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));
228 static int NonStandardBoardSize P((void));
231 extern void ConsoleCreate();
234 ChessProgramState *WhitePlayer();
235 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
236 int VerifyDisplayMode P(());
238 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
239 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
240 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
241 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
242 void ics_update_width P((int new_width));
243 extern char installDir[MSG_SIZ];
244 VariantClass startVariant; /* [HGM] nicks: initial variant */
247 extern int tinyLayout, smallLayout;
248 ChessProgramStats programStats;
249 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
251 static int exiting = 0; /* [HGM] moved to top */
252 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
253 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
254 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
255 int partnerHighlight[2];
256 Boolean partnerBoardValid = 0;
257 char partnerStatus[MSG_SIZ];
259 Boolean originalFlip;
260 Boolean twoBoards = 0;
261 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
262 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
263 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
264 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
265 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
266 int opponentKibitzes;
267 int lastSavedGame; /* [HGM] save: ID of game */
268 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
269 extern int chatCount;
271 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
272 char lastMsg[MSG_SIZ];
273 ChessSquare pieceSweep = EmptySquare;
274 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
275 int promoDefaultAltered;
276 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
278 /* States for ics_getting_history */
280 #define H_REQUESTED 1
281 #define H_GOT_REQ_HEADER 2
282 #define H_GOT_UNREQ_HEADER 3
283 #define H_GETTING_MOVES 4
284 #define H_GOT_UNWANTED_HEADER 5
286 /* whosays values for GameEnds */
295 /* Maximum number of games in a cmail message */
296 #define CMAIL_MAX_GAMES 20
298 /* Different types of move when calling RegisterMove */
300 #define CMAIL_RESIGN 1
302 #define CMAIL_ACCEPT 3
304 /* Different types of result to remember for each game */
305 #define CMAIL_NOT_RESULT 0
306 #define CMAIL_OLD_RESULT 1
307 #define CMAIL_NEW_RESULT 2
309 /* Telnet protocol constants */
320 safeStrCpy (char *dst, const char *src, size_t count)
323 assert( dst != NULL );
324 assert( src != NULL );
327 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
328 if( i == count && dst[count-1] != NULLCHAR)
330 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
331 if(appData.debugMode)
332 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
338 /* Some compiler can't cast u64 to double
339 * This function do the job for us:
341 * We use the highest bit for cast, this only
342 * works if the highest bit is not
343 * in use (This should not happen)
345 * We used this for all compiler
348 u64ToDouble (u64 value)
351 u64 tmp = value & u64Const(0x7fffffffffffffff);
352 r = (double)(s64)tmp;
353 if (value & u64Const(0x8000000000000000))
354 r += 9.2233720368547758080e18; /* 2^63 */
358 /* Fake up flags for now, as we aren't keeping track of castling
359 availability yet. [HGM] Change of logic: the flag now only
360 indicates the type of castlings allowed by the rule of the game.
361 The actual rights themselves are maintained in the array
362 castlingRights, as part of the game history, and are not probed
368 int flags = F_ALL_CASTLE_OK;
369 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
370 switch (gameInfo.variant) {
372 flags &= ~F_ALL_CASTLE_OK;
373 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
374 flags |= F_IGNORE_CHECK;
376 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
379 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
381 case VariantKriegspiel:
382 flags |= F_KRIEGSPIEL_CAPTURE;
384 case VariantCapaRandom:
385 case VariantFischeRandom:
386 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
387 case VariantNoCastle:
388 case VariantShatranj:
392 flags &= ~F_ALL_CASTLE_OK;
400 FILE *gameFileFP, *debugFP, *serverFP;
401 char *currentDebugFile; // [HGM] debug split: to remember name
404 [AS] Note: sometimes, the sscanf() function is used to parse the input
405 into a fixed-size buffer. Because of this, we must be prepared to
406 receive strings as long as the size of the input buffer, which is currently
407 set to 4K for Windows and 8K for the rest.
408 So, we must either allocate sufficiently large buffers here, or
409 reduce the size of the input buffer in the input reading part.
412 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
413 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
414 char thinkOutput1[MSG_SIZ*10];
416 ChessProgramState first, second, pairing;
418 /* premove variables */
421 int premoveFromX = 0;
422 int premoveFromY = 0;
423 int premovePromoChar = 0;
425 Boolean alarmSounded;
426 /* end premove variables */
428 char *ics_prefix = "$";
429 enum ICS_TYPE ics_type = ICS_GENERIC;
431 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
432 int pauseExamForwardMostMove = 0;
433 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
434 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
435 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
436 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
437 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
438 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
439 int whiteFlag = FALSE, blackFlag = FALSE;
440 int userOfferedDraw = FALSE;
441 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
442 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
443 int cmailMoveType[CMAIL_MAX_GAMES];
444 long ics_clock_paused = 0;
445 ProcRef icsPR = NoProc, cmailPR = NoProc;
446 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
447 GameMode gameMode = BeginningOfGame;
448 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
449 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
450 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
451 int hiddenThinkOutputState = 0; /* [AS] */
452 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
453 int adjudicateLossPlies = 6;
454 char white_holding[64], black_holding[64];
455 TimeMark lastNodeCountTime;
456 long lastNodeCount=0;
457 int shiftKey, controlKey; // [HGM] set by mouse handler
459 int have_sent_ICS_logon = 0;
461 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
462 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
463 Boolean adjustedClock;
464 long timeControl_2; /* [AS] Allow separate time controls */
465 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
466 long timeRemaining[2][MAX_MOVES];
467 int matchGame = 0, nextGame = 0, roundNr = 0;
468 Boolean waitingForGame = FALSE, startingEngine = FALSE;
469 TimeMark programStartTime, pauseStart;
470 char ics_handle[MSG_SIZ];
471 int have_set_title = 0;
473 /* animateTraining preserves the state of appData.animate
474 * when Training mode is activated. This allows the
475 * response to be animated when appData.animate == TRUE and
476 * appData.animateDragging == TRUE.
478 Boolean animateTraining;
484 Board boards[MAX_MOVES];
485 /* [HGM] Following 7 needed for accurate legality tests: */
486 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
487 signed char initialRights[BOARD_FILES];
488 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
489 int initialRulePlies, FENrulePlies;
490 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
492 Boolean shuffleOpenings;
493 int mute; // mute all sounds
495 // [HGM] vari: next 12 to save and restore variations
496 #define MAX_VARIATIONS 10
497 int framePtr = MAX_MOVES-1; // points to free stack entry
499 int savedFirst[MAX_VARIATIONS];
500 int savedLast[MAX_VARIATIONS];
501 int savedFramePtr[MAX_VARIATIONS];
502 char *savedDetails[MAX_VARIATIONS];
503 ChessMove savedResult[MAX_VARIATIONS];
505 void PushTail P((int firstMove, int lastMove));
506 Boolean PopTail P((Boolean annotate));
507 void PushInner P((int firstMove, int lastMove));
508 void PopInner P((Boolean annotate));
509 void CleanupTail P((void));
511 ChessSquare FIDEArray[2][BOARD_FILES] = {
512 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
513 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
514 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
515 BlackKing, BlackBishop, BlackKnight, BlackRook }
518 ChessSquare twoKingsArray[2][BOARD_FILES] = {
519 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
520 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
521 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
522 BlackKing, BlackKing, BlackKnight, BlackRook }
525 ChessSquare KnightmateArray[2][BOARD_FILES] = {
526 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
527 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
528 { BlackRook, BlackMan, BlackBishop, BlackQueen,
529 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
532 ChessSquare SpartanArray[2][BOARD_FILES] = {
533 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
534 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
535 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
536 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
539 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
540 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
542 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
543 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
546 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
547 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
548 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
549 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
550 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
553 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
554 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
555 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
556 { BlackRook, BlackKnight, BlackMan, BlackFerz,
557 BlackKing, BlackMan, BlackKnight, BlackRook }
561 #if (BOARD_FILES>=10)
562 ChessSquare ShogiArray[2][BOARD_FILES] = {
563 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
564 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
565 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
566 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
569 ChessSquare XiangqiArray[2][BOARD_FILES] = {
570 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
571 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
572 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
573 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
576 ChessSquare CapablancaArray[2][BOARD_FILES] = {
577 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
578 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
580 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
583 ChessSquare GreatArray[2][BOARD_FILES] = {
584 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
585 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
586 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
587 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
590 ChessSquare JanusArray[2][BOARD_FILES] = {
591 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
592 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
593 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
594 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
597 ChessSquare GrandArray[2][BOARD_FILES] = {
598 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
599 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
600 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
601 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
605 ChessSquare GothicArray[2][BOARD_FILES] = {
606 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
607 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
608 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
609 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
612 #define GothicArray CapablancaArray
616 ChessSquare FalconArray[2][BOARD_FILES] = {
617 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
618 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
619 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
620 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
623 #define FalconArray CapablancaArray
626 #else // !(BOARD_FILES>=10)
627 #define XiangqiPosition FIDEArray
628 #define CapablancaArray FIDEArray
629 #define GothicArray FIDEArray
630 #define GreatArray FIDEArray
631 #endif // !(BOARD_FILES>=10)
633 #if (BOARD_FILES>=12)
634 ChessSquare CourierArray[2][BOARD_FILES] = {
635 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
636 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
637 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
638 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
640 #else // !(BOARD_FILES>=12)
641 #define CourierArray CapablancaArray
642 #endif // !(BOARD_FILES>=12)
645 Board initialPosition;
648 /* Convert str to a rating. Checks for special cases of "----",
650 "++++", etc. Also strips ()'s */
652 string_to_rating (char *str)
654 while(*str && !isdigit(*str)) ++str;
656 return 0; /* One of the special "no rating" cases */
664 /* Init programStats */
665 programStats.movelist[0] = 0;
666 programStats.depth = 0;
667 programStats.nr_moves = 0;
668 programStats.moves_left = 0;
669 programStats.nodes = 0;
670 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
671 programStats.score = 0;
672 programStats.got_only_move = 0;
673 programStats.got_fail = 0;
674 programStats.line_is_book = 0;
679 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
680 if (appData.firstPlaysBlack) {
681 first.twoMachinesColor = "black\n";
682 second.twoMachinesColor = "white\n";
684 first.twoMachinesColor = "white\n";
685 second.twoMachinesColor = "black\n";
688 first.other = &second;
689 second.other = &first;
692 if(appData.timeOddsMode) {
693 norm = appData.timeOdds[0];
694 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
696 first.timeOdds = appData.timeOdds[0]/norm;
697 second.timeOdds = appData.timeOdds[1]/norm;
700 if(programVersion) free(programVersion);
701 if (appData.noChessProgram) {
702 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
703 sprintf(programVersion, "%s", PACKAGE_STRING);
705 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
706 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
707 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
712 UnloadEngine (ChessProgramState *cps)
714 /* Kill off first chess program */
715 if (cps->isr != NULL)
716 RemoveInputSource(cps->isr);
719 if (cps->pr != NoProc) {
721 DoSleep( appData.delayBeforeQuit );
722 SendToProgram("quit\n", cps);
723 DoSleep( appData.delayAfterQuit );
724 DestroyChildProcess(cps->pr, cps->useSigterm);
727 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
731 ClearOptions (ChessProgramState *cps)
734 cps->nrOptions = cps->comboCnt = 0;
735 for(i=0; i<MAX_OPTIONS; i++) {
736 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
737 cps->option[i].textValue = 0;
741 char *engineNames[] = {
742 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
743 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
745 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
746 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
751 InitEngine (ChessProgramState *cps, int n)
752 { // [HGM] all engine initialiation put in a function that does one engine
756 cps->which = engineNames[n];
757 cps->maybeThinking = FALSE;
761 cps->sendDrawOffers = 1;
763 cps->program = appData.chessProgram[n];
764 cps->host = appData.host[n];
765 cps->dir = appData.directory[n];
766 cps->initString = appData.engInitString[n];
767 cps->computerString = appData.computerString[n];
768 cps->useSigint = TRUE;
769 cps->useSigterm = TRUE;
770 cps->reuse = appData.reuse[n];
771 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
772 cps->useSetboard = FALSE;
774 cps->usePing = FALSE;
777 cps->usePlayother = FALSE;
778 cps->useColors = TRUE;
779 cps->useUsermove = FALSE;
780 cps->sendICS = FALSE;
781 cps->sendName = appData.icsActive;
782 cps->sdKludge = FALSE;
783 cps->stKludge = FALSE;
784 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
785 TidyProgramName(cps->program, cps->host, cps->tidy);
787 ASSIGN(cps->variants, appData.variant);
788 cps->analysisSupport = 2; /* detect */
789 cps->analyzing = FALSE;
790 cps->initDone = FALSE;
793 /* New features added by Tord: */
794 cps->useFEN960 = FALSE;
795 cps->useOOCastle = TRUE;
796 /* End of new features added by Tord. */
797 cps->fenOverride = appData.fenOverride[n];
799 /* [HGM] time odds: set factor for each machine */
800 cps->timeOdds = appData.timeOdds[n];
802 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
803 cps->accumulateTC = appData.accumulateTC[n];
804 cps->maxNrOfSessions = 1;
809 cps->supportsNPS = UNKNOWN;
810 cps->memSize = FALSE;
811 cps->maxCores = FALSE;
812 ASSIGN(cps->egtFormats, "");
815 cps->optionSettings = appData.engOptions[n];
817 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
818 cps->isUCI = appData.isUCI[n]; /* [AS] */
819 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
821 if (appData.protocolVersion[n] > PROTOVER
822 || appData.protocolVersion[n] < 1)
827 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
828 appData.protocolVersion[n]);
829 if( (len >= MSG_SIZ) && appData.debugMode )
830 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
832 DisplayFatalError(buf, 0, 2);
836 cps->protocolVersion = appData.protocolVersion[n];
839 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
840 ParseFeatures(appData.featureDefaults, cps);
843 ChessProgramState *savCps;
851 if(WaitForEngine(savCps, LoadEngine)) return;
852 CommonEngineInit(); // recalculate time odds
853 if(gameInfo.variant != StringToVariant(appData.variant)) {
854 // we changed variant when loading the engine; this forces us to reset
855 Reset(TRUE, savCps != &first);
856 oldMode = BeginningOfGame; // to prevent restoring old mode
858 InitChessProgram(savCps, FALSE);
859 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
860 DisplayMessage("", "");
861 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
862 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
865 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
869 ReplaceEngine (ChessProgramState *cps, int n)
871 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
873 if(oldMode != BeginningOfGame) EditGameEvent();
876 appData.noChessProgram = FALSE;
877 appData.clockMode = TRUE;
880 if(n) return; // only startup first engine immediately; second can wait
881 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
885 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
886 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
888 static char resetOptions[] =
889 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
890 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
891 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
892 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
895 FloatToFront(char **list, char *engineLine)
897 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
899 if(appData.recentEngines <= 0) return;
900 TidyProgramName(engineLine, "localhost", tidy+1);
901 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
902 strncpy(buf+1, *list, MSG_SIZ-50);
903 if(p = strstr(buf, tidy)) { // tidy name appears in list
904 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
905 while(*p++ = *++q); // squeeze out
907 strcat(tidy, buf+1); // put list behind tidy name
908 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
909 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
910 ASSIGN(*list, tidy+1);
913 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
916 Load (ChessProgramState *cps, int i)
918 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
919 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
920 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
921 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
922 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
923 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
924 appData.firstProtocolVersion = PROTOVER;
925 ParseArgsFromString(buf);
927 ReplaceEngine(cps, i);
928 FloatToFront(&appData.recentEngineList, engineLine);
932 while(q = strchr(p, SLASH)) p = q+1;
933 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
934 if(engineDir[0] != NULLCHAR) {
935 ASSIGN(appData.directory[i], engineDir); p = engineName;
936 } else if(p != engineName) { // derive directory from engine path, when not given
938 ASSIGN(appData.directory[i], engineName);
940 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
941 } else { ASSIGN(appData.directory[i], "."); }
943 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
944 snprintf(command, MSG_SIZ, "%s %s", p, params);
947 ASSIGN(appData.chessProgram[i], p);
948 appData.isUCI[i] = isUCI;
949 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
950 appData.hasOwnBookUCI[i] = hasBook;
951 if(!nickName[0]) useNick = FALSE;
952 if(useNick) ASSIGN(appData.pgnName[i], nickName);
956 q = firstChessProgramNames;
957 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
958 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
959 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
960 quote, p, quote, appData.directory[i],
961 useNick ? " -fn \"" : "",
962 useNick ? nickName : "",
964 v1 ? " -firstProtocolVersion 1" : "",
965 hasBook ? "" : " -fNoOwnBookUCI",
966 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
967 storeVariant ? " -variant " : "",
968 storeVariant ? VariantName(gameInfo.variant) : "");
969 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
970 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
971 if(insert != q) insert[-1] = NULLCHAR;
972 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
974 FloatToFront(&appData.recentEngineList, buf);
976 ReplaceEngine(cps, i);
982 int matched, min, sec;
984 * Parse timeControl resource
986 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
987 appData.movesPerSession)) {
989 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
990 DisplayFatalError(buf, 0, 2);
994 * Parse searchTime resource
996 if (*appData.searchTime != NULLCHAR) {
997 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
999 searchTime = min * 60;
1000 } else if (matched == 2) {
1001 searchTime = min * 60 + sec;
1004 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1005 DisplayFatalError(buf, 0, 2);
1014 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1015 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1017 GetTimeMark(&programStartTime);
1018 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1019 appData.seedBase = random() + (random()<<15);
1020 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1022 ClearProgramStats();
1023 programStats.ok_to_send = 1;
1024 programStats.seen_stat = 0;
1027 * Initialize game list
1033 * Internet chess server status
1035 if (appData.icsActive) {
1036 appData.matchMode = FALSE;
1037 appData.matchGames = 0;
1039 appData.noChessProgram = !appData.zippyPlay;
1041 appData.zippyPlay = FALSE;
1042 appData.zippyTalk = FALSE;
1043 appData.noChessProgram = TRUE;
1045 if (*appData.icsHelper != NULLCHAR) {
1046 appData.useTelnet = TRUE;
1047 appData.telnetProgram = appData.icsHelper;
1050 appData.zippyTalk = appData.zippyPlay = FALSE;
1053 /* [AS] Initialize pv info list [HGM] and game state */
1057 for( i=0; i<=framePtr; i++ ) {
1058 pvInfoList[i].depth = -1;
1059 boards[i][EP_STATUS] = EP_NONE;
1060 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1066 /* [AS] Adjudication threshold */
1067 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1069 InitEngine(&first, 0);
1070 InitEngine(&second, 1);
1073 pairing.which = "pairing"; // pairing engine
1074 pairing.pr = NoProc;
1076 pairing.program = appData.pairingEngine;
1077 pairing.host = "localhost";
1080 if (appData.icsActive) {
1081 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1082 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1083 appData.clockMode = FALSE;
1084 first.sendTime = second.sendTime = 0;
1088 /* Override some settings from environment variables, for backward
1089 compatibility. Unfortunately it's not feasible to have the env
1090 vars just set defaults, at least in xboard. Ugh.
1092 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1097 if (!appData.icsActive) {
1101 /* Check for variants that are supported only in ICS mode,
1102 or not at all. Some that are accepted here nevertheless
1103 have bugs; see comments below.
1105 VariantClass variant = StringToVariant(appData.variant);
1107 case VariantBughouse: /* need four players and two boards */
1108 case VariantKriegspiel: /* need to hide pieces and move details */
1109 /* case VariantFischeRandom: (Fabien: moved below) */
1110 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1111 if( (len >= MSG_SIZ) && appData.debugMode )
1112 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1114 DisplayFatalError(buf, 0, 2);
1117 case VariantUnknown:
1118 case VariantLoadable:
1128 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1129 if( (len >= MSG_SIZ) && appData.debugMode )
1130 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1132 DisplayFatalError(buf, 0, 2);
1135 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1136 case VariantFairy: /* [HGM] TestLegality definitely off! */
1137 case VariantGothic: /* [HGM] should work */
1138 case VariantCapablanca: /* [HGM] should work */
1139 case VariantCourier: /* [HGM] initial forced moves not implemented */
1140 case VariantShogi: /* [HGM] could still mate with pawn drop */
1141 case VariantKnightmate: /* [HGM] should work */
1142 case VariantCylinder: /* [HGM] untested */
1143 case VariantFalcon: /* [HGM] untested */
1144 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1145 offboard interposition not understood */
1146 case VariantNormal: /* definitely works! */
1147 case VariantWildCastle: /* pieces not automatically shuffled */
1148 case VariantNoCastle: /* pieces not automatically shuffled */
1149 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1150 case VariantLosers: /* should work except for win condition,
1151 and doesn't know captures are mandatory */
1152 case VariantSuicide: /* should work except for win condition,
1153 and doesn't know captures are mandatory */
1154 case VariantGiveaway: /* should work except for win condition,
1155 and doesn't know captures are mandatory */
1156 case VariantTwoKings: /* should work */
1157 case VariantAtomic: /* should work except for win condition */
1158 case Variant3Check: /* should work except for win condition */
1159 case VariantShatranj: /* should work except for all win conditions */
1160 case VariantMakruk: /* should work except for draw countdown */
1161 case VariantBerolina: /* might work if TestLegality is off */
1162 case VariantCapaRandom: /* should work */
1163 case VariantJanus: /* should work */
1164 case VariantSuper: /* experimental */
1165 case VariantGreat: /* experimental, requires legality testing to be off */
1166 case VariantSChess: /* S-Chess, should work */
1167 case VariantGrand: /* should work */
1168 case VariantSpartan: /* should work */
1176 NextIntegerFromString (char ** str, long * value)
1181 while( *s == ' ' || *s == '\t' ) {
1187 if( *s >= '0' && *s <= '9' ) {
1188 while( *s >= '0' && *s <= '9' ) {
1189 *value = *value * 10 + (*s - '0');
1202 NextTimeControlFromString (char ** str, long * value)
1205 int result = NextIntegerFromString( str, &temp );
1208 *value = temp * 60; /* Minutes */
1209 if( **str == ':' ) {
1211 result = NextIntegerFromString( str, &temp );
1212 *value += temp; /* Seconds */
1220 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1221 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1222 int result = -1, type = 0; long temp, temp2;
1224 if(**str != ':') return -1; // old params remain in force!
1226 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1227 if( NextIntegerFromString( str, &temp ) ) return -1;
1228 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1231 /* time only: incremental or sudden-death time control */
1232 if(**str == '+') { /* increment follows; read it */
1234 if(**str == '!') type = *(*str)++; // Bronstein TC
1235 if(result = NextIntegerFromString( str, &temp2)) return -1;
1236 *inc = temp2 * 1000;
1237 if(**str == '.') { // read fraction of increment
1238 char *start = ++(*str);
1239 if(result = NextIntegerFromString( str, &temp2)) return -1;
1241 while(start++ < *str) temp2 /= 10;
1245 *moves = 0; *tc = temp * 1000; *incType = type;
1249 (*str)++; /* classical time control */
1250 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1262 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1263 { /* [HGM] get time to add from the multi-session time-control string */
1264 int incType, moves=1; /* kludge to force reading of first session */
1265 long time, increment;
1268 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1270 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1271 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1272 if(movenr == -1) return time; /* last move before new session */
1273 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1274 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1275 if(!moves) return increment; /* current session is incremental */
1276 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1277 } while(movenr >= -1); /* try again for next session */
1279 return 0; // no new time quota on this move
1283 ParseTimeControl (char *tc, float ti, int mps)
1287 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1290 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1291 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1292 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1296 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1298 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1301 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1303 snprintf(buf, MSG_SIZ, ":%s", mytc);
1305 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1307 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1312 /* Parse second time control */
1315 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1323 timeControl_2 = tc2 * 1000;
1333 timeControl = tc1 * 1000;
1336 timeIncrement = ti * 1000; /* convert to ms */
1337 movesPerSession = 0;
1340 movesPerSession = mps;
1348 if (appData.debugMode) {
1349 # ifdef __GIT_VERSION
1350 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1352 fprintf(debugFP, "Version: %s\n", programVersion);
1355 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1357 set_cont_sequence(appData.wrapContSeq);
1358 if (appData.matchGames > 0) {
1359 appData.matchMode = TRUE;
1360 } else if (appData.matchMode) {
1361 appData.matchGames = 1;
1363 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1364 appData.matchGames = appData.sameColorGames;
1365 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1366 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1367 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1370 if (appData.noChessProgram || first.protocolVersion == 1) {
1373 /* kludge: allow timeout for initial "feature" commands */
1375 DisplayMessage("", _("Starting chess program"));
1376 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1381 CalculateIndex (int index, int gameNr)
1382 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1384 if(index > 0) return index; // fixed nmber
1385 if(index == 0) return 1;
1386 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1387 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1392 LoadGameOrPosition (int gameNr)
1393 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1394 if (*appData.loadGameFile != NULLCHAR) {
1395 if (!LoadGameFromFile(appData.loadGameFile,
1396 CalculateIndex(appData.loadGameIndex, gameNr),
1397 appData.loadGameFile, FALSE)) {
1398 DisplayFatalError(_("Bad game file"), 0, 1);
1401 } else if (*appData.loadPositionFile != NULLCHAR) {
1402 if (!LoadPositionFromFile(appData.loadPositionFile,
1403 CalculateIndex(appData.loadPositionIndex, gameNr),
1404 appData.loadPositionFile)) {
1405 DisplayFatalError(_("Bad position file"), 0, 1);
1413 ReserveGame (int gameNr, char resChar)
1415 FILE *tf = fopen(appData.tourneyFile, "r+");
1416 char *p, *q, c, buf[MSG_SIZ];
1417 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1418 safeStrCpy(buf, lastMsg, MSG_SIZ);
1419 DisplayMessage(_("Pick new game"), "");
1420 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1421 ParseArgsFromFile(tf);
1422 p = q = appData.results;
1423 if(appData.debugMode) {
1424 char *r = appData.participants;
1425 fprintf(debugFP, "results = '%s'\n", p);
1426 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1427 fprintf(debugFP, "\n");
1429 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1431 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1432 safeStrCpy(q, p, strlen(p) + 2);
1433 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1434 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1435 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1436 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1439 fseek(tf, -(strlen(p)+4), SEEK_END);
1441 if(c != '"') // depending on DOS or Unix line endings we can be one off
1442 fseek(tf, -(strlen(p)+2), SEEK_END);
1443 else fseek(tf, -(strlen(p)+3), SEEK_END);
1444 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1445 DisplayMessage(buf, "");
1446 free(p); appData.results = q;
1447 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1448 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1449 int round = appData.defaultMatchGames * appData.tourneyType;
1450 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1451 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1452 UnloadEngine(&first); // next game belongs to other pairing;
1453 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1455 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1459 MatchEvent (int mode)
1460 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1462 if(matchMode) { // already in match mode: switch it off
1464 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1467 // if(gameMode != BeginningOfGame) {
1468 // DisplayError(_("You can only start a match from the initial position."), 0);
1472 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1473 /* Set up machine vs. machine match */
1475 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1476 if(appData.tourneyFile[0]) {
1478 if(nextGame > appData.matchGames) {
1480 if(strchr(appData.results, '*') == NULL) {
1482 appData.tourneyCycles++;
1483 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1485 NextTourneyGame(-1, &dummy);
1487 if(nextGame <= appData.matchGames) {
1488 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1490 ScheduleDelayedEvent(NextMatchGame, 10000);
1495 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1496 DisplayError(buf, 0);
1497 appData.tourneyFile[0] = 0;
1501 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1502 DisplayFatalError(_("Can't have a match with no chess programs"),
1507 matchGame = roundNr = 1;
1508 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1512 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1515 InitBackEnd3 P((void))
1517 GameMode initialMode;
1521 InitChessProgram(&first, startedFromSetupPosition);
1523 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1524 free(programVersion);
1525 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1526 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1527 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1530 if (appData.icsActive) {
1532 /* [DM] Make a console window if needed [HGM] merged ifs */
1538 if (*appData.icsCommPort != NULLCHAR)
1539 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1540 appData.icsCommPort);
1542 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1543 appData.icsHost, appData.icsPort);
1545 if( (len >= MSG_SIZ) && appData.debugMode )
1546 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1548 DisplayFatalError(buf, err, 1);
1553 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1555 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1556 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1557 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1558 } else if (appData.noChessProgram) {
1564 if (*appData.cmailGameName != NULLCHAR) {
1566 OpenLoopback(&cmailPR);
1568 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1572 DisplayMessage("", "");
1573 if (StrCaseCmp(appData.initialMode, "") == 0) {
1574 initialMode = BeginningOfGame;
1575 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1576 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1577 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1578 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1581 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1582 initialMode = TwoMachinesPlay;
1583 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1584 initialMode = AnalyzeFile;
1585 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1586 initialMode = AnalyzeMode;
1587 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1588 initialMode = MachinePlaysWhite;
1589 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1590 initialMode = MachinePlaysBlack;
1591 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1592 initialMode = EditGame;
1593 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1594 initialMode = EditPosition;
1595 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1596 initialMode = Training;
1598 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1599 if( (len >= MSG_SIZ) && appData.debugMode )
1600 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1602 DisplayFatalError(buf, 0, 2);
1606 if (appData.matchMode) {
1607 if(appData.tourneyFile[0]) { // start tourney from command line
1609 if(f = fopen(appData.tourneyFile, "r")) {
1610 ParseArgsFromFile(f); // make sure tourney parmeters re known
1612 appData.clockMode = TRUE;
1614 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1617 } else if (*appData.cmailGameName != NULLCHAR) {
1618 /* Set up cmail mode */
1619 ReloadCmailMsgEvent(TRUE);
1621 /* Set up other modes */
1622 if (initialMode == AnalyzeFile) {
1623 if (*appData.loadGameFile == NULLCHAR) {
1624 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1628 if (*appData.loadGameFile != NULLCHAR) {
1629 (void) LoadGameFromFile(appData.loadGameFile,
1630 appData.loadGameIndex,
1631 appData.loadGameFile, TRUE);
1632 } else if (*appData.loadPositionFile != NULLCHAR) {
1633 (void) LoadPositionFromFile(appData.loadPositionFile,
1634 appData.loadPositionIndex,
1635 appData.loadPositionFile);
1636 /* [HGM] try to make self-starting even after FEN load */
1637 /* to allow automatic setup of fairy variants with wtm */
1638 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1639 gameMode = BeginningOfGame;
1640 setboardSpoiledMachineBlack = 1;
1642 /* [HGM] loadPos: make that every new game uses the setup */
1643 /* from file as long as we do not switch variant */
1644 if(!blackPlaysFirst) {
1645 startedFromPositionFile = TRUE;
1646 CopyBoard(filePosition, boards[0]);
1649 if (initialMode == AnalyzeMode) {
1650 if (appData.noChessProgram) {
1651 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1654 if (appData.icsActive) {
1655 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1659 } else if (initialMode == AnalyzeFile) {
1660 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1661 ShowThinkingEvent();
1663 AnalysisPeriodicEvent(1);
1664 } else if (initialMode == MachinePlaysWhite) {
1665 if (appData.noChessProgram) {
1666 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1670 if (appData.icsActive) {
1671 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1675 MachineWhiteEvent();
1676 } else if (initialMode == MachinePlaysBlack) {
1677 if (appData.noChessProgram) {
1678 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1682 if (appData.icsActive) {
1683 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1687 MachineBlackEvent();
1688 } else if (initialMode == TwoMachinesPlay) {
1689 if (appData.noChessProgram) {
1690 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1694 if (appData.icsActive) {
1695 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1700 } else if (initialMode == EditGame) {
1702 } else if (initialMode == EditPosition) {
1703 EditPositionEvent();
1704 } else if (initialMode == Training) {
1705 if (*appData.loadGameFile == NULLCHAR) {
1706 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1715 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1717 DisplayBook(current+1);
1719 MoveHistorySet( movelist, first, last, current, pvInfoList );
1721 EvalGraphSet( first, last, current, pvInfoList );
1723 MakeEngineOutputTitle();
1727 * Establish will establish a contact to a remote host.port.
1728 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1729 * used to talk to the host.
1730 * Returns 0 if okay, error code if not.
1737 if (*appData.icsCommPort != NULLCHAR) {
1738 /* Talk to the host through a serial comm port */
1739 return OpenCommPort(appData.icsCommPort, &icsPR);
1741 } else if (*appData.gateway != NULLCHAR) {
1742 if (*appData.remoteShell == NULLCHAR) {
1743 /* Use the rcmd protocol to run telnet program on a gateway host */
1744 snprintf(buf, sizeof(buf), "%s %s %s",
1745 appData.telnetProgram, appData.icsHost, appData.icsPort);
1746 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1749 /* Use the rsh program to run telnet program on a gateway host */
1750 if (*appData.remoteUser == NULLCHAR) {
1751 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1752 appData.gateway, appData.telnetProgram,
1753 appData.icsHost, appData.icsPort);
1755 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1756 appData.remoteShell, appData.gateway,
1757 appData.remoteUser, appData.telnetProgram,
1758 appData.icsHost, appData.icsPort);
1760 return StartChildProcess(buf, "", &icsPR);
1763 } else if (appData.useTelnet) {
1764 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1767 /* TCP socket interface differs somewhat between
1768 Unix and NT; handle details in the front end.
1770 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1775 EscapeExpand (char *p, char *q)
1776 { // [HGM] initstring: routine to shape up string arguments
1777 while(*p++ = *q++) if(p[-1] == '\\')
1779 case 'n': p[-1] = '\n'; break;
1780 case 'r': p[-1] = '\r'; break;
1781 case 't': p[-1] = '\t'; break;
1782 case '\\': p[-1] = '\\'; break;
1783 case 0: *p = 0; return;
1784 default: p[-1] = q[-1]; break;
1789 show_bytes (FILE *fp, char *buf, int count)
1792 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1793 fprintf(fp, "\\%03o", *buf & 0xff);
1802 /* Returns an errno value */
1804 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1806 char buf[8192], *p, *q, *buflim;
1807 int left, newcount, outcount;
1809 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1810 *appData.gateway != NULLCHAR) {
1811 if (appData.debugMode) {
1812 fprintf(debugFP, ">ICS: ");
1813 show_bytes(debugFP, message, count);
1814 fprintf(debugFP, "\n");
1816 return OutputToProcess(pr, message, count, outError);
1819 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1826 if (appData.debugMode) {
1827 fprintf(debugFP, ">ICS: ");
1828 show_bytes(debugFP, buf, newcount);
1829 fprintf(debugFP, "\n");
1831 outcount = OutputToProcess(pr, buf, newcount, outError);
1832 if (outcount < newcount) return -1; /* to be sure */
1839 } else if (((unsigned char) *p) == TN_IAC) {
1840 *q++ = (char) TN_IAC;
1847 if (appData.debugMode) {
1848 fprintf(debugFP, ">ICS: ");
1849 show_bytes(debugFP, buf, newcount);
1850 fprintf(debugFP, "\n");
1852 outcount = OutputToProcess(pr, buf, newcount, outError);
1853 if (outcount < newcount) return -1; /* to be sure */
1858 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1860 int outError, outCount;
1861 static int gotEof = 0;
1864 /* Pass data read from player on to ICS */
1867 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1868 if (outCount < count) {
1869 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1871 if(have_sent_ICS_logon == 2) {
1872 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1873 fprintf(ini, "%s", message);
1874 have_sent_ICS_logon = 3;
1876 have_sent_ICS_logon = 1;
1877 } else if(have_sent_ICS_logon == 3) {
1878 fprintf(ini, "%s", message);
1880 have_sent_ICS_logon = 1;
1882 } else if (count < 0) {
1883 RemoveInputSource(isr);
1884 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1885 } else if (gotEof++ > 0) {
1886 RemoveInputSource(isr);
1887 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1893 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1894 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1895 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1896 SendToICS("date\n");
1897 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1900 /* added routine for printf style output to ics */
1902 ics_printf (char *format, ...)
1904 char buffer[MSG_SIZ];
1907 va_start(args, format);
1908 vsnprintf(buffer, sizeof(buffer), format, args);
1909 buffer[sizeof(buffer)-1] = '\0';
1917 int count, outCount, outError;
1919 if (icsPR == NoProc) return;
1922 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1923 if (outCount < count) {
1924 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1928 /* This is used for sending logon scripts to the ICS. Sending
1929 without a delay causes problems when using timestamp on ICC
1930 (at least on my machine). */
1932 SendToICSDelayed (char *s, long msdelay)
1934 int count, outCount, outError;
1936 if (icsPR == NoProc) return;
1939 if (appData.debugMode) {
1940 fprintf(debugFP, ">ICS: ");
1941 show_bytes(debugFP, s, count);
1942 fprintf(debugFP, "\n");
1944 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1946 if (outCount < count) {
1947 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1952 /* Remove all highlighting escape sequences in s
1953 Also deletes any suffix starting with '('
1956 StripHighlightAndTitle (char *s)
1958 static char retbuf[MSG_SIZ];
1961 while (*s != NULLCHAR) {
1962 while (*s == '\033') {
1963 while (*s != NULLCHAR && !isalpha(*s)) s++;
1964 if (*s != NULLCHAR) s++;
1966 while (*s != NULLCHAR && *s != '\033') {
1967 if (*s == '(' || *s == '[') {
1978 /* Remove all highlighting escape sequences in s */
1980 StripHighlight (char *s)
1982 static char retbuf[MSG_SIZ];
1985 while (*s != NULLCHAR) {
1986 while (*s == '\033') {
1987 while (*s != NULLCHAR && !isalpha(*s)) s++;
1988 if (*s != NULLCHAR) s++;
1990 while (*s != NULLCHAR && *s != '\033') {
1998 char *variantNames[] = VARIANT_NAMES;
2000 VariantName (VariantClass v)
2002 return variantNames[v];
2006 /* Identify a variant from the strings the chess servers use or the
2007 PGN Variant tag names we use. */
2009 StringToVariant (char *e)
2013 VariantClass v = VariantNormal;
2014 int i, found = FALSE;
2020 /* [HGM] skip over optional board-size prefixes */
2021 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2022 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2023 while( *e++ != '_');
2026 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2030 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2031 if (StrCaseStr(e, variantNames[i])) {
2032 v = (VariantClass) i;
2039 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2040 || StrCaseStr(e, "wild/fr")
2041 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2042 v = VariantFischeRandom;
2043 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2044 (i = 1, p = StrCaseStr(e, "w"))) {
2046 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2053 case 0: /* FICS only, actually */
2055 /* Castling legal even if K starts on d-file */
2056 v = VariantWildCastle;
2061 /* Castling illegal even if K & R happen to start in
2062 normal positions. */
2063 v = VariantNoCastle;
2076 /* Castling legal iff K & R start in normal positions */
2082 /* Special wilds for position setup; unclear what to do here */
2083 v = VariantLoadable;
2086 /* Bizarre ICC game */
2087 v = VariantTwoKings;
2090 v = VariantKriegspiel;
2096 v = VariantFischeRandom;
2099 v = VariantCrazyhouse;
2102 v = VariantBughouse;
2108 /* Not quite the same as FICS suicide! */
2109 v = VariantGiveaway;
2115 v = VariantShatranj;
2118 /* Temporary names for future ICC types. The name *will* change in
2119 the next xboard/WinBoard release after ICC defines it. */
2157 v = VariantCapablanca;
2160 v = VariantKnightmate;
2166 v = VariantCylinder;
2172 v = VariantCapaRandom;
2175 v = VariantBerolina;
2187 /* Found "wild" or "w" in the string but no number;
2188 must assume it's normal chess. */
2192 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2193 if( (len >= MSG_SIZ) && appData.debugMode )
2194 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2196 DisplayError(buf, 0);
2202 if (appData.debugMode) {
2203 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2204 e, wnum, VariantName(v));
2209 static int leftover_start = 0, leftover_len = 0;
2210 char star_match[STAR_MATCH_N][MSG_SIZ];
2212 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2213 advance *index beyond it, and set leftover_start to the new value of
2214 *index; else return FALSE. If pattern contains the character '*', it
2215 matches any sequence of characters not containing '\r', '\n', or the
2216 character following the '*' (if any), and the matched sequence(s) are
2217 copied into star_match.
2220 looking_at ( char *buf, int *index, char *pattern)
2222 char *bufp = &buf[*index], *patternp = pattern;
2224 char *matchp = star_match[0];
2227 if (*patternp == NULLCHAR) {
2228 *index = leftover_start = bufp - buf;
2232 if (*bufp == NULLCHAR) return FALSE;
2233 if (*patternp == '*') {
2234 if (*bufp == *(patternp + 1)) {
2236 matchp = star_match[++star_count];
2240 } else if (*bufp == '\n' || *bufp == '\r') {
2242 if (*patternp == NULLCHAR)
2247 *matchp++ = *bufp++;
2251 if (*patternp != *bufp) return FALSE;
2258 SendToPlayer (char *data, int length)
2260 int error, outCount;
2261 outCount = OutputToProcess(NoProc, data, length, &error);
2262 if (outCount < length) {
2263 DisplayFatalError(_("Error writing to display"), error, 1);
2268 PackHolding (char packed[], char *holding)
2278 switch (runlength) {
2289 sprintf(q, "%d", runlength);
2301 /* Telnet protocol requests from the front end */
2303 TelnetRequest (unsigned char ddww, unsigned char option)
2305 unsigned char msg[3];
2306 int outCount, outError;
2308 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2310 if (appData.debugMode) {
2311 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2327 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2336 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2339 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2344 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2346 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2353 if (!appData.icsActive) return;
2354 TelnetRequest(TN_DO, TN_ECHO);
2360 if (!appData.icsActive) return;
2361 TelnetRequest(TN_DONT, TN_ECHO);
2365 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2367 /* put the holdings sent to us by the server on the board holdings area */
2368 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2372 if(gameInfo.holdingsWidth < 2) return;
2373 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2374 return; // prevent overwriting by pre-board holdings
2376 if( (int)lowestPiece >= BlackPawn ) {
2379 holdingsStartRow = BOARD_HEIGHT-1;
2382 holdingsColumn = BOARD_WIDTH-1;
2383 countsColumn = BOARD_WIDTH-2;
2384 holdingsStartRow = 0;
2388 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2389 board[i][holdingsColumn] = EmptySquare;
2390 board[i][countsColumn] = (ChessSquare) 0;
2392 while( (p=*holdings++) != NULLCHAR ) {
2393 piece = CharToPiece( ToUpper(p) );
2394 if(piece == EmptySquare) continue;
2395 /*j = (int) piece - (int) WhitePawn;*/
2396 j = PieceToNumber(piece);
2397 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2398 if(j < 0) continue; /* should not happen */
2399 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2400 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2401 board[holdingsStartRow+j*direction][countsColumn]++;
2407 VariantSwitch (Board board, VariantClass newVariant)
2409 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2410 static Board oldBoard;
2412 startedFromPositionFile = FALSE;
2413 if(gameInfo.variant == newVariant) return;
2415 /* [HGM] This routine is called each time an assignment is made to
2416 * gameInfo.variant during a game, to make sure the board sizes
2417 * are set to match the new variant. If that means adding or deleting
2418 * holdings, we shift the playing board accordingly
2419 * This kludge is needed because in ICS observe mode, we get boards
2420 * of an ongoing game without knowing the variant, and learn about the
2421 * latter only later. This can be because of the move list we requested,
2422 * in which case the game history is refilled from the beginning anyway,
2423 * but also when receiving holdings of a crazyhouse game. In the latter
2424 * case we want to add those holdings to the already received position.
2428 if (appData.debugMode) {
2429 fprintf(debugFP, "Switch board from %s to %s\n",
2430 VariantName(gameInfo.variant), VariantName(newVariant));
2431 setbuf(debugFP, NULL);
2433 shuffleOpenings = 0; /* [HGM] shuffle */
2434 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2438 newWidth = 9; newHeight = 9;
2439 gameInfo.holdingsSize = 7;
2440 case VariantBughouse:
2441 case VariantCrazyhouse:
2442 newHoldingsWidth = 2; break;
2446 newHoldingsWidth = 2;
2447 gameInfo.holdingsSize = 8;
2450 case VariantCapablanca:
2451 case VariantCapaRandom:
2454 newHoldingsWidth = gameInfo.holdingsSize = 0;
2457 if(newWidth != gameInfo.boardWidth ||
2458 newHeight != gameInfo.boardHeight ||
2459 newHoldingsWidth != gameInfo.holdingsWidth ) {
2461 /* shift position to new playing area, if needed */
2462 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2463 for(i=0; i<BOARD_HEIGHT; i++)
2464 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2465 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2467 for(i=0; i<newHeight; i++) {
2468 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2469 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2471 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2472 for(i=0; i<BOARD_HEIGHT; i++)
2473 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2474 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2477 board[HOLDINGS_SET] = 0;
2478 gameInfo.boardWidth = newWidth;
2479 gameInfo.boardHeight = newHeight;
2480 gameInfo.holdingsWidth = newHoldingsWidth;
2481 gameInfo.variant = newVariant;
2482 InitDrawingSizes(-2, 0);
2483 } else gameInfo.variant = newVariant;
2484 CopyBoard(oldBoard, board); // remember correctly formatted board
2485 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2486 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2489 static int loggedOn = FALSE;
2491 /*-- Game start info cache: --*/
2493 char gs_kind[MSG_SIZ];
2494 static char player1Name[128] = "";
2495 static char player2Name[128] = "";
2496 static char cont_seq[] = "\n\\ ";
2497 static int player1Rating = -1;
2498 static int player2Rating = -1;
2499 /*----------------------------*/
2501 ColorClass curColor = ColorNormal;
2502 int suppressKibitz = 0;
2505 Boolean soughtPending = FALSE;
2506 Boolean seekGraphUp;
2507 #define MAX_SEEK_ADS 200
2509 char *seekAdList[MAX_SEEK_ADS];
2510 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2511 float tcList[MAX_SEEK_ADS];
2512 char colorList[MAX_SEEK_ADS];
2513 int nrOfSeekAds = 0;
2514 int minRating = 1010, maxRating = 2800;
2515 int hMargin = 10, vMargin = 20, h, w;
2516 extern int squareSize, lineGap;
2521 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2522 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2523 if(r < minRating+100 && r >=0 ) r = minRating+100;
2524 if(r > maxRating) r = maxRating;
2525 if(tc < 1.f) tc = 1.f;
2526 if(tc > 95.f) tc = 95.f;
2527 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2528 y = ((double)r - minRating)/(maxRating - minRating)
2529 * (h-vMargin-squareSize/8-1) + vMargin;
2530 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2531 if(strstr(seekAdList[i], " u ")) color = 1;
2532 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2533 !strstr(seekAdList[i], "bullet") &&
2534 !strstr(seekAdList[i], "blitz") &&
2535 !strstr(seekAdList[i], "standard") ) color = 2;
2536 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2537 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2541 PlotSingleSeekAd (int i)
2547 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2549 char buf[MSG_SIZ], *ext = "";
2550 VariantClass v = StringToVariant(type);
2551 if(strstr(type, "wild")) {
2552 ext = type + 4; // append wild number
2553 if(v == VariantFischeRandom) type = "chess960"; else
2554 if(v == VariantLoadable) type = "setup"; else
2555 type = VariantName(v);
2557 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2558 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2559 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2560 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2561 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2562 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2563 seekNrList[nrOfSeekAds] = nr;
2564 zList[nrOfSeekAds] = 0;
2565 seekAdList[nrOfSeekAds++] = StrSave(buf);
2566 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2571 EraseSeekDot (int i)
2573 int x = xList[i], y = yList[i], d=squareSize/4, k;
2574 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2575 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2576 // now replot every dot that overlapped
2577 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2578 int xx = xList[k], yy = yList[k];
2579 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2580 DrawSeekDot(xx, yy, colorList[k]);
2585 RemoveSeekAd (int nr)
2588 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2590 if(seekAdList[i]) free(seekAdList[i]);
2591 seekAdList[i] = seekAdList[--nrOfSeekAds];
2592 seekNrList[i] = seekNrList[nrOfSeekAds];
2593 ratingList[i] = ratingList[nrOfSeekAds];
2594 colorList[i] = colorList[nrOfSeekAds];
2595 tcList[i] = tcList[nrOfSeekAds];
2596 xList[i] = xList[nrOfSeekAds];
2597 yList[i] = yList[nrOfSeekAds];
2598 zList[i] = zList[nrOfSeekAds];
2599 seekAdList[nrOfSeekAds] = NULL;
2605 MatchSoughtLine (char *line)
2607 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2608 int nr, base, inc, u=0; char dummy;
2610 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2611 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2613 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2614 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2615 // match: compact and save the line
2616 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2626 if(!seekGraphUp) return FALSE;
2627 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2628 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2630 DrawSeekBackground(0, 0, w, h);
2631 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2632 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2633 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2634 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2636 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2639 snprintf(buf, MSG_SIZ, "%d", i);
2640 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2643 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2644 for(i=1; i<100; i+=(i<10?1:5)) {
2645 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2646 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2647 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2649 snprintf(buf, MSG_SIZ, "%d", i);
2650 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2653 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2658 SeekGraphClick (ClickType click, int x, int y, int moving)
2660 static int lastDown = 0, displayed = 0, lastSecond;
2661 if(y < 0) return FALSE;
2662 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2663 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2664 if(!seekGraphUp) return FALSE;
2665 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2666 DrawPosition(TRUE, NULL);
2669 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2670 if(click == Release || moving) return FALSE;
2672 soughtPending = TRUE;
2673 SendToICS(ics_prefix);
2674 SendToICS("sought\n"); // should this be "sought all"?
2675 } else { // issue challenge based on clicked ad
2676 int dist = 10000; int i, closest = 0, second = 0;
2677 for(i=0; i<nrOfSeekAds; i++) {
2678 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2679 if(d < dist) { dist = d; closest = i; }
2680 second += (d - zList[i] < 120); // count in-range ads
2681 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2685 second = (second > 1);
2686 if(displayed != closest || second != lastSecond) {
2687 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2688 lastSecond = second; displayed = closest;
2690 if(click == Press) {
2691 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2694 } // on press 'hit', only show info
2695 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2696 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2697 SendToICS(ics_prefix);
2699 return TRUE; // let incoming board of started game pop down the graph
2700 } else if(click == Release) { // release 'miss' is ignored
2701 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2702 if(moving == 2) { // right up-click
2703 nrOfSeekAds = 0; // refresh graph
2704 soughtPending = TRUE;
2705 SendToICS(ics_prefix);
2706 SendToICS("sought\n"); // should this be "sought all"?
2709 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2710 // press miss or release hit 'pop down' seek graph
2711 seekGraphUp = FALSE;
2712 DrawPosition(TRUE, NULL);
2718 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2720 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2721 #define STARTED_NONE 0
2722 #define STARTED_MOVES 1
2723 #define STARTED_BOARD 2
2724 #define STARTED_OBSERVE 3
2725 #define STARTED_HOLDINGS 4
2726 #define STARTED_CHATTER 5
2727 #define STARTED_COMMENT 6
2728 #define STARTED_MOVES_NOHIDE 7
2730 static int started = STARTED_NONE;
2731 static char parse[20000];
2732 static int parse_pos = 0;
2733 static char buf[BUF_SIZE + 1];
2734 static int firstTime = TRUE, intfSet = FALSE;
2735 static ColorClass prevColor = ColorNormal;
2736 static int savingComment = FALSE;
2737 static int cmatch = 0; // continuation sequence match
2744 int backup; /* [DM] For zippy color lines */
2746 char talker[MSG_SIZ]; // [HGM] chat
2749 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2751 if (appData.debugMode) {
2753 fprintf(debugFP, "<ICS: ");
2754 show_bytes(debugFP, data, count);
2755 fprintf(debugFP, "\n");
2759 if (appData.debugMode) { int f = forwardMostMove;
2760 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2761 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2762 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2765 /* If last read ended with a partial line that we couldn't parse,
2766 prepend it to the new read and try again. */
2767 if (leftover_len > 0) {
2768 for (i=0; i<leftover_len; i++)
2769 buf[i] = buf[leftover_start + i];
2772 /* copy new characters into the buffer */
2773 bp = buf + leftover_len;
2774 buf_len=leftover_len;
2775 for (i=0; i<count; i++)
2778 if (data[i] == '\r')
2781 // join lines split by ICS?
2782 if (!appData.noJoin)
2785 Joining just consists of finding matches against the
2786 continuation sequence, and discarding that sequence
2787 if found instead of copying it. So, until a match
2788 fails, there's nothing to do since it might be the
2789 complete sequence, and thus, something we don't want
2792 if (data[i] == cont_seq[cmatch])
2795 if (cmatch == strlen(cont_seq))
2797 cmatch = 0; // complete match. just reset the counter
2800 it's possible for the ICS to not include the space
2801 at the end of the last word, making our [correct]
2802 join operation fuse two separate words. the server
2803 does this when the space occurs at the width setting.
2805 if (!buf_len || buf[buf_len-1] != ' ')
2816 match failed, so we have to copy what matched before
2817 falling through and copying this character. In reality,
2818 this will only ever be just the newline character, but
2819 it doesn't hurt to be precise.
2821 strncpy(bp, cont_seq, cmatch);
2833 buf[buf_len] = NULLCHAR;
2834 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2839 while (i < buf_len) {
2840 /* Deal with part of the TELNET option negotiation
2841 protocol. We refuse to do anything beyond the
2842 defaults, except that we allow the WILL ECHO option,
2843 which ICS uses to turn off password echoing when we are
2844 directly connected to it. We reject this option
2845 if localLineEditing mode is on (always on in xboard)
2846 and we are talking to port 23, which might be a real
2847 telnet server that will try to keep WILL ECHO on permanently.
2849 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2850 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2851 unsigned char option;
2853 switch ((unsigned char) buf[++i]) {
2855 if (appData.debugMode)
2856 fprintf(debugFP, "\n<WILL ");
2857 switch (option = (unsigned char) buf[++i]) {
2859 if (appData.debugMode)
2860 fprintf(debugFP, "ECHO ");
2861 /* Reply only if this is a change, according
2862 to the protocol rules. */
2863 if (remoteEchoOption) break;
2864 if (appData.localLineEditing &&
2865 atoi(appData.icsPort) == TN_PORT) {
2866 TelnetRequest(TN_DONT, TN_ECHO);
2869 TelnetRequest(TN_DO, TN_ECHO);
2870 remoteEchoOption = TRUE;
2874 if (appData.debugMode)
2875 fprintf(debugFP, "%d ", option);
2876 /* Whatever this is, we don't want it. */
2877 TelnetRequest(TN_DONT, option);
2882 if (appData.debugMode)
2883 fprintf(debugFP, "\n<WONT ");
2884 switch (option = (unsigned char) buf[++i]) {
2886 if (appData.debugMode)
2887 fprintf(debugFP, "ECHO ");
2888 /* Reply only if this is a change, according
2889 to the protocol rules. */
2890 if (!remoteEchoOption) break;
2892 TelnetRequest(TN_DONT, TN_ECHO);
2893 remoteEchoOption = FALSE;
2896 if (appData.debugMode)
2897 fprintf(debugFP, "%d ", (unsigned char) option);
2898 /* Whatever this is, it must already be turned
2899 off, because we never agree to turn on
2900 anything non-default, so according to the
2901 protocol rules, we don't reply. */
2906 if (appData.debugMode)
2907 fprintf(debugFP, "\n<DO ");
2908 switch (option = (unsigned char) buf[++i]) {
2910 /* Whatever this is, we refuse to do it. */
2911 if (appData.debugMode)
2912 fprintf(debugFP, "%d ", option);
2913 TelnetRequest(TN_WONT, option);
2918 if (appData.debugMode)
2919 fprintf(debugFP, "\n<DONT ");
2920 switch (option = (unsigned char) buf[++i]) {
2922 if (appData.debugMode)
2923 fprintf(debugFP, "%d ", option);
2924 /* Whatever this is, we are already not doing
2925 it, because we never agree to do anything
2926 non-default, so according to the protocol
2927 rules, we don't reply. */
2932 if (appData.debugMode)
2933 fprintf(debugFP, "\n<IAC ");
2934 /* Doubled IAC; pass it through */
2938 if (appData.debugMode)
2939 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2940 /* Drop all other telnet commands on the floor */
2943 if (oldi > next_out)
2944 SendToPlayer(&buf[next_out], oldi - next_out);
2950 /* OK, this at least will *usually* work */
2951 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2955 if (loggedOn && !intfSet) {
2956 if (ics_type == ICS_ICC) {
2957 snprintf(str, MSG_SIZ,
2958 "/set-quietly interface %s\n/set-quietly style 12\n",
2960 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2961 strcat(str, "/set-2 51 1\n/set seek 1\n");
2962 } else if (ics_type == ICS_CHESSNET) {
2963 snprintf(str, MSG_SIZ, "/style 12\n");
2965 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2966 strcat(str, programVersion);
2967 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2968 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2969 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2971 strcat(str, "$iset nohighlight 1\n");
2973 strcat(str, "$iset lock 1\n$style 12\n");
2976 NotifyFrontendLogin();
2980 if (started == STARTED_COMMENT) {
2981 /* Accumulate characters in comment */
2982 parse[parse_pos++] = buf[i];
2983 if (buf[i] == '\n') {
2984 parse[parse_pos] = NULLCHAR;
2985 if(chattingPartner>=0) {
2987 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2988 OutputChatMessage(chattingPartner, mess);
2989 chattingPartner = -1;
2990 next_out = i+1; // [HGM] suppress printing in ICS window
2992 if(!suppressKibitz) // [HGM] kibitz
2993 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2994 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2995 int nrDigit = 0, nrAlph = 0, j;
2996 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2997 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2998 parse[parse_pos] = NULLCHAR;
2999 // try to be smart: if it does not look like search info, it should go to
3000 // ICS interaction window after all, not to engine-output window.
3001 for(j=0; j<parse_pos; j++) { // count letters and digits
3002 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3003 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3004 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3006 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3007 int depth=0; float score;
3008 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3009 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3010 pvInfoList[forwardMostMove-1].depth = depth;
3011 pvInfoList[forwardMostMove-1].score = 100*score;
3013 OutputKibitz(suppressKibitz, parse);
3016 if(gameMode == IcsObserving) // restore original ICS messages
3017 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3019 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3020 SendToPlayer(tmp, strlen(tmp));
3022 next_out = i+1; // [HGM] suppress printing in ICS window
3024 started = STARTED_NONE;
3026 /* Don't match patterns against characters in comment */
3031 if (started == STARTED_CHATTER) {
3032 if (buf[i] != '\n') {
3033 /* Don't match patterns against characters in chatter */
3037 started = STARTED_NONE;
3038 if(suppressKibitz) next_out = i+1;
3041 /* Kludge to deal with rcmd protocol */
3042 if (firstTime && looking_at(buf, &i, "\001*")) {
3043 DisplayFatalError(&buf[1], 0, 1);
3049 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3052 if (appData.debugMode)
3053 fprintf(debugFP, "ics_type %d\n", ics_type);
3056 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3057 ics_type = ICS_FICS;
3059 if (appData.debugMode)
3060 fprintf(debugFP, "ics_type %d\n", ics_type);
3063 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3064 ics_type = ICS_CHESSNET;
3066 if (appData.debugMode)
3067 fprintf(debugFP, "ics_type %d\n", ics_type);
3072 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3073 looking_at(buf, &i, "Logging you in as \"*\"") ||
3074 looking_at(buf, &i, "will be \"*\""))) {
3075 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3079 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3081 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3082 DisplayIcsInteractionTitle(buf);
3083 have_set_title = TRUE;
3086 /* skip finger notes */
3087 if (started == STARTED_NONE &&
3088 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3089 (buf[i] == '1' && buf[i+1] == '0')) &&
3090 buf[i+2] == ':' && buf[i+3] == ' ') {
3091 started = STARTED_CHATTER;
3097 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3098 if(appData.seekGraph) {
3099 if(soughtPending && MatchSoughtLine(buf+i)) {
3100 i = strstr(buf+i, "rated") - buf;
3101 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3102 next_out = leftover_start = i;
3103 started = STARTED_CHATTER;
3104 suppressKibitz = TRUE;
3107 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3108 && looking_at(buf, &i, "* ads displayed")) {
3109 soughtPending = FALSE;
3114 if(appData.autoRefresh) {
3115 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3116 int s = (ics_type == ICS_ICC); // ICC format differs
3118 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3119 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3120 looking_at(buf, &i, "*% "); // eat prompt
3121 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3123 next_out = i; // suppress
3126 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3127 char *p = star_match[0];
3129 if(seekGraphUp) RemoveSeekAd(atoi(p));
3130 while(*p && *p++ != ' '); // next
3132 looking_at(buf, &i, "*% "); // eat prompt
3133 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3140 /* skip formula vars */
3141 if (started == STARTED_NONE &&
3142 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3143 started = STARTED_CHATTER;
3148 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3149 if (appData.autoKibitz && started == STARTED_NONE &&
3150 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3151 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3152 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3153 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3154 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3155 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3156 suppressKibitz = TRUE;
3157 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3159 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3160 && (gameMode == IcsPlayingWhite)) ||
3161 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3162 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3163 started = STARTED_CHATTER; // own kibitz we simply discard
3165 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3166 parse_pos = 0; parse[0] = NULLCHAR;
3167 savingComment = TRUE;
3168 suppressKibitz = gameMode != IcsObserving ? 2 :
3169 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3173 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3174 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3175 && atoi(star_match[0])) {
3176 // suppress the acknowledgements of our own autoKibitz
3178 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3179 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3180 SendToPlayer(star_match[0], strlen(star_match[0]));
3181 if(looking_at(buf, &i, "*% ")) // eat prompt
3182 suppressKibitz = FALSE;
3186 } // [HGM] kibitz: end of patch
3188 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3190 // [HGM] chat: intercept tells by users for which we have an open chat window
3192 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3193 looking_at(buf, &i, "* whispers:") ||
3194 looking_at(buf, &i, "* kibitzes:") ||
3195 looking_at(buf, &i, "* shouts:") ||
3196 looking_at(buf, &i, "* c-shouts:") ||
3197 looking_at(buf, &i, "--> * ") ||
3198 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3199 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3200 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3201 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3203 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3204 chattingPartner = -1;
3206 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3207 for(p=0; p<MAX_CHAT; p++) {
3208 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3209 talker[0] = '['; strcat(talker, "] ");
3210 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3211 chattingPartner = p; break;
3214 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3215 for(p=0; p<MAX_CHAT; p++) {
3216 if(!strcmp("kibitzes", chatPartner[p])) {
3217 talker[0] = '['; strcat(talker, "] ");
3218 chattingPartner = p; break;
3221 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3222 for(p=0; p<MAX_CHAT; p++) {
3223 if(!strcmp("whispers", chatPartner[p])) {
3224 talker[0] = '['; strcat(talker, "] ");
3225 chattingPartner = p; break;
3228 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3229 if(buf[i-8] == '-' && buf[i-3] == 't')
3230 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3231 if(!strcmp("c-shouts", chatPartner[p])) {
3232 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3233 chattingPartner = p; break;
3236 if(chattingPartner < 0)
3237 for(p=0; p<MAX_CHAT; p++) {
3238 if(!strcmp("shouts", chatPartner[p])) {
3239 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3240 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3241 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3242 chattingPartner = p; break;
3246 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3247 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3248 talker[0] = 0; Colorize(ColorTell, FALSE);
3249 chattingPartner = p; break;
3251 if(chattingPartner<0) i = oldi; else {
3252 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3253 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3254 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3255 started = STARTED_COMMENT;
3256 parse_pos = 0; parse[0] = NULLCHAR;
3257 savingComment = 3 + chattingPartner; // counts as TRUE
3258 suppressKibitz = TRUE;
3261 } // [HGM] chat: end of patch
3264 if (appData.zippyTalk || appData.zippyPlay) {
3265 /* [DM] Backup address for color zippy lines */
3267 if (loggedOn == TRUE)
3268 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3269 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3271 } // [DM] 'else { ' deleted
3273 /* Regular tells and says */
3274 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3275 looking_at(buf, &i, "* (your partner) tells you: ") ||
3276 looking_at(buf, &i, "* says: ") ||
3277 /* Don't color "message" or "messages" output */
3278 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3279 looking_at(buf, &i, "*. * at *:*: ") ||
3280 looking_at(buf, &i, "--* (*:*): ") ||
3281 /* Message notifications (same color as tells) */
3282 looking_at(buf, &i, "* has left a message ") ||
3283 looking_at(buf, &i, "* just sent you a message:\n") ||
3284 /* Whispers and kibitzes */
3285 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3286 looking_at(buf, &i, "* kibitzes: ") ||
3288 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3290 if (tkind == 1 && strchr(star_match[0], ':')) {
3291 /* Avoid "tells you:" spoofs in channels */
3294 if (star_match[0][0] == NULLCHAR ||
3295 strchr(star_match[0], ' ') ||
3296 (tkind == 3 && strchr(star_match[1], ' '))) {
3297 /* Reject bogus matches */
3300 if (appData.colorize) {
3301 if (oldi > next_out) {
3302 SendToPlayer(&buf[next_out], oldi - next_out);
3307 Colorize(ColorTell, FALSE);
3308 curColor = ColorTell;
3311 Colorize(ColorKibitz, FALSE);
3312 curColor = ColorKibitz;
3315 p = strrchr(star_match[1], '(');
3322 Colorize(ColorChannel1, FALSE);
3323 curColor = ColorChannel1;
3325 Colorize(ColorChannel, FALSE);
3326 curColor = ColorChannel;
3330 curColor = ColorNormal;
3334 if (started == STARTED_NONE && appData.autoComment &&
3335 (gameMode == IcsObserving ||
3336 gameMode == IcsPlayingWhite ||
3337 gameMode == IcsPlayingBlack)) {
3338 parse_pos = i - oldi;
3339 memcpy(parse, &buf[oldi], parse_pos);
3340 parse[parse_pos] = NULLCHAR;
3341 started = STARTED_COMMENT;
3342 savingComment = TRUE;
3344 started = STARTED_CHATTER;
3345 savingComment = FALSE;
3352 if (looking_at(buf, &i, "* s-shouts: ") ||
3353 looking_at(buf, &i, "* c-shouts: ")) {
3354 if (appData.colorize) {
3355 if (oldi > next_out) {
3356 SendToPlayer(&buf[next_out], oldi - next_out);
3359 Colorize(ColorSShout, FALSE);
3360 curColor = ColorSShout;
3363 started = STARTED_CHATTER;
3367 if (looking_at(buf, &i, "--->")) {
3372 if (looking_at(buf, &i, "* shouts: ") ||
3373 looking_at(buf, &i, "--> ")) {
3374 if (appData.colorize) {
3375 if (oldi > next_out) {
3376 SendToPlayer(&buf[next_out], oldi - next_out);
3379 Colorize(ColorShout, FALSE);
3380 curColor = ColorShout;
3383 started = STARTED_CHATTER;
3387 if (looking_at( buf, &i, "Challenge:")) {
3388 if (appData.colorize) {
3389 if (oldi > next_out) {
3390 SendToPlayer(&buf[next_out], oldi - next_out);
3393 Colorize(ColorChallenge, FALSE);
3394 curColor = ColorChallenge;
3400 if (looking_at(buf, &i, "* offers you") ||
3401 looking_at(buf, &i, "* offers to be") ||
3402 looking_at(buf, &i, "* would like to") ||
3403 looking_at(buf, &i, "* requests to") ||
3404 looking_at(buf, &i, "Your opponent offers") ||
3405 looking_at(buf, &i, "Your opponent requests")) {
3407 if (appData.colorize) {
3408 if (oldi > next_out) {
3409 SendToPlayer(&buf[next_out], oldi - next_out);
3412 Colorize(ColorRequest, FALSE);
3413 curColor = ColorRequest;
3418 if (looking_at(buf, &i, "* (*) seeking")) {
3419 if (appData.colorize) {
3420 if (oldi > next_out) {
3421 SendToPlayer(&buf[next_out], oldi - next_out);
3424 Colorize(ColorSeek, FALSE);
3425 curColor = ColorSeek;
3430 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3432 if (looking_at(buf, &i, "\\ ")) {
3433 if (prevColor != ColorNormal) {
3434 if (oldi > next_out) {
3435 SendToPlayer(&buf[next_out], oldi - next_out);
3438 Colorize(prevColor, TRUE);
3439 curColor = prevColor;
3441 if (savingComment) {
3442 parse_pos = i - oldi;
3443 memcpy(parse, &buf[oldi], parse_pos);
3444 parse[parse_pos] = NULLCHAR;
3445 started = STARTED_COMMENT;
3446 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3447 chattingPartner = savingComment - 3; // kludge to remember the box
3449 started = STARTED_CHATTER;
3454 if (looking_at(buf, &i, "Black Strength :") ||
3455 looking_at(buf, &i, "<<< style 10 board >>>") ||
3456 looking_at(buf, &i, "<10>") ||
3457 looking_at(buf, &i, "#@#")) {
3458 /* Wrong board style */
3460 SendToICS(ics_prefix);
3461 SendToICS("set style 12\n");
3462 SendToICS(ics_prefix);
3463 SendToICS("refresh\n");
3467 if (looking_at(buf, &i, "login:")) {
3468 if (!have_sent_ICS_logon) {
3470 have_sent_ICS_logon = 1;
3471 else // no init script was found
3472 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3473 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3474 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3479 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3480 (looking_at(buf, &i, "\n<12> ") ||
3481 looking_at(buf, &i, "<12> "))) {
3483 if (oldi > next_out) {
3484 SendToPlayer(&buf[next_out], oldi - next_out);
3487 started = STARTED_BOARD;
3492 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3493 looking_at(buf, &i, "<b1> ")) {
3494 if (oldi > next_out) {
3495 SendToPlayer(&buf[next_out], oldi - next_out);
3498 started = STARTED_HOLDINGS;
3503 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3505 /* Header for a move list -- first line */
3507 switch (ics_getting_history) {
3511 case BeginningOfGame:
3512 /* User typed "moves" or "oldmoves" while we
3513 were idle. Pretend we asked for these
3514 moves and soak them up so user can step
3515 through them and/or save them.
3518 gameMode = IcsObserving;
3521 ics_getting_history = H_GOT_UNREQ_HEADER;
3523 case EditGame: /*?*/
3524 case EditPosition: /*?*/
3525 /* Should above feature work in these modes too? */
3526 /* For now it doesn't */
3527 ics_getting_history = H_GOT_UNWANTED_HEADER;
3530 ics_getting_history = H_GOT_UNWANTED_HEADER;
3535 /* Is this the right one? */
3536 if (gameInfo.white && gameInfo.black &&
3537 strcmp(gameInfo.white, star_match[0]) == 0 &&
3538 strcmp(gameInfo.black, star_match[2]) == 0) {
3540 ics_getting_history = H_GOT_REQ_HEADER;
3543 case H_GOT_REQ_HEADER:
3544 case H_GOT_UNREQ_HEADER:
3545 case H_GOT_UNWANTED_HEADER:
3546 case H_GETTING_MOVES:
3547 /* Should not happen */
3548 DisplayError(_("Error gathering move list: two headers"), 0);
3549 ics_getting_history = H_FALSE;
3553 /* Save player ratings into gameInfo if needed */
3554 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3555 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3556 (gameInfo.whiteRating == -1 ||
3557 gameInfo.blackRating == -1)) {
3559 gameInfo.whiteRating = string_to_rating(star_match[1]);
3560 gameInfo.blackRating = string_to_rating(star_match[3]);
3561 if (appData.debugMode)
3562 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3563 gameInfo.whiteRating, gameInfo.blackRating);
3568 if (looking_at(buf, &i,
3569 "* * match, initial time: * minute*, increment: * second")) {
3570 /* Header for a move list -- second line */
3571 /* Initial board will follow if this is a wild game */
3572 if (gameInfo.event != NULL) free(gameInfo.event);
3573 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3574 gameInfo.event = StrSave(str);
3575 /* [HGM] we switched variant. Translate boards if needed. */
3576 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3580 if (looking_at(buf, &i, "Move ")) {
3581 /* Beginning of a move list */
3582 switch (ics_getting_history) {
3584 /* Normally should not happen */
3585 /* Maybe user hit reset while we were parsing */
3588 /* Happens if we are ignoring a move list that is not
3589 * the one we just requested. Common if the user
3590 * tries to observe two games without turning off
3593 case H_GETTING_MOVES:
3594 /* Should not happen */
3595 DisplayError(_("Error gathering move list: nested"), 0);
3596 ics_getting_history = H_FALSE;
3598 case H_GOT_REQ_HEADER:
3599 ics_getting_history = H_GETTING_MOVES;
3600 started = STARTED_MOVES;
3602 if (oldi > next_out) {
3603 SendToPlayer(&buf[next_out], oldi - next_out);
3606 case H_GOT_UNREQ_HEADER:
3607 ics_getting_history = H_GETTING_MOVES;
3608 started = STARTED_MOVES_NOHIDE;
3611 case H_GOT_UNWANTED_HEADER:
3612 ics_getting_history = H_FALSE;
3618 if (looking_at(buf, &i, "% ") ||
3619 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3620 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3621 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3622 soughtPending = FALSE;
3626 if(suppressKibitz) next_out = i;
3627 savingComment = FALSE;
3631 case STARTED_MOVES_NOHIDE:
3632 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3633 parse[parse_pos + i - oldi] = NULLCHAR;
3634 ParseGameHistory(parse);
3636 if (appData.zippyPlay && first.initDone) {
3637 FeedMovesToProgram(&first, forwardMostMove);
3638 if (gameMode == IcsPlayingWhite) {
3639 if (WhiteOnMove(forwardMostMove)) {
3640 if (first.sendTime) {
3641 if (first.useColors) {
3642 SendToProgram("black\n", &first);
3644 SendTimeRemaining(&first, TRUE);
3646 if (first.useColors) {
3647 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3649 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3650 first.maybeThinking = TRUE;
3652 if (first.usePlayother) {
3653 if (first.sendTime) {
3654 SendTimeRemaining(&first, TRUE);
3656 SendToProgram("playother\n", &first);
3662 } else if (gameMode == IcsPlayingBlack) {
3663 if (!WhiteOnMove(forwardMostMove)) {
3664 if (first.sendTime) {
3665 if (first.useColors) {
3666 SendToProgram("white\n", &first);
3668 SendTimeRemaining(&first, FALSE);
3670 if (first.useColors) {
3671 SendToProgram("black\n", &first);
3673 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3674 first.maybeThinking = TRUE;
3676 if (first.usePlayother) {
3677 if (first.sendTime) {
3678 SendTimeRemaining(&first, FALSE);
3680 SendToProgram("playother\n", &first);
3689 if (gameMode == IcsObserving && ics_gamenum == -1) {
3690 /* Moves came from oldmoves or moves command
3691 while we weren't doing anything else.
3693 currentMove = forwardMostMove;
3694 ClearHighlights();/*!!could figure this out*/
3695 flipView = appData.flipView;
3696 DrawPosition(TRUE, boards[currentMove]);
3697 DisplayBothClocks();
3698 snprintf(str, MSG_SIZ, "%s %s %s",
3699 gameInfo.white, _("vs."), gameInfo.black);
3703 /* Moves were history of an active game */
3704 if (gameInfo.resultDetails != NULL) {
3705 free(gameInfo.resultDetails);
3706 gameInfo.resultDetails = NULL;
3709 HistorySet(parseList, backwardMostMove,
3710 forwardMostMove, currentMove-1);
3711 DisplayMove(currentMove - 1);
3712 if (started == STARTED_MOVES) next_out = i;
3713 started = STARTED_NONE;
3714 ics_getting_history = H_FALSE;
3717 case STARTED_OBSERVE:
3718 started = STARTED_NONE;
3719 SendToICS(ics_prefix);
3720 SendToICS("refresh\n");
3726 if(bookHit) { // [HGM] book: simulate book reply
3727 static char bookMove[MSG_SIZ]; // a bit generous?
3729 programStats.nodes = programStats.depth = programStats.time =
3730 programStats.score = programStats.got_only_move = 0;
3731 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3733 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3734 strcat(bookMove, bookHit);
3735 HandleMachineMove(bookMove, &first);
3740 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3741 started == STARTED_HOLDINGS ||
3742 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3743 /* Accumulate characters in move list or board */
3744 parse[parse_pos++] = buf[i];
3747 /* Start of game messages. Mostly we detect start of game
3748 when the first board image arrives. On some versions
3749 of the ICS, though, we need to do a "refresh" after starting
3750 to observe in order to get the current board right away. */
3751 if (looking_at(buf, &i, "Adding game * to observation list")) {
3752 started = STARTED_OBSERVE;
3756 /* Handle auto-observe */
3757 if (appData.autoObserve &&
3758 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3759 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3761 /* Choose the player that was highlighted, if any. */
3762 if (star_match[0][0] == '\033' ||
3763 star_match[1][0] != '\033') {
3764 player = star_match[0];
3766 player = star_match[2];
3768 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3769 ics_prefix, StripHighlightAndTitle(player));
3772 /* Save ratings from notify string */
3773 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3774 player1Rating = string_to_rating(star_match[1]);
3775 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3776 player2Rating = string_to_rating(star_match[3]);
3778 if (appData.debugMode)
3780 "Ratings from 'Game notification:' %s %d, %s %d\n",
3781 player1Name, player1Rating,
3782 player2Name, player2Rating);
3787 /* Deal with automatic examine mode after a game,
3788 and with IcsObserving -> IcsExamining transition */
3789 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3790 looking_at(buf, &i, "has made you an examiner of game *")) {
3792 int gamenum = atoi(star_match[0]);
3793 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3794 gamenum == ics_gamenum) {
3795 /* We were already playing or observing this game;
3796 no need to refetch history */
3797 gameMode = IcsExamining;
3799 pauseExamForwardMostMove = forwardMostMove;
3800 } else if (currentMove < forwardMostMove) {
3801 ForwardInner(forwardMostMove);
3804 /* I don't think this case really can happen */
3805 SendToICS(ics_prefix);
3806 SendToICS("refresh\n");
3811 /* Error messages */
3812 // if (ics_user_moved) {
3813 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3814 if (looking_at(buf, &i, "Illegal move") ||
3815 looking_at(buf, &i, "Not a legal move") ||
3816 looking_at(buf, &i, "Your king is in check") ||
3817 looking_at(buf, &i, "It isn't your turn") ||
3818 looking_at(buf, &i, "It is not your move")) {
3820 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3821 currentMove = forwardMostMove-1;
3822 DisplayMove(currentMove - 1); /* before DMError */
3823 DrawPosition(FALSE, boards[currentMove]);
3824 SwitchClocks(forwardMostMove-1); // [HGM] race
3825 DisplayBothClocks();
3827 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3833 if (looking_at(buf, &i, "still have time") ||
3834 looking_at(buf, &i, "not out of time") ||
3835 looking_at(buf, &i, "either player is out of time") ||
3836 looking_at(buf, &i, "has timeseal; checking")) {
3837 /* We must have called his flag a little too soon */
3838 whiteFlag = blackFlag = FALSE;
3842 if (looking_at(buf, &i, "added * seconds to") ||
3843 looking_at(buf, &i, "seconds were added to")) {
3844 /* Update the clocks */
3845 SendToICS(ics_prefix);
3846 SendToICS("refresh\n");
3850 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3851 ics_clock_paused = TRUE;
3856 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3857 ics_clock_paused = FALSE;
3862 /* Grab player ratings from the Creating: message.
3863 Note we have to check for the special case when
3864 the ICS inserts things like [white] or [black]. */
3865 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3866 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3868 0 player 1 name (not necessarily white)
3870 2 empty, white, or black (IGNORED)
3871 3 player 2 name (not necessarily black)
3874 The names/ratings are sorted out when the game
3875 actually starts (below).
3877 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3878 player1Rating = string_to_rating(star_match[1]);
3879 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3880 player2Rating = string_to_rating(star_match[4]);
3882 if (appData.debugMode)
3884 "Ratings from 'Creating:' %s %d, %s %d\n",
3885 player1Name, player1Rating,
3886 player2Name, player2Rating);
3891 /* Improved generic start/end-of-game messages */
3892 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3893 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3894 /* If tkind == 0: */
3895 /* star_match[0] is the game number */
3896 /* [1] is the white player's name */
3897 /* [2] is the black player's name */
3898 /* For end-of-game: */
3899 /* [3] is the reason for the game end */
3900 /* [4] is a PGN end game-token, preceded by " " */
3901 /* For start-of-game: */
3902 /* [3] begins with "Creating" or "Continuing" */
3903 /* [4] is " *" or empty (don't care). */
3904 int gamenum = atoi(star_match[0]);
3905 char *whitename, *blackname, *why, *endtoken;
3906 ChessMove endtype = EndOfFile;
3909 whitename = star_match[1];
3910 blackname = star_match[2];
3911 why = star_match[3];
3912 endtoken = star_match[4];
3914 whitename = star_match[1];
3915 blackname = star_match[3];
3916 why = star_match[5];
3917 endtoken = star_match[6];
3920 /* Game start messages */
3921 if (strncmp(why, "Creating ", 9) == 0 ||
3922 strncmp(why, "Continuing ", 11) == 0) {
3923 gs_gamenum = gamenum;
3924 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3925 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3926 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3928 if (appData.zippyPlay) {
3929 ZippyGameStart(whitename, blackname);
3932 partnerBoardValid = FALSE; // [HGM] bughouse
3936 /* Game end messages */
3937 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3938 ics_gamenum != gamenum) {
3941 while (endtoken[0] == ' ') endtoken++;
3942 switch (endtoken[0]) {
3945 endtype = GameUnfinished;
3948 endtype = BlackWins;
3951 if (endtoken[1] == '/')
3952 endtype = GameIsDrawn;
3954 endtype = WhiteWins;
3957 GameEnds(endtype, why, GE_ICS);
3959 if (appData.zippyPlay && first.initDone) {
3960 ZippyGameEnd(endtype, why);
3961 if (first.pr == NoProc) {
3962 /* Start the next process early so that we'll
3963 be ready for the next challenge */
3964 StartChessProgram(&first);
3966 /* Send "new" early, in case this command takes
3967 a long time to finish, so that we'll be ready
3968 for the next challenge. */
3969 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3973 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3977 if (looking_at(buf, &i, "Removing game * from observation") ||
3978 looking_at(buf, &i, "no longer observing game *") ||
3979 looking_at(buf, &i, "Game * (*) has no examiners")) {
3980 if (gameMode == IcsObserving &&
3981 atoi(star_match[0]) == ics_gamenum)
3983 /* icsEngineAnalyze */
3984 if (appData.icsEngineAnalyze) {
3991 ics_user_moved = FALSE;
3996 if (looking_at(buf, &i, "no longer examining game *")) {
3997 if (gameMode == IcsExamining &&
3998 atoi(star_match[0]) == ics_gamenum)
4002 ics_user_moved = FALSE;
4007 /* Advance leftover_start past any newlines we find,
4008 so only partial lines can get reparsed */
4009 if (looking_at(buf, &i, "\n")) {
4010 prevColor = curColor;
4011 if (curColor != ColorNormal) {
4012 if (oldi > next_out) {
4013 SendToPlayer(&buf[next_out], oldi - next_out);
4016 Colorize(ColorNormal, FALSE);
4017 curColor = ColorNormal;
4019 if (started == STARTED_BOARD) {
4020 started = STARTED_NONE;
4021 parse[parse_pos] = NULLCHAR;
4022 ParseBoard12(parse);
4025 /* Send premove here */
4026 if (appData.premove) {
4028 if (currentMove == 0 &&
4029 gameMode == IcsPlayingWhite &&
4030 appData.premoveWhite) {
4031 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4032 if (appData.debugMode)
4033 fprintf(debugFP, "Sending premove:\n");
4035 } else if (currentMove == 1 &&
4036 gameMode == IcsPlayingBlack &&
4037 appData.premoveBlack) {
4038 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4039 if (appData.debugMode)
4040 fprintf(debugFP, "Sending premove:\n");
4042 } else if (gotPremove) {
4044 ClearPremoveHighlights();
4045 if (appData.debugMode)
4046 fprintf(debugFP, "Sending premove:\n");
4047 UserMoveEvent(premoveFromX, premoveFromY,
4048 premoveToX, premoveToY,
4053 /* Usually suppress following prompt */
4054 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4055 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4056 if (looking_at(buf, &i, "*% ")) {
4057 savingComment = FALSE;
4062 } else if (started == STARTED_HOLDINGS) {
4064 char new_piece[MSG_SIZ];
4065 started = STARTED_NONE;
4066 parse[parse_pos] = NULLCHAR;
4067 if (appData.debugMode)
4068 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4069 parse, currentMove);
4070 if (sscanf(parse, " game %d", &gamenum) == 1) {
4071 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4072 if (gameInfo.variant == VariantNormal) {
4073 /* [HGM] We seem to switch variant during a game!
4074 * Presumably no holdings were displayed, so we have
4075 * to move the position two files to the right to
4076 * create room for them!
4078 VariantClass newVariant;
4079 switch(gameInfo.boardWidth) { // base guess on board width
4080 case 9: newVariant = VariantShogi; break;
4081 case 10: newVariant = VariantGreat; break;
4082 default: newVariant = VariantCrazyhouse; break;
4084 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4085 /* Get a move list just to see the header, which
4086 will tell us whether this is really bug or zh */
4087 if (ics_getting_history == H_FALSE) {
4088 ics_getting_history = H_REQUESTED;
4089 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4093 new_piece[0] = NULLCHAR;
4094 sscanf(parse, "game %d white [%s black [%s <- %s",
4095 &gamenum, white_holding, black_holding,
4097 white_holding[strlen(white_holding)-1] = NULLCHAR;
4098 black_holding[strlen(black_holding)-1] = NULLCHAR;
4099 /* [HGM] copy holdings to board holdings area */
4100 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4101 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4102 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4104 if (appData.zippyPlay && first.initDone) {
4105 ZippyHoldings(white_holding, black_holding,
4109 if (tinyLayout || smallLayout) {
4110 char wh[16], bh[16];
4111 PackHolding(wh, white_holding);
4112 PackHolding(bh, black_holding);
4113 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4114 gameInfo.white, gameInfo.black);
4116 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4117 gameInfo.white, white_holding, _("vs."),
4118 gameInfo.black, black_holding);
4120 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4121 DrawPosition(FALSE, boards[currentMove]);
4123 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4124 sscanf(parse, "game %d white [%s black [%s <- %s",
4125 &gamenum, white_holding, black_holding,
4127 white_holding[strlen(white_holding)-1] = NULLCHAR;
4128 black_holding[strlen(black_holding)-1] = NULLCHAR;
4129 /* [HGM] copy holdings to partner-board holdings area */
4130 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4131 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4132 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4133 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4134 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4137 /* Suppress following prompt */
4138 if (looking_at(buf, &i, "*% ")) {
4139 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4140 savingComment = FALSE;
4148 i++; /* skip unparsed character and loop back */
4151 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4152 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4153 // SendToPlayer(&buf[next_out], i - next_out);
4154 started != STARTED_HOLDINGS && leftover_start > next_out) {
4155 SendToPlayer(&buf[next_out], leftover_start - next_out);
4159 leftover_len = buf_len - leftover_start;
4160 /* if buffer ends with something we couldn't parse,
4161 reparse it after appending the next read */
4163 } else if (count == 0) {
4164 RemoveInputSource(isr);
4165 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4167 DisplayFatalError(_("Error reading from ICS"), error, 1);
4172 /* Board style 12 looks like this:
4174 <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
4176 * The "<12> " is stripped before it gets to this routine. The two
4177 * trailing 0's (flip state and clock ticking) are later addition, and
4178 * some chess servers may not have them, or may have only the first.
4179 * Additional trailing fields may be added in the future.
4182 #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"
4184 #define RELATION_OBSERVING_PLAYED 0
4185 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4186 #define RELATION_PLAYING_MYMOVE 1
4187 #define RELATION_PLAYING_NOTMYMOVE -1
4188 #define RELATION_EXAMINING 2
4189 #define RELATION_ISOLATED_BOARD -3
4190 #define RELATION_STARTING_POSITION -4 /* FICS only */
4193 ParseBoard12 (char *string)
4197 char *bookHit = NULL; // [HGM] book
4199 GameMode newGameMode;
4200 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4201 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4202 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4203 char to_play, board_chars[200];
4204 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4205 char black[32], white[32];
4207 int prevMove = currentMove;
4210 int fromX, fromY, toX, toY;
4212 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4213 Boolean weird = FALSE, reqFlag = FALSE;
4215 fromX = fromY = toX = toY = -1;
4219 if (appData.debugMode)
4220 fprintf(debugFP, "Parsing board: %s\n", string);
4222 move_str[0] = NULLCHAR;
4223 elapsed_time[0] = NULLCHAR;
4224 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4226 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4227 if(string[i] == ' ') { ranks++; files = 0; }
4229 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4232 for(j = 0; j <i; j++) board_chars[j] = string[j];
4233 board_chars[i] = '\0';
4236 n = sscanf(string, PATTERN, &to_play, &double_push,
4237 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4238 &gamenum, white, black, &relation, &basetime, &increment,
4239 &white_stren, &black_stren, &white_time, &black_time,
4240 &moveNum, str, elapsed_time, move_str, &ics_flip,
4244 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4245 DisplayError(str, 0);
4249 /* Convert the move number to internal form */
4250 moveNum = (moveNum - 1) * 2;
4251 if (to_play == 'B') moveNum++;
4252 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4253 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4259 case RELATION_OBSERVING_PLAYED:
4260 case RELATION_OBSERVING_STATIC:
4261 if (gamenum == -1) {
4262 /* Old ICC buglet */
4263 relation = RELATION_OBSERVING_STATIC;
4265 newGameMode = IcsObserving;
4267 case RELATION_PLAYING_MYMOVE:
4268 case RELATION_PLAYING_NOTMYMOVE:
4270 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4271 IcsPlayingWhite : IcsPlayingBlack;
4272 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4274 case RELATION_EXAMINING:
4275 newGameMode = IcsExamining;
4277 case RELATION_ISOLATED_BOARD:
4279 /* Just display this board. If user was doing something else,
4280 we will forget about it until the next board comes. */
4281 newGameMode = IcsIdle;
4283 case RELATION_STARTING_POSITION:
4284 newGameMode = gameMode;
4288 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4289 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4290 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4291 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4292 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4293 static int lastBgGame = -1;
4295 for (k = 0; k < ranks; k++) {
4296 for (j = 0; j < files; j++)
4297 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4298 if(gameInfo.holdingsWidth > 1) {
4299 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4300 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4303 CopyBoard(partnerBoard, board);
4304 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4305 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4306 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4307 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4308 if(toSqr = strchr(str, '-')) {
4309 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4310 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4311 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4312 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4313 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4314 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4316 DisplayWhiteClock(white_time*fac, to_play == 'W');
4317 DisplayBlackClock(black_time*fac, to_play != 'W');
4318 activePartner = to_play;
4319 if(gamenum != lastBgGame) {
4321 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4324 lastBgGame = gamenum;
4325 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4326 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4327 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4328 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4329 if(!twoBoards) DisplayMessage(partnerStatus, "");
4330 partnerBoardValid = TRUE;
4334 if(appData.dualBoard && appData.bgObserve) {
4335 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4336 SendToICS(ics_prefix), SendToICS("pobserve\n");
4337 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4339 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4344 /* Modify behavior for initial board display on move listing
4347 switch (ics_getting_history) {
4351 case H_GOT_REQ_HEADER:
4352 case H_GOT_UNREQ_HEADER:
4353 /* This is the initial position of the current game */
4354 gamenum = ics_gamenum;
4355 moveNum = 0; /* old ICS bug workaround */
4356 if (to_play == 'B') {
4357 startedFromSetupPosition = TRUE;
4358 blackPlaysFirst = TRUE;
4360 if (forwardMostMove == 0) forwardMostMove = 1;
4361 if (backwardMostMove == 0) backwardMostMove = 1;
4362 if (currentMove == 0) currentMove = 1;
4364 newGameMode = gameMode;
4365 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4367 case H_GOT_UNWANTED_HEADER:
4368 /* This is an initial board that we don't want */
4370 case H_GETTING_MOVES:
4371 /* Should not happen */
4372 DisplayError(_("Error gathering move list: extra board"), 0);
4373 ics_getting_history = H_FALSE;
4377 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4378 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4379 weird && (int)gameInfo.variant < (int)VariantShogi) {
4380 /* [HGM] We seem to have switched variant unexpectedly
4381 * Try to guess new variant from board size
4383 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4384 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4385 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4386 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4387 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4388 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4389 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4390 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4391 /* Get a move list just to see the header, which
4392 will tell us whether this is really bug or zh */
4393 if (ics_getting_history == H_FALSE) {
4394 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4395 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4400 /* Take action if this is the first board of a new game, or of a
4401 different game than is currently being displayed. */
4402 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4403 relation == RELATION_ISOLATED_BOARD) {
4405 /* Forget the old game and get the history (if any) of the new one */
4406 if (gameMode != BeginningOfGame) {
4410 if (appData.autoRaiseBoard) BoardToTop();
4412 if (gamenum == -1) {
4413 newGameMode = IcsIdle;
4414 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4415 appData.getMoveList && !reqFlag) {
4416 /* Need to get game history */
4417 ics_getting_history = H_REQUESTED;
4418 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4422 /* Initially flip the board to have black on the bottom if playing
4423 black or if the ICS flip flag is set, but let the user change
4424 it with the Flip View button. */
4425 flipView = appData.autoFlipView ?
4426 (newGameMode == IcsPlayingBlack) || ics_flip :
4429 /* Done with values from previous mode; copy in new ones */
4430 gameMode = newGameMode;
4432 ics_gamenum = gamenum;
4433 if (gamenum == gs_gamenum) {
4434 int klen = strlen(gs_kind);
4435 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4436 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4437 gameInfo.event = StrSave(str);
4439 gameInfo.event = StrSave("ICS game");
4441 gameInfo.site = StrSave(appData.icsHost);
4442 gameInfo.date = PGNDate();
4443 gameInfo.round = StrSave("-");
4444 gameInfo.white = StrSave(white);
4445 gameInfo.black = StrSave(black);
4446 timeControl = basetime * 60 * 1000;
4448 timeIncrement = increment * 1000;
4449 movesPerSession = 0;
4450 gameInfo.timeControl = TimeControlTagValue();
4451 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4452 if (appData.debugMode) {
4453 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4454 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4455 setbuf(debugFP, NULL);
4458 gameInfo.outOfBook = NULL;
4460 /* Do we have the ratings? */
4461 if (strcmp(player1Name, white) == 0 &&
4462 strcmp(player2Name, black) == 0) {
4463 if (appData.debugMode)
4464 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4465 player1Rating, player2Rating);
4466 gameInfo.whiteRating = player1Rating;
4467 gameInfo.blackRating = player2Rating;
4468 } else if (strcmp(player2Name, white) == 0 &&
4469 strcmp(player1Name, black) == 0) {
4470 if (appData.debugMode)
4471 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4472 player2Rating, player1Rating);
4473 gameInfo.whiteRating = player2Rating;
4474 gameInfo.blackRating = player1Rating;
4476 player1Name[0] = player2Name[0] = NULLCHAR;
4478 /* Silence shouts if requested */
4479 if (appData.quietPlay &&
4480 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4481 SendToICS(ics_prefix);
4482 SendToICS("set shout 0\n");
4486 /* Deal with midgame name changes */
4488 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4489 if (gameInfo.white) free(gameInfo.white);
4490 gameInfo.white = StrSave(white);
4492 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4493 if (gameInfo.black) free(gameInfo.black);
4494 gameInfo.black = StrSave(black);
4498 /* Throw away game result if anything actually changes in examine mode */
4499 if (gameMode == IcsExamining && !newGame) {
4500 gameInfo.result = GameUnfinished;
4501 if (gameInfo.resultDetails != NULL) {
4502 free(gameInfo.resultDetails);
4503 gameInfo.resultDetails = NULL;
4507 /* In pausing && IcsExamining mode, we ignore boards coming
4508 in if they are in a different variation than we are. */
4509 if (pauseExamInvalid) return;
4510 if (pausing && gameMode == IcsExamining) {
4511 if (moveNum <= pauseExamForwardMostMove) {
4512 pauseExamInvalid = TRUE;
4513 forwardMostMove = pauseExamForwardMostMove;
4518 if (appData.debugMode) {
4519 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4521 /* Parse the board */
4522 for (k = 0; k < ranks; k++) {
4523 for (j = 0; j < files; j++)
4524 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4525 if(gameInfo.holdingsWidth > 1) {
4526 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4527 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4530 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4531 board[5][BOARD_RGHT+1] = WhiteAngel;
4532 board[6][BOARD_RGHT+1] = WhiteMarshall;
4533 board[1][0] = BlackMarshall;
4534 board[2][0] = BlackAngel;
4535 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4537 CopyBoard(boards[moveNum], board);
4538 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4540 startedFromSetupPosition =
4541 !CompareBoards(board, initialPosition);
4542 if(startedFromSetupPosition)
4543 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4546 /* [HGM] Set castling rights. Take the outermost Rooks,
4547 to make it also work for FRC opening positions. Note that board12
4548 is really defective for later FRC positions, as it has no way to
4549 indicate which Rook can castle if they are on the same side of King.
4550 For the initial position we grant rights to the outermost Rooks,
4551 and remember thos rights, and we then copy them on positions
4552 later in an FRC game. This means WB might not recognize castlings with
4553 Rooks that have moved back to their original position as illegal,
4554 but in ICS mode that is not its job anyway.
4556 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4557 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4559 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4560 if(board[0][i] == WhiteRook) j = i;
4561 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4562 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4563 if(board[0][i] == WhiteRook) j = i;
4564 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4565 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4566 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4567 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4568 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4569 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4570 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4572 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4573 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4574 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4575 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4576 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4577 if(board[BOARD_HEIGHT-1][k] == bKing)
4578 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4579 if(gameInfo.variant == VariantTwoKings) {
4580 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4581 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4582 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4585 r = boards[moveNum][CASTLING][0] = initialRights[0];
4586 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4587 r = boards[moveNum][CASTLING][1] = initialRights[1];
4588 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4589 r = boards[moveNum][CASTLING][3] = initialRights[3];
4590 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4591 r = boards[moveNum][CASTLING][4] = initialRights[4];
4592 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4593 /* wildcastle kludge: always assume King has rights */
4594 r = boards[moveNum][CASTLING][2] = initialRights[2];
4595 r = boards[moveNum][CASTLING][5] = initialRights[5];
4597 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4598 boards[moveNum][EP_STATUS] = EP_NONE;
4599 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4600 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4601 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4604 if (ics_getting_history == H_GOT_REQ_HEADER ||
4605 ics_getting_history == H_GOT_UNREQ_HEADER) {
4606 /* This was an initial position from a move list, not
4607 the current position */
4611 /* Update currentMove and known move number limits */
4612 newMove = newGame || moveNum > forwardMostMove;
4615 forwardMostMove = backwardMostMove = currentMove = moveNum;
4616 if (gameMode == IcsExamining && moveNum == 0) {
4617 /* Workaround for ICS limitation: we are not told the wild
4618 type when starting to examine a game. But if we ask for
4619 the move list, the move list header will tell us */
4620 ics_getting_history = H_REQUESTED;
4621 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4624 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4625 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4627 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4628 /* [HGM] applied this also to an engine that is silently watching */
4629 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4630 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4631 gameInfo.variant == currentlyInitializedVariant) {
4632 takeback = forwardMostMove - moveNum;
4633 for (i = 0; i < takeback; i++) {
4634 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4635 SendToProgram("undo\n", &first);
4640 forwardMostMove = moveNum;
4641 if (!pausing || currentMove > forwardMostMove)
4642 currentMove = forwardMostMove;
4644 /* New part of history that is not contiguous with old part */
4645 if (pausing && gameMode == IcsExamining) {
4646 pauseExamInvalid = TRUE;
4647 forwardMostMove = pauseExamForwardMostMove;
4650 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4652 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4653 // [HGM] when we will receive the move list we now request, it will be
4654 // fed to the engine from the first move on. So if the engine is not
4655 // in the initial position now, bring it there.
4656 InitChessProgram(&first, 0);
4659 ics_getting_history = H_REQUESTED;
4660 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4663 forwardMostMove = backwardMostMove = currentMove = moveNum;
4666 /* Update the clocks */
4667 if (strchr(elapsed_time, '.')) {
4669 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4670 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4672 /* Time is in seconds */
4673 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4674 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4679 if (appData.zippyPlay && newGame &&
4680 gameMode != IcsObserving && gameMode != IcsIdle &&
4681 gameMode != IcsExamining)
4682 ZippyFirstBoard(moveNum, basetime, increment);
4685 /* Put the move on the move list, first converting
4686 to canonical algebraic form. */
4688 if (appData.debugMode) {
4689 int f = forwardMostMove;
4690 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4691 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4692 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4693 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4694 fprintf(debugFP, "moveNum = %d\n", moveNum);
4695 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4696 setbuf(debugFP, NULL);
4698 if (moveNum <= backwardMostMove) {
4699 /* We don't know what the board looked like before
4701 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4702 strcat(parseList[moveNum - 1], " ");
4703 strcat(parseList[moveNum - 1], elapsed_time);
4704 moveList[moveNum - 1][0] = NULLCHAR;
4705 } else if (strcmp(move_str, "none") == 0) {
4706 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4707 /* Again, we don't know what the board looked like;
4708 this is really the start of the game. */
4709 parseList[moveNum - 1][0] = NULLCHAR;
4710 moveList[moveNum - 1][0] = NULLCHAR;
4711 backwardMostMove = moveNum;
4712 startedFromSetupPosition = TRUE;
4713 fromX = fromY = toX = toY = -1;
4715 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4716 // So we parse the long-algebraic move string in stead of the SAN move
4717 int valid; char buf[MSG_SIZ], *prom;
4719 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4720 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4721 // str looks something like "Q/a1-a2"; kill the slash
4723 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4724 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4725 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4726 strcat(buf, prom); // long move lacks promo specification!
4727 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4728 if(appData.debugMode)
4729 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4730 safeStrCpy(move_str, buf, MSG_SIZ);
4732 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4733 &fromX, &fromY, &toX, &toY, &promoChar)
4734 || ParseOneMove(buf, moveNum - 1, &moveType,
4735 &fromX, &fromY, &toX, &toY, &promoChar);
4736 // end of long SAN patch
4738 (void) CoordsToAlgebraic(boards[moveNum - 1],
4739 PosFlags(moveNum - 1),
4740 fromY, fromX, toY, toX, promoChar,
4741 parseList[moveNum-1]);
4742 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4748 if(gameInfo.variant != VariantShogi)
4749 strcat(parseList[moveNum - 1], "+");
4752 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4753 strcat(parseList[moveNum - 1], "#");
4756 strcat(parseList[moveNum - 1], " ");
4757 strcat(parseList[moveNum - 1], elapsed_time);
4758 /* currentMoveString is set as a side-effect of ParseOneMove */
4759 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4760 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4761 strcat(moveList[moveNum - 1], "\n");
4763 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4764 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4765 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4766 ChessSquare old, new = boards[moveNum][k][j];
4767 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4768 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4769 if(old == new) continue;
4770 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4771 else if(new == WhiteWazir || new == BlackWazir) {
4772 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4773 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4774 else boards[moveNum][k][j] = old; // preserve type of Gold
4775 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4776 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4779 /* Move from ICS was illegal!? Punt. */
4780 if (appData.debugMode) {
4781 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4782 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4784 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4785 strcat(parseList[moveNum - 1], " ");
4786 strcat(parseList[moveNum - 1], elapsed_time);
4787 moveList[moveNum - 1][0] = NULLCHAR;
4788 fromX = fromY = toX = toY = -1;
4791 if (appData.debugMode) {
4792 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4793 setbuf(debugFP, NULL);
4797 /* Send move to chess program (BEFORE animating it). */
4798 if (appData.zippyPlay && !newGame && newMove &&
4799 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4801 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4802 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4803 if (moveList[moveNum - 1][0] == NULLCHAR) {
4804 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4806 DisplayError(str, 0);
4808 if (first.sendTime) {
4809 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4811 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4812 if (firstMove && !bookHit) {
4814 if (first.useColors) {
4815 SendToProgram(gameMode == IcsPlayingWhite ?
4817 "black\ngo\n", &first);
4819 SendToProgram("go\n", &first);
4821 first.maybeThinking = TRUE;
4824 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4825 if (moveList[moveNum - 1][0] == NULLCHAR) {
4826 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4827 DisplayError(str, 0);
4829 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4830 SendMoveToProgram(moveNum - 1, &first);
4837 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4838 /* If move comes from a remote source, animate it. If it
4839 isn't remote, it will have already been animated. */
4840 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4841 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4843 if (!pausing && appData.highlightLastMove) {
4844 SetHighlights(fromX, fromY, toX, toY);
4848 /* Start the clocks */
4849 whiteFlag = blackFlag = FALSE;
4850 appData.clockMode = !(basetime == 0 && increment == 0);
4852 ics_clock_paused = TRUE;
4854 } else if (ticking == 1) {
4855 ics_clock_paused = FALSE;
4857 if (gameMode == IcsIdle ||
4858 relation == RELATION_OBSERVING_STATIC ||
4859 relation == RELATION_EXAMINING ||
4861 DisplayBothClocks();
4865 /* Display opponents and material strengths */
4866 if (gameInfo.variant != VariantBughouse &&
4867 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4868 if (tinyLayout || smallLayout) {
4869 if(gameInfo.variant == VariantNormal)
4870 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4871 gameInfo.white, white_stren, gameInfo.black, black_stren,
4872 basetime, increment);
4874 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4875 gameInfo.white, white_stren, gameInfo.black, black_stren,
4876 basetime, increment, (int) gameInfo.variant);
4878 if(gameInfo.variant == VariantNormal)
4879 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4880 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4881 basetime, increment);
4883 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4884 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4885 basetime, increment, VariantName(gameInfo.variant));
4888 if (appData.debugMode) {
4889 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4894 /* Display the board */
4895 if (!pausing && !appData.noGUI) {
4897 if (appData.premove)
4899 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4900 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4901 ClearPremoveHighlights();
4903 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4904 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4905 DrawPosition(j, boards[currentMove]);
4907 DisplayMove(moveNum - 1);
4908 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4909 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4910 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4911 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4915 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4917 if(bookHit) { // [HGM] book: simulate book reply
4918 static char bookMove[MSG_SIZ]; // a bit generous?
4920 programStats.nodes = programStats.depth = programStats.time =
4921 programStats.score = programStats.got_only_move = 0;
4922 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4924 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4925 strcat(bookMove, bookHit);
4926 HandleMachineMove(bookMove, &first);
4935 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4936 ics_getting_history = H_REQUESTED;
4937 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4943 SendToBoth (char *msg)
4944 { // to make it easy to keep two engines in step in dual analysis
4945 SendToProgram(msg, &first);
4946 if(second.analyzing) SendToProgram(msg, &second);
4950 AnalysisPeriodicEvent (int force)
4952 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4953 && !force) || !appData.periodicUpdates)
4956 /* Send . command to Crafty to collect stats */
4959 /* Don't send another until we get a response (this makes
4960 us stop sending to old Crafty's which don't understand
4961 the "." command (sending illegal cmds resets node count & time,
4962 which looks bad)) */
4963 programStats.ok_to_send = 0;
4967 ics_update_width (int new_width)
4969 ics_printf("set width %d\n", new_width);
4973 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4977 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4978 // null move in variant where engine does not understand it (for analysis purposes)
4979 SendBoard(cps, moveNum + 1); // send position after move in stead.
4982 if (cps->useUsermove) {
4983 SendToProgram("usermove ", cps);
4987 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4988 int len = space - parseList[moveNum];
4989 memcpy(buf, parseList[moveNum], len);
4991 buf[len] = NULLCHAR;
4993 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4995 SendToProgram(buf, cps);
4997 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4998 AlphaRank(moveList[moveNum], 4);
4999 SendToProgram(moveList[moveNum], cps);
5000 AlphaRank(moveList[moveNum], 4); // and back
5002 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5003 * the engine. It would be nice to have a better way to identify castle
5005 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5006 && cps->useOOCastle) {
5007 int fromX = moveList[moveNum][0] - AAA;
5008 int fromY = moveList[moveNum][1] - ONE;
5009 int toX = moveList[moveNum][2] - AAA;
5010 int toY = moveList[moveNum][3] - ONE;
5011 if((boards[moveNum][fromY][fromX] == WhiteKing
5012 && boards[moveNum][toY][toX] == WhiteRook)
5013 || (boards[moveNum][fromY][fromX] == BlackKing
5014 && boards[moveNum][toY][toX] == BlackRook)) {
5015 if(toX > fromX) SendToProgram("O-O\n", cps);
5016 else SendToProgram("O-O-O\n", cps);
5018 else SendToProgram(moveList[moveNum], cps);
5020 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5021 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5022 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5023 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5024 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5026 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5027 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5028 SendToProgram(buf, cps);
5030 else SendToProgram(moveList[moveNum], cps);
5031 /* End of additions by Tord */
5034 /* [HGM] setting up the opening has brought engine in force mode! */
5035 /* Send 'go' if we are in a mode where machine should play. */
5036 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5037 (gameMode == TwoMachinesPlay ||
5039 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5041 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5042 SendToProgram("go\n", cps);
5043 if (appData.debugMode) {
5044 fprintf(debugFP, "(extra)\n");
5047 setboardSpoiledMachineBlack = 0;
5051 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5053 char user_move[MSG_SIZ];
5056 if(gameInfo.variant == VariantSChess && promoChar) {
5057 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5058 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5059 } else suffix[0] = NULLCHAR;
5063 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5064 (int)moveType, fromX, fromY, toX, toY);
5065 DisplayError(user_move + strlen("say "), 0);
5067 case WhiteKingSideCastle:
5068 case BlackKingSideCastle:
5069 case WhiteQueenSideCastleWild:
5070 case BlackQueenSideCastleWild:
5072 case WhiteHSideCastleFR:
5073 case BlackHSideCastleFR:
5075 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5077 case WhiteQueenSideCastle:
5078 case BlackQueenSideCastle:
5079 case WhiteKingSideCastleWild:
5080 case BlackKingSideCastleWild:
5082 case WhiteASideCastleFR:
5083 case BlackASideCastleFR:
5085 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5087 case WhiteNonPromotion:
5088 case BlackNonPromotion:
5089 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5091 case WhitePromotion:
5092 case BlackPromotion:
5093 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5094 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5095 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5096 PieceToChar(WhiteFerz));
5097 else if(gameInfo.variant == VariantGreat)
5098 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5099 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5100 PieceToChar(WhiteMan));
5102 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5103 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5109 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5110 ToUpper(PieceToChar((ChessSquare) fromX)),
5111 AAA + toX, ONE + toY);
5113 case IllegalMove: /* could be a variant we don't quite understand */
5114 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5116 case WhiteCapturesEnPassant:
5117 case BlackCapturesEnPassant:
5118 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5119 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5122 SendToICS(user_move);
5123 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5124 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5129 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5130 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5131 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5132 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5133 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5136 if(gameMode != IcsExamining) { // is this ever not the case?
5137 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5139 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5140 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5141 } else { // on FICS we must first go to general examine mode
5142 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5144 if(gameInfo.variant != VariantNormal) {
5145 // try figure out wild number, as xboard names are not always valid on ICS
5146 for(i=1; i<=36; i++) {
5147 snprintf(buf, MSG_SIZ, "wild/%d", i);
5148 if(StringToVariant(buf) == gameInfo.variant) break;
5150 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5151 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5152 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5153 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5154 SendToICS(ics_prefix);
5156 if(startedFromSetupPosition || backwardMostMove != 0) {
5157 fen = PositionToFEN(backwardMostMove, NULL);
5158 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5159 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5161 } else { // FICS: everything has to set by separate bsetup commands
5162 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5163 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5165 if(!WhiteOnMove(backwardMostMove)) {
5166 SendToICS("bsetup tomove black\n");
5168 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5169 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5171 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5172 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5174 i = boards[backwardMostMove][EP_STATUS];
5175 if(i >= 0) { // set e.p.
5176 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5182 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5183 SendToICS("bsetup done\n"); // switch to normal examining.
5185 for(i = backwardMostMove; i<last; i++) {
5187 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5188 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5189 int len = strlen(moveList[i]);
5190 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5191 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5195 SendToICS(ics_prefix);
5196 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5200 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5202 if (rf == DROP_RANK) {
5203 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5204 sprintf(move, "%c@%c%c\n",
5205 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5207 if (promoChar == 'x' || promoChar == NULLCHAR) {
5208 sprintf(move, "%c%c%c%c\n",
5209 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5211 sprintf(move, "%c%c%c%c%c\n",
5212 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5218 ProcessICSInitScript (FILE *f)
5222 while (fgets(buf, MSG_SIZ, f)) {
5223 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5230 static int lastX, lastY, selectFlag, dragging;
5235 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5236 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5237 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5238 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5239 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5240 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5243 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5244 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5245 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5246 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5247 if(!step) step = -1;
5248 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5249 appData.testLegality && (promoSweep == king ||
5250 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5252 int victim = boards[currentMove][toY][toX];
5253 boards[currentMove][toY][toX] = promoSweep;
5254 DrawPosition(FALSE, boards[currentMove]);
5255 boards[currentMove][toY][toX] = victim;
5257 ChangeDragPiece(promoSweep);
5261 PromoScroll (int x, int y)
5265 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5266 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5267 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5268 if(!step) return FALSE;
5269 lastX = x; lastY = y;
5270 if((promoSweep < BlackPawn) == flipView) step = -step;
5271 if(step > 0) selectFlag = 1;
5272 if(!selectFlag) Sweep(step);
5277 NextPiece (int step)
5279 ChessSquare piece = boards[currentMove][toY][toX];
5282 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5283 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5284 if(!step) step = -1;
5285 } while(PieceToChar(pieceSweep) == '.');
5286 boards[currentMove][toY][toX] = pieceSweep;
5287 DrawPosition(FALSE, boards[currentMove]);
5288 boards[currentMove][toY][toX] = piece;
5290 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5292 AlphaRank (char *move, int n)
5294 // char *p = move, c; int x, y;
5296 if (appData.debugMode) {
5297 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5301 move[2]>='0' && move[2]<='9' &&
5302 move[3]>='a' && move[3]<='x' ) {
5304 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5305 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5307 if(move[0]>='0' && move[0]<='9' &&
5308 move[1]>='a' && move[1]<='x' &&
5309 move[2]>='0' && move[2]<='9' &&
5310 move[3]>='a' && move[3]<='x' ) {
5311 /* input move, Shogi -> normal */
5312 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5313 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5314 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5315 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5318 move[3]>='0' && move[3]<='9' &&
5319 move[2]>='a' && move[2]<='x' ) {
5321 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5322 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5325 move[0]>='a' && move[0]<='x' &&
5326 move[3]>='0' && move[3]<='9' &&
5327 move[2]>='a' && move[2]<='x' ) {
5328 /* output move, normal -> Shogi */
5329 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5330 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5331 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5332 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5333 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5335 if (appData.debugMode) {
5336 fprintf(debugFP, " out = '%s'\n", move);
5340 char yy_textstr[8000];
5342 /* Parser for moves from gnuchess, ICS, or user typein box */
5344 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5346 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5348 switch (*moveType) {
5349 case WhitePromotion:
5350 case BlackPromotion:
5351 case WhiteNonPromotion:
5352 case BlackNonPromotion:
5354 case WhiteCapturesEnPassant:
5355 case BlackCapturesEnPassant:
5356 case WhiteKingSideCastle:
5357 case WhiteQueenSideCastle:
5358 case BlackKingSideCastle:
5359 case BlackQueenSideCastle:
5360 case WhiteKingSideCastleWild:
5361 case WhiteQueenSideCastleWild:
5362 case BlackKingSideCastleWild:
5363 case BlackQueenSideCastleWild:
5364 /* Code added by Tord: */
5365 case WhiteHSideCastleFR:
5366 case WhiteASideCastleFR:
5367 case BlackHSideCastleFR:
5368 case BlackASideCastleFR:
5369 /* End of code added by Tord */
5370 case IllegalMove: /* bug or odd chess variant */
5371 *fromX = currentMoveString[0] - AAA;
5372 *fromY = currentMoveString[1] - ONE;
5373 *toX = currentMoveString[2] - AAA;
5374 *toY = currentMoveString[3] - ONE;
5375 *promoChar = currentMoveString[4];
5376 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5377 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5378 if (appData.debugMode) {
5379 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5381 *fromX = *fromY = *toX = *toY = 0;
5384 if (appData.testLegality) {
5385 return (*moveType != IllegalMove);
5387 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5388 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5393 *fromX = *moveType == WhiteDrop ?
5394 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5395 (int) CharToPiece(ToLower(currentMoveString[0]));
5397 *toX = currentMoveString[2] - AAA;
5398 *toY = currentMoveString[3] - ONE;
5399 *promoChar = NULLCHAR;
5403 case ImpossibleMove:
5413 if (appData.debugMode) {
5414 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5417 *fromX = *fromY = *toX = *toY = 0;
5418 *promoChar = NULLCHAR;
5423 Boolean pushed = FALSE;
5424 char *lastParseAttempt;
5427 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5428 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5429 int fromX, fromY, toX, toY; char promoChar;
5434 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5435 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5436 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5439 endPV = forwardMostMove;
5441 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5442 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5443 lastParseAttempt = pv;
5444 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5445 if(!valid && nr == 0 &&
5446 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5447 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5448 // Hande case where played move is different from leading PV move
5449 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5450 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5451 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5452 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5453 endPV += 2; // if position different, keep this
5454 moveList[endPV-1][0] = fromX + AAA;
5455 moveList[endPV-1][1] = fromY + ONE;
5456 moveList[endPV-1][2] = toX + AAA;
5457 moveList[endPV-1][3] = toY + ONE;
5458 parseList[endPV-1][0] = NULLCHAR;
5459 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5462 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5463 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5464 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5465 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5466 valid++; // allow comments in PV
5470 if(endPV+1 > framePtr) break; // no space, truncate
5473 CopyBoard(boards[endPV], boards[endPV-1]);
5474 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5475 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5476 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5477 CoordsToAlgebraic(boards[endPV - 1],
5478 PosFlags(endPV - 1),
5479 fromY, fromX, toY, toX, promoChar,
5480 parseList[endPV - 1]);
5482 if(atEnd == 2) return; // used hidden, for PV conversion
5483 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5484 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5485 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5486 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5487 DrawPosition(TRUE, boards[currentMove]);
5491 MultiPV (ChessProgramState *cps)
5492 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5494 for(i=0; i<cps->nrOptions; i++)
5495 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5500 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5503 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5505 int startPV, multi, lineStart, origIndex = index;
5506 char *p, buf2[MSG_SIZ];
5507 ChessProgramState *cps = (pane ? &second : &first);
5509 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5510 lastX = x; lastY = y;
5511 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5512 lineStart = startPV = index;
5513 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5514 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5516 do{ while(buf[index] && buf[index] != '\n') index++;
5517 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5519 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5520 int n = cps->option[multi].value;
5521 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5522 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5523 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5524 cps->option[multi].value = n;
5527 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5528 ExcludeClick(origIndex - lineStart);
5531 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5532 *start = startPV; *end = index-1;
5533 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5540 static char buf[10*MSG_SIZ];
5541 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5543 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5544 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5545 for(i = forwardMostMove; i<endPV; i++){
5546 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5547 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5550 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5551 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5552 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5558 LoadPV (int x, int y)
5559 { // called on right mouse click to load PV
5560 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5561 lastX = x; lastY = y;
5562 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5570 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5571 if(endPV < 0) return;
5572 if(appData.autoCopyPV) CopyFENToClipboard();
5574 if(extendGame && currentMove > forwardMostMove) {
5575 Boolean saveAnimate = appData.animate;
5577 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5578 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5579 } else storedGames--; // abandon shelved tail of original game
5582 forwardMostMove = currentMove;
5583 currentMove = oldFMM;
5584 appData.animate = FALSE;
5585 ToNrEvent(forwardMostMove);
5586 appData.animate = saveAnimate;
5588 currentMove = forwardMostMove;
5589 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5590 ClearPremoveHighlights();
5591 DrawPosition(TRUE, boards[currentMove]);
5595 MovePV (int x, int y, int h)
5596 { // step through PV based on mouse coordinates (called on mouse move)
5597 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5599 // we must somehow check if right button is still down (might be released off board!)
5600 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5601 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5602 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5604 lastX = x; lastY = y;
5606 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5607 if(endPV < 0) return;
5608 if(y < margin) step = 1; else
5609 if(y > h - margin) step = -1;
5610 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5611 currentMove += step;
5612 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5613 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5614 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5615 DrawPosition(FALSE, boards[currentMove]);
5619 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5620 // All positions will have equal probability, but the current method will not provide a unique
5621 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5627 int piecesLeft[(int)BlackPawn];
5628 int seed, nrOfShuffles;
5631 GetPositionNumber ()
5632 { // sets global variable seed
5635 seed = appData.defaultFrcPosition;
5636 if(seed < 0) { // randomize based on time for negative FRC position numbers
5637 for(i=0; i<50; i++) seed += random();
5638 seed = random() ^ random() >> 8 ^ random() << 8;
5639 if(seed<0) seed = -seed;
5644 put (Board board, int pieceType, int rank, int n, int shade)
5645 // put the piece on the (n-1)-th empty squares of the given shade
5649 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5650 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5651 board[rank][i] = (ChessSquare) pieceType;
5652 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5654 piecesLeft[pieceType]--;
5663 AddOnePiece (Board board, int pieceType, int rank, int shade)
5664 // calculate where the next piece goes, (any empty square), and put it there
5668 i = seed % squaresLeft[shade];
5669 nrOfShuffles *= squaresLeft[shade];
5670 seed /= squaresLeft[shade];
5671 put(board, pieceType, rank, i, shade);
5675 AddTwoPieces (Board board, int pieceType, int rank)
5676 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5678 int i, n=squaresLeft[ANY], j=n-1, k;
5680 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5681 i = seed % k; // pick one
5684 while(i >= j) i -= j--;
5685 j = n - 1 - j; i += j;
5686 put(board, pieceType, rank, j, ANY);
5687 put(board, pieceType, rank, i, ANY);
5691 SetUpShuffle (Board board, int number)
5695 GetPositionNumber(); nrOfShuffles = 1;
5697 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5698 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5699 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5701 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5703 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5704 p = (int) board[0][i];
5705 if(p < (int) BlackPawn) piecesLeft[p] ++;
5706 board[0][i] = EmptySquare;
5709 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5710 // shuffles restricted to allow normal castling put KRR first
5711 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5712 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5713 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5714 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5715 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5716 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5717 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5718 put(board, WhiteRook, 0, 0, ANY);
5719 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5722 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5723 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5724 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5725 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5726 while(piecesLeft[p] >= 2) {
5727 AddOnePiece(board, p, 0, LITE);
5728 AddOnePiece(board, p, 0, DARK);
5730 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5733 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5734 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5735 // but we leave King and Rooks for last, to possibly obey FRC restriction
5736 if(p == (int)WhiteRook) continue;
5737 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5738 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5741 // now everything is placed, except perhaps King (Unicorn) and Rooks
5743 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5744 // Last King gets castling rights
5745 while(piecesLeft[(int)WhiteUnicorn]) {
5746 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5747 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5750 while(piecesLeft[(int)WhiteKing]) {
5751 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5752 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5757 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5758 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5761 // Only Rooks can be left; simply place them all
5762 while(piecesLeft[(int)WhiteRook]) {
5763 i = put(board, WhiteRook, 0, 0, ANY);
5764 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5767 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5769 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5772 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5773 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5776 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5780 SetCharTable (char *table, const char * map)
5781 /* [HGM] moved here from winboard.c because of its general usefulness */
5782 /* Basically a safe strcpy that uses the last character as King */
5784 int result = FALSE; int NrPieces;
5786 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5787 && NrPieces >= 12 && !(NrPieces&1)) {
5788 int i; /* [HGM] Accept even length from 12 to 34 */
5790 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5791 for( i=0; i<NrPieces/2-1; i++ ) {
5793 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5795 table[(int) WhiteKing] = map[NrPieces/2-1];
5796 table[(int) BlackKing] = map[NrPieces-1];
5805 Prelude (Board board)
5806 { // [HGM] superchess: random selection of exo-pieces
5807 int i, j, k; ChessSquare p;
5808 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5810 GetPositionNumber(); // use FRC position number
5812 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5813 SetCharTable(pieceToChar, appData.pieceToCharTable);
5814 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5815 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5818 j = seed%4; seed /= 4;
5819 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5820 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5821 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5822 j = seed%3 + (seed%3 >= j); seed /= 3;
5823 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5824 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5825 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5826 j = seed%3; seed /= 3;
5827 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5828 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5829 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5830 j = seed%2 + (seed%2 >= j); seed /= 2;
5831 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5832 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5833 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5834 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5835 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5836 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5837 put(board, exoPieces[0], 0, 0, ANY);
5838 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5842 InitPosition (int redraw)
5844 ChessSquare (* pieces)[BOARD_FILES];
5845 int i, j, pawnRow, overrule,
5846 oldx = gameInfo.boardWidth,
5847 oldy = gameInfo.boardHeight,
5848 oldh = gameInfo.holdingsWidth;
5851 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5853 /* [AS] Initialize pv info list [HGM] and game status */
5855 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5856 pvInfoList[i].depth = 0;
5857 boards[i][EP_STATUS] = EP_NONE;
5858 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5861 initialRulePlies = 0; /* 50-move counter start */
5863 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5864 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5868 /* [HGM] logic here is completely changed. In stead of full positions */
5869 /* the initialized data only consist of the two backranks. The switch */
5870 /* selects which one we will use, which is than copied to the Board */
5871 /* initialPosition, which for the rest is initialized by Pawns and */
5872 /* empty squares. This initial position is then copied to boards[0], */
5873 /* possibly after shuffling, so that it remains available. */
5875 gameInfo.holdingsWidth = 0; /* default board sizes */
5876 gameInfo.boardWidth = 8;
5877 gameInfo.boardHeight = 8;
5878 gameInfo.holdingsSize = 0;
5879 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5880 for(i=0; i<BOARD_FILES-2; i++)
5881 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5882 initialPosition[EP_STATUS] = EP_NONE;
5883 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5884 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5885 SetCharTable(pieceNickName, appData.pieceNickNames);
5886 else SetCharTable(pieceNickName, "............");
5889 switch (gameInfo.variant) {
5890 case VariantFischeRandom:
5891 shuffleOpenings = TRUE;
5894 case VariantShatranj:
5895 pieces = ShatranjArray;
5896 nrCastlingRights = 0;
5897 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5900 pieces = makrukArray;
5901 nrCastlingRights = 0;
5902 startedFromSetupPosition = TRUE;
5903 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5905 case VariantTwoKings:
5906 pieces = twoKingsArray;
5909 pieces = GrandArray;
5910 nrCastlingRights = 0;
5911 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5912 gameInfo.boardWidth = 10;
5913 gameInfo.boardHeight = 10;
5914 gameInfo.holdingsSize = 7;
5916 case VariantCapaRandom:
5917 shuffleOpenings = TRUE;
5918 case VariantCapablanca:
5919 pieces = CapablancaArray;
5920 gameInfo.boardWidth = 10;
5921 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5924 pieces = GothicArray;
5925 gameInfo.boardWidth = 10;
5926 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5929 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5930 gameInfo.holdingsSize = 7;
5931 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5934 pieces = JanusArray;
5935 gameInfo.boardWidth = 10;
5936 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5937 nrCastlingRights = 6;
5938 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5939 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5940 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5941 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5942 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5943 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5946 pieces = FalconArray;
5947 gameInfo.boardWidth = 10;
5948 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5950 case VariantXiangqi:
5951 pieces = XiangqiArray;
5952 gameInfo.boardWidth = 9;
5953 gameInfo.boardHeight = 10;
5954 nrCastlingRights = 0;
5955 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5958 pieces = ShogiArray;
5959 gameInfo.boardWidth = 9;
5960 gameInfo.boardHeight = 9;
5961 gameInfo.holdingsSize = 7;
5962 nrCastlingRights = 0;
5963 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5965 case VariantCourier:
5966 pieces = CourierArray;
5967 gameInfo.boardWidth = 12;
5968 nrCastlingRights = 0;
5969 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5971 case VariantKnightmate:
5972 pieces = KnightmateArray;
5973 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5975 case VariantSpartan:
5976 pieces = SpartanArray;
5977 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5980 pieces = fairyArray;
5981 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5984 pieces = GreatArray;
5985 gameInfo.boardWidth = 10;
5986 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5987 gameInfo.holdingsSize = 8;
5991 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5992 gameInfo.holdingsSize = 8;
5993 startedFromSetupPosition = TRUE;
5995 case VariantCrazyhouse:
5996 case VariantBughouse:
5998 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5999 gameInfo.holdingsSize = 5;
6001 case VariantWildCastle:
6003 /* !!?shuffle with kings guaranteed to be on d or e file */
6004 shuffleOpenings = 1;
6006 case VariantNoCastle:
6008 nrCastlingRights = 0;
6009 /* !!?unconstrained back-rank shuffle */
6010 shuffleOpenings = 1;
6015 if(appData.NrFiles >= 0) {
6016 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6017 gameInfo.boardWidth = appData.NrFiles;
6019 if(appData.NrRanks >= 0) {
6020 gameInfo.boardHeight = appData.NrRanks;
6022 if(appData.holdingsSize >= 0) {
6023 i = appData.holdingsSize;
6024 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6025 gameInfo.holdingsSize = i;
6027 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6028 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6029 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6031 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6032 if(pawnRow < 1) pawnRow = 1;
6033 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6035 /* User pieceToChar list overrules defaults */
6036 if(appData.pieceToCharTable != NULL)
6037 SetCharTable(pieceToChar, appData.pieceToCharTable);
6039 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6041 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6042 s = (ChessSquare) 0; /* account holding counts in guard band */
6043 for( i=0; i<BOARD_HEIGHT; i++ )
6044 initialPosition[i][j] = s;
6046 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6047 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6048 initialPosition[pawnRow][j] = WhitePawn;
6049 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6050 if(gameInfo.variant == VariantXiangqi) {
6052 initialPosition[pawnRow][j] =
6053 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6054 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6055 initialPosition[2][j] = WhiteCannon;
6056 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6060 if(gameInfo.variant == VariantGrand) {
6061 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6062 initialPosition[0][j] = WhiteRook;
6063 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6066 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6068 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6071 initialPosition[1][j] = WhiteBishop;
6072 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6074 initialPosition[1][j] = WhiteRook;
6075 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6078 if( nrCastlingRights == -1) {
6079 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6080 /* This sets default castling rights from none to normal corners */
6081 /* Variants with other castling rights must set them themselves above */
6082 nrCastlingRights = 6;
6084 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6085 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6086 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6087 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6088 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6089 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6092 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6093 if(gameInfo.variant == VariantGreat) { // promotion commoners
6094 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6095 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6096 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6097 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6099 if( gameInfo.variant == VariantSChess ) {
6100 initialPosition[1][0] = BlackMarshall;
6101 initialPosition[2][0] = BlackAngel;
6102 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6103 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6104 initialPosition[1][1] = initialPosition[2][1] =
6105 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6107 if (appData.debugMode) {
6108 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6110 if(shuffleOpenings) {
6111 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6112 startedFromSetupPosition = TRUE;
6114 if(startedFromPositionFile) {
6115 /* [HGM] loadPos: use PositionFile for every new game */
6116 CopyBoard(initialPosition, filePosition);
6117 for(i=0; i<nrCastlingRights; i++)
6118 initialRights[i] = filePosition[CASTLING][i];
6119 startedFromSetupPosition = TRUE;
6122 CopyBoard(boards[0], initialPosition);
6124 if(oldx != gameInfo.boardWidth ||
6125 oldy != gameInfo.boardHeight ||
6126 oldv != gameInfo.variant ||
6127 oldh != gameInfo.holdingsWidth
6129 InitDrawingSizes(-2 ,0);
6131 oldv = gameInfo.variant;
6133 DrawPosition(TRUE, boards[currentMove]);
6137 SendBoard (ChessProgramState *cps, int moveNum)
6139 char message[MSG_SIZ];
6141 if (cps->useSetboard) {
6142 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6143 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6144 SendToProgram(message, cps);
6149 int i, j, left=0, right=BOARD_WIDTH;
6150 /* Kludge to set black to move, avoiding the troublesome and now
6151 * deprecated "black" command.
6153 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6154 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6156 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6158 SendToProgram("edit\n", cps);
6159 SendToProgram("#\n", cps);
6160 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6161 bp = &boards[moveNum][i][left];
6162 for (j = left; j < right; j++, bp++) {
6163 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6164 if ((int) *bp < (int) BlackPawn) {
6165 if(j == BOARD_RGHT+1)
6166 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6167 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6168 if(message[0] == '+' || message[0] == '~') {
6169 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6170 PieceToChar((ChessSquare)(DEMOTED *bp)),
6173 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6174 message[1] = BOARD_RGHT - 1 - j + '1';
6175 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6177 SendToProgram(message, cps);
6182 SendToProgram("c\n", cps);
6183 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6184 bp = &boards[moveNum][i][left];
6185 for (j = left; j < right; j++, bp++) {
6186 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6187 if (((int) *bp != (int) EmptySquare)
6188 && ((int) *bp >= (int) BlackPawn)) {
6189 if(j == BOARD_LEFT-2)
6190 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6191 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6193 if(message[0] == '+' || message[0] == '~') {
6194 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6195 PieceToChar((ChessSquare)(DEMOTED *bp)),
6198 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6199 message[1] = BOARD_RGHT - 1 - j + '1';
6200 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6202 SendToProgram(message, cps);
6207 SendToProgram(".\n", cps);
6209 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6212 char exclusionHeader[MSG_SIZ];
6213 int exCnt, excludePtr;
6214 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6215 static Exclusion excluTab[200];
6216 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6222 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6223 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6229 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6230 excludePtr = 24; exCnt = 0;
6235 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6236 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6237 char buf[2*MOVE_LEN], *p;
6238 Exclusion *e = excluTab;
6240 for(i=0; i<exCnt; i++)
6241 if(e[i].ff == fromX && e[i].fr == fromY &&
6242 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6243 if(i == exCnt) { // was not in exclude list; add it
6244 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6245 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6246 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6249 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6250 excludePtr++; e[i].mark = excludePtr++;
6251 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6254 exclusionHeader[e[i].mark] = state;
6258 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6259 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6263 if((signed char)promoChar == -1) { // kludge to indicate best move
6264 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6265 return 1; // if unparsable, abort
6267 // update exclusion map (resolving toggle by consulting existing state)
6268 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6270 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6271 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6272 excludeMap[k] |= 1<<j;
6273 else excludeMap[k] &= ~(1<<j);
6275 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6277 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6278 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6280 return (state == '+');
6284 ExcludeClick (int index)
6287 Exclusion *e = excluTab;
6288 if(index < 25) { // none, best or tail clicked
6289 if(index < 13) { // none: include all
6290 WriteMap(0); // clear map
6291 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6292 SendToBoth("include all\n"); // and inform engine
6293 } else if(index > 18) { // tail
6294 if(exclusionHeader[19] == '-') { // tail was excluded
6295 SendToBoth("include all\n");
6296 WriteMap(0); // clear map completely
6297 // now re-exclude selected moves
6298 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6299 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6300 } else { // tail was included or in mixed state
6301 SendToBoth("exclude all\n");
6302 WriteMap(0xFF); // fill map completely
6303 // now re-include selected moves
6304 j = 0; // count them
6305 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6306 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6307 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6310 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6313 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6314 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6315 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6322 DefaultPromoChoice (int white)
6325 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6326 result = WhiteFerz; // no choice
6327 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6328 result= WhiteKing; // in Suicide Q is the last thing we want
6329 else if(gameInfo.variant == VariantSpartan)
6330 result = white ? WhiteQueen : WhiteAngel;
6331 else result = WhiteQueen;
6332 if(!white) result = WHITE_TO_BLACK result;
6336 static int autoQueen; // [HGM] oneclick
6339 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6341 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6342 /* [HGM] add Shogi promotions */
6343 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6348 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6349 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6351 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6352 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6355 piece = boards[currentMove][fromY][fromX];
6356 if(gameInfo.variant == VariantShogi) {
6357 promotionZoneSize = BOARD_HEIGHT/3;
6358 highestPromotingPiece = (int)WhiteFerz;
6359 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6360 promotionZoneSize = 3;
6363 // Treat Lance as Pawn when it is not representing Amazon
6364 if(gameInfo.variant != VariantSuper) {
6365 if(piece == WhiteLance) piece = WhitePawn; else
6366 if(piece == BlackLance) piece = BlackPawn;
6369 // next weed out all moves that do not touch the promotion zone at all
6370 if((int)piece >= BlackPawn) {
6371 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6373 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6375 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6376 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6379 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6381 // weed out mandatory Shogi promotions
6382 if(gameInfo.variant == VariantShogi) {
6383 if(piece >= BlackPawn) {
6384 if(toY == 0 && piece == BlackPawn ||
6385 toY == 0 && piece == BlackQueen ||
6386 toY <= 1 && piece == BlackKnight) {
6391 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6392 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6393 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6400 // weed out obviously illegal Pawn moves
6401 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6402 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6403 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6404 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6405 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6406 // note we are not allowed to test for valid (non-)capture, due to premove
6409 // we either have a choice what to promote to, or (in Shogi) whether to promote
6410 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6411 *promoChoice = PieceToChar(BlackFerz); // no choice
6414 // no sense asking what we must promote to if it is going to explode...
6415 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6416 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6419 // give caller the default choice even if we will not make it
6420 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6421 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6422 if( sweepSelect && gameInfo.variant != VariantGreat
6423 && gameInfo.variant != VariantGrand
6424 && gameInfo.variant != VariantSuper) return FALSE;
6425 if(autoQueen) return FALSE; // predetermined
6427 // suppress promotion popup on illegal moves that are not premoves
6428 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6429 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6430 if(appData.testLegality && !premove) {
6431 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6432 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6433 if(moveType != WhitePromotion && moveType != BlackPromotion)
6441 InPalace (int row, int column)
6442 { /* [HGM] for Xiangqi */
6443 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6444 column < (BOARD_WIDTH + 4)/2 &&
6445 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6450 PieceForSquare (int x, int y)
6452 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6455 return boards[currentMove][y][x];
6459 OKToStartUserMove (int x, int y)
6461 ChessSquare from_piece;
6464 if (matchMode) return FALSE;
6465 if (gameMode == EditPosition) return TRUE;
6467 if (x >= 0 && y >= 0)
6468 from_piece = boards[currentMove][y][x];
6470 from_piece = EmptySquare;
6472 if (from_piece == EmptySquare) return FALSE;
6474 white_piece = (int)from_piece >= (int)WhitePawn &&
6475 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6479 case TwoMachinesPlay:
6487 case MachinePlaysWhite:
6488 case IcsPlayingBlack:
6489 if (appData.zippyPlay) return FALSE;
6491 DisplayMoveError(_("You are playing Black"));
6496 case MachinePlaysBlack:
6497 case IcsPlayingWhite:
6498 if (appData.zippyPlay) return FALSE;
6500 DisplayMoveError(_("You are playing White"));
6505 case PlayFromGameFile:
6506 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6508 if (!white_piece && WhiteOnMove(currentMove)) {
6509 DisplayMoveError(_("It is White's turn"));
6512 if (white_piece && !WhiteOnMove(currentMove)) {
6513 DisplayMoveError(_("It is Black's turn"));
6516 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6517 /* Editing correspondence game history */
6518 /* Could disallow this or prompt for confirmation */
6523 case BeginningOfGame:
6524 if (appData.icsActive) return FALSE;
6525 if (!appData.noChessProgram) {
6527 DisplayMoveError(_("You are playing White"));
6534 if (!white_piece && WhiteOnMove(currentMove)) {
6535 DisplayMoveError(_("It is White's turn"));
6538 if (white_piece && !WhiteOnMove(currentMove)) {
6539 DisplayMoveError(_("It is Black's turn"));
6548 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6549 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6550 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6551 && gameMode != AnalyzeFile && gameMode != Training) {
6552 DisplayMoveError(_("Displayed position is not current"));
6559 OnlyMove (int *x, int *y, Boolean captures)
6561 DisambiguateClosure cl;
6562 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6564 case MachinePlaysBlack:
6565 case IcsPlayingWhite:
6566 case BeginningOfGame:
6567 if(!WhiteOnMove(currentMove)) return FALSE;
6569 case MachinePlaysWhite:
6570 case IcsPlayingBlack:
6571 if(WhiteOnMove(currentMove)) return FALSE;
6578 cl.pieceIn = EmptySquare;
6583 cl.promoCharIn = NULLCHAR;
6584 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6585 if( cl.kind == NormalMove ||
6586 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6587 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6588 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6595 if(cl.kind != ImpossibleMove) return FALSE;
6596 cl.pieceIn = EmptySquare;
6601 cl.promoCharIn = NULLCHAR;
6602 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6603 if( cl.kind == NormalMove ||
6604 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6605 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6606 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6611 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6617 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6618 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6619 int lastLoadGameUseList = FALSE;
6620 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6621 ChessMove lastLoadGameStart = EndOfFile;
6625 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6629 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6631 /* Check if the user is playing in turn. This is complicated because we
6632 let the user "pick up" a piece before it is his turn. So the piece he
6633 tried to pick up may have been captured by the time he puts it down!
6634 Therefore we use the color the user is supposed to be playing in this
6635 test, not the color of the piece that is currently on the starting
6636 square---except in EditGame mode, where the user is playing both
6637 sides; fortunately there the capture race can't happen. (It can
6638 now happen in IcsExamining mode, but that's just too bad. The user
6639 will get a somewhat confusing message in that case.)
6644 case TwoMachinesPlay:
6648 /* We switched into a game mode where moves are not accepted,
6649 perhaps while the mouse button was down. */
6652 case MachinePlaysWhite:
6653 /* User is moving for Black */
6654 if (WhiteOnMove(currentMove)) {
6655 DisplayMoveError(_("It is White's turn"));
6660 case MachinePlaysBlack:
6661 /* User is moving for White */
6662 if (!WhiteOnMove(currentMove)) {
6663 DisplayMoveError(_("It is Black's turn"));
6668 case PlayFromGameFile:
6669 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6672 case BeginningOfGame:
6675 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6676 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6677 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6678 /* User is moving for Black */
6679 if (WhiteOnMove(currentMove)) {
6680 DisplayMoveError(_("It is White's turn"));
6684 /* User is moving for White */
6685 if (!WhiteOnMove(currentMove)) {
6686 DisplayMoveError(_("It is Black's turn"));
6692 case IcsPlayingBlack:
6693 /* User is moving for Black */
6694 if (WhiteOnMove(currentMove)) {
6695 if (!appData.premove) {
6696 DisplayMoveError(_("It is White's turn"));
6697 } else if (toX >= 0 && toY >= 0) {
6700 premoveFromX = fromX;
6701 premoveFromY = fromY;
6702 premovePromoChar = promoChar;
6704 if (appData.debugMode)
6705 fprintf(debugFP, "Got premove: fromX %d,"
6706 "fromY %d, toX %d, toY %d\n",
6707 fromX, fromY, toX, toY);
6713 case IcsPlayingWhite:
6714 /* User is moving for White */
6715 if (!WhiteOnMove(currentMove)) {
6716 if (!appData.premove) {
6717 DisplayMoveError(_("It is Black's turn"));
6718 } else if (toX >= 0 && toY >= 0) {
6721 premoveFromX = fromX;
6722 premoveFromY = fromY;
6723 premovePromoChar = promoChar;
6725 if (appData.debugMode)
6726 fprintf(debugFP, "Got premove: fromX %d,"
6727 "fromY %d, toX %d, toY %d\n",
6728 fromX, fromY, toX, toY);
6738 /* EditPosition, empty square, or different color piece;
6739 click-click move is possible */
6740 if (toX == -2 || toY == -2) {
6741 boards[0][fromY][fromX] = EmptySquare;
6742 DrawPosition(FALSE, boards[currentMove]);
6744 } else if (toX >= 0 && toY >= 0) {
6745 boards[0][toY][toX] = boards[0][fromY][fromX];
6746 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6747 if(boards[0][fromY][0] != EmptySquare) {
6748 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6749 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6752 if(fromX == BOARD_RGHT+1) {
6753 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6754 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6755 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6758 boards[0][fromY][fromX] = gatingPiece;
6759 DrawPosition(FALSE, boards[currentMove]);
6765 if(toX < 0 || toY < 0) return;
6766 pup = boards[currentMove][toY][toX];
6768 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6769 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6770 if( pup != EmptySquare ) return;
6771 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6772 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6773 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6774 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6775 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6776 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6777 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6781 /* [HGM] always test for legality, to get promotion info */
6782 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6783 fromY, fromX, toY, toX, promoChar);
6785 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6787 /* [HGM] but possibly ignore an IllegalMove result */
6788 if (appData.testLegality) {
6789 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6790 DisplayMoveError(_("Illegal move"));
6795 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6796 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6797 ClearPremoveHighlights(); // was included
6798 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6802 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6805 /* Common tail of UserMoveEvent and DropMenuEvent */
6807 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6811 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6812 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6813 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6814 if(WhiteOnMove(currentMove)) {
6815 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6817 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6821 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6822 move type in caller when we know the move is a legal promotion */
6823 if(moveType == NormalMove && promoChar)
6824 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6826 /* [HGM] <popupFix> The following if has been moved here from
6827 UserMoveEvent(). Because it seemed to belong here (why not allow
6828 piece drops in training games?), and because it can only be
6829 performed after it is known to what we promote. */
6830 if (gameMode == Training) {
6831 /* compare the move played on the board to the next move in the
6832 * game. If they match, display the move and the opponent's response.
6833 * If they don't match, display an error message.
6837 CopyBoard(testBoard, boards[currentMove]);
6838 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6840 if (CompareBoards(testBoard, boards[currentMove+1])) {
6841 ForwardInner(currentMove+1);
6843 /* Autoplay the opponent's response.
6844 * if appData.animate was TRUE when Training mode was entered,
6845 * the response will be animated.
6847 saveAnimate = appData.animate;
6848 appData.animate = animateTraining;
6849 ForwardInner(currentMove+1);
6850 appData.animate = saveAnimate;
6852 /* check for the end of the game */
6853 if (currentMove >= forwardMostMove) {
6854 gameMode = PlayFromGameFile;
6856 SetTrainingModeOff();
6857 DisplayInformation(_("End of game"));
6860 DisplayError(_("Incorrect move"), 0);
6865 /* Ok, now we know that the move is good, so we can kill
6866 the previous line in Analysis Mode */
6867 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6868 && currentMove < forwardMostMove) {
6869 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6870 else forwardMostMove = currentMove;
6875 /* If we need the chess program but it's dead, restart it */
6876 ResurrectChessProgram();
6878 /* A user move restarts a paused game*/
6882 thinkOutput[0] = NULLCHAR;
6884 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6886 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6887 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6891 if (gameMode == BeginningOfGame) {
6892 if (appData.noChessProgram) {
6893 gameMode = EditGame;
6897 gameMode = MachinePlaysBlack;
6900 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6902 if (first.sendName) {
6903 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6904 SendToProgram(buf, &first);
6911 /* Relay move to ICS or chess engine */
6912 if (appData.icsActive) {
6913 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6914 gameMode == IcsExamining) {
6915 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6916 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6918 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6920 // also send plain move, in case ICS does not understand atomic claims
6921 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6925 if (first.sendTime && (gameMode == BeginningOfGame ||
6926 gameMode == MachinePlaysWhite ||
6927 gameMode == MachinePlaysBlack)) {
6928 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6930 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6931 // [HGM] book: if program might be playing, let it use book
6932 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6933 first.maybeThinking = TRUE;
6934 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6935 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6936 SendBoard(&first, currentMove+1);
6937 if(second.analyzing) {
6938 if(!second.useSetboard) SendToProgram("undo\n", &second);
6939 SendBoard(&second, currentMove+1);
6942 SendMoveToProgram(forwardMostMove-1, &first);
6943 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6945 if (currentMove == cmailOldMove + 1) {
6946 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6950 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6954 if(appData.testLegality)
6955 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6961 if (WhiteOnMove(currentMove)) {
6962 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6964 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6968 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6973 case MachinePlaysBlack:
6974 case MachinePlaysWhite:
6975 /* disable certain menu options while machine is thinking */
6976 SetMachineThinkingEnables();
6983 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6984 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6986 if(bookHit) { // [HGM] book: simulate book reply
6987 static char bookMove[MSG_SIZ]; // a bit generous?
6989 programStats.nodes = programStats.depth = programStats.time =
6990 programStats.score = programStats.got_only_move = 0;
6991 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6993 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6994 strcat(bookMove, bookHit);
6995 HandleMachineMove(bookMove, &first);
7001 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7003 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7004 Markers *m = (Markers *) closure;
7005 if(rf == fromY && ff == fromX)
7006 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7007 || kind == WhiteCapturesEnPassant
7008 || kind == BlackCapturesEnPassant);
7009 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7013 MarkTargetSquares (int clear)
7016 if(clear) // no reason to ever suppress clearing
7017 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
7018 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7019 !appData.testLegality || gameMode == EditPosition) return;
7022 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7023 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7024 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7026 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7029 DrawPosition(FALSE, NULL);
7033 Explode (Board board, int fromX, int fromY, int toX, int toY)
7035 if(gameInfo.variant == VariantAtomic &&
7036 (board[toY][toX] != EmptySquare || // capture?
7037 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7038 board[fromY][fromX] == BlackPawn )
7040 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7046 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7049 CanPromote (ChessSquare piece, int y)
7051 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7052 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7053 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7054 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7055 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7056 gameInfo.variant == VariantMakruk) return FALSE;
7057 return (piece == BlackPawn && y == 1 ||
7058 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7059 piece == BlackLance && y == 1 ||
7060 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7064 LeftClick (ClickType clickType, int xPix, int yPix)
7067 Boolean saveAnimate;
7068 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7069 char promoChoice = NULLCHAR;
7071 static TimeMark lastClickTime, prevClickTime;
7073 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7075 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7077 if (clickType == Press) ErrorPopDown();
7079 x = EventToSquare(xPix, BOARD_WIDTH);
7080 y = EventToSquare(yPix, BOARD_HEIGHT);
7081 if (!flipView && y >= 0) {
7082 y = BOARD_HEIGHT - 1 - y;
7084 if (flipView && x >= 0) {
7085 x = BOARD_WIDTH - 1 - x;
7088 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7089 defaultPromoChoice = promoSweep;
7090 promoSweep = EmptySquare; // terminate sweep
7091 promoDefaultAltered = TRUE;
7092 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7095 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7096 if(clickType == Release) return; // ignore upclick of click-click destination
7097 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7098 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7099 if(gameInfo.holdingsWidth &&
7100 (WhiteOnMove(currentMove)
7101 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7102 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7103 // click in right holdings, for determining promotion piece
7104 ChessSquare p = boards[currentMove][y][x];
7105 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7106 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7107 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7108 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7113 DrawPosition(FALSE, boards[currentMove]);
7117 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7118 if(clickType == Press
7119 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7120 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7121 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7124 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7125 // could be static click on premove from-square: abort premove
7127 ClearPremoveHighlights();
7130 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7131 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7133 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7134 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7135 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7136 defaultPromoChoice = DefaultPromoChoice(side);
7139 autoQueen = appData.alwaysPromoteToQueen;
7143 gatingPiece = EmptySquare;
7144 if (clickType != Press) {
7145 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7146 DragPieceEnd(xPix, yPix); dragging = 0;
7147 DrawPosition(FALSE, NULL);
7151 doubleClick = FALSE;
7152 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7153 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7155 fromX = x; fromY = y; toX = toY = -1;
7156 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7157 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7158 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7160 if (OKToStartUserMove(fromX, fromY)) {
7162 MarkTargetSquares(0);
7163 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7164 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7165 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7166 promoSweep = defaultPromoChoice;
7167 selectFlag = 0; lastX = xPix; lastY = yPix;
7168 Sweep(0); // Pawn that is going to promote: preview promotion piece
7169 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7171 if (appData.highlightDragging) {
7172 SetHighlights(fromX, fromY, -1, -1);
7176 } else fromX = fromY = -1;
7182 if (clickType == Press && gameMode != EditPosition) {
7187 // ignore off-board to clicks
7188 if(y < 0 || x < 0) return;
7190 /* Check if clicking again on the same color piece */
7191 fromP = boards[currentMove][fromY][fromX];
7192 toP = boards[currentMove][y][x];
7193 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7194 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7195 WhitePawn <= toP && toP <= WhiteKing &&
7196 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7197 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7198 (BlackPawn <= fromP && fromP <= BlackKing &&
7199 BlackPawn <= toP && toP <= BlackKing &&
7200 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7201 !(fromP == BlackKing && toP == BlackRook && frc))) {
7202 /* Clicked again on same color piece -- changed his mind */
7203 second = (x == fromX && y == fromY);
7204 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7205 second = FALSE; // first double-click rather than scond click
7206 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7208 promoDefaultAltered = FALSE;
7209 MarkTargetSquares(1);
7210 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7211 if (appData.highlightDragging) {
7212 SetHighlights(x, y, -1, -1);
7216 if (OKToStartUserMove(x, y)) {
7217 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7218 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7219 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7220 gatingPiece = boards[currentMove][fromY][fromX];
7221 else gatingPiece = doubleClick ? fromP : EmptySquare;
7223 fromY = y; dragging = 1;
7224 MarkTargetSquares(0);
7225 DragPieceBegin(xPix, yPix, FALSE);
7226 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7227 promoSweep = defaultPromoChoice;
7228 selectFlag = 0; lastX = xPix; lastY = yPix;
7229 Sweep(0); // Pawn that is going to promote: preview promotion piece
7233 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7236 // ignore clicks on holdings
7237 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7240 if (clickType == Release && x == fromX && y == fromY) {
7241 DragPieceEnd(xPix, yPix); dragging = 0;
7243 // a deferred attempt to click-click move an empty square on top of a piece
7244 boards[currentMove][y][x] = EmptySquare;
7246 DrawPosition(FALSE, boards[currentMove]);
7247 fromX = fromY = -1; clearFlag = 0;
7250 if (appData.animateDragging) {
7251 /* Undo animation damage if any */
7252 DrawPosition(FALSE, NULL);
7254 if (second || sweepSelecting) {
7255 /* Second up/down in same square; just abort move */
7256 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7257 second = sweepSelecting = 0;
7259 gatingPiece = EmptySquare;
7262 ClearPremoveHighlights();
7264 /* First upclick in same square; start click-click mode */
7265 SetHighlights(x, y, -1, -1);
7272 /* we now have a different from- and (possibly off-board) to-square */
7273 /* Completed move */
7274 if(!sweepSelecting) {
7277 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7279 saveAnimate = appData.animate;
7280 if (clickType == Press) {
7281 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7282 // must be Edit Position mode with empty-square selected
7283 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7284 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7287 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7288 if(appData.sweepSelect) {
7289 ChessSquare piece = boards[currentMove][fromY][fromX];
7290 promoSweep = defaultPromoChoice;
7291 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7292 selectFlag = 0; lastX = xPix; lastY = yPix;
7293 Sweep(0); // Pawn that is going to promote: preview promotion piece
7295 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7296 MarkTargetSquares(1);
7298 return; // promo popup appears on up-click
7300 /* Finish clickclick move */
7301 if (appData.animate || appData.highlightLastMove) {
7302 SetHighlights(fromX, fromY, toX, toY);
7308 // [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
7309 /* Finish drag move */
7310 if (appData.highlightLastMove) {
7311 SetHighlights(fromX, fromY, toX, toY);
7316 DragPieceEnd(xPix, yPix); dragging = 0;
7317 /* Don't animate move and drag both */
7318 appData.animate = FALSE;
7321 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7322 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7323 ChessSquare piece = boards[currentMove][fromY][fromX];
7324 if(gameMode == EditPosition && piece != EmptySquare &&
7325 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7328 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7329 n = PieceToNumber(piece - (int)BlackPawn);
7330 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7331 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7332 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7334 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7335 n = PieceToNumber(piece);
7336 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7337 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7338 boards[currentMove][n][BOARD_WIDTH-2]++;
7340 boards[currentMove][fromY][fromX] = EmptySquare;
7344 MarkTargetSquares(1);
7345 DrawPosition(TRUE, boards[currentMove]);
7349 // off-board moves should not be highlighted
7350 if(x < 0 || y < 0) ClearHighlights();
7352 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7354 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7355 SetHighlights(fromX, fromY, toX, toY);
7356 MarkTargetSquares(1);
7357 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7358 // [HGM] super: promotion to captured piece selected from holdings
7359 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7360 promotionChoice = TRUE;
7361 // kludge follows to temporarily execute move on display, without promoting yet
7362 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7363 boards[currentMove][toY][toX] = p;
7364 DrawPosition(FALSE, boards[currentMove]);
7365 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7366 boards[currentMove][toY][toX] = q;
7367 DisplayMessage("Click in holdings to choose piece", "");
7372 int oldMove = currentMove;
7373 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7374 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7375 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7376 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7377 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7378 DrawPosition(TRUE, boards[currentMove]);
7379 MarkTargetSquares(1);
7382 appData.animate = saveAnimate;
7383 if (appData.animate || appData.animateDragging) {
7384 /* Undo animation damage if needed */
7385 DrawPosition(FALSE, NULL);
7390 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7391 { // front-end-free part taken out of PieceMenuPopup
7392 int whichMenu; int xSqr, ySqr;
7394 if(seekGraphUp) { // [HGM] seekgraph
7395 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7396 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7400 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7401 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7402 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7403 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7404 if(action == Press) {
7405 originalFlip = flipView;
7406 flipView = !flipView; // temporarily flip board to see game from partners perspective
7407 DrawPosition(TRUE, partnerBoard);
7408 DisplayMessage(partnerStatus, "");
7410 } else if(action == Release) {
7411 flipView = originalFlip;
7412 DrawPosition(TRUE, boards[currentMove]);
7418 xSqr = EventToSquare(x, BOARD_WIDTH);
7419 ySqr = EventToSquare(y, BOARD_HEIGHT);
7420 if (action == Release) {
7421 if(pieceSweep != EmptySquare) {
7422 EditPositionMenuEvent(pieceSweep, toX, toY);
7423 pieceSweep = EmptySquare;
7424 } else UnLoadPV(); // [HGM] pv
7426 if (action != Press) return -2; // return code to be ignored
7429 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7431 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7432 if (xSqr < 0 || ySqr < 0) return -1;
7433 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7434 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7435 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7436 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7440 if(!appData.icsEngineAnalyze) return -1;
7441 case IcsPlayingWhite:
7442 case IcsPlayingBlack:
7443 if(!appData.zippyPlay) goto noZip;
7446 case MachinePlaysWhite:
7447 case MachinePlaysBlack:
7448 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7449 if (!appData.dropMenu) {
7451 return 2; // flag front-end to grab mouse events
7453 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7454 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7457 if (xSqr < 0 || ySqr < 0) return -1;
7458 if (!appData.dropMenu || appData.testLegality &&
7459 gameInfo.variant != VariantBughouse &&
7460 gameInfo.variant != VariantCrazyhouse) return -1;
7461 whichMenu = 1; // drop menu
7467 if (((*fromX = xSqr) < 0) ||
7468 ((*fromY = ySqr) < 0)) {
7469 *fromX = *fromY = -1;
7473 *fromX = BOARD_WIDTH - 1 - *fromX;
7475 *fromY = BOARD_HEIGHT - 1 - *fromY;
7481 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7483 // char * hint = lastHint;
7484 FrontEndProgramStats stats;
7486 stats.which = cps == &first ? 0 : 1;
7487 stats.depth = cpstats->depth;
7488 stats.nodes = cpstats->nodes;
7489 stats.score = cpstats->score;
7490 stats.time = cpstats->time;
7491 stats.pv = cpstats->movelist;
7492 stats.hint = lastHint;
7493 stats.an_move_index = 0;
7494 stats.an_move_count = 0;
7496 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7497 stats.hint = cpstats->move_name;
7498 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7499 stats.an_move_count = cpstats->nr_moves;
7502 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
7504 SetProgramStats( &stats );
7508 ClearEngineOutputPane (int which)
7510 static FrontEndProgramStats dummyStats;
7511 dummyStats.which = which;
7512 dummyStats.pv = "#";
7513 SetProgramStats( &dummyStats );
7516 #define MAXPLAYERS 500
7519 TourneyStandings (int display)
7521 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7522 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7523 char result, *p, *names[MAXPLAYERS];
7525 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7526 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7527 names[0] = p = strdup(appData.participants);
7528 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7530 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7532 while(result = appData.results[nr]) {
7533 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7534 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7535 wScore = bScore = 0;
7537 case '+': wScore = 2; break;
7538 case '-': bScore = 2; break;
7539 case '=': wScore = bScore = 1; break;
7541 case '*': return strdup("busy"); // tourney not finished
7549 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7550 for(w=0; w<nPlayers; w++) {
7552 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7553 ranking[w] = b; points[w] = bScore; score[b] = -2;
7555 p = malloc(nPlayers*34+1);
7556 for(w=0; w<nPlayers && w<display; w++)
7557 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7563 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7564 { // count all piece types
7566 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7567 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7568 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7571 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7572 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7573 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7574 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7575 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7576 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7581 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7583 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7584 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7586 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7587 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7588 if(myPawns == 2 && nMine == 3) // KPP
7589 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7590 if(myPawns == 1 && nMine == 2) // KP
7591 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7592 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7593 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7594 if(myPawns) return FALSE;
7595 if(pCnt[WhiteRook+side])
7596 return pCnt[BlackRook-side] ||
7597 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7598 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7599 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7600 if(pCnt[WhiteCannon+side]) {
7601 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7602 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7604 if(pCnt[WhiteKnight+side])
7605 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7610 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7612 VariantClass v = gameInfo.variant;
7614 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7615 if(v == VariantShatranj) return TRUE; // always winnable through baring
7616 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7617 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7619 if(v == VariantXiangqi) {
7620 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7622 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7623 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7624 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7625 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7626 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7627 if(stale) // we have at least one last-rank P plus perhaps C
7628 return majors // KPKX
7629 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7631 return pCnt[WhiteFerz+side] // KCAK
7632 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7633 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7634 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7636 } else if(v == VariantKnightmate) {
7637 if(nMine == 1) return FALSE;
7638 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7639 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7640 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7642 if(nMine == 1) return FALSE; // bare King
7643 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
7644 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7645 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7646 // by now we have King + 1 piece (or multiple Bishops on the same color)
7647 if(pCnt[WhiteKnight+side])
7648 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7649 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7650 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7652 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7653 if(pCnt[WhiteAlfil+side])
7654 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7655 if(pCnt[WhiteWazir+side])
7656 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7663 CompareWithRights (Board b1, Board b2)
7666 if(!CompareBoards(b1, b2)) return FALSE;
7667 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7668 /* compare castling rights */
7669 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7670 rights++; /* King lost rights, while rook still had them */
7671 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7672 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7673 rights++; /* but at least one rook lost them */
7675 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7677 if( b1[CASTLING][5] != NoRights ) {
7678 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7685 Adjudicate (ChessProgramState *cps)
7686 { // [HGM] some adjudications useful with buggy engines
7687 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7688 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7689 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7690 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7691 int k, drop, count = 0; static int bare = 1;
7692 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7693 Boolean canAdjudicate = !appData.icsActive;
7695 // most tests only when we understand the game, i.e. legality-checking on
7696 if( appData.testLegality )
7697 { /* [HGM] Some more adjudications for obstinate engines */
7698 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7699 static int moveCount = 6;
7701 char *reason = NULL;
7703 /* Count what is on board. */
7704 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7706 /* Some material-based adjudications that have to be made before stalemate test */
7707 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7708 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7709 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7710 if(canAdjudicate && appData.checkMates) {
7712 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7713 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7714 "Xboard adjudication: King destroyed", GE_XBOARD );
7719 /* Bare King in Shatranj (loses) or Losers (wins) */
7720 if( nrW == 1 || nrB == 1) {
7721 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7722 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7723 if(canAdjudicate && appData.checkMates) {
7725 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7726 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7727 "Xboard adjudication: Bare king", GE_XBOARD );
7731 if( gameInfo.variant == VariantShatranj && --bare < 0)
7733 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7734 if(canAdjudicate && appData.checkMates) {
7735 /* but only adjudicate if adjudication enabled */
7737 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7738 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7739 "Xboard adjudication: Bare king", GE_XBOARD );
7746 // don't wait for engine to announce game end if we can judge ourselves
7747 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7749 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7750 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7751 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7752 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7755 reason = "Xboard adjudication: 3rd check";
7756 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7766 reason = "Xboard adjudication: Stalemate";
7767 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7768 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7769 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7770 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7771 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7772 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7773 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7774 EP_CHECKMATE : EP_WINS);
7775 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7776 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7780 reason = "Xboard adjudication: Checkmate";
7781 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7782 if(gameInfo.variant == VariantShogi) {
7783 if(forwardMostMove > backwardMostMove
7784 && moveList[forwardMostMove-1][1] == '@'
7785 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7786 reason = "XBoard adjudication: pawn-drop mate";
7787 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7793 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7795 result = GameIsDrawn; break;
7797 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7799 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7803 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7805 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7806 GameEnds( result, reason, GE_XBOARD );
7810 /* Next absolutely insufficient mating material. */
7811 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7812 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7813 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7815 /* always flag draws, for judging claims */
7816 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7818 if(canAdjudicate && appData.materialDraws) {
7819 /* but only adjudicate them if adjudication enabled */
7820 if(engineOpponent) {
7821 SendToProgram("force\n", engineOpponent); // suppress reply
7822 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7824 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7829 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7830 if(gameInfo.variant == VariantXiangqi ?
7831 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7833 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7834 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7835 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7836 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7838 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7839 { /* if the first 3 moves do not show a tactical win, declare draw */
7840 if(engineOpponent) {
7841 SendToProgram("force\n", engineOpponent); // suppress reply
7842 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7844 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7847 } else moveCount = 6;
7850 // Repetition draws and 50-move rule can be applied independently of legality testing
7852 /* Check for rep-draws */
7854 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7855 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7856 for(k = forwardMostMove-2;
7857 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7858 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7859 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7862 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7863 /* compare castling rights */
7864 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7865 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7866 rights++; /* King lost rights, while rook still had them */
7867 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7868 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7869 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7870 rights++; /* but at least one rook lost them */
7872 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7873 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7875 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7876 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7877 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7880 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7881 && appData.drawRepeats > 1) {
7882 /* adjudicate after user-specified nr of repeats */
7883 int result = GameIsDrawn;
7884 char *details = "XBoard adjudication: repetition draw";
7885 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7886 // [HGM] xiangqi: check for forbidden perpetuals
7887 int m, ourPerpetual = 1, hisPerpetual = 1;
7888 for(m=forwardMostMove; m>k; m-=2) {
7889 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7890 ourPerpetual = 0; // the current mover did not always check
7891 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7892 hisPerpetual = 0; // the opponent did not always check
7894 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7895 ourPerpetual, hisPerpetual);
7896 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7897 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7898 details = "Xboard adjudication: perpetual checking";
7900 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7901 break; // (or we would have caught him before). Abort repetition-checking loop.
7903 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7904 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7906 details = "Xboard adjudication: repetition";
7908 } else // it must be XQ
7909 // Now check for perpetual chases
7910 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7911 hisPerpetual = PerpetualChase(k, forwardMostMove);
7912 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7913 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7914 static char resdet[MSG_SIZ];
7915 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7917 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7919 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7920 break; // Abort repetition-checking loop.
7922 // if neither of us is checking or chasing all the time, or both are, it is draw
7924 if(engineOpponent) {
7925 SendToProgram("force\n", engineOpponent); // suppress reply
7926 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7928 GameEnds( result, details, GE_XBOARD );
7931 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7932 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7936 /* Now we test for 50-move draws. Determine ply count */
7937 count = forwardMostMove;
7938 /* look for last irreversble move */
7939 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7941 /* if we hit starting position, add initial plies */
7942 if( count == backwardMostMove )
7943 count -= initialRulePlies;
7944 count = forwardMostMove - count;
7945 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7946 // adjust reversible move counter for checks in Xiangqi
7947 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7948 if(i < backwardMostMove) i = backwardMostMove;
7949 while(i <= forwardMostMove) {
7950 lastCheck = inCheck; // check evasion does not count
7951 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7952 if(inCheck || lastCheck) count--; // check does not count
7957 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7958 /* this is used to judge if draw claims are legal */
7959 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7960 if(engineOpponent) {
7961 SendToProgram("force\n", engineOpponent); // suppress reply
7962 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7964 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7968 /* if draw offer is pending, treat it as a draw claim
7969 * when draw condition present, to allow engines a way to
7970 * claim draws before making their move to avoid a race
7971 * condition occurring after their move
7973 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7975 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7976 p = "Draw claim: 50-move rule";
7977 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7978 p = "Draw claim: 3-fold repetition";
7979 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7980 p = "Draw claim: insufficient mating material";
7981 if( p != NULL && canAdjudicate) {
7982 if(engineOpponent) {
7983 SendToProgram("force\n", engineOpponent); // suppress reply
7984 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7986 GameEnds( GameIsDrawn, p, GE_XBOARD );
7991 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7992 if(engineOpponent) {
7993 SendToProgram("force\n", engineOpponent); // suppress reply
7994 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7996 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8003 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8004 { // [HGM] book: this routine intercepts moves to simulate book replies
8005 char *bookHit = NULL;
8007 //first determine if the incoming move brings opponent into his book
8008 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8009 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8010 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8011 if(bookHit != NULL && !cps->bookSuspend) {
8012 // make sure opponent is not going to reply after receiving move to book position
8013 SendToProgram("force\n", cps);
8014 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8016 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8017 // now arrange restart after book miss
8019 // after a book hit we never send 'go', and the code after the call to this routine
8020 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8021 char buf[MSG_SIZ], *move = bookHit;
8023 int fromX, fromY, toX, toY;
8027 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8028 &fromX, &fromY, &toX, &toY, &promoChar)) {
8029 (void) CoordsToAlgebraic(boards[forwardMostMove],
8030 PosFlags(forwardMostMove),
8031 fromY, fromX, toY, toX, promoChar, move);
8033 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8037 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8038 SendToProgram(buf, cps);
8039 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8040 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8041 SendToProgram("go\n", cps);
8042 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8043 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8044 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8045 SendToProgram("go\n", cps);
8046 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8048 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8052 LoadError (char *errmess, ChessProgramState *cps)
8053 { // unloads engine and switches back to -ncp mode if it was first
8054 if(cps->initDone) return FALSE;
8055 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8056 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8059 appData.noChessProgram = TRUE;
8060 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8061 gameMode = BeginningOfGame; ModeHighlight();
8064 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8065 DisplayMessage("", ""); // erase waiting message
8066 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8071 ChessProgramState *savedState;
8073 DeferredBookMove (void)
8075 if(savedState->lastPing != savedState->lastPong)
8076 ScheduleDelayedEvent(DeferredBookMove, 10);
8078 HandleMachineMove(savedMessage, savedState);
8081 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8082 static ChessProgramState *stalledEngine;
8083 static char stashedInputMove[MSG_SIZ];
8086 HandleMachineMove (char *message, ChessProgramState *cps)
8088 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8089 char realname[MSG_SIZ];
8090 int fromX, fromY, toX, toY;
8094 int machineWhite, oldError;
8097 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8098 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8099 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8100 DisplayError(_("Invalid pairing from pairing engine"), 0);
8103 pairingReceived = 1;
8105 return; // Skim the pairing messages here.
8108 oldError = cps->userError; cps->userError = 0;
8110 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8112 * Kludge to ignore BEL characters
8114 while (*message == '\007') message++;
8117 * [HGM] engine debug message: ignore lines starting with '#' character
8119 if(cps->debug && *message == '#') return;
8122 * Look for book output
8124 if (cps == &first && bookRequested) {
8125 if (message[0] == '\t' || message[0] == ' ') {
8126 /* Part of the book output is here; append it */
8127 strcat(bookOutput, message);
8128 strcat(bookOutput, " \n");
8130 } else if (bookOutput[0] != NULLCHAR) {
8131 /* All of book output has arrived; display it */
8132 char *p = bookOutput;
8133 while (*p != NULLCHAR) {
8134 if (*p == '\t') *p = ' ';
8137 DisplayInformation(bookOutput);
8138 bookRequested = FALSE;
8139 /* Fall through to parse the current output */
8144 * Look for machine move.
8146 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8147 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8149 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8150 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8151 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8152 stalledEngine = cps;
8153 if(appData.ponderNextMove) { // bring opponent out of ponder
8154 if(gameMode == TwoMachinesPlay) {
8155 if(cps->other->pause)
8156 PauseEngine(cps->other);
8158 SendToProgram("easy\n", cps->other);
8165 /* This method is only useful on engines that support ping */
8166 if (cps->lastPing != cps->lastPong) {
8167 if (gameMode == BeginningOfGame) {
8168 /* Extra move from before last new; ignore */
8169 if (appData.debugMode) {
8170 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8173 if (appData.debugMode) {
8174 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8175 cps->which, gameMode);
8178 SendToProgram("undo\n", cps);
8184 case BeginningOfGame:
8185 /* Extra move from before last reset; ignore */
8186 if (appData.debugMode) {
8187 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8194 /* Extra move after we tried to stop. The mode test is
8195 not a reliable way of detecting this problem, but it's
8196 the best we can do on engines that don't support ping.
8198 if (appData.debugMode) {
8199 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8200 cps->which, gameMode);
8202 SendToProgram("undo\n", cps);
8205 case MachinePlaysWhite:
8206 case IcsPlayingWhite:
8207 machineWhite = TRUE;
8210 case MachinePlaysBlack:
8211 case IcsPlayingBlack:
8212 machineWhite = FALSE;
8215 case TwoMachinesPlay:
8216 machineWhite = (cps->twoMachinesColor[0] == 'w');
8219 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8220 if (appData.debugMode) {
8222 "Ignoring move out of turn by %s, gameMode %d"
8223 ", forwardMost %d\n",
8224 cps->which, gameMode, forwardMostMove);
8229 if(cps->alphaRank) AlphaRank(machineMove, 4);
8230 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8231 &fromX, &fromY, &toX, &toY, &promoChar)) {
8232 /* Machine move could not be parsed; ignore it. */
8233 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8234 machineMove, _(cps->which));
8235 DisplayMoveError(buf1);
8236 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8237 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8238 if (gameMode == TwoMachinesPlay) {
8239 GameEnds(machineWhite ? BlackWins : WhiteWins,
8245 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8246 /* So we have to redo legality test with true e.p. status here, */
8247 /* to make sure an illegal e.p. capture does not slip through, */
8248 /* to cause a forfeit on a justified illegal-move complaint */
8249 /* of the opponent. */
8250 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8252 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8253 fromY, fromX, toY, toX, promoChar);
8254 if(moveType == IllegalMove) {
8255 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8256 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8257 GameEnds(machineWhite ? BlackWins : WhiteWins,
8260 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8261 /* [HGM] Kludge to handle engines that send FRC-style castling
8262 when they shouldn't (like TSCP-Gothic) */
8264 case WhiteASideCastleFR:
8265 case BlackASideCastleFR:
8267 currentMoveString[2]++;
8269 case WhiteHSideCastleFR:
8270 case BlackHSideCastleFR:
8272 currentMoveString[2]--;
8274 default: ; // nothing to do, but suppresses warning of pedantic compilers
8277 hintRequested = FALSE;
8278 lastHint[0] = NULLCHAR;
8279 bookRequested = FALSE;
8280 /* Program may be pondering now */
8281 cps->maybeThinking = TRUE;
8282 if (cps->sendTime == 2) cps->sendTime = 1;
8283 if (cps->offeredDraw) cps->offeredDraw--;
8285 /* [AS] Save move info*/
8286 pvInfoList[ forwardMostMove ].score = programStats.score;
8287 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8288 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8290 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8292 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8293 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8296 while( count < adjudicateLossPlies ) {
8297 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8300 score = -score; /* Flip score for winning side */
8303 if( score > adjudicateLossThreshold ) {
8310 if( count >= adjudicateLossPlies ) {
8311 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8313 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8314 "Xboard adjudication",
8321 if(Adjudicate(cps)) {
8322 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8323 return; // [HGM] adjudicate: for all automatic game ends
8327 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8329 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8330 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8332 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8334 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8336 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8337 char buf[3*MSG_SIZ];
8339 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8340 programStats.score / 100.,
8342 programStats.time / 100.,
8343 (unsigned int)programStats.nodes,
8344 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8345 programStats.movelist);
8347 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8352 /* [AS] Clear stats for next move */
8353 ClearProgramStats();
8354 thinkOutput[0] = NULLCHAR;
8355 hiddenThinkOutputState = 0;
8358 if (gameMode == TwoMachinesPlay) {
8359 /* [HGM] relaying draw offers moved to after reception of move */
8360 /* and interpreting offer as claim if it brings draw condition */
8361 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8362 SendToProgram("draw\n", cps->other);
8364 if (cps->other->sendTime) {
8365 SendTimeRemaining(cps->other,
8366 cps->other->twoMachinesColor[0] == 'w');
8368 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8369 if (firstMove && !bookHit) {
8371 if (cps->other->useColors) {
8372 SendToProgram(cps->other->twoMachinesColor, cps->other);
8374 SendToProgram("go\n", cps->other);
8376 cps->other->maybeThinking = TRUE;
8379 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8381 if (!pausing && appData.ringBellAfterMoves) {
8386 * Reenable menu items that were disabled while
8387 * machine was thinking
8389 if (gameMode != TwoMachinesPlay)
8390 SetUserThinkingEnables();
8392 // [HGM] book: after book hit opponent has received move and is now in force mode
8393 // force the book reply into it, and then fake that it outputted this move by jumping
8394 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8396 static char bookMove[MSG_SIZ]; // a bit generous?
8398 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8399 strcat(bookMove, bookHit);
8402 programStats.nodes = programStats.depth = programStats.time =
8403 programStats.score = programStats.got_only_move = 0;
8404 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8406 if(cps->lastPing != cps->lastPong) {
8407 savedMessage = message; // args for deferred call
8409 ScheduleDelayedEvent(DeferredBookMove, 10);
8418 /* Set special modes for chess engines. Later something general
8419 * could be added here; for now there is just one kludge feature,
8420 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8421 * when "xboard" is given as an interactive command.
8423 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8424 cps->useSigint = FALSE;
8425 cps->useSigterm = FALSE;
8427 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8428 ParseFeatures(message+8, cps);
8429 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8432 if (!strncmp(message, "setup ", 6) &&
8433 (!appData.testLegality || gameInfo.variant == VariantFairy || NonStandardBoardSize())
8434 ) { // [HGM] allow first engine to define opening position
8435 int dummy, s=6; char buf[MSG_SIZ];
8436 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8437 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8438 if(startedFromSetupPosition) return;
8439 ParseFEN(boards[0], &dummy, message+s);
8440 DrawPosition(TRUE, boards[0]);
8441 startedFromSetupPosition = TRUE;
8444 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8445 * want this, I was asked to put it in, and obliged.
8447 if (!strncmp(message, "setboard ", 9)) {
8448 Board initial_position;
8450 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8452 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8453 DisplayError(_("Bad FEN received from engine"), 0);
8457 CopyBoard(boards[0], initial_position);
8458 initialRulePlies = FENrulePlies;
8459 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8460 else gameMode = MachinePlaysBlack;
8461 DrawPosition(FALSE, boards[currentMove]);
8467 * Look for communication commands
8469 if (!strncmp(message, "telluser ", 9)) {
8470 if(message[9] == '\\' && message[10] == '\\')
8471 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8473 DisplayNote(message + 9);
8476 if (!strncmp(message, "tellusererror ", 14)) {
8478 if(message[14] == '\\' && message[15] == '\\')
8479 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8481 DisplayError(message + 14, 0);
8484 if (!strncmp(message, "tellopponent ", 13)) {
8485 if (appData.icsActive) {
8487 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8491 DisplayNote(message + 13);
8495 if (!strncmp(message, "tellothers ", 11)) {
8496 if (appData.icsActive) {
8498 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8501 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8504 if (!strncmp(message, "tellall ", 8)) {
8505 if (appData.icsActive) {
8507 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8511 DisplayNote(message + 8);
8515 if (strncmp(message, "warning", 7) == 0) {
8516 /* Undocumented feature, use tellusererror in new code */
8517 DisplayError(message, 0);
8520 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8521 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8522 strcat(realname, " query");
8523 AskQuestion(realname, buf2, buf1, cps->pr);
8526 /* Commands from the engine directly to ICS. We don't allow these to be
8527 * sent until we are logged on. Crafty kibitzes have been known to
8528 * interfere with the login process.
8531 if (!strncmp(message, "tellics ", 8)) {
8532 SendToICS(message + 8);
8536 if (!strncmp(message, "tellicsnoalias ", 15)) {
8537 SendToICS(ics_prefix);
8538 SendToICS(message + 15);
8542 /* The following are for backward compatibility only */
8543 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8544 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8545 SendToICS(ics_prefix);
8551 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8555 * If the move is illegal, cancel it and redraw the board.
8556 * Also deal with other error cases. Matching is rather loose
8557 * here to accommodate engines written before the spec.
8559 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8560 strncmp(message, "Error", 5) == 0) {
8561 if (StrStr(message, "name") ||
8562 StrStr(message, "rating") || StrStr(message, "?") ||
8563 StrStr(message, "result") || StrStr(message, "board") ||
8564 StrStr(message, "bk") || StrStr(message, "computer") ||
8565 StrStr(message, "variant") || StrStr(message, "hint") ||
8566 StrStr(message, "random") || StrStr(message, "depth") ||
8567 StrStr(message, "accepted")) {
8570 if (StrStr(message, "protover")) {
8571 /* Program is responding to input, so it's apparently done
8572 initializing, and this error message indicates it is
8573 protocol version 1. So we don't need to wait any longer
8574 for it to initialize and send feature commands. */
8575 FeatureDone(cps, 1);
8576 cps->protocolVersion = 1;
8579 cps->maybeThinking = FALSE;
8581 if (StrStr(message, "draw")) {
8582 /* Program doesn't have "draw" command */
8583 cps->sendDrawOffers = 0;
8586 if (cps->sendTime != 1 &&
8587 (StrStr(message, "time") || StrStr(message, "otim"))) {
8588 /* Program apparently doesn't have "time" or "otim" command */
8592 if (StrStr(message, "analyze")) {
8593 cps->analysisSupport = FALSE;
8594 cps->analyzing = FALSE;
8595 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8596 EditGameEvent(); // [HGM] try to preserve loaded game
8597 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8598 DisplayError(buf2, 0);
8601 if (StrStr(message, "(no matching move)st")) {
8602 /* Special kludge for GNU Chess 4 only */
8603 cps->stKludge = TRUE;
8604 SendTimeControl(cps, movesPerSession, timeControl,
8605 timeIncrement, appData.searchDepth,
8609 if (StrStr(message, "(no matching move)sd")) {
8610 /* Special kludge for GNU Chess 4 only */
8611 cps->sdKludge = TRUE;
8612 SendTimeControl(cps, movesPerSession, timeControl,
8613 timeIncrement, appData.searchDepth,
8617 if (!StrStr(message, "llegal")) {
8620 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8621 gameMode == IcsIdle) return;
8622 if (forwardMostMove <= backwardMostMove) return;
8623 if (pausing) PauseEvent();
8624 if(appData.forceIllegal) {
8625 // [HGM] illegal: machine refused move; force position after move into it
8626 SendToProgram("force\n", cps);
8627 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8628 // we have a real problem now, as SendBoard will use the a2a3 kludge
8629 // when black is to move, while there might be nothing on a2 or black
8630 // might already have the move. So send the board as if white has the move.
8631 // But first we must change the stm of the engine, as it refused the last move
8632 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8633 if(WhiteOnMove(forwardMostMove)) {
8634 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8635 SendBoard(cps, forwardMostMove); // kludgeless board
8637 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8638 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8639 SendBoard(cps, forwardMostMove+1); // kludgeless board
8641 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8642 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8643 gameMode == TwoMachinesPlay)
8644 SendToProgram("go\n", cps);
8647 if (gameMode == PlayFromGameFile) {
8648 /* Stop reading this game file */
8649 gameMode = EditGame;
8652 /* [HGM] illegal-move claim should forfeit game when Xboard */
8653 /* only passes fully legal moves */
8654 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8655 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8656 "False illegal-move claim", GE_XBOARD );
8657 return; // do not take back move we tested as valid
8659 currentMove = forwardMostMove-1;
8660 DisplayMove(currentMove-1); /* before DisplayMoveError */
8661 SwitchClocks(forwardMostMove-1); // [HGM] race
8662 DisplayBothClocks();
8663 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8664 parseList[currentMove], _(cps->which));
8665 DisplayMoveError(buf1);
8666 DrawPosition(FALSE, boards[currentMove]);
8668 SetUserThinkingEnables();
8671 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8672 /* Program has a broken "time" command that
8673 outputs a string not ending in newline.
8679 * If chess program startup fails, exit with an error message.
8680 * Attempts to recover here are futile. [HGM] Well, we try anyway
8682 if ((StrStr(message, "unknown host") != NULL)
8683 || (StrStr(message, "No remote directory") != NULL)
8684 || (StrStr(message, "not found") != NULL)
8685 || (StrStr(message, "No such file") != NULL)
8686 || (StrStr(message, "can't alloc") != NULL)
8687 || (StrStr(message, "Permission denied") != NULL)) {
8689 cps->maybeThinking = FALSE;
8690 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8691 _(cps->which), cps->program, cps->host, message);
8692 RemoveInputSource(cps->isr);
8693 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8694 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8695 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8701 * Look for hint output
8703 if (sscanf(message, "Hint: %s", buf1) == 1) {
8704 if (cps == &first && hintRequested) {
8705 hintRequested = FALSE;
8706 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8707 &fromX, &fromY, &toX, &toY, &promoChar)) {
8708 (void) CoordsToAlgebraic(boards[forwardMostMove],
8709 PosFlags(forwardMostMove),
8710 fromY, fromX, toY, toX, promoChar, buf1);
8711 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8712 DisplayInformation(buf2);
8714 /* Hint move could not be parsed!? */
8715 snprintf(buf2, sizeof(buf2),
8716 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8717 buf1, _(cps->which));
8718 DisplayError(buf2, 0);
8721 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8727 * Ignore other messages if game is not in progress
8729 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8730 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8733 * look for win, lose, draw, or draw offer
8735 if (strncmp(message, "1-0", 3) == 0) {
8736 char *p, *q, *r = "";
8737 p = strchr(message, '{');
8745 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8747 } else if (strncmp(message, "0-1", 3) == 0) {
8748 char *p, *q, *r = "";
8749 p = strchr(message, '{');
8757 /* Kludge for Arasan 4.1 bug */
8758 if (strcmp(r, "Black resigns") == 0) {
8759 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8762 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8764 } else if (strncmp(message, "1/2", 3) == 0) {
8765 char *p, *q, *r = "";
8766 p = strchr(message, '{');
8775 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8778 } else if (strncmp(message, "White resign", 12) == 0) {
8779 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8781 } else if (strncmp(message, "Black resign", 12) == 0) {
8782 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8784 } else if (strncmp(message, "White matches", 13) == 0 ||
8785 strncmp(message, "Black matches", 13) == 0 ) {
8786 /* [HGM] ignore GNUShogi noises */
8788 } else if (strncmp(message, "White", 5) == 0 &&
8789 message[5] != '(' &&
8790 StrStr(message, "Black") == NULL) {
8791 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8793 } else if (strncmp(message, "Black", 5) == 0 &&
8794 message[5] != '(') {
8795 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8797 } else if (strcmp(message, "resign") == 0 ||
8798 strcmp(message, "computer resigns") == 0) {
8800 case MachinePlaysBlack:
8801 case IcsPlayingBlack:
8802 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8804 case MachinePlaysWhite:
8805 case IcsPlayingWhite:
8806 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8808 case TwoMachinesPlay:
8809 if (cps->twoMachinesColor[0] == 'w')
8810 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8812 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8819 } else if (strncmp(message, "opponent mates", 14) == 0) {
8821 case MachinePlaysBlack:
8822 case IcsPlayingBlack:
8823 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8825 case MachinePlaysWhite:
8826 case IcsPlayingWhite:
8827 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8829 case TwoMachinesPlay:
8830 if (cps->twoMachinesColor[0] == 'w')
8831 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8833 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8840 } else if (strncmp(message, "computer mates", 14) == 0) {
8842 case MachinePlaysBlack:
8843 case IcsPlayingBlack:
8844 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8846 case MachinePlaysWhite:
8847 case IcsPlayingWhite:
8848 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8850 case TwoMachinesPlay:
8851 if (cps->twoMachinesColor[0] == 'w')
8852 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8854 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8861 } else if (strncmp(message, "checkmate", 9) == 0) {
8862 if (WhiteOnMove(forwardMostMove)) {
8863 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8865 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8868 } else if (strstr(message, "Draw") != NULL ||
8869 strstr(message, "game is a draw") != NULL) {
8870 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8872 } else if (strstr(message, "offer") != NULL &&
8873 strstr(message, "draw") != NULL) {
8875 if (appData.zippyPlay && first.initDone) {
8876 /* Relay offer to ICS */
8877 SendToICS(ics_prefix);
8878 SendToICS("draw\n");
8881 cps->offeredDraw = 2; /* valid until this engine moves twice */
8882 if (gameMode == TwoMachinesPlay) {
8883 if (cps->other->offeredDraw) {
8884 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8885 /* [HGM] in two-machine mode we delay relaying draw offer */
8886 /* until after we also have move, to see if it is really claim */
8888 } else if (gameMode == MachinePlaysWhite ||
8889 gameMode == MachinePlaysBlack) {
8890 if (userOfferedDraw) {
8891 DisplayInformation(_("Machine accepts your draw offer"));
8892 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8894 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8901 * Look for thinking output
8903 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8904 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8906 int plylev, mvleft, mvtot, curscore, time;
8907 char mvname[MOVE_LEN];
8911 int prefixHint = FALSE;
8912 mvname[0] = NULLCHAR;
8915 case MachinePlaysBlack:
8916 case IcsPlayingBlack:
8917 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8919 case MachinePlaysWhite:
8920 case IcsPlayingWhite:
8921 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8926 case IcsObserving: /* [DM] icsEngineAnalyze */
8927 if (!appData.icsEngineAnalyze) ignore = TRUE;
8929 case TwoMachinesPlay:
8930 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8940 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8942 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8943 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8945 if (plyext != ' ' && plyext != '\t') {
8949 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8950 if( cps->scoreIsAbsolute &&
8951 ( gameMode == MachinePlaysBlack ||
8952 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8953 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8954 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8955 !WhiteOnMove(currentMove)
8958 curscore = -curscore;
8961 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8963 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8966 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8967 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8968 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8969 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8970 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8971 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8973 } else DisplayError(_("failed writing PV"), 0);
8976 tempStats.depth = plylev;
8977 tempStats.nodes = nodes;
8978 tempStats.time = time;
8979 tempStats.score = curscore;
8980 tempStats.got_only_move = 0;
8982 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8985 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8986 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8987 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8988 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8989 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8990 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8991 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8992 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8995 /* Buffer overflow protection */
8996 if (pv[0] != NULLCHAR) {
8997 if (strlen(pv) >= sizeof(tempStats.movelist)
8998 && appData.debugMode) {
9000 "PV is too long; using the first %u bytes.\n",
9001 (unsigned) sizeof(tempStats.movelist) - 1);
9004 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9006 sprintf(tempStats.movelist, " no PV\n");
9009 if (tempStats.seen_stat) {
9010 tempStats.ok_to_send = 1;
9013 if (strchr(tempStats.movelist, '(') != NULL) {
9014 tempStats.line_is_book = 1;
9015 tempStats.nr_moves = 0;
9016 tempStats.moves_left = 0;
9018 tempStats.line_is_book = 0;
9021 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9022 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9024 SendProgramStatsToFrontend( cps, &tempStats );
9027 [AS] Protect the thinkOutput buffer from overflow... this
9028 is only useful if buf1 hasn't overflowed first!
9030 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9032 (gameMode == TwoMachinesPlay ?
9033 ToUpper(cps->twoMachinesColor[0]) : ' '),
9034 ((double) curscore) / 100.0,
9035 prefixHint ? lastHint : "",
9036 prefixHint ? " " : "" );
9038 if( buf1[0] != NULLCHAR ) {
9039 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9041 if( strlen(pv) > max_len ) {
9042 if( appData.debugMode) {
9043 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9045 pv[max_len+1] = '\0';
9048 strcat( thinkOutput, pv);
9051 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9052 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9053 DisplayMove(currentMove - 1);
9057 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9058 /* crafty (9.25+) says "(only move) <move>"
9059 * if there is only 1 legal move
9061 sscanf(p, "(only move) %s", buf1);
9062 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9063 sprintf(programStats.movelist, "%s (only move)", buf1);
9064 programStats.depth = 1;
9065 programStats.nr_moves = 1;
9066 programStats.moves_left = 1;
9067 programStats.nodes = 1;
9068 programStats.time = 1;
9069 programStats.got_only_move = 1;
9071 /* Not really, but we also use this member to
9072 mean "line isn't going to change" (Crafty
9073 isn't searching, so stats won't change) */
9074 programStats.line_is_book = 1;
9076 SendProgramStatsToFrontend( cps, &programStats );
9078 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9079 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9080 DisplayMove(currentMove - 1);
9083 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9084 &time, &nodes, &plylev, &mvleft,
9085 &mvtot, mvname) >= 5) {
9086 /* The stat01: line is from Crafty (9.29+) in response
9087 to the "." command */
9088 programStats.seen_stat = 1;
9089 cps->maybeThinking = TRUE;
9091 if (programStats.got_only_move || !appData.periodicUpdates)
9094 programStats.depth = plylev;
9095 programStats.time = time;
9096 programStats.nodes = nodes;
9097 programStats.moves_left = mvleft;
9098 programStats.nr_moves = mvtot;
9099 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9100 programStats.ok_to_send = 1;
9101 programStats.movelist[0] = '\0';
9103 SendProgramStatsToFrontend( cps, &programStats );
9107 } else if (strncmp(message,"++",2) == 0) {
9108 /* Crafty 9.29+ outputs this */
9109 programStats.got_fail = 2;
9112 } else if (strncmp(message,"--",2) == 0) {
9113 /* Crafty 9.29+ outputs this */
9114 programStats.got_fail = 1;
9117 } else if (thinkOutput[0] != NULLCHAR &&
9118 strncmp(message, " ", 4) == 0) {
9119 unsigned message_len;
9122 while (*p && *p == ' ') p++;
9124 message_len = strlen( p );
9126 /* [AS] Avoid buffer overflow */
9127 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9128 strcat(thinkOutput, " ");
9129 strcat(thinkOutput, p);
9132 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9133 strcat(programStats.movelist, " ");
9134 strcat(programStats.movelist, p);
9137 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9138 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9139 DisplayMove(currentMove - 1);
9147 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9148 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9150 ChessProgramStats cpstats;
9152 if (plyext != ' ' && plyext != '\t') {
9156 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9157 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9158 curscore = -curscore;
9161 cpstats.depth = plylev;
9162 cpstats.nodes = nodes;
9163 cpstats.time = time;
9164 cpstats.score = curscore;
9165 cpstats.got_only_move = 0;
9166 cpstats.movelist[0] = '\0';
9168 if (buf1[0] != NULLCHAR) {
9169 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9172 cpstats.ok_to_send = 0;
9173 cpstats.line_is_book = 0;
9174 cpstats.nr_moves = 0;
9175 cpstats.moves_left = 0;
9177 SendProgramStatsToFrontend( cps, &cpstats );
9184 /* Parse a game score from the character string "game", and
9185 record it as the history of the current game. The game
9186 score is NOT assumed to start from the standard position.
9187 The display is not updated in any way.
9190 ParseGameHistory (char *game)
9193 int fromX, fromY, toX, toY, boardIndex;
9198 if (appData.debugMode)
9199 fprintf(debugFP, "Parsing game history: %s\n", game);
9201 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9202 gameInfo.site = StrSave(appData.icsHost);
9203 gameInfo.date = PGNDate();
9204 gameInfo.round = StrSave("-");
9206 /* Parse out names of players */
9207 while (*game == ' ') game++;
9209 while (*game != ' ') *p++ = *game++;
9211 gameInfo.white = StrSave(buf);
9212 while (*game == ' ') game++;
9214 while (*game != ' ' && *game != '\n') *p++ = *game++;
9216 gameInfo.black = StrSave(buf);
9219 boardIndex = blackPlaysFirst ? 1 : 0;
9222 yyboardindex = boardIndex;
9223 moveType = (ChessMove) Myylex();
9225 case IllegalMove: /* maybe suicide chess, etc. */
9226 if (appData.debugMode) {
9227 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9228 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9229 setbuf(debugFP, NULL);
9231 case WhitePromotion:
9232 case BlackPromotion:
9233 case WhiteNonPromotion:
9234 case BlackNonPromotion:
9236 case WhiteCapturesEnPassant:
9237 case BlackCapturesEnPassant:
9238 case WhiteKingSideCastle:
9239 case WhiteQueenSideCastle:
9240 case BlackKingSideCastle:
9241 case BlackQueenSideCastle:
9242 case WhiteKingSideCastleWild:
9243 case WhiteQueenSideCastleWild:
9244 case BlackKingSideCastleWild:
9245 case BlackQueenSideCastleWild:
9247 case WhiteHSideCastleFR:
9248 case WhiteASideCastleFR:
9249 case BlackHSideCastleFR:
9250 case BlackASideCastleFR:
9252 fromX = currentMoveString[0] - AAA;
9253 fromY = currentMoveString[1] - ONE;
9254 toX = currentMoveString[2] - AAA;
9255 toY = currentMoveString[3] - ONE;
9256 promoChar = currentMoveString[4];
9260 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9261 fromX = moveType == WhiteDrop ?
9262 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9263 (int) CharToPiece(ToLower(currentMoveString[0]));
9265 toX = currentMoveString[2] - AAA;
9266 toY = currentMoveString[3] - ONE;
9267 promoChar = NULLCHAR;
9271 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9272 if (appData.debugMode) {
9273 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9274 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9275 setbuf(debugFP, NULL);
9277 DisplayError(buf, 0);
9279 case ImpossibleMove:
9281 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9282 if (appData.debugMode) {
9283 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9284 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9285 setbuf(debugFP, NULL);
9287 DisplayError(buf, 0);
9290 if (boardIndex < backwardMostMove) {
9291 /* Oops, gap. How did that happen? */
9292 DisplayError(_("Gap in move list"), 0);
9295 backwardMostMove = blackPlaysFirst ? 1 : 0;
9296 if (boardIndex > forwardMostMove) {
9297 forwardMostMove = boardIndex;
9301 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9302 strcat(parseList[boardIndex-1], " ");
9303 strcat(parseList[boardIndex-1], yy_text);
9315 case GameUnfinished:
9316 if (gameMode == IcsExamining) {
9317 if (boardIndex < backwardMostMove) {
9318 /* Oops, gap. How did that happen? */
9321 backwardMostMove = blackPlaysFirst ? 1 : 0;
9324 gameInfo.result = moveType;
9325 p = strchr(yy_text, '{');
9326 if (p == NULL) p = strchr(yy_text, '(');
9329 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9331 q = strchr(p, *p == '{' ? '}' : ')');
9332 if (q != NULL) *q = NULLCHAR;
9335 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9336 gameInfo.resultDetails = StrSave(p);
9339 if (boardIndex >= forwardMostMove &&
9340 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9341 backwardMostMove = blackPlaysFirst ? 1 : 0;
9344 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9345 fromY, fromX, toY, toX, promoChar,
9346 parseList[boardIndex]);
9347 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9348 /* currentMoveString is set as a side-effect of yylex */
9349 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9350 strcat(moveList[boardIndex], "\n");
9352 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9353 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9359 if(gameInfo.variant != VariantShogi)
9360 strcat(parseList[boardIndex - 1], "+");
9364 strcat(parseList[boardIndex - 1], "#");
9371 /* Apply a move to the given board */
9373 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9375 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9376 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9378 /* [HGM] compute & store e.p. status and castling rights for new position */
9379 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9381 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9382 oldEP = (signed char)board[EP_STATUS];
9383 board[EP_STATUS] = EP_NONE;
9385 if (fromY == DROP_RANK) {
9387 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9388 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9391 piece = board[toY][toX] = (ChessSquare) fromX;
9395 if( board[toY][toX] != EmptySquare )
9396 board[EP_STATUS] = EP_CAPTURE;
9398 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9399 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9400 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9402 if( board[fromY][fromX] == WhitePawn ) {
9403 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9404 board[EP_STATUS] = EP_PAWN_MOVE;
9406 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9407 gameInfo.variant != VariantBerolina || toX < fromX)
9408 board[EP_STATUS] = toX | berolina;
9409 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9410 gameInfo.variant != VariantBerolina || toX > fromX)
9411 board[EP_STATUS] = toX;
9414 if( board[fromY][fromX] == BlackPawn ) {
9415 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9416 board[EP_STATUS] = EP_PAWN_MOVE;
9417 if( toY-fromY== -2) {
9418 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9419 gameInfo.variant != VariantBerolina || toX < fromX)
9420 board[EP_STATUS] = toX | berolina;
9421 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9422 gameInfo.variant != VariantBerolina || toX > fromX)
9423 board[EP_STATUS] = toX;
9427 for(i=0; i<nrCastlingRights; i++) {
9428 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9429 board[CASTLING][i] == toX && castlingRank[i] == toY
9430 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9433 if(gameInfo.variant == VariantSChess) { // update virginity
9434 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9435 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9436 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9437 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9440 if (fromX == toX && fromY == toY) return;
9442 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9443 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9444 if(gameInfo.variant == VariantKnightmate)
9445 king += (int) WhiteUnicorn - (int) WhiteKing;
9447 /* Code added by Tord: */
9448 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9449 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9450 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9451 board[fromY][fromX] = EmptySquare;
9452 board[toY][toX] = EmptySquare;
9453 if((toX > fromX) != (piece == WhiteRook)) {
9454 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9456 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9458 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9459 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9460 board[fromY][fromX] = EmptySquare;
9461 board[toY][toX] = EmptySquare;
9462 if((toX > fromX) != (piece == BlackRook)) {
9463 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9465 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9467 /* End of code added by Tord */
9469 } else if (board[fromY][fromX] == king
9470 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9471 && toY == fromY && toX > fromX+1) {
9472 board[fromY][fromX] = EmptySquare;
9473 board[toY][toX] = king;
9474 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9475 board[fromY][BOARD_RGHT-1] = EmptySquare;
9476 } else if (board[fromY][fromX] == king
9477 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9478 && toY == fromY && toX < fromX-1) {
9479 board[fromY][fromX] = EmptySquare;
9480 board[toY][toX] = king;
9481 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9482 board[fromY][BOARD_LEFT] = EmptySquare;
9483 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9484 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9485 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9487 /* white pawn promotion */
9488 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9489 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9490 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9491 board[fromY][fromX] = EmptySquare;
9492 } else if ((fromY >= BOARD_HEIGHT>>1)
9493 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9495 && gameInfo.variant != VariantXiangqi
9496 && gameInfo.variant != VariantBerolina
9497 && (board[fromY][fromX] == WhitePawn)
9498 && (board[toY][toX] == EmptySquare)) {
9499 board[fromY][fromX] = EmptySquare;
9500 board[toY][toX] = WhitePawn;
9501 captured = board[toY - 1][toX];
9502 board[toY - 1][toX] = EmptySquare;
9503 } else if ((fromY == BOARD_HEIGHT-4)
9505 && gameInfo.variant == VariantBerolina
9506 && (board[fromY][fromX] == WhitePawn)
9507 && (board[toY][toX] == EmptySquare)) {
9508 board[fromY][fromX] = EmptySquare;
9509 board[toY][toX] = WhitePawn;
9510 if(oldEP & EP_BEROLIN_A) {
9511 captured = board[fromY][fromX-1];
9512 board[fromY][fromX-1] = EmptySquare;
9513 }else{ captured = board[fromY][fromX+1];
9514 board[fromY][fromX+1] = EmptySquare;
9516 } else if (board[fromY][fromX] == king
9517 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9518 && toY == fromY && toX > fromX+1) {
9519 board[fromY][fromX] = EmptySquare;
9520 board[toY][toX] = king;
9521 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9522 board[fromY][BOARD_RGHT-1] = EmptySquare;
9523 } else if (board[fromY][fromX] == king
9524 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9525 && toY == fromY && toX < fromX-1) {
9526 board[fromY][fromX] = EmptySquare;
9527 board[toY][toX] = king;
9528 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9529 board[fromY][BOARD_LEFT] = EmptySquare;
9530 } else if (fromY == 7 && fromX == 3
9531 && board[fromY][fromX] == BlackKing
9532 && toY == 7 && toX == 5) {
9533 board[fromY][fromX] = EmptySquare;
9534 board[toY][toX] = BlackKing;
9535 board[fromY][7] = EmptySquare;
9536 board[toY][4] = BlackRook;
9537 } else if (fromY == 7 && fromX == 3
9538 && board[fromY][fromX] == BlackKing
9539 && toY == 7 && toX == 1) {
9540 board[fromY][fromX] = EmptySquare;
9541 board[toY][toX] = BlackKing;
9542 board[fromY][0] = EmptySquare;
9543 board[toY][2] = BlackRook;
9544 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9545 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9546 && toY < promoRank && promoChar
9548 /* black pawn promotion */
9549 board[toY][toX] = CharToPiece(ToLower(promoChar));
9550 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9551 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9552 board[fromY][fromX] = EmptySquare;
9553 } else if ((fromY < BOARD_HEIGHT>>1)
9554 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9556 && gameInfo.variant != VariantXiangqi
9557 && gameInfo.variant != VariantBerolina
9558 && (board[fromY][fromX] == BlackPawn)
9559 && (board[toY][toX] == EmptySquare)) {
9560 board[fromY][fromX] = EmptySquare;
9561 board[toY][toX] = BlackPawn;
9562 captured = board[toY + 1][toX];
9563 board[toY + 1][toX] = EmptySquare;
9564 } else if ((fromY == 3)
9566 && gameInfo.variant == VariantBerolina
9567 && (board[fromY][fromX] == BlackPawn)
9568 && (board[toY][toX] == EmptySquare)) {
9569 board[fromY][fromX] = EmptySquare;
9570 board[toY][toX] = BlackPawn;
9571 if(oldEP & EP_BEROLIN_A) {
9572 captured = board[fromY][fromX-1];
9573 board[fromY][fromX-1] = EmptySquare;
9574 }else{ captured = board[fromY][fromX+1];
9575 board[fromY][fromX+1] = EmptySquare;
9578 board[toY][toX] = board[fromY][fromX];
9579 board[fromY][fromX] = EmptySquare;
9583 if (gameInfo.holdingsWidth != 0) {
9585 /* !!A lot more code needs to be written to support holdings */
9586 /* [HGM] OK, so I have written it. Holdings are stored in the */
9587 /* penultimate board files, so they are automaticlly stored */
9588 /* in the game history. */
9589 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9590 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9591 /* Delete from holdings, by decreasing count */
9592 /* and erasing image if necessary */
9593 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9594 if(p < (int) BlackPawn) { /* white drop */
9595 p -= (int)WhitePawn;
9596 p = PieceToNumber((ChessSquare)p);
9597 if(p >= gameInfo.holdingsSize) p = 0;
9598 if(--board[p][BOARD_WIDTH-2] <= 0)
9599 board[p][BOARD_WIDTH-1] = EmptySquare;
9600 if((int)board[p][BOARD_WIDTH-2] < 0)
9601 board[p][BOARD_WIDTH-2] = 0;
9602 } else { /* black drop */
9603 p -= (int)BlackPawn;
9604 p = PieceToNumber((ChessSquare)p);
9605 if(p >= gameInfo.holdingsSize) p = 0;
9606 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9607 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9608 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9609 board[BOARD_HEIGHT-1-p][1] = 0;
9612 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9613 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9614 /* [HGM] holdings: Add to holdings, if holdings exist */
9615 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9616 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9617 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9620 if (p >= (int) BlackPawn) {
9621 p -= (int)BlackPawn;
9622 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9623 /* in Shogi restore piece to its original first */
9624 captured = (ChessSquare) (DEMOTED captured);
9627 p = PieceToNumber((ChessSquare)p);
9628 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9629 board[p][BOARD_WIDTH-2]++;
9630 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9632 p -= (int)WhitePawn;
9633 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9634 captured = (ChessSquare) (DEMOTED captured);
9637 p = PieceToNumber((ChessSquare)p);
9638 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9639 board[BOARD_HEIGHT-1-p][1]++;
9640 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9643 } else if (gameInfo.variant == VariantAtomic) {
9644 if (captured != EmptySquare) {
9646 for (y = toY-1; y <= toY+1; y++) {
9647 for (x = toX-1; x <= toX+1; x++) {
9648 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9649 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9650 board[y][x] = EmptySquare;
9654 board[toY][toX] = EmptySquare;
9657 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9658 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9660 if(promoChar == '+') {
9661 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9662 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9663 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9664 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9665 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9666 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9667 board[toY][toX] = newPiece;
9669 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9670 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9671 // [HGM] superchess: take promotion piece out of holdings
9672 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9673 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9674 if(!--board[k][BOARD_WIDTH-2])
9675 board[k][BOARD_WIDTH-1] = EmptySquare;
9677 if(!--board[BOARD_HEIGHT-1-k][1])
9678 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9684 /* Updates forwardMostMove */
9686 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9688 // forwardMostMove++; // [HGM] bare: moved downstream
9690 (void) CoordsToAlgebraic(boards[forwardMostMove],
9691 PosFlags(forwardMostMove),
9692 fromY, fromX, toY, toX, promoChar,
9693 parseList[forwardMostMove]);
9695 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9696 int timeLeft; static int lastLoadFlag=0; int king, piece;
9697 piece = boards[forwardMostMove][fromY][fromX];
9698 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9699 if(gameInfo.variant == VariantKnightmate)
9700 king += (int) WhiteUnicorn - (int) WhiteKing;
9701 if(forwardMostMove == 0) {
9702 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9703 fprintf(serverMoves, "%s;", UserName());
9704 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9705 fprintf(serverMoves, "%s;", second.tidy);
9706 fprintf(serverMoves, "%s;", first.tidy);
9707 if(gameMode == MachinePlaysWhite)
9708 fprintf(serverMoves, "%s;", UserName());
9709 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9710 fprintf(serverMoves, "%s;", second.tidy);
9711 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9712 lastLoadFlag = loadFlag;
9714 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9715 // print castling suffix
9716 if( toY == fromY && piece == king ) {
9718 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9720 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9723 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9724 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9725 boards[forwardMostMove][toY][toX] == EmptySquare
9726 && fromX != toX && fromY != toY)
9727 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9729 if(promoChar != NULLCHAR) {
9730 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9731 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9732 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9733 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9736 char buf[MOVE_LEN*2], *p; int len;
9737 fprintf(serverMoves, "/%d/%d",
9738 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9739 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9740 else timeLeft = blackTimeRemaining/1000;
9741 fprintf(serverMoves, "/%d", timeLeft);
9742 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9743 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9744 if(p = strchr(buf, '=')) *p = NULLCHAR;
9745 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9746 fprintf(serverMoves, "/%s", buf);
9748 fflush(serverMoves);
9751 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9752 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9755 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9756 if (commentList[forwardMostMove+1] != NULL) {
9757 free(commentList[forwardMostMove+1]);
9758 commentList[forwardMostMove+1] = NULL;
9760 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9761 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9762 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9763 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9764 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9765 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9766 adjustedClock = FALSE;
9767 gameInfo.result = GameUnfinished;
9768 if (gameInfo.resultDetails != NULL) {
9769 free(gameInfo.resultDetails);
9770 gameInfo.resultDetails = NULL;
9772 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9773 moveList[forwardMostMove - 1]);
9774 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9780 if(gameInfo.variant != VariantShogi)
9781 strcat(parseList[forwardMostMove - 1], "+");
9785 strcat(parseList[forwardMostMove - 1], "#");
9791 /* Updates currentMove if not pausing */
9793 ShowMove (int fromX, int fromY, int toX, int toY)
9795 int instant = (gameMode == PlayFromGameFile) ?
9796 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9797 if(appData.noGUI) return;
9798 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9800 if (forwardMostMove == currentMove + 1) {
9801 AnimateMove(boards[forwardMostMove - 1],
9802 fromX, fromY, toX, toY);
9805 currentMove = forwardMostMove;
9808 if (instant) return;
9810 DisplayMove(currentMove - 1);
9811 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9812 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9813 SetHighlights(fromX, fromY, toX, toY);
9816 DrawPosition(FALSE, boards[currentMove]);
9817 DisplayBothClocks();
9818 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9822 SendEgtPath (ChessProgramState *cps)
9823 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9824 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9826 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9829 char c, *q = name+1, *r, *s;
9831 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9832 while(*p && *p != ',') *q++ = *p++;
9834 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9835 strcmp(name, ",nalimov:") == 0 ) {
9836 // take nalimov path from the menu-changeable option first, if it is defined
9837 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9838 SendToProgram(buf,cps); // send egtbpath command for nalimov
9840 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9841 (s = StrStr(appData.egtFormats, name)) != NULL) {
9842 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9843 s = r = StrStr(s, ":") + 1; // beginning of path info
9844 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9845 c = *r; *r = 0; // temporarily null-terminate path info
9846 *--q = 0; // strip of trailig ':' from name
9847 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9849 SendToProgram(buf,cps); // send egtbpath command for this format
9851 if(*p == ',') p++; // read away comma to position for next format name
9856 NonStandardBoardSize ()
9858 /* [HGM] Awkward testing. Should really be a table */
9859 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9860 if( gameInfo.variant == VariantXiangqi )
9861 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9862 if( gameInfo.variant == VariantShogi )
9863 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9864 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9865 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9866 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9867 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9868 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9869 if( gameInfo.variant == VariantCourier )
9870 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9871 if( gameInfo.variant == VariantSuper )
9872 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9873 if( gameInfo.variant == VariantGreat )
9874 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9875 if( gameInfo.variant == VariantSChess )
9876 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9877 if( gameInfo.variant == VariantGrand )
9878 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9883 InitChessProgram (ChessProgramState *cps, int setup)
9884 /* setup needed to setup FRC opening position */
9886 char buf[MSG_SIZ], b[MSG_SIZ];
9887 if (appData.noChessProgram) return;
9888 hintRequested = FALSE;
9889 bookRequested = FALSE;
9891 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9892 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9893 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9894 if(cps->memSize) { /* [HGM] memory */
9895 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9896 SendToProgram(buf, cps);
9898 SendEgtPath(cps); /* [HGM] EGT */
9899 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9900 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9901 SendToProgram(buf, cps);
9904 SendToProgram(cps->initString, cps);
9905 if (gameInfo.variant != VariantNormal &&
9906 gameInfo.variant != VariantLoadable
9907 /* [HGM] also send variant if board size non-standard */
9908 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9910 char *v = VariantName(gameInfo.variant);
9911 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9912 /* [HGM] in protocol 1 we have to assume all variants valid */
9913 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9914 DisplayFatalError(buf, 0, 1);
9918 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
9919 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9920 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9921 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9922 if(StrStr(cps->variants, b) == NULL) {
9923 // specific sized variant not known, check if general sizing allowed
9924 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9925 if(StrStr(cps->variants, "boardsize") == NULL) {
9926 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9927 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9928 DisplayFatalError(buf, 0, 1);
9931 /* [HGM] here we really should compare with the maximum supported board size */
9934 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9935 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9936 SendToProgram(buf, cps);
9938 currentlyInitializedVariant = gameInfo.variant;
9940 /* [HGM] send opening position in FRC to first engine */
9942 SendToProgram("force\n", cps);
9944 /* engine is now in force mode! Set flag to wake it up after first move. */
9945 setboardSpoiledMachineBlack = 1;
9949 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9950 SendToProgram(buf, cps);
9952 cps->maybeThinking = FALSE;
9953 cps->offeredDraw = 0;
9954 if (!appData.icsActive) {
9955 SendTimeControl(cps, movesPerSession, timeControl,
9956 timeIncrement, appData.searchDepth,
9959 if (appData.showThinking
9960 // [HGM] thinking: four options require thinking output to be sent
9961 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9963 SendToProgram("post\n", cps);
9965 SendToProgram("hard\n", cps);
9966 if (!appData.ponderNextMove) {
9967 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9968 it without being sure what state we are in first. "hard"
9969 is not a toggle, so that one is OK.
9971 SendToProgram("easy\n", cps);
9974 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9975 SendToProgram(buf, cps);
9977 cps->initDone = TRUE;
9978 ClearEngineOutputPane(cps == &second);
9983 ResendOptions (ChessProgramState *cps)
9984 { // send the stored value of the options
9987 Option *opt = cps->option;
9988 for(i=0; i<cps->nrOptions; i++, opt++) {
9993 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
9996 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
9999 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10005 SendToProgram(buf, cps);
10010 StartChessProgram (ChessProgramState *cps)
10015 if (appData.noChessProgram) return;
10016 cps->initDone = FALSE;
10018 if (strcmp(cps->host, "localhost") == 0) {
10019 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10020 } else if (*appData.remoteShell == NULLCHAR) {
10021 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10023 if (*appData.remoteUser == NULLCHAR) {
10024 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10027 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10028 cps->host, appData.remoteUser, cps->program);
10030 err = StartChildProcess(buf, "", &cps->pr);
10034 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10035 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10036 if(cps != &first) return;
10037 appData.noChessProgram = TRUE;
10040 // DisplayFatalError(buf, err, 1);
10041 // cps->pr = NoProc;
10042 // cps->isr = NULL;
10046 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10047 if (cps->protocolVersion > 1) {
10048 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10049 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10050 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10051 cps->comboCnt = 0; // and values of combo boxes
10053 SendToProgram(buf, cps);
10054 if(cps->reload) ResendOptions(cps);
10056 SendToProgram("xboard\n", cps);
10061 TwoMachinesEventIfReady P((void))
10063 static int curMess = 0;
10064 if (first.lastPing != first.lastPong) {
10065 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10066 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10069 if (second.lastPing != second.lastPong) {
10070 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10071 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10074 DisplayMessage("", ""); curMess = 0;
10075 TwoMachinesEvent();
10079 MakeName (char *template)
10083 static char buf[MSG_SIZ];
10087 clock = time((time_t *)NULL);
10088 tm = localtime(&clock);
10090 while(*p++ = *template++) if(p[-1] == '%') {
10091 switch(*template++) {
10092 case 0: *p = 0; return buf;
10093 case 'Y': i = tm->tm_year+1900; break;
10094 case 'y': i = tm->tm_year-100; break;
10095 case 'M': i = tm->tm_mon+1; break;
10096 case 'd': i = tm->tm_mday; break;
10097 case 'h': i = tm->tm_hour; break;
10098 case 'm': i = tm->tm_min; break;
10099 case 's': i = tm->tm_sec; break;
10102 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10108 CountPlayers (char *p)
10111 while(p = strchr(p, '\n')) p++, n++; // count participants
10116 WriteTourneyFile (char *results, FILE *f)
10117 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10118 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10119 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10120 // create a file with tournament description
10121 fprintf(f, "-participants {%s}\n", appData.participants);
10122 fprintf(f, "-seedBase %d\n", appData.seedBase);
10123 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10124 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10125 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10126 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10127 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10128 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10129 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10130 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10131 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10132 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10133 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10134 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10135 fprintf(f, "-polyglotBook %s\n", appData.polyglotBook);
10136 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10137 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10138 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10139 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10140 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10141 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10142 fprintf(f, "-smpCores %d\n", appData.smpCores);
10144 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10146 fprintf(f, "-mps %d\n", appData.movesPerSession);
10147 fprintf(f, "-tc %s\n", appData.timeControl);
10148 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10150 fprintf(f, "-results \"%s\"\n", results);
10155 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10158 Substitute (char *participants, int expunge)
10160 int i, changed, changes=0, nPlayers=0;
10161 char *p, *q, *r, buf[MSG_SIZ];
10162 if(participants == NULL) return;
10163 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10164 r = p = participants; q = appData.participants;
10165 while(*p && *p == *q) {
10166 if(*p == '\n') r = p+1, nPlayers++;
10169 if(*p) { // difference
10170 while(*p && *p++ != '\n');
10171 while(*q && *q++ != '\n');
10172 changed = nPlayers;
10173 changes = 1 + (strcmp(p, q) != 0);
10175 if(changes == 1) { // a single engine mnemonic was changed
10176 q = r; while(*q) nPlayers += (*q++ == '\n');
10177 p = buf; while(*r && (*p = *r++) != '\n') p++;
10179 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10180 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10181 if(mnemonic[i]) { // The substitute is valid
10183 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10184 flock(fileno(f), LOCK_EX);
10185 ParseArgsFromFile(f);
10186 fseek(f, 0, SEEK_SET);
10187 FREE(appData.participants); appData.participants = participants;
10188 if(expunge) { // erase results of replaced engine
10189 int len = strlen(appData.results), w, b, dummy;
10190 for(i=0; i<len; i++) {
10191 Pairing(i, nPlayers, &w, &b, &dummy);
10192 if((w == changed || b == changed) && appData.results[i] == '*') {
10193 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10198 for(i=0; i<len; i++) {
10199 Pairing(i, nPlayers, &w, &b, &dummy);
10200 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10203 WriteTourneyFile(appData.results, f);
10204 fclose(f); // release lock
10207 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10209 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10210 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10211 free(participants);
10216 CheckPlayers (char *participants)
10219 char buf[MSG_SIZ], *p;
10220 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10221 while(p = strchr(participants, '\n')) {
10223 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10225 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10227 DisplayError(buf, 0);
10231 participants = p + 1;
10237 CreateTourney (char *name)
10240 if(matchMode && strcmp(name, appData.tourneyFile)) {
10241 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10243 if(name[0] == NULLCHAR) {
10244 if(appData.participants[0])
10245 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10248 f = fopen(name, "r");
10249 if(f) { // file exists
10250 ASSIGN(appData.tourneyFile, name);
10251 ParseArgsFromFile(f); // parse it
10253 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10254 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10255 DisplayError(_("Not enough participants"), 0);
10258 if(CheckPlayers(appData.participants)) return 0;
10259 ASSIGN(appData.tourneyFile, name);
10260 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10261 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10264 appData.noChessProgram = FALSE;
10265 appData.clockMode = TRUE;
10271 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10273 char buf[MSG_SIZ], *p, *q;
10274 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10275 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10276 skip = !all && group[0]; // if group requested, we start in skip mode
10277 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10278 p = names; q = buf; header = 0;
10279 while(*p && *p != '\n') *q++ = *p++;
10281 if(*p == '\n') p++;
10282 if(buf[0] == '#') {
10283 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10284 depth++; // we must be entering a new group
10285 if(all) continue; // suppress printing group headers when complete list requested
10287 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10289 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10290 if(engineList[i]) free(engineList[i]);
10291 engineList[i] = strdup(buf);
10292 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10293 if(engineMnemonic[i]) free(engineMnemonic[i]);
10294 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10296 sscanf(q + 8, "%s", buf + strlen(buf));
10299 engineMnemonic[i] = strdup(buf);
10302 engineList[i] = engineMnemonic[i] = NULL;
10306 // following implemented as macro to avoid type limitations
10307 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10310 SwapEngines (int n)
10311 { // swap settings for first engine and other engine (so far only some selected options)
10316 SWAP(chessProgram, p)
10318 SWAP(hasOwnBookUCI, h)
10319 SWAP(protocolVersion, h)
10321 SWAP(scoreIsAbsolute, h)
10326 SWAP(engOptions, p)
10327 SWAP(engInitString, p)
10328 SWAP(computerString, p)
10330 SWAP(fenOverride, p)
10332 SWAP(accumulateTC, h)
10337 GetEngineLine (char *s, int n)
10341 extern char *icsNames;
10342 if(!s || !*s) return 0;
10343 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10344 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10345 if(!mnemonic[i]) return 0;
10346 if(n == 11) return 1; // just testing if there was a match
10347 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10348 if(n == 1) SwapEngines(n);
10349 ParseArgsFromString(buf);
10350 if(n == 1) SwapEngines(n);
10351 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10352 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10353 ParseArgsFromString(buf);
10359 SetPlayer (int player, char *p)
10360 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10362 char buf[MSG_SIZ], *engineName;
10363 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10364 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10365 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10367 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10368 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10369 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10370 ParseArgsFromString(buf);
10371 } else { // no engine with this nickname is installed!
10372 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10373 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10374 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10376 DisplayError(buf, 0);
10383 char *recentEngines;
10386 RecentEngineEvent (int nr)
10389 // SwapEngines(1); // bump first to second
10390 // ReplaceEngine(&second, 1); // and load it there
10391 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10392 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10393 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10394 ReplaceEngine(&first, 0);
10395 FloatToFront(&appData.recentEngineList, command[n]);
10400 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10401 { // determine players from game number
10402 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10404 if(appData.tourneyType == 0) {
10405 roundsPerCycle = (nPlayers - 1) | 1;
10406 pairingsPerRound = nPlayers / 2;
10407 } else if(appData.tourneyType > 0) {
10408 roundsPerCycle = nPlayers - appData.tourneyType;
10409 pairingsPerRound = appData.tourneyType;
10411 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10412 gamesPerCycle = gamesPerRound * roundsPerCycle;
10413 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10414 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10415 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10416 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10417 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10418 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10420 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10421 if(appData.roundSync) *syncInterval = gamesPerRound;
10423 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10425 if(appData.tourneyType == 0) {
10426 if(curPairing == (nPlayers-1)/2 ) {
10427 *whitePlayer = curRound;
10428 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10430 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10431 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10432 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10433 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10435 } else if(appData.tourneyType > 1) {
10436 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10437 *whitePlayer = curRound + appData.tourneyType;
10438 } else if(appData.tourneyType > 0) {
10439 *whitePlayer = curPairing;
10440 *blackPlayer = curRound + appData.tourneyType;
10443 // take care of white/black alternation per round.
10444 // For cycles and games this is already taken care of by default, derived from matchGame!
10445 return curRound & 1;
10449 NextTourneyGame (int nr, int *swapColors)
10450 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10452 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10454 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10455 tf = fopen(appData.tourneyFile, "r");
10456 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10457 ParseArgsFromFile(tf); fclose(tf);
10458 InitTimeControls(); // TC might be altered from tourney file
10460 nPlayers = CountPlayers(appData.participants); // count participants
10461 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10462 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10465 p = q = appData.results;
10466 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10467 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10468 DisplayMessage(_("Waiting for other game(s)"),"");
10469 waitingForGame = TRUE;
10470 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10473 waitingForGame = FALSE;
10476 if(appData.tourneyType < 0) {
10477 if(nr>=0 && !pairingReceived) {
10479 if(pairing.pr == NoProc) {
10480 if(!appData.pairingEngine[0]) {
10481 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10484 StartChessProgram(&pairing); // starts the pairing engine
10486 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10487 SendToProgram(buf, &pairing);
10488 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10489 SendToProgram(buf, &pairing);
10490 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10492 pairingReceived = 0; // ... so we continue here
10494 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10495 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10496 matchGame = 1; roundNr = nr / syncInterval + 1;
10499 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10501 // redefine engines, engine dir, etc.
10502 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10503 if(first.pr == NoProc) {
10504 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10505 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10507 if(second.pr == NoProc) {
10509 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10510 SwapEngines(1); // and make that valid for second engine by swapping
10511 InitEngine(&second, 1);
10513 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10514 UpdateLogos(FALSE); // leave display to ModeHiglight()
10520 { // performs game initialization that does not invoke engines, and then tries to start the game
10521 int res, firstWhite, swapColors = 0;
10522 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10523 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
10525 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10526 if(strcmp(buf, currentDebugFile)) { // name has changed
10527 FILE *f = fopen(buf, "w");
10528 if(f) { // if opening the new file failed, just keep using the old one
10529 ASSIGN(currentDebugFile, buf);
10533 if(appData.serverFileName) {
10534 if(serverFP) fclose(serverFP);
10535 serverFP = fopen(appData.serverFileName, "w");
10536 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10537 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10541 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10542 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10543 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10544 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10545 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10546 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10547 Reset(FALSE, first.pr != NoProc);
10548 res = LoadGameOrPosition(matchGame); // setup game
10549 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10550 if(!res) return; // abort when bad game/pos file
10551 TwoMachinesEvent();
10555 UserAdjudicationEvent (int result)
10557 ChessMove gameResult = GameIsDrawn;
10560 gameResult = WhiteWins;
10562 else if( result < 0 ) {
10563 gameResult = BlackWins;
10566 if( gameMode == TwoMachinesPlay ) {
10567 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10572 // [HGM] save: calculate checksum of game to make games easily identifiable
10574 StringCheckSum (char *s)
10577 if(s==NULL) return 0;
10578 while(*s) i = i*259 + *s++;
10586 for(i=backwardMostMove; i<forwardMostMove; i++) {
10587 sum += pvInfoList[i].depth;
10588 sum += StringCheckSum(parseList[i]);
10589 sum += StringCheckSum(commentList[i]);
10592 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10593 return sum + StringCheckSum(commentList[i]);
10594 } // end of save patch
10597 GameEnds (ChessMove result, char *resultDetails, int whosays)
10599 GameMode nextGameMode;
10601 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10603 if(endingGame) return; /* [HGM] crash: forbid recursion */
10605 if(twoBoards) { // [HGM] dual: switch back to one board
10606 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10607 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10609 if (appData.debugMode) {
10610 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10611 result, resultDetails ? resultDetails : "(null)", whosays);
10614 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10616 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10618 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10619 /* If we are playing on ICS, the server decides when the
10620 game is over, but the engine can offer to draw, claim
10624 if (appData.zippyPlay && first.initDone) {
10625 if (result == GameIsDrawn) {
10626 /* In case draw still needs to be claimed */
10627 SendToICS(ics_prefix);
10628 SendToICS("draw\n");
10629 } else if (StrCaseStr(resultDetails, "resign")) {
10630 SendToICS(ics_prefix);
10631 SendToICS("resign\n");
10635 endingGame = 0; /* [HGM] crash */
10639 /* If we're loading the game from a file, stop */
10640 if (whosays == GE_FILE) {
10641 (void) StopLoadGameTimer();
10645 /* Cancel draw offers */
10646 first.offeredDraw = second.offeredDraw = 0;
10648 /* If this is an ICS game, only ICS can really say it's done;
10649 if not, anyone can. */
10650 isIcsGame = (gameMode == IcsPlayingWhite ||
10651 gameMode == IcsPlayingBlack ||
10652 gameMode == IcsObserving ||
10653 gameMode == IcsExamining);
10655 if (!isIcsGame || whosays == GE_ICS) {
10656 /* OK -- not an ICS game, or ICS said it was done */
10658 if (!isIcsGame && !appData.noChessProgram)
10659 SetUserThinkingEnables();
10661 /* [HGM] if a machine claims the game end we verify this claim */
10662 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10663 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10665 ChessMove trueResult = (ChessMove) -1;
10667 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10668 first.twoMachinesColor[0] :
10669 second.twoMachinesColor[0] ;
10671 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10672 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10673 /* [HGM] verify: engine mate claims accepted if they were flagged */
10674 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10676 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10677 /* [HGM] verify: engine mate claims accepted if they were flagged */
10678 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10680 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10681 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10684 // now verify win claims, but not in drop games, as we don't understand those yet
10685 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10686 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10687 (result == WhiteWins && claimer == 'w' ||
10688 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10689 if (appData.debugMode) {
10690 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10691 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10693 if(result != trueResult) {
10694 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10695 result = claimer == 'w' ? BlackWins : WhiteWins;
10696 resultDetails = buf;
10699 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10700 && (forwardMostMove <= backwardMostMove ||
10701 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10702 (claimer=='b')==(forwardMostMove&1))
10704 /* [HGM] verify: draws that were not flagged are false claims */
10705 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10706 result = claimer == 'w' ? BlackWins : WhiteWins;
10707 resultDetails = buf;
10709 /* (Claiming a loss is accepted no questions asked!) */
10710 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10711 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10712 result = GameUnfinished;
10713 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10715 /* [HGM] bare: don't allow bare King to win */
10716 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10717 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10718 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10719 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10720 && result != GameIsDrawn)
10721 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10722 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10723 int p = (signed char)boards[forwardMostMove][i][j] - color;
10724 if(p >= 0 && p <= (int)WhiteKing) k++;
10726 if (appData.debugMode) {
10727 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10728 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10731 result = GameIsDrawn;
10732 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10733 resultDetails = buf;
10739 if(serverMoves != NULL && !loadFlag) { char c = '=';
10740 if(result==WhiteWins) c = '+';
10741 if(result==BlackWins) c = '-';
10742 if(resultDetails != NULL)
10743 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10745 if (resultDetails != NULL) {
10746 gameInfo.result = result;
10747 gameInfo.resultDetails = StrSave(resultDetails);
10749 /* display last move only if game was not loaded from file */
10750 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10751 DisplayMove(currentMove - 1);
10753 if (forwardMostMove != 0) {
10754 if (gameMode != PlayFromGameFile && gameMode != EditGame
10755 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10757 if (*appData.saveGameFile != NULLCHAR) {
10758 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10759 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10761 SaveGameToFile(appData.saveGameFile, TRUE);
10762 } else if (appData.autoSaveGames) {
10763 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10765 if (*appData.savePositionFile != NULLCHAR) {
10766 SavePositionToFile(appData.savePositionFile);
10768 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10772 /* Tell program how game ended in case it is learning */
10773 /* [HGM] Moved this to after saving the PGN, just in case */
10774 /* engine died and we got here through time loss. In that */
10775 /* case we will get a fatal error writing the pipe, which */
10776 /* would otherwise lose us the PGN. */
10777 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10778 /* output during GameEnds should never be fatal anymore */
10779 if (gameMode == MachinePlaysWhite ||
10780 gameMode == MachinePlaysBlack ||
10781 gameMode == TwoMachinesPlay ||
10782 gameMode == IcsPlayingWhite ||
10783 gameMode == IcsPlayingBlack ||
10784 gameMode == BeginningOfGame) {
10786 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10788 if (first.pr != NoProc) {
10789 SendToProgram(buf, &first);
10791 if (second.pr != NoProc &&
10792 gameMode == TwoMachinesPlay) {
10793 SendToProgram(buf, &second);
10798 if (appData.icsActive) {
10799 if (appData.quietPlay &&
10800 (gameMode == IcsPlayingWhite ||
10801 gameMode == IcsPlayingBlack)) {
10802 SendToICS(ics_prefix);
10803 SendToICS("set shout 1\n");
10805 nextGameMode = IcsIdle;
10806 ics_user_moved = FALSE;
10807 /* clean up premove. It's ugly when the game has ended and the
10808 * premove highlights are still on the board.
10811 gotPremove = FALSE;
10812 ClearPremoveHighlights();
10813 DrawPosition(FALSE, boards[currentMove]);
10815 if (whosays == GE_ICS) {
10818 if (gameMode == IcsPlayingWhite)
10820 else if(gameMode == IcsPlayingBlack)
10821 PlayIcsLossSound();
10824 if (gameMode == IcsPlayingBlack)
10826 else if(gameMode == IcsPlayingWhite)
10827 PlayIcsLossSound();
10830 PlayIcsDrawSound();
10833 PlayIcsUnfinishedSound();
10836 } else if (gameMode == EditGame ||
10837 gameMode == PlayFromGameFile ||
10838 gameMode == AnalyzeMode ||
10839 gameMode == AnalyzeFile) {
10840 nextGameMode = gameMode;
10842 nextGameMode = EndOfGame;
10847 nextGameMode = gameMode;
10850 if (appData.noChessProgram) {
10851 gameMode = nextGameMode;
10853 endingGame = 0; /* [HGM] crash */
10858 /* Put first chess program into idle state */
10859 if (first.pr != NoProc &&
10860 (gameMode == MachinePlaysWhite ||
10861 gameMode == MachinePlaysBlack ||
10862 gameMode == TwoMachinesPlay ||
10863 gameMode == IcsPlayingWhite ||
10864 gameMode == IcsPlayingBlack ||
10865 gameMode == BeginningOfGame)) {
10866 SendToProgram("force\n", &first);
10867 if (first.usePing) {
10869 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10870 SendToProgram(buf, &first);
10873 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10874 /* Kill off first chess program */
10875 if (first.isr != NULL)
10876 RemoveInputSource(first.isr);
10879 if (first.pr != NoProc) {
10881 DoSleep( appData.delayBeforeQuit );
10882 SendToProgram("quit\n", &first);
10883 DoSleep( appData.delayAfterQuit );
10884 DestroyChildProcess(first.pr, first.useSigterm);
10885 first.reload = TRUE;
10889 if (second.reuse) {
10890 /* Put second chess program into idle state */
10891 if (second.pr != NoProc &&
10892 gameMode == TwoMachinesPlay) {
10893 SendToProgram("force\n", &second);
10894 if (second.usePing) {
10896 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10897 SendToProgram(buf, &second);
10900 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10901 /* Kill off second chess program */
10902 if (second.isr != NULL)
10903 RemoveInputSource(second.isr);
10906 if (second.pr != NoProc) {
10907 DoSleep( appData.delayBeforeQuit );
10908 SendToProgram("quit\n", &second);
10909 DoSleep( appData.delayAfterQuit );
10910 DestroyChildProcess(second.pr, second.useSigterm);
10911 second.reload = TRUE;
10913 second.pr = NoProc;
10916 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
10917 char resChar = '=';
10921 if (first.twoMachinesColor[0] == 'w') {
10924 second.matchWins++;
10929 if (first.twoMachinesColor[0] == 'b') {
10932 second.matchWins++;
10935 case GameUnfinished:
10941 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10942 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10943 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10944 ReserveGame(nextGame, resChar); // sets nextGame
10945 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10946 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10947 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10949 if (nextGame <= appData.matchGames && !abortMatch) {
10950 gameMode = nextGameMode;
10951 matchGame = nextGame; // this will be overruled in tourney mode!
10952 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10953 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10954 endingGame = 0; /* [HGM] crash */
10957 gameMode = nextGameMode;
10958 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10959 first.tidy, second.tidy,
10960 first.matchWins, second.matchWins,
10961 appData.matchGames - (first.matchWins + second.matchWins));
10962 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10963 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10964 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10965 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10966 first.twoMachinesColor = "black\n";
10967 second.twoMachinesColor = "white\n";
10969 first.twoMachinesColor = "white\n";
10970 second.twoMachinesColor = "black\n";
10974 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10975 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10977 gameMode = nextGameMode;
10979 endingGame = 0; /* [HGM] crash */
10980 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10981 if(matchMode == TRUE) { // match through command line: exit with or without popup
10983 ToNrEvent(forwardMostMove);
10984 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10986 } else DisplayFatalError(buf, 0, 0);
10987 } else { // match through menu; just stop, with or without popup
10988 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10991 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10992 } else DisplayNote(buf);
10994 if(ranking) free(ranking);
10998 /* Assumes program was just initialized (initString sent).
10999 Leaves program in force mode. */
11001 FeedMovesToProgram (ChessProgramState *cps, int upto)
11005 if (appData.debugMode)
11006 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11007 startedFromSetupPosition ? "position and " : "",
11008 backwardMostMove, upto, cps->which);
11009 if(currentlyInitializedVariant != gameInfo.variant) {
11011 // [HGM] variantswitch: make engine aware of new variant
11012 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11013 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11014 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11015 SendToProgram(buf, cps);
11016 currentlyInitializedVariant = gameInfo.variant;
11018 SendToProgram("force\n", cps);
11019 if (startedFromSetupPosition) {
11020 SendBoard(cps, backwardMostMove);
11021 if (appData.debugMode) {
11022 fprintf(debugFP, "feedMoves\n");
11025 for (i = backwardMostMove; i < upto; i++) {
11026 SendMoveToProgram(i, cps);
11032 ResurrectChessProgram ()
11034 /* The chess program may have exited.
11035 If so, restart it and feed it all the moves made so far. */
11036 static int doInit = 0;
11038 if (appData.noChessProgram) return 1;
11040 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11041 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11042 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11043 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11045 if (first.pr != NoProc) return 1;
11046 StartChessProgram(&first);
11048 InitChessProgram(&first, FALSE);
11049 FeedMovesToProgram(&first, currentMove);
11051 if (!first.sendTime) {
11052 /* can't tell gnuchess what its clock should read,
11053 so we bow to its notion. */
11055 timeRemaining[0][currentMove] = whiteTimeRemaining;
11056 timeRemaining[1][currentMove] = blackTimeRemaining;
11059 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11060 appData.icsEngineAnalyze) && first.analysisSupport) {
11061 SendToProgram("analyze\n", &first);
11062 first.analyzing = TRUE;
11068 * Button procedures
11071 Reset (int redraw, int init)
11075 if (appData.debugMode) {
11076 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11077 redraw, init, gameMode);
11079 CleanupTail(); // [HGM] vari: delete any stored variations
11080 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11081 pausing = pauseExamInvalid = FALSE;
11082 startedFromSetupPosition = blackPlaysFirst = FALSE;
11084 whiteFlag = blackFlag = FALSE;
11085 userOfferedDraw = FALSE;
11086 hintRequested = bookRequested = FALSE;
11087 first.maybeThinking = FALSE;
11088 second.maybeThinking = FALSE;
11089 first.bookSuspend = FALSE; // [HGM] book
11090 second.bookSuspend = FALSE;
11091 thinkOutput[0] = NULLCHAR;
11092 lastHint[0] = NULLCHAR;
11093 ClearGameInfo(&gameInfo);
11094 gameInfo.variant = StringToVariant(appData.variant);
11095 ics_user_moved = ics_clock_paused = FALSE;
11096 ics_getting_history = H_FALSE;
11098 white_holding[0] = black_holding[0] = NULLCHAR;
11099 ClearProgramStats();
11100 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11104 flipView = appData.flipView;
11105 ClearPremoveHighlights();
11106 gotPremove = FALSE;
11107 alarmSounded = FALSE;
11109 GameEnds(EndOfFile, NULL, GE_PLAYER);
11110 if(appData.serverMovesName != NULL) {
11111 /* [HGM] prepare to make moves file for broadcasting */
11112 clock_t t = clock();
11113 if(serverMoves != NULL) fclose(serverMoves);
11114 serverMoves = fopen(appData.serverMovesName, "r");
11115 if(serverMoves != NULL) {
11116 fclose(serverMoves);
11117 /* delay 15 sec before overwriting, so all clients can see end */
11118 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11120 serverMoves = fopen(appData.serverMovesName, "w");
11124 gameMode = BeginningOfGame;
11126 if(appData.icsActive) gameInfo.variant = VariantNormal;
11127 currentMove = forwardMostMove = backwardMostMove = 0;
11128 MarkTargetSquares(1);
11129 InitPosition(redraw);
11130 for (i = 0; i < MAX_MOVES; i++) {
11131 if (commentList[i] != NULL) {
11132 free(commentList[i]);
11133 commentList[i] = NULL;
11137 timeRemaining[0][0] = whiteTimeRemaining;
11138 timeRemaining[1][0] = blackTimeRemaining;
11140 if (first.pr == NoProc) {
11141 StartChessProgram(&first);
11144 InitChessProgram(&first, startedFromSetupPosition);
11147 DisplayMessage("", "");
11148 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11149 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11150 ClearMap(); // [HGM] exclude: invalidate map
11154 AutoPlayGameLoop ()
11157 if (!AutoPlayOneMove())
11159 if (matchMode || appData.timeDelay == 0)
11161 if (appData.timeDelay < 0)
11163 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11171 ReloadGame(1); // next game
11177 int fromX, fromY, toX, toY;
11179 if (appData.debugMode) {
11180 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11183 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11186 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11187 pvInfoList[currentMove].depth = programStats.depth;
11188 pvInfoList[currentMove].score = programStats.score;
11189 pvInfoList[currentMove].time = 0;
11190 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11193 if (currentMove >= forwardMostMove) {
11194 if(gameMode == AnalyzeFile) {
11195 if(appData.loadGameIndex == -1) {
11196 GameEnds(EndOfFile, NULL, GE_FILE);
11197 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11199 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11202 // gameMode = EndOfGame;
11203 // ModeHighlight();
11205 /* [AS] Clear current move marker at the end of a game */
11206 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11211 toX = moveList[currentMove][2] - AAA;
11212 toY = moveList[currentMove][3] - ONE;
11214 if (moveList[currentMove][1] == '@') {
11215 if (appData.highlightLastMove) {
11216 SetHighlights(-1, -1, toX, toY);
11219 fromX = moveList[currentMove][0] - AAA;
11220 fromY = moveList[currentMove][1] - ONE;
11222 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11224 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11226 if (appData.highlightLastMove) {
11227 SetHighlights(fromX, fromY, toX, toY);
11230 DisplayMove(currentMove);
11231 SendMoveToProgram(currentMove++, &first);
11232 DisplayBothClocks();
11233 DrawPosition(FALSE, boards[currentMove]);
11234 // [HGM] PV info: always display, routine tests if empty
11235 DisplayComment(currentMove - 1, commentList[currentMove]);
11241 LoadGameOneMove (ChessMove readAhead)
11243 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11244 char promoChar = NULLCHAR;
11245 ChessMove moveType;
11246 char move[MSG_SIZ];
11249 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11250 gameMode != AnalyzeMode && gameMode != Training) {
11255 yyboardindex = forwardMostMove;
11256 if (readAhead != EndOfFile) {
11257 moveType = readAhead;
11259 if (gameFileFP == NULL)
11261 moveType = (ChessMove) Myylex();
11265 switch (moveType) {
11267 if (appData.debugMode)
11268 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11271 /* append the comment but don't display it */
11272 AppendComment(currentMove, p, FALSE);
11275 case WhiteCapturesEnPassant:
11276 case BlackCapturesEnPassant:
11277 case WhitePromotion:
11278 case BlackPromotion:
11279 case WhiteNonPromotion:
11280 case BlackNonPromotion:
11282 case WhiteKingSideCastle:
11283 case WhiteQueenSideCastle:
11284 case BlackKingSideCastle:
11285 case BlackQueenSideCastle:
11286 case WhiteKingSideCastleWild:
11287 case WhiteQueenSideCastleWild:
11288 case BlackKingSideCastleWild:
11289 case BlackQueenSideCastleWild:
11291 case WhiteHSideCastleFR:
11292 case WhiteASideCastleFR:
11293 case BlackHSideCastleFR:
11294 case BlackASideCastleFR:
11296 if (appData.debugMode)
11297 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11298 fromX = currentMoveString[0] - AAA;
11299 fromY = currentMoveString[1] - ONE;
11300 toX = currentMoveString[2] - AAA;
11301 toY = currentMoveString[3] - ONE;
11302 promoChar = currentMoveString[4];
11307 if (appData.debugMode)
11308 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11309 fromX = moveType == WhiteDrop ?
11310 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11311 (int) CharToPiece(ToLower(currentMoveString[0]));
11313 toX = currentMoveString[2] - AAA;
11314 toY = currentMoveString[3] - ONE;
11320 case GameUnfinished:
11321 if (appData.debugMode)
11322 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11323 p = strchr(yy_text, '{');
11324 if (p == NULL) p = strchr(yy_text, '(');
11327 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11329 q = strchr(p, *p == '{' ? '}' : ')');
11330 if (q != NULL) *q = NULLCHAR;
11333 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11334 GameEnds(moveType, p, GE_FILE);
11336 if (cmailMsgLoaded) {
11338 flipView = WhiteOnMove(currentMove);
11339 if (moveType == GameUnfinished) flipView = !flipView;
11340 if (appData.debugMode)
11341 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11346 if (appData.debugMode)
11347 fprintf(debugFP, "Parser hit end of file\n");
11348 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11354 if (WhiteOnMove(currentMove)) {
11355 GameEnds(BlackWins, "Black mates", GE_FILE);
11357 GameEnds(WhiteWins, "White mates", GE_FILE);
11361 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11367 case MoveNumberOne:
11368 if (lastLoadGameStart == GNUChessGame) {
11369 /* GNUChessGames have numbers, but they aren't move numbers */
11370 if (appData.debugMode)
11371 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11372 yy_text, (int) moveType);
11373 return LoadGameOneMove(EndOfFile); /* tail recursion */
11375 /* else fall thru */
11380 /* Reached start of next game in file */
11381 if (appData.debugMode)
11382 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11383 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11389 if (WhiteOnMove(currentMove)) {
11390 GameEnds(BlackWins, "Black mates", GE_FILE);
11392 GameEnds(WhiteWins, "White mates", GE_FILE);
11396 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11402 case PositionDiagram: /* should not happen; ignore */
11403 case ElapsedTime: /* ignore */
11404 case NAG: /* ignore */
11405 if (appData.debugMode)
11406 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11407 yy_text, (int) moveType);
11408 return LoadGameOneMove(EndOfFile); /* tail recursion */
11411 if (appData.testLegality) {
11412 if (appData.debugMode)
11413 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11414 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11415 (forwardMostMove / 2) + 1,
11416 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11417 DisplayError(move, 0);
11420 if (appData.debugMode)
11421 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11422 yy_text, currentMoveString);
11423 fromX = currentMoveString[0] - AAA;
11424 fromY = currentMoveString[1] - ONE;
11425 toX = currentMoveString[2] - AAA;
11426 toY = currentMoveString[3] - ONE;
11427 promoChar = currentMoveString[4];
11431 case AmbiguousMove:
11432 if (appData.debugMode)
11433 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11434 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11435 (forwardMostMove / 2) + 1,
11436 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11437 DisplayError(move, 0);
11442 case ImpossibleMove:
11443 if (appData.debugMode)
11444 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11445 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11446 (forwardMostMove / 2) + 1,
11447 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11448 DisplayError(move, 0);
11454 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11455 DrawPosition(FALSE, boards[currentMove]);
11456 DisplayBothClocks();
11457 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11458 DisplayComment(currentMove - 1, commentList[currentMove]);
11460 (void) StopLoadGameTimer();
11462 cmailOldMove = forwardMostMove;
11465 /* currentMoveString is set as a side-effect of yylex */
11467 thinkOutput[0] = NULLCHAR;
11468 MakeMove(fromX, fromY, toX, toY, promoChar);
11469 currentMove = forwardMostMove;
11474 /* Load the nth game from the given file */
11476 LoadGameFromFile (char *filename, int n, char *title, int useList)
11481 if (strcmp(filename, "-") == 0) {
11485 f = fopen(filename, "rb");
11487 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11488 DisplayError(buf, errno);
11492 if (fseek(f, 0, 0) == -1) {
11493 /* f is not seekable; probably a pipe */
11496 if (useList && n == 0) {
11497 int error = GameListBuild(f);
11499 DisplayError(_("Cannot build game list"), error);
11500 } else if (!ListEmpty(&gameList) &&
11501 ((ListGame *) gameList.tailPred)->number > 1) {
11502 GameListPopUp(f, title);
11509 return LoadGame(f, n, title, FALSE);
11514 MakeRegisteredMove ()
11516 int fromX, fromY, toX, toY;
11518 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11519 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11522 if (appData.debugMode)
11523 fprintf(debugFP, "Restoring %s for game %d\n",
11524 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11526 thinkOutput[0] = NULLCHAR;
11527 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11528 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11529 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11530 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11531 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11532 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11533 MakeMove(fromX, fromY, toX, toY, promoChar);
11534 ShowMove(fromX, fromY, toX, toY);
11536 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11543 if (WhiteOnMove(currentMove)) {
11544 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11546 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11551 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11558 if (WhiteOnMove(currentMove)) {
11559 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11561 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11566 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11577 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11579 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11583 if (gameNumber > nCmailGames) {
11584 DisplayError(_("No more games in this message"), 0);
11587 if (f == lastLoadGameFP) {
11588 int offset = gameNumber - lastLoadGameNumber;
11590 cmailMsg[0] = NULLCHAR;
11591 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11592 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11593 nCmailMovesRegistered--;
11595 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11596 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11597 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11600 if (! RegisterMove()) return FALSE;
11604 retVal = LoadGame(f, gameNumber, title, useList);
11606 /* Make move registered during previous look at this game, if any */
11607 MakeRegisteredMove();
11609 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11610 commentList[currentMove]
11611 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11612 DisplayComment(currentMove - 1, commentList[currentMove]);
11618 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11620 ReloadGame (int offset)
11622 int gameNumber = lastLoadGameNumber + offset;
11623 if (lastLoadGameFP == NULL) {
11624 DisplayError(_("No game has been loaded yet"), 0);
11627 if (gameNumber <= 0) {
11628 DisplayError(_("Can't back up any further"), 0);
11631 if (cmailMsgLoaded) {
11632 return CmailLoadGame(lastLoadGameFP, gameNumber,
11633 lastLoadGameTitle, lastLoadGameUseList);
11635 return LoadGame(lastLoadGameFP, gameNumber,
11636 lastLoadGameTitle, lastLoadGameUseList);
11640 int keys[EmptySquare+1];
11643 PositionMatches (Board b1, Board b2)
11646 switch(appData.searchMode) {
11647 case 1: return CompareWithRights(b1, b2);
11649 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11650 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11654 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11655 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11656 sum += keys[b1[r][f]] - keys[b2[r][f]];
11660 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11661 sum += keys[b1[r][f]] - keys[b2[r][f]];
11673 int pieceList[256], quickBoard[256];
11674 ChessSquare pieceType[256] = { EmptySquare };
11675 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11676 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11677 int soughtTotal, turn;
11678 Boolean epOK, flipSearch;
11681 unsigned char piece, to;
11684 #define DSIZE (250000)
11686 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11687 Move *moveDatabase = initialSpace;
11688 unsigned int movePtr, dataSize = DSIZE;
11691 MakePieceList (Board board, int *counts)
11693 int r, f, n=Q_PROMO, total=0;
11694 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11695 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11696 int sq = f + (r<<4);
11697 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11698 quickBoard[sq] = ++n;
11700 pieceType[n] = board[r][f];
11701 counts[board[r][f]]++;
11702 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11703 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11707 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11712 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11714 int sq = fromX + (fromY<<4);
11715 int piece = quickBoard[sq];
11716 quickBoard[sq] = 0;
11717 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11718 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11719 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11720 moveDatabase[movePtr++].piece = Q_WCASTL;
11721 quickBoard[sq] = piece;
11722 piece = quickBoard[from]; quickBoard[from] = 0;
11723 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11725 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11726 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11727 moveDatabase[movePtr++].piece = Q_BCASTL;
11728 quickBoard[sq] = piece;
11729 piece = quickBoard[from]; quickBoard[from] = 0;
11730 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11732 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11733 quickBoard[(fromY<<4)+toX] = 0;
11734 moveDatabase[movePtr].piece = Q_EP;
11735 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11736 moveDatabase[movePtr].to = sq;
11738 if(promoPiece != pieceType[piece]) {
11739 moveDatabase[movePtr++].piece = Q_PROMO;
11740 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11742 moveDatabase[movePtr].piece = piece;
11743 quickBoard[sq] = piece;
11748 PackGame (Board board)
11750 Move *newSpace = NULL;
11751 moveDatabase[movePtr].piece = 0; // terminate previous game
11752 if(movePtr > dataSize) {
11753 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11754 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11755 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11758 Move *p = moveDatabase, *q = newSpace;
11759 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11760 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11761 moveDatabase = newSpace;
11762 } else { // calloc failed, we must be out of memory. Too bad...
11763 dataSize = 0; // prevent calloc events for all subsequent games
11764 return 0; // and signal this one isn't cached
11768 MakePieceList(board, counts);
11773 QuickCompare (Board board, int *minCounts, int *maxCounts)
11774 { // compare according to search mode
11776 switch(appData.searchMode)
11778 case 1: // exact position match
11779 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11780 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11781 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11784 case 2: // can have extra material on empty squares
11785 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11786 if(board[r][f] == EmptySquare) continue;
11787 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11790 case 3: // material with exact Pawn structure
11791 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11792 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11793 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11794 } // fall through to material comparison
11795 case 4: // exact material
11796 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11798 case 6: // material range with given imbalance
11799 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11800 // fall through to range comparison
11801 case 5: // material range
11802 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11808 QuickScan (Board board, Move *move)
11809 { // reconstruct game,and compare all positions in it
11810 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11812 int piece = move->piece;
11813 int to = move->to, from = pieceList[piece];
11814 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11815 if(!piece) return -1;
11816 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11817 piece = (++move)->piece;
11818 from = pieceList[piece];
11819 counts[pieceType[piece]]--;
11820 pieceType[piece] = (ChessSquare) move->to;
11821 counts[move->to]++;
11822 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11823 counts[pieceType[quickBoard[to]]]--;
11824 quickBoard[to] = 0; total--;
11827 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11828 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11829 from = pieceList[piece]; // so this must be King
11830 quickBoard[from] = 0;
11831 pieceList[piece] = to;
11832 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11833 quickBoard[from] = 0; // rook
11834 quickBoard[to] = piece;
11835 to = move->to; piece = move->piece;
11839 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11840 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11841 quickBoard[from] = 0;
11843 quickBoard[to] = piece;
11844 pieceList[piece] = to;
11846 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11847 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11848 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11849 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11851 static int lastCounts[EmptySquare+1];
11853 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11854 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11855 } else stretch = 0;
11856 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11865 flipSearch = FALSE;
11866 CopyBoard(soughtBoard, boards[currentMove]);
11867 soughtTotal = MakePieceList(soughtBoard, maxSought);
11868 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11869 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11870 CopyBoard(reverseBoard, boards[currentMove]);
11871 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11872 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11873 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11874 reverseBoard[r][f] = piece;
11876 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11877 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11878 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11879 || (boards[currentMove][CASTLING][2] == NoRights ||
11880 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11881 && (boards[currentMove][CASTLING][5] == NoRights ||
11882 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11885 CopyBoard(flipBoard, soughtBoard);
11886 CopyBoard(rotateBoard, reverseBoard);
11887 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11888 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11889 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11892 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11893 if(appData.searchMode >= 5) {
11894 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11895 MakePieceList(soughtBoard, minSought);
11896 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11898 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11899 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11902 GameInfo dummyInfo;
11903 static int creatingBook;
11906 GameContainsPosition (FILE *f, ListGame *lg)
11908 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11909 int fromX, fromY, toX, toY;
11911 static int initDone=FALSE;
11913 // weed out games based on numerical tag comparison
11914 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11915 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11916 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11917 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11919 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11922 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11923 else CopyBoard(boards[scratch], initialPosition); // default start position
11926 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11927 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11930 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11931 fseek(f, lg->offset, 0);
11934 yyboardindex = scratch;
11935 quickFlag = plyNr+1;
11940 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11946 if(plyNr) return -1; // after we have seen moves, this is for new game
11949 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11950 case ImpossibleMove:
11951 case WhiteWins: // game ends here with these four
11954 case GameUnfinished:
11958 if(appData.testLegality) return -1;
11959 case WhiteCapturesEnPassant:
11960 case BlackCapturesEnPassant:
11961 case WhitePromotion:
11962 case BlackPromotion:
11963 case WhiteNonPromotion:
11964 case BlackNonPromotion:
11966 case WhiteKingSideCastle:
11967 case WhiteQueenSideCastle:
11968 case BlackKingSideCastle:
11969 case BlackQueenSideCastle:
11970 case WhiteKingSideCastleWild:
11971 case WhiteQueenSideCastleWild:
11972 case BlackKingSideCastleWild:
11973 case BlackQueenSideCastleWild:
11974 case WhiteHSideCastleFR:
11975 case WhiteASideCastleFR:
11976 case BlackHSideCastleFR:
11977 case BlackASideCastleFR:
11978 fromX = currentMoveString[0] - AAA;
11979 fromY = currentMoveString[1] - ONE;
11980 toX = currentMoveString[2] - AAA;
11981 toY = currentMoveString[3] - ONE;
11982 promoChar = currentMoveString[4];
11986 fromX = next == WhiteDrop ?
11987 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11988 (int) CharToPiece(ToLower(currentMoveString[0]));
11990 toX = currentMoveString[2] - AAA;
11991 toY = currentMoveString[3] - ONE;
11995 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11997 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11998 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11999 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12000 if(appData.findMirror) {
12001 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12002 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12007 /* Load the nth game from open file f */
12009 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12013 int gn = gameNumber;
12014 ListGame *lg = NULL;
12015 int numPGNTags = 0;
12017 GameMode oldGameMode;
12018 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12020 if (appData.debugMode)
12021 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12023 if (gameMode == Training )
12024 SetTrainingModeOff();
12026 oldGameMode = gameMode;
12027 if (gameMode != BeginningOfGame) {
12028 Reset(FALSE, TRUE);
12032 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12033 fclose(lastLoadGameFP);
12037 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12040 fseek(f, lg->offset, 0);
12041 GameListHighlight(gameNumber);
12042 pos = lg->position;
12046 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
12047 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12049 DisplayError(_("Game number out of range"), 0);
12054 if (fseek(f, 0, 0) == -1) {
12055 if (f == lastLoadGameFP ?
12056 gameNumber == lastLoadGameNumber + 1 :
12060 DisplayError(_("Can't seek on game file"), 0);
12065 lastLoadGameFP = f;
12066 lastLoadGameNumber = gameNumber;
12067 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12068 lastLoadGameUseList = useList;
12072 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12073 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12074 lg->gameInfo.black);
12076 } else if (*title != NULLCHAR) {
12077 if (gameNumber > 1) {
12078 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12081 DisplayTitle(title);
12085 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12086 gameMode = PlayFromGameFile;
12090 currentMove = forwardMostMove = backwardMostMove = 0;
12091 CopyBoard(boards[0], initialPosition);
12095 * Skip the first gn-1 games in the file.
12096 * Also skip over anything that precedes an identifiable
12097 * start of game marker, to avoid being confused by
12098 * garbage at the start of the file. Currently
12099 * recognized start of game markers are the move number "1",
12100 * the pattern "gnuchess .* game", the pattern
12101 * "^[#;%] [^ ]* game file", and a PGN tag block.
12102 * A game that starts with one of the latter two patterns
12103 * will also have a move number 1, possibly
12104 * following a position diagram.
12105 * 5-4-02: Let's try being more lenient and allowing a game to
12106 * start with an unnumbered move. Does that break anything?
12108 cm = lastLoadGameStart = EndOfFile;
12110 yyboardindex = forwardMostMove;
12111 cm = (ChessMove) Myylex();
12114 if (cmailMsgLoaded) {
12115 nCmailGames = CMAIL_MAX_GAMES - gn;
12118 DisplayError(_("Game not found in file"), 0);
12125 lastLoadGameStart = cm;
12128 case MoveNumberOne:
12129 switch (lastLoadGameStart) {
12134 case MoveNumberOne:
12136 gn--; /* count this game */
12137 lastLoadGameStart = cm;
12146 switch (lastLoadGameStart) {
12149 case MoveNumberOne:
12151 gn--; /* count this game */
12152 lastLoadGameStart = cm;
12155 lastLoadGameStart = cm; /* game counted already */
12163 yyboardindex = forwardMostMove;
12164 cm = (ChessMove) Myylex();
12165 } while (cm == PGNTag || cm == Comment);
12172 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12173 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12174 != CMAIL_OLD_RESULT) {
12176 cmailResult[ CMAIL_MAX_GAMES
12177 - gn - 1] = CMAIL_OLD_RESULT;
12183 /* Only a NormalMove can be at the start of a game
12184 * without a position diagram. */
12185 if (lastLoadGameStart == EndOfFile ) {
12187 lastLoadGameStart = MoveNumberOne;
12196 if (appData.debugMode)
12197 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12199 if (cm == XBoardGame) {
12200 /* Skip any header junk before position diagram and/or move 1 */
12202 yyboardindex = forwardMostMove;
12203 cm = (ChessMove) Myylex();
12205 if (cm == EndOfFile ||
12206 cm == GNUChessGame || cm == XBoardGame) {
12207 /* Empty game; pretend end-of-file and handle later */
12212 if (cm == MoveNumberOne || cm == PositionDiagram ||
12213 cm == PGNTag || cm == Comment)
12216 } else if (cm == GNUChessGame) {
12217 if (gameInfo.event != NULL) {
12218 free(gameInfo.event);
12220 gameInfo.event = StrSave(yy_text);
12223 startedFromSetupPosition = FALSE;
12224 while (cm == PGNTag) {
12225 if (appData.debugMode)
12226 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12227 err = ParsePGNTag(yy_text, &gameInfo);
12228 if (!err) numPGNTags++;
12230 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12231 if(gameInfo.variant != oldVariant) {
12232 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12233 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12234 InitPosition(TRUE);
12235 oldVariant = gameInfo.variant;
12236 if (appData.debugMode)
12237 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12241 if (gameInfo.fen != NULL) {
12242 Board initial_position;
12243 startedFromSetupPosition = TRUE;
12244 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12246 DisplayError(_("Bad FEN position in file"), 0);
12249 CopyBoard(boards[0], initial_position);
12250 if (blackPlaysFirst) {
12251 currentMove = forwardMostMove = backwardMostMove = 1;
12252 CopyBoard(boards[1], initial_position);
12253 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12254 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12255 timeRemaining[0][1] = whiteTimeRemaining;
12256 timeRemaining[1][1] = blackTimeRemaining;
12257 if (commentList[0] != NULL) {
12258 commentList[1] = commentList[0];
12259 commentList[0] = NULL;
12262 currentMove = forwardMostMove = backwardMostMove = 0;
12264 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12266 initialRulePlies = FENrulePlies;
12267 for( i=0; i< nrCastlingRights; i++ )
12268 initialRights[i] = initial_position[CASTLING][i];
12270 yyboardindex = forwardMostMove;
12271 free(gameInfo.fen);
12272 gameInfo.fen = NULL;
12275 yyboardindex = forwardMostMove;
12276 cm = (ChessMove) Myylex();
12278 /* Handle comments interspersed among the tags */
12279 while (cm == Comment) {
12281 if (appData.debugMode)
12282 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12284 AppendComment(currentMove, p, FALSE);
12285 yyboardindex = forwardMostMove;
12286 cm = (ChessMove) Myylex();
12290 /* don't rely on existence of Event tag since if game was
12291 * pasted from clipboard the Event tag may not exist
12293 if (numPGNTags > 0){
12295 if (gameInfo.variant == VariantNormal) {
12296 VariantClass v = StringToVariant(gameInfo.event);
12297 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12298 if(v < VariantShogi) gameInfo.variant = v;
12301 if( appData.autoDisplayTags ) {
12302 tags = PGNTags(&gameInfo);
12303 TagsPopUp(tags, CmailMsg());
12308 /* Make something up, but don't display it now */
12313 if (cm == PositionDiagram) {
12316 Board initial_position;
12318 if (appData.debugMode)
12319 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12321 if (!startedFromSetupPosition) {
12323 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12324 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12335 initial_position[i][j++] = CharToPiece(*p);
12338 while (*p == ' ' || *p == '\t' ||
12339 *p == '\n' || *p == '\r') p++;
12341 if (strncmp(p, "black", strlen("black"))==0)
12342 blackPlaysFirst = TRUE;
12344 blackPlaysFirst = FALSE;
12345 startedFromSetupPosition = TRUE;
12347 CopyBoard(boards[0], initial_position);
12348 if (blackPlaysFirst) {
12349 currentMove = forwardMostMove = backwardMostMove = 1;
12350 CopyBoard(boards[1], initial_position);
12351 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12352 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12353 timeRemaining[0][1] = whiteTimeRemaining;
12354 timeRemaining[1][1] = blackTimeRemaining;
12355 if (commentList[0] != NULL) {
12356 commentList[1] = commentList[0];
12357 commentList[0] = NULL;
12360 currentMove = forwardMostMove = backwardMostMove = 0;
12363 yyboardindex = forwardMostMove;
12364 cm = (ChessMove) Myylex();
12367 if(!creatingBook) {
12368 if (first.pr == NoProc) {
12369 StartChessProgram(&first);
12371 InitChessProgram(&first, FALSE);
12372 SendToProgram("force\n", &first);
12373 if (startedFromSetupPosition) {
12374 SendBoard(&first, forwardMostMove);
12375 if (appData.debugMode) {
12376 fprintf(debugFP, "Load Game\n");
12378 DisplayBothClocks();
12382 /* [HGM] server: flag to write setup moves in broadcast file as one */
12383 loadFlag = appData.suppressLoadMoves;
12385 while (cm == Comment) {
12387 if (appData.debugMode)
12388 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12390 AppendComment(currentMove, p, FALSE);
12391 yyboardindex = forwardMostMove;
12392 cm = (ChessMove) Myylex();
12395 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12396 cm == WhiteWins || cm == BlackWins ||
12397 cm == GameIsDrawn || cm == GameUnfinished) {
12398 DisplayMessage("", _("No moves in game"));
12399 if (cmailMsgLoaded) {
12400 if (appData.debugMode)
12401 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12405 DrawPosition(FALSE, boards[currentMove]);
12406 DisplayBothClocks();
12407 gameMode = EditGame;
12414 // [HGM] PV info: routine tests if comment empty
12415 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12416 DisplayComment(currentMove - 1, commentList[currentMove]);
12418 if (!matchMode && appData.timeDelay != 0)
12419 DrawPosition(FALSE, boards[currentMove]);
12421 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12422 programStats.ok_to_send = 1;
12425 /* if the first token after the PGN tags is a move
12426 * and not move number 1, retrieve it from the parser
12428 if (cm != MoveNumberOne)
12429 LoadGameOneMove(cm);
12431 /* load the remaining moves from the file */
12432 while (LoadGameOneMove(EndOfFile)) {
12433 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12434 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12437 /* rewind to the start of the game */
12438 currentMove = backwardMostMove;
12440 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12442 if (oldGameMode == AnalyzeFile ||
12443 oldGameMode == AnalyzeMode) {
12444 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12445 AnalyzeFileEvent();
12448 if(creatingBook) return TRUE;
12449 if (!matchMode && pos > 0) {
12450 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12452 if (matchMode || appData.timeDelay == 0) {
12454 } else if (appData.timeDelay > 0) {
12455 AutoPlayGameLoop();
12458 if (appData.debugMode)
12459 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12461 loadFlag = 0; /* [HGM] true game starts */
12465 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12467 ReloadPosition (int offset)
12469 int positionNumber = lastLoadPositionNumber + offset;
12470 if (lastLoadPositionFP == NULL) {
12471 DisplayError(_("No position has been loaded yet"), 0);
12474 if (positionNumber <= 0) {
12475 DisplayError(_("Can't back up any further"), 0);
12478 return LoadPosition(lastLoadPositionFP, positionNumber,
12479 lastLoadPositionTitle);
12482 /* Load the nth position from the given file */
12484 LoadPositionFromFile (char *filename, int n, char *title)
12489 if (strcmp(filename, "-") == 0) {
12490 return LoadPosition(stdin, n, "stdin");
12492 f = fopen(filename, "rb");
12494 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12495 DisplayError(buf, errno);
12498 return LoadPosition(f, n, title);
12503 /* Load the nth position from the given open file, and close it */
12505 LoadPosition (FILE *f, int positionNumber, char *title)
12507 char *p, line[MSG_SIZ];
12508 Board initial_position;
12509 int i, j, fenMode, pn;
12511 if (gameMode == Training )
12512 SetTrainingModeOff();
12514 if (gameMode != BeginningOfGame) {
12515 Reset(FALSE, TRUE);
12517 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12518 fclose(lastLoadPositionFP);
12520 if (positionNumber == 0) positionNumber = 1;
12521 lastLoadPositionFP = f;
12522 lastLoadPositionNumber = positionNumber;
12523 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12524 if (first.pr == NoProc && !appData.noChessProgram) {
12525 StartChessProgram(&first);
12526 InitChessProgram(&first, FALSE);
12528 pn = positionNumber;
12529 if (positionNumber < 0) {
12530 /* Negative position number means to seek to that byte offset */
12531 if (fseek(f, -positionNumber, 0) == -1) {
12532 DisplayError(_("Can't seek on position file"), 0);
12537 if (fseek(f, 0, 0) == -1) {
12538 if (f == lastLoadPositionFP ?
12539 positionNumber == lastLoadPositionNumber + 1 :
12540 positionNumber == 1) {
12543 DisplayError(_("Can't seek on position file"), 0);
12548 /* See if this file is FEN or old-style xboard */
12549 if (fgets(line, MSG_SIZ, f) == NULL) {
12550 DisplayError(_("Position not found in file"), 0);
12553 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12554 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12557 if (fenMode || line[0] == '#') pn--;
12559 /* skip positions before number pn */
12560 if (fgets(line, MSG_SIZ, f) == NULL) {
12562 DisplayError(_("Position not found in file"), 0);
12565 if (fenMode || line[0] == '#') pn--;
12570 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12571 DisplayError(_("Bad FEN position in file"), 0);
12575 (void) fgets(line, MSG_SIZ, f);
12576 (void) fgets(line, MSG_SIZ, f);
12578 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12579 (void) fgets(line, MSG_SIZ, f);
12580 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12583 initial_position[i][j++] = CharToPiece(*p);
12587 blackPlaysFirst = FALSE;
12589 (void) fgets(line, MSG_SIZ, f);
12590 if (strncmp(line, "black", strlen("black"))==0)
12591 blackPlaysFirst = TRUE;
12594 startedFromSetupPosition = TRUE;
12596 CopyBoard(boards[0], initial_position);
12597 if (blackPlaysFirst) {
12598 currentMove = forwardMostMove = backwardMostMove = 1;
12599 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12600 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12601 CopyBoard(boards[1], initial_position);
12602 DisplayMessage("", _("Black to play"));
12604 currentMove = forwardMostMove = backwardMostMove = 0;
12605 DisplayMessage("", _("White to play"));
12607 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12608 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12609 SendToProgram("force\n", &first);
12610 SendBoard(&first, forwardMostMove);
12612 if (appData.debugMode) {
12614 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12615 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12616 fprintf(debugFP, "Load Position\n");
12619 if (positionNumber > 1) {
12620 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12621 DisplayTitle(line);
12623 DisplayTitle(title);
12625 gameMode = EditGame;
12628 timeRemaining[0][1] = whiteTimeRemaining;
12629 timeRemaining[1][1] = blackTimeRemaining;
12630 DrawPosition(FALSE, boards[currentMove]);
12637 CopyPlayerNameIntoFileName (char **dest, char *src)
12639 while (*src != NULLCHAR && *src != ',') {
12644 *(*dest)++ = *src++;
12650 DefaultFileName (char *ext)
12652 static char def[MSG_SIZ];
12655 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12657 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12659 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12661 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12668 /* Save the current game to the given file */
12670 SaveGameToFile (char *filename, int append)
12674 int result, i, t,tot=0;
12676 if (strcmp(filename, "-") == 0) {
12677 return SaveGame(stdout, 0, NULL);
12679 for(i=0; i<10; i++) { // upto 10 tries
12680 f = fopen(filename, append ? "a" : "w");
12681 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12682 if(f || errno != 13) break;
12683 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12687 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12688 DisplayError(buf, errno);
12691 safeStrCpy(buf, lastMsg, MSG_SIZ);
12692 DisplayMessage(_("Waiting for access to save file"), "");
12693 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12694 DisplayMessage(_("Saving game"), "");
12695 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12696 result = SaveGame(f, 0, NULL);
12697 DisplayMessage(buf, "");
12704 SavePart (char *str)
12706 static char buf[MSG_SIZ];
12709 p = strchr(str, ' ');
12710 if (p == NULL) return str;
12711 strncpy(buf, str, p - str);
12712 buf[p - str] = NULLCHAR;
12716 #define PGN_MAX_LINE 75
12718 #define PGN_SIDE_WHITE 0
12719 #define PGN_SIDE_BLACK 1
12722 FindFirstMoveOutOfBook (int side)
12726 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12727 int index = backwardMostMove;
12728 int has_book_hit = 0;
12730 if( (index % 2) != side ) {
12734 while( index < forwardMostMove ) {
12735 /* Check to see if engine is in book */
12736 int depth = pvInfoList[index].depth;
12737 int score = pvInfoList[index].score;
12743 else if( score == 0 && depth == 63 ) {
12744 in_book = 1; /* Zappa */
12746 else if( score == 2 && depth == 99 ) {
12747 in_book = 1; /* Abrok */
12750 has_book_hit += in_book;
12766 GetOutOfBookInfo (char * buf)
12770 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12772 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12773 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12777 if( oob[0] >= 0 || oob[1] >= 0 ) {
12778 for( i=0; i<2; i++ ) {
12782 if( i > 0 && oob[0] >= 0 ) {
12783 strcat( buf, " " );
12786 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12787 sprintf( buf+strlen(buf), "%s%.2f",
12788 pvInfoList[idx].score >= 0 ? "+" : "",
12789 pvInfoList[idx].score / 100.0 );
12795 /* Save game in PGN style and close the file */
12797 SaveGamePGN (FILE *f)
12799 int i, offset, linelen, newblock;
12802 int movelen, numlen, blank;
12803 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12805 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12807 PrintPGNTags(f, &gameInfo);
12809 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12811 if (backwardMostMove > 0 || startedFromSetupPosition) {
12812 char *fen = PositionToFEN(backwardMostMove, NULL);
12813 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12814 fprintf(f, "\n{--------------\n");
12815 PrintPosition(f, backwardMostMove);
12816 fprintf(f, "--------------}\n");
12820 /* [AS] Out of book annotation */
12821 if( appData.saveOutOfBookInfo ) {
12824 GetOutOfBookInfo( buf );
12826 if( buf[0] != '\0' ) {
12827 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12834 i = backwardMostMove;
12838 while (i < forwardMostMove) {
12839 /* Print comments preceding this move */
12840 if (commentList[i] != NULL) {
12841 if (linelen > 0) fprintf(f, "\n");
12842 fprintf(f, "%s", commentList[i]);
12847 /* Format move number */
12849 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12852 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12854 numtext[0] = NULLCHAR;
12856 numlen = strlen(numtext);
12859 /* Print move number */
12860 blank = linelen > 0 && numlen > 0;
12861 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12870 fprintf(f, "%s", numtext);
12874 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12875 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12878 blank = linelen > 0 && movelen > 0;
12879 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12888 fprintf(f, "%s", move_buffer);
12889 linelen += movelen;
12891 /* [AS] Add PV info if present */
12892 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12893 /* [HGM] add time */
12894 char buf[MSG_SIZ]; int seconds;
12896 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12902 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12905 seconds = (seconds + 4)/10; // round to full seconds
12907 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12909 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12912 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12913 pvInfoList[i].score >= 0 ? "+" : "",
12914 pvInfoList[i].score / 100.0,
12915 pvInfoList[i].depth,
12918 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12920 /* Print score/depth */
12921 blank = linelen > 0 && movelen > 0;
12922 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12931 fprintf(f, "%s", move_buffer);
12932 linelen += movelen;
12938 /* Start a new line */
12939 if (linelen > 0) fprintf(f, "\n");
12941 /* Print comments after last move */
12942 if (commentList[i] != NULL) {
12943 fprintf(f, "%s\n", commentList[i]);
12947 if (gameInfo.resultDetails != NULL &&
12948 gameInfo.resultDetails[0] != NULLCHAR) {
12949 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12950 PGNResult(gameInfo.result));
12952 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12956 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12960 /* Save game in old style and close the file */
12962 SaveGameOldStyle (FILE *f)
12967 tm = time((time_t *) NULL);
12969 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12972 if (backwardMostMove > 0 || startedFromSetupPosition) {
12973 fprintf(f, "\n[--------------\n");
12974 PrintPosition(f, backwardMostMove);
12975 fprintf(f, "--------------]\n");
12980 i = backwardMostMove;
12981 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12983 while (i < forwardMostMove) {
12984 if (commentList[i] != NULL) {
12985 fprintf(f, "[%s]\n", commentList[i]);
12988 if ((i % 2) == 1) {
12989 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12992 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12994 if (commentList[i] != NULL) {
12998 if (i >= forwardMostMove) {
13002 fprintf(f, "%s\n", parseList[i]);
13007 if (commentList[i] != NULL) {
13008 fprintf(f, "[%s]\n", commentList[i]);
13011 /* This isn't really the old style, but it's close enough */
13012 if (gameInfo.resultDetails != NULL &&
13013 gameInfo.resultDetails[0] != NULLCHAR) {
13014 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13015 gameInfo.resultDetails);
13017 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13024 /* Save the current game to open file f and close the file */
13026 SaveGame (FILE *f, int dummy, char *dummy2)
13028 if (gameMode == EditPosition) EditPositionDone(TRUE);
13029 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13030 if (appData.oldSaveStyle)
13031 return SaveGameOldStyle(f);
13033 return SaveGamePGN(f);
13036 /* Save the current position to the given file */
13038 SavePositionToFile (char *filename)
13043 if (strcmp(filename, "-") == 0) {
13044 return SavePosition(stdout, 0, NULL);
13046 f = fopen(filename, "a");
13048 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13049 DisplayError(buf, errno);
13052 safeStrCpy(buf, lastMsg, MSG_SIZ);
13053 DisplayMessage(_("Waiting for access to save file"), "");
13054 flock(fileno(f), LOCK_EX); // [HGM] lock
13055 DisplayMessage(_("Saving position"), "");
13056 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13057 SavePosition(f, 0, NULL);
13058 DisplayMessage(buf, "");
13064 /* Save the current position to the given open file and close the file */
13066 SavePosition (FILE *f, int dummy, char *dummy2)
13071 if (gameMode == EditPosition) EditPositionDone(TRUE);
13072 if (appData.oldSaveStyle) {
13073 tm = time((time_t *) NULL);
13075 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13077 fprintf(f, "[--------------\n");
13078 PrintPosition(f, currentMove);
13079 fprintf(f, "--------------]\n");
13081 fen = PositionToFEN(currentMove, NULL);
13082 fprintf(f, "%s\n", fen);
13090 ReloadCmailMsgEvent (int unregister)
13093 static char *inFilename = NULL;
13094 static char *outFilename;
13096 struct stat inbuf, outbuf;
13099 /* Any registered moves are unregistered if unregister is set, */
13100 /* i.e. invoked by the signal handler */
13102 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13103 cmailMoveRegistered[i] = FALSE;
13104 if (cmailCommentList[i] != NULL) {
13105 free(cmailCommentList[i]);
13106 cmailCommentList[i] = NULL;
13109 nCmailMovesRegistered = 0;
13112 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13113 cmailResult[i] = CMAIL_NOT_RESULT;
13117 if (inFilename == NULL) {
13118 /* Because the filenames are static they only get malloced once */
13119 /* and they never get freed */
13120 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13121 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13123 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13124 sprintf(outFilename, "%s.out", appData.cmailGameName);
13127 status = stat(outFilename, &outbuf);
13129 cmailMailedMove = FALSE;
13131 status = stat(inFilename, &inbuf);
13132 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13135 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13136 counts the games, notes how each one terminated, etc.
13138 It would be nice to remove this kludge and instead gather all
13139 the information while building the game list. (And to keep it
13140 in the game list nodes instead of having a bunch of fixed-size
13141 parallel arrays.) Note this will require getting each game's
13142 termination from the PGN tags, as the game list builder does
13143 not process the game moves. --mann
13145 cmailMsgLoaded = TRUE;
13146 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13148 /* Load first game in the file or popup game menu */
13149 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13151 #endif /* !WIN32 */
13159 char string[MSG_SIZ];
13161 if ( cmailMailedMove
13162 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13163 return TRUE; /* Allow free viewing */
13166 /* Unregister move to ensure that we don't leave RegisterMove */
13167 /* with the move registered when the conditions for registering no */
13169 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13170 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13171 nCmailMovesRegistered --;
13173 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13175 free(cmailCommentList[lastLoadGameNumber - 1]);
13176 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13180 if (cmailOldMove == -1) {
13181 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13185 if (currentMove > cmailOldMove + 1) {
13186 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13190 if (currentMove < cmailOldMove) {
13191 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13195 if (forwardMostMove > currentMove) {
13196 /* Silently truncate extra moves */
13200 if ( (currentMove == cmailOldMove + 1)
13201 || ( (currentMove == cmailOldMove)
13202 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13203 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13204 if (gameInfo.result != GameUnfinished) {
13205 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13208 if (commentList[currentMove] != NULL) {
13209 cmailCommentList[lastLoadGameNumber - 1]
13210 = StrSave(commentList[currentMove]);
13212 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13214 if (appData.debugMode)
13215 fprintf(debugFP, "Saving %s for game %d\n",
13216 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13218 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13220 f = fopen(string, "w");
13221 if (appData.oldSaveStyle) {
13222 SaveGameOldStyle(f); /* also closes the file */
13224 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13225 f = fopen(string, "w");
13226 SavePosition(f, 0, NULL); /* also closes the file */
13228 fprintf(f, "{--------------\n");
13229 PrintPosition(f, currentMove);
13230 fprintf(f, "--------------}\n\n");
13232 SaveGame(f, 0, NULL); /* also closes the file*/
13235 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13236 nCmailMovesRegistered ++;
13237 } else if (nCmailGames == 1) {
13238 DisplayError(_("You have not made a move yet"), 0);
13249 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13250 FILE *commandOutput;
13251 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13252 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13258 if (! cmailMsgLoaded) {
13259 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13263 if (nCmailGames == nCmailResults) {
13264 DisplayError(_("No unfinished games"), 0);
13268 #if CMAIL_PROHIBIT_REMAIL
13269 if (cmailMailedMove) {
13270 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);
13271 DisplayError(msg, 0);
13276 if (! (cmailMailedMove || RegisterMove())) return;
13278 if ( cmailMailedMove
13279 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13280 snprintf(string, MSG_SIZ, partCommandString,
13281 appData.debugMode ? " -v" : "", appData.cmailGameName);
13282 commandOutput = popen(string, "r");
13284 if (commandOutput == NULL) {
13285 DisplayError(_("Failed to invoke cmail"), 0);
13287 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13288 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13290 if (nBuffers > 1) {
13291 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13292 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13293 nBytes = MSG_SIZ - 1;
13295 (void) memcpy(msg, buffer, nBytes);
13297 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13299 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13300 cmailMailedMove = TRUE; /* Prevent >1 moves */
13303 for (i = 0; i < nCmailGames; i ++) {
13304 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13309 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13311 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13313 appData.cmailGameName,
13315 LoadGameFromFile(buffer, 1, buffer, FALSE);
13316 cmailMsgLoaded = FALSE;
13320 DisplayInformation(msg);
13321 pclose(commandOutput);
13324 if ((*cmailMsg) != '\0') {
13325 DisplayInformation(cmailMsg);
13330 #endif /* !WIN32 */
13339 int prependComma = 0;
13341 char string[MSG_SIZ]; /* Space for game-list */
13344 if (!cmailMsgLoaded) return "";
13346 if (cmailMailedMove) {
13347 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13349 /* Create a list of games left */
13350 snprintf(string, MSG_SIZ, "[");
13351 for (i = 0; i < nCmailGames; i ++) {
13352 if (! ( cmailMoveRegistered[i]
13353 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13354 if (prependComma) {
13355 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13357 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13361 strcat(string, number);
13364 strcat(string, "]");
13366 if (nCmailMovesRegistered + nCmailResults == 0) {
13367 switch (nCmailGames) {
13369 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13373 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13377 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13382 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13384 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13389 if (nCmailResults == nCmailGames) {
13390 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13392 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13397 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13409 if (gameMode == Training)
13410 SetTrainingModeOff();
13413 cmailMsgLoaded = FALSE;
13414 if (appData.icsActive) {
13415 SendToICS(ics_prefix);
13416 SendToICS("refresh\n");
13421 ExitEvent (int status)
13425 /* Give up on clean exit */
13429 /* Keep trying for clean exit */
13433 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13435 if (telnetISR != NULL) {
13436 RemoveInputSource(telnetISR);
13438 if (icsPR != NoProc) {
13439 DestroyChildProcess(icsPR, TRUE);
13442 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13443 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13445 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13446 /* make sure this other one finishes before killing it! */
13447 if(endingGame) { int count = 0;
13448 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13449 while(endingGame && count++ < 10) DoSleep(1);
13450 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13453 /* Kill off chess programs */
13454 if (first.pr != NoProc) {
13457 DoSleep( appData.delayBeforeQuit );
13458 SendToProgram("quit\n", &first);
13459 DoSleep( appData.delayAfterQuit );
13460 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13462 if (second.pr != NoProc) {
13463 DoSleep( appData.delayBeforeQuit );
13464 SendToProgram("quit\n", &second);
13465 DoSleep( appData.delayAfterQuit );
13466 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13468 if (first.isr != NULL) {
13469 RemoveInputSource(first.isr);
13471 if (second.isr != NULL) {
13472 RemoveInputSource(second.isr);
13475 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13476 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13478 ShutDownFrontEnd();
13483 PauseEngine (ChessProgramState *cps)
13485 SendToProgram("pause\n", cps);
13490 UnPauseEngine (ChessProgramState *cps)
13492 SendToProgram("resume\n", cps);
13499 if (appData.debugMode)
13500 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13504 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13506 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13507 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13508 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13510 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13511 HandleMachineMove(stashedInputMove, stalledEngine);
13512 stalledEngine = NULL;
13515 if (gameMode == MachinePlaysWhite ||
13516 gameMode == TwoMachinesPlay ||
13517 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13518 if(first.pause) UnPauseEngine(&first);
13519 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13520 if(second.pause) UnPauseEngine(&second);
13521 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13524 DisplayBothClocks();
13526 if (gameMode == PlayFromGameFile) {
13527 if (appData.timeDelay >= 0)
13528 AutoPlayGameLoop();
13529 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13530 Reset(FALSE, TRUE);
13531 SendToICS(ics_prefix);
13532 SendToICS("refresh\n");
13533 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13534 ForwardInner(forwardMostMove);
13536 pauseExamInvalid = FALSE;
13538 switch (gameMode) {
13542 pauseExamForwardMostMove = forwardMostMove;
13543 pauseExamInvalid = FALSE;
13546 case IcsPlayingWhite:
13547 case IcsPlayingBlack:
13551 case PlayFromGameFile:
13552 (void) StopLoadGameTimer();
13556 case BeginningOfGame:
13557 if (appData.icsActive) return;
13558 /* else fall through */
13559 case MachinePlaysWhite:
13560 case MachinePlaysBlack:
13561 case TwoMachinesPlay:
13562 if (forwardMostMove == 0)
13563 return; /* don't pause if no one has moved */
13564 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13565 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13566 if(onMove->pause) { // thinking engine can be paused
13567 PauseEngine(onMove); // do it
13568 if(onMove->other->pause) // pondering opponent can always be paused immediately
13569 PauseEngine(onMove->other);
13571 SendToProgram("easy\n", onMove->other);
13573 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13574 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13576 PauseEngine(&first);
13578 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13579 } else { // human on move, pause pondering by either method
13581 PauseEngine(&first);
13582 else if(appData.ponderNextMove)
13583 SendToProgram("easy\n", &first);
13586 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13596 EditCommentEvent ()
13598 char title[MSG_SIZ];
13600 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13601 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13603 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13604 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13605 parseList[currentMove - 1]);
13608 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13615 char *tags = PGNTags(&gameInfo);
13617 EditTagsPopUp(tags, NULL);
13624 if(second.analyzing) {
13625 SendToProgram("exit\n", &second);
13626 second.analyzing = FALSE;
13628 if (second.pr == NoProc) StartChessProgram(&second);
13629 InitChessProgram(&second, FALSE);
13630 FeedMovesToProgram(&second, currentMove);
13632 SendToProgram("analyze\n", &second);
13633 second.analyzing = TRUE;
13637 /* Toggle ShowThinking */
13639 ToggleShowThinking()
13641 appData.showThinking = !appData.showThinking;
13642 ShowThinkingEvent();
13646 AnalyzeModeEvent ()
13650 if (!first.analysisSupport) {
13651 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13652 DisplayError(buf, 0);
13655 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13656 if (appData.icsActive) {
13657 if (gameMode != IcsObserving) {
13658 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13659 DisplayError(buf, 0);
13661 if (appData.icsEngineAnalyze) {
13662 if (appData.debugMode)
13663 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13669 /* if enable, user wants to disable icsEngineAnalyze */
13670 if (appData.icsEngineAnalyze) {
13675 appData.icsEngineAnalyze = TRUE;
13676 if (appData.debugMode)
13677 fprintf(debugFP, "ICS engine analyze starting... \n");
13680 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13681 if (appData.noChessProgram || gameMode == AnalyzeMode)
13684 if (gameMode != AnalyzeFile) {
13685 if (!appData.icsEngineAnalyze) {
13687 if (gameMode != EditGame) return 0;
13689 if (!appData.showThinking) ToggleShowThinking();
13690 ResurrectChessProgram();
13691 SendToProgram("analyze\n", &first);
13692 first.analyzing = TRUE;
13693 /*first.maybeThinking = TRUE;*/
13694 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13695 EngineOutputPopUp();
13697 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13702 StartAnalysisClock();
13703 GetTimeMark(&lastNodeCountTime);
13709 AnalyzeFileEvent ()
13711 if (appData.noChessProgram || gameMode == AnalyzeFile)
13714 if (!first.analysisSupport) {
13716 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13717 DisplayError(buf, 0);
13721 if (gameMode != AnalyzeMode) {
13722 keepInfo = 1; // mere annotating should not alter PGN tags
13725 if (gameMode != EditGame) return;
13726 if (!appData.showThinking) ToggleShowThinking();
13727 ResurrectChessProgram();
13728 SendToProgram("analyze\n", &first);
13729 first.analyzing = TRUE;
13730 /*first.maybeThinking = TRUE;*/
13731 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13732 EngineOutputPopUp();
13734 gameMode = AnalyzeFile;
13738 StartAnalysisClock();
13739 GetTimeMark(&lastNodeCountTime);
13741 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13742 AnalysisPeriodicEvent(1);
13746 MachineWhiteEvent ()
13749 char *bookHit = NULL;
13751 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
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 White'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 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13779 gameMode = MachinePlaysWhite;
13782 gameMode = MachinePlaysWhite;
13786 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13788 if (first.sendName) {
13789 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13790 SendToProgram(buf, &first);
13792 if (first.sendTime) {
13793 if (first.useColors) {
13794 SendToProgram("black\n", &first); /*gnu kludge*/
13796 SendTimeRemaining(&first, TRUE);
13798 if (first.useColors) {
13799 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13801 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13802 SetMachineThinkingEnables();
13803 first.maybeThinking = TRUE;
13807 if (appData.autoFlipView && !flipView) {
13808 flipView = !flipView;
13809 DrawPosition(FALSE, NULL);
13810 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13813 if(bookHit) { // [HGM] book: simulate book reply
13814 static char bookMove[MSG_SIZ]; // a bit generous?
13816 programStats.nodes = programStats.depth = programStats.time =
13817 programStats.score = programStats.got_only_move = 0;
13818 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13820 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13821 strcat(bookMove, bookHit);
13822 HandleMachineMove(bookMove, &first);
13827 MachineBlackEvent ()
13830 char *bookHit = NULL;
13832 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13836 if (gameMode == PlayFromGameFile ||
13837 gameMode == TwoMachinesPlay ||
13838 gameMode == Training ||
13839 gameMode == AnalyzeMode ||
13840 gameMode == EndOfGame)
13843 if (gameMode == EditPosition)
13844 EditPositionDone(TRUE);
13846 if (WhiteOnMove(currentMove)) {
13847 DisplayError(_("It is not Black's turn"), 0);
13851 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13854 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13855 gameMode == AnalyzeFile)
13858 ResurrectChessProgram(); /* in case it isn't running */
13859 gameMode = MachinePlaysBlack;
13863 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13865 if (first.sendName) {
13866 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13867 SendToProgram(buf, &first);
13869 if (first.sendTime) {
13870 if (first.useColors) {
13871 SendToProgram("white\n", &first); /*gnu kludge*/
13873 SendTimeRemaining(&first, FALSE);
13875 if (first.useColors) {
13876 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13878 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13879 SetMachineThinkingEnables();
13880 first.maybeThinking = TRUE;
13883 if (appData.autoFlipView && flipView) {
13884 flipView = !flipView;
13885 DrawPosition(FALSE, NULL);
13886 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13888 if(bookHit) { // [HGM] book: simulate book reply
13889 static char bookMove[MSG_SIZ]; // a bit generous?
13891 programStats.nodes = programStats.depth = programStats.time =
13892 programStats.score = programStats.got_only_move = 0;
13893 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13895 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13896 strcat(bookMove, bookHit);
13897 HandleMachineMove(bookMove, &first);
13903 DisplayTwoMachinesTitle ()
13906 if (appData.matchGames > 0) {
13907 if(appData.tourneyFile[0]) {
13908 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13909 gameInfo.white, _("vs."), gameInfo.black,
13910 nextGame+1, appData.matchGames+1,
13911 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13913 if (first.twoMachinesColor[0] == 'w') {
13914 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13915 gameInfo.white, _("vs."), gameInfo.black,
13916 first.matchWins, second.matchWins,
13917 matchGame - 1 - (first.matchWins + second.matchWins));
13919 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13920 gameInfo.white, _("vs."), gameInfo.black,
13921 second.matchWins, first.matchWins,
13922 matchGame - 1 - (first.matchWins + second.matchWins));
13925 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13931 SettingsMenuIfReady ()
13933 if (second.lastPing != second.lastPong) {
13934 DisplayMessage("", _("Waiting for second chess program"));
13935 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13939 DisplayMessage("", "");
13940 SettingsPopUp(&second);
13944 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13947 if (cps->pr == NoProc) {
13948 StartChessProgram(cps);
13949 if (cps->protocolVersion == 1) {
13951 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
13953 /* kludge: allow timeout for initial "feature" command */
13954 if(retry != TwoMachinesEventIfReady) FreezeUI();
13955 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13956 DisplayMessage("", buf);
13957 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13965 TwoMachinesEvent P((void))
13969 ChessProgramState *onmove;
13970 char *bookHit = NULL;
13971 static int stalling = 0;
13975 if (appData.noChessProgram) return;
13977 switch (gameMode) {
13978 case TwoMachinesPlay:
13980 case MachinePlaysWhite:
13981 case MachinePlaysBlack:
13982 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13983 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13987 case BeginningOfGame:
13988 case PlayFromGameFile:
13991 if (gameMode != EditGame) return;
13994 EditPositionDone(TRUE);
14005 // forwardMostMove = currentMove;
14006 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14007 startingEngine = TRUE;
14009 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14011 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14012 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14013 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14016 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14018 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14019 startingEngine = FALSE;
14020 DisplayError("second engine does not play this", 0);
14025 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14026 SendToProgram("force\n", &second);
14028 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14031 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14032 if(appData.matchPause>10000 || appData.matchPause<10)
14033 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14034 wait = SubtractTimeMarks(&now, &pauseStart);
14035 if(wait < appData.matchPause) {
14036 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14039 // we are now committed to starting the game
14041 DisplayMessage("", "");
14042 if (startedFromSetupPosition) {
14043 SendBoard(&second, backwardMostMove);
14044 if (appData.debugMode) {
14045 fprintf(debugFP, "Two Machines\n");
14048 for (i = backwardMostMove; i < forwardMostMove; i++) {
14049 SendMoveToProgram(i, &second);
14052 gameMode = TwoMachinesPlay;
14053 pausing = startingEngine = FALSE;
14054 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14056 DisplayTwoMachinesTitle();
14058 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14063 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14064 SendToProgram(first.computerString, &first);
14065 if (first.sendName) {
14066 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14067 SendToProgram(buf, &first);
14069 SendToProgram(second.computerString, &second);
14070 if (second.sendName) {
14071 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14072 SendToProgram(buf, &second);
14076 if (!first.sendTime || !second.sendTime) {
14077 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14078 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14080 if (onmove->sendTime) {
14081 if (onmove->useColors) {
14082 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14084 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14086 if (onmove->useColors) {
14087 SendToProgram(onmove->twoMachinesColor, onmove);
14089 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14090 // SendToProgram("go\n", onmove);
14091 onmove->maybeThinking = TRUE;
14092 SetMachineThinkingEnables();
14096 if(bookHit) { // [HGM] book: simulate book reply
14097 static char bookMove[MSG_SIZ]; // a bit generous?
14099 programStats.nodes = programStats.depth = programStats.time =
14100 programStats.score = programStats.got_only_move = 0;
14101 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14103 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14104 strcat(bookMove, bookHit);
14105 savedMessage = bookMove; // args for deferred call
14106 savedState = onmove;
14107 ScheduleDelayedEvent(DeferredBookMove, 1);
14114 if (gameMode == Training) {
14115 SetTrainingModeOff();
14116 gameMode = PlayFromGameFile;
14117 DisplayMessage("", _("Training mode off"));
14119 gameMode = Training;
14120 animateTraining = appData.animate;
14122 /* make sure we are not already at the end of the game */
14123 if (currentMove < forwardMostMove) {
14124 SetTrainingModeOn();
14125 DisplayMessage("", _("Training mode on"));
14127 gameMode = PlayFromGameFile;
14128 DisplayError(_("Already at end of game"), 0);
14137 if (!appData.icsActive) return;
14138 switch (gameMode) {
14139 case IcsPlayingWhite:
14140 case IcsPlayingBlack:
14143 case BeginningOfGame:
14151 EditPositionDone(TRUE);
14164 gameMode = IcsIdle;
14174 switch (gameMode) {
14176 SetTrainingModeOff();
14178 case MachinePlaysWhite:
14179 case MachinePlaysBlack:
14180 case BeginningOfGame:
14181 SendToProgram("force\n", &first);
14182 SetUserThinkingEnables();
14184 case PlayFromGameFile:
14185 (void) StopLoadGameTimer();
14186 if (gameFileFP != NULL) {
14191 EditPositionDone(TRUE);
14196 SendToProgram("force\n", &first);
14198 case TwoMachinesPlay:
14199 GameEnds(EndOfFile, NULL, GE_PLAYER);
14200 ResurrectChessProgram();
14201 SetUserThinkingEnables();
14204 ResurrectChessProgram();
14206 case IcsPlayingBlack:
14207 case IcsPlayingWhite:
14208 DisplayError(_("Warning: You are still playing a game"), 0);
14211 DisplayError(_("Warning: You are still observing a game"), 0);
14214 DisplayError(_("Warning: You are still examining a game"), 0);
14225 first.offeredDraw = second.offeredDraw = 0;
14227 if (gameMode == PlayFromGameFile) {
14228 whiteTimeRemaining = timeRemaining[0][currentMove];
14229 blackTimeRemaining = timeRemaining[1][currentMove];
14233 if (gameMode == MachinePlaysWhite ||
14234 gameMode == MachinePlaysBlack ||
14235 gameMode == TwoMachinesPlay ||
14236 gameMode == EndOfGame) {
14237 i = forwardMostMove;
14238 while (i > currentMove) {
14239 SendToProgram("undo\n", &first);
14242 if(!adjustedClock) {
14243 whiteTimeRemaining = timeRemaining[0][currentMove];
14244 blackTimeRemaining = timeRemaining[1][currentMove];
14245 DisplayBothClocks();
14247 if (whiteFlag || blackFlag) {
14248 whiteFlag = blackFlag = 0;
14253 gameMode = EditGame;
14260 EditPositionEvent ()
14262 if (gameMode == EditPosition) {
14268 if (gameMode != EditGame) return;
14270 gameMode = EditPosition;
14273 if (currentMove > 0)
14274 CopyBoard(boards[0], boards[currentMove]);
14276 blackPlaysFirst = !WhiteOnMove(currentMove);
14278 currentMove = forwardMostMove = backwardMostMove = 0;
14279 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14281 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14287 /* [DM] icsEngineAnalyze - possible call from other functions */
14288 if (appData.icsEngineAnalyze) {
14289 appData.icsEngineAnalyze = FALSE;
14291 DisplayMessage("",_("Close ICS engine analyze..."));
14293 if (first.analysisSupport && first.analyzing) {
14294 SendToBoth("exit\n");
14295 first.analyzing = second.analyzing = FALSE;
14297 thinkOutput[0] = NULLCHAR;
14301 EditPositionDone (Boolean fakeRights)
14303 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14305 startedFromSetupPosition = TRUE;
14306 InitChessProgram(&first, FALSE);
14307 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14308 boards[0][EP_STATUS] = EP_NONE;
14309 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14310 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14311 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14312 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14313 } else boards[0][CASTLING][2] = NoRights;
14314 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14315 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14316 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14317 } else boards[0][CASTLING][5] = NoRights;
14318 if(gameInfo.variant == VariantSChess) {
14320 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14321 boards[0][VIRGIN][i] = 0;
14322 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14323 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14327 SendToProgram("force\n", &first);
14328 if (blackPlaysFirst) {
14329 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14330 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14331 currentMove = forwardMostMove = backwardMostMove = 1;
14332 CopyBoard(boards[1], boards[0]);
14334 currentMove = forwardMostMove = backwardMostMove = 0;
14336 SendBoard(&first, forwardMostMove);
14337 if (appData.debugMode) {
14338 fprintf(debugFP, "EditPosDone\n");
14341 DisplayMessage("", "");
14342 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14343 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14344 gameMode = EditGame;
14346 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14347 ClearHighlights(); /* [AS] */
14350 /* Pause for `ms' milliseconds */
14351 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14353 TimeDelay (long ms)
14360 } while (SubtractTimeMarks(&m2, &m1) < ms);
14363 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14365 SendMultiLineToICS (char *buf)
14367 char temp[MSG_SIZ+1], *p;
14374 strncpy(temp, buf, len);
14379 if (*p == '\n' || *p == '\r')
14384 strcat(temp, "\n");
14386 SendToPlayer(temp, strlen(temp));
14390 SetWhiteToPlayEvent ()
14392 if (gameMode == EditPosition) {
14393 blackPlaysFirst = FALSE;
14394 DisplayBothClocks(); /* works because currentMove is 0 */
14395 } else if (gameMode == IcsExamining) {
14396 SendToICS(ics_prefix);
14397 SendToICS("tomove white\n");
14402 SetBlackToPlayEvent ()
14404 if (gameMode == EditPosition) {
14405 blackPlaysFirst = TRUE;
14406 currentMove = 1; /* kludge */
14407 DisplayBothClocks();
14409 } else if (gameMode == IcsExamining) {
14410 SendToICS(ics_prefix);
14411 SendToICS("tomove black\n");
14416 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14419 ChessSquare piece = boards[0][y][x];
14421 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14423 switch (selection) {
14425 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14426 SendToICS(ics_prefix);
14427 SendToICS("bsetup clear\n");
14428 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14429 SendToICS(ics_prefix);
14430 SendToICS("clearboard\n");
14432 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14433 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14434 for (y = 0; y < BOARD_HEIGHT; y++) {
14435 if (gameMode == IcsExamining) {
14436 if (boards[currentMove][y][x] != EmptySquare) {
14437 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14442 boards[0][y][x] = p;
14447 if (gameMode == EditPosition) {
14448 DrawPosition(FALSE, boards[0]);
14453 SetWhiteToPlayEvent();
14457 SetBlackToPlayEvent();
14461 if (gameMode == IcsExamining) {
14462 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14463 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14466 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14467 if(x == BOARD_LEFT-2) {
14468 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14469 boards[0][y][1] = 0;
14471 if(x == BOARD_RGHT+1) {
14472 if(y >= gameInfo.holdingsSize) break;
14473 boards[0][y][BOARD_WIDTH-2] = 0;
14476 boards[0][y][x] = EmptySquare;
14477 DrawPosition(FALSE, boards[0]);
14482 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14483 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14484 selection = (ChessSquare) (PROMOTED piece);
14485 } else if(piece == EmptySquare) selection = WhiteSilver;
14486 else selection = (ChessSquare)((int)piece - 1);
14490 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14491 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14492 selection = (ChessSquare) (DEMOTED piece);
14493 } else if(piece == EmptySquare) selection = BlackSilver;
14494 else selection = (ChessSquare)((int)piece + 1);
14499 if(gameInfo.variant == VariantShatranj ||
14500 gameInfo.variant == VariantXiangqi ||
14501 gameInfo.variant == VariantCourier ||
14502 gameInfo.variant == VariantMakruk )
14503 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14508 if(gameInfo.variant == VariantXiangqi)
14509 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14510 if(gameInfo.variant == VariantKnightmate)
14511 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14514 if (gameMode == IcsExamining) {
14515 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14516 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14517 PieceToChar(selection), AAA + x, ONE + y);
14520 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14522 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14523 n = PieceToNumber(selection - BlackPawn);
14524 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14525 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14526 boards[0][BOARD_HEIGHT-1-n][1]++;
14528 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14529 n = PieceToNumber(selection);
14530 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14531 boards[0][n][BOARD_WIDTH-1] = selection;
14532 boards[0][n][BOARD_WIDTH-2]++;
14535 boards[0][y][x] = selection;
14536 DrawPosition(TRUE, boards[0]);
14538 fromX = fromY = -1;
14546 DropMenuEvent (ChessSquare selection, int x, int y)
14548 ChessMove moveType;
14550 switch (gameMode) {
14551 case IcsPlayingWhite:
14552 case MachinePlaysBlack:
14553 if (!WhiteOnMove(currentMove)) {
14554 DisplayMoveError(_("It is Black's turn"));
14557 moveType = WhiteDrop;
14559 case IcsPlayingBlack:
14560 case MachinePlaysWhite:
14561 if (WhiteOnMove(currentMove)) {
14562 DisplayMoveError(_("It is White's turn"));
14565 moveType = BlackDrop;
14568 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14574 if (moveType == BlackDrop && selection < BlackPawn) {
14575 selection = (ChessSquare) ((int) selection
14576 + (int) BlackPawn - (int) WhitePawn);
14578 if (boards[currentMove][y][x] != EmptySquare) {
14579 DisplayMoveError(_("That square is occupied"));
14583 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14589 /* Accept a pending offer of any kind from opponent */
14591 if (appData.icsActive) {
14592 SendToICS(ics_prefix);
14593 SendToICS("accept\n");
14594 } else if (cmailMsgLoaded) {
14595 if (currentMove == cmailOldMove &&
14596 commentList[cmailOldMove] != NULL &&
14597 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14598 "Black offers a draw" : "White offers a draw")) {
14600 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14601 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14603 DisplayError(_("There is no pending offer on this move"), 0);
14604 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14607 /* Not used for offers from chess program */
14614 /* Decline a pending offer of any kind from opponent */
14616 if (appData.icsActive) {
14617 SendToICS(ics_prefix);
14618 SendToICS("decline\n");
14619 } else if (cmailMsgLoaded) {
14620 if (currentMove == cmailOldMove &&
14621 commentList[cmailOldMove] != NULL &&
14622 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14623 "Black offers a draw" : "White offers a draw")) {
14625 AppendComment(cmailOldMove, "Draw declined", TRUE);
14626 DisplayComment(cmailOldMove - 1, "Draw declined");
14629 DisplayError(_("There is no pending offer on this move"), 0);
14632 /* Not used for offers from chess program */
14639 /* Issue ICS rematch command */
14640 if (appData.icsActive) {
14641 SendToICS(ics_prefix);
14642 SendToICS("rematch\n");
14649 /* Call your opponent's flag (claim a win on time) */
14650 if (appData.icsActive) {
14651 SendToICS(ics_prefix);
14652 SendToICS("flag\n");
14654 switch (gameMode) {
14657 case MachinePlaysWhite:
14660 GameEnds(GameIsDrawn, "Both players ran out of time",
14663 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14665 DisplayError(_("Your opponent is not out of time"), 0);
14668 case MachinePlaysBlack:
14671 GameEnds(GameIsDrawn, "Both players ran out of time",
14674 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14676 DisplayError(_("Your opponent is not out of time"), 0);
14684 ClockClick (int which)
14685 { // [HGM] code moved to back-end from winboard.c
14686 if(which) { // black clock
14687 if (gameMode == EditPosition || gameMode == IcsExamining) {
14688 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14689 SetBlackToPlayEvent();
14690 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14691 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14692 } else if (shiftKey) {
14693 AdjustClock(which, -1);
14694 } else if (gameMode == IcsPlayingWhite ||
14695 gameMode == MachinePlaysBlack) {
14698 } else { // white clock
14699 if (gameMode == EditPosition || gameMode == IcsExamining) {
14700 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14701 SetWhiteToPlayEvent();
14702 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14703 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14704 } else if (shiftKey) {
14705 AdjustClock(which, -1);
14706 } else if (gameMode == IcsPlayingBlack ||
14707 gameMode == MachinePlaysWhite) {
14716 /* Offer draw or accept pending draw offer from opponent */
14718 if (appData.icsActive) {
14719 /* Note: tournament rules require draw offers to be
14720 made after you make your move but before you punch
14721 your clock. Currently ICS doesn't let you do that;
14722 instead, you immediately punch your clock after making
14723 a move, but you can offer a draw at any time. */
14725 SendToICS(ics_prefix);
14726 SendToICS("draw\n");
14727 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14728 } else if (cmailMsgLoaded) {
14729 if (currentMove == cmailOldMove &&
14730 commentList[cmailOldMove] != NULL &&
14731 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14732 "Black offers a draw" : "White offers a draw")) {
14733 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14734 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14735 } else if (currentMove == cmailOldMove + 1) {
14736 char *offer = WhiteOnMove(cmailOldMove) ?
14737 "White offers a draw" : "Black offers a draw";
14738 AppendComment(currentMove, offer, TRUE);
14739 DisplayComment(currentMove - 1, offer);
14740 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14742 DisplayError(_("You must make your move before offering a draw"), 0);
14743 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14745 } else if (first.offeredDraw) {
14746 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14748 if (first.sendDrawOffers) {
14749 SendToProgram("draw\n", &first);
14750 userOfferedDraw = TRUE;
14758 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14760 if (appData.icsActive) {
14761 SendToICS(ics_prefix);
14762 SendToICS("adjourn\n");
14764 /* Currently GNU Chess doesn't offer or accept Adjourns */
14772 /* Offer Abort or accept pending Abort offer from opponent */
14774 if (appData.icsActive) {
14775 SendToICS(ics_prefix);
14776 SendToICS("abort\n");
14778 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14785 /* Resign. You can do this even if it's not your turn. */
14787 if (appData.icsActive) {
14788 SendToICS(ics_prefix);
14789 SendToICS("resign\n");
14791 switch (gameMode) {
14792 case MachinePlaysWhite:
14793 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14795 case MachinePlaysBlack:
14796 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14799 if (cmailMsgLoaded) {
14801 if (WhiteOnMove(cmailOldMove)) {
14802 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14804 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14806 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14817 StopObservingEvent ()
14819 /* Stop observing current games */
14820 SendToICS(ics_prefix);
14821 SendToICS("unobserve\n");
14825 StopExaminingEvent ()
14827 /* Stop observing current game */
14828 SendToICS(ics_prefix);
14829 SendToICS("unexamine\n");
14833 ForwardInner (int target)
14835 int limit; int oldSeekGraphUp = seekGraphUp;
14837 if (appData.debugMode)
14838 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14839 target, currentMove, forwardMostMove);
14841 if (gameMode == EditPosition)
14844 seekGraphUp = FALSE;
14845 MarkTargetSquares(1);
14847 if (gameMode == PlayFromGameFile && !pausing)
14850 if (gameMode == IcsExamining && pausing)
14851 limit = pauseExamForwardMostMove;
14853 limit = forwardMostMove;
14855 if (target > limit) target = limit;
14857 if (target > 0 && moveList[target - 1][0]) {
14858 int fromX, fromY, toX, toY;
14859 toX = moveList[target - 1][2] - AAA;
14860 toY = moveList[target - 1][3] - ONE;
14861 if (moveList[target - 1][1] == '@') {
14862 if (appData.highlightLastMove) {
14863 SetHighlights(-1, -1, toX, toY);
14866 fromX = moveList[target - 1][0] - AAA;
14867 fromY = moveList[target - 1][1] - ONE;
14868 if (target == currentMove + 1) {
14869 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14871 if (appData.highlightLastMove) {
14872 SetHighlights(fromX, fromY, toX, toY);
14876 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14877 gameMode == Training || gameMode == PlayFromGameFile ||
14878 gameMode == AnalyzeFile) {
14879 while (currentMove < target) {
14880 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14881 SendMoveToProgram(currentMove++, &first);
14884 currentMove = target;
14887 if (gameMode == EditGame || gameMode == EndOfGame) {
14888 whiteTimeRemaining = timeRemaining[0][currentMove];
14889 blackTimeRemaining = timeRemaining[1][currentMove];
14891 DisplayBothClocks();
14892 DisplayMove(currentMove - 1);
14893 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14894 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14895 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14896 DisplayComment(currentMove - 1, commentList[currentMove]);
14898 ClearMap(); // [HGM] exclude: invalidate map
14905 if (gameMode == IcsExamining && !pausing) {
14906 SendToICS(ics_prefix);
14907 SendToICS("forward\n");
14909 ForwardInner(currentMove + 1);
14916 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14917 /* to optimze, we temporarily turn off analysis mode while we feed
14918 * the remaining moves to the engine. Otherwise we get analysis output
14921 if (first.analysisSupport) {
14922 SendToProgram("exit\nforce\n", &first);
14923 first.analyzing = FALSE;
14927 if (gameMode == IcsExamining && !pausing) {
14928 SendToICS(ics_prefix);
14929 SendToICS("forward 999999\n");
14931 ForwardInner(forwardMostMove);
14934 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14935 /* we have fed all the moves, so reactivate analysis mode */
14936 SendToProgram("analyze\n", &first);
14937 first.analyzing = TRUE;
14938 /*first.maybeThinking = TRUE;*/
14939 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14944 BackwardInner (int target)
14946 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14948 if (appData.debugMode)
14949 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14950 target, currentMove, forwardMostMove);
14952 if (gameMode == EditPosition) return;
14953 seekGraphUp = FALSE;
14954 MarkTargetSquares(1);
14955 if (currentMove <= backwardMostMove) {
14957 DrawPosition(full_redraw, boards[currentMove]);
14960 if (gameMode == PlayFromGameFile && !pausing)
14963 if (moveList[target][0]) {
14964 int fromX, fromY, toX, toY;
14965 toX = moveList[target][2] - AAA;
14966 toY = moveList[target][3] - ONE;
14967 if (moveList[target][1] == '@') {
14968 if (appData.highlightLastMove) {
14969 SetHighlights(-1, -1, toX, toY);
14972 fromX = moveList[target][0] - AAA;
14973 fromY = moveList[target][1] - ONE;
14974 if (target == currentMove - 1) {
14975 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14977 if (appData.highlightLastMove) {
14978 SetHighlights(fromX, fromY, toX, toY);
14982 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14983 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14984 while (currentMove > target) {
14985 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14986 // null move cannot be undone. Reload program with move history before it.
14988 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14989 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14991 SendBoard(&first, i);
14992 if(second.analyzing) SendBoard(&second, i);
14993 for(currentMove=i; currentMove<target; currentMove++) {
14994 SendMoveToProgram(currentMove, &first);
14995 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14999 SendToBoth("undo\n");
15003 currentMove = target;
15006 if (gameMode == EditGame || gameMode == EndOfGame) {
15007 whiteTimeRemaining = timeRemaining[0][currentMove];
15008 blackTimeRemaining = timeRemaining[1][currentMove];
15010 DisplayBothClocks();
15011 DisplayMove(currentMove - 1);
15012 DrawPosition(full_redraw, boards[currentMove]);
15013 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15014 // [HGM] PV info: routine tests if comment empty
15015 DisplayComment(currentMove - 1, commentList[currentMove]);
15016 ClearMap(); // [HGM] exclude: invalidate map
15022 if (gameMode == IcsExamining && !pausing) {
15023 SendToICS(ics_prefix);
15024 SendToICS("backward\n");
15026 BackwardInner(currentMove - 1);
15033 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15034 /* to optimize, we temporarily turn off analysis mode while we undo
15035 * all the moves. Otherwise we get analysis output after each undo.
15037 if (first.analysisSupport) {
15038 SendToProgram("exit\nforce\n", &first);
15039 first.analyzing = FALSE;
15043 if (gameMode == IcsExamining && !pausing) {
15044 SendToICS(ics_prefix);
15045 SendToICS("backward 999999\n");
15047 BackwardInner(backwardMostMove);
15050 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15051 /* we have fed all the moves, so reactivate analysis mode */
15052 SendToProgram("analyze\n", &first);
15053 first.analyzing = TRUE;
15054 /*first.maybeThinking = TRUE;*/
15055 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15062 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15063 if (to >= forwardMostMove) to = forwardMostMove;
15064 if (to <= backwardMostMove) to = backwardMostMove;
15065 if (to < currentMove) {
15073 RevertEvent (Boolean annotate)
15075 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15078 if (gameMode != IcsExamining) {
15079 DisplayError(_("You are not examining a game"), 0);
15083 DisplayError(_("You can't revert while pausing"), 0);
15086 SendToICS(ics_prefix);
15087 SendToICS("revert\n");
15091 RetractMoveEvent ()
15093 switch (gameMode) {
15094 case MachinePlaysWhite:
15095 case MachinePlaysBlack:
15096 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15097 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15100 if (forwardMostMove < 2) return;
15101 currentMove = forwardMostMove = forwardMostMove - 2;
15102 whiteTimeRemaining = timeRemaining[0][currentMove];
15103 blackTimeRemaining = timeRemaining[1][currentMove];
15104 DisplayBothClocks();
15105 DisplayMove(currentMove - 1);
15106 ClearHighlights();/*!! could figure this out*/
15107 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15108 SendToProgram("remove\n", &first);
15109 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15112 case BeginningOfGame:
15116 case IcsPlayingWhite:
15117 case IcsPlayingBlack:
15118 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15119 SendToICS(ics_prefix);
15120 SendToICS("takeback 2\n");
15122 SendToICS(ics_prefix);
15123 SendToICS("takeback 1\n");
15132 ChessProgramState *cps;
15134 switch (gameMode) {
15135 case MachinePlaysWhite:
15136 if (!WhiteOnMove(forwardMostMove)) {
15137 DisplayError(_("It is your turn"), 0);
15142 case MachinePlaysBlack:
15143 if (WhiteOnMove(forwardMostMove)) {
15144 DisplayError(_("It is your turn"), 0);
15149 case TwoMachinesPlay:
15150 if (WhiteOnMove(forwardMostMove) ==
15151 (first.twoMachinesColor[0] == 'w')) {
15157 case BeginningOfGame:
15161 SendToProgram("?\n", cps);
15165 TruncateGameEvent ()
15168 if (gameMode != EditGame) return;
15175 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15176 if (forwardMostMove > currentMove) {
15177 if (gameInfo.resultDetails != NULL) {
15178 free(gameInfo.resultDetails);
15179 gameInfo.resultDetails = NULL;
15180 gameInfo.result = GameUnfinished;
15182 forwardMostMove = currentMove;
15183 HistorySet(parseList, backwardMostMove, forwardMostMove,
15191 if (appData.noChessProgram) return;
15192 switch (gameMode) {
15193 case MachinePlaysWhite:
15194 if (WhiteOnMove(forwardMostMove)) {
15195 DisplayError(_("Wait until your turn"), 0);
15199 case BeginningOfGame:
15200 case MachinePlaysBlack:
15201 if (!WhiteOnMove(forwardMostMove)) {
15202 DisplayError(_("Wait until your turn"), 0);
15207 DisplayError(_("No hint available"), 0);
15210 SendToProgram("hint\n", &first);
15211 hintRequested = TRUE;
15217 ListGame * lg = (ListGame *) gameList.head;
15220 static int secondTime = FALSE;
15222 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15223 DisplayError(_("Game list not loaded or empty"), 0);
15227 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15230 DisplayNote(_("Book file exists! Try again for overwrite."));
15234 creatingBook = TRUE;
15235 secondTime = FALSE;
15237 /* Get list size */
15238 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15239 LoadGame(f, nItem, "", TRUE);
15240 AddGameToBook(TRUE);
15241 lg = (ListGame *) lg->node.succ;
15244 creatingBook = FALSE;
15251 if (appData.noChessProgram) return;
15252 switch (gameMode) {
15253 case MachinePlaysWhite:
15254 if (WhiteOnMove(forwardMostMove)) {
15255 DisplayError(_("Wait until your turn"), 0);
15259 case BeginningOfGame:
15260 case MachinePlaysBlack:
15261 if (!WhiteOnMove(forwardMostMove)) {
15262 DisplayError(_("Wait until your turn"), 0);
15267 EditPositionDone(TRUE);
15269 case TwoMachinesPlay:
15274 SendToProgram("bk\n", &first);
15275 bookOutput[0] = NULLCHAR;
15276 bookRequested = TRUE;
15282 char *tags = PGNTags(&gameInfo);
15283 TagsPopUp(tags, CmailMsg());
15287 /* end button procedures */
15290 PrintPosition (FILE *fp, int move)
15294 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15295 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15296 char c = PieceToChar(boards[move][i][j]);
15297 fputc(c == 'x' ? '.' : c, fp);
15298 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15301 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15302 fprintf(fp, "white to play\n");
15304 fprintf(fp, "black to play\n");
15308 PrintOpponents (FILE *fp)
15310 if (gameInfo.white != NULL) {
15311 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15317 /* Find last component of program's own name, using some heuristics */
15319 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15322 int local = (strcmp(host, "localhost") == 0);
15323 while (!local && (p = strchr(prog, ';')) != NULL) {
15325 while (*p == ' ') p++;
15328 if (*prog == '"' || *prog == '\'') {
15329 q = strchr(prog + 1, *prog);
15331 q = strchr(prog, ' ');
15333 if (q == NULL) q = prog + strlen(prog);
15335 while (p >= prog && *p != '/' && *p != '\\') p--;
15337 if(p == prog && *p == '"') p++;
15339 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15340 memcpy(buf, p, q - p);
15341 buf[q - p] = NULLCHAR;
15349 TimeControlTagValue ()
15352 if (!appData.clockMode) {
15353 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15354 } else if (movesPerSession > 0) {
15355 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15356 } else if (timeIncrement == 0) {
15357 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15359 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15361 return StrSave(buf);
15367 /* This routine is used only for certain modes */
15368 VariantClass v = gameInfo.variant;
15369 ChessMove r = GameUnfinished;
15372 if(keepInfo) return;
15374 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15375 r = gameInfo.result;
15376 p = gameInfo.resultDetails;
15377 gameInfo.resultDetails = NULL;
15379 ClearGameInfo(&gameInfo);
15380 gameInfo.variant = v;
15382 switch (gameMode) {
15383 case MachinePlaysWhite:
15384 gameInfo.event = StrSave( appData.pgnEventHeader );
15385 gameInfo.site = StrSave(HostName());
15386 gameInfo.date = PGNDate();
15387 gameInfo.round = StrSave("-");
15388 gameInfo.white = StrSave(first.tidy);
15389 gameInfo.black = StrSave(UserName());
15390 gameInfo.timeControl = TimeControlTagValue();
15393 case MachinePlaysBlack:
15394 gameInfo.event = StrSave( appData.pgnEventHeader );
15395 gameInfo.site = StrSave(HostName());
15396 gameInfo.date = PGNDate();
15397 gameInfo.round = StrSave("-");
15398 gameInfo.white = StrSave(UserName());
15399 gameInfo.black = StrSave(first.tidy);
15400 gameInfo.timeControl = TimeControlTagValue();
15403 case TwoMachinesPlay:
15404 gameInfo.event = StrSave( appData.pgnEventHeader );
15405 gameInfo.site = StrSave(HostName());
15406 gameInfo.date = PGNDate();
15409 snprintf(buf, MSG_SIZ, "%d", roundNr);
15410 gameInfo.round = StrSave(buf);
15412 gameInfo.round = StrSave("-");
15414 if (first.twoMachinesColor[0] == 'w') {
15415 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15416 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15418 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15419 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15421 gameInfo.timeControl = TimeControlTagValue();
15425 gameInfo.event = StrSave("Edited game");
15426 gameInfo.site = StrSave(HostName());
15427 gameInfo.date = PGNDate();
15428 gameInfo.round = StrSave("-");
15429 gameInfo.white = StrSave("-");
15430 gameInfo.black = StrSave("-");
15431 gameInfo.result = r;
15432 gameInfo.resultDetails = p;
15436 gameInfo.event = StrSave("Edited position");
15437 gameInfo.site = StrSave(HostName());
15438 gameInfo.date = PGNDate();
15439 gameInfo.round = StrSave("-");
15440 gameInfo.white = StrSave("-");
15441 gameInfo.black = StrSave("-");
15444 case IcsPlayingWhite:
15445 case IcsPlayingBlack:
15450 case PlayFromGameFile:
15451 gameInfo.event = StrSave("Game from non-PGN file");
15452 gameInfo.site = StrSave(HostName());
15453 gameInfo.date = PGNDate();
15454 gameInfo.round = StrSave("-");
15455 gameInfo.white = StrSave("?");
15456 gameInfo.black = StrSave("?");
15465 ReplaceComment (int index, char *text)
15471 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15472 pvInfoList[index-1].depth == len &&
15473 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15474 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15475 while (*text == '\n') text++;
15476 len = strlen(text);
15477 while (len > 0 && text[len - 1] == '\n') len--;
15479 if (commentList[index] != NULL)
15480 free(commentList[index]);
15483 commentList[index] = NULL;
15486 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15487 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15488 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15489 commentList[index] = (char *) malloc(len + 2);
15490 strncpy(commentList[index], text, len);
15491 commentList[index][len] = '\n';
15492 commentList[index][len + 1] = NULLCHAR;
15494 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15496 commentList[index] = (char *) malloc(len + 7);
15497 safeStrCpy(commentList[index], "{\n", 3);
15498 safeStrCpy(commentList[index]+2, text, len+1);
15499 commentList[index][len+2] = NULLCHAR;
15500 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15501 strcat(commentList[index], "\n}\n");
15506 CrushCRs (char *text)
15514 if (ch == '\r') continue;
15516 } while (ch != '\0');
15520 AppendComment (int index, char *text, Boolean addBraces)
15521 /* addBraces tells if we should add {} */
15526 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15527 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15530 while (*text == '\n') text++;
15531 len = strlen(text);
15532 while (len > 0 && text[len - 1] == '\n') len--;
15533 text[len] = NULLCHAR;
15535 if (len == 0) return;
15537 if (commentList[index] != NULL) {
15538 Boolean addClosingBrace = addBraces;
15539 old = commentList[index];
15540 oldlen = strlen(old);
15541 while(commentList[index][oldlen-1] == '\n')
15542 commentList[index][--oldlen] = NULLCHAR;
15543 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15544 safeStrCpy(commentList[index], old, oldlen + len + 6);
15546 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15547 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15548 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15549 while (*text == '\n') { text++; len--; }
15550 commentList[index][--oldlen] = NULLCHAR;
15552 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15553 else strcat(commentList[index], "\n");
15554 strcat(commentList[index], text);
15555 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15556 else strcat(commentList[index], "\n");
15558 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15560 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15561 else commentList[index][0] = NULLCHAR;
15562 strcat(commentList[index], text);
15563 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15564 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15569 FindStr (char * text, char * sub_text)
15571 char * result = strstr( text, sub_text );
15573 if( result != NULL ) {
15574 result += strlen( sub_text );
15580 /* [AS] Try to extract PV info from PGN comment */
15581 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15583 GetInfoFromComment (int index, char * text)
15585 char * sep = text, *p;
15587 if( text != NULL && index > 0 ) {
15590 int time = -1, sec = 0, deci;
15591 char * s_eval = FindStr( text, "[%eval " );
15592 char * s_emt = FindStr( text, "[%emt " );
15594 if( s_eval != NULL || s_emt != NULL ) {
15598 if( s_eval != NULL ) {
15599 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15603 if( delim != ']' ) {
15608 if( s_emt != NULL ) {
15613 /* We expect something like: [+|-]nnn.nn/dd */
15616 if(*text != '{') return text; // [HGM] braces: must be normal comment
15618 sep = strchr( text, '/' );
15619 if( sep == NULL || sep < (text+4) ) {
15624 if(p[1] == '(') { // comment starts with PV
15625 p = strchr(p, ')'); // locate end of PV
15626 if(p == NULL || sep < p+5) return text;
15627 // at this point we have something like "{(.*) +0.23/6 ..."
15628 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15629 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15630 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15632 time = -1; sec = -1; deci = -1;
15633 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15634 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15635 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15636 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15640 if( score_lo < 0 || score_lo >= 100 ) {
15644 if(sec >= 0) time = 600*time + 10*sec; else
15645 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15647 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15649 /* [HGM] PV time: now locate end of PV info */
15650 while( *++sep >= '0' && *sep <= '9'); // strip depth
15652 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15654 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15656 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15657 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15668 pvInfoList[index-1].depth = depth;
15669 pvInfoList[index-1].score = score;
15670 pvInfoList[index-1].time = 10*time; // centi-sec
15671 if(*sep == '}') *sep = 0; else *--sep = '{';
15672 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15678 SendToProgram (char *message, ChessProgramState *cps)
15680 int count, outCount, error;
15683 if (cps->pr == NoProc) return;
15686 if (appData.debugMode) {
15689 fprintf(debugFP, "%ld >%-6s: %s",
15690 SubtractTimeMarks(&now, &programStartTime),
15691 cps->which, message);
15693 fprintf(serverFP, "%ld >%-6s: %s",
15694 SubtractTimeMarks(&now, &programStartTime),
15695 cps->which, message), fflush(serverFP);
15698 count = strlen(message);
15699 outCount = OutputToProcess(cps->pr, message, count, &error);
15700 if (outCount < count && !exiting
15701 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15702 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15703 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15704 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15705 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15706 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15707 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15708 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15710 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15711 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15712 gameInfo.result = res;
15714 gameInfo.resultDetails = StrSave(buf);
15716 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15717 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15722 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15726 ChessProgramState *cps = (ChessProgramState *)closure;
15728 if (isr != cps->isr) return; /* Killed intentionally */
15731 RemoveInputSource(cps->isr);
15732 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15733 _(cps->which), cps->program);
15734 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15735 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15736 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15737 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15738 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15739 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15741 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15742 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15743 gameInfo.result = res;
15745 gameInfo.resultDetails = StrSave(buf);
15747 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15748 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15750 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15751 _(cps->which), cps->program);
15752 RemoveInputSource(cps->isr);
15754 /* [AS] Program is misbehaving badly... kill it */
15755 if( count == -2 ) {
15756 DestroyChildProcess( cps->pr, 9 );
15760 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15765 if ((end_str = strchr(message, '\r')) != NULL)
15766 *end_str = NULLCHAR;
15767 if ((end_str = strchr(message, '\n')) != NULL)
15768 *end_str = NULLCHAR;
15770 if (appData.debugMode) {
15771 TimeMark now; int print = 1;
15772 char *quote = ""; char c; int i;
15774 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15775 char start = message[0];
15776 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15777 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15778 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15779 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15780 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15781 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15782 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15783 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15784 sscanf(message, "hint: %c", &c)!=1 &&
15785 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15786 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15787 print = (appData.engineComments >= 2);
15789 message[0] = start; // restore original message
15793 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15794 SubtractTimeMarks(&now, &programStartTime), cps->which,
15798 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15799 SubtractTimeMarks(&now, &programStartTime), cps->which,
15801 message), fflush(serverFP);
15805 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15806 if (appData.icsEngineAnalyze) {
15807 if (strstr(message, "whisper") != NULL ||
15808 strstr(message, "kibitz") != NULL ||
15809 strstr(message, "tellics") != NULL) return;
15812 HandleMachineMove(message, cps);
15817 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15822 if( timeControl_2 > 0 ) {
15823 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15824 tc = timeControl_2;
15827 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15828 inc /= cps->timeOdds;
15829 st /= cps->timeOdds;
15831 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15834 /* Set exact time per move, normally using st command */
15835 if (cps->stKludge) {
15836 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15838 if (seconds == 0) {
15839 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15841 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15844 snprintf(buf, MSG_SIZ, "st %d\n", st);
15847 /* Set conventional or incremental time control, using level command */
15848 if (seconds == 0) {
15849 /* Note old gnuchess bug -- minutes:seconds used to not work.
15850 Fixed in later versions, but still avoid :seconds
15851 when seconds is 0. */
15852 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15854 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15855 seconds, inc/1000.);
15858 SendToProgram(buf, cps);
15860 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15861 /* Orthogonally, limit search to given depth */
15863 if (cps->sdKludge) {
15864 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15866 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15868 SendToProgram(buf, cps);
15871 if(cps->nps >= 0) { /* [HGM] nps */
15872 if(cps->supportsNPS == FALSE)
15873 cps->nps = -1; // don't use if engine explicitly says not supported!
15875 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15876 SendToProgram(buf, cps);
15881 ChessProgramState *
15883 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15885 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15886 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15892 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15894 char message[MSG_SIZ];
15897 /* Note: this routine must be called when the clocks are stopped
15898 or when they have *just* been set or switched; otherwise
15899 it will be off by the time since the current tick started.
15901 if (machineWhite) {
15902 time = whiteTimeRemaining / 10;
15903 otime = blackTimeRemaining / 10;
15905 time = blackTimeRemaining / 10;
15906 otime = whiteTimeRemaining / 10;
15908 /* [HGM] translate opponent's time by time-odds factor */
15909 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15911 if (time <= 0) time = 1;
15912 if (otime <= 0) otime = 1;
15914 snprintf(message, MSG_SIZ, "time %ld\n", time);
15915 SendToProgram(message, cps);
15917 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15918 SendToProgram(message, cps);
15922 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15925 int len = strlen(name);
15928 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15930 sscanf(*p, "%d", &val);
15932 while (**p && **p != ' ')
15934 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15935 SendToProgram(buf, cps);
15942 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15945 int len = strlen(name);
15946 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15948 sscanf(*p, "%d", loc);
15949 while (**p && **p != ' ') (*p)++;
15950 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15951 SendToProgram(buf, cps);
15958 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
15961 int len = strlen(name);
15962 if (strncmp((*p), name, len) == 0
15963 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15965 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
15966 sscanf(*p, "%[^\"]", *loc);
15967 while (**p && **p != '\"') (*p)++;
15968 if (**p == '\"') (*p)++;
15969 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15970 SendToProgram(buf, cps);
15977 ParseOption (Option *opt, ChessProgramState *cps)
15978 // [HGM] options: process the string that defines an engine option, and determine
15979 // name, type, default value, and allowed value range
15981 char *p, *q, buf[MSG_SIZ];
15982 int n, min = (-1)<<31, max = 1<<31, def;
15984 if(p = strstr(opt->name, " -spin ")) {
15985 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15986 if(max < min) max = min; // enforce consistency
15987 if(def < min) def = min;
15988 if(def > max) def = max;
15993 } else if((p = strstr(opt->name, " -slider "))) {
15994 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15995 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15996 if(max < min) max = min; // enforce consistency
15997 if(def < min) def = min;
15998 if(def > max) def = max;
16002 opt->type = Spin; // Slider;
16003 } else if((p = strstr(opt->name, " -string "))) {
16004 opt->textValue = p+9;
16005 opt->type = TextBox;
16006 } else if((p = strstr(opt->name, " -file "))) {
16007 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16008 opt->textValue = p+7;
16009 opt->type = FileName; // FileName;
16010 } else if((p = strstr(opt->name, " -path "))) {
16011 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16012 opt->textValue = p+7;
16013 opt->type = PathName; // PathName;
16014 } else if(p = strstr(opt->name, " -check ")) {
16015 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16016 opt->value = (def != 0);
16017 opt->type = CheckBox;
16018 } else if(p = strstr(opt->name, " -combo ")) {
16019 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16020 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16021 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16022 opt->value = n = 0;
16023 while(q = StrStr(q, " /// ")) {
16024 n++; *q = 0; // count choices, and null-terminate each of them
16026 if(*q == '*') { // remember default, which is marked with * prefix
16030 cps->comboList[cps->comboCnt++] = q;
16032 cps->comboList[cps->comboCnt++] = NULL;
16034 opt->type = ComboBox;
16035 } else if(p = strstr(opt->name, " -button")) {
16036 opt->type = Button;
16037 } else if(p = strstr(opt->name, " -save")) {
16038 opt->type = SaveButton;
16039 } else return FALSE;
16040 *p = 0; // terminate option name
16041 // now look if the command-line options define a setting for this engine option.
16042 if(cps->optionSettings && cps->optionSettings[0])
16043 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16044 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16045 snprintf(buf, MSG_SIZ, "option %s", p);
16046 if(p = strstr(buf, ",")) *p = 0;
16047 if(q = strchr(buf, '=')) switch(opt->type) {
16049 for(n=0; n<opt->max; n++)
16050 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16053 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16057 opt->value = atoi(q+1);
16062 SendToProgram(buf, cps);
16068 FeatureDone (ChessProgramState *cps, int val)
16070 DelayedEventCallback cb = GetDelayedEvent();
16071 if ((cb == InitBackEnd3 && cps == &first) ||
16072 (cb == SettingsMenuIfReady && cps == &second) ||
16073 (cb == LoadEngine) ||
16074 (cb == TwoMachinesEventIfReady)) {
16075 CancelDelayedEvent();
16076 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16078 cps->initDone = val;
16079 if(val) cps->reload = FALSE;
16082 /* Parse feature command from engine */
16084 ParseFeatures (char *args, ChessProgramState *cps)
16092 while (*p == ' ') p++;
16093 if (*p == NULLCHAR) return;
16095 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16096 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16097 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16098 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16099 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16100 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16101 if (BoolFeature(&p, "reuse", &val, cps)) {
16102 /* Engine can disable reuse, but can't enable it if user said no */
16103 if (!val) cps->reuse = FALSE;
16106 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16107 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16108 if (gameMode == TwoMachinesPlay) {
16109 DisplayTwoMachinesTitle();
16115 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16116 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16117 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16118 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16119 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16120 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16121 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16122 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16123 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16124 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16125 if (IntFeature(&p, "done", &val, cps)) {
16126 FeatureDone(cps, val);
16129 /* Added by Tord: */
16130 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16131 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16132 /* End of additions by Tord */
16134 /* [HGM] added features: */
16135 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16136 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16137 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16138 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16139 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16140 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16141 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16142 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16143 FREE(cps->option[cps->nrOptions].name);
16144 cps->option[cps->nrOptions].name = q; q = NULL;
16145 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16146 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16147 SendToProgram(buf, cps);
16150 if(cps->nrOptions >= MAX_OPTIONS) {
16152 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16153 DisplayError(buf, 0);
16157 /* End of additions by HGM */
16159 /* unknown feature: complain and skip */
16161 while (*q && *q != '=') q++;
16162 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16163 SendToProgram(buf, cps);
16169 while (*p && *p != '\"') p++;
16170 if (*p == '\"') p++;
16172 while (*p && *p != ' ') p++;
16180 PeriodicUpdatesEvent (int newState)
16182 if (newState == appData.periodicUpdates)
16185 appData.periodicUpdates=newState;
16187 /* Display type changes, so update it now */
16188 // DisplayAnalysis();
16190 /* Get the ball rolling again... */
16192 AnalysisPeriodicEvent(1);
16193 StartAnalysisClock();
16198 PonderNextMoveEvent (int newState)
16200 if (newState == appData.ponderNextMove) return;
16201 if (gameMode == EditPosition) EditPositionDone(TRUE);
16203 SendToProgram("hard\n", &first);
16204 if (gameMode == TwoMachinesPlay) {
16205 SendToProgram("hard\n", &second);
16208 SendToProgram("easy\n", &first);
16209 thinkOutput[0] = NULLCHAR;
16210 if (gameMode == TwoMachinesPlay) {
16211 SendToProgram("easy\n", &second);
16214 appData.ponderNextMove = newState;
16218 NewSettingEvent (int option, int *feature, char *command, int value)
16222 if (gameMode == EditPosition) EditPositionDone(TRUE);
16223 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16224 if(feature == NULL || *feature) SendToProgram(buf, &first);
16225 if (gameMode == TwoMachinesPlay) {
16226 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16231 ShowThinkingEvent ()
16232 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16234 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16235 int newState = appData.showThinking
16236 // [HGM] thinking: other features now need thinking output as well
16237 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16239 if (oldState == newState) return;
16240 oldState = newState;
16241 if (gameMode == EditPosition) EditPositionDone(TRUE);
16243 SendToProgram("post\n", &first);
16244 if (gameMode == TwoMachinesPlay) {
16245 SendToProgram("post\n", &second);
16248 SendToProgram("nopost\n", &first);
16249 thinkOutput[0] = NULLCHAR;
16250 if (gameMode == TwoMachinesPlay) {
16251 SendToProgram("nopost\n", &second);
16254 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16258 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16260 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16261 if (pr == NoProc) return;
16262 AskQuestion(title, question, replyPrefix, pr);
16266 TypeInEvent (char firstChar)
16268 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16269 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16270 gameMode == AnalyzeMode || gameMode == EditGame ||
16271 gameMode == EditPosition || gameMode == IcsExamining ||
16272 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16273 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16274 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16275 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16276 gameMode == Training) PopUpMoveDialog(firstChar);
16280 TypeInDoneEvent (char *move)
16283 int n, fromX, fromY, toX, toY;
16285 ChessMove moveType;
16288 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16289 EditPositionPasteFEN(move);
16292 // [HGM] movenum: allow move number to be typed in any mode
16293 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16297 // undocumented kludge: allow command-line option to be typed in!
16298 // (potentially fatal, and does not implement the effect of the option.)
16299 // should only be used for options that are values on which future decisions will be made,
16300 // and definitely not on options that would be used during initialization.
16301 if(strstr(move, "!!! -") == move) {
16302 ParseArgsFromString(move+4);
16306 if (gameMode != EditGame && currentMove != forwardMostMove &&
16307 gameMode != Training) {
16308 DisplayMoveError(_("Displayed move is not current"));
16310 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16311 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16312 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16313 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16314 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16315 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16317 DisplayMoveError(_("Could not parse move"));
16323 DisplayMove (int moveNumber)
16325 char message[MSG_SIZ];
16327 char cpThinkOutput[MSG_SIZ];
16329 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16331 if (moveNumber == forwardMostMove - 1 ||
16332 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16334 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16336 if (strchr(cpThinkOutput, '\n')) {
16337 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16340 *cpThinkOutput = NULLCHAR;
16343 /* [AS] Hide thinking from human user */
16344 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16345 *cpThinkOutput = NULLCHAR;
16346 if( thinkOutput[0] != NULLCHAR ) {
16349 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16350 cpThinkOutput[i] = '.';
16352 cpThinkOutput[i] = NULLCHAR;
16353 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16357 if (moveNumber == forwardMostMove - 1 &&
16358 gameInfo.resultDetails != NULL) {
16359 if (gameInfo.resultDetails[0] == NULLCHAR) {
16360 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16362 snprintf(res, MSG_SIZ, " {%s} %s",
16363 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16369 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16370 DisplayMessage(res, cpThinkOutput);
16372 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16373 WhiteOnMove(moveNumber) ? " " : ".. ",
16374 parseList[moveNumber], res);
16375 DisplayMessage(message, cpThinkOutput);
16380 DisplayComment (int moveNumber, char *text)
16382 char title[MSG_SIZ];
16384 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16385 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16387 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16388 WhiteOnMove(moveNumber) ? " " : ".. ",
16389 parseList[moveNumber]);
16391 if (text != NULL && (appData.autoDisplayComment || commentUp))
16392 CommentPopUp(title, text);
16395 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16396 * might be busy thinking or pondering. It can be omitted if your
16397 * gnuchess is configured to stop thinking immediately on any user
16398 * input. However, that gnuchess feature depends on the FIONREAD
16399 * ioctl, which does not work properly on some flavors of Unix.
16402 Attention (ChessProgramState *cps)
16405 if (!cps->useSigint) return;
16406 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16407 switch (gameMode) {
16408 case MachinePlaysWhite:
16409 case MachinePlaysBlack:
16410 case TwoMachinesPlay:
16411 case IcsPlayingWhite:
16412 case IcsPlayingBlack:
16415 /* Skip if we know it isn't thinking */
16416 if (!cps->maybeThinking) return;
16417 if (appData.debugMode)
16418 fprintf(debugFP, "Interrupting %s\n", cps->which);
16419 InterruptChildProcess(cps->pr);
16420 cps->maybeThinking = FALSE;
16425 #endif /*ATTENTION*/
16431 if (whiteTimeRemaining <= 0) {
16434 if (appData.icsActive) {
16435 if (appData.autoCallFlag &&
16436 gameMode == IcsPlayingBlack && !blackFlag) {
16437 SendToICS(ics_prefix);
16438 SendToICS("flag\n");
16442 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16444 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16445 if (appData.autoCallFlag) {
16446 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16453 if (blackTimeRemaining <= 0) {
16456 if (appData.icsActive) {
16457 if (appData.autoCallFlag &&
16458 gameMode == IcsPlayingWhite && !whiteFlag) {
16459 SendToICS(ics_prefix);
16460 SendToICS("flag\n");
16464 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16466 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16467 if (appData.autoCallFlag) {
16468 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16479 CheckTimeControl ()
16481 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16482 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16485 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16487 if ( !WhiteOnMove(forwardMostMove) ) {
16488 /* White made time control */
16489 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16490 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16491 /* [HGM] time odds: correct new time quota for time odds! */
16492 / WhitePlayer()->timeOdds;
16493 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16495 lastBlack -= blackTimeRemaining;
16496 /* Black made time control */
16497 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16498 / WhitePlayer()->other->timeOdds;
16499 lastWhite = whiteTimeRemaining;
16504 DisplayBothClocks ()
16506 int wom = gameMode == EditPosition ?
16507 !blackPlaysFirst : WhiteOnMove(currentMove);
16508 DisplayWhiteClock(whiteTimeRemaining, wom);
16509 DisplayBlackClock(blackTimeRemaining, !wom);
16513 /* Timekeeping seems to be a portability nightmare. I think everyone
16514 has ftime(), but I'm really not sure, so I'm including some ifdefs
16515 to use other calls if you don't. Clocks will be less accurate if
16516 you have neither ftime nor gettimeofday.
16519 /* VS 2008 requires the #include outside of the function */
16520 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16521 #include <sys/timeb.h>
16524 /* Get the current time as a TimeMark */
16526 GetTimeMark (TimeMark *tm)
16528 #if HAVE_GETTIMEOFDAY
16530 struct timeval timeVal;
16531 struct timezone timeZone;
16533 gettimeofday(&timeVal, &timeZone);
16534 tm->sec = (long) timeVal.tv_sec;
16535 tm->ms = (int) (timeVal.tv_usec / 1000L);
16537 #else /*!HAVE_GETTIMEOFDAY*/
16540 // include <sys/timeb.h> / moved to just above start of function
16541 struct timeb timeB;
16544 tm->sec = (long) timeB.time;
16545 tm->ms = (int) timeB.millitm;
16547 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16548 tm->sec = (long) time(NULL);
16554 /* Return the difference in milliseconds between two
16555 time marks. We assume the difference will fit in a long!
16558 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16560 return 1000L*(tm2->sec - tm1->sec) +
16561 (long) (tm2->ms - tm1->ms);
16566 * Code to manage the game clocks.
16568 * In tournament play, black starts the clock and then white makes a move.
16569 * We give the human user a slight advantage if he is playing white---the
16570 * clocks don't run until he makes his first move, so it takes zero time.
16571 * Also, we don't account for network lag, so we could get out of sync
16572 * with GNU Chess's clock -- but then, referees are always right.
16575 static TimeMark tickStartTM;
16576 static long intendedTickLength;
16579 NextTickLength (long timeRemaining)
16581 long nominalTickLength, nextTickLength;
16583 if (timeRemaining > 0L && timeRemaining <= 10000L)
16584 nominalTickLength = 100L;
16586 nominalTickLength = 1000L;
16587 nextTickLength = timeRemaining % nominalTickLength;
16588 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16590 return nextTickLength;
16593 /* Adjust clock one minute up or down */
16595 AdjustClock (Boolean which, int dir)
16597 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16598 if(which) blackTimeRemaining += 60000*dir;
16599 else whiteTimeRemaining += 60000*dir;
16600 DisplayBothClocks();
16601 adjustedClock = TRUE;
16604 /* Stop clocks and reset to a fresh time control */
16608 (void) StopClockTimer();
16609 if (appData.icsActive) {
16610 whiteTimeRemaining = blackTimeRemaining = 0;
16611 } else if (searchTime) {
16612 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16613 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16614 } else { /* [HGM] correct new time quote for time odds */
16615 whiteTC = blackTC = fullTimeControlString;
16616 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16617 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16619 if (whiteFlag || blackFlag) {
16621 whiteFlag = blackFlag = FALSE;
16623 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16624 DisplayBothClocks();
16625 adjustedClock = FALSE;
16628 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16630 /* Decrement running clock by amount of time that has passed */
16634 long timeRemaining;
16635 long lastTickLength, fudge;
16638 if (!appData.clockMode) return;
16639 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16643 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16645 /* Fudge if we woke up a little too soon */
16646 fudge = intendedTickLength - lastTickLength;
16647 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16649 if (WhiteOnMove(forwardMostMove)) {
16650 if(whiteNPS >= 0) lastTickLength = 0;
16651 timeRemaining = whiteTimeRemaining -= lastTickLength;
16652 if(timeRemaining < 0 && !appData.icsActive) {
16653 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16654 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16655 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16656 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16659 DisplayWhiteClock(whiteTimeRemaining - fudge,
16660 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16662 if(blackNPS >= 0) lastTickLength = 0;
16663 timeRemaining = blackTimeRemaining -= lastTickLength;
16664 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16665 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16667 blackStartMove = forwardMostMove;
16668 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16671 DisplayBlackClock(blackTimeRemaining - fudge,
16672 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16674 if (CheckFlags()) return;
16676 if(twoBoards) { // count down secondary board's clocks as well
16677 activePartnerTime -= lastTickLength;
16679 if(activePartner == 'W')
16680 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16682 DisplayBlackClock(activePartnerTime, TRUE);
16687 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16688 StartClockTimer(intendedTickLength);
16690 /* if the time remaining has fallen below the alarm threshold, sound the
16691 * alarm. if the alarm has sounded and (due to a takeback or time control
16692 * with increment) the time remaining has increased to a level above the
16693 * threshold, reset the alarm so it can sound again.
16696 if (appData.icsActive && appData.icsAlarm) {
16698 /* make sure we are dealing with the user's clock */
16699 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16700 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16703 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16704 alarmSounded = FALSE;
16705 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16707 alarmSounded = TRUE;
16713 /* A player has just moved, so stop the previously running
16714 clock and (if in clock mode) start the other one.
16715 We redisplay both clocks in case we're in ICS mode, because
16716 ICS gives us an update to both clocks after every move.
16717 Note that this routine is called *after* forwardMostMove
16718 is updated, so the last fractional tick must be subtracted
16719 from the color that is *not* on move now.
16722 SwitchClocks (int newMoveNr)
16724 long lastTickLength;
16726 int flagged = FALSE;
16730 if (StopClockTimer() && appData.clockMode) {
16731 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16732 if (!WhiteOnMove(forwardMostMove)) {
16733 if(blackNPS >= 0) lastTickLength = 0;
16734 blackTimeRemaining -= lastTickLength;
16735 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16736 // if(pvInfoList[forwardMostMove].time == -1)
16737 pvInfoList[forwardMostMove].time = // use GUI time
16738 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16740 if(whiteNPS >= 0) lastTickLength = 0;
16741 whiteTimeRemaining -= lastTickLength;
16742 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16743 // if(pvInfoList[forwardMostMove].time == -1)
16744 pvInfoList[forwardMostMove].time =
16745 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16747 flagged = CheckFlags();
16749 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16750 CheckTimeControl();
16752 if (flagged || !appData.clockMode) return;
16754 switch (gameMode) {
16755 case MachinePlaysBlack:
16756 case MachinePlaysWhite:
16757 case BeginningOfGame:
16758 if (pausing) return;
16762 case PlayFromGameFile:
16770 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16771 if(WhiteOnMove(forwardMostMove))
16772 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16773 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16777 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16778 whiteTimeRemaining : blackTimeRemaining);
16779 StartClockTimer(intendedTickLength);
16783 /* Stop both clocks */
16787 long lastTickLength;
16790 if (!StopClockTimer()) return;
16791 if (!appData.clockMode) return;
16795 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16796 if (WhiteOnMove(forwardMostMove)) {
16797 if(whiteNPS >= 0) lastTickLength = 0;
16798 whiteTimeRemaining -= lastTickLength;
16799 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16801 if(blackNPS >= 0) lastTickLength = 0;
16802 blackTimeRemaining -= lastTickLength;
16803 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16808 /* Start clock of player on move. Time may have been reset, so
16809 if clock is already running, stop and restart it. */
16813 (void) StopClockTimer(); /* in case it was running already */
16814 DisplayBothClocks();
16815 if (CheckFlags()) return;
16817 if (!appData.clockMode) return;
16818 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16820 GetTimeMark(&tickStartTM);
16821 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16822 whiteTimeRemaining : blackTimeRemaining);
16824 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16825 whiteNPS = blackNPS = -1;
16826 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16827 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16828 whiteNPS = first.nps;
16829 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16830 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16831 blackNPS = first.nps;
16832 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16833 whiteNPS = second.nps;
16834 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16835 blackNPS = second.nps;
16836 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16838 StartClockTimer(intendedTickLength);
16842 TimeString (long ms)
16844 long second, minute, hour, day;
16846 static char buf[32];
16848 if (ms > 0 && ms <= 9900) {
16849 /* convert milliseconds to tenths, rounding up */
16850 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16852 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16856 /* convert milliseconds to seconds, rounding up */
16857 /* use floating point to avoid strangeness of integer division
16858 with negative dividends on many machines */
16859 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16866 day = second / (60 * 60 * 24);
16867 second = second % (60 * 60 * 24);
16868 hour = second / (60 * 60);
16869 second = second % (60 * 60);
16870 minute = second / 60;
16871 second = second % 60;
16874 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16875 sign, day, hour, minute, second);
16877 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16879 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16886 * This is necessary because some C libraries aren't ANSI C compliant yet.
16889 StrStr (char *string, char *match)
16893 length = strlen(match);
16895 for (i = strlen(string) - length; i >= 0; i--, string++)
16896 if (!strncmp(match, string, length))
16903 StrCaseStr (char *string, char *match)
16907 length = strlen(match);
16909 for (i = strlen(string) - length; i >= 0; i--, string++) {
16910 for (j = 0; j < length; j++) {
16911 if (ToLower(match[j]) != ToLower(string[j]))
16914 if (j == length) return string;
16922 StrCaseCmp (char *s1, char *s2)
16927 c1 = ToLower(*s1++);
16928 c2 = ToLower(*s2++);
16929 if (c1 > c2) return 1;
16930 if (c1 < c2) return -1;
16931 if (c1 == NULLCHAR) return 0;
16939 return isupper(c) ? tolower(c) : c;
16946 return islower(c) ? toupper(c) : c;
16948 #endif /* !_amigados */
16955 if ((ret = (char *) malloc(strlen(s) + 1)))
16957 safeStrCpy(ret, s, strlen(s)+1);
16963 StrSavePtr (char *s, char **savePtr)
16968 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16969 safeStrCpy(*savePtr, s, strlen(s)+1);
16981 clock = time((time_t *)NULL);
16982 tm = localtime(&clock);
16983 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16984 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16985 return StrSave(buf);
16990 PositionToFEN (int move, char *overrideCastling)
16992 int i, j, fromX, fromY, toX, toY;
16999 whiteToPlay = (gameMode == EditPosition) ?
17000 !blackPlaysFirst : (move % 2 == 0);
17003 /* Piece placement data */
17004 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17005 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17007 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17008 if (boards[move][i][j] == EmptySquare) {
17010 } else { ChessSquare piece = boards[move][i][j];
17011 if (emptycount > 0) {
17012 if(emptycount<10) /* [HGM] can be >= 10 */
17013 *p++ = '0' + emptycount;
17014 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17017 if(PieceToChar(piece) == '+') {
17018 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17020 piece = (ChessSquare)(DEMOTED piece);
17022 *p++ = PieceToChar(piece);
17024 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17025 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17030 if (emptycount > 0) {
17031 if(emptycount<10) /* [HGM] can be >= 10 */
17032 *p++ = '0' + emptycount;
17033 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17040 /* [HGM] print Crazyhouse or Shogi holdings */
17041 if( gameInfo.holdingsWidth ) {
17042 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17044 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17045 piece = boards[move][i][BOARD_WIDTH-1];
17046 if( piece != EmptySquare )
17047 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17048 *p++ = PieceToChar(piece);
17050 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17051 piece = boards[move][BOARD_HEIGHT-i-1][0];
17052 if( piece != EmptySquare )
17053 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17054 *p++ = PieceToChar(piece);
17057 if( q == p ) *p++ = '-';
17063 *p++ = whiteToPlay ? 'w' : 'b';
17066 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17067 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17069 if(nrCastlingRights) {
17071 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17072 /* [HGM] write directly from rights */
17073 if(boards[move][CASTLING][2] != NoRights &&
17074 boards[move][CASTLING][0] != NoRights )
17075 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17076 if(boards[move][CASTLING][2] != NoRights &&
17077 boards[move][CASTLING][1] != NoRights )
17078 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17079 if(boards[move][CASTLING][5] != NoRights &&
17080 boards[move][CASTLING][3] != NoRights )
17081 *p++ = boards[move][CASTLING][3] + AAA;
17082 if(boards[move][CASTLING][5] != NoRights &&
17083 boards[move][CASTLING][4] != NoRights )
17084 *p++ = boards[move][CASTLING][4] + AAA;
17087 /* [HGM] write true castling rights */
17088 if( nrCastlingRights == 6 ) {
17090 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17091 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17092 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17093 boards[move][CASTLING][2] != NoRights );
17094 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17095 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17096 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17097 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17098 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17102 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17103 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17104 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17105 boards[move][CASTLING][5] != NoRights );
17106 if(gameInfo.variant == VariantSChess) {
17107 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17108 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17109 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17110 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17115 if (q == p) *p++ = '-'; /* No castling rights */
17119 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17120 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17121 /* En passant target square */
17122 if (move > backwardMostMove) {
17123 fromX = moveList[move - 1][0] - AAA;
17124 fromY = moveList[move - 1][1] - ONE;
17125 toX = moveList[move - 1][2] - AAA;
17126 toY = moveList[move - 1][3] - ONE;
17127 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17128 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17129 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17131 /* 2-square pawn move just happened */
17133 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17137 } else if(move == backwardMostMove) {
17138 // [HGM] perhaps we should always do it like this, and forget the above?
17139 if((signed char)boards[move][EP_STATUS] >= 0) {
17140 *p++ = boards[move][EP_STATUS] + AAA;
17141 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17152 /* [HGM] find reversible plies */
17153 { int i = 0, j=move;
17155 if (appData.debugMode) { int k;
17156 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17157 for(k=backwardMostMove; k<=forwardMostMove; k++)
17158 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17162 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17163 if( j == backwardMostMove ) i += initialRulePlies;
17164 sprintf(p, "%d ", i);
17165 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17167 /* Fullmove number */
17168 sprintf(p, "%d", (move / 2) + 1);
17170 return StrSave(buf);
17174 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17178 int emptycount, virgin[BOARD_FILES];
17183 /* [HGM] by default clear Crazyhouse holdings, if present */
17184 if(gameInfo.holdingsWidth) {
17185 for(i=0; i<BOARD_HEIGHT; i++) {
17186 board[i][0] = EmptySquare; /* black holdings */
17187 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17188 board[i][1] = (ChessSquare) 0; /* black counts */
17189 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17193 /* Piece placement data */
17194 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17197 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17198 if (*p == '/') p++;
17199 emptycount = gameInfo.boardWidth - j;
17200 while (emptycount--)
17201 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17203 #if(BOARD_FILES >= 10)
17204 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17205 p++; emptycount=10;
17206 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17207 while (emptycount--)
17208 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17210 } else if (isdigit(*p)) {
17211 emptycount = *p++ - '0';
17212 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17213 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17214 while (emptycount--)
17215 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17216 } else if (*p == '+' || isalpha(*p)) {
17217 if (j >= gameInfo.boardWidth) return FALSE;
17219 piece = CharToPiece(*++p);
17220 if(piece == EmptySquare) return FALSE; /* unknown piece */
17221 piece = (ChessSquare) (PROMOTED piece ); p++;
17222 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17223 } else piece = CharToPiece(*p++);
17225 if(piece==EmptySquare) return FALSE; /* unknown piece */
17226 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17227 piece = (ChessSquare) (PROMOTED piece);
17228 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17231 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17237 while (*p == '/' || *p == ' ') p++;
17239 /* [HGM] look for Crazyhouse holdings here */
17240 while(*p==' ') p++;
17241 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17243 if(*p == '-' ) p++; /* empty holdings */ else {
17244 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17245 /* if we would allow FEN reading to set board size, we would */
17246 /* have to add holdings and shift the board read so far here */
17247 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17249 if((int) piece >= (int) BlackPawn ) {
17250 i = (int)piece - (int)BlackPawn;
17251 i = PieceToNumber((ChessSquare)i);
17252 if( i >= gameInfo.holdingsSize ) return FALSE;
17253 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17254 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17256 i = (int)piece - (int)WhitePawn;
17257 i = PieceToNumber((ChessSquare)i);
17258 if( i >= gameInfo.holdingsSize ) return FALSE;
17259 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17260 board[i][BOARD_WIDTH-2]++; /* black holdings */
17267 while(*p == ' ') p++;
17271 if(appData.colorNickNames) {
17272 if( c == appData.colorNickNames[0] ) c = 'w'; else
17273 if( c == appData.colorNickNames[1] ) c = 'b';
17277 *blackPlaysFirst = FALSE;
17280 *blackPlaysFirst = TRUE;
17286 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17287 /* return the extra info in global variiables */
17289 /* set defaults in case FEN is incomplete */
17290 board[EP_STATUS] = EP_UNKNOWN;
17291 for(i=0; i<nrCastlingRights; i++ ) {
17292 board[CASTLING][i] =
17293 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17294 } /* assume possible unless obviously impossible */
17295 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17296 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17297 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17298 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17299 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17300 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17301 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17302 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17305 while(*p==' ') p++;
17306 if(nrCastlingRights) {
17307 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17308 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17309 /* castling indicator present, so default becomes no castlings */
17310 for(i=0; i<nrCastlingRights; i++ ) {
17311 board[CASTLING][i] = NoRights;
17314 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17315 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17316 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17317 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17318 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17320 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17321 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17322 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17324 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17325 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17326 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17327 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17328 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17329 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17332 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17333 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17334 board[CASTLING][2] = whiteKingFile;
17335 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17336 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17339 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17340 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17341 board[CASTLING][2] = whiteKingFile;
17342 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17343 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17346 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17347 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17348 board[CASTLING][5] = blackKingFile;
17349 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17350 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17353 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17354 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17355 board[CASTLING][5] = blackKingFile;
17356 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17357 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17360 default: /* FRC castlings */
17361 if(c >= 'a') { /* black rights */
17362 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17363 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17364 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17365 if(i == BOARD_RGHT) break;
17366 board[CASTLING][5] = i;
17368 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17369 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17371 board[CASTLING][3] = c;
17373 board[CASTLING][4] = c;
17374 } else { /* white rights */
17375 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17376 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17377 if(board[0][i] == WhiteKing) break;
17378 if(i == BOARD_RGHT) break;
17379 board[CASTLING][2] = i;
17380 c -= AAA - 'a' + 'A';
17381 if(board[0][c] >= WhiteKing) break;
17383 board[CASTLING][0] = c;
17385 board[CASTLING][1] = c;
17389 for(i=0; i<nrCastlingRights; i++)
17390 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17391 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17392 if (appData.debugMode) {
17393 fprintf(debugFP, "FEN castling rights:");
17394 for(i=0; i<nrCastlingRights; i++)
17395 fprintf(debugFP, " %d", board[CASTLING][i]);
17396 fprintf(debugFP, "\n");
17399 while(*p==' ') p++;
17402 /* read e.p. field in games that know e.p. capture */
17403 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17404 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17406 p++; board[EP_STATUS] = EP_NONE;
17408 char c = *p++ - AAA;
17410 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17411 if(*p >= '0' && *p <='9') p++;
17412 board[EP_STATUS] = c;
17417 if(sscanf(p, "%d", &i) == 1) {
17418 FENrulePlies = i; /* 50-move ply counter */
17419 /* (The move number is still ignored) */
17426 EditPositionPasteFEN (char *fen)
17429 Board initial_position;
17431 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17432 DisplayError(_("Bad FEN position in clipboard"), 0);
17435 int savedBlackPlaysFirst = blackPlaysFirst;
17436 EditPositionEvent();
17437 blackPlaysFirst = savedBlackPlaysFirst;
17438 CopyBoard(boards[0], initial_position);
17439 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17440 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17441 DisplayBothClocks();
17442 DrawPosition(FALSE, boards[currentMove]);
17447 static char cseq[12] = "\\ ";
17450 set_cont_sequence (char *new_seq)
17455 // handle bad attempts to set the sequence
17457 return 0; // acceptable error - no debug
17459 len = strlen(new_seq);
17460 ret = (len > 0) && (len < sizeof(cseq));
17462 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17463 else if (appData.debugMode)
17464 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17469 reformat a source message so words don't cross the width boundary. internal
17470 newlines are not removed. returns the wrapped size (no null character unless
17471 included in source message). If dest is NULL, only calculate the size required
17472 for the dest buffer. lp argument indicats line position upon entry, and it's
17473 passed back upon exit.
17476 wrap (char *dest, char *src, int count, int width, int *lp)
17478 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17480 cseq_len = strlen(cseq);
17481 old_line = line = *lp;
17482 ansi = len = clen = 0;
17484 for (i=0; i < count; i++)
17486 if (src[i] == '\033')
17489 // if we hit the width, back up
17490 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17492 // store i & len in case the word is too long
17493 old_i = i, old_len = len;
17495 // find the end of the last word
17496 while (i && src[i] != ' ' && src[i] != '\n')
17502 // word too long? restore i & len before splitting it
17503 if ((old_i-i+clen) >= width)
17510 if (i && src[i-1] == ' ')
17513 if (src[i] != ' ' && src[i] != '\n')
17520 // now append the newline and continuation sequence
17525 strncpy(dest+len, cseq, cseq_len);
17533 dest[len] = src[i];
17537 if (src[i] == '\n')
17542 if (dest && appData.debugMode)
17544 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17545 count, width, line, len, *lp);
17546 show_bytes(debugFP, src, count);
17547 fprintf(debugFP, "\ndest: ");
17548 show_bytes(debugFP, dest, len);
17549 fprintf(debugFP, "\n");
17551 *lp = dest ? line : old_line;
17556 // [HGM] vari: routines for shelving variations
17557 Boolean modeRestore = FALSE;
17560 PushInner (int firstMove, int lastMove)
17562 int i, j, nrMoves = lastMove - firstMove;
17564 // push current tail of game on stack
17565 savedResult[storedGames] = gameInfo.result;
17566 savedDetails[storedGames] = gameInfo.resultDetails;
17567 gameInfo.resultDetails = NULL;
17568 savedFirst[storedGames] = firstMove;
17569 savedLast [storedGames] = lastMove;
17570 savedFramePtr[storedGames] = framePtr;
17571 framePtr -= nrMoves; // reserve space for the boards
17572 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17573 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17574 for(j=0; j<MOVE_LEN; j++)
17575 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17576 for(j=0; j<2*MOVE_LEN; j++)
17577 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17578 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17579 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17580 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17581 pvInfoList[firstMove+i-1].depth = 0;
17582 commentList[framePtr+i] = commentList[firstMove+i];
17583 commentList[firstMove+i] = NULL;
17587 forwardMostMove = firstMove; // truncate game so we can start variation
17591 PushTail (int firstMove, int lastMove)
17593 if(appData.icsActive) { // only in local mode
17594 forwardMostMove = currentMove; // mimic old ICS behavior
17597 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17599 PushInner(firstMove, lastMove);
17600 if(storedGames == 1) GreyRevert(FALSE);
17601 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17605 PopInner (Boolean annotate)
17608 char buf[8000], moveBuf[20];
17610 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17611 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17612 nrMoves = savedLast[storedGames] - currentMove;
17615 if(!WhiteOnMove(currentMove))
17616 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17617 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17618 for(i=currentMove; i<forwardMostMove; i++) {
17620 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17621 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17622 strcat(buf, moveBuf);
17623 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17624 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17628 for(i=1; i<=nrMoves; i++) { // copy last variation back
17629 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17630 for(j=0; j<MOVE_LEN; j++)
17631 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17632 for(j=0; j<2*MOVE_LEN; j++)
17633 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17634 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17635 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17636 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17637 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17638 commentList[currentMove+i] = commentList[framePtr+i];
17639 commentList[framePtr+i] = NULL;
17641 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17642 framePtr = savedFramePtr[storedGames];
17643 gameInfo.result = savedResult[storedGames];
17644 if(gameInfo.resultDetails != NULL) {
17645 free(gameInfo.resultDetails);
17647 gameInfo.resultDetails = savedDetails[storedGames];
17648 forwardMostMove = currentMove + nrMoves;
17652 PopTail (Boolean annotate)
17654 if(appData.icsActive) return FALSE; // only in local mode
17655 if(!storedGames) return FALSE; // sanity
17656 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17658 PopInner(annotate);
17659 if(currentMove < forwardMostMove) ForwardEvent(); else
17660 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17662 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17668 { // remove all shelved variations
17670 for(i=0; i<storedGames; i++) {
17671 if(savedDetails[i])
17672 free(savedDetails[i]);
17673 savedDetails[i] = NULL;
17675 for(i=framePtr; i<MAX_MOVES; i++) {
17676 if(commentList[i]) free(commentList[i]);
17677 commentList[i] = NULL;
17679 framePtr = MAX_MOVES-1;
17684 LoadVariation (int index, char *text)
17685 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17686 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17687 int level = 0, move;
17689 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17690 // first find outermost bracketing variation
17691 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17692 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17693 if(*p == '{') wait = '}'; else
17694 if(*p == '[') wait = ']'; else
17695 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17696 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17698 if(*p == wait) wait = NULLCHAR; // closing ]} found
17701 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17702 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17703 end[1] = NULLCHAR; // clip off comment beyond variation
17704 ToNrEvent(currentMove-1);
17705 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17706 // kludge: use ParsePV() to append variation to game
17707 move = currentMove;
17708 ParsePV(start, TRUE, TRUE);
17709 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17710 ClearPremoveHighlights();
17712 ToNrEvent(currentMove+1);
17718 char *p, *q, buf[MSG_SIZ];
17719 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17720 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17721 ParseArgsFromString(buf);
17722 ActivateTheme(TRUE); // also redo colors
17726 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17729 q = appData.themeNames;
17730 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17731 if(appData.useBitmaps) {
17732 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17733 appData.liteBackTextureFile, appData.darkBackTextureFile,
17734 appData.liteBackTextureMode,
17735 appData.darkBackTextureMode );
17737 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17738 Col2Text(2), // lightSquareColor
17739 Col2Text(3) ); // darkSquareColor
17741 if(appData.useBorder) {
17742 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17745 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17747 if(appData.useFont) {
17748 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17749 appData.renderPiecesWithFont,
17750 appData.fontToPieceTable,
17751 Col2Text(9), // appData.fontBackColorWhite
17752 Col2Text(10) ); // appData.fontForeColorBlack
17754 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17755 appData.pieceDirectory);
17756 if(!appData.pieceDirectory[0])
17757 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17758 Col2Text(0), // whitePieceColor
17759 Col2Text(1) ); // blackPieceColor
17761 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17762 Col2Text(4), // highlightSquareColor
17763 Col2Text(5) ); // premoveHighlightColor
17764 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17765 if(insert != q) insert[-1] = NULLCHAR;
17766 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17769 ActivateTheme(FALSE);