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 if(sscanf(message+s, "%dx%d+%d", &dummy, &dummy, &dummy) == 3) while(message[s] && message[s++] != ' '); // for compatibility with Alien Edition
8440 ParseFEN(boards[0], &dummy, message+s);
8441 DrawPosition(TRUE, boards[0]);
8442 startedFromSetupPosition = TRUE;
8445 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8446 * want this, I was asked to put it in, and obliged.
8448 if (!strncmp(message, "setboard ", 9)) {
8449 Board initial_position;
8451 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8453 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8454 DisplayError(_("Bad FEN received from engine"), 0);
8458 CopyBoard(boards[0], initial_position);
8459 initialRulePlies = FENrulePlies;
8460 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8461 else gameMode = MachinePlaysBlack;
8462 DrawPosition(FALSE, boards[currentMove]);
8468 * Look for communication commands
8470 if (!strncmp(message, "telluser ", 9)) {
8471 if(message[9] == '\\' && message[10] == '\\')
8472 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8474 DisplayNote(message + 9);
8477 if (!strncmp(message, "tellusererror ", 14)) {
8479 if(message[14] == '\\' && message[15] == '\\')
8480 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8482 DisplayError(message + 14, 0);
8485 if (!strncmp(message, "tellopponent ", 13)) {
8486 if (appData.icsActive) {
8488 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8492 DisplayNote(message + 13);
8496 if (!strncmp(message, "tellothers ", 11)) {
8497 if (appData.icsActive) {
8499 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8502 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8505 if (!strncmp(message, "tellall ", 8)) {
8506 if (appData.icsActive) {
8508 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8512 DisplayNote(message + 8);
8516 if (strncmp(message, "warning", 7) == 0) {
8517 /* Undocumented feature, use tellusererror in new code */
8518 DisplayError(message, 0);
8521 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8522 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8523 strcat(realname, " query");
8524 AskQuestion(realname, buf2, buf1, cps->pr);
8527 /* Commands from the engine directly to ICS. We don't allow these to be
8528 * sent until we are logged on. Crafty kibitzes have been known to
8529 * interfere with the login process.
8532 if (!strncmp(message, "tellics ", 8)) {
8533 SendToICS(message + 8);
8537 if (!strncmp(message, "tellicsnoalias ", 15)) {
8538 SendToICS(ics_prefix);
8539 SendToICS(message + 15);
8543 /* The following are for backward compatibility only */
8544 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8545 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8546 SendToICS(ics_prefix);
8552 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8556 * If the move is illegal, cancel it and redraw the board.
8557 * Also deal with other error cases. Matching is rather loose
8558 * here to accommodate engines written before the spec.
8560 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8561 strncmp(message, "Error", 5) == 0) {
8562 if (StrStr(message, "name") ||
8563 StrStr(message, "rating") || StrStr(message, "?") ||
8564 StrStr(message, "result") || StrStr(message, "board") ||
8565 StrStr(message, "bk") || StrStr(message, "computer") ||
8566 StrStr(message, "variant") || StrStr(message, "hint") ||
8567 StrStr(message, "random") || StrStr(message, "depth") ||
8568 StrStr(message, "accepted")) {
8571 if (StrStr(message, "protover")) {
8572 /* Program is responding to input, so it's apparently done
8573 initializing, and this error message indicates it is
8574 protocol version 1. So we don't need to wait any longer
8575 for it to initialize and send feature commands. */
8576 FeatureDone(cps, 1);
8577 cps->protocolVersion = 1;
8580 cps->maybeThinking = FALSE;
8582 if (StrStr(message, "draw")) {
8583 /* Program doesn't have "draw" command */
8584 cps->sendDrawOffers = 0;
8587 if (cps->sendTime != 1 &&
8588 (StrStr(message, "time") || StrStr(message, "otim"))) {
8589 /* Program apparently doesn't have "time" or "otim" command */
8593 if (StrStr(message, "analyze")) {
8594 cps->analysisSupport = FALSE;
8595 cps->analyzing = FALSE;
8596 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8597 EditGameEvent(); // [HGM] try to preserve loaded game
8598 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8599 DisplayError(buf2, 0);
8602 if (StrStr(message, "(no matching move)st")) {
8603 /* Special kludge for GNU Chess 4 only */
8604 cps->stKludge = TRUE;
8605 SendTimeControl(cps, movesPerSession, timeControl,
8606 timeIncrement, appData.searchDepth,
8610 if (StrStr(message, "(no matching move)sd")) {
8611 /* Special kludge for GNU Chess 4 only */
8612 cps->sdKludge = TRUE;
8613 SendTimeControl(cps, movesPerSession, timeControl,
8614 timeIncrement, appData.searchDepth,
8618 if (!StrStr(message, "llegal")) {
8621 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8622 gameMode == IcsIdle) return;
8623 if (forwardMostMove <= backwardMostMove) return;
8624 if (pausing) PauseEvent();
8625 if(appData.forceIllegal) {
8626 // [HGM] illegal: machine refused move; force position after move into it
8627 SendToProgram("force\n", cps);
8628 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8629 // we have a real problem now, as SendBoard will use the a2a3 kludge
8630 // when black is to move, while there might be nothing on a2 or black
8631 // might already have the move. So send the board as if white has the move.
8632 // But first we must change the stm of the engine, as it refused the last move
8633 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8634 if(WhiteOnMove(forwardMostMove)) {
8635 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8636 SendBoard(cps, forwardMostMove); // kludgeless board
8638 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8639 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8640 SendBoard(cps, forwardMostMove+1); // kludgeless board
8642 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8643 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8644 gameMode == TwoMachinesPlay)
8645 SendToProgram("go\n", cps);
8648 if (gameMode == PlayFromGameFile) {
8649 /* Stop reading this game file */
8650 gameMode = EditGame;
8653 /* [HGM] illegal-move claim should forfeit game when Xboard */
8654 /* only passes fully legal moves */
8655 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8656 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8657 "False illegal-move claim", GE_XBOARD );
8658 return; // do not take back move we tested as valid
8660 currentMove = forwardMostMove-1;
8661 DisplayMove(currentMove-1); /* before DisplayMoveError */
8662 SwitchClocks(forwardMostMove-1); // [HGM] race
8663 DisplayBothClocks();
8664 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8665 parseList[currentMove], _(cps->which));
8666 DisplayMoveError(buf1);
8667 DrawPosition(FALSE, boards[currentMove]);
8669 SetUserThinkingEnables();
8672 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8673 /* Program has a broken "time" command that
8674 outputs a string not ending in newline.
8680 * If chess program startup fails, exit with an error message.
8681 * Attempts to recover here are futile. [HGM] Well, we try anyway
8683 if ((StrStr(message, "unknown host") != NULL)
8684 || (StrStr(message, "No remote directory") != NULL)
8685 || (StrStr(message, "not found") != NULL)
8686 || (StrStr(message, "No such file") != NULL)
8687 || (StrStr(message, "can't alloc") != NULL)
8688 || (StrStr(message, "Permission denied") != NULL)) {
8690 cps->maybeThinking = FALSE;
8691 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8692 _(cps->which), cps->program, cps->host, message);
8693 RemoveInputSource(cps->isr);
8694 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8695 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8696 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8702 * Look for hint output
8704 if (sscanf(message, "Hint: %s", buf1) == 1) {
8705 if (cps == &first && hintRequested) {
8706 hintRequested = FALSE;
8707 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8708 &fromX, &fromY, &toX, &toY, &promoChar)) {
8709 (void) CoordsToAlgebraic(boards[forwardMostMove],
8710 PosFlags(forwardMostMove),
8711 fromY, fromX, toY, toX, promoChar, buf1);
8712 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8713 DisplayInformation(buf2);
8715 /* Hint move could not be parsed!? */
8716 snprintf(buf2, sizeof(buf2),
8717 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8718 buf1, _(cps->which));
8719 DisplayError(buf2, 0);
8722 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8728 * Ignore other messages if game is not in progress
8730 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8731 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8734 * look for win, lose, draw, or draw offer
8736 if (strncmp(message, "1-0", 3) == 0) {
8737 char *p, *q, *r = "";
8738 p = strchr(message, '{');
8746 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8748 } else if (strncmp(message, "0-1", 3) == 0) {
8749 char *p, *q, *r = "";
8750 p = strchr(message, '{');
8758 /* Kludge for Arasan 4.1 bug */
8759 if (strcmp(r, "Black resigns") == 0) {
8760 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8763 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8765 } else if (strncmp(message, "1/2", 3) == 0) {
8766 char *p, *q, *r = "";
8767 p = strchr(message, '{');
8776 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8779 } else if (strncmp(message, "White resign", 12) == 0) {
8780 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8782 } else if (strncmp(message, "Black resign", 12) == 0) {
8783 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8785 } else if (strncmp(message, "White matches", 13) == 0 ||
8786 strncmp(message, "Black matches", 13) == 0 ) {
8787 /* [HGM] ignore GNUShogi noises */
8789 } else if (strncmp(message, "White", 5) == 0 &&
8790 message[5] != '(' &&
8791 StrStr(message, "Black") == NULL) {
8792 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8794 } else if (strncmp(message, "Black", 5) == 0 &&
8795 message[5] != '(') {
8796 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8798 } else if (strcmp(message, "resign") == 0 ||
8799 strcmp(message, "computer resigns") == 0) {
8801 case MachinePlaysBlack:
8802 case IcsPlayingBlack:
8803 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8805 case MachinePlaysWhite:
8806 case IcsPlayingWhite:
8807 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8809 case TwoMachinesPlay:
8810 if (cps->twoMachinesColor[0] == 'w')
8811 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8813 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8820 } else if (strncmp(message, "opponent mates", 14) == 0) {
8822 case MachinePlaysBlack:
8823 case IcsPlayingBlack:
8824 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8826 case MachinePlaysWhite:
8827 case IcsPlayingWhite:
8828 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8830 case TwoMachinesPlay:
8831 if (cps->twoMachinesColor[0] == 'w')
8832 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8834 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8841 } else if (strncmp(message, "computer mates", 14) == 0) {
8843 case MachinePlaysBlack:
8844 case IcsPlayingBlack:
8845 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8847 case MachinePlaysWhite:
8848 case IcsPlayingWhite:
8849 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8851 case TwoMachinesPlay:
8852 if (cps->twoMachinesColor[0] == 'w')
8853 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8855 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8862 } else if (strncmp(message, "checkmate", 9) == 0) {
8863 if (WhiteOnMove(forwardMostMove)) {
8864 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8866 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8869 } else if (strstr(message, "Draw") != NULL ||
8870 strstr(message, "game is a draw") != NULL) {
8871 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8873 } else if (strstr(message, "offer") != NULL &&
8874 strstr(message, "draw") != NULL) {
8876 if (appData.zippyPlay && first.initDone) {
8877 /* Relay offer to ICS */
8878 SendToICS(ics_prefix);
8879 SendToICS("draw\n");
8882 cps->offeredDraw = 2; /* valid until this engine moves twice */
8883 if (gameMode == TwoMachinesPlay) {
8884 if (cps->other->offeredDraw) {
8885 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8886 /* [HGM] in two-machine mode we delay relaying draw offer */
8887 /* until after we also have move, to see if it is really claim */
8889 } else if (gameMode == MachinePlaysWhite ||
8890 gameMode == MachinePlaysBlack) {
8891 if (userOfferedDraw) {
8892 DisplayInformation(_("Machine accepts your draw offer"));
8893 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8895 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8902 * Look for thinking output
8904 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8905 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8907 int plylev, mvleft, mvtot, curscore, time;
8908 char mvname[MOVE_LEN];
8912 int prefixHint = FALSE;
8913 mvname[0] = NULLCHAR;
8916 case MachinePlaysBlack:
8917 case IcsPlayingBlack:
8918 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8920 case MachinePlaysWhite:
8921 case IcsPlayingWhite:
8922 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8927 case IcsObserving: /* [DM] icsEngineAnalyze */
8928 if (!appData.icsEngineAnalyze) ignore = TRUE;
8930 case TwoMachinesPlay:
8931 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8941 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8943 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8944 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8946 if (plyext != ' ' && plyext != '\t') {
8950 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8951 if( cps->scoreIsAbsolute &&
8952 ( gameMode == MachinePlaysBlack ||
8953 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8954 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8955 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8956 !WhiteOnMove(currentMove)
8959 curscore = -curscore;
8962 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8964 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8967 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8968 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8969 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8970 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8971 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8972 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8974 } else DisplayError(_("failed writing PV"), 0);
8977 tempStats.depth = plylev;
8978 tempStats.nodes = nodes;
8979 tempStats.time = time;
8980 tempStats.score = curscore;
8981 tempStats.got_only_move = 0;
8983 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8986 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8987 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8988 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8989 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8990 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8991 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8992 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8993 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8996 /* Buffer overflow protection */
8997 if (pv[0] != NULLCHAR) {
8998 if (strlen(pv) >= sizeof(tempStats.movelist)
8999 && appData.debugMode) {
9001 "PV is too long; using the first %u bytes.\n",
9002 (unsigned) sizeof(tempStats.movelist) - 1);
9005 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9007 sprintf(tempStats.movelist, " no PV\n");
9010 if (tempStats.seen_stat) {
9011 tempStats.ok_to_send = 1;
9014 if (strchr(tempStats.movelist, '(') != NULL) {
9015 tempStats.line_is_book = 1;
9016 tempStats.nr_moves = 0;
9017 tempStats.moves_left = 0;
9019 tempStats.line_is_book = 0;
9022 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9023 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9025 SendProgramStatsToFrontend( cps, &tempStats );
9028 [AS] Protect the thinkOutput buffer from overflow... this
9029 is only useful if buf1 hasn't overflowed first!
9031 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9033 (gameMode == TwoMachinesPlay ?
9034 ToUpper(cps->twoMachinesColor[0]) : ' '),
9035 ((double) curscore) / 100.0,
9036 prefixHint ? lastHint : "",
9037 prefixHint ? " " : "" );
9039 if( buf1[0] != NULLCHAR ) {
9040 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9042 if( strlen(pv) > max_len ) {
9043 if( appData.debugMode) {
9044 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9046 pv[max_len+1] = '\0';
9049 strcat( thinkOutput, pv);
9052 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9053 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9054 DisplayMove(currentMove - 1);
9058 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9059 /* crafty (9.25+) says "(only move) <move>"
9060 * if there is only 1 legal move
9062 sscanf(p, "(only move) %s", buf1);
9063 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9064 sprintf(programStats.movelist, "%s (only move)", buf1);
9065 programStats.depth = 1;
9066 programStats.nr_moves = 1;
9067 programStats.moves_left = 1;
9068 programStats.nodes = 1;
9069 programStats.time = 1;
9070 programStats.got_only_move = 1;
9072 /* Not really, but we also use this member to
9073 mean "line isn't going to change" (Crafty
9074 isn't searching, so stats won't change) */
9075 programStats.line_is_book = 1;
9077 SendProgramStatsToFrontend( cps, &programStats );
9079 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9080 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9081 DisplayMove(currentMove - 1);
9084 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9085 &time, &nodes, &plylev, &mvleft,
9086 &mvtot, mvname) >= 5) {
9087 /* The stat01: line is from Crafty (9.29+) in response
9088 to the "." command */
9089 programStats.seen_stat = 1;
9090 cps->maybeThinking = TRUE;
9092 if (programStats.got_only_move || !appData.periodicUpdates)
9095 programStats.depth = plylev;
9096 programStats.time = time;
9097 programStats.nodes = nodes;
9098 programStats.moves_left = mvleft;
9099 programStats.nr_moves = mvtot;
9100 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9101 programStats.ok_to_send = 1;
9102 programStats.movelist[0] = '\0';
9104 SendProgramStatsToFrontend( cps, &programStats );
9108 } else if (strncmp(message,"++",2) == 0) {
9109 /* Crafty 9.29+ outputs this */
9110 programStats.got_fail = 2;
9113 } else if (strncmp(message,"--",2) == 0) {
9114 /* Crafty 9.29+ outputs this */
9115 programStats.got_fail = 1;
9118 } else if (thinkOutput[0] != NULLCHAR &&
9119 strncmp(message, " ", 4) == 0) {
9120 unsigned message_len;
9123 while (*p && *p == ' ') p++;
9125 message_len = strlen( p );
9127 /* [AS] Avoid buffer overflow */
9128 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9129 strcat(thinkOutput, " ");
9130 strcat(thinkOutput, p);
9133 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9134 strcat(programStats.movelist, " ");
9135 strcat(programStats.movelist, p);
9138 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9139 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9140 DisplayMove(currentMove - 1);
9148 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9149 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9151 ChessProgramStats cpstats;
9153 if (plyext != ' ' && plyext != '\t') {
9157 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9158 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9159 curscore = -curscore;
9162 cpstats.depth = plylev;
9163 cpstats.nodes = nodes;
9164 cpstats.time = time;
9165 cpstats.score = curscore;
9166 cpstats.got_only_move = 0;
9167 cpstats.movelist[0] = '\0';
9169 if (buf1[0] != NULLCHAR) {
9170 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9173 cpstats.ok_to_send = 0;
9174 cpstats.line_is_book = 0;
9175 cpstats.nr_moves = 0;
9176 cpstats.moves_left = 0;
9178 SendProgramStatsToFrontend( cps, &cpstats );
9185 /* Parse a game score from the character string "game", and
9186 record it as the history of the current game. The game
9187 score is NOT assumed to start from the standard position.
9188 The display is not updated in any way.
9191 ParseGameHistory (char *game)
9194 int fromX, fromY, toX, toY, boardIndex;
9199 if (appData.debugMode)
9200 fprintf(debugFP, "Parsing game history: %s\n", game);
9202 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9203 gameInfo.site = StrSave(appData.icsHost);
9204 gameInfo.date = PGNDate();
9205 gameInfo.round = StrSave("-");
9207 /* Parse out names of players */
9208 while (*game == ' ') game++;
9210 while (*game != ' ') *p++ = *game++;
9212 gameInfo.white = StrSave(buf);
9213 while (*game == ' ') game++;
9215 while (*game != ' ' && *game != '\n') *p++ = *game++;
9217 gameInfo.black = StrSave(buf);
9220 boardIndex = blackPlaysFirst ? 1 : 0;
9223 yyboardindex = boardIndex;
9224 moveType = (ChessMove) Myylex();
9226 case IllegalMove: /* maybe suicide chess, etc. */
9227 if (appData.debugMode) {
9228 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9229 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9230 setbuf(debugFP, NULL);
9232 case WhitePromotion:
9233 case BlackPromotion:
9234 case WhiteNonPromotion:
9235 case BlackNonPromotion:
9237 case WhiteCapturesEnPassant:
9238 case BlackCapturesEnPassant:
9239 case WhiteKingSideCastle:
9240 case WhiteQueenSideCastle:
9241 case BlackKingSideCastle:
9242 case BlackQueenSideCastle:
9243 case WhiteKingSideCastleWild:
9244 case WhiteQueenSideCastleWild:
9245 case BlackKingSideCastleWild:
9246 case BlackQueenSideCastleWild:
9248 case WhiteHSideCastleFR:
9249 case WhiteASideCastleFR:
9250 case BlackHSideCastleFR:
9251 case BlackASideCastleFR:
9253 fromX = currentMoveString[0] - AAA;
9254 fromY = currentMoveString[1] - ONE;
9255 toX = currentMoveString[2] - AAA;
9256 toY = currentMoveString[3] - ONE;
9257 promoChar = currentMoveString[4];
9261 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9262 fromX = moveType == WhiteDrop ?
9263 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9264 (int) CharToPiece(ToLower(currentMoveString[0]));
9266 toX = currentMoveString[2] - AAA;
9267 toY = currentMoveString[3] - ONE;
9268 promoChar = NULLCHAR;
9272 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9273 if (appData.debugMode) {
9274 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9275 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9276 setbuf(debugFP, NULL);
9278 DisplayError(buf, 0);
9280 case ImpossibleMove:
9282 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9283 if (appData.debugMode) {
9284 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9285 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9286 setbuf(debugFP, NULL);
9288 DisplayError(buf, 0);
9291 if (boardIndex < backwardMostMove) {
9292 /* Oops, gap. How did that happen? */
9293 DisplayError(_("Gap in move list"), 0);
9296 backwardMostMove = blackPlaysFirst ? 1 : 0;
9297 if (boardIndex > forwardMostMove) {
9298 forwardMostMove = boardIndex;
9302 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9303 strcat(parseList[boardIndex-1], " ");
9304 strcat(parseList[boardIndex-1], yy_text);
9316 case GameUnfinished:
9317 if (gameMode == IcsExamining) {
9318 if (boardIndex < backwardMostMove) {
9319 /* Oops, gap. How did that happen? */
9322 backwardMostMove = blackPlaysFirst ? 1 : 0;
9325 gameInfo.result = moveType;
9326 p = strchr(yy_text, '{');
9327 if (p == NULL) p = strchr(yy_text, '(');
9330 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9332 q = strchr(p, *p == '{' ? '}' : ')');
9333 if (q != NULL) *q = NULLCHAR;
9336 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9337 gameInfo.resultDetails = StrSave(p);
9340 if (boardIndex >= forwardMostMove &&
9341 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9342 backwardMostMove = blackPlaysFirst ? 1 : 0;
9345 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9346 fromY, fromX, toY, toX, promoChar,
9347 parseList[boardIndex]);
9348 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9349 /* currentMoveString is set as a side-effect of yylex */
9350 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9351 strcat(moveList[boardIndex], "\n");
9353 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9354 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9360 if(gameInfo.variant != VariantShogi)
9361 strcat(parseList[boardIndex - 1], "+");
9365 strcat(parseList[boardIndex - 1], "#");
9372 /* Apply a move to the given board */
9374 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9376 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9377 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9379 /* [HGM] compute & store e.p. status and castling rights for new position */
9380 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9382 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9383 oldEP = (signed char)board[EP_STATUS];
9384 board[EP_STATUS] = EP_NONE;
9386 if (fromY == DROP_RANK) {
9388 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9389 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9392 piece = board[toY][toX] = (ChessSquare) fromX;
9396 if( board[toY][toX] != EmptySquare )
9397 board[EP_STATUS] = EP_CAPTURE;
9399 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9400 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9401 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9403 if( board[fromY][fromX] == WhitePawn ) {
9404 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9405 board[EP_STATUS] = EP_PAWN_MOVE;
9407 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9408 gameInfo.variant != VariantBerolina || toX < fromX)
9409 board[EP_STATUS] = toX | berolina;
9410 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9411 gameInfo.variant != VariantBerolina || toX > fromX)
9412 board[EP_STATUS] = toX;
9415 if( board[fromY][fromX] == BlackPawn ) {
9416 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9417 board[EP_STATUS] = EP_PAWN_MOVE;
9418 if( toY-fromY== -2) {
9419 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9420 gameInfo.variant != VariantBerolina || toX < fromX)
9421 board[EP_STATUS] = toX | berolina;
9422 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9423 gameInfo.variant != VariantBerolina || toX > fromX)
9424 board[EP_STATUS] = toX;
9428 for(i=0; i<nrCastlingRights; i++) {
9429 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9430 board[CASTLING][i] == toX && castlingRank[i] == toY
9431 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9434 if(gameInfo.variant == VariantSChess) { // update virginity
9435 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9436 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9437 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9438 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9441 if (fromX == toX && fromY == toY) return;
9443 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9444 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9445 if(gameInfo.variant == VariantKnightmate)
9446 king += (int) WhiteUnicorn - (int) WhiteKing;
9448 /* Code added by Tord: */
9449 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9450 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9451 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9452 board[fromY][fromX] = EmptySquare;
9453 board[toY][toX] = EmptySquare;
9454 if((toX > fromX) != (piece == WhiteRook)) {
9455 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9457 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9459 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9460 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9461 board[fromY][fromX] = EmptySquare;
9462 board[toY][toX] = EmptySquare;
9463 if((toX > fromX) != (piece == BlackRook)) {
9464 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9466 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9468 /* End of code added by Tord */
9470 } else if (board[fromY][fromX] == king
9471 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9472 && toY == fromY && toX > fromX+1) {
9473 board[fromY][fromX] = EmptySquare;
9474 board[toY][toX] = king;
9475 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9476 board[fromY][BOARD_RGHT-1] = EmptySquare;
9477 } else if (board[fromY][fromX] == king
9478 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9479 && toY == fromY && toX < fromX-1) {
9480 board[fromY][fromX] = EmptySquare;
9481 board[toY][toX] = king;
9482 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9483 board[fromY][BOARD_LEFT] = EmptySquare;
9484 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9485 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9486 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9488 /* white pawn promotion */
9489 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9490 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9491 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9492 board[fromY][fromX] = EmptySquare;
9493 } else if ((fromY >= BOARD_HEIGHT>>1)
9494 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9496 && gameInfo.variant != VariantXiangqi
9497 && gameInfo.variant != VariantBerolina
9498 && (board[fromY][fromX] == WhitePawn)
9499 && (board[toY][toX] == EmptySquare)) {
9500 board[fromY][fromX] = EmptySquare;
9501 board[toY][toX] = WhitePawn;
9502 captured = board[toY - 1][toX];
9503 board[toY - 1][toX] = EmptySquare;
9504 } else if ((fromY == BOARD_HEIGHT-4)
9506 && gameInfo.variant == VariantBerolina
9507 && (board[fromY][fromX] == WhitePawn)
9508 && (board[toY][toX] == EmptySquare)) {
9509 board[fromY][fromX] = EmptySquare;
9510 board[toY][toX] = WhitePawn;
9511 if(oldEP & EP_BEROLIN_A) {
9512 captured = board[fromY][fromX-1];
9513 board[fromY][fromX-1] = EmptySquare;
9514 }else{ captured = board[fromY][fromX+1];
9515 board[fromY][fromX+1] = EmptySquare;
9517 } else if (board[fromY][fromX] == king
9518 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9519 && toY == fromY && toX > fromX+1) {
9520 board[fromY][fromX] = EmptySquare;
9521 board[toY][toX] = king;
9522 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9523 board[fromY][BOARD_RGHT-1] = EmptySquare;
9524 } else if (board[fromY][fromX] == king
9525 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9526 && toY == fromY && toX < fromX-1) {
9527 board[fromY][fromX] = EmptySquare;
9528 board[toY][toX] = king;
9529 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9530 board[fromY][BOARD_LEFT] = EmptySquare;
9531 } else if (fromY == 7 && fromX == 3
9532 && board[fromY][fromX] == BlackKing
9533 && toY == 7 && toX == 5) {
9534 board[fromY][fromX] = EmptySquare;
9535 board[toY][toX] = BlackKing;
9536 board[fromY][7] = EmptySquare;
9537 board[toY][4] = BlackRook;
9538 } else if (fromY == 7 && fromX == 3
9539 && board[fromY][fromX] == BlackKing
9540 && toY == 7 && toX == 1) {
9541 board[fromY][fromX] = EmptySquare;
9542 board[toY][toX] = BlackKing;
9543 board[fromY][0] = EmptySquare;
9544 board[toY][2] = BlackRook;
9545 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9546 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9547 && toY < promoRank && promoChar
9549 /* black pawn promotion */
9550 board[toY][toX] = CharToPiece(ToLower(promoChar));
9551 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9552 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9553 board[fromY][fromX] = EmptySquare;
9554 } else if ((fromY < BOARD_HEIGHT>>1)
9555 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9557 && gameInfo.variant != VariantXiangqi
9558 && gameInfo.variant != VariantBerolina
9559 && (board[fromY][fromX] == BlackPawn)
9560 && (board[toY][toX] == EmptySquare)) {
9561 board[fromY][fromX] = EmptySquare;
9562 board[toY][toX] = BlackPawn;
9563 captured = board[toY + 1][toX];
9564 board[toY + 1][toX] = EmptySquare;
9565 } else if ((fromY == 3)
9567 && gameInfo.variant == VariantBerolina
9568 && (board[fromY][fromX] == BlackPawn)
9569 && (board[toY][toX] == EmptySquare)) {
9570 board[fromY][fromX] = EmptySquare;
9571 board[toY][toX] = BlackPawn;
9572 if(oldEP & EP_BEROLIN_A) {
9573 captured = board[fromY][fromX-1];
9574 board[fromY][fromX-1] = EmptySquare;
9575 }else{ captured = board[fromY][fromX+1];
9576 board[fromY][fromX+1] = EmptySquare;
9579 board[toY][toX] = board[fromY][fromX];
9580 board[fromY][fromX] = EmptySquare;
9584 if (gameInfo.holdingsWidth != 0) {
9586 /* !!A lot more code needs to be written to support holdings */
9587 /* [HGM] OK, so I have written it. Holdings are stored in the */
9588 /* penultimate board files, so they are automaticlly stored */
9589 /* in the game history. */
9590 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9591 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9592 /* Delete from holdings, by decreasing count */
9593 /* and erasing image if necessary */
9594 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9595 if(p < (int) BlackPawn) { /* white drop */
9596 p -= (int)WhitePawn;
9597 p = PieceToNumber((ChessSquare)p);
9598 if(p >= gameInfo.holdingsSize) p = 0;
9599 if(--board[p][BOARD_WIDTH-2] <= 0)
9600 board[p][BOARD_WIDTH-1] = EmptySquare;
9601 if((int)board[p][BOARD_WIDTH-2] < 0)
9602 board[p][BOARD_WIDTH-2] = 0;
9603 } else { /* black drop */
9604 p -= (int)BlackPawn;
9605 p = PieceToNumber((ChessSquare)p);
9606 if(p >= gameInfo.holdingsSize) p = 0;
9607 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9608 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9609 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9610 board[BOARD_HEIGHT-1-p][1] = 0;
9613 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9614 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9615 /* [HGM] holdings: Add to holdings, if holdings exist */
9616 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9617 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9618 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9621 if (p >= (int) BlackPawn) {
9622 p -= (int)BlackPawn;
9623 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9624 /* in Shogi restore piece to its original first */
9625 captured = (ChessSquare) (DEMOTED captured);
9628 p = PieceToNumber((ChessSquare)p);
9629 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9630 board[p][BOARD_WIDTH-2]++;
9631 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9633 p -= (int)WhitePawn;
9634 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9635 captured = (ChessSquare) (DEMOTED captured);
9638 p = PieceToNumber((ChessSquare)p);
9639 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9640 board[BOARD_HEIGHT-1-p][1]++;
9641 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9644 } else if (gameInfo.variant == VariantAtomic) {
9645 if (captured != EmptySquare) {
9647 for (y = toY-1; y <= toY+1; y++) {
9648 for (x = toX-1; x <= toX+1; x++) {
9649 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9650 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9651 board[y][x] = EmptySquare;
9655 board[toY][toX] = EmptySquare;
9658 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9659 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9661 if(promoChar == '+') {
9662 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9663 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9664 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9665 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9666 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9667 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9668 board[toY][toX] = newPiece;
9670 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9671 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9672 // [HGM] superchess: take promotion piece out of holdings
9673 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9674 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9675 if(!--board[k][BOARD_WIDTH-2])
9676 board[k][BOARD_WIDTH-1] = EmptySquare;
9678 if(!--board[BOARD_HEIGHT-1-k][1])
9679 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9685 /* Updates forwardMostMove */
9687 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9689 // forwardMostMove++; // [HGM] bare: moved downstream
9691 (void) CoordsToAlgebraic(boards[forwardMostMove],
9692 PosFlags(forwardMostMove),
9693 fromY, fromX, toY, toX, promoChar,
9694 parseList[forwardMostMove]);
9696 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9697 int timeLeft; static int lastLoadFlag=0; int king, piece;
9698 piece = boards[forwardMostMove][fromY][fromX];
9699 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9700 if(gameInfo.variant == VariantKnightmate)
9701 king += (int) WhiteUnicorn - (int) WhiteKing;
9702 if(forwardMostMove == 0) {
9703 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9704 fprintf(serverMoves, "%s;", UserName());
9705 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9706 fprintf(serverMoves, "%s;", second.tidy);
9707 fprintf(serverMoves, "%s;", first.tidy);
9708 if(gameMode == MachinePlaysWhite)
9709 fprintf(serverMoves, "%s;", UserName());
9710 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9711 fprintf(serverMoves, "%s;", second.tidy);
9712 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9713 lastLoadFlag = loadFlag;
9715 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9716 // print castling suffix
9717 if( toY == fromY && piece == king ) {
9719 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9721 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9724 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9725 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9726 boards[forwardMostMove][toY][toX] == EmptySquare
9727 && fromX != toX && fromY != toY)
9728 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9730 if(promoChar != NULLCHAR) {
9731 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9732 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9733 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9734 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9737 char buf[MOVE_LEN*2], *p; int len;
9738 fprintf(serverMoves, "/%d/%d",
9739 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9740 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9741 else timeLeft = blackTimeRemaining/1000;
9742 fprintf(serverMoves, "/%d", timeLeft);
9743 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9744 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9745 if(p = strchr(buf, '=')) *p = NULLCHAR;
9746 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9747 fprintf(serverMoves, "/%s", buf);
9749 fflush(serverMoves);
9752 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9753 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9756 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9757 if (commentList[forwardMostMove+1] != NULL) {
9758 free(commentList[forwardMostMove+1]);
9759 commentList[forwardMostMove+1] = NULL;
9761 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9762 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9763 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9764 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9765 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9766 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9767 adjustedClock = FALSE;
9768 gameInfo.result = GameUnfinished;
9769 if (gameInfo.resultDetails != NULL) {
9770 free(gameInfo.resultDetails);
9771 gameInfo.resultDetails = NULL;
9773 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9774 moveList[forwardMostMove - 1]);
9775 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9781 if(gameInfo.variant != VariantShogi)
9782 strcat(parseList[forwardMostMove - 1], "+");
9786 strcat(parseList[forwardMostMove - 1], "#");
9792 /* Updates currentMove if not pausing */
9794 ShowMove (int fromX, int fromY, int toX, int toY)
9796 int instant = (gameMode == PlayFromGameFile) ?
9797 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9798 if(appData.noGUI) return;
9799 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9801 if (forwardMostMove == currentMove + 1) {
9802 AnimateMove(boards[forwardMostMove - 1],
9803 fromX, fromY, toX, toY);
9806 currentMove = forwardMostMove;
9809 if (instant) return;
9811 DisplayMove(currentMove - 1);
9812 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9813 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9814 SetHighlights(fromX, fromY, toX, toY);
9817 DrawPosition(FALSE, boards[currentMove]);
9818 DisplayBothClocks();
9819 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9823 SendEgtPath (ChessProgramState *cps)
9824 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9825 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9827 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9830 char c, *q = name+1, *r, *s;
9832 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9833 while(*p && *p != ',') *q++ = *p++;
9835 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9836 strcmp(name, ",nalimov:") == 0 ) {
9837 // take nalimov path from the menu-changeable option first, if it is defined
9838 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9839 SendToProgram(buf,cps); // send egtbpath command for nalimov
9841 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9842 (s = StrStr(appData.egtFormats, name)) != NULL) {
9843 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9844 s = r = StrStr(s, ":") + 1; // beginning of path info
9845 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9846 c = *r; *r = 0; // temporarily null-terminate path info
9847 *--q = 0; // strip of trailig ':' from name
9848 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9850 SendToProgram(buf,cps); // send egtbpath command for this format
9852 if(*p == ',') p++; // read away comma to position for next format name
9857 NonStandardBoardSize ()
9859 /* [HGM] Awkward testing. Should really be a table */
9860 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9861 if( gameInfo.variant == VariantXiangqi )
9862 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9863 if( gameInfo.variant == VariantShogi )
9864 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9865 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9866 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9867 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9868 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9869 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9870 if( gameInfo.variant == VariantCourier )
9871 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9872 if( gameInfo.variant == VariantSuper )
9873 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9874 if( gameInfo.variant == VariantGreat )
9875 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9876 if( gameInfo.variant == VariantSChess )
9877 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9878 if( gameInfo.variant == VariantGrand )
9879 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9884 InitChessProgram (ChessProgramState *cps, int setup)
9885 /* setup needed to setup FRC opening position */
9887 char buf[MSG_SIZ], b[MSG_SIZ];
9888 if (appData.noChessProgram) return;
9889 hintRequested = FALSE;
9890 bookRequested = FALSE;
9892 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9893 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9894 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9895 if(cps->memSize) { /* [HGM] memory */
9896 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9897 SendToProgram(buf, cps);
9899 SendEgtPath(cps); /* [HGM] EGT */
9900 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9901 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9902 SendToProgram(buf, cps);
9905 SendToProgram(cps->initString, cps);
9906 if (gameInfo.variant != VariantNormal &&
9907 gameInfo.variant != VariantLoadable
9908 /* [HGM] also send variant if board size non-standard */
9909 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9911 char *v = VariantName(gameInfo.variant);
9912 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9913 /* [HGM] in protocol 1 we have to assume all variants valid */
9914 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9915 DisplayFatalError(buf, 0, 1);
9919 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
9920 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9921 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9922 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9923 if(StrStr(cps->variants, b) == NULL) {
9924 // specific sized variant not known, check if general sizing allowed
9925 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9926 if(StrStr(cps->variants, "boardsize") == NULL) {
9927 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9928 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9929 DisplayFatalError(buf, 0, 1);
9932 /* [HGM] here we really should compare with the maximum supported board size */
9935 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9936 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9937 SendToProgram(buf, cps);
9939 currentlyInitializedVariant = gameInfo.variant;
9941 /* [HGM] send opening position in FRC to first engine */
9943 SendToProgram("force\n", cps);
9945 /* engine is now in force mode! Set flag to wake it up after first move. */
9946 setboardSpoiledMachineBlack = 1;
9950 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9951 SendToProgram(buf, cps);
9953 cps->maybeThinking = FALSE;
9954 cps->offeredDraw = 0;
9955 if (!appData.icsActive) {
9956 SendTimeControl(cps, movesPerSession, timeControl,
9957 timeIncrement, appData.searchDepth,
9960 if (appData.showThinking
9961 // [HGM] thinking: four options require thinking output to be sent
9962 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9964 SendToProgram("post\n", cps);
9966 SendToProgram("hard\n", cps);
9967 if (!appData.ponderNextMove) {
9968 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9969 it without being sure what state we are in first. "hard"
9970 is not a toggle, so that one is OK.
9972 SendToProgram("easy\n", cps);
9975 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9976 SendToProgram(buf, cps);
9978 cps->initDone = TRUE;
9979 ClearEngineOutputPane(cps == &second);
9984 ResendOptions (ChessProgramState *cps)
9985 { // send the stored value of the options
9988 Option *opt = cps->option;
9989 for(i=0; i<cps->nrOptions; i++, opt++) {
9994 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
9997 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10000 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10006 SendToProgram(buf, cps);
10011 StartChessProgram (ChessProgramState *cps)
10016 if (appData.noChessProgram) return;
10017 cps->initDone = FALSE;
10019 if (strcmp(cps->host, "localhost") == 0) {
10020 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10021 } else if (*appData.remoteShell == NULLCHAR) {
10022 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10024 if (*appData.remoteUser == NULLCHAR) {
10025 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10028 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10029 cps->host, appData.remoteUser, cps->program);
10031 err = StartChildProcess(buf, "", &cps->pr);
10035 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10036 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10037 if(cps != &first) return;
10038 appData.noChessProgram = TRUE;
10041 // DisplayFatalError(buf, err, 1);
10042 // cps->pr = NoProc;
10043 // cps->isr = NULL;
10047 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10048 if (cps->protocolVersion > 1) {
10049 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10050 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10051 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10052 cps->comboCnt = 0; // and values of combo boxes
10054 SendToProgram(buf, cps);
10055 if(cps->reload) ResendOptions(cps);
10057 SendToProgram("xboard\n", cps);
10062 TwoMachinesEventIfReady P((void))
10064 static int curMess = 0;
10065 if (first.lastPing != first.lastPong) {
10066 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10067 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10070 if (second.lastPing != second.lastPong) {
10071 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10072 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10075 DisplayMessage("", ""); curMess = 0;
10076 TwoMachinesEvent();
10080 MakeName (char *template)
10084 static char buf[MSG_SIZ];
10088 clock = time((time_t *)NULL);
10089 tm = localtime(&clock);
10091 while(*p++ = *template++) if(p[-1] == '%') {
10092 switch(*template++) {
10093 case 0: *p = 0; return buf;
10094 case 'Y': i = tm->tm_year+1900; break;
10095 case 'y': i = tm->tm_year-100; break;
10096 case 'M': i = tm->tm_mon+1; break;
10097 case 'd': i = tm->tm_mday; break;
10098 case 'h': i = tm->tm_hour; break;
10099 case 'm': i = tm->tm_min; break;
10100 case 's': i = tm->tm_sec; break;
10103 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10109 CountPlayers (char *p)
10112 while(p = strchr(p, '\n')) p++, n++; // count participants
10117 WriteTourneyFile (char *results, FILE *f)
10118 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10119 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10120 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10121 // create a file with tournament description
10122 fprintf(f, "-participants {%s}\n", appData.participants);
10123 fprintf(f, "-seedBase %d\n", appData.seedBase);
10124 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10125 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10126 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10127 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10128 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10129 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10130 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10131 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10132 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10133 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10134 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10135 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10136 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10137 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10138 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10139 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10140 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10141 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10142 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10143 fprintf(f, "-smpCores %d\n", appData.smpCores);
10145 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10147 fprintf(f, "-mps %d\n", appData.movesPerSession);
10148 fprintf(f, "-tc %s\n", appData.timeControl);
10149 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10151 fprintf(f, "-results \"%s\"\n", results);
10156 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10159 Substitute (char *participants, int expunge)
10161 int i, changed, changes=0, nPlayers=0;
10162 char *p, *q, *r, buf[MSG_SIZ];
10163 if(participants == NULL) return;
10164 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10165 r = p = participants; q = appData.participants;
10166 while(*p && *p == *q) {
10167 if(*p == '\n') r = p+1, nPlayers++;
10170 if(*p) { // difference
10171 while(*p && *p++ != '\n');
10172 while(*q && *q++ != '\n');
10173 changed = nPlayers;
10174 changes = 1 + (strcmp(p, q) != 0);
10176 if(changes == 1) { // a single engine mnemonic was changed
10177 q = r; while(*q) nPlayers += (*q++ == '\n');
10178 p = buf; while(*r && (*p = *r++) != '\n') p++;
10180 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10181 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10182 if(mnemonic[i]) { // The substitute is valid
10184 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10185 flock(fileno(f), LOCK_EX);
10186 ParseArgsFromFile(f);
10187 fseek(f, 0, SEEK_SET);
10188 FREE(appData.participants); appData.participants = participants;
10189 if(expunge) { // erase results of replaced engine
10190 int len = strlen(appData.results), w, b, dummy;
10191 for(i=0; i<len; i++) {
10192 Pairing(i, nPlayers, &w, &b, &dummy);
10193 if((w == changed || b == changed) && appData.results[i] == '*') {
10194 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10199 for(i=0; i<len; i++) {
10200 Pairing(i, nPlayers, &w, &b, &dummy);
10201 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10204 WriteTourneyFile(appData.results, f);
10205 fclose(f); // release lock
10208 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10210 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10211 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10212 free(participants);
10217 CheckPlayers (char *participants)
10220 char buf[MSG_SIZ], *p;
10221 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10222 while(p = strchr(participants, '\n')) {
10224 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10226 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10228 DisplayError(buf, 0);
10232 participants = p + 1;
10238 CreateTourney (char *name)
10241 if(matchMode && strcmp(name, appData.tourneyFile)) {
10242 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10244 if(name[0] == NULLCHAR) {
10245 if(appData.participants[0])
10246 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10249 f = fopen(name, "r");
10250 if(f) { // file exists
10251 ASSIGN(appData.tourneyFile, name);
10252 ParseArgsFromFile(f); // parse it
10254 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10255 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10256 DisplayError(_("Not enough participants"), 0);
10259 if(CheckPlayers(appData.participants)) return 0;
10260 ASSIGN(appData.tourneyFile, name);
10261 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10262 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10265 appData.noChessProgram = FALSE;
10266 appData.clockMode = TRUE;
10272 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10274 char buf[MSG_SIZ], *p, *q;
10275 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10276 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10277 skip = !all && group[0]; // if group requested, we start in skip mode
10278 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10279 p = names; q = buf; header = 0;
10280 while(*p && *p != '\n') *q++ = *p++;
10282 if(*p == '\n') p++;
10283 if(buf[0] == '#') {
10284 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10285 depth++; // we must be entering a new group
10286 if(all) continue; // suppress printing group headers when complete list requested
10288 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10290 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10291 if(engineList[i]) free(engineList[i]);
10292 engineList[i] = strdup(buf);
10293 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10294 if(engineMnemonic[i]) free(engineMnemonic[i]);
10295 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10297 sscanf(q + 8, "%s", buf + strlen(buf));
10300 engineMnemonic[i] = strdup(buf);
10303 engineList[i] = engineMnemonic[i] = NULL;
10307 // following implemented as macro to avoid type limitations
10308 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10311 SwapEngines (int n)
10312 { // swap settings for first engine and other engine (so far only some selected options)
10317 SWAP(chessProgram, p)
10319 SWAP(hasOwnBookUCI, h)
10320 SWAP(protocolVersion, h)
10322 SWAP(scoreIsAbsolute, h)
10327 SWAP(engOptions, p)
10328 SWAP(engInitString, p)
10329 SWAP(computerString, p)
10331 SWAP(fenOverride, p)
10333 SWAP(accumulateTC, h)
10338 GetEngineLine (char *s, int n)
10342 extern char *icsNames;
10343 if(!s || !*s) return 0;
10344 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10345 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10346 if(!mnemonic[i]) return 0;
10347 if(n == 11) return 1; // just testing if there was a match
10348 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10349 if(n == 1) SwapEngines(n);
10350 ParseArgsFromString(buf);
10351 if(n == 1) SwapEngines(n);
10352 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10353 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10354 ParseArgsFromString(buf);
10360 SetPlayer (int player, char *p)
10361 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10363 char buf[MSG_SIZ], *engineName;
10364 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10365 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10366 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10368 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10369 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10370 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10371 ParseArgsFromString(buf);
10372 } else { // no engine with this nickname is installed!
10373 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10374 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10375 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10377 DisplayError(buf, 0);
10384 char *recentEngines;
10387 RecentEngineEvent (int nr)
10390 // SwapEngines(1); // bump first to second
10391 // ReplaceEngine(&second, 1); // and load it there
10392 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10393 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10394 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10395 ReplaceEngine(&first, 0);
10396 FloatToFront(&appData.recentEngineList, command[n]);
10401 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10402 { // determine players from game number
10403 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10405 if(appData.tourneyType == 0) {
10406 roundsPerCycle = (nPlayers - 1) | 1;
10407 pairingsPerRound = nPlayers / 2;
10408 } else if(appData.tourneyType > 0) {
10409 roundsPerCycle = nPlayers - appData.tourneyType;
10410 pairingsPerRound = appData.tourneyType;
10412 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10413 gamesPerCycle = gamesPerRound * roundsPerCycle;
10414 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10415 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10416 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10417 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10418 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10419 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10421 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10422 if(appData.roundSync) *syncInterval = gamesPerRound;
10424 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10426 if(appData.tourneyType == 0) {
10427 if(curPairing == (nPlayers-1)/2 ) {
10428 *whitePlayer = curRound;
10429 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10431 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10432 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10433 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10434 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10436 } else if(appData.tourneyType > 1) {
10437 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10438 *whitePlayer = curRound + appData.tourneyType;
10439 } else if(appData.tourneyType > 0) {
10440 *whitePlayer = curPairing;
10441 *blackPlayer = curRound + appData.tourneyType;
10444 // take care of white/black alternation per round.
10445 // For cycles and games this is already taken care of by default, derived from matchGame!
10446 return curRound & 1;
10450 NextTourneyGame (int nr, int *swapColors)
10451 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10453 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10455 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10456 tf = fopen(appData.tourneyFile, "r");
10457 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10458 ParseArgsFromFile(tf); fclose(tf);
10459 InitTimeControls(); // TC might be altered from tourney file
10461 nPlayers = CountPlayers(appData.participants); // count participants
10462 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10463 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10466 p = q = appData.results;
10467 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10468 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10469 DisplayMessage(_("Waiting for other game(s)"),"");
10470 waitingForGame = TRUE;
10471 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10474 waitingForGame = FALSE;
10477 if(appData.tourneyType < 0) {
10478 if(nr>=0 && !pairingReceived) {
10480 if(pairing.pr == NoProc) {
10481 if(!appData.pairingEngine[0]) {
10482 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10485 StartChessProgram(&pairing); // starts the pairing engine
10487 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10488 SendToProgram(buf, &pairing);
10489 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10490 SendToProgram(buf, &pairing);
10491 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10493 pairingReceived = 0; // ... so we continue here
10495 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10496 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10497 matchGame = 1; roundNr = nr / syncInterval + 1;
10500 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10502 // redefine engines, engine dir, etc.
10503 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10504 if(first.pr == NoProc) {
10505 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10506 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10508 if(second.pr == NoProc) {
10510 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10511 SwapEngines(1); // and make that valid for second engine by swapping
10512 InitEngine(&second, 1);
10514 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10515 UpdateLogos(FALSE); // leave display to ModeHiglight()
10521 { // performs game initialization that does not invoke engines, and then tries to start the game
10522 int res, firstWhite, swapColors = 0;
10523 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10524 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
10526 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10527 if(strcmp(buf, currentDebugFile)) { // name has changed
10528 FILE *f = fopen(buf, "w");
10529 if(f) { // if opening the new file failed, just keep using the old one
10530 ASSIGN(currentDebugFile, buf);
10534 if(appData.serverFileName) {
10535 if(serverFP) fclose(serverFP);
10536 serverFP = fopen(appData.serverFileName, "w");
10537 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10538 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10542 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10543 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10544 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10545 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10546 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10547 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10548 Reset(FALSE, first.pr != NoProc);
10549 res = LoadGameOrPosition(matchGame); // setup game
10550 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10551 if(!res) return; // abort when bad game/pos file
10552 TwoMachinesEvent();
10556 UserAdjudicationEvent (int result)
10558 ChessMove gameResult = GameIsDrawn;
10561 gameResult = WhiteWins;
10563 else if( result < 0 ) {
10564 gameResult = BlackWins;
10567 if( gameMode == TwoMachinesPlay ) {
10568 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10573 // [HGM] save: calculate checksum of game to make games easily identifiable
10575 StringCheckSum (char *s)
10578 if(s==NULL) return 0;
10579 while(*s) i = i*259 + *s++;
10587 for(i=backwardMostMove; i<forwardMostMove; i++) {
10588 sum += pvInfoList[i].depth;
10589 sum += StringCheckSum(parseList[i]);
10590 sum += StringCheckSum(commentList[i]);
10593 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10594 return sum + StringCheckSum(commentList[i]);
10595 } // end of save patch
10598 GameEnds (ChessMove result, char *resultDetails, int whosays)
10600 GameMode nextGameMode;
10602 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10604 if(endingGame) return; /* [HGM] crash: forbid recursion */
10606 if(twoBoards) { // [HGM] dual: switch back to one board
10607 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10608 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10610 if (appData.debugMode) {
10611 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10612 result, resultDetails ? resultDetails : "(null)", whosays);
10615 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10617 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10619 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10620 /* If we are playing on ICS, the server decides when the
10621 game is over, but the engine can offer to draw, claim
10625 if (appData.zippyPlay && first.initDone) {
10626 if (result == GameIsDrawn) {
10627 /* In case draw still needs to be claimed */
10628 SendToICS(ics_prefix);
10629 SendToICS("draw\n");
10630 } else if (StrCaseStr(resultDetails, "resign")) {
10631 SendToICS(ics_prefix);
10632 SendToICS("resign\n");
10636 endingGame = 0; /* [HGM] crash */
10640 /* If we're loading the game from a file, stop */
10641 if (whosays == GE_FILE) {
10642 (void) StopLoadGameTimer();
10646 /* Cancel draw offers */
10647 first.offeredDraw = second.offeredDraw = 0;
10649 /* If this is an ICS game, only ICS can really say it's done;
10650 if not, anyone can. */
10651 isIcsGame = (gameMode == IcsPlayingWhite ||
10652 gameMode == IcsPlayingBlack ||
10653 gameMode == IcsObserving ||
10654 gameMode == IcsExamining);
10656 if (!isIcsGame || whosays == GE_ICS) {
10657 /* OK -- not an ICS game, or ICS said it was done */
10659 if (!isIcsGame && !appData.noChessProgram)
10660 SetUserThinkingEnables();
10662 /* [HGM] if a machine claims the game end we verify this claim */
10663 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10664 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10666 ChessMove trueResult = (ChessMove) -1;
10668 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10669 first.twoMachinesColor[0] :
10670 second.twoMachinesColor[0] ;
10672 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10673 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10674 /* [HGM] verify: engine mate claims accepted if they were flagged */
10675 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10677 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10678 /* [HGM] verify: engine mate claims accepted if they were flagged */
10679 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10681 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10682 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10685 // now verify win claims, but not in drop games, as we don't understand those yet
10686 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10687 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10688 (result == WhiteWins && claimer == 'w' ||
10689 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10690 if (appData.debugMode) {
10691 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10692 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10694 if(result != trueResult) {
10695 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10696 result = claimer == 'w' ? BlackWins : WhiteWins;
10697 resultDetails = buf;
10700 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10701 && (forwardMostMove <= backwardMostMove ||
10702 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10703 (claimer=='b')==(forwardMostMove&1))
10705 /* [HGM] verify: draws that were not flagged are false claims */
10706 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10707 result = claimer == 'w' ? BlackWins : WhiteWins;
10708 resultDetails = buf;
10710 /* (Claiming a loss is accepted no questions asked!) */
10711 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10712 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10713 result = GameUnfinished;
10714 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10716 /* [HGM] bare: don't allow bare King to win */
10717 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10718 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10719 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10720 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10721 && result != GameIsDrawn)
10722 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10723 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10724 int p = (signed char)boards[forwardMostMove][i][j] - color;
10725 if(p >= 0 && p <= (int)WhiteKing) k++;
10727 if (appData.debugMode) {
10728 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10729 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10732 result = GameIsDrawn;
10733 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10734 resultDetails = buf;
10740 if(serverMoves != NULL && !loadFlag) { char c = '=';
10741 if(result==WhiteWins) c = '+';
10742 if(result==BlackWins) c = '-';
10743 if(resultDetails != NULL)
10744 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10746 if (resultDetails != NULL) {
10747 gameInfo.result = result;
10748 gameInfo.resultDetails = StrSave(resultDetails);
10750 /* display last move only if game was not loaded from file */
10751 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10752 DisplayMove(currentMove - 1);
10754 if (forwardMostMove != 0) {
10755 if (gameMode != PlayFromGameFile && gameMode != EditGame
10756 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10758 if (*appData.saveGameFile != NULLCHAR) {
10759 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10760 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10762 SaveGameToFile(appData.saveGameFile, TRUE);
10763 } else if (appData.autoSaveGames) {
10764 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10766 if (*appData.savePositionFile != NULLCHAR) {
10767 SavePositionToFile(appData.savePositionFile);
10769 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10773 /* Tell program how game ended in case it is learning */
10774 /* [HGM] Moved this to after saving the PGN, just in case */
10775 /* engine died and we got here through time loss. In that */
10776 /* case we will get a fatal error writing the pipe, which */
10777 /* would otherwise lose us the PGN. */
10778 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10779 /* output during GameEnds should never be fatal anymore */
10780 if (gameMode == MachinePlaysWhite ||
10781 gameMode == MachinePlaysBlack ||
10782 gameMode == TwoMachinesPlay ||
10783 gameMode == IcsPlayingWhite ||
10784 gameMode == IcsPlayingBlack ||
10785 gameMode == BeginningOfGame) {
10787 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10789 if (first.pr != NoProc) {
10790 SendToProgram(buf, &first);
10792 if (second.pr != NoProc &&
10793 gameMode == TwoMachinesPlay) {
10794 SendToProgram(buf, &second);
10799 if (appData.icsActive) {
10800 if (appData.quietPlay &&
10801 (gameMode == IcsPlayingWhite ||
10802 gameMode == IcsPlayingBlack)) {
10803 SendToICS(ics_prefix);
10804 SendToICS("set shout 1\n");
10806 nextGameMode = IcsIdle;
10807 ics_user_moved = FALSE;
10808 /* clean up premove. It's ugly when the game has ended and the
10809 * premove highlights are still on the board.
10812 gotPremove = FALSE;
10813 ClearPremoveHighlights();
10814 DrawPosition(FALSE, boards[currentMove]);
10816 if (whosays == GE_ICS) {
10819 if (gameMode == IcsPlayingWhite)
10821 else if(gameMode == IcsPlayingBlack)
10822 PlayIcsLossSound();
10825 if (gameMode == IcsPlayingBlack)
10827 else if(gameMode == IcsPlayingWhite)
10828 PlayIcsLossSound();
10831 PlayIcsDrawSound();
10834 PlayIcsUnfinishedSound();
10837 } else if (gameMode == EditGame ||
10838 gameMode == PlayFromGameFile ||
10839 gameMode == AnalyzeMode ||
10840 gameMode == AnalyzeFile) {
10841 nextGameMode = gameMode;
10843 nextGameMode = EndOfGame;
10848 nextGameMode = gameMode;
10851 if (appData.noChessProgram) {
10852 gameMode = nextGameMode;
10854 endingGame = 0; /* [HGM] crash */
10859 /* Put first chess program into idle state */
10860 if (first.pr != NoProc &&
10861 (gameMode == MachinePlaysWhite ||
10862 gameMode == MachinePlaysBlack ||
10863 gameMode == TwoMachinesPlay ||
10864 gameMode == IcsPlayingWhite ||
10865 gameMode == IcsPlayingBlack ||
10866 gameMode == BeginningOfGame)) {
10867 SendToProgram("force\n", &first);
10868 if (first.usePing) {
10870 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10871 SendToProgram(buf, &first);
10874 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10875 /* Kill off first chess program */
10876 if (first.isr != NULL)
10877 RemoveInputSource(first.isr);
10880 if (first.pr != NoProc) {
10882 DoSleep( appData.delayBeforeQuit );
10883 SendToProgram("quit\n", &first);
10884 DoSleep( appData.delayAfterQuit );
10885 DestroyChildProcess(first.pr, first.useSigterm);
10886 first.reload = TRUE;
10890 if (second.reuse) {
10891 /* Put second chess program into idle state */
10892 if (second.pr != NoProc &&
10893 gameMode == TwoMachinesPlay) {
10894 SendToProgram("force\n", &second);
10895 if (second.usePing) {
10897 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10898 SendToProgram(buf, &second);
10901 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10902 /* Kill off second chess program */
10903 if (second.isr != NULL)
10904 RemoveInputSource(second.isr);
10907 if (second.pr != NoProc) {
10908 DoSleep( appData.delayBeforeQuit );
10909 SendToProgram("quit\n", &second);
10910 DoSleep( appData.delayAfterQuit );
10911 DestroyChildProcess(second.pr, second.useSigterm);
10912 second.reload = TRUE;
10914 second.pr = NoProc;
10917 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
10918 char resChar = '=';
10922 if (first.twoMachinesColor[0] == 'w') {
10925 second.matchWins++;
10930 if (first.twoMachinesColor[0] == 'b') {
10933 second.matchWins++;
10936 case GameUnfinished:
10942 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10943 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10944 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10945 ReserveGame(nextGame, resChar); // sets nextGame
10946 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10947 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10948 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10950 if (nextGame <= appData.matchGames && !abortMatch) {
10951 gameMode = nextGameMode;
10952 matchGame = nextGame; // this will be overruled in tourney mode!
10953 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10954 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10955 endingGame = 0; /* [HGM] crash */
10958 gameMode = nextGameMode;
10959 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10960 first.tidy, second.tidy,
10961 first.matchWins, second.matchWins,
10962 appData.matchGames - (first.matchWins + second.matchWins));
10963 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10964 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10965 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10966 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10967 first.twoMachinesColor = "black\n";
10968 second.twoMachinesColor = "white\n";
10970 first.twoMachinesColor = "white\n";
10971 second.twoMachinesColor = "black\n";
10975 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10976 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10978 gameMode = nextGameMode;
10980 endingGame = 0; /* [HGM] crash */
10981 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10982 if(matchMode == TRUE) { // match through command line: exit with or without popup
10984 ToNrEvent(forwardMostMove);
10985 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10987 } else DisplayFatalError(buf, 0, 0);
10988 } else { // match through menu; just stop, with or without popup
10989 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10992 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10993 } else DisplayNote(buf);
10995 if(ranking) free(ranking);
10999 /* Assumes program was just initialized (initString sent).
11000 Leaves program in force mode. */
11002 FeedMovesToProgram (ChessProgramState *cps, int upto)
11006 if (appData.debugMode)
11007 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11008 startedFromSetupPosition ? "position and " : "",
11009 backwardMostMove, upto, cps->which);
11010 if(currentlyInitializedVariant != gameInfo.variant) {
11012 // [HGM] variantswitch: make engine aware of new variant
11013 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11014 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11015 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11016 SendToProgram(buf, cps);
11017 currentlyInitializedVariant = gameInfo.variant;
11019 SendToProgram("force\n", cps);
11020 if (startedFromSetupPosition) {
11021 SendBoard(cps, backwardMostMove);
11022 if (appData.debugMode) {
11023 fprintf(debugFP, "feedMoves\n");
11026 for (i = backwardMostMove; i < upto; i++) {
11027 SendMoveToProgram(i, cps);
11033 ResurrectChessProgram ()
11035 /* The chess program may have exited.
11036 If so, restart it and feed it all the moves made so far. */
11037 static int doInit = 0;
11039 if (appData.noChessProgram) return 1;
11041 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11042 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11043 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11044 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11046 if (first.pr != NoProc) return 1;
11047 StartChessProgram(&first);
11049 InitChessProgram(&first, FALSE);
11050 FeedMovesToProgram(&first, currentMove);
11052 if (!first.sendTime) {
11053 /* can't tell gnuchess what its clock should read,
11054 so we bow to its notion. */
11056 timeRemaining[0][currentMove] = whiteTimeRemaining;
11057 timeRemaining[1][currentMove] = blackTimeRemaining;
11060 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11061 appData.icsEngineAnalyze) && first.analysisSupport) {
11062 SendToProgram("analyze\n", &first);
11063 first.analyzing = TRUE;
11069 * Button procedures
11072 Reset (int redraw, int init)
11076 if (appData.debugMode) {
11077 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11078 redraw, init, gameMode);
11080 CleanupTail(); // [HGM] vari: delete any stored variations
11081 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11082 pausing = pauseExamInvalid = FALSE;
11083 startedFromSetupPosition = blackPlaysFirst = FALSE;
11085 whiteFlag = blackFlag = FALSE;
11086 userOfferedDraw = FALSE;
11087 hintRequested = bookRequested = FALSE;
11088 first.maybeThinking = FALSE;
11089 second.maybeThinking = FALSE;
11090 first.bookSuspend = FALSE; // [HGM] book
11091 second.bookSuspend = FALSE;
11092 thinkOutput[0] = NULLCHAR;
11093 lastHint[0] = NULLCHAR;
11094 ClearGameInfo(&gameInfo);
11095 gameInfo.variant = StringToVariant(appData.variant);
11096 ics_user_moved = ics_clock_paused = FALSE;
11097 ics_getting_history = H_FALSE;
11099 white_holding[0] = black_holding[0] = NULLCHAR;
11100 ClearProgramStats();
11101 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11105 flipView = appData.flipView;
11106 ClearPremoveHighlights();
11107 gotPremove = FALSE;
11108 alarmSounded = FALSE;
11110 GameEnds(EndOfFile, NULL, GE_PLAYER);
11111 if(appData.serverMovesName != NULL) {
11112 /* [HGM] prepare to make moves file for broadcasting */
11113 clock_t t = clock();
11114 if(serverMoves != NULL) fclose(serverMoves);
11115 serverMoves = fopen(appData.serverMovesName, "r");
11116 if(serverMoves != NULL) {
11117 fclose(serverMoves);
11118 /* delay 15 sec before overwriting, so all clients can see end */
11119 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11121 serverMoves = fopen(appData.serverMovesName, "w");
11125 gameMode = BeginningOfGame;
11127 if(appData.icsActive) gameInfo.variant = VariantNormal;
11128 currentMove = forwardMostMove = backwardMostMove = 0;
11129 MarkTargetSquares(1);
11130 InitPosition(redraw);
11131 for (i = 0; i < MAX_MOVES; i++) {
11132 if (commentList[i] != NULL) {
11133 free(commentList[i]);
11134 commentList[i] = NULL;
11138 timeRemaining[0][0] = whiteTimeRemaining;
11139 timeRemaining[1][0] = blackTimeRemaining;
11141 if (first.pr == NoProc) {
11142 StartChessProgram(&first);
11145 InitChessProgram(&first, startedFromSetupPosition);
11148 DisplayMessage("", "");
11149 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11150 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11151 ClearMap(); // [HGM] exclude: invalidate map
11155 AutoPlayGameLoop ()
11158 if (!AutoPlayOneMove())
11160 if (matchMode || appData.timeDelay == 0)
11162 if (appData.timeDelay < 0)
11164 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11172 ReloadGame(1); // next game
11178 int fromX, fromY, toX, toY;
11180 if (appData.debugMode) {
11181 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11184 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11187 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11188 pvInfoList[currentMove].depth = programStats.depth;
11189 pvInfoList[currentMove].score = programStats.score;
11190 pvInfoList[currentMove].time = 0;
11191 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11194 if (currentMove >= forwardMostMove) {
11195 if(gameMode == AnalyzeFile) {
11196 if(appData.loadGameIndex == -1) {
11197 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11198 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11200 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11203 // gameMode = EndOfGame;
11204 // ModeHighlight();
11206 /* [AS] Clear current move marker at the end of a game */
11207 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11212 toX = moveList[currentMove][2] - AAA;
11213 toY = moveList[currentMove][3] - ONE;
11215 if (moveList[currentMove][1] == '@') {
11216 if (appData.highlightLastMove) {
11217 SetHighlights(-1, -1, toX, toY);
11220 fromX = moveList[currentMove][0] - AAA;
11221 fromY = moveList[currentMove][1] - ONE;
11223 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11225 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11227 if (appData.highlightLastMove) {
11228 SetHighlights(fromX, fromY, toX, toY);
11231 DisplayMove(currentMove);
11232 SendMoveToProgram(currentMove++, &first);
11233 DisplayBothClocks();
11234 DrawPosition(FALSE, boards[currentMove]);
11235 // [HGM] PV info: always display, routine tests if empty
11236 DisplayComment(currentMove - 1, commentList[currentMove]);
11242 LoadGameOneMove (ChessMove readAhead)
11244 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11245 char promoChar = NULLCHAR;
11246 ChessMove moveType;
11247 char move[MSG_SIZ];
11250 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11251 gameMode != AnalyzeMode && gameMode != Training) {
11256 yyboardindex = forwardMostMove;
11257 if (readAhead != EndOfFile) {
11258 moveType = readAhead;
11260 if (gameFileFP == NULL)
11262 moveType = (ChessMove) Myylex();
11266 switch (moveType) {
11268 if (appData.debugMode)
11269 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11272 /* append the comment but don't display it */
11273 AppendComment(currentMove, p, FALSE);
11276 case WhiteCapturesEnPassant:
11277 case BlackCapturesEnPassant:
11278 case WhitePromotion:
11279 case BlackPromotion:
11280 case WhiteNonPromotion:
11281 case BlackNonPromotion:
11283 case WhiteKingSideCastle:
11284 case WhiteQueenSideCastle:
11285 case BlackKingSideCastle:
11286 case BlackQueenSideCastle:
11287 case WhiteKingSideCastleWild:
11288 case WhiteQueenSideCastleWild:
11289 case BlackKingSideCastleWild:
11290 case BlackQueenSideCastleWild:
11292 case WhiteHSideCastleFR:
11293 case WhiteASideCastleFR:
11294 case BlackHSideCastleFR:
11295 case BlackASideCastleFR:
11297 if (appData.debugMode)
11298 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11299 fromX = currentMoveString[0] - AAA;
11300 fromY = currentMoveString[1] - ONE;
11301 toX = currentMoveString[2] - AAA;
11302 toY = currentMoveString[3] - ONE;
11303 promoChar = currentMoveString[4];
11308 if (appData.debugMode)
11309 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11310 fromX = moveType == WhiteDrop ?
11311 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11312 (int) CharToPiece(ToLower(currentMoveString[0]));
11314 toX = currentMoveString[2] - AAA;
11315 toY = currentMoveString[3] - ONE;
11321 case GameUnfinished:
11322 if (appData.debugMode)
11323 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11324 p = strchr(yy_text, '{');
11325 if (p == NULL) p = strchr(yy_text, '(');
11328 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11330 q = strchr(p, *p == '{' ? '}' : ')');
11331 if (q != NULL) *q = NULLCHAR;
11334 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11335 GameEnds(moveType, p, GE_FILE);
11337 if (cmailMsgLoaded) {
11339 flipView = WhiteOnMove(currentMove);
11340 if (moveType == GameUnfinished) flipView = !flipView;
11341 if (appData.debugMode)
11342 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11347 if (appData.debugMode)
11348 fprintf(debugFP, "Parser hit end of file\n");
11349 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11355 if (WhiteOnMove(currentMove)) {
11356 GameEnds(BlackWins, "Black mates", GE_FILE);
11358 GameEnds(WhiteWins, "White mates", GE_FILE);
11362 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11368 case MoveNumberOne:
11369 if (lastLoadGameStart == GNUChessGame) {
11370 /* GNUChessGames have numbers, but they aren't move numbers */
11371 if (appData.debugMode)
11372 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11373 yy_text, (int) moveType);
11374 return LoadGameOneMove(EndOfFile); /* tail recursion */
11376 /* else fall thru */
11381 /* Reached start of next game in file */
11382 if (appData.debugMode)
11383 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11384 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11390 if (WhiteOnMove(currentMove)) {
11391 GameEnds(BlackWins, "Black mates", GE_FILE);
11393 GameEnds(WhiteWins, "White mates", GE_FILE);
11397 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11403 case PositionDiagram: /* should not happen; ignore */
11404 case ElapsedTime: /* ignore */
11405 case NAG: /* ignore */
11406 if (appData.debugMode)
11407 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11408 yy_text, (int) moveType);
11409 return LoadGameOneMove(EndOfFile); /* tail recursion */
11412 if (appData.testLegality) {
11413 if (appData.debugMode)
11414 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11415 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11416 (forwardMostMove / 2) + 1,
11417 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11418 DisplayError(move, 0);
11421 if (appData.debugMode)
11422 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11423 yy_text, currentMoveString);
11424 fromX = currentMoveString[0] - AAA;
11425 fromY = currentMoveString[1] - ONE;
11426 toX = currentMoveString[2] - AAA;
11427 toY = currentMoveString[3] - ONE;
11428 promoChar = currentMoveString[4];
11432 case AmbiguousMove:
11433 if (appData.debugMode)
11434 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11435 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11436 (forwardMostMove / 2) + 1,
11437 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11438 DisplayError(move, 0);
11443 case ImpossibleMove:
11444 if (appData.debugMode)
11445 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11446 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11447 (forwardMostMove / 2) + 1,
11448 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11449 DisplayError(move, 0);
11455 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11456 DrawPosition(FALSE, boards[currentMove]);
11457 DisplayBothClocks();
11458 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11459 DisplayComment(currentMove - 1, commentList[currentMove]);
11461 (void) StopLoadGameTimer();
11463 cmailOldMove = forwardMostMove;
11466 /* currentMoveString is set as a side-effect of yylex */
11468 thinkOutput[0] = NULLCHAR;
11469 MakeMove(fromX, fromY, toX, toY, promoChar);
11470 currentMove = forwardMostMove;
11475 /* Load the nth game from the given file */
11477 LoadGameFromFile (char *filename, int n, char *title, int useList)
11482 if (strcmp(filename, "-") == 0) {
11486 f = fopen(filename, "rb");
11488 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11489 DisplayError(buf, errno);
11493 if (fseek(f, 0, 0) == -1) {
11494 /* f is not seekable; probably a pipe */
11497 if (useList && n == 0) {
11498 int error = GameListBuild(f);
11500 DisplayError(_("Cannot build game list"), error);
11501 } else if (!ListEmpty(&gameList) &&
11502 ((ListGame *) gameList.tailPred)->number > 1) {
11503 GameListPopUp(f, title);
11510 return LoadGame(f, n, title, FALSE);
11515 MakeRegisteredMove ()
11517 int fromX, fromY, toX, toY;
11519 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11520 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11523 if (appData.debugMode)
11524 fprintf(debugFP, "Restoring %s for game %d\n",
11525 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11527 thinkOutput[0] = NULLCHAR;
11528 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11529 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11530 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11531 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11532 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11533 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11534 MakeMove(fromX, fromY, toX, toY, promoChar);
11535 ShowMove(fromX, fromY, toX, toY);
11537 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11544 if (WhiteOnMove(currentMove)) {
11545 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11547 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11552 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11559 if (WhiteOnMove(currentMove)) {
11560 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11562 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11567 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11578 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11580 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11584 if (gameNumber > nCmailGames) {
11585 DisplayError(_("No more games in this message"), 0);
11588 if (f == lastLoadGameFP) {
11589 int offset = gameNumber - lastLoadGameNumber;
11591 cmailMsg[0] = NULLCHAR;
11592 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11593 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11594 nCmailMovesRegistered--;
11596 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11597 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11598 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11601 if (! RegisterMove()) return FALSE;
11605 retVal = LoadGame(f, gameNumber, title, useList);
11607 /* Make move registered during previous look at this game, if any */
11608 MakeRegisteredMove();
11610 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11611 commentList[currentMove]
11612 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11613 DisplayComment(currentMove - 1, commentList[currentMove]);
11619 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11621 ReloadGame (int offset)
11623 int gameNumber = lastLoadGameNumber + offset;
11624 if (lastLoadGameFP == NULL) {
11625 DisplayError(_("No game has been loaded yet"), 0);
11628 if (gameNumber <= 0) {
11629 DisplayError(_("Can't back up any further"), 0);
11632 if (cmailMsgLoaded) {
11633 return CmailLoadGame(lastLoadGameFP, gameNumber,
11634 lastLoadGameTitle, lastLoadGameUseList);
11636 return LoadGame(lastLoadGameFP, gameNumber,
11637 lastLoadGameTitle, lastLoadGameUseList);
11641 int keys[EmptySquare+1];
11644 PositionMatches (Board b1, Board b2)
11647 switch(appData.searchMode) {
11648 case 1: return CompareWithRights(b1, b2);
11650 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11651 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11655 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11656 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11657 sum += keys[b1[r][f]] - keys[b2[r][f]];
11661 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11662 sum += keys[b1[r][f]] - keys[b2[r][f]];
11674 int pieceList[256], quickBoard[256];
11675 ChessSquare pieceType[256] = { EmptySquare };
11676 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11677 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11678 int soughtTotal, turn;
11679 Boolean epOK, flipSearch;
11682 unsigned char piece, to;
11685 #define DSIZE (250000)
11687 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11688 Move *moveDatabase = initialSpace;
11689 unsigned int movePtr, dataSize = DSIZE;
11692 MakePieceList (Board board, int *counts)
11694 int r, f, n=Q_PROMO, total=0;
11695 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11696 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11697 int sq = f + (r<<4);
11698 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11699 quickBoard[sq] = ++n;
11701 pieceType[n] = board[r][f];
11702 counts[board[r][f]]++;
11703 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11704 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11708 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11713 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11715 int sq = fromX + (fromY<<4);
11716 int piece = quickBoard[sq];
11717 quickBoard[sq] = 0;
11718 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11719 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11720 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11721 moveDatabase[movePtr++].piece = Q_WCASTL;
11722 quickBoard[sq] = piece;
11723 piece = quickBoard[from]; quickBoard[from] = 0;
11724 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11726 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11727 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11728 moveDatabase[movePtr++].piece = Q_BCASTL;
11729 quickBoard[sq] = piece;
11730 piece = quickBoard[from]; quickBoard[from] = 0;
11731 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11733 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11734 quickBoard[(fromY<<4)+toX] = 0;
11735 moveDatabase[movePtr].piece = Q_EP;
11736 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11737 moveDatabase[movePtr].to = sq;
11739 if(promoPiece != pieceType[piece]) {
11740 moveDatabase[movePtr++].piece = Q_PROMO;
11741 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11743 moveDatabase[movePtr].piece = piece;
11744 quickBoard[sq] = piece;
11749 PackGame (Board board)
11751 Move *newSpace = NULL;
11752 moveDatabase[movePtr].piece = 0; // terminate previous game
11753 if(movePtr > dataSize) {
11754 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11755 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11756 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11759 Move *p = moveDatabase, *q = newSpace;
11760 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11761 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11762 moveDatabase = newSpace;
11763 } else { // calloc failed, we must be out of memory. Too bad...
11764 dataSize = 0; // prevent calloc events for all subsequent games
11765 return 0; // and signal this one isn't cached
11769 MakePieceList(board, counts);
11774 QuickCompare (Board board, int *minCounts, int *maxCounts)
11775 { // compare according to search mode
11777 switch(appData.searchMode)
11779 case 1: // exact position match
11780 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11781 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11782 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11785 case 2: // can have extra material on empty squares
11786 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11787 if(board[r][f] == EmptySquare) continue;
11788 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11791 case 3: // material with exact Pawn structure
11792 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11793 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11794 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11795 } // fall through to material comparison
11796 case 4: // exact material
11797 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11799 case 6: // material range with given imbalance
11800 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11801 // fall through to range comparison
11802 case 5: // material range
11803 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11809 QuickScan (Board board, Move *move)
11810 { // reconstruct game,and compare all positions in it
11811 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11813 int piece = move->piece;
11814 int to = move->to, from = pieceList[piece];
11815 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11816 if(!piece) return -1;
11817 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11818 piece = (++move)->piece;
11819 from = pieceList[piece];
11820 counts[pieceType[piece]]--;
11821 pieceType[piece] = (ChessSquare) move->to;
11822 counts[move->to]++;
11823 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11824 counts[pieceType[quickBoard[to]]]--;
11825 quickBoard[to] = 0; total--;
11828 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11829 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11830 from = pieceList[piece]; // so this must be King
11831 quickBoard[from] = 0;
11832 pieceList[piece] = to;
11833 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11834 quickBoard[from] = 0; // rook
11835 quickBoard[to] = piece;
11836 to = move->to; piece = move->piece;
11840 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11841 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11842 quickBoard[from] = 0;
11844 quickBoard[to] = piece;
11845 pieceList[piece] = to;
11847 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11848 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11849 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11850 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11852 static int lastCounts[EmptySquare+1];
11854 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11855 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11856 } else stretch = 0;
11857 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11866 flipSearch = FALSE;
11867 CopyBoard(soughtBoard, boards[currentMove]);
11868 soughtTotal = MakePieceList(soughtBoard, maxSought);
11869 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11870 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11871 CopyBoard(reverseBoard, boards[currentMove]);
11872 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11873 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11874 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11875 reverseBoard[r][f] = piece;
11877 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11878 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11879 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11880 || (boards[currentMove][CASTLING][2] == NoRights ||
11881 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11882 && (boards[currentMove][CASTLING][5] == NoRights ||
11883 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11886 CopyBoard(flipBoard, soughtBoard);
11887 CopyBoard(rotateBoard, reverseBoard);
11888 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11889 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11890 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11893 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11894 if(appData.searchMode >= 5) {
11895 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11896 MakePieceList(soughtBoard, minSought);
11897 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11899 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11900 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11903 GameInfo dummyInfo;
11904 static int creatingBook;
11907 GameContainsPosition (FILE *f, ListGame *lg)
11909 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11910 int fromX, fromY, toX, toY;
11912 static int initDone=FALSE;
11914 // weed out games based on numerical tag comparison
11915 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11916 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11917 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11918 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11920 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11923 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11924 else CopyBoard(boards[scratch], initialPosition); // default start position
11927 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11928 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11931 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11932 fseek(f, lg->offset, 0);
11935 yyboardindex = scratch;
11936 quickFlag = plyNr+1;
11941 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11947 if(plyNr) return -1; // after we have seen moves, this is for new game
11950 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11951 case ImpossibleMove:
11952 case WhiteWins: // game ends here with these four
11955 case GameUnfinished:
11959 if(appData.testLegality) return -1;
11960 case WhiteCapturesEnPassant:
11961 case BlackCapturesEnPassant:
11962 case WhitePromotion:
11963 case BlackPromotion:
11964 case WhiteNonPromotion:
11965 case BlackNonPromotion:
11967 case WhiteKingSideCastle:
11968 case WhiteQueenSideCastle:
11969 case BlackKingSideCastle:
11970 case BlackQueenSideCastle:
11971 case WhiteKingSideCastleWild:
11972 case WhiteQueenSideCastleWild:
11973 case BlackKingSideCastleWild:
11974 case BlackQueenSideCastleWild:
11975 case WhiteHSideCastleFR:
11976 case WhiteASideCastleFR:
11977 case BlackHSideCastleFR:
11978 case BlackASideCastleFR:
11979 fromX = currentMoveString[0] - AAA;
11980 fromY = currentMoveString[1] - ONE;
11981 toX = currentMoveString[2] - AAA;
11982 toY = currentMoveString[3] - ONE;
11983 promoChar = currentMoveString[4];
11987 fromX = next == WhiteDrop ?
11988 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11989 (int) CharToPiece(ToLower(currentMoveString[0]));
11991 toX = currentMoveString[2] - AAA;
11992 toY = currentMoveString[3] - ONE;
11996 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11998 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11999 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12000 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12001 if(appData.findMirror) {
12002 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12003 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12008 /* Load the nth game from open file f */
12010 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12014 int gn = gameNumber;
12015 ListGame *lg = NULL;
12016 int numPGNTags = 0;
12018 GameMode oldGameMode;
12019 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12021 if (appData.debugMode)
12022 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12024 if (gameMode == Training )
12025 SetTrainingModeOff();
12027 oldGameMode = gameMode;
12028 if (gameMode != BeginningOfGame) {
12029 Reset(FALSE, TRUE);
12033 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12034 fclose(lastLoadGameFP);
12038 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12041 fseek(f, lg->offset, 0);
12042 GameListHighlight(gameNumber);
12043 pos = lg->position;
12047 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12048 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12050 DisplayError(_("Game number out of range"), 0);
12055 if (fseek(f, 0, 0) == -1) {
12056 if (f == lastLoadGameFP ?
12057 gameNumber == lastLoadGameNumber + 1 :
12061 DisplayError(_("Can't seek on game file"), 0);
12066 lastLoadGameFP = f;
12067 lastLoadGameNumber = gameNumber;
12068 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12069 lastLoadGameUseList = useList;
12073 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12074 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12075 lg->gameInfo.black);
12077 } else if (*title != NULLCHAR) {
12078 if (gameNumber > 1) {
12079 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12082 DisplayTitle(title);
12086 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12087 gameMode = PlayFromGameFile;
12091 currentMove = forwardMostMove = backwardMostMove = 0;
12092 CopyBoard(boards[0], initialPosition);
12096 * Skip the first gn-1 games in the file.
12097 * Also skip over anything that precedes an identifiable
12098 * start of game marker, to avoid being confused by
12099 * garbage at the start of the file. Currently
12100 * recognized start of game markers are the move number "1",
12101 * the pattern "gnuchess .* game", the pattern
12102 * "^[#;%] [^ ]* game file", and a PGN tag block.
12103 * A game that starts with one of the latter two patterns
12104 * will also have a move number 1, possibly
12105 * following a position diagram.
12106 * 5-4-02: Let's try being more lenient and allowing a game to
12107 * start with an unnumbered move. Does that break anything?
12109 cm = lastLoadGameStart = EndOfFile;
12111 yyboardindex = forwardMostMove;
12112 cm = (ChessMove) Myylex();
12115 if (cmailMsgLoaded) {
12116 nCmailGames = CMAIL_MAX_GAMES - gn;
12119 DisplayError(_("Game not found in file"), 0);
12126 lastLoadGameStart = cm;
12129 case MoveNumberOne:
12130 switch (lastLoadGameStart) {
12135 case MoveNumberOne:
12137 gn--; /* count this game */
12138 lastLoadGameStart = cm;
12147 switch (lastLoadGameStart) {
12150 case MoveNumberOne:
12152 gn--; /* count this game */
12153 lastLoadGameStart = cm;
12156 lastLoadGameStart = cm; /* game counted already */
12164 yyboardindex = forwardMostMove;
12165 cm = (ChessMove) Myylex();
12166 } while (cm == PGNTag || cm == Comment);
12173 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12174 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12175 != CMAIL_OLD_RESULT) {
12177 cmailResult[ CMAIL_MAX_GAMES
12178 - gn - 1] = CMAIL_OLD_RESULT;
12184 /* Only a NormalMove can be at the start of a game
12185 * without a position diagram. */
12186 if (lastLoadGameStart == EndOfFile ) {
12188 lastLoadGameStart = MoveNumberOne;
12197 if (appData.debugMode)
12198 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12200 if (cm == XBoardGame) {
12201 /* Skip any header junk before position diagram and/or move 1 */
12203 yyboardindex = forwardMostMove;
12204 cm = (ChessMove) Myylex();
12206 if (cm == EndOfFile ||
12207 cm == GNUChessGame || cm == XBoardGame) {
12208 /* Empty game; pretend end-of-file and handle later */
12213 if (cm == MoveNumberOne || cm == PositionDiagram ||
12214 cm == PGNTag || cm == Comment)
12217 } else if (cm == GNUChessGame) {
12218 if (gameInfo.event != NULL) {
12219 free(gameInfo.event);
12221 gameInfo.event = StrSave(yy_text);
12224 startedFromSetupPosition = FALSE;
12225 while (cm == PGNTag) {
12226 if (appData.debugMode)
12227 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12228 err = ParsePGNTag(yy_text, &gameInfo);
12229 if (!err) numPGNTags++;
12231 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12232 if(gameInfo.variant != oldVariant) {
12233 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12234 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12235 InitPosition(TRUE);
12236 oldVariant = gameInfo.variant;
12237 if (appData.debugMode)
12238 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12242 if (gameInfo.fen != NULL) {
12243 Board initial_position;
12244 startedFromSetupPosition = TRUE;
12245 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12247 DisplayError(_("Bad FEN position in file"), 0);
12250 CopyBoard(boards[0], initial_position);
12251 if (blackPlaysFirst) {
12252 currentMove = forwardMostMove = backwardMostMove = 1;
12253 CopyBoard(boards[1], initial_position);
12254 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12255 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12256 timeRemaining[0][1] = whiteTimeRemaining;
12257 timeRemaining[1][1] = blackTimeRemaining;
12258 if (commentList[0] != NULL) {
12259 commentList[1] = commentList[0];
12260 commentList[0] = NULL;
12263 currentMove = forwardMostMove = backwardMostMove = 0;
12265 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12267 initialRulePlies = FENrulePlies;
12268 for( i=0; i< nrCastlingRights; i++ )
12269 initialRights[i] = initial_position[CASTLING][i];
12271 yyboardindex = forwardMostMove;
12272 free(gameInfo.fen);
12273 gameInfo.fen = NULL;
12276 yyboardindex = forwardMostMove;
12277 cm = (ChessMove) Myylex();
12279 /* Handle comments interspersed among the tags */
12280 while (cm == Comment) {
12282 if (appData.debugMode)
12283 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12285 AppendComment(currentMove, p, FALSE);
12286 yyboardindex = forwardMostMove;
12287 cm = (ChessMove) Myylex();
12291 /* don't rely on existence of Event tag since if game was
12292 * pasted from clipboard the Event tag may not exist
12294 if (numPGNTags > 0){
12296 if (gameInfo.variant == VariantNormal) {
12297 VariantClass v = StringToVariant(gameInfo.event);
12298 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12299 if(v < VariantShogi) gameInfo.variant = v;
12302 if( appData.autoDisplayTags ) {
12303 tags = PGNTags(&gameInfo);
12304 TagsPopUp(tags, CmailMsg());
12309 /* Make something up, but don't display it now */
12314 if (cm == PositionDiagram) {
12317 Board initial_position;
12319 if (appData.debugMode)
12320 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12322 if (!startedFromSetupPosition) {
12324 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12325 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12336 initial_position[i][j++] = CharToPiece(*p);
12339 while (*p == ' ' || *p == '\t' ||
12340 *p == '\n' || *p == '\r') p++;
12342 if (strncmp(p, "black", strlen("black"))==0)
12343 blackPlaysFirst = TRUE;
12345 blackPlaysFirst = FALSE;
12346 startedFromSetupPosition = TRUE;
12348 CopyBoard(boards[0], initial_position);
12349 if (blackPlaysFirst) {
12350 currentMove = forwardMostMove = backwardMostMove = 1;
12351 CopyBoard(boards[1], initial_position);
12352 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12353 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12354 timeRemaining[0][1] = whiteTimeRemaining;
12355 timeRemaining[1][1] = blackTimeRemaining;
12356 if (commentList[0] != NULL) {
12357 commentList[1] = commentList[0];
12358 commentList[0] = NULL;
12361 currentMove = forwardMostMove = backwardMostMove = 0;
12364 yyboardindex = forwardMostMove;
12365 cm = (ChessMove) Myylex();
12368 if(!creatingBook) {
12369 if (first.pr == NoProc) {
12370 StartChessProgram(&first);
12372 InitChessProgram(&first, FALSE);
12373 SendToProgram("force\n", &first);
12374 if (startedFromSetupPosition) {
12375 SendBoard(&first, forwardMostMove);
12376 if (appData.debugMode) {
12377 fprintf(debugFP, "Load Game\n");
12379 DisplayBothClocks();
12383 /* [HGM] server: flag to write setup moves in broadcast file as one */
12384 loadFlag = appData.suppressLoadMoves;
12386 while (cm == Comment) {
12388 if (appData.debugMode)
12389 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12391 AppendComment(currentMove, p, FALSE);
12392 yyboardindex = forwardMostMove;
12393 cm = (ChessMove) Myylex();
12396 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12397 cm == WhiteWins || cm == BlackWins ||
12398 cm == GameIsDrawn || cm == GameUnfinished) {
12399 DisplayMessage("", _("No moves in game"));
12400 if (cmailMsgLoaded) {
12401 if (appData.debugMode)
12402 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12406 DrawPosition(FALSE, boards[currentMove]);
12407 DisplayBothClocks();
12408 gameMode = EditGame;
12415 // [HGM] PV info: routine tests if comment empty
12416 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12417 DisplayComment(currentMove - 1, commentList[currentMove]);
12419 if (!matchMode && appData.timeDelay != 0)
12420 DrawPosition(FALSE, boards[currentMove]);
12422 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12423 programStats.ok_to_send = 1;
12426 /* if the first token after the PGN tags is a move
12427 * and not move number 1, retrieve it from the parser
12429 if (cm != MoveNumberOne)
12430 LoadGameOneMove(cm);
12432 /* load the remaining moves from the file */
12433 while (LoadGameOneMove(EndOfFile)) {
12434 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12435 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12438 /* rewind to the start of the game */
12439 currentMove = backwardMostMove;
12441 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12443 if (oldGameMode == AnalyzeFile) {
12444 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12445 AnalyzeFileEvent();
12447 if (oldGameMode == AnalyzeMode) {
12448 AnalyzeFileEvent();
12451 if(creatingBook) return TRUE;
12452 if (!matchMode && pos > 0) {
12453 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12455 if (matchMode || appData.timeDelay == 0) {
12457 } else if (appData.timeDelay > 0) {
12458 AutoPlayGameLoop();
12461 if (appData.debugMode)
12462 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12464 loadFlag = 0; /* [HGM] true game starts */
12468 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12470 ReloadPosition (int offset)
12472 int positionNumber = lastLoadPositionNumber + offset;
12473 if (lastLoadPositionFP == NULL) {
12474 DisplayError(_("No position has been loaded yet"), 0);
12477 if (positionNumber <= 0) {
12478 DisplayError(_("Can't back up any further"), 0);
12481 return LoadPosition(lastLoadPositionFP, positionNumber,
12482 lastLoadPositionTitle);
12485 /* Load the nth position from the given file */
12487 LoadPositionFromFile (char *filename, int n, char *title)
12492 if (strcmp(filename, "-") == 0) {
12493 return LoadPosition(stdin, n, "stdin");
12495 f = fopen(filename, "rb");
12497 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12498 DisplayError(buf, errno);
12501 return LoadPosition(f, n, title);
12506 /* Load the nth position from the given open file, and close it */
12508 LoadPosition (FILE *f, int positionNumber, char *title)
12510 char *p, line[MSG_SIZ];
12511 Board initial_position;
12512 int i, j, fenMode, pn;
12514 if (gameMode == Training )
12515 SetTrainingModeOff();
12517 if (gameMode != BeginningOfGame) {
12518 Reset(FALSE, TRUE);
12520 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12521 fclose(lastLoadPositionFP);
12523 if (positionNumber == 0) positionNumber = 1;
12524 lastLoadPositionFP = f;
12525 lastLoadPositionNumber = positionNumber;
12526 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12527 if (first.pr == NoProc && !appData.noChessProgram) {
12528 StartChessProgram(&first);
12529 InitChessProgram(&first, FALSE);
12531 pn = positionNumber;
12532 if (positionNumber < 0) {
12533 /* Negative position number means to seek to that byte offset */
12534 if (fseek(f, -positionNumber, 0) == -1) {
12535 DisplayError(_("Can't seek on position file"), 0);
12540 if (fseek(f, 0, 0) == -1) {
12541 if (f == lastLoadPositionFP ?
12542 positionNumber == lastLoadPositionNumber + 1 :
12543 positionNumber == 1) {
12546 DisplayError(_("Can't seek on position file"), 0);
12551 /* See if this file is FEN or old-style xboard */
12552 if (fgets(line, MSG_SIZ, f) == NULL) {
12553 DisplayError(_("Position not found in file"), 0);
12556 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12557 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12560 if (fenMode || line[0] == '#') pn--;
12562 /* skip positions before number pn */
12563 if (fgets(line, MSG_SIZ, f) == NULL) {
12565 DisplayError(_("Position not found in file"), 0);
12568 if (fenMode || line[0] == '#') pn--;
12573 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12574 DisplayError(_("Bad FEN position in file"), 0);
12578 (void) fgets(line, MSG_SIZ, f);
12579 (void) fgets(line, MSG_SIZ, f);
12581 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12582 (void) fgets(line, MSG_SIZ, f);
12583 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12586 initial_position[i][j++] = CharToPiece(*p);
12590 blackPlaysFirst = FALSE;
12592 (void) fgets(line, MSG_SIZ, f);
12593 if (strncmp(line, "black", strlen("black"))==0)
12594 blackPlaysFirst = TRUE;
12597 startedFromSetupPosition = TRUE;
12599 CopyBoard(boards[0], initial_position);
12600 if (blackPlaysFirst) {
12601 currentMove = forwardMostMove = backwardMostMove = 1;
12602 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12603 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12604 CopyBoard(boards[1], initial_position);
12605 DisplayMessage("", _("Black to play"));
12607 currentMove = forwardMostMove = backwardMostMove = 0;
12608 DisplayMessage("", _("White to play"));
12610 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12611 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12612 SendToProgram("force\n", &first);
12613 SendBoard(&first, forwardMostMove);
12615 if (appData.debugMode) {
12617 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12618 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12619 fprintf(debugFP, "Load Position\n");
12622 if (positionNumber > 1) {
12623 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12624 DisplayTitle(line);
12626 DisplayTitle(title);
12628 gameMode = EditGame;
12631 timeRemaining[0][1] = whiteTimeRemaining;
12632 timeRemaining[1][1] = blackTimeRemaining;
12633 DrawPosition(FALSE, boards[currentMove]);
12640 CopyPlayerNameIntoFileName (char **dest, char *src)
12642 while (*src != NULLCHAR && *src != ',') {
12647 *(*dest)++ = *src++;
12653 DefaultFileName (char *ext)
12655 static char def[MSG_SIZ];
12658 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12660 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12662 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12664 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12671 /* Save the current game to the given file */
12673 SaveGameToFile (char *filename, int append)
12677 int result, i, t,tot=0;
12679 if (strcmp(filename, "-") == 0) {
12680 return SaveGame(stdout, 0, NULL);
12682 for(i=0; i<10; i++) { // upto 10 tries
12683 f = fopen(filename, append ? "a" : "w");
12684 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12685 if(f || errno != 13) break;
12686 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12690 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12691 DisplayError(buf, errno);
12694 safeStrCpy(buf, lastMsg, MSG_SIZ);
12695 DisplayMessage(_("Waiting for access to save file"), "");
12696 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12697 DisplayMessage(_("Saving game"), "");
12698 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12699 result = SaveGame(f, 0, NULL);
12700 DisplayMessage(buf, "");
12707 SavePart (char *str)
12709 static char buf[MSG_SIZ];
12712 p = strchr(str, ' ');
12713 if (p == NULL) return str;
12714 strncpy(buf, str, p - str);
12715 buf[p - str] = NULLCHAR;
12719 #define PGN_MAX_LINE 75
12721 #define PGN_SIDE_WHITE 0
12722 #define PGN_SIDE_BLACK 1
12725 FindFirstMoveOutOfBook (int side)
12729 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12730 int index = backwardMostMove;
12731 int has_book_hit = 0;
12733 if( (index % 2) != side ) {
12737 while( index < forwardMostMove ) {
12738 /* Check to see if engine is in book */
12739 int depth = pvInfoList[index].depth;
12740 int score = pvInfoList[index].score;
12746 else if( score == 0 && depth == 63 ) {
12747 in_book = 1; /* Zappa */
12749 else if( score == 2 && depth == 99 ) {
12750 in_book = 1; /* Abrok */
12753 has_book_hit += in_book;
12769 GetOutOfBookInfo (char * buf)
12773 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12775 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12776 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12780 if( oob[0] >= 0 || oob[1] >= 0 ) {
12781 for( i=0; i<2; i++ ) {
12785 if( i > 0 && oob[0] >= 0 ) {
12786 strcat( buf, " " );
12789 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12790 sprintf( buf+strlen(buf), "%s%.2f",
12791 pvInfoList[idx].score >= 0 ? "+" : "",
12792 pvInfoList[idx].score / 100.0 );
12798 /* Save game in PGN style and close the file */
12800 SaveGamePGN (FILE *f)
12802 int i, offset, linelen, newblock;
12805 int movelen, numlen, blank;
12806 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12808 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12810 PrintPGNTags(f, &gameInfo);
12812 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12814 if (backwardMostMove > 0 || startedFromSetupPosition) {
12815 char *fen = PositionToFEN(backwardMostMove, NULL);
12816 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12817 fprintf(f, "\n{--------------\n");
12818 PrintPosition(f, backwardMostMove);
12819 fprintf(f, "--------------}\n");
12823 /* [AS] Out of book annotation */
12824 if( appData.saveOutOfBookInfo ) {
12827 GetOutOfBookInfo( buf );
12829 if( buf[0] != '\0' ) {
12830 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12837 i = backwardMostMove;
12841 while (i < forwardMostMove) {
12842 /* Print comments preceding this move */
12843 if (commentList[i] != NULL) {
12844 if (linelen > 0) fprintf(f, "\n");
12845 fprintf(f, "%s", commentList[i]);
12850 /* Format move number */
12852 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12855 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12857 numtext[0] = NULLCHAR;
12859 numlen = strlen(numtext);
12862 /* Print move number */
12863 blank = linelen > 0 && numlen > 0;
12864 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12873 fprintf(f, "%s", numtext);
12877 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12878 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12881 blank = linelen > 0 && movelen > 0;
12882 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12891 fprintf(f, "%s", move_buffer);
12892 linelen += movelen;
12894 /* [AS] Add PV info if present */
12895 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12896 /* [HGM] add time */
12897 char buf[MSG_SIZ]; int seconds;
12899 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12905 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12908 seconds = (seconds + 4)/10; // round to full seconds
12910 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12912 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12915 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12916 pvInfoList[i].score >= 0 ? "+" : "",
12917 pvInfoList[i].score / 100.0,
12918 pvInfoList[i].depth,
12921 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12923 /* Print score/depth */
12924 blank = linelen > 0 && movelen > 0;
12925 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12934 fprintf(f, "%s", move_buffer);
12935 linelen += movelen;
12941 /* Start a new line */
12942 if (linelen > 0) fprintf(f, "\n");
12944 /* Print comments after last move */
12945 if (commentList[i] != NULL) {
12946 fprintf(f, "%s\n", commentList[i]);
12950 if (gameInfo.resultDetails != NULL &&
12951 gameInfo.resultDetails[0] != NULLCHAR) {
12952 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12953 PGNResult(gameInfo.result));
12955 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12959 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12963 /* Save game in old style and close the file */
12965 SaveGameOldStyle (FILE *f)
12970 tm = time((time_t *) NULL);
12972 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12975 if (backwardMostMove > 0 || startedFromSetupPosition) {
12976 fprintf(f, "\n[--------------\n");
12977 PrintPosition(f, backwardMostMove);
12978 fprintf(f, "--------------]\n");
12983 i = backwardMostMove;
12984 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12986 while (i < forwardMostMove) {
12987 if (commentList[i] != NULL) {
12988 fprintf(f, "[%s]\n", commentList[i]);
12991 if ((i % 2) == 1) {
12992 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12995 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12997 if (commentList[i] != NULL) {
13001 if (i >= forwardMostMove) {
13005 fprintf(f, "%s\n", parseList[i]);
13010 if (commentList[i] != NULL) {
13011 fprintf(f, "[%s]\n", commentList[i]);
13014 /* This isn't really the old style, but it's close enough */
13015 if (gameInfo.resultDetails != NULL &&
13016 gameInfo.resultDetails[0] != NULLCHAR) {
13017 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13018 gameInfo.resultDetails);
13020 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13027 /* Save the current game to open file f and close the file */
13029 SaveGame (FILE *f, int dummy, char *dummy2)
13031 if (gameMode == EditPosition) EditPositionDone(TRUE);
13032 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13033 if (appData.oldSaveStyle)
13034 return SaveGameOldStyle(f);
13036 return SaveGamePGN(f);
13039 /* Save the current position to the given file */
13041 SavePositionToFile (char *filename)
13046 if (strcmp(filename, "-") == 0) {
13047 return SavePosition(stdout, 0, NULL);
13049 f = fopen(filename, "a");
13051 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13052 DisplayError(buf, errno);
13055 safeStrCpy(buf, lastMsg, MSG_SIZ);
13056 DisplayMessage(_("Waiting for access to save file"), "");
13057 flock(fileno(f), LOCK_EX); // [HGM] lock
13058 DisplayMessage(_("Saving position"), "");
13059 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13060 SavePosition(f, 0, NULL);
13061 DisplayMessage(buf, "");
13067 /* Save the current position to the given open file and close the file */
13069 SavePosition (FILE *f, int dummy, char *dummy2)
13074 if (gameMode == EditPosition) EditPositionDone(TRUE);
13075 if (appData.oldSaveStyle) {
13076 tm = time((time_t *) NULL);
13078 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13080 fprintf(f, "[--------------\n");
13081 PrintPosition(f, currentMove);
13082 fprintf(f, "--------------]\n");
13084 fen = PositionToFEN(currentMove, NULL);
13085 fprintf(f, "%s\n", fen);
13093 ReloadCmailMsgEvent (int unregister)
13096 static char *inFilename = NULL;
13097 static char *outFilename;
13099 struct stat inbuf, outbuf;
13102 /* Any registered moves are unregistered if unregister is set, */
13103 /* i.e. invoked by the signal handler */
13105 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13106 cmailMoveRegistered[i] = FALSE;
13107 if (cmailCommentList[i] != NULL) {
13108 free(cmailCommentList[i]);
13109 cmailCommentList[i] = NULL;
13112 nCmailMovesRegistered = 0;
13115 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13116 cmailResult[i] = CMAIL_NOT_RESULT;
13120 if (inFilename == NULL) {
13121 /* Because the filenames are static they only get malloced once */
13122 /* and they never get freed */
13123 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13124 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13126 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13127 sprintf(outFilename, "%s.out", appData.cmailGameName);
13130 status = stat(outFilename, &outbuf);
13132 cmailMailedMove = FALSE;
13134 status = stat(inFilename, &inbuf);
13135 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13138 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13139 counts the games, notes how each one terminated, etc.
13141 It would be nice to remove this kludge and instead gather all
13142 the information while building the game list. (And to keep it
13143 in the game list nodes instead of having a bunch of fixed-size
13144 parallel arrays.) Note this will require getting each game's
13145 termination from the PGN tags, as the game list builder does
13146 not process the game moves. --mann
13148 cmailMsgLoaded = TRUE;
13149 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13151 /* Load first game in the file or popup game menu */
13152 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13154 #endif /* !WIN32 */
13162 char string[MSG_SIZ];
13164 if ( cmailMailedMove
13165 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13166 return TRUE; /* Allow free viewing */
13169 /* Unregister move to ensure that we don't leave RegisterMove */
13170 /* with the move registered when the conditions for registering no */
13172 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13173 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13174 nCmailMovesRegistered --;
13176 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13178 free(cmailCommentList[lastLoadGameNumber - 1]);
13179 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13183 if (cmailOldMove == -1) {
13184 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13188 if (currentMove > cmailOldMove + 1) {
13189 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13193 if (currentMove < cmailOldMove) {
13194 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13198 if (forwardMostMove > currentMove) {
13199 /* Silently truncate extra moves */
13203 if ( (currentMove == cmailOldMove + 1)
13204 || ( (currentMove == cmailOldMove)
13205 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13206 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13207 if (gameInfo.result != GameUnfinished) {
13208 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13211 if (commentList[currentMove] != NULL) {
13212 cmailCommentList[lastLoadGameNumber - 1]
13213 = StrSave(commentList[currentMove]);
13215 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13217 if (appData.debugMode)
13218 fprintf(debugFP, "Saving %s for game %d\n",
13219 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13221 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13223 f = fopen(string, "w");
13224 if (appData.oldSaveStyle) {
13225 SaveGameOldStyle(f); /* also closes the file */
13227 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13228 f = fopen(string, "w");
13229 SavePosition(f, 0, NULL); /* also closes the file */
13231 fprintf(f, "{--------------\n");
13232 PrintPosition(f, currentMove);
13233 fprintf(f, "--------------}\n\n");
13235 SaveGame(f, 0, NULL); /* also closes the file*/
13238 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13239 nCmailMovesRegistered ++;
13240 } else if (nCmailGames == 1) {
13241 DisplayError(_("You have not made a move yet"), 0);
13252 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13253 FILE *commandOutput;
13254 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13255 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13261 if (! cmailMsgLoaded) {
13262 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13266 if (nCmailGames == nCmailResults) {
13267 DisplayError(_("No unfinished games"), 0);
13271 #if CMAIL_PROHIBIT_REMAIL
13272 if (cmailMailedMove) {
13273 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);
13274 DisplayError(msg, 0);
13279 if (! (cmailMailedMove || RegisterMove())) return;
13281 if ( cmailMailedMove
13282 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13283 snprintf(string, MSG_SIZ, partCommandString,
13284 appData.debugMode ? " -v" : "", appData.cmailGameName);
13285 commandOutput = popen(string, "r");
13287 if (commandOutput == NULL) {
13288 DisplayError(_("Failed to invoke cmail"), 0);
13290 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13291 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13293 if (nBuffers > 1) {
13294 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13295 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13296 nBytes = MSG_SIZ - 1;
13298 (void) memcpy(msg, buffer, nBytes);
13300 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13302 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13303 cmailMailedMove = TRUE; /* Prevent >1 moves */
13306 for (i = 0; i < nCmailGames; i ++) {
13307 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13312 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13314 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13316 appData.cmailGameName,
13318 LoadGameFromFile(buffer, 1, buffer, FALSE);
13319 cmailMsgLoaded = FALSE;
13323 DisplayInformation(msg);
13324 pclose(commandOutput);
13327 if ((*cmailMsg) != '\0') {
13328 DisplayInformation(cmailMsg);
13333 #endif /* !WIN32 */
13342 int prependComma = 0;
13344 char string[MSG_SIZ]; /* Space for game-list */
13347 if (!cmailMsgLoaded) return "";
13349 if (cmailMailedMove) {
13350 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13352 /* Create a list of games left */
13353 snprintf(string, MSG_SIZ, "[");
13354 for (i = 0; i < nCmailGames; i ++) {
13355 if (! ( cmailMoveRegistered[i]
13356 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13357 if (prependComma) {
13358 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13360 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13364 strcat(string, number);
13367 strcat(string, "]");
13369 if (nCmailMovesRegistered + nCmailResults == 0) {
13370 switch (nCmailGames) {
13372 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13376 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13380 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13385 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13387 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13392 if (nCmailResults == nCmailGames) {
13393 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13395 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13400 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13412 if (gameMode == Training)
13413 SetTrainingModeOff();
13416 cmailMsgLoaded = FALSE;
13417 if (appData.icsActive) {
13418 SendToICS(ics_prefix);
13419 SendToICS("refresh\n");
13424 ExitEvent (int status)
13428 /* Give up on clean exit */
13432 /* Keep trying for clean exit */
13436 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13438 if (telnetISR != NULL) {
13439 RemoveInputSource(telnetISR);
13441 if (icsPR != NoProc) {
13442 DestroyChildProcess(icsPR, TRUE);
13445 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13446 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13448 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13449 /* make sure this other one finishes before killing it! */
13450 if(endingGame) { int count = 0;
13451 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13452 while(endingGame && count++ < 10) DoSleep(1);
13453 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13456 /* Kill off chess programs */
13457 if (first.pr != NoProc) {
13460 DoSleep( appData.delayBeforeQuit );
13461 SendToProgram("quit\n", &first);
13462 DoSleep( appData.delayAfterQuit );
13463 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13465 if (second.pr != NoProc) {
13466 DoSleep( appData.delayBeforeQuit );
13467 SendToProgram("quit\n", &second);
13468 DoSleep( appData.delayAfterQuit );
13469 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13471 if (first.isr != NULL) {
13472 RemoveInputSource(first.isr);
13474 if (second.isr != NULL) {
13475 RemoveInputSource(second.isr);
13478 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13479 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13481 ShutDownFrontEnd();
13486 PauseEngine (ChessProgramState *cps)
13488 SendToProgram("pause\n", cps);
13493 UnPauseEngine (ChessProgramState *cps)
13495 SendToProgram("resume\n", cps);
13502 if (appData.debugMode)
13503 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13507 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13509 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13510 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13511 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13513 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13514 HandleMachineMove(stashedInputMove, stalledEngine);
13515 stalledEngine = NULL;
13518 if (gameMode == MachinePlaysWhite ||
13519 gameMode == TwoMachinesPlay ||
13520 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13521 if(first.pause) UnPauseEngine(&first);
13522 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13523 if(second.pause) UnPauseEngine(&second);
13524 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13527 DisplayBothClocks();
13529 if (gameMode == PlayFromGameFile) {
13530 if (appData.timeDelay >= 0)
13531 AutoPlayGameLoop();
13532 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13533 Reset(FALSE, TRUE);
13534 SendToICS(ics_prefix);
13535 SendToICS("refresh\n");
13536 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13537 ForwardInner(forwardMostMove);
13539 pauseExamInvalid = FALSE;
13541 switch (gameMode) {
13545 pauseExamForwardMostMove = forwardMostMove;
13546 pauseExamInvalid = FALSE;
13549 case IcsPlayingWhite:
13550 case IcsPlayingBlack:
13554 case PlayFromGameFile:
13555 (void) StopLoadGameTimer();
13559 case BeginningOfGame:
13560 if (appData.icsActive) return;
13561 /* else fall through */
13562 case MachinePlaysWhite:
13563 case MachinePlaysBlack:
13564 case TwoMachinesPlay:
13565 if (forwardMostMove == 0)
13566 return; /* don't pause if no one has moved */
13567 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13568 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13569 if(onMove->pause) { // thinking engine can be paused
13570 PauseEngine(onMove); // do it
13571 if(onMove->other->pause) // pondering opponent can always be paused immediately
13572 PauseEngine(onMove->other);
13574 SendToProgram("easy\n", onMove->other);
13576 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13577 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13579 PauseEngine(&first);
13581 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13582 } else { // human on move, pause pondering by either method
13584 PauseEngine(&first);
13585 else if(appData.ponderNextMove)
13586 SendToProgram("easy\n", &first);
13589 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13599 EditCommentEvent ()
13601 char title[MSG_SIZ];
13603 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13604 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13606 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13607 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13608 parseList[currentMove - 1]);
13611 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13618 char *tags = PGNTags(&gameInfo);
13620 EditTagsPopUp(tags, NULL);
13627 if(second.analyzing) {
13628 SendToProgram("exit\n", &second);
13629 second.analyzing = FALSE;
13631 if (second.pr == NoProc) StartChessProgram(&second);
13632 InitChessProgram(&second, FALSE);
13633 FeedMovesToProgram(&second, currentMove);
13635 SendToProgram("analyze\n", &second);
13636 second.analyzing = TRUE;
13640 /* Toggle ShowThinking */
13642 ToggleShowThinking()
13644 appData.showThinking = !appData.showThinking;
13645 ShowThinkingEvent();
13649 AnalyzeModeEvent ()
13653 if (!first.analysisSupport) {
13654 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13655 DisplayError(buf, 0);
13658 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13659 if (appData.icsActive) {
13660 if (gameMode != IcsObserving) {
13661 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13662 DisplayError(buf, 0);
13664 if (appData.icsEngineAnalyze) {
13665 if (appData.debugMode)
13666 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13672 /* if enable, user wants to disable icsEngineAnalyze */
13673 if (appData.icsEngineAnalyze) {
13678 appData.icsEngineAnalyze = TRUE;
13679 if (appData.debugMode)
13680 fprintf(debugFP, "ICS engine analyze starting... \n");
13683 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13684 if (appData.noChessProgram || gameMode == AnalyzeMode)
13687 if (gameMode != AnalyzeFile) {
13688 if (!appData.icsEngineAnalyze) {
13690 if (gameMode != EditGame) return 0;
13692 if (!appData.showThinking) ToggleShowThinking();
13693 ResurrectChessProgram();
13694 SendToProgram("analyze\n", &first);
13695 first.analyzing = TRUE;
13696 /*first.maybeThinking = TRUE;*/
13697 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13698 EngineOutputPopUp();
13700 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13705 StartAnalysisClock();
13706 GetTimeMark(&lastNodeCountTime);
13712 AnalyzeFileEvent ()
13714 if (appData.noChessProgram || gameMode == AnalyzeFile)
13717 if (!first.analysisSupport) {
13719 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13720 DisplayError(buf, 0);
13724 if (gameMode != AnalyzeMode) {
13725 keepInfo = 1; // mere annotating should not alter PGN tags
13728 if (gameMode != EditGame) return;
13729 if (!appData.showThinking) ToggleShowThinking();
13730 ResurrectChessProgram();
13731 SendToProgram("analyze\n", &first);
13732 first.analyzing = TRUE;
13733 /*first.maybeThinking = TRUE;*/
13734 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13735 EngineOutputPopUp();
13737 gameMode = AnalyzeFile;
13741 StartAnalysisClock();
13742 GetTimeMark(&lastNodeCountTime);
13744 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13745 AnalysisPeriodicEvent(1);
13749 MachineWhiteEvent ()
13752 char *bookHit = NULL;
13754 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13758 if (gameMode == PlayFromGameFile ||
13759 gameMode == TwoMachinesPlay ||
13760 gameMode == Training ||
13761 gameMode == AnalyzeMode ||
13762 gameMode == EndOfGame)
13765 if (gameMode == EditPosition)
13766 EditPositionDone(TRUE);
13768 if (!WhiteOnMove(currentMove)) {
13769 DisplayError(_("It is not White's turn"), 0);
13773 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13776 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13777 gameMode == AnalyzeFile)
13780 ResurrectChessProgram(); /* in case it isn't running */
13781 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13782 gameMode = MachinePlaysWhite;
13785 gameMode = MachinePlaysWhite;
13789 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13791 if (first.sendName) {
13792 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13793 SendToProgram(buf, &first);
13795 if (first.sendTime) {
13796 if (first.useColors) {
13797 SendToProgram("black\n", &first); /*gnu kludge*/
13799 SendTimeRemaining(&first, TRUE);
13801 if (first.useColors) {
13802 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13804 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13805 SetMachineThinkingEnables();
13806 first.maybeThinking = TRUE;
13810 if (appData.autoFlipView && !flipView) {
13811 flipView = !flipView;
13812 DrawPosition(FALSE, NULL);
13813 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13816 if(bookHit) { // [HGM] book: simulate book reply
13817 static char bookMove[MSG_SIZ]; // a bit generous?
13819 programStats.nodes = programStats.depth = programStats.time =
13820 programStats.score = programStats.got_only_move = 0;
13821 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13823 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13824 strcat(bookMove, bookHit);
13825 HandleMachineMove(bookMove, &first);
13830 MachineBlackEvent ()
13833 char *bookHit = NULL;
13835 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13839 if (gameMode == PlayFromGameFile ||
13840 gameMode == TwoMachinesPlay ||
13841 gameMode == Training ||
13842 gameMode == AnalyzeMode ||
13843 gameMode == EndOfGame)
13846 if (gameMode == EditPosition)
13847 EditPositionDone(TRUE);
13849 if (WhiteOnMove(currentMove)) {
13850 DisplayError(_("It is not Black's turn"), 0);
13854 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13857 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13858 gameMode == AnalyzeFile)
13861 ResurrectChessProgram(); /* in case it isn't running */
13862 gameMode = MachinePlaysBlack;
13866 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13868 if (first.sendName) {
13869 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13870 SendToProgram(buf, &first);
13872 if (first.sendTime) {
13873 if (first.useColors) {
13874 SendToProgram("white\n", &first); /*gnu kludge*/
13876 SendTimeRemaining(&first, FALSE);
13878 if (first.useColors) {
13879 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13881 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13882 SetMachineThinkingEnables();
13883 first.maybeThinking = TRUE;
13886 if (appData.autoFlipView && flipView) {
13887 flipView = !flipView;
13888 DrawPosition(FALSE, NULL);
13889 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13891 if(bookHit) { // [HGM] book: simulate book reply
13892 static char bookMove[MSG_SIZ]; // a bit generous?
13894 programStats.nodes = programStats.depth = programStats.time =
13895 programStats.score = programStats.got_only_move = 0;
13896 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13898 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13899 strcat(bookMove, bookHit);
13900 HandleMachineMove(bookMove, &first);
13906 DisplayTwoMachinesTitle ()
13909 if (appData.matchGames > 0) {
13910 if(appData.tourneyFile[0]) {
13911 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13912 gameInfo.white, _("vs."), gameInfo.black,
13913 nextGame+1, appData.matchGames+1,
13914 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13916 if (first.twoMachinesColor[0] == 'w') {
13917 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13918 gameInfo.white, _("vs."), gameInfo.black,
13919 first.matchWins, second.matchWins,
13920 matchGame - 1 - (first.matchWins + second.matchWins));
13922 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13923 gameInfo.white, _("vs."), gameInfo.black,
13924 second.matchWins, first.matchWins,
13925 matchGame - 1 - (first.matchWins + second.matchWins));
13928 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13934 SettingsMenuIfReady ()
13936 if (second.lastPing != second.lastPong) {
13937 DisplayMessage("", _("Waiting for second chess program"));
13938 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13942 DisplayMessage("", "");
13943 SettingsPopUp(&second);
13947 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13950 if (cps->pr == NoProc) {
13951 StartChessProgram(cps);
13952 if (cps->protocolVersion == 1) {
13954 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
13956 /* kludge: allow timeout for initial "feature" command */
13957 if(retry != TwoMachinesEventIfReady) FreezeUI();
13958 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13959 DisplayMessage("", buf);
13960 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13968 TwoMachinesEvent P((void))
13972 ChessProgramState *onmove;
13973 char *bookHit = NULL;
13974 static int stalling = 0;
13978 if (appData.noChessProgram) return;
13980 switch (gameMode) {
13981 case TwoMachinesPlay:
13983 case MachinePlaysWhite:
13984 case MachinePlaysBlack:
13985 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13986 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13990 case BeginningOfGame:
13991 case PlayFromGameFile:
13994 if (gameMode != EditGame) return;
13997 EditPositionDone(TRUE);
14008 // forwardMostMove = currentMove;
14009 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14010 startingEngine = TRUE;
14012 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14014 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14015 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14016 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14019 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14021 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14022 startingEngine = FALSE;
14023 DisplayError("second engine does not play this", 0);
14028 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14029 SendToProgram("force\n", &second);
14031 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14034 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14035 if(appData.matchPause>10000 || appData.matchPause<10)
14036 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14037 wait = SubtractTimeMarks(&now, &pauseStart);
14038 if(wait < appData.matchPause) {
14039 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14042 // we are now committed to starting the game
14044 DisplayMessage("", "");
14045 if (startedFromSetupPosition) {
14046 SendBoard(&second, backwardMostMove);
14047 if (appData.debugMode) {
14048 fprintf(debugFP, "Two Machines\n");
14051 for (i = backwardMostMove; i < forwardMostMove; i++) {
14052 SendMoveToProgram(i, &second);
14055 gameMode = TwoMachinesPlay;
14056 pausing = startingEngine = FALSE;
14057 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14059 DisplayTwoMachinesTitle();
14061 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14066 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14067 SendToProgram(first.computerString, &first);
14068 if (first.sendName) {
14069 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14070 SendToProgram(buf, &first);
14072 SendToProgram(second.computerString, &second);
14073 if (second.sendName) {
14074 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14075 SendToProgram(buf, &second);
14079 if (!first.sendTime || !second.sendTime) {
14080 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14081 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14083 if (onmove->sendTime) {
14084 if (onmove->useColors) {
14085 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14087 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14089 if (onmove->useColors) {
14090 SendToProgram(onmove->twoMachinesColor, onmove);
14092 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14093 // SendToProgram("go\n", onmove);
14094 onmove->maybeThinking = TRUE;
14095 SetMachineThinkingEnables();
14099 if(bookHit) { // [HGM] book: simulate book reply
14100 static char bookMove[MSG_SIZ]; // a bit generous?
14102 programStats.nodes = programStats.depth = programStats.time =
14103 programStats.score = programStats.got_only_move = 0;
14104 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14106 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14107 strcat(bookMove, bookHit);
14108 savedMessage = bookMove; // args for deferred call
14109 savedState = onmove;
14110 ScheduleDelayedEvent(DeferredBookMove, 1);
14117 if (gameMode == Training) {
14118 SetTrainingModeOff();
14119 gameMode = PlayFromGameFile;
14120 DisplayMessage("", _("Training mode off"));
14122 gameMode = Training;
14123 animateTraining = appData.animate;
14125 /* make sure we are not already at the end of the game */
14126 if (currentMove < forwardMostMove) {
14127 SetTrainingModeOn();
14128 DisplayMessage("", _("Training mode on"));
14130 gameMode = PlayFromGameFile;
14131 DisplayError(_("Already at end of game"), 0);
14140 if (!appData.icsActive) return;
14141 switch (gameMode) {
14142 case IcsPlayingWhite:
14143 case IcsPlayingBlack:
14146 case BeginningOfGame:
14154 EditPositionDone(TRUE);
14167 gameMode = IcsIdle;
14177 switch (gameMode) {
14179 SetTrainingModeOff();
14181 case MachinePlaysWhite:
14182 case MachinePlaysBlack:
14183 case BeginningOfGame:
14184 SendToProgram("force\n", &first);
14185 SetUserThinkingEnables();
14187 case PlayFromGameFile:
14188 (void) StopLoadGameTimer();
14189 if (gameFileFP != NULL) {
14194 EditPositionDone(TRUE);
14199 SendToProgram("force\n", &first);
14201 case TwoMachinesPlay:
14202 GameEnds(EndOfFile, NULL, GE_PLAYER);
14203 ResurrectChessProgram();
14204 SetUserThinkingEnables();
14207 ResurrectChessProgram();
14209 case IcsPlayingBlack:
14210 case IcsPlayingWhite:
14211 DisplayError(_("Warning: You are still playing a game"), 0);
14214 DisplayError(_("Warning: You are still observing a game"), 0);
14217 DisplayError(_("Warning: You are still examining a game"), 0);
14228 first.offeredDraw = second.offeredDraw = 0;
14230 if (gameMode == PlayFromGameFile) {
14231 whiteTimeRemaining = timeRemaining[0][currentMove];
14232 blackTimeRemaining = timeRemaining[1][currentMove];
14236 if (gameMode == MachinePlaysWhite ||
14237 gameMode == MachinePlaysBlack ||
14238 gameMode == TwoMachinesPlay ||
14239 gameMode == EndOfGame) {
14240 i = forwardMostMove;
14241 while (i > currentMove) {
14242 SendToProgram("undo\n", &first);
14245 if(!adjustedClock) {
14246 whiteTimeRemaining = timeRemaining[0][currentMove];
14247 blackTimeRemaining = timeRemaining[1][currentMove];
14248 DisplayBothClocks();
14250 if (whiteFlag || blackFlag) {
14251 whiteFlag = blackFlag = 0;
14256 gameMode = EditGame;
14263 EditPositionEvent ()
14265 if (gameMode == EditPosition) {
14271 if (gameMode != EditGame) return;
14273 gameMode = EditPosition;
14276 if (currentMove > 0)
14277 CopyBoard(boards[0], boards[currentMove]);
14279 blackPlaysFirst = !WhiteOnMove(currentMove);
14281 currentMove = forwardMostMove = backwardMostMove = 0;
14282 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14284 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14290 /* [DM] icsEngineAnalyze - possible call from other functions */
14291 if (appData.icsEngineAnalyze) {
14292 appData.icsEngineAnalyze = FALSE;
14294 DisplayMessage("",_("Close ICS engine analyze..."));
14296 if (first.analysisSupport && first.analyzing) {
14297 SendToBoth("exit\n");
14298 first.analyzing = second.analyzing = FALSE;
14300 thinkOutput[0] = NULLCHAR;
14304 EditPositionDone (Boolean fakeRights)
14306 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14308 startedFromSetupPosition = TRUE;
14309 InitChessProgram(&first, FALSE);
14310 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14311 boards[0][EP_STATUS] = EP_NONE;
14312 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14313 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14314 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14315 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14316 } else boards[0][CASTLING][2] = NoRights;
14317 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14318 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14319 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14320 } else boards[0][CASTLING][5] = NoRights;
14321 if(gameInfo.variant == VariantSChess) {
14323 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14324 boards[0][VIRGIN][i] = 0;
14325 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14326 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14330 SendToProgram("force\n", &first);
14331 if (blackPlaysFirst) {
14332 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14333 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14334 currentMove = forwardMostMove = backwardMostMove = 1;
14335 CopyBoard(boards[1], boards[0]);
14337 currentMove = forwardMostMove = backwardMostMove = 0;
14339 SendBoard(&first, forwardMostMove);
14340 if (appData.debugMode) {
14341 fprintf(debugFP, "EditPosDone\n");
14344 DisplayMessage("", "");
14345 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14346 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14347 gameMode = EditGame;
14349 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14350 ClearHighlights(); /* [AS] */
14353 /* Pause for `ms' milliseconds */
14354 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14356 TimeDelay (long ms)
14363 } while (SubtractTimeMarks(&m2, &m1) < ms);
14366 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14368 SendMultiLineToICS (char *buf)
14370 char temp[MSG_SIZ+1], *p;
14377 strncpy(temp, buf, len);
14382 if (*p == '\n' || *p == '\r')
14387 strcat(temp, "\n");
14389 SendToPlayer(temp, strlen(temp));
14393 SetWhiteToPlayEvent ()
14395 if (gameMode == EditPosition) {
14396 blackPlaysFirst = FALSE;
14397 DisplayBothClocks(); /* works because currentMove is 0 */
14398 } else if (gameMode == IcsExamining) {
14399 SendToICS(ics_prefix);
14400 SendToICS("tomove white\n");
14405 SetBlackToPlayEvent ()
14407 if (gameMode == EditPosition) {
14408 blackPlaysFirst = TRUE;
14409 currentMove = 1; /* kludge */
14410 DisplayBothClocks();
14412 } else if (gameMode == IcsExamining) {
14413 SendToICS(ics_prefix);
14414 SendToICS("tomove black\n");
14419 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14422 ChessSquare piece = boards[0][y][x];
14424 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14426 switch (selection) {
14428 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14429 SendToICS(ics_prefix);
14430 SendToICS("bsetup clear\n");
14431 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14432 SendToICS(ics_prefix);
14433 SendToICS("clearboard\n");
14435 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14436 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14437 for (y = 0; y < BOARD_HEIGHT; y++) {
14438 if (gameMode == IcsExamining) {
14439 if (boards[currentMove][y][x] != EmptySquare) {
14440 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14445 boards[0][y][x] = p;
14450 if (gameMode == EditPosition) {
14451 DrawPosition(FALSE, boards[0]);
14456 SetWhiteToPlayEvent();
14460 SetBlackToPlayEvent();
14464 if (gameMode == IcsExamining) {
14465 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14466 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14469 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14470 if(x == BOARD_LEFT-2) {
14471 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14472 boards[0][y][1] = 0;
14474 if(x == BOARD_RGHT+1) {
14475 if(y >= gameInfo.holdingsSize) break;
14476 boards[0][y][BOARD_WIDTH-2] = 0;
14479 boards[0][y][x] = EmptySquare;
14480 DrawPosition(FALSE, boards[0]);
14485 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14486 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14487 selection = (ChessSquare) (PROMOTED piece);
14488 } else if(piece == EmptySquare) selection = WhiteSilver;
14489 else selection = (ChessSquare)((int)piece - 1);
14493 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14494 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14495 selection = (ChessSquare) (DEMOTED piece);
14496 } else if(piece == EmptySquare) selection = BlackSilver;
14497 else selection = (ChessSquare)((int)piece + 1);
14502 if(gameInfo.variant == VariantShatranj ||
14503 gameInfo.variant == VariantXiangqi ||
14504 gameInfo.variant == VariantCourier ||
14505 gameInfo.variant == VariantMakruk )
14506 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14511 if(gameInfo.variant == VariantXiangqi)
14512 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14513 if(gameInfo.variant == VariantKnightmate)
14514 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14517 if (gameMode == IcsExamining) {
14518 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14519 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14520 PieceToChar(selection), AAA + x, ONE + y);
14523 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14525 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14526 n = PieceToNumber(selection - BlackPawn);
14527 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14528 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14529 boards[0][BOARD_HEIGHT-1-n][1]++;
14531 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14532 n = PieceToNumber(selection);
14533 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14534 boards[0][n][BOARD_WIDTH-1] = selection;
14535 boards[0][n][BOARD_WIDTH-2]++;
14538 boards[0][y][x] = selection;
14539 DrawPosition(TRUE, boards[0]);
14541 fromX = fromY = -1;
14549 DropMenuEvent (ChessSquare selection, int x, int y)
14551 ChessMove moveType;
14553 switch (gameMode) {
14554 case IcsPlayingWhite:
14555 case MachinePlaysBlack:
14556 if (!WhiteOnMove(currentMove)) {
14557 DisplayMoveError(_("It is Black's turn"));
14560 moveType = WhiteDrop;
14562 case IcsPlayingBlack:
14563 case MachinePlaysWhite:
14564 if (WhiteOnMove(currentMove)) {
14565 DisplayMoveError(_("It is White's turn"));
14568 moveType = BlackDrop;
14571 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14577 if (moveType == BlackDrop && selection < BlackPawn) {
14578 selection = (ChessSquare) ((int) selection
14579 + (int) BlackPawn - (int) WhitePawn);
14581 if (boards[currentMove][y][x] != EmptySquare) {
14582 DisplayMoveError(_("That square is occupied"));
14586 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14592 /* Accept a pending offer of any kind from opponent */
14594 if (appData.icsActive) {
14595 SendToICS(ics_prefix);
14596 SendToICS("accept\n");
14597 } else if (cmailMsgLoaded) {
14598 if (currentMove == cmailOldMove &&
14599 commentList[cmailOldMove] != NULL &&
14600 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14601 "Black offers a draw" : "White offers a draw")) {
14603 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14604 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14606 DisplayError(_("There is no pending offer on this move"), 0);
14607 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14610 /* Not used for offers from chess program */
14617 /* Decline a pending offer of any kind from opponent */
14619 if (appData.icsActive) {
14620 SendToICS(ics_prefix);
14621 SendToICS("decline\n");
14622 } else if (cmailMsgLoaded) {
14623 if (currentMove == cmailOldMove &&
14624 commentList[cmailOldMove] != NULL &&
14625 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14626 "Black offers a draw" : "White offers a draw")) {
14628 AppendComment(cmailOldMove, "Draw declined", TRUE);
14629 DisplayComment(cmailOldMove - 1, "Draw declined");
14632 DisplayError(_("There is no pending offer on this move"), 0);
14635 /* Not used for offers from chess program */
14642 /* Issue ICS rematch command */
14643 if (appData.icsActive) {
14644 SendToICS(ics_prefix);
14645 SendToICS("rematch\n");
14652 /* Call your opponent's flag (claim a win on time) */
14653 if (appData.icsActive) {
14654 SendToICS(ics_prefix);
14655 SendToICS("flag\n");
14657 switch (gameMode) {
14660 case MachinePlaysWhite:
14663 GameEnds(GameIsDrawn, "Both players ran out of time",
14666 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14668 DisplayError(_("Your opponent is not out of time"), 0);
14671 case MachinePlaysBlack:
14674 GameEnds(GameIsDrawn, "Both players ran out of time",
14677 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14679 DisplayError(_("Your opponent is not out of time"), 0);
14687 ClockClick (int which)
14688 { // [HGM] code moved to back-end from winboard.c
14689 if(which) { // black clock
14690 if (gameMode == EditPosition || gameMode == IcsExamining) {
14691 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14692 SetBlackToPlayEvent();
14693 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14694 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14695 } else if (shiftKey) {
14696 AdjustClock(which, -1);
14697 } else if (gameMode == IcsPlayingWhite ||
14698 gameMode == MachinePlaysBlack) {
14701 } else { // white clock
14702 if (gameMode == EditPosition || gameMode == IcsExamining) {
14703 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14704 SetWhiteToPlayEvent();
14705 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14706 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14707 } else if (shiftKey) {
14708 AdjustClock(which, -1);
14709 } else if (gameMode == IcsPlayingBlack ||
14710 gameMode == MachinePlaysWhite) {
14719 /* Offer draw or accept pending draw offer from opponent */
14721 if (appData.icsActive) {
14722 /* Note: tournament rules require draw offers to be
14723 made after you make your move but before you punch
14724 your clock. Currently ICS doesn't let you do that;
14725 instead, you immediately punch your clock after making
14726 a move, but you can offer a draw at any time. */
14728 SendToICS(ics_prefix);
14729 SendToICS("draw\n");
14730 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14731 } else if (cmailMsgLoaded) {
14732 if (currentMove == cmailOldMove &&
14733 commentList[cmailOldMove] != NULL &&
14734 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14735 "Black offers a draw" : "White offers a draw")) {
14736 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14737 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14738 } else if (currentMove == cmailOldMove + 1) {
14739 char *offer = WhiteOnMove(cmailOldMove) ?
14740 "White offers a draw" : "Black offers a draw";
14741 AppendComment(currentMove, offer, TRUE);
14742 DisplayComment(currentMove - 1, offer);
14743 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14745 DisplayError(_("You must make your move before offering a draw"), 0);
14746 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14748 } else if (first.offeredDraw) {
14749 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14751 if (first.sendDrawOffers) {
14752 SendToProgram("draw\n", &first);
14753 userOfferedDraw = TRUE;
14761 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14763 if (appData.icsActive) {
14764 SendToICS(ics_prefix);
14765 SendToICS("adjourn\n");
14767 /* Currently GNU Chess doesn't offer or accept Adjourns */
14775 /* Offer Abort or accept pending Abort offer from opponent */
14777 if (appData.icsActive) {
14778 SendToICS(ics_prefix);
14779 SendToICS("abort\n");
14781 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14788 /* Resign. You can do this even if it's not your turn. */
14790 if (appData.icsActive) {
14791 SendToICS(ics_prefix);
14792 SendToICS("resign\n");
14794 switch (gameMode) {
14795 case MachinePlaysWhite:
14796 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14798 case MachinePlaysBlack:
14799 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14802 if (cmailMsgLoaded) {
14804 if (WhiteOnMove(cmailOldMove)) {
14805 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14807 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14809 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14820 StopObservingEvent ()
14822 /* Stop observing current games */
14823 SendToICS(ics_prefix);
14824 SendToICS("unobserve\n");
14828 StopExaminingEvent ()
14830 /* Stop observing current game */
14831 SendToICS(ics_prefix);
14832 SendToICS("unexamine\n");
14836 ForwardInner (int target)
14838 int limit; int oldSeekGraphUp = seekGraphUp;
14840 if (appData.debugMode)
14841 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14842 target, currentMove, forwardMostMove);
14844 if (gameMode == EditPosition)
14847 seekGraphUp = FALSE;
14848 MarkTargetSquares(1);
14850 if (gameMode == PlayFromGameFile && !pausing)
14853 if (gameMode == IcsExamining && pausing)
14854 limit = pauseExamForwardMostMove;
14856 limit = forwardMostMove;
14858 if (target > limit) target = limit;
14860 if (target > 0 && moveList[target - 1][0]) {
14861 int fromX, fromY, toX, toY;
14862 toX = moveList[target - 1][2] - AAA;
14863 toY = moveList[target - 1][3] - ONE;
14864 if (moveList[target - 1][1] == '@') {
14865 if (appData.highlightLastMove) {
14866 SetHighlights(-1, -1, toX, toY);
14869 fromX = moveList[target - 1][0] - AAA;
14870 fromY = moveList[target - 1][1] - ONE;
14871 if (target == currentMove + 1) {
14872 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14874 if (appData.highlightLastMove) {
14875 SetHighlights(fromX, fromY, toX, toY);
14879 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14880 gameMode == Training || gameMode == PlayFromGameFile ||
14881 gameMode == AnalyzeFile) {
14882 while (currentMove < target) {
14883 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14884 SendMoveToProgram(currentMove++, &first);
14887 currentMove = target;
14890 if (gameMode == EditGame || gameMode == EndOfGame) {
14891 whiteTimeRemaining = timeRemaining[0][currentMove];
14892 blackTimeRemaining = timeRemaining[1][currentMove];
14894 DisplayBothClocks();
14895 DisplayMove(currentMove - 1);
14896 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14897 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14898 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14899 DisplayComment(currentMove - 1, commentList[currentMove]);
14901 ClearMap(); // [HGM] exclude: invalidate map
14908 if (gameMode == IcsExamining && !pausing) {
14909 SendToICS(ics_prefix);
14910 SendToICS("forward\n");
14912 ForwardInner(currentMove + 1);
14919 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14920 /* to optimze, we temporarily turn off analysis mode while we feed
14921 * the remaining moves to the engine. Otherwise we get analysis output
14924 if (first.analysisSupport) {
14925 SendToProgram("exit\nforce\n", &first);
14926 first.analyzing = FALSE;
14930 if (gameMode == IcsExamining && !pausing) {
14931 SendToICS(ics_prefix);
14932 SendToICS("forward 999999\n");
14934 ForwardInner(forwardMostMove);
14937 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14938 /* we have fed all the moves, so reactivate analysis mode */
14939 SendToProgram("analyze\n", &first);
14940 first.analyzing = TRUE;
14941 /*first.maybeThinking = TRUE;*/
14942 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14947 BackwardInner (int target)
14949 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14951 if (appData.debugMode)
14952 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14953 target, currentMove, forwardMostMove);
14955 if (gameMode == EditPosition) return;
14956 seekGraphUp = FALSE;
14957 MarkTargetSquares(1);
14958 if (currentMove <= backwardMostMove) {
14960 DrawPosition(full_redraw, boards[currentMove]);
14963 if (gameMode == PlayFromGameFile && !pausing)
14966 if (moveList[target][0]) {
14967 int fromX, fromY, toX, toY;
14968 toX = moveList[target][2] - AAA;
14969 toY = moveList[target][3] - ONE;
14970 if (moveList[target][1] == '@') {
14971 if (appData.highlightLastMove) {
14972 SetHighlights(-1, -1, toX, toY);
14975 fromX = moveList[target][0] - AAA;
14976 fromY = moveList[target][1] - ONE;
14977 if (target == currentMove - 1) {
14978 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14980 if (appData.highlightLastMove) {
14981 SetHighlights(fromX, fromY, toX, toY);
14985 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14986 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14987 while (currentMove > target) {
14988 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14989 // null move cannot be undone. Reload program with move history before it.
14991 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14992 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14994 SendBoard(&first, i);
14995 if(second.analyzing) SendBoard(&second, i);
14996 for(currentMove=i; currentMove<target; currentMove++) {
14997 SendMoveToProgram(currentMove, &first);
14998 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15002 SendToBoth("undo\n");
15006 currentMove = target;
15009 if (gameMode == EditGame || gameMode == EndOfGame) {
15010 whiteTimeRemaining = timeRemaining[0][currentMove];
15011 blackTimeRemaining = timeRemaining[1][currentMove];
15013 DisplayBothClocks();
15014 DisplayMove(currentMove - 1);
15015 DrawPosition(full_redraw, boards[currentMove]);
15016 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15017 // [HGM] PV info: routine tests if comment empty
15018 DisplayComment(currentMove - 1, commentList[currentMove]);
15019 ClearMap(); // [HGM] exclude: invalidate map
15025 if (gameMode == IcsExamining && !pausing) {
15026 SendToICS(ics_prefix);
15027 SendToICS("backward\n");
15029 BackwardInner(currentMove - 1);
15036 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15037 /* to optimize, we temporarily turn off analysis mode while we undo
15038 * all the moves. Otherwise we get analysis output after each undo.
15040 if (first.analysisSupport) {
15041 SendToProgram("exit\nforce\n", &first);
15042 first.analyzing = FALSE;
15046 if (gameMode == IcsExamining && !pausing) {
15047 SendToICS(ics_prefix);
15048 SendToICS("backward 999999\n");
15050 BackwardInner(backwardMostMove);
15053 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15054 /* we have fed all the moves, so reactivate analysis mode */
15055 SendToProgram("analyze\n", &first);
15056 first.analyzing = TRUE;
15057 /*first.maybeThinking = TRUE;*/
15058 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15065 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15066 if (to >= forwardMostMove) to = forwardMostMove;
15067 if (to <= backwardMostMove) to = backwardMostMove;
15068 if (to < currentMove) {
15076 RevertEvent (Boolean annotate)
15078 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15081 if (gameMode != IcsExamining) {
15082 DisplayError(_("You are not examining a game"), 0);
15086 DisplayError(_("You can't revert while pausing"), 0);
15089 SendToICS(ics_prefix);
15090 SendToICS("revert\n");
15094 RetractMoveEvent ()
15096 switch (gameMode) {
15097 case MachinePlaysWhite:
15098 case MachinePlaysBlack:
15099 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15100 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15103 if (forwardMostMove < 2) return;
15104 currentMove = forwardMostMove = forwardMostMove - 2;
15105 whiteTimeRemaining = timeRemaining[0][currentMove];
15106 blackTimeRemaining = timeRemaining[1][currentMove];
15107 DisplayBothClocks();
15108 DisplayMove(currentMove - 1);
15109 ClearHighlights();/*!! could figure this out*/
15110 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15111 SendToProgram("remove\n", &first);
15112 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15115 case BeginningOfGame:
15119 case IcsPlayingWhite:
15120 case IcsPlayingBlack:
15121 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15122 SendToICS(ics_prefix);
15123 SendToICS("takeback 2\n");
15125 SendToICS(ics_prefix);
15126 SendToICS("takeback 1\n");
15135 ChessProgramState *cps;
15137 switch (gameMode) {
15138 case MachinePlaysWhite:
15139 if (!WhiteOnMove(forwardMostMove)) {
15140 DisplayError(_("It is your turn"), 0);
15145 case MachinePlaysBlack:
15146 if (WhiteOnMove(forwardMostMove)) {
15147 DisplayError(_("It is your turn"), 0);
15152 case TwoMachinesPlay:
15153 if (WhiteOnMove(forwardMostMove) ==
15154 (first.twoMachinesColor[0] == 'w')) {
15160 case BeginningOfGame:
15164 SendToProgram("?\n", cps);
15168 TruncateGameEvent ()
15171 if (gameMode != EditGame) return;
15178 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15179 if (forwardMostMove > currentMove) {
15180 if (gameInfo.resultDetails != NULL) {
15181 free(gameInfo.resultDetails);
15182 gameInfo.resultDetails = NULL;
15183 gameInfo.result = GameUnfinished;
15185 forwardMostMove = currentMove;
15186 HistorySet(parseList, backwardMostMove, forwardMostMove,
15194 if (appData.noChessProgram) return;
15195 switch (gameMode) {
15196 case MachinePlaysWhite:
15197 if (WhiteOnMove(forwardMostMove)) {
15198 DisplayError(_("Wait until your turn"), 0);
15202 case BeginningOfGame:
15203 case MachinePlaysBlack:
15204 if (!WhiteOnMove(forwardMostMove)) {
15205 DisplayError(_("Wait until your turn"), 0);
15210 DisplayError(_("No hint available"), 0);
15213 SendToProgram("hint\n", &first);
15214 hintRequested = TRUE;
15220 ListGame * lg = (ListGame *) gameList.head;
15223 static int secondTime = FALSE;
15225 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15226 DisplayError(_("Game list not loaded or empty"), 0);
15230 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15233 DisplayNote(_("Book file exists! Try again for overwrite."));
15237 creatingBook = TRUE;
15238 secondTime = FALSE;
15240 /* Get list size */
15241 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15242 LoadGame(f, nItem, "", TRUE);
15243 AddGameToBook(TRUE);
15244 lg = (ListGame *) lg->node.succ;
15247 creatingBook = FALSE;
15254 if (appData.noChessProgram) return;
15255 switch (gameMode) {
15256 case MachinePlaysWhite:
15257 if (WhiteOnMove(forwardMostMove)) {
15258 DisplayError(_("Wait until your turn"), 0);
15262 case BeginningOfGame:
15263 case MachinePlaysBlack:
15264 if (!WhiteOnMove(forwardMostMove)) {
15265 DisplayError(_("Wait until your turn"), 0);
15270 EditPositionDone(TRUE);
15272 case TwoMachinesPlay:
15277 SendToProgram("bk\n", &first);
15278 bookOutput[0] = NULLCHAR;
15279 bookRequested = TRUE;
15285 char *tags = PGNTags(&gameInfo);
15286 TagsPopUp(tags, CmailMsg());
15290 /* end button procedures */
15293 PrintPosition (FILE *fp, int move)
15297 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15298 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15299 char c = PieceToChar(boards[move][i][j]);
15300 fputc(c == 'x' ? '.' : c, fp);
15301 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15304 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15305 fprintf(fp, "white to play\n");
15307 fprintf(fp, "black to play\n");
15311 PrintOpponents (FILE *fp)
15313 if (gameInfo.white != NULL) {
15314 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15320 /* Find last component of program's own name, using some heuristics */
15322 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15325 int local = (strcmp(host, "localhost") == 0);
15326 while (!local && (p = strchr(prog, ';')) != NULL) {
15328 while (*p == ' ') p++;
15331 if (*prog == '"' || *prog == '\'') {
15332 q = strchr(prog + 1, *prog);
15334 q = strchr(prog, ' ');
15336 if (q == NULL) q = prog + strlen(prog);
15338 while (p >= prog && *p != '/' && *p != '\\') p--;
15340 if(p == prog && *p == '"') p++;
15342 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15343 memcpy(buf, p, q - p);
15344 buf[q - p] = NULLCHAR;
15352 TimeControlTagValue ()
15355 if (!appData.clockMode) {
15356 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15357 } else if (movesPerSession > 0) {
15358 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15359 } else if (timeIncrement == 0) {
15360 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15362 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15364 return StrSave(buf);
15370 /* This routine is used only for certain modes */
15371 VariantClass v = gameInfo.variant;
15372 ChessMove r = GameUnfinished;
15375 if(keepInfo) return;
15377 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15378 r = gameInfo.result;
15379 p = gameInfo.resultDetails;
15380 gameInfo.resultDetails = NULL;
15382 ClearGameInfo(&gameInfo);
15383 gameInfo.variant = v;
15385 switch (gameMode) {
15386 case MachinePlaysWhite:
15387 gameInfo.event = StrSave( appData.pgnEventHeader );
15388 gameInfo.site = StrSave(HostName());
15389 gameInfo.date = PGNDate();
15390 gameInfo.round = StrSave("-");
15391 gameInfo.white = StrSave(first.tidy);
15392 gameInfo.black = StrSave(UserName());
15393 gameInfo.timeControl = TimeControlTagValue();
15396 case MachinePlaysBlack:
15397 gameInfo.event = StrSave( appData.pgnEventHeader );
15398 gameInfo.site = StrSave(HostName());
15399 gameInfo.date = PGNDate();
15400 gameInfo.round = StrSave("-");
15401 gameInfo.white = StrSave(UserName());
15402 gameInfo.black = StrSave(first.tidy);
15403 gameInfo.timeControl = TimeControlTagValue();
15406 case TwoMachinesPlay:
15407 gameInfo.event = StrSave( appData.pgnEventHeader );
15408 gameInfo.site = StrSave(HostName());
15409 gameInfo.date = PGNDate();
15412 snprintf(buf, MSG_SIZ, "%d", roundNr);
15413 gameInfo.round = StrSave(buf);
15415 gameInfo.round = StrSave("-");
15417 if (first.twoMachinesColor[0] == 'w') {
15418 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15419 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15421 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15422 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15424 gameInfo.timeControl = TimeControlTagValue();
15428 gameInfo.event = StrSave("Edited game");
15429 gameInfo.site = StrSave(HostName());
15430 gameInfo.date = PGNDate();
15431 gameInfo.round = StrSave("-");
15432 gameInfo.white = StrSave("-");
15433 gameInfo.black = StrSave("-");
15434 gameInfo.result = r;
15435 gameInfo.resultDetails = p;
15439 gameInfo.event = StrSave("Edited position");
15440 gameInfo.site = StrSave(HostName());
15441 gameInfo.date = PGNDate();
15442 gameInfo.round = StrSave("-");
15443 gameInfo.white = StrSave("-");
15444 gameInfo.black = StrSave("-");
15447 case IcsPlayingWhite:
15448 case IcsPlayingBlack:
15453 case PlayFromGameFile:
15454 gameInfo.event = StrSave("Game from non-PGN file");
15455 gameInfo.site = StrSave(HostName());
15456 gameInfo.date = PGNDate();
15457 gameInfo.round = StrSave("-");
15458 gameInfo.white = StrSave("?");
15459 gameInfo.black = StrSave("?");
15468 ReplaceComment (int index, char *text)
15474 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15475 pvInfoList[index-1].depth == len &&
15476 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15477 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15478 while (*text == '\n') text++;
15479 len = strlen(text);
15480 while (len > 0 && text[len - 1] == '\n') len--;
15482 if (commentList[index] != NULL)
15483 free(commentList[index]);
15486 commentList[index] = NULL;
15489 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15490 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15491 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15492 commentList[index] = (char *) malloc(len + 2);
15493 strncpy(commentList[index], text, len);
15494 commentList[index][len] = '\n';
15495 commentList[index][len + 1] = NULLCHAR;
15497 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15499 commentList[index] = (char *) malloc(len + 7);
15500 safeStrCpy(commentList[index], "{\n", 3);
15501 safeStrCpy(commentList[index]+2, text, len+1);
15502 commentList[index][len+2] = NULLCHAR;
15503 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15504 strcat(commentList[index], "\n}\n");
15509 CrushCRs (char *text)
15517 if (ch == '\r') continue;
15519 } while (ch != '\0');
15523 AppendComment (int index, char *text, Boolean addBraces)
15524 /* addBraces tells if we should add {} */
15529 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15530 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15533 while (*text == '\n') text++;
15534 len = strlen(text);
15535 while (len > 0 && text[len - 1] == '\n') len--;
15536 text[len] = NULLCHAR;
15538 if (len == 0) return;
15540 if (commentList[index] != NULL) {
15541 Boolean addClosingBrace = addBraces;
15542 old = commentList[index];
15543 oldlen = strlen(old);
15544 while(commentList[index][oldlen-1] == '\n')
15545 commentList[index][--oldlen] = NULLCHAR;
15546 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15547 safeStrCpy(commentList[index], old, oldlen + len + 6);
15549 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15550 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15551 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15552 while (*text == '\n') { text++; len--; }
15553 commentList[index][--oldlen] = NULLCHAR;
15555 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15556 else strcat(commentList[index], "\n");
15557 strcat(commentList[index], text);
15558 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15559 else strcat(commentList[index], "\n");
15561 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15563 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15564 else commentList[index][0] = NULLCHAR;
15565 strcat(commentList[index], text);
15566 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15567 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15572 FindStr (char * text, char * sub_text)
15574 char * result = strstr( text, sub_text );
15576 if( result != NULL ) {
15577 result += strlen( sub_text );
15583 /* [AS] Try to extract PV info from PGN comment */
15584 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15586 GetInfoFromComment (int index, char * text)
15588 char * sep = text, *p;
15590 if( text != NULL && index > 0 ) {
15593 int time = -1, sec = 0, deci;
15594 char * s_eval = FindStr( text, "[%eval " );
15595 char * s_emt = FindStr( text, "[%emt " );
15597 if( s_eval != NULL || s_emt != NULL ) {
15601 if( s_eval != NULL ) {
15602 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15606 if( delim != ']' ) {
15611 if( s_emt != NULL ) {
15616 /* We expect something like: [+|-]nnn.nn/dd */
15619 if(*text != '{') return text; // [HGM] braces: must be normal comment
15621 sep = strchr( text, '/' );
15622 if( sep == NULL || sep < (text+4) ) {
15627 if(p[1] == '(') { // comment starts with PV
15628 p = strchr(p, ')'); // locate end of PV
15629 if(p == NULL || sep < p+5) return text;
15630 // at this point we have something like "{(.*) +0.23/6 ..."
15631 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15632 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15633 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15635 time = -1; sec = -1; deci = -1;
15636 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15637 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15638 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15639 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15643 if( score_lo < 0 || score_lo >= 100 ) {
15647 if(sec >= 0) time = 600*time + 10*sec; else
15648 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15650 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15652 /* [HGM] PV time: now locate end of PV info */
15653 while( *++sep >= '0' && *sep <= '9'); // strip depth
15655 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15657 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15659 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15660 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15671 pvInfoList[index-1].depth = depth;
15672 pvInfoList[index-1].score = score;
15673 pvInfoList[index-1].time = 10*time; // centi-sec
15674 if(*sep == '}') *sep = 0; else *--sep = '{';
15675 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15681 SendToProgram (char *message, ChessProgramState *cps)
15683 int count, outCount, error;
15686 if (cps->pr == NoProc) return;
15689 if (appData.debugMode) {
15692 fprintf(debugFP, "%ld >%-6s: %s",
15693 SubtractTimeMarks(&now, &programStartTime),
15694 cps->which, message);
15696 fprintf(serverFP, "%ld >%-6s: %s",
15697 SubtractTimeMarks(&now, &programStartTime),
15698 cps->which, message), fflush(serverFP);
15701 count = strlen(message);
15702 outCount = OutputToProcess(cps->pr, message, count, &error);
15703 if (outCount < count && !exiting
15704 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15705 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15706 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15707 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15708 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15709 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15710 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15711 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15713 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15714 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15715 gameInfo.result = res;
15717 gameInfo.resultDetails = StrSave(buf);
15719 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15720 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15725 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15729 ChessProgramState *cps = (ChessProgramState *)closure;
15731 if (isr != cps->isr) return; /* Killed intentionally */
15734 RemoveInputSource(cps->isr);
15735 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15736 _(cps->which), cps->program);
15737 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15738 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15739 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15740 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15741 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15742 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15744 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15745 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15746 gameInfo.result = res;
15748 gameInfo.resultDetails = StrSave(buf);
15750 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15751 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15753 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15754 _(cps->which), cps->program);
15755 RemoveInputSource(cps->isr);
15757 /* [AS] Program is misbehaving badly... kill it */
15758 if( count == -2 ) {
15759 DestroyChildProcess( cps->pr, 9 );
15763 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15768 if ((end_str = strchr(message, '\r')) != NULL)
15769 *end_str = NULLCHAR;
15770 if ((end_str = strchr(message, '\n')) != NULL)
15771 *end_str = NULLCHAR;
15773 if (appData.debugMode) {
15774 TimeMark now; int print = 1;
15775 char *quote = ""; char c; int i;
15777 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15778 char start = message[0];
15779 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15780 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15781 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15782 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15783 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15784 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15785 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15786 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15787 sscanf(message, "hint: %c", &c)!=1 &&
15788 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15789 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15790 print = (appData.engineComments >= 2);
15792 message[0] = start; // restore original message
15796 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15797 SubtractTimeMarks(&now, &programStartTime), cps->which,
15801 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15802 SubtractTimeMarks(&now, &programStartTime), cps->which,
15804 message), fflush(serverFP);
15808 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15809 if (appData.icsEngineAnalyze) {
15810 if (strstr(message, "whisper") != NULL ||
15811 strstr(message, "kibitz") != NULL ||
15812 strstr(message, "tellics") != NULL) return;
15815 HandleMachineMove(message, cps);
15820 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15825 if( timeControl_2 > 0 ) {
15826 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15827 tc = timeControl_2;
15830 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15831 inc /= cps->timeOdds;
15832 st /= cps->timeOdds;
15834 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15837 /* Set exact time per move, normally using st command */
15838 if (cps->stKludge) {
15839 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15841 if (seconds == 0) {
15842 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15844 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15847 snprintf(buf, MSG_SIZ, "st %d\n", st);
15850 /* Set conventional or incremental time control, using level command */
15851 if (seconds == 0) {
15852 /* Note old gnuchess bug -- minutes:seconds used to not work.
15853 Fixed in later versions, but still avoid :seconds
15854 when seconds is 0. */
15855 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15857 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15858 seconds, inc/1000.);
15861 SendToProgram(buf, cps);
15863 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15864 /* Orthogonally, limit search to given depth */
15866 if (cps->sdKludge) {
15867 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15869 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15871 SendToProgram(buf, cps);
15874 if(cps->nps >= 0) { /* [HGM] nps */
15875 if(cps->supportsNPS == FALSE)
15876 cps->nps = -1; // don't use if engine explicitly says not supported!
15878 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15879 SendToProgram(buf, cps);
15884 ChessProgramState *
15886 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15888 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15889 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15895 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15897 char message[MSG_SIZ];
15900 /* Note: this routine must be called when the clocks are stopped
15901 or when they have *just* been set or switched; otherwise
15902 it will be off by the time since the current tick started.
15904 if (machineWhite) {
15905 time = whiteTimeRemaining / 10;
15906 otime = blackTimeRemaining / 10;
15908 time = blackTimeRemaining / 10;
15909 otime = whiteTimeRemaining / 10;
15911 /* [HGM] translate opponent's time by time-odds factor */
15912 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15914 if (time <= 0) time = 1;
15915 if (otime <= 0) otime = 1;
15917 snprintf(message, MSG_SIZ, "time %ld\n", time);
15918 SendToProgram(message, cps);
15920 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15921 SendToProgram(message, cps);
15925 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15928 int len = strlen(name);
15931 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15933 sscanf(*p, "%d", &val);
15935 while (**p && **p != ' ')
15937 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15938 SendToProgram(buf, cps);
15945 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15948 int len = strlen(name);
15949 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15951 sscanf(*p, "%d", loc);
15952 while (**p && **p != ' ') (*p)++;
15953 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15954 SendToProgram(buf, cps);
15961 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
15964 int len = strlen(name);
15965 if (strncmp((*p), name, len) == 0
15966 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15968 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
15969 sscanf(*p, "%[^\"]", *loc);
15970 while (**p && **p != '\"') (*p)++;
15971 if (**p == '\"') (*p)++;
15972 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15973 SendToProgram(buf, cps);
15980 ParseOption (Option *opt, ChessProgramState *cps)
15981 // [HGM] options: process the string that defines an engine option, and determine
15982 // name, type, default value, and allowed value range
15984 char *p, *q, buf[MSG_SIZ];
15985 int n, min = (-1)<<31, max = 1<<31, def;
15987 if(p = strstr(opt->name, " -spin ")) {
15988 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15989 if(max < min) max = min; // enforce consistency
15990 if(def < min) def = min;
15991 if(def > max) def = max;
15996 } else if((p = strstr(opt->name, " -slider "))) {
15997 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15998 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15999 if(max < min) max = min; // enforce consistency
16000 if(def < min) def = min;
16001 if(def > max) def = max;
16005 opt->type = Spin; // Slider;
16006 } else if((p = strstr(opt->name, " -string "))) {
16007 opt->textValue = p+9;
16008 opt->type = TextBox;
16009 } else if((p = strstr(opt->name, " -file "))) {
16010 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16011 opt->textValue = p+7;
16012 opt->type = FileName; // FileName;
16013 } else if((p = strstr(opt->name, " -path "))) {
16014 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16015 opt->textValue = p+7;
16016 opt->type = PathName; // PathName;
16017 } else if(p = strstr(opt->name, " -check ")) {
16018 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16019 opt->value = (def != 0);
16020 opt->type = CheckBox;
16021 } else if(p = strstr(opt->name, " -combo ")) {
16022 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16023 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16024 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16025 opt->value = n = 0;
16026 while(q = StrStr(q, " /// ")) {
16027 n++; *q = 0; // count choices, and null-terminate each of them
16029 if(*q == '*') { // remember default, which is marked with * prefix
16033 cps->comboList[cps->comboCnt++] = q;
16035 cps->comboList[cps->comboCnt++] = NULL;
16037 opt->type = ComboBox;
16038 } else if(p = strstr(opt->name, " -button")) {
16039 opt->type = Button;
16040 } else if(p = strstr(opt->name, " -save")) {
16041 opt->type = SaveButton;
16042 } else return FALSE;
16043 *p = 0; // terminate option name
16044 // now look if the command-line options define a setting for this engine option.
16045 if(cps->optionSettings && cps->optionSettings[0])
16046 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16047 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16048 snprintf(buf, MSG_SIZ, "option %s", p);
16049 if(p = strstr(buf, ",")) *p = 0;
16050 if(q = strchr(buf, '=')) switch(opt->type) {
16052 for(n=0; n<opt->max; n++)
16053 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16056 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16060 opt->value = atoi(q+1);
16065 SendToProgram(buf, cps);
16071 FeatureDone (ChessProgramState *cps, int val)
16073 DelayedEventCallback cb = GetDelayedEvent();
16074 if ((cb == InitBackEnd3 && cps == &first) ||
16075 (cb == SettingsMenuIfReady && cps == &second) ||
16076 (cb == LoadEngine) ||
16077 (cb == TwoMachinesEventIfReady)) {
16078 CancelDelayedEvent();
16079 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16081 cps->initDone = val;
16082 if(val) cps->reload = FALSE;
16085 /* Parse feature command from engine */
16087 ParseFeatures (char *args, ChessProgramState *cps)
16095 while (*p == ' ') p++;
16096 if (*p == NULLCHAR) return;
16098 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16099 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16100 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16101 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16102 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16103 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16104 if (BoolFeature(&p, "reuse", &val, cps)) {
16105 /* Engine can disable reuse, but can't enable it if user said no */
16106 if (!val) cps->reuse = FALSE;
16109 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16110 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16111 if (gameMode == TwoMachinesPlay) {
16112 DisplayTwoMachinesTitle();
16118 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16119 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16120 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16121 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16122 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16123 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16124 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16125 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16126 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16127 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16128 if (IntFeature(&p, "done", &val, cps)) {
16129 FeatureDone(cps, val);
16132 /* Added by Tord: */
16133 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16134 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16135 /* End of additions by Tord */
16137 /* [HGM] added features: */
16138 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16139 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16140 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16141 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16142 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16143 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16144 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16145 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16146 FREE(cps->option[cps->nrOptions].name);
16147 cps->option[cps->nrOptions].name = q; q = NULL;
16148 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16149 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16150 SendToProgram(buf, cps);
16153 if(cps->nrOptions >= MAX_OPTIONS) {
16155 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16156 DisplayError(buf, 0);
16160 /* End of additions by HGM */
16162 /* unknown feature: complain and skip */
16164 while (*q && *q != '=') q++;
16165 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16166 SendToProgram(buf, cps);
16172 while (*p && *p != '\"') p++;
16173 if (*p == '\"') p++;
16175 while (*p && *p != ' ') p++;
16183 PeriodicUpdatesEvent (int newState)
16185 if (newState == appData.periodicUpdates)
16188 appData.periodicUpdates=newState;
16190 /* Display type changes, so update it now */
16191 // DisplayAnalysis();
16193 /* Get the ball rolling again... */
16195 AnalysisPeriodicEvent(1);
16196 StartAnalysisClock();
16201 PonderNextMoveEvent (int newState)
16203 if (newState == appData.ponderNextMove) return;
16204 if (gameMode == EditPosition) EditPositionDone(TRUE);
16206 SendToProgram("hard\n", &first);
16207 if (gameMode == TwoMachinesPlay) {
16208 SendToProgram("hard\n", &second);
16211 SendToProgram("easy\n", &first);
16212 thinkOutput[0] = NULLCHAR;
16213 if (gameMode == TwoMachinesPlay) {
16214 SendToProgram("easy\n", &second);
16217 appData.ponderNextMove = newState;
16221 NewSettingEvent (int option, int *feature, char *command, int value)
16225 if (gameMode == EditPosition) EditPositionDone(TRUE);
16226 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16227 if(feature == NULL || *feature) SendToProgram(buf, &first);
16228 if (gameMode == TwoMachinesPlay) {
16229 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16234 ShowThinkingEvent ()
16235 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16237 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16238 int newState = appData.showThinking
16239 // [HGM] thinking: other features now need thinking output as well
16240 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16242 if (oldState == newState) return;
16243 oldState = newState;
16244 if (gameMode == EditPosition) EditPositionDone(TRUE);
16246 SendToProgram("post\n", &first);
16247 if (gameMode == TwoMachinesPlay) {
16248 SendToProgram("post\n", &second);
16251 SendToProgram("nopost\n", &first);
16252 thinkOutput[0] = NULLCHAR;
16253 if (gameMode == TwoMachinesPlay) {
16254 SendToProgram("nopost\n", &second);
16257 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16261 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16263 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16264 if (pr == NoProc) return;
16265 AskQuestion(title, question, replyPrefix, pr);
16269 TypeInEvent (char firstChar)
16271 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16272 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16273 gameMode == AnalyzeMode || gameMode == EditGame ||
16274 gameMode == EditPosition || gameMode == IcsExamining ||
16275 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16276 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16277 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16278 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16279 gameMode == Training) PopUpMoveDialog(firstChar);
16283 TypeInDoneEvent (char *move)
16286 int n, fromX, fromY, toX, toY;
16288 ChessMove moveType;
16291 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16292 EditPositionPasteFEN(move);
16295 // [HGM] movenum: allow move number to be typed in any mode
16296 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16300 // undocumented kludge: allow command-line option to be typed in!
16301 // (potentially fatal, and does not implement the effect of the option.)
16302 // should only be used for options that are values on which future decisions will be made,
16303 // and definitely not on options that would be used during initialization.
16304 if(strstr(move, "!!! -") == move) {
16305 ParseArgsFromString(move+4);
16309 if (gameMode != EditGame && currentMove != forwardMostMove &&
16310 gameMode != Training) {
16311 DisplayMoveError(_("Displayed move is not current"));
16313 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16314 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16315 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16316 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16317 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16318 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16320 DisplayMoveError(_("Could not parse move"));
16326 DisplayMove (int moveNumber)
16328 char message[MSG_SIZ];
16330 char cpThinkOutput[MSG_SIZ];
16332 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16334 if (moveNumber == forwardMostMove - 1 ||
16335 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16337 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16339 if (strchr(cpThinkOutput, '\n')) {
16340 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16343 *cpThinkOutput = NULLCHAR;
16346 /* [AS] Hide thinking from human user */
16347 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16348 *cpThinkOutput = NULLCHAR;
16349 if( thinkOutput[0] != NULLCHAR ) {
16352 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16353 cpThinkOutput[i] = '.';
16355 cpThinkOutput[i] = NULLCHAR;
16356 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16360 if (moveNumber == forwardMostMove - 1 &&
16361 gameInfo.resultDetails != NULL) {
16362 if (gameInfo.resultDetails[0] == NULLCHAR) {
16363 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16365 snprintf(res, MSG_SIZ, " {%s} %s",
16366 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16372 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16373 DisplayMessage(res, cpThinkOutput);
16375 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16376 WhiteOnMove(moveNumber) ? " " : ".. ",
16377 parseList[moveNumber], res);
16378 DisplayMessage(message, cpThinkOutput);
16383 DisplayComment (int moveNumber, char *text)
16385 char title[MSG_SIZ];
16387 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16388 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16390 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16391 WhiteOnMove(moveNumber) ? " " : ".. ",
16392 parseList[moveNumber]);
16394 if (text != NULL && (appData.autoDisplayComment || commentUp))
16395 CommentPopUp(title, text);
16398 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16399 * might be busy thinking or pondering. It can be omitted if your
16400 * gnuchess is configured to stop thinking immediately on any user
16401 * input. However, that gnuchess feature depends on the FIONREAD
16402 * ioctl, which does not work properly on some flavors of Unix.
16405 Attention (ChessProgramState *cps)
16408 if (!cps->useSigint) return;
16409 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16410 switch (gameMode) {
16411 case MachinePlaysWhite:
16412 case MachinePlaysBlack:
16413 case TwoMachinesPlay:
16414 case IcsPlayingWhite:
16415 case IcsPlayingBlack:
16418 /* Skip if we know it isn't thinking */
16419 if (!cps->maybeThinking) return;
16420 if (appData.debugMode)
16421 fprintf(debugFP, "Interrupting %s\n", cps->which);
16422 InterruptChildProcess(cps->pr);
16423 cps->maybeThinking = FALSE;
16428 #endif /*ATTENTION*/
16434 if (whiteTimeRemaining <= 0) {
16437 if (appData.icsActive) {
16438 if (appData.autoCallFlag &&
16439 gameMode == IcsPlayingBlack && !blackFlag) {
16440 SendToICS(ics_prefix);
16441 SendToICS("flag\n");
16445 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16447 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16448 if (appData.autoCallFlag) {
16449 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16456 if (blackTimeRemaining <= 0) {
16459 if (appData.icsActive) {
16460 if (appData.autoCallFlag &&
16461 gameMode == IcsPlayingWhite && !whiteFlag) {
16462 SendToICS(ics_prefix);
16463 SendToICS("flag\n");
16467 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16469 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16470 if (appData.autoCallFlag) {
16471 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16482 CheckTimeControl ()
16484 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16485 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16488 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16490 if ( !WhiteOnMove(forwardMostMove) ) {
16491 /* White made time control */
16492 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16493 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16494 /* [HGM] time odds: correct new time quota for time odds! */
16495 / WhitePlayer()->timeOdds;
16496 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16498 lastBlack -= blackTimeRemaining;
16499 /* Black made time control */
16500 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16501 / WhitePlayer()->other->timeOdds;
16502 lastWhite = whiteTimeRemaining;
16507 DisplayBothClocks ()
16509 int wom = gameMode == EditPosition ?
16510 !blackPlaysFirst : WhiteOnMove(currentMove);
16511 DisplayWhiteClock(whiteTimeRemaining, wom);
16512 DisplayBlackClock(blackTimeRemaining, !wom);
16516 /* Timekeeping seems to be a portability nightmare. I think everyone
16517 has ftime(), but I'm really not sure, so I'm including some ifdefs
16518 to use other calls if you don't. Clocks will be less accurate if
16519 you have neither ftime nor gettimeofday.
16522 /* VS 2008 requires the #include outside of the function */
16523 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16524 #include <sys/timeb.h>
16527 /* Get the current time as a TimeMark */
16529 GetTimeMark (TimeMark *tm)
16531 #if HAVE_GETTIMEOFDAY
16533 struct timeval timeVal;
16534 struct timezone timeZone;
16536 gettimeofday(&timeVal, &timeZone);
16537 tm->sec = (long) timeVal.tv_sec;
16538 tm->ms = (int) (timeVal.tv_usec / 1000L);
16540 #else /*!HAVE_GETTIMEOFDAY*/
16543 // include <sys/timeb.h> / moved to just above start of function
16544 struct timeb timeB;
16547 tm->sec = (long) timeB.time;
16548 tm->ms = (int) timeB.millitm;
16550 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16551 tm->sec = (long) time(NULL);
16557 /* Return the difference in milliseconds between two
16558 time marks. We assume the difference will fit in a long!
16561 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16563 return 1000L*(tm2->sec - tm1->sec) +
16564 (long) (tm2->ms - tm1->ms);
16569 * Code to manage the game clocks.
16571 * In tournament play, black starts the clock and then white makes a move.
16572 * We give the human user a slight advantage if he is playing white---the
16573 * clocks don't run until he makes his first move, so it takes zero time.
16574 * Also, we don't account for network lag, so we could get out of sync
16575 * with GNU Chess's clock -- but then, referees are always right.
16578 static TimeMark tickStartTM;
16579 static long intendedTickLength;
16582 NextTickLength (long timeRemaining)
16584 long nominalTickLength, nextTickLength;
16586 if (timeRemaining > 0L && timeRemaining <= 10000L)
16587 nominalTickLength = 100L;
16589 nominalTickLength = 1000L;
16590 nextTickLength = timeRemaining % nominalTickLength;
16591 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16593 return nextTickLength;
16596 /* Adjust clock one minute up or down */
16598 AdjustClock (Boolean which, int dir)
16600 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16601 if(which) blackTimeRemaining += 60000*dir;
16602 else whiteTimeRemaining += 60000*dir;
16603 DisplayBothClocks();
16604 adjustedClock = TRUE;
16607 /* Stop clocks and reset to a fresh time control */
16611 (void) StopClockTimer();
16612 if (appData.icsActive) {
16613 whiteTimeRemaining = blackTimeRemaining = 0;
16614 } else if (searchTime) {
16615 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16616 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16617 } else { /* [HGM] correct new time quote for time odds */
16618 whiteTC = blackTC = fullTimeControlString;
16619 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16620 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16622 if (whiteFlag || blackFlag) {
16624 whiteFlag = blackFlag = FALSE;
16626 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16627 DisplayBothClocks();
16628 adjustedClock = FALSE;
16631 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16633 /* Decrement running clock by amount of time that has passed */
16637 long timeRemaining;
16638 long lastTickLength, fudge;
16641 if (!appData.clockMode) return;
16642 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16646 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16648 /* Fudge if we woke up a little too soon */
16649 fudge = intendedTickLength - lastTickLength;
16650 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16652 if (WhiteOnMove(forwardMostMove)) {
16653 if(whiteNPS >= 0) lastTickLength = 0;
16654 timeRemaining = whiteTimeRemaining -= lastTickLength;
16655 if(timeRemaining < 0 && !appData.icsActive) {
16656 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16657 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16658 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16659 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16662 DisplayWhiteClock(whiteTimeRemaining - fudge,
16663 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16665 if(blackNPS >= 0) lastTickLength = 0;
16666 timeRemaining = blackTimeRemaining -= lastTickLength;
16667 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16668 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16670 blackStartMove = forwardMostMove;
16671 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16674 DisplayBlackClock(blackTimeRemaining - fudge,
16675 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16677 if (CheckFlags()) return;
16679 if(twoBoards) { // count down secondary board's clocks as well
16680 activePartnerTime -= lastTickLength;
16682 if(activePartner == 'W')
16683 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16685 DisplayBlackClock(activePartnerTime, TRUE);
16690 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16691 StartClockTimer(intendedTickLength);
16693 /* if the time remaining has fallen below the alarm threshold, sound the
16694 * alarm. if the alarm has sounded and (due to a takeback or time control
16695 * with increment) the time remaining has increased to a level above the
16696 * threshold, reset the alarm so it can sound again.
16699 if (appData.icsActive && appData.icsAlarm) {
16701 /* make sure we are dealing with the user's clock */
16702 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16703 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16706 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16707 alarmSounded = FALSE;
16708 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16710 alarmSounded = TRUE;
16716 /* A player has just moved, so stop the previously running
16717 clock and (if in clock mode) start the other one.
16718 We redisplay both clocks in case we're in ICS mode, because
16719 ICS gives us an update to both clocks after every move.
16720 Note that this routine is called *after* forwardMostMove
16721 is updated, so the last fractional tick must be subtracted
16722 from the color that is *not* on move now.
16725 SwitchClocks (int newMoveNr)
16727 long lastTickLength;
16729 int flagged = FALSE;
16733 if (StopClockTimer() && appData.clockMode) {
16734 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16735 if (!WhiteOnMove(forwardMostMove)) {
16736 if(blackNPS >= 0) lastTickLength = 0;
16737 blackTimeRemaining -= lastTickLength;
16738 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16739 // if(pvInfoList[forwardMostMove].time == -1)
16740 pvInfoList[forwardMostMove].time = // use GUI time
16741 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16743 if(whiteNPS >= 0) lastTickLength = 0;
16744 whiteTimeRemaining -= lastTickLength;
16745 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16746 // if(pvInfoList[forwardMostMove].time == -1)
16747 pvInfoList[forwardMostMove].time =
16748 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16750 flagged = CheckFlags();
16752 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16753 CheckTimeControl();
16755 if (flagged || !appData.clockMode) return;
16757 switch (gameMode) {
16758 case MachinePlaysBlack:
16759 case MachinePlaysWhite:
16760 case BeginningOfGame:
16761 if (pausing) return;
16765 case PlayFromGameFile:
16773 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16774 if(WhiteOnMove(forwardMostMove))
16775 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16776 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16780 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16781 whiteTimeRemaining : blackTimeRemaining);
16782 StartClockTimer(intendedTickLength);
16786 /* Stop both clocks */
16790 long lastTickLength;
16793 if (!StopClockTimer()) return;
16794 if (!appData.clockMode) return;
16798 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16799 if (WhiteOnMove(forwardMostMove)) {
16800 if(whiteNPS >= 0) lastTickLength = 0;
16801 whiteTimeRemaining -= lastTickLength;
16802 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16804 if(blackNPS >= 0) lastTickLength = 0;
16805 blackTimeRemaining -= lastTickLength;
16806 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16811 /* Start clock of player on move. Time may have been reset, so
16812 if clock is already running, stop and restart it. */
16816 (void) StopClockTimer(); /* in case it was running already */
16817 DisplayBothClocks();
16818 if (CheckFlags()) return;
16820 if (!appData.clockMode) return;
16821 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16823 GetTimeMark(&tickStartTM);
16824 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16825 whiteTimeRemaining : blackTimeRemaining);
16827 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16828 whiteNPS = blackNPS = -1;
16829 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16830 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16831 whiteNPS = first.nps;
16832 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16833 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16834 blackNPS = first.nps;
16835 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16836 whiteNPS = second.nps;
16837 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16838 blackNPS = second.nps;
16839 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16841 StartClockTimer(intendedTickLength);
16845 TimeString (long ms)
16847 long second, minute, hour, day;
16849 static char buf[32];
16851 if (ms > 0 && ms <= 9900) {
16852 /* convert milliseconds to tenths, rounding up */
16853 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16855 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16859 /* convert milliseconds to seconds, rounding up */
16860 /* use floating point to avoid strangeness of integer division
16861 with negative dividends on many machines */
16862 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16869 day = second / (60 * 60 * 24);
16870 second = second % (60 * 60 * 24);
16871 hour = second / (60 * 60);
16872 second = second % (60 * 60);
16873 minute = second / 60;
16874 second = second % 60;
16877 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16878 sign, day, hour, minute, second);
16880 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16882 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16889 * This is necessary because some C libraries aren't ANSI C compliant yet.
16892 StrStr (char *string, char *match)
16896 length = strlen(match);
16898 for (i = strlen(string) - length; i >= 0; i--, string++)
16899 if (!strncmp(match, string, length))
16906 StrCaseStr (char *string, char *match)
16910 length = strlen(match);
16912 for (i = strlen(string) - length; i >= 0; i--, string++) {
16913 for (j = 0; j < length; j++) {
16914 if (ToLower(match[j]) != ToLower(string[j]))
16917 if (j == length) return string;
16925 StrCaseCmp (char *s1, char *s2)
16930 c1 = ToLower(*s1++);
16931 c2 = ToLower(*s2++);
16932 if (c1 > c2) return 1;
16933 if (c1 < c2) return -1;
16934 if (c1 == NULLCHAR) return 0;
16942 return isupper(c) ? tolower(c) : c;
16949 return islower(c) ? toupper(c) : c;
16951 #endif /* !_amigados */
16958 if ((ret = (char *) malloc(strlen(s) + 1)))
16960 safeStrCpy(ret, s, strlen(s)+1);
16966 StrSavePtr (char *s, char **savePtr)
16971 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16972 safeStrCpy(*savePtr, s, strlen(s)+1);
16984 clock = time((time_t *)NULL);
16985 tm = localtime(&clock);
16986 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16987 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16988 return StrSave(buf);
16993 PositionToFEN (int move, char *overrideCastling)
16995 int i, j, fromX, fromY, toX, toY;
17002 whiteToPlay = (gameMode == EditPosition) ?
17003 !blackPlaysFirst : (move % 2 == 0);
17006 /* Piece placement data */
17007 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17008 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17010 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17011 if (boards[move][i][j] == EmptySquare) {
17013 } else { ChessSquare piece = boards[move][i][j];
17014 if (emptycount > 0) {
17015 if(emptycount<10) /* [HGM] can be >= 10 */
17016 *p++ = '0' + emptycount;
17017 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17020 if(PieceToChar(piece) == '+') {
17021 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17023 piece = (ChessSquare)(DEMOTED piece);
17025 *p++ = PieceToChar(piece);
17027 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17028 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17033 if (emptycount > 0) {
17034 if(emptycount<10) /* [HGM] can be >= 10 */
17035 *p++ = '0' + emptycount;
17036 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17043 /* [HGM] print Crazyhouse or Shogi holdings */
17044 if( gameInfo.holdingsWidth ) {
17045 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17047 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17048 piece = boards[move][i][BOARD_WIDTH-1];
17049 if( piece != EmptySquare )
17050 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17051 *p++ = PieceToChar(piece);
17053 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17054 piece = boards[move][BOARD_HEIGHT-i-1][0];
17055 if( piece != EmptySquare )
17056 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17057 *p++ = PieceToChar(piece);
17060 if( q == p ) *p++ = '-';
17066 *p++ = whiteToPlay ? 'w' : 'b';
17069 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17070 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17072 if(nrCastlingRights) {
17074 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17075 /* [HGM] write directly from rights */
17076 if(boards[move][CASTLING][2] != NoRights &&
17077 boards[move][CASTLING][0] != NoRights )
17078 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17079 if(boards[move][CASTLING][2] != NoRights &&
17080 boards[move][CASTLING][1] != NoRights )
17081 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17082 if(boards[move][CASTLING][5] != NoRights &&
17083 boards[move][CASTLING][3] != NoRights )
17084 *p++ = boards[move][CASTLING][3] + AAA;
17085 if(boards[move][CASTLING][5] != NoRights &&
17086 boards[move][CASTLING][4] != NoRights )
17087 *p++ = boards[move][CASTLING][4] + AAA;
17090 /* [HGM] write true castling rights */
17091 if( nrCastlingRights == 6 ) {
17093 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17094 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17095 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17096 boards[move][CASTLING][2] != NoRights );
17097 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17098 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17099 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17100 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17101 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17105 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17106 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17107 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17108 boards[move][CASTLING][5] != NoRights );
17109 if(gameInfo.variant == VariantSChess) {
17110 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17111 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17112 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17113 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17118 if (q == p) *p++ = '-'; /* No castling rights */
17122 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17123 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17124 /* En passant target square */
17125 if (move > backwardMostMove) {
17126 fromX = moveList[move - 1][0] - AAA;
17127 fromY = moveList[move - 1][1] - ONE;
17128 toX = moveList[move - 1][2] - AAA;
17129 toY = moveList[move - 1][3] - ONE;
17130 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17131 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17132 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17134 /* 2-square pawn move just happened */
17136 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17140 } else if(move == backwardMostMove) {
17141 // [HGM] perhaps we should always do it like this, and forget the above?
17142 if((signed char)boards[move][EP_STATUS] >= 0) {
17143 *p++ = boards[move][EP_STATUS] + AAA;
17144 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17155 /* [HGM] find reversible plies */
17156 { int i = 0, j=move;
17158 if (appData.debugMode) { int k;
17159 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17160 for(k=backwardMostMove; k<=forwardMostMove; k++)
17161 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17165 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17166 if( j == backwardMostMove ) i += initialRulePlies;
17167 sprintf(p, "%d ", i);
17168 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17170 /* Fullmove number */
17171 sprintf(p, "%d", (move / 2) + 1);
17173 return StrSave(buf);
17177 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17181 int emptycount, virgin[BOARD_FILES];
17186 /* [HGM] by default clear Crazyhouse holdings, if present */
17187 if(gameInfo.holdingsWidth) {
17188 for(i=0; i<BOARD_HEIGHT; i++) {
17189 board[i][0] = EmptySquare; /* black holdings */
17190 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17191 board[i][1] = (ChessSquare) 0; /* black counts */
17192 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17196 /* Piece placement data */
17197 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17200 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17201 if (*p == '/') p++;
17202 emptycount = gameInfo.boardWidth - j;
17203 while (emptycount--)
17204 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17206 #if(BOARD_FILES >= 10)
17207 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17208 p++; emptycount=10;
17209 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17210 while (emptycount--)
17211 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17213 } else if (isdigit(*p)) {
17214 emptycount = *p++ - '0';
17215 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17216 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17217 while (emptycount--)
17218 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17219 } else if (*p == '+' || isalpha(*p)) {
17220 if (j >= gameInfo.boardWidth) return FALSE;
17222 piece = CharToPiece(*++p);
17223 if(piece == EmptySquare) return FALSE; /* unknown piece */
17224 piece = (ChessSquare) (PROMOTED piece ); p++;
17225 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17226 } else piece = CharToPiece(*p++);
17228 if(piece==EmptySquare) return FALSE; /* unknown piece */
17229 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17230 piece = (ChessSquare) (PROMOTED piece);
17231 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17234 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17240 while (*p == '/' || *p == ' ') p++;
17242 /* [HGM] look for Crazyhouse holdings here */
17243 while(*p==' ') p++;
17244 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17246 if(*p == '-' ) p++; /* empty holdings */ else {
17247 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17248 /* if we would allow FEN reading to set board size, we would */
17249 /* have to add holdings and shift the board read so far here */
17250 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17252 if((int) piece >= (int) BlackPawn ) {
17253 i = (int)piece - (int)BlackPawn;
17254 i = PieceToNumber((ChessSquare)i);
17255 if( i >= gameInfo.holdingsSize ) return FALSE;
17256 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17257 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17259 i = (int)piece - (int)WhitePawn;
17260 i = PieceToNumber((ChessSquare)i);
17261 if( i >= gameInfo.holdingsSize ) return FALSE;
17262 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17263 board[i][BOARD_WIDTH-2]++; /* black holdings */
17270 while(*p == ' ') p++;
17274 if(appData.colorNickNames) {
17275 if( c == appData.colorNickNames[0] ) c = 'w'; else
17276 if( c == appData.colorNickNames[1] ) c = 'b';
17280 *blackPlaysFirst = FALSE;
17283 *blackPlaysFirst = TRUE;
17289 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17290 /* return the extra info in global variiables */
17292 /* set defaults in case FEN is incomplete */
17293 board[EP_STATUS] = EP_UNKNOWN;
17294 for(i=0; i<nrCastlingRights; i++ ) {
17295 board[CASTLING][i] =
17296 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17297 } /* assume possible unless obviously impossible */
17298 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17299 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17300 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17301 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17302 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17303 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17304 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17305 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17308 while(*p==' ') p++;
17309 if(nrCastlingRights) {
17310 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17311 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17312 /* castling indicator present, so default becomes no castlings */
17313 for(i=0; i<nrCastlingRights; i++ ) {
17314 board[CASTLING][i] = NoRights;
17317 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17318 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17319 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17320 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17321 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17323 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17324 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17325 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17327 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17328 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17329 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17330 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17331 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17332 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17335 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17336 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17337 board[CASTLING][2] = whiteKingFile;
17338 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17339 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17342 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17343 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17344 board[CASTLING][2] = whiteKingFile;
17345 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17346 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17349 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17350 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17351 board[CASTLING][5] = blackKingFile;
17352 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17353 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17356 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17357 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17358 board[CASTLING][5] = blackKingFile;
17359 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17360 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17363 default: /* FRC castlings */
17364 if(c >= 'a') { /* black rights */
17365 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17366 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17367 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17368 if(i == BOARD_RGHT) break;
17369 board[CASTLING][5] = i;
17371 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17372 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17374 board[CASTLING][3] = c;
17376 board[CASTLING][4] = c;
17377 } else { /* white rights */
17378 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17379 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17380 if(board[0][i] == WhiteKing) break;
17381 if(i == BOARD_RGHT) break;
17382 board[CASTLING][2] = i;
17383 c -= AAA - 'a' + 'A';
17384 if(board[0][c] >= WhiteKing) break;
17386 board[CASTLING][0] = c;
17388 board[CASTLING][1] = c;
17392 for(i=0; i<nrCastlingRights; i++)
17393 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17394 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17395 if (appData.debugMode) {
17396 fprintf(debugFP, "FEN castling rights:");
17397 for(i=0; i<nrCastlingRights; i++)
17398 fprintf(debugFP, " %d", board[CASTLING][i]);
17399 fprintf(debugFP, "\n");
17402 while(*p==' ') p++;
17405 /* read e.p. field in games that know e.p. capture */
17406 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17407 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17409 p++; board[EP_STATUS] = EP_NONE;
17411 char c = *p++ - AAA;
17413 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17414 if(*p >= '0' && *p <='9') p++;
17415 board[EP_STATUS] = c;
17420 if(sscanf(p, "%d", &i) == 1) {
17421 FENrulePlies = i; /* 50-move ply counter */
17422 /* (The move number is still ignored) */
17429 EditPositionPasteFEN (char *fen)
17432 Board initial_position;
17434 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17435 DisplayError(_("Bad FEN position in clipboard"), 0);
17438 int savedBlackPlaysFirst = blackPlaysFirst;
17439 EditPositionEvent();
17440 blackPlaysFirst = savedBlackPlaysFirst;
17441 CopyBoard(boards[0], initial_position);
17442 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17443 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17444 DisplayBothClocks();
17445 DrawPosition(FALSE, boards[currentMove]);
17450 static char cseq[12] = "\\ ";
17453 set_cont_sequence (char *new_seq)
17458 // handle bad attempts to set the sequence
17460 return 0; // acceptable error - no debug
17462 len = strlen(new_seq);
17463 ret = (len > 0) && (len < sizeof(cseq));
17465 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17466 else if (appData.debugMode)
17467 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17472 reformat a source message so words don't cross the width boundary. internal
17473 newlines are not removed. returns the wrapped size (no null character unless
17474 included in source message). If dest is NULL, only calculate the size required
17475 for the dest buffer. lp argument indicats line position upon entry, and it's
17476 passed back upon exit.
17479 wrap (char *dest, char *src, int count, int width, int *lp)
17481 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17483 cseq_len = strlen(cseq);
17484 old_line = line = *lp;
17485 ansi = len = clen = 0;
17487 for (i=0; i < count; i++)
17489 if (src[i] == '\033')
17492 // if we hit the width, back up
17493 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17495 // store i & len in case the word is too long
17496 old_i = i, old_len = len;
17498 // find the end of the last word
17499 while (i && src[i] != ' ' && src[i] != '\n')
17505 // word too long? restore i & len before splitting it
17506 if ((old_i-i+clen) >= width)
17513 if (i && src[i-1] == ' ')
17516 if (src[i] != ' ' && src[i] != '\n')
17523 // now append the newline and continuation sequence
17528 strncpy(dest+len, cseq, cseq_len);
17536 dest[len] = src[i];
17540 if (src[i] == '\n')
17545 if (dest && appData.debugMode)
17547 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17548 count, width, line, len, *lp);
17549 show_bytes(debugFP, src, count);
17550 fprintf(debugFP, "\ndest: ");
17551 show_bytes(debugFP, dest, len);
17552 fprintf(debugFP, "\n");
17554 *lp = dest ? line : old_line;
17559 // [HGM] vari: routines for shelving variations
17560 Boolean modeRestore = FALSE;
17563 PushInner (int firstMove, int lastMove)
17565 int i, j, nrMoves = lastMove - firstMove;
17567 // push current tail of game on stack
17568 savedResult[storedGames] = gameInfo.result;
17569 savedDetails[storedGames] = gameInfo.resultDetails;
17570 gameInfo.resultDetails = NULL;
17571 savedFirst[storedGames] = firstMove;
17572 savedLast [storedGames] = lastMove;
17573 savedFramePtr[storedGames] = framePtr;
17574 framePtr -= nrMoves; // reserve space for the boards
17575 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17576 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17577 for(j=0; j<MOVE_LEN; j++)
17578 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17579 for(j=0; j<2*MOVE_LEN; j++)
17580 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17581 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17582 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17583 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17584 pvInfoList[firstMove+i-1].depth = 0;
17585 commentList[framePtr+i] = commentList[firstMove+i];
17586 commentList[firstMove+i] = NULL;
17590 forwardMostMove = firstMove; // truncate game so we can start variation
17594 PushTail (int firstMove, int lastMove)
17596 if(appData.icsActive) { // only in local mode
17597 forwardMostMove = currentMove; // mimic old ICS behavior
17600 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17602 PushInner(firstMove, lastMove);
17603 if(storedGames == 1) GreyRevert(FALSE);
17604 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17608 PopInner (Boolean annotate)
17611 char buf[8000], moveBuf[20];
17613 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17614 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17615 nrMoves = savedLast[storedGames] - currentMove;
17618 if(!WhiteOnMove(currentMove))
17619 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17620 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17621 for(i=currentMove; i<forwardMostMove; i++) {
17623 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17624 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17625 strcat(buf, moveBuf);
17626 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17627 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17631 for(i=1; i<=nrMoves; i++) { // copy last variation back
17632 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17633 for(j=0; j<MOVE_LEN; j++)
17634 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17635 for(j=0; j<2*MOVE_LEN; j++)
17636 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17637 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17638 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17639 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17640 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17641 commentList[currentMove+i] = commentList[framePtr+i];
17642 commentList[framePtr+i] = NULL;
17644 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17645 framePtr = savedFramePtr[storedGames];
17646 gameInfo.result = savedResult[storedGames];
17647 if(gameInfo.resultDetails != NULL) {
17648 free(gameInfo.resultDetails);
17650 gameInfo.resultDetails = savedDetails[storedGames];
17651 forwardMostMove = currentMove + nrMoves;
17655 PopTail (Boolean annotate)
17657 if(appData.icsActive) return FALSE; // only in local mode
17658 if(!storedGames) return FALSE; // sanity
17659 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17661 PopInner(annotate);
17662 if(currentMove < forwardMostMove) ForwardEvent(); else
17663 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17665 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17671 { // remove all shelved variations
17673 for(i=0; i<storedGames; i++) {
17674 if(savedDetails[i])
17675 free(savedDetails[i]);
17676 savedDetails[i] = NULL;
17678 for(i=framePtr; i<MAX_MOVES; i++) {
17679 if(commentList[i]) free(commentList[i]);
17680 commentList[i] = NULL;
17682 framePtr = MAX_MOVES-1;
17687 LoadVariation (int index, char *text)
17688 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17689 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17690 int level = 0, move;
17692 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17693 // first find outermost bracketing variation
17694 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17695 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17696 if(*p == '{') wait = '}'; else
17697 if(*p == '[') wait = ']'; else
17698 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17699 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17701 if(*p == wait) wait = NULLCHAR; // closing ]} found
17704 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17705 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17706 end[1] = NULLCHAR; // clip off comment beyond variation
17707 ToNrEvent(currentMove-1);
17708 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17709 // kludge: use ParsePV() to append variation to game
17710 move = currentMove;
17711 ParsePV(start, TRUE, TRUE);
17712 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17713 ClearPremoveHighlights();
17715 ToNrEvent(currentMove+1);
17721 char *p, *q, buf[MSG_SIZ];
17722 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17723 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17724 ParseArgsFromString(buf);
17725 ActivateTheme(TRUE); // also redo colors
17729 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17732 q = appData.themeNames;
17733 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17734 if(appData.useBitmaps) {
17735 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17736 appData.liteBackTextureFile, appData.darkBackTextureFile,
17737 appData.liteBackTextureMode,
17738 appData.darkBackTextureMode );
17740 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17741 Col2Text(2), // lightSquareColor
17742 Col2Text(3) ); // darkSquareColor
17744 if(appData.useBorder) {
17745 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17748 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17750 if(appData.useFont) {
17751 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17752 appData.renderPiecesWithFont,
17753 appData.fontToPieceTable,
17754 Col2Text(9), // appData.fontBackColorWhite
17755 Col2Text(10) ); // appData.fontForeColorBlack
17757 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17758 appData.pieceDirectory);
17759 if(!appData.pieceDirectory[0])
17760 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17761 Col2Text(0), // whitePieceColor
17762 Col2Text(1) ); // blackPieceColor
17764 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17765 Col2Text(4), // highlightSquareColor
17766 Col2Text(5) ); // premoveHighlightColor
17767 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17768 if(insert != q) insert[-1] = NULLCHAR;
17769 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17772 ActivateTheme(FALSE);