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(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8017 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8018 // now arrange restart after book miss
8020 // after a book hit we never send 'go', and the code after the call to this routine
8021 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8022 char buf[MSG_SIZ], *move = bookHit;
8024 int fromX, fromY, toX, toY;
8028 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8029 &fromX, &fromY, &toX, &toY, &promoChar)) {
8030 (void) CoordsToAlgebraic(boards[forwardMostMove],
8031 PosFlags(forwardMostMove),
8032 fromY, fromX, toY, toX, promoChar, move);
8034 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8038 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8039 SendToProgram(buf, cps);
8040 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8041 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8042 SendToProgram("go\n", cps);
8043 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8044 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8045 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8046 SendToProgram("go\n", cps);
8047 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8049 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8053 LoadError (char *errmess, ChessProgramState *cps)
8054 { // unloads engine and switches back to -ncp mode if it was first
8055 if(cps->initDone) return FALSE;
8056 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8057 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8060 appData.noChessProgram = TRUE;
8061 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8062 gameMode = BeginningOfGame; ModeHighlight();
8065 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8066 DisplayMessage("", ""); // erase waiting message
8067 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8072 ChessProgramState *savedState;
8074 DeferredBookMove (void)
8076 if(savedState->lastPing != savedState->lastPong)
8077 ScheduleDelayedEvent(DeferredBookMove, 10);
8079 HandleMachineMove(savedMessage, savedState);
8082 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8083 static ChessProgramState *stalledEngine;
8084 static char stashedInputMove[MSG_SIZ];
8087 HandleMachineMove (char *message, ChessProgramState *cps)
8089 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8090 char realname[MSG_SIZ];
8091 int fromX, fromY, toX, toY;
8095 int machineWhite, oldError;
8098 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8099 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8100 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8101 DisplayError(_("Invalid pairing from pairing engine"), 0);
8104 pairingReceived = 1;
8106 return; // Skim the pairing messages here.
8109 oldError = cps->userError; cps->userError = 0;
8111 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8113 * Kludge to ignore BEL characters
8115 while (*message == '\007') message++;
8118 * [HGM] engine debug message: ignore lines starting with '#' character
8120 if(cps->debug && *message == '#') return;
8123 * Look for book output
8125 if (cps == &first && bookRequested) {
8126 if (message[0] == '\t' || message[0] == ' ') {
8127 /* Part of the book output is here; append it */
8128 strcat(bookOutput, message);
8129 strcat(bookOutput, " \n");
8131 } else if (bookOutput[0] != NULLCHAR) {
8132 /* All of book output has arrived; display it */
8133 char *p = bookOutput;
8134 while (*p != NULLCHAR) {
8135 if (*p == '\t') *p = ' ';
8138 DisplayInformation(bookOutput);
8139 bookRequested = FALSE;
8140 /* Fall through to parse the current output */
8145 * Look for machine move.
8147 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8148 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8150 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8151 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8152 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8153 stalledEngine = cps;
8154 if(appData.ponderNextMove) { // bring opponent out of ponder
8155 if(gameMode == TwoMachinesPlay) {
8156 if(cps->other->pause)
8157 PauseEngine(cps->other);
8159 SendToProgram("easy\n", cps->other);
8166 /* This method is only useful on engines that support ping */
8167 if (cps->lastPing != cps->lastPong) {
8168 if (gameMode == BeginningOfGame) {
8169 /* Extra move from before last new; ignore */
8170 if (appData.debugMode) {
8171 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8174 if (appData.debugMode) {
8175 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8176 cps->which, gameMode);
8179 SendToProgram("undo\n", cps);
8185 case BeginningOfGame:
8186 /* Extra move from before last reset; ignore */
8187 if (appData.debugMode) {
8188 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8195 /* Extra move after we tried to stop. The mode test is
8196 not a reliable way of detecting this problem, but it's
8197 the best we can do on engines that don't support ping.
8199 if (appData.debugMode) {
8200 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8201 cps->which, gameMode);
8203 SendToProgram("undo\n", cps);
8206 case MachinePlaysWhite:
8207 case IcsPlayingWhite:
8208 machineWhite = TRUE;
8211 case MachinePlaysBlack:
8212 case IcsPlayingBlack:
8213 machineWhite = FALSE;
8216 case TwoMachinesPlay:
8217 machineWhite = (cps->twoMachinesColor[0] == 'w');
8220 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8221 if (appData.debugMode) {
8223 "Ignoring move out of turn by %s, gameMode %d"
8224 ", forwardMost %d\n",
8225 cps->which, gameMode, forwardMostMove);
8230 if(cps->alphaRank) AlphaRank(machineMove, 4);
8231 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8232 &fromX, &fromY, &toX, &toY, &promoChar)) {
8233 /* Machine move could not be parsed; ignore it. */
8234 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8235 machineMove, _(cps->which));
8236 DisplayMoveError(buf1);
8237 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8238 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8239 if (gameMode == TwoMachinesPlay) {
8240 GameEnds(machineWhite ? BlackWins : WhiteWins,
8246 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8247 /* So we have to redo legality test with true e.p. status here, */
8248 /* to make sure an illegal e.p. capture does not slip through, */
8249 /* to cause a forfeit on a justified illegal-move complaint */
8250 /* of the opponent. */
8251 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8253 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8254 fromY, fromX, toY, toX, promoChar);
8255 if(moveType == IllegalMove) {
8256 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8257 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8258 GameEnds(machineWhite ? BlackWins : WhiteWins,
8261 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8262 /* [HGM] Kludge to handle engines that send FRC-style castling
8263 when they shouldn't (like TSCP-Gothic) */
8265 case WhiteASideCastleFR:
8266 case BlackASideCastleFR:
8268 currentMoveString[2]++;
8270 case WhiteHSideCastleFR:
8271 case BlackHSideCastleFR:
8273 currentMoveString[2]--;
8275 default: ; // nothing to do, but suppresses warning of pedantic compilers
8278 hintRequested = FALSE;
8279 lastHint[0] = NULLCHAR;
8280 bookRequested = FALSE;
8281 /* Program may be pondering now */
8282 cps->maybeThinking = TRUE;
8283 if (cps->sendTime == 2) cps->sendTime = 1;
8284 if (cps->offeredDraw) cps->offeredDraw--;
8286 /* [AS] Save move info*/
8287 pvInfoList[ forwardMostMove ].score = programStats.score;
8288 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8289 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8291 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8293 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8294 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8297 while( count < adjudicateLossPlies ) {
8298 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8301 score = -score; /* Flip score for winning side */
8304 if( score > adjudicateLossThreshold ) {
8311 if( count >= adjudicateLossPlies ) {
8312 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8314 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8315 "Xboard adjudication",
8322 if(Adjudicate(cps)) {
8323 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8324 return; // [HGM] adjudicate: for all automatic game ends
8328 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8330 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8331 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8333 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8335 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8337 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8338 char buf[3*MSG_SIZ];
8340 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8341 programStats.score / 100.,
8343 programStats.time / 100.,
8344 (unsigned int)programStats.nodes,
8345 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8346 programStats.movelist);
8348 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8353 /* [AS] Clear stats for next move */
8354 ClearProgramStats();
8355 thinkOutput[0] = NULLCHAR;
8356 hiddenThinkOutputState = 0;
8359 if (gameMode == TwoMachinesPlay) {
8360 /* [HGM] relaying draw offers moved to after reception of move */
8361 /* and interpreting offer as claim if it brings draw condition */
8362 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8363 SendToProgram("draw\n", cps->other);
8365 if (cps->other->sendTime) {
8366 SendTimeRemaining(cps->other,
8367 cps->other->twoMachinesColor[0] == 'w');
8369 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8370 if (firstMove && !bookHit) {
8372 if (cps->other->useColors) {
8373 SendToProgram(cps->other->twoMachinesColor, cps->other);
8375 SendToProgram("go\n", cps->other);
8377 cps->other->maybeThinking = TRUE;
8380 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8382 if (!pausing && appData.ringBellAfterMoves) {
8387 * Reenable menu items that were disabled while
8388 * machine was thinking
8390 if (gameMode != TwoMachinesPlay)
8391 SetUserThinkingEnables();
8393 // [HGM] book: after book hit opponent has received move and is now in force mode
8394 // force the book reply into it, and then fake that it outputted this move by jumping
8395 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8397 static char bookMove[MSG_SIZ]; // a bit generous?
8399 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8400 strcat(bookMove, bookHit);
8403 programStats.nodes = programStats.depth = programStats.time =
8404 programStats.score = programStats.got_only_move = 0;
8405 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8407 if(cps->lastPing != cps->lastPong) {
8408 savedMessage = message; // args for deferred call
8410 ScheduleDelayedEvent(DeferredBookMove, 10);
8419 /* Set special modes for chess engines. Later something general
8420 * could be added here; for now there is just one kludge feature,
8421 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8422 * when "xboard" is given as an interactive command.
8424 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8425 cps->useSigint = FALSE;
8426 cps->useSigterm = FALSE;
8428 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8429 ParseFeatures(message+8, cps);
8430 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8433 if (!strncmp(message, "setup ", 6) &&
8434 (!appData.testLegality || gameInfo.variant == VariantFairy || NonStandardBoardSize())
8435 ) { // [HGM] allow first engine to define opening position
8436 int dummy, s=6; char buf[MSG_SIZ];
8437 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8438 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8439 if(startedFromSetupPosition) return;
8440 if(sscanf(message+s, "%dx%d+%d", &dummy, &dummy, &dummy) == 3) while(message[s] && message[s++] != ' '); // for compatibility with Alien Edition
8441 ParseFEN(boards[0], &dummy, message+s);
8442 DrawPosition(TRUE, boards[0]);
8443 startedFromSetupPosition = TRUE;
8446 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8447 * want this, I was asked to put it in, and obliged.
8449 if (!strncmp(message, "setboard ", 9)) {
8450 Board initial_position;
8452 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8454 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8455 DisplayError(_("Bad FEN received from engine"), 0);
8459 CopyBoard(boards[0], initial_position);
8460 initialRulePlies = FENrulePlies;
8461 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8462 else gameMode = MachinePlaysBlack;
8463 DrawPosition(FALSE, boards[currentMove]);
8469 * Look for communication commands
8471 if (!strncmp(message, "telluser ", 9)) {
8472 if(message[9] == '\\' && message[10] == '\\')
8473 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8475 DisplayNote(message + 9);
8478 if (!strncmp(message, "tellusererror ", 14)) {
8480 if(message[14] == '\\' && message[15] == '\\')
8481 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8483 DisplayError(message + 14, 0);
8486 if (!strncmp(message, "tellopponent ", 13)) {
8487 if (appData.icsActive) {
8489 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8493 DisplayNote(message + 13);
8497 if (!strncmp(message, "tellothers ", 11)) {
8498 if (appData.icsActive) {
8500 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8503 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8506 if (!strncmp(message, "tellall ", 8)) {
8507 if (appData.icsActive) {
8509 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8513 DisplayNote(message + 8);
8517 if (strncmp(message, "warning", 7) == 0) {
8518 /* Undocumented feature, use tellusererror in new code */
8519 DisplayError(message, 0);
8522 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8523 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8524 strcat(realname, " query");
8525 AskQuestion(realname, buf2, buf1, cps->pr);
8528 /* Commands from the engine directly to ICS. We don't allow these to be
8529 * sent until we are logged on. Crafty kibitzes have been known to
8530 * interfere with the login process.
8533 if (!strncmp(message, "tellics ", 8)) {
8534 SendToICS(message + 8);
8538 if (!strncmp(message, "tellicsnoalias ", 15)) {
8539 SendToICS(ics_prefix);
8540 SendToICS(message + 15);
8544 /* The following are for backward compatibility only */
8545 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8546 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8547 SendToICS(ics_prefix);
8553 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8557 * If the move is illegal, cancel it and redraw the board.
8558 * Also deal with other error cases. Matching is rather loose
8559 * here to accommodate engines written before the spec.
8561 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8562 strncmp(message, "Error", 5) == 0) {
8563 if (StrStr(message, "name") ||
8564 StrStr(message, "rating") || StrStr(message, "?") ||
8565 StrStr(message, "result") || StrStr(message, "board") ||
8566 StrStr(message, "bk") || StrStr(message, "computer") ||
8567 StrStr(message, "variant") || StrStr(message, "hint") ||
8568 StrStr(message, "random") || StrStr(message, "depth") ||
8569 StrStr(message, "accepted")) {
8572 if (StrStr(message, "protover")) {
8573 /* Program is responding to input, so it's apparently done
8574 initializing, and this error message indicates it is
8575 protocol version 1. So we don't need to wait any longer
8576 for it to initialize and send feature commands. */
8577 FeatureDone(cps, 1);
8578 cps->protocolVersion = 1;
8581 cps->maybeThinking = FALSE;
8583 if (StrStr(message, "draw")) {
8584 /* Program doesn't have "draw" command */
8585 cps->sendDrawOffers = 0;
8588 if (cps->sendTime != 1 &&
8589 (StrStr(message, "time") || StrStr(message, "otim"))) {
8590 /* Program apparently doesn't have "time" or "otim" command */
8594 if (StrStr(message, "analyze")) {
8595 cps->analysisSupport = FALSE;
8596 cps->analyzing = FALSE;
8597 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8598 EditGameEvent(); // [HGM] try to preserve loaded game
8599 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8600 DisplayError(buf2, 0);
8603 if (StrStr(message, "(no matching move)st")) {
8604 /* Special kludge for GNU Chess 4 only */
8605 cps->stKludge = TRUE;
8606 SendTimeControl(cps, movesPerSession, timeControl,
8607 timeIncrement, appData.searchDepth,
8611 if (StrStr(message, "(no matching move)sd")) {
8612 /* Special kludge for GNU Chess 4 only */
8613 cps->sdKludge = TRUE;
8614 SendTimeControl(cps, movesPerSession, timeControl,
8615 timeIncrement, appData.searchDepth,
8619 if (!StrStr(message, "llegal")) {
8622 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8623 gameMode == IcsIdle) return;
8624 if (forwardMostMove <= backwardMostMove) return;
8625 if (pausing) PauseEvent();
8626 if(appData.forceIllegal) {
8627 // [HGM] illegal: machine refused move; force position after move into it
8628 SendToProgram("force\n", cps);
8629 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8630 // we have a real problem now, as SendBoard will use the a2a3 kludge
8631 // when black is to move, while there might be nothing on a2 or black
8632 // might already have the move. So send the board as if white has the move.
8633 // But first we must change the stm of the engine, as it refused the last move
8634 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8635 if(WhiteOnMove(forwardMostMove)) {
8636 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8637 SendBoard(cps, forwardMostMove); // kludgeless board
8639 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8640 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8641 SendBoard(cps, forwardMostMove+1); // kludgeless board
8643 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8644 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8645 gameMode == TwoMachinesPlay)
8646 SendToProgram("go\n", cps);
8649 if (gameMode == PlayFromGameFile) {
8650 /* Stop reading this game file */
8651 gameMode = EditGame;
8654 /* [HGM] illegal-move claim should forfeit game when Xboard */
8655 /* only passes fully legal moves */
8656 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8657 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8658 "False illegal-move claim", GE_XBOARD );
8659 return; // do not take back move we tested as valid
8661 currentMove = forwardMostMove-1;
8662 DisplayMove(currentMove-1); /* before DisplayMoveError */
8663 SwitchClocks(forwardMostMove-1); // [HGM] race
8664 DisplayBothClocks();
8665 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8666 parseList[currentMove], _(cps->which));
8667 DisplayMoveError(buf1);
8668 DrawPosition(FALSE, boards[currentMove]);
8670 SetUserThinkingEnables();
8673 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8674 /* Program has a broken "time" command that
8675 outputs a string not ending in newline.
8681 * If chess program startup fails, exit with an error message.
8682 * Attempts to recover here are futile. [HGM] Well, we try anyway
8684 if ((StrStr(message, "unknown host") != NULL)
8685 || (StrStr(message, "No remote directory") != NULL)
8686 || (StrStr(message, "not found") != NULL)
8687 || (StrStr(message, "No such file") != NULL)
8688 || (StrStr(message, "can't alloc") != NULL)
8689 || (StrStr(message, "Permission denied") != NULL)) {
8691 cps->maybeThinking = FALSE;
8692 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8693 _(cps->which), cps->program, cps->host, message);
8694 RemoveInputSource(cps->isr);
8695 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8696 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8697 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8703 * Look for hint output
8705 if (sscanf(message, "Hint: %s", buf1) == 1) {
8706 if (cps == &first && hintRequested) {
8707 hintRequested = FALSE;
8708 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8709 &fromX, &fromY, &toX, &toY, &promoChar)) {
8710 (void) CoordsToAlgebraic(boards[forwardMostMove],
8711 PosFlags(forwardMostMove),
8712 fromY, fromX, toY, toX, promoChar, buf1);
8713 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8714 DisplayInformation(buf2);
8716 /* Hint move could not be parsed!? */
8717 snprintf(buf2, sizeof(buf2),
8718 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8719 buf1, _(cps->which));
8720 DisplayError(buf2, 0);
8723 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8729 * Ignore other messages if game is not in progress
8731 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8732 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8735 * look for win, lose, draw, or draw offer
8737 if (strncmp(message, "1-0", 3) == 0) {
8738 char *p, *q, *r = "";
8739 p = strchr(message, '{');
8747 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8749 } else if (strncmp(message, "0-1", 3) == 0) {
8750 char *p, *q, *r = "";
8751 p = strchr(message, '{');
8759 /* Kludge for Arasan 4.1 bug */
8760 if (strcmp(r, "Black resigns") == 0) {
8761 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8764 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8766 } else if (strncmp(message, "1/2", 3) == 0) {
8767 char *p, *q, *r = "";
8768 p = strchr(message, '{');
8777 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8780 } else if (strncmp(message, "White resign", 12) == 0) {
8781 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8783 } else if (strncmp(message, "Black resign", 12) == 0) {
8784 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8786 } else if (strncmp(message, "White matches", 13) == 0 ||
8787 strncmp(message, "Black matches", 13) == 0 ) {
8788 /* [HGM] ignore GNUShogi noises */
8790 } else if (strncmp(message, "White", 5) == 0 &&
8791 message[5] != '(' &&
8792 StrStr(message, "Black") == NULL) {
8793 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8795 } else if (strncmp(message, "Black", 5) == 0 &&
8796 message[5] != '(') {
8797 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8799 } else if (strcmp(message, "resign") == 0 ||
8800 strcmp(message, "computer resigns") == 0) {
8802 case MachinePlaysBlack:
8803 case IcsPlayingBlack:
8804 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8806 case MachinePlaysWhite:
8807 case IcsPlayingWhite:
8808 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8810 case TwoMachinesPlay:
8811 if (cps->twoMachinesColor[0] == 'w')
8812 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8814 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8821 } else if (strncmp(message, "opponent mates", 14) == 0) {
8823 case MachinePlaysBlack:
8824 case IcsPlayingBlack:
8825 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8827 case MachinePlaysWhite:
8828 case IcsPlayingWhite:
8829 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8831 case TwoMachinesPlay:
8832 if (cps->twoMachinesColor[0] == 'w')
8833 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8835 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8842 } else if (strncmp(message, "computer mates", 14) == 0) {
8844 case MachinePlaysBlack:
8845 case IcsPlayingBlack:
8846 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8848 case MachinePlaysWhite:
8849 case IcsPlayingWhite:
8850 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8852 case TwoMachinesPlay:
8853 if (cps->twoMachinesColor[0] == 'w')
8854 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8856 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8863 } else if (strncmp(message, "checkmate", 9) == 0) {
8864 if (WhiteOnMove(forwardMostMove)) {
8865 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8867 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8870 } else if (strstr(message, "Draw") != NULL ||
8871 strstr(message, "game is a draw") != NULL) {
8872 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8874 } else if (strstr(message, "offer") != NULL &&
8875 strstr(message, "draw") != NULL) {
8877 if (appData.zippyPlay && first.initDone) {
8878 /* Relay offer to ICS */
8879 SendToICS(ics_prefix);
8880 SendToICS("draw\n");
8883 cps->offeredDraw = 2; /* valid until this engine moves twice */
8884 if (gameMode == TwoMachinesPlay) {
8885 if (cps->other->offeredDraw) {
8886 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8887 /* [HGM] in two-machine mode we delay relaying draw offer */
8888 /* until after we also have move, to see if it is really claim */
8890 } else if (gameMode == MachinePlaysWhite ||
8891 gameMode == MachinePlaysBlack) {
8892 if (userOfferedDraw) {
8893 DisplayInformation(_("Machine accepts your draw offer"));
8894 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8896 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8903 * Look for thinking output
8905 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8906 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8908 int plylev, mvleft, mvtot, curscore, time;
8909 char mvname[MOVE_LEN];
8913 int prefixHint = FALSE;
8914 mvname[0] = NULLCHAR;
8917 case MachinePlaysBlack:
8918 case IcsPlayingBlack:
8919 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8921 case MachinePlaysWhite:
8922 case IcsPlayingWhite:
8923 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8928 case IcsObserving: /* [DM] icsEngineAnalyze */
8929 if (!appData.icsEngineAnalyze) ignore = TRUE;
8931 case TwoMachinesPlay:
8932 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8942 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8944 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8945 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8947 if (plyext != ' ' && plyext != '\t') {
8951 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8952 if( cps->scoreIsAbsolute &&
8953 ( gameMode == MachinePlaysBlack ||
8954 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8955 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8956 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8957 !WhiteOnMove(currentMove)
8960 curscore = -curscore;
8963 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8965 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8968 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8969 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8970 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8971 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8972 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8973 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8975 } else DisplayError(_("failed writing PV"), 0);
8978 tempStats.depth = plylev;
8979 tempStats.nodes = nodes;
8980 tempStats.time = time;
8981 tempStats.score = curscore;
8982 tempStats.got_only_move = 0;
8984 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8987 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8988 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8989 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8990 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8991 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8992 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8993 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8994 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8997 /* Buffer overflow protection */
8998 if (pv[0] != NULLCHAR) {
8999 if (strlen(pv) >= sizeof(tempStats.movelist)
9000 && appData.debugMode) {
9002 "PV is too long; using the first %u bytes.\n",
9003 (unsigned) sizeof(tempStats.movelist) - 1);
9006 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9008 sprintf(tempStats.movelist, " no PV\n");
9011 if (tempStats.seen_stat) {
9012 tempStats.ok_to_send = 1;
9015 if (strchr(tempStats.movelist, '(') != NULL) {
9016 tempStats.line_is_book = 1;
9017 tempStats.nr_moves = 0;
9018 tempStats.moves_left = 0;
9020 tempStats.line_is_book = 0;
9023 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9024 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9026 SendProgramStatsToFrontend( cps, &tempStats );
9029 [AS] Protect the thinkOutput buffer from overflow... this
9030 is only useful if buf1 hasn't overflowed first!
9032 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9034 (gameMode == TwoMachinesPlay ?
9035 ToUpper(cps->twoMachinesColor[0]) : ' '),
9036 ((double) curscore) / 100.0,
9037 prefixHint ? lastHint : "",
9038 prefixHint ? " " : "" );
9040 if( buf1[0] != NULLCHAR ) {
9041 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9043 if( strlen(pv) > max_len ) {
9044 if( appData.debugMode) {
9045 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9047 pv[max_len+1] = '\0';
9050 strcat( thinkOutput, pv);
9053 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9054 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9055 DisplayMove(currentMove - 1);
9059 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9060 /* crafty (9.25+) says "(only move) <move>"
9061 * if there is only 1 legal move
9063 sscanf(p, "(only move) %s", buf1);
9064 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9065 sprintf(programStats.movelist, "%s (only move)", buf1);
9066 programStats.depth = 1;
9067 programStats.nr_moves = 1;
9068 programStats.moves_left = 1;
9069 programStats.nodes = 1;
9070 programStats.time = 1;
9071 programStats.got_only_move = 1;
9073 /* Not really, but we also use this member to
9074 mean "line isn't going to change" (Crafty
9075 isn't searching, so stats won't change) */
9076 programStats.line_is_book = 1;
9078 SendProgramStatsToFrontend( cps, &programStats );
9080 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9081 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9082 DisplayMove(currentMove - 1);
9085 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9086 &time, &nodes, &plylev, &mvleft,
9087 &mvtot, mvname) >= 5) {
9088 /* The stat01: line is from Crafty (9.29+) in response
9089 to the "." command */
9090 programStats.seen_stat = 1;
9091 cps->maybeThinking = TRUE;
9093 if (programStats.got_only_move || !appData.periodicUpdates)
9096 programStats.depth = plylev;
9097 programStats.time = time;
9098 programStats.nodes = nodes;
9099 programStats.moves_left = mvleft;
9100 programStats.nr_moves = mvtot;
9101 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9102 programStats.ok_to_send = 1;
9103 programStats.movelist[0] = '\0';
9105 SendProgramStatsToFrontend( cps, &programStats );
9109 } else if (strncmp(message,"++",2) == 0) {
9110 /* Crafty 9.29+ outputs this */
9111 programStats.got_fail = 2;
9114 } else if (strncmp(message,"--",2) == 0) {
9115 /* Crafty 9.29+ outputs this */
9116 programStats.got_fail = 1;
9119 } else if (thinkOutput[0] != NULLCHAR &&
9120 strncmp(message, " ", 4) == 0) {
9121 unsigned message_len;
9124 while (*p && *p == ' ') p++;
9126 message_len = strlen( p );
9128 /* [AS] Avoid buffer overflow */
9129 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9130 strcat(thinkOutput, " ");
9131 strcat(thinkOutput, p);
9134 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9135 strcat(programStats.movelist, " ");
9136 strcat(programStats.movelist, p);
9139 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9140 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9141 DisplayMove(currentMove - 1);
9149 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9150 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9152 ChessProgramStats cpstats;
9154 if (plyext != ' ' && plyext != '\t') {
9158 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9159 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9160 curscore = -curscore;
9163 cpstats.depth = plylev;
9164 cpstats.nodes = nodes;
9165 cpstats.time = time;
9166 cpstats.score = curscore;
9167 cpstats.got_only_move = 0;
9168 cpstats.movelist[0] = '\0';
9170 if (buf1[0] != NULLCHAR) {
9171 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9174 cpstats.ok_to_send = 0;
9175 cpstats.line_is_book = 0;
9176 cpstats.nr_moves = 0;
9177 cpstats.moves_left = 0;
9179 SendProgramStatsToFrontend( cps, &cpstats );
9186 /* Parse a game score from the character string "game", and
9187 record it as the history of the current game. The game
9188 score is NOT assumed to start from the standard position.
9189 The display is not updated in any way.
9192 ParseGameHistory (char *game)
9195 int fromX, fromY, toX, toY, boardIndex;
9200 if (appData.debugMode)
9201 fprintf(debugFP, "Parsing game history: %s\n", game);
9203 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9204 gameInfo.site = StrSave(appData.icsHost);
9205 gameInfo.date = PGNDate();
9206 gameInfo.round = StrSave("-");
9208 /* Parse out names of players */
9209 while (*game == ' ') game++;
9211 while (*game != ' ') *p++ = *game++;
9213 gameInfo.white = StrSave(buf);
9214 while (*game == ' ') game++;
9216 while (*game != ' ' && *game != '\n') *p++ = *game++;
9218 gameInfo.black = StrSave(buf);
9221 boardIndex = blackPlaysFirst ? 1 : 0;
9224 yyboardindex = boardIndex;
9225 moveType = (ChessMove) Myylex();
9227 case IllegalMove: /* maybe suicide chess, etc. */
9228 if (appData.debugMode) {
9229 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9230 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9231 setbuf(debugFP, NULL);
9233 case WhitePromotion:
9234 case BlackPromotion:
9235 case WhiteNonPromotion:
9236 case BlackNonPromotion:
9238 case WhiteCapturesEnPassant:
9239 case BlackCapturesEnPassant:
9240 case WhiteKingSideCastle:
9241 case WhiteQueenSideCastle:
9242 case BlackKingSideCastle:
9243 case BlackQueenSideCastle:
9244 case WhiteKingSideCastleWild:
9245 case WhiteQueenSideCastleWild:
9246 case BlackKingSideCastleWild:
9247 case BlackQueenSideCastleWild:
9249 case WhiteHSideCastleFR:
9250 case WhiteASideCastleFR:
9251 case BlackHSideCastleFR:
9252 case BlackASideCastleFR:
9254 fromX = currentMoveString[0] - AAA;
9255 fromY = currentMoveString[1] - ONE;
9256 toX = currentMoveString[2] - AAA;
9257 toY = currentMoveString[3] - ONE;
9258 promoChar = currentMoveString[4];
9262 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9263 fromX = moveType == WhiteDrop ?
9264 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9265 (int) CharToPiece(ToLower(currentMoveString[0]));
9267 toX = currentMoveString[2] - AAA;
9268 toY = currentMoveString[3] - ONE;
9269 promoChar = NULLCHAR;
9273 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9274 if (appData.debugMode) {
9275 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9276 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9277 setbuf(debugFP, NULL);
9279 DisplayError(buf, 0);
9281 case ImpossibleMove:
9283 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9284 if (appData.debugMode) {
9285 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9286 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9287 setbuf(debugFP, NULL);
9289 DisplayError(buf, 0);
9292 if (boardIndex < backwardMostMove) {
9293 /* Oops, gap. How did that happen? */
9294 DisplayError(_("Gap in move list"), 0);
9297 backwardMostMove = blackPlaysFirst ? 1 : 0;
9298 if (boardIndex > forwardMostMove) {
9299 forwardMostMove = boardIndex;
9303 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9304 strcat(parseList[boardIndex-1], " ");
9305 strcat(parseList[boardIndex-1], yy_text);
9317 case GameUnfinished:
9318 if (gameMode == IcsExamining) {
9319 if (boardIndex < backwardMostMove) {
9320 /* Oops, gap. How did that happen? */
9323 backwardMostMove = blackPlaysFirst ? 1 : 0;
9326 gameInfo.result = moveType;
9327 p = strchr(yy_text, '{');
9328 if (p == NULL) p = strchr(yy_text, '(');
9331 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9333 q = strchr(p, *p == '{' ? '}' : ')');
9334 if (q != NULL) *q = NULLCHAR;
9337 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9338 gameInfo.resultDetails = StrSave(p);
9341 if (boardIndex >= forwardMostMove &&
9342 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9343 backwardMostMove = blackPlaysFirst ? 1 : 0;
9346 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9347 fromY, fromX, toY, toX, promoChar,
9348 parseList[boardIndex]);
9349 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9350 /* currentMoveString is set as a side-effect of yylex */
9351 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9352 strcat(moveList[boardIndex], "\n");
9354 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9355 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9361 if(gameInfo.variant != VariantShogi)
9362 strcat(parseList[boardIndex - 1], "+");
9366 strcat(parseList[boardIndex - 1], "#");
9373 /* Apply a move to the given board */
9375 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9377 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9378 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9380 /* [HGM] compute & store e.p. status and castling rights for new position */
9381 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9383 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9384 oldEP = (signed char)board[EP_STATUS];
9385 board[EP_STATUS] = EP_NONE;
9387 if (fromY == DROP_RANK) {
9389 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9390 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9393 piece = board[toY][toX] = (ChessSquare) fromX;
9397 if( board[toY][toX] != EmptySquare )
9398 board[EP_STATUS] = EP_CAPTURE;
9400 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9401 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9402 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9404 if( board[fromY][fromX] == WhitePawn ) {
9405 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9406 board[EP_STATUS] = EP_PAWN_MOVE;
9408 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9409 gameInfo.variant != VariantBerolina || toX < fromX)
9410 board[EP_STATUS] = toX | berolina;
9411 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9412 gameInfo.variant != VariantBerolina || toX > fromX)
9413 board[EP_STATUS] = toX;
9416 if( board[fromY][fromX] == BlackPawn ) {
9417 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9418 board[EP_STATUS] = EP_PAWN_MOVE;
9419 if( toY-fromY== -2) {
9420 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9421 gameInfo.variant != VariantBerolina || toX < fromX)
9422 board[EP_STATUS] = toX | berolina;
9423 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9424 gameInfo.variant != VariantBerolina || toX > fromX)
9425 board[EP_STATUS] = toX;
9429 for(i=0; i<nrCastlingRights; i++) {
9430 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9431 board[CASTLING][i] == toX && castlingRank[i] == toY
9432 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9435 if(gameInfo.variant == VariantSChess) { // update virginity
9436 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9437 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9438 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9439 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9442 if (fromX == toX && fromY == toY) return;
9444 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9445 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9446 if(gameInfo.variant == VariantKnightmate)
9447 king += (int) WhiteUnicorn - (int) WhiteKing;
9449 /* Code added by Tord: */
9450 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9451 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9452 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9453 board[fromY][fromX] = EmptySquare;
9454 board[toY][toX] = EmptySquare;
9455 if((toX > fromX) != (piece == WhiteRook)) {
9456 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9458 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9460 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9461 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9462 board[fromY][fromX] = EmptySquare;
9463 board[toY][toX] = EmptySquare;
9464 if((toX > fromX) != (piece == BlackRook)) {
9465 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9467 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9469 /* End of code added by Tord */
9471 } else if (board[fromY][fromX] == king
9472 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9473 && toY == fromY && toX > fromX+1) {
9474 board[fromY][fromX] = EmptySquare;
9475 board[toY][toX] = king;
9476 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9477 board[fromY][BOARD_RGHT-1] = EmptySquare;
9478 } else if (board[fromY][fromX] == king
9479 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9480 && toY == fromY && toX < fromX-1) {
9481 board[fromY][fromX] = EmptySquare;
9482 board[toY][toX] = king;
9483 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9484 board[fromY][BOARD_LEFT] = EmptySquare;
9485 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9486 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9487 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9489 /* white pawn promotion */
9490 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9491 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9492 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9493 board[fromY][fromX] = EmptySquare;
9494 } else if ((fromY >= BOARD_HEIGHT>>1)
9495 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9497 && gameInfo.variant != VariantXiangqi
9498 && gameInfo.variant != VariantBerolina
9499 && (board[fromY][fromX] == WhitePawn)
9500 && (board[toY][toX] == EmptySquare)) {
9501 board[fromY][fromX] = EmptySquare;
9502 board[toY][toX] = WhitePawn;
9503 captured = board[toY - 1][toX];
9504 board[toY - 1][toX] = EmptySquare;
9505 } else if ((fromY == BOARD_HEIGHT-4)
9507 && gameInfo.variant == VariantBerolina
9508 && (board[fromY][fromX] == WhitePawn)
9509 && (board[toY][toX] == EmptySquare)) {
9510 board[fromY][fromX] = EmptySquare;
9511 board[toY][toX] = WhitePawn;
9512 if(oldEP & EP_BEROLIN_A) {
9513 captured = board[fromY][fromX-1];
9514 board[fromY][fromX-1] = EmptySquare;
9515 }else{ captured = board[fromY][fromX+1];
9516 board[fromY][fromX+1] = EmptySquare;
9518 } else if (board[fromY][fromX] == king
9519 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9520 && toY == fromY && toX > fromX+1) {
9521 board[fromY][fromX] = EmptySquare;
9522 board[toY][toX] = king;
9523 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9524 board[fromY][BOARD_RGHT-1] = EmptySquare;
9525 } else if (board[fromY][fromX] == king
9526 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9527 && toY == fromY && toX < fromX-1) {
9528 board[fromY][fromX] = EmptySquare;
9529 board[toY][toX] = king;
9530 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9531 board[fromY][BOARD_LEFT] = EmptySquare;
9532 } else if (fromY == 7 && fromX == 3
9533 && board[fromY][fromX] == BlackKing
9534 && toY == 7 && toX == 5) {
9535 board[fromY][fromX] = EmptySquare;
9536 board[toY][toX] = BlackKing;
9537 board[fromY][7] = EmptySquare;
9538 board[toY][4] = BlackRook;
9539 } else if (fromY == 7 && fromX == 3
9540 && board[fromY][fromX] == BlackKing
9541 && toY == 7 && toX == 1) {
9542 board[fromY][fromX] = EmptySquare;
9543 board[toY][toX] = BlackKing;
9544 board[fromY][0] = EmptySquare;
9545 board[toY][2] = BlackRook;
9546 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9547 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9548 && toY < promoRank && promoChar
9550 /* black pawn promotion */
9551 board[toY][toX] = CharToPiece(ToLower(promoChar));
9552 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9553 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9554 board[fromY][fromX] = EmptySquare;
9555 } else if ((fromY < BOARD_HEIGHT>>1)
9556 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9558 && gameInfo.variant != VariantXiangqi
9559 && gameInfo.variant != VariantBerolina
9560 && (board[fromY][fromX] == BlackPawn)
9561 && (board[toY][toX] == EmptySquare)) {
9562 board[fromY][fromX] = EmptySquare;
9563 board[toY][toX] = BlackPawn;
9564 captured = board[toY + 1][toX];
9565 board[toY + 1][toX] = EmptySquare;
9566 } else if ((fromY == 3)
9568 && gameInfo.variant == VariantBerolina
9569 && (board[fromY][fromX] == BlackPawn)
9570 && (board[toY][toX] == EmptySquare)) {
9571 board[fromY][fromX] = EmptySquare;
9572 board[toY][toX] = BlackPawn;
9573 if(oldEP & EP_BEROLIN_A) {
9574 captured = board[fromY][fromX-1];
9575 board[fromY][fromX-1] = EmptySquare;
9576 }else{ captured = board[fromY][fromX+1];
9577 board[fromY][fromX+1] = EmptySquare;
9580 board[toY][toX] = board[fromY][fromX];
9581 board[fromY][fromX] = EmptySquare;
9585 if (gameInfo.holdingsWidth != 0) {
9587 /* !!A lot more code needs to be written to support holdings */
9588 /* [HGM] OK, so I have written it. Holdings are stored in the */
9589 /* penultimate board files, so they are automaticlly stored */
9590 /* in the game history. */
9591 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9592 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9593 /* Delete from holdings, by decreasing count */
9594 /* and erasing image if necessary */
9595 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9596 if(p < (int) BlackPawn) { /* white drop */
9597 p -= (int)WhitePawn;
9598 p = PieceToNumber((ChessSquare)p);
9599 if(p >= gameInfo.holdingsSize) p = 0;
9600 if(--board[p][BOARD_WIDTH-2] <= 0)
9601 board[p][BOARD_WIDTH-1] = EmptySquare;
9602 if((int)board[p][BOARD_WIDTH-2] < 0)
9603 board[p][BOARD_WIDTH-2] = 0;
9604 } else { /* black drop */
9605 p -= (int)BlackPawn;
9606 p = PieceToNumber((ChessSquare)p);
9607 if(p >= gameInfo.holdingsSize) p = 0;
9608 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9609 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9610 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9611 board[BOARD_HEIGHT-1-p][1] = 0;
9614 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9615 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9616 /* [HGM] holdings: Add to holdings, if holdings exist */
9617 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9618 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9619 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9622 if (p >= (int) BlackPawn) {
9623 p -= (int)BlackPawn;
9624 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9625 /* in Shogi restore piece to its original first */
9626 captured = (ChessSquare) (DEMOTED captured);
9629 p = PieceToNumber((ChessSquare)p);
9630 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9631 board[p][BOARD_WIDTH-2]++;
9632 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9634 p -= (int)WhitePawn;
9635 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9636 captured = (ChessSquare) (DEMOTED captured);
9639 p = PieceToNumber((ChessSquare)p);
9640 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9641 board[BOARD_HEIGHT-1-p][1]++;
9642 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9645 } else if (gameInfo.variant == VariantAtomic) {
9646 if (captured != EmptySquare) {
9648 for (y = toY-1; y <= toY+1; y++) {
9649 for (x = toX-1; x <= toX+1; x++) {
9650 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9651 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9652 board[y][x] = EmptySquare;
9656 board[toY][toX] = EmptySquare;
9659 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9660 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9662 if(promoChar == '+') {
9663 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9664 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9665 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9666 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9667 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9668 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9669 board[toY][toX] = newPiece;
9671 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9672 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9673 // [HGM] superchess: take promotion piece out of holdings
9674 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9675 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9676 if(!--board[k][BOARD_WIDTH-2])
9677 board[k][BOARD_WIDTH-1] = EmptySquare;
9679 if(!--board[BOARD_HEIGHT-1-k][1])
9680 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9686 /* Updates forwardMostMove */
9688 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9690 // forwardMostMove++; // [HGM] bare: moved downstream
9692 (void) CoordsToAlgebraic(boards[forwardMostMove],
9693 PosFlags(forwardMostMove),
9694 fromY, fromX, toY, toX, promoChar,
9695 parseList[forwardMostMove]);
9697 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9698 int timeLeft; static int lastLoadFlag=0; int king, piece;
9699 piece = boards[forwardMostMove][fromY][fromX];
9700 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9701 if(gameInfo.variant == VariantKnightmate)
9702 king += (int) WhiteUnicorn - (int) WhiteKing;
9703 if(forwardMostMove == 0) {
9704 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9705 fprintf(serverMoves, "%s;", UserName());
9706 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9707 fprintf(serverMoves, "%s;", second.tidy);
9708 fprintf(serverMoves, "%s;", first.tidy);
9709 if(gameMode == MachinePlaysWhite)
9710 fprintf(serverMoves, "%s;", UserName());
9711 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9712 fprintf(serverMoves, "%s;", second.tidy);
9713 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9714 lastLoadFlag = loadFlag;
9716 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9717 // print castling suffix
9718 if( toY == fromY && piece == king ) {
9720 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9722 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9725 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9726 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9727 boards[forwardMostMove][toY][toX] == EmptySquare
9728 && fromX != toX && fromY != toY)
9729 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9731 if(promoChar != NULLCHAR) {
9732 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9733 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9734 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9735 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9738 char buf[MOVE_LEN*2], *p; int len;
9739 fprintf(serverMoves, "/%d/%d",
9740 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9741 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9742 else timeLeft = blackTimeRemaining/1000;
9743 fprintf(serverMoves, "/%d", timeLeft);
9744 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9745 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9746 if(p = strchr(buf, '=')) *p = NULLCHAR;
9747 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9748 fprintf(serverMoves, "/%s", buf);
9750 fflush(serverMoves);
9753 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9754 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9757 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9758 if (commentList[forwardMostMove+1] != NULL) {
9759 free(commentList[forwardMostMove+1]);
9760 commentList[forwardMostMove+1] = NULL;
9762 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9763 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9764 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9765 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9766 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9767 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9768 adjustedClock = FALSE;
9769 gameInfo.result = GameUnfinished;
9770 if (gameInfo.resultDetails != NULL) {
9771 free(gameInfo.resultDetails);
9772 gameInfo.resultDetails = NULL;
9774 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9775 moveList[forwardMostMove - 1]);
9776 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9782 if(gameInfo.variant != VariantShogi)
9783 strcat(parseList[forwardMostMove - 1], "+");
9787 strcat(parseList[forwardMostMove - 1], "#");
9793 /* Updates currentMove if not pausing */
9795 ShowMove (int fromX, int fromY, int toX, int toY)
9797 int instant = (gameMode == PlayFromGameFile) ?
9798 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9799 if(appData.noGUI) return;
9800 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9802 if (forwardMostMove == currentMove + 1) {
9803 AnimateMove(boards[forwardMostMove - 1],
9804 fromX, fromY, toX, toY);
9807 currentMove = forwardMostMove;
9810 if (instant) return;
9812 DisplayMove(currentMove - 1);
9813 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9814 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9815 SetHighlights(fromX, fromY, toX, toY);
9818 DrawPosition(FALSE, boards[currentMove]);
9819 DisplayBothClocks();
9820 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9824 SendEgtPath (ChessProgramState *cps)
9825 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9826 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9828 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9831 char c, *q = name+1, *r, *s;
9833 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9834 while(*p && *p != ',') *q++ = *p++;
9836 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9837 strcmp(name, ",nalimov:") == 0 ) {
9838 // take nalimov path from the menu-changeable option first, if it is defined
9839 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9840 SendToProgram(buf,cps); // send egtbpath command for nalimov
9842 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9843 (s = StrStr(appData.egtFormats, name)) != NULL) {
9844 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9845 s = r = StrStr(s, ":") + 1; // beginning of path info
9846 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9847 c = *r; *r = 0; // temporarily null-terminate path info
9848 *--q = 0; // strip of trailig ':' from name
9849 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9851 SendToProgram(buf,cps); // send egtbpath command for this format
9853 if(*p == ',') p++; // read away comma to position for next format name
9858 NonStandardBoardSize ()
9860 /* [HGM] Awkward testing. Should really be a table */
9861 int overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9862 if( gameInfo.variant == VariantXiangqi )
9863 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9864 if( gameInfo.variant == VariantShogi )
9865 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9866 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9867 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9868 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9869 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9870 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9871 if( gameInfo.variant == VariantCourier )
9872 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9873 if( gameInfo.variant == VariantSuper )
9874 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9875 if( gameInfo.variant == VariantGreat )
9876 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9877 if( gameInfo.variant == VariantSChess )
9878 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9879 if( gameInfo.variant == VariantGrand )
9880 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9885 InitChessProgram (ChessProgramState *cps, int setup)
9886 /* setup needed to setup FRC opening position */
9888 char buf[MSG_SIZ], b[MSG_SIZ];
9889 if (appData.noChessProgram) return;
9890 hintRequested = FALSE;
9891 bookRequested = FALSE;
9893 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9894 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9895 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9896 if(cps->memSize) { /* [HGM] memory */
9897 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9898 SendToProgram(buf, cps);
9900 SendEgtPath(cps); /* [HGM] EGT */
9901 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9902 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9903 SendToProgram(buf, cps);
9906 SendToProgram(cps->initString, cps);
9907 if (gameInfo.variant != VariantNormal &&
9908 gameInfo.variant != VariantLoadable
9909 /* [HGM] also send variant if board size non-standard */
9910 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9912 char *v = VariantName(gameInfo.variant);
9913 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9914 /* [HGM] in protocol 1 we have to assume all variants valid */
9915 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9916 DisplayFatalError(buf, 0, 1);
9920 if(NonStandardBoardSize()) { /* [HGM] make prefix for non-standard board size. */
9921 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9922 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9923 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9924 if(StrStr(cps->variants, b) == NULL) {
9925 // specific sized variant not known, check if general sizing allowed
9926 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9927 if(StrStr(cps->variants, "boardsize") == NULL) {
9928 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9929 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9930 DisplayFatalError(buf, 0, 1);
9933 /* [HGM] here we really should compare with the maximum supported board size */
9936 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9937 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9938 SendToProgram(buf, cps);
9940 currentlyInitializedVariant = gameInfo.variant;
9942 /* [HGM] send opening position in FRC to first engine */
9944 SendToProgram("force\n", cps);
9946 /* engine is now in force mode! Set flag to wake it up after first move. */
9947 setboardSpoiledMachineBlack = 1;
9951 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9952 SendToProgram(buf, cps);
9954 cps->maybeThinking = FALSE;
9955 cps->offeredDraw = 0;
9956 if (!appData.icsActive) {
9957 SendTimeControl(cps, movesPerSession, timeControl,
9958 timeIncrement, appData.searchDepth,
9961 if (appData.showThinking
9962 // [HGM] thinking: four options require thinking output to be sent
9963 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9965 SendToProgram("post\n", cps);
9967 SendToProgram("hard\n", cps);
9968 if (!appData.ponderNextMove) {
9969 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9970 it without being sure what state we are in first. "hard"
9971 is not a toggle, so that one is OK.
9973 SendToProgram("easy\n", cps);
9976 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9977 SendToProgram(buf, cps);
9979 cps->initDone = TRUE;
9980 ClearEngineOutputPane(cps == &second);
9985 ResendOptions (ChessProgramState *cps)
9986 { // send the stored value of the options
9989 Option *opt = cps->option;
9990 for(i=0; i<cps->nrOptions; i++, opt++) {
9995 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
9998 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10001 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10007 SendToProgram(buf, cps);
10012 StartChessProgram (ChessProgramState *cps)
10017 if (appData.noChessProgram) return;
10018 cps->initDone = FALSE;
10020 if (strcmp(cps->host, "localhost") == 0) {
10021 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10022 } else if (*appData.remoteShell == NULLCHAR) {
10023 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10025 if (*appData.remoteUser == NULLCHAR) {
10026 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10029 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10030 cps->host, appData.remoteUser, cps->program);
10032 err = StartChildProcess(buf, "", &cps->pr);
10036 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10037 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10038 if(cps != &first) return;
10039 appData.noChessProgram = TRUE;
10042 // DisplayFatalError(buf, err, 1);
10043 // cps->pr = NoProc;
10044 // cps->isr = NULL;
10048 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10049 if (cps->protocolVersion > 1) {
10050 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10051 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10052 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10053 cps->comboCnt = 0; // and values of combo boxes
10055 SendToProgram(buf, cps);
10056 if(cps->reload) ResendOptions(cps);
10058 SendToProgram("xboard\n", cps);
10063 TwoMachinesEventIfReady P((void))
10065 static int curMess = 0;
10066 if (first.lastPing != first.lastPong) {
10067 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10068 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10071 if (second.lastPing != second.lastPong) {
10072 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10073 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10076 DisplayMessage("", ""); curMess = 0;
10077 TwoMachinesEvent();
10081 MakeName (char *template)
10085 static char buf[MSG_SIZ];
10089 clock = time((time_t *)NULL);
10090 tm = localtime(&clock);
10092 while(*p++ = *template++) if(p[-1] == '%') {
10093 switch(*template++) {
10094 case 0: *p = 0; return buf;
10095 case 'Y': i = tm->tm_year+1900; break;
10096 case 'y': i = tm->tm_year-100; break;
10097 case 'M': i = tm->tm_mon+1; break;
10098 case 'd': i = tm->tm_mday; break;
10099 case 'h': i = tm->tm_hour; break;
10100 case 'm': i = tm->tm_min; break;
10101 case 's': i = tm->tm_sec; break;
10104 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10110 CountPlayers (char *p)
10113 while(p = strchr(p, '\n')) p++, n++; // count participants
10118 WriteTourneyFile (char *results, FILE *f)
10119 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10120 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10121 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10122 // create a file with tournament description
10123 fprintf(f, "-participants {%s}\n", appData.participants);
10124 fprintf(f, "-seedBase %d\n", appData.seedBase);
10125 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10126 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10127 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10128 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10129 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10130 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10131 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10132 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10133 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10134 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10135 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10136 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10137 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10138 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10139 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10140 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10141 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10142 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10143 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10144 fprintf(f, "-smpCores %d\n", appData.smpCores);
10146 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10148 fprintf(f, "-mps %d\n", appData.movesPerSession);
10149 fprintf(f, "-tc %s\n", appData.timeControl);
10150 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10152 fprintf(f, "-results \"%s\"\n", results);
10157 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10160 Substitute (char *participants, int expunge)
10162 int i, changed, changes=0, nPlayers=0;
10163 char *p, *q, *r, buf[MSG_SIZ];
10164 if(participants == NULL) return;
10165 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10166 r = p = participants; q = appData.participants;
10167 while(*p && *p == *q) {
10168 if(*p == '\n') r = p+1, nPlayers++;
10171 if(*p) { // difference
10172 while(*p && *p++ != '\n');
10173 while(*q && *q++ != '\n');
10174 changed = nPlayers;
10175 changes = 1 + (strcmp(p, q) != 0);
10177 if(changes == 1) { // a single engine mnemonic was changed
10178 q = r; while(*q) nPlayers += (*q++ == '\n');
10179 p = buf; while(*r && (*p = *r++) != '\n') p++;
10181 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10182 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10183 if(mnemonic[i]) { // The substitute is valid
10185 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10186 flock(fileno(f), LOCK_EX);
10187 ParseArgsFromFile(f);
10188 fseek(f, 0, SEEK_SET);
10189 FREE(appData.participants); appData.participants = participants;
10190 if(expunge) { // erase results of replaced engine
10191 int len = strlen(appData.results), w, b, dummy;
10192 for(i=0; i<len; i++) {
10193 Pairing(i, nPlayers, &w, &b, &dummy);
10194 if((w == changed || b == changed) && appData.results[i] == '*') {
10195 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10200 for(i=0; i<len; i++) {
10201 Pairing(i, nPlayers, &w, &b, &dummy);
10202 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10205 WriteTourneyFile(appData.results, f);
10206 fclose(f); // release lock
10209 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10211 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10212 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10213 free(participants);
10218 CheckPlayers (char *participants)
10221 char buf[MSG_SIZ], *p;
10222 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10223 while(p = strchr(participants, '\n')) {
10225 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10227 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10229 DisplayError(buf, 0);
10233 participants = p + 1;
10239 CreateTourney (char *name)
10242 if(matchMode && strcmp(name, appData.tourneyFile)) {
10243 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10245 if(name[0] == NULLCHAR) {
10246 if(appData.participants[0])
10247 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10250 f = fopen(name, "r");
10251 if(f) { // file exists
10252 ASSIGN(appData.tourneyFile, name);
10253 ParseArgsFromFile(f); // parse it
10255 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10256 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10257 DisplayError(_("Not enough participants"), 0);
10260 if(CheckPlayers(appData.participants)) return 0;
10261 ASSIGN(appData.tourneyFile, name);
10262 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10263 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10266 appData.noChessProgram = FALSE;
10267 appData.clockMode = TRUE;
10273 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10275 char buf[MSG_SIZ], *p, *q;
10276 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10277 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10278 skip = !all && group[0]; // if group requested, we start in skip mode
10279 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10280 p = names; q = buf; header = 0;
10281 while(*p && *p != '\n') *q++ = *p++;
10283 if(*p == '\n') p++;
10284 if(buf[0] == '#') {
10285 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10286 depth++; // we must be entering a new group
10287 if(all) continue; // suppress printing group headers when complete list requested
10289 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10291 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10292 if(engineList[i]) free(engineList[i]);
10293 engineList[i] = strdup(buf);
10294 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10295 if(engineMnemonic[i]) free(engineMnemonic[i]);
10296 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10298 sscanf(q + 8, "%s", buf + strlen(buf));
10301 engineMnemonic[i] = strdup(buf);
10304 engineList[i] = engineMnemonic[i] = NULL;
10308 // following implemented as macro to avoid type limitations
10309 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10312 SwapEngines (int n)
10313 { // swap settings for first engine and other engine (so far only some selected options)
10318 SWAP(chessProgram, p)
10320 SWAP(hasOwnBookUCI, h)
10321 SWAP(protocolVersion, h)
10323 SWAP(scoreIsAbsolute, h)
10328 SWAP(engOptions, p)
10329 SWAP(engInitString, p)
10330 SWAP(computerString, p)
10332 SWAP(fenOverride, p)
10334 SWAP(accumulateTC, h)
10339 GetEngineLine (char *s, int n)
10343 extern char *icsNames;
10344 if(!s || !*s) return 0;
10345 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10346 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10347 if(!mnemonic[i]) return 0;
10348 if(n == 11) return 1; // just testing if there was a match
10349 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10350 if(n == 1) SwapEngines(n);
10351 ParseArgsFromString(buf);
10352 if(n == 1) SwapEngines(n);
10353 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10354 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10355 ParseArgsFromString(buf);
10361 SetPlayer (int player, char *p)
10362 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10364 char buf[MSG_SIZ], *engineName;
10365 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10366 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10367 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10369 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10370 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10371 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10372 ParseArgsFromString(buf);
10373 } else { // no engine with this nickname is installed!
10374 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10375 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10376 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10378 DisplayError(buf, 0);
10385 char *recentEngines;
10388 RecentEngineEvent (int nr)
10391 // SwapEngines(1); // bump first to second
10392 // ReplaceEngine(&second, 1); // and load it there
10393 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10394 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10395 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10396 ReplaceEngine(&first, 0);
10397 FloatToFront(&appData.recentEngineList, command[n]);
10402 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10403 { // determine players from game number
10404 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10406 if(appData.tourneyType == 0) {
10407 roundsPerCycle = (nPlayers - 1) | 1;
10408 pairingsPerRound = nPlayers / 2;
10409 } else if(appData.tourneyType > 0) {
10410 roundsPerCycle = nPlayers - appData.tourneyType;
10411 pairingsPerRound = appData.tourneyType;
10413 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10414 gamesPerCycle = gamesPerRound * roundsPerCycle;
10415 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10416 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10417 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10418 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10419 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10420 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10422 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10423 if(appData.roundSync) *syncInterval = gamesPerRound;
10425 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10427 if(appData.tourneyType == 0) {
10428 if(curPairing == (nPlayers-1)/2 ) {
10429 *whitePlayer = curRound;
10430 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10432 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10433 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10434 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10435 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10437 } else if(appData.tourneyType > 1) {
10438 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10439 *whitePlayer = curRound + appData.tourneyType;
10440 } else if(appData.tourneyType > 0) {
10441 *whitePlayer = curPairing;
10442 *blackPlayer = curRound + appData.tourneyType;
10445 // take care of white/black alternation per round.
10446 // For cycles and games this is already taken care of by default, derived from matchGame!
10447 return curRound & 1;
10451 NextTourneyGame (int nr, int *swapColors)
10452 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10454 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10456 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10457 tf = fopen(appData.tourneyFile, "r");
10458 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10459 ParseArgsFromFile(tf); fclose(tf);
10460 InitTimeControls(); // TC might be altered from tourney file
10462 nPlayers = CountPlayers(appData.participants); // count participants
10463 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10464 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10467 p = q = appData.results;
10468 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10469 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10470 DisplayMessage(_("Waiting for other game(s)"),"");
10471 waitingForGame = TRUE;
10472 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10475 waitingForGame = FALSE;
10478 if(appData.tourneyType < 0) {
10479 if(nr>=0 && !pairingReceived) {
10481 if(pairing.pr == NoProc) {
10482 if(!appData.pairingEngine[0]) {
10483 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10486 StartChessProgram(&pairing); // starts the pairing engine
10488 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10489 SendToProgram(buf, &pairing);
10490 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10491 SendToProgram(buf, &pairing);
10492 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10494 pairingReceived = 0; // ... so we continue here
10496 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10497 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10498 matchGame = 1; roundNr = nr / syncInterval + 1;
10501 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10503 // redefine engines, engine dir, etc.
10504 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10505 if(first.pr == NoProc) {
10506 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10507 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10509 if(second.pr == NoProc) {
10511 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10512 SwapEngines(1); // and make that valid for second engine by swapping
10513 InitEngine(&second, 1);
10515 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10516 UpdateLogos(FALSE); // leave display to ModeHiglight()
10522 { // performs game initialization that does not invoke engines, and then tries to start the game
10523 int res, firstWhite, swapColors = 0;
10524 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10525 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
10527 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10528 if(strcmp(buf, currentDebugFile)) { // name has changed
10529 FILE *f = fopen(buf, "w");
10530 if(f) { // if opening the new file failed, just keep using the old one
10531 ASSIGN(currentDebugFile, buf);
10535 if(appData.serverFileName) {
10536 if(serverFP) fclose(serverFP);
10537 serverFP = fopen(appData.serverFileName, "w");
10538 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10539 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10543 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10544 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10545 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10546 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10547 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10548 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10549 Reset(FALSE, first.pr != NoProc);
10550 res = LoadGameOrPosition(matchGame); // setup game
10551 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10552 if(!res) return; // abort when bad game/pos file
10553 TwoMachinesEvent();
10557 UserAdjudicationEvent (int result)
10559 ChessMove gameResult = GameIsDrawn;
10562 gameResult = WhiteWins;
10564 else if( result < 0 ) {
10565 gameResult = BlackWins;
10568 if( gameMode == TwoMachinesPlay ) {
10569 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10574 // [HGM] save: calculate checksum of game to make games easily identifiable
10576 StringCheckSum (char *s)
10579 if(s==NULL) return 0;
10580 while(*s) i = i*259 + *s++;
10588 for(i=backwardMostMove; i<forwardMostMove; i++) {
10589 sum += pvInfoList[i].depth;
10590 sum += StringCheckSum(parseList[i]);
10591 sum += StringCheckSum(commentList[i]);
10594 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10595 return sum + StringCheckSum(commentList[i]);
10596 } // end of save patch
10599 GameEnds (ChessMove result, char *resultDetails, int whosays)
10601 GameMode nextGameMode;
10603 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10605 if(endingGame) return; /* [HGM] crash: forbid recursion */
10607 if(twoBoards) { // [HGM] dual: switch back to one board
10608 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10609 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10611 if (appData.debugMode) {
10612 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10613 result, resultDetails ? resultDetails : "(null)", whosays);
10616 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10618 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10620 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10621 /* If we are playing on ICS, the server decides when the
10622 game is over, but the engine can offer to draw, claim
10626 if (appData.zippyPlay && first.initDone) {
10627 if (result == GameIsDrawn) {
10628 /* In case draw still needs to be claimed */
10629 SendToICS(ics_prefix);
10630 SendToICS("draw\n");
10631 } else if (StrCaseStr(resultDetails, "resign")) {
10632 SendToICS(ics_prefix);
10633 SendToICS("resign\n");
10637 endingGame = 0; /* [HGM] crash */
10641 /* If we're loading the game from a file, stop */
10642 if (whosays == GE_FILE) {
10643 (void) StopLoadGameTimer();
10647 /* Cancel draw offers */
10648 first.offeredDraw = second.offeredDraw = 0;
10650 /* If this is an ICS game, only ICS can really say it's done;
10651 if not, anyone can. */
10652 isIcsGame = (gameMode == IcsPlayingWhite ||
10653 gameMode == IcsPlayingBlack ||
10654 gameMode == IcsObserving ||
10655 gameMode == IcsExamining);
10657 if (!isIcsGame || whosays == GE_ICS) {
10658 /* OK -- not an ICS game, or ICS said it was done */
10660 if (!isIcsGame && !appData.noChessProgram)
10661 SetUserThinkingEnables();
10663 /* [HGM] if a machine claims the game end we verify this claim */
10664 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10665 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10667 ChessMove trueResult = (ChessMove) -1;
10669 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10670 first.twoMachinesColor[0] :
10671 second.twoMachinesColor[0] ;
10673 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10674 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10675 /* [HGM] verify: engine mate claims accepted if they were flagged */
10676 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10678 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10679 /* [HGM] verify: engine mate claims accepted if they were flagged */
10680 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10682 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10683 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10686 // now verify win claims, but not in drop games, as we don't understand those yet
10687 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10688 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10689 (result == WhiteWins && claimer == 'w' ||
10690 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10691 if (appData.debugMode) {
10692 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10693 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10695 if(result != trueResult) {
10696 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10697 result = claimer == 'w' ? BlackWins : WhiteWins;
10698 resultDetails = buf;
10701 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10702 && (forwardMostMove <= backwardMostMove ||
10703 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10704 (claimer=='b')==(forwardMostMove&1))
10706 /* [HGM] verify: draws that were not flagged are false claims */
10707 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10708 result = claimer == 'w' ? BlackWins : WhiteWins;
10709 resultDetails = buf;
10711 /* (Claiming a loss is accepted no questions asked!) */
10712 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10713 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10714 result = GameUnfinished;
10715 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10717 /* [HGM] bare: don't allow bare King to win */
10718 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10719 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10720 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10721 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10722 && result != GameIsDrawn)
10723 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10724 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10725 int p = (signed char)boards[forwardMostMove][i][j] - color;
10726 if(p >= 0 && p <= (int)WhiteKing) k++;
10728 if (appData.debugMode) {
10729 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10730 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10733 result = GameIsDrawn;
10734 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10735 resultDetails = buf;
10741 if(serverMoves != NULL && !loadFlag) { char c = '=';
10742 if(result==WhiteWins) c = '+';
10743 if(result==BlackWins) c = '-';
10744 if(resultDetails != NULL)
10745 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10747 if (resultDetails != NULL) {
10748 gameInfo.result = result;
10749 gameInfo.resultDetails = StrSave(resultDetails);
10751 /* display last move only if game was not loaded from file */
10752 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10753 DisplayMove(currentMove - 1);
10755 if (forwardMostMove != 0) {
10756 if (gameMode != PlayFromGameFile && gameMode != EditGame
10757 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10759 if (*appData.saveGameFile != NULLCHAR) {
10760 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10761 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10763 SaveGameToFile(appData.saveGameFile, TRUE);
10764 } else if (appData.autoSaveGames) {
10765 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
10767 if (*appData.savePositionFile != NULLCHAR) {
10768 SavePositionToFile(appData.savePositionFile);
10770 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10774 /* Tell program how game ended in case it is learning */
10775 /* [HGM] Moved this to after saving the PGN, just in case */
10776 /* engine died and we got here through time loss. In that */
10777 /* case we will get a fatal error writing the pipe, which */
10778 /* would otherwise lose us the PGN. */
10779 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10780 /* output during GameEnds should never be fatal anymore */
10781 if (gameMode == MachinePlaysWhite ||
10782 gameMode == MachinePlaysBlack ||
10783 gameMode == TwoMachinesPlay ||
10784 gameMode == IcsPlayingWhite ||
10785 gameMode == IcsPlayingBlack ||
10786 gameMode == BeginningOfGame) {
10788 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10790 if (first.pr != NoProc) {
10791 SendToProgram(buf, &first);
10793 if (second.pr != NoProc &&
10794 gameMode == TwoMachinesPlay) {
10795 SendToProgram(buf, &second);
10800 if (appData.icsActive) {
10801 if (appData.quietPlay &&
10802 (gameMode == IcsPlayingWhite ||
10803 gameMode == IcsPlayingBlack)) {
10804 SendToICS(ics_prefix);
10805 SendToICS("set shout 1\n");
10807 nextGameMode = IcsIdle;
10808 ics_user_moved = FALSE;
10809 /* clean up premove. It's ugly when the game has ended and the
10810 * premove highlights are still on the board.
10813 gotPremove = FALSE;
10814 ClearPremoveHighlights();
10815 DrawPosition(FALSE, boards[currentMove]);
10817 if (whosays == GE_ICS) {
10820 if (gameMode == IcsPlayingWhite)
10822 else if(gameMode == IcsPlayingBlack)
10823 PlayIcsLossSound();
10826 if (gameMode == IcsPlayingBlack)
10828 else if(gameMode == IcsPlayingWhite)
10829 PlayIcsLossSound();
10832 PlayIcsDrawSound();
10835 PlayIcsUnfinishedSound();
10838 } else if (gameMode == EditGame ||
10839 gameMode == PlayFromGameFile ||
10840 gameMode == AnalyzeMode ||
10841 gameMode == AnalyzeFile) {
10842 nextGameMode = gameMode;
10844 nextGameMode = EndOfGame;
10849 nextGameMode = gameMode;
10852 if (appData.noChessProgram) {
10853 gameMode = nextGameMode;
10855 endingGame = 0; /* [HGM] crash */
10860 /* Put first chess program into idle state */
10861 if (first.pr != NoProc &&
10862 (gameMode == MachinePlaysWhite ||
10863 gameMode == MachinePlaysBlack ||
10864 gameMode == TwoMachinesPlay ||
10865 gameMode == IcsPlayingWhite ||
10866 gameMode == IcsPlayingBlack ||
10867 gameMode == BeginningOfGame)) {
10868 SendToProgram("force\n", &first);
10869 if (first.usePing) {
10871 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10872 SendToProgram(buf, &first);
10875 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10876 /* Kill off first chess program */
10877 if (first.isr != NULL)
10878 RemoveInputSource(first.isr);
10881 if (first.pr != NoProc) {
10883 DoSleep( appData.delayBeforeQuit );
10884 SendToProgram("quit\n", &first);
10885 DoSleep( appData.delayAfterQuit );
10886 DestroyChildProcess(first.pr, first.useSigterm);
10887 first.reload = TRUE;
10891 if (second.reuse) {
10892 /* Put second chess program into idle state */
10893 if (second.pr != NoProc &&
10894 gameMode == TwoMachinesPlay) {
10895 SendToProgram("force\n", &second);
10896 if (second.usePing) {
10898 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10899 SendToProgram(buf, &second);
10902 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10903 /* Kill off second chess program */
10904 if (second.isr != NULL)
10905 RemoveInputSource(second.isr);
10908 if (second.pr != NoProc) {
10909 DoSleep( appData.delayBeforeQuit );
10910 SendToProgram("quit\n", &second);
10911 DoSleep( appData.delayAfterQuit );
10912 DestroyChildProcess(second.pr, second.useSigterm);
10913 second.reload = TRUE;
10915 second.pr = NoProc;
10918 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
10919 char resChar = '=';
10923 if (first.twoMachinesColor[0] == 'w') {
10926 second.matchWins++;
10931 if (first.twoMachinesColor[0] == 'b') {
10934 second.matchWins++;
10937 case GameUnfinished:
10943 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10944 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10945 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10946 ReserveGame(nextGame, resChar); // sets nextGame
10947 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10948 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10949 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10951 if (nextGame <= appData.matchGames && !abortMatch) {
10952 gameMode = nextGameMode;
10953 matchGame = nextGame; // this will be overruled in tourney mode!
10954 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10955 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10956 endingGame = 0; /* [HGM] crash */
10959 gameMode = nextGameMode;
10960 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10961 first.tidy, second.tidy,
10962 first.matchWins, second.matchWins,
10963 appData.matchGames - (first.matchWins + second.matchWins));
10964 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10965 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10966 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10967 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10968 first.twoMachinesColor = "black\n";
10969 second.twoMachinesColor = "white\n";
10971 first.twoMachinesColor = "white\n";
10972 second.twoMachinesColor = "black\n";
10976 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10977 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10979 gameMode = nextGameMode;
10981 endingGame = 0; /* [HGM] crash */
10982 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10983 if(matchMode == TRUE) { // match through command line: exit with or without popup
10985 ToNrEvent(forwardMostMove);
10986 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10988 } else DisplayFatalError(buf, 0, 0);
10989 } else { // match through menu; just stop, with or without popup
10990 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10993 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10994 } else DisplayNote(buf);
10996 if(ranking) free(ranking);
11000 /* Assumes program was just initialized (initString sent).
11001 Leaves program in force mode. */
11003 FeedMovesToProgram (ChessProgramState *cps, int upto)
11007 if (appData.debugMode)
11008 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11009 startedFromSetupPosition ? "position and " : "",
11010 backwardMostMove, upto, cps->which);
11011 if(currentlyInitializedVariant != gameInfo.variant) {
11013 // [HGM] variantswitch: make engine aware of new variant
11014 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11015 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11016 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11017 SendToProgram(buf, cps);
11018 currentlyInitializedVariant = gameInfo.variant;
11020 SendToProgram("force\n", cps);
11021 if (startedFromSetupPosition) {
11022 SendBoard(cps, backwardMostMove);
11023 if (appData.debugMode) {
11024 fprintf(debugFP, "feedMoves\n");
11027 for (i = backwardMostMove; i < upto; i++) {
11028 SendMoveToProgram(i, cps);
11034 ResurrectChessProgram ()
11036 /* The chess program may have exited.
11037 If so, restart it and feed it all the moves made so far. */
11038 static int doInit = 0;
11040 if (appData.noChessProgram) return 1;
11042 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11043 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11044 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11045 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11047 if (first.pr != NoProc) return 1;
11048 StartChessProgram(&first);
11050 InitChessProgram(&first, FALSE);
11051 FeedMovesToProgram(&first, currentMove);
11053 if (!first.sendTime) {
11054 /* can't tell gnuchess what its clock should read,
11055 so we bow to its notion. */
11057 timeRemaining[0][currentMove] = whiteTimeRemaining;
11058 timeRemaining[1][currentMove] = blackTimeRemaining;
11061 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11062 appData.icsEngineAnalyze) && first.analysisSupport) {
11063 SendToProgram("analyze\n", &first);
11064 first.analyzing = TRUE;
11070 * Button procedures
11073 Reset (int redraw, int init)
11077 if (appData.debugMode) {
11078 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11079 redraw, init, gameMode);
11081 CleanupTail(); // [HGM] vari: delete any stored variations
11082 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11083 pausing = pauseExamInvalid = FALSE;
11084 startedFromSetupPosition = blackPlaysFirst = FALSE;
11086 whiteFlag = blackFlag = FALSE;
11087 userOfferedDraw = FALSE;
11088 hintRequested = bookRequested = FALSE;
11089 first.maybeThinking = FALSE;
11090 second.maybeThinking = FALSE;
11091 first.bookSuspend = FALSE; // [HGM] book
11092 second.bookSuspend = FALSE;
11093 thinkOutput[0] = NULLCHAR;
11094 lastHint[0] = NULLCHAR;
11095 ClearGameInfo(&gameInfo);
11096 gameInfo.variant = StringToVariant(appData.variant);
11097 ics_user_moved = ics_clock_paused = FALSE;
11098 ics_getting_history = H_FALSE;
11100 white_holding[0] = black_holding[0] = NULLCHAR;
11101 ClearProgramStats();
11102 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11106 flipView = appData.flipView;
11107 ClearPremoveHighlights();
11108 gotPremove = FALSE;
11109 alarmSounded = FALSE;
11111 GameEnds(EndOfFile, NULL, GE_PLAYER);
11112 if(appData.serverMovesName != NULL) {
11113 /* [HGM] prepare to make moves file for broadcasting */
11114 clock_t t = clock();
11115 if(serverMoves != NULL) fclose(serverMoves);
11116 serverMoves = fopen(appData.serverMovesName, "r");
11117 if(serverMoves != NULL) {
11118 fclose(serverMoves);
11119 /* delay 15 sec before overwriting, so all clients can see end */
11120 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11122 serverMoves = fopen(appData.serverMovesName, "w");
11126 gameMode = BeginningOfGame;
11128 if(appData.icsActive) gameInfo.variant = VariantNormal;
11129 currentMove = forwardMostMove = backwardMostMove = 0;
11130 MarkTargetSquares(1);
11131 InitPosition(redraw);
11132 for (i = 0; i < MAX_MOVES; i++) {
11133 if (commentList[i] != NULL) {
11134 free(commentList[i]);
11135 commentList[i] = NULL;
11139 timeRemaining[0][0] = whiteTimeRemaining;
11140 timeRemaining[1][0] = blackTimeRemaining;
11142 if (first.pr == NoProc) {
11143 StartChessProgram(&first);
11146 InitChessProgram(&first, startedFromSetupPosition);
11149 DisplayMessage("", "");
11150 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11151 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11152 ClearMap(); // [HGM] exclude: invalidate map
11156 AutoPlayGameLoop ()
11159 if (!AutoPlayOneMove())
11161 if (matchMode || appData.timeDelay == 0)
11163 if (appData.timeDelay < 0)
11165 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11173 ReloadGame(1); // next game
11179 int fromX, fromY, toX, toY;
11181 if (appData.debugMode) {
11182 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11185 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11188 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11189 pvInfoList[currentMove].depth = programStats.depth;
11190 pvInfoList[currentMove].score = programStats.score;
11191 pvInfoList[currentMove].time = 0;
11192 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11193 else { // append analysis of final position as comment
11195 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11196 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11198 programStats.depth = 0;
11201 if (currentMove >= forwardMostMove) {
11202 if(gameMode == AnalyzeFile) {
11203 if(appData.loadGameIndex == -1) {
11204 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11205 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11207 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11210 // gameMode = EndOfGame;
11211 // ModeHighlight();
11213 /* [AS] Clear current move marker at the end of a game */
11214 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11219 toX = moveList[currentMove][2] - AAA;
11220 toY = moveList[currentMove][3] - ONE;
11222 if (moveList[currentMove][1] == '@') {
11223 if (appData.highlightLastMove) {
11224 SetHighlights(-1, -1, toX, toY);
11227 fromX = moveList[currentMove][0] - AAA;
11228 fromY = moveList[currentMove][1] - ONE;
11230 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11232 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11234 if (appData.highlightLastMove) {
11235 SetHighlights(fromX, fromY, toX, toY);
11238 DisplayMove(currentMove);
11239 SendMoveToProgram(currentMove++, &first);
11240 DisplayBothClocks();
11241 DrawPosition(FALSE, boards[currentMove]);
11242 // [HGM] PV info: always display, routine tests if empty
11243 DisplayComment(currentMove - 1, commentList[currentMove]);
11249 LoadGameOneMove (ChessMove readAhead)
11251 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11252 char promoChar = NULLCHAR;
11253 ChessMove moveType;
11254 char move[MSG_SIZ];
11257 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11258 gameMode != AnalyzeMode && gameMode != Training) {
11263 yyboardindex = forwardMostMove;
11264 if (readAhead != EndOfFile) {
11265 moveType = readAhead;
11267 if (gameFileFP == NULL)
11269 moveType = (ChessMove) Myylex();
11273 switch (moveType) {
11275 if (appData.debugMode)
11276 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11279 /* append the comment but don't display it */
11280 AppendComment(currentMove, p, FALSE);
11283 case WhiteCapturesEnPassant:
11284 case BlackCapturesEnPassant:
11285 case WhitePromotion:
11286 case BlackPromotion:
11287 case WhiteNonPromotion:
11288 case BlackNonPromotion:
11290 case WhiteKingSideCastle:
11291 case WhiteQueenSideCastle:
11292 case BlackKingSideCastle:
11293 case BlackQueenSideCastle:
11294 case WhiteKingSideCastleWild:
11295 case WhiteQueenSideCastleWild:
11296 case BlackKingSideCastleWild:
11297 case BlackQueenSideCastleWild:
11299 case WhiteHSideCastleFR:
11300 case WhiteASideCastleFR:
11301 case BlackHSideCastleFR:
11302 case BlackASideCastleFR:
11304 if (appData.debugMode)
11305 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11306 fromX = currentMoveString[0] - AAA;
11307 fromY = currentMoveString[1] - ONE;
11308 toX = currentMoveString[2] - AAA;
11309 toY = currentMoveString[3] - ONE;
11310 promoChar = currentMoveString[4];
11315 if (appData.debugMode)
11316 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11317 fromX = moveType == WhiteDrop ?
11318 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11319 (int) CharToPiece(ToLower(currentMoveString[0]));
11321 toX = currentMoveString[2] - AAA;
11322 toY = currentMoveString[3] - ONE;
11328 case GameUnfinished:
11329 if (appData.debugMode)
11330 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11331 p = strchr(yy_text, '{');
11332 if (p == NULL) p = strchr(yy_text, '(');
11335 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11337 q = strchr(p, *p == '{' ? '}' : ')');
11338 if (q != NULL) *q = NULLCHAR;
11341 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11342 GameEnds(moveType, p, GE_FILE);
11344 if (cmailMsgLoaded) {
11346 flipView = WhiteOnMove(currentMove);
11347 if (moveType == GameUnfinished) flipView = !flipView;
11348 if (appData.debugMode)
11349 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11354 if (appData.debugMode)
11355 fprintf(debugFP, "Parser hit end of file\n");
11356 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11362 if (WhiteOnMove(currentMove)) {
11363 GameEnds(BlackWins, "Black mates", GE_FILE);
11365 GameEnds(WhiteWins, "White mates", GE_FILE);
11369 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11375 case MoveNumberOne:
11376 if (lastLoadGameStart == GNUChessGame) {
11377 /* GNUChessGames have numbers, but they aren't move numbers */
11378 if (appData.debugMode)
11379 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11380 yy_text, (int) moveType);
11381 return LoadGameOneMove(EndOfFile); /* tail recursion */
11383 /* else fall thru */
11388 /* Reached start of next game in file */
11389 if (appData.debugMode)
11390 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11391 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11397 if (WhiteOnMove(currentMove)) {
11398 GameEnds(BlackWins, "Black mates", GE_FILE);
11400 GameEnds(WhiteWins, "White mates", GE_FILE);
11404 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11410 case PositionDiagram: /* should not happen; ignore */
11411 case ElapsedTime: /* ignore */
11412 case NAG: /* ignore */
11413 if (appData.debugMode)
11414 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11415 yy_text, (int) moveType);
11416 return LoadGameOneMove(EndOfFile); /* tail recursion */
11419 if (appData.testLegality) {
11420 if (appData.debugMode)
11421 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11422 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11423 (forwardMostMove / 2) + 1,
11424 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11425 DisplayError(move, 0);
11428 if (appData.debugMode)
11429 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11430 yy_text, currentMoveString);
11431 fromX = currentMoveString[0] - AAA;
11432 fromY = currentMoveString[1] - ONE;
11433 toX = currentMoveString[2] - AAA;
11434 toY = currentMoveString[3] - ONE;
11435 promoChar = currentMoveString[4];
11439 case AmbiguousMove:
11440 if (appData.debugMode)
11441 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11442 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11443 (forwardMostMove / 2) + 1,
11444 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11445 DisplayError(move, 0);
11450 case ImpossibleMove:
11451 if (appData.debugMode)
11452 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11453 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11454 (forwardMostMove / 2) + 1,
11455 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11456 DisplayError(move, 0);
11462 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11463 DrawPosition(FALSE, boards[currentMove]);
11464 DisplayBothClocks();
11465 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11466 DisplayComment(currentMove - 1, commentList[currentMove]);
11468 (void) StopLoadGameTimer();
11470 cmailOldMove = forwardMostMove;
11473 /* currentMoveString is set as a side-effect of yylex */
11475 thinkOutput[0] = NULLCHAR;
11476 MakeMove(fromX, fromY, toX, toY, promoChar);
11477 currentMove = forwardMostMove;
11482 /* Load the nth game from the given file */
11484 LoadGameFromFile (char *filename, int n, char *title, int useList)
11489 if (strcmp(filename, "-") == 0) {
11493 f = fopen(filename, "rb");
11495 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11496 DisplayError(buf, errno);
11500 if (fseek(f, 0, 0) == -1) {
11501 /* f is not seekable; probably a pipe */
11504 if (useList && n == 0) {
11505 int error = GameListBuild(f);
11507 DisplayError(_("Cannot build game list"), error);
11508 } else if (!ListEmpty(&gameList) &&
11509 ((ListGame *) gameList.tailPred)->number > 1) {
11510 GameListPopUp(f, title);
11517 return LoadGame(f, n, title, FALSE);
11522 MakeRegisteredMove ()
11524 int fromX, fromY, toX, toY;
11526 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11527 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11530 if (appData.debugMode)
11531 fprintf(debugFP, "Restoring %s for game %d\n",
11532 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11534 thinkOutput[0] = NULLCHAR;
11535 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11536 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11537 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11538 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11539 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11540 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11541 MakeMove(fromX, fromY, toX, toY, promoChar);
11542 ShowMove(fromX, fromY, toX, toY);
11544 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11551 if (WhiteOnMove(currentMove)) {
11552 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11554 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11559 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11566 if (WhiteOnMove(currentMove)) {
11567 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11569 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11574 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11585 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11587 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11591 if (gameNumber > nCmailGames) {
11592 DisplayError(_("No more games in this message"), 0);
11595 if (f == lastLoadGameFP) {
11596 int offset = gameNumber - lastLoadGameNumber;
11598 cmailMsg[0] = NULLCHAR;
11599 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11600 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11601 nCmailMovesRegistered--;
11603 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11604 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11605 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11608 if (! RegisterMove()) return FALSE;
11612 retVal = LoadGame(f, gameNumber, title, useList);
11614 /* Make move registered during previous look at this game, if any */
11615 MakeRegisteredMove();
11617 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11618 commentList[currentMove]
11619 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11620 DisplayComment(currentMove - 1, commentList[currentMove]);
11626 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11628 ReloadGame (int offset)
11630 int gameNumber = lastLoadGameNumber + offset;
11631 if (lastLoadGameFP == NULL) {
11632 DisplayError(_("No game has been loaded yet"), 0);
11635 if (gameNumber <= 0) {
11636 DisplayError(_("Can't back up any further"), 0);
11639 if (cmailMsgLoaded) {
11640 return CmailLoadGame(lastLoadGameFP, gameNumber,
11641 lastLoadGameTitle, lastLoadGameUseList);
11643 return LoadGame(lastLoadGameFP, gameNumber,
11644 lastLoadGameTitle, lastLoadGameUseList);
11648 int keys[EmptySquare+1];
11651 PositionMatches (Board b1, Board b2)
11654 switch(appData.searchMode) {
11655 case 1: return CompareWithRights(b1, b2);
11657 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11658 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11662 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11663 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11664 sum += keys[b1[r][f]] - keys[b2[r][f]];
11668 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11669 sum += keys[b1[r][f]] - keys[b2[r][f]];
11681 int pieceList[256], quickBoard[256];
11682 ChessSquare pieceType[256] = { EmptySquare };
11683 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11684 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11685 int soughtTotal, turn;
11686 Boolean epOK, flipSearch;
11689 unsigned char piece, to;
11692 #define DSIZE (250000)
11694 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11695 Move *moveDatabase = initialSpace;
11696 unsigned int movePtr, dataSize = DSIZE;
11699 MakePieceList (Board board, int *counts)
11701 int r, f, n=Q_PROMO, total=0;
11702 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11703 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11704 int sq = f + (r<<4);
11705 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11706 quickBoard[sq] = ++n;
11708 pieceType[n] = board[r][f];
11709 counts[board[r][f]]++;
11710 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11711 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11715 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11720 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11722 int sq = fromX + (fromY<<4);
11723 int piece = quickBoard[sq];
11724 quickBoard[sq] = 0;
11725 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11726 if(piece == pieceList[1] && 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;
11728 moveDatabase[movePtr++].piece = Q_WCASTL;
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(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11734 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11735 moveDatabase[movePtr++].piece = Q_BCASTL;
11736 quickBoard[sq] = piece;
11737 piece = quickBoard[from]; quickBoard[from] = 0;
11738 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11740 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11741 quickBoard[(fromY<<4)+toX] = 0;
11742 moveDatabase[movePtr].piece = Q_EP;
11743 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11744 moveDatabase[movePtr].to = sq;
11746 if(promoPiece != pieceType[piece]) {
11747 moveDatabase[movePtr++].piece = Q_PROMO;
11748 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11750 moveDatabase[movePtr].piece = piece;
11751 quickBoard[sq] = piece;
11756 PackGame (Board board)
11758 Move *newSpace = NULL;
11759 moveDatabase[movePtr].piece = 0; // terminate previous game
11760 if(movePtr > dataSize) {
11761 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11762 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11763 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11766 Move *p = moveDatabase, *q = newSpace;
11767 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11768 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11769 moveDatabase = newSpace;
11770 } else { // calloc failed, we must be out of memory. Too bad...
11771 dataSize = 0; // prevent calloc events for all subsequent games
11772 return 0; // and signal this one isn't cached
11776 MakePieceList(board, counts);
11781 QuickCompare (Board board, int *minCounts, int *maxCounts)
11782 { // compare according to search mode
11784 switch(appData.searchMode)
11786 case 1: // exact position match
11787 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11788 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11789 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11792 case 2: // can have extra material on empty squares
11793 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11794 if(board[r][f] == EmptySquare) continue;
11795 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11798 case 3: // material with exact Pawn structure
11799 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11800 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11801 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11802 } // fall through to material comparison
11803 case 4: // exact material
11804 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11806 case 6: // material range with given imbalance
11807 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11808 // fall through to range comparison
11809 case 5: // material range
11810 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11816 QuickScan (Board board, Move *move)
11817 { // reconstruct game,and compare all positions in it
11818 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11820 int piece = move->piece;
11821 int to = move->to, from = pieceList[piece];
11822 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11823 if(!piece) return -1;
11824 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11825 piece = (++move)->piece;
11826 from = pieceList[piece];
11827 counts[pieceType[piece]]--;
11828 pieceType[piece] = (ChessSquare) move->to;
11829 counts[move->to]++;
11830 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11831 counts[pieceType[quickBoard[to]]]--;
11832 quickBoard[to] = 0; total--;
11835 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11836 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11837 from = pieceList[piece]; // so this must be King
11838 quickBoard[from] = 0;
11839 pieceList[piece] = to;
11840 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11841 quickBoard[from] = 0; // rook
11842 quickBoard[to] = piece;
11843 to = move->to; piece = move->piece;
11847 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11848 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11849 quickBoard[from] = 0;
11851 quickBoard[to] = piece;
11852 pieceList[piece] = to;
11854 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11855 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11856 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11857 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11859 static int lastCounts[EmptySquare+1];
11861 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11862 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11863 } else stretch = 0;
11864 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11873 flipSearch = FALSE;
11874 CopyBoard(soughtBoard, boards[currentMove]);
11875 soughtTotal = MakePieceList(soughtBoard, maxSought);
11876 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11877 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11878 CopyBoard(reverseBoard, boards[currentMove]);
11879 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11880 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11881 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11882 reverseBoard[r][f] = piece;
11884 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11885 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11886 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11887 || (boards[currentMove][CASTLING][2] == NoRights ||
11888 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11889 && (boards[currentMove][CASTLING][5] == NoRights ||
11890 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11893 CopyBoard(flipBoard, soughtBoard);
11894 CopyBoard(rotateBoard, reverseBoard);
11895 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11896 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11897 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11900 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11901 if(appData.searchMode >= 5) {
11902 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11903 MakePieceList(soughtBoard, minSought);
11904 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11906 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11907 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11910 GameInfo dummyInfo;
11911 static int creatingBook;
11914 GameContainsPosition (FILE *f, ListGame *lg)
11916 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11917 int fromX, fromY, toX, toY;
11919 static int initDone=FALSE;
11921 // weed out games based on numerical tag comparison
11922 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11923 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11924 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11925 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11927 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11930 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11931 else CopyBoard(boards[scratch], initialPosition); // default start position
11934 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11935 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11938 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11939 fseek(f, lg->offset, 0);
11942 yyboardindex = scratch;
11943 quickFlag = plyNr+1;
11948 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11954 if(plyNr) return -1; // after we have seen moves, this is for new game
11957 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11958 case ImpossibleMove:
11959 case WhiteWins: // game ends here with these four
11962 case GameUnfinished:
11966 if(appData.testLegality) return -1;
11967 case WhiteCapturesEnPassant:
11968 case BlackCapturesEnPassant:
11969 case WhitePromotion:
11970 case BlackPromotion:
11971 case WhiteNonPromotion:
11972 case BlackNonPromotion:
11974 case WhiteKingSideCastle:
11975 case WhiteQueenSideCastle:
11976 case BlackKingSideCastle:
11977 case BlackQueenSideCastle:
11978 case WhiteKingSideCastleWild:
11979 case WhiteQueenSideCastleWild:
11980 case BlackKingSideCastleWild:
11981 case BlackQueenSideCastleWild:
11982 case WhiteHSideCastleFR:
11983 case WhiteASideCastleFR:
11984 case BlackHSideCastleFR:
11985 case BlackASideCastleFR:
11986 fromX = currentMoveString[0] - AAA;
11987 fromY = currentMoveString[1] - ONE;
11988 toX = currentMoveString[2] - AAA;
11989 toY = currentMoveString[3] - ONE;
11990 promoChar = currentMoveString[4];
11994 fromX = next == WhiteDrop ?
11995 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11996 (int) CharToPiece(ToLower(currentMoveString[0]));
11998 toX = currentMoveString[2] - AAA;
11999 toY = currentMoveString[3] - ONE;
12003 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12005 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12006 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12007 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12008 if(appData.findMirror) {
12009 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12010 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12015 /* Load the nth game from open file f */
12017 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12021 int gn = gameNumber;
12022 ListGame *lg = NULL;
12023 int numPGNTags = 0;
12025 GameMode oldGameMode;
12026 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12028 if (appData.debugMode)
12029 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12031 if (gameMode == Training )
12032 SetTrainingModeOff();
12034 oldGameMode = gameMode;
12035 if (gameMode != BeginningOfGame) {
12036 Reset(FALSE, TRUE);
12040 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12041 fclose(lastLoadGameFP);
12045 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12048 fseek(f, lg->offset, 0);
12049 GameListHighlight(gameNumber);
12050 pos = lg->position;
12054 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12055 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12057 DisplayError(_("Game number out of range"), 0);
12062 if (fseek(f, 0, 0) == -1) {
12063 if (f == lastLoadGameFP ?
12064 gameNumber == lastLoadGameNumber + 1 :
12068 DisplayError(_("Can't seek on game file"), 0);
12073 lastLoadGameFP = f;
12074 lastLoadGameNumber = gameNumber;
12075 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12076 lastLoadGameUseList = useList;
12080 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12081 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12082 lg->gameInfo.black);
12084 } else if (*title != NULLCHAR) {
12085 if (gameNumber > 1) {
12086 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12089 DisplayTitle(title);
12093 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12094 gameMode = PlayFromGameFile;
12098 currentMove = forwardMostMove = backwardMostMove = 0;
12099 CopyBoard(boards[0], initialPosition);
12103 * Skip the first gn-1 games in the file.
12104 * Also skip over anything that precedes an identifiable
12105 * start of game marker, to avoid being confused by
12106 * garbage at the start of the file. Currently
12107 * recognized start of game markers are the move number "1",
12108 * the pattern "gnuchess .* game", the pattern
12109 * "^[#;%] [^ ]* game file", and a PGN tag block.
12110 * A game that starts with one of the latter two patterns
12111 * will also have a move number 1, possibly
12112 * following a position diagram.
12113 * 5-4-02: Let's try being more lenient and allowing a game to
12114 * start with an unnumbered move. Does that break anything?
12116 cm = lastLoadGameStart = EndOfFile;
12118 yyboardindex = forwardMostMove;
12119 cm = (ChessMove) Myylex();
12122 if (cmailMsgLoaded) {
12123 nCmailGames = CMAIL_MAX_GAMES - gn;
12126 DisplayError(_("Game not found in file"), 0);
12133 lastLoadGameStart = cm;
12136 case MoveNumberOne:
12137 switch (lastLoadGameStart) {
12142 case MoveNumberOne:
12144 gn--; /* count this game */
12145 lastLoadGameStart = cm;
12154 switch (lastLoadGameStart) {
12157 case MoveNumberOne:
12159 gn--; /* count this game */
12160 lastLoadGameStart = cm;
12163 lastLoadGameStart = cm; /* game counted already */
12171 yyboardindex = forwardMostMove;
12172 cm = (ChessMove) Myylex();
12173 } while (cm == PGNTag || cm == Comment);
12180 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12181 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12182 != CMAIL_OLD_RESULT) {
12184 cmailResult[ CMAIL_MAX_GAMES
12185 - gn - 1] = CMAIL_OLD_RESULT;
12191 /* Only a NormalMove can be at the start of a game
12192 * without a position diagram. */
12193 if (lastLoadGameStart == EndOfFile ) {
12195 lastLoadGameStart = MoveNumberOne;
12204 if (appData.debugMode)
12205 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12207 if (cm == XBoardGame) {
12208 /* Skip any header junk before position diagram and/or move 1 */
12210 yyboardindex = forwardMostMove;
12211 cm = (ChessMove) Myylex();
12213 if (cm == EndOfFile ||
12214 cm == GNUChessGame || cm == XBoardGame) {
12215 /* Empty game; pretend end-of-file and handle later */
12220 if (cm == MoveNumberOne || cm == PositionDiagram ||
12221 cm == PGNTag || cm == Comment)
12224 } else if (cm == GNUChessGame) {
12225 if (gameInfo.event != NULL) {
12226 free(gameInfo.event);
12228 gameInfo.event = StrSave(yy_text);
12231 startedFromSetupPosition = FALSE;
12232 while (cm == PGNTag) {
12233 if (appData.debugMode)
12234 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12235 err = ParsePGNTag(yy_text, &gameInfo);
12236 if (!err) numPGNTags++;
12238 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12239 if(gameInfo.variant != oldVariant) {
12240 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12241 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12242 InitPosition(TRUE);
12243 oldVariant = gameInfo.variant;
12244 if (appData.debugMode)
12245 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12249 if (gameInfo.fen != NULL) {
12250 Board initial_position;
12251 startedFromSetupPosition = TRUE;
12252 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12254 DisplayError(_("Bad FEN position in file"), 0);
12257 CopyBoard(boards[0], initial_position);
12258 if (blackPlaysFirst) {
12259 currentMove = forwardMostMove = backwardMostMove = 1;
12260 CopyBoard(boards[1], initial_position);
12261 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12262 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12263 timeRemaining[0][1] = whiteTimeRemaining;
12264 timeRemaining[1][1] = blackTimeRemaining;
12265 if (commentList[0] != NULL) {
12266 commentList[1] = commentList[0];
12267 commentList[0] = NULL;
12270 currentMove = forwardMostMove = backwardMostMove = 0;
12272 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12274 initialRulePlies = FENrulePlies;
12275 for( i=0; i< nrCastlingRights; i++ )
12276 initialRights[i] = initial_position[CASTLING][i];
12278 yyboardindex = forwardMostMove;
12279 free(gameInfo.fen);
12280 gameInfo.fen = NULL;
12283 yyboardindex = forwardMostMove;
12284 cm = (ChessMove) Myylex();
12286 /* Handle comments interspersed among the tags */
12287 while (cm == Comment) {
12289 if (appData.debugMode)
12290 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12292 AppendComment(currentMove, p, FALSE);
12293 yyboardindex = forwardMostMove;
12294 cm = (ChessMove) Myylex();
12298 /* don't rely on existence of Event tag since if game was
12299 * pasted from clipboard the Event tag may not exist
12301 if (numPGNTags > 0){
12303 if (gameInfo.variant == VariantNormal) {
12304 VariantClass v = StringToVariant(gameInfo.event);
12305 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12306 if(v < VariantShogi) gameInfo.variant = v;
12309 if( appData.autoDisplayTags ) {
12310 tags = PGNTags(&gameInfo);
12311 TagsPopUp(tags, CmailMsg());
12316 /* Make something up, but don't display it now */
12321 if (cm == PositionDiagram) {
12324 Board initial_position;
12326 if (appData.debugMode)
12327 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12329 if (!startedFromSetupPosition) {
12331 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12332 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12343 initial_position[i][j++] = CharToPiece(*p);
12346 while (*p == ' ' || *p == '\t' ||
12347 *p == '\n' || *p == '\r') p++;
12349 if (strncmp(p, "black", strlen("black"))==0)
12350 blackPlaysFirst = TRUE;
12352 blackPlaysFirst = FALSE;
12353 startedFromSetupPosition = TRUE;
12355 CopyBoard(boards[0], initial_position);
12356 if (blackPlaysFirst) {
12357 currentMove = forwardMostMove = backwardMostMove = 1;
12358 CopyBoard(boards[1], initial_position);
12359 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12360 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12361 timeRemaining[0][1] = whiteTimeRemaining;
12362 timeRemaining[1][1] = blackTimeRemaining;
12363 if (commentList[0] != NULL) {
12364 commentList[1] = commentList[0];
12365 commentList[0] = NULL;
12368 currentMove = forwardMostMove = backwardMostMove = 0;
12371 yyboardindex = forwardMostMove;
12372 cm = (ChessMove) Myylex();
12375 if(!creatingBook) {
12376 if (first.pr == NoProc) {
12377 StartChessProgram(&first);
12379 InitChessProgram(&first, FALSE);
12380 SendToProgram("force\n", &first);
12381 if (startedFromSetupPosition) {
12382 SendBoard(&first, forwardMostMove);
12383 if (appData.debugMode) {
12384 fprintf(debugFP, "Load Game\n");
12386 DisplayBothClocks();
12390 /* [HGM] server: flag to write setup moves in broadcast file as one */
12391 loadFlag = appData.suppressLoadMoves;
12393 while (cm == Comment) {
12395 if (appData.debugMode)
12396 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12398 AppendComment(currentMove, p, FALSE);
12399 yyboardindex = forwardMostMove;
12400 cm = (ChessMove) Myylex();
12403 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12404 cm == WhiteWins || cm == BlackWins ||
12405 cm == GameIsDrawn || cm == GameUnfinished) {
12406 DisplayMessage("", _("No moves in game"));
12407 if (cmailMsgLoaded) {
12408 if (appData.debugMode)
12409 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12413 DrawPosition(FALSE, boards[currentMove]);
12414 DisplayBothClocks();
12415 gameMode = EditGame;
12422 // [HGM] PV info: routine tests if comment empty
12423 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12424 DisplayComment(currentMove - 1, commentList[currentMove]);
12426 if (!matchMode && appData.timeDelay != 0)
12427 DrawPosition(FALSE, boards[currentMove]);
12429 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12430 programStats.ok_to_send = 1;
12433 /* if the first token after the PGN tags is a move
12434 * and not move number 1, retrieve it from the parser
12436 if (cm != MoveNumberOne)
12437 LoadGameOneMove(cm);
12439 /* load the remaining moves from the file */
12440 while (LoadGameOneMove(EndOfFile)) {
12441 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12442 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12445 /* rewind to the start of the game */
12446 currentMove = backwardMostMove;
12448 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12450 if (oldGameMode == AnalyzeFile) {
12451 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12452 AnalyzeFileEvent();
12454 if (oldGameMode == AnalyzeMode) {
12455 AnalyzeFileEvent();
12458 if(creatingBook) return TRUE;
12459 if (!matchMode && pos > 0) {
12460 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12462 if (matchMode || appData.timeDelay == 0) {
12464 } else if (appData.timeDelay > 0) {
12465 AutoPlayGameLoop();
12468 if (appData.debugMode)
12469 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12471 loadFlag = 0; /* [HGM] true game starts */
12475 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12477 ReloadPosition (int offset)
12479 int positionNumber = lastLoadPositionNumber + offset;
12480 if (lastLoadPositionFP == NULL) {
12481 DisplayError(_("No position has been loaded yet"), 0);
12484 if (positionNumber <= 0) {
12485 DisplayError(_("Can't back up any further"), 0);
12488 return LoadPosition(lastLoadPositionFP, positionNumber,
12489 lastLoadPositionTitle);
12492 /* Load the nth position from the given file */
12494 LoadPositionFromFile (char *filename, int n, char *title)
12499 if (strcmp(filename, "-") == 0) {
12500 return LoadPosition(stdin, n, "stdin");
12502 f = fopen(filename, "rb");
12504 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12505 DisplayError(buf, errno);
12508 return LoadPosition(f, n, title);
12513 /* Load the nth position from the given open file, and close it */
12515 LoadPosition (FILE *f, int positionNumber, char *title)
12517 char *p, line[MSG_SIZ];
12518 Board initial_position;
12519 int i, j, fenMode, pn;
12521 if (gameMode == Training )
12522 SetTrainingModeOff();
12524 if (gameMode != BeginningOfGame) {
12525 Reset(FALSE, TRUE);
12527 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12528 fclose(lastLoadPositionFP);
12530 if (positionNumber == 0) positionNumber = 1;
12531 lastLoadPositionFP = f;
12532 lastLoadPositionNumber = positionNumber;
12533 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12534 if (first.pr == NoProc && !appData.noChessProgram) {
12535 StartChessProgram(&first);
12536 InitChessProgram(&first, FALSE);
12538 pn = positionNumber;
12539 if (positionNumber < 0) {
12540 /* Negative position number means to seek to that byte offset */
12541 if (fseek(f, -positionNumber, 0) == -1) {
12542 DisplayError(_("Can't seek on position file"), 0);
12547 if (fseek(f, 0, 0) == -1) {
12548 if (f == lastLoadPositionFP ?
12549 positionNumber == lastLoadPositionNumber + 1 :
12550 positionNumber == 1) {
12553 DisplayError(_("Can't seek on position file"), 0);
12558 /* See if this file is FEN or old-style xboard */
12559 if (fgets(line, MSG_SIZ, f) == NULL) {
12560 DisplayError(_("Position not found in file"), 0);
12563 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12564 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12567 if (fenMode || line[0] == '#') pn--;
12569 /* skip positions before number pn */
12570 if (fgets(line, MSG_SIZ, f) == NULL) {
12572 DisplayError(_("Position not found in file"), 0);
12575 if (fenMode || line[0] == '#') pn--;
12580 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12581 DisplayError(_("Bad FEN position in file"), 0);
12585 (void) fgets(line, MSG_SIZ, f);
12586 (void) fgets(line, MSG_SIZ, f);
12588 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12589 (void) fgets(line, MSG_SIZ, f);
12590 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12593 initial_position[i][j++] = CharToPiece(*p);
12597 blackPlaysFirst = FALSE;
12599 (void) fgets(line, MSG_SIZ, f);
12600 if (strncmp(line, "black", strlen("black"))==0)
12601 blackPlaysFirst = TRUE;
12604 startedFromSetupPosition = TRUE;
12606 CopyBoard(boards[0], initial_position);
12607 if (blackPlaysFirst) {
12608 currentMove = forwardMostMove = backwardMostMove = 1;
12609 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12610 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12611 CopyBoard(boards[1], initial_position);
12612 DisplayMessage("", _("Black to play"));
12614 currentMove = forwardMostMove = backwardMostMove = 0;
12615 DisplayMessage("", _("White to play"));
12617 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12618 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12619 SendToProgram("force\n", &first);
12620 SendBoard(&first, forwardMostMove);
12622 if (appData.debugMode) {
12624 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12625 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12626 fprintf(debugFP, "Load Position\n");
12629 if (positionNumber > 1) {
12630 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12631 DisplayTitle(line);
12633 DisplayTitle(title);
12635 gameMode = EditGame;
12638 timeRemaining[0][1] = whiteTimeRemaining;
12639 timeRemaining[1][1] = blackTimeRemaining;
12640 DrawPosition(FALSE, boards[currentMove]);
12647 CopyPlayerNameIntoFileName (char **dest, char *src)
12649 while (*src != NULLCHAR && *src != ',') {
12654 *(*dest)++ = *src++;
12660 DefaultFileName (char *ext)
12662 static char def[MSG_SIZ];
12665 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12667 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12669 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12671 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12678 /* Save the current game to the given file */
12680 SaveGameToFile (char *filename, int append)
12684 int result, i, t,tot=0;
12686 if (strcmp(filename, "-") == 0) {
12687 return SaveGame(stdout, 0, NULL);
12689 for(i=0; i<10; i++) { // upto 10 tries
12690 f = fopen(filename, append ? "a" : "w");
12691 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12692 if(f || errno != 13) break;
12693 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12697 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12698 DisplayError(buf, errno);
12701 safeStrCpy(buf, lastMsg, MSG_SIZ);
12702 DisplayMessage(_("Waiting for access to save file"), "");
12703 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12704 DisplayMessage(_("Saving game"), "");
12705 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12706 result = SaveGame(f, 0, NULL);
12707 DisplayMessage(buf, "");
12714 SavePart (char *str)
12716 static char buf[MSG_SIZ];
12719 p = strchr(str, ' ');
12720 if (p == NULL) return str;
12721 strncpy(buf, str, p - str);
12722 buf[p - str] = NULLCHAR;
12726 #define PGN_MAX_LINE 75
12728 #define PGN_SIDE_WHITE 0
12729 #define PGN_SIDE_BLACK 1
12732 FindFirstMoveOutOfBook (int side)
12736 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12737 int index = backwardMostMove;
12738 int has_book_hit = 0;
12740 if( (index % 2) != side ) {
12744 while( index < forwardMostMove ) {
12745 /* Check to see if engine is in book */
12746 int depth = pvInfoList[index].depth;
12747 int score = pvInfoList[index].score;
12753 else if( score == 0 && depth == 63 ) {
12754 in_book = 1; /* Zappa */
12756 else if( score == 2 && depth == 99 ) {
12757 in_book = 1; /* Abrok */
12760 has_book_hit += in_book;
12776 GetOutOfBookInfo (char * buf)
12780 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12782 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12783 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12787 if( oob[0] >= 0 || oob[1] >= 0 ) {
12788 for( i=0; i<2; i++ ) {
12792 if( i > 0 && oob[0] >= 0 ) {
12793 strcat( buf, " " );
12796 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12797 sprintf( buf+strlen(buf), "%s%.2f",
12798 pvInfoList[idx].score >= 0 ? "+" : "",
12799 pvInfoList[idx].score / 100.0 );
12805 /* Save game in PGN style and close the file */
12807 SaveGamePGN (FILE *f)
12809 int i, offset, linelen, newblock;
12812 int movelen, numlen, blank;
12813 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12815 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12817 PrintPGNTags(f, &gameInfo);
12819 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12821 if (backwardMostMove > 0 || startedFromSetupPosition) {
12822 char *fen = PositionToFEN(backwardMostMove, NULL);
12823 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12824 fprintf(f, "\n{--------------\n");
12825 PrintPosition(f, backwardMostMove);
12826 fprintf(f, "--------------}\n");
12830 /* [AS] Out of book annotation */
12831 if( appData.saveOutOfBookInfo ) {
12834 GetOutOfBookInfo( buf );
12836 if( buf[0] != '\0' ) {
12837 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12844 i = backwardMostMove;
12848 while (i < forwardMostMove) {
12849 /* Print comments preceding this move */
12850 if (commentList[i] != NULL) {
12851 if (linelen > 0) fprintf(f, "\n");
12852 fprintf(f, "%s", commentList[i]);
12857 /* Format move number */
12859 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12862 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12864 numtext[0] = NULLCHAR;
12866 numlen = strlen(numtext);
12869 /* Print move number */
12870 blank = linelen > 0 && numlen > 0;
12871 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12880 fprintf(f, "%s", numtext);
12884 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12885 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12888 blank = linelen > 0 && movelen > 0;
12889 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12898 fprintf(f, "%s", move_buffer);
12899 linelen += movelen;
12901 /* [AS] Add PV info if present */
12902 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12903 /* [HGM] add time */
12904 char buf[MSG_SIZ]; int seconds;
12906 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12912 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12915 seconds = (seconds + 4)/10; // round to full seconds
12917 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12919 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12922 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12923 pvInfoList[i].score >= 0 ? "+" : "",
12924 pvInfoList[i].score / 100.0,
12925 pvInfoList[i].depth,
12928 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12930 /* Print score/depth */
12931 blank = linelen > 0 && movelen > 0;
12932 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12941 fprintf(f, "%s", move_buffer);
12942 linelen += movelen;
12948 /* Start a new line */
12949 if (linelen > 0) fprintf(f, "\n");
12951 /* Print comments after last move */
12952 if (commentList[i] != NULL) {
12953 fprintf(f, "%s\n", commentList[i]);
12957 if (gameInfo.resultDetails != NULL &&
12958 gameInfo.resultDetails[0] != NULLCHAR) {
12959 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12960 PGNResult(gameInfo.result));
12962 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12966 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12970 /* Save game in old style and close the file */
12972 SaveGameOldStyle (FILE *f)
12977 tm = time((time_t *) NULL);
12979 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12982 if (backwardMostMove > 0 || startedFromSetupPosition) {
12983 fprintf(f, "\n[--------------\n");
12984 PrintPosition(f, backwardMostMove);
12985 fprintf(f, "--------------]\n");
12990 i = backwardMostMove;
12991 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12993 while (i < forwardMostMove) {
12994 if (commentList[i] != NULL) {
12995 fprintf(f, "[%s]\n", commentList[i]);
12998 if ((i % 2) == 1) {
12999 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13002 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13004 if (commentList[i] != NULL) {
13008 if (i >= forwardMostMove) {
13012 fprintf(f, "%s\n", parseList[i]);
13017 if (commentList[i] != NULL) {
13018 fprintf(f, "[%s]\n", commentList[i]);
13021 /* This isn't really the old style, but it's close enough */
13022 if (gameInfo.resultDetails != NULL &&
13023 gameInfo.resultDetails[0] != NULLCHAR) {
13024 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13025 gameInfo.resultDetails);
13027 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13034 /* Save the current game to open file f and close the file */
13036 SaveGame (FILE *f, int dummy, char *dummy2)
13038 if (gameMode == EditPosition) EditPositionDone(TRUE);
13039 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13040 if (appData.oldSaveStyle)
13041 return SaveGameOldStyle(f);
13043 return SaveGamePGN(f);
13046 /* Save the current position to the given file */
13048 SavePositionToFile (char *filename)
13053 if (strcmp(filename, "-") == 0) {
13054 return SavePosition(stdout, 0, NULL);
13056 f = fopen(filename, "a");
13058 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13059 DisplayError(buf, errno);
13062 safeStrCpy(buf, lastMsg, MSG_SIZ);
13063 DisplayMessage(_("Waiting for access to save file"), "");
13064 flock(fileno(f), LOCK_EX); // [HGM] lock
13065 DisplayMessage(_("Saving position"), "");
13066 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13067 SavePosition(f, 0, NULL);
13068 DisplayMessage(buf, "");
13074 /* Save the current position to the given open file and close the file */
13076 SavePosition (FILE *f, int dummy, char *dummy2)
13081 if (gameMode == EditPosition) EditPositionDone(TRUE);
13082 if (appData.oldSaveStyle) {
13083 tm = time((time_t *) NULL);
13085 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13087 fprintf(f, "[--------------\n");
13088 PrintPosition(f, currentMove);
13089 fprintf(f, "--------------]\n");
13091 fen = PositionToFEN(currentMove, NULL);
13092 fprintf(f, "%s\n", fen);
13100 ReloadCmailMsgEvent (int unregister)
13103 static char *inFilename = NULL;
13104 static char *outFilename;
13106 struct stat inbuf, outbuf;
13109 /* Any registered moves are unregistered if unregister is set, */
13110 /* i.e. invoked by the signal handler */
13112 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13113 cmailMoveRegistered[i] = FALSE;
13114 if (cmailCommentList[i] != NULL) {
13115 free(cmailCommentList[i]);
13116 cmailCommentList[i] = NULL;
13119 nCmailMovesRegistered = 0;
13122 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13123 cmailResult[i] = CMAIL_NOT_RESULT;
13127 if (inFilename == NULL) {
13128 /* Because the filenames are static they only get malloced once */
13129 /* and they never get freed */
13130 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13131 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13133 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13134 sprintf(outFilename, "%s.out", appData.cmailGameName);
13137 status = stat(outFilename, &outbuf);
13139 cmailMailedMove = FALSE;
13141 status = stat(inFilename, &inbuf);
13142 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13145 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13146 counts the games, notes how each one terminated, etc.
13148 It would be nice to remove this kludge and instead gather all
13149 the information while building the game list. (And to keep it
13150 in the game list nodes instead of having a bunch of fixed-size
13151 parallel arrays.) Note this will require getting each game's
13152 termination from the PGN tags, as the game list builder does
13153 not process the game moves. --mann
13155 cmailMsgLoaded = TRUE;
13156 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13158 /* Load first game in the file or popup game menu */
13159 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13161 #endif /* !WIN32 */
13169 char string[MSG_SIZ];
13171 if ( cmailMailedMove
13172 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13173 return TRUE; /* Allow free viewing */
13176 /* Unregister move to ensure that we don't leave RegisterMove */
13177 /* with the move registered when the conditions for registering no */
13179 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13180 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13181 nCmailMovesRegistered --;
13183 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13185 free(cmailCommentList[lastLoadGameNumber - 1]);
13186 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13190 if (cmailOldMove == -1) {
13191 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13195 if (currentMove > cmailOldMove + 1) {
13196 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13200 if (currentMove < cmailOldMove) {
13201 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13205 if (forwardMostMove > currentMove) {
13206 /* Silently truncate extra moves */
13210 if ( (currentMove == cmailOldMove + 1)
13211 || ( (currentMove == cmailOldMove)
13212 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13213 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13214 if (gameInfo.result != GameUnfinished) {
13215 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13218 if (commentList[currentMove] != NULL) {
13219 cmailCommentList[lastLoadGameNumber - 1]
13220 = StrSave(commentList[currentMove]);
13222 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13224 if (appData.debugMode)
13225 fprintf(debugFP, "Saving %s for game %d\n",
13226 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13228 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13230 f = fopen(string, "w");
13231 if (appData.oldSaveStyle) {
13232 SaveGameOldStyle(f); /* also closes the file */
13234 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13235 f = fopen(string, "w");
13236 SavePosition(f, 0, NULL); /* also closes the file */
13238 fprintf(f, "{--------------\n");
13239 PrintPosition(f, currentMove);
13240 fprintf(f, "--------------}\n\n");
13242 SaveGame(f, 0, NULL); /* also closes the file*/
13245 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13246 nCmailMovesRegistered ++;
13247 } else if (nCmailGames == 1) {
13248 DisplayError(_("You have not made a move yet"), 0);
13259 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13260 FILE *commandOutput;
13261 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13262 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13268 if (! cmailMsgLoaded) {
13269 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13273 if (nCmailGames == nCmailResults) {
13274 DisplayError(_("No unfinished games"), 0);
13278 #if CMAIL_PROHIBIT_REMAIL
13279 if (cmailMailedMove) {
13280 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);
13281 DisplayError(msg, 0);
13286 if (! (cmailMailedMove || RegisterMove())) return;
13288 if ( cmailMailedMove
13289 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13290 snprintf(string, MSG_SIZ, partCommandString,
13291 appData.debugMode ? " -v" : "", appData.cmailGameName);
13292 commandOutput = popen(string, "r");
13294 if (commandOutput == NULL) {
13295 DisplayError(_("Failed to invoke cmail"), 0);
13297 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13298 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13300 if (nBuffers > 1) {
13301 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13302 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13303 nBytes = MSG_SIZ - 1;
13305 (void) memcpy(msg, buffer, nBytes);
13307 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13309 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13310 cmailMailedMove = TRUE; /* Prevent >1 moves */
13313 for (i = 0; i < nCmailGames; i ++) {
13314 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13319 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13321 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13323 appData.cmailGameName,
13325 LoadGameFromFile(buffer, 1, buffer, FALSE);
13326 cmailMsgLoaded = FALSE;
13330 DisplayInformation(msg);
13331 pclose(commandOutput);
13334 if ((*cmailMsg) != '\0') {
13335 DisplayInformation(cmailMsg);
13340 #endif /* !WIN32 */
13349 int prependComma = 0;
13351 char string[MSG_SIZ]; /* Space for game-list */
13354 if (!cmailMsgLoaded) return "";
13356 if (cmailMailedMove) {
13357 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13359 /* Create a list of games left */
13360 snprintf(string, MSG_SIZ, "[");
13361 for (i = 0; i < nCmailGames; i ++) {
13362 if (! ( cmailMoveRegistered[i]
13363 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13364 if (prependComma) {
13365 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13367 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13371 strcat(string, number);
13374 strcat(string, "]");
13376 if (nCmailMovesRegistered + nCmailResults == 0) {
13377 switch (nCmailGames) {
13379 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13383 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13387 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13392 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13394 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13399 if (nCmailResults == nCmailGames) {
13400 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13402 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13407 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13419 if (gameMode == Training)
13420 SetTrainingModeOff();
13423 cmailMsgLoaded = FALSE;
13424 if (appData.icsActive) {
13425 SendToICS(ics_prefix);
13426 SendToICS("refresh\n");
13431 ExitEvent (int status)
13435 /* Give up on clean exit */
13439 /* Keep trying for clean exit */
13443 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13445 if (telnetISR != NULL) {
13446 RemoveInputSource(telnetISR);
13448 if (icsPR != NoProc) {
13449 DestroyChildProcess(icsPR, TRUE);
13452 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13453 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13455 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13456 /* make sure this other one finishes before killing it! */
13457 if(endingGame) { int count = 0;
13458 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13459 while(endingGame && count++ < 10) DoSleep(1);
13460 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13463 /* Kill off chess programs */
13464 if (first.pr != NoProc) {
13467 DoSleep( appData.delayBeforeQuit );
13468 SendToProgram("quit\n", &first);
13469 DoSleep( appData.delayAfterQuit );
13470 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13472 if (second.pr != NoProc) {
13473 DoSleep( appData.delayBeforeQuit );
13474 SendToProgram("quit\n", &second);
13475 DoSleep( appData.delayAfterQuit );
13476 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13478 if (first.isr != NULL) {
13479 RemoveInputSource(first.isr);
13481 if (second.isr != NULL) {
13482 RemoveInputSource(second.isr);
13485 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13486 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13488 ShutDownFrontEnd();
13493 PauseEngine (ChessProgramState *cps)
13495 SendToProgram("pause\n", cps);
13500 UnPauseEngine (ChessProgramState *cps)
13502 SendToProgram("resume\n", cps);
13509 if (appData.debugMode)
13510 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13514 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13516 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13517 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13518 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13520 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13521 HandleMachineMove(stashedInputMove, stalledEngine);
13522 stalledEngine = NULL;
13525 if (gameMode == MachinePlaysWhite ||
13526 gameMode == TwoMachinesPlay ||
13527 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13528 if(first.pause) UnPauseEngine(&first);
13529 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13530 if(second.pause) UnPauseEngine(&second);
13531 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13534 DisplayBothClocks();
13536 if (gameMode == PlayFromGameFile) {
13537 if (appData.timeDelay >= 0)
13538 AutoPlayGameLoop();
13539 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13540 Reset(FALSE, TRUE);
13541 SendToICS(ics_prefix);
13542 SendToICS("refresh\n");
13543 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13544 ForwardInner(forwardMostMove);
13546 pauseExamInvalid = FALSE;
13548 switch (gameMode) {
13552 pauseExamForwardMostMove = forwardMostMove;
13553 pauseExamInvalid = FALSE;
13556 case IcsPlayingWhite:
13557 case IcsPlayingBlack:
13561 case PlayFromGameFile:
13562 (void) StopLoadGameTimer();
13566 case BeginningOfGame:
13567 if (appData.icsActive) return;
13568 /* else fall through */
13569 case MachinePlaysWhite:
13570 case MachinePlaysBlack:
13571 case TwoMachinesPlay:
13572 if (forwardMostMove == 0)
13573 return; /* don't pause if no one has moved */
13574 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13575 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13576 if(onMove->pause) { // thinking engine can be paused
13577 PauseEngine(onMove); // do it
13578 if(onMove->other->pause) // pondering opponent can always be paused immediately
13579 PauseEngine(onMove->other);
13581 SendToProgram("easy\n", onMove->other);
13583 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13584 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13586 PauseEngine(&first);
13588 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13589 } else { // human on move, pause pondering by either method
13591 PauseEngine(&first);
13592 else if(appData.ponderNextMove)
13593 SendToProgram("easy\n", &first);
13596 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13606 EditCommentEvent ()
13608 char title[MSG_SIZ];
13610 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13611 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13613 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13614 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13615 parseList[currentMove - 1]);
13618 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13625 char *tags = PGNTags(&gameInfo);
13627 EditTagsPopUp(tags, NULL);
13634 if(second.analyzing) {
13635 SendToProgram("exit\n", &second);
13636 second.analyzing = FALSE;
13638 if (second.pr == NoProc) StartChessProgram(&second);
13639 InitChessProgram(&second, FALSE);
13640 FeedMovesToProgram(&second, currentMove);
13642 SendToProgram("analyze\n", &second);
13643 second.analyzing = TRUE;
13647 /* Toggle ShowThinking */
13649 ToggleShowThinking()
13651 appData.showThinking = !appData.showThinking;
13652 ShowThinkingEvent();
13656 AnalyzeModeEvent ()
13660 if (!first.analysisSupport) {
13661 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13662 DisplayError(buf, 0);
13665 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13666 if (appData.icsActive) {
13667 if (gameMode != IcsObserving) {
13668 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13669 DisplayError(buf, 0);
13671 if (appData.icsEngineAnalyze) {
13672 if (appData.debugMode)
13673 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
13679 /* if enable, user wants to disable icsEngineAnalyze */
13680 if (appData.icsEngineAnalyze) {
13685 appData.icsEngineAnalyze = TRUE;
13686 if (appData.debugMode)
13687 fprintf(debugFP, "ICS engine analyze starting... \n");
13690 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13691 if (appData.noChessProgram || gameMode == AnalyzeMode)
13694 if (gameMode != AnalyzeFile) {
13695 if (!appData.icsEngineAnalyze) {
13697 if (gameMode != EditGame) return 0;
13699 if (!appData.showThinking) ToggleShowThinking();
13700 ResurrectChessProgram();
13701 SendToProgram("analyze\n", &first);
13702 first.analyzing = TRUE;
13703 /*first.maybeThinking = TRUE;*/
13704 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13705 EngineOutputPopUp();
13707 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13712 StartAnalysisClock();
13713 GetTimeMark(&lastNodeCountTime);
13719 AnalyzeFileEvent ()
13721 if (appData.noChessProgram || gameMode == AnalyzeFile)
13724 if (!first.analysisSupport) {
13726 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13727 DisplayError(buf, 0);
13731 if (gameMode != AnalyzeMode) {
13732 keepInfo = 1; // mere annotating should not alter PGN tags
13735 if (gameMode != EditGame) return;
13736 if (!appData.showThinking) ToggleShowThinking();
13737 ResurrectChessProgram();
13738 SendToProgram("analyze\n", &first);
13739 first.analyzing = TRUE;
13740 /*first.maybeThinking = TRUE;*/
13741 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13742 EngineOutputPopUp();
13744 gameMode = AnalyzeFile;
13748 StartAnalysisClock();
13749 GetTimeMark(&lastNodeCountTime);
13751 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13752 AnalysisPeriodicEvent(1);
13756 MachineWhiteEvent ()
13759 char *bookHit = NULL;
13761 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13765 if (gameMode == PlayFromGameFile ||
13766 gameMode == TwoMachinesPlay ||
13767 gameMode == Training ||
13768 gameMode == AnalyzeMode ||
13769 gameMode == EndOfGame)
13772 if (gameMode == EditPosition)
13773 EditPositionDone(TRUE);
13775 if (!WhiteOnMove(currentMove)) {
13776 DisplayError(_("It is not White's turn"), 0);
13780 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13783 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13784 gameMode == AnalyzeFile)
13787 ResurrectChessProgram(); /* in case it isn't running */
13788 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13789 gameMode = MachinePlaysWhite;
13792 gameMode = MachinePlaysWhite;
13796 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13798 if (first.sendName) {
13799 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13800 SendToProgram(buf, &first);
13802 if (first.sendTime) {
13803 if (first.useColors) {
13804 SendToProgram("black\n", &first); /*gnu kludge*/
13806 SendTimeRemaining(&first, TRUE);
13808 if (first.useColors) {
13809 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13811 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13812 SetMachineThinkingEnables();
13813 first.maybeThinking = TRUE;
13817 if (appData.autoFlipView && !flipView) {
13818 flipView = !flipView;
13819 DrawPosition(FALSE, NULL);
13820 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13823 if(bookHit) { // [HGM] book: simulate book reply
13824 static char bookMove[MSG_SIZ]; // a bit generous?
13826 programStats.nodes = programStats.depth = programStats.time =
13827 programStats.score = programStats.got_only_move = 0;
13828 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13830 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13831 strcat(bookMove, bookHit);
13832 HandleMachineMove(bookMove, &first);
13837 MachineBlackEvent ()
13840 char *bookHit = NULL;
13842 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13846 if (gameMode == PlayFromGameFile ||
13847 gameMode == TwoMachinesPlay ||
13848 gameMode == Training ||
13849 gameMode == AnalyzeMode ||
13850 gameMode == EndOfGame)
13853 if (gameMode == EditPosition)
13854 EditPositionDone(TRUE);
13856 if (WhiteOnMove(currentMove)) {
13857 DisplayError(_("It is not Black's turn"), 0);
13861 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13864 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13865 gameMode == AnalyzeFile)
13868 ResurrectChessProgram(); /* in case it isn't running */
13869 gameMode = MachinePlaysBlack;
13873 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13875 if (first.sendName) {
13876 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13877 SendToProgram(buf, &first);
13879 if (first.sendTime) {
13880 if (first.useColors) {
13881 SendToProgram("white\n", &first); /*gnu kludge*/
13883 SendTimeRemaining(&first, FALSE);
13885 if (first.useColors) {
13886 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13888 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13889 SetMachineThinkingEnables();
13890 first.maybeThinking = TRUE;
13893 if (appData.autoFlipView && flipView) {
13894 flipView = !flipView;
13895 DrawPosition(FALSE, NULL);
13896 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13898 if(bookHit) { // [HGM] book: simulate book reply
13899 static char bookMove[MSG_SIZ]; // a bit generous?
13901 programStats.nodes = programStats.depth = programStats.time =
13902 programStats.score = programStats.got_only_move = 0;
13903 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13905 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13906 strcat(bookMove, bookHit);
13907 HandleMachineMove(bookMove, &first);
13913 DisplayTwoMachinesTitle ()
13916 if (appData.matchGames > 0) {
13917 if(appData.tourneyFile[0]) {
13918 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13919 gameInfo.white, _("vs."), gameInfo.black,
13920 nextGame+1, appData.matchGames+1,
13921 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13923 if (first.twoMachinesColor[0] == 'w') {
13924 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13925 gameInfo.white, _("vs."), gameInfo.black,
13926 first.matchWins, second.matchWins,
13927 matchGame - 1 - (first.matchWins + second.matchWins));
13929 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13930 gameInfo.white, _("vs."), gameInfo.black,
13931 second.matchWins, first.matchWins,
13932 matchGame - 1 - (first.matchWins + second.matchWins));
13935 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13941 SettingsMenuIfReady ()
13943 if (second.lastPing != second.lastPong) {
13944 DisplayMessage("", _("Waiting for second chess program"));
13945 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13949 DisplayMessage("", "");
13950 SettingsPopUp(&second);
13954 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13957 if (cps->pr == NoProc) {
13958 StartChessProgram(cps);
13959 if (cps->protocolVersion == 1) {
13961 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
13963 /* kludge: allow timeout for initial "feature" command */
13964 if(retry != TwoMachinesEventIfReady) FreezeUI();
13965 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13966 DisplayMessage("", buf);
13967 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13975 TwoMachinesEvent P((void))
13979 ChessProgramState *onmove;
13980 char *bookHit = NULL;
13981 static int stalling = 0;
13985 if (appData.noChessProgram) return;
13987 switch (gameMode) {
13988 case TwoMachinesPlay:
13990 case MachinePlaysWhite:
13991 case MachinePlaysBlack:
13992 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13993 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13997 case BeginningOfGame:
13998 case PlayFromGameFile:
14001 if (gameMode != EditGame) return;
14004 EditPositionDone(TRUE);
14015 // forwardMostMove = currentMove;
14016 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14017 startingEngine = TRUE;
14019 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14021 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14022 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14023 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14026 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14028 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14029 startingEngine = FALSE;
14030 DisplayError("second engine does not play this", 0);
14035 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14036 SendToProgram("force\n", &second);
14038 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14041 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14042 if(appData.matchPause>10000 || appData.matchPause<10)
14043 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14044 wait = SubtractTimeMarks(&now, &pauseStart);
14045 if(wait < appData.matchPause) {
14046 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14049 // we are now committed to starting the game
14051 DisplayMessage("", "");
14052 if (startedFromSetupPosition) {
14053 SendBoard(&second, backwardMostMove);
14054 if (appData.debugMode) {
14055 fprintf(debugFP, "Two Machines\n");
14058 for (i = backwardMostMove; i < forwardMostMove; i++) {
14059 SendMoveToProgram(i, &second);
14062 gameMode = TwoMachinesPlay;
14063 pausing = startingEngine = FALSE;
14064 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14066 DisplayTwoMachinesTitle();
14068 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14073 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14074 SendToProgram(first.computerString, &first);
14075 if (first.sendName) {
14076 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14077 SendToProgram(buf, &first);
14079 SendToProgram(second.computerString, &second);
14080 if (second.sendName) {
14081 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14082 SendToProgram(buf, &second);
14086 if (!first.sendTime || !second.sendTime) {
14087 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14088 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14090 if (onmove->sendTime) {
14091 if (onmove->useColors) {
14092 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14094 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14096 if (onmove->useColors) {
14097 SendToProgram(onmove->twoMachinesColor, onmove);
14099 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14100 // SendToProgram("go\n", onmove);
14101 onmove->maybeThinking = TRUE;
14102 SetMachineThinkingEnables();
14106 if(bookHit) { // [HGM] book: simulate book reply
14107 static char bookMove[MSG_SIZ]; // a bit generous?
14109 programStats.nodes = programStats.depth = programStats.time =
14110 programStats.score = programStats.got_only_move = 0;
14111 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14113 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14114 strcat(bookMove, bookHit);
14115 savedMessage = bookMove; // args for deferred call
14116 savedState = onmove;
14117 ScheduleDelayedEvent(DeferredBookMove, 1);
14124 if (gameMode == Training) {
14125 SetTrainingModeOff();
14126 gameMode = PlayFromGameFile;
14127 DisplayMessage("", _("Training mode off"));
14129 gameMode = Training;
14130 animateTraining = appData.animate;
14132 /* make sure we are not already at the end of the game */
14133 if (currentMove < forwardMostMove) {
14134 SetTrainingModeOn();
14135 DisplayMessage("", _("Training mode on"));
14137 gameMode = PlayFromGameFile;
14138 DisplayError(_("Already at end of game"), 0);
14147 if (!appData.icsActive) return;
14148 switch (gameMode) {
14149 case IcsPlayingWhite:
14150 case IcsPlayingBlack:
14153 case BeginningOfGame:
14161 EditPositionDone(TRUE);
14174 gameMode = IcsIdle;
14184 switch (gameMode) {
14186 SetTrainingModeOff();
14188 case MachinePlaysWhite:
14189 case MachinePlaysBlack:
14190 case BeginningOfGame:
14191 SendToProgram("force\n", &first);
14192 SetUserThinkingEnables();
14194 case PlayFromGameFile:
14195 (void) StopLoadGameTimer();
14196 if (gameFileFP != NULL) {
14201 EditPositionDone(TRUE);
14206 SendToProgram("force\n", &first);
14208 case TwoMachinesPlay:
14209 GameEnds(EndOfFile, NULL, GE_PLAYER);
14210 ResurrectChessProgram();
14211 SetUserThinkingEnables();
14214 ResurrectChessProgram();
14216 case IcsPlayingBlack:
14217 case IcsPlayingWhite:
14218 DisplayError(_("Warning: You are still playing a game"), 0);
14221 DisplayError(_("Warning: You are still observing a game"), 0);
14224 DisplayError(_("Warning: You are still examining a game"), 0);
14235 first.offeredDraw = second.offeredDraw = 0;
14237 if (gameMode == PlayFromGameFile) {
14238 whiteTimeRemaining = timeRemaining[0][currentMove];
14239 blackTimeRemaining = timeRemaining[1][currentMove];
14243 if (gameMode == MachinePlaysWhite ||
14244 gameMode == MachinePlaysBlack ||
14245 gameMode == TwoMachinesPlay ||
14246 gameMode == EndOfGame) {
14247 i = forwardMostMove;
14248 while (i > currentMove) {
14249 SendToProgram("undo\n", &first);
14252 if(!adjustedClock) {
14253 whiteTimeRemaining = timeRemaining[0][currentMove];
14254 blackTimeRemaining = timeRemaining[1][currentMove];
14255 DisplayBothClocks();
14257 if (whiteFlag || blackFlag) {
14258 whiteFlag = blackFlag = 0;
14263 gameMode = EditGame;
14270 EditPositionEvent ()
14272 if (gameMode == EditPosition) {
14278 if (gameMode != EditGame) return;
14280 gameMode = EditPosition;
14283 if (currentMove > 0)
14284 CopyBoard(boards[0], boards[currentMove]);
14286 blackPlaysFirst = !WhiteOnMove(currentMove);
14288 currentMove = forwardMostMove = backwardMostMove = 0;
14289 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14291 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14297 /* [DM] icsEngineAnalyze - possible call from other functions */
14298 if (appData.icsEngineAnalyze) {
14299 appData.icsEngineAnalyze = FALSE;
14301 DisplayMessage("",_("Close ICS engine analyze..."));
14303 if (first.analysisSupport && first.analyzing) {
14304 SendToBoth("exit\n");
14305 first.analyzing = second.analyzing = FALSE;
14307 thinkOutput[0] = NULLCHAR;
14311 EditPositionDone (Boolean fakeRights)
14313 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14315 startedFromSetupPosition = TRUE;
14316 InitChessProgram(&first, FALSE);
14317 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14318 boards[0][EP_STATUS] = EP_NONE;
14319 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14320 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14321 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14322 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14323 } else boards[0][CASTLING][2] = NoRights;
14324 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14325 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14326 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14327 } else boards[0][CASTLING][5] = NoRights;
14328 if(gameInfo.variant == VariantSChess) {
14330 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14331 boards[0][VIRGIN][i] = 0;
14332 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14333 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14337 SendToProgram("force\n", &first);
14338 if (blackPlaysFirst) {
14339 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14340 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14341 currentMove = forwardMostMove = backwardMostMove = 1;
14342 CopyBoard(boards[1], boards[0]);
14344 currentMove = forwardMostMove = backwardMostMove = 0;
14346 SendBoard(&first, forwardMostMove);
14347 if (appData.debugMode) {
14348 fprintf(debugFP, "EditPosDone\n");
14351 DisplayMessage("", "");
14352 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14353 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14354 gameMode = EditGame;
14356 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14357 ClearHighlights(); /* [AS] */
14360 /* Pause for `ms' milliseconds */
14361 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14363 TimeDelay (long ms)
14370 } while (SubtractTimeMarks(&m2, &m1) < ms);
14373 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14375 SendMultiLineToICS (char *buf)
14377 char temp[MSG_SIZ+1], *p;
14384 strncpy(temp, buf, len);
14389 if (*p == '\n' || *p == '\r')
14394 strcat(temp, "\n");
14396 SendToPlayer(temp, strlen(temp));
14400 SetWhiteToPlayEvent ()
14402 if (gameMode == EditPosition) {
14403 blackPlaysFirst = FALSE;
14404 DisplayBothClocks(); /* works because currentMove is 0 */
14405 } else if (gameMode == IcsExamining) {
14406 SendToICS(ics_prefix);
14407 SendToICS("tomove white\n");
14412 SetBlackToPlayEvent ()
14414 if (gameMode == EditPosition) {
14415 blackPlaysFirst = TRUE;
14416 currentMove = 1; /* kludge */
14417 DisplayBothClocks();
14419 } else if (gameMode == IcsExamining) {
14420 SendToICS(ics_prefix);
14421 SendToICS("tomove black\n");
14426 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14429 ChessSquare piece = boards[0][y][x];
14431 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14433 switch (selection) {
14435 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14436 SendToICS(ics_prefix);
14437 SendToICS("bsetup clear\n");
14438 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14439 SendToICS(ics_prefix);
14440 SendToICS("clearboard\n");
14442 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14443 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14444 for (y = 0; y < BOARD_HEIGHT; y++) {
14445 if (gameMode == IcsExamining) {
14446 if (boards[currentMove][y][x] != EmptySquare) {
14447 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14452 boards[0][y][x] = p;
14457 if (gameMode == EditPosition) {
14458 DrawPosition(FALSE, boards[0]);
14463 SetWhiteToPlayEvent();
14467 SetBlackToPlayEvent();
14471 if (gameMode == IcsExamining) {
14472 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14473 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14476 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14477 if(x == BOARD_LEFT-2) {
14478 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14479 boards[0][y][1] = 0;
14481 if(x == BOARD_RGHT+1) {
14482 if(y >= gameInfo.holdingsSize) break;
14483 boards[0][y][BOARD_WIDTH-2] = 0;
14486 boards[0][y][x] = EmptySquare;
14487 DrawPosition(FALSE, boards[0]);
14492 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14493 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14494 selection = (ChessSquare) (PROMOTED piece);
14495 } else if(piece == EmptySquare) selection = WhiteSilver;
14496 else selection = (ChessSquare)((int)piece - 1);
14500 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14501 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14502 selection = (ChessSquare) (DEMOTED piece);
14503 } else if(piece == EmptySquare) selection = BlackSilver;
14504 else selection = (ChessSquare)((int)piece + 1);
14509 if(gameInfo.variant == VariantShatranj ||
14510 gameInfo.variant == VariantXiangqi ||
14511 gameInfo.variant == VariantCourier ||
14512 gameInfo.variant == VariantMakruk )
14513 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14518 if(gameInfo.variant == VariantXiangqi)
14519 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14520 if(gameInfo.variant == VariantKnightmate)
14521 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14524 if (gameMode == IcsExamining) {
14525 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14526 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14527 PieceToChar(selection), AAA + x, ONE + y);
14530 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14532 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14533 n = PieceToNumber(selection - BlackPawn);
14534 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14535 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14536 boards[0][BOARD_HEIGHT-1-n][1]++;
14538 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14539 n = PieceToNumber(selection);
14540 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14541 boards[0][n][BOARD_WIDTH-1] = selection;
14542 boards[0][n][BOARD_WIDTH-2]++;
14545 boards[0][y][x] = selection;
14546 DrawPosition(TRUE, boards[0]);
14548 fromX = fromY = -1;
14556 DropMenuEvent (ChessSquare selection, int x, int y)
14558 ChessMove moveType;
14560 switch (gameMode) {
14561 case IcsPlayingWhite:
14562 case MachinePlaysBlack:
14563 if (!WhiteOnMove(currentMove)) {
14564 DisplayMoveError(_("It is Black's turn"));
14567 moveType = WhiteDrop;
14569 case IcsPlayingBlack:
14570 case MachinePlaysWhite:
14571 if (WhiteOnMove(currentMove)) {
14572 DisplayMoveError(_("It is White's turn"));
14575 moveType = BlackDrop;
14578 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14584 if (moveType == BlackDrop && selection < BlackPawn) {
14585 selection = (ChessSquare) ((int) selection
14586 + (int) BlackPawn - (int) WhitePawn);
14588 if (boards[currentMove][y][x] != EmptySquare) {
14589 DisplayMoveError(_("That square is occupied"));
14593 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14599 /* Accept a pending offer of any kind from opponent */
14601 if (appData.icsActive) {
14602 SendToICS(ics_prefix);
14603 SendToICS("accept\n");
14604 } else if (cmailMsgLoaded) {
14605 if (currentMove == cmailOldMove &&
14606 commentList[cmailOldMove] != NULL &&
14607 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14608 "Black offers a draw" : "White offers a draw")) {
14610 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14611 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14613 DisplayError(_("There is no pending offer on this move"), 0);
14614 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14617 /* Not used for offers from chess program */
14624 /* Decline a pending offer of any kind from opponent */
14626 if (appData.icsActive) {
14627 SendToICS(ics_prefix);
14628 SendToICS("decline\n");
14629 } else if (cmailMsgLoaded) {
14630 if (currentMove == cmailOldMove &&
14631 commentList[cmailOldMove] != NULL &&
14632 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14633 "Black offers a draw" : "White offers a draw")) {
14635 AppendComment(cmailOldMove, "Draw declined", TRUE);
14636 DisplayComment(cmailOldMove - 1, "Draw declined");
14639 DisplayError(_("There is no pending offer on this move"), 0);
14642 /* Not used for offers from chess program */
14649 /* Issue ICS rematch command */
14650 if (appData.icsActive) {
14651 SendToICS(ics_prefix);
14652 SendToICS("rematch\n");
14659 /* Call your opponent's flag (claim a win on time) */
14660 if (appData.icsActive) {
14661 SendToICS(ics_prefix);
14662 SendToICS("flag\n");
14664 switch (gameMode) {
14667 case MachinePlaysWhite:
14670 GameEnds(GameIsDrawn, "Both players ran out of time",
14673 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14675 DisplayError(_("Your opponent is not out of time"), 0);
14678 case MachinePlaysBlack:
14681 GameEnds(GameIsDrawn, "Both players ran out of time",
14684 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14686 DisplayError(_("Your opponent is not out of time"), 0);
14694 ClockClick (int which)
14695 { // [HGM] code moved to back-end from winboard.c
14696 if(which) { // black clock
14697 if (gameMode == EditPosition || gameMode == IcsExamining) {
14698 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14699 SetBlackToPlayEvent();
14700 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14701 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14702 } else if (shiftKey) {
14703 AdjustClock(which, -1);
14704 } else if (gameMode == IcsPlayingWhite ||
14705 gameMode == MachinePlaysBlack) {
14708 } else { // white clock
14709 if (gameMode == EditPosition || gameMode == IcsExamining) {
14710 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14711 SetWhiteToPlayEvent();
14712 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14713 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14714 } else if (shiftKey) {
14715 AdjustClock(which, -1);
14716 } else if (gameMode == IcsPlayingBlack ||
14717 gameMode == MachinePlaysWhite) {
14726 /* Offer draw or accept pending draw offer from opponent */
14728 if (appData.icsActive) {
14729 /* Note: tournament rules require draw offers to be
14730 made after you make your move but before you punch
14731 your clock. Currently ICS doesn't let you do that;
14732 instead, you immediately punch your clock after making
14733 a move, but you can offer a draw at any time. */
14735 SendToICS(ics_prefix);
14736 SendToICS("draw\n");
14737 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14738 } else if (cmailMsgLoaded) {
14739 if (currentMove == cmailOldMove &&
14740 commentList[cmailOldMove] != NULL &&
14741 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14742 "Black offers a draw" : "White offers a draw")) {
14743 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14744 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14745 } else if (currentMove == cmailOldMove + 1) {
14746 char *offer = WhiteOnMove(cmailOldMove) ?
14747 "White offers a draw" : "Black offers a draw";
14748 AppendComment(currentMove, offer, TRUE);
14749 DisplayComment(currentMove - 1, offer);
14750 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14752 DisplayError(_("You must make your move before offering a draw"), 0);
14753 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14755 } else if (first.offeredDraw) {
14756 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14758 if (first.sendDrawOffers) {
14759 SendToProgram("draw\n", &first);
14760 userOfferedDraw = TRUE;
14768 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14770 if (appData.icsActive) {
14771 SendToICS(ics_prefix);
14772 SendToICS("adjourn\n");
14774 /* Currently GNU Chess doesn't offer or accept Adjourns */
14782 /* Offer Abort or accept pending Abort offer from opponent */
14784 if (appData.icsActive) {
14785 SendToICS(ics_prefix);
14786 SendToICS("abort\n");
14788 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14795 /* Resign. You can do this even if it's not your turn. */
14797 if (appData.icsActive) {
14798 SendToICS(ics_prefix);
14799 SendToICS("resign\n");
14801 switch (gameMode) {
14802 case MachinePlaysWhite:
14803 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14805 case MachinePlaysBlack:
14806 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14809 if (cmailMsgLoaded) {
14811 if (WhiteOnMove(cmailOldMove)) {
14812 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14814 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14816 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14827 StopObservingEvent ()
14829 /* Stop observing current games */
14830 SendToICS(ics_prefix);
14831 SendToICS("unobserve\n");
14835 StopExaminingEvent ()
14837 /* Stop observing current game */
14838 SendToICS(ics_prefix);
14839 SendToICS("unexamine\n");
14843 ForwardInner (int target)
14845 int limit; int oldSeekGraphUp = seekGraphUp;
14847 if (appData.debugMode)
14848 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14849 target, currentMove, forwardMostMove);
14851 if (gameMode == EditPosition)
14854 seekGraphUp = FALSE;
14855 MarkTargetSquares(1);
14857 if (gameMode == PlayFromGameFile && !pausing)
14860 if (gameMode == IcsExamining && pausing)
14861 limit = pauseExamForwardMostMove;
14863 limit = forwardMostMove;
14865 if (target > limit) target = limit;
14867 if (target > 0 && moveList[target - 1][0]) {
14868 int fromX, fromY, toX, toY;
14869 toX = moveList[target - 1][2] - AAA;
14870 toY = moveList[target - 1][3] - ONE;
14871 if (moveList[target - 1][1] == '@') {
14872 if (appData.highlightLastMove) {
14873 SetHighlights(-1, -1, toX, toY);
14876 fromX = moveList[target - 1][0] - AAA;
14877 fromY = moveList[target - 1][1] - ONE;
14878 if (target == currentMove + 1) {
14879 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14881 if (appData.highlightLastMove) {
14882 SetHighlights(fromX, fromY, toX, toY);
14886 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14887 gameMode == Training || gameMode == PlayFromGameFile ||
14888 gameMode == AnalyzeFile) {
14889 while (currentMove < target) {
14890 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14891 SendMoveToProgram(currentMove++, &first);
14894 currentMove = target;
14897 if (gameMode == EditGame || gameMode == EndOfGame) {
14898 whiteTimeRemaining = timeRemaining[0][currentMove];
14899 blackTimeRemaining = timeRemaining[1][currentMove];
14901 DisplayBothClocks();
14902 DisplayMove(currentMove - 1);
14903 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14904 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14905 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14906 DisplayComment(currentMove - 1, commentList[currentMove]);
14908 ClearMap(); // [HGM] exclude: invalidate map
14915 if (gameMode == IcsExamining && !pausing) {
14916 SendToICS(ics_prefix);
14917 SendToICS("forward\n");
14919 ForwardInner(currentMove + 1);
14926 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14927 /* to optimze, we temporarily turn off analysis mode while we feed
14928 * the remaining moves to the engine. Otherwise we get analysis output
14931 if (first.analysisSupport) {
14932 SendToProgram("exit\nforce\n", &first);
14933 first.analyzing = FALSE;
14937 if (gameMode == IcsExamining && !pausing) {
14938 SendToICS(ics_prefix);
14939 SendToICS("forward 999999\n");
14941 ForwardInner(forwardMostMove);
14944 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14945 /* we have fed all the moves, so reactivate analysis mode */
14946 SendToProgram("analyze\n", &first);
14947 first.analyzing = TRUE;
14948 /*first.maybeThinking = TRUE;*/
14949 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14954 BackwardInner (int target)
14956 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14958 if (appData.debugMode)
14959 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14960 target, currentMove, forwardMostMove);
14962 if (gameMode == EditPosition) return;
14963 seekGraphUp = FALSE;
14964 MarkTargetSquares(1);
14965 if (currentMove <= backwardMostMove) {
14967 DrawPosition(full_redraw, boards[currentMove]);
14970 if (gameMode == PlayFromGameFile && !pausing)
14973 if (moveList[target][0]) {
14974 int fromX, fromY, toX, toY;
14975 toX = moveList[target][2] - AAA;
14976 toY = moveList[target][3] - ONE;
14977 if (moveList[target][1] == '@') {
14978 if (appData.highlightLastMove) {
14979 SetHighlights(-1, -1, toX, toY);
14982 fromX = moveList[target][0] - AAA;
14983 fromY = moveList[target][1] - ONE;
14984 if (target == currentMove - 1) {
14985 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14987 if (appData.highlightLastMove) {
14988 SetHighlights(fromX, fromY, toX, toY);
14992 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14993 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14994 while (currentMove > target) {
14995 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14996 // null move cannot be undone. Reload program with move history before it.
14998 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14999 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15001 SendBoard(&first, i);
15002 if(second.analyzing) SendBoard(&second, i);
15003 for(currentMove=i; currentMove<target; currentMove++) {
15004 SendMoveToProgram(currentMove, &first);
15005 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15009 SendToBoth("undo\n");
15013 currentMove = target;
15016 if (gameMode == EditGame || gameMode == EndOfGame) {
15017 whiteTimeRemaining = timeRemaining[0][currentMove];
15018 blackTimeRemaining = timeRemaining[1][currentMove];
15020 DisplayBothClocks();
15021 DisplayMove(currentMove - 1);
15022 DrawPosition(full_redraw, boards[currentMove]);
15023 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15024 // [HGM] PV info: routine tests if comment empty
15025 DisplayComment(currentMove - 1, commentList[currentMove]);
15026 ClearMap(); // [HGM] exclude: invalidate map
15032 if (gameMode == IcsExamining && !pausing) {
15033 SendToICS(ics_prefix);
15034 SendToICS("backward\n");
15036 BackwardInner(currentMove - 1);
15043 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15044 /* to optimize, we temporarily turn off analysis mode while we undo
15045 * all the moves. Otherwise we get analysis output after each undo.
15047 if (first.analysisSupport) {
15048 SendToProgram("exit\nforce\n", &first);
15049 first.analyzing = FALSE;
15053 if (gameMode == IcsExamining && !pausing) {
15054 SendToICS(ics_prefix);
15055 SendToICS("backward 999999\n");
15057 BackwardInner(backwardMostMove);
15060 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15061 /* we have fed all the moves, so reactivate analysis mode */
15062 SendToProgram("analyze\n", &first);
15063 first.analyzing = TRUE;
15064 /*first.maybeThinking = TRUE;*/
15065 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15072 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15073 if (to >= forwardMostMove) to = forwardMostMove;
15074 if (to <= backwardMostMove) to = backwardMostMove;
15075 if (to < currentMove) {
15083 RevertEvent (Boolean annotate)
15085 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15088 if (gameMode != IcsExamining) {
15089 DisplayError(_("You are not examining a game"), 0);
15093 DisplayError(_("You can't revert while pausing"), 0);
15096 SendToICS(ics_prefix);
15097 SendToICS("revert\n");
15101 RetractMoveEvent ()
15103 switch (gameMode) {
15104 case MachinePlaysWhite:
15105 case MachinePlaysBlack:
15106 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15107 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15110 if (forwardMostMove < 2) return;
15111 currentMove = forwardMostMove = forwardMostMove - 2;
15112 whiteTimeRemaining = timeRemaining[0][currentMove];
15113 blackTimeRemaining = timeRemaining[1][currentMove];
15114 DisplayBothClocks();
15115 DisplayMove(currentMove - 1);
15116 ClearHighlights();/*!! could figure this out*/
15117 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15118 SendToProgram("remove\n", &first);
15119 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15122 case BeginningOfGame:
15126 case IcsPlayingWhite:
15127 case IcsPlayingBlack:
15128 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15129 SendToICS(ics_prefix);
15130 SendToICS("takeback 2\n");
15132 SendToICS(ics_prefix);
15133 SendToICS("takeback 1\n");
15142 ChessProgramState *cps;
15144 switch (gameMode) {
15145 case MachinePlaysWhite:
15146 if (!WhiteOnMove(forwardMostMove)) {
15147 DisplayError(_("It is your turn"), 0);
15152 case MachinePlaysBlack:
15153 if (WhiteOnMove(forwardMostMove)) {
15154 DisplayError(_("It is your turn"), 0);
15159 case TwoMachinesPlay:
15160 if (WhiteOnMove(forwardMostMove) ==
15161 (first.twoMachinesColor[0] == 'w')) {
15167 case BeginningOfGame:
15171 SendToProgram("?\n", cps);
15175 TruncateGameEvent ()
15178 if (gameMode != EditGame) return;
15185 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15186 if (forwardMostMove > currentMove) {
15187 if (gameInfo.resultDetails != NULL) {
15188 free(gameInfo.resultDetails);
15189 gameInfo.resultDetails = NULL;
15190 gameInfo.result = GameUnfinished;
15192 forwardMostMove = currentMove;
15193 HistorySet(parseList, backwardMostMove, forwardMostMove,
15201 if (appData.noChessProgram) return;
15202 switch (gameMode) {
15203 case MachinePlaysWhite:
15204 if (WhiteOnMove(forwardMostMove)) {
15205 DisplayError(_("Wait until your turn"), 0);
15209 case BeginningOfGame:
15210 case MachinePlaysBlack:
15211 if (!WhiteOnMove(forwardMostMove)) {
15212 DisplayError(_("Wait until your turn"), 0);
15217 DisplayError(_("No hint available"), 0);
15220 SendToProgram("hint\n", &first);
15221 hintRequested = TRUE;
15227 ListGame * lg = (ListGame *) gameList.head;
15230 static int secondTime = FALSE;
15232 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15233 DisplayError(_("Game list not loaded or empty"), 0);
15237 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15240 DisplayNote(_("Book file exists! Try again for overwrite."));
15244 creatingBook = TRUE;
15245 secondTime = FALSE;
15247 /* Get list size */
15248 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15249 LoadGame(f, nItem, "", TRUE);
15250 AddGameToBook(TRUE);
15251 lg = (ListGame *) lg->node.succ;
15254 creatingBook = FALSE;
15261 if (appData.noChessProgram) return;
15262 switch (gameMode) {
15263 case MachinePlaysWhite:
15264 if (WhiteOnMove(forwardMostMove)) {
15265 DisplayError(_("Wait until your turn"), 0);
15269 case BeginningOfGame:
15270 case MachinePlaysBlack:
15271 if (!WhiteOnMove(forwardMostMove)) {
15272 DisplayError(_("Wait until your turn"), 0);
15277 EditPositionDone(TRUE);
15279 case TwoMachinesPlay:
15284 SendToProgram("bk\n", &first);
15285 bookOutput[0] = NULLCHAR;
15286 bookRequested = TRUE;
15292 char *tags = PGNTags(&gameInfo);
15293 TagsPopUp(tags, CmailMsg());
15297 /* end button procedures */
15300 PrintPosition (FILE *fp, int move)
15304 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15305 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15306 char c = PieceToChar(boards[move][i][j]);
15307 fputc(c == 'x' ? '.' : c, fp);
15308 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15311 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15312 fprintf(fp, "white to play\n");
15314 fprintf(fp, "black to play\n");
15318 PrintOpponents (FILE *fp)
15320 if (gameInfo.white != NULL) {
15321 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15327 /* Find last component of program's own name, using some heuristics */
15329 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15332 int local = (strcmp(host, "localhost") == 0);
15333 while (!local && (p = strchr(prog, ';')) != NULL) {
15335 while (*p == ' ') p++;
15338 if (*prog == '"' || *prog == '\'') {
15339 q = strchr(prog + 1, *prog);
15341 q = strchr(prog, ' ');
15343 if (q == NULL) q = prog + strlen(prog);
15345 while (p >= prog && *p != '/' && *p != '\\') p--;
15347 if(p == prog && *p == '"') p++;
15349 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15350 memcpy(buf, p, q - p);
15351 buf[q - p] = NULLCHAR;
15359 TimeControlTagValue ()
15362 if (!appData.clockMode) {
15363 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15364 } else if (movesPerSession > 0) {
15365 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15366 } else if (timeIncrement == 0) {
15367 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15369 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15371 return StrSave(buf);
15377 /* This routine is used only for certain modes */
15378 VariantClass v = gameInfo.variant;
15379 ChessMove r = GameUnfinished;
15382 if(keepInfo) return;
15384 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15385 r = gameInfo.result;
15386 p = gameInfo.resultDetails;
15387 gameInfo.resultDetails = NULL;
15389 ClearGameInfo(&gameInfo);
15390 gameInfo.variant = v;
15392 switch (gameMode) {
15393 case MachinePlaysWhite:
15394 gameInfo.event = StrSave( appData.pgnEventHeader );
15395 gameInfo.site = StrSave(HostName());
15396 gameInfo.date = PGNDate();
15397 gameInfo.round = StrSave("-");
15398 gameInfo.white = StrSave(first.tidy);
15399 gameInfo.black = StrSave(UserName());
15400 gameInfo.timeControl = TimeControlTagValue();
15403 case MachinePlaysBlack:
15404 gameInfo.event = StrSave( appData.pgnEventHeader );
15405 gameInfo.site = StrSave(HostName());
15406 gameInfo.date = PGNDate();
15407 gameInfo.round = StrSave("-");
15408 gameInfo.white = StrSave(UserName());
15409 gameInfo.black = StrSave(first.tidy);
15410 gameInfo.timeControl = TimeControlTagValue();
15413 case TwoMachinesPlay:
15414 gameInfo.event = StrSave( appData.pgnEventHeader );
15415 gameInfo.site = StrSave(HostName());
15416 gameInfo.date = PGNDate();
15419 snprintf(buf, MSG_SIZ, "%d", roundNr);
15420 gameInfo.round = StrSave(buf);
15422 gameInfo.round = StrSave("-");
15424 if (first.twoMachinesColor[0] == 'w') {
15425 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15426 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15428 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15429 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15431 gameInfo.timeControl = TimeControlTagValue();
15435 gameInfo.event = StrSave("Edited game");
15436 gameInfo.site = StrSave(HostName());
15437 gameInfo.date = PGNDate();
15438 gameInfo.round = StrSave("-");
15439 gameInfo.white = StrSave("-");
15440 gameInfo.black = StrSave("-");
15441 gameInfo.result = r;
15442 gameInfo.resultDetails = p;
15446 gameInfo.event = StrSave("Edited position");
15447 gameInfo.site = StrSave(HostName());
15448 gameInfo.date = PGNDate();
15449 gameInfo.round = StrSave("-");
15450 gameInfo.white = StrSave("-");
15451 gameInfo.black = StrSave("-");
15454 case IcsPlayingWhite:
15455 case IcsPlayingBlack:
15460 case PlayFromGameFile:
15461 gameInfo.event = StrSave("Game from non-PGN file");
15462 gameInfo.site = StrSave(HostName());
15463 gameInfo.date = PGNDate();
15464 gameInfo.round = StrSave("-");
15465 gameInfo.white = StrSave("?");
15466 gameInfo.black = StrSave("?");
15475 ReplaceComment (int index, char *text)
15481 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15482 pvInfoList[index-1].depth == len &&
15483 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15484 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15485 while (*text == '\n') text++;
15486 len = strlen(text);
15487 while (len > 0 && text[len - 1] == '\n') len--;
15489 if (commentList[index] != NULL)
15490 free(commentList[index]);
15493 commentList[index] = NULL;
15496 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15497 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15498 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15499 commentList[index] = (char *) malloc(len + 2);
15500 strncpy(commentList[index], text, len);
15501 commentList[index][len] = '\n';
15502 commentList[index][len + 1] = NULLCHAR;
15504 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15506 commentList[index] = (char *) malloc(len + 7);
15507 safeStrCpy(commentList[index], "{\n", 3);
15508 safeStrCpy(commentList[index]+2, text, len+1);
15509 commentList[index][len+2] = NULLCHAR;
15510 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15511 strcat(commentList[index], "\n}\n");
15516 CrushCRs (char *text)
15524 if (ch == '\r') continue;
15526 } while (ch != '\0');
15530 AppendComment (int index, char *text, Boolean addBraces)
15531 /* addBraces tells if we should add {} */
15536 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
15537 if(addBraces == 3) addBraces = 0; else // force appending literally
15538 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15541 while (*text == '\n') text++;
15542 len = strlen(text);
15543 while (len > 0 && text[len - 1] == '\n') len--;
15544 text[len] = NULLCHAR;
15546 if (len == 0) return;
15548 if (commentList[index] != NULL) {
15549 Boolean addClosingBrace = addBraces;
15550 old = commentList[index];
15551 oldlen = strlen(old);
15552 while(commentList[index][oldlen-1] == '\n')
15553 commentList[index][--oldlen] = NULLCHAR;
15554 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15555 safeStrCpy(commentList[index], old, oldlen + len + 6);
15557 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15558 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15559 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15560 while (*text == '\n') { text++; len--; }
15561 commentList[index][--oldlen] = NULLCHAR;
15563 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15564 else strcat(commentList[index], "\n");
15565 strcat(commentList[index], text);
15566 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15567 else strcat(commentList[index], "\n");
15569 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15571 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15572 else commentList[index][0] = NULLCHAR;
15573 strcat(commentList[index], text);
15574 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15575 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15580 FindStr (char * text, char * sub_text)
15582 char * result = strstr( text, sub_text );
15584 if( result != NULL ) {
15585 result += strlen( sub_text );
15591 /* [AS] Try to extract PV info from PGN comment */
15592 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15594 GetInfoFromComment (int index, char * text)
15596 char * sep = text, *p;
15598 if( text != NULL && index > 0 ) {
15601 int time = -1, sec = 0, deci;
15602 char * s_eval = FindStr( text, "[%eval " );
15603 char * s_emt = FindStr( text, "[%emt " );
15605 if( s_eval != NULL || s_emt != NULL ) {
15607 if(0) { // [HGM] this code is not finished, and could actually be detrimental
15612 if( s_eval != NULL ) {
15613 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15617 if( delim != ']' ) {
15622 if( s_emt != NULL ) {
15627 /* We expect something like: [+|-]nnn.nn/dd */
15630 if(*text != '{') return text; // [HGM] braces: must be normal comment
15632 sep = strchr( text, '/' );
15633 if( sep == NULL || sep < (text+4) ) {
15638 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
15639 if(p[1] == '(') { // comment starts with PV
15640 p = strchr(p, ')'); // locate end of PV
15641 if(p == NULL || sep < p+5) return text;
15642 // at this point we have something like "{(.*) +0.23/6 ..."
15643 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15644 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15645 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15647 time = -1; sec = -1; deci = -1;
15648 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15649 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15650 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15651 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15655 if( score_lo < 0 || score_lo >= 100 ) {
15659 if(sec >= 0) time = 600*time + 10*sec; else
15660 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15662 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
15664 /* [HGM] PV time: now locate end of PV info */
15665 while( *++sep >= '0' && *sep <= '9'); // strip depth
15667 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15669 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15671 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15672 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15683 pvInfoList[index-1].depth = depth;
15684 pvInfoList[index-1].score = score;
15685 pvInfoList[index-1].time = 10*time; // centi-sec
15686 if(*sep == '}') *sep = 0; else *--sep = '{';
15687 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15693 SendToProgram (char *message, ChessProgramState *cps)
15695 int count, outCount, error;
15698 if (cps->pr == NoProc) return;
15701 if (appData.debugMode) {
15704 fprintf(debugFP, "%ld >%-6s: %s",
15705 SubtractTimeMarks(&now, &programStartTime),
15706 cps->which, message);
15708 fprintf(serverFP, "%ld >%-6s: %s",
15709 SubtractTimeMarks(&now, &programStartTime),
15710 cps->which, message), fflush(serverFP);
15713 count = strlen(message);
15714 outCount = OutputToProcess(cps->pr, message, count, &error);
15715 if (outCount < count && !exiting
15716 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15717 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15718 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15719 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15720 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15721 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15722 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15723 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15725 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15726 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15727 gameInfo.result = res;
15729 gameInfo.resultDetails = StrSave(buf);
15731 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15732 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15737 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15741 ChessProgramState *cps = (ChessProgramState *)closure;
15743 if (isr != cps->isr) return; /* Killed intentionally */
15746 RemoveInputSource(cps->isr);
15747 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15748 _(cps->which), cps->program);
15749 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15750 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15751 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15752 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15753 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15754 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15756 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15757 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15758 gameInfo.result = res;
15760 gameInfo.resultDetails = StrSave(buf);
15762 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15763 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15765 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15766 _(cps->which), cps->program);
15767 RemoveInputSource(cps->isr);
15769 /* [AS] Program is misbehaving badly... kill it */
15770 if( count == -2 ) {
15771 DestroyChildProcess( cps->pr, 9 );
15775 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15780 if ((end_str = strchr(message, '\r')) != NULL)
15781 *end_str = NULLCHAR;
15782 if ((end_str = strchr(message, '\n')) != NULL)
15783 *end_str = NULLCHAR;
15785 if (appData.debugMode) {
15786 TimeMark now; int print = 1;
15787 char *quote = ""; char c; int i;
15789 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15790 char start = message[0];
15791 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15792 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15793 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15794 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15795 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15796 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15797 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15798 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15799 sscanf(message, "hint: %c", &c)!=1 &&
15800 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15801 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15802 print = (appData.engineComments >= 2);
15804 message[0] = start; // restore original message
15808 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15809 SubtractTimeMarks(&now, &programStartTime), cps->which,
15813 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15814 SubtractTimeMarks(&now, &programStartTime), cps->which,
15816 message), fflush(serverFP);
15820 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15821 if (appData.icsEngineAnalyze) {
15822 if (strstr(message, "whisper") != NULL ||
15823 strstr(message, "kibitz") != NULL ||
15824 strstr(message, "tellics") != NULL) return;
15827 HandleMachineMove(message, cps);
15832 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15837 if( timeControl_2 > 0 ) {
15838 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15839 tc = timeControl_2;
15842 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15843 inc /= cps->timeOdds;
15844 st /= cps->timeOdds;
15846 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15849 /* Set exact time per move, normally using st command */
15850 if (cps->stKludge) {
15851 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15853 if (seconds == 0) {
15854 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15856 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15859 snprintf(buf, MSG_SIZ, "st %d\n", st);
15862 /* Set conventional or incremental time control, using level command */
15863 if (seconds == 0) {
15864 /* Note old gnuchess bug -- minutes:seconds used to not work.
15865 Fixed in later versions, but still avoid :seconds
15866 when seconds is 0. */
15867 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15869 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15870 seconds, inc/1000.);
15873 SendToProgram(buf, cps);
15875 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15876 /* Orthogonally, limit search to given depth */
15878 if (cps->sdKludge) {
15879 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15881 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15883 SendToProgram(buf, cps);
15886 if(cps->nps >= 0) { /* [HGM] nps */
15887 if(cps->supportsNPS == FALSE)
15888 cps->nps = -1; // don't use if engine explicitly says not supported!
15890 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15891 SendToProgram(buf, cps);
15896 ChessProgramState *
15898 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15900 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15901 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15907 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15909 char message[MSG_SIZ];
15912 /* Note: this routine must be called when the clocks are stopped
15913 or when they have *just* been set or switched; otherwise
15914 it will be off by the time since the current tick started.
15916 if (machineWhite) {
15917 time = whiteTimeRemaining / 10;
15918 otime = blackTimeRemaining / 10;
15920 time = blackTimeRemaining / 10;
15921 otime = whiteTimeRemaining / 10;
15923 /* [HGM] translate opponent's time by time-odds factor */
15924 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15926 if (time <= 0) time = 1;
15927 if (otime <= 0) otime = 1;
15929 snprintf(message, MSG_SIZ, "time %ld\n", time);
15930 SendToProgram(message, cps);
15932 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15933 SendToProgram(message, cps);
15937 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15940 int len = strlen(name);
15943 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15945 sscanf(*p, "%d", &val);
15947 while (**p && **p != ' ')
15949 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15950 SendToProgram(buf, cps);
15957 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15960 int len = strlen(name);
15961 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15963 sscanf(*p, "%d", loc);
15964 while (**p && **p != ' ') (*p)++;
15965 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15966 SendToProgram(buf, cps);
15973 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
15976 int len = strlen(name);
15977 if (strncmp((*p), name, len) == 0
15978 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15980 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
15981 sscanf(*p, "%[^\"]", *loc);
15982 while (**p && **p != '\"') (*p)++;
15983 if (**p == '\"') (*p)++;
15984 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15985 SendToProgram(buf, cps);
15992 ParseOption (Option *opt, ChessProgramState *cps)
15993 // [HGM] options: process the string that defines an engine option, and determine
15994 // name, type, default value, and allowed value range
15996 char *p, *q, buf[MSG_SIZ];
15997 int n, min = (-1)<<31, max = 1<<31, def;
15999 if(p = strstr(opt->name, " -spin ")) {
16000 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16001 if(max < min) max = min; // enforce consistency
16002 if(def < min) def = min;
16003 if(def > max) def = max;
16008 } else if((p = strstr(opt->name, " -slider "))) {
16009 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16010 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16011 if(max < min) max = min; // enforce consistency
16012 if(def < min) def = min;
16013 if(def > max) def = max;
16017 opt->type = Spin; // Slider;
16018 } else if((p = strstr(opt->name, " -string "))) {
16019 opt->textValue = p+9;
16020 opt->type = TextBox;
16021 } else if((p = strstr(opt->name, " -file "))) {
16022 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16023 opt->textValue = p+7;
16024 opt->type = FileName; // FileName;
16025 } else if((p = strstr(opt->name, " -path "))) {
16026 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16027 opt->textValue = p+7;
16028 opt->type = PathName; // PathName;
16029 } else if(p = strstr(opt->name, " -check ")) {
16030 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16031 opt->value = (def != 0);
16032 opt->type = CheckBox;
16033 } else if(p = strstr(opt->name, " -combo ")) {
16034 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16035 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16036 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16037 opt->value = n = 0;
16038 while(q = StrStr(q, " /// ")) {
16039 n++; *q = 0; // count choices, and null-terminate each of them
16041 if(*q == '*') { // remember default, which is marked with * prefix
16045 cps->comboList[cps->comboCnt++] = q;
16047 cps->comboList[cps->comboCnt++] = NULL;
16049 opt->type = ComboBox;
16050 } else if(p = strstr(opt->name, " -button")) {
16051 opt->type = Button;
16052 } else if(p = strstr(opt->name, " -save")) {
16053 opt->type = SaveButton;
16054 } else return FALSE;
16055 *p = 0; // terminate option name
16056 // now look if the command-line options define a setting for this engine option.
16057 if(cps->optionSettings && cps->optionSettings[0])
16058 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16059 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16060 snprintf(buf, MSG_SIZ, "option %s", p);
16061 if(p = strstr(buf, ",")) *p = 0;
16062 if(q = strchr(buf, '=')) switch(opt->type) {
16064 for(n=0; n<opt->max; n++)
16065 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16068 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16072 opt->value = atoi(q+1);
16077 SendToProgram(buf, cps);
16083 FeatureDone (ChessProgramState *cps, int val)
16085 DelayedEventCallback cb = GetDelayedEvent();
16086 if ((cb == InitBackEnd3 && cps == &first) ||
16087 (cb == SettingsMenuIfReady && cps == &second) ||
16088 (cb == LoadEngine) ||
16089 (cb == TwoMachinesEventIfReady)) {
16090 CancelDelayedEvent();
16091 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16093 cps->initDone = val;
16094 if(val) cps->reload = FALSE;
16097 /* Parse feature command from engine */
16099 ParseFeatures (char *args, ChessProgramState *cps)
16107 while (*p == ' ') p++;
16108 if (*p == NULLCHAR) return;
16110 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16111 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16112 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16113 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16114 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16115 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16116 if (BoolFeature(&p, "reuse", &val, cps)) {
16117 /* Engine can disable reuse, but can't enable it if user said no */
16118 if (!val) cps->reuse = FALSE;
16121 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16122 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16123 if (gameMode == TwoMachinesPlay) {
16124 DisplayTwoMachinesTitle();
16130 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16131 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16132 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16133 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16134 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16135 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16136 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16137 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16138 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16139 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16140 if (IntFeature(&p, "done", &val, cps)) {
16141 FeatureDone(cps, val);
16144 /* Added by Tord: */
16145 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16146 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16147 /* End of additions by Tord */
16149 /* [HGM] added features: */
16150 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16151 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16152 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16153 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16154 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16155 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16156 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16157 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16158 FREE(cps->option[cps->nrOptions].name);
16159 cps->option[cps->nrOptions].name = q; q = NULL;
16160 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16161 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16162 SendToProgram(buf, cps);
16165 if(cps->nrOptions >= MAX_OPTIONS) {
16167 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16168 DisplayError(buf, 0);
16172 /* End of additions by HGM */
16174 /* unknown feature: complain and skip */
16176 while (*q && *q != '=') q++;
16177 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16178 SendToProgram(buf, cps);
16184 while (*p && *p != '\"') p++;
16185 if (*p == '\"') p++;
16187 while (*p && *p != ' ') p++;
16195 PeriodicUpdatesEvent (int newState)
16197 if (newState == appData.periodicUpdates)
16200 appData.periodicUpdates=newState;
16202 /* Display type changes, so update it now */
16203 // DisplayAnalysis();
16205 /* Get the ball rolling again... */
16207 AnalysisPeriodicEvent(1);
16208 StartAnalysisClock();
16213 PonderNextMoveEvent (int newState)
16215 if (newState == appData.ponderNextMove) return;
16216 if (gameMode == EditPosition) EditPositionDone(TRUE);
16218 SendToProgram("hard\n", &first);
16219 if (gameMode == TwoMachinesPlay) {
16220 SendToProgram("hard\n", &second);
16223 SendToProgram("easy\n", &first);
16224 thinkOutput[0] = NULLCHAR;
16225 if (gameMode == TwoMachinesPlay) {
16226 SendToProgram("easy\n", &second);
16229 appData.ponderNextMove = newState;
16233 NewSettingEvent (int option, int *feature, char *command, int value)
16237 if (gameMode == EditPosition) EditPositionDone(TRUE);
16238 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16239 if(feature == NULL || *feature) SendToProgram(buf, &first);
16240 if (gameMode == TwoMachinesPlay) {
16241 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16246 ShowThinkingEvent ()
16247 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16249 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16250 int newState = appData.showThinking
16251 // [HGM] thinking: other features now need thinking output as well
16252 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16254 if (oldState == newState) return;
16255 oldState = newState;
16256 if (gameMode == EditPosition) EditPositionDone(TRUE);
16258 SendToProgram("post\n", &first);
16259 if (gameMode == TwoMachinesPlay) {
16260 SendToProgram("post\n", &second);
16263 SendToProgram("nopost\n", &first);
16264 thinkOutput[0] = NULLCHAR;
16265 if (gameMode == TwoMachinesPlay) {
16266 SendToProgram("nopost\n", &second);
16269 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16273 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16275 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16276 if (pr == NoProc) return;
16277 AskQuestion(title, question, replyPrefix, pr);
16281 TypeInEvent (char firstChar)
16283 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16284 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16285 gameMode == AnalyzeMode || gameMode == EditGame ||
16286 gameMode == EditPosition || gameMode == IcsExamining ||
16287 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16288 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16289 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16290 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16291 gameMode == Training) PopUpMoveDialog(firstChar);
16295 TypeInDoneEvent (char *move)
16298 int n, fromX, fromY, toX, toY;
16300 ChessMove moveType;
16303 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16304 EditPositionPasteFEN(move);
16307 // [HGM] movenum: allow move number to be typed in any mode
16308 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16312 // undocumented kludge: allow command-line option to be typed in!
16313 // (potentially fatal, and does not implement the effect of the option.)
16314 // should only be used for options that are values on which future decisions will be made,
16315 // and definitely not on options that would be used during initialization.
16316 if(strstr(move, "!!! -") == move) {
16317 ParseArgsFromString(move+4);
16321 if (gameMode != EditGame && currentMove != forwardMostMove &&
16322 gameMode != Training) {
16323 DisplayMoveError(_("Displayed move is not current"));
16325 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16326 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16327 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16328 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16329 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16330 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16332 DisplayMoveError(_("Could not parse move"));
16338 DisplayMove (int moveNumber)
16340 char message[MSG_SIZ];
16342 char cpThinkOutput[MSG_SIZ];
16344 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16346 if (moveNumber == forwardMostMove - 1 ||
16347 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16349 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16351 if (strchr(cpThinkOutput, '\n')) {
16352 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16355 *cpThinkOutput = NULLCHAR;
16358 /* [AS] Hide thinking from human user */
16359 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16360 *cpThinkOutput = NULLCHAR;
16361 if( thinkOutput[0] != NULLCHAR ) {
16364 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16365 cpThinkOutput[i] = '.';
16367 cpThinkOutput[i] = NULLCHAR;
16368 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16372 if (moveNumber == forwardMostMove - 1 &&
16373 gameInfo.resultDetails != NULL) {
16374 if (gameInfo.resultDetails[0] == NULLCHAR) {
16375 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16377 snprintf(res, MSG_SIZ, " {%s} %s",
16378 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16384 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16385 DisplayMessage(res, cpThinkOutput);
16387 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16388 WhiteOnMove(moveNumber) ? " " : ".. ",
16389 parseList[moveNumber], res);
16390 DisplayMessage(message, cpThinkOutput);
16395 DisplayComment (int moveNumber, char *text)
16397 char title[MSG_SIZ];
16399 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16400 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16402 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16403 WhiteOnMove(moveNumber) ? " " : ".. ",
16404 parseList[moveNumber]);
16406 if (text != NULL && (appData.autoDisplayComment || commentUp))
16407 CommentPopUp(title, text);
16410 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16411 * might be busy thinking or pondering. It can be omitted if your
16412 * gnuchess is configured to stop thinking immediately on any user
16413 * input. However, that gnuchess feature depends on the FIONREAD
16414 * ioctl, which does not work properly on some flavors of Unix.
16417 Attention (ChessProgramState *cps)
16420 if (!cps->useSigint) return;
16421 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16422 switch (gameMode) {
16423 case MachinePlaysWhite:
16424 case MachinePlaysBlack:
16425 case TwoMachinesPlay:
16426 case IcsPlayingWhite:
16427 case IcsPlayingBlack:
16430 /* Skip if we know it isn't thinking */
16431 if (!cps->maybeThinking) return;
16432 if (appData.debugMode)
16433 fprintf(debugFP, "Interrupting %s\n", cps->which);
16434 InterruptChildProcess(cps->pr);
16435 cps->maybeThinking = FALSE;
16440 #endif /*ATTENTION*/
16446 if (whiteTimeRemaining <= 0) {
16449 if (appData.icsActive) {
16450 if (appData.autoCallFlag &&
16451 gameMode == IcsPlayingBlack && !blackFlag) {
16452 SendToICS(ics_prefix);
16453 SendToICS("flag\n");
16457 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16459 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16460 if (appData.autoCallFlag) {
16461 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16468 if (blackTimeRemaining <= 0) {
16471 if (appData.icsActive) {
16472 if (appData.autoCallFlag &&
16473 gameMode == IcsPlayingWhite && !whiteFlag) {
16474 SendToICS(ics_prefix);
16475 SendToICS("flag\n");
16479 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16481 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16482 if (appData.autoCallFlag) {
16483 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16494 CheckTimeControl ()
16496 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16497 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16500 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16502 if ( !WhiteOnMove(forwardMostMove) ) {
16503 /* White made time control */
16504 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16505 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16506 /* [HGM] time odds: correct new time quota for time odds! */
16507 / WhitePlayer()->timeOdds;
16508 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16510 lastBlack -= blackTimeRemaining;
16511 /* Black made time control */
16512 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16513 / WhitePlayer()->other->timeOdds;
16514 lastWhite = whiteTimeRemaining;
16519 DisplayBothClocks ()
16521 int wom = gameMode == EditPosition ?
16522 !blackPlaysFirst : WhiteOnMove(currentMove);
16523 DisplayWhiteClock(whiteTimeRemaining, wom);
16524 DisplayBlackClock(blackTimeRemaining, !wom);
16528 /* Timekeeping seems to be a portability nightmare. I think everyone
16529 has ftime(), but I'm really not sure, so I'm including some ifdefs
16530 to use other calls if you don't. Clocks will be less accurate if
16531 you have neither ftime nor gettimeofday.
16534 /* VS 2008 requires the #include outside of the function */
16535 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16536 #include <sys/timeb.h>
16539 /* Get the current time as a TimeMark */
16541 GetTimeMark (TimeMark *tm)
16543 #if HAVE_GETTIMEOFDAY
16545 struct timeval timeVal;
16546 struct timezone timeZone;
16548 gettimeofday(&timeVal, &timeZone);
16549 tm->sec = (long) timeVal.tv_sec;
16550 tm->ms = (int) (timeVal.tv_usec / 1000L);
16552 #else /*!HAVE_GETTIMEOFDAY*/
16555 // include <sys/timeb.h> / moved to just above start of function
16556 struct timeb timeB;
16559 tm->sec = (long) timeB.time;
16560 tm->ms = (int) timeB.millitm;
16562 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16563 tm->sec = (long) time(NULL);
16569 /* Return the difference in milliseconds between two
16570 time marks. We assume the difference will fit in a long!
16573 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16575 return 1000L*(tm2->sec - tm1->sec) +
16576 (long) (tm2->ms - tm1->ms);
16581 * Code to manage the game clocks.
16583 * In tournament play, black starts the clock and then white makes a move.
16584 * We give the human user a slight advantage if he is playing white---the
16585 * clocks don't run until he makes his first move, so it takes zero time.
16586 * Also, we don't account for network lag, so we could get out of sync
16587 * with GNU Chess's clock -- but then, referees are always right.
16590 static TimeMark tickStartTM;
16591 static long intendedTickLength;
16594 NextTickLength (long timeRemaining)
16596 long nominalTickLength, nextTickLength;
16598 if (timeRemaining > 0L && timeRemaining <= 10000L)
16599 nominalTickLength = 100L;
16601 nominalTickLength = 1000L;
16602 nextTickLength = timeRemaining % nominalTickLength;
16603 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16605 return nextTickLength;
16608 /* Adjust clock one minute up or down */
16610 AdjustClock (Boolean which, int dir)
16612 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16613 if(which) blackTimeRemaining += 60000*dir;
16614 else whiteTimeRemaining += 60000*dir;
16615 DisplayBothClocks();
16616 adjustedClock = TRUE;
16619 /* Stop clocks and reset to a fresh time control */
16623 (void) StopClockTimer();
16624 if (appData.icsActive) {
16625 whiteTimeRemaining = blackTimeRemaining = 0;
16626 } else if (searchTime) {
16627 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16628 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16629 } else { /* [HGM] correct new time quote for time odds */
16630 whiteTC = blackTC = fullTimeControlString;
16631 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16632 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16634 if (whiteFlag || blackFlag) {
16636 whiteFlag = blackFlag = FALSE;
16638 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16639 DisplayBothClocks();
16640 adjustedClock = FALSE;
16643 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16645 /* Decrement running clock by amount of time that has passed */
16649 long timeRemaining;
16650 long lastTickLength, fudge;
16653 if (!appData.clockMode) return;
16654 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16658 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16660 /* Fudge if we woke up a little too soon */
16661 fudge = intendedTickLength - lastTickLength;
16662 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16664 if (WhiteOnMove(forwardMostMove)) {
16665 if(whiteNPS >= 0) lastTickLength = 0;
16666 timeRemaining = whiteTimeRemaining -= lastTickLength;
16667 if(timeRemaining < 0 && !appData.icsActive) {
16668 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16669 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16670 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16671 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16674 DisplayWhiteClock(whiteTimeRemaining - fudge,
16675 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16677 if(blackNPS >= 0) lastTickLength = 0;
16678 timeRemaining = blackTimeRemaining -= lastTickLength;
16679 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16680 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16682 blackStartMove = forwardMostMove;
16683 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16686 DisplayBlackClock(blackTimeRemaining - fudge,
16687 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16689 if (CheckFlags()) return;
16691 if(twoBoards) { // count down secondary board's clocks as well
16692 activePartnerTime -= lastTickLength;
16694 if(activePartner == 'W')
16695 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16697 DisplayBlackClock(activePartnerTime, TRUE);
16702 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16703 StartClockTimer(intendedTickLength);
16705 /* if the time remaining has fallen below the alarm threshold, sound the
16706 * alarm. if the alarm has sounded and (due to a takeback or time control
16707 * with increment) the time remaining has increased to a level above the
16708 * threshold, reset the alarm so it can sound again.
16711 if (appData.icsActive && appData.icsAlarm) {
16713 /* make sure we are dealing with the user's clock */
16714 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16715 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16718 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16719 alarmSounded = FALSE;
16720 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16722 alarmSounded = TRUE;
16728 /* A player has just moved, so stop the previously running
16729 clock and (if in clock mode) start the other one.
16730 We redisplay both clocks in case we're in ICS mode, because
16731 ICS gives us an update to both clocks after every move.
16732 Note that this routine is called *after* forwardMostMove
16733 is updated, so the last fractional tick must be subtracted
16734 from the color that is *not* on move now.
16737 SwitchClocks (int newMoveNr)
16739 long lastTickLength;
16741 int flagged = FALSE;
16745 if (StopClockTimer() && appData.clockMode) {
16746 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16747 if (!WhiteOnMove(forwardMostMove)) {
16748 if(blackNPS >= 0) lastTickLength = 0;
16749 blackTimeRemaining -= lastTickLength;
16750 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16751 // if(pvInfoList[forwardMostMove].time == -1)
16752 pvInfoList[forwardMostMove].time = // use GUI time
16753 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16755 if(whiteNPS >= 0) lastTickLength = 0;
16756 whiteTimeRemaining -= lastTickLength;
16757 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16758 // if(pvInfoList[forwardMostMove].time == -1)
16759 pvInfoList[forwardMostMove].time =
16760 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16762 flagged = CheckFlags();
16764 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16765 CheckTimeControl();
16767 if (flagged || !appData.clockMode) return;
16769 switch (gameMode) {
16770 case MachinePlaysBlack:
16771 case MachinePlaysWhite:
16772 case BeginningOfGame:
16773 if (pausing) return;
16777 case PlayFromGameFile:
16785 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16786 if(WhiteOnMove(forwardMostMove))
16787 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16788 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16792 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16793 whiteTimeRemaining : blackTimeRemaining);
16794 StartClockTimer(intendedTickLength);
16798 /* Stop both clocks */
16802 long lastTickLength;
16805 if (!StopClockTimer()) return;
16806 if (!appData.clockMode) return;
16810 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16811 if (WhiteOnMove(forwardMostMove)) {
16812 if(whiteNPS >= 0) lastTickLength = 0;
16813 whiteTimeRemaining -= lastTickLength;
16814 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16816 if(blackNPS >= 0) lastTickLength = 0;
16817 blackTimeRemaining -= lastTickLength;
16818 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16823 /* Start clock of player on move. Time may have been reset, so
16824 if clock is already running, stop and restart it. */
16828 (void) StopClockTimer(); /* in case it was running already */
16829 DisplayBothClocks();
16830 if (CheckFlags()) return;
16832 if (!appData.clockMode) return;
16833 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16835 GetTimeMark(&tickStartTM);
16836 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16837 whiteTimeRemaining : blackTimeRemaining);
16839 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16840 whiteNPS = blackNPS = -1;
16841 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16842 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16843 whiteNPS = first.nps;
16844 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16845 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16846 blackNPS = first.nps;
16847 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16848 whiteNPS = second.nps;
16849 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16850 blackNPS = second.nps;
16851 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16853 StartClockTimer(intendedTickLength);
16857 TimeString (long ms)
16859 long second, minute, hour, day;
16861 static char buf[32];
16863 if (ms > 0 && ms <= 9900) {
16864 /* convert milliseconds to tenths, rounding up */
16865 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16867 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16871 /* convert milliseconds to seconds, rounding up */
16872 /* use floating point to avoid strangeness of integer division
16873 with negative dividends on many machines */
16874 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16881 day = second / (60 * 60 * 24);
16882 second = second % (60 * 60 * 24);
16883 hour = second / (60 * 60);
16884 second = second % (60 * 60);
16885 minute = second / 60;
16886 second = second % 60;
16889 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16890 sign, day, hour, minute, second);
16892 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16894 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16901 * This is necessary because some C libraries aren't ANSI C compliant yet.
16904 StrStr (char *string, char *match)
16908 length = strlen(match);
16910 for (i = strlen(string) - length; i >= 0; i--, string++)
16911 if (!strncmp(match, string, length))
16918 StrCaseStr (char *string, char *match)
16922 length = strlen(match);
16924 for (i = strlen(string) - length; i >= 0; i--, string++) {
16925 for (j = 0; j < length; j++) {
16926 if (ToLower(match[j]) != ToLower(string[j]))
16929 if (j == length) return string;
16937 StrCaseCmp (char *s1, char *s2)
16942 c1 = ToLower(*s1++);
16943 c2 = ToLower(*s2++);
16944 if (c1 > c2) return 1;
16945 if (c1 < c2) return -1;
16946 if (c1 == NULLCHAR) return 0;
16954 return isupper(c) ? tolower(c) : c;
16961 return islower(c) ? toupper(c) : c;
16963 #endif /* !_amigados */
16970 if ((ret = (char *) malloc(strlen(s) + 1)))
16972 safeStrCpy(ret, s, strlen(s)+1);
16978 StrSavePtr (char *s, char **savePtr)
16983 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16984 safeStrCpy(*savePtr, s, strlen(s)+1);
16996 clock = time((time_t *)NULL);
16997 tm = localtime(&clock);
16998 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16999 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17000 return StrSave(buf);
17005 PositionToFEN (int move, char *overrideCastling)
17007 int i, j, fromX, fromY, toX, toY;
17014 whiteToPlay = (gameMode == EditPosition) ?
17015 !blackPlaysFirst : (move % 2 == 0);
17018 /* Piece placement data */
17019 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17020 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17022 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17023 if (boards[move][i][j] == EmptySquare) {
17025 } else { ChessSquare piece = boards[move][i][j];
17026 if (emptycount > 0) {
17027 if(emptycount<10) /* [HGM] can be >= 10 */
17028 *p++ = '0' + emptycount;
17029 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17032 if(PieceToChar(piece) == '+') {
17033 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17035 piece = (ChessSquare)(DEMOTED piece);
17037 *p++ = PieceToChar(piece);
17039 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17040 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17045 if (emptycount > 0) {
17046 if(emptycount<10) /* [HGM] can be >= 10 */
17047 *p++ = '0' + emptycount;
17048 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17055 /* [HGM] print Crazyhouse or Shogi holdings */
17056 if( gameInfo.holdingsWidth ) {
17057 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17059 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17060 piece = boards[move][i][BOARD_WIDTH-1];
17061 if( piece != EmptySquare )
17062 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17063 *p++ = PieceToChar(piece);
17065 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17066 piece = boards[move][BOARD_HEIGHT-i-1][0];
17067 if( piece != EmptySquare )
17068 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17069 *p++ = PieceToChar(piece);
17072 if( q == p ) *p++ = '-';
17078 *p++ = whiteToPlay ? 'w' : 'b';
17081 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17082 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17084 if(nrCastlingRights) {
17086 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17087 /* [HGM] write directly from rights */
17088 if(boards[move][CASTLING][2] != NoRights &&
17089 boards[move][CASTLING][0] != NoRights )
17090 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17091 if(boards[move][CASTLING][2] != NoRights &&
17092 boards[move][CASTLING][1] != NoRights )
17093 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17094 if(boards[move][CASTLING][5] != NoRights &&
17095 boards[move][CASTLING][3] != NoRights )
17096 *p++ = boards[move][CASTLING][3] + AAA;
17097 if(boards[move][CASTLING][5] != NoRights &&
17098 boards[move][CASTLING][4] != NoRights )
17099 *p++ = boards[move][CASTLING][4] + AAA;
17102 /* [HGM] write true castling rights */
17103 if( nrCastlingRights == 6 ) {
17105 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17106 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17107 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17108 boards[move][CASTLING][2] != NoRights );
17109 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17110 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17111 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17112 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17113 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17117 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17118 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17119 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17120 boards[move][CASTLING][5] != NoRights );
17121 if(gameInfo.variant == VariantSChess) {
17122 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17123 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17124 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17125 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17130 if (q == p) *p++ = '-'; /* No castling rights */
17134 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17135 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17136 /* En passant target square */
17137 if (move > backwardMostMove) {
17138 fromX = moveList[move - 1][0] - AAA;
17139 fromY = moveList[move - 1][1] - ONE;
17140 toX = moveList[move - 1][2] - AAA;
17141 toY = moveList[move - 1][3] - ONE;
17142 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17143 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17144 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17146 /* 2-square pawn move just happened */
17148 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17152 } else if(move == backwardMostMove) {
17153 // [HGM] perhaps we should always do it like this, and forget the above?
17154 if((signed char)boards[move][EP_STATUS] >= 0) {
17155 *p++ = boards[move][EP_STATUS] + AAA;
17156 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17167 /* [HGM] find reversible plies */
17168 { int i = 0, j=move;
17170 if (appData.debugMode) { int k;
17171 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17172 for(k=backwardMostMove; k<=forwardMostMove; k++)
17173 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17177 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17178 if( j == backwardMostMove ) i += initialRulePlies;
17179 sprintf(p, "%d ", i);
17180 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17182 /* Fullmove number */
17183 sprintf(p, "%d", (move / 2) + 1);
17185 return StrSave(buf);
17189 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17193 int emptycount, virgin[BOARD_FILES];
17198 /* [HGM] by default clear Crazyhouse holdings, if present */
17199 if(gameInfo.holdingsWidth) {
17200 for(i=0; i<BOARD_HEIGHT; i++) {
17201 board[i][0] = EmptySquare; /* black holdings */
17202 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17203 board[i][1] = (ChessSquare) 0; /* black counts */
17204 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17208 /* Piece placement data */
17209 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17212 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17213 if (*p == '/') p++;
17214 emptycount = gameInfo.boardWidth - j;
17215 while (emptycount--)
17216 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17218 #if(BOARD_FILES >= 10)
17219 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17220 p++; emptycount=10;
17221 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17222 while (emptycount--)
17223 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17225 } else if (isdigit(*p)) {
17226 emptycount = *p++ - '0';
17227 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17228 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17229 while (emptycount--)
17230 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17231 } else if (*p == '+' || isalpha(*p)) {
17232 if (j >= gameInfo.boardWidth) return FALSE;
17234 piece = CharToPiece(*++p);
17235 if(piece == EmptySquare) return FALSE; /* unknown piece */
17236 piece = (ChessSquare) (PROMOTED piece ); p++;
17237 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17238 } else piece = CharToPiece(*p++);
17240 if(piece==EmptySquare) return FALSE; /* unknown piece */
17241 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17242 piece = (ChessSquare) (PROMOTED piece);
17243 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17246 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17252 while (*p == '/' || *p == ' ') p++;
17254 /* [HGM] look for Crazyhouse holdings here */
17255 while(*p==' ') p++;
17256 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17258 if(*p == '-' ) p++; /* empty holdings */ else {
17259 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17260 /* if we would allow FEN reading to set board size, we would */
17261 /* have to add holdings and shift the board read so far here */
17262 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17264 if((int) piece >= (int) BlackPawn ) {
17265 i = (int)piece - (int)BlackPawn;
17266 i = PieceToNumber((ChessSquare)i);
17267 if( i >= gameInfo.holdingsSize ) return FALSE;
17268 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17269 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17271 i = (int)piece - (int)WhitePawn;
17272 i = PieceToNumber((ChessSquare)i);
17273 if( i >= gameInfo.holdingsSize ) return FALSE;
17274 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17275 board[i][BOARD_WIDTH-2]++; /* black holdings */
17282 while(*p == ' ') p++;
17286 if(appData.colorNickNames) {
17287 if( c == appData.colorNickNames[0] ) c = 'w'; else
17288 if( c == appData.colorNickNames[1] ) c = 'b';
17292 *blackPlaysFirst = FALSE;
17295 *blackPlaysFirst = TRUE;
17301 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17302 /* return the extra info in global variiables */
17304 /* set defaults in case FEN is incomplete */
17305 board[EP_STATUS] = EP_UNKNOWN;
17306 for(i=0; i<nrCastlingRights; i++ ) {
17307 board[CASTLING][i] =
17308 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17309 } /* assume possible unless obviously impossible */
17310 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17311 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17312 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17313 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17314 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17315 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17316 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17317 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17320 while(*p==' ') p++;
17321 if(nrCastlingRights) {
17322 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17323 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17324 /* castling indicator present, so default becomes no castlings */
17325 for(i=0; i<nrCastlingRights; i++ ) {
17326 board[CASTLING][i] = NoRights;
17329 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17330 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17331 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17332 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17333 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17335 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17336 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17337 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17339 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17340 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17341 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17342 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17343 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17344 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17347 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17348 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17349 board[CASTLING][2] = whiteKingFile;
17350 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17351 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17354 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17355 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17356 board[CASTLING][2] = whiteKingFile;
17357 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17358 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17361 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17362 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17363 board[CASTLING][5] = blackKingFile;
17364 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17365 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17368 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17369 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17370 board[CASTLING][5] = blackKingFile;
17371 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17372 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17375 default: /* FRC castlings */
17376 if(c >= 'a') { /* black rights */
17377 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17378 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17379 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17380 if(i == BOARD_RGHT) break;
17381 board[CASTLING][5] = i;
17383 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17384 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17386 board[CASTLING][3] = c;
17388 board[CASTLING][4] = c;
17389 } else { /* white rights */
17390 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17391 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17392 if(board[0][i] == WhiteKing) break;
17393 if(i == BOARD_RGHT) break;
17394 board[CASTLING][2] = i;
17395 c -= AAA - 'a' + 'A';
17396 if(board[0][c] >= WhiteKing) break;
17398 board[CASTLING][0] = c;
17400 board[CASTLING][1] = c;
17404 for(i=0; i<nrCastlingRights; i++)
17405 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17406 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17407 if (appData.debugMode) {
17408 fprintf(debugFP, "FEN castling rights:");
17409 for(i=0; i<nrCastlingRights; i++)
17410 fprintf(debugFP, " %d", board[CASTLING][i]);
17411 fprintf(debugFP, "\n");
17414 while(*p==' ') p++;
17417 /* read e.p. field in games that know e.p. capture */
17418 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17419 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17421 p++; board[EP_STATUS] = EP_NONE;
17423 char c = *p++ - AAA;
17425 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17426 if(*p >= '0' && *p <='9') p++;
17427 board[EP_STATUS] = c;
17432 if(sscanf(p, "%d", &i) == 1) {
17433 FENrulePlies = i; /* 50-move ply counter */
17434 /* (The move number is still ignored) */
17441 EditPositionPasteFEN (char *fen)
17444 Board initial_position;
17446 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17447 DisplayError(_("Bad FEN position in clipboard"), 0);
17450 int savedBlackPlaysFirst = blackPlaysFirst;
17451 EditPositionEvent();
17452 blackPlaysFirst = savedBlackPlaysFirst;
17453 CopyBoard(boards[0], initial_position);
17454 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17455 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17456 DisplayBothClocks();
17457 DrawPosition(FALSE, boards[currentMove]);
17462 static char cseq[12] = "\\ ";
17465 set_cont_sequence (char *new_seq)
17470 // handle bad attempts to set the sequence
17472 return 0; // acceptable error - no debug
17474 len = strlen(new_seq);
17475 ret = (len > 0) && (len < sizeof(cseq));
17477 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17478 else if (appData.debugMode)
17479 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17484 reformat a source message so words don't cross the width boundary. internal
17485 newlines are not removed. returns the wrapped size (no null character unless
17486 included in source message). If dest is NULL, only calculate the size required
17487 for the dest buffer. lp argument indicats line position upon entry, and it's
17488 passed back upon exit.
17491 wrap (char *dest, char *src, int count, int width, int *lp)
17493 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17495 cseq_len = strlen(cseq);
17496 old_line = line = *lp;
17497 ansi = len = clen = 0;
17499 for (i=0; i < count; i++)
17501 if (src[i] == '\033')
17504 // if we hit the width, back up
17505 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17507 // store i & len in case the word is too long
17508 old_i = i, old_len = len;
17510 // find the end of the last word
17511 while (i && src[i] != ' ' && src[i] != '\n')
17517 // word too long? restore i & len before splitting it
17518 if ((old_i-i+clen) >= width)
17525 if (i && src[i-1] == ' ')
17528 if (src[i] != ' ' && src[i] != '\n')
17535 // now append the newline and continuation sequence
17540 strncpy(dest+len, cseq, cseq_len);
17548 dest[len] = src[i];
17552 if (src[i] == '\n')
17557 if (dest && appData.debugMode)
17559 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17560 count, width, line, len, *lp);
17561 show_bytes(debugFP, src, count);
17562 fprintf(debugFP, "\ndest: ");
17563 show_bytes(debugFP, dest, len);
17564 fprintf(debugFP, "\n");
17566 *lp = dest ? line : old_line;
17571 // [HGM] vari: routines for shelving variations
17572 Boolean modeRestore = FALSE;
17575 PushInner (int firstMove, int lastMove)
17577 int i, j, nrMoves = lastMove - firstMove;
17579 // push current tail of game on stack
17580 savedResult[storedGames] = gameInfo.result;
17581 savedDetails[storedGames] = gameInfo.resultDetails;
17582 gameInfo.resultDetails = NULL;
17583 savedFirst[storedGames] = firstMove;
17584 savedLast [storedGames] = lastMove;
17585 savedFramePtr[storedGames] = framePtr;
17586 framePtr -= nrMoves; // reserve space for the boards
17587 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17588 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17589 for(j=0; j<MOVE_LEN; j++)
17590 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17591 for(j=0; j<2*MOVE_LEN; j++)
17592 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17593 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17594 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17595 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17596 pvInfoList[firstMove+i-1].depth = 0;
17597 commentList[framePtr+i] = commentList[firstMove+i];
17598 commentList[firstMove+i] = NULL;
17602 forwardMostMove = firstMove; // truncate game so we can start variation
17606 PushTail (int firstMove, int lastMove)
17608 if(appData.icsActive) { // only in local mode
17609 forwardMostMove = currentMove; // mimic old ICS behavior
17612 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17614 PushInner(firstMove, lastMove);
17615 if(storedGames == 1) GreyRevert(FALSE);
17616 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17620 PopInner (Boolean annotate)
17623 char buf[8000], moveBuf[20];
17625 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17626 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17627 nrMoves = savedLast[storedGames] - currentMove;
17630 if(!WhiteOnMove(currentMove))
17631 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17632 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17633 for(i=currentMove; i<forwardMostMove; i++) {
17635 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17636 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17637 strcat(buf, moveBuf);
17638 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17639 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17643 for(i=1; i<=nrMoves; i++) { // copy last variation back
17644 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17645 for(j=0; j<MOVE_LEN; j++)
17646 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17647 for(j=0; j<2*MOVE_LEN; j++)
17648 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17649 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17650 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17651 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17652 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17653 commentList[currentMove+i] = commentList[framePtr+i];
17654 commentList[framePtr+i] = NULL;
17656 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17657 framePtr = savedFramePtr[storedGames];
17658 gameInfo.result = savedResult[storedGames];
17659 if(gameInfo.resultDetails != NULL) {
17660 free(gameInfo.resultDetails);
17662 gameInfo.resultDetails = savedDetails[storedGames];
17663 forwardMostMove = currentMove + nrMoves;
17667 PopTail (Boolean annotate)
17669 if(appData.icsActive) return FALSE; // only in local mode
17670 if(!storedGames) return FALSE; // sanity
17671 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17673 PopInner(annotate);
17674 if(currentMove < forwardMostMove) ForwardEvent(); else
17675 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17677 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17683 { // remove all shelved variations
17685 for(i=0; i<storedGames; i++) {
17686 if(savedDetails[i])
17687 free(savedDetails[i]);
17688 savedDetails[i] = NULL;
17690 for(i=framePtr; i<MAX_MOVES; i++) {
17691 if(commentList[i]) free(commentList[i]);
17692 commentList[i] = NULL;
17694 framePtr = MAX_MOVES-1;
17699 LoadVariation (int index, char *text)
17700 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17701 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17702 int level = 0, move;
17704 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17705 // first find outermost bracketing variation
17706 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17707 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17708 if(*p == '{') wait = '}'; else
17709 if(*p == '[') wait = ']'; else
17710 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17711 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17713 if(*p == wait) wait = NULLCHAR; // closing ]} found
17716 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17717 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17718 end[1] = NULLCHAR; // clip off comment beyond variation
17719 ToNrEvent(currentMove-1);
17720 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17721 // kludge: use ParsePV() to append variation to game
17722 move = currentMove;
17723 ParsePV(start, TRUE, TRUE);
17724 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17725 ClearPremoveHighlights();
17727 ToNrEvent(currentMove+1);
17733 char *p, *q, buf[MSG_SIZ];
17734 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17735 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17736 ParseArgsFromString(buf);
17737 ActivateTheme(TRUE); // also redo colors
17741 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17744 q = appData.themeNames;
17745 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17746 if(appData.useBitmaps) {
17747 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17748 appData.liteBackTextureFile, appData.darkBackTextureFile,
17749 appData.liteBackTextureMode,
17750 appData.darkBackTextureMode );
17752 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17753 Col2Text(2), // lightSquareColor
17754 Col2Text(3) ); // darkSquareColor
17756 if(appData.useBorder) {
17757 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17760 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17762 if(appData.useFont) {
17763 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17764 appData.renderPiecesWithFont,
17765 appData.fontToPieceTable,
17766 Col2Text(9), // appData.fontBackColorWhite
17767 Col2Text(10) ); // appData.fontForeColorBlack
17769 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17770 appData.pieceDirectory);
17771 if(!appData.pieceDirectory[0])
17772 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17773 Col2Text(0), // whitePieceColor
17774 Col2Text(1) ); // blackPieceColor
17776 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17777 Col2Text(4), // highlightSquareColor
17778 Col2Text(5) ); // premoveHighlightColor
17779 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17780 if(insert != q) insert[-1] = NULLCHAR;
17781 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17784 ActivateTheme(FALSE);