 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1136 offboard interposition not understood */
1137 case VariantNormal: /* definitely works! */
1138 case VariantWildCastle: /* pieces not automatically shuffled */
1139 case VariantNoCastle: /* pieces not automatically shuffled */
1140 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1141 case VariantLosers: /* should work except for win condition,
1142 and doesn't know captures are mandatory */
1143 case VariantSuicide: /* should work except for win condition,
1144 and doesn't know captures are mandatory */
1145 case VariantGiveaway: /* should work except for win condition,
1146 and doesn't know captures are mandatory */
1147 case VariantTwoKings: /* should work */
1148 case VariantAtomic: /* should work except for win condition */
1149 case Variant3Check: /* should work except for win condition */
1150 case VariantShatranj: /* should work except for all win conditions */
1151 case VariantMakruk: /* should work except for draw countdown */
1152 case VariantBerolina: /* might work if TestLegality is off */
1153 case VariantCapaRandom: /* should work */
1154 case VariantJanus: /* should work */
1155 case VariantSuper: /* experimental */
1156 case VariantGreat: /* experimental, requires legality testing to be off */
1157 case VariantSChess: /* S-Chess, should work */
1158 case VariantGrand: /* should work */
1159 case VariantSpartan: /* should work */
1167 NextIntegerFromString (char ** str, long * value)
1172 while( *s == ' ' || *s == '\t' ) {
1178 if( *s >= '0' && *s <= '9' ) {
1179 while( *s >= '0' && *s <= '9' ) {
1180 *value = *value * 10 + (*s - '0');
1193 NextTimeControlFromString (char ** str, long * value)
1196 int result = NextIntegerFromString( str, &temp );
1199 *value = temp * 60; /* Minutes */
1200 if( **str == ':' ) {
1202 result = NextIntegerFromString( str, &temp );
1203 *value += temp; /* Seconds */
1211 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1212 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1213 int result = -1, type = 0; long temp, temp2;
1215 if(**str != ':') return -1; // old params remain in force!
1217 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1218 if( NextIntegerFromString( str, &temp ) ) return -1;
1219 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1222 /* time only: incremental or sudden-death time control */
1223 if(**str == '+') { /* increment follows; read it */
1225 if(**str == '!') type = *(*str)++; // Bronstein TC
1226 if(result = NextIntegerFromString( str, &temp2)) return -1;
1227 *inc = temp2 * 1000;
1228 if(**str == '.') { // read fraction of increment
1229 char *start = ++(*str);
1230 if(result = NextIntegerFromString( str, &temp2)) return -1;
1232 while(start++ < *str) temp2 /= 10;
1236 *moves = 0; *tc = temp * 1000; *incType = type;
1240 (*str)++; /* classical time control */
1241 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1253 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1254 { /* [HGM] get time to add from the multi-session time-control string */
1255 int incType, moves=1; /* kludge to force reading of first session */
1256 long time, increment;
1259 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1261 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1262 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1263 if(movenr == -1) return time; /* last move before new session */
1264 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1265 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1266 if(!moves) return increment; /* current session is incremental */
1267 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1268 } while(movenr >= -1); /* try again for next session */
1270 return 0; // no new time quota on this move
1274 ParseTimeControl (char *tc, float ti, int mps)
1278 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1281 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1282 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1283 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1287 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1292 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1294 snprintf(buf, MSG_SIZ, ":%s", mytc);
1296 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1298 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1303 /* Parse second time control */
1306 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1314 timeControl_2 = tc2 * 1000;
1324 timeControl = tc1 * 1000;
1327 timeIncrement = ti * 1000; /* convert to ms */
1328 movesPerSession = 0;
1331 movesPerSession = mps;
1339 if (appData.debugMode) {
1340 fprintf(debugFP, "%s\n", programVersion);
1342 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1344 set_cont_sequence(appData.wrapContSeq);
1345 if (appData.matchGames > 0) {
1346 appData.matchMode = TRUE;
1347 } else if (appData.matchMode) {
1348 appData.matchGames = 1;
1350 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1351 appData.matchGames = appData.sameColorGames;
1352 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1353 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1354 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1357 if (appData.noChessProgram || first.protocolVersion == 1) {
1360 /* kludge: allow timeout for initial "feature" commands */
1362 DisplayMessage("", _("Starting chess program"));
1363 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1368 CalculateIndex (int index, int gameNr)
1369 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1371 if(index > 0) return index; // fixed nmber
1372 if(index == 0) return 1;
1373 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1374 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1379 LoadGameOrPosition (int gameNr)
1380 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1381 if (*appData.loadGameFile != NULLCHAR) {
1382 if (!LoadGameFromFile(appData.loadGameFile,
1383 CalculateIndex(appData.loadGameIndex, gameNr),
1384 appData.loadGameFile, FALSE)) {
1385 DisplayFatalError(_("Bad game file"), 0, 1);
1388 } else if (*appData.loadPositionFile != NULLCHAR) {
1389 if (!LoadPositionFromFile(appData.loadPositionFile,
1390 CalculateIndex(appData.loadPositionIndex, gameNr),
1391 appData.loadPositionFile)) {
1392 DisplayFatalError(_("Bad position file"), 0, 1);
1400 ReserveGame (int gameNr, char resChar)
1402 FILE *tf = fopen(appData.tourneyFile, "r+");
1403 char *p, *q, c, buf[MSG_SIZ];
1404 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1405 safeStrCpy(buf, lastMsg, MSG_SIZ);
1406 DisplayMessage(_("Pick new game"), "");
1407 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1408 ParseArgsFromFile(tf);
1409 p = q = appData.results;
1410 if(appData.debugMode) {
1411 char *r = appData.participants;
1412 fprintf(debugFP, "results = '%s'\n", p);
1413 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1414 fprintf(debugFP, "\n");
1416 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1418 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1419 safeStrCpy(q, p, strlen(p) + 2);
1420 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1421 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1422 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1423 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1426 fseek(tf, -(strlen(p)+4), SEEK_END);
1428 if(c != '"') // depending on DOS or Unix line endings we can be one off
1429 fseek(tf, -(strlen(p)+2), SEEK_END);
1430 else fseek(tf, -(strlen(p)+3), SEEK_END);
1431 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1432 DisplayMessage(buf, "");
1433 free(p); appData.results = q;
1434 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1435 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1436 int round = appData.defaultMatchGames * appData.tourneyType;
1437 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1438 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1439 UnloadEngine(&first); // next game belongs to other pairing;
1440 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1442 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1446 MatchEvent (int mode)
1447 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1449 if(matchMode) { // already in match mode: switch it off
1451 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1454 // if(gameMode != BeginningOfGame) {
1455 // DisplayError(_("You can only start a match from the initial position."), 0);
1459 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1460 /* Set up machine vs. machine match */
1462 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1463 if(appData.tourneyFile[0]) {
1465 if(nextGame > appData.matchGames) {
1467 if(strchr(appData.results, '*') == NULL) {
1469 appData.tourneyCycles++;
1470 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1472 NextTourneyGame(-1, &dummy);
1474 if(nextGame <= appData.matchGames) {
1475 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1477 ScheduleDelayedEvent(NextMatchGame, 10000);
1482 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1483 DisplayError(buf, 0);
1484 appData.tourneyFile[0] = 0;
1488 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1489 DisplayFatalError(_("Can't have a match with no chess programs"),
1494 matchGame = roundNr = 1;
1495 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1499 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1502 InitBackEnd3 P((void))
1504 GameMode initialMode;
1508 InitChessProgram(&first, startedFromSetupPosition);
1510 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1511 free(programVersion);
1512 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1513 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1514 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1517 if (appData.icsActive) {
1519 /* [DM] Make a console window if needed [HGM] merged ifs */
1525 if (*appData.icsCommPort != NULLCHAR)
1526 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1527 appData.icsCommPort);
1529 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1530 appData.icsHost, appData.icsPort);
1532 if( (len >= MSG_SIZ) && appData.debugMode )
1533 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1535 DisplayFatalError(buf, err, 1);
1540 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1542 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1543 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1544 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1545 } else if (appData.noChessProgram) {
1551 if (*appData.cmailGameName != NULLCHAR) {
1553 OpenLoopback(&cmailPR);
1555 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1559 DisplayMessage("", "");
1560 if (StrCaseCmp(appData.initialMode, "") == 0) {
1561 initialMode = BeginningOfGame;
1562 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1563 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1564 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1565 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1568 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1569 initialMode = TwoMachinesPlay;
1570 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1571 initialMode = AnalyzeFile;
1572 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1573 initialMode = AnalyzeMode;
1574 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1575 initialMode = MachinePlaysWhite;
1576 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1577 initialMode = MachinePlaysBlack;
1578 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1579 initialMode = EditGame;
1580 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1581 initialMode = EditPosition;
1582 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1583 initialMode = Training;
1585 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1586 if( (len >= MSG_SIZ) && appData.debugMode )
1587 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1589 DisplayFatalError(buf, 0, 2);
1593 if (appData.matchMode) {
1594 if(appData.tourneyFile[0]) { // start tourney from command line
1596 if(f = fopen(appData.tourneyFile, "r")) {
1597 ParseArgsFromFile(f); // make sure tourney parmeters re known
1599 appData.clockMode = TRUE;
1601 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1604 } else if (*appData.cmailGameName != NULLCHAR) {
1605 /* Set up cmail mode */
1606 ReloadCmailMsgEvent(TRUE);
1608 /* Set up other modes */
1609 if (initialMode == AnalyzeFile) {
1610 if (*appData.loadGameFile == NULLCHAR) {
1611 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1615 if (*appData.loadGameFile != NULLCHAR) {
1616 (void) LoadGameFromFile(appData.loadGameFile,
1617 appData.loadGameIndex,
1618 appData.loadGameFile, TRUE);
1619 } else if (*appData.loadPositionFile != NULLCHAR) {
1620 (void) LoadPositionFromFile(appData.loadPositionFile,
1621 appData.loadPositionIndex,
1622 appData.loadPositionFile);
1623 /* [HGM] try to make self-starting even after FEN load */
1624 /* to allow automatic setup of fairy variants with wtm */
1625 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1626 gameMode = BeginningOfGame;
1627 setboardSpoiledMachineBlack = 1;
1629 /* [HGM] loadPos: make that every new game uses the setup */
1630 /* from file as long as we do not switch variant */
1631 if(!blackPlaysFirst) {
1632 startedFromPositionFile = TRUE;
1633 CopyBoard(filePosition, boards[0]);
1636 if (initialMode == AnalyzeMode) {
1637 if (appData.noChessProgram) {
1638 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1641 if (appData.icsActive) {
1642 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1646 } else if (initialMode == AnalyzeFile) {
1647 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1648 ShowThinkingEvent();
1650 AnalysisPeriodicEvent(1);
1651 } else if (initialMode == MachinePlaysWhite) {
1652 if (appData.noChessProgram) {
1653 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1657 if (appData.icsActive) {
1658 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1662 MachineWhiteEvent();
1663 } else if (initialMode == MachinePlaysBlack) {
1664 if (appData.noChessProgram) {
1665 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1669 if (appData.icsActive) {
1670 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1674 MachineBlackEvent();
1675 } else if (initialMode == TwoMachinesPlay) {
1676 if (appData.noChessProgram) {
1677 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1681 if (appData.icsActive) {
1682 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1687 } else if (initialMode == EditGame) {
1689 } else if (initialMode == EditPosition) {
1690 EditPositionEvent();
1691 } else if (initialMode == Training) {
1692 if (*appData.loadGameFile == NULLCHAR) {
1693 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1702 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1704 DisplayBook(current+1);
1706 MoveHistorySet( movelist, first, last, current, pvInfoList );
1708 EvalGraphSet( first, last, current, pvInfoList );
1710 MakeEngineOutputTitle();
1714 * Establish will establish a contact to a remote host.port.
1715 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1716 * used to talk to the host.
1717 * Returns 0 if okay, error code if not.
1724 if (*appData.icsCommPort != NULLCHAR) {
1725 /* Talk to the host through a serial comm port */
1726 return OpenCommPort(appData.icsCommPort, &icsPR);
1728 } else if (*appData.gateway != NULLCHAR) {
1729 if (*appData.remoteShell == NULLCHAR) {
1730 /* Use the rcmd protocol to run telnet program on a gateway host */
1731 snprintf(buf, sizeof(buf), "%s %s %s",
1732 appData.telnetProgram, appData.icsHost, appData.icsPort);
1733 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1736 /* Use the rsh program to run telnet program on a gateway host */
1737 if (*appData.remoteUser == NULLCHAR) {
1738 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1739 appData.gateway, appData.telnetProgram,
1740 appData.icsHost, appData.icsPort);
1742 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1743 appData.remoteShell, appData.gateway,
1744 appData.remoteUser, appData.telnetProgram,
1745 appData.icsHost, appData.icsPort);
1747 return StartChildProcess(buf, "", &icsPR);
1750 } else if (appData.useTelnet) {
1751 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1754 /* TCP socket interface differs somewhat between
1755 Unix and NT; handle details in the front end.
1757 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1762 EscapeExpand (char *p, char *q)
1763 { // [HGM] initstring: routine to shape up string arguments
1764 while(*p++ = *q++) if(p[-1] == '\\')
1766 case 'n': p[-1] = '\n'; break;
1767 case 'r': p[-1] = '\r'; break;
1768 case 't': p[-1] = '\t'; break;
1769 case '\\': p[-1] = '\\'; break;
1770 case 0: *p = 0; return;
1771 default: p[-1] = q[-1]; break;
1776 show_bytes (FILE *fp, char *buf, int count)
1779 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1780 fprintf(fp, "\\%03o", *buf & 0xff);
1789 /* Returns an errno value */
1791 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1793 char buf[8192], *p, *q, *buflim;
1794 int left, newcount, outcount;
1796 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1797 *appData.gateway != NULLCHAR) {
1798 if (appData.debugMode) {
1799 fprintf(debugFP, ">ICS: ");
1800 show_bytes(debugFP, message, count);
1801 fprintf(debugFP, "\n");
1803 return OutputToProcess(pr, message, count, outError);
1806 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1813 if (appData.debugMode) {
1814 fprintf(debugFP, ">ICS: ");
1815 show_bytes(debugFP, buf, newcount);
1816 fprintf(debugFP, "\n");
1818 outcount = OutputToProcess(pr, buf, newcount, outError);
1819 if (outcount < newcount) return -1; /* to be sure */
1826 } else if (((unsigned char) *p) == TN_IAC) {
1827 *q++ = (char) TN_IAC;
1834 if (appData.debugMode) {
1835 fprintf(debugFP, ">ICS: ");
1836 show_bytes(debugFP, buf, newcount);
1837 fprintf(debugFP, "\n");
1839 outcount = OutputToProcess(pr, buf, newcount, outError);
1840 if (outcount < newcount) return -1; /* to be sure */
1845 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1847 int outError, outCount;
1848 static int gotEof = 0;
1851 /* Pass data read from player on to ICS */
1854 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1855 if (outCount < count) {
1856 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1858 if(have_sent_ICS_logon == 2) {
1859 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1860 fprintf(ini, "%s", message);
1861 have_sent_ICS_logon = 3;
1863 have_sent_ICS_logon = 1;
1864 } else if(have_sent_ICS_logon == 3) {
1865 fprintf(ini, "%s", message);
1867 have_sent_ICS_logon = 1;
1869 } else if (count < 0) {
1870 RemoveInputSource(isr);
1871 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1872 } else if (gotEof++ > 0) {
1873 RemoveInputSource(isr);
1874 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1880 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1881 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1882 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1883 SendToICS("date\n");
1884 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1887 /* added routine for printf style output to ics */
1889 ics_printf (char *format, ...)
1891 char buffer[MSG_SIZ];
1894 va_start(args, format);
1895 vsnprintf(buffer, sizeof(buffer), format, args);
1896 buffer[sizeof(buffer)-1] = '\0';
1904 int count, outCount, outError;
1906 if (icsPR == NoProc) return;
1909 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1910 if (outCount < count) {
1911 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1915 /* This is used for sending logon scripts to the ICS. Sending
1916 without a delay causes problems when using timestamp on ICC
1917 (at least on my machine). */
1919 SendToICSDelayed (char *s, long msdelay)
1921 int count, outCount, outError;
1923 if (icsPR == NoProc) return;
1926 if (appData.debugMode) {
1927 fprintf(debugFP, ">ICS: ");
1928 show_bytes(debugFP, s, count);
1929 fprintf(debugFP, "\n");
1931 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1933 if (outCount < count) {
1934 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1939 /* Remove all highlighting escape sequences in s
1940 Also deletes any suffix starting with '('
1943 StripHighlightAndTitle (char *s)
1945 static char retbuf[MSG_SIZ];
1948 while (*s != NULLCHAR) {
1949 while (*s == '\033') {
1950 while (*s != NULLCHAR && !isalpha(*s)) s++;
1951 if (*s != NULLCHAR) s++;
1953 while (*s != NULLCHAR && *s != '\033') {
1954 if (*s == '(' || *s == '[') {
1965 /* Remove all highlighting escape sequences in s */
1967 StripHighlight (char *s)
1969 static char retbuf[MSG_SIZ];
1972 while (*s != NULLCHAR) {
1973 while (*s == '\033') {
1974 while (*s != NULLCHAR && !isalpha(*s)) s++;
1975 if (*s != NULLCHAR) s++;
1977 while (*s != NULLCHAR && *s != '\033') {
1985 char *variantNames[] = VARIANT_NAMES;
1987 VariantName (VariantClass v)
1989 return variantNames[v];
1993 /* Identify a variant from the strings the chess servers use or the
1994 PGN Variant tag names we use. */
1996 StringToVariant (char *e)
2000 VariantClass v = VariantNormal;
2001 int i, found = FALSE;
2007 /* [HGM] skip over optional board-size prefixes */
2008 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2009 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2010 while( *e++ != '_');
2013 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2017 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2018 if (StrCaseStr(e, variantNames[i])) {
2019 v = (VariantClass) i;
2026 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2027 || StrCaseStr(e, "wild/fr")
2028 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2029 v = VariantFischeRandom;
2030 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2031 (i = 1, p = StrCaseStr(e, "w"))) {
2033 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2040 case 0: /* FICS only, actually */
2042 /* Castling legal even if K starts on d-file */
2043 v = VariantWildCastle;
2048 /* Castling illegal even if K & R happen to start in
2049 normal positions. */
2050 v = VariantNoCastle;
2063 /* Castling legal iff K & R start in normal positions */
2069 /* Special wilds for position setup; unclear what to do here */
2070 v = VariantLoadable;
2073 /* Bizarre ICC game */
2074 v = VariantTwoKings;
2077 v = VariantKriegspiel;
2083 v = VariantFischeRandom;
2086 v = VariantCrazyhouse;
2089 v = VariantBughouse;
2095 /* Not quite the same as FICS suicide! */
2096 v = VariantGiveaway;
2102 v = VariantShatranj;
2105 /* Temporary names for future ICC types. The name *will* change in
2106 the next xboard/WinBoard release after ICC defines it. */
2144 v = VariantCapablanca;
2147 v = VariantKnightmate;
2153 v = VariantCylinder;
2159 v = VariantCapaRandom;
2162 v = VariantBerolina;
2174 /* Found "wild" or "w" in the string but no number;
2175 must assume it's normal chess. */
2179 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2180 if( (len >= MSG_SIZ) && appData.debugMode )
2181 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2183 DisplayError(buf, 0);
2189 if (appData.debugMode) {
2190 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2191 e, wnum, VariantName(v));
2196 static int leftover_start = 0, leftover_len = 0;
2197 char star_match[STAR_MATCH_N][MSG_SIZ];
2199 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2200 advance *index beyond it, and set leftover_start to the new value of
2201 *index; else return FALSE. If pattern contains the character '*', it
2202 matches any sequence of characters not containing '\r', '\n', or the
2203 character following the '*' (if any), and the matched sequence(s) are
2204 copied into star_match.
2207 looking_at ( char *buf, int *index, char *pattern)
2209 char *bufp = &buf[*index], *patternp = pattern;
2211 char *matchp = star_match[0];
2214 if (*patternp == NULLCHAR) {
2215 *index = leftover_start = bufp - buf;
2219 if (*bufp == NULLCHAR) return FALSE;
2220 if (*patternp == '*') {
2221 if (*bufp == *(patternp + 1)) {
2223 matchp = star_match[++star_count];
2227 } else if (*bufp == '\n' || *bufp == '\r') {
2229 if (*patternp == NULLCHAR)
2234 *matchp++ = *bufp++;
2238 if (*patternp != *bufp) return FALSE;
2245 SendToPlayer (char *data, int length)
2247 int error, outCount;
2248 outCount = OutputToProcess(NoProc, data, length, &error);
2249 if (outCount < length) {
2250 DisplayFatalError(_("Error writing to display"), error, 1);
2255 PackHolding (char packed[], char *holding)
2265 switch (runlength) {
2276 sprintf(q, "%d", runlength);
2288 /* Telnet protocol requests from the front end */
2290 TelnetRequest (unsigned char ddww, unsigned char option)
2292 unsigned char msg[3];
2293 int outCount, outError;
2295 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2297 if (appData.debugMode) {
2298 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2314 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2323 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2326 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2331 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2333 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2340 if (!appData.icsActive) return;
2341 TelnetRequest(TN_DO, TN_ECHO);
2347 if (!appData.icsActive) return;
2348 TelnetRequest(TN_DONT, TN_ECHO);
2352 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2354 /* put the holdings sent to us by the server on the board holdings area */
2355 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2359 if(gameInfo.holdingsWidth < 2) return;
2360 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2361 return; // prevent overwriting by pre-board holdings
2363 if( (int)lowestPiece >= BlackPawn ) {
2366 holdingsStartRow = BOARD_HEIGHT-1;
2369 holdingsColumn = BOARD_WIDTH-1;
2370 countsColumn = BOARD_WIDTH-2;
2371 holdingsStartRow = 0;
2375 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2376 board[i][holdingsColumn] = EmptySquare;
2377 board[i][countsColumn] = (ChessSquare) 0;
2379 while( (p=*holdings++) != NULLCHAR ) {
2380 piece = CharToPiece( ToUpper(p) );
2381 if(piece == EmptySquare) continue;
2382 /*j = (int) piece - (int) WhitePawn;*/
2383 j = PieceToNumber(piece);
2384 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2385 if(j < 0) continue; /* should not happen */
2386 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2387 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2388 board[holdingsStartRow+j*direction][countsColumn]++;
2394 VariantSwitch (Board board, VariantClass newVariant)
2396 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2397 static Board oldBoard;
2399 startedFromPositionFile = FALSE;
2400 if(gameInfo.variant == newVariant) return;
2402 /* [HGM] This routine is called each time an assignment is made to
2403 * gameInfo.variant during a game, to make sure the board sizes
2404 * are set to match the new variant. If that means adding or deleting
2405 * holdings, we shift the playing board accordingly
2406 * This kludge is needed because in ICS observe mode, we get boards
2407 * of an ongoing game without knowing the variant, and learn about the
2408 * latter only later. This can be because of the move list we requested,
2409 * in which case the game history is refilled from the beginning anyway,
2410 * but also when receiving holdings of a crazyhouse game. In the latter
2411 * case we want to add those holdings to the already received position.
2415 if (appData.debugMode) {
2416 fprintf(debugFP, "Switch board from %s to %s\n",
2417 VariantName(gameInfo.variant), VariantName(newVariant));
2418 setbuf(debugFP, NULL);
2420 shuffleOpenings = 0; /* [HGM] shuffle */
2421 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2425 newWidth = 9; newHeight = 9;
2426 gameInfo.holdingsSize = 7;
2427 case VariantBughouse:
2428 case VariantCrazyhouse:
2429 newHoldingsWidth = 2; break;
2433 newHoldingsWidth = 2;
2434 gameInfo.holdingsSize = 8;
2437 case VariantCapablanca:
2438 case VariantCapaRandom:
2441 newHoldingsWidth = gameInfo.holdingsSize = 0;
2444 if(newWidth != gameInfo.boardWidth ||
2445 newHeight != gameInfo.boardHeight ||
2446 newHoldingsWidth != gameInfo.holdingsWidth ) {
2448 /* shift position to new playing area, if needed */
2449 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2450 for(i=0; i<BOARD_HEIGHT; i++)
2451 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2452 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2454 for(i=0; i<newHeight; i++) {
2455 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2456 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2458 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2459 for(i=0; i<BOARD_HEIGHT; i++)
2460 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2461 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2464 board[HOLDINGS_SET] = 0;
2465 gameInfo.boardWidth = newWidth;
2466 gameInfo.boardHeight = newHeight;
2467 gameInfo.holdingsWidth = newHoldingsWidth;
2468 gameInfo.variant = newVariant;
2469 InitDrawingSizes(-2, 0);
2470 } else gameInfo.variant = newVariant;
2471 CopyBoard(oldBoard, board); // remember correctly formatted board
2472 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2473 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2476 static int loggedOn = FALSE;
2478 /*-- Game start info cache: --*/
2480 char gs_kind[MSG_SIZ];
2481 static char player1Name[128] = "";
2482 static char player2Name[128] = "";
2483 static char cont_seq[] = "\n\\ ";
2484 static int player1Rating = -1;
2485 static int player2Rating = -1;
2486 /*----------------------------*/
2488 ColorClass curColor = ColorNormal;
2489 int suppressKibitz = 0;
2492 Boolean soughtPending = FALSE;
2493 Boolean seekGraphUp;
2494 #define MAX_SEEK_ADS 200
2496 char *seekAdList[MAX_SEEK_ADS];
2497 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2498 float tcList[MAX_SEEK_ADS];
2499 char colorList[MAX_SEEK_ADS];
2500 int nrOfSeekAds = 0;
2501 int minRating = 1010, maxRating = 2800;
2502 int hMargin = 10, vMargin = 20, h, w;
2503 extern int squareSize, lineGap;
2508 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2509 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2510 if(r < minRating+100 && r >=0 ) r = minRating+100;
2511 if(r > maxRating) r = maxRating;
2512 if(tc < 1.f) tc = 1.f;
2513 if(tc > 95.f) tc = 95.f;
2514 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2515 y = ((double)r - minRating)/(maxRating - minRating)
2516 * (h-vMargin-squareSize/8-1) + vMargin;
2517 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2518 if(strstr(seekAdList[i], " u ")) color = 1;
2519 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2520 !strstr(seekAdList[i], "bullet") &&
2521 !strstr(seekAdList[i], "blitz") &&
2522 !strstr(seekAdList[i], "standard") ) color = 2;
2523 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2524 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2528 PlotSingleSeekAd (int i)
2534 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2536 char buf[MSG_SIZ], *ext = "";
2537 VariantClass v = StringToVariant(type);
2538 if(strstr(type, "wild")) {
2539 ext = type + 4; // append wild number
2540 if(v == VariantFischeRandom) type = "chess960"; else
2541 if(v == VariantLoadable) type = "setup"; else
2542 type = VariantName(v);
2544 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2545 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2546 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2547 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2548 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2549 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2550 seekNrList[nrOfSeekAds] = nr;
2551 zList[nrOfSeekAds] = 0;
2552 seekAdList[nrOfSeekAds++] = StrSave(buf);
2553 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2558 EraseSeekDot (int i)
2560 int x = xList[i], y = yList[i], d=squareSize/4, k;
2561 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2562 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2563 // now replot every dot that overlapped
2564 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2565 int xx = xList[k], yy = yList[k];
2566 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2567 DrawSeekDot(xx, yy, colorList[k]);
2572 RemoveSeekAd (int nr)
2575 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2577 if(seekAdList[i]) free(seekAdList[i]);
2578 seekAdList[i] = seekAdList[--nrOfSeekAds];
2579 seekNrList[i] = seekNrList[nrOfSeekAds];
2580 ratingList[i] = ratingList[nrOfSeekAds];
2581 colorList[i] = colorList[nrOfSeekAds];
2582 tcList[i] = tcList[nrOfSeekAds];
2583 xList[i] = xList[nrOfSeekAds];
2584 yList[i] = yList[nrOfSeekAds];
2585 zList[i] = zList[nrOfSeekAds];
2586 seekAdList[nrOfSeekAds] = NULL;
2592 MatchSoughtLine (char *line)
2594 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2595 int nr, base, inc, u=0; char dummy;
2597 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2598 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2600 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2601 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2602 // match: compact and save the line
2603 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2613 if(!seekGraphUp) return FALSE;
2614 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2615 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2617 DrawSeekBackground(0, 0, w, h);
2618 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2619 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2620 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2621 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2623 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2626 snprintf(buf, MSG_SIZ, "%d", i);
2627 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2630 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2631 for(i=1; i<100; i+=(i<10?1:5)) {
2632 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2633 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2634 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2636 snprintf(buf, MSG_SIZ, "%d", i);
2637 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2640 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2645 SeekGraphClick (ClickType click, int x, int y, int moving)
2647 static int lastDown = 0, displayed = 0, lastSecond;
2648 if(y < 0) return FALSE;
2649 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2650 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2651 if(!seekGraphUp) return FALSE;
2652 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2653 DrawPosition(TRUE, NULL);
2656 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2657 if(click == Release || moving) return FALSE;
2659 soughtPending = TRUE;
2660 SendToICS(ics_prefix);
2661 SendToICS("sought\n"); // should this be "sought all"?
2662 } else { // issue challenge based on clicked ad
2663 int dist = 10000; int i, closest = 0, second = 0;
2664 for(i=0; i<nrOfSeekAds; i++) {
2665 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2666 if(d < dist) { dist = d; closest = i; }
2667 second += (d - zList[i] < 120); // count in-range ads
2668 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2672 second = (second > 1);
2673 if(displayed != closest || second != lastSecond) {
2674 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2675 lastSecond = second; displayed = closest;
2677 if(click == Press) {
2678 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2681 } // on press 'hit', only show info
2682 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2683 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2684 SendToICS(ics_prefix);
2686 return TRUE; // let incoming board of started game pop down the graph
2687 } else if(click == Release) { // release 'miss' is ignored
2688 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2689 if(moving == 2) { // right up-click
2690 nrOfSeekAds = 0; // refresh graph
2691 soughtPending = TRUE;
2692 SendToICS(ics_prefix);
2693 SendToICS("sought\n"); // should this be "sought all"?
2696 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2697 // press miss or release hit 'pop down' seek graph
2698 seekGraphUp = FALSE;
2699 DrawPosition(TRUE, NULL);
2705 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2707 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2708 #define STARTED_NONE 0
2709 #define STARTED_MOVES 1
2710 #define STARTED_BOARD 2
2711 #define STARTED_OBSERVE 3
2712 #define STARTED_HOLDINGS 4
2713 #define STARTED_CHATTER 5
2714 #define STARTED_COMMENT 6
2715 #define STARTED_MOVES_NOHIDE 7
2717 static int started = STARTED_NONE;
2718 static char parse[20000];
2719 static int parse_pos = 0;
2720 static char buf[BUF_SIZE + 1];
2721 static int firstTime = TRUE, intfSet = FALSE;
2722 static ColorClass prevColor = ColorNormal;
2723 static int savingComment = FALSE;
2724 static int cmatch = 0; // continuation sequence match
2731 int backup; /* [DM] For zippy color lines */
2733 char talker[MSG_SIZ]; // [HGM] chat
2736 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2738 if (appData.debugMode) {
2740 fprintf(debugFP, "<ICS: ");
2741 show_bytes(debugFP, data, count);
2742 fprintf(debugFP, "\n");
2746 if (appData.debugMode) { int f = forwardMostMove;
2747 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2748 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2749 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2752 /* If last read ended with a partial line that we couldn't parse,
2753 prepend it to the new read and try again. */
2754 if (leftover_len > 0) {
2755 for (i=0; i<leftover_len; i++)
2756 buf[i] = buf[leftover_start + i];
2759 /* copy new characters into the buffer */
2760 bp = buf + leftover_len;
2761 buf_len=leftover_len;
2762 for (i=0; i<count; i++)
2765 if (data[i] == '\r')
2768 // join lines split by ICS?
2769 if (!appData.noJoin)
2772 Joining just consists of finding matches against the
2773 continuation sequence, and discarding that sequence
2774 if found instead of copying it. So, until a match
2775 fails, there's nothing to do since it might be the
2776 complete sequence, and thus, something we don't want
2779 if (data[i] == cont_seq[cmatch])
2782 if (cmatch == strlen(cont_seq))
2784 cmatch = 0; // complete match. just reset the counter
2787 it's possible for the ICS to not include the space
2788 at the end of the last word, making our [correct]
2789 join operation fuse two separate words. the server
2790 does this when the space occurs at the width setting.
2792 if (!buf_len || buf[buf_len-1] != ' ')
2803 match failed, so we have to copy what matched before
2804 falling through and copying this character. In reality,
2805 this will only ever be just the newline character, but
2806 it doesn't hurt to be precise.
2808 strncpy(bp, cont_seq, cmatch);
2820 buf[buf_len] = NULLCHAR;
2821 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2826 while (i < buf_len) {
2827 /* Deal with part of the TELNET option negotiation
2828 protocol. We refuse to do anything beyond the
2829 defaults, except that we allow the WILL ECHO option,
2830 which ICS uses to turn off password echoing when we are
2831 directly connected to it. We reject this option
2832 if localLineEditing mode is on (always on in xboard)
2833 and we are talking to port 23, which might be a real
2834 telnet server that will try to keep WILL ECHO on permanently.
2836 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2837 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2838 unsigned char option;
2840 switch ((unsigned char) buf[++i]) {
2842 if (appData.debugMode)
2843 fprintf(debugFP, "\n<WILL ");
2844 switch (option = (unsigned char) buf[++i]) {
2846 if (appData.debugMode)
2847 fprintf(debugFP, "ECHO ");
2848 /* Reply only if this is a change, according
2849 to the protocol rules. */
2850 if (remoteEchoOption) break;
2851 if (appData.localLineEditing &&
2852 atoi(appData.icsPort) == TN_PORT) {
2853 TelnetRequest(TN_DONT, TN_ECHO);
2856 TelnetRequest(TN_DO, TN_ECHO);
2857 remoteEchoOption = TRUE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", option);
2863 /* Whatever this is, we don't want it. */
2864 TelnetRequest(TN_DONT, option);
2869 if (appData.debugMode)
2870 fprintf(debugFP, "\n<WONT ");
2871 switch (option = (unsigned char) buf[++i]) {
2873 if (appData.debugMode)
2874 fprintf(debugFP, "ECHO ");
2875 /* Reply only if this is a change, according
2876 to the protocol rules. */
2877 if (!remoteEchoOption) break;
2879 TelnetRequest(TN_DONT, TN_ECHO);
2880 remoteEchoOption = FALSE;
2883 if (appData.debugMode)
2884 fprintf(debugFP, "%d ", (unsigned char) option);
2885 /* Whatever this is, it must already be turned
2886 off, because we never agree to turn on
2887 anything non-default, so according to the
2888 protocol rules, we don't reply. */
2893 if (appData.debugMode)
2894 fprintf(debugFP, "\n<DO ");
2895 switch (option = (unsigned char) buf[++i]) {
2897 /* Whatever this is, we refuse to do it. */
2898 if (appData.debugMode)
2899 fprintf(debugFP, "%d ", option);
2900 TelnetRequest(TN_WONT, option);
2905 if (appData.debugMode)
2906 fprintf(debugFP, "\n<DONT ");
2907 switch (option = (unsigned char) buf[++i]) {
2909 if (appData.debugMode)
2910 fprintf(debugFP, "%d ", option);
2911 /* Whatever this is, we are already not doing
2912 it, because we never agree to do anything
2913 non-default, so according to the protocol
2914 rules, we don't reply. */
2919 if (appData.debugMode)
2920 fprintf(debugFP, "\n<IAC ");
2921 /* Doubled IAC; pass it through */
2925 if (appData.debugMode)
2926 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2927 /* Drop all other telnet commands on the floor */
2930 if (oldi > next_out)
2931 SendToPlayer(&buf[next_out], oldi - next_out);
2937 /* OK, this at least will *usually* work */
2938 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2942 if (loggedOn && !intfSet) {
2943 if (ics_type == ICS_ICC) {
2944 snprintf(str, MSG_SIZ,
2945 "/set-quietly interface %s\n/set-quietly style 12\n",
2947 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2948 strcat(str, "/set-2 51 1\n/set seek 1\n");
2949 } else if (ics_type == ICS_CHESSNET) {
2950 snprintf(str, MSG_SIZ, "/style 12\n");
2952 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2953 strcat(str, programVersion);
2954 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2955 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2956 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2958 strcat(str, "$iset nohighlight 1\n");
2960 strcat(str, "$iset lock 1\n$style 12\n");
2963 NotifyFrontendLogin();
2967 if (started == STARTED_COMMENT) {
2968 /* Accumulate characters in comment */
2969 parse[parse_pos++] = buf[i];
2970 if (buf[i] == '\n') {
2971 parse[parse_pos] = NULLCHAR;
2972 if(chattingPartner>=0) {
2974 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2975 OutputChatMessage(chattingPartner, mess);
2976 chattingPartner = -1;
2977 next_out = i+1; // [HGM] suppress printing in ICS window
2979 if(!suppressKibitz) // [HGM] kibitz
2980 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2981 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2982 int nrDigit = 0, nrAlph = 0, j;
2983 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2984 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2985 parse[parse_pos] = NULLCHAR;
2986 // try to be smart: if it does not look like search info, it should go to
2987 // ICS interaction window after all, not to engine-output window.
2988 for(j=0; j<parse_pos; j++) { // count letters and digits
2989 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2990 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2991 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2993 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2994 int depth=0; float score;
2995 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2996 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2997 pvInfoList[forwardMostMove-1].depth = depth;
2998 pvInfoList[forwardMostMove-1].score = 100*score;
3000 OutputKibitz(suppressKibitz, parse);
3003 if(gameMode == IcsObserving) // restore original ICS messages
3004 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3006 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3007 SendToPlayer(tmp, strlen(tmp));
3009 next_out = i+1; // [HGM] suppress printing in ICS window
3011 started = STARTED_NONE;
3013 /* Don't match patterns against characters in comment */
3018 if (started == STARTED_CHATTER) {
3019 if (buf[i] != '\n') {
3020 /* Don't match patterns against characters in chatter */
3024 started = STARTED_NONE;
3025 if(suppressKibitz) next_out = i+1;
3028 /* Kludge to deal with rcmd protocol */
3029 if (firstTime && looking_at(buf, &i, "\001*")) {
3030 DisplayFatalError(&buf[1], 0, 1);
3036 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3039 if (appData.debugMode)
3040 fprintf(debugFP, "ics_type %d\n", ics_type);
3043 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3044 ics_type = ICS_FICS;
3046 if (appData.debugMode)
3047 fprintf(debugFP, "ics_type %d\n", ics_type);
3050 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3051 ics_type = ICS_CHESSNET;
3053 if (appData.debugMode)
3054 fprintf(debugFP, "ics_type %d\n", ics_type);
3059 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3060 looking_at(buf, &i, "Logging you in as \"*\"") ||
3061 looking_at(buf, &i, "will be \"*\""))) {
3062 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3066 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3068 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3069 DisplayIcsInteractionTitle(buf);
3070 have_set_title = TRUE;
3073 /* skip finger notes */
3074 if (started == STARTED_NONE &&
3075 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3076 (buf[i] == '1' && buf[i+1] == '0')) &&
3077 buf[i+2] == ':' && buf[i+3] == ' ') {
3078 started = STARTED_CHATTER;
3084 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3085 if(appData.seekGraph) {
3086 if(soughtPending && MatchSoughtLine(buf+i)) {
3087 i = strstr(buf+i, "rated") - buf;
3088 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 next_out = leftover_start = i;
3090 started = STARTED_CHATTER;
3091 suppressKibitz = TRUE;
3094 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3095 && looking_at(buf, &i, "* ads displayed")) {
3096 soughtPending = FALSE;
3101 if(appData.autoRefresh) {
3102 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3103 int s = (ics_type == ICS_ICC); // ICC format differs
3105 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3106 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3107 looking_at(buf, &i, "*% "); // eat prompt
3108 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3109 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3110 next_out = i; // suppress
3113 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3114 char *p = star_match[0];
3116 if(seekGraphUp) RemoveSeekAd(atoi(p));
3117 while(*p && *p++ != ' '); // next
3119 looking_at(buf, &i, "*% "); // eat prompt
3120 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3127 /* skip formula vars */
3128 if (started == STARTED_NONE &&
3129 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3130 started = STARTED_CHATTER;
3135 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3136 if (appData.autoKibitz && started == STARTED_NONE &&
3137 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3138 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3139 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3140 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3141 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3142 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3143 suppressKibitz = TRUE;
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3146 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3147 && (gameMode == IcsPlayingWhite)) ||
3148 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3149 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3150 started = STARTED_CHATTER; // own kibitz we simply discard
3152 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3153 parse_pos = 0; parse[0] = NULLCHAR;
3154 savingComment = TRUE;
3155 suppressKibitz = gameMode != IcsObserving ? 2 :
3156 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3160 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3161 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3162 && atoi(star_match[0])) {
3163 // suppress the acknowledgements of our own autoKibitz
3165 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3166 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3167 SendToPlayer(star_match[0], strlen(star_match[0]));
3168 if(looking_at(buf, &i, "*% ")) // eat prompt
3169 suppressKibitz = FALSE;
3173 } // [HGM] kibitz: end of patch
3175 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3177 // [HGM] chat: intercept tells by users for which we have an open chat window
3179 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3180 looking_at(buf, &i, "* whispers:") ||
3181 looking_at(buf, &i, "* kibitzes:") ||
3182 looking_at(buf, &i, "* shouts:") ||
3183 looking_at(buf, &i, "* c-shouts:") ||
3184 looking_at(buf, &i, "--> * ") ||
3185 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3186 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3187 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3188 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3190 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3191 chattingPartner = -1;
3193 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3194 for(p=0; p<MAX_CHAT; p++) {
3195 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3196 talker[0] = '['; strcat(talker, "] ");
3197 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3198 chattingPartner = p; break;
3201 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("kibitzes", chatPartner[p])) {
3204 talker[0] = '['; strcat(talker, "] ");
3205 chattingPartner = p; break;
3208 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3209 for(p=0; p<MAX_CHAT; p++) {
3210 if(!strcmp("whispers", chatPartner[p])) {
3211 talker[0] = '['; strcat(talker, "] ");
3212 chattingPartner = p; break;
3215 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3216 if(buf[i-8] == '-' && buf[i-3] == 't')
3217 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3218 if(!strcmp("c-shouts", chatPartner[p])) {
3219 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3220 chattingPartner = p; break;
3223 if(chattingPartner < 0)
3224 for(p=0; p<MAX_CHAT; p++) {
3225 if(!strcmp("shouts", chatPartner[p])) {
3226 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3227 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3228 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3229 chattingPartner = p; break;
3233 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3234 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3235 talker[0] = 0; Colorize(ColorTell, FALSE);
3236 chattingPartner = p; break;
3238 if(chattingPartner<0) i = oldi; else {
3239 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3240 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3241 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3242 started = STARTED_COMMENT;
3243 parse_pos = 0; parse[0] = NULLCHAR;
3244 savingComment = 3 + chattingPartner; // counts as TRUE
3245 suppressKibitz = TRUE;
3248 } // [HGM] chat: end of patch
3251 if (appData.zippyTalk || appData.zippyPlay) {
3252 /* [DM] Backup address for color zippy lines */
3254 if (loggedOn == TRUE)
3255 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3256 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3258 } // [DM] 'else { ' deleted
3260 /* Regular tells and says */
3261 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3262 looking_at(buf, &i, "* (your partner) tells you: ") ||
3263 looking_at(buf, &i, "* says: ") ||
3264 /* Don't color "message" or "messages" output */
3265 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3266 looking_at(buf, &i, "*. * at *:*: ") ||
3267 looking_at(buf, &i, "--* (*:*): ") ||
3268 /* Message notifications (same color as tells) */
3269 looking_at(buf, &i, "* has left a message ") ||
3270 looking_at(buf, &i, "* just sent you a message:\n") ||
3271 /* Whispers and kibitzes */
3272 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3273 looking_at(buf, &i, "* kibitzes: ") ||
3275 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3277 if (tkind == 1 && strchr(star_match[0], ':')) {
3278 /* Avoid "tells you:" spoofs in channels */
3281 if (star_match[0][0] == NULLCHAR ||
3282 strchr(star_match[0], ' ') ||
3283 (tkind == 3 && strchr(star_match[1], ' '))) {
3284 /* Reject bogus matches */
3287 if (appData.colorize) {
3288 if (oldi > next_out) {
3289 SendToPlayer(&buf[next_out], oldi - next_out);
3294 Colorize(ColorTell, FALSE);
3295 curColor = ColorTell;
3298 Colorize(ColorKibitz, FALSE);
3299 curColor = ColorKibitz;
3302 p = strrchr(star_match[1], '(');
3309 Colorize(ColorChannel1, FALSE);
3310 curColor = ColorChannel1;
3312 Colorize(ColorChannel, FALSE);
3313 curColor = ColorChannel;
3317 curColor = ColorNormal;
3321 if (started == STARTED_NONE && appData.autoComment &&
3322 (gameMode == IcsObserving ||
3323 gameMode == IcsPlayingWhite ||
3324 gameMode == IcsPlayingBlack)) {
3325 parse_pos = i - oldi;
3326 memcpy(parse, &buf[oldi], parse_pos);
3327 parse[parse_pos] = NULLCHAR;
3328 started = STARTED_COMMENT;
3329 savingComment = TRUE;
3331 started = STARTED_CHATTER;
3332 savingComment = FALSE;
3339 if (looking_at(buf, &i, "* s-shouts: ") ||
3340 looking_at(buf, &i, "* c-shouts: ")) {
3341 if (appData.colorize) {
3342 if (oldi > next_out) {
3343 SendToPlayer(&buf[next_out], oldi - next_out);
3346 Colorize(ColorSShout, FALSE);
3347 curColor = ColorSShout;
3350 started = STARTED_CHATTER;
3354 if (looking_at(buf, &i, "--->")) {
3359 if (looking_at(buf, &i, "* shouts: ") ||
3360 looking_at(buf, &i, "--> ")) {
3361 if (appData.colorize) {
3362 if (oldi > next_out) {
3363 SendToPlayer(&buf[next_out], oldi - next_out);
3366 Colorize(ColorShout, FALSE);
3367 curColor = ColorShout;
3370 started = STARTED_CHATTER;
3374 if (looking_at( buf, &i, "Challenge:")) {
3375 if (appData.colorize) {
3376 if (oldi > next_out) {
3377 SendToPlayer(&buf[next_out], oldi - next_out);
3380 Colorize(ColorChallenge, FALSE);
3381 curColor = ColorChallenge;
3387 if (looking_at(buf, &i, "* offers you") ||
3388 looking_at(buf, &i, "* offers to be") ||
3389 looking_at(buf, &i, "* would like to") ||
3390 looking_at(buf, &i, "* requests to") ||
3391 looking_at(buf, &i, "Your opponent offers") ||
3392 looking_at(buf, &i, "Your opponent requests")) {
3394 if (appData.colorize) {
3395 if (oldi > next_out) {
3396 SendToPlayer(&buf[next_out], oldi - next_out);
3399 Colorize(ColorRequest, FALSE);
3400 curColor = ColorRequest;
3405 if (looking_at(buf, &i, "* (*) seeking")) {
3406 if (appData.colorize) {
3407 if (oldi > next_out) {
3408 SendToPlayer(&buf[next_out], oldi - next_out);
3411 Colorize(ColorSeek, FALSE);
3412 curColor = ColorSeek;
3417 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3419 if (looking_at(buf, &i, "\\ ")) {
3420 if (prevColor != ColorNormal) {
3421 if (oldi > next_out) {
3422 SendToPlayer(&buf[next_out], oldi - next_out);
3425 Colorize(prevColor, TRUE);
3426 curColor = prevColor;
3428 if (savingComment) {
3429 parse_pos = i - oldi;
3430 memcpy(parse, &buf[oldi], parse_pos);
3431 parse[parse_pos] = NULLCHAR;
3432 started = STARTED_COMMENT;
3433 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3434 chattingPartner = savingComment - 3; // kludge to remember the box
3436 started = STARTED_CHATTER;
3441 if (looking_at(buf, &i, "Black Strength :") ||
3442 looking_at(buf, &i, "<<< style 10 board >>>") ||
3443 looking_at(buf, &i, "<10>") ||
3444 looking_at(buf, &i, "#@#")) {
3445 /* Wrong board style */
3447 SendToICS(ics_prefix);
3448 SendToICS("set style 12\n");
3449 SendToICS(ics_prefix);
3450 SendToICS("refresh\n");
3454 if (looking_at(buf, &i, "login:")) {
3455 if (!have_sent_ICS_logon) {
3457 have_sent_ICS_logon = 1;
3458 else // no init script was found
3459 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3460 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3461 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3466 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3467 (looking_at(buf, &i, "\n<12> ") ||
3468 looking_at(buf, &i, "<12> "))) {
3470 if (oldi > next_out) {
3471 SendToPlayer(&buf[next_out], oldi - next_out);
3474 started = STARTED_BOARD;
3479 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3480 looking_at(buf, &i, "<b1> ")) {
3481 if (oldi > next_out) {
3482 SendToPlayer(&buf[next_out], oldi - next_out);
3485 started = STARTED_HOLDINGS;
3490 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3492 /* Header for a move list -- first line */
3494 switch (ics_getting_history) {
3498 case BeginningOfGame:
3499 /* User typed "moves" or "oldmoves" while we
3500 were idle. Pretend we asked for these
3501 moves and soak them up so user can step
3502 through them and/or save them.
3505 gameMode = IcsObserving;
3508 ics_getting_history = H_GOT_UNREQ_HEADER;
3510 case EditGame: /*?*/
3511 case EditPosition: /*?*/
3512 /* Should above feature work in these modes too? */
3513 /* For now it doesn't */
3514 ics_getting_history = H_GOT_UNWANTED_HEADER;
3517 ics_getting_history = H_GOT_UNWANTED_HEADER;
3522 /* Is this the right one? */
3523 if (gameInfo.white && gameInfo.black &&
3524 strcmp(gameInfo.white, star_match[0]) == 0 &&
3525 strcmp(gameInfo.black, star_match[2]) == 0) {
3527 ics_getting_history = H_GOT_REQ_HEADER;
3530 case H_GOT_REQ_HEADER:
3531 case H_GOT_UNREQ_HEADER:
3532 case H_GOT_UNWANTED_HEADER:
3533 case H_GETTING_MOVES:
3534 /* Should not happen */
3535 DisplayError(_("Error gathering move list: two headers"), 0);
3536 ics_getting_history = H_FALSE;
3540 /* Save player ratings into gameInfo if needed */
3541 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3542 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3543 (gameInfo.whiteRating == -1 ||
3544 gameInfo.blackRating == -1)) {
3546 gameInfo.whiteRating = string_to_rating(star_match[1]);
3547 gameInfo.blackRating = string_to_rating(star_match[3]);
3548 if (appData.debugMode)
3549 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3550 gameInfo.whiteRating, gameInfo.blackRating);
3555 if (looking_at(buf, &i,
3556 "* * match, initial time: * minute*, increment: * second")) {
3557 /* Header for a move list -- second line */
3558 /* Initial board will follow if this is a wild game */
3559 if (gameInfo.event != NULL) free(gameInfo.event);
3560 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3561 gameInfo.event = StrSave(str);
3562 /* [HGM] we switched variant. Translate boards if needed. */
3563 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3567 if (looking_at(buf, &i, "Move ")) {
3568 /* Beginning of a move list */
3569 switch (ics_getting_history) {
3571 /* Normally should not happen */
3572 /* Maybe user hit reset while we were parsing */
3575 /* Happens if we are ignoring a move list that is not
3576 * the one we just requested. Common if the user
3577 * tries to observe two games without turning off
3580 case H_GETTING_MOVES:
3581 /* Should not happen */
3582 DisplayError(_("Error gathering move list: nested"), 0);
3583 ics_getting_history = H_FALSE;
3585 case H_GOT_REQ_HEADER:
3586 ics_getting_history = H_GETTING_MOVES;
3587 started = STARTED_MOVES;
3589 if (oldi > next_out) {
3590 SendToPlayer(&buf[next_out], oldi - next_out);
3593 case H_GOT_UNREQ_HEADER:
3594 ics_getting_history = H_GETTING_MOVES;
3595 started = STARTED_MOVES_NOHIDE;
3598 case H_GOT_UNWANTED_HEADER:
3599 ics_getting_history = H_FALSE;
3605 if (looking_at(buf, &i, "% ") ||
3606 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3607 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3608 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3609 soughtPending = FALSE;
3613 if(suppressKibitz) next_out = i;
3614 savingComment = FALSE;
3618 case STARTED_MOVES_NOHIDE:
3619 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3620 parse[parse_pos + i - oldi] = NULLCHAR;
3621 ParseGameHistory(parse);
3623 if (appData.zippyPlay && first.initDone) {
3624 FeedMovesToProgram(&first, forwardMostMove);
3625 if (gameMode == IcsPlayingWhite) {
3626 if (WhiteOnMove(forwardMostMove)) {
3627 if (first.sendTime) {
3628 if (first.useColors) {
3629 SendToProgram("black\n", &first);
3631 SendTimeRemaining(&first, TRUE);
3633 if (first.useColors) {
3634 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3636 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3637 first.maybeThinking = TRUE;
3639 if (first.usePlayother) {
3640 if (first.sendTime) {
3641 SendTimeRemaining(&first, TRUE);
3643 SendToProgram("playother\n", &first);
3649 } else if (gameMode == IcsPlayingBlack) {
3650 if (!WhiteOnMove(forwardMostMove)) {
3651 if (first.sendTime) {
3652 if (first.useColors) {
3653 SendToProgram("white\n", &first);
3655 SendTimeRemaining(&first, FALSE);
3657 if (first.useColors) {
3658 SendToProgram("black\n", &first);
3660 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3661 first.maybeThinking = TRUE;
3663 if (first.usePlayother) {
3664 if (first.sendTime) {
3665 SendTimeRemaining(&first, FALSE);
3667 SendToProgram("playother\n", &first);
3676 if (gameMode == IcsObserving && ics_gamenum == -1) {
3677 /* Moves came from oldmoves or moves command
3678 while we weren't doing anything else.
3680 currentMove = forwardMostMove;
3681 ClearHighlights();/*!!could figure this out*/
3682 flipView = appData.flipView;
3683 DrawPosition(TRUE, boards[currentMove]);
3684 DisplayBothClocks();
3685 snprintf(str, MSG_SIZ, "%s %s %s",
3686 gameInfo.white, _("vs."), gameInfo.black);
3690 /* Moves were history of an active game */
3691 if (gameInfo.resultDetails != NULL) {
3692 free(gameInfo.resultDetails);
3693 gameInfo.resultDetails = NULL;
3696 HistorySet(parseList, backwardMostMove,
3697 forwardMostMove, currentMove-1);
3698 DisplayMove(currentMove - 1);
3699 if (started == STARTED_MOVES) next_out = i;
3700 started = STARTED_NONE;
3701 ics_getting_history = H_FALSE;
3704 case STARTED_OBSERVE:
3705 started = STARTED_NONE;
3706 SendToICS(ics_prefix);
3707 SendToICS("refresh\n");
3713 if(bookHit) { // [HGM] book: simulate book reply
3714 static char bookMove[MSG_SIZ]; // a bit generous?
3716 programStats.nodes = programStats.depth = programStats.time =
3717 programStats.score = programStats.got_only_move = 0;
3718 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3720 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3721 strcat(bookMove, bookHit);
3722 HandleMachineMove(bookMove, &first);
3727 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3728 started == STARTED_HOLDINGS ||
3729 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3730 /* Accumulate characters in move list or board */
3731 parse[parse_pos++] = buf[i];
3734 /* Start of game messages. Mostly we detect start of game
3735 when the first board image arrives. On some versions
3736 of the ICS, though, we need to do a "refresh" after starting
3737 to observe in order to get the current board right away. */
3738 if (looking_at(buf, &i, "Adding game * to observation list")) {
3739 started = STARTED_OBSERVE;
3743 /* Handle auto-observe */
3744 if (appData.autoObserve &&
3745 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3746 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3748 /* Choose the player that was highlighted, if any. */
3749 if (star_match[0][0] == '\033' ||
3750 star_match[1][0] != '\033') {
3751 player = star_match[0];
3753 player = star_match[2];
3755 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3756 ics_prefix, StripHighlightAndTitle(player));
3759 /* Save ratings from notify string */
3760 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3761 player1Rating = string_to_rating(star_match[1]);
3762 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3763 player2Rating = string_to_rating(star_match[3]);
3765 if (appData.debugMode)
3767 "Ratings from 'Game notification:' %s %d, %s %d\n",
3768 player1Name, player1Rating,
3769 player2Name, player2Rating);
3774 /* Deal with automatic examine mode after a game,
3775 and with IcsObserving -> IcsExamining transition */
3776 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3777 looking_at(buf, &i, "has made you an examiner of game *")) {
3779 int gamenum = atoi(star_match[0]);
3780 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3781 gamenum == ics_gamenum) {
3782 /* We were already playing or observing this game;
3783 no need to refetch history */
3784 gameMode = IcsExamining;
3786 pauseExamForwardMostMove = forwardMostMove;
3787 } else if (currentMove < forwardMostMove) {
3788 ForwardInner(forwardMostMove);
3791 /* I don't think this case really can happen */
3792 SendToICS(ics_prefix);
3793 SendToICS("refresh\n");
3798 /* Error messages */
3799 // if (ics_user_moved) {
3800 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3801 if (looking_at(buf, &i, "Illegal move") ||
3802 looking_at(buf, &i, "Not a legal move") ||
3803 looking_at(buf, &i, "Your king is in check") ||
3804 looking_at(buf, &i, "It isn't your turn") ||
3805 looking_at(buf, &i, "It is not your move")) {
3807 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3808 currentMove = forwardMostMove-1;
3809 DisplayMove(currentMove - 1); /* before DMError */
3810 DrawPosition(FALSE, boards[currentMove]);
3811 SwitchClocks(forwardMostMove-1); // [HGM] race
3812 DisplayBothClocks();
3814 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3820 if (looking_at(buf, &i, "still have time") ||
3821 looking_at(buf, &i, "not out of time") ||
3822 looking_at(buf, &i, "either player is out of time") ||
3823 looking_at(buf, &i, "has timeseal; checking")) {
3824 /* We must have called his flag a little too soon */
3825 whiteFlag = blackFlag = FALSE;
3829 if (looking_at(buf, &i, "added * seconds to") ||
3830 looking_at(buf, &i, "seconds were added to")) {
3831 /* Update the clocks */
3832 SendToICS(ics_prefix);
3833 SendToICS("refresh\n");
3837 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3838 ics_clock_paused = TRUE;
3843 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3844 ics_clock_paused = FALSE;
3849 /* Grab player ratings from the Creating: message.
3850 Note we have to check for the special case when
3851 the ICS inserts things like [white] or [black]. */
3852 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3853 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3855 0 player 1 name (not necessarily white)
3857 2 empty, white, or black (IGNORED)
3858 3 player 2 name (not necessarily black)
3861 The names/ratings are sorted out when the game
3862 actually starts (below).
3864 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3865 player1Rating = string_to_rating(star_match[1]);
3866 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3867 player2Rating = string_to_rating(star_match[4]);
3869 if (appData.debugMode)
3871 "Ratings from 'Creating:' %s %d, %s %d\n",
3872 player1Name, player1Rating,
3873 player2Name, player2Rating);
3878 /* Improved generic start/end-of-game messages */
3879 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3880 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3881 /* If tkind == 0: */
3882 /* star_match[0] is the game number */
3883 /* [1] is the white player's name */
3884 /* [2] is the black player's name */
3885 /* For end-of-game: */
3886 /* [3] is the reason for the game end */
3887 /* [4] is a PGN end game-token, preceded by " " */
3888 /* For start-of-game: */
3889 /* [3] begins with "Creating" or "Continuing" */
3890 /* [4] is " *" or empty (don't care). */
3891 int gamenum = atoi(star_match[0]);
3892 char *whitename, *blackname, *why, *endtoken;
3893 ChessMove endtype = EndOfFile;
3896 whitename = star_match[1];
3897 blackname = star_match[2];
3898 why = star_match[3];
3899 endtoken = star_match[4];
3901 whitename = star_match[1];
3902 blackname = star_match[3];
3903 why = star_match[5];
3904 endtoken = star_match[6];
3907 /* Game start messages */
3908 if (strncmp(why, "Creating ", 9) == 0 ||
3909 strncmp(why, "Continuing ", 11) == 0) {
3910 gs_gamenum = gamenum;
3911 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3912 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3913 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3915 if (appData.zippyPlay) {
3916 ZippyGameStart(whitename, blackname);
3919 partnerBoardValid = FALSE; // [HGM] bughouse
3923 /* Game end messages */
3924 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3925 ics_gamenum != gamenum) {
3928 while (endtoken[0] == ' ') endtoken++;
3929 switch (endtoken[0]) {
3932 endtype = GameUnfinished;
3935 endtype = BlackWins;
3938 if (endtoken[1] == '/')
3939 endtype = GameIsDrawn;
3941 endtype = WhiteWins;
3944 GameEnds(endtype, why, GE_ICS);
3946 if (appData.zippyPlay && first.initDone) {
3947 ZippyGameEnd(endtype, why);
3948 if (first.pr == NoProc) {
3949 /* Start the next process early so that we'll
3950 be ready for the next challenge */
3951 StartChessProgram(&first);
3953 /* Send "new" early, in case this command takes
3954 a long time to finish, so that we'll be ready
3955 for the next challenge. */
3956 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3960 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3964 if (looking_at(buf, &i, "Removing game * from observation") ||
3965 looking_at(buf, &i, "no longer observing game *") ||
3966 looking_at(buf, &i, "Game * (*) has no examiners")) {
3967 if (gameMode == IcsObserving &&
3968 atoi(star_match[0]) == ics_gamenum)
3970 /* icsEngineAnalyze */
3971 if (appData.icsEngineAnalyze) {
3978 ics_user_moved = FALSE;
3983 if (looking_at(buf, &i, "no longer examining game *")) {
3984 if (gameMode == IcsExamining &&
3985 atoi(star_match[0]) == ics_gamenum)
3989 ics_user_moved = FALSE;
3994 /* Advance leftover_start past any newlines we find,
3995 so only partial lines can get reparsed */
3996 if (looking_at(buf, &i, "\n")) {
3997 prevColor = curColor;
3998 if (curColor != ColorNormal) {
3999 if (oldi > next_out) {
4000 SendToPlayer(&buf[next_out], oldi - next_out);
4003 Colorize(ColorNormal, FALSE);
4004 curColor = ColorNormal;
4006 if (started == STARTED_BOARD) {
4007 started = STARTED_NONE;
4008 parse[parse_pos] = NULLCHAR;
4009 ParseBoard12(parse);
4012 /* Send premove here */
4013 if (appData.premove) {
4015 if (currentMove == 0 &&
4016 gameMode == IcsPlayingWhite &&
4017 appData.premoveWhite) {
4018 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4019 if (appData.debugMode)
4020 fprintf(debugFP, "Sending premove:\n");
4022 } else if (currentMove == 1 &&
4023 gameMode == IcsPlayingBlack &&
4024 appData.premoveBlack) {
4025 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Sending premove:\n");
4029 } else if (gotPremove) {
4031 ClearPremoveHighlights();
4032 if (appData.debugMode)
4033 fprintf(debugFP, "Sending premove:\n");
4034 UserMoveEvent(premoveFromX, premoveFromY,
4035 premoveToX, premoveToY,
4040 /* Usually suppress following prompt */
4041 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4042 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4043 if (looking_at(buf, &i, "*% ")) {
4044 savingComment = FALSE;
4049 } else if (started == STARTED_HOLDINGS) {
4051 char new_piece[MSG_SIZ];
4052 started = STARTED_NONE;
4053 parse[parse_pos] = NULLCHAR;
4054 if (appData.debugMode)
4055 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4056 parse, currentMove);
4057 if (sscanf(parse, " game %d", &gamenum) == 1) {
4058 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4059 if (gameInfo.variant == VariantNormal) {
4060 /* [HGM] We seem to switch variant during a game!
4061 * Presumably no holdings were displayed, so we have
4062 * to move the position two files to the right to
4063 * create room for them!
4065 VariantClass newVariant;
4066 switch(gameInfo.boardWidth) { // base guess on board width
4067 case 9: newVariant = VariantShogi; break;
4068 case 10: newVariant = VariantGreat; break;
4069 default: newVariant = VariantCrazyhouse; break;
4071 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4072 /* Get a move list just to see the header, which
4073 will tell us whether this is really bug or zh */
4074 if (ics_getting_history == H_FALSE) {
4075 ics_getting_history = H_REQUESTED;
4076 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4080 new_piece[0] = NULLCHAR;
4081 sscanf(parse, "game %d white [%s black [%s <- %s",
4082 &gamenum, white_holding, black_holding,
4084 white_holding[strlen(white_holding)-1] = NULLCHAR;
4085 black_holding[strlen(black_holding)-1] = NULLCHAR;
4086 /* [HGM] copy holdings to board holdings area */
4087 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4088 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4089 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyHoldings(white_holding, black_holding,
4096 if (tinyLayout || smallLayout) {
4097 char wh[16], bh[16];
4098 PackHolding(wh, white_holding);
4099 PackHolding(bh, black_holding);
4100 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4101 gameInfo.white, gameInfo.black);
4103 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4104 gameInfo.white, white_holding, _("vs."),
4105 gameInfo.black, black_holding);
4107 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4108 DrawPosition(FALSE, boards[currentMove]);
4110 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4111 sscanf(parse, "game %d white [%s black [%s <- %s",
4112 &gamenum, white_holding, black_holding,
4114 white_holding[strlen(white_holding)-1] = NULLCHAR;
4115 black_holding[strlen(black_holding)-1] = NULLCHAR;
4116 /* [HGM] copy holdings to partner-board holdings area */
4117 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4118 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4119 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4120 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4121 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4124 /* Suppress following prompt */
4125 if (looking_at(buf, &i, "*% ")) {
4126 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4127 savingComment = FALSE;
4135 i++; /* skip unparsed character and loop back */
4138 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4139 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4140 // SendToPlayer(&buf[next_out], i - next_out);
4141 started != STARTED_HOLDINGS && leftover_start > next_out) {
4142 SendToPlayer(&buf[next_out], leftover_start - next_out);
4146 leftover_len = buf_len - leftover_start;
4147 /* if buffer ends with something we couldn't parse,
4148 reparse it after appending the next read */
4150 } else if (count == 0) {
4151 RemoveInputSource(isr);
4152 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4154 DisplayFatalError(_("Error reading from ICS"), error, 1);
4159 /* Board style 12 looks like this:
4161 <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
4163 * The "<12> " is stripped before it gets to this routine. The two
4164 * trailing 0's (flip state and clock ticking) are later addition, and
4165 * some chess servers may not have them, or may have only the first.
4166 * Additional trailing fields may be added in the future.
4169 #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"
4171 #define RELATION_OBSERVING_PLAYED 0
4172 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4173 #define RELATION_PLAYING_MYMOVE 1
4174 #define RELATION_PLAYING_NOTMYMOVE -1
4175 #define RELATION_EXAMINING 2
4176 #define RELATION_ISOLATED_BOARD -3
4177 #define RELATION_STARTING_POSITION -4 /* FICS only */
4180 ParseBoard12 (char *string)
4182 GameMode newGameMode;
4183 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4184 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4185 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4186 char to_play, board_chars[200];
4187 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4188 char black[32], white[32];
4190 int prevMove = currentMove;
4193 int fromX, fromY, toX, toY;
4195 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4196 char *bookHit = NULL; // [HGM] book
4197 Boolean weird = FALSE, reqFlag = FALSE;
4199 fromX = fromY = toX = toY = -1;
4203 if (appData.debugMode)
4204 fprintf(debugFP, _("Parsing board: %s\n"), string);
4206 move_str[0] = NULLCHAR;
4207 elapsed_time[0] = NULLCHAR;
4208 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4210 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4211 if(string[i] == ' ') { ranks++; files = 0; }
4213 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4216 for(j = 0; j <i; j++) board_chars[j] = string[j];
4217 board_chars[i] = '\0';
4220 n = sscanf(string, PATTERN, &to_play, &double_push,
4221 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4222 &gamenum, white, black, &relation, &basetime, &increment,
4223 &white_stren, &black_stren, &white_time, &black_time,
4224 &moveNum, str, elapsed_time, move_str, &ics_flip,
4228 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4229 DisplayError(str, 0);
4233 /* Convert the move number to internal form */
4234 moveNum = (moveNum - 1) * 2;
4235 if (to_play == 'B') moveNum++;
4236 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4237 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4243 case RELATION_OBSERVING_PLAYED:
4244 case RELATION_OBSERVING_STATIC:
4245 if (gamenum == -1) {
4246 /* Old ICC buglet */
4247 relation = RELATION_OBSERVING_STATIC;
4249 newGameMode = IcsObserving;
4251 case RELATION_PLAYING_MYMOVE:
4252 case RELATION_PLAYING_NOTMYMOVE:
4254 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4255 IcsPlayingWhite : IcsPlayingBlack;
4256 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4258 case RELATION_EXAMINING:
4259 newGameMode = IcsExamining;
4261 case RELATION_ISOLATED_BOARD:
4263 /* Just display this board. If user was doing something else,
4264 we will forget about it until the next board comes. */
4265 newGameMode = IcsIdle;
4267 case RELATION_STARTING_POSITION:
4268 newGameMode = gameMode;
4272 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4273 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4274 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4275 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4276 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4277 static int lastBgGame = -1;
4279 for (k = 0; k < ranks; k++) {
4280 for (j = 0; j < files; j++)
4281 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4282 if(gameInfo.holdingsWidth > 1) {
4283 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4284 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4287 CopyBoard(partnerBoard, board);
4288 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4289 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4290 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4291 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4292 if(toSqr = strchr(str, '-')) {
4293 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4294 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4295 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4296 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4297 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4298 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4300 DisplayWhiteClock(white_time*fac, to_play == 'W');
4301 DisplayBlackClock(black_time*fac, to_play != 'W');
4302 activePartner = to_play;
4303 if(gamenum != lastBgGame) {
4305 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4308 lastBgGame = gamenum;
4309 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4310 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4311 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4312 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4313 DisplayMessage(partnerStatus, "");
4314 partnerBoardValid = TRUE;
4318 if(appData.dualBoard && appData.bgObserve) {
4319 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4320 SendToICS(ics_prefix), SendToICS("pobserve\n");
4321 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4323 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4328 /* Modify behavior for initial board display on move listing
4331 switch (ics_getting_history) {
4335 case H_GOT_REQ_HEADER:
4336 case H_GOT_UNREQ_HEADER:
4337 /* This is the initial position of the current game */
4338 gamenum = ics_gamenum;
4339 moveNum = 0; /* old ICS bug workaround */
4340 if (to_play == 'B') {
4341 startedFromSetupPosition = TRUE;
4342 blackPlaysFirst = TRUE;
4344 if (forwardMostMove == 0) forwardMostMove = 1;
4345 if (backwardMostMove == 0) backwardMostMove = 1;
4346 if (currentMove == 0) currentMove = 1;
4348 newGameMode = gameMode;
4349 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4351 case H_GOT_UNWANTED_HEADER:
4352 /* This is an initial board that we don't want */
4354 case H_GETTING_MOVES:
4355 /* Should not happen */
4356 DisplayError(_("Error gathering move list: extra board"), 0);
4357 ics_getting_history = H_FALSE;
4361 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4362 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4363 weird && (int)gameInfo.variant < (int)VariantShogi) {
4364 /* [HGM] We seem to have switched variant unexpectedly
4365 * Try to guess new variant from board size
4367 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4368 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4369 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4370 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4371 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4372 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4373 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4374 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4375 /* Get a move list just to see the header, which
4376 will tell us whether this is really bug or zh */
4377 if (ics_getting_history == H_FALSE) {
4378 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4379 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4384 /* Take action if this is the first board of a new game, or of a
4385 different game than is currently being displayed. */
4386 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4387 relation == RELATION_ISOLATED_BOARD) {
4389 /* Forget the old game and get the history (if any) of the new one */
4390 if (gameMode != BeginningOfGame) {
4394 if (appData.autoRaiseBoard) BoardToTop();
4396 if (gamenum == -1) {
4397 newGameMode = IcsIdle;
4398 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4399 appData.getMoveList && !reqFlag) {
4400 /* Need to get game history */
4401 ics_getting_history = H_REQUESTED;
4402 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4406 /* Initially flip the board to have black on the bottom if playing
4407 black or if the ICS flip flag is set, but let the user change
4408 it with the Flip View button. */
4409 flipView = appData.autoFlipView ?
4410 (newGameMode == IcsPlayingBlack) || ics_flip :
4413 /* Done with values from previous mode; copy in new ones */
4414 gameMode = newGameMode;
4416 ics_gamenum = gamenum;
4417 if (gamenum == gs_gamenum) {
4418 int klen = strlen(gs_kind);
4419 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4420 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4421 gameInfo.event = StrSave(str);
4423 gameInfo.event = StrSave("ICS game");
4425 gameInfo.site = StrSave(appData.icsHost);
4426 gameInfo.date = PGNDate();
4427 gameInfo.round = StrSave("-");
4428 gameInfo.white = StrSave(white);
4429 gameInfo.black = StrSave(black);
4430 timeControl = basetime * 60 * 1000;
4432 timeIncrement = increment * 1000;
4433 movesPerSession = 0;
4434 gameInfo.timeControl = TimeControlTagValue();
4435 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4436 if (appData.debugMode) {
4437 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4438 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4439 setbuf(debugFP, NULL);
4442 gameInfo.outOfBook = NULL;
4444 /* Do we have the ratings? */
4445 if (strcmp(player1Name, white) == 0 &&
4446 strcmp(player2Name, black) == 0) {
4447 if (appData.debugMode)
4448 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4449 player1Rating, player2Rating);
4450 gameInfo.whiteRating = player1Rating;
4451 gameInfo.blackRating = player2Rating;
4452 } else if (strcmp(player2Name, white) == 0 &&
4453 strcmp(player1Name, black) == 0) {
4454 if (appData.debugMode)
4455 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4456 player2Rating, player1Rating);
4457 gameInfo.whiteRating = player2Rating;
4458 gameInfo.blackRating = player1Rating;
4460 player1Name[0] = player2Name[0] = NULLCHAR;
4462 /* Silence shouts if requested */
4463 if (appData.quietPlay &&
4464 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4465 SendToICS(ics_prefix);
4466 SendToICS("set shout 0\n");
4470 /* Deal with midgame name changes */
4472 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4473 if (gameInfo.white) free(gameInfo.white);
4474 gameInfo.white = StrSave(white);
4476 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4477 if (gameInfo.black) free(gameInfo.black);
4478 gameInfo.black = StrSave(black);
4482 /* Throw away game result if anything actually changes in examine mode */
4483 if (gameMode == IcsExamining && !newGame) {
4484 gameInfo.result = GameUnfinished;
4485 if (gameInfo.resultDetails != NULL) {
4486 free(gameInfo.resultDetails);
4487 gameInfo.resultDetails = NULL;
4491 /* In pausing && IcsExamining mode, we ignore boards coming
4492 in if they are in a different variation than we are. */
4493 if (pauseExamInvalid) return;
4494 if (pausing && gameMode == IcsExamining) {
4495 if (moveNum <= pauseExamForwardMostMove) {
4496 pauseExamInvalid = TRUE;
4497 forwardMostMove = pauseExamForwardMostMove;
4502 if (appData.debugMode) {
4503 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4505 /* Parse the board */
4506 for (k = 0; k < ranks; k++) {
4507 for (j = 0; j < files; j++)
4508 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4509 if(gameInfo.holdingsWidth > 1) {
4510 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4511 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4514 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4515 board[5][BOARD_RGHT+1] = WhiteAngel;
4516 board[6][BOARD_RGHT+1] = WhiteMarshall;
4517 board[1][0] = BlackMarshall;
4518 board[2][0] = BlackAngel;
4519 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4521 CopyBoard(boards[moveNum], board);
4522 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4524 startedFromSetupPosition =
4525 !CompareBoards(board, initialPosition);
4526 if(startedFromSetupPosition)
4527 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4530 /* [HGM] Set castling rights. Take the outermost Rooks,
4531 to make it also work for FRC opening positions. Note that board12
4532 is really defective for later FRC positions, as it has no way to
4533 indicate which Rook can castle if they are on the same side of King.
4534 For the initial position we grant rights to the outermost Rooks,
4535 and remember thos rights, and we then copy them on positions
4536 later in an FRC game. This means WB might not recognize castlings with
4537 Rooks that have moved back to their original position as illegal,
4538 but in ICS mode that is not its job anyway.
4540 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4541 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4543 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4544 if(board[0][i] == WhiteRook) j = i;
4545 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4546 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4547 if(board[0][i] == WhiteRook) j = i;
4548 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4549 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4550 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4551 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4552 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4553 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4554 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4556 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4557 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4558 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4559 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4560 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4561 if(board[BOARD_HEIGHT-1][k] == bKing)
4562 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4563 if(gameInfo.variant == VariantTwoKings) {
4564 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4565 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4566 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4569 r = boards[moveNum][CASTLING][0] = initialRights[0];
4570 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4571 r = boards[moveNum][CASTLING][1] = initialRights[1];
4572 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4573 r = boards[moveNum][CASTLING][3] = initialRights[3];
4574 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4575 r = boards[moveNum][CASTLING][4] = initialRights[4];
4576 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4577 /* wildcastle kludge: always assume King has rights */
4578 r = boards[moveNum][CASTLING][2] = initialRights[2];
4579 r = boards[moveNum][CASTLING][5] = initialRights[5];
4581 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4582 boards[moveNum][EP_STATUS] = EP_NONE;
4583 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4584 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4585 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4588 if (ics_getting_history == H_GOT_REQ_HEADER ||
4589 ics_getting_history == H_GOT_UNREQ_HEADER) {
4590 /* This was an initial position from a move list, not
4591 the current position */
4595 /* Update currentMove and known move number limits */
4596 newMove = newGame || moveNum > forwardMostMove;
4599 forwardMostMove = backwardMostMove = currentMove = moveNum;
4600 if (gameMode == IcsExamining && moveNum == 0) {
4601 /* Workaround for ICS limitation: we are not told the wild
4602 type when starting to examine a game. But if we ask for
4603 the move list, the move list header will tell us */
4604 ics_getting_history = H_REQUESTED;
4605 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4608 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4609 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4611 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4612 /* [HGM] applied this also to an engine that is silently watching */
4613 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4614 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4615 gameInfo.variant == currentlyInitializedVariant) {
4616 takeback = forwardMostMove - moveNum;
4617 for (i = 0; i < takeback; i++) {
4618 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4619 SendToProgram("undo\n", &first);
4624 forwardMostMove = moveNum;
4625 if (!pausing || currentMove > forwardMostMove)
4626 currentMove = forwardMostMove;
4628 /* New part of history that is not contiguous with old part */
4629 if (pausing && gameMode == IcsExamining) {
4630 pauseExamInvalid = TRUE;
4631 forwardMostMove = pauseExamForwardMostMove;
4634 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4636 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4637 // [HGM] when we will receive the move list we now request, it will be
4638 // fed to the engine from the first move on. So if the engine is not
4639 // in the initial position now, bring it there.
4640 InitChessProgram(&first, 0);
4643 ics_getting_history = H_REQUESTED;
4644 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4647 forwardMostMove = backwardMostMove = currentMove = moveNum;
4650 /* Update the clocks */
4651 if (strchr(elapsed_time, '.')) {
4653 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4654 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4656 /* Time is in seconds */
4657 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4658 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4663 if (appData.zippyPlay && newGame &&
4664 gameMode != IcsObserving && gameMode != IcsIdle &&
4665 gameMode != IcsExamining)
4666 ZippyFirstBoard(moveNum, basetime, increment);
4669 /* Put the move on the move list, first converting
4670 to canonical algebraic form. */
4672 if (appData.debugMode) {
4673 if (appData.debugMode) { int f = forwardMostMove;
4674 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4675 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4676 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4678 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4679 fprintf(debugFP, "moveNum = %d\n", moveNum);
4680 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4681 setbuf(debugFP, NULL);
4683 if (moveNum <= backwardMostMove) {
4684 /* We don't know what the board looked like before
4686 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4687 strcat(parseList[moveNum - 1], " ");
4688 strcat(parseList[moveNum - 1], elapsed_time);
4689 moveList[moveNum - 1][0] = NULLCHAR;
4690 } else if (strcmp(move_str, "none") == 0) {
4691 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4692 /* Again, we don't know what the board looked like;
4693 this is really the start of the game. */
4694 parseList[moveNum - 1][0] = NULLCHAR;
4695 moveList[moveNum - 1][0] = NULLCHAR;
4696 backwardMostMove = moveNum;
4697 startedFromSetupPosition = TRUE;
4698 fromX = fromY = toX = toY = -1;
4700 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4701 // So we parse the long-algebraic move string in stead of the SAN move
4702 int valid; char buf[MSG_SIZ], *prom;
4704 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4705 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4706 // str looks something like "Q/a1-a2"; kill the slash
4708 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4709 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4710 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4711 strcat(buf, prom); // long move lacks promo specification!
4712 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4713 if(appData.debugMode)
4714 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4715 safeStrCpy(move_str, buf, MSG_SIZ);
4717 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4718 &fromX, &fromY, &toX, &toY, &promoChar)
4719 || ParseOneMove(buf, moveNum - 1, &moveType,
4720 &fromX, &fromY, &toX, &toY, &promoChar);
4721 // end of long SAN patch
4723 (void) CoordsToAlgebraic(boards[moveNum - 1],
4724 PosFlags(moveNum - 1),
4725 fromY, fromX, toY, toX, promoChar,
4726 parseList[moveNum-1]);
4727 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4733 if(gameInfo.variant != VariantShogi)
4734 strcat(parseList[moveNum - 1], "+");
4737 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4738 strcat(parseList[moveNum - 1], "#");
4741 strcat(parseList[moveNum - 1], " ");
4742 strcat(parseList[moveNum - 1], elapsed_time);
4743 /* currentMoveString is set as a side-effect of ParseOneMove */
4744 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4745 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4746 strcat(moveList[moveNum - 1], "\n");
4748 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4749 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4750 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4751 ChessSquare old, new = boards[moveNum][k][j];
4752 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4753 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4754 if(old == new) continue;
4755 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4756 else if(new == WhiteWazir || new == BlackWazir) {
4757 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4758 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4759 else boards[moveNum][k][j] = old; // preserve type of Gold
4760 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4761 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4764 /* Move from ICS was illegal!? Punt. */
4765 if (appData.debugMode) {
4766 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4767 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4769 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4770 strcat(parseList[moveNum - 1], " ");
4771 strcat(parseList[moveNum - 1], elapsed_time);
4772 moveList[moveNum - 1][0] = NULLCHAR;
4773 fromX = fromY = toX = toY = -1;
4776 if (appData.debugMode) {
4777 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4778 setbuf(debugFP, NULL);
4782 /* Send move to chess program (BEFORE animating it). */
4783 if (appData.zippyPlay && !newGame && newMove &&
4784 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4786 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4787 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4788 if (moveList[moveNum - 1][0] == NULLCHAR) {
4789 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4791 DisplayError(str, 0);
4793 if (first.sendTime) {
4794 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4796 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4797 if (firstMove && !bookHit) {
4799 if (first.useColors) {
4800 SendToProgram(gameMode == IcsPlayingWhite ?
4802 "black\ngo\n", &first);
4804 SendToProgram("go\n", &first);
4806 first.maybeThinking = TRUE;
4809 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4810 if (moveList[moveNum - 1][0] == NULLCHAR) {
4811 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4812 DisplayError(str, 0);
4814 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4815 SendMoveToProgram(moveNum - 1, &first);
4822 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4823 /* If move comes from a remote source, animate it. If it
4824 isn't remote, it will have already been animated. */
4825 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4826 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4828 if (!pausing && appData.highlightLastMove) {
4829 SetHighlights(fromX, fromY, toX, toY);
4833 /* Start the clocks */
4834 whiteFlag = blackFlag = FALSE;
4835 appData.clockMode = !(basetime == 0 && increment == 0);
4837 ics_clock_paused = TRUE;
4839 } else if (ticking == 1) {
4840 ics_clock_paused = FALSE;
4842 if (gameMode == IcsIdle ||
4843 relation == RELATION_OBSERVING_STATIC ||
4844 relation == RELATION_EXAMINING ||
4846 DisplayBothClocks();
4850 /* Display opponents and material strengths */
4851 if (gameInfo.variant != VariantBughouse &&
4852 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4853 if (tinyLayout || smallLayout) {
4854 if(gameInfo.variant == VariantNormal)
4855 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4856 gameInfo.white, white_stren, gameInfo.black, black_stren,
4857 basetime, increment);
4859 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4860 gameInfo.white, white_stren, gameInfo.black, black_stren,
4861 basetime, increment, (int) gameInfo.variant);
4863 if(gameInfo.variant == VariantNormal)
4864 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4865 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4866 basetime, increment);
4868 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4869 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4870 basetime, increment, VariantName(gameInfo.variant));
4873 if (appData.debugMode) {
4874 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4879 /* Display the board */
4880 if (!pausing && !appData.noGUI) {
4882 if (appData.premove)
4884 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4885 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4886 ClearPremoveHighlights();
4888 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4889 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4890 DrawPosition(j, boards[currentMove]);
4892 DisplayMove(moveNum - 1);
4893 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4894 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4895 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4896 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4900 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4902 if(bookHit) { // [HGM] book: simulate book reply
4903 static char bookMove[MSG_SIZ]; // a bit generous?
4905 programStats.nodes = programStats.depth = programStats.time =
4906 programStats.score = programStats.got_only_move = 0;
4907 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4909 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4910 strcat(bookMove, bookHit);
4911 HandleMachineMove(bookMove, &first);
4920 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4921 ics_getting_history = H_REQUESTED;
4922 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4928 SendToBoth (char *msg)
4929 { // to make it easy to keep two engines in step in dual analysis
4930 SendToProgram(msg, &first);
4931 if(second.analyzing) SendToProgram(msg, &second);
4935 AnalysisPeriodicEvent (int force)
4937 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4938 && !force) || !appData.periodicUpdates)
4941 /* Send . command to Crafty to collect stats */
4944 /* Don't send another until we get a response (this makes
4945 us stop sending to old Crafty's which don't understand
4946 the "." command (sending illegal cmds resets node count & time,
4947 which looks bad)) */
4948 programStats.ok_to_send = 0;
4952 ics_update_width (int new_width)
4954 ics_printf("set width %d\n", new_width);
4958 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4962 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4963 // null move in variant where engine does not understand it (for analysis purposes)
4964 SendBoard(cps, moveNum + 1); // send position after move in stead.
4967 if (cps->useUsermove) {
4968 SendToProgram("usermove ", cps);
4972 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4973 int len = space - parseList[moveNum];
4974 memcpy(buf, parseList[moveNum], len);
4976 buf[len] = NULLCHAR;
4978 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4980 SendToProgram(buf, cps);
4982 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4983 AlphaRank(moveList[moveNum], 4);
4984 SendToProgram(moveList[moveNum], cps);
4985 AlphaRank(moveList[moveNum], 4); // and back
4987 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4988 * the engine. It would be nice to have a better way to identify castle
4990 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4991 && cps->useOOCastle) {
4992 int fromX = moveList[moveNum][0] - AAA;
4993 int fromY = moveList[moveNum][1] - ONE;
4994 int toX = moveList[moveNum][2] - AAA;
4995 int toY = moveList[moveNum][3] - ONE;
4996 if((boards[moveNum][fromY][fromX] == WhiteKing
4997 && boards[moveNum][toY][toX] == WhiteRook)
4998 || (boards[moveNum][fromY][fromX] == BlackKing
4999 && boards[moveNum][toY][toX] == BlackRook)) {
5000 if(toX > fromX) SendToProgram("O-O\n", cps);
5001 else SendToProgram("O-O-O\n", cps);
5003 else SendToProgram(moveList[moveNum], cps);
5005 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5006 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5007 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5008 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5009 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5011 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5012 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5013 SendToProgram(buf, cps);
5015 else SendToProgram(moveList[moveNum], cps);
5016 /* End of additions by Tord */
5019 /* [HGM] setting up the opening has brought engine in force mode! */
5020 /* Send 'go' if we are in a mode where machine should play. */
5021 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5022 (gameMode == TwoMachinesPlay ||
5024 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5026 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5027 SendToProgram("go\n", cps);
5028 if (appData.debugMode) {
5029 fprintf(debugFP, "(extra)\n");
5032 setboardSpoiledMachineBlack = 0;
5036 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5038 char user_move[MSG_SIZ];
5041 if(gameInfo.variant == VariantSChess && promoChar) {
5042 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5043 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5044 } else suffix[0] = NULLCHAR;
5048 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5049 (int)moveType, fromX, fromY, toX, toY);
5050 DisplayError(user_move + strlen("say "), 0);
5052 case WhiteKingSideCastle:
5053 case BlackKingSideCastle:
5054 case WhiteQueenSideCastleWild:
5055 case BlackQueenSideCastleWild:
5057 case WhiteHSideCastleFR:
5058 case BlackHSideCastleFR:
5060 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5062 case WhiteQueenSideCastle:
5063 case BlackQueenSideCastle:
5064 case WhiteKingSideCastleWild:
5065 case BlackKingSideCastleWild:
5067 case WhiteASideCastleFR:
5068 case BlackASideCastleFR:
5070 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5072 case WhiteNonPromotion:
5073 case BlackNonPromotion:
5074 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5076 case WhitePromotion:
5077 case BlackPromotion:
5078 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5079 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5080 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5081 PieceToChar(WhiteFerz));
5082 else if(gameInfo.variant == VariantGreat)
5083 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5084 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5085 PieceToChar(WhiteMan));
5087 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5088 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5094 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5095 ToUpper(PieceToChar((ChessSquare) fromX)),
5096 AAA + toX, ONE + toY);
5098 case IllegalMove: /* could be a variant we don't quite understand */
5099 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5101 case WhiteCapturesEnPassant:
5102 case BlackCapturesEnPassant:
5103 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5104 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5107 SendToICS(user_move);
5108 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5109 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5114 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5115 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5116 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5117 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5118 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5121 if(gameMode != IcsExamining) { // is this ever not the case?
5122 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5124 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5125 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5126 } else { // on FICS we must first go to general examine mode
5127 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5129 if(gameInfo.variant != VariantNormal) {
5130 // try figure out wild number, as xboard names are not always valid on ICS
5131 for(i=1; i<=36; i++) {
5132 snprintf(buf, MSG_SIZ, "wild/%d", i);
5133 if(StringToVariant(buf) == gameInfo.variant) break;
5135 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5136 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5137 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5138 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5139 SendToICS(ics_prefix);
5141 if(startedFromSetupPosition || backwardMostMove != 0) {
5142 fen = PositionToFEN(backwardMostMove, NULL);
5143 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5144 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5146 } else { // FICS: everything has to set by separate bsetup commands
5147 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5148 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5150 if(!WhiteOnMove(backwardMostMove)) {
5151 SendToICS("bsetup tomove black\n");
5153 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5154 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5156 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5157 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5159 i = boards[backwardMostMove][EP_STATUS];
5160 if(i >= 0) { // set e.p.
5161 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5167 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5168 SendToICS("bsetup done\n"); // switch to normal examining.
5170 for(i = backwardMostMove; i<last; i++) {
5172 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5173 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5174 int len = strlen(moveList[i]);
5175 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5176 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5180 SendToICS(ics_prefix);
5181 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5185 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5187 if (rf == DROP_RANK) {
5188 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5189 sprintf(move, "%c@%c%c\n",
5190 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5192 if (promoChar == 'x' || promoChar == NULLCHAR) {
5193 sprintf(move, "%c%c%c%c\n",
5194 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5196 sprintf(move, "%c%c%c%c%c\n",
5197 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5203 ProcessICSInitScript (FILE *f)
5207 while (fgets(buf, MSG_SIZ, f)) {
5208 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5215 static int lastX, lastY, selectFlag, dragging;
5220 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5221 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5222 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5223 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5224 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5225 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5228 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5229 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5230 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5231 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5232 if(!step) step = -1;
5233 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5234 appData.testLegality && (promoSweep == king ||
5235 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5237 int victim = boards[currentMove][toY][toX];
5238 boards[currentMove][toY][toX] = promoSweep;
5239 DrawPosition(FALSE, boards[currentMove]);
5240 boards[currentMove][toY][toX] = victim;
5242 ChangeDragPiece(promoSweep);
5246 PromoScroll (int x, int y)
5250 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5251 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5252 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5253 if(!step) return FALSE;
5254 lastX = x; lastY = y;
5255 if((promoSweep < BlackPawn) == flipView) step = -step;
5256 if(step > 0) selectFlag = 1;
5257 if(!selectFlag) Sweep(step);
5262 NextPiece (int step)
5264 ChessSquare piece = boards[currentMove][toY][toX];
5267 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5268 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5269 if(!step) step = -1;
5270 } while(PieceToChar(pieceSweep) == '.');
5271 boards[currentMove][toY][toX] = pieceSweep;
5272 DrawPosition(FALSE, boards[currentMove]);
5273 boards[currentMove][toY][toX] = piece;
5275 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5277 AlphaRank (char *move, int n)
5279 // char *p = move, c; int x, y;
5281 if (appData.debugMode) {
5282 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5286 move[2]>='0' && move[2]<='9' &&
5287 move[3]>='a' && move[3]<='x' ) {
5289 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5290 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5292 if(move[0]>='0' && move[0]<='9' &&
5293 move[1]>='a' && move[1]<='x' &&
5294 move[2]>='0' && move[2]<='9' &&
5295 move[3]>='a' && move[3]<='x' ) {
5296 /* input move, Shogi -> normal */
5297 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5298 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5299 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5300 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5303 move[3]>='0' && move[3]<='9' &&
5304 move[2]>='a' && move[2]<='x' ) {
5306 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5307 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5310 move[0]>='a' && move[0]<='x' &&
5311 move[3]>='0' && move[3]<='9' &&
5312 move[2]>='a' && move[2]<='x' ) {
5313 /* output move, normal -> Shogi */
5314 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5315 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5316 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5317 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5318 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5320 if (appData.debugMode) {
5321 fprintf(debugFP, " out = '%s'\n", move);
5325 char yy_textstr[8000];
5327 /* Parser for moves from gnuchess, ICS, or user typein box */
5329 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5331 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5333 switch (*moveType) {
5334 case WhitePromotion:
5335 case BlackPromotion:
5336 case WhiteNonPromotion:
5337 case BlackNonPromotion:
5339 case WhiteCapturesEnPassant:
5340 case BlackCapturesEnPassant:
5341 case WhiteKingSideCastle:
5342 case WhiteQueenSideCastle:
5343 case BlackKingSideCastle:
5344 case BlackQueenSideCastle:
5345 case WhiteKingSideCastleWild:
5346 case WhiteQueenSideCastleWild:
5347 case BlackKingSideCastleWild:
5348 case BlackQueenSideCastleWild:
5349 /* Code added by Tord: */
5350 case WhiteHSideCastleFR:
5351 case WhiteASideCastleFR:
5352 case BlackHSideCastleFR:
5353 case BlackASideCastleFR:
5354 /* End of code added by Tord */
5355 case IllegalMove: /* bug or odd chess variant */
5356 *fromX = currentMoveString[0] - AAA;
5357 *fromY = currentMoveString[1] - ONE;
5358 *toX = currentMoveString[2] - AAA;
5359 *toY = currentMoveString[3] - ONE;
5360 *promoChar = currentMoveString[4];
5361 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5362 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5363 if (appData.debugMode) {
5364 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5366 *fromX = *fromY = *toX = *toY = 0;
5369 if (appData.testLegality) {
5370 return (*moveType != IllegalMove);
5372 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5373 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5378 *fromX = *moveType == WhiteDrop ?
5379 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5380 (int) CharToPiece(ToLower(currentMoveString[0]));
5382 *toX = currentMoveString[2] - AAA;
5383 *toY = currentMoveString[3] - ONE;
5384 *promoChar = NULLCHAR;
5388 case ImpossibleMove:
5398 if (appData.debugMode) {
5399 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5402 *fromX = *fromY = *toX = *toY = 0;
5403 *promoChar = NULLCHAR;
5408 Boolean pushed = FALSE;
5409 char *lastParseAttempt;
5412 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5413 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5414 int fromX, fromY, toX, toY; char promoChar;
5419 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5420 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5421 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5424 endPV = forwardMostMove;
5426 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5427 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5428 lastParseAttempt = pv;
5429 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5430 if(!valid && nr == 0 &&
5431 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5432 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5433 // Hande case where played move is different from leading PV move
5434 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5435 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5436 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5437 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5438 endPV += 2; // if position different, keep this
5439 moveList[endPV-1][0] = fromX + AAA;
5440 moveList[endPV-1][1] = fromY + ONE;
5441 moveList[endPV-1][2] = toX + AAA;
5442 moveList[endPV-1][3] = toY + ONE;
5443 parseList[endPV-1][0] = NULLCHAR;
5444 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5447 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5448 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5449 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5450 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5451 valid++; // allow comments in PV
5455 if(endPV+1 > framePtr) break; // no space, truncate
5458 CopyBoard(boards[endPV], boards[endPV-1]);
5459 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5460 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5461 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5462 CoordsToAlgebraic(boards[endPV - 1],
5463 PosFlags(endPV - 1),
5464 fromY, fromX, toY, toX, promoChar,
5465 parseList[endPV - 1]);
5467 if(atEnd == 2) return; // used hidden, for PV conversion
5468 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5469 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5470 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5471 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5472 DrawPosition(TRUE, boards[currentMove]);
5476 MultiPV (ChessProgramState *cps)
5477 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5479 for(i=0; i<cps->nrOptions; i++)
5480 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5486 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5488 int startPV, multi, lineStart, origIndex = index;
5489 char *p, buf2[MSG_SIZ];
5490 ChessProgramState *cps = (pane ? &second : &first);
5492 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5493 lastX = x; lastY = y;
5494 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5495 lineStart = startPV = index;
5496 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5497 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5499 do{ while(buf[index] && buf[index] != '\n') index++;
5500 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5502 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5503 int n = cps->option[multi].value;
5504 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5505 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5506 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5507 cps->option[multi].value = n;
5510 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5511 ExcludeClick(origIndex - lineStart);
5514 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5515 *start = startPV; *end = index-1;
5522 static char buf[10*MSG_SIZ];
5523 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5525 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5526 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5527 for(i = forwardMostMove; i<endPV; i++){
5528 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5529 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5532 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5533 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5534 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5540 LoadPV (int x, int y)
5541 { // called on right mouse click to load PV
5542 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5543 lastX = x; lastY = y;
5544 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5551 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5552 if(endPV < 0) return;
5553 if(appData.autoCopyPV) CopyFENToClipboard();
5555 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5556 Boolean saveAnimate = appData.animate;
5558 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5559 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5560 } else storedGames--; // abandon shelved tail of original game
5563 forwardMostMove = currentMove;
5564 currentMove = oldFMM;
5565 appData.animate = FALSE;
5566 ToNrEvent(forwardMostMove);
5567 appData.animate = saveAnimate;
5569 currentMove = forwardMostMove;
5570 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5571 ClearPremoveHighlights();
5572 DrawPosition(TRUE, boards[currentMove]);
5576 MovePV (int x, int y, int h)
5577 { // step through PV based on mouse coordinates (called on mouse move)
5578 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5580 // we must somehow check if right button is still down (might be released off board!)
5581 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5582 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5583 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5585 lastX = x; lastY = y;
5587 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5588 if(endPV < 0) return;
5589 if(y < margin) step = 1; else
5590 if(y > h - margin) step = -1;
5591 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5592 currentMove += step;
5593 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5594 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5595 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5596 DrawPosition(FALSE, boards[currentMove]);
5600 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5601 // All positions will have equal probability, but the current method will not provide a unique
5602 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5608 int piecesLeft[(int)BlackPawn];
5609 int seed, nrOfShuffles;
5612 GetPositionNumber ()
5613 { // sets global variable seed
5616 seed = appData.defaultFrcPosition;
5617 if(seed < 0) { // randomize based on time for negative FRC position numbers
5618 for(i=0; i<50; i++) seed += random();
5619 seed = random() ^ random() >> 8 ^ random() << 8;
5620 if(seed<0) seed = -seed;
5625 put (Board board, int pieceType, int rank, int n, int shade)
5626 // put the piece on the (n-1)-th empty squares of the given shade
5630 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5631 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5632 board[rank][i] = (ChessSquare) pieceType;
5633 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5635 piecesLeft[pieceType]--;
5644 AddOnePiece (Board board, int pieceType, int rank, int shade)
5645 // calculate where the next piece goes, (any empty square), and put it there
5649 i = seed % squaresLeft[shade];
5650 nrOfShuffles *= squaresLeft[shade];
5651 seed /= squaresLeft[shade];
5652 put(board, pieceType, rank, i, shade);
5656 AddTwoPieces (Board board, int pieceType, int rank)
5657 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5659 int i, n=squaresLeft[ANY], j=n-1, k;
5661 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5662 i = seed % k; // pick one
5665 while(i >= j) i -= j--;
5666 j = n - 1 - j; i += j;
5667 put(board, pieceType, rank, j, ANY);
5668 put(board, pieceType, rank, i, ANY);
5672 SetUpShuffle (Board board, int number)
5676 GetPositionNumber(); nrOfShuffles = 1;
5678 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5679 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5680 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5682 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5685 p = (int) board[0][i];
5686 if(p < (int) BlackPawn) piecesLeft[p] ++;
5687 board[0][i] = EmptySquare;
5690 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5691 // shuffles restricted to allow normal castling put KRR first
5692 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5693 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5694 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5695 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5696 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5697 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5698 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5699 put(board, WhiteRook, 0, 0, ANY);
5700 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5703 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5704 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5705 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5706 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5707 while(piecesLeft[p] >= 2) {
5708 AddOnePiece(board, p, 0, LITE);
5709 AddOnePiece(board, p, 0, DARK);
5711 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5714 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5715 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5716 // but we leave King and Rooks for last, to possibly obey FRC restriction
5717 if(p == (int)WhiteRook) continue;
5718 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5719 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5722 // now everything is placed, except perhaps King (Unicorn) and Rooks
5724 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5725 // Last King gets castling rights
5726 while(piecesLeft[(int)WhiteUnicorn]) {
5727 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5728 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5731 while(piecesLeft[(int)WhiteKing]) {
5732 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5733 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5738 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5739 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5742 // Only Rooks can be left; simply place them all
5743 while(piecesLeft[(int)WhiteRook]) {
5744 i = put(board, WhiteRook, 0, 0, ANY);
5745 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5748 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5750 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5753 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5754 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5757 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5761 SetCharTable (char *table, const char * map)
5762 /* [HGM] moved here from winboard.c because of its general usefulness */
5763 /* Basically a safe strcpy that uses the last character as King */
5765 int result = FALSE; int NrPieces;
5767 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5768 && NrPieces >= 12 && !(NrPieces&1)) {
5769 int i; /* [HGM] Accept even length from 12 to 34 */
5771 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5772 for( i=0; i<NrPieces/2-1; i++ ) {
5774 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5776 table[(int) WhiteKing] = map[NrPieces/2-1];
5777 table[(int) BlackKing] = map[NrPieces-1];
5786 Prelude (Board board)
5787 { // [HGM] superchess: random selection of exo-pieces
5788 int i, j, k; ChessSquare p;
5789 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5791 GetPositionNumber(); // use FRC position number
5793 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5794 SetCharTable(pieceToChar, appData.pieceToCharTable);
5795 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5796 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5799 j = seed%4; seed /= 4;
5800 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5801 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5802 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5803 j = seed%3 + (seed%3 >= j); seed /= 3;
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;
5808 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = 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%2 + (seed%2 >= j); seed /= 2;
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%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5816 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5817 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5818 put(board, exoPieces[0], 0, 0, ANY);
5819 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5823 InitPosition (int redraw)
5825 ChessSquare (* pieces)[BOARD_FILES];
5826 int i, j, pawnRow, overrule,
5827 oldx = gameInfo.boardWidth,
5828 oldy = gameInfo.boardHeight,
5829 oldh = gameInfo.holdingsWidth;
5832 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5834 /* [AS] Initialize pv info list [HGM] and game status */
5836 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5837 pvInfoList[i].depth = 0;
5838 boards[i][EP_STATUS] = EP_NONE;
5839 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5842 initialRulePlies = 0; /* 50-move counter start */
5844 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5845 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5849 /* [HGM] logic here is completely changed. In stead of full positions */
5850 /* the initialized data only consist of the two backranks. The switch */
5851 /* selects which one we will use, which is than copied to the Board */
5852 /* initialPosition, which for the rest is initialized by Pawns and */
5853 /* empty squares. This initial position is then copied to boards[0], */
5854 /* possibly after shuffling, so that it remains available. */
5856 gameInfo.holdingsWidth = 0; /* default board sizes */
5857 gameInfo.boardWidth = 8;
5858 gameInfo.boardHeight = 8;
5859 gameInfo.holdingsSize = 0;
5860 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5861 for(i=0; i<BOARD_FILES-2; i++)
5862 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5863 initialPosition[EP_STATUS] = EP_NONE;
5864 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5865 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5866 SetCharTable(pieceNickName, appData.pieceNickNames);
5867 else SetCharTable(pieceNickName, "............");
5870 switch (gameInfo.variant) {
5871 case VariantFischeRandom:
5872 shuffleOpenings = TRUE;
5875 case VariantShatranj:
5876 pieces = ShatranjArray;
5877 nrCastlingRights = 0;
5878 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5881 pieces = makrukArray;
5882 nrCastlingRights = 0;
5883 startedFromSetupPosition = TRUE;
5884 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5886 case VariantTwoKings:
5887 pieces = twoKingsArray;
5890 pieces = GrandArray;
5891 nrCastlingRights = 0;
5892 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5893 gameInfo.boardWidth = 10;
5894 gameInfo.boardHeight = 10;
5895 gameInfo.holdingsSize = 7;
5897 case VariantCapaRandom:
5898 shuffleOpenings = TRUE;
5899 case VariantCapablanca:
5900 pieces = CapablancaArray;
5901 gameInfo.boardWidth = 10;
5902 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5905 pieces = GothicArray;
5906 gameInfo.boardWidth = 10;
5907 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5910 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5911 gameInfo.holdingsSize = 7;
5912 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5915 pieces = JanusArray;
5916 gameInfo.boardWidth = 10;
5917 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5918 nrCastlingRights = 6;
5919 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5920 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5921 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5922 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5923 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5924 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5927 pieces = FalconArray;
5928 gameInfo.boardWidth = 10;
5929 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5931 case VariantXiangqi:
5932 pieces = XiangqiArray;
5933 gameInfo.boardWidth = 9;
5934 gameInfo.boardHeight = 10;
5935 nrCastlingRights = 0;
5936 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5939 pieces = ShogiArray;
5940 gameInfo.boardWidth = 9;
5941 gameInfo.boardHeight = 9;
5942 gameInfo.holdingsSize = 7;
5943 nrCastlingRights = 0;
5944 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5946 case VariantCourier:
5947 pieces = CourierArray;
5948 gameInfo.boardWidth = 12;
5949 nrCastlingRights = 0;
5950 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5952 case VariantKnightmate:
5953 pieces = KnightmateArray;
5954 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5956 case VariantSpartan:
5957 pieces = SpartanArray;
5958 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5961 pieces = fairyArray;
5962 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5965 pieces = GreatArray;
5966 gameInfo.boardWidth = 10;
5967 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5968 gameInfo.holdingsSize = 8;
5972 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5973 gameInfo.holdingsSize = 8;
5974 startedFromSetupPosition = TRUE;
5976 case VariantCrazyhouse:
5977 case VariantBughouse:
5979 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5980 gameInfo.holdingsSize = 5;
5982 case VariantWildCastle:
5984 /* !!?shuffle with kings guaranteed to be on d or e file */
5985 shuffleOpenings = 1;
5987 case VariantNoCastle:
5989 nrCastlingRights = 0;
5990 /* !!?unconstrained back-rank shuffle */
5991 shuffleOpenings = 1;
5996 if(appData.NrFiles >= 0) {
5997 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5998 gameInfo.boardWidth = appData.NrFiles;
6000 if(appData.NrRanks >= 0) {
6001 gameInfo.boardHeight = appData.NrRanks;
6003 if(appData.holdingsSize >= 0) {
6004 i = appData.holdingsSize;
6005 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6006 gameInfo.holdingsSize = i;
6008 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6009 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6010 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6012 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6013 if(pawnRow < 1) pawnRow = 1;
6014 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6016 /* User pieceToChar list overrules defaults */
6017 if(appData.pieceToCharTable != NULL)
6018 SetCharTable(pieceToChar, appData.pieceToCharTable);
6020 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6022 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6023 s = (ChessSquare) 0; /* account holding counts in guard band */
6024 for( i=0; i<BOARD_HEIGHT; i++ )
6025 initialPosition[i][j] = s;
6027 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6028 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6029 initialPosition[pawnRow][j] = WhitePawn;
6030 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6031 if(gameInfo.variant == VariantXiangqi) {
6033 initialPosition[pawnRow][j] =
6034 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6035 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6036 initialPosition[2][j] = WhiteCannon;
6037 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6041 if(gameInfo.variant == VariantGrand) {
6042 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6043 initialPosition[0][j] = WhiteRook;
6044 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6047 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6049 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6052 initialPosition[1][j] = WhiteBishop;
6053 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6055 initialPosition[1][j] = WhiteRook;
6056 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6059 if( nrCastlingRights == -1) {
6060 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6061 /* This sets default castling rights from none to normal corners */
6062 /* Variants with other castling rights must set them themselves above */
6063 nrCastlingRights = 6;
6065 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6066 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6067 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6068 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6069 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6070 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6073 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6074 if(gameInfo.variant == VariantGreat) { // promotion commoners
6075 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6076 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6077 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6078 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6080 if( gameInfo.variant == VariantSChess ) {
6081 initialPosition[1][0] = BlackMarshall;
6082 initialPosition[2][0] = BlackAngel;
6083 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6084 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6085 initialPosition[1][1] = initialPosition[2][1] =
6086 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6088 if (appData.debugMode) {
6089 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6091 if(shuffleOpenings) {
6092 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6093 startedFromSetupPosition = TRUE;
6095 if(startedFromPositionFile) {
6096 /* [HGM] loadPos: use PositionFile for every new game */
6097 CopyBoard(initialPosition, filePosition);
6098 for(i=0; i<nrCastlingRights; i++)
6099 initialRights[i] = filePosition[CASTLING][i];
6100 startedFromSetupPosition = TRUE;
6103 CopyBoard(boards[0], initialPosition);
6105 if(oldx != gameInfo.boardWidth ||
6106 oldy != gameInfo.boardHeight ||
6107 oldv != gameInfo.variant ||
6108 oldh != gameInfo.holdingsWidth
6110 InitDrawingSizes(-2 ,0);
6112 oldv = gameInfo.variant;
6114 DrawPosition(TRUE, boards[currentMove]);
6118 SendBoard (ChessProgramState *cps, int moveNum)
6120 char message[MSG_SIZ];
6122 if (cps->useSetboard) {
6123 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6124 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6125 SendToProgram(message, cps);
6130 int i, j, left=0, right=BOARD_WIDTH;
6131 /* Kludge to set black to move, avoiding the troublesome and now
6132 * deprecated "black" command.
6134 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6135 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6137 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6139 SendToProgram("edit\n", cps);
6140 SendToProgram("#\n", cps);
6141 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6142 bp = &boards[moveNum][i][left];
6143 for (j = left; j < right; j++, bp++) {
6144 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6145 if ((int) *bp < (int) BlackPawn) {
6146 if(j == BOARD_RGHT+1)
6147 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6148 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6149 if(message[0] == '+' || message[0] == '~') {
6150 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6151 PieceToChar((ChessSquare)(DEMOTED *bp)),
6154 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6155 message[1] = BOARD_RGHT - 1 - j + '1';
6156 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6158 SendToProgram(message, cps);
6163 SendToProgram("c\n", cps);
6164 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6165 bp = &boards[moveNum][i][left];
6166 for (j = left; j < right; j++, bp++) {
6167 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6168 if (((int) *bp != (int) EmptySquare)
6169 && ((int) *bp >= (int) BlackPawn)) {
6170 if(j == BOARD_LEFT-2)
6171 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6172 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6174 if(message[0] == '+' || message[0] == '~') {
6175 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6176 PieceToChar((ChessSquare)(DEMOTED *bp)),
6179 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6180 message[1] = BOARD_RGHT - 1 - j + '1';
6181 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6183 SendToProgram(message, cps);
6188 SendToProgram(".\n", cps);
6190 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6193 char exclusionHeader[MSG_SIZ];
6194 int exCnt, excludePtr;
6195 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6196 static Exclusion excluTab[200];
6197 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6203 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6204 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6210 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6211 excludePtr = 24; exCnt = 0;
6216 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6217 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6218 char buf[2*MOVE_LEN], *p;
6219 Exclusion *e = excluTab;
6221 for(i=0; i<exCnt; i++)
6222 if(e[i].ff == fromX && e[i].fr == fromY &&
6223 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6224 if(i == exCnt) { // was not in exclude list; add it
6225 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6226 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6227 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6230 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6231 excludePtr++; e[i].mark = excludePtr++;
6232 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6235 exclusionHeader[e[i].mark] = state;
6239 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6240 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6244 if((signed char)promoChar == -1) { // kludge to indicate best move
6245 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6246 return 1; // if unparsable, abort
6248 // update exclusion map (resolving toggle by consulting existing state)
6249 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6251 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6252 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6253 excludeMap[k] |= 1<<j;
6254 else excludeMap[k] &= ~(1<<j);
6256 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6258 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6259 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6261 return (state == '+');
6265 ExcludeClick (int index)
6268 Exclusion *e = excluTab;
6269 if(index < 25) { // none, best or tail clicked
6270 if(index < 13) { // none: include all
6271 WriteMap(0); // clear map
6272 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6273 SendToBoth("include all\n"); // and inform engine
6274 } else if(index > 18) { // tail
6275 if(exclusionHeader[19] == '-') { // tail was excluded
6276 SendToBoth("include all\n");
6277 WriteMap(0); // clear map completely
6278 // now re-exclude selected moves
6279 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6280 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6281 } else { // tail was included or in mixed state
6282 SendToBoth("exclude all\n");
6283 WriteMap(0xFF); // fill map completely
6284 // now re-include selected moves
6285 j = 0; // count them
6286 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6287 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6288 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6291 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6294 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6295 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6296 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6303 DefaultPromoChoice (int white)
6306 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6307 result = WhiteFerz; // no choice
6308 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6309 result= WhiteKing; // in Suicide Q is the last thing we want
6310 else if(gameInfo.variant == VariantSpartan)
6311 result = white ? WhiteQueen : WhiteAngel;
6312 else result = WhiteQueen;
6313 if(!white) result = WHITE_TO_BLACK result;
6317 static int autoQueen; // [HGM] oneclick
6320 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6322 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6323 /* [HGM] add Shogi promotions */
6324 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6329 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6330 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6332 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6333 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6336 piece = boards[currentMove][fromY][fromX];
6337 if(gameInfo.variant == VariantShogi) {
6338 promotionZoneSize = BOARD_HEIGHT/3;
6339 highestPromotingPiece = (int)WhiteFerz;
6340 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6341 promotionZoneSize = 3;
6344 // Treat Lance as Pawn when it is not representing Amazon
6345 if(gameInfo.variant != VariantSuper) {
6346 if(piece == WhiteLance) piece = WhitePawn; else
6347 if(piece == BlackLance) piece = BlackPawn;
6350 // next weed out all moves that do not touch the promotion zone at all
6351 if((int)piece >= BlackPawn) {
6352 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6354 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6356 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6357 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6360 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6362 // weed out mandatory Shogi promotions
6363 if(gameInfo.variant == VariantShogi) {
6364 if(piece >= BlackPawn) {
6365 if(toY == 0 && piece == BlackPawn ||
6366 toY == 0 && piece == BlackQueen ||
6367 toY <= 1 && piece == BlackKnight) {
6372 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6373 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6374 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6381 // weed out obviously illegal Pawn moves
6382 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6383 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6384 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6385 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6386 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6387 // note we are not allowed to test for valid (non-)capture, due to premove
6390 // we either have a choice what to promote to, or (in Shogi) whether to promote
6391 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6392 *promoChoice = PieceToChar(BlackFerz); // no choice
6395 // no sense asking what we must promote to if it is going to explode...
6396 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6397 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6400 // give caller the default choice even if we will not make it
6401 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6402 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6403 if( sweepSelect && gameInfo.variant != VariantGreat
6404 && gameInfo.variant != VariantGrand
6405 && gameInfo.variant != VariantSuper) return FALSE;
6406 if(autoQueen) return FALSE; // predetermined
6408 // suppress promotion popup on illegal moves that are not premoves
6409 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6410 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6411 if(appData.testLegality && !premove) {
6412 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6413 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6414 if(moveType != WhitePromotion && moveType != BlackPromotion)
6422 InPalace (int row, int column)
6423 { /* [HGM] for Xiangqi */
6424 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6425 column < (BOARD_WIDTH + 4)/2 &&
6426 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6431 PieceForSquare (int x, int y)
6433 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6436 return boards[currentMove][y][x];
6440 OKToStartUserMove (int x, int y)
6442 ChessSquare from_piece;
6445 if (matchMode) return FALSE;
6446 if (gameMode == EditPosition) return TRUE;
6448 if (x >= 0 && y >= 0)
6449 from_piece = boards[currentMove][y][x];
6451 from_piece = EmptySquare;
6453 if (from_piece == EmptySquare) return FALSE;
6455 white_piece = (int)from_piece >= (int)WhitePawn &&
6456 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6460 case TwoMachinesPlay:
6468 case MachinePlaysWhite:
6469 case IcsPlayingBlack:
6470 if (appData.zippyPlay) return FALSE;
6472 DisplayMoveError(_("You are playing Black"));
6477 case MachinePlaysBlack:
6478 case IcsPlayingWhite:
6479 if (appData.zippyPlay) return FALSE;
6481 DisplayMoveError(_("You are playing White"));
6486 case PlayFromGameFile:
6487 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6489 if (!white_piece && WhiteOnMove(currentMove)) {
6490 DisplayMoveError(_("It is White's turn"));
6493 if (white_piece && !WhiteOnMove(currentMove)) {
6494 DisplayMoveError(_("It is Black's turn"));
6497 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6498 /* Editing correspondence game history */
6499 /* Could disallow this or prompt for confirmation */
6504 case BeginningOfGame:
6505 if (appData.icsActive) return FALSE;
6506 if (!appData.noChessProgram) {
6508 DisplayMoveError(_("You are playing White"));
6515 if (!white_piece && WhiteOnMove(currentMove)) {
6516 DisplayMoveError(_("It is White's turn"));
6519 if (white_piece && !WhiteOnMove(currentMove)) {
6520 DisplayMoveError(_("It is Black's turn"));
6529 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6530 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6531 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6532 && gameMode != AnalyzeFile && gameMode != Training) {
6533 DisplayMoveError(_("Displayed position is not current"));
6540 OnlyMove (int *x, int *y, Boolean captures)
6542 DisambiguateClosure cl;
6543 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6545 case MachinePlaysBlack:
6546 case IcsPlayingWhite:
6547 case BeginningOfGame:
6548 if(!WhiteOnMove(currentMove)) return FALSE;
6550 case MachinePlaysWhite:
6551 case IcsPlayingBlack:
6552 if(WhiteOnMove(currentMove)) return FALSE;
6559 cl.pieceIn = EmptySquare;
6564 cl.promoCharIn = NULLCHAR;
6565 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6566 if( cl.kind == NormalMove ||
6567 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6568 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6569 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6576 if(cl.kind != ImpossibleMove) return FALSE;
6577 cl.pieceIn = EmptySquare;
6582 cl.promoCharIn = NULLCHAR;
6583 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6584 if( cl.kind == NormalMove ||
6585 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6586 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6587 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6592 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6598 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6599 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6600 int lastLoadGameUseList = FALSE;
6601 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6602 ChessMove lastLoadGameStart = EndOfFile;
6606 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6610 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6612 /* Check if the user is playing in turn. This is complicated because we
6613 let the user "pick up" a piece before it is his turn. So the piece he
6614 tried to pick up may have been captured by the time he puts it down!
6615 Therefore we use the color the user is supposed to be playing in this
6616 test, not the color of the piece that is currently on the starting
6617 square---except in EditGame mode, where the user is playing both
6618 sides; fortunately there the capture race can't happen. (It can
6619 now happen in IcsExamining mode, but that's just too bad. The user
6620 will get a somewhat confusing message in that case.)
6625 case TwoMachinesPlay:
6629 /* We switched into a game mode where moves are not accepted,
6630 perhaps while the mouse button was down. */
6633 case MachinePlaysWhite:
6634 /* User is moving for Black */
6635 if (WhiteOnMove(currentMove)) {
6636 DisplayMoveError(_("It is White's turn"));
6641 case MachinePlaysBlack:
6642 /* User is moving for White */
6643 if (!WhiteOnMove(currentMove)) {
6644 DisplayMoveError(_("It is Black's turn"));
6649 case PlayFromGameFile:
6650 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6653 case BeginningOfGame:
6656 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6657 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6658 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6659 /* User is moving for Black */
6660 if (WhiteOnMove(currentMove)) {
6661 DisplayMoveError(_("It is White's turn"));
6665 /* User is moving for White */
6666 if (!WhiteOnMove(currentMove)) {
6667 DisplayMoveError(_("It is Black's turn"));
6673 case IcsPlayingBlack:
6674 /* User is moving for Black */
6675 if (WhiteOnMove(currentMove)) {
6676 if (!appData.premove) {
6677 DisplayMoveError(_("It is White's turn"));
6678 } else if (toX >= 0 && toY >= 0) {
6681 premoveFromX = fromX;
6682 premoveFromY = fromY;
6683 premovePromoChar = promoChar;
6685 if (appData.debugMode)
6686 fprintf(debugFP, "Got premove: fromX %d,"
6687 "fromY %d, toX %d, toY %d\n",
6688 fromX, fromY, toX, toY);
6694 case IcsPlayingWhite:
6695 /* User is moving for White */
6696 if (!WhiteOnMove(currentMove)) {
6697 if (!appData.premove) {
6698 DisplayMoveError(_("It is Black's turn"));
6699 } else if (toX >= 0 && toY >= 0) {
6702 premoveFromX = fromX;
6703 premoveFromY = fromY;
6704 premovePromoChar = promoChar;
6706 if (appData.debugMode)
6707 fprintf(debugFP, "Got premove: fromX %d,"
6708 "fromY %d, toX %d, toY %d\n",
6709 fromX, fromY, toX, toY);
6719 /* EditPosition, empty square, or different color piece;
6720 click-click move is possible */
6721 if (toX == -2 || toY == -2) {
6722 boards[0][fromY][fromX] = EmptySquare;
6723 DrawPosition(FALSE, boards[currentMove]);
6725 } else if (toX >= 0 && toY >= 0) {
6726 boards[0][toY][toX] = boards[0][fromY][fromX];
6727 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6728 if(boards[0][fromY][0] != EmptySquare) {
6729 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6730 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6733 if(fromX == BOARD_RGHT+1) {
6734 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6735 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6736 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6739 boards[0][fromY][fromX] = gatingPiece;
6740 DrawPosition(FALSE, boards[currentMove]);
6746 if(toX < 0 || toY < 0) return;
6747 pup = boards[currentMove][toY][toX];
6749 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6750 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6751 if( pup != EmptySquare ) return;
6752 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6753 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6754 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6755 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6756 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6757 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6758 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6762 /* [HGM] always test for legality, to get promotion info */
6763 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6764 fromY, fromX, toY, toX, promoChar);
6766 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6768 /* [HGM] but possibly ignore an IllegalMove result */
6769 if (appData.testLegality) {
6770 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6771 DisplayMoveError(_("Illegal move"));
6776 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6777 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6778 ClearPremoveHighlights(); // was included
6779 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6783 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6786 /* Common tail of UserMoveEvent and DropMenuEvent */
6788 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6792 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6793 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6794 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6795 if(WhiteOnMove(currentMove)) {
6796 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6798 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6802 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6803 move type in caller when we know the move is a legal promotion */
6804 if(moveType == NormalMove && promoChar)
6805 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6807 /* [HGM] <popupFix> The following if has been moved here from
6808 UserMoveEvent(). Because it seemed to belong here (why not allow
6809 piece drops in training games?), and because it can only be
6810 performed after it is known to what we promote. */
6811 if (gameMode == Training) {
6812 /* compare the move played on the board to the next move in the
6813 * game. If they match, display the move and the opponent's response.
6814 * If they don't match, display an error message.
6818 CopyBoard(testBoard, boards[currentMove]);
6819 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6821 if (CompareBoards(testBoard, boards[currentMove+1])) {
6822 ForwardInner(currentMove+1);
6824 /* Autoplay the opponent's response.
6825 * if appData.animate was TRUE when Training mode was entered,
6826 * the response will be animated.
6828 saveAnimate = appData.animate;
6829 appData.animate = animateTraining;
6830 ForwardInner(currentMove+1);
6831 appData.animate = saveAnimate;
6833 /* check for the end of the game */
6834 if (currentMove >= forwardMostMove) {
6835 gameMode = PlayFromGameFile;
6837 SetTrainingModeOff();
6838 DisplayInformation(_("End of game"));
6841 DisplayError(_("Incorrect move"), 0);
6846 /* Ok, now we know that the move is good, so we can kill
6847 the previous line in Analysis Mode */
6848 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6849 && currentMove < forwardMostMove) {
6850 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6851 else forwardMostMove = currentMove;
6856 /* If we need the chess program but it's dead, restart it */
6857 ResurrectChessProgram();
6859 /* A user move restarts a paused game*/
6863 thinkOutput[0] = NULLCHAR;
6865 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6867 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6868 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6872 if (gameMode == BeginningOfGame) {
6873 if (appData.noChessProgram) {
6874 gameMode = EditGame;
6878 gameMode = MachinePlaysBlack;
6881 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6883 if (first.sendName) {
6884 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6885 SendToProgram(buf, &first);
6892 /* Relay move to ICS or chess engine */
6893 if (appData.icsActive) {
6894 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6895 gameMode == IcsExamining) {
6896 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6897 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6899 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6901 // also send plain move, in case ICS does not understand atomic claims
6902 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6906 if (first.sendTime && (gameMode == BeginningOfGame ||
6907 gameMode == MachinePlaysWhite ||
6908 gameMode == MachinePlaysBlack)) {
6909 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6911 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6912 // [HGM] book: if program might be playing, let it use book
6913 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6914 first.maybeThinking = TRUE;
6915 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6916 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6917 SendBoard(&first, currentMove+1);
6918 if(second.analyzing) {
6919 if(!second.useSetboard) SendToProgram("undo\n", &second);
6920 SendBoard(&second, currentMove+1);
6923 SendMoveToProgram(forwardMostMove-1, &first);
6924 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6926 if (currentMove == cmailOldMove + 1) {
6927 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6931 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6935 if(appData.testLegality)
6936 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6942 if (WhiteOnMove(currentMove)) {
6943 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6945 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6949 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6954 case MachinePlaysBlack:
6955 case MachinePlaysWhite:
6956 /* disable certain menu options while machine is thinking */
6957 SetMachineThinkingEnables();
6964 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6965 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6967 if(bookHit) { // [HGM] book: simulate book reply
6968 static char bookMove[MSG_SIZ]; // a bit generous?
6970 programStats.nodes = programStats.depth = programStats.time =
6971 programStats.score = programStats.got_only_move = 0;
6972 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6974 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6975 strcat(bookMove, bookHit);
6976 HandleMachineMove(bookMove, &first);
6982 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6984 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6985 Markers *m = (Markers *) closure;
6986 if(rf == fromY && ff == fromX)
6987 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6988 || kind == WhiteCapturesEnPassant
6989 || kind == BlackCapturesEnPassant);
6990 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6994 MarkTargetSquares (int clear)
6997 if(clear) // no reason to ever suppress clearing
6998 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6999 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7000 !appData.testLegality || gameMode == EditPosition) return;
7003 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7004 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7005 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7007 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7010 DrawPosition(FALSE, NULL);
7014 Explode (Board board, int fromX, int fromY, int toX, int toY)
7016 if(gameInfo.variant == VariantAtomic &&
7017 (board[toY][toX] != EmptySquare || // capture?
7018 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7019 board[fromY][fromX] == BlackPawn )
7021 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7027 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7030 CanPromote (ChessSquare piece, int y)
7032 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7033 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7034 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7035 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7036 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7037 gameInfo.variant == VariantMakruk) return FALSE;
7038 return (piece == BlackPawn && y == 1 ||
7039 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7040 piece == BlackLance && y == 1 ||
7041 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7045 LeftClick (ClickType clickType, int xPix, int yPix)
7048 Boolean saveAnimate;
7049 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7050 char promoChoice = NULLCHAR;
7052 static TimeMark lastClickTime, prevClickTime;
7054 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7056 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7058 if (clickType == Press) ErrorPopDown();
7060 x = EventToSquare(xPix, BOARD_WIDTH);
7061 y = EventToSquare(yPix, BOARD_HEIGHT);
7062 if (!flipView && y >= 0) {
7063 y = BOARD_HEIGHT - 1 - y;
7065 if (flipView && x >= 0) {
7066 x = BOARD_WIDTH - 1 - x;
7069 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7070 defaultPromoChoice = promoSweep;
7071 promoSweep = EmptySquare; // terminate sweep
7072 promoDefaultAltered = TRUE;
7073 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7076 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7077 if(clickType == Release) return; // ignore upclick of click-click destination
7078 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7079 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7080 if(gameInfo.holdingsWidth &&
7081 (WhiteOnMove(currentMove)
7082 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7083 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7084 // click in right holdings, for determining promotion piece
7085 ChessSquare p = boards[currentMove][y][x];
7086 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7087 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7088 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7089 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7094 DrawPosition(FALSE, boards[currentMove]);
7098 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7099 if(clickType == Press
7100 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7101 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7102 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7105 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7106 // could be static click on premove from-square: abort premove
7108 ClearPremoveHighlights();
7111 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7112 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7114 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7115 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7116 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7117 defaultPromoChoice = DefaultPromoChoice(side);
7120 autoQueen = appData.alwaysPromoteToQueen;
7124 gatingPiece = EmptySquare;
7125 if (clickType != Press) {
7126 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7127 DragPieceEnd(xPix, yPix); dragging = 0;
7128 DrawPosition(FALSE, NULL);
7132 doubleClick = FALSE;
7133 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7134 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7136 fromX = x; fromY = y; toX = toY = -1;
7137 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7138 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7139 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7141 if (OKToStartUserMove(fromX, fromY)) {
7143 MarkTargetSquares(0);
7144 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7145 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7146 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7147 promoSweep = defaultPromoChoice;
7148 selectFlag = 0; lastX = xPix; lastY = yPix;
7149 Sweep(0); // Pawn that is going to promote: preview promotion piece
7150 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7152 if (appData.highlightDragging) {
7153 SetHighlights(fromX, fromY, -1, -1);
7157 } else fromX = fromY = -1;
7163 if (clickType == Press && gameMode != EditPosition) {
7168 // ignore off-board to clicks
7169 if(y < 0 || x < 0) return;
7171 /* Check if clicking again on the same color piece */
7172 fromP = boards[currentMove][fromY][fromX];
7173 toP = boards[currentMove][y][x];
7174 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7175 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7176 WhitePawn <= toP && toP <= WhiteKing &&
7177 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7178 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7179 (BlackPawn <= fromP && fromP <= BlackKing &&
7180 BlackPawn <= toP && toP <= BlackKing &&
7181 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7182 !(fromP == BlackKing && toP == BlackRook && frc))) {
7183 /* Clicked again on same color piece -- changed his mind */
7184 second = (x == fromX && y == fromY);
7185 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7186 second = FALSE; // first double-click rather than scond click
7187 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7189 promoDefaultAltered = FALSE;
7190 MarkTargetSquares(1);
7191 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7192 if (appData.highlightDragging) {
7193 SetHighlights(x, y, -1, -1);
7197 if (OKToStartUserMove(x, y)) {
7198 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7199 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7200 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7201 gatingPiece = boards[currentMove][fromY][fromX];
7202 else gatingPiece = doubleClick ? fromP : EmptySquare;
7204 fromY = y; dragging = 1;
7205 MarkTargetSquares(0);
7206 DragPieceBegin(xPix, yPix, FALSE);
7207 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7208 promoSweep = defaultPromoChoice;
7209 selectFlag = 0; lastX = xPix; lastY = yPix;
7210 Sweep(0); // Pawn that is going to promote: preview promotion piece
7214 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7217 // ignore clicks on holdings
7218 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7221 if (clickType == Release && x == fromX && y == fromY) {
7222 DragPieceEnd(xPix, yPix); dragging = 0;
7224 // a deferred attempt to click-click move an empty square on top of a piece
7225 boards[currentMove][y][x] = EmptySquare;
7227 DrawPosition(FALSE, boards[currentMove]);
7228 fromX = fromY = -1; clearFlag = 0;
7231 if (appData.animateDragging) {
7232 /* Undo animation damage if any */
7233 DrawPosition(FALSE, NULL);
7235 if (second || sweepSelecting) {
7236 /* Second up/down in same square; just abort move */
7237 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7238 second = sweepSelecting = 0;
7240 gatingPiece = EmptySquare;
7243 ClearPremoveHighlights();
7245 /* First upclick in same square; start click-click mode */
7246 SetHighlights(x, y, -1, -1);
7253 /* we now have a different from- and (possibly off-board) to-square */
7254 /* Completed move */
7255 if(!sweepSelecting) {
7258 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7260 saveAnimate = appData.animate;
7261 if (clickType == Press) {
7262 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7263 // must be Edit Position mode with empty-square selected
7264 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7265 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7268 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7269 if(appData.sweepSelect) {
7270 ChessSquare piece = boards[currentMove][fromY][fromX];
7271 promoSweep = defaultPromoChoice;
7272 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7273 selectFlag = 0; lastX = xPix; lastY = yPix;
7274 Sweep(0); // Pawn that is going to promote: preview promotion piece
7276 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7277 MarkTargetSquares(1);
7279 return; // promo popup appears on up-click
7281 /* Finish clickclick move */
7282 if (appData.animate || appData.highlightLastMove) {
7283 SetHighlights(fromX, fromY, toX, toY);
7289 // [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
7290 /* Finish drag move */
7291 if (appData.highlightLastMove) {
7292 SetHighlights(fromX, fromY, toX, toY);
7297 DragPieceEnd(xPix, yPix); dragging = 0;
7298 /* Don't animate move and drag both */
7299 appData.animate = FALSE;
7302 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7303 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7304 ChessSquare piece = boards[currentMove][fromY][fromX];
7305 if(gameMode == EditPosition && piece != EmptySquare &&
7306 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7309 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7310 n = PieceToNumber(piece - (int)BlackPawn);
7311 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7312 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7313 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7315 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7316 n = PieceToNumber(piece);
7317 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7318 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7319 boards[currentMove][n][BOARD_WIDTH-2]++;
7321 boards[currentMove][fromY][fromX] = EmptySquare;
7325 MarkTargetSquares(1);
7326 DrawPosition(TRUE, boards[currentMove]);
7330 // off-board moves should not be highlighted
7331 if(x < 0 || y < 0) ClearHighlights();
7333 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7335 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7336 SetHighlights(fromX, fromY, toX, toY);
7337 MarkTargetSquares(1);
7338 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7339 // [HGM] super: promotion to captured piece selected from holdings
7340 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7341 promotionChoice = TRUE;
7342 // kludge follows to temporarily execute move on display, without promoting yet
7343 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7344 boards[currentMove][toY][toX] = p;
7345 DrawPosition(FALSE, boards[currentMove]);
7346 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7347 boards[currentMove][toY][toX] = q;
7348 DisplayMessage("Click in holdings to choose piece", "");
7353 int oldMove = currentMove;
7354 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7355 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7356 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7357 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7358 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7359 DrawPosition(TRUE, boards[currentMove]);
7360 MarkTargetSquares(1);
7363 appData.animate = saveAnimate;
7364 if (appData.animate || appData.animateDragging) {
7365 /* Undo animation damage if needed */
7366 DrawPosition(FALSE, NULL);
7371 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7372 { // front-end-free part taken out of PieceMenuPopup
7373 int whichMenu; int xSqr, ySqr;
7375 if(seekGraphUp) { // [HGM] seekgraph
7376 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7377 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7381 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7382 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7383 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7384 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7385 if(action == Press) {
7386 originalFlip = flipView;
7387 flipView = !flipView; // temporarily flip board to see game from partners perspective
7388 DrawPosition(TRUE, partnerBoard);
7389 DisplayMessage(partnerStatus, "");
7391 } else if(action == Release) {
7392 flipView = originalFlip;
7393 DrawPosition(TRUE, boards[currentMove]);
7399 xSqr = EventToSquare(x, BOARD_WIDTH);
7400 ySqr = EventToSquare(y, BOARD_HEIGHT);
7401 if (action == Release) {
7402 if(pieceSweep != EmptySquare) {
7403 EditPositionMenuEvent(pieceSweep, toX, toY);
7404 pieceSweep = EmptySquare;
7405 } else UnLoadPV(); // [HGM] pv
7407 if (action != Press) return -2; // return code to be ignored
7410 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7412 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7413 if (xSqr < 0 || ySqr < 0) return -1;
7414 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7415 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7416 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7417 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7421 if(!appData.icsEngineAnalyze) return -1;
7422 case IcsPlayingWhite:
7423 case IcsPlayingBlack:
7424 if(!appData.zippyPlay) goto noZip;
7427 case MachinePlaysWhite:
7428 case MachinePlaysBlack:
7429 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7430 if (!appData.dropMenu) {
7432 return 2; // flag front-end to grab mouse events
7434 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7435 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7438 if (xSqr < 0 || ySqr < 0) return -1;
7439 if (!appData.dropMenu || appData.testLegality &&
7440 gameInfo.variant != VariantBughouse &&
7441 gameInfo.variant != VariantCrazyhouse) return -1;
7442 whichMenu = 1; // drop menu
7448 if (((*fromX = xSqr) < 0) ||
7449 ((*fromY = ySqr) < 0)) {
7450 *fromX = *fromY = -1;
7454 *fromX = BOARD_WIDTH - 1 - *fromX;
7456 *fromY = BOARD_HEIGHT - 1 - *fromY;
7462 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7464 // char * hint = lastHint;
7465 FrontEndProgramStats stats;
7467 stats.which = cps == &first ? 0 : 1;
7468 stats.depth = cpstats->depth;
7469 stats.nodes = cpstats->nodes;
7470 stats.score = cpstats->score;
7471 stats.time = cpstats->time;
7472 stats.pv = cpstats->movelist;
7473 stats.hint = lastHint;
7474 stats.an_move_index = 0;
7475 stats.an_move_count = 0;
7477 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7478 stats.hint = cpstats->move_name;
7479 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7480 stats.an_move_count = cpstats->nr_moves;
7483 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
7485 SetProgramStats( &stats );
7489 ClearEngineOutputPane (int which)
7491 static FrontEndProgramStats dummyStats;
7492 dummyStats.which = which;
7493 dummyStats.pv = "#";
7494 SetProgramStats( &dummyStats );
7497 #define MAXPLAYERS 500
7500 TourneyStandings (int display)
7502 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7503 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7504 char result, *p, *names[MAXPLAYERS];
7506 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7507 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7508 names[0] = p = strdup(appData.participants);
7509 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7511 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7513 while(result = appData.results[nr]) {
7514 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7515 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7516 wScore = bScore = 0;
7518 case '+': wScore = 2; break;
7519 case '-': bScore = 2; break;
7520 case '=': wScore = bScore = 1; break;
7522 case '*': return strdup("busy"); // tourney not finished
7530 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7531 for(w=0; w<nPlayers; w++) {
7533 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7534 ranking[w] = b; points[w] = bScore; score[b] = -2;
7536 p = malloc(nPlayers*34+1);
7537 for(w=0; w<nPlayers && w<display; w++)
7538 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7544 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7545 { // count all piece types
7547 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7548 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7549 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7552 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7553 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7554 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7555 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7556 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7557 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7562 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7564 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7565 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7567 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7568 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7569 if(myPawns == 2 && nMine == 3) // KPP
7570 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7571 if(myPawns == 1 && nMine == 2) // KP
7572 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7573 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7574 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7575 if(myPawns) return FALSE;
7576 if(pCnt[WhiteRook+side])
7577 return pCnt[BlackRook-side] ||
7578 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7579 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7580 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7581 if(pCnt[WhiteCannon+side]) {
7582 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7583 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7585 if(pCnt[WhiteKnight+side])
7586 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7591 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7593 VariantClass v = gameInfo.variant;
7595 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7596 if(v == VariantShatranj) return TRUE; // always winnable through baring
7597 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7598 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7600 if(v == VariantXiangqi) {
7601 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7603 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7604 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7605 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7606 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7607 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7608 if(stale) // we have at least one last-rank P plus perhaps C
7609 return majors // KPKX
7610 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7612 return pCnt[WhiteFerz+side] // KCAK
7613 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7614 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7615 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7617 } else if(v == VariantKnightmate) {
7618 if(nMine == 1) return FALSE;
7619 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7620 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7621 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7623 if(nMine == 1) return FALSE; // bare King
7624 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
7625 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7626 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7627 // by now we have King + 1 piece (or multiple Bishops on the same color)
7628 if(pCnt[WhiteKnight+side])
7629 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7630 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7631 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7633 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7634 if(pCnt[WhiteAlfil+side])
7635 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7636 if(pCnt[WhiteWazir+side])
7637 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7644 CompareWithRights (Board b1, Board b2)
7647 if(!CompareBoards(b1, b2)) return FALSE;
7648 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7649 /* compare castling rights */
7650 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7651 rights++; /* King lost rights, while rook still had them */
7652 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7653 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7654 rights++; /* but at least one rook lost them */
7656 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7658 if( b1[CASTLING][5] != NoRights ) {
7659 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7666 Adjudicate (ChessProgramState *cps)
7667 { // [HGM] some adjudications useful with buggy engines
7668 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7669 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7670 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7671 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7672 int k, drop, count = 0; static int bare = 1;
7673 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7674 Boolean canAdjudicate = !appData.icsActive;
7676 // most tests only when we understand the game, i.e. legality-checking on
7677 if( appData.testLegality )
7678 { /* [HGM] Some more adjudications for obstinate engines */
7679 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7680 static int moveCount = 6;
7682 char *reason = NULL;
7684 /* Count what is on board. */
7685 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7687 /* Some material-based adjudications that have to be made before stalemate test */
7688 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7689 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7690 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7691 if(canAdjudicate && appData.checkMates) {
7693 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7694 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7695 "Xboard adjudication: King destroyed", GE_XBOARD );
7700 /* Bare King in Shatranj (loses) or Losers (wins) */
7701 if( nrW == 1 || nrB == 1) {
7702 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7703 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7704 if(canAdjudicate && appData.checkMates) {
7706 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7707 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7708 "Xboard adjudication: Bare king", GE_XBOARD );
7712 if( gameInfo.variant == VariantShatranj && --bare < 0)
7714 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7715 if(canAdjudicate && appData.checkMates) {
7716 /* but only adjudicate if adjudication enabled */
7718 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7719 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7720 "Xboard adjudication: Bare king", GE_XBOARD );
7727 // don't wait for engine to announce game end if we can judge ourselves
7728 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7730 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7731 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7732 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7733 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7736 reason = "Xboard adjudication: 3rd check";
7737 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7747 reason = "Xboard adjudication: Stalemate";
7748 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7749 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7750 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7751 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7752 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7753 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7754 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7755 EP_CHECKMATE : EP_WINS);
7756 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7757 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7761 reason = "Xboard adjudication: Checkmate";
7762 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7766 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7768 result = GameIsDrawn; break;
7770 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7772 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7776 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7778 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7779 GameEnds( result, reason, GE_XBOARD );
7783 /* Next absolutely insufficient mating material. */
7784 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7785 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7786 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7788 /* always flag draws, for judging claims */
7789 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7791 if(canAdjudicate && appData.materialDraws) {
7792 /* but only adjudicate them if adjudication enabled */
7793 if(engineOpponent) {
7794 SendToProgram("force\n", engineOpponent); // suppress reply
7795 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7797 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7802 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7803 if(gameInfo.variant == VariantXiangqi ?
7804 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7806 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7807 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7808 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7809 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7811 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7812 { /* if the first 3 moves do not show a tactical win, declare draw */
7813 if(engineOpponent) {
7814 SendToProgram("force\n", engineOpponent); // suppress reply
7815 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7817 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7820 } else moveCount = 6;
7823 // Repetition draws and 50-move rule can be applied independently of legality testing
7825 /* Check for rep-draws */
7827 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7828 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7829 for(k = forwardMostMove-2;
7830 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7831 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7832 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7835 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7836 /* compare castling rights */
7837 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7838 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7839 rights++; /* King lost rights, while rook still had them */
7840 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7841 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7842 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7843 rights++; /* but at least one rook lost them */
7845 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7846 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7848 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7849 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7850 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7853 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7854 && appData.drawRepeats > 1) {
7855 /* adjudicate after user-specified nr of repeats */
7856 int result = GameIsDrawn;
7857 char *details = "XBoard adjudication: repetition draw";
7858 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7859 // [HGM] xiangqi: check for forbidden perpetuals
7860 int m, ourPerpetual = 1, hisPerpetual = 1;
7861 for(m=forwardMostMove; m>k; m-=2) {
7862 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7863 ourPerpetual = 0; // the current mover did not always check
7864 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7865 hisPerpetual = 0; // the opponent did not always check
7867 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7868 ourPerpetual, hisPerpetual);
7869 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7870 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7871 details = "Xboard adjudication: perpetual checking";
7873 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7874 break; // (or we would have caught him before). Abort repetition-checking loop.
7876 // Now check for perpetual chases
7877 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7878 hisPerpetual = PerpetualChase(k, forwardMostMove);
7879 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7880 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7881 static char resdet[MSG_SIZ];
7882 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7884 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7886 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7887 break; // Abort repetition-checking loop.
7889 // if neither of us is checking or chasing all the time, or both are, it is draw
7891 if(engineOpponent) {
7892 SendToProgram("force\n", engineOpponent); // suppress reply
7893 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7895 GameEnds( result, details, GE_XBOARD );
7898 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7899 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7903 /* Now we test for 50-move draws. Determine ply count */
7904 count = forwardMostMove;
7905 /* look for last irreversble move */
7906 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7908 /* if we hit starting position, add initial plies */
7909 if( count == backwardMostMove )
7910 count -= initialRulePlies;
7911 count = forwardMostMove - count;
7912 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7913 // adjust reversible move counter for checks in Xiangqi
7914 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7915 if(i < backwardMostMove) i = backwardMostMove;
7916 while(i <= forwardMostMove) {
7917 lastCheck = inCheck; // check evasion does not count
7918 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7919 if(inCheck || lastCheck) count--; // check does not count
7924 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7925 /* this is used to judge if draw claims are legal */
7926 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7927 if(engineOpponent) {
7928 SendToProgram("force\n", engineOpponent); // suppress reply
7929 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7931 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7935 /* if draw offer is pending, treat it as a draw claim
7936 * when draw condition present, to allow engines a way to
7937 * claim draws before making their move to avoid a race
7938 * condition occurring after their move
7940 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7942 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7943 p = "Draw claim: 50-move rule";
7944 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7945 p = "Draw claim: 3-fold repetition";
7946 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7947 p = "Draw claim: insufficient mating material";
7948 if( p != NULL && canAdjudicate) {
7949 if(engineOpponent) {
7950 SendToProgram("force\n", engineOpponent); // suppress reply
7951 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7953 GameEnds( GameIsDrawn, p, GE_XBOARD );
7958 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7959 if(engineOpponent) {
7960 SendToProgram("force\n", engineOpponent); // suppress reply
7961 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7963 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7970 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7971 { // [HGM] book: this routine intercepts moves to simulate book replies
7972 char *bookHit = NULL;
7974 //first determine if the incoming move brings opponent into his book
7975 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7976 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7977 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7978 if(bookHit != NULL && !cps->bookSuspend) {
7979 // make sure opponent is not going to reply after receiving move to book position
7980 SendToProgram("force\n", cps);
7981 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7983 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7984 // now arrange restart after book miss
7986 // after a book hit we never send 'go', and the code after the call to this routine
7987 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7988 char buf[MSG_SIZ], *move = bookHit;
7990 int fromX, fromY, toX, toY;
7994 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7995 &fromX, &fromY, &toX, &toY, &promoChar)) {
7996 (void) CoordsToAlgebraic(boards[forwardMostMove],
7997 PosFlags(forwardMostMove),
7998 fromY, fromX, toY, toX, promoChar, move);
8000 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8004 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8005 SendToProgram(buf, cps);
8006 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8007 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8008 SendToProgram("go\n", cps);
8009 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8010 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8011 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8012 SendToProgram("go\n", cps);
8013 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8015 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8019 LoadError (char *errmess, ChessProgramState *cps)
8020 { // unloads engine and switches back to -ncp mode if it was first
8021 if(cps->initDone) return FALSE;
8022 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8023 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8026 appData.noChessProgram = TRUE;
8027 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8028 gameMode = BeginningOfGame; ModeHighlight();
8031 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8032 DisplayMessage("", ""); // erase waiting message
8033 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8038 ChessProgramState *savedState;
8040 DeferredBookMove (void)
8042 if(savedState->lastPing != savedState->lastPong)
8043 ScheduleDelayedEvent(DeferredBookMove, 10);
8045 HandleMachineMove(savedMessage, savedState);
8048 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8049 static ChessProgramState *stalledEngine;
8050 static char stashedInputMove[MSG_SIZ];
8053 HandleMachineMove (char *message, ChessProgramState *cps)
8055 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8056 char realname[MSG_SIZ];
8057 int fromX, fromY, toX, toY;
8061 int machineWhite, oldError;
8064 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8065 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8066 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8067 DisplayError(_("Invalid pairing from pairing engine"), 0);
8070 pairingReceived = 1;
8072 return; // Skim the pairing messages here.
8075 oldError = cps->userError; cps->userError = 0;
8077 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8079 * Kludge to ignore BEL characters
8081 while (*message == '\007') message++;
8084 * [HGM] engine debug message: ignore lines starting with '#' character
8086 if(cps->debug && *message == '#') return;
8089 * Look for book output
8091 if (cps == &first && bookRequested) {
8092 if (message[0] == '\t' || message[0] == ' ') {
8093 /* Part of the book output is here; append it */
8094 strcat(bookOutput, message);
8095 strcat(bookOutput, " \n");
8097 } else if (bookOutput[0] != NULLCHAR) {
8098 /* All of book output has arrived; display it */
8099 char *p = bookOutput;
8100 while (*p != NULLCHAR) {
8101 if (*p == '\t') *p = ' ';
8104 DisplayInformation(bookOutput);
8105 bookRequested = FALSE;
8106 /* Fall through to parse the current output */
8111 * Look for machine move.
8113 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8114 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8116 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8117 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8118 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8119 stalledEngine = cps;
8120 if(appData.ponderNextMove) { // bring opponent out of ponder
8121 if(gameMode == TwoMachinesPlay) {
8122 if(cps->other->pause)
8123 PauseEngine(cps->other);
8125 SendToProgram("easy\n", cps->other);
8132 /* This method is only useful on engines that support ping */
8133 if (cps->lastPing != cps->lastPong) {
8134 if (gameMode == BeginningOfGame) {
8135 /* Extra move from before last new; ignore */
8136 if (appData.debugMode) {
8137 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8140 if (appData.debugMode) {
8141 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8142 cps->which, gameMode);
8145 SendToProgram("undo\n", cps);
8151 case BeginningOfGame:
8152 /* Extra move from before last reset; ignore */
8153 if (appData.debugMode) {
8154 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8161 /* Extra move after we tried to stop. The mode test is
8162 not a reliable way of detecting this problem, but it's
8163 the best we can do on engines that don't support ping.
8165 if (appData.debugMode) {
8166 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8167 cps->which, gameMode);
8169 SendToProgram("undo\n", cps);
8172 case MachinePlaysWhite:
8173 case IcsPlayingWhite:
8174 machineWhite = TRUE;
8177 case MachinePlaysBlack:
8178 case IcsPlayingBlack:
8179 machineWhite = FALSE;
8182 case TwoMachinesPlay:
8183 machineWhite = (cps->twoMachinesColor[0] == 'w');
8186 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8187 if (appData.debugMode) {
8189 "Ignoring move out of turn by %s, gameMode %d"
8190 ", forwardMost %d\n",
8191 cps->which, gameMode, forwardMostMove);
8196 if(cps->alphaRank) AlphaRank(machineMove, 4);
8197 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8198 &fromX, &fromY, &toX, &toY, &promoChar)) {
8199 /* Machine move could not be parsed; ignore it. */
8200 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8201 machineMove, _(cps->which));
8202 DisplayError(buf1, 0);
8203 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8204 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8205 if (gameMode == TwoMachinesPlay) {
8206 GameEnds(machineWhite ? BlackWins : WhiteWins,
8212 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8213 /* So we have to redo legality test with true e.p. status here, */
8214 /* to make sure an illegal e.p. capture does not slip through, */
8215 /* to cause a forfeit on a justified illegal-move complaint */
8216 /* of the opponent. */
8217 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8219 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8220 fromY, fromX, toY, toX, promoChar);
8221 if(moveType == IllegalMove) {
8222 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8223 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8224 GameEnds(machineWhite ? BlackWins : WhiteWins,
8227 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8228 /* [HGM] Kludge to handle engines that send FRC-style castling
8229 when they shouldn't (like TSCP-Gothic) */
8231 case WhiteASideCastleFR:
8232 case BlackASideCastleFR:
8234 currentMoveString[2]++;
8236 case WhiteHSideCastleFR:
8237 case BlackHSideCastleFR:
8239 currentMoveString[2]--;
8241 default: ; // nothing to do, but suppresses warning of pedantic compilers
8244 hintRequested = FALSE;
8245 lastHint[0] = NULLCHAR;
8246 bookRequested = FALSE;
8247 /* Program may be pondering now */
8248 cps->maybeThinking = TRUE;
8249 if (cps->sendTime == 2) cps->sendTime = 1;
8250 if (cps->offeredDraw) cps->offeredDraw--;
8252 /* [AS] Save move info*/
8253 pvInfoList[ forwardMostMove ].score = programStats.score;
8254 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8255 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8257 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8259 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8260 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8263 while( count < adjudicateLossPlies ) {
8264 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8267 score = -score; /* Flip score for winning side */
8270 if( score > adjudicateLossThreshold ) {
8277 if( count >= adjudicateLossPlies ) {
8278 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8280 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8281 "Xboard adjudication",
8288 if(Adjudicate(cps)) {
8289 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8290 return; // [HGM] adjudicate: for all automatic game ends
8294 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8296 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8297 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8299 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8301 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8303 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8304 char buf[3*MSG_SIZ];
8306 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8307 programStats.score / 100.,
8309 programStats.time / 100.,
8310 (unsigned int)programStats.nodes,
8311 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8312 programStats.movelist);
8314 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8319 /* [AS] Clear stats for next move */
8320 ClearProgramStats();
8321 thinkOutput[0] = NULLCHAR;
8322 hiddenThinkOutputState = 0;
8325 if (gameMode == TwoMachinesPlay) {
8326 /* [HGM] relaying draw offers moved to after reception of move */
8327 /* and interpreting offer as claim if it brings draw condition */
8328 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8329 SendToProgram("draw\n", cps->other);
8331 if (cps->other->sendTime) {
8332 SendTimeRemaining(cps->other,
8333 cps->other->twoMachinesColor[0] == 'w');
8335 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8336 if (firstMove && !bookHit) {
8338 if (cps->other->useColors) {
8339 SendToProgram(cps->other->twoMachinesColor, cps->other);
8341 SendToProgram("go\n", cps->other);
8343 cps->other->maybeThinking = TRUE;
8346 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8348 if (!pausing && appData.ringBellAfterMoves) {
8353 * Reenable menu items that were disabled while
8354 * machine was thinking
8356 if (gameMode != TwoMachinesPlay)
8357 SetUserThinkingEnables();
8359 // [HGM] book: after book hit opponent has received move and is now in force mode
8360 // force the book reply into it, and then fake that it outputted this move by jumping
8361 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8363 static char bookMove[MSG_SIZ]; // a bit generous?
8365 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8366 strcat(bookMove, bookHit);
8369 programStats.nodes = programStats.depth = programStats.time =
8370 programStats.score = programStats.got_only_move = 0;
8371 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8373 if(cps->lastPing != cps->lastPong) {
8374 savedMessage = message; // args for deferred call
8376 ScheduleDelayedEvent(DeferredBookMove, 10);
8385 /* Set special modes for chess engines. Later something general
8386 * could be added here; for now there is just one kludge feature,
8387 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8388 * when "xboard" is given as an interactive command.
8390 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8391 cps->useSigint = FALSE;
8392 cps->useSigterm = FALSE;
8394 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8395 ParseFeatures(message+8, cps);
8396 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8399 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8400 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8401 int dummy, s=6; char buf[MSG_SIZ];
8402 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8403 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8404 if(startedFromSetupPosition) return;
8405 ParseFEN(boards[0], &dummy, message+s);
8406 DrawPosition(TRUE, boards[0]);
8407 startedFromSetupPosition = TRUE;
8410 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8411 * want this, I was asked to put it in, and obliged.
8413 if (!strncmp(message, "setboard ", 9)) {
8414 Board initial_position;
8416 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8418 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8419 DisplayError(_("Bad FEN received from engine"), 0);
8423 CopyBoard(boards[0], initial_position);
8424 initialRulePlies = FENrulePlies;
8425 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8426 else gameMode = MachinePlaysBlack;
8427 DrawPosition(FALSE, boards[currentMove]);
8433 * Look for communication commands
8435 if (!strncmp(message, "telluser ", 9)) {
8436 if(message[9] == '\\' && message[10] == '\\')
8437 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8439 DisplayNote(message + 9);
8442 if (!strncmp(message, "tellusererror ", 14)) {
8444 if(message[14] == '\\' && message[15] == '\\')
8445 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8447 DisplayError(message + 14, 0);
8450 if (!strncmp(message, "tellopponent ", 13)) {
8451 if (appData.icsActive) {
8453 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8457 DisplayNote(message + 13);
8461 if (!strncmp(message, "tellothers ", 11)) {
8462 if (appData.icsActive) {
8464 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8470 if (!strncmp(message, "tellall ", 8)) {
8471 if (appData.icsActive) {
8473 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8477 DisplayNote(message + 8);
8481 if (strncmp(message, "warning", 7) == 0) {
8482 /* Undocumented feature, use tellusererror in new code */
8483 DisplayError(message, 0);
8486 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8487 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8488 strcat(realname, " query");
8489 AskQuestion(realname, buf2, buf1, cps->pr);
8492 /* Commands from the engine directly to ICS. We don't allow these to be
8493 * sent until we are logged on. Crafty kibitzes have been known to
8494 * interfere with the login process.
8497 if (!strncmp(message, "tellics ", 8)) {
8498 SendToICS(message + 8);
8502 if (!strncmp(message, "tellicsnoalias ", 15)) {
8503 SendToICS(ics_prefix);
8504 SendToICS(message + 15);
8508 /* The following are for backward compatibility only */
8509 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8510 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8511 SendToICS(ics_prefix);
8517 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8521 * If the move is illegal, cancel it and redraw the board.
8522 * Also deal with other error cases. Matching is rather loose
8523 * here to accommodate engines written before the spec.
8525 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8526 strncmp(message, "Error", 5) == 0) {
8527 if (StrStr(message, "name") ||
8528 StrStr(message, "rating") || StrStr(message, "?") ||
8529 StrStr(message, "result") || StrStr(message, "board") ||
8530 StrStr(message, "bk") || StrStr(message, "computer") ||
8531 StrStr(message, "variant") || StrStr(message, "hint") ||
8532 StrStr(message, "random") || StrStr(message, "depth") ||
8533 StrStr(message, "accepted")) {
8536 if (StrStr(message, "protover")) {
8537 /* Program is responding to input, so it's apparently done
8538 initializing, and this error message indicates it is
8539 protocol version 1. So we don't need to wait any longer
8540 for it to initialize and send feature commands. */
8541 FeatureDone(cps, 1);
8542 cps->protocolVersion = 1;
8545 cps->maybeThinking = FALSE;
8547 if (StrStr(message, "draw")) {
8548 /* Program doesn't have "draw" command */
8549 cps->sendDrawOffers = 0;
8552 if (cps->sendTime != 1 &&
8553 (StrStr(message, "time") || StrStr(message, "otim"))) {
8554 /* Program apparently doesn't have "time" or "otim" command */
8558 if (StrStr(message, "analyze")) {
8559 cps->analysisSupport = FALSE;
8560 cps->analyzing = FALSE;
8561 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8562 EditGameEvent(); // [HGM] try to preserve loaded game
8563 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8564 DisplayError(buf2, 0);
8567 if (StrStr(message, "(no matching move)st")) {
8568 /* Special kludge for GNU Chess 4 only */
8569 cps->stKludge = TRUE;
8570 SendTimeControl(cps, movesPerSession, timeControl,
8571 timeIncrement, appData.searchDepth,
8575 if (StrStr(message, "(no matching move)sd")) {
8576 /* Special kludge for GNU Chess 4 only */
8577 cps->sdKludge = TRUE;
8578 SendTimeControl(cps, movesPerSession, timeControl,
8579 timeIncrement, appData.searchDepth,
8583 if (!StrStr(message, "llegal")) {
8586 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8587 gameMode == IcsIdle) return;
8588 if (forwardMostMove <= backwardMostMove) return;
8589 if (pausing) PauseEvent();
8590 if(appData.forceIllegal) {
8591 // [HGM] illegal: machine refused move; force position after move into it
8592 SendToProgram("force\n", cps);
8593 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8594 // we have a real problem now, as SendBoard will use the a2a3 kludge
8595 // when black is to move, while there might be nothing on a2 or black
8596 // might already have the move. So send the board as if white has the move.
8597 // But first we must change the stm of the engine, as it refused the last move
8598 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8599 if(WhiteOnMove(forwardMostMove)) {
8600 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8601 SendBoard(cps, forwardMostMove); // kludgeless board
8603 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8604 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8605 SendBoard(cps, forwardMostMove+1); // kludgeless board
8607 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8608 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8609 gameMode == TwoMachinesPlay)
8610 SendToProgram("go\n", cps);
8613 if (gameMode == PlayFromGameFile) {
8614 /* Stop reading this game file */
8615 gameMode = EditGame;
8618 /* [HGM] illegal-move claim should forfeit game when Xboard */
8619 /* only passes fully legal moves */
8620 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8621 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8622 "False illegal-move claim", GE_XBOARD );
8623 return; // do not take back move we tested as valid
8625 currentMove = forwardMostMove-1;
8626 DisplayMove(currentMove-1); /* before DisplayMoveError */
8627 SwitchClocks(forwardMostMove-1); // [HGM] race
8628 DisplayBothClocks();
8629 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8630 parseList[currentMove], _(cps->which));
8631 DisplayMoveError(buf1);
8632 DrawPosition(FALSE, boards[currentMove]);
8634 SetUserThinkingEnables();
8637 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8638 /* Program has a broken "time" command that
8639 outputs a string not ending in newline.
8645 * If chess program startup fails, exit with an error message.
8646 * Attempts to recover here are futile. [HGM] Well, we try anyway
8648 if ((StrStr(message, "unknown host") != NULL)
8649 || (StrStr(message, "No remote directory") != NULL)
8650 || (StrStr(message, "not found") != NULL)
8651 || (StrStr(message, "No such file") != NULL)
8652 || (StrStr(message, "can't alloc") != NULL)
8653 || (StrStr(message, "Permission denied") != NULL)) {
8655 cps->maybeThinking = FALSE;
8656 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8657 _(cps->which), cps->program, cps->host, message);
8658 RemoveInputSource(cps->isr);
8659 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8660 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8661 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8667 * Look for hint output
8669 if (sscanf(message, "Hint: %s", buf1) == 1) {
8670 if (cps == &first && hintRequested) {
8671 hintRequested = FALSE;
8672 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8673 &fromX, &fromY, &toX, &toY, &promoChar)) {
8674 (void) CoordsToAlgebraic(boards[forwardMostMove],
8675 PosFlags(forwardMostMove),
8676 fromY, fromX, toY, toX, promoChar, buf1);
8677 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8678 DisplayInformation(buf2);
8680 /* Hint move could not be parsed!? */
8681 snprintf(buf2, sizeof(buf2),
8682 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8683 buf1, _(cps->which));
8684 DisplayError(buf2, 0);
8687 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8693 * Ignore other messages if game is not in progress
8695 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8696 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8699 * look for win, lose, draw, or draw offer
8701 if (strncmp(message, "1-0", 3) == 0) {
8702 char *p, *q, *r = "";
8703 p = strchr(message, '{');
8711 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8713 } else if (strncmp(message, "0-1", 3) == 0) {
8714 char *p, *q, *r = "";
8715 p = strchr(message, '{');
8723 /* Kludge for Arasan 4.1 bug */
8724 if (strcmp(r, "Black resigns") == 0) {
8725 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8728 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8730 } else if (strncmp(message, "1/2", 3) == 0) {
8731 char *p, *q, *r = "";
8732 p = strchr(message, '{');
8741 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8744 } else if (strncmp(message, "White resign", 12) == 0) {
8745 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8747 } else if (strncmp(message, "Black resign", 12) == 0) {
8748 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8750 } else if (strncmp(message, "White matches", 13) == 0 ||
8751 strncmp(message, "Black matches", 13) == 0 ) {
8752 /* [HGM] ignore GNUShogi noises */
8754 } else if (strncmp(message, "White", 5) == 0 &&
8755 message[5] != '(' &&
8756 StrStr(message, "Black") == NULL) {
8757 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8759 } else if (strncmp(message, "Black", 5) == 0 &&
8760 message[5] != '(') {
8761 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8763 } else if (strcmp(message, "resign") == 0 ||
8764 strcmp(message, "computer resigns") == 0) {
8766 case MachinePlaysBlack:
8767 case IcsPlayingBlack:
8768 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8770 case MachinePlaysWhite:
8771 case IcsPlayingWhite:
8772 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8774 case TwoMachinesPlay:
8775 if (cps->twoMachinesColor[0] == 'w')
8776 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8778 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8785 } else if (strncmp(message, "opponent mates", 14) == 0) {
8787 case MachinePlaysBlack:
8788 case IcsPlayingBlack:
8789 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8791 case MachinePlaysWhite:
8792 case IcsPlayingWhite:
8793 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8795 case TwoMachinesPlay:
8796 if (cps->twoMachinesColor[0] == 'w')
8797 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8799 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8806 } else if (strncmp(message, "computer mates", 14) == 0) {
8808 case MachinePlaysBlack:
8809 case IcsPlayingBlack:
8810 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8812 case MachinePlaysWhite:
8813 case IcsPlayingWhite:
8814 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8816 case TwoMachinesPlay:
8817 if (cps->twoMachinesColor[0] == 'w')
8818 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8820 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8827 } else if (strncmp(message, "checkmate", 9) == 0) {
8828 if (WhiteOnMove(forwardMostMove)) {
8829 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8831 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8834 } else if (strstr(message, "Draw") != NULL ||
8835 strstr(message, "game is a draw") != NULL) {
8836 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8838 } else if (strstr(message, "offer") != NULL &&
8839 strstr(message, "draw") != NULL) {
8841 if (appData.zippyPlay && first.initDone) {
8842 /* Relay offer to ICS */
8843 SendToICS(ics_prefix);
8844 SendToICS("draw\n");
8847 cps->offeredDraw = 2; /* valid until this engine moves twice */
8848 if (gameMode == TwoMachinesPlay) {
8849 if (cps->other->offeredDraw) {
8850 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8851 /* [HGM] in two-machine mode we delay relaying draw offer */
8852 /* until after we also have move, to see if it is really claim */
8854 } else if (gameMode == MachinePlaysWhite ||
8855 gameMode == MachinePlaysBlack) {
8856 if (userOfferedDraw) {
8857 DisplayInformation(_("Machine accepts your draw offer"));
8858 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8860 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8867 * Look for thinking output
8869 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8870 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8872 int plylev, mvleft, mvtot, curscore, time;
8873 char mvname[MOVE_LEN];
8877 int prefixHint = FALSE;
8878 mvname[0] = NULLCHAR;
8881 case MachinePlaysBlack:
8882 case IcsPlayingBlack:
8883 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8885 case MachinePlaysWhite:
8886 case IcsPlayingWhite:
8887 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8892 case IcsObserving: /* [DM] icsEngineAnalyze */
8893 if (!appData.icsEngineAnalyze) ignore = TRUE;
8895 case TwoMachinesPlay:
8896 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8906 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8908 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8909 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8911 if (plyext != ' ' && plyext != '\t') {
8915 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8916 if( cps->scoreIsAbsolute &&
8917 ( gameMode == MachinePlaysBlack ||
8918 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8919 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8920 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8921 !WhiteOnMove(currentMove)
8924 curscore = -curscore;
8927 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8929 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8932 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8933 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8934 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8935 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8936 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8937 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8939 } else DisplayError(_("failed writing PV"), 0);
8942 tempStats.depth = plylev;
8943 tempStats.nodes = nodes;
8944 tempStats.time = time;
8945 tempStats.score = curscore;
8946 tempStats.got_only_move = 0;
8948 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8951 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8952 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8953 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8954 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8955 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8956 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8957 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8958 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8961 /* Buffer overflow protection */
8962 if (pv[0] != NULLCHAR) {
8963 if (strlen(pv) >= sizeof(tempStats.movelist)
8964 && appData.debugMode) {
8966 "PV is too long; using the first %u bytes.\n",
8967 (unsigned) sizeof(tempStats.movelist) - 1);
8970 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8972 sprintf(tempStats.movelist, " no PV\n");
8975 if (tempStats.seen_stat) {
8976 tempStats.ok_to_send = 1;
8979 if (strchr(tempStats.movelist, '(') != NULL) {
8980 tempStats.line_is_book = 1;
8981 tempStats.nr_moves = 0;
8982 tempStats.moves_left = 0;
8984 tempStats.line_is_book = 0;
8987 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8988 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8990 SendProgramStatsToFrontend( cps, &tempStats );
8993 [AS] Protect the thinkOutput buffer from overflow... this
8994 is only useful if buf1 hasn't overflowed first!
8996 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8998 (gameMode == TwoMachinesPlay ?
8999 ToUpper(cps->twoMachinesColor[0]) : ' '),
9000 ((double) curscore) / 100.0,
9001 prefixHint ? lastHint : "",
9002 prefixHint ? " " : "" );
9004 if( buf1[0] != NULLCHAR ) {
9005 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9007 if( strlen(pv) > max_len ) {
9008 if( appData.debugMode) {
9009 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9011 pv[max_len+1] = '\0';
9014 strcat( thinkOutput, pv);
9017 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9018 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9019 DisplayMove(currentMove - 1);
9023 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9024 /* crafty (9.25+) says "(only move) <move>"
9025 * if there is only 1 legal move
9027 sscanf(p, "(only move) %s", buf1);
9028 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9029 sprintf(programStats.movelist, "%s (only move)", buf1);
9030 programStats.depth = 1;
9031 programStats.nr_moves = 1;
9032 programStats.moves_left = 1;
9033 programStats.nodes = 1;
9034 programStats.time = 1;
9035 programStats.got_only_move = 1;
9037 /* Not really, but we also use this member to
9038 mean "line isn't going to change" (Crafty
9039 isn't searching, so stats won't change) */
9040 programStats.line_is_book = 1;
9042 SendProgramStatsToFrontend( cps, &programStats );
9044 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9045 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9046 DisplayMove(currentMove - 1);
9049 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9050 &time, &nodes, &plylev, &mvleft,
9051 &mvtot, mvname) >= 5) {
9052 /* The stat01: line is from Crafty (9.29+) in response
9053 to the "." command */
9054 programStats.seen_stat = 1;
9055 cps->maybeThinking = TRUE;
9057 if (programStats.got_only_move || !appData.periodicUpdates)
9060 programStats.depth = plylev;
9061 programStats.time = time;
9062 programStats.nodes = nodes;
9063 programStats.moves_left = mvleft;
9064 programStats.nr_moves = mvtot;
9065 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9066 programStats.ok_to_send = 1;
9067 programStats.movelist[0] = '\0';
9069 SendProgramStatsToFrontend( cps, &programStats );
9073 } else if (strncmp(message,"++",2) == 0) {
9074 /* Crafty 9.29+ outputs this */
9075 programStats.got_fail = 2;
9078 } else if (strncmp(message,"--",2) == 0) {
9079 /* Crafty 9.29+ outputs this */
9080 programStats.got_fail = 1;
9083 } else if (thinkOutput[0] != NULLCHAR &&
9084 strncmp(message, " ", 4) == 0) {
9085 unsigned message_len;
9088 while (*p && *p == ' ') p++;
9090 message_len = strlen( p );
9092 /* [AS] Avoid buffer overflow */
9093 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9094 strcat(thinkOutput, " ");
9095 strcat(thinkOutput, p);
9098 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9099 strcat(programStats.movelist, " ");
9100 strcat(programStats.movelist, p);
9103 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9104 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9105 DisplayMove(currentMove - 1);
9113 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9114 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9116 ChessProgramStats cpstats;
9118 if (plyext != ' ' && plyext != '\t') {
9122 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9123 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9124 curscore = -curscore;
9127 cpstats.depth = plylev;
9128 cpstats.nodes = nodes;
9129 cpstats.time = time;
9130 cpstats.score = curscore;
9131 cpstats.got_only_move = 0;
9132 cpstats.movelist[0] = '\0';
9134 if (buf1[0] != NULLCHAR) {
9135 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9138 cpstats.ok_to_send = 0;
9139 cpstats.line_is_book = 0;
9140 cpstats.nr_moves = 0;
9141 cpstats.moves_left = 0;
9143 SendProgramStatsToFrontend( cps, &cpstats );
9150 /* Parse a game score from the character string "game", and
9151 record it as the history of the current game. The game
9152 score is NOT assumed to start from the standard position.
9153 The display is not updated in any way.
9156 ParseGameHistory (char *game)
9159 int fromX, fromY, toX, toY, boardIndex;
9164 if (appData.debugMode)
9165 fprintf(debugFP, "Parsing game history: %s\n", game);
9167 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9168 gameInfo.site = StrSave(appData.icsHost);
9169 gameInfo.date = PGNDate();
9170 gameInfo.round = StrSave("-");
9172 /* Parse out names of players */
9173 while (*game == ' ') game++;
9175 while (*game != ' ') *p++ = *game++;
9177 gameInfo.white = StrSave(buf);
9178 while (*game == ' ') game++;
9180 while (*game != ' ' && *game != '\n') *p++ = *game++;
9182 gameInfo.black = StrSave(buf);
9185 boardIndex = blackPlaysFirst ? 1 : 0;
9188 yyboardindex = boardIndex;
9189 moveType = (ChessMove) Myylex();
9191 case IllegalMove: /* maybe suicide chess, etc. */
9192 if (appData.debugMode) {
9193 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9194 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9195 setbuf(debugFP, NULL);
9197 case WhitePromotion:
9198 case BlackPromotion:
9199 case WhiteNonPromotion:
9200 case BlackNonPromotion:
9202 case WhiteCapturesEnPassant:
9203 case BlackCapturesEnPassant:
9204 case WhiteKingSideCastle:
9205 case WhiteQueenSideCastle:
9206 case BlackKingSideCastle:
9207 case BlackQueenSideCastle:
9208 case WhiteKingSideCastleWild:
9209 case WhiteQueenSideCastleWild:
9210 case BlackKingSideCastleWild:
9211 case BlackQueenSideCastleWild:
9213 case WhiteHSideCastleFR:
9214 case WhiteASideCastleFR:
9215 case BlackHSideCastleFR:
9216 case BlackASideCastleFR:
9218 fromX = currentMoveString[0] - AAA;
9219 fromY = currentMoveString[1] - ONE;
9220 toX = currentMoveString[2] - AAA;
9221 toY = currentMoveString[3] - ONE;
9222 promoChar = currentMoveString[4];
9226 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9227 fromX = moveType == WhiteDrop ?
9228 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9229 (int) CharToPiece(ToLower(currentMoveString[0]));
9231 toX = currentMoveString[2] - AAA;
9232 toY = currentMoveString[3] - ONE;
9233 promoChar = NULLCHAR;
9237 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9238 if (appData.debugMode) {
9239 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9240 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9241 setbuf(debugFP, NULL);
9243 DisplayError(buf, 0);
9245 case ImpossibleMove:
9247 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9248 if (appData.debugMode) {
9249 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9250 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9251 setbuf(debugFP, NULL);
9253 DisplayError(buf, 0);
9256 if (boardIndex < backwardMostMove) {
9257 /* Oops, gap. How did that happen? */
9258 DisplayError(_("Gap in move list"), 0);
9261 backwardMostMove = blackPlaysFirst ? 1 : 0;
9262 if (boardIndex > forwardMostMove) {
9263 forwardMostMove = boardIndex;
9267 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9268 strcat(parseList[boardIndex-1], " ");
9269 strcat(parseList[boardIndex-1], yy_text);
9281 case GameUnfinished:
9282 if (gameMode == IcsExamining) {
9283 if (boardIndex < backwardMostMove) {
9284 /* Oops, gap. How did that happen? */
9287 backwardMostMove = blackPlaysFirst ? 1 : 0;
9290 gameInfo.result = moveType;
9291 p = strchr(yy_text, '{');
9292 if (p == NULL) p = strchr(yy_text, '(');
9295 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9297 q = strchr(p, *p == '{' ? '}' : ')');
9298 if (q != NULL) *q = NULLCHAR;
9301 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9302 gameInfo.resultDetails = StrSave(p);
9305 if (boardIndex >= forwardMostMove &&
9306 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9307 backwardMostMove = blackPlaysFirst ? 1 : 0;
9310 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9311 fromY, fromX, toY, toX, promoChar,
9312 parseList[boardIndex]);
9313 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9314 /* currentMoveString is set as a side-effect of yylex */
9315 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9316 strcat(moveList[boardIndex], "\n");
9318 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9319 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9325 if(gameInfo.variant != VariantShogi)
9326 strcat(parseList[boardIndex - 1], "+");
9330 strcat(parseList[boardIndex - 1], "#");
9337 /* Apply a move to the given board */
9339 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9341 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9342 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9344 /* [HGM] compute & store e.p. status and castling rights for new position */
9345 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9347 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9348 oldEP = (signed char)board[EP_STATUS];
9349 board[EP_STATUS] = EP_NONE;
9351 if (fromY == DROP_RANK) {
9353 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9354 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9357 piece = board[toY][toX] = (ChessSquare) fromX;
9361 if( board[toY][toX] != EmptySquare )
9362 board[EP_STATUS] = EP_CAPTURE;
9364 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9365 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9366 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9368 if( board[fromY][fromX] == WhitePawn ) {
9369 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9370 board[EP_STATUS] = EP_PAWN_MOVE;
9372 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9373 gameInfo.variant != VariantBerolina || toX < fromX)
9374 board[EP_STATUS] = toX | berolina;
9375 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9376 gameInfo.variant != VariantBerolina || toX > fromX)
9377 board[EP_STATUS] = toX;
9380 if( board[fromY][fromX] == BlackPawn ) {
9381 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9382 board[EP_STATUS] = EP_PAWN_MOVE;
9383 if( toY-fromY== -2) {
9384 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9385 gameInfo.variant != VariantBerolina || toX < fromX)
9386 board[EP_STATUS] = toX | berolina;
9387 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9388 gameInfo.variant != VariantBerolina || toX > fromX)
9389 board[EP_STATUS] = toX;
9393 for(i=0; i<nrCastlingRights; i++) {
9394 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9395 board[CASTLING][i] == toX && castlingRank[i] == toY
9396 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9399 if(gameInfo.variant == VariantSChess) { // update virginity
9400 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9401 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9402 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9403 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9406 if (fromX == toX && fromY == toY) return;
9408 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9409 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9410 if(gameInfo.variant == VariantKnightmate)
9411 king += (int) WhiteUnicorn - (int) WhiteKing;
9413 /* Code added by Tord: */
9414 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9415 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9416 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9417 board[fromY][fromX] = EmptySquare;
9418 board[toY][toX] = EmptySquare;
9419 if((toX > fromX) != (piece == WhiteRook)) {
9420 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9422 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9424 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9425 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9426 board[fromY][fromX] = EmptySquare;
9427 board[toY][toX] = EmptySquare;
9428 if((toX > fromX) != (piece == BlackRook)) {
9429 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9431 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9433 /* End of code added by Tord */
9435 } else if (board[fromY][fromX] == king
9436 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9437 && toY == fromY && toX > fromX+1) {
9438 board[fromY][fromX] = EmptySquare;
9439 board[toY][toX] = king;
9440 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9441 board[fromY][BOARD_RGHT-1] = EmptySquare;
9442 } else if (board[fromY][fromX] == king
9443 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9444 && toY == fromY && toX < fromX-1) {
9445 board[fromY][fromX] = EmptySquare;
9446 board[toY][toX] = king;
9447 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9448 board[fromY][BOARD_LEFT] = EmptySquare;
9449 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9450 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9451 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9453 /* white pawn promotion */
9454 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9455 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9456 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9457 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9458 board[fromY][fromX] = EmptySquare;
9459 } else if ((fromY >= BOARD_HEIGHT>>1)
9461 && gameInfo.variant != VariantXiangqi
9462 && gameInfo.variant != VariantBerolina
9463 && (board[fromY][fromX] == WhitePawn)
9464 && (board[toY][toX] == EmptySquare)) {
9465 board[fromY][fromX] = EmptySquare;
9466 board[toY][toX] = WhitePawn;
9467 captured = board[toY - 1][toX];
9468 board[toY - 1][toX] = EmptySquare;
9469 } else if ((fromY == BOARD_HEIGHT-4)
9471 && gameInfo.variant == VariantBerolina
9472 && (board[fromY][fromX] == WhitePawn)
9473 && (board[toY][toX] == EmptySquare)) {
9474 board[fromY][fromX] = EmptySquare;
9475 board[toY][toX] = WhitePawn;
9476 if(oldEP & EP_BEROLIN_A) {
9477 captured = board[fromY][fromX-1];
9478 board[fromY][fromX-1] = EmptySquare;
9479 }else{ captured = board[fromY][fromX+1];
9480 board[fromY][fromX+1] = EmptySquare;
9482 } else if (board[fromY][fromX] == king
9483 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9484 && toY == fromY && toX > fromX+1) {
9485 board[fromY][fromX] = EmptySquare;
9486 board[toY][toX] = king;
9487 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9488 board[fromY][BOARD_RGHT-1] = EmptySquare;
9489 } else if (board[fromY][fromX] == king
9490 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9491 && toY == fromY && toX < fromX-1) {
9492 board[fromY][fromX] = EmptySquare;
9493 board[toY][toX] = king;
9494 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9495 board[fromY][BOARD_LEFT] = EmptySquare;
9496 } else if (fromY == 7 && fromX == 3
9497 && board[fromY][fromX] == BlackKing
9498 && toY == 7 && toX == 5) {
9499 board[fromY][fromX] = EmptySquare;
9500 board[toY][toX] = BlackKing;
9501 board[fromY][7] = EmptySquare;
9502 board[toY][4] = BlackRook;
9503 } else if (fromY == 7 && fromX == 3
9504 && board[fromY][fromX] == BlackKing
9505 && toY == 7 && toX == 1) {
9506 board[fromY][fromX] = EmptySquare;
9507 board[toY][toX] = BlackKing;
9508 board[fromY][0] = EmptySquare;
9509 board[toY][2] = BlackRook;
9510 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9511 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9512 && toY < promoRank && promoChar
9514 /* black pawn promotion */
9515 board[toY][toX] = CharToPiece(ToLower(promoChar));
9516 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9517 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9518 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9519 board[fromY][fromX] = EmptySquare;
9520 } else if ((fromY < BOARD_HEIGHT>>1)
9522 && gameInfo.variant != VariantXiangqi
9523 && gameInfo.variant != VariantBerolina
9524 && (board[fromY][fromX] == BlackPawn)
9525 && (board[toY][toX] == EmptySquare)) {
9526 board[fromY][fromX] = EmptySquare;
9527 board[toY][toX] = BlackPawn;
9528 captured = board[toY + 1][toX];
9529 board[toY + 1][toX] = EmptySquare;
9530 } else if ((fromY == 3)
9532 && gameInfo.variant == VariantBerolina
9533 && (board[fromY][fromX] == BlackPawn)
9534 && (board[toY][toX] == EmptySquare)) {
9535 board[fromY][fromX] = EmptySquare;
9536 board[toY][toX] = BlackPawn;
9537 if(oldEP & EP_BEROLIN_A) {
9538 captured = board[fromY][fromX-1];
9539 board[fromY][fromX-1] = EmptySquare;
9540 }else{ captured = board[fromY][fromX+1];
9541 board[fromY][fromX+1] = EmptySquare;
9544 board[toY][toX] = board[fromY][fromX];
9545 board[fromY][fromX] = EmptySquare;
9549 if (gameInfo.holdingsWidth != 0) {
9551 /* !!A lot more code needs to be written to support holdings */
9552 /* [HGM] OK, so I have written it. Holdings are stored in the */
9553 /* penultimate board files, so they are automaticlly stored */
9554 /* in the game history. */
9555 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9556 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9557 /* Delete from holdings, by decreasing count */
9558 /* and erasing image if necessary */
9559 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9560 if(p < (int) BlackPawn) { /* white drop */
9561 p -= (int)WhitePawn;
9562 p = PieceToNumber((ChessSquare)p);
9563 if(p >= gameInfo.holdingsSize) p = 0;
9564 if(--board[p][BOARD_WIDTH-2] <= 0)
9565 board[p][BOARD_WIDTH-1] = EmptySquare;
9566 if((int)board[p][BOARD_WIDTH-2] < 0)
9567 board[p][BOARD_WIDTH-2] = 0;
9568 } else { /* black drop */
9569 p -= (int)BlackPawn;
9570 p = PieceToNumber((ChessSquare)p);
9571 if(p >= gameInfo.holdingsSize) p = 0;
9572 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9573 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9574 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9575 board[BOARD_HEIGHT-1-p][1] = 0;
9578 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9579 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9580 /* [HGM] holdings: Add to holdings, if holdings exist */
9581 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9582 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9583 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9586 if (p >= (int) BlackPawn) {
9587 p -= (int)BlackPawn;
9588 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9589 /* in Shogi restore piece to its original first */
9590 captured = (ChessSquare) (DEMOTED captured);
9593 p = PieceToNumber((ChessSquare)p);
9594 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9595 board[p][BOARD_WIDTH-2]++;
9596 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9598 p -= (int)WhitePawn;
9599 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9600 captured = (ChessSquare) (DEMOTED captured);
9603 p = PieceToNumber((ChessSquare)p);
9604 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9605 board[BOARD_HEIGHT-1-p][1]++;
9606 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9609 } else if (gameInfo.variant == VariantAtomic) {
9610 if (captured != EmptySquare) {
9612 for (y = toY-1; y <= toY+1; y++) {
9613 for (x = toX-1; x <= toX+1; x++) {
9614 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9615 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9616 board[y][x] = EmptySquare;
9620 board[toY][toX] = EmptySquare;
9623 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9624 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9626 if(promoChar == '+') {
9627 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9628 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9629 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9630 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9631 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9632 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9633 board[toY][toX] = newPiece;
9635 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9636 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9637 // [HGM] superchess: take promotion piece out of holdings
9638 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9639 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9640 if(!--board[k][BOARD_WIDTH-2])
9641 board[k][BOARD_WIDTH-1] = EmptySquare;
9643 if(!--board[BOARD_HEIGHT-1-k][1])
9644 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9650 /* Updates forwardMostMove */
9652 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9654 // forwardMostMove++; // [HGM] bare: moved downstream
9656 (void) CoordsToAlgebraic(boards[forwardMostMove],
9657 PosFlags(forwardMostMove),
9658 fromY, fromX, toY, toX, promoChar,
9659 parseList[forwardMostMove]);
9661 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9662 int timeLeft; static int lastLoadFlag=0; int king, piece;
9663 piece = boards[forwardMostMove][fromY][fromX];
9664 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9665 if(gameInfo.variant == VariantKnightmate)
9666 king += (int) WhiteUnicorn - (int) WhiteKing;
9667 if(forwardMostMove == 0) {
9668 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9669 fprintf(serverMoves, "%s;", UserName());
9670 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9671 fprintf(serverMoves, "%s;", second.tidy);
9672 fprintf(serverMoves, "%s;", first.tidy);
9673 if(gameMode == MachinePlaysWhite)
9674 fprintf(serverMoves, "%s;", UserName());
9675 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9676 fprintf(serverMoves, "%s;", second.tidy);
9677 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9678 lastLoadFlag = loadFlag;
9680 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9681 // print castling suffix
9682 if( toY == fromY && piece == king ) {
9684 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9686 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9689 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9690 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9691 boards[forwardMostMove][toY][toX] == EmptySquare
9692 && fromX != toX && fromY != toY)
9693 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9695 if(promoChar != NULLCHAR) {
9696 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9697 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9698 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9699 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9702 char buf[MOVE_LEN*2], *p; int len;
9703 fprintf(serverMoves, "/%d/%d",
9704 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9705 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9706 else timeLeft = blackTimeRemaining/1000;
9707 fprintf(serverMoves, "/%d", timeLeft);
9708 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9709 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9710 if(p = strchr(buf, '=')) *p = NULLCHAR;
9711 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9712 fprintf(serverMoves, "/%s", buf);
9714 fflush(serverMoves);
9717 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9718 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9721 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9722 if (commentList[forwardMostMove+1] != NULL) {
9723 free(commentList[forwardMostMove+1]);
9724 commentList[forwardMostMove+1] = NULL;
9726 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9727 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9728 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9729 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9730 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9731 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9732 adjustedClock = FALSE;
9733 gameInfo.result = GameUnfinished;
9734 if (gameInfo.resultDetails != NULL) {
9735 free(gameInfo.resultDetails);
9736 gameInfo.resultDetails = NULL;
9738 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9739 moveList[forwardMostMove - 1]);
9740 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9746 if(gameInfo.variant != VariantShogi)
9747 strcat(parseList[forwardMostMove - 1], "+");
9751 strcat(parseList[forwardMostMove - 1], "#");
9757 /* Updates currentMove if not pausing */
9759 ShowMove (int fromX, int fromY, int toX, int toY)
9761 int instant = (gameMode == PlayFromGameFile) ?
9762 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9763 if(appData.noGUI) return;
9764 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9766 if (forwardMostMove == currentMove + 1) {
9767 AnimateMove(boards[forwardMostMove - 1],
9768 fromX, fromY, toX, toY);
9771 currentMove = forwardMostMove;
9774 if (instant) return;
9776 DisplayMove(currentMove - 1);
9777 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9778 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9779 SetHighlights(fromX, fromY, toX, toY);
9782 DrawPosition(FALSE, boards[currentMove]);
9783 DisplayBothClocks();
9784 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9788 SendEgtPath (ChessProgramState *cps)
9789 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9790 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9792 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9795 char c, *q = name+1, *r, *s;
9797 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9798 while(*p && *p != ',') *q++ = *p++;
9800 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9801 strcmp(name, ",nalimov:") == 0 ) {
9802 // take nalimov path from the menu-changeable option first, if it is defined
9803 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9804 SendToProgram(buf,cps); // send egtbpath command for nalimov
9806 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9807 (s = StrStr(appData.egtFormats, name)) != NULL) {
9808 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9809 s = r = StrStr(s, ":") + 1; // beginning of path info
9810 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9811 c = *r; *r = 0; // temporarily null-terminate path info
9812 *--q = 0; // strip of trailig ':' from name
9813 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9815 SendToProgram(buf,cps); // send egtbpath command for this format
9817 if(*p == ',') p++; // read away comma to position for next format name
9822 InitChessProgram (ChessProgramState *cps, int setup)
9823 /* setup needed to setup FRC opening position */
9825 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9826 if (appData.noChessProgram) return;
9827 hintRequested = FALSE;
9828 bookRequested = FALSE;
9830 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9831 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9832 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9833 if(cps->memSize) { /* [HGM] memory */
9834 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9835 SendToProgram(buf, cps);
9837 SendEgtPath(cps); /* [HGM] EGT */
9838 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9839 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9840 SendToProgram(buf, cps);
9843 SendToProgram(cps->initString, cps);
9844 if (gameInfo.variant != VariantNormal &&
9845 gameInfo.variant != VariantLoadable
9846 /* [HGM] also send variant if board size non-standard */
9847 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9849 char *v = VariantName(gameInfo.variant);
9850 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9851 /* [HGM] in protocol 1 we have to assume all variants valid */
9852 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9853 DisplayFatalError(buf, 0, 1);
9857 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9858 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9859 if( gameInfo.variant == VariantXiangqi )
9860 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9861 if( gameInfo.variant == VariantShogi )
9862 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9863 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9864 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9865 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9866 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9867 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9868 if( gameInfo.variant == VariantCourier )
9869 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9870 if( gameInfo.variant == VariantSuper )
9871 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9872 if( gameInfo.variant == VariantGreat )
9873 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9874 if( gameInfo.variant == VariantSChess )
9875 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9876 if( gameInfo.variant == VariantGrand )
9877 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9880 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9881 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9882 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9883 if(StrStr(cps->variants, b) == NULL) {
9884 // specific sized variant not known, check if general sizing allowed
9885 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9886 if(StrStr(cps->variants, "boardsize") == NULL) {
9887 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9888 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9889 DisplayFatalError(buf, 0, 1);
9892 /* [HGM] here we really should compare with the maximum supported board size */
9895 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9896 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9897 SendToProgram(buf, cps);
9899 currentlyInitializedVariant = gameInfo.variant;
9901 /* [HGM] send opening position in FRC to first engine */
9903 SendToProgram("force\n", cps);
9905 /* engine is now in force mode! Set flag to wake it up after first move. */
9906 setboardSpoiledMachineBlack = 1;
9910 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9911 SendToProgram(buf, cps);
9913 cps->maybeThinking = FALSE;
9914 cps->offeredDraw = 0;
9915 if (!appData.icsActive) {
9916 SendTimeControl(cps, movesPerSession, timeControl,
9917 timeIncrement, appData.searchDepth,
9920 if (appData.showThinking
9921 // [HGM] thinking: four options require thinking output to be sent
9922 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9924 SendToProgram("post\n", cps);
9926 SendToProgram("hard\n", cps);
9927 if (!appData.ponderNextMove) {
9928 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9929 it without being sure what state we are in first. "hard"
9930 is not a toggle, so that one is OK.
9932 SendToProgram("easy\n", cps);
9935 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9936 SendToProgram(buf, cps);
9938 cps->initDone = TRUE;
9939 ClearEngineOutputPane(cps == &second);
9944 StartChessProgram (ChessProgramState *cps)
9949 if (appData.noChessProgram) return;
9950 cps->initDone = FALSE;
9952 if (strcmp(cps->host, "localhost") == 0) {
9953 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9954 } else if (*appData.remoteShell == NULLCHAR) {
9955 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9957 if (*appData.remoteUser == NULLCHAR) {
9958 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9961 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9962 cps->host, appData.remoteUser, cps->program);
9964 err = StartChildProcess(buf, "", &cps->pr);
9968 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9969 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9970 if(cps != &first) return;
9971 appData.noChessProgram = TRUE;
9974 // DisplayFatalError(buf, err, 1);
9975 // cps->pr = NoProc;
9980 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9981 if (cps->protocolVersion > 1) {
9982 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9983 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9984 cps->comboCnt = 0; // and values of combo boxes
9985 SendToProgram(buf, cps);
9987 SendToProgram("xboard\n", cps);
9992 TwoMachinesEventIfReady P((void))
9994 static int curMess = 0;
9995 if (first.lastPing != first.lastPong) {
9996 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9997 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10000 if (second.lastPing != second.lastPong) {
10001 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10002 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10005 DisplayMessage("", ""); curMess = 0;
10007 TwoMachinesEvent();
10011 MakeName (char *template)
10015 static char buf[MSG_SIZ];
10019 clock = time((time_t *)NULL);
10020 tm = localtime(&clock);
10022 while(*p++ = *template++) if(p[-1] == '%') {
10023 switch(*template++) {
10024 case 0: *p = 0; return buf;
10025 case 'Y': i = tm->tm_year+1900; break;
10026 case 'y': i = tm->tm_year-100; break;
10027 case 'M': i = tm->tm_mon+1; break;
10028 case 'd': i = tm->tm_mday; break;
10029 case 'h': i = tm->tm_hour; break;
10030 case 'm': i = tm->tm_min; break;
10031 case 's': i = tm->tm_sec; break;
10034 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10040 CountPlayers (char *p)
10043 while(p = strchr(p, '\n')) p++, n++; // count participants
10048 WriteTourneyFile (char *results, FILE *f)
10049 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10050 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10051 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10052 // create a file with tournament description
10053 fprintf(f, "-participants {%s}\n", appData.participants);
10054 fprintf(f, "-seedBase %d\n", appData.seedBase);
10055 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10056 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10057 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10058 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10059 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10060 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10061 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10062 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10063 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10064 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10065 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10066 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10067 fprintf(f, "-polyglotBook %s\n", appData.polyglotBook);
10068 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10069 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10070 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10071 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10072 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10073 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10074 fprintf(f, "-smpCores %d\n", appData.smpCores);
10076 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10078 fprintf(f, "-mps %d\n", appData.movesPerSession);
10079 fprintf(f, "-tc %s\n", appData.timeControl);
10080 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10082 fprintf(f, "-results \"%s\"\n", results);
10087 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10090 Substitute (char *participants, int expunge)
10092 int i, changed, changes=0, nPlayers=0;
10093 char *p, *q, *r, buf[MSG_SIZ];
10094 if(participants == NULL) return;
10095 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10096 r = p = participants; q = appData.participants;
10097 while(*p && *p == *q) {
10098 if(*p == '\n') r = p+1, nPlayers++;
10101 if(*p) { // difference
10102 while(*p && *p++ != '\n');
10103 while(*q && *q++ != '\n');
10104 changed = nPlayers;
10105 changes = 1 + (strcmp(p, q) != 0);
10107 if(changes == 1) { // a single engine mnemonic was changed
10108 q = r; while(*q) nPlayers += (*q++ == '\n');
10109 p = buf; while(*r && (*p = *r++) != '\n') p++;
10111 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10112 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10113 if(mnemonic[i]) { // The substitute is valid
10115 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10116 flock(fileno(f), LOCK_EX);
10117 ParseArgsFromFile(f);
10118 fseek(f, 0, SEEK_SET);
10119 FREE(appData.participants); appData.participants = participants;
10120 if(expunge) { // erase results of replaced engine
10121 int len = strlen(appData.results), w, b, dummy;
10122 for(i=0; i<len; i++) {
10123 Pairing(i, nPlayers, &w, &b, &dummy);
10124 if((w == changed || b == changed) && appData.results[i] == '*') {
10125 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10130 for(i=0; i<len; i++) {
10131 Pairing(i, nPlayers, &w, &b, &dummy);
10132 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10135 WriteTourneyFile(appData.results, f);
10136 fclose(f); // release lock
10139 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10141 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10142 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10143 free(participants);
10148 CheckPlayers (char *participants)
10151 char buf[MSG_SIZ], *p;
10152 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10153 while(p = strchr(participants, '\n')) {
10155 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10157 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10159 DisplayError(buf, 0);
10163 participants = p + 1;
10169 CreateTourney (char *name)
10172 if(matchMode && strcmp(name, appData.tourneyFile)) {
10173 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10175 if(name[0] == NULLCHAR) {
10176 if(appData.participants[0])
10177 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10180 f = fopen(name, "r");
10181 if(f) { // file exists
10182 ASSIGN(appData.tourneyFile, name);
10183 ParseArgsFromFile(f); // parse it
10185 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10186 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10187 DisplayError(_("Not enough participants"), 0);
10190 if(CheckPlayers(appData.participants)) return 0;
10191 ASSIGN(appData.tourneyFile, name);
10192 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10193 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10196 appData.noChessProgram = FALSE;
10197 appData.clockMode = TRUE;
10203 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10205 char buf[MSG_SIZ], *p, *q;
10206 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10207 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10208 skip = !all && group[0]; // if group requested, we start in skip mode
10209 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10210 p = names; q = buf; header = 0;
10211 while(*p && *p != '\n') *q++ = *p++;
10213 if(*p == '\n') p++;
10214 if(buf[0] == '#') {
10215 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10216 depth++; // we must be entering a new group
10217 if(all) continue; // suppress printing group headers when complete list requested
10219 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10221 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10222 if(engineList[i]) free(engineList[i]);
10223 engineList[i] = strdup(buf);
10224 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10225 if(engineMnemonic[i]) free(engineMnemonic[i]);
10226 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10228 sscanf(q + 8, "%s", buf + strlen(buf));
10231 engineMnemonic[i] = strdup(buf);
10234 engineList[i] = engineMnemonic[i] = NULL;
10238 // following implemented as macro to avoid type limitations
10239 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10242 SwapEngines (int n)
10243 { // swap settings for first engine and other engine (so far only some selected options)
10248 SWAP(chessProgram, p)
10250 SWAP(hasOwnBookUCI, h)
10251 SWAP(protocolVersion, h)
10253 SWAP(scoreIsAbsolute, h)
10258 SWAP(engOptions, p)
10259 SWAP(engInitString, p)
10260 SWAP(computerString, p)
10262 SWAP(fenOverride, p)
10264 SWAP(accumulateTC, h)
10269 GetEngineLine (char *s, int n)
10273 extern char *icsNames;
10274 if(!s || !*s) return 0;
10275 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10276 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10277 if(!mnemonic[i]) return 0;
10278 if(n == 11) return 1; // just testing if there was a match
10279 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10280 if(n == 1) SwapEngines(n);
10281 ParseArgsFromString(buf);
10282 if(n == 1) SwapEngines(n);
10283 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10284 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10285 ParseArgsFromString(buf);
10291 SetPlayer (int player, char *p)
10292 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10294 char buf[MSG_SIZ], *engineName;
10295 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10296 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10297 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10299 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10300 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10301 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10302 ParseArgsFromString(buf);
10308 char *recentEngines;
10311 RecentEngineEvent (int nr)
10314 // SwapEngines(1); // bump first to second
10315 // ReplaceEngine(&second, 1); // and load it there
10316 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10317 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10318 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10319 ReplaceEngine(&first, 0);
10320 FloatToFront(&appData.recentEngineList, command[n]);
10325 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10326 { // determine players from game number
10327 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10329 if(appData.tourneyType == 0) {
10330 roundsPerCycle = (nPlayers - 1) | 1;
10331 pairingsPerRound = nPlayers / 2;
10332 } else if(appData.tourneyType > 0) {
10333 roundsPerCycle = nPlayers - appData.tourneyType;
10334 pairingsPerRound = appData.tourneyType;
10336 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10337 gamesPerCycle = gamesPerRound * roundsPerCycle;
10338 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10339 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10340 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10341 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10342 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10343 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10345 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10346 if(appData.roundSync) *syncInterval = gamesPerRound;
10348 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10350 if(appData.tourneyType == 0) {
10351 if(curPairing == (nPlayers-1)/2 ) {
10352 *whitePlayer = curRound;
10353 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10355 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10356 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10357 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10358 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10360 } else if(appData.tourneyType > 1) {
10361 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10362 *whitePlayer = curRound + appData.tourneyType;
10363 } else if(appData.tourneyType > 0) {
10364 *whitePlayer = curPairing;
10365 *blackPlayer = curRound + appData.tourneyType;
10368 // take care of white/black alternation per round.
10369 // For cycles and games this is already taken care of by default, derived from matchGame!
10370 return curRound & 1;
10374 NextTourneyGame (int nr, int *swapColors)
10375 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10377 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10379 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10380 tf = fopen(appData.tourneyFile, "r");
10381 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10382 ParseArgsFromFile(tf); fclose(tf);
10383 InitTimeControls(); // TC might be altered from tourney file
10385 nPlayers = CountPlayers(appData.participants); // count participants
10386 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10387 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10390 p = q = appData.results;
10391 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10392 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10393 DisplayMessage(_("Waiting for other game(s)"),"");
10394 waitingForGame = TRUE;
10395 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10398 waitingForGame = FALSE;
10401 if(appData.tourneyType < 0) {
10402 if(nr>=0 && !pairingReceived) {
10404 if(pairing.pr == NoProc) {
10405 if(!appData.pairingEngine[0]) {
10406 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10409 StartChessProgram(&pairing); // starts the pairing engine
10411 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10412 SendToProgram(buf, &pairing);
10413 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10414 SendToProgram(buf, &pairing);
10415 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10417 pairingReceived = 0; // ... so we continue here
10419 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10420 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10421 matchGame = 1; roundNr = nr / syncInterval + 1;
10424 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10426 // redefine engines, engine dir, etc.
10427 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10428 if(first.pr == NoProc) {
10429 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10430 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10432 if(second.pr == NoProc) {
10434 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10435 SwapEngines(1); // and make that valid for second engine by swapping
10436 InitEngine(&second, 1);
10438 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10439 UpdateLogos(FALSE); // leave display to ModeHiglight()
10445 { // performs game initialization that does not invoke engines, and then tries to start the game
10446 int res, firstWhite, swapColors = 0;
10447 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10448 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
10450 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10451 if(strcmp(buf, currentDebugFile)) { // name has changed
10452 FILE *f = fopen(buf, "w");
10453 if(f) { // if opening the new file failed, just keep using the old one
10454 ASSIGN(currentDebugFile, buf);
10458 if(appData.serverFileName) {
10459 if(serverFP) fclose(serverFP);
10460 serverFP = fopen(appData.serverFileName, "w");
10461 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10462 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10466 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10467 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10468 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10469 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10470 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10471 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10472 Reset(FALSE, first.pr != NoProc);
10473 res = LoadGameOrPosition(matchGame); // setup game
10474 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10475 if(!res) return; // abort when bad game/pos file
10476 TwoMachinesEvent();
10480 UserAdjudicationEvent (int result)
10482 ChessMove gameResult = GameIsDrawn;
10485 gameResult = WhiteWins;
10487 else if( result < 0 ) {
10488 gameResult = BlackWins;
10491 if( gameMode == TwoMachinesPlay ) {
10492 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10497 // [HGM] save: calculate checksum of game to make games easily identifiable
10499 StringCheckSum (char *s)
10502 if(s==NULL) return 0;
10503 while(*s) i = i*259 + *s++;
10511 for(i=backwardMostMove; i<forwardMostMove; i++) {
10512 sum += pvInfoList[i].depth;
10513 sum += StringCheckSum(parseList[i]);
10514 sum += StringCheckSum(commentList[i]);
10517 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10518 return sum + StringCheckSum(commentList[i]);
10519 } // end of save patch
10522 GameEnds (ChessMove result, char *resultDetails, int whosays)
10524 GameMode nextGameMode;
10526 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10528 if(endingGame) return; /* [HGM] crash: forbid recursion */
10530 if(twoBoards) { // [HGM] dual: switch back to one board
10531 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10532 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10534 if (appData.debugMode) {
10535 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10536 result, resultDetails ? resultDetails : "(null)", whosays);
10539 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10541 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10543 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10544 /* If we are playing on ICS, the server decides when the
10545 game is over, but the engine can offer to draw, claim
10549 if (appData.zippyPlay && first.initDone) {
10550 if (result == GameIsDrawn) {
10551 /* In case draw still needs to be claimed */
10552 SendToICS(ics_prefix);
10553 SendToICS("draw\n");
10554 } else if (StrCaseStr(resultDetails, "resign")) {
10555 SendToICS(ics_prefix);
10556 SendToICS("resign\n");
10560 endingGame = 0; /* [HGM] crash */
10564 /* If we're loading the game from a file, stop */
10565 if (whosays == GE_FILE) {
10566 (void) StopLoadGameTimer();
10570 /* Cancel draw offers */
10571 first.offeredDraw = second.offeredDraw = 0;
10573 /* If this is an ICS game, only ICS can really say it's done;
10574 if not, anyone can. */
10575 isIcsGame = (gameMode == IcsPlayingWhite ||
10576 gameMode == IcsPlayingBlack ||
10577 gameMode == IcsObserving ||
10578 gameMode == IcsExamining);
10580 if (!isIcsGame || whosays == GE_ICS) {
10581 /* OK -- not an ICS game, or ICS said it was done */
10583 if (!isIcsGame && !appData.noChessProgram)
10584 SetUserThinkingEnables();
10586 /* [HGM] if a machine claims the game end we verify this claim */
10587 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10588 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10590 ChessMove trueResult = (ChessMove) -1;
10592 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10593 first.twoMachinesColor[0] :
10594 second.twoMachinesColor[0] ;
10596 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10597 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10598 /* [HGM] verify: engine mate claims accepted if they were flagged */
10599 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10601 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10602 /* [HGM] verify: engine mate claims accepted if they were flagged */
10603 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10605 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10606 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10609 // now verify win claims, but not in drop games, as we don't understand those yet
10610 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10611 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10612 (result == WhiteWins && claimer == 'w' ||
10613 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10614 if (appData.debugMode) {
10615 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10616 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10618 if(result != trueResult) {
10619 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10620 result = claimer == 'w' ? BlackWins : WhiteWins;
10621 resultDetails = buf;
10624 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10625 && (forwardMostMove <= backwardMostMove ||
10626 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10627 (claimer=='b')==(forwardMostMove&1))
10629 /* [HGM] verify: draws that were not flagged are false claims */
10630 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10631 result = claimer == 'w' ? BlackWins : WhiteWins;
10632 resultDetails = buf;
10634 /* (Claiming a loss is accepted no questions asked!) */
10636 /* [HGM] bare: don't allow bare King to win */
10637 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10638 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10639 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10640 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10641 && result != GameIsDrawn)
10642 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10643 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10644 int p = (signed char)boards[forwardMostMove][i][j] - color;
10645 if(p >= 0 && p <= (int)WhiteKing) k++;
10647 if (appData.debugMode) {
10648 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10649 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10652 result = GameIsDrawn;
10653 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10654 resultDetails = buf;
10660 if(serverMoves != NULL && !loadFlag) { char c = '=';
10661 if(result==WhiteWins) c = '+';
10662 if(result==BlackWins) c = '-';
10663 if(resultDetails != NULL)
10664 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10666 if (resultDetails != NULL) {
10667 gameInfo.result = result;
10668 gameInfo.resultDetails = StrSave(resultDetails);
10670 /* display last move only if game was not loaded from file */
10671 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10672 DisplayMove(currentMove - 1);
10674 if (forwardMostMove != 0) {
10675 if (gameMode != PlayFromGameFile && gameMode != EditGame
10676 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10678 if (*appData.saveGameFile != NULLCHAR) {
10679 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10680 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10682 SaveGameToFile(appData.saveGameFile, TRUE);
10683 } else if (appData.autoSaveGames) {
10686 if (*appData.savePositionFile != NULLCHAR) {
10687 SavePositionToFile(appData.savePositionFile);
10689 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10693 /* Tell program how game ended in case it is learning */
10694 /* [HGM] Moved this to after saving the PGN, just in case */
10695 /* engine died and we got here through time loss. In that */
10696 /* case we will get a fatal error writing the pipe, which */
10697 /* would otherwise lose us the PGN. */
10698 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10699 /* output during GameEnds should never be fatal anymore */
10700 if (gameMode == MachinePlaysWhite ||
10701 gameMode == MachinePlaysBlack ||
10702 gameMode == TwoMachinesPlay ||
10703 gameMode == IcsPlayingWhite ||
10704 gameMode == IcsPlayingBlack ||
10705 gameMode == BeginningOfGame) {
10707 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10709 if (first.pr != NoProc) {
10710 SendToProgram(buf, &first);
10712 if (second.pr != NoProc &&
10713 gameMode == TwoMachinesPlay) {
10714 SendToProgram(buf, &second);
10719 if (appData.icsActive) {
10720 if (appData.quietPlay &&
10721 (gameMode == IcsPlayingWhite ||
10722 gameMode == IcsPlayingBlack)) {
10723 SendToICS(ics_prefix);
10724 SendToICS("set shout 1\n");
10726 nextGameMode = IcsIdle;
10727 ics_user_moved = FALSE;
10728 /* clean up premove. It's ugly when the game has ended and the
10729 * premove highlights are still on the board.
10732 gotPremove = FALSE;
10733 ClearPremoveHighlights();
10734 DrawPosition(FALSE, boards[currentMove]);
10736 if (whosays == GE_ICS) {
10739 if (gameMode == IcsPlayingWhite)
10741 else if(gameMode == IcsPlayingBlack)
10742 PlayIcsLossSound();
10745 if (gameMode == IcsPlayingBlack)
10747 else if(gameMode == IcsPlayingWhite)
10748 PlayIcsLossSound();
10751 PlayIcsDrawSound();
10754 PlayIcsUnfinishedSound();
10757 } else if (gameMode == EditGame ||
10758 gameMode == PlayFromGameFile ||
10759 gameMode == AnalyzeMode ||
10760 gameMode == AnalyzeFile) {
10761 nextGameMode = gameMode;
10763 nextGameMode = EndOfGame;
10768 nextGameMode = gameMode;
10771 if (appData.noChessProgram) {
10772 gameMode = nextGameMode;
10774 endingGame = 0; /* [HGM] crash */
10779 /* Put first chess program into idle state */
10780 if (first.pr != NoProc &&
10781 (gameMode == MachinePlaysWhite ||
10782 gameMode == MachinePlaysBlack ||
10783 gameMode == TwoMachinesPlay ||
10784 gameMode == IcsPlayingWhite ||
10785 gameMode == IcsPlayingBlack ||
10786 gameMode == BeginningOfGame)) {
10787 SendToProgram("force\n", &first);
10788 if (first.usePing) {
10790 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10791 SendToProgram(buf, &first);
10794 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10795 /* Kill off first chess program */
10796 if (first.isr != NULL)
10797 RemoveInputSource(first.isr);
10800 if (first.pr != NoProc) {
10802 DoSleep( appData.delayBeforeQuit );
10803 SendToProgram("quit\n", &first);
10804 DoSleep( appData.delayAfterQuit );
10805 DestroyChildProcess(first.pr, first.useSigterm);
10809 if (second.reuse) {
10810 /* Put second chess program into idle state */
10811 if (second.pr != NoProc &&
10812 gameMode == TwoMachinesPlay) {
10813 SendToProgram("force\n", &second);
10814 if (second.usePing) {
10816 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10817 SendToProgram(buf, &second);
10820 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10821 /* Kill off second chess program */
10822 if (second.isr != NULL)
10823 RemoveInputSource(second.isr);
10826 if (second.pr != NoProc) {
10827 DoSleep( appData.delayBeforeQuit );
10828 SendToProgram("quit\n", &second);
10829 DoSleep( appData.delayAfterQuit );
10830 DestroyChildProcess(second.pr, second.useSigterm);
10832 second.pr = NoProc;
10835 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10836 char resChar = '=';
10840 if (first.twoMachinesColor[0] == 'w') {
10843 second.matchWins++;
10848 if (first.twoMachinesColor[0] == 'b') {
10851 second.matchWins++;
10854 case GameUnfinished:
10860 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10861 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10862 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10863 ReserveGame(nextGame, resChar); // sets nextGame
10864 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10865 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10866 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10868 if (nextGame <= appData.matchGames && !abortMatch) {
10869 gameMode = nextGameMode;
10870 matchGame = nextGame; // this will be overruled in tourney mode!
10871 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10872 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10873 endingGame = 0; /* [HGM] crash */
10876 gameMode = nextGameMode;
10877 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10878 first.tidy, second.tidy,
10879 first.matchWins, second.matchWins,
10880 appData.matchGames - (first.matchWins + second.matchWins));
10881 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10882 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10883 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10884 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10885 first.twoMachinesColor = "black\n";
10886 second.twoMachinesColor = "white\n";
10888 first.twoMachinesColor = "white\n";
10889 second.twoMachinesColor = "black\n";
10893 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10894 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10896 gameMode = nextGameMode;
10898 endingGame = 0; /* [HGM] crash */
10899 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10900 if(matchMode == TRUE) { // match through command line: exit with or without popup
10902 ToNrEvent(forwardMostMove);
10903 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10905 } else DisplayFatalError(buf, 0, 0);
10906 } else { // match through menu; just stop, with or without popup
10907 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10910 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10911 } else DisplayNote(buf);
10913 if(ranking) free(ranking);
10917 /* Assumes program was just initialized (initString sent).
10918 Leaves program in force mode. */
10920 FeedMovesToProgram (ChessProgramState *cps, int upto)
10924 if (appData.debugMode)
10925 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10926 startedFromSetupPosition ? "position and " : "",
10927 backwardMostMove, upto, cps->which);
10928 if(currentlyInitializedVariant != gameInfo.variant) {
10930 // [HGM] variantswitch: make engine aware of new variant
10931 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10932 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10933 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10934 SendToProgram(buf, cps);
10935 currentlyInitializedVariant = gameInfo.variant;
10937 SendToProgram("force\n", cps);
10938 if (startedFromSetupPosition) {
10939 SendBoard(cps, backwardMostMove);
10940 if (appData.debugMode) {
10941 fprintf(debugFP, "feedMoves\n");
10944 for (i = backwardMostMove; i < upto; i++) {
10945 SendMoveToProgram(i, cps);
10951 ResurrectChessProgram ()
10953 /* The chess program may have exited.
10954 If so, restart it and feed it all the moves made so far. */
10955 static int doInit = 0;
10957 if (appData.noChessProgram) return 1;
10959 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10960 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10961 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10962 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10964 if (first.pr != NoProc) return 1;
10965 StartChessProgram(&first);
10967 InitChessProgram(&first, FALSE);
10968 FeedMovesToProgram(&first, currentMove);
10970 if (!first.sendTime) {
10971 /* can't tell gnuchess what its clock should read,
10972 so we bow to its notion. */
10974 timeRemaining[0][currentMove] = whiteTimeRemaining;
10975 timeRemaining[1][currentMove] = blackTimeRemaining;
10978 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10979 appData.icsEngineAnalyze) && first.analysisSupport) {
10980 SendToProgram("analyze\n", &first);
10981 first.analyzing = TRUE;
10987 * Button procedures
10990 Reset (int redraw, int init)
10994 if (appData.debugMode) {
10995 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10996 redraw, init, gameMode);
10998 CleanupTail(); // [HGM] vari: delete any stored variations
10999 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11000 pausing = pauseExamInvalid = FALSE;
11001 startedFromSetupPosition = blackPlaysFirst = FALSE;
11003 whiteFlag = blackFlag = FALSE;
11004 userOfferedDraw = FALSE;
11005 hintRequested = bookRequested = FALSE;
11006 first.maybeThinking = FALSE;
11007 second.maybeThinking = FALSE;
11008 first.bookSuspend = FALSE; // [HGM] book
11009 second.bookSuspend = FALSE;
11010 thinkOutput[0] = NULLCHAR;
11011 lastHint[0] = NULLCHAR;
11012 ClearGameInfo(&gameInfo);
11013 gameInfo.variant = StringToVariant(appData.variant);
11014 ics_user_moved = ics_clock_paused = FALSE;
11015 ics_getting_history = H_FALSE;
11017 white_holding[0] = black_holding[0] = NULLCHAR;
11018 ClearProgramStats();
11019 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11023 flipView = appData.flipView;
11024 ClearPremoveHighlights();
11025 gotPremove = FALSE;
11026 alarmSounded = FALSE;
11028 GameEnds(EndOfFile, NULL, GE_PLAYER);
11029 if(appData.serverMovesName != NULL) {
11030 /* [HGM] prepare to make moves file for broadcasting */
11031 clock_t t = clock();
11032 if(serverMoves != NULL) fclose(serverMoves);
11033 serverMoves = fopen(appData.serverMovesName, "r");
11034 if(serverMoves != NULL) {
11035 fclose(serverMoves);
11036 /* delay 15 sec before overwriting, so all clients can see end */
11037 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11039 serverMoves = fopen(appData.serverMovesName, "w");
11043 gameMode = BeginningOfGame;
11045 if(appData.icsActive) gameInfo.variant = VariantNormal;
11046 currentMove = forwardMostMove = backwardMostMove = 0;
11047 MarkTargetSquares(1);
11048 InitPosition(redraw);
11049 for (i = 0; i < MAX_MOVES; i++) {
11050 if (commentList[i] != NULL) {
11051 free(commentList[i]);
11052 commentList[i] = NULL;
11056 timeRemaining[0][0] = whiteTimeRemaining;
11057 timeRemaining[1][0] = blackTimeRemaining;
11059 if (first.pr == NoProc) {
11060 StartChessProgram(&first);
11063 InitChessProgram(&first, startedFromSetupPosition);
11066 DisplayMessage("", "");
11067 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11068 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11069 ClearMap(); // [HGM] exclude: invalidate map
11073 AutoPlayGameLoop ()
11076 if (!AutoPlayOneMove())
11078 if (matchMode || appData.timeDelay == 0)
11080 if (appData.timeDelay < 0)
11082 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11090 ReloadGame(1); // next game
11096 int fromX, fromY, toX, toY;
11098 if (appData.debugMode) {
11099 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11102 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11105 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11106 pvInfoList[currentMove].depth = programStats.depth;
11107 pvInfoList[currentMove].score = programStats.score;
11108 pvInfoList[currentMove].time = 0;
11109 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11112 if (currentMove >= forwardMostMove) {
11113 if(gameMode == AnalyzeFile) {
11114 if(appData.loadGameIndex == -1) {
11115 GameEnds(EndOfFile, NULL, GE_FILE);
11116 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11118 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11121 // gameMode = EndOfGame;
11122 // ModeHighlight();
11124 /* [AS] Clear current move marker at the end of a game */
11125 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11130 toX = moveList[currentMove][2] - AAA;
11131 toY = moveList[currentMove][3] - ONE;
11133 if (moveList[currentMove][1] == '@') {
11134 if (appData.highlightLastMove) {
11135 SetHighlights(-1, -1, toX, toY);
11138 fromX = moveList[currentMove][0] - AAA;
11139 fromY = moveList[currentMove][1] - ONE;
11141 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11143 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11145 if (appData.highlightLastMove) {
11146 SetHighlights(fromX, fromY, toX, toY);
11149 DisplayMove(currentMove);
11150 SendMoveToProgram(currentMove++, &first);
11151 DisplayBothClocks();
11152 DrawPosition(FALSE, boards[currentMove]);
11153 // [HGM] PV info: always display, routine tests if empty
11154 DisplayComment(currentMove - 1, commentList[currentMove]);
11160 LoadGameOneMove (ChessMove readAhead)
11162 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11163 char promoChar = NULLCHAR;
11164 ChessMove moveType;
11165 char move[MSG_SIZ];
11168 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11169 gameMode != AnalyzeMode && gameMode != Training) {
11174 yyboardindex = forwardMostMove;
11175 if (readAhead != EndOfFile) {
11176 moveType = readAhead;
11178 if (gameFileFP == NULL)
11180 moveType = (ChessMove) Myylex();
11184 switch (moveType) {
11186 if (appData.debugMode)
11187 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11190 /* append the comment but don't display it */
11191 AppendComment(currentMove, p, FALSE);
11194 case WhiteCapturesEnPassant:
11195 case BlackCapturesEnPassant:
11196 case WhitePromotion:
11197 case BlackPromotion:
11198 case WhiteNonPromotion:
11199 case BlackNonPromotion:
11201 case WhiteKingSideCastle:
11202 case WhiteQueenSideCastle:
11203 case BlackKingSideCastle:
11204 case BlackQueenSideCastle:
11205 case WhiteKingSideCastleWild:
11206 case WhiteQueenSideCastleWild:
11207 case BlackKingSideCastleWild:
11208 case BlackQueenSideCastleWild:
11210 case WhiteHSideCastleFR:
11211 case WhiteASideCastleFR:
11212 case BlackHSideCastleFR:
11213 case BlackASideCastleFR:
11215 if (appData.debugMode)
11216 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11217 fromX = currentMoveString[0] - AAA;
11218 fromY = currentMoveString[1] - ONE;
11219 toX = currentMoveString[2] - AAA;
11220 toY = currentMoveString[3] - ONE;
11221 promoChar = currentMoveString[4];
11226 if (appData.debugMode)
11227 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11228 fromX = moveType == WhiteDrop ?
11229 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11230 (int) CharToPiece(ToLower(currentMoveString[0]));
11232 toX = currentMoveString[2] - AAA;
11233 toY = currentMoveString[3] - ONE;
11239 case GameUnfinished:
11240 if (appData.debugMode)
11241 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11242 p = strchr(yy_text, '{');
11243 if (p == NULL) p = strchr(yy_text, '(');
11246 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11248 q = strchr(p, *p == '{' ? '}' : ')');
11249 if (q != NULL) *q = NULLCHAR;
11252 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11253 GameEnds(moveType, p, GE_FILE);
11255 if (cmailMsgLoaded) {
11257 flipView = WhiteOnMove(currentMove);
11258 if (moveType == GameUnfinished) flipView = !flipView;
11259 if (appData.debugMode)
11260 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11265 if (appData.debugMode)
11266 fprintf(debugFP, "Parser hit end of file\n");
11267 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11273 if (WhiteOnMove(currentMove)) {
11274 GameEnds(BlackWins, "Black mates", GE_FILE);
11276 GameEnds(WhiteWins, "White mates", GE_FILE);
11280 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11286 case MoveNumberOne:
11287 if (lastLoadGameStart == GNUChessGame) {
11288 /* GNUChessGames have numbers, but they aren't move numbers */
11289 if (appData.debugMode)
11290 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11291 yy_text, (int) moveType);
11292 return LoadGameOneMove(EndOfFile); /* tail recursion */
11294 /* else fall thru */
11299 /* Reached start of next game in file */
11300 if (appData.debugMode)
11301 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11302 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11308 if (WhiteOnMove(currentMove)) {
11309 GameEnds(BlackWins, "Black mates", GE_FILE);
11311 GameEnds(WhiteWins, "White mates", GE_FILE);
11315 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11321 case PositionDiagram: /* should not happen; ignore */
11322 case ElapsedTime: /* ignore */
11323 case NAG: /* ignore */
11324 if (appData.debugMode)
11325 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11326 yy_text, (int) moveType);
11327 return LoadGameOneMove(EndOfFile); /* tail recursion */
11330 if (appData.testLegality) {
11331 if (appData.debugMode)
11332 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11333 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11334 (forwardMostMove / 2) + 1,
11335 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11336 DisplayError(move, 0);
11339 if (appData.debugMode)
11340 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11341 yy_text, currentMoveString);
11342 fromX = currentMoveString[0] - AAA;
11343 fromY = currentMoveString[1] - ONE;
11344 toX = currentMoveString[2] - AAA;
11345 toY = currentMoveString[3] - ONE;
11346 promoChar = currentMoveString[4];
11350 case AmbiguousMove:
11351 if (appData.debugMode)
11352 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11353 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11354 (forwardMostMove / 2) + 1,
11355 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11356 DisplayError(move, 0);
11361 case ImpossibleMove:
11362 if (appData.debugMode)
11363 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11364 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11365 (forwardMostMove / 2) + 1,
11366 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11367 DisplayError(move, 0);
11373 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11374 DrawPosition(FALSE, boards[currentMove]);
11375 DisplayBothClocks();
11376 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11377 DisplayComment(currentMove - 1, commentList[currentMove]);
11379 (void) StopLoadGameTimer();
11381 cmailOldMove = forwardMostMove;
11384 /* currentMoveString is set as a side-effect of yylex */
11386 thinkOutput[0] = NULLCHAR;
11387 MakeMove(fromX, fromY, toX, toY, promoChar);
11388 currentMove = forwardMostMove;
11393 /* Load the nth game from the given file */
11395 LoadGameFromFile (char *filename, int n, char *title, int useList)
11400 if (strcmp(filename, "-") == 0) {
11404 f = fopen(filename, "rb");
11406 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11407 DisplayError(buf, errno);
11411 if (fseek(f, 0, 0) == -1) {
11412 /* f is not seekable; probably a pipe */
11415 if (useList && n == 0) {
11416 int error = GameListBuild(f);
11418 DisplayError(_("Cannot build game list"), error);
11419 } else if (!ListEmpty(&gameList) &&
11420 ((ListGame *) gameList.tailPred)->number > 1) {
11421 GameListPopUp(f, title);
11428 return LoadGame(f, n, title, FALSE);
11433 MakeRegisteredMove ()
11435 int fromX, fromY, toX, toY;
11437 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11438 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11441 if (appData.debugMode)
11442 fprintf(debugFP, "Restoring %s for game %d\n",
11443 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11445 thinkOutput[0] = NULLCHAR;
11446 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11447 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11448 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11449 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11450 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11451 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11452 MakeMove(fromX, fromY, toX, toY, promoChar);
11453 ShowMove(fromX, fromY, toX, toY);
11455 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11462 if (WhiteOnMove(currentMove)) {
11463 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11465 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11470 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11477 if (WhiteOnMove(currentMove)) {
11478 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11480 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11485 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11496 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11498 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11502 if (gameNumber > nCmailGames) {
11503 DisplayError(_("No more games in this message"), 0);
11506 if (f == lastLoadGameFP) {
11507 int offset = gameNumber - lastLoadGameNumber;
11509 cmailMsg[0] = NULLCHAR;
11510 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11511 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11512 nCmailMovesRegistered--;
11514 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11515 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11516 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11519 if (! RegisterMove()) return FALSE;
11523 retVal = LoadGame(f, gameNumber, title, useList);
11525 /* Make move registered during previous look at this game, if any */
11526 MakeRegisteredMove();
11528 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11529 commentList[currentMove]
11530 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11531 DisplayComment(currentMove - 1, commentList[currentMove]);
11537 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11539 ReloadGame (int offset)
11541 int gameNumber = lastLoadGameNumber + offset;
11542 if (lastLoadGameFP == NULL) {
11543 DisplayError(_("No game has been loaded yet"), 0);
11546 if (gameNumber <= 0) {
11547 DisplayError(_("Can't back up any further"), 0);
11550 if (cmailMsgLoaded) {
11551 return CmailLoadGame(lastLoadGameFP, gameNumber,
11552 lastLoadGameTitle, lastLoadGameUseList);
11554 return LoadGame(lastLoadGameFP, gameNumber,
11555 lastLoadGameTitle, lastLoadGameUseList);
11559 int keys[EmptySquare+1];
11562 PositionMatches (Board b1, Board b2)
11565 switch(appData.searchMode) {
11566 case 1: return CompareWithRights(b1, b2);
11568 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11569 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11573 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11574 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11575 sum += keys[b1[r][f]] - keys[b2[r][f]];
11579 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11580 sum += keys[b1[r][f]] - keys[b2[r][f]];
11592 int pieceList[256], quickBoard[256];
11593 ChessSquare pieceType[256] = { EmptySquare };
11594 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11595 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11596 int soughtTotal, turn;
11597 Boolean epOK, flipSearch;
11600 unsigned char piece, to;
11603 #define DSIZE (250000)
11605 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11606 Move *moveDatabase = initialSpace;
11607 unsigned int movePtr, dataSize = DSIZE;
11610 MakePieceList (Board board, int *counts)
11612 int r, f, n=Q_PROMO, total=0;
11613 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11614 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11615 int sq = f + (r<<4);
11616 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11617 quickBoard[sq] = ++n;
11619 pieceType[n] = board[r][f];
11620 counts[board[r][f]]++;
11621 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11622 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11626 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11631 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11633 int sq = fromX + (fromY<<4);
11634 int piece = quickBoard[sq];
11635 quickBoard[sq] = 0;
11636 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11637 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11638 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11639 moveDatabase[movePtr++].piece = Q_WCASTL;
11640 quickBoard[sq] = piece;
11641 piece = quickBoard[from]; quickBoard[from] = 0;
11642 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11644 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11645 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11646 moveDatabase[movePtr++].piece = Q_BCASTL;
11647 quickBoard[sq] = piece;
11648 piece = quickBoard[from]; quickBoard[from] = 0;
11649 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11651 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11652 quickBoard[(fromY<<4)+toX] = 0;
11653 moveDatabase[movePtr].piece = Q_EP;
11654 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11655 moveDatabase[movePtr].to = sq;
11657 if(promoPiece != pieceType[piece]) {
11658 moveDatabase[movePtr++].piece = Q_PROMO;
11659 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11661 moveDatabase[movePtr].piece = piece;
11662 quickBoard[sq] = piece;
11667 PackGame (Board board)
11669 Move *newSpace = NULL;
11670 moveDatabase[movePtr].piece = 0; // terminate previous game
11671 if(movePtr > dataSize) {
11672 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11673 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11674 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11677 Move *p = moveDatabase, *q = newSpace;
11678 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11679 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11680 moveDatabase = newSpace;
11681 } else { // calloc failed, we must be out of memory. Too bad...
11682 dataSize = 0; // prevent calloc events for all subsequent games
11683 return 0; // and signal this one isn't cached
11687 MakePieceList(board, counts);
11692 QuickCompare (Board board, int *minCounts, int *maxCounts)
11693 { // compare according to search mode
11695 switch(appData.searchMode)
11697 case 1: // exact position match
11698 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11699 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11700 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11703 case 2: // can have extra material on empty squares
11704 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11705 if(board[r][f] == EmptySquare) continue;
11706 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11709 case 3: // material with exact Pawn structure
11710 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11711 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11712 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11713 } // fall through to material comparison
11714 case 4: // exact material
11715 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11717 case 6: // material range with given imbalance
11718 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11719 // fall through to range comparison
11720 case 5: // material range
11721 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11727 QuickScan (Board board, Move *move)
11728 { // reconstruct game,and compare all positions in it
11729 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11731 int piece = move->piece;
11732 int to = move->to, from = pieceList[piece];
11733 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11734 if(!piece) return -1;
11735 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11736 piece = (++move)->piece;
11737 from = pieceList[piece];
11738 counts[pieceType[piece]]--;
11739 pieceType[piece] = (ChessSquare) move->to;
11740 counts[move->to]++;
11741 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11742 counts[pieceType[quickBoard[to]]]--;
11743 quickBoard[to] = 0; total--;
11746 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11747 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11748 from = pieceList[piece]; // so this must be King
11749 quickBoard[from] = 0;
11750 pieceList[piece] = to;
11751 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11752 quickBoard[from] = 0; // rook
11753 quickBoard[to] = piece;
11754 to = move->to; piece = move->piece;
11758 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11759 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11760 quickBoard[from] = 0;
11762 quickBoard[to] = piece;
11763 pieceList[piece] = to;
11765 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11766 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11767 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11768 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11770 static int lastCounts[EmptySquare+1];
11772 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11773 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11774 } else stretch = 0;
11775 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11784 flipSearch = FALSE;
11785 CopyBoard(soughtBoard, boards[currentMove]);
11786 soughtTotal = MakePieceList(soughtBoard, maxSought);
11787 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11788 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11789 CopyBoard(reverseBoard, boards[currentMove]);
11790 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11791 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11792 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11793 reverseBoard[r][f] = piece;
11795 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11796 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11797 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11798 || (boards[currentMove][CASTLING][2] == NoRights ||
11799 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11800 && (boards[currentMove][CASTLING][5] == NoRights ||
11801 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11804 CopyBoard(flipBoard, soughtBoard);
11805 CopyBoard(rotateBoard, reverseBoard);
11806 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11807 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11808 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11811 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11812 if(appData.searchMode >= 5) {
11813 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11814 MakePieceList(soughtBoard, minSought);
11815 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11817 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11818 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11821 GameInfo dummyInfo;
11822 static int creatingBook;
11825 GameContainsPosition (FILE *f, ListGame *lg)
11827 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11828 int fromX, fromY, toX, toY;
11830 static int initDone=FALSE;
11832 // weed out games based on numerical tag comparison
11833 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11834 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11835 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11836 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11838 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11841 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11842 else CopyBoard(boards[scratch], initialPosition); // default start position
11845 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11846 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11849 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11850 fseek(f, lg->offset, 0);
11853 yyboardindex = scratch;
11854 quickFlag = plyNr+1;
11859 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11865 if(plyNr) return -1; // after we have seen moves, this is for new game
11868 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11869 case ImpossibleMove:
11870 case WhiteWins: // game ends here with these four
11873 case GameUnfinished:
11877 if(appData.testLegality) return -1;
11878 case WhiteCapturesEnPassant:
11879 case BlackCapturesEnPassant:
11880 case WhitePromotion:
11881 case BlackPromotion:
11882 case WhiteNonPromotion:
11883 case BlackNonPromotion:
11885 case WhiteKingSideCastle:
11886 case WhiteQueenSideCastle:
11887 case BlackKingSideCastle:
11888 case BlackQueenSideCastle:
11889 case WhiteKingSideCastleWild:
11890 case WhiteQueenSideCastleWild:
11891 case BlackKingSideCastleWild:
11892 case BlackQueenSideCastleWild:
11893 case WhiteHSideCastleFR:
11894 case WhiteASideCastleFR:
11895 case BlackHSideCastleFR:
11896 case BlackASideCastleFR:
11897 fromX = currentMoveString[0] - AAA;
11898 fromY = currentMoveString[1] - ONE;
11899 toX = currentMoveString[2] - AAA;
11900 toY = currentMoveString[3] - ONE;
11901 promoChar = currentMoveString[4];
11905 fromX = next == WhiteDrop ?
11906 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11907 (int) CharToPiece(ToLower(currentMoveString[0]));
11909 toX = currentMoveString[2] - AAA;
11910 toY = currentMoveString[3] - ONE;
11914 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11916 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11917 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11918 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11919 if(appData.findMirror) {
11920 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11921 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11926 /* Load the nth game from open file f */
11928 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11932 int gn = gameNumber;
11933 ListGame *lg = NULL;
11934 int numPGNTags = 0;
11936 GameMode oldGameMode;
11937 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11939 if (appData.debugMode)
11940 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11942 if (gameMode == Training )
11943 SetTrainingModeOff();
11945 oldGameMode = gameMode;
11946 if (gameMode != BeginningOfGame) {
11947 Reset(FALSE, TRUE);
11951 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11952 fclose(lastLoadGameFP);
11956 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11959 fseek(f, lg->offset, 0);
11960 GameListHighlight(gameNumber);
11961 pos = lg->position;
11965 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
11966 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
11968 DisplayError(_("Game number out of range"), 0);
11973 if (fseek(f, 0, 0) == -1) {
11974 if (f == lastLoadGameFP ?
11975 gameNumber == lastLoadGameNumber + 1 :
11979 DisplayError(_("Can't seek on game file"), 0);
11984 lastLoadGameFP = f;
11985 lastLoadGameNumber = gameNumber;
11986 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11987 lastLoadGameUseList = useList;
11991 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11992 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11993 lg->gameInfo.black);
11995 } else if (*title != NULLCHAR) {
11996 if (gameNumber > 1) {
11997 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12000 DisplayTitle(title);
12004 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12005 gameMode = PlayFromGameFile;
12009 currentMove = forwardMostMove = backwardMostMove = 0;
12010 CopyBoard(boards[0], initialPosition);
12014 * Skip the first gn-1 games in the file.
12015 * Also skip over anything that precedes an identifiable
12016 * start of game marker, to avoid being confused by
12017 * garbage at the start of the file. Currently
12018 * recognized start of game markers are the move number "1",
12019 * the pattern "gnuchess .* game", the pattern
12020 * "^[#;%] [^ ]* game file", and a PGN tag block.
12021 * A game that starts with one of the latter two patterns
12022 * will also have a move number 1, possibly
12023 * following a position diagram.
12024 * 5-4-02: Let's try being more lenient and allowing a game to
12025 * start with an unnumbered move. Does that break anything?
12027 cm = lastLoadGameStart = EndOfFile;
12029 yyboardindex = forwardMostMove;
12030 cm = (ChessMove) Myylex();
12033 if (cmailMsgLoaded) {
12034 nCmailGames = CMAIL_MAX_GAMES - gn;
12037 DisplayError(_("Game not found in file"), 0);
12044 lastLoadGameStart = cm;
12047 case MoveNumberOne:
12048 switch (lastLoadGameStart) {
12053 case MoveNumberOne:
12055 gn--; /* count this game */
12056 lastLoadGameStart = cm;
12065 switch (lastLoadGameStart) {
12068 case MoveNumberOne:
12070 gn--; /* count this game */
12071 lastLoadGameStart = cm;
12074 lastLoadGameStart = cm; /* game counted already */
12082 yyboardindex = forwardMostMove;
12083 cm = (ChessMove) Myylex();
12084 } while (cm == PGNTag || cm == Comment);
12091 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12092 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12093 != CMAIL_OLD_RESULT) {
12095 cmailResult[ CMAIL_MAX_GAMES
12096 - gn - 1] = CMAIL_OLD_RESULT;
12102 /* Only a NormalMove can be at the start of a game
12103 * without a position diagram. */
12104 if (lastLoadGameStart == EndOfFile ) {
12106 lastLoadGameStart = MoveNumberOne;
12115 if (appData.debugMode)
12116 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12118 if (cm == XBoardGame) {
12119 /* Skip any header junk before position diagram and/or move 1 */
12121 yyboardindex = forwardMostMove;
12122 cm = (ChessMove) Myylex();
12124 if (cm == EndOfFile ||
12125 cm == GNUChessGame || cm == XBoardGame) {
12126 /* Empty game; pretend end-of-file and handle later */
12131 if (cm == MoveNumberOne || cm == PositionDiagram ||
12132 cm == PGNTag || cm == Comment)
12135 } else if (cm == GNUChessGame) {
12136 if (gameInfo.event != NULL) {
12137 free(gameInfo.event);
12139 gameInfo.event = StrSave(yy_text);
12142 startedFromSetupPosition = FALSE;
12143 while (cm == PGNTag) {
12144 if (appData.debugMode)
12145 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12146 err = ParsePGNTag(yy_text, &gameInfo);
12147 if (!err) numPGNTags++;
12149 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12150 if(gameInfo.variant != oldVariant) {
12151 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12152 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12153 InitPosition(TRUE);
12154 oldVariant = gameInfo.variant;
12155 if (appData.debugMode)
12156 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12160 if (gameInfo.fen != NULL) {
12161 Board initial_position;
12162 startedFromSetupPosition = TRUE;
12163 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12165 DisplayError(_("Bad FEN position in file"), 0);
12168 CopyBoard(boards[0], initial_position);
12169 if (blackPlaysFirst) {
12170 currentMove = forwardMostMove = backwardMostMove = 1;
12171 CopyBoard(boards[1], initial_position);
12172 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12173 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12174 timeRemaining[0][1] = whiteTimeRemaining;
12175 timeRemaining[1][1] = blackTimeRemaining;
12176 if (commentList[0] != NULL) {
12177 commentList[1] = commentList[0];
12178 commentList[0] = NULL;
12181 currentMove = forwardMostMove = backwardMostMove = 0;
12183 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12185 initialRulePlies = FENrulePlies;
12186 for( i=0; i< nrCastlingRights; i++ )
12187 initialRights[i] = initial_position[CASTLING][i];
12189 yyboardindex = forwardMostMove;
12190 free(gameInfo.fen);
12191 gameInfo.fen = NULL;
12194 yyboardindex = forwardMostMove;
12195 cm = (ChessMove) Myylex();
12197 /* Handle comments interspersed among the tags */
12198 while (cm == Comment) {
12200 if (appData.debugMode)
12201 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12203 AppendComment(currentMove, p, FALSE);
12204 yyboardindex = forwardMostMove;
12205 cm = (ChessMove) Myylex();
12209 /* don't rely on existence of Event tag since if game was
12210 * pasted from clipboard the Event tag may not exist
12212 if (numPGNTags > 0){
12214 if (gameInfo.variant == VariantNormal) {
12215 VariantClass v = StringToVariant(gameInfo.event);
12216 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12217 if(v < VariantShogi) gameInfo.variant = v;
12220 if( appData.autoDisplayTags ) {
12221 tags = PGNTags(&gameInfo);
12222 TagsPopUp(tags, CmailMsg());
12227 /* Make something up, but don't display it now */
12232 if (cm == PositionDiagram) {
12235 Board initial_position;
12237 if (appData.debugMode)
12238 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12240 if (!startedFromSetupPosition) {
12242 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12243 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12254 initial_position[i][j++] = CharToPiece(*p);
12257 while (*p == ' ' || *p == '\t' ||
12258 *p == '\n' || *p == '\r') p++;
12260 if (strncmp(p, "black", strlen("black"))==0)
12261 blackPlaysFirst = TRUE;
12263 blackPlaysFirst = FALSE;
12264 startedFromSetupPosition = TRUE;
12266 CopyBoard(boards[0], initial_position);
12267 if (blackPlaysFirst) {
12268 currentMove = forwardMostMove = backwardMostMove = 1;
12269 CopyBoard(boards[1], initial_position);
12270 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12271 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12272 timeRemaining[0][1] = whiteTimeRemaining;
12273 timeRemaining[1][1] = blackTimeRemaining;
12274 if (commentList[0] != NULL) {
12275 commentList[1] = commentList[0];
12276 commentList[0] = NULL;
12279 currentMove = forwardMostMove = backwardMostMove = 0;
12282 yyboardindex = forwardMostMove;
12283 cm = (ChessMove) Myylex();
12286 if(!creatingBook) {
12287 if (first.pr == NoProc) {
12288 StartChessProgram(&first);
12290 InitChessProgram(&first, FALSE);
12291 SendToProgram("force\n", &first);
12292 if (startedFromSetupPosition) {
12293 SendBoard(&first, forwardMostMove);
12294 if (appData.debugMode) {
12295 fprintf(debugFP, "Load Game\n");
12297 DisplayBothClocks();
12301 /* [HGM] server: flag to write setup moves in broadcast file as one */
12302 loadFlag = appData.suppressLoadMoves;
12304 while (cm == Comment) {
12306 if (appData.debugMode)
12307 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12309 AppendComment(currentMove, p, FALSE);
12310 yyboardindex = forwardMostMove;
12311 cm = (ChessMove) Myylex();
12314 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12315 cm == WhiteWins || cm == BlackWins ||
12316 cm == GameIsDrawn || cm == GameUnfinished) {
12317 DisplayMessage("", _("No moves in game"));
12318 if (cmailMsgLoaded) {
12319 if (appData.debugMode)
12320 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12324 DrawPosition(FALSE, boards[currentMove]);
12325 DisplayBothClocks();
12326 gameMode = EditGame;
12333 // [HGM] PV info: routine tests if comment empty
12334 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12335 DisplayComment(currentMove - 1, commentList[currentMove]);
12337 if (!matchMode && appData.timeDelay != 0)
12338 DrawPosition(FALSE, boards[currentMove]);
12340 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12341 programStats.ok_to_send = 1;
12344 /* if the first token after the PGN tags is a move
12345 * and not move number 1, retrieve it from the parser
12347 if (cm != MoveNumberOne)
12348 LoadGameOneMove(cm);
12350 /* load the remaining moves from the file */
12351 while (LoadGameOneMove(EndOfFile)) {
12352 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12353 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12356 /* rewind to the start of the game */
12357 currentMove = backwardMostMove;
12359 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12361 if (oldGameMode == AnalyzeFile ||
12362 oldGameMode == AnalyzeMode) {
12363 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12364 AnalyzeFileEvent();
12367 if(creatingBook) return TRUE;
12368 if (!matchMode && pos > 0) {
12369 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12371 if (matchMode || appData.timeDelay == 0) {
12373 } else if (appData.timeDelay > 0) {
12374 AutoPlayGameLoop();
12377 if (appData.debugMode)
12378 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12380 loadFlag = 0; /* [HGM] true game starts */
12384 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12386 ReloadPosition (int offset)
12388 int positionNumber = lastLoadPositionNumber + offset;
12389 if (lastLoadPositionFP == NULL) {
12390 DisplayError(_("No position has been loaded yet"), 0);
12393 if (positionNumber <= 0) {
12394 DisplayError(_("Can't back up any further"), 0);
12397 return LoadPosition(lastLoadPositionFP, positionNumber,
12398 lastLoadPositionTitle);
12401 /* Load the nth position from the given file */
12403 LoadPositionFromFile (char *filename, int n, char *title)
12408 if (strcmp(filename, "-") == 0) {
12409 return LoadPosition(stdin, n, "stdin");
12411 f = fopen(filename, "rb");
12413 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12414 DisplayError(buf, errno);
12417 return LoadPosition(f, n, title);
12422 /* Load the nth position from the given open file, and close it */
12424 LoadPosition (FILE *f, int positionNumber, char *title)
12426 char *p, line[MSG_SIZ];
12427 Board initial_position;
12428 int i, j, fenMode, pn;
12430 if (gameMode == Training )
12431 SetTrainingModeOff();
12433 if (gameMode != BeginningOfGame) {
12434 Reset(FALSE, TRUE);
12436 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12437 fclose(lastLoadPositionFP);
12439 if (positionNumber == 0) positionNumber = 1;
12440 lastLoadPositionFP = f;
12441 lastLoadPositionNumber = positionNumber;
12442 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12443 if (first.pr == NoProc && !appData.noChessProgram) {
12444 StartChessProgram(&first);
12445 InitChessProgram(&first, FALSE);
12447 pn = positionNumber;
12448 if (positionNumber < 0) {
12449 /* Negative position number means to seek to that byte offset */
12450 if (fseek(f, -positionNumber, 0) == -1) {
12451 DisplayError(_("Can't seek on position file"), 0);
12456 if (fseek(f, 0, 0) == -1) {
12457 if (f == lastLoadPositionFP ?
12458 positionNumber == lastLoadPositionNumber + 1 :
12459 positionNumber == 1) {
12462 DisplayError(_("Can't seek on position file"), 0);
12467 /* See if this file is FEN or old-style xboard */
12468 if (fgets(line, MSG_SIZ, f) == NULL) {
12469 DisplayError(_("Position not found in file"), 0);
12472 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12473 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12476 if (fenMode || line[0] == '#') pn--;
12478 /* skip positions before number pn */
12479 if (fgets(line, MSG_SIZ, f) == NULL) {
12481 DisplayError(_("Position not found in file"), 0);
12484 if (fenMode || line[0] == '#') pn--;
12489 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12490 DisplayError(_("Bad FEN position in file"), 0);
12494 (void) fgets(line, MSG_SIZ, f);
12495 (void) fgets(line, MSG_SIZ, f);
12497 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12498 (void) fgets(line, MSG_SIZ, f);
12499 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12502 initial_position[i][j++] = CharToPiece(*p);
12506 blackPlaysFirst = FALSE;
12508 (void) fgets(line, MSG_SIZ, f);
12509 if (strncmp(line, "black", strlen("black"))==0)
12510 blackPlaysFirst = TRUE;
12513 startedFromSetupPosition = TRUE;
12515 CopyBoard(boards[0], initial_position);
12516 if (blackPlaysFirst) {
12517 currentMove = forwardMostMove = backwardMostMove = 1;
12518 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12519 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12520 CopyBoard(boards[1], initial_position);
12521 DisplayMessage("", _("Black to play"));
12523 currentMove = forwardMostMove = backwardMostMove = 0;
12524 DisplayMessage("", _("White to play"));
12526 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12527 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12528 SendToProgram("force\n", &first);
12529 SendBoard(&first, forwardMostMove);
12531 if (appData.debugMode) {
12533 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12534 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12535 fprintf(debugFP, "Load Position\n");
12538 if (positionNumber > 1) {
12539 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12540 DisplayTitle(line);
12542 DisplayTitle(title);
12544 gameMode = EditGame;
12547 timeRemaining[0][1] = whiteTimeRemaining;
12548 timeRemaining[1][1] = blackTimeRemaining;
12549 DrawPosition(FALSE, boards[currentMove]);
12556 CopyPlayerNameIntoFileName (char **dest, char *src)
12558 while (*src != NULLCHAR && *src != ',') {
12563 *(*dest)++ = *src++;
12569 DefaultFileName (char *ext)
12571 static char def[MSG_SIZ];
12574 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12576 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12578 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12580 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12587 /* Save the current game to the given file */
12589 SaveGameToFile (char *filename, int append)
12593 int result, i, t,tot=0;
12595 if (strcmp(filename, "-") == 0) {
12596 return SaveGame(stdout, 0, NULL);
12598 for(i=0; i<10; i++) { // upto 10 tries
12599 f = fopen(filename, append ? "a" : "w");
12600 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12601 if(f || errno != 13) break;
12602 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12606 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12607 DisplayError(buf, errno);
12610 safeStrCpy(buf, lastMsg, MSG_SIZ);
12611 DisplayMessage(_("Waiting for access to save file"), "");
12612 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12613 DisplayMessage(_("Saving game"), "");
12614 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12615 result = SaveGame(f, 0, NULL);
12616 DisplayMessage(buf, "");
12623 SavePart (char *str)
12625 static char buf[MSG_SIZ];
12628 p = strchr(str, ' ');
12629 if (p == NULL) return str;
12630 strncpy(buf, str, p - str);
12631 buf[p - str] = NULLCHAR;
12635 #define PGN_MAX_LINE 75
12637 #define PGN_SIDE_WHITE 0
12638 #define PGN_SIDE_BLACK 1
12641 FindFirstMoveOutOfBook (int side)
12645 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12646 int index = backwardMostMove;
12647 int has_book_hit = 0;
12649 if( (index % 2) != side ) {
12653 while( index < forwardMostMove ) {
12654 /* Check to see if engine is in book */
12655 int depth = pvInfoList[index].depth;
12656 int score = pvInfoList[index].score;
12662 else if( score == 0 && depth == 63 ) {
12663 in_book = 1; /* Zappa */
12665 else if( score == 2 && depth == 99 ) {
12666 in_book = 1; /* Abrok */
12669 has_book_hit += in_book;
12685 GetOutOfBookInfo (char * buf)
12689 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12691 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12692 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12696 if( oob[0] >= 0 || oob[1] >= 0 ) {
12697 for( i=0; i<2; i++ ) {
12701 if( i > 0 && oob[0] >= 0 ) {
12702 strcat( buf, " " );
12705 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12706 sprintf( buf+strlen(buf), "%s%.2f",
12707 pvInfoList[idx].score >= 0 ? "+" : "",
12708 pvInfoList[idx].score / 100.0 );
12714 /* Save game in PGN style and close the file */
12716 SaveGamePGN (FILE *f)
12718 int i, offset, linelen, newblock;
12721 int movelen, numlen, blank;
12722 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12724 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12726 PrintPGNTags(f, &gameInfo);
12728 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12730 if (backwardMostMove > 0 || startedFromSetupPosition) {
12731 char *fen = PositionToFEN(backwardMostMove, NULL);
12732 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12733 fprintf(f, "\n{--------------\n");
12734 PrintPosition(f, backwardMostMove);
12735 fprintf(f, "--------------}\n");
12739 /* [AS] Out of book annotation */
12740 if( appData.saveOutOfBookInfo ) {
12743 GetOutOfBookInfo( buf );
12745 if( buf[0] != '\0' ) {
12746 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12753 i = backwardMostMove;
12757 while (i < forwardMostMove) {
12758 /* Print comments preceding this move */
12759 if (commentList[i] != NULL) {
12760 if (linelen > 0) fprintf(f, "\n");
12761 fprintf(f, "%s", commentList[i]);
12766 /* Format move number */
12768 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12771 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12773 numtext[0] = NULLCHAR;
12775 numlen = strlen(numtext);
12778 /* Print move number */
12779 blank = linelen > 0 && numlen > 0;
12780 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12789 fprintf(f, "%s", numtext);
12793 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12794 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12797 blank = linelen > 0 && movelen > 0;
12798 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12807 fprintf(f, "%s", move_buffer);
12808 linelen += movelen;
12810 /* [AS] Add PV info if present */
12811 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12812 /* [HGM] add time */
12813 char buf[MSG_SIZ]; int seconds;
12815 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12821 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12824 seconds = (seconds + 4)/10; // round to full seconds
12826 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12828 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12831 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12832 pvInfoList[i].score >= 0 ? "+" : "",
12833 pvInfoList[i].score / 100.0,
12834 pvInfoList[i].depth,
12837 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12839 /* Print score/depth */
12840 blank = linelen > 0 && movelen > 0;
12841 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12850 fprintf(f, "%s", move_buffer);
12851 linelen += movelen;
12857 /* Start a new line */
12858 if (linelen > 0) fprintf(f, "\n");
12860 /* Print comments after last move */
12861 if (commentList[i] != NULL) {
12862 fprintf(f, "%s\n", commentList[i]);
12866 if (gameInfo.resultDetails != NULL &&
12867 gameInfo.resultDetails[0] != NULLCHAR) {
12868 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12869 PGNResult(gameInfo.result));
12871 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12875 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12879 /* Save game in old style and close the file */
12881 SaveGameOldStyle (FILE *f)
12886 tm = time((time_t *) NULL);
12888 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12891 if (backwardMostMove > 0 || startedFromSetupPosition) {
12892 fprintf(f, "\n[--------------\n");
12893 PrintPosition(f, backwardMostMove);
12894 fprintf(f, "--------------]\n");
12899 i = backwardMostMove;
12900 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12902 while (i < forwardMostMove) {
12903 if (commentList[i] != NULL) {
12904 fprintf(f, "[%s]\n", commentList[i]);
12907 if ((i % 2) == 1) {
12908 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12911 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12913 if (commentList[i] != NULL) {
12917 if (i >= forwardMostMove) {
12921 fprintf(f, "%s\n", parseList[i]);
12926 if (commentList[i] != NULL) {
12927 fprintf(f, "[%s]\n", commentList[i]);
12930 /* This isn't really the old style, but it's close enough */
12931 if (gameInfo.resultDetails != NULL &&
12932 gameInfo.resultDetails[0] != NULLCHAR) {
12933 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12934 gameInfo.resultDetails);
12936 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12943 /* Save the current game to open file f and close the file */
12945 SaveGame (FILE *f, int dummy, char *dummy2)
12947 if (gameMode == EditPosition) EditPositionDone(TRUE);
12948 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12949 if (appData.oldSaveStyle)
12950 return SaveGameOldStyle(f);
12952 return SaveGamePGN(f);
12955 /* Save the current position to the given file */
12957 SavePositionToFile (char *filename)
12962 if (strcmp(filename, "-") == 0) {
12963 return SavePosition(stdout, 0, NULL);
12965 f = fopen(filename, "a");
12967 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12968 DisplayError(buf, errno);
12971 safeStrCpy(buf, lastMsg, MSG_SIZ);
12972 DisplayMessage(_("Waiting for access to save file"), "");
12973 flock(fileno(f), LOCK_EX); // [HGM] lock
12974 DisplayMessage(_("Saving position"), "");
12975 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12976 SavePosition(f, 0, NULL);
12977 DisplayMessage(buf, "");
12983 /* Save the current position to the given open file and close the file */
12985 SavePosition (FILE *f, int dummy, char *dummy2)
12990 if (gameMode == EditPosition) EditPositionDone(TRUE);
12991 if (appData.oldSaveStyle) {
12992 tm = time((time_t *) NULL);
12994 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12996 fprintf(f, "[--------------\n");
12997 PrintPosition(f, currentMove);
12998 fprintf(f, "--------------]\n");
13000 fen = PositionToFEN(currentMove, NULL);
13001 fprintf(f, "%s\n", fen);
13009 ReloadCmailMsgEvent (int unregister)
13012 static char *inFilename = NULL;
13013 static char *outFilename;
13015 struct stat inbuf, outbuf;
13018 /* Any registered moves are unregistered if unregister is set, */
13019 /* i.e. invoked by the signal handler */
13021 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13022 cmailMoveRegistered[i] = FALSE;
13023 if (cmailCommentList[i] != NULL) {
13024 free(cmailCommentList[i]);
13025 cmailCommentList[i] = NULL;
13028 nCmailMovesRegistered = 0;
13031 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13032 cmailResult[i] = CMAIL_NOT_RESULT;
13036 if (inFilename == NULL) {
13037 /* Because the filenames are static they only get malloced once */
13038 /* and they never get freed */
13039 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13040 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13042 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13043 sprintf(outFilename, "%s.out", appData.cmailGameName);
13046 status = stat(outFilename, &outbuf);
13048 cmailMailedMove = FALSE;
13050 status = stat(inFilename, &inbuf);
13051 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13054 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13055 counts the games, notes how each one terminated, etc.
13057 It would be nice to remove this kludge and instead gather all
13058 the information while building the game list. (And to keep it
13059 in the game list nodes instead of having a bunch of fixed-size
13060 parallel arrays.) Note this will require getting each game's
13061 termination from the PGN tags, as the game list builder does
13062 not process the game moves. --mann
13064 cmailMsgLoaded = TRUE;
13065 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13067 /* Load first game in the file or popup game menu */
13068 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13070 #endif /* !WIN32 */
13078 char string[MSG_SIZ];
13080 if ( cmailMailedMove
13081 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13082 return TRUE; /* Allow free viewing */
13085 /* Unregister move to ensure that we don't leave RegisterMove */
13086 /* with the move registered when the conditions for registering no */
13088 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13089 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13090 nCmailMovesRegistered --;
13092 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13094 free(cmailCommentList[lastLoadGameNumber - 1]);
13095 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13099 if (cmailOldMove == -1) {
13100 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13104 if (currentMove > cmailOldMove + 1) {
13105 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13109 if (currentMove < cmailOldMove) {
13110 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13114 if (forwardMostMove > currentMove) {
13115 /* Silently truncate extra moves */
13119 if ( (currentMove == cmailOldMove + 1)
13120 || ( (currentMove == cmailOldMove)
13121 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13122 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13123 if (gameInfo.result != GameUnfinished) {
13124 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13127 if (commentList[currentMove] != NULL) {
13128 cmailCommentList[lastLoadGameNumber - 1]
13129 = StrSave(commentList[currentMove]);
13131 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13133 if (appData.debugMode)
13134 fprintf(debugFP, "Saving %s for game %d\n",
13135 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13137 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13139 f = fopen(string, "w");
13140 if (appData.oldSaveStyle) {
13141 SaveGameOldStyle(f); /* also closes the file */
13143 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13144 f = fopen(string, "w");
13145 SavePosition(f, 0, NULL); /* also closes the file */
13147 fprintf(f, "{--------------\n");
13148 PrintPosition(f, currentMove);
13149 fprintf(f, "--------------}\n\n");
13151 SaveGame(f, 0, NULL); /* also closes the file*/
13154 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13155 nCmailMovesRegistered ++;
13156 } else if (nCmailGames == 1) {
13157 DisplayError(_("You have not made a move yet"), 0);
13168 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13169 FILE *commandOutput;
13170 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13171 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13177 if (! cmailMsgLoaded) {
13178 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13182 if (nCmailGames == nCmailResults) {
13183 DisplayError(_("No unfinished games"), 0);
13187 #if CMAIL_PROHIBIT_REMAIL
13188 if (cmailMailedMove) {
13189 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);
13190 DisplayError(msg, 0);
13195 if (! (cmailMailedMove || RegisterMove())) return;
13197 if ( cmailMailedMove
13198 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13199 snprintf(string, MSG_SIZ, partCommandString,
13200 appData.debugMode ? " -v" : "", appData.cmailGameName);
13201 commandOutput = popen(string, "r");
13203 if (commandOutput == NULL) {
13204 DisplayError(_("Failed to invoke cmail"), 0);
13206 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13207 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13209 if (nBuffers > 1) {
13210 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13211 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13212 nBytes = MSG_SIZ - 1;
13214 (void) memcpy(msg, buffer, nBytes);
13216 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13218 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13219 cmailMailedMove = TRUE; /* Prevent >1 moves */
13222 for (i = 0; i < nCmailGames; i ++) {
13223 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13228 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13230 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13232 appData.cmailGameName,
13234 LoadGameFromFile(buffer, 1, buffer, FALSE);
13235 cmailMsgLoaded = FALSE;
13239 DisplayInformation(msg);
13240 pclose(commandOutput);
13243 if ((*cmailMsg) != '\0') {
13244 DisplayInformation(cmailMsg);
13249 #endif /* !WIN32 */
13258 int prependComma = 0;
13260 char string[MSG_SIZ]; /* Space for game-list */
13263 if (!cmailMsgLoaded) return "";
13265 if (cmailMailedMove) {
13266 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13268 /* Create a list of games left */
13269 snprintf(string, MSG_SIZ, "[");
13270 for (i = 0; i < nCmailGames; i ++) {
13271 if (! ( cmailMoveRegistered[i]
13272 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13273 if (prependComma) {
13274 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13276 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13280 strcat(string, number);
13283 strcat(string, "]");
13285 if (nCmailMovesRegistered + nCmailResults == 0) {
13286 switch (nCmailGames) {
13288 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13292 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13296 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13301 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13303 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13308 if (nCmailResults == nCmailGames) {
13309 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13311 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13316 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13328 if (gameMode == Training)
13329 SetTrainingModeOff();
13332 cmailMsgLoaded = FALSE;
13333 if (appData.icsActive) {
13334 SendToICS(ics_prefix);
13335 SendToICS("refresh\n");
13340 ExitEvent (int status)
13344 /* Give up on clean exit */
13348 /* Keep trying for clean exit */
13352 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13354 if (telnetISR != NULL) {
13355 RemoveInputSource(telnetISR);
13357 if (icsPR != NoProc) {
13358 DestroyChildProcess(icsPR, TRUE);
13361 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13362 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13364 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13365 /* make sure this other one finishes before killing it! */
13366 if(endingGame) { int count = 0;
13367 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13368 while(endingGame && count++ < 10) DoSleep(1);
13369 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13372 /* Kill off chess programs */
13373 if (first.pr != NoProc) {
13376 DoSleep( appData.delayBeforeQuit );
13377 SendToProgram("quit\n", &first);
13378 DoSleep( appData.delayAfterQuit );
13379 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13381 if (second.pr != NoProc) {
13382 DoSleep( appData.delayBeforeQuit );
13383 SendToProgram("quit\n", &second);
13384 DoSleep( appData.delayAfterQuit );
13385 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13387 if (first.isr != NULL) {
13388 RemoveInputSource(first.isr);
13390 if (second.isr != NULL) {
13391 RemoveInputSource(second.isr);
13394 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13395 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13397 ShutDownFrontEnd();
13402 PauseEngine (ChessProgramState *cps)
13404 SendToProgram("pause\n", cps);
13409 UnPauseEngine (ChessProgramState *cps)
13411 SendToProgram("resume\n", cps);
13418 if (appData.debugMode)
13419 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13423 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13425 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13426 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13427 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13429 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13430 HandleMachineMove(stashedInputMove, stalledEngine);
13431 stalledEngine = NULL;
13434 if (gameMode == MachinePlaysWhite ||
13435 gameMode == TwoMachinesPlay ||
13436 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13437 if(first.pause) UnPauseEngine(&first);
13438 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13439 if(second.pause) UnPauseEngine(&second);
13440 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13443 DisplayBothClocks();
13445 if (gameMode == PlayFromGameFile) {
13446 if (appData.timeDelay >= 0)
13447 AutoPlayGameLoop();
13448 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13449 Reset(FALSE, TRUE);
13450 SendToICS(ics_prefix);
13451 SendToICS("refresh\n");
13452 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13453 ForwardInner(forwardMostMove);
13455 pauseExamInvalid = FALSE;
13457 switch (gameMode) {
13461 pauseExamForwardMostMove = forwardMostMove;
13462 pauseExamInvalid = FALSE;
13465 case IcsPlayingWhite:
13466 case IcsPlayingBlack:
13470 case PlayFromGameFile:
13471 (void) StopLoadGameTimer();
13475 case BeginningOfGame:
13476 if (appData.icsActive) return;
13477 /* else fall through */
13478 case MachinePlaysWhite:
13479 case MachinePlaysBlack:
13480 case TwoMachinesPlay:
13481 if (forwardMostMove == 0)
13482 return; /* don't pause if no one has moved */
13483 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13484 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13485 if(onMove->pause) { // thinking engine can be paused
13486 PauseEngine(onMove); // do it
13487 if(onMove->other->pause) // pondering opponent can always be paused immediately
13488 PauseEngine(onMove->other);
13490 SendToProgram("easy\n", onMove->other);
13492 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13493 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13495 PauseEngine(&first);
13497 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13498 } else { // human on move, pause pondering by either method
13500 PauseEngine(&first);
13501 else if(appData.ponderNextMove)
13502 SendToProgram("easy\n", &first);
13505 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13515 EditCommentEvent ()
13517 char title[MSG_SIZ];
13519 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13520 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13522 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13523 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13524 parseList[currentMove - 1]);
13527 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13534 char *tags = PGNTags(&gameInfo);
13536 EditTagsPopUp(tags, NULL);
13543 if(second.analyzing) {
13544 SendToProgram("exit\n", &second);
13545 second.analyzing = FALSE;
13547 if (second.pr == NoProc) StartChessProgram(&second);
13548 InitChessProgram(&second, FALSE);
13549 FeedMovesToProgram(&second, currentMove);
13551 SendToProgram("analyze\n", &second);
13552 second.analyzing = TRUE;
13556 /* Toggle ShowThinking */
13558 ToggleShowThinking()
13560 appData.showThinking = !appData.showThinking;
13561 ShowThinkingEvent();
13565 AnalyzeModeEvent ()
13569 if (!first.analysisSupport) {
13570 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13571 DisplayError(buf, 0);
13574 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13575 if (appData.icsActive) {
13576 if (gameMode != IcsObserving) {
13577 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13578 DisplayError(buf, 0);
13580 if (appData.icsEngineAnalyze) {
13581 if (appData.debugMode)
13582 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13588 /* if enable, user wants to disable icsEngineAnalyze */
13589 if (appData.icsEngineAnalyze) {
13594 appData.icsEngineAnalyze = TRUE;
13595 if (appData.debugMode)
13596 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13599 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13600 if (appData.noChessProgram || gameMode == AnalyzeMode)
13603 if (gameMode != AnalyzeFile) {
13604 if (!appData.icsEngineAnalyze) {
13606 if (gameMode != EditGame) return 0;
13608 if (!appData.showThinking) ToggleShowThinking();
13609 ResurrectChessProgram();
13610 SendToProgram("analyze\n", &first);
13611 first.analyzing = TRUE;
13612 /*first.maybeThinking = TRUE;*/
13613 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13614 EngineOutputPopUp();
13616 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13621 StartAnalysisClock();
13622 GetTimeMark(&lastNodeCountTime);
13628 AnalyzeFileEvent ()
13630 if (appData.noChessProgram || gameMode == AnalyzeFile)
13633 if (!first.analysisSupport) {
13635 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13636 DisplayError(buf, 0);
13640 if (gameMode != AnalyzeMode) {
13641 keepInfo = 1; // mere annotating should not alter PGN tags
13644 if (gameMode != EditGame) return;
13645 if (!appData.showThinking) ToggleShowThinking();
13646 ResurrectChessProgram();
13647 SendToProgram("analyze\n", &first);
13648 first.analyzing = TRUE;
13649 /*first.maybeThinking = TRUE;*/
13650 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13651 EngineOutputPopUp();
13653 gameMode = AnalyzeFile;
13657 StartAnalysisClock();
13658 GetTimeMark(&lastNodeCountTime);
13660 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13661 AnalysisPeriodicEvent(1);
13665 MachineWhiteEvent ()
13668 char *bookHit = NULL;
13670 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13674 if (gameMode == PlayFromGameFile ||
13675 gameMode == TwoMachinesPlay ||
13676 gameMode == Training ||
13677 gameMode == AnalyzeMode ||
13678 gameMode == EndOfGame)
13681 if (gameMode == EditPosition)
13682 EditPositionDone(TRUE);
13684 if (!WhiteOnMove(currentMove)) {
13685 DisplayError(_("It is not White's turn"), 0);
13689 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13692 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13693 gameMode == AnalyzeFile)
13696 ResurrectChessProgram(); /* in case it isn't running */
13697 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13698 gameMode = MachinePlaysWhite;
13701 gameMode = MachinePlaysWhite;
13705 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13707 if (first.sendName) {
13708 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13709 SendToProgram(buf, &first);
13711 if (first.sendTime) {
13712 if (first.useColors) {
13713 SendToProgram("black\n", &first); /*gnu kludge*/
13715 SendTimeRemaining(&first, TRUE);
13717 if (first.useColors) {
13718 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13720 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13721 SetMachineThinkingEnables();
13722 first.maybeThinking = TRUE;
13726 if (appData.autoFlipView && !flipView) {
13727 flipView = !flipView;
13728 DrawPosition(FALSE, NULL);
13729 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13732 if(bookHit) { // [HGM] book: simulate book reply
13733 static char bookMove[MSG_SIZ]; // a bit generous?
13735 programStats.nodes = programStats.depth = programStats.time =
13736 programStats.score = programStats.got_only_move = 0;
13737 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13739 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13740 strcat(bookMove, bookHit);
13741 HandleMachineMove(bookMove, &first);
13746 MachineBlackEvent ()
13749 char *bookHit = NULL;
13751 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13755 if (gameMode == PlayFromGameFile ||
13756 gameMode == TwoMachinesPlay ||
13757 gameMode == Training ||
13758 gameMode == AnalyzeMode ||
13759 gameMode == EndOfGame)
13762 if (gameMode == EditPosition)
13763 EditPositionDone(TRUE);
13765 if (WhiteOnMove(currentMove)) {
13766 DisplayError(_("It is not Black's turn"), 0);
13770 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13773 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13774 gameMode == AnalyzeFile)
13777 ResurrectChessProgram(); /* in case it isn't running */
13778 gameMode = MachinePlaysBlack;
13782 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13784 if (first.sendName) {
13785 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13786 SendToProgram(buf, &first);
13788 if (first.sendTime) {
13789 if (first.useColors) {
13790 SendToProgram("white\n", &first); /*gnu kludge*/
13792 SendTimeRemaining(&first, FALSE);
13794 if (first.useColors) {
13795 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13797 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13798 SetMachineThinkingEnables();
13799 first.maybeThinking = TRUE;
13802 if (appData.autoFlipView && flipView) {
13803 flipView = !flipView;
13804 DrawPosition(FALSE, NULL);
13805 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13807 if(bookHit) { // [HGM] book: simulate book reply
13808 static char bookMove[MSG_SIZ]; // a bit generous?
13810 programStats.nodes = programStats.depth = programStats.time =
13811 programStats.score = programStats.got_only_move = 0;
13812 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13814 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13815 strcat(bookMove, bookHit);
13816 HandleMachineMove(bookMove, &first);
13822 DisplayTwoMachinesTitle ()
13825 if (appData.matchGames > 0) {
13826 if(appData.tourneyFile[0]) {
13827 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13828 gameInfo.white, _("vs."), gameInfo.black,
13829 nextGame+1, appData.matchGames+1,
13830 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13832 if (first.twoMachinesColor[0] == 'w') {
13833 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13834 gameInfo.white, _("vs."), gameInfo.black,
13835 first.matchWins, second.matchWins,
13836 matchGame - 1 - (first.matchWins + second.matchWins));
13838 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13839 gameInfo.white, _("vs."), gameInfo.black,
13840 second.matchWins, first.matchWins,
13841 matchGame - 1 - (first.matchWins + second.matchWins));
13844 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13850 SettingsMenuIfReady ()
13852 if (second.lastPing != second.lastPong) {
13853 DisplayMessage("", _("Waiting for second chess program"));
13854 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13858 DisplayMessage("", "");
13859 SettingsPopUp(&second);
13863 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13866 if (cps->pr == NoProc) {
13867 StartChessProgram(cps);
13868 if (cps->protocolVersion == 1) {
13871 /* kludge: allow timeout for initial "feature" command */
13873 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13874 DisplayMessage("", buf);
13875 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13883 TwoMachinesEvent P((void))
13887 ChessProgramState *onmove;
13888 char *bookHit = NULL;
13889 static int stalling = 0;
13893 if (appData.noChessProgram) return;
13895 switch (gameMode) {
13896 case TwoMachinesPlay:
13898 case MachinePlaysWhite:
13899 case MachinePlaysBlack:
13900 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13901 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13905 case BeginningOfGame:
13906 case PlayFromGameFile:
13909 if (gameMode != EditGame) return;
13912 EditPositionDone(TRUE);
13923 // forwardMostMove = currentMove;
13924 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13926 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13928 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13929 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13930 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13934 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13935 DisplayError("second engine does not play this", 0);
13940 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13941 SendToProgram("force\n", &second);
13943 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13946 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13947 if(appData.matchPause>10000 || appData.matchPause<10)
13948 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13949 wait = SubtractTimeMarks(&now, &pauseStart);
13950 if(wait < appData.matchPause) {
13951 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13954 // we are now committed to starting the game
13956 DisplayMessage("", "");
13957 if (startedFromSetupPosition) {
13958 SendBoard(&second, backwardMostMove);
13959 if (appData.debugMode) {
13960 fprintf(debugFP, "Two Machines\n");
13963 for (i = backwardMostMove; i < forwardMostMove; i++) {
13964 SendMoveToProgram(i, &second);
13967 gameMode = TwoMachinesPlay;
13969 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13971 DisplayTwoMachinesTitle();
13973 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13978 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13979 SendToProgram(first.computerString, &first);
13980 if (first.sendName) {
13981 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13982 SendToProgram(buf, &first);
13984 SendToProgram(second.computerString, &second);
13985 if (second.sendName) {
13986 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13987 SendToProgram(buf, &second);
13991 if (!first.sendTime || !second.sendTime) {
13992 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13993 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13995 if (onmove->sendTime) {
13996 if (onmove->useColors) {
13997 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13999 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14001 if (onmove->useColors) {
14002 SendToProgram(onmove->twoMachinesColor, onmove);
14004 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14005 // SendToProgram("go\n", onmove);
14006 onmove->maybeThinking = TRUE;
14007 SetMachineThinkingEnables();
14011 if(bookHit) { // [HGM] book: simulate book reply
14012 static char bookMove[MSG_SIZ]; // a bit generous?
14014 programStats.nodes = programStats.depth = programStats.time =
14015 programStats.score = programStats.got_only_move = 0;
14016 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14018 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14019 strcat(bookMove, bookHit);
14020 savedMessage = bookMove; // args for deferred call
14021 savedState = onmove;
14022 ScheduleDelayedEvent(DeferredBookMove, 1);
14029 if (gameMode == Training) {
14030 SetTrainingModeOff();
14031 gameMode = PlayFromGameFile;
14032 DisplayMessage("", _("Training mode off"));
14034 gameMode = Training;
14035 animateTraining = appData.animate;
14037 /* make sure we are not already at the end of the game */
14038 if (currentMove < forwardMostMove) {
14039 SetTrainingModeOn();
14040 DisplayMessage("", _("Training mode on"));
14042 gameMode = PlayFromGameFile;
14043 DisplayError(_("Already at end of game"), 0);
14052 if (!appData.icsActive) return;
14053 switch (gameMode) {
14054 case IcsPlayingWhite:
14055 case IcsPlayingBlack:
14058 case BeginningOfGame:
14066 EditPositionDone(TRUE);
14079 gameMode = IcsIdle;
14089 switch (gameMode) {
14091 SetTrainingModeOff();
14093 case MachinePlaysWhite:
14094 case MachinePlaysBlack:
14095 case BeginningOfGame:
14096 SendToProgram("force\n", &first);
14097 SetUserThinkingEnables();
14099 case PlayFromGameFile:
14100 (void) StopLoadGameTimer();
14101 if (gameFileFP != NULL) {
14106 EditPositionDone(TRUE);
14111 SendToProgram("force\n", &first);
14113 case TwoMachinesPlay:
14114 GameEnds(EndOfFile, NULL, GE_PLAYER);
14115 ResurrectChessProgram();
14116 SetUserThinkingEnables();
14119 ResurrectChessProgram();
14121 case IcsPlayingBlack:
14122 case IcsPlayingWhite:
14123 DisplayError(_("Warning: You are still playing a game"), 0);
14126 DisplayError(_("Warning: You are still observing a game"), 0);
14129 DisplayError(_("Warning: You are still examining a game"), 0);
14140 first.offeredDraw = second.offeredDraw = 0;
14142 if (gameMode == PlayFromGameFile) {
14143 whiteTimeRemaining = timeRemaining[0][currentMove];
14144 blackTimeRemaining = timeRemaining[1][currentMove];
14148 if (gameMode == MachinePlaysWhite ||
14149 gameMode == MachinePlaysBlack ||
14150 gameMode == TwoMachinesPlay ||
14151 gameMode == EndOfGame) {
14152 i = forwardMostMove;
14153 while (i > currentMove) {
14154 SendToProgram("undo\n", &first);
14157 if(!adjustedClock) {
14158 whiteTimeRemaining = timeRemaining[0][currentMove];
14159 blackTimeRemaining = timeRemaining[1][currentMove];
14160 DisplayBothClocks();
14162 if (whiteFlag || blackFlag) {
14163 whiteFlag = blackFlag = 0;
14168 gameMode = EditGame;
14175 EditPositionEvent ()
14177 if (gameMode == EditPosition) {
14183 if (gameMode != EditGame) return;
14185 gameMode = EditPosition;
14188 if (currentMove > 0)
14189 CopyBoard(boards[0], boards[currentMove]);
14191 blackPlaysFirst = !WhiteOnMove(currentMove);
14193 currentMove = forwardMostMove = backwardMostMove = 0;
14194 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14196 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14202 /* [DM] icsEngineAnalyze - possible call from other functions */
14203 if (appData.icsEngineAnalyze) {
14204 appData.icsEngineAnalyze = FALSE;
14206 DisplayMessage("",_("Close ICS engine analyze..."));
14208 if (first.analysisSupport && first.analyzing) {
14209 SendToBoth("exit\n");
14210 first.analyzing = second.analyzing = FALSE;
14212 thinkOutput[0] = NULLCHAR;
14216 EditPositionDone (Boolean fakeRights)
14218 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14220 startedFromSetupPosition = TRUE;
14221 InitChessProgram(&first, FALSE);
14222 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14223 boards[0][EP_STATUS] = EP_NONE;
14224 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14225 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14226 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14227 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14228 } else boards[0][CASTLING][2] = NoRights;
14229 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14230 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14231 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14232 } else boards[0][CASTLING][5] = NoRights;
14233 if(gameInfo.variant == VariantSChess) {
14235 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14236 boards[0][VIRGIN][i] = 0;
14237 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14238 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14242 SendToProgram("force\n", &first);
14243 if (blackPlaysFirst) {
14244 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14245 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14246 currentMove = forwardMostMove = backwardMostMove = 1;
14247 CopyBoard(boards[1], boards[0]);
14249 currentMove = forwardMostMove = backwardMostMove = 0;
14251 SendBoard(&first, forwardMostMove);
14252 if (appData.debugMode) {
14253 fprintf(debugFP, "EditPosDone\n");
14256 DisplayMessage("", "");
14257 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14258 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14259 gameMode = EditGame;
14261 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14262 ClearHighlights(); /* [AS] */
14265 /* Pause for `ms' milliseconds */
14266 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14268 TimeDelay (long ms)
14275 } while (SubtractTimeMarks(&m2, &m1) < ms);
14278 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14280 SendMultiLineToICS (char *buf)
14282 char temp[MSG_SIZ+1], *p;
14289 strncpy(temp, buf, len);
14294 if (*p == '\n' || *p == '\r')
14299 strcat(temp, "\n");
14301 SendToPlayer(temp, strlen(temp));
14305 SetWhiteToPlayEvent ()
14307 if (gameMode == EditPosition) {
14308 blackPlaysFirst = FALSE;
14309 DisplayBothClocks(); /* works because currentMove is 0 */
14310 } else if (gameMode == IcsExamining) {
14311 SendToICS(ics_prefix);
14312 SendToICS("tomove white\n");
14317 SetBlackToPlayEvent ()
14319 if (gameMode == EditPosition) {
14320 blackPlaysFirst = TRUE;
14321 currentMove = 1; /* kludge */
14322 DisplayBothClocks();
14324 } else if (gameMode == IcsExamining) {
14325 SendToICS(ics_prefix);
14326 SendToICS("tomove black\n");
14331 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14334 ChessSquare piece = boards[0][y][x];
14336 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14338 switch (selection) {
14340 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14341 SendToICS(ics_prefix);
14342 SendToICS("bsetup clear\n");
14343 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14344 SendToICS(ics_prefix);
14345 SendToICS("clearboard\n");
14347 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14348 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14349 for (y = 0; y < BOARD_HEIGHT; y++) {
14350 if (gameMode == IcsExamining) {
14351 if (boards[currentMove][y][x] != EmptySquare) {
14352 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14357 boards[0][y][x] = p;
14362 if (gameMode == EditPosition) {
14363 DrawPosition(FALSE, boards[0]);
14368 SetWhiteToPlayEvent();
14372 SetBlackToPlayEvent();
14376 if (gameMode == IcsExamining) {
14377 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14378 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14381 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14382 if(x == BOARD_LEFT-2) {
14383 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14384 boards[0][y][1] = 0;
14386 if(x == BOARD_RGHT+1) {
14387 if(y >= gameInfo.holdingsSize) break;
14388 boards[0][y][BOARD_WIDTH-2] = 0;
14391 boards[0][y][x] = EmptySquare;
14392 DrawPosition(FALSE, boards[0]);
14397 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14398 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14399 selection = (ChessSquare) (PROMOTED piece);
14400 } else if(piece == EmptySquare) selection = WhiteSilver;
14401 else selection = (ChessSquare)((int)piece - 1);
14405 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14406 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14407 selection = (ChessSquare) (DEMOTED piece);
14408 } else if(piece == EmptySquare) selection = BlackSilver;
14409 else selection = (ChessSquare)((int)piece + 1);
14414 if(gameInfo.variant == VariantShatranj ||
14415 gameInfo.variant == VariantXiangqi ||
14416 gameInfo.variant == VariantCourier ||
14417 gameInfo.variant == VariantMakruk )
14418 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14423 if(gameInfo.variant == VariantXiangqi)
14424 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14425 if(gameInfo.variant == VariantKnightmate)
14426 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14429 if (gameMode == IcsExamining) {
14430 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14431 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14432 PieceToChar(selection), AAA + x, ONE + y);
14435 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14437 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14438 n = PieceToNumber(selection - BlackPawn);
14439 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14440 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14441 boards[0][BOARD_HEIGHT-1-n][1]++;
14443 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14444 n = PieceToNumber(selection);
14445 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14446 boards[0][n][BOARD_WIDTH-1] = selection;
14447 boards[0][n][BOARD_WIDTH-2]++;
14450 boards[0][y][x] = selection;
14451 DrawPosition(TRUE, boards[0]);
14453 fromX = fromY = -1;
14461 DropMenuEvent (ChessSquare selection, int x, int y)
14463 ChessMove moveType;
14465 switch (gameMode) {
14466 case IcsPlayingWhite:
14467 case MachinePlaysBlack:
14468 if (!WhiteOnMove(currentMove)) {
14469 DisplayMoveError(_("It is Black's turn"));
14472 moveType = WhiteDrop;
14474 case IcsPlayingBlack:
14475 case MachinePlaysWhite:
14476 if (WhiteOnMove(currentMove)) {
14477 DisplayMoveError(_("It is White's turn"));
14480 moveType = BlackDrop;
14483 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14489 if (moveType == BlackDrop && selection < BlackPawn) {
14490 selection = (ChessSquare) ((int) selection
14491 + (int) BlackPawn - (int) WhitePawn);
14493 if (boards[currentMove][y][x] != EmptySquare) {
14494 DisplayMoveError(_("That square is occupied"));
14498 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14504 /* Accept a pending offer of any kind from opponent */
14506 if (appData.icsActive) {
14507 SendToICS(ics_prefix);
14508 SendToICS("accept\n");
14509 } else if (cmailMsgLoaded) {
14510 if (currentMove == cmailOldMove &&
14511 commentList[cmailOldMove] != NULL &&
14512 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14513 "Black offers a draw" : "White offers a draw")) {
14515 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14516 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14518 DisplayError(_("There is no pending offer on this move"), 0);
14519 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14522 /* Not used for offers from chess program */
14529 /* Decline a pending offer of any kind from opponent */
14531 if (appData.icsActive) {
14532 SendToICS(ics_prefix);
14533 SendToICS("decline\n");
14534 } else if (cmailMsgLoaded) {
14535 if (currentMove == cmailOldMove &&
14536 commentList[cmailOldMove] != NULL &&
14537 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14538 "Black offers a draw" : "White offers a draw")) {
14540 AppendComment(cmailOldMove, "Draw declined", TRUE);
14541 DisplayComment(cmailOldMove - 1, "Draw declined");
14544 DisplayError(_("There is no pending offer on this move"), 0);
14547 /* Not used for offers from chess program */
14554 /* Issue ICS rematch command */
14555 if (appData.icsActive) {
14556 SendToICS(ics_prefix);
14557 SendToICS("rematch\n");
14564 /* Call your opponent's flag (claim a win on time) */
14565 if (appData.icsActive) {
14566 SendToICS(ics_prefix);
14567 SendToICS("flag\n");
14569 switch (gameMode) {
14572 case MachinePlaysWhite:
14575 GameEnds(GameIsDrawn, "Both players ran out of time",
14578 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14580 DisplayError(_("Your opponent is not out of time"), 0);
14583 case MachinePlaysBlack:
14586 GameEnds(GameIsDrawn, "Both players ran out of time",
14589 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14591 DisplayError(_("Your opponent is not out of time"), 0);
14599 ClockClick (int which)
14600 { // [HGM] code moved to back-end from winboard.c
14601 if(which) { // black clock
14602 if (gameMode == EditPosition || gameMode == IcsExamining) {
14603 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14604 SetBlackToPlayEvent();
14605 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14606 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14607 } else if (shiftKey) {
14608 AdjustClock(which, -1);
14609 } else if (gameMode == IcsPlayingWhite ||
14610 gameMode == MachinePlaysBlack) {
14613 } else { // white clock
14614 if (gameMode == EditPosition || gameMode == IcsExamining) {
14615 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14616 SetWhiteToPlayEvent();
14617 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14618 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14619 } else if (shiftKey) {
14620 AdjustClock(which, -1);
14621 } else if (gameMode == IcsPlayingBlack ||
14622 gameMode == MachinePlaysWhite) {
14631 /* Offer draw or accept pending draw offer from opponent */
14633 if (appData.icsActive) {
14634 /* Note: tournament rules require draw offers to be
14635 made after you make your move but before you punch
14636 your clock. Currently ICS doesn't let you do that;
14637 instead, you immediately punch your clock after making
14638 a move, but you can offer a draw at any time. */
14640 SendToICS(ics_prefix);
14641 SendToICS("draw\n");
14642 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14643 } else if (cmailMsgLoaded) {
14644 if (currentMove == cmailOldMove &&
14645 commentList[cmailOldMove] != NULL &&
14646 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14647 "Black offers a draw" : "White offers a draw")) {
14648 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14649 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14650 } else if (currentMove == cmailOldMove + 1) {
14651 char *offer = WhiteOnMove(cmailOldMove) ?
14652 "White offers a draw" : "Black offers a draw";
14653 AppendComment(currentMove, offer, TRUE);
14654 DisplayComment(currentMove - 1, offer);
14655 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14657 DisplayError(_("You must make your move before offering a draw"), 0);
14658 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14660 } else if (first.offeredDraw) {
14661 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14663 if (first.sendDrawOffers) {
14664 SendToProgram("draw\n", &first);
14665 userOfferedDraw = TRUE;
14673 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14675 if (appData.icsActive) {
14676 SendToICS(ics_prefix);
14677 SendToICS("adjourn\n");
14679 /* Currently GNU Chess doesn't offer or accept Adjourns */
14687 /* Offer Abort or accept pending Abort offer from opponent */
14689 if (appData.icsActive) {
14690 SendToICS(ics_prefix);
14691 SendToICS("abort\n");
14693 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14700 /* Resign. You can do this even if it's not your turn. */
14702 if (appData.icsActive) {
14703 SendToICS(ics_prefix);
14704 SendToICS("resign\n");
14706 switch (gameMode) {
14707 case MachinePlaysWhite:
14708 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14710 case MachinePlaysBlack:
14711 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14714 if (cmailMsgLoaded) {
14716 if (WhiteOnMove(cmailOldMove)) {
14717 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14719 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14721 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14732 StopObservingEvent ()
14734 /* Stop observing current games */
14735 SendToICS(ics_prefix);
14736 SendToICS("unobserve\n");
14740 StopExaminingEvent ()
14742 /* Stop observing current game */
14743 SendToICS(ics_prefix);
14744 SendToICS("unexamine\n");
14748 ForwardInner (int target)
14750 int limit; int oldSeekGraphUp = seekGraphUp;
14752 if (appData.debugMode)
14753 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14754 target, currentMove, forwardMostMove);
14756 if (gameMode == EditPosition)
14759 seekGraphUp = FALSE;
14760 MarkTargetSquares(1);
14762 if (gameMode == PlayFromGameFile && !pausing)
14765 if (gameMode == IcsExamining && pausing)
14766 limit = pauseExamForwardMostMove;
14768 limit = forwardMostMove;
14770 if (target > limit) target = limit;
14772 if (target > 0 && moveList[target - 1][0]) {
14773 int fromX, fromY, toX, toY;
14774 toX = moveList[target - 1][2] - AAA;
14775 toY = moveList[target - 1][3] - ONE;
14776 if (moveList[target - 1][1] == '@') {
14777 if (appData.highlightLastMove) {
14778 SetHighlights(-1, -1, toX, toY);
14781 fromX = moveList[target - 1][0] - AAA;
14782 fromY = moveList[target - 1][1] - ONE;
14783 if (target == currentMove + 1) {
14784 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14786 if (appData.highlightLastMove) {
14787 SetHighlights(fromX, fromY, toX, toY);
14791 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14792 gameMode == Training || gameMode == PlayFromGameFile ||
14793 gameMode == AnalyzeFile) {
14794 while (currentMove < target) {
14795 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14796 SendMoveToProgram(currentMove++, &first);
14799 currentMove = target;
14802 if (gameMode == EditGame || gameMode == EndOfGame) {
14803 whiteTimeRemaining = timeRemaining[0][currentMove];
14804 blackTimeRemaining = timeRemaining[1][currentMove];
14806 DisplayBothClocks();
14807 DisplayMove(currentMove - 1);
14808 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14809 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14810 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14811 DisplayComment(currentMove - 1, commentList[currentMove]);
14813 ClearMap(); // [HGM] exclude: invalidate map
14820 if (gameMode == IcsExamining && !pausing) {
14821 SendToICS(ics_prefix);
14822 SendToICS("forward\n");
14824 ForwardInner(currentMove + 1);
14831 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14832 /* to optimze, we temporarily turn off analysis mode while we feed
14833 * the remaining moves to the engine. Otherwise we get analysis output
14836 if (first.analysisSupport) {
14837 SendToProgram("exit\nforce\n", &first);
14838 first.analyzing = FALSE;
14842 if (gameMode == IcsExamining && !pausing) {
14843 SendToICS(ics_prefix);
14844 SendToICS("forward 999999\n");
14846 ForwardInner(forwardMostMove);
14849 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14850 /* we have fed all the moves, so reactivate analysis mode */
14851 SendToProgram("analyze\n", &first);
14852 first.analyzing = TRUE;
14853 /*first.maybeThinking = TRUE;*/
14854 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14859 BackwardInner (int target)
14861 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14863 if (appData.debugMode)
14864 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14865 target, currentMove, forwardMostMove);
14867 if (gameMode == EditPosition) return;
14868 seekGraphUp = FALSE;
14869 MarkTargetSquares(1);
14870 if (currentMove <= backwardMostMove) {
14872 DrawPosition(full_redraw, boards[currentMove]);
14875 if (gameMode == PlayFromGameFile && !pausing)
14878 if (moveList[target][0]) {
14879 int fromX, fromY, toX, toY;
14880 toX = moveList[target][2] - AAA;
14881 toY = moveList[target][3] - ONE;
14882 if (moveList[target][1] == '@') {
14883 if (appData.highlightLastMove) {
14884 SetHighlights(-1, -1, toX, toY);
14887 fromX = moveList[target][0] - AAA;
14888 fromY = moveList[target][1] - ONE;
14889 if (target == currentMove - 1) {
14890 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14892 if (appData.highlightLastMove) {
14893 SetHighlights(fromX, fromY, toX, toY);
14897 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14898 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14899 while (currentMove > target) {
14900 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14901 // null move cannot be undone. Reload program with move history before it.
14903 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14904 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14906 SendBoard(&first, i);
14907 if(second.analyzing) SendBoard(&second, i);
14908 for(currentMove=i; currentMove<target; currentMove++) {
14909 SendMoveToProgram(currentMove, &first);
14910 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14914 SendToBoth("undo\n");
14918 currentMove = target;
14921 if (gameMode == EditGame || gameMode == EndOfGame) {
14922 whiteTimeRemaining = timeRemaining[0][currentMove];
14923 blackTimeRemaining = timeRemaining[1][currentMove];
14925 DisplayBothClocks();
14926 DisplayMove(currentMove - 1);
14927 DrawPosition(full_redraw, boards[currentMove]);
14928 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14929 // [HGM] PV info: routine tests if comment empty
14930 DisplayComment(currentMove - 1, commentList[currentMove]);
14931 ClearMap(); // [HGM] exclude: invalidate map
14937 if (gameMode == IcsExamining && !pausing) {
14938 SendToICS(ics_prefix);
14939 SendToICS("backward\n");
14941 BackwardInner(currentMove - 1);
14948 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14949 /* to optimize, we temporarily turn off analysis mode while we undo
14950 * all the moves. Otherwise we get analysis output after each undo.
14952 if (first.analysisSupport) {
14953 SendToProgram("exit\nforce\n", &first);
14954 first.analyzing = FALSE;
14958 if (gameMode == IcsExamining && !pausing) {
14959 SendToICS(ics_prefix);
14960 SendToICS("backward 999999\n");
14962 BackwardInner(backwardMostMove);
14965 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14966 /* we have fed all the moves, so reactivate analysis mode */
14967 SendToProgram("analyze\n", &first);
14968 first.analyzing = TRUE;
14969 /*first.maybeThinking = TRUE;*/
14970 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14977 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14978 if (to >= forwardMostMove) to = forwardMostMove;
14979 if (to <= backwardMostMove) to = backwardMostMove;
14980 if (to < currentMove) {
14988 RevertEvent (Boolean annotate)
14990 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14993 if (gameMode != IcsExamining) {
14994 DisplayError(_("You are not examining a game"), 0);
14998 DisplayError(_("You can't revert while pausing"), 0);
15001 SendToICS(ics_prefix);
15002 SendToICS("revert\n");
15006 RetractMoveEvent ()
15008 switch (gameMode) {
15009 case MachinePlaysWhite:
15010 case MachinePlaysBlack:
15011 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15012 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15015 if (forwardMostMove < 2) return;
15016 currentMove = forwardMostMove = forwardMostMove - 2;
15017 whiteTimeRemaining = timeRemaining[0][currentMove];
15018 blackTimeRemaining = timeRemaining[1][currentMove];
15019 DisplayBothClocks();
15020 DisplayMove(currentMove - 1);
15021 ClearHighlights();/*!! could figure this out*/
15022 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15023 SendToProgram("remove\n", &first);
15024 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15027 case BeginningOfGame:
15031 case IcsPlayingWhite:
15032 case IcsPlayingBlack:
15033 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15034 SendToICS(ics_prefix);
15035 SendToICS("takeback 2\n");
15037 SendToICS(ics_prefix);
15038 SendToICS("takeback 1\n");
15047 ChessProgramState *cps;
15049 switch (gameMode) {
15050 case MachinePlaysWhite:
15051 if (!WhiteOnMove(forwardMostMove)) {
15052 DisplayError(_("It is your turn"), 0);
15057 case MachinePlaysBlack:
15058 if (WhiteOnMove(forwardMostMove)) {
15059 DisplayError(_("It is your turn"), 0);
15064 case TwoMachinesPlay:
15065 if (WhiteOnMove(forwardMostMove) ==
15066 (first.twoMachinesColor[0] == 'w')) {
15072 case BeginningOfGame:
15076 SendToProgram("?\n", cps);
15080 TruncateGameEvent ()
15083 if (gameMode != EditGame) return;
15090 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15091 if (forwardMostMove > currentMove) {
15092 if (gameInfo.resultDetails != NULL) {
15093 free(gameInfo.resultDetails);
15094 gameInfo.resultDetails = NULL;
15095 gameInfo.result = GameUnfinished;
15097 forwardMostMove = currentMove;
15098 HistorySet(parseList, backwardMostMove, forwardMostMove,
15106 if (appData.noChessProgram) return;
15107 switch (gameMode) {
15108 case MachinePlaysWhite:
15109 if (WhiteOnMove(forwardMostMove)) {
15110 DisplayError(_("Wait until your turn"), 0);
15114 case BeginningOfGame:
15115 case MachinePlaysBlack:
15116 if (!WhiteOnMove(forwardMostMove)) {
15117 DisplayError(_("Wait until your turn"), 0);
15122 DisplayError(_("No hint available"), 0);
15125 SendToProgram("hint\n", &first);
15126 hintRequested = TRUE;
15132 ListGame * lg = (ListGame *) gameList.head;
15135 static int secondTime = FALSE;
15137 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15138 DisplayError(_("Game list not loaded or empty"), 0);
15142 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15145 DisplayNote(_("Book file exists! Try again for overwrite."));
15149 creatingBook = TRUE;
15150 secondTime = FALSE;
15152 /* Get list size */
15153 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15154 LoadGame(f, nItem, "", TRUE);
15155 AddGameToBook(TRUE);
15156 lg = (ListGame *) lg->node.succ;
15159 creatingBook = FALSE;
15166 if (appData.noChessProgram) return;
15167 switch (gameMode) {
15168 case MachinePlaysWhite:
15169 if (WhiteOnMove(forwardMostMove)) {
15170 DisplayError(_("Wait until your turn"), 0);
15174 case BeginningOfGame:
15175 case MachinePlaysBlack:
15176 if (!WhiteOnMove(forwardMostMove)) {
15177 DisplayError(_("Wait until your turn"), 0);
15182 EditPositionDone(TRUE);
15184 case TwoMachinesPlay:
15189 SendToProgram("bk\n", &first);
15190 bookOutput[0] = NULLCHAR;
15191 bookRequested = TRUE;
15197 char *tags = PGNTags(&gameInfo);
15198 TagsPopUp(tags, CmailMsg());
15202 /* end button procedures */
15205 PrintPosition (FILE *fp, int move)
15209 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15210 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15211 char c = PieceToChar(boards[move][i][j]);
15212 fputc(c == 'x' ? '.' : c, fp);
15213 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15216 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15217 fprintf(fp, "white to play\n");
15219 fprintf(fp, "black to play\n");
15223 PrintOpponents (FILE *fp)
15225 if (gameInfo.white != NULL) {
15226 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15232 /* Find last component of program's own name, using some heuristics */
15234 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15237 int local = (strcmp(host, "localhost") == 0);
15238 while (!local && (p = strchr(prog, ';')) != NULL) {
15240 while (*p == ' ') p++;
15243 if (*prog == '"' || *prog == '\'') {
15244 q = strchr(prog + 1, *prog);
15246 q = strchr(prog, ' ');
15248 if (q == NULL) q = prog + strlen(prog);
15250 while (p >= prog && *p != '/' && *p != '\\') p--;
15252 if(p == prog && *p == '"') p++;
15254 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15255 memcpy(buf, p, q - p);
15256 buf[q - p] = NULLCHAR;
15264 TimeControlTagValue ()
15267 if (!appData.clockMode) {
15268 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15269 } else if (movesPerSession > 0) {
15270 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15271 } else if (timeIncrement == 0) {
15272 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15274 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15276 return StrSave(buf);
15282 /* This routine is used only for certain modes */
15283 VariantClass v = gameInfo.variant;
15284 ChessMove r = GameUnfinished;
15287 if(keepInfo) return;
15289 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15290 r = gameInfo.result;
15291 p = gameInfo.resultDetails;
15292 gameInfo.resultDetails = NULL;
15294 ClearGameInfo(&gameInfo);
15295 gameInfo.variant = v;
15297 switch (gameMode) {
15298 case MachinePlaysWhite:
15299 gameInfo.event = StrSave( appData.pgnEventHeader );
15300 gameInfo.site = StrSave(HostName());
15301 gameInfo.date = PGNDate();
15302 gameInfo.round = StrSave("-");
15303 gameInfo.white = StrSave(first.tidy);
15304 gameInfo.black = StrSave(UserName());
15305 gameInfo.timeControl = TimeControlTagValue();
15308 case MachinePlaysBlack:
15309 gameInfo.event = StrSave( appData.pgnEventHeader );
15310 gameInfo.site = StrSave(HostName());
15311 gameInfo.date = PGNDate();
15312 gameInfo.round = StrSave("-");
15313 gameInfo.white = StrSave(UserName());
15314 gameInfo.black = StrSave(first.tidy);
15315 gameInfo.timeControl = TimeControlTagValue();
15318 case TwoMachinesPlay:
15319 gameInfo.event = StrSave( appData.pgnEventHeader );
15320 gameInfo.site = StrSave(HostName());
15321 gameInfo.date = PGNDate();
15324 snprintf(buf, MSG_SIZ, "%d", roundNr);
15325 gameInfo.round = StrSave(buf);
15327 gameInfo.round = StrSave("-");
15329 if (first.twoMachinesColor[0] == 'w') {
15330 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15331 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15333 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15334 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15336 gameInfo.timeControl = TimeControlTagValue();
15340 gameInfo.event = StrSave("Edited game");
15341 gameInfo.site = StrSave(HostName());
15342 gameInfo.date = PGNDate();
15343 gameInfo.round = StrSave("-");
15344 gameInfo.white = StrSave("-");
15345 gameInfo.black = StrSave("-");
15346 gameInfo.result = r;
15347 gameInfo.resultDetails = p;
15351 gameInfo.event = StrSave("Edited position");
15352 gameInfo.site = StrSave(HostName());
15353 gameInfo.date = PGNDate();
15354 gameInfo.round = StrSave("-");
15355 gameInfo.white = StrSave("-");
15356 gameInfo.black = StrSave("-");
15359 case IcsPlayingWhite:
15360 case IcsPlayingBlack:
15365 case PlayFromGameFile:
15366 gameInfo.event = StrSave("Game from non-PGN file");
15367 gameInfo.site = StrSave(HostName());
15368 gameInfo.date = PGNDate();
15369 gameInfo.round = StrSave("-");
15370 gameInfo.white = StrSave("?");
15371 gameInfo.black = StrSave("?");
15380 ReplaceComment (int index, char *text)
15386 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15387 pvInfoList[index-1].depth == len &&
15388 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15389 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15390 while (*text == '\n') text++;
15391 len = strlen(text);
15392 while (len > 0 && text[len - 1] == '\n') len--;
15394 if (commentList[index] != NULL)
15395 free(commentList[index]);
15398 commentList[index] = NULL;
15401 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15402 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15403 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15404 commentList[index] = (char *) malloc(len + 2);
15405 strncpy(commentList[index], text, len);
15406 commentList[index][len] = '\n';
15407 commentList[index][len + 1] = NULLCHAR;
15409 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15411 commentList[index] = (char *) malloc(len + 7);
15412 safeStrCpy(commentList[index], "{\n", 3);
15413 safeStrCpy(commentList[index]+2, text, len+1);
15414 commentList[index][len+2] = NULLCHAR;
15415 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15416 strcat(commentList[index], "\n}\n");
15421 CrushCRs (char *text)
15429 if (ch == '\r') continue;
15431 } while (ch != '\0');
15435 AppendComment (int index, char *text, Boolean addBraces)
15436 /* addBraces tells if we should add {} */
15441 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15442 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15445 while (*text == '\n') text++;
15446 len = strlen(text);
15447 while (len > 0 && text[len - 1] == '\n') len--;
15448 text[len] = NULLCHAR;
15450 if (len == 0) return;
15452 if (commentList[index] != NULL) {
15453 Boolean addClosingBrace = addBraces;
15454 old = commentList[index];
15455 oldlen = strlen(old);
15456 while(commentList[index][oldlen-1] == '\n')
15457 commentList[index][--oldlen] = NULLCHAR;
15458 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15459 safeStrCpy(commentList[index], old, oldlen + len + 6);
15461 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15462 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15463 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15464 while (*text == '\n') { text++; len--; }
15465 commentList[index][--oldlen] = NULLCHAR;
15467 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15468 else strcat(commentList[index], "\n");
15469 strcat(commentList[index], text);
15470 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15471 else strcat(commentList[index], "\n");
15473 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15475 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15476 else commentList[index][0] = NULLCHAR;
15477 strcat(commentList[index], text);
15478 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15479 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15484 FindStr (char * text, char * sub_text)
15486 char * result = strstr( text, sub_text );
15488 if( result != NULL ) {
15489 result += strlen( sub_text );
15495 /* [AS] Try to extract PV info from PGN comment */
15496 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15498 GetInfoFromComment (int index, char * text)
15500 char * sep = text, *p;
15502 if( text != NULL && index > 0 ) {
15505 int time = -1, sec = 0, deci;
15506 char * s_eval = FindStr( text, "[%eval " );
15507 char * s_emt = FindStr( text, "[%emt " );
15509 if( s_eval != NULL || s_emt != NULL ) {
15513 if( s_eval != NULL ) {
15514 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15518 if( delim != ']' ) {
15523 if( s_emt != NULL ) {
15528 /* We expect something like: [+|-]nnn.nn/dd */
15531 if(*text != '{') return text; // [HGM] braces: must be normal comment
15533 sep = strchr( text, '/' );
15534 if( sep == NULL || sep < (text+4) ) {
15539 if(p[1] == '(') { // comment starts with PV
15540 p = strchr(p, ')'); // locate end of PV
15541 if(p == NULL || sep < p+5) return text;
15542 // at this point we have something like "{(.*) +0.23/6 ..."
15543 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15544 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15545 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15547 time = -1; sec = -1; deci = -1;
15548 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15549 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15550 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15551 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15555 if( score_lo < 0 || score_lo >= 100 ) {
15559 if(sec >= 0) time = 600*time + 10*sec; else
15560 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15562 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15564 /* [HGM] PV time: now locate end of PV info */
15565 while( *++sep >= '0' && *sep <= '9'); // strip depth
15567 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15569 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15571 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15572 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15583 pvInfoList[index-1].depth = depth;
15584 pvInfoList[index-1].score = score;
15585 pvInfoList[index-1].time = 10*time; // centi-sec
15586 if(*sep == '}') *sep = 0; else *--sep = '{';
15587 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15593 SendToProgram (char *message, ChessProgramState *cps)
15595 int count, outCount, error;
15598 if (cps->pr == NoProc) return;
15601 if (appData.debugMode) {
15604 fprintf(debugFP, "%ld >%-6s: %s",
15605 SubtractTimeMarks(&now, &programStartTime),
15606 cps->which, message);
15608 fprintf(serverFP, "%ld >%-6s: %s",
15609 SubtractTimeMarks(&now, &programStartTime),
15610 cps->which, message), fflush(serverFP);
15613 count = strlen(message);
15614 outCount = OutputToProcess(cps->pr, message, count, &error);
15615 if (outCount < count && !exiting
15616 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15617 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15618 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15619 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15620 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15621 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15622 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15623 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15625 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15626 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15627 gameInfo.result = res;
15629 gameInfo.resultDetails = StrSave(buf);
15631 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15632 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15637 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15641 ChessProgramState *cps = (ChessProgramState *)closure;
15643 if (isr != cps->isr) return; /* Killed intentionally */
15646 RemoveInputSource(cps->isr);
15647 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15648 _(cps->which), cps->program);
15649 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15650 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15651 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15652 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15653 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15654 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15656 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15657 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15658 gameInfo.result = res;
15660 gameInfo.resultDetails = StrSave(buf);
15662 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15663 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15665 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15666 _(cps->which), cps->program);
15667 RemoveInputSource(cps->isr);
15669 /* [AS] Program is misbehaving badly... kill it */
15670 if( count == -2 ) {
15671 DestroyChildProcess( cps->pr, 9 );
15675 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15680 if ((end_str = strchr(message, '\r')) != NULL)
15681 *end_str = NULLCHAR;
15682 if ((end_str = strchr(message, '\n')) != NULL)
15683 *end_str = NULLCHAR;
15685 if (appData.debugMode) {
15686 TimeMark now; int print = 1;
15687 char *quote = ""; char c; int i;
15689 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15690 char start = message[0];
15691 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15692 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15693 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15694 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15695 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15696 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15697 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15698 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15699 sscanf(message, "hint: %c", &c)!=1 &&
15700 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15701 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15702 print = (appData.engineComments >= 2);
15704 message[0] = start; // restore original message
15708 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15709 SubtractTimeMarks(&now, &programStartTime), cps->which,
15713 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15714 SubtractTimeMarks(&now, &programStartTime), cps->which,
15716 message), fflush(serverFP);
15720 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15721 if (appData.icsEngineAnalyze) {
15722 if (strstr(message, "whisper") != NULL ||
15723 strstr(message, "kibitz") != NULL ||
15724 strstr(message, "tellics") != NULL) return;
15727 HandleMachineMove(message, cps);
15732 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15737 if( timeControl_2 > 0 ) {
15738 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15739 tc = timeControl_2;
15742 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15743 inc /= cps->timeOdds;
15744 st /= cps->timeOdds;
15746 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15749 /* Set exact time per move, normally using st command */
15750 if (cps->stKludge) {
15751 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15753 if (seconds == 0) {
15754 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15756 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15759 snprintf(buf, MSG_SIZ, "st %d\n", st);
15762 /* Set conventional or incremental time control, using level command */
15763 if (seconds == 0) {
15764 /* Note old gnuchess bug -- minutes:seconds used to not work.
15765 Fixed in later versions, but still avoid :seconds
15766 when seconds is 0. */
15767 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15769 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15770 seconds, inc/1000.);
15773 SendToProgram(buf, cps);
15775 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15776 /* Orthogonally, limit search to given depth */
15778 if (cps->sdKludge) {
15779 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15781 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15783 SendToProgram(buf, cps);
15786 if(cps->nps >= 0) { /* [HGM] nps */
15787 if(cps->supportsNPS == FALSE)
15788 cps->nps = -1; // don't use if engine explicitly says not supported!
15790 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15791 SendToProgram(buf, cps);
15796 ChessProgramState *
15798 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15800 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15801 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15807 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15809 char message[MSG_SIZ];
15812 /* Note: this routine must be called when the clocks are stopped
15813 or when they have *just* been set or switched; otherwise
15814 it will be off by the time since the current tick started.
15816 if (machineWhite) {
15817 time = whiteTimeRemaining / 10;
15818 otime = blackTimeRemaining / 10;
15820 time = blackTimeRemaining / 10;
15821 otime = whiteTimeRemaining / 10;
15823 /* [HGM] translate opponent's time by time-odds factor */
15824 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15826 if (time <= 0) time = 1;
15827 if (otime <= 0) otime = 1;
15829 snprintf(message, MSG_SIZ, "time %ld\n", time);
15830 SendToProgram(message, cps);
15832 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15833 SendToProgram(message, cps);
15837 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15840 int len = strlen(name);
15843 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15845 sscanf(*p, "%d", &val);
15847 while (**p && **p != ' ')
15849 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15850 SendToProgram(buf, cps);
15857 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15860 int len = strlen(name);
15861 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15863 sscanf(*p, "%d", loc);
15864 while (**p && **p != ' ') (*p)++;
15865 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15866 SendToProgram(buf, cps);
15873 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15876 int len = strlen(name);
15877 if (strncmp((*p), name, len) == 0
15878 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15880 sscanf(*p, "%[^\"]", loc);
15881 while (**p && **p != '\"') (*p)++;
15882 if (**p == '\"') (*p)++;
15883 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15884 SendToProgram(buf, cps);
15891 ParseOption (Option *opt, ChessProgramState *cps)
15892 // [HGM] options: process the string that defines an engine option, and determine
15893 // name, type, default value, and allowed value range
15895 char *p, *q, buf[MSG_SIZ];
15896 int n, min = (-1)<<31, max = 1<<31, def;
15898 if(p = strstr(opt->name, " -spin ")) {
15899 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15900 if(max < min) max = min; // enforce consistency
15901 if(def < min) def = min;
15902 if(def > max) def = max;
15907 } else if((p = strstr(opt->name, " -slider "))) {
15908 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15909 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15910 if(max < min) max = min; // enforce consistency
15911 if(def < min) def = min;
15912 if(def > max) def = max;
15916 opt->type = Spin; // Slider;
15917 } else if((p = strstr(opt->name, " -string "))) {
15918 opt->textValue = p+9;
15919 opt->type = TextBox;
15920 } else if((p = strstr(opt->name, " -file "))) {
15921 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15922 opt->textValue = p+7;
15923 opt->type = FileName; // FileName;
15924 } else if((p = strstr(opt->name, " -path "))) {
15925 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15926 opt->textValue = p+7;
15927 opt->type = PathName; // PathName;
15928 } else if(p = strstr(opt->name, " -check ")) {
15929 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15930 opt->value = (def != 0);
15931 opt->type = CheckBox;
15932 } else if(p = strstr(opt->name, " -combo ")) {
15933 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15934 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15935 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15936 opt->value = n = 0;
15937 while(q = StrStr(q, " /// ")) {
15938 n++; *q = 0; // count choices, and null-terminate each of them
15940 if(*q == '*') { // remember default, which is marked with * prefix
15944 cps->comboList[cps->comboCnt++] = q;
15946 cps->comboList[cps->comboCnt++] = NULL;
15948 opt->type = ComboBox;
15949 } else if(p = strstr(opt->name, " -button")) {
15950 opt->type = Button;
15951 } else if(p = strstr(opt->name, " -save")) {
15952 opt->type = SaveButton;
15953 } else return FALSE;
15954 *p = 0; // terminate option name
15955 // now look if the command-line options define a setting for this engine option.
15956 if(cps->optionSettings && cps->optionSettings[0])
15957 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15958 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15959 snprintf(buf, MSG_SIZ, "option %s", p);
15960 if(p = strstr(buf, ",")) *p = 0;
15961 if(q = strchr(buf, '=')) switch(opt->type) {
15963 for(n=0; n<opt->max; n++)
15964 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15967 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15971 opt->value = atoi(q+1);
15976 SendToProgram(buf, cps);
15982 FeatureDone (ChessProgramState *cps, int val)
15984 DelayedEventCallback cb = GetDelayedEvent();
15985 if ((cb == InitBackEnd3 && cps == &first) ||
15986 (cb == SettingsMenuIfReady && cps == &second) ||
15987 (cb == LoadEngine) ||
15988 (cb == TwoMachinesEventIfReady)) {
15989 CancelDelayedEvent();
15990 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15992 cps->initDone = val;
15995 /* Parse feature command from engine */
15997 ParseFeatures (char *args, ChessProgramState *cps)
16005 while (*p == ' ') p++;
16006 if (*p == NULLCHAR) return;
16008 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16009 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16010 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16011 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16012 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16013 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16014 if (BoolFeature(&p, "reuse", &val, cps)) {
16015 /* Engine can disable reuse, but can't enable it if user said no */
16016 if (!val) cps->reuse = FALSE;
16019 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16020 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16021 if (gameMode == TwoMachinesPlay) {
16022 DisplayTwoMachinesTitle();
16028 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16029 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16030 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16031 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16032 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16033 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16034 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16035 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16036 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16037 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16038 if (IntFeature(&p, "done", &val, cps)) {
16039 FeatureDone(cps, val);
16042 /* Added by Tord: */
16043 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16044 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16045 /* End of additions by Tord */
16047 /* [HGM] added features: */
16048 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16049 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16050 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16051 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16052 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16053 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16054 if (StringFeature(&p, "option", buf, cps)) {
16055 FREE(cps->option[cps->nrOptions].name);
16056 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16057 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16058 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16059 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16060 SendToProgram(buf, cps);
16063 if(cps->nrOptions >= MAX_OPTIONS) {
16065 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16066 DisplayError(buf, 0);
16070 /* End of additions by HGM */
16072 /* unknown feature: complain and skip */
16074 while (*q && *q != '=') q++;
16075 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16076 SendToProgram(buf, cps);
16082 while (*p && *p != '\"') p++;
16083 if (*p == '\"') p++;
16085 while (*p && *p != ' ') p++;
16093 PeriodicUpdatesEvent (int newState)
16095 if (newState == appData.periodicUpdates)
16098 appData.periodicUpdates=newState;
16100 /* Display type changes, so update it now */
16101 // DisplayAnalysis();
16103 /* Get the ball rolling again... */
16105 AnalysisPeriodicEvent(1);
16106 StartAnalysisClock();
16111 PonderNextMoveEvent (int newState)
16113 if (newState == appData.ponderNextMove) return;
16114 if (gameMode == EditPosition) EditPositionDone(TRUE);
16116 SendToProgram("hard\n", &first);
16117 if (gameMode == TwoMachinesPlay) {
16118 SendToProgram("hard\n", &second);
16121 SendToProgram("easy\n", &first);
16122 thinkOutput[0] = NULLCHAR;
16123 if (gameMode == TwoMachinesPlay) {
16124 SendToProgram("easy\n", &second);
16127 appData.ponderNextMove = newState;
16131 NewSettingEvent (int option, int *feature, char *command, int value)
16135 if (gameMode == EditPosition) EditPositionDone(TRUE);
16136 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16137 if(feature == NULL || *feature) SendToProgram(buf, &first);
16138 if (gameMode == TwoMachinesPlay) {
16139 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16144 ShowThinkingEvent ()
16145 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16147 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16148 int newState = appData.showThinking
16149 // [HGM] thinking: other features now need thinking output as well
16150 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16152 if (oldState == newState) return;
16153 oldState = newState;
16154 if (gameMode == EditPosition) EditPositionDone(TRUE);
16156 SendToProgram("post\n", &first);
16157 if (gameMode == TwoMachinesPlay) {
16158 SendToProgram("post\n", &second);
16161 SendToProgram("nopost\n", &first);
16162 thinkOutput[0] = NULLCHAR;
16163 if (gameMode == TwoMachinesPlay) {
16164 SendToProgram("nopost\n", &second);
16167 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16171 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16173 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16174 if (pr == NoProc) return;
16175 AskQuestion(title, question, replyPrefix, pr);
16179 TypeInEvent (char firstChar)
16181 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16182 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16183 gameMode == AnalyzeMode || gameMode == EditGame ||
16184 gameMode == EditPosition || gameMode == IcsExamining ||
16185 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16186 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16187 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16188 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16189 gameMode == Training) PopUpMoveDialog(firstChar);
16193 TypeInDoneEvent (char *move)
16196 int n, fromX, fromY, toX, toY;
16198 ChessMove moveType;
16201 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16202 EditPositionPasteFEN(move);
16205 // [HGM] movenum: allow move number to be typed in any mode
16206 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16210 // undocumented kludge: allow command-line option to be typed in!
16211 // (potentially fatal, and does not implement the effect of the option.)
16212 // should only be used for options that are values on which future decisions will be made,
16213 // and definitely not on options that would be used during initialization.
16214 if(strstr(move, "!!! -") == move) {
16215 ParseArgsFromString(move+4);
16219 if (gameMode != EditGame && currentMove != forwardMostMove &&
16220 gameMode != Training) {
16221 DisplayMoveError(_("Displayed move is not current"));
16223 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16224 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16225 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16226 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16227 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16228 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16230 DisplayMoveError(_("Could not parse move"));
16236 DisplayMove (int moveNumber)
16238 char message[MSG_SIZ];
16240 char cpThinkOutput[MSG_SIZ];
16242 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16244 if (moveNumber == forwardMostMove - 1 ||
16245 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16247 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16249 if (strchr(cpThinkOutput, '\n')) {
16250 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16253 *cpThinkOutput = NULLCHAR;
16256 /* [AS] Hide thinking from human user */
16257 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16258 *cpThinkOutput = NULLCHAR;
16259 if( thinkOutput[0] != NULLCHAR ) {
16262 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16263 cpThinkOutput[i] = '.';
16265 cpThinkOutput[i] = NULLCHAR;
16266 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16270 if (moveNumber == forwardMostMove - 1 &&
16271 gameInfo.resultDetails != NULL) {
16272 if (gameInfo.resultDetails[0] == NULLCHAR) {
16273 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16275 snprintf(res, MSG_SIZ, " {%s} %s",
16276 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16282 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16283 DisplayMessage(res, cpThinkOutput);
16285 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16286 WhiteOnMove(moveNumber) ? " " : ".. ",
16287 parseList[moveNumber], res);
16288 DisplayMessage(message, cpThinkOutput);
16293 DisplayComment (int moveNumber, char *text)
16295 char title[MSG_SIZ];
16297 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16298 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16300 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16301 WhiteOnMove(moveNumber) ? " " : ".. ",
16302 parseList[moveNumber]);
16304 if (text != NULL && (appData.autoDisplayComment || commentUp))
16305 CommentPopUp(title, text);
16308 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16309 * might be busy thinking or pondering. It can be omitted if your
16310 * gnuchess is configured to stop thinking immediately on any user
16311 * input. However, that gnuchess feature depends on the FIONREAD
16312 * ioctl, which does not work properly on some flavors of Unix.
16315 Attention (ChessProgramState *cps)
16318 if (!cps->useSigint) return;
16319 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16320 switch (gameMode) {
16321 case MachinePlaysWhite:
16322 case MachinePlaysBlack:
16323 case TwoMachinesPlay:
16324 case IcsPlayingWhite:
16325 case IcsPlayingBlack:
16328 /* Skip if we know it isn't thinking */
16329 if (!cps->maybeThinking) return;
16330 if (appData.debugMode)
16331 fprintf(debugFP, "Interrupting %s\n", cps->which);
16332 InterruptChildProcess(cps->pr);
16333 cps->maybeThinking = FALSE;
16338 #endif /*ATTENTION*/
16344 if (whiteTimeRemaining <= 0) {
16347 if (appData.icsActive) {
16348 if (appData.autoCallFlag &&
16349 gameMode == IcsPlayingBlack && !blackFlag) {
16350 SendToICS(ics_prefix);
16351 SendToICS("flag\n");
16355 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16357 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16358 if (appData.autoCallFlag) {
16359 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16366 if (blackTimeRemaining <= 0) {
16369 if (appData.icsActive) {
16370 if (appData.autoCallFlag &&
16371 gameMode == IcsPlayingWhite && !whiteFlag) {
16372 SendToICS(ics_prefix);
16373 SendToICS("flag\n");
16377 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16379 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16380 if (appData.autoCallFlag) {
16381 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16392 CheckTimeControl ()
16394 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16395 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16398 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16400 if ( !WhiteOnMove(forwardMostMove) ) {
16401 /* White made time control */
16402 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16403 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16404 /* [HGM] time odds: correct new time quota for time odds! */
16405 / WhitePlayer()->timeOdds;
16406 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16408 lastBlack -= blackTimeRemaining;
16409 /* Black made time control */
16410 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16411 / WhitePlayer()->other->timeOdds;
16412 lastWhite = whiteTimeRemaining;
16417 DisplayBothClocks ()
16419 int wom = gameMode == EditPosition ?
16420 !blackPlaysFirst : WhiteOnMove(currentMove);
16421 DisplayWhiteClock(whiteTimeRemaining, wom);
16422 DisplayBlackClock(blackTimeRemaining, !wom);
16426 /* Timekeeping seems to be a portability nightmare. I think everyone
16427 has ftime(), but I'm really not sure, so I'm including some ifdefs
16428 to use other calls if you don't. Clocks will be less accurate if
16429 you have neither ftime nor gettimeofday.
16432 /* VS 2008 requires the #include outside of the function */
16433 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16434 #include <sys/timeb.h>
16437 /* Get the current time as a TimeMark */
16439 GetTimeMark (TimeMark *tm)
16441 #if HAVE_GETTIMEOFDAY
16443 struct timeval timeVal;
16444 struct timezone timeZone;
16446 gettimeofday(&timeVal, &timeZone);
16447 tm->sec = (long) timeVal.tv_sec;
16448 tm->ms = (int) (timeVal.tv_usec / 1000L);
16450 #else /*!HAVE_GETTIMEOFDAY*/
16453 // include <sys/timeb.h> / moved to just above start of function
16454 struct timeb timeB;
16457 tm->sec = (long) timeB.time;
16458 tm->ms = (int) timeB.millitm;
16460 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16461 tm->sec = (long) time(NULL);
16467 /* Return the difference in milliseconds between two
16468 time marks. We assume the difference will fit in a long!
16471 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16473 return 1000L*(tm2->sec - tm1->sec) +
16474 (long) (tm2->ms - tm1->ms);
16479 * Code to manage the game clocks.
16481 * In tournament play, black starts the clock and then white makes a move.
16482 * We give the human user a slight advantage if he is playing white---the
16483 * clocks don't run until he makes his first move, so it takes zero time.
16484 * Also, we don't account for network lag, so we could get out of sync
16485 * with GNU Chess's clock -- but then, referees are always right.
16488 static TimeMark tickStartTM;
16489 static long intendedTickLength;
16492 NextTickLength (long timeRemaining)
16494 long nominalTickLength, nextTickLength;
16496 if (timeRemaining > 0L && timeRemaining <= 10000L)
16497 nominalTickLength = 100L;
16499 nominalTickLength = 1000L;
16500 nextTickLength = timeRemaining % nominalTickLength;
16501 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16503 return nextTickLength;
16506 /* Adjust clock one minute up or down */
16508 AdjustClock (Boolean which, int dir)
16510 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16511 if(which) blackTimeRemaining += 60000*dir;
16512 else whiteTimeRemaining += 60000*dir;
16513 DisplayBothClocks();
16514 adjustedClock = TRUE;
16517 /* Stop clocks and reset to a fresh time control */
16521 (void) StopClockTimer();
16522 if (appData.icsActive) {
16523 whiteTimeRemaining = blackTimeRemaining = 0;
16524 } else if (searchTime) {
16525 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16526 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16527 } else { /* [HGM] correct new time quote for time odds */
16528 whiteTC = blackTC = fullTimeControlString;
16529 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16530 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16532 if (whiteFlag || blackFlag) {
16534 whiteFlag = blackFlag = FALSE;
16536 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16537 DisplayBothClocks();
16538 adjustedClock = FALSE;
16541 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16543 /* Decrement running clock by amount of time that has passed */
16547 long timeRemaining;
16548 long lastTickLength, fudge;
16551 if (!appData.clockMode) return;
16552 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16556 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16558 /* Fudge if we woke up a little too soon */
16559 fudge = intendedTickLength - lastTickLength;
16560 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16562 if (WhiteOnMove(forwardMostMove)) {
16563 if(whiteNPS >= 0) lastTickLength = 0;
16564 timeRemaining = whiteTimeRemaining -= lastTickLength;
16565 if(timeRemaining < 0 && !appData.icsActive) {
16566 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16567 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16568 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16569 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16572 DisplayWhiteClock(whiteTimeRemaining - fudge,
16573 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16575 if(blackNPS >= 0) lastTickLength = 0;
16576 timeRemaining = blackTimeRemaining -= lastTickLength;
16577 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16578 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16580 blackStartMove = forwardMostMove;
16581 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16584 DisplayBlackClock(blackTimeRemaining - fudge,
16585 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16587 if (CheckFlags()) return;
16589 if(twoBoards) { // count down secondary board's clocks as well
16590 activePartnerTime -= lastTickLength;
16592 if(activePartner == 'W')
16593 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16595 DisplayBlackClock(activePartnerTime, TRUE);
16600 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16601 StartClockTimer(intendedTickLength);
16603 /* if the time remaining has fallen below the alarm threshold, sound the
16604 * alarm. if the alarm has sounded and (due to a takeback or time control
16605 * with increment) the time remaining has increased to a level above the
16606 * threshold, reset the alarm so it can sound again.
16609 if (appData.icsActive && appData.icsAlarm) {
16611 /* make sure we are dealing with the user's clock */
16612 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16613 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16616 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16617 alarmSounded = FALSE;
16618 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16620 alarmSounded = TRUE;
16626 /* A player has just moved, so stop the previously running
16627 clock and (if in clock mode) start the other one.
16628 We redisplay both clocks in case we're in ICS mode, because
16629 ICS gives us an update to both clocks after every move.
16630 Note that this routine is called *after* forwardMostMove
16631 is updated, so the last fractional tick must be subtracted
16632 from the color that is *not* on move now.
16635 SwitchClocks (int newMoveNr)
16637 long lastTickLength;
16639 int flagged = FALSE;
16643 if (StopClockTimer() && appData.clockMode) {
16644 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16645 if (!WhiteOnMove(forwardMostMove)) {
16646 if(blackNPS >= 0) lastTickLength = 0;
16647 blackTimeRemaining -= lastTickLength;
16648 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16649 // if(pvInfoList[forwardMostMove].time == -1)
16650 pvInfoList[forwardMostMove].time = // use GUI time
16651 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16653 if(whiteNPS >= 0) lastTickLength = 0;
16654 whiteTimeRemaining -= lastTickLength;
16655 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16656 // if(pvInfoList[forwardMostMove].time == -1)
16657 pvInfoList[forwardMostMove].time =
16658 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16660 flagged = CheckFlags();
16662 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16663 CheckTimeControl();
16665 if (flagged || !appData.clockMode) return;
16667 switch (gameMode) {
16668 case MachinePlaysBlack:
16669 case MachinePlaysWhite:
16670 case BeginningOfGame:
16671 if (pausing) return;
16675 case PlayFromGameFile:
16683 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16684 if(WhiteOnMove(forwardMostMove))
16685 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16686 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16690 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16691 whiteTimeRemaining : blackTimeRemaining);
16692 StartClockTimer(intendedTickLength);
16696 /* Stop both clocks */
16700 long lastTickLength;
16703 if (!StopClockTimer()) return;
16704 if (!appData.clockMode) return;
16708 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16709 if (WhiteOnMove(forwardMostMove)) {
16710 if(whiteNPS >= 0) lastTickLength = 0;
16711 whiteTimeRemaining -= lastTickLength;
16712 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16714 if(blackNPS >= 0) lastTickLength = 0;
16715 blackTimeRemaining -= lastTickLength;
16716 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16721 /* Start clock of player on move. Time may have been reset, so
16722 if clock is already running, stop and restart it. */
16726 (void) StopClockTimer(); /* in case it was running already */
16727 DisplayBothClocks();
16728 if (CheckFlags()) return;
16730 if (!appData.clockMode) return;
16731 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16733 GetTimeMark(&tickStartTM);
16734 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16735 whiteTimeRemaining : blackTimeRemaining);
16737 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16738 whiteNPS = blackNPS = -1;
16739 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16740 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16741 whiteNPS = first.nps;
16742 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16743 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16744 blackNPS = first.nps;
16745 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16746 whiteNPS = second.nps;
16747 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16748 blackNPS = second.nps;
16749 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16751 StartClockTimer(intendedTickLength);
16755 TimeString (long ms)
16757 long second, minute, hour, day;
16759 static char buf[32];
16761 if (ms > 0 && ms <= 9900) {
16762 /* convert milliseconds to tenths, rounding up */
16763 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16765 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16769 /* convert milliseconds to seconds, rounding up */
16770 /* use floating point to avoid strangeness of integer division
16771 with negative dividends on many machines */
16772 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16779 day = second / (60 * 60 * 24);
16780 second = second % (60 * 60 * 24);
16781 hour = second / (60 * 60);
16782 second = second % (60 * 60);
16783 minute = second / 60;
16784 second = second % 60;
16787 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16788 sign, day, hour, minute, second);
16790 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16792 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16799 * This is necessary because some C libraries aren't ANSI C compliant yet.
16802 StrStr (char *string, char *match)
16806 length = strlen(match);
16808 for (i = strlen(string) - length; i >= 0; i--, string++)
16809 if (!strncmp(match, string, length))
16816 StrCaseStr (char *string, char *match)
16820 length = strlen(match);
16822 for (i = strlen(string) - length; i >= 0; i--, string++) {
16823 for (j = 0; j < length; j++) {
16824 if (ToLower(match[j]) != ToLower(string[j]))
16827 if (j == length) return string;
16835 StrCaseCmp (char *s1, char *s2)
16840 c1 = ToLower(*s1++);
16841 c2 = ToLower(*s2++);
16842 if (c1 > c2) return 1;
16843 if (c1 < c2) return -1;
16844 if (c1 == NULLCHAR) return 0;
16852 return isupper(c) ? tolower(c) : c;
16859 return islower(c) ? toupper(c) : c;
16861 #endif /* !_amigados */
16868 if ((ret = (char *) malloc(strlen(s) + 1)))
16870 safeStrCpy(ret, s, strlen(s)+1);
16876 StrSavePtr (char *s, char **savePtr)
16881 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16882 safeStrCpy(*savePtr, s, strlen(s)+1);
16894 clock = time((time_t *)NULL);
16895 tm = localtime(&clock);
16896 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16897 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16898 return StrSave(buf);
16903 PositionToFEN (int move, char *overrideCastling)
16905 int i, j, fromX, fromY, toX, toY;
16912 whiteToPlay = (gameMode == EditPosition) ?
16913 !blackPlaysFirst : (move % 2 == 0);
16916 /* Piece placement data */
16917 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16918 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16920 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16921 if (boards[move][i][j] == EmptySquare) {
16923 } else { ChessSquare piece = boards[move][i][j];
16924 if (emptycount > 0) {
16925 if(emptycount<10) /* [HGM] can be >= 10 */
16926 *p++ = '0' + emptycount;
16927 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16930 if(PieceToChar(piece) == '+') {
16931 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16933 piece = (ChessSquare)(DEMOTED piece);
16935 *p++ = PieceToChar(piece);
16937 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16938 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16943 if (emptycount > 0) {
16944 if(emptycount<10) /* [HGM] can be >= 10 */
16945 *p++ = '0' + emptycount;
16946 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16953 /* [HGM] print Crazyhouse or Shogi holdings */
16954 if( gameInfo.holdingsWidth ) {
16955 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16957 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16958 piece = boards[move][i][BOARD_WIDTH-1];
16959 if( piece != EmptySquare )
16960 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16961 *p++ = PieceToChar(piece);
16963 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16964 piece = boards[move][BOARD_HEIGHT-i-1][0];
16965 if( piece != EmptySquare )
16966 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16967 *p++ = PieceToChar(piece);
16970 if( q == p ) *p++ = '-';
16976 *p++ = whiteToPlay ? 'w' : 'b';
16979 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16980 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16982 if(nrCastlingRights) {
16984 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16985 /* [HGM] write directly from rights */
16986 if(boards[move][CASTLING][2] != NoRights &&
16987 boards[move][CASTLING][0] != NoRights )
16988 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16989 if(boards[move][CASTLING][2] != NoRights &&
16990 boards[move][CASTLING][1] != NoRights )
16991 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16992 if(boards[move][CASTLING][5] != NoRights &&
16993 boards[move][CASTLING][3] != NoRights )
16994 *p++ = boards[move][CASTLING][3] + AAA;
16995 if(boards[move][CASTLING][5] != NoRights &&
16996 boards[move][CASTLING][4] != NoRights )
16997 *p++ = boards[move][CASTLING][4] + AAA;
17000 /* [HGM] write true castling rights */
17001 if( nrCastlingRights == 6 ) {
17003 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17004 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17005 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17006 boards[move][CASTLING][2] != NoRights );
17007 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17008 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17009 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17010 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17011 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17015 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17016 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17017 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17018 boards[move][CASTLING][5] != NoRights );
17019 if(gameInfo.variant == VariantSChess) {
17020 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17021 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17022 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17023 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17028 if (q == p) *p++ = '-'; /* No castling rights */
17032 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17033 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17034 /* En passant target square */
17035 if (move > backwardMostMove) {
17036 fromX = moveList[move - 1][0] - AAA;
17037 fromY = moveList[move - 1][1] - ONE;
17038 toX = moveList[move - 1][2] - AAA;
17039 toY = moveList[move - 1][3] - ONE;
17040 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17041 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17042 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17044 /* 2-square pawn move just happened */
17046 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17050 } else if(move == backwardMostMove) {
17051 // [HGM] perhaps we should always do it like this, and forget the above?
17052 if((signed char)boards[move][EP_STATUS] >= 0) {
17053 *p++ = boards[move][EP_STATUS] + AAA;
17054 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17065 /* [HGM] find reversible plies */
17066 { int i = 0, j=move;
17068 if (appData.debugMode) { int k;
17069 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17070 for(k=backwardMostMove; k<=forwardMostMove; k++)
17071 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17075 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17076 if( j == backwardMostMove ) i += initialRulePlies;
17077 sprintf(p, "%d ", i);
17078 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17080 /* Fullmove number */
17081 sprintf(p, "%d", (move / 2) + 1);
17083 return StrSave(buf);
17087 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17091 int emptycount, virgin[BOARD_FILES];
17096 /* [HGM] by default clear Crazyhouse holdings, if present */
17097 if(gameInfo.holdingsWidth) {
17098 for(i=0; i<BOARD_HEIGHT; i++) {
17099 board[i][0] = EmptySquare; /* black holdings */
17100 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17101 board[i][1] = (ChessSquare) 0; /* black counts */
17102 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17106 /* Piece placement data */
17107 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17110 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17111 if (*p == '/') p++;
17112 emptycount = gameInfo.boardWidth - j;
17113 while (emptycount--)
17114 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17116 #if(BOARD_FILES >= 10)
17117 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17118 p++; emptycount=10;
17119 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17120 while (emptycount--)
17121 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17123 } else if (isdigit(*p)) {
17124 emptycount = *p++ - '0';
17125 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17126 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17127 while (emptycount--)
17128 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17129 } else if (*p == '+' || isalpha(*p)) {
17130 if (j >= gameInfo.boardWidth) return FALSE;
17132 piece = CharToPiece(*++p);
17133 if(piece == EmptySquare) return FALSE; /* unknown piece */
17134 piece = (ChessSquare) (PROMOTED piece ); p++;
17135 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17136 } else piece = CharToPiece(*p++);
17138 if(piece==EmptySquare) return FALSE; /* unknown piece */
17139 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17140 piece = (ChessSquare) (PROMOTED piece);
17141 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17144 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17150 while (*p == '/' || *p == ' ') p++;
17152 /* [HGM] look for Crazyhouse holdings here */
17153 while(*p==' ') p++;
17154 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17156 if(*p == '-' ) p++; /* empty holdings */ else {
17157 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17158 /* if we would allow FEN reading to set board size, we would */
17159 /* have to add holdings and shift the board read so far here */
17160 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17162 if((int) piece >= (int) BlackPawn ) {
17163 i = (int)piece - (int)BlackPawn;
17164 i = PieceToNumber((ChessSquare)i);
17165 if( i >= gameInfo.holdingsSize ) return FALSE;
17166 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17167 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17169 i = (int)piece - (int)WhitePawn;
17170 i = PieceToNumber((ChessSquare)i);
17171 if( i >= gameInfo.holdingsSize ) return FALSE;
17172 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17173 board[i][BOARD_WIDTH-2]++; /* black holdings */
17180 while(*p == ' ') p++;
17184 if(appData.colorNickNames) {
17185 if( c == appData.colorNickNames[0] ) c = 'w'; else
17186 if( c == appData.colorNickNames[1] ) c = 'b';
17190 *blackPlaysFirst = FALSE;
17193 *blackPlaysFirst = TRUE;
17199 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17200 /* return the extra info in global variiables */
17202 /* set defaults in case FEN is incomplete */
17203 board[EP_STATUS] = EP_UNKNOWN;
17204 for(i=0; i<nrCastlingRights; i++ ) {
17205 board[CASTLING][i] =
17206 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17207 } /* assume possible unless obviously impossible */
17208 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17209 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17210 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17211 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17212 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17213 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17214 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17215 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17218 while(*p==' ') p++;
17219 if(nrCastlingRights) {
17220 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17221 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17222 /* castling indicator present, so default becomes no castlings */
17223 for(i=0; i<nrCastlingRights; i++ ) {
17224 board[CASTLING][i] = NoRights;
17227 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17228 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17229 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17230 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17231 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17233 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17234 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17235 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17237 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17238 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17239 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17240 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17241 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17242 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17245 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17246 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17247 board[CASTLING][2] = whiteKingFile;
17248 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17249 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17252 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17253 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17254 board[CASTLING][2] = whiteKingFile;
17255 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17256 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17259 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17260 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17261 board[CASTLING][5] = blackKingFile;
17262 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17263 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17266 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17267 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17268 board[CASTLING][5] = blackKingFile;
17269 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17270 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17273 default: /* FRC castlings */
17274 if(c >= 'a') { /* black rights */
17275 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17276 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17277 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17278 if(i == BOARD_RGHT) break;
17279 board[CASTLING][5] = i;
17281 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17282 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17284 board[CASTLING][3] = c;
17286 board[CASTLING][4] = c;
17287 } else { /* white rights */
17288 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17289 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17290 if(board[0][i] == WhiteKing) break;
17291 if(i == BOARD_RGHT) break;
17292 board[CASTLING][2] = i;
17293 c -= AAA - 'a' + 'A';
17294 if(board[0][c] >= WhiteKing) break;
17296 board[CASTLING][0] = c;
17298 board[CASTLING][1] = c;
17302 for(i=0; i<nrCastlingRights; i++)
17303 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17304 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17305 if (appData.debugMode) {
17306 fprintf(debugFP, "FEN castling rights:");
17307 for(i=0; i<nrCastlingRights; i++)
17308 fprintf(debugFP, " %d", board[CASTLING][i]);
17309 fprintf(debugFP, "\n");
17312 while(*p==' ') p++;
17315 /* read e.p. field in games that know e.p. capture */
17316 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17317 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17319 p++; board[EP_STATUS] = EP_NONE;
17321 char c = *p++ - AAA;
17323 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17324 if(*p >= '0' && *p <='9') p++;
17325 board[EP_STATUS] = c;
17330 if(sscanf(p, "%d", &i) == 1) {
17331 FENrulePlies = i; /* 50-move ply counter */
17332 /* (The move number is still ignored) */
17339 EditPositionPasteFEN (char *fen)
17342 Board initial_position;
17344 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17345 DisplayError(_("Bad FEN position in clipboard"), 0);
17348 int savedBlackPlaysFirst = blackPlaysFirst;
17349 EditPositionEvent();
17350 blackPlaysFirst = savedBlackPlaysFirst;
17351 CopyBoard(boards[0], initial_position);
17352 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17353 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17354 DisplayBothClocks();
17355 DrawPosition(FALSE, boards[currentMove]);
17360 static char cseq[12] = "\\ ";
17363 set_cont_sequence (char *new_seq)
17368 // handle bad attempts to set the sequence
17370 return 0; // acceptable error - no debug
17372 len = strlen(new_seq);
17373 ret = (len > 0) && (len < sizeof(cseq));
17375 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17376 else if (appData.debugMode)
17377 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17382 reformat a source message so words don't cross the width boundary. internal
17383 newlines are not removed. returns the wrapped size (no null character unless
17384 included in source message). If dest is NULL, only calculate the size required
17385 for the dest buffer. lp argument indicats line position upon entry, and it's
17386 passed back upon exit.
17389 wrap (char *dest, char *src, int count, int width, int *lp)
17391 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17393 cseq_len = strlen(cseq);
17394 old_line = line = *lp;
17395 ansi = len = clen = 0;
17397 for (i=0; i < count; i++)
17399 if (src[i] == '\033')
17402 // if we hit the width, back up
17403 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17405 // store i & len in case the word is too long
17406 old_i = i, old_len = len;
17408 // find the end of the last word
17409 while (i && src[i] != ' ' && src[i] != '\n')
17415 // word too long? restore i & len before splitting it
17416 if ((old_i-i+clen) >= width)
17423 if (i && src[i-1] == ' ')
17426 if (src[i] != ' ' && src[i] != '\n')
17433 // now append the newline and continuation sequence
17438 strncpy(dest+len, cseq, cseq_len);
17446 dest[len] = src[i];
17450 if (src[i] == '\n')
17455 if (dest && appData.debugMode)
17457 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17458 count, width, line, len, *lp);
17459 show_bytes(debugFP, src, count);
17460 fprintf(debugFP, "\ndest: ");
17461 show_bytes(debugFP, dest, len);
17462 fprintf(debugFP, "\n");
17464 *lp = dest ? line : old_line;
17469 // [HGM] vari: routines for shelving variations
17470 Boolean modeRestore = FALSE;
17473 PushInner (int firstMove, int lastMove)
17475 int i, j, nrMoves = lastMove - firstMove;
17477 // push current tail of game on stack
17478 savedResult[storedGames] = gameInfo.result;
17479 savedDetails[storedGames] = gameInfo.resultDetails;
17480 gameInfo.resultDetails = NULL;
17481 savedFirst[storedGames] = firstMove;
17482 savedLast [storedGames] = lastMove;
17483 savedFramePtr[storedGames] = framePtr;
17484 framePtr -= nrMoves; // reserve space for the boards
17485 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17486 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17487 for(j=0; j<MOVE_LEN; j++)
17488 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17489 for(j=0; j<2*MOVE_LEN; j++)
17490 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17491 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17492 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17493 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17494 pvInfoList[firstMove+i-1].depth = 0;
17495 commentList[framePtr+i] = commentList[firstMove+i];
17496 commentList[firstMove+i] = NULL;
17500 forwardMostMove = firstMove; // truncate game so we can start variation
17504 PushTail (int firstMove, int lastMove)
17506 if(appData.icsActive) { // only in local mode
17507 forwardMostMove = currentMove; // mimic old ICS behavior
17510 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17512 PushInner(firstMove, lastMove);
17513 if(storedGames == 1) GreyRevert(FALSE);
17514 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17518 PopInner (Boolean annotate)
17521 char buf[8000], moveBuf[20];
17523 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17524 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17525 nrMoves = savedLast[storedGames] - currentMove;
17528 if(!WhiteOnMove(currentMove))
17529 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17530 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17531 for(i=currentMove; i<forwardMostMove; i++) {
17533 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17534 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17535 strcat(buf, moveBuf);
17536 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17537 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17541 for(i=1; i<=nrMoves; i++) { // copy last variation back
17542 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17543 for(j=0; j<MOVE_LEN; j++)
17544 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17545 for(j=0; j<2*MOVE_LEN; j++)
17546 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17547 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17548 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17549 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17550 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17551 commentList[currentMove+i] = commentList[framePtr+i];
17552 commentList[framePtr+i] = NULL;
17554 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17555 framePtr = savedFramePtr[storedGames];
17556 gameInfo.result = savedResult[storedGames];
17557 if(gameInfo.resultDetails != NULL) {
17558 free(gameInfo.resultDetails);
17560 gameInfo.resultDetails = savedDetails[storedGames];
17561 forwardMostMove = currentMove + nrMoves;
17565 PopTail (Boolean annotate)
17567 if(appData.icsActive) return FALSE; // only in local mode
17568 if(!storedGames) return FALSE; // sanity
17569 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17571 PopInner(annotate);
17572 if(currentMove < forwardMostMove) ForwardEvent(); else
17573 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17575 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17581 { // remove all shelved variations
17583 for(i=0; i<storedGames; i++) {
17584 if(savedDetails[i])
17585 free(savedDetails[i]);
17586 savedDetails[i] = NULL;
17588 for(i=framePtr; i<MAX_MOVES; i++) {
17589 if(commentList[i]) free(commentList[i]);
17590 commentList[i] = NULL;
17592 framePtr = MAX_MOVES-1;
17597 LoadVariation (int index, char *text)
17598 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17599 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17600 int level = 0, move;
17602 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17603 // first find outermost bracketing variation
17604 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17605 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17606 if(*p == '{') wait = '}'; else
17607 if(*p == '[') wait = ']'; else
17608 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17609 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17611 if(*p == wait) wait = NULLCHAR; // closing ]} found
17614 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17615 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17616 end[1] = NULLCHAR; // clip off comment beyond variation
17617 ToNrEvent(currentMove-1);
17618 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17619 // kludge: use ParsePV() to append variation to game
17620 move = currentMove;
17621 ParsePV(start, TRUE, TRUE);
17622 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17623 ClearPremoveHighlights();
17625 ToNrEvent(currentMove+1);
17631 char *p, *q, buf[MSG_SIZ];
17632 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17633 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17634 ParseArgsFromString(buf);
17635 ActivateTheme(TRUE); // also redo colors
17639 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17642 q = appData.themeNames;
17643 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17644 if(appData.useBitmaps) {
17645 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17646 appData.liteBackTextureFile, appData.darkBackTextureFile,
17647 appData.liteBackTextureMode,
17648 appData.darkBackTextureMode );
17650 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17651 Col2Text(2), // lightSquareColor
17652 Col2Text(3) ); // darkSquareColor
17654 if(appData.useBorder) {
17655 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17658 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17660 if(appData.useFont) {
17661 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17662 appData.renderPiecesWithFont,
17663 appData.fontToPieceTable,
17664 Col2Text(9), // appData.fontBackColorWhite
17665 Col2Text(10) ); // appData.fontForeColorBlack
17667 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17668 appData.pieceDirectory);
17669 if(!appData.pieceDirectory[0])
17670 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17671 Col2Text(0), // whitePieceColor
17672 Col2Text(1) ); // blackPieceColor
17674 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17675 Col2Text(4), // highlightSquareColor
17676 Col2Text(5) ); // premoveHighlightColor
17677 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17678 if(insert != q) insert[-1] = NULLCHAR;
17679 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17682 ActivateTheme(FALSE);