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 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
246 extern int tinyLayout, smallLayout;
247 ChessProgramStats programStats;
248 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
250 static int exiting = 0; /* [HGM] moved to top */
251 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
252 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
253 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
254 int partnerHighlight[2];
255 Boolean partnerBoardValid = 0;
256 char partnerStatus[MSG_SIZ];
258 Boolean originalFlip;
259 Boolean twoBoards = 0;
260 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
261 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
262 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
263 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
264 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
265 int opponentKibitzes;
266 int lastSavedGame; /* [HGM] save: ID of game */
267 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
268 extern int chatCount;
270 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 char lastMsg[MSG_SIZ];
272 ChessSquare pieceSweep = EmptySquare;
273 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
274 int promoDefaultAltered;
275 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
277 /* States for ics_getting_history */
279 #define H_REQUESTED 1
280 #define H_GOT_REQ_HEADER 2
281 #define H_GOT_UNREQ_HEADER 3
282 #define H_GETTING_MOVES 4
283 #define H_GOT_UNWANTED_HEADER 5
285 /* whosays values for GameEnds */
294 /* Maximum number of games in a cmail message */
295 #define CMAIL_MAX_GAMES 20
297 /* Different types of move when calling RegisterMove */
299 #define CMAIL_RESIGN 1
301 #define CMAIL_ACCEPT 3
303 /* Different types of result to remember for each game */
304 #define CMAIL_NOT_RESULT 0
305 #define CMAIL_OLD_RESULT 1
306 #define CMAIL_NEW_RESULT 2
308 /* Telnet protocol constants */
319 safeStrCpy (char *dst, const char *src, size_t count)
322 assert( dst != NULL );
323 assert( src != NULL );
326 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
327 if( i == count && dst[count-1] != NULLCHAR)
329 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
330 if(appData.debugMode)
331 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
337 /* Some compiler can't cast u64 to double
338 * This function do the job for us:
340 * We use the highest bit for cast, this only
341 * works if the highest bit is not
342 * in use (This should not happen)
344 * We used this for all compiler
347 u64ToDouble (u64 value)
350 u64 tmp = value & u64Const(0x7fffffffffffffff);
351 r = (double)(s64)tmp;
352 if (value & u64Const(0x8000000000000000))
353 r += 9.2233720368547758080e18; /* 2^63 */
357 /* Fake up flags for now, as we aren't keeping track of castling
358 availability yet. [HGM] Change of logic: the flag now only
359 indicates the type of castlings allowed by the rule of the game.
360 The actual rights themselves are maintained in the array
361 castlingRights, as part of the game history, and are not probed
367 int flags = F_ALL_CASTLE_OK;
368 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
369 switch (gameInfo.variant) {
371 flags &= ~F_ALL_CASTLE_OK;
372 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
373 flags |= F_IGNORE_CHECK;
375 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
378 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
380 case VariantKriegspiel:
381 flags |= F_KRIEGSPIEL_CAPTURE;
383 case VariantCapaRandom:
384 case VariantFischeRandom:
385 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
386 case VariantNoCastle:
387 case VariantShatranj:
391 flags &= ~F_ALL_CASTLE_OK;
399 FILE *gameFileFP, *debugFP, *serverFP;
400 char *currentDebugFile; // [HGM] debug split: to remember name
403 [AS] Note: sometimes, the sscanf() function is used to parse the input
404 into a fixed-size buffer. Because of this, we must be prepared to
405 receive strings as long as the size of the input buffer, which is currently
406 set to 4K for Windows and 8K for the rest.
407 So, we must either allocate sufficiently large buffers here, or
408 reduce the size of the input buffer in the input reading part.
411 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
412 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
413 char thinkOutput1[MSG_SIZ*10];
415 ChessProgramState first, second, pairing;
417 /* premove variables */
420 int premoveFromX = 0;
421 int premoveFromY = 0;
422 int premovePromoChar = 0;
424 Boolean alarmSounded;
425 /* end premove variables */
427 char *ics_prefix = "$";
428 enum ICS_TYPE ics_type = ICS_GENERIC;
430 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
431 int pauseExamForwardMostMove = 0;
432 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
433 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
434 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
435 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
436 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
437 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
438 int whiteFlag = FALSE, blackFlag = FALSE;
439 int userOfferedDraw = FALSE;
440 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
441 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
442 int cmailMoveType[CMAIL_MAX_GAMES];
443 long ics_clock_paused = 0;
444 ProcRef icsPR = NoProc, cmailPR = NoProc;
445 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
446 GameMode gameMode = BeginningOfGame;
447 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
448 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
449 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
450 int hiddenThinkOutputState = 0; /* [AS] */
451 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
452 int adjudicateLossPlies = 6;
453 char white_holding[64], black_holding[64];
454 TimeMark lastNodeCountTime;
455 long lastNodeCount=0;
456 int shiftKey, controlKey; // [HGM] set by mouse handler
458 int have_sent_ICS_logon = 0;
460 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
461 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
462 Boolean adjustedClock;
463 long timeControl_2; /* [AS] Allow separate time controls */
464 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
465 long timeRemaining[2][MAX_MOVES];
466 int matchGame = 0, nextGame = 0, roundNr = 0;
467 Boolean waitingForGame = FALSE;
468 TimeMark programStartTime, pauseStart;
469 char ics_handle[MSG_SIZ];
470 int have_set_title = 0;
472 /* animateTraining preserves the state of appData.animate
473 * when Training mode is activated. This allows the
474 * response to be animated when appData.animate == TRUE and
475 * appData.animateDragging == TRUE.
477 Boolean animateTraining;
483 Board boards[MAX_MOVES];
484 /* [HGM] Following 7 needed for accurate legality tests: */
485 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
486 signed char initialRights[BOARD_FILES];
487 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
488 int initialRulePlies, FENrulePlies;
489 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
491 Boolean shuffleOpenings;
492 int mute; // mute all sounds
494 // [HGM] vari: next 12 to save and restore variations
495 #define MAX_VARIATIONS 10
496 int framePtr = MAX_MOVES-1; // points to free stack entry
498 int savedFirst[MAX_VARIATIONS];
499 int savedLast[MAX_VARIATIONS];
500 int savedFramePtr[MAX_VARIATIONS];
501 char *savedDetails[MAX_VARIATIONS];
502 ChessMove savedResult[MAX_VARIATIONS];
504 void PushTail P((int firstMove, int lastMove));
505 Boolean PopTail P((Boolean annotate));
506 void PushInner P((int firstMove, int lastMove));
507 void PopInner P((Boolean annotate));
508 void CleanupTail P((void));
510 ChessSquare FIDEArray[2][BOARD_FILES] = {
511 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
512 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
513 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
514 BlackKing, BlackBishop, BlackKnight, BlackRook }
517 ChessSquare twoKingsArray[2][BOARD_FILES] = {
518 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
519 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
521 BlackKing, BlackKing, BlackKnight, BlackRook }
524 ChessSquare KnightmateArray[2][BOARD_FILES] = {
525 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
526 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
527 { BlackRook, BlackMan, BlackBishop, BlackQueen,
528 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
531 ChessSquare SpartanArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
533 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
534 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
535 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
538 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
539 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
541 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
542 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
545 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
546 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
547 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
548 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
549 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
552 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
553 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
554 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackMan, BlackFerz,
556 BlackKing, BlackMan, BlackKnight, BlackRook }
560 #if (BOARD_FILES>=10)
561 ChessSquare ShogiArray[2][BOARD_FILES] = {
562 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
563 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
564 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
565 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
568 ChessSquare XiangqiArray[2][BOARD_FILES] = {
569 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
570 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
571 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
572 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
575 ChessSquare CapablancaArray[2][BOARD_FILES] = {
576 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
577 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
579 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
582 ChessSquare GreatArray[2][BOARD_FILES] = {
583 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
584 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
585 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
586 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
589 ChessSquare JanusArray[2][BOARD_FILES] = {
590 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
591 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
592 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
593 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
596 ChessSquare GrandArray[2][BOARD_FILES] = {
597 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
598 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
599 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
600 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
604 ChessSquare GothicArray[2][BOARD_FILES] = {
605 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
606 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
607 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
608 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
611 #define GothicArray CapablancaArray
615 ChessSquare FalconArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
617 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
619 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
622 #define FalconArray CapablancaArray
625 #else // !(BOARD_FILES>=10)
626 #define XiangqiPosition FIDEArray
627 #define CapablancaArray FIDEArray
628 #define GothicArray FIDEArray
629 #define GreatArray FIDEArray
630 #endif // !(BOARD_FILES>=10)
632 #if (BOARD_FILES>=12)
633 ChessSquare CourierArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
635 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
636 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
637 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
639 #else // !(BOARD_FILES>=12)
640 #define CourierArray CapablancaArray
641 #endif // !(BOARD_FILES>=12)
644 Board initialPosition;
647 /* Convert str to a rating. Checks for special cases of "----",
649 "++++", etc. Also strips ()'s */
651 string_to_rating (char *str)
653 while(*str && !isdigit(*str)) ++str;
655 return 0; /* One of the special "no rating" cases */
663 /* Init programStats */
664 programStats.movelist[0] = 0;
665 programStats.depth = 0;
666 programStats.nr_moves = 0;
667 programStats.moves_left = 0;
668 programStats.nodes = 0;
669 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
670 programStats.score = 0;
671 programStats.got_only_move = 0;
672 programStats.got_fail = 0;
673 programStats.line_is_book = 0;
678 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
679 if (appData.firstPlaysBlack) {
680 first.twoMachinesColor = "black\n";
681 second.twoMachinesColor = "white\n";
683 first.twoMachinesColor = "white\n";
684 second.twoMachinesColor = "black\n";
687 first.other = &second;
688 second.other = &first;
691 if(appData.timeOddsMode) {
692 norm = appData.timeOdds[0];
693 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
695 first.timeOdds = appData.timeOdds[0]/norm;
696 second.timeOdds = appData.timeOdds[1]/norm;
699 if(programVersion) free(programVersion);
700 if (appData.noChessProgram) {
701 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
702 sprintf(programVersion, "%s", PACKAGE_STRING);
704 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
705 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
706 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
711 UnloadEngine (ChessProgramState *cps)
713 /* Kill off first chess program */
714 if (cps->isr != NULL)
715 RemoveInputSource(cps->isr);
718 if (cps->pr != NoProc) {
720 DoSleep( appData.delayBeforeQuit );
721 SendToProgram("quit\n", cps);
722 DoSleep( appData.delayAfterQuit );
723 DestroyChildProcess(cps->pr, cps->useSigterm);
726 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
730 ClearOptions (ChessProgramState *cps)
733 cps->nrOptions = cps->comboCnt = 0;
734 for(i=0; i<MAX_OPTIONS; i++) {
735 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
736 cps->option[i].textValue = 0;
740 char *engineNames[] = {
741 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
744 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
745 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
750 InitEngine (ChessProgramState *cps, int n)
751 { // [HGM] all engine initialiation put in a function that does one engine
755 cps->which = engineNames[n];
756 cps->maybeThinking = FALSE;
760 cps->sendDrawOffers = 1;
762 cps->program = appData.chessProgram[n];
763 cps->host = appData.host[n];
764 cps->dir = appData.directory[n];
765 cps->initString = appData.engInitString[n];
766 cps->computerString = appData.computerString[n];
767 cps->useSigint = TRUE;
768 cps->useSigterm = TRUE;
769 cps->reuse = appData.reuse[n];
770 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
771 cps->useSetboard = FALSE;
773 cps->usePing = FALSE;
776 cps->usePlayother = FALSE;
777 cps->useColors = TRUE;
778 cps->useUsermove = FALSE;
779 cps->sendICS = FALSE;
780 cps->sendName = appData.icsActive;
781 cps->sdKludge = FALSE;
782 cps->stKludge = FALSE;
783 TidyProgramName(cps->program, cps->host, cps->tidy);
785 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
786 cps->analysisSupport = 2; /* detect */
787 cps->analyzing = FALSE;
788 cps->initDone = FALSE;
790 /* New features added by Tord: */
791 cps->useFEN960 = FALSE;
792 cps->useOOCastle = TRUE;
793 /* End of new features added by Tord. */
794 cps->fenOverride = appData.fenOverride[n];
796 /* [HGM] time odds: set factor for each machine */
797 cps->timeOdds = appData.timeOdds[n];
799 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
800 cps->accumulateTC = appData.accumulateTC[n];
801 cps->maxNrOfSessions = 1;
806 cps->supportsNPS = UNKNOWN;
807 cps->memSize = FALSE;
808 cps->maxCores = FALSE;
809 cps->egtFormats[0] = NULLCHAR;
812 cps->optionSettings = appData.engOptions[n];
814 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
815 cps->isUCI = appData.isUCI[n]; /* [AS] */
816 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
818 if (appData.protocolVersion[n] > PROTOVER
819 || appData.protocolVersion[n] < 1)
824 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
825 appData.protocolVersion[n]);
826 if( (len >= MSG_SIZ) && appData.debugMode )
827 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
829 DisplayFatalError(buf, 0, 2);
833 cps->protocolVersion = appData.protocolVersion[n];
836 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
837 ParseFeatures(appData.featureDefaults, cps);
840 ChessProgramState *savCps;
846 if(WaitForEngine(savCps, LoadEngine)) return;
847 CommonEngineInit(); // recalculate time odds
848 if(gameInfo.variant != StringToVariant(appData.variant)) {
849 // we changed variant when loading the engine; this forces us to reset
850 Reset(TRUE, savCps != &first);
851 EditGameEvent(); // for consistency with other path, as Reset changes mode
853 InitChessProgram(savCps, FALSE);
854 SendToProgram("force\n", savCps);
855 DisplayMessage("", "");
856 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
857 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
863 ReplaceEngine (ChessProgramState *cps, int n)
867 appData.noChessProgram = FALSE;
868 appData.clockMode = TRUE;
871 if(n) return; // only startup first engine immediately; second can wait
872 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
876 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
877 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
879 static char resetOptions[] =
880 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
881 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
882 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
883 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
886 FloatToFront(char **list, char *engineLine)
888 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
890 if(appData.recentEngines <= 0) return;
891 TidyProgramName(engineLine, "localhost", tidy+1);
892 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
893 strncpy(buf+1, *list, MSG_SIZ-50);
894 if(p = strstr(buf, tidy)) { // tidy name appears in list
895 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
896 while(*p++ = *++q); // squeeze out
898 strcat(tidy, buf+1); // put list behind tidy name
899 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
900 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
901 ASSIGN(*list, tidy+1);
904 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
907 Load (ChessProgramState *cps, int i)
909 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
910 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
911 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
912 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
913 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
914 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
915 appData.firstProtocolVersion = PROTOVER;
916 ParseArgsFromString(buf);
918 ReplaceEngine(cps, i);
919 FloatToFront(&appData.recentEngineList, engineLine);
923 while(q = strchr(p, SLASH)) p = q+1;
924 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
925 if(engineDir[0] != NULLCHAR) {
926 ASSIGN(appData.directory[i], engineDir); p = engineName;
927 } else if(p != engineName) { // derive directory from engine path, when not given
929 ASSIGN(appData.directory[i], engineName);
931 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
932 } else { ASSIGN(appData.directory[i], "."); }
934 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
935 snprintf(command, MSG_SIZ, "%s %s", p, params);
938 ASSIGN(appData.chessProgram[i], p);
939 appData.isUCI[i] = isUCI;
940 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
941 appData.hasOwnBookUCI[i] = hasBook;
942 if(!nickName[0]) useNick = FALSE;
943 if(useNick) ASSIGN(appData.pgnName[i], nickName);
947 q = firstChessProgramNames;
948 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
949 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
950 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
951 quote, p, quote, appData.directory[i],
952 useNick ? " -fn \"" : "",
953 useNick ? nickName : "",
955 v1 ? " -firstProtocolVersion 1" : "",
956 hasBook ? "" : " -fNoOwnBookUCI",
957 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
958 storeVariant ? " -variant " : "",
959 storeVariant ? VariantName(gameInfo.variant) : "");
960 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
961 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
962 if(insert != q) insert[-1] = NULLCHAR;
963 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
965 FloatToFront(&appData.recentEngineList, buf);
967 ReplaceEngine(cps, i);
973 int matched, min, sec;
975 * Parse timeControl resource
977 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
978 appData.movesPerSession)) {
980 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
981 DisplayFatalError(buf, 0, 2);
985 * Parse searchTime resource
987 if (*appData.searchTime != NULLCHAR) {
988 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
990 searchTime = min * 60;
991 } else if (matched == 2) {
992 searchTime = min * 60 + sec;
995 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
996 DisplayFatalError(buf, 0, 2);
1005 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1006 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1008 GetTimeMark(&programStartTime);
1009 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1010 appData.seedBase = random() + (random()<<15);
1011 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1013 ClearProgramStats();
1014 programStats.ok_to_send = 1;
1015 programStats.seen_stat = 0;
1018 * Initialize game list
1024 * Internet chess server status
1026 if (appData.icsActive) {
1027 appData.matchMode = FALSE;
1028 appData.matchGames = 0;
1030 appData.noChessProgram = !appData.zippyPlay;
1032 appData.zippyPlay = FALSE;
1033 appData.zippyTalk = FALSE;
1034 appData.noChessProgram = TRUE;
1036 if (*appData.icsHelper != NULLCHAR) {
1037 appData.useTelnet = TRUE;
1038 appData.telnetProgram = appData.icsHelper;
1041 appData.zippyTalk = appData.zippyPlay = FALSE;
1044 /* [AS] Initialize pv info list [HGM] and game state */
1048 for( i=0; i<=framePtr; i++ ) {
1049 pvInfoList[i].depth = -1;
1050 boards[i][EP_STATUS] = EP_NONE;
1051 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1057 /* [AS] Adjudication threshold */
1058 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1060 InitEngine(&first, 0);
1061 InitEngine(&second, 1);
1064 pairing.which = "pairing"; // pairing engine
1065 pairing.pr = NoProc;
1067 pairing.program = appData.pairingEngine;
1068 pairing.host = "localhost";
1071 if (appData.icsActive) {
1072 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1073 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1074 appData.clockMode = FALSE;
1075 first.sendTime = second.sendTime = 0;
1079 /* Override some settings from environment variables, for backward
1080 compatibility. Unfortunately it's not feasible to have the env
1081 vars just set defaults, at least in xboard. Ugh.
1083 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1088 if (!appData.icsActive) {
1092 /* Check for variants that are supported only in ICS mode,
1093 or not at all. Some that are accepted here nevertheless
1094 have bugs; see comments below.
1096 VariantClass variant = StringToVariant(appData.variant);
1098 case VariantBughouse: /* need four players and two boards */
1099 case VariantKriegspiel: /* need to hide pieces and move details */
1100 /* case VariantFischeRandom: (Fabien: moved below) */
1101 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1102 if( (len >= MSG_SIZ) && appData.debugMode )
1103 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1105 DisplayFatalError(buf, 0, 2);
1108 case VariantUnknown:
1109 case VariantLoadable:
1119 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1120 if( (len >= MSG_SIZ) && appData.debugMode )
1121 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1123 DisplayFatalError(buf, 0, 2);
1126 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1127 case VariantFairy: /* [HGM] TestLegality definitely off! */
1128 case VariantGothic: /* [HGM] should work */
1129 case VariantCapablanca: /* [HGM] should work */
1130 case VariantCourier: /* [HGM] initial forced moves not implemented */
1131 case VariantShogi: /* [HGM] could still mate with pawn drop */
1132 case VariantKnightmate: /* [HGM] should work */
1133 case VariantCylinder: /* [HGM] untested */
1134 case VariantFalcon: /* [HGM] untested */
1135 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1136 offboard interposition not understood */
1137 case VariantNormal: /* definitely works! */
1138 case VariantWildCastle: /* pieces not automatically shuffled */
1139 case VariantNoCastle: /* pieces not automatically shuffled */
1140 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1141 case VariantLosers: /* should work except for win condition,
1142 and doesn't know captures are mandatory */
1143 case VariantSuicide: /* should work except for win condition,
1144 and doesn't know captures are mandatory */
1145 case VariantGiveaway: /* should work except for win condition,
1146 and doesn't know captures are mandatory */
1147 case VariantTwoKings: /* should work */
1148 case VariantAtomic: /* should work except for win condition */
1149 case Variant3Check: /* should work except for win condition */
1150 case VariantShatranj: /* should work except for all win conditions */
1151 case VariantMakruk: /* should work except for draw countdown */
1152 case VariantBerolina: /* might work if TestLegality is off */
1153 case VariantCapaRandom: /* should work */
1154 case VariantJanus: /* should work */
1155 case VariantSuper: /* experimental */
1156 case VariantGreat: /* experimental, requires legality testing to be off */
1157 case VariantSChess: /* S-Chess, should work */
1158 case VariantGrand: /* should work */
1159 case VariantSpartan: /* should work */
1167 NextIntegerFromString (char ** str, long * value)
1172 while( *s == ' ' || *s == '\t' ) {
1178 if( *s >= '0' && *s <= '9' ) {
1179 while( *s >= '0' && *s <= '9' ) {
1180 *value = *value * 10 + (*s - '0');
1193 NextTimeControlFromString (char ** str, long * value)
1196 int result = NextIntegerFromString( str, &temp );
1199 *value = temp * 60; /* Minutes */
1200 if( **str == ':' ) {
1202 result = NextIntegerFromString( str, &temp );
1203 *value += temp; /* Seconds */
1211 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1212 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1213 int result = -1, type = 0; long temp, temp2;
1215 if(**str != ':') return -1; // old params remain in force!
1217 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1218 if( NextIntegerFromString( str, &temp ) ) return -1;
1219 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1222 /* time only: incremental or sudden-death time control */
1223 if(**str == '+') { /* increment follows; read it */
1225 if(**str == '!') type = *(*str)++; // Bronstein TC
1226 if(result = NextIntegerFromString( str, &temp2)) return -1;
1227 *inc = temp2 * 1000;
1228 if(**str == '.') { // read fraction of increment
1229 char *start = ++(*str);
1230 if(result = NextIntegerFromString( str, &temp2)) return -1;
1232 while(start++ < *str) temp2 /= 10;
1236 *moves = 0; *tc = temp * 1000; *incType = type;
1240 (*str)++; /* classical time control */
1241 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1253 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1254 { /* [HGM] get time to add from the multi-session time-control string */
1255 int incType, moves=1; /* kludge to force reading of first session */
1256 long time, increment;
1259 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1261 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1262 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1263 if(movenr == -1) return time; /* last move before new session */
1264 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1265 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1266 if(!moves) return increment; /* current session is incremental */
1267 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1268 } while(movenr >= -1); /* try again for next session */
1270 return 0; // no new time quota on this move
1274 ParseTimeControl (char *tc, float ti, int mps)
1278 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1281 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1282 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1283 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1287 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1292 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1294 snprintf(buf, MSG_SIZ, ":%s", mytc);
1296 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1298 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1303 /* Parse second time control */
1306 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1314 timeControl_2 = tc2 * 1000;
1324 timeControl = tc1 * 1000;
1327 timeIncrement = ti * 1000; /* convert to ms */
1328 movesPerSession = 0;
1331 movesPerSession = mps;
1339 if (appData.debugMode) {
1340 fprintf(debugFP, "%s\n", programVersion);
1342 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1344 set_cont_sequence(appData.wrapContSeq);
1345 if (appData.matchGames > 0) {
1346 appData.matchMode = TRUE;
1347 } else if (appData.matchMode) {
1348 appData.matchGames = 1;
1350 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1351 appData.matchGames = appData.sameColorGames;
1352 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1353 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1354 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1357 if (appData.noChessProgram || first.protocolVersion == 1) {
1360 /* kludge: allow timeout for initial "feature" commands */
1362 DisplayMessage("", _("Starting chess program"));
1363 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1368 CalculateIndex (int index, int gameNr)
1369 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1371 if(index > 0) return index; // fixed nmber
1372 if(index == 0) return 1;
1373 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1374 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1379 LoadGameOrPosition (int gameNr)
1380 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1381 if (*appData.loadGameFile != NULLCHAR) {
1382 if (!LoadGameFromFile(appData.loadGameFile,
1383 CalculateIndex(appData.loadGameIndex, gameNr),
1384 appData.loadGameFile, FALSE)) {
1385 DisplayFatalError(_("Bad game file"), 0, 1);
1388 } else if (*appData.loadPositionFile != NULLCHAR) {
1389 if (!LoadPositionFromFile(appData.loadPositionFile,
1390 CalculateIndex(appData.loadPositionIndex, gameNr),
1391 appData.loadPositionFile)) {
1392 DisplayFatalError(_("Bad position file"), 0, 1);
1400 ReserveGame (int gameNr, char resChar)
1402 FILE *tf = fopen(appData.tourneyFile, "r+");
1403 char *p, *q, c, buf[MSG_SIZ];
1404 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1405 safeStrCpy(buf, lastMsg, MSG_SIZ);
1406 DisplayMessage(_("Pick new game"), "");
1407 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1408 ParseArgsFromFile(tf);
1409 p = q = appData.results;
1410 if(appData.debugMode) {
1411 char *r = appData.participants;
1412 fprintf(debugFP, "results = '%s'\n", p);
1413 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1414 fprintf(debugFP, "\n");
1416 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1418 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1419 safeStrCpy(q, p, strlen(p) + 2);
1420 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1421 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1422 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1423 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1426 fseek(tf, -(strlen(p)+4), SEEK_END);
1428 if(c != '"') // depending on DOS or Unix line endings we can be one off
1429 fseek(tf, -(strlen(p)+2), SEEK_END);
1430 else fseek(tf, -(strlen(p)+3), SEEK_END);
1431 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1432 DisplayMessage(buf, "");
1433 free(p); appData.results = q;
1434 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1435 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1436 int round = appData.defaultMatchGames * appData.tourneyType;
1437 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1438 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1439 UnloadEngine(&first); // next game belongs to other pairing;
1440 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1442 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1446 MatchEvent (int mode)
1447 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1449 if(matchMode) { // already in match mode: switch it off
1451 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1454 // if(gameMode != BeginningOfGame) {
1455 // DisplayError(_("You can only start a match from the initial position."), 0);
1459 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1460 /* Set up machine vs. machine match */
1462 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1463 if(appData.tourneyFile[0]) {
1465 if(nextGame > appData.matchGames) {
1467 if(strchr(appData.results, '*') == NULL) {
1469 appData.tourneyCycles++;
1470 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1472 NextTourneyGame(-1, &dummy);
1474 if(nextGame <= appData.matchGames) {
1475 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1477 ScheduleDelayedEvent(NextMatchGame, 10000);
1482 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1483 DisplayError(buf, 0);
1484 appData.tourneyFile[0] = 0;
1488 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1489 DisplayFatalError(_("Can't have a match with no chess programs"),
1494 matchGame = roundNr = 1;
1495 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1499 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1502 InitBackEnd3 P((void))
1504 GameMode initialMode;
1508 InitChessProgram(&first, startedFromSetupPosition);
1510 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1511 free(programVersion);
1512 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1513 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1514 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1517 if (appData.icsActive) {
1519 /* [DM] Make a console window if needed [HGM] merged ifs */
1525 if (*appData.icsCommPort != NULLCHAR)
1526 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1527 appData.icsCommPort);
1529 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1530 appData.icsHost, appData.icsPort);
1532 if( (len >= MSG_SIZ) && appData.debugMode )
1533 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1535 DisplayFatalError(buf, err, 1);
1540 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1542 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1543 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1544 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1545 } else if (appData.noChessProgram) {
1551 if (*appData.cmailGameName != NULLCHAR) {
1553 OpenLoopback(&cmailPR);
1555 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1559 DisplayMessage("", "");
1560 if (StrCaseCmp(appData.initialMode, "") == 0) {
1561 initialMode = BeginningOfGame;
1562 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1563 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1564 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1565 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1568 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1569 initialMode = TwoMachinesPlay;
1570 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1571 initialMode = AnalyzeFile;
1572 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1573 initialMode = AnalyzeMode;
1574 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1575 initialMode = MachinePlaysWhite;
1576 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1577 initialMode = MachinePlaysBlack;
1578 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1579 initialMode = EditGame;
1580 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1581 initialMode = EditPosition;
1582 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1583 initialMode = Training;
1585 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1586 if( (len >= MSG_SIZ) && appData.debugMode )
1587 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1589 DisplayFatalError(buf, 0, 2);
1593 if (appData.matchMode) {
1594 if(appData.tourneyFile[0]) { // start tourney from command line
1596 if(f = fopen(appData.tourneyFile, "r")) {
1597 ParseArgsFromFile(f); // make sure tourney parmeters re known
1599 appData.clockMode = TRUE;
1601 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1604 } else if (*appData.cmailGameName != NULLCHAR) {
1605 /* Set up cmail mode */
1606 ReloadCmailMsgEvent(TRUE);
1608 /* Set up other modes */
1609 if (initialMode == AnalyzeFile) {
1610 if (*appData.loadGameFile == NULLCHAR) {
1611 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1615 if (*appData.loadGameFile != NULLCHAR) {
1616 (void) LoadGameFromFile(appData.loadGameFile,
1617 appData.loadGameIndex,
1618 appData.loadGameFile, TRUE);
1619 } else if (*appData.loadPositionFile != NULLCHAR) {
1620 (void) LoadPositionFromFile(appData.loadPositionFile,
1621 appData.loadPositionIndex,
1622 appData.loadPositionFile);
1623 /* [HGM] try to make self-starting even after FEN load */
1624 /* to allow automatic setup of fairy variants with wtm */
1625 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1626 gameMode = BeginningOfGame;
1627 setboardSpoiledMachineBlack = 1;
1629 /* [HGM] loadPos: make that every new game uses the setup */
1630 /* from file as long as we do not switch variant */
1631 if(!blackPlaysFirst) {
1632 startedFromPositionFile = TRUE;
1633 CopyBoard(filePosition, boards[0]);
1636 if (initialMode == AnalyzeMode) {
1637 if (appData.noChessProgram) {
1638 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1641 if (appData.icsActive) {
1642 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1646 } else if (initialMode == AnalyzeFile) {
1647 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1648 ShowThinkingEvent();
1650 AnalysisPeriodicEvent(1);
1651 } else if (initialMode == MachinePlaysWhite) {
1652 if (appData.noChessProgram) {
1653 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1657 if (appData.icsActive) {
1658 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1662 MachineWhiteEvent();
1663 } else if (initialMode == MachinePlaysBlack) {
1664 if (appData.noChessProgram) {
1665 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1669 if (appData.icsActive) {
1670 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1674 MachineBlackEvent();
1675 } else if (initialMode == TwoMachinesPlay) {
1676 if (appData.noChessProgram) {
1677 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1681 if (appData.icsActive) {
1682 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1687 } else if (initialMode == EditGame) {
1689 } else if (initialMode == EditPosition) {
1690 EditPositionEvent();
1691 } else if (initialMode == Training) {
1692 if (*appData.loadGameFile == NULLCHAR) {
1693 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1702 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1704 DisplayBook(current+1);
1706 MoveHistorySet( movelist, first, last, current, pvInfoList );
1708 EvalGraphSet( first, last, current, pvInfoList );
1710 MakeEngineOutputTitle();
1714 * Establish will establish a contact to a remote host.port.
1715 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1716 * used to talk to the host.
1717 * Returns 0 if okay, error code if not.
1724 if (*appData.icsCommPort != NULLCHAR) {
1725 /* Talk to the host through a serial comm port */
1726 return OpenCommPort(appData.icsCommPort, &icsPR);
1728 } else if (*appData.gateway != NULLCHAR) {
1729 if (*appData.remoteShell == NULLCHAR) {
1730 /* Use the rcmd protocol to run telnet program on a gateway host */
1731 snprintf(buf, sizeof(buf), "%s %s %s",
1732 appData.telnetProgram, appData.icsHost, appData.icsPort);
1733 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1736 /* Use the rsh program to run telnet program on a gateway host */
1737 if (*appData.remoteUser == NULLCHAR) {
1738 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1739 appData.gateway, appData.telnetProgram,
1740 appData.icsHost, appData.icsPort);
1742 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1743 appData.remoteShell, appData.gateway,
1744 appData.remoteUser, appData.telnetProgram,
1745 appData.icsHost, appData.icsPort);
1747 return StartChildProcess(buf, "", &icsPR);
1750 } else if (appData.useTelnet) {
1751 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1754 /* TCP socket interface differs somewhat between
1755 Unix and NT; handle details in the front end.
1757 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1762 EscapeExpand (char *p, char *q)
1763 { // [HGM] initstring: routine to shape up string arguments
1764 while(*p++ = *q++) if(p[-1] == '\\')
1766 case 'n': p[-1] = '\n'; break;
1767 case 'r': p[-1] = '\r'; break;
1768 case 't': p[-1] = '\t'; break;
1769 case '\\': p[-1] = '\\'; break;
1770 case 0: *p = 0; return;
1771 default: p[-1] = q[-1]; break;
1776 show_bytes (FILE *fp, char *buf, int count)
1779 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1780 fprintf(fp, "\\%03o", *buf & 0xff);
1789 /* Returns an errno value */
1791 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1793 char buf[8192], *p, *q, *buflim;
1794 int left, newcount, outcount;
1796 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1797 *appData.gateway != NULLCHAR) {
1798 if (appData.debugMode) {
1799 fprintf(debugFP, ">ICS: ");
1800 show_bytes(debugFP, message, count);
1801 fprintf(debugFP, "\n");
1803 return OutputToProcess(pr, message, count, outError);
1806 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1813 if (appData.debugMode) {
1814 fprintf(debugFP, ">ICS: ");
1815 show_bytes(debugFP, buf, newcount);
1816 fprintf(debugFP, "\n");
1818 outcount = OutputToProcess(pr, buf, newcount, outError);
1819 if (outcount < newcount) return -1; /* to be sure */
1826 } else if (((unsigned char) *p) == TN_IAC) {
1827 *q++ = (char) TN_IAC;
1834 if (appData.debugMode) {
1835 fprintf(debugFP, ">ICS: ");
1836 show_bytes(debugFP, buf, newcount);
1837 fprintf(debugFP, "\n");
1839 outcount = OutputToProcess(pr, buf, newcount, outError);
1840 if (outcount < newcount) return -1; /* to be sure */
1845 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1847 int outError, outCount;
1848 static int gotEof = 0;
1851 /* Pass data read from player on to ICS */
1854 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1855 if (outCount < count) {
1856 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1858 if(have_sent_ICS_logon == 2) {
1859 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1860 fprintf(ini, "%s", message);
1861 have_sent_ICS_logon = 3;
1863 have_sent_ICS_logon = 1;
1864 } else if(have_sent_ICS_logon == 3) {
1865 fprintf(ini, "%s", message);
1867 have_sent_ICS_logon = 1;
1869 } else if (count < 0) {
1870 RemoveInputSource(isr);
1871 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1872 } else if (gotEof++ > 0) {
1873 RemoveInputSource(isr);
1874 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1880 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1881 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1882 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1883 SendToICS("date\n");
1884 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1887 /* added routine for printf style output to ics */
1889 ics_printf (char *format, ...)
1891 char buffer[MSG_SIZ];
1894 va_start(args, format);
1895 vsnprintf(buffer, sizeof(buffer), format, args);
1896 buffer[sizeof(buffer)-1] = '\0';
1904 int count, outCount, outError;
1906 if (icsPR == NoProc) return;
1909 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1910 if (outCount < count) {
1911 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1915 /* This is used for sending logon scripts to the ICS. Sending
1916 without a delay causes problems when using timestamp on ICC
1917 (at least on my machine). */
1919 SendToICSDelayed (char *s, long msdelay)
1921 int count, outCount, outError;
1923 if (icsPR == NoProc) return;
1926 if (appData.debugMode) {
1927 fprintf(debugFP, ">ICS: ");
1928 show_bytes(debugFP, s, count);
1929 fprintf(debugFP, "\n");
1931 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1933 if (outCount < count) {
1934 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1939 /* Remove all highlighting escape sequences in s
1940 Also deletes any suffix starting with '('
1943 StripHighlightAndTitle (char *s)
1945 static char retbuf[MSG_SIZ];
1948 while (*s != NULLCHAR) {
1949 while (*s == '\033') {
1950 while (*s != NULLCHAR && !isalpha(*s)) s++;
1951 if (*s != NULLCHAR) s++;
1953 while (*s != NULLCHAR && *s != '\033') {
1954 if (*s == '(' || *s == '[') {
1965 /* Remove all highlighting escape sequences in s */
1967 StripHighlight (char *s)
1969 static char retbuf[MSG_SIZ];
1972 while (*s != NULLCHAR) {
1973 while (*s == '\033') {
1974 while (*s != NULLCHAR && !isalpha(*s)) s++;
1975 if (*s != NULLCHAR) s++;
1977 while (*s != NULLCHAR && *s != '\033') {
1985 char *variantNames[] = VARIANT_NAMES;
1987 VariantName (VariantClass v)
1989 return variantNames[v];
1993 /* Identify a variant from the strings the chess servers use or the
1994 PGN Variant tag names we use. */
1996 StringToVariant (char *e)
2000 VariantClass v = VariantNormal;
2001 int i, found = FALSE;
2007 /* [HGM] skip over optional board-size prefixes */
2008 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2009 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2010 while( *e++ != '_');
2013 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2017 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2018 if (StrCaseStr(e, variantNames[i])) {
2019 v = (VariantClass) i;
2026 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2027 || StrCaseStr(e, "wild/fr")
2028 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2029 v = VariantFischeRandom;
2030 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2031 (i = 1, p = StrCaseStr(e, "w"))) {
2033 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2040 case 0: /* FICS only, actually */
2042 /* Castling legal even if K starts on d-file */
2043 v = VariantWildCastle;
2048 /* Castling illegal even if K & R happen to start in
2049 normal positions. */
2050 v = VariantNoCastle;
2063 /* Castling legal iff K & R start in normal positions */
2069 /* Special wilds for position setup; unclear what to do here */
2070 v = VariantLoadable;
2073 /* Bizarre ICC game */
2074 v = VariantTwoKings;
2077 v = VariantKriegspiel;
2083 v = VariantFischeRandom;
2086 v = VariantCrazyhouse;
2089 v = VariantBughouse;
2095 /* Not quite the same as FICS suicide! */
2096 v = VariantGiveaway;
2102 v = VariantShatranj;
2105 /* Temporary names for future ICC types. The name *will* change in
2106 the next xboard/WinBoard release after ICC defines it. */
2144 v = VariantCapablanca;
2147 v = VariantKnightmate;
2153 v = VariantCylinder;
2159 v = VariantCapaRandom;
2162 v = VariantBerolina;
2174 /* Found "wild" or "w" in the string but no number;
2175 must assume it's normal chess. */
2179 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2180 if( (len >= MSG_SIZ) && appData.debugMode )
2181 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2183 DisplayError(buf, 0);
2189 if (appData.debugMode) {
2190 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2191 e, wnum, VariantName(v));
2196 static int leftover_start = 0, leftover_len = 0;
2197 char star_match[STAR_MATCH_N][MSG_SIZ];
2199 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2200 advance *index beyond it, and set leftover_start to the new value of
2201 *index; else return FALSE. If pattern contains the character '*', it
2202 matches any sequence of characters not containing '\r', '\n', or the
2203 character following the '*' (if any), and the matched sequence(s) are
2204 copied into star_match.
2207 looking_at ( char *buf, int *index, char *pattern)
2209 char *bufp = &buf[*index], *patternp = pattern;
2211 char *matchp = star_match[0];
2214 if (*patternp == NULLCHAR) {
2215 *index = leftover_start = bufp - buf;
2219 if (*bufp == NULLCHAR) return FALSE;
2220 if (*patternp == '*') {
2221 if (*bufp == *(patternp + 1)) {
2223 matchp = star_match[++star_count];
2227 } else if (*bufp == '\n' || *bufp == '\r') {
2229 if (*patternp == NULLCHAR)
2234 *matchp++ = *bufp++;
2238 if (*patternp != *bufp) return FALSE;
2245 SendToPlayer (char *data, int length)
2247 int error, outCount;
2248 outCount = OutputToProcess(NoProc, data, length, &error);
2249 if (outCount < length) {
2250 DisplayFatalError(_("Error writing to display"), error, 1);
2255 PackHolding (char packed[], char *holding)
2265 switch (runlength) {
2276 sprintf(q, "%d", runlength);
2288 /* Telnet protocol requests from the front end */
2290 TelnetRequest (unsigned char ddww, unsigned char option)
2292 unsigned char msg[3];
2293 int outCount, outError;
2295 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2297 if (appData.debugMode) {
2298 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2314 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2323 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2326 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2331 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2333 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2340 if (!appData.icsActive) return;
2341 TelnetRequest(TN_DO, TN_ECHO);
2347 if (!appData.icsActive) return;
2348 TelnetRequest(TN_DONT, TN_ECHO);
2352 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2354 /* put the holdings sent to us by the server on the board holdings area */
2355 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2359 if(gameInfo.holdingsWidth < 2) return;
2360 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2361 return; // prevent overwriting by pre-board holdings
2363 if( (int)lowestPiece >= BlackPawn ) {
2366 holdingsStartRow = BOARD_HEIGHT-1;
2369 holdingsColumn = BOARD_WIDTH-1;
2370 countsColumn = BOARD_WIDTH-2;
2371 holdingsStartRow = 0;
2375 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2376 board[i][holdingsColumn] = EmptySquare;
2377 board[i][countsColumn] = (ChessSquare) 0;
2379 while( (p=*holdings++) != NULLCHAR ) {
2380 piece = CharToPiece( ToUpper(p) );
2381 if(piece == EmptySquare) continue;
2382 /*j = (int) piece - (int) WhitePawn;*/
2383 j = PieceToNumber(piece);
2384 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2385 if(j < 0) continue; /* should not happen */
2386 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2387 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2388 board[holdingsStartRow+j*direction][countsColumn]++;
2394 VariantSwitch (Board board, VariantClass newVariant)
2396 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2397 static Board oldBoard;
2399 startedFromPositionFile = FALSE;
2400 if(gameInfo.variant == newVariant) return;
2402 /* [HGM] This routine is called each time an assignment is made to
2403 * gameInfo.variant during a game, to make sure the board sizes
2404 * are set to match the new variant. If that means adding or deleting
2405 * holdings, we shift the playing board accordingly
2406 * This kludge is needed because in ICS observe mode, we get boards
2407 * of an ongoing game without knowing the variant, and learn about the
2408 * latter only later. This can be because of the move list we requested,
2409 * in which case the game history is refilled from the beginning anyway,
2410 * but also when receiving holdings of a crazyhouse game. In the latter
2411 * case we want to add those holdings to the already received position.
2415 if (appData.debugMode) {
2416 fprintf(debugFP, "Switch board from %s to %s\n",
2417 VariantName(gameInfo.variant), VariantName(newVariant));
2418 setbuf(debugFP, NULL);
2420 shuffleOpenings = 0; /* [HGM] shuffle */
2421 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2425 newWidth = 9; newHeight = 9;
2426 gameInfo.holdingsSize = 7;
2427 case VariantBughouse:
2428 case VariantCrazyhouse:
2429 newHoldingsWidth = 2; break;
2433 newHoldingsWidth = 2;
2434 gameInfo.holdingsSize = 8;
2437 case VariantCapablanca:
2438 case VariantCapaRandom:
2441 newHoldingsWidth = gameInfo.holdingsSize = 0;
2444 if(newWidth != gameInfo.boardWidth ||
2445 newHeight != gameInfo.boardHeight ||
2446 newHoldingsWidth != gameInfo.holdingsWidth ) {
2448 /* shift position to new playing area, if needed */
2449 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2450 for(i=0; i<BOARD_HEIGHT; i++)
2451 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2452 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2454 for(i=0; i<newHeight; i++) {
2455 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2456 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2458 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2459 for(i=0; i<BOARD_HEIGHT; i++)
2460 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2461 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2464 board[HOLDINGS_SET] = 0;
2465 gameInfo.boardWidth = newWidth;
2466 gameInfo.boardHeight = newHeight;
2467 gameInfo.holdingsWidth = newHoldingsWidth;
2468 gameInfo.variant = newVariant;
2469 InitDrawingSizes(-2, 0);
2470 } else gameInfo.variant = newVariant;
2471 CopyBoard(oldBoard, board); // remember correctly formatted board
2472 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2473 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2476 static int loggedOn = FALSE;
2478 /*-- Game start info cache: --*/
2480 char gs_kind[MSG_SIZ];
2481 static char player1Name[128] = "";
2482 static char player2Name[128] = "";
2483 static char cont_seq[] = "\n\\ ";
2484 static int player1Rating = -1;
2485 static int player2Rating = -1;
2486 /*----------------------------*/
2488 ColorClass curColor = ColorNormal;
2489 int suppressKibitz = 0;
2492 Boolean soughtPending = FALSE;
2493 Boolean seekGraphUp;
2494 #define MAX_SEEK_ADS 200
2496 char *seekAdList[MAX_SEEK_ADS];
2497 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2498 float tcList[MAX_SEEK_ADS];
2499 char colorList[MAX_SEEK_ADS];
2500 int nrOfSeekAds = 0;
2501 int minRating = 1010, maxRating = 2800;
2502 int hMargin = 10, vMargin = 20, h, w;
2503 extern int squareSize, lineGap;
2508 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2509 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2510 if(r < minRating+100 && r >=0 ) r = minRating+100;
2511 if(r > maxRating) r = maxRating;
2512 if(tc < 1.f) tc = 1.f;
2513 if(tc > 95.f) tc = 95.f;
2514 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2515 y = ((double)r - minRating)/(maxRating - minRating)
2516 * (h-vMargin-squareSize/8-1) + vMargin;
2517 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2518 if(strstr(seekAdList[i], " u ")) color = 1;
2519 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2520 !strstr(seekAdList[i], "bullet") &&
2521 !strstr(seekAdList[i], "blitz") &&
2522 !strstr(seekAdList[i], "standard") ) color = 2;
2523 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2524 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2528 PlotSingleSeekAd (int i)
2534 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2536 char buf[MSG_SIZ], *ext = "";
2537 VariantClass v = StringToVariant(type);
2538 if(strstr(type, "wild")) {
2539 ext = type + 4; // append wild number
2540 if(v == VariantFischeRandom) type = "chess960"; else
2541 if(v == VariantLoadable) type = "setup"; else
2542 type = VariantName(v);
2544 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2545 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2546 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2547 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2548 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2549 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2550 seekNrList[nrOfSeekAds] = nr;
2551 zList[nrOfSeekAds] = 0;
2552 seekAdList[nrOfSeekAds++] = StrSave(buf);
2553 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2558 EraseSeekDot (int i)
2560 int x = xList[i], y = yList[i], d=squareSize/4, k;
2561 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2562 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2563 // now replot every dot that overlapped
2564 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2565 int xx = xList[k], yy = yList[k];
2566 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2567 DrawSeekDot(xx, yy, colorList[k]);
2572 RemoveSeekAd (int nr)
2575 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2577 if(seekAdList[i]) free(seekAdList[i]);
2578 seekAdList[i] = seekAdList[--nrOfSeekAds];
2579 seekNrList[i] = seekNrList[nrOfSeekAds];
2580 ratingList[i] = ratingList[nrOfSeekAds];
2581 colorList[i] = colorList[nrOfSeekAds];
2582 tcList[i] = tcList[nrOfSeekAds];
2583 xList[i] = xList[nrOfSeekAds];
2584 yList[i] = yList[nrOfSeekAds];
2585 zList[i] = zList[nrOfSeekAds];
2586 seekAdList[nrOfSeekAds] = NULL;
2592 MatchSoughtLine (char *line)
2594 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2595 int nr, base, inc, u=0; char dummy;
2597 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2598 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2600 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2601 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2602 // match: compact and save the line
2603 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2613 if(!seekGraphUp) return FALSE;
2614 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2615 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2617 DrawSeekBackground(0, 0, w, h);
2618 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2619 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2620 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2621 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2623 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2626 snprintf(buf, MSG_SIZ, "%d", i);
2627 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2630 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2631 for(i=1; i<100; i+=(i<10?1:5)) {
2632 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2633 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2634 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2636 snprintf(buf, MSG_SIZ, "%d", i);
2637 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2640 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2645 SeekGraphClick (ClickType click, int x, int y, int moving)
2647 static int lastDown = 0, displayed = 0, lastSecond;
2648 if(y < 0) return FALSE;
2649 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2650 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2651 if(!seekGraphUp) return FALSE;
2652 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2653 DrawPosition(TRUE, NULL);
2656 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2657 if(click == Release || moving) return FALSE;
2659 soughtPending = TRUE;
2660 SendToICS(ics_prefix);
2661 SendToICS("sought\n"); // should this be "sought all"?
2662 } else { // issue challenge based on clicked ad
2663 int dist = 10000; int i, closest = 0, second = 0;
2664 for(i=0; i<nrOfSeekAds; i++) {
2665 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2666 if(d < dist) { dist = d; closest = i; }
2667 second += (d - zList[i] < 120); // count in-range ads
2668 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2672 second = (second > 1);
2673 if(displayed != closest || second != lastSecond) {
2674 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2675 lastSecond = second; displayed = closest;
2677 if(click == Press) {
2678 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2681 } // on press 'hit', only show info
2682 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2683 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2684 SendToICS(ics_prefix);
2686 return TRUE; // let incoming board of started game pop down the graph
2687 } else if(click == Release) { // release 'miss' is ignored
2688 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2689 if(moving == 2) { // right up-click
2690 nrOfSeekAds = 0; // refresh graph
2691 soughtPending = TRUE;
2692 SendToICS(ics_prefix);
2693 SendToICS("sought\n"); // should this be "sought all"?
2696 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2697 // press miss or release hit 'pop down' seek graph
2698 seekGraphUp = FALSE;
2699 DrawPosition(TRUE, NULL);
2705 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2707 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2708 #define STARTED_NONE 0
2709 #define STARTED_MOVES 1
2710 #define STARTED_BOARD 2
2711 #define STARTED_OBSERVE 3
2712 #define STARTED_HOLDINGS 4
2713 #define STARTED_CHATTER 5
2714 #define STARTED_COMMENT 6
2715 #define STARTED_MOVES_NOHIDE 7
2717 static int started = STARTED_NONE;
2718 static char parse[20000];
2719 static int parse_pos = 0;
2720 static char buf[BUF_SIZE + 1];
2721 static int firstTime = TRUE, intfSet = FALSE;
2722 static ColorClass prevColor = ColorNormal;
2723 static int savingComment = FALSE;
2724 static int cmatch = 0; // continuation sequence match
2731 int backup; /* [DM] For zippy color lines */
2733 char talker[MSG_SIZ]; // [HGM] chat
2736 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2738 if (appData.debugMode) {
2740 fprintf(debugFP, "<ICS: ");
2741 show_bytes(debugFP, data, count);
2742 fprintf(debugFP, "\n");
2746 if (appData.debugMode) { int f = forwardMostMove;
2747 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2748 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2749 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2752 /* If last read ended with a partial line that we couldn't parse,
2753 prepend it to the new read and try again. */
2754 if (leftover_len > 0) {
2755 for (i=0; i<leftover_len; i++)
2756 buf[i] = buf[leftover_start + i];
2759 /* copy new characters into the buffer */
2760 bp = buf + leftover_len;
2761 buf_len=leftover_len;
2762 for (i=0; i<count; i++)
2765 if (data[i] == '\r')
2768 // join lines split by ICS?
2769 if (!appData.noJoin)
2772 Joining just consists of finding matches against the
2773 continuation sequence, and discarding that sequence
2774 if found instead of copying it. So, until a match
2775 fails, there's nothing to do since it might be the
2776 complete sequence, and thus, something we don't want
2779 if (data[i] == cont_seq[cmatch])
2782 if (cmatch == strlen(cont_seq))
2784 cmatch = 0; // complete match. just reset the counter
2787 it's possible for the ICS to not include the space
2788 at the end of the last word, making our [correct]
2789 join operation fuse two separate words. the server
2790 does this when the space occurs at the width setting.
2792 if (!buf_len || buf[buf_len-1] != ' ')
2803 match failed, so we have to copy what matched before
2804 falling through and copying this character. In reality,
2805 this will only ever be just the newline character, but
2806 it doesn't hurt to be precise.
2808 strncpy(bp, cont_seq, cmatch);
2820 buf[buf_len] = NULLCHAR;
2821 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2826 while (i < buf_len) {
2827 /* Deal with part of the TELNET option negotiation
2828 protocol. We refuse to do anything beyond the
2829 defaults, except that we allow the WILL ECHO option,
2830 which ICS uses to turn off password echoing when we are
2831 directly connected to it. We reject this option
2832 if localLineEditing mode is on (always on in xboard)
2833 and we are talking to port 23, which might be a real
2834 telnet server that will try to keep WILL ECHO on permanently.
2836 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2837 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2838 unsigned char option;
2840 switch ((unsigned char) buf[++i]) {
2842 if (appData.debugMode)
2843 fprintf(debugFP, "\n<WILL ");
2844 switch (option = (unsigned char) buf[++i]) {
2846 if (appData.debugMode)
2847 fprintf(debugFP, "ECHO ");
2848 /* Reply only if this is a change, according
2849 to the protocol rules. */
2850 if (remoteEchoOption) break;
2851 if (appData.localLineEditing &&
2852 atoi(appData.icsPort) == TN_PORT) {
2853 TelnetRequest(TN_DONT, TN_ECHO);
2856 TelnetRequest(TN_DO, TN_ECHO);
2857 remoteEchoOption = TRUE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", option);
2863 /* Whatever this is, we don't want it. */
2864 TelnetRequest(TN_DONT, option);
2869 if (appData.debugMode)
2870 fprintf(debugFP, "\n<WONT ");
2871 switch (option = (unsigned char) buf[++i]) {
2873 if (appData.debugMode)
2874 fprintf(debugFP, "ECHO ");
2875 /* Reply only if this is a change, according
2876 to the protocol rules. */
2877 if (!remoteEchoOption) break;
2879 TelnetRequest(TN_DONT, TN_ECHO);
2880 remoteEchoOption = FALSE;
2883 if (appData.debugMode)
2884 fprintf(debugFP, "%d ", (unsigned char) option);
2885 /* Whatever this is, it must already be turned
2886 off, because we never agree to turn on
2887 anything non-default, so according to the
2888 protocol rules, we don't reply. */
2893 if (appData.debugMode)
2894 fprintf(debugFP, "\n<DO ");
2895 switch (option = (unsigned char) buf[++i]) {
2897 /* Whatever this is, we refuse to do it. */
2898 if (appData.debugMode)
2899 fprintf(debugFP, "%d ", option);
2900 TelnetRequest(TN_WONT, option);
2905 if (appData.debugMode)
2906 fprintf(debugFP, "\n<DONT ");
2907 switch (option = (unsigned char) buf[++i]) {
2909 if (appData.debugMode)
2910 fprintf(debugFP, "%d ", option);
2911 /* Whatever this is, we are already not doing
2912 it, because we never agree to do anything
2913 non-default, so according to the protocol
2914 rules, we don't reply. */
2919 if (appData.debugMode)
2920 fprintf(debugFP, "\n<IAC ");
2921 /* Doubled IAC; pass it through */
2925 if (appData.debugMode)
2926 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2927 /* Drop all other telnet commands on the floor */
2930 if (oldi > next_out)
2931 SendToPlayer(&buf[next_out], oldi - next_out);
2937 /* OK, this at least will *usually* work */
2938 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2942 if (loggedOn && !intfSet) {
2943 if (ics_type == ICS_ICC) {
2944 snprintf(str, MSG_SIZ,
2945 "/set-quietly interface %s\n/set-quietly style 12\n",
2947 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2948 strcat(str, "/set-2 51 1\n/set seek 1\n");
2949 } else if (ics_type == ICS_CHESSNET) {
2950 snprintf(str, MSG_SIZ, "/style 12\n");
2952 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2953 strcat(str, programVersion);
2954 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2955 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2956 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2958 strcat(str, "$iset nohighlight 1\n");
2960 strcat(str, "$iset lock 1\n$style 12\n");
2963 NotifyFrontendLogin();
2967 if (started == STARTED_COMMENT) {
2968 /* Accumulate characters in comment */
2969 parse[parse_pos++] = buf[i];
2970 if (buf[i] == '\n') {
2971 parse[parse_pos] = NULLCHAR;
2972 if(chattingPartner>=0) {
2974 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2975 OutputChatMessage(chattingPartner, mess);
2976 chattingPartner = -1;
2977 next_out = i+1; // [HGM] suppress printing in ICS window
2979 if(!suppressKibitz) // [HGM] kibitz
2980 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2981 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2982 int nrDigit = 0, nrAlph = 0, j;
2983 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2984 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2985 parse[parse_pos] = NULLCHAR;
2986 // try to be smart: if it does not look like search info, it should go to
2987 // ICS interaction window after all, not to engine-output window.
2988 for(j=0; j<parse_pos; j++) { // count letters and digits
2989 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2990 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2991 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2993 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2994 int depth=0; float score;
2995 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2996 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2997 pvInfoList[forwardMostMove-1].depth = depth;
2998 pvInfoList[forwardMostMove-1].score = 100*score;
3000 OutputKibitz(suppressKibitz, parse);
3003 if(gameMode == IcsObserving) // restore original ICS messages
3004 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3006 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3007 SendToPlayer(tmp, strlen(tmp));
3009 next_out = i+1; // [HGM] suppress printing in ICS window
3011 started = STARTED_NONE;
3013 /* Don't match patterns against characters in comment */
3018 if (started == STARTED_CHATTER) {
3019 if (buf[i] != '\n') {
3020 /* Don't match patterns against characters in chatter */
3024 started = STARTED_NONE;
3025 if(suppressKibitz) next_out = i+1;
3028 /* Kludge to deal with rcmd protocol */
3029 if (firstTime && looking_at(buf, &i, "\001*")) {
3030 DisplayFatalError(&buf[1], 0, 1);
3036 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3039 if (appData.debugMode)
3040 fprintf(debugFP, "ics_type %d\n", ics_type);
3043 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3044 ics_type = ICS_FICS;
3046 if (appData.debugMode)
3047 fprintf(debugFP, "ics_type %d\n", ics_type);
3050 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3051 ics_type = ICS_CHESSNET;
3053 if (appData.debugMode)
3054 fprintf(debugFP, "ics_type %d\n", ics_type);
3059 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3060 looking_at(buf, &i, "Logging you in as \"*\"") ||
3061 looking_at(buf, &i, "will be \"*\""))) {
3062 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3066 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3068 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3069 DisplayIcsInteractionTitle(buf);
3070 have_set_title = TRUE;
3073 /* skip finger notes */
3074 if (started == STARTED_NONE &&
3075 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3076 (buf[i] == '1' && buf[i+1] == '0')) &&
3077 buf[i+2] == ':' && buf[i+3] == ' ') {
3078 started = STARTED_CHATTER;
3084 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3085 if(appData.seekGraph) {
3086 if(soughtPending && MatchSoughtLine(buf+i)) {
3087 i = strstr(buf+i, "rated") - buf;
3088 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 next_out = leftover_start = i;
3090 started = STARTED_CHATTER;
3091 suppressKibitz = TRUE;
3094 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3095 && looking_at(buf, &i, "* ads displayed")) {
3096 soughtPending = FALSE;
3101 if(appData.autoRefresh) {
3102 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3103 int s = (ics_type == ICS_ICC); // ICC format differs
3105 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3106 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3107 looking_at(buf, &i, "*% "); // eat prompt
3108 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3109 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3110 next_out = i; // suppress
3113 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3114 char *p = star_match[0];
3116 if(seekGraphUp) RemoveSeekAd(atoi(p));
3117 while(*p && *p++ != ' '); // next
3119 looking_at(buf, &i, "*% "); // eat prompt
3120 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3127 /* skip formula vars */
3128 if (started == STARTED_NONE &&
3129 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3130 started = STARTED_CHATTER;
3135 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3136 if (appData.autoKibitz && started == STARTED_NONE &&
3137 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3138 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3139 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3140 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3141 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3142 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3143 suppressKibitz = TRUE;
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3146 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3147 && (gameMode == IcsPlayingWhite)) ||
3148 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3149 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3150 started = STARTED_CHATTER; // own kibitz we simply discard
3152 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3153 parse_pos = 0; parse[0] = NULLCHAR;
3154 savingComment = TRUE;
3155 suppressKibitz = gameMode != IcsObserving ? 2 :
3156 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3160 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3161 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3162 && atoi(star_match[0])) {
3163 // suppress the acknowledgements of our own autoKibitz
3165 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3166 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3167 SendToPlayer(star_match[0], strlen(star_match[0]));
3168 if(looking_at(buf, &i, "*% ")) // eat prompt
3169 suppressKibitz = FALSE;
3173 } // [HGM] kibitz: end of patch
3175 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3177 // [HGM] chat: intercept tells by users for which we have an open chat window
3179 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3180 looking_at(buf, &i, "* whispers:") ||
3181 looking_at(buf, &i, "* kibitzes:") ||
3182 looking_at(buf, &i, "* shouts:") ||
3183 looking_at(buf, &i, "* c-shouts:") ||
3184 looking_at(buf, &i, "--> * ") ||
3185 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3186 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3187 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3188 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3190 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3191 chattingPartner = -1;
3193 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3194 for(p=0; p<MAX_CHAT; p++) {
3195 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3196 talker[0] = '['; strcat(talker, "] ");
3197 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3198 chattingPartner = p; break;
3201 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("kibitzes", chatPartner[p])) {
3204 talker[0] = '['; strcat(talker, "] ");
3205 chattingPartner = p; break;
3208 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3209 for(p=0; p<MAX_CHAT; p++) {
3210 if(!strcmp("whispers", chatPartner[p])) {
3211 talker[0] = '['; strcat(talker, "] ");
3212 chattingPartner = p; break;
3215 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3216 if(buf[i-8] == '-' && buf[i-3] == 't')
3217 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3218 if(!strcmp("c-shouts", chatPartner[p])) {
3219 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3220 chattingPartner = p; break;
3223 if(chattingPartner < 0)
3224 for(p=0; p<MAX_CHAT; p++) {
3225 if(!strcmp("shouts", chatPartner[p])) {
3226 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3227 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3228 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3229 chattingPartner = p; break;
3233 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3234 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3235 talker[0] = 0; Colorize(ColorTell, FALSE);
3236 chattingPartner = p; break;
3238 if(chattingPartner<0) i = oldi; else {
3239 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3240 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3241 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3242 started = STARTED_COMMENT;
3243 parse_pos = 0; parse[0] = NULLCHAR;
3244 savingComment = 3 + chattingPartner; // counts as TRUE
3245 suppressKibitz = TRUE;
3248 } // [HGM] chat: end of patch
3251 if (appData.zippyTalk || appData.zippyPlay) {
3252 /* [DM] Backup address for color zippy lines */
3254 if (loggedOn == TRUE)
3255 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3256 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3258 } // [DM] 'else { ' deleted
3260 /* Regular tells and says */
3261 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3262 looking_at(buf, &i, "* (your partner) tells you: ") ||
3263 looking_at(buf, &i, "* says: ") ||
3264 /* Don't color "message" or "messages" output */
3265 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3266 looking_at(buf, &i, "*. * at *:*: ") ||
3267 looking_at(buf, &i, "--* (*:*): ") ||
3268 /* Message notifications (same color as tells) */
3269 looking_at(buf, &i, "* has left a message ") ||
3270 looking_at(buf, &i, "* just sent you a message:\n") ||
3271 /* Whispers and kibitzes */
3272 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3273 looking_at(buf, &i, "* kibitzes: ") ||
3275 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3277 if (tkind == 1 && strchr(star_match[0], ':')) {
3278 /* Avoid "tells you:" spoofs in channels */
3281 if (star_match[0][0] == NULLCHAR ||
3282 strchr(star_match[0], ' ') ||
3283 (tkind == 3 && strchr(star_match[1], ' '))) {
3284 /* Reject bogus matches */
3287 if (appData.colorize) {
3288 if (oldi > next_out) {
3289 SendToPlayer(&buf[next_out], oldi - next_out);
3294 Colorize(ColorTell, FALSE);
3295 curColor = ColorTell;
3298 Colorize(ColorKibitz, FALSE);
3299 curColor = ColorKibitz;
3302 p = strrchr(star_match[1], '(');
3309 Colorize(ColorChannel1, FALSE);
3310 curColor = ColorChannel1;
3312 Colorize(ColorChannel, FALSE);
3313 curColor = ColorChannel;
3317 curColor = ColorNormal;
3321 if (started == STARTED_NONE && appData.autoComment &&
3322 (gameMode == IcsObserving ||
3323 gameMode == IcsPlayingWhite ||
3324 gameMode == IcsPlayingBlack)) {
3325 parse_pos = i - oldi;
3326 memcpy(parse, &buf[oldi], parse_pos);
3327 parse[parse_pos] = NULLCHAR;
3328 started = STARTED_COMMENT;
3329 savingComment = TRUE;
3331 started = STARTED_CHATTER;
3332 savingComment = FALSE;
3339 if (looking_at(buf, &i, "* s-shouts: ") ||
3340 looking_at(buf, &i, "* c-shouts: ")) {
3341 if (appData.colorize) {
3342 if (oldi > next_out) {
3343 SendToPlayer(&buf[next_out], oldi - next_out);
3346 Colorize(ColorSShout, FALSE);
3347 curColor = ColorSShout;
3350 started = STARTED_CHATTER;
3354 if (looking_at(buf, &i, "--->")) {
3359 if (looking_at(buf, &i, "* shouts: ") ||
3360 looking_at(buf, &i, "--> ")) {
3361 if (appData.colorize) {
3362 if (oldi > next_out) {
3363 SendToPlayer(&buf[next_out], oldi - next_out);
3366 Colorize(ColorShout, FALSE);
3367 curColor = ColorShout;
3370 started = STARTED_CHATTER;
3374 if (looking_at( buf, &i, "Challenge:")) {
3375 if (appData.colorize) {
3376 if (oldi > next_out) {
3377 SendToPlayer(&buf[next_out], oldi - next_out);
3380 Colorize(ColorChallenge, FALSE);
3381 curColor = ColorChallenge;
3387 if (looking_at(buf, &i, "* offers you") ||
3388 looking_at(buf, &i, "* offers to be") ||
3389 looking_at(buf, &i, "* would like to") ||
3390 looking_at(buf, &i, "* requests to") ||
3391 looking_at(buf, &i, "Your opponent offers") ||
3392 looking_at(buf, &i, "Your opponent requests")) {
3394 if (appData.colorize) {
3395 if (oldi > next_out) {
3396 SendToPlayer(&buf[next_out], oldi - next_out);
3399 Colorize(ColorRequest, FALSE);
3400 curColor = ColorRequest;
3405 if (looking_at(buf, &i, "* (*) seeking")) {
3406 if (appData.colorize) {
3407 if (oldi > next_out) {
3408 SendToPlayer(&buf[next_out], oldi - next_out);
3411 Colorize(ColorSeek, FALSE);
3412 curColor = ColorSeek;
3417 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3419 if (looking_at(buf, &i, "\\ ")) {
3420 if (prevColor != ColorNormal) {
3421 if (oldi > next_out) {
3422 SendToPlayer(&buf[next_out], oldi - next_out);
3425 Colorize(prevColor, TRUE);
3426 curColor = prevColor;
3428 if (savingComment) {
3429 parse_pos = i - oldi;
3430 memcpy(parse, &buf[oldi], parse_pos);
3431 parse[parse_pos] = NULLCHAR;
3432 started = STARTED_COMMENT;
3433 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3434 chattingPartner = savingComment - 3; // kludge to remember the box
3436 started = STARTED_CHATTER;
3441 if (looking_at(buf, &i, "Black Strength :") ||
3442 looking_at(buf, &i, "<<< style 10 board >>>") ||
3443 looking_at(buf, &i, "<10>") ||
3444 looking_at(buf, &i, "#@#")) {
3445 /* Wrong board style */
3447 SendToICS(ics_prefix);
3448 SendToICS("set style 12\n");
3449 SendToICS(ics_prefix);
3450 SendToICS("refresh\n");
3454 if (looking_at(buf, &i, "login:")) {
3455 if (!have_sent_ICS_logon) {
3457 have_sent_ICS_logon = 1;
3458 else // no init script was found
3459 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3460 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3461 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3466 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3467 (looking_at(buf, &i, "\n<12> ") ||
3468 looking_at(buf, &i, "<12> "))) {
3470 if (oldi > next_out) {
3471 SendToPlayer(&buf[next_out], oldi - next_out);
3474 started = STARTED_BOARD;
3479 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3480 looking_at(buf, &i, "<b1> ")) {
3481 if (oldi > next_out) {
3482 SendToPlayer(&buf[next_out], oldi - next_out);
3485 started = STARTED_HOLDINGS;
3490 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3492 /* Header for a move list -- first line */
3494 switch (ics_getting_history) {
3498 case BeginningOfGame:
3499 /* User typed "moves" or "oldmoves" while we
3500 were idle. Pretend we asked for these
3501 moves and soak them up so user can step
3502 through them and/or save them.
3505 gameMode = IcsObserving;
3508 ics_getting_history = H_GOT_UNREQ_HEADER;
3510 case EditGame: /*?*/
3511 case EditPosition: /*?*/
3512 /* Should above feature work in these modes too? */
3513 /* For now it doesn't */
3514 ics_getting_history = H_GOT_UNWANTED_HEADER;
3517 ics_getting_history = H_GOT_UNWANTED_HEADER;
3522 /* Is this the right one? */
3523 if (gameInfo.white && gameInfo.black &&
3524 strcmp(gameInfo.white, star_match[0]) == 0 &&
3525 strcmp(gameInfo.black, star_match[2]) == 0) {
3527 ics_getting_history = H_GOT_REQ_HEADER;
3530 case H_GOT_REQ_HEADER:
3531 case H_GOT_UNREQ_HEADER:
3532 case H_GOT_UNWANTED_HEADER:
3533 case H_GETTING_MOVES:
3534 /* Should not happen */
3535 DisplayError(_("Error gathering move list: two headers"), 0);
3536 ics_getting_history = H_FALSE;
3540 /* Save player ratings into gameInfo if needed */
3541 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3542 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3543 (gameInfo.whiteRating == -1 ||
3544 gameInfo.blackRating == -1)) {
3546 gameInfo.whiteRating = string_to_rating(star_match[1]);
3547 gameInfo.blackRating = string_to_rating(star_match[3]);
3548 if (appData.debugMode)
3549 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3550 gameInfo.whiteRating, gameInfo.blackRating);
3555 if (looking_at(buf, &i,
3556 "* * match, initial time: * minute*, increment: * second")) {
3557 /* Header for a move list -- second line */
3558 /* Initial board will follow if this is a wild game */
3559 if (gameInfo.event != NULL) free(gameInfo.event);
3560 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3561 gameInfo.event = StrSave(str);
3562 /* [HGM] we switched variant. Translate boards if needed. */
3563 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3567 if (looking_at(buf, &i, "Move ")) {
3568 /* Beginning of a move list */
3569 switch (ics_getting_history) {
3571 /* Normally should not happen */
3572 /* Maybe user hit reset while we were parsing */
3575 /* Happens if we are ignoring a move list that is not
3576 * the one we just requested. Common if the user
3577 * tries to observe two games without turning off
3580 case H_GETTING_MOVES:
3581 /* Should not happen */
3582 DisplayError(_("Error gathering move list: nested"), 0);
3583 ics_getting_history = H_FALSE;
3585 case H_GOT_REQ_HEADER:
3586 ics_getting_history = H_GETTING_MOVES;
3587 started = STARTED_MOVES;
3589 if (oldi > next_out) {
3590 SendToPlayer(&buf[next_out], oldi - next_out);
3593 case H_GOT_UNREQ_HEADER:
3594 ics_getting_history = H_GETTING_MOVES;
3595 started = STARTED_MOVES_NOHIDE;
3598 case H_GOT_UNWANTED_HEADER:
3599 ics_getting_history = H_FALSE;
3605 if (looking_at(buf, &i, "% ") ||
3606 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3607 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3608 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3609 soughtPending = FALSE;
3613 if(suppressKibitz) next_out = i;
3614 savingComment = FALSE;
3618 case STARTED_MOVES_NOHIDE:
3619 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3620 parse[parse_pos + i - oldi] = NULLCHAR;
3621 ParseGameHistory(parse);
3623 if (appData.zippyPlay && first.initDone) {
3624 FeedMovesToProgram(&first, forwardMostMove);
3625 if (gameMode == IcsPlayingWhite) {
3626 if (WhiteOnMove(forwardMostMove)) {
3627 if (first.sendTime) {
3628 if (first.useColors) {
3629 SendToProgram("black\n", &first);
3631 SendTimeRemaining(&first, TRUE);
3633 if (first.useColors) {
3634 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3636 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3637 first.maybeThinking = TRUE;
3639 if (first.usePlayother) {
3640 if (first.sendTime) {
3641 SendTimeRemaining(&first, TRUE);
3643 SendToProgram("playother\n", &first);
3649 } else if (gameMode == IcsPlayingBlack) {
3650 if (!WhiteOnMove(forwardMostMove)) {
3651 if (first.sendTime) {
3652 if (first.useColors) {
3653 SendToProgram("white\n", &first);
3655 SendTimeRemaining(&first, FALSE);
3657 if (first.useColors) {
3658 SendToProgram("black\n", &first);
3660 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3661 first.maybeThinking = TRUE;
3663 if (first.usePlayother) {
3664 if (first.sendTime) {
3665 SendTimeRemaining(&first, FALSE);
3667 SendToProgram("playother\n", &first);
3676 if (gameMode == IcsObserving && ics_gamenum == -1) {
3677 /* Moves came from oldmoves or moves command
3678 while we weren't doing anything else.
3680 currentMove = forwardMostMove;
3681 ClearHighlights();/*!!could figure this out*/
3682 flipView = appData.flipView;
3683 DrawPosition(TRUE, boards[currentMove]);
3684 DisplayBothClocks();
3685 snprintf(str, MSG_SIZ, "%s %s %s",
3686 gameInfo.white, _("vs."), gameInfo.black);
3690 /* Moves were history of an active game */
3691 if (gameInfo.resultDetails != NULL) {
3692 free(gameInfo.resultDetails);
3693 gameInfo.resultDetails = NULL;
3696 HistorySet(parseList, backwardMostMove,
3697 forwardMostMove, currentMove-1);
3698 DisplayMove(currentMove - 1);
3699 if (started == STARTED_MOVES) next_out = i;
3700 started = STARTED_NONE;
3701 ics_getting_history = H_FALSE;
3704 case STARTED_OBSERVE:
3705 started = STARTED_NONE;
3706 SendToICS(ics_prefix);
3707 SendToICS("refresh\n");
3713 if(bookHit) { // [HGM] book: simulate book reply
3714 static char bookMove[MSG_SIZ]; // a bit generous?
3716 programStats.nodes = programStats.depth = programStats.time =
3717 programStats.score = programStats.got_only_move = 0;
3718 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3720 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3721 strcat(bookMove, bookHit);
3722 HandleMachineMove(bookMove, &first);
3727 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3728 started == STARTED_HOLDINGS ||
3729 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3730 /* Accumulate characters in move list or board */
3731 parse[parse_pos++] = buf[i];
3734 /* Start of game messages. Mostly we detect start of game
3735 when the first board image arrives. On some versions
3736 of the ICS, though, we need to do a "refresh" after starting
3737 to observe in order to get the current board right away. */
3738 if (looking_at(buf, &i, "Adding game * to observation list")) {
3739 started = STARTED_OBSERVE;
3743 /* Handle auto-observe */
3744 if (appData.autoObserve &&
3745 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3746 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3748 /* Choose the player that was highlighted, if any. */
3749 if (star_match[0][0] == '\033' ||
3750 star_match[1][0] != '\033') {
3751 player = star_match[0];
3753 player = star_match[2];
3755 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3756 ics_prefix, StripHighlightAndTitle(player));
3759 /* Save ratings from notify string */
3760 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3761 player1Rating = string_to_rating(star_match[1]);
3762 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3763 player2Rating = string_to_rating(star_match[3]);
3765 if (appData.debugMode)
3767 "Ratings from 'Game notification:' %s %d, %s %d\n",
3768 player1Name, player1Rating,
3769 player2Name, player2Rating);
3774 /* Deal with automatic examine mode after a game,
3775 and with IcsObserving -> IcsExamining transition */
3776 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3777 looking_at(buf, &i, "has made you an examiner of game *")) {
3779 int gamenum = atoi(star_match[0]);
3780 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3781 gamenum == ics_gamenum) {
3782 /* We were already playing or observing this game;
3783 no need to refetch history */
3784 gameMode = IcsExamining;
3786 pauseExamForwardMostMove = forwardMostMove;
3787 } else if (currentMove < forwardMostMove) {
3788 ForwardInner(forwardMostMove);
3791 /* I don't think this case really can happen */
3792 SendToICS(ics_prefix);
3793 SendToICS("refresh\n");
3798 /* Error messages */
3799 // if (ics_user_moved) {
3800 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3801 if (looking_at(buf, &i, "Illegal move") ||
3802 looking_at(buf, &i, "Not a legal move") ||
3803 looking_at(buf, &i, "Your king is in check") ||
3804 looking_at(buf, &i, "It isn't your turn") ||
3805 looking_at(buf, &i, "It is not your move")) {
3807 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3808 currentMove = forwardMostMove-1;
3809 DisplayMove(currentMove - 1); /* before DMError */
3810 DrawPosition(FALSE, boards[currentMove]);
3811 SwitchClocks(forwardMostMove-1); // [HGM] race
3812 DisplayBothClocks();
3814 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3820 if (looking_at(buf, &i, "still have time") ||
3821 looking_at(buf, &i, "not out of time") ||
3822 looking_at(buf, &i, "either player is out of time") ||
3823 looking_at(buf, &i, "has timeseal; checking")) {
3824 /* We must have called his flag a little too soon */
3825 whiteFlag = blackFlag = FALSE;
3829 if (looking_at(buf, &i, "added * seconds to") ||
3830 looking_at(buf, &i, "seconds were added to")) {
3831 /* Update the clocks */
3832 SendToICS(ics_prefix);
3833 SendToICS("refresh\n");
3837 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3838 ics_clock_paused = TRUE;
3843 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3844 ics_clock_paused = FALSE;
3849 /* Grab player ratings from the Creating: message.
3850 Note we have to check for the special case when
3851 the ICS inserts things like [white] or [black]. */
3852 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3853 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3855 0 player 1 name (not necessarily white)
3857 2 empty, white, or black (IGNORED)
3858 3 player 2 name (not necessarily black)
3861 The names/ratings are sorted out when the game
3862 actually starts (below).
3864 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3865 player1Rating = string_to_rating(star_match[1]);
3866 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3867 player2Rating = string_to_rating(star_match[4]);
3869 if (appData.debugMode)
3871 "Ratings from 'Creating:' %s %d, %s %d\n",
3872 player1Name, player1Rating,
3873 player2Name, player2Rating);
3878 /* Improved generic start/end-of-game messages */
3879 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3880 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3881 /* If tkind == 0: */
3882 /* star_match[0] is the game number */
3883 /* [1] is the white player's name */
3884 /* [2] is the black player's name */
3885 /* For end-of-game: */
3886 /* [3] is the reason for the game end */
3887 /* [4] is a PGN end game-token, preceded by " " */
3888 /* For start-of-game: */
3889 /* [3] begins with "Creating" or "Continuing" */
3890 /* [4] is " *" or empty (don't care). */
3891 int gamenum = atoi(star_match[0]);
3892 char *whitename, *blackname, *why, *endtoken;
3893 ChessMove endtype = EndOfFile;
3896 whitename = star_match[1];
3897 blackname = star_match[2];
3898 why = star_match[3];
3899 endtoken = star_match[4];
3901 whitename = star_match[1];
3902 blackname = star_match[3];
3903 why = star_match[5];
3904 endtoken = star_match[6];
3907 /* Game start messages */
3908 if (strncmp(why, "Creating ", 9) == 0 ||
3909 strncmp(why, "Continuing ", 11) == 0) {
3910 gs_gamenum = gamenum;
3911 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3912 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3913 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3915 if (appData.zippyPlay) {
3916 ZippyGameStart(whitename, blackname);
3919 partnerBoardValid = FALSE; // [HGM] bughouse
3923 /* Game end messages */
3924 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3925 ics_gamenum != gamenum) {
3928 while (endtoken[0] == ' ') endtoken++;
3929 switch (endtoken[0]) {
3932 endtype = GameUnfinished;
3935 endtype = BlackWins;
3938 if (endtoken[1] == '/')
3939 endtype = GameIsDrawn;
3941 endtype = WhiteWins;
3944 GameEnds(endtype, why, GE_ICS);
3946 if (appData.zippyPlay && first.initDone) {
3947 ZippyGameEnd(endtype, why);
3948 if (first.pr == NoProc) {
3949 /* Start the next process early so that we'll
3950 be ready for the next challenge */
3951 StartChessProgram(&first);
3953 /* Send "new" early, in case this command takes
3954 a long time to finish, so that we'll be ready
3955 for the next challenge. */
3956 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3960 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3964 if (looking_at(buf, &i, "Removing game * from observation") ||
3965 looking_at(buf, &i, "no longer observing game *") ||
3966 looking_at(buf, &i, "Game * (*) has no examiners")) {
3967 if (gameMode == IcsObserving &&
3968 atoi(star_match[0]) == ics_gamenum)
3970 /* icsEngineAnalyze */
3971 if (appData.icsEngineAnalyze) {
3978 ics_user_moved = FALSE;
3983 if (looking_at(buf, &i, "no longer examining game *")) {
3984 if (gameMode == IcsExamining &&
3985 atoi(star_match[0]) == ics_gamenum)
3989 ics_user_moved = FALSE;
3994 /* Advance leftover_start past any newlines we find,
3995 so only partial lines can get reparsed */
3996 if (looking_at(buf, &i, "\n")) {
3997 prevColor = curColor;
3998 if (curColor != ColorNormal) {
3999 if (oldi > next_out) {
4000 SendToPlayer(&buf[next_out], oldi - next_out);
4003 Colorize(ColorNormal, FALSE);
4004 curColor = ColorNormal;
4006 if (started == STARTED_BOARD) {
4007 started = STARTED_NONE;
4008 parse[parse_pos] = NULLCHAR;
4009 ParseBoard12(parse);
4012 /* Send premove here */
4013 if (appData.premove) {
4015 if (currentMove == 0 &&
4016 gameMode == IcsPlayingWhite &&
4017 appData.premoveWhite) {
4018 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4019 if (appData.debugMode)
4020 fprintf(debugFP, "Sending premove:\n");
4022 } else if (currentMove == 1 &&
4023 gameMode == IcsPlayingBlack &&
4024 appData.premoveBlack) {
4025 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Sending premove:\n");
4029 } else if (gotPremove) {
4031 ClearPremoveHighlights();
4032 if (appData.debugMode)
4033 fprintf(debugFP, "Sending premove:\n");
4034 UserMoveEvent(premoveFromX, premoveFromY,
4035 premoveToX, premoveToY,
4040 /* Usually suppress following prompt */
4041 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4042 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4043 if (looking_at(buf, &i, "*% ")) {
4044 savingComment = FALSE;
4049 } else if (started == STARTED_HOLDINGS) {
4051 char new_piece[MSG_SIZ];
4052 started = STARTED_NONE;
4053 parse[parse_pos] = NULLCHAR;
4054 if (appData.debugMode)
4055 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4056 parse, currentMove);
4057 if (sscanf(parse, " game %d", &gamenum) == 1) {
4058 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4059 if (gameInfo.variant == VariantNormal) {
4060 /* [HGM] We seem to switch variant during a game!
4061 * Presumably no holdings were displayed, so we have
4062 * to move the position two files to the right to
4063 * create room for them!
4065 VariantClass newVariant;
4066 switch(gameInfo.boardWidth) { // base guess on board width
4067 case 9: newVariant = VariantShogi; break;
4068 case 10: newVariant = VariantGreat; break;
4069 default: newVariant = VariantCrazyhouse; break;
4071 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4072 /* Get a move list just to see the header, which
4073 will tell us whether this is really bug or zh */
4074 if (ics_getting_history == H_FALSE) {
4075 ics_getting_history = H_REQUESTED;
4076 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4080 new_piece[0] = NULLCHAR;
4081 sscanf(parse, "game %d white [%s black [%s <- %s",
4082 &gamenum, white_holding, black_holding,
4084 white_holding[strlen(white_holding)-1] = NULLCHAR;
4085 black_holding[strlen(black_holding)-1] = NULLCHAR;
4086 /* [HGM] copy holdings to board holdings area */
4087 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4088 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4089 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyHoldings(white_holding, black_holding,
4096 if (tinyLayout || smallLayout) {
4097 char wh[16], bh[16];
4098 PackHolding(wh, white_holding);
4099 PackHolding(bh, black_holding);
4100 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4101 gameInfo.white, gameInfo.black);
4103 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4104 gameInfo.white, white_holding, _("vs."),
4105 gameInfo.black, black_holding);
4107 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4108 DrawPosition(FALSE, boards[currentMove]);
4110 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4111 sscanf(parse, "game %d white [%s black [%s <- %s",
4112 &gamenum, white_holding, black_holding,
4114 white_holding[strlen(white_holding)-1] = NULLCHAR;
4115 black_holding[strlen(black_holding)-1] = NULLCHAR;
4116 /* [HGM] copy holdings to partner-board holdings area */
4117 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4118 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4119 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4120 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4121 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4124 /* Suppress following prompt */
4125 if (looking_at(buf, &i, "*% ")) {
4126 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4127 savingComment = FALSE;
4135 i++; /* skip unparsed character and loop back */
4138 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4139 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4140 // SendToPlayer(&buf[next_out], i - next_out);
4141 started != STARTED_HOLDINGS && leftover_start > next_out) {
4142 SendToPlayer(&buf[next_out], leftover_start - next_out);
4146 leftover_len = buf_len - leftover_start;
4147 /* if buffer ends with something we couldn't parse,
4148 reparse it after appending the next read */
4150 } else if (count == 0) {
4151 RemoveInputSource(isr);
4152 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4154 DisplayFatalError(_("Error reading from ICS"), error, 1);
4159 /* Board style 12 looks like this:
4161 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4163 * The "<12> " is stripped before it gets to this routine. The two
4164 * trailing 0's (flip state and clock ticking) are later addition, and
4165 * some chess servers may not have them, or may have only the first.
4166 * Additional trailing fields may be added in the future.
4169 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4171 #define RELATION_OBSERVING_PLAYED 0
4172 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4173 #define RELATION_PLAYING_MYMOVE 1
4174 #define RELATION_PLAYING_NOTMYMOVE -1
4175 #define RELATION_EXAMINING 2
4176 #define RELATION_ISOLATED_BOARD -3
4177 #define RELATION_STARTING_POSITION -4 /* FICS only */
4180 ParseBoard12 (char *string)
4182 GameMode newGameMode;
4183 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4184 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4185 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4186 char to_play, board_chars[200];
4187 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4188 char black[32], white[32];
4190 int prevMove = currentMove;
4193 int fromX, fromY, toX, toY;
4195 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4196 char *bookHit = NULL; // [HGM] book
4197 Boolean weird = FALSE, reqFlag = FALSE;
4199 fromX = fromY = toX = toY = -1;
4203 if (appData.debugMode)
4204 fprintf(debugFP, _("Parsing board: %s\n"), string);
4206 move_str[0] = NULLCHAR;
4207 elapsed_time[0] = NULLCHAR;
4208 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4210 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4211 if(string[i] == ' ') { ranks++; files = 0; }
4213 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4216 for(j = 0; j <i; j++) board_chars[j] = string[j];
4217 board_chars[i] = '\0';
4220 n = sscanf(string, PATTERN, &to_play, &double_push,
4221 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4222 &gamenum, white, black, &relation, &basetime, &increment,
4223 &white_stren, &black_stren, &white_time, &black_time,
4224 &moveNum, str, elapsed_time, move_str, &ics_flip,
4228 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4229 DisplayError(str, 0);
4233 /* Convert the move number to internal form */
4234 moveNum = (moveNum - 1) * 2;
4235 if (to_play == 'B') moveNum++;
4236 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4237 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4243 case RELATION_OBSERVING_PLAYED:
4244 case RELATION_OBSERVING_STATIC:
4245 if (gamenum == -1) {
4246 /* Old ICC buglet */
4247 relation = RELATION_OBSERVING_STATIC;
4249 newGameMode = IcsObserving;
4251 case RELATION_PLAYING_MYMOVE:
4252 case RELATION_PLAYING_NOTMYMOVE:
4254 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4255 IcsPlayingWhite : IcsPlayingBlack;
4256 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4258 case RELATION_EXAMINING:
4259 newGameMode = IcsExamining;
4261 case RELATION_ISOLATED_BOARD:
4263 /* Just display this board. If user was doing something else,
4264 we will forget about it until the next board comes. */
4265 newGameMode = IcsIdle;
4267 case RELATION_STARTING_POSITION:
4268 newGameMode = gameMode;
4272 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4273 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4274 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4275 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4276 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4277 static int lastBgGame = -1;
4279 for (k = 0; k < ranks; k++) {
4280 for (j = 0; j < files; j++)
4281 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4282 if(gameInfo.holdingsWidth > 1) {
4283 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4284 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4287 CopyBoard(partnerBoard, board);
4288 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4289 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4290 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4291 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4292 if(toSqr = strchr(str, '-')) {
4293 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4294 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4295 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4296 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4297 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4298 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4300 DisplayWhiteClock(white_time*fac, to_play == 'W');
4301 DisplayBlackClock(black_time*fac, to_play != 'W');
4302 activePartner = to_play;
4303 if(gamenum != lastBgGame) {
4305 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4308 lastBgGame = gamenum;
4309 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4310 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4311 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4312 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4313 DisplayMessage(partnerStatus, "");
4314 partnerBoardValid = TRUE;
4318 if(appData.dualBoard && appData.bgObserve) {
4319 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4320 SendToICS(ics_prefix), SendToICS("pobserve\n");
4321 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4323 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4328 /* Modify behavior for initial board display on move listing
4331 switch (ics_getting_history) {
4335 case H_GOT_REQ_HEADER:
4336 case H_GOT_UNREQ_HEADER:
4337 /* This is the initial position of the current game */
4338 gamenum = ics_gamenum;
4339 moveNum = 0; /* old ICS bug workaround */
4340 if (to_play == 'B') {
4341 startedFromSetupPosition = TRUE;
4342 blackPlaysFirst = TRUE;
4344 if (forwardMostMove == 0) forwardMostMove = 1;
4345 if (backwardMostMove == 0) backwardMostMove = 1;
4346 if (currentMove == 0) currentMove = 1;
4348 newGameMode = gameMode;
4349 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4351 case H_GOT_UNWANTED_HEADER:
4352 /* This is an initial board that we don't want */
4354 case H_GETTING_MOVES:
4355 /* Should not happen */
4356 DisplayError(_("Error gathering move list: extra board"), 0);
4357 ics_getting_history = H_FALSE;
4361 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4362 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4363 weird && (int)gameInfo.variant < (int)VariantShogi) {
4364 /* [HGM] We seem to have switched variant unexpectedly
4365 * Try to guess new variant from board size
4367 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4368 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4369 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4370 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4371 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4372 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4373 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4374 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4375 /* Get a move list just to see the header, which
4376 will tell us whether this is really bug or zh */
4377 if (ics_getting_history == H_FALSE) {
4378 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4379 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4384 /* Take action if this is the first board of a new game, or of a
4385 different game than is currently being displayed. */
4386 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4387 relation == RELATION_ISOLATED_BOARD) {
4389 /* Forget the old game and get the history (if any) of the new one */
4390 if (gameMode != BeginningOfGame) {
4394 if (appData.autoRaiseBoard) BoardToTop();
4396 if (gamenum == -1) {
4397 newGameMode = IcsIdle;
4398 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4399 appData.getMoveList && !reqFlag) {
4400 /* Need to get game history */
4401 ics_getting_history = H_REQUESTED;
4402 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4406 /* Initially flip the board to have black on the bottom if playing
4407 black or if the ICS flip flag is set, but let the user change
4408 it with the Flip View button. */
4409 flipView = appData.autoFlipView ?
4410 (newGameMode == IcsPlayingBlack) || ics_flip :
4413 /* Done with values from previous mode; copy in new ones */
4414 gameMode = newGameMode;
4416 ics_gamenum = gamenum;
4417 if (gamenum == gs_gamenum) {
4418 int klen = strlen(gs_kind);
4419 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4420 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4421 gameInfo.event = StrSave(str);
4423 gameInfo.event = StrSave("ICS game");
4425 gameInfo.site = StrSave(appData.icsHost);
4426 gameInfo.date = PGNDate();
4427 gameInfo.round = StrSave("-");
4428 gameInfo.white = StrSave(white);
4429 gameInfo.black = StrSave(black);
4430 timeControl = basetime * 60 * 1000;
4432 timeIncrement = increment * 1000;
4433 movesPerSession = 0;
4434 gameInfo.timeControl = TimeControlTagValue();
4435 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4436 if (appData.debugMode) {
4437 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4438 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4439 setbuf(debugFP, NULL);
4442 gameInfo.outOfBook = NULL;
4444 /* Do we have the ratings? */
4445 if (strcmp(player1Name, white) == 0 &&
4446 strcmp(player2Name, black) == 0) {
4447 if (appData.debugMode)
4448 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4449 player1Rating, player2Rating);
4450 gameInfo.whiteRating = player1Rating;
4451 gameInfo.blackRating = player2Rating;
4452 } else if (strcmp(player2Name, white) == 0 &&
4453 strcmp(player1Name, black) == 0) {
4454 if (appData.debugMode)
4455 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4456 player2Rating, player1Rating);
4457 gameInfo.whiteRating = player2Rating;
4458 gameInfo.blackRating = player1Rating;
4460 player1Name[0] = player2Name[0] = NULLCHAR;
4462 /* Silence shouts if requested */
4463 if (appData.quietPlay &&
4464 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4465 SendToICS(ics_prefix);
4466 SendToICS("set shout 0\n");
4470 /* Deal with midgame name changes */
4472 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4473 if (gameInfo.white) free(gameInfo.white);
4474 gameInfo.white = StrSave(white);
4476 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4477 if (gameInfo.black) free(gameInfo.black);
4478 gameInfo.black = StrSave(black);
4482 /* Throw away game result if anything actually changes in examine mode */
4483 if (gameMode == IcsExamining && !newGame) {
4484 gameInfo.result = GameUnfinished;
4485 if (gameInfo.resultDetails != NULL) {
4486 free(gameInfo.resultDetails);
4487 gameInfo.resultDetails = NULL;
4491 /* In pausing && IcsExamining mode, we ignore boards coming
4492 in if they are in a different variation than we are. */
4493 if (pauseExamInvalid) return;
4494 if (pausing && gameMode == IcsExamining) {
4495 if (moveNum <= pauseExamForwardMostMove) {
4496 pauseExamInvalid = TRUE;
4497 forwardMostMove = pauseExamForwardMostMove;
4502 if (appData.debugMode) {
4503 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4505 /* Parse the board */
4506 for (k = 0; k < ranks; k++) {
4507 for (j = 0; j < files; j++)
4508 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4509 if(gameInfo.holdingsWidth > 1) {
4510 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4511 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4514 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4515 board[5][BOARD_RGHT+1] = WhiteAngel;
4516 board[6][BOARD_RGHT+1] = WhiteMarshall;
4517 board[1][0] = BlackMarshall;
4518 board[2][0] = BlackAngel;
4519 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4521 CopyBoard(boards[moveNum], board);
4522 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4524 startedFromSetupPosition =
4525 !CompareBoards(board, initialPosition);
4526 if(startedFromSetupPosition)
4527 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4530 /* [HGM] Set castling rights. Take the outermost Rooks,
4531 to make it also work for FRC opening positions. Note that board12
4532 is really defective for later FRC positions, as it has no way to
4533 indicate which Rook can castle if they are on the same side of King.
4534 For the initial position we grant rights to the outermost Rooks,
4535 and remember thos rights, and we then copy them on positions
4536 later in an FRC game. This means WB might not recognize castlings with
4537 Rooks that have moved back to their original position as illegal,
4538 but in ICS mode that is not its job anyway.
4540 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4541 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4543 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4544 if(board[0][i] == WhiteRook) j = i;
4545 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4546 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4547 if(board[0][i] == WhiteRook) j = i;
4548 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4549 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4550 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4551 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4552 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4553 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4554 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4556 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4557 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4558 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4559 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4560 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4561 if(board[BOARD_HEIGHT-1][k] == bKing)
4562 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4563 if(gameInfo.variant == VariantTwoKings) {
4564 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4565 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4566 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4569 r = boards[moveNum][CASTLING][0] = initialRights[0];
4570 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4571 r = boards[moveNum][CASTLING][1] = initialRights[1];
4572 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4573 r = boards[moveNum][CASTLING][3] = initialRights[3];
4574 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4575 r = boards[moveNum][CASTLING][4] = initialRights[4];
4576 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4577 /* wildcastle kludge: always assume King has rights */
4578 r = boards[moveNum][CASTLING][2] = initialRights[2];
4579 r = boards[moveNum][CASTLING][5] = initialRights[5];
4581 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4582 boards[moveNum][EP_STATUS] = EP_NONE;
4583 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4584 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4585 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4588 if (ics_getting_history == H_GOT_REQ_HEADER ||
4589 ics_getting_history == H_GOT_UNREQ_HEADER) {
4590 /* This was an initial position from a move list, not
4591 the current position */
4595 /* Update currentMove and known move number limits */
4596 newMove = newGame || moveNum > forwardMostMove;
4599 forwardMostMove = backwardMostMove = currentMove = moveNum;
4600 if (gameMode == IcsExamining && moveNum == 0) {
4601 /* Workaround for ICS limitation: we are not told the wild
4602 type when starting to examine a game. But if we ask for
4603 the move list, the move list header will tell us */
4604 ics_getting_history = H_REQUESTED;
4605 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4608 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4609 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4611 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4612 /* [HGM] applied this also to an engine that is silently watching */
4613 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4614 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4615 gameInfo.variant == currentlyInitializedVariant) {
4616 takeback = forwardMostMove - moveNum;
4617 for (i = 0; i < takeback; i++) {
4618 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4619 SendToProgram("undo\n", &first);
4624 forwardMostMove = moveNum;
4625 if (!pausing || currentMove > forwardMostMove)
4626 currentMove = forwardMostMove;
4628 /* New part of history that is not contiguous with old part */
4629 if (pausing && gameMode == IcsExamining) {
4630 pauseExamInvalid = TRUE;
4631 forwardMostMove = pauseExamForwardMostMove;
4634 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4636 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4637 // [HGM] when we will receive the move list we now request, it will be
4638 // fed to the engine from the first move on. So if the engine is not
4639 // in the initial position now, bring it there.
4640 InitChessProgram(&first, 0);
4643 ics_getting_history = H_REQUESTED;
4644 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4647 forwardMostMove = backwardMostMove = currentMove = moveNum;
4650 /* Update the clocks */
4651 if (strchr(elapsed_time, '.')) {
4653 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4654 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4656 /* Time is in seconds */
4657 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4658 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4663 if (appData.zippyPlay && newGame &&
4664 gameMode != IcsObserving && gameMode != IcsIdle &&
4665 gameMode != IcsExamining)
4666 ZippyFirstBoard(moveNum, basetime, increment);
4669 /* Put the move on the move list, first converting
4670 to canonical algebraic form. */
4672 if (appData.debugMode) {
4673 if (appData.debugMode) { int f = forwardMostMove;
4674 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4675 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4676 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4678 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4679 fprintf(debugFP, "moveNum = %d\n", moveNum);
4680 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4681 setbuf(debugFP, NULL);
4683 if (moveNum <= backwardMostMove) {
4684 /* We don't know what the board looked like before
4686 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4687 strcat(parseList[moveNum - 1], " ");
4688 strcat(parseList[moveNum - 1], elapsed_time);
4689 moveList[moveNum - 1][0] = NULLCHAR;
4690 } else if (strcmp(move_str, "none") == 0) {
4691 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4692 /* Again, we don't know what the board looked like;
4693 this is really the start of the game. */
4694 parseList[moveNum - 1][0] = NULLCHAR;
4695 moveList[moveNum - 1][0] = NULLCHAR;
4696 backwardMostMove = moveNum;
4697 startedFromSetupPosition = TRUE;
4698 fromX = fromY = toX = toY = -1;
4700 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4701 // So we parse the long-algebraic move string in stead of the SAN move
4702 int valid; char buf[MSG_SIZ], *prom;
4704 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4705 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4706 // str looks something like "Q/a1-a2"; kill the slash
4708 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4709 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4710 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4711 strcat(buf, prom); // long move lacks promo specification!
4712 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4713 if(appData.debugMode)
4714 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4715 safeStrCpy(move_str, buf, MSG_SIZ);
4717 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4718 &fromX, &fromY, &toX, &toY, &promoChar)
4719 || ParseOneMove(buf, moveNum - 1, &moveType,
4720 &fromX, &fromY, &toX, &toY, &promoChar);
4721 // end of long SAN patch
4723 (void) CoordsToAlgebraic(boards[moveNum - 1],
4724 PosFlags(moveNum - 1),
4725 fromY, fromX, toY, toX, promoChar,
4726 parseList[moveNum-1]);
4727 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4733 if(gameInfo.variant != VariantShogi)
4734 strcat(parseList[moveNum - 1], "+");
4737 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4738 strcat(parseList[moveNum - 1], "#");
4741 strcat(parseList[moveNum - 1], " ");
4742 strcat(parseList[moveNum - 1], elapsed_time);
4743 /* currentMoveString is set as a side-effect of ParseOneMove */
4744 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4745 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4746 strcat(moveList[moveNum - 1], "\n");
4748 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4749 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4750 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4751 ChessSquare old, new = boards[moveNum][k][j];
4752 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4753 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4754 if(old == new) continue;
4755 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4756 else if(new == WhiteWazir || new == BlackWazir) {
4757 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4758 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4759 else boards[moveNum][k][j] = old; // preserve type of Gold
4760 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4761 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4764 /* Move from ICS was illegal!? Punt. */
4765 if (appData.debugMode) {
4766 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4767 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4769 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4770 strcat(parseList[moveNum - 1], " ");
4771 strcat(parseList[moveNum - 1], elapsed_time);
4772 moveList[moveNum - 1][0] = NULLCHAR;
4773 fromX = fromY = toX = toY = -1;
4776 if (appData.debugMode) {
4777 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4778 setbuf(debugFP, NULL);
4782 /* Send move to chess program (BEFORE animating it). */
4783 if (appData.zippyPlay && !newGame && newMove &&
4784 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4786 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4787 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4788 if (moveList[moveNum - 1][0] == NULLCHAR) {
4789 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4791 DisplayError(str, 0);
4793 if (first.sendTime) {
4794 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4796 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4797 if (firstMove && !bookHit) {
4799 if (first.useColors) {
4800 SendToProgram(gameMode == IcsPlayingWhite ?
4802 "black\ngo\n", &first);
4804 SendToProgram("go\n", &first);
4806 first.maybeThinking = TRUE;
4809 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4810 if (moveList[moveNum - 1][0] == NULLCHAR) {
4811 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4812 DisplayError(str, 0);
4814 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4815 SendMoveToProgram(moveNum - 1, &first);
4822 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4823 /* If move comes from a remote source, animate it. If it
4824 isn't remote, it will have already been animated. */
4825 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4826 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4828 if (!pausing && appData.highlightLastMove) {
4829 SetHighlights(fromX, fromY, toX, toY);
4833 /* Start the clocks */
4834 whiteFlag = blackFlag = FALSE;
4835 appData.clockMode = !(basetime == 0 && increment == 0);
4837 ics_clock_paused = TRUE;
4839 } else if (ticking == 1) {
4840 ics_clock_paused = FALSE;
4842 if (gameMode == IcsIdle ||
4843 relation == RELATION_OBSERVING_STATIC ||
4844 relation == RELATION_EXAMINING ||
4846 DisplayBothClocks();
4850 /* Display opponents and material strengths */
4851 if (gameInfo.variant != VariantBughouse &&
4852 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4853 if (tinyLayout || smallLayout) {
4854 if(gameInfo.variant == VariantNormal)
4855 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4856 gameInfo.white, white_stren, gameInfo.black, black_stren,
4857 basetime, increment);
4859 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4860 gameInfo.white, white_stren, gameInfo.black, black_stren,
4861 basetime, increment, (int) gameInfo.variant);
4863 if(gameInfo.variant == VariantNormal)
4864 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4865 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4866 basetime, increment);
4868 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4869 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4870 basetime, increment, VariantName(gameInfo.variant));
4873 if (appData.debugMode) {
4874 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4879 /* Display the board */
4880 if (!pausing && !appData.noGUI) {
4882 if (appData.premove)
4884 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4885 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4886 ClearPremoveHighlights();
4888 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4889 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4890 DrawPosition(j, boards[currentMove]);
4892 DisplayMove(moveNum - 1);
4893 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4894 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4895 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4896 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4900 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4902 if(bookHit) { // [HGM] book: simulate book reply
4903 static char bookMove[MSG_SIZ]; // a bit generous?
4905 programStats.nodes = programStats.depth = programStats.time =
4906 programStats.score = programStats.got_only_move = 0;
4907 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4909 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4910 strcat(bookMove, bookHit);
4911 HandleMachineMove(bookMove, &first);
4920 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4921 ics_getting_history = H_REQUESTED;
4922 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4928 SendToBoth (char *msg)
4929 { // to make it easy to keep two engines in step in dual analysis
4930 SendToProgram(msg, &first);
4931 if(second.analyzing) SendToProgram(msg, &second);
4935 AnalysisPeriodicEvent (int force)
4937 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4938 && !force) || !appData.periodicUpdates)
4941 /* Send . command to Crafty to collect stats */
4944 /* Don't send another until we get a response (this makes
4945 us stop sending to old Crafty's which don't understand
4946 the "." command (sending illegal cmds resets node count & time,
4947 which looks bad)) */
4948 programStats.ok_to_send = 0;
4952 ics_update_width (int new_width)
4954 ics_printf("set width %d\n", new_width);
4958 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4962 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4963 // null move in variant where engine does not understand it (for analysis purposes)
4964 SendBoard(cps, moveNum + 1); // send position after move in stead.
4967 if (cps->useUsermove) {
4968 SendToProgram("usermove ", cps);
4972 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4973 int len = space - parseList[moveNum];
4974 memcpy(buf, parseList[moveNum], len);
4976 buf[len] = NULLCHAR;
4978 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4980 SendToProgram(buf, cps);
4982 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4983 AlphaRank(moveList[moveNum], 4);
4984 SendToProgram(moveList[moveNum], cps);
4985 AlphaRank(moveList[moveNum], 4); // and back
4987 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4988 * the engine. It would be nice to have a better way to identify castle
4990 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4991 && cps->useOOCastle) {
4992 int fromX = moveList[moveNum][0] - AAA;
4993 int fromY = moveList[moveNum][1] - ONE;
4994 int toX = moveList[moveNum][2] - AAA;
4995 int toY = moveList[moveNum][3] - ONE;
4996 if((boards[moveNum][fromY][fromX] == WhiteKing
4997 && boards[moveNum][toY][toX] == WhiteRook)
4998 || (boards[moveNum][fromY][fromX] == BlackKing
4999 && boards[moveNum][toY][toX] == BlackRook)) {
5000 if(toX > fromX) SendToProgram("O-O\n", cps);
5001 else SendToProgram("O-O-O\n", cps);
5003 else SendToProgram(moveList[moveNum], cps);
5005 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5006 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5007 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5008 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5009 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5011 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5012 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5013 SendToProgram(buf, cps);
5015 else SendToProgram(moveList[moveNum], cps);
5016 /* End of additions by Tord */
5019 /* [HGM] setting up the opening has brought engine in force mode! */
5020 /* Send 'go' if we are in a mode where machine should play. */
5021 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5022 (gameMode == TwoMachinesPlay ||
5024 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5026 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5027 SendToProgram("go\n", cps);
5028 if (appData.debugMode) {
5029 fprintf(debugFP, "(extra)\n");
5032 setboardSpoiledMachineBlack = 0;
5036 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5038 char user_move[MSG_SIZ];
5041 if(gameInfo.variant == VariantSChess && promoChar) {
5042 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5043 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5044 } else suffix[0] = NULLCHAR;
5048 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5049 (int)moveType, fromX, fromY, toX, toY);
5050 DisplayError(user_move + strlen("say "), 0);
5052 case WhiteKingSideCastle:
5053 case BlackKingSideCastle:
5054 case WhiteQueenSideCastleWild:
5055 case BlackQueenSideCastleWild:
5057 case WhiteHSideCastleFR:
5058 case BlackHSideCastleFR:
5060 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5062 case WhiteQueenSideCastle:
5063 case BlackQueenSideCastle:
5064 case WhiteKingSideCastleWild:
5065 case BlackKingSideCastleWild:
5067 case WhiteASideCastleFR:
5068 case BlackASideCastleFR:
5070 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5072 case WhiteNonPromotion:
5073 case BlackNonPromotion:
5074 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5076 case WhitePromotion:
5077 case BlackPromotion:
5078 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5079 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5080 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5081 PieceToChar(WhiteFerz));
5082 else if(gameInfo.variant == VariantGreat)
5083 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5084 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5085 PieceToChar(WhiteMan));
5087 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5088 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5094 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5095 ToUpper(PieceToChar((ChessSquare) fromX)),
5096 AAA + toX, ONE + toY);
5098 case IllegalMove: /* could be a variant we don't quite understand */
5099 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5101 case WhiteCapturesEnPassant:
5102 case BlackCapturesEnPassant:
5103 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5104 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5107 SendToICS(user_move);
5108 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5109 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5114 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5115 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5116 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5117 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5118 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5121 if(gameMode != IcsExamining) { // is this ever not the case?
5122 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5124 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5125 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5126 } else { // on FICS we must first go to general examine mode
5127 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5129 if(gameInfo.variant != VariantNormal) {
5130 // try figure out wild number, as xboard names are not always valid on ICS
5131 for(i=1; i<=36; i++) {
5132 snprintf(buf, MSG_SIZ, "wild/%d", i);
5133 if(StringToVariant(buf) == gameInfo.variant) break;
5135 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5136 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5137 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5138 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5139 SendToICS(ics_prefix);
5141 if(startedFromSetupPosition || backwardMostMove != 0) {
5142 fen = PositionToFEN(backwardMostMove, NULL);
5143 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5144 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5146 } else { // FICS: everything has to set by separate bsetup commands
5147 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5148 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5150 if(!WhiteOnMove(backwardMostMove)) {
5151 SendToICS("bsetup tomove black\n");
5153 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5154 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5156 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5157 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5159 i = boards[backwardMostMove][EP_STATUS];
5160 if(i >= 0) { // set e.p.
5161 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5167 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5168 SendToICS("bsetup done\n"); // switch to normal examining.
5170 for(i = backwardMostMove; i<last; i++) {
5172 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5173 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5174 int len = strlen(moveList[i]);
5175 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5176 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5180 SendToICS(ics_prefix);
5181 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5185 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5187 if (rf == DROP_RANK) {
5188 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5189 sprintf(move, "%c@%c%c\n",
5190 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5192 if (promoChar == 'x' || promoChar == NULLCHAR) {
5193 sprintf(move, "%c%c%c%c\n",
5194 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5196 sprintf(move, "%c%c%c%c%c\n",
5197 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5203 ProcessICSInitScript (FILE *f)
5207 while (fgets(buf, MSG_SIZ, f)) {
5208 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5215 static int lastX, lastY, selectFlag, dragging;
5220 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5221 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5222 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5223 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5224 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5225 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5228 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5229 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5230 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5231 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5232 if(!step) step = -1;
5233 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5234 appData.testLegality && (promoSweep == king ||
5235 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5237 int victim = boards[currentMove][toY][toX];
5238 boards[currentMove][toY][toX] = promoSweep;
5239 DrawPosition(FALSE, boards[currentMove]);
5240 boards[currentMove][toY][toX] = victim;
5242 ChangeDragPiece(promoSweep);
5246 PromoScroll (int x, int y)
5250 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5251 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5252 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5253 if(!step) return FALSE;
5254 lastX = x; lastY = y;
5255 if((promoSweep < BlackPawn) == flipView) step = -step;
5256 if(step > 0) selectFlag = 1;
5257 if(!selectFlag) Sweep(step);
5262 NextPiece (int step)
5264 ChessSquare piece = boards[currentMove][toY][toX];
5267 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5268 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5269 if(!step) step = -1;
5270 } while(PieceToChar(pieceSweep) == '.');
5271 boards[currentMove][toY][toX] = pieceSweep;
5272 DrawPosition(FALSE, boards[currentMove]);
5273 boards[currentMove][toY][toX] = piece;
5275 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5277 AlphaRank (char *move, int n)
5279 // char *p = move, c; int x, y;
5281 if (appData.debugMode) {
5282 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5286 move[2]>='0' && move[2]<='9' &&
5287 move[3]>='a' && move[3]<='x' ) {
5289 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5290 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5292 if(move[0]>='0' && move[0]<='9' &&
5293 move[1]>='a' && move[1]<='x' &&
5294 move[2]>='0' && move[2]<='9' &&
5295 move[3]>='a' && move[3]<='x' ) {
5296 /* input move, Shogi -> normal */
5297 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5298 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5299 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5300 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5303 move[3]>='0' && move[3]<='9' &&
5304 move[2]>='a' && move[2]<='x' ) {
5306 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5307 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5310 move[0]>='a' && move[0]<='x' &&
5311 move[3]>='0' && move[3]<='9' &&
5312 move[2]>='a' && move[2]<='x' ) {
5313 /* output move, normal -> Shogi */
5314 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5315 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5316 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5317 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5318 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5320 if (appData.debugMode) {
5321 fprintf(debugFP, " out = '%s'\n", move);
5325 char yy_textstr[8000];
5327 /* Parser for moves from gnuchess, ICS, or user typein box */
5329 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5331 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5333 switch (*moveType) {
5334 case WhitePromotion:
5335 case BlackPromotion:
5336 case WhiteNonPromotion:
5337 case BlackNonPromotion:
5339 case WhiteCapturesEnPassant:
5340 case BlackCapturesEnPassant:
5341 case WhiteKingSideCastle:
5342 case WhiteQueenSideCastle:
5343 case BlackKingSideCastle:
5344 case BlackQueenSideCastle:
5345 case WhiteKingSideCastleWild:
5346 case WhiteQueenSideCastleWild:
5347 case BlackKingSideCastleWild:
5348 case BlackQueenSideCastleWild:
5349 /* Code added by Tord: */
5350 case WhiteHSideCastleFR:
5351 case WhiteASideCastleFR:
5352 case BlackHSideCastleFR:
5353 case BlackASideCastleFR:
5354 /* End of code added by Tord */
5355 case IllegalMove: /* bug or odd chess variant */
5356 *fromX = currentMoveString[0] - AAA;
5357 *fromY = currentMoveString[1] - ONE;
5358 *toX = currentMoveString[2] - AAA;
5359 *toY = currentMoveString[3] - ONE;
5360 *promoChar = currentMoveString[4];
5361 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5362 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5363 if (appData.debugMode) {
5364 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5366 *fromX = *fromY = *toX = *toY = 0;
5369 if (appData.testLegality) {
5370 return (*moveType != IllegalMove);
5372 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5373 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5378 *fromX = *moveType == WhiteDrop ?
5379 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5380 (int) CharToPiece(ToLower(currentMoveString[0]));
5382 *toX = currentMoveString[2] - AAA;
5383 *toY = currentMoveString[3] - ONE;
5384 *promoChar = NULLCHAR;
5388 case ImpossibleMove:
5398 if (appData.debugMode) {
5399 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5402 *fromX = *fromY = *toX = *toY = 0;
5403 *promoChar = NULLCHAR;
5408 Boolean pushed = FALSE;
5409 char *lastParseAttempt;
5412 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5413 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5414 int fromX, fromY, toX, toY; char promoChar;
5419 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5420 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5421 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5424 endPV = forwardMostMove;
5426 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5427 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5428 lastParseAttempt = pv;
5429 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5430 if(!valid && nr == 0 &&
5431 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5432 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5433 // Hande case where played move is different from leading PV move
5434 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5435 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5436 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5437 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5438 endPV += 2; // if position different, keep this
5439 moveList[endPV-1][0] = fromX + AAA;
5440 moveList[endPV-1][1] = fromY + ONE;
5441 moveList[endPV-1][2] = toX + AAA;
5442 moveList[endPV-1][3] = toY + ONE;
5443 parseList[endPV-1][0] = NULLCHAR;
5444 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5447 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5448 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5449 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5450 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5451 valid++; // allow comments in PV
5455 if(endPV+1 > framePtr) break; // no space, truncate
5458 CopyBoard(boards[endPV], boards[endPV-1]);
5459 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5460 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5461 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5462 CoordsToAlgebraic(boards[endPV - 1],
5463 PosFlags(endPV - 1),
5464 fromY, fromX, toY, toX, promoChar,
5465 parseList[endPV - 1]);
5467 if(atEnd == 2) return; // used hidden, for PV conversion
5468 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5469 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5470 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5471 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5472 DrawPosition(TRUE, boards[currentMove]);
5476 MultiPV (ChessProgramState *cps)
5477 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5479 for(i=0; i<cps->nrOptions; i++)
5480 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5486 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5488 int startPV, multi, lineStart, origIndex = index;
5489 char *p, buf2[MSG_SIZ];
5490 ChessProgramState *cps = (pane ? &second : &first);
5492 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5493 lastX = x; lastY = y;
5494 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5495 lineStart = startPV = index;
5496 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5497 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5499 do{ while(buf[index] && buf[index] != '\n') index++;
5500 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5502 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5503 int n = cps->option[multi].value;
5504 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5505 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5506 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5507 cps->option[multi].value = n;
5510 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5511 ExcludeClick(origIndex - lineStart);
5514 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5515 *start = startPV; *end = index-1;
5522 static char buf[10*MSG_SIZ];
5523 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5525 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5526 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5527 for(i = forwardMostMove; i<endPV; i++){
5528 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5529 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5532 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5533 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5534 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5540 LoadPV (int x, int y)
5541 { // called on right mouse click to load PV
5542 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5543 lastX = x; lastY = y;
5544 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5551 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5552 if(endPV < 0) return;
5553 if(appData.autoCopyPV) CopyFENToClipboard();
5555 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5556 Boolean saveAnimate = appData.animate;
5558 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5559 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5560 } else storedGames--; // abandon shelved tail of original game
5563 forwardMostMove = currentMove;
5564 currentMove = oldFMM;
5565 appData.animate = FALSE;
5566 ToNrEvent(forwardMostMove);
5567 appData.animate = saveAnimate;
5569 currentMove = forwardMostMove;
5570 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5571 ClearPremoveHighlights();
5572 DrawPosition(TRUE, boards[currentMove]);
5576 MovePV (int x, int y, int h)
5577 { // step through PV based on mouse coordinates (called on mouse move)
5578 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5580 // we must somehow check if right button is still down (might be released off board!)
5581 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5582 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5583 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5585 lastX = x; lastY = y;
5587 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5588 if(endPV < 0) return;
5589 if(y < margin) step = 1; else
5590 if(y > h - margin) step = -1;
5591 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5592 currentMove += step;
5593 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5594 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5595 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5596 DrawPosition(FALSE, boards[currentMove]);
5600 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5601 // All positions will have equal probability, but the current method will not provide a unique
5602 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5608 int piecesLeft[(int)BlackPawn];
5609 int seed, nrOfShuffles;
5612 GetPositionNumber ()
5613 { // sets global variable seed
5616 seed = appData.defaultFrcPosition;
5617 if(seed < 0) { // randomize based on time for negative FRC position numbers
5618 for(i=0; i<50; i++) seed += random();
5619 seed = random() ^ random() >> 8 ^ random() << 8;
5620 if(seed<0) seed = -seed;
5625 put (Board board, int pieceType, int rank, int n, int shade)
5626 // put the piece on the (n-1)-th empty squares of the given shade
5630 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5631 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5632 board[rank][i] = (ChessSquare) pieceType;
5633 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5635 piecesLeft[pieceType]--;
5644 AddOnePiece (Board board, int pieceType, int rank, int shade)
5645 // calculate where the next piece goes, (any empty square), and put it there
5649 i = seed % squaresLeft[shade];
5650 nrOfShuffles *= squaresLeft[shade];
5651 seed /= squaresLeft[shade];
5652 put(board, pieceType, rank, i, shade);
5656 AddTwoPieces (Board board, int pieceType, int rank)
5657 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5659 int i, n=squaresLeft[ANY], j=n-1, k;
5661 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5662 i = seed % k; // pick one
5665 while(i >= j) i -= j--;
5666 j = n - 1 - j; i += j;
5667 put(board, pieceType, rank, j, ANY);
5668 put(board, pieceType, rank, i, ANY);
5672 SetUpShuffle (Board board, int number)
5676 GetPositionNumber(); nrOfShuffles = 1;
5678 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5679 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5680 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5682 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5685 p = (int) board[0][i];
5686 if(p < (int) BlackPawn) piecesLeft[p] ++;
5687 board[0][i] = EmptySquare;
5690 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5691 // shuffles restricted to allow normal castling put KRR first
5692 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5693 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5694 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5695 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5696 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5697 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5698 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5699 put(board, WhiteRook, 0, 0, ANY);
5700 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5703 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5704 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5705 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5706 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5707 while(piecesLeft[p] >= 2) {
5708 AddOnePiece(board, p, 0, LITE);
5709 AddOnePiece(board, p, 0, DARK);
5711 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5714 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5715 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5716 // but we leave King and Rooks for last, to possibly obey FRC restriction
5717 if(p == (int)WhiteRook) continue;
5718 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5719 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5722 // now everything is placed, except perhaps King (Unicorn) and Rooks
5724 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5725 // Last King gets castling rights
5726 while(piecesLeft[(int)WhiteUnicorn]) {
5727 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5728 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5731 while(piecesLeft[(int)WhiteKing]) {
5732 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5733 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5738 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5739 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5742 // Only Rooks can be left; simply place them all
5743 while(piecesLeft[(int)WhiteRook]) {
5744 i = put(board, WhiteRook, 0, 0, ANY);
5745 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5748 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5750 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5753 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5754 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5757 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5761 SetCharTable (char *table, const char * map)
5762 /* [HGM] moved here from winboard.c because of its general usefulness */
5763 /* Basically a safe strcpy that uses the last character as King */
5765 int result = FALSE; int NrPieces;
5767 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5768 && NrPieces >= 12 && !(NrPieces&1)) {
5769 int i; /* [HGM] Accept even length from 12 to 34 */
5771 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5772 for( i=0; i<NrPieces/2-1; i++ ) {
5774 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5776 table[(int) WhiteKing] = map[NrPieces/2-1];
5777 table[(int) BlackKing] = map[NrPieces-1];
5786 Prelude (Board board)
5787 { // [HGM] superchess: random selection of exo-pieces
5788 int i, j, k; ChessSquare p;
5789 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5791 GetPositionNumber(); // use FRC position number
5793 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5794 SetCharTable(pieceToChar, appData.pieceToCharTable);
5795 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5796 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5799 j = seed%4; seed /= 4;
5800 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5801 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5802 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5803 j = seed%3 + (seed%3 >= j); seed /= 3;
5804 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5805 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5806 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5807 j = seed%3; seed /= 3;
5808 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5809 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5810 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5811 j = seed%2 + (seed%2 >= j); seed /= 2;
5812 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5813 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5814 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5815 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5816 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5817 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5818 put(board, exoPieces[0], 0, 0, ANY);
5819 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5823 InitPosition (int redraw)
5825 ChessSquare (* pieces)[BOARD_FILES];
5826 int i, j, pawnRow, overrule,
5827 oldx = gameInfo.boardWidth,
5828 oldy = gameInfo.boardHeight,
5829 oldh = gameInfo.holdingsWidth;
5832 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5834 /* [AS] Initialize pv info list [HGM] and game status */
5836 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5837 pvInfoList[i].depth = 0;
5838 boards[i][EP_STATUS] = EP_NONE;
5839 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5842 initialRulePlies = 0; /* 50-move counter start */
5844 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5845 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5849 /* [HGM] logic here is completely changed. In stead of full positions */
5850 /* the initialized data only consist of the two backranks. The switch */
5851 /* selects which one we will use, which is than copied to the Board */
5852 /* initialPosition, which for the rest is initialized by Pawns and */
5853 /* empty squares. This initial position is then copied to boards[0], */
5854 /* possibly after shuffling, so that it remains available. */
5856 gameInfo.holdingsWidth = 0; /* default board sizes */
5857 gameInfo.boardWidth = 8;
5858 gameInfo.boardHeight = 8;
5859 gameInfo.holdingsSize = 0;
5860 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5861 for(i=0; i<BOARD_FILES-2; i++)
5862 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5863 initialPosition[EP_STATUS] = EP_NONE;
5864 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5865 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5866 SetCharTable(pieceNickName, appData.pieceNickNames);
5867 else SetCharTable(pieceNickName, "............");
5870 switch (gameInfo.variant) {
5871 case VariantFischeRandom:
5872 shuffleOpenings = TRUE;
5875 case VariantShatranj:
5876 pieces = ShatranjArray;
5877 nrCastlingRights = 0;
5878 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5881 pieces = makrukArray;
5882 nrCastlingRights = 0;
5883 startedFromSetupPosition = TRUE;
5884 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5886 case VariantTwoKings:
5887 pieces = twoKingsArray;
5890 pieces = GrandArray;
5891 nrCastlingRights = 0;
5892 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5893 gameInfo.boardWidth = 10;
5894 gameInfo.boardHeight = 10;
5895 gameInfo.holdingsSize = 7;
5897 case VariantCapaRandom:
5898 shuffleOpenings = TRUE;
5899 case VariantCapablanca:
5900 pieces = CapablancaArray;
5901 gameInfo.boardWidth = 10;
5902 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5905 pieces = GothicArray;
5906 gameInfo.boardWidth = 10;
5907 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5910 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5911 gameInfo.holdingsSize = 7;
5912 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5915 pieces = JanusArray;
5916 gameInfo.boardWidth = 10;
5917 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5918 nrCastlingRights = 6;
5919 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5920 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5921 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5922 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5923 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5924 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5927 pieces = FalconArray;
5928 gameInfo.boardWidth = 10;
5929 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5931 case VariantXiangqi:
5932 pieces = XiangqiArray;
5933 gameInfo.boardWidth = 9;
5934 gameInfo.boardHeight = 10;
5935 nrCastlingRights = 0;
5936 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5939 pieces = ShogiArray;
5940 gameInfo.boardWidth = 9;
5941 gameInfo.boardHeight = 9;
5942 gameInfo.holdingsSize = 7;
5943 nrCastlingRights = 0;
5944 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5946 case VariantCourier:
5947 pieces = CourierArray;
5948 gameInfo.boardWidth = 12;
5949 nrCastlingRights = 0;
5950 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5952 case VariantKnightmate:
5953 pieces = KnightmateArray;
5954 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5956 case VariantSpartan:
5957 pieces = SpartanArray;
5958 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5961 pieces = fairyArray;
5962 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5965 pieces = GreatArray;
5966 gameInfo.boardWidth = 10;
5967 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5968 gameInfo.holdingsSize = 8;
5972 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5973 gameInfo.holdingsSize = 8;
5974 startedFromSetupPosition = TRUE;
5976 case VariantCrazyhouse:
5977 case VariantBughouse:
5979 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5980 gameInfo.holdingsSize = 5;
5982 case VariantWildCastle:
5984 /* !!?shuffle with kings guaranteed to be on d or e file */
5985 shuffleOpenings = 1;
5987 case VariantNoCastle:
5989 nrCastlingRights = 0;
5990 /* !!?unconstrained back-rank shuffle */
5991 shuffleOpenings = 1;
5996 if(appData.NrFiles >= 0) {
5997 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5998 gameInfo.boardWidth = appData.NrFiles;
6000 if(appData.NrRanks >= 0) {
6001 gameInfo.boardHeight = appData.NrRanks;
6003 if(appData.holdingsSize >= 0) {
6004 i = appData.holdingsSize;
6005 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6006 gameInfo.holdingsSize = i;
6008 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6009 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6010 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6012 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6013 if(pawnRow < 1) pawnRow = 1;
6014 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6016 /* User pieceToChar list overrules defaults */
6017 if(appData.pieceToCharTable != NULL)
6018 SetCharTable(pieceToChar, appData.pieceToCharTable);
6020 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6022 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6023 s = (ChessSquare) 0; /* account holding counts in guard band */
6024 for( i=0; i<BOARD_HEIGHT; i++ )
6025 initialPosition[i][j] = s;
6027 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6028 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6029 initialPosition[pawnRow][j] = WhitePawn;
6030 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6031 if(gameInfo.variant == VariantXiangqi) {
6033 initialPosition[pawnRow][j] =
6034 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6035 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6036 initialPosition[2][j] = WhiteCannon;
6037 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6041 if(gameInfo.variant == VariantGrand) {
6042 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6043 initialPosition[0][j] = WhiteRook;
6044 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6047 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6049 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6052 initialPosition[1][j] = WhiteBishop;
6053 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6055 initialPosition[1][j] = WhiteRook;
6056 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6059 if( nrCastlingRights == -1) {
6060 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6061 /* This sets default castling rights from none to normal corners */
6062 /* Variants with other castling rights must set them themselves above */
6063 nrCastlingRights = 6;
6065 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6066 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6067 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6068 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6069 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6070 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6073 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6074 if(gameInfo.variant == VariantGreat) { // promotion commoners
6075 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6076 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6077 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6078 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6080 if( gameInfo.variant == VariantSChess ) {
6081 initialPosition[1][0] = BlackMarshall;
6082 initialPosition[2][0] = BlackAngel;
6083 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6084 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6085 initialPosition[1][1] = initialPosition[2][1] =
6086 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6088 if (appData.debugMode) {
6089 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6091 if(shuffleOpenings) {
6092 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6093 startedFromSetupPosition = TRUE;
6095 if(startedFromPositionFile) {
6096 /* [HGM] loadPos: use PositionFile for every new game */
6097 CopyBoard(initialPosition, filePosition);
6098 for(i=0; i<nrCastlingRights; i++)
6099 initialRights[i] = filePosition[CASTLING][i];
6100 startedFromSetupPosition = TRUE;
6103 CopyBoard(boards[0], initialPosition);
6105 if(oldx != gameInfo.boardWidth ||
6106 oldy != gameInfo.boardHeight ||
6107 oldv != gameInfo.variant ||
6108 oldh != gameInfo.holdingsWidth
6110 InitDrawingSizes(-2 ,0);
6112 oldv = gameInfo.variant;
6114 DrawPosition(TRUE, boards[currentMove]);
6118 SendBoard (ChessProgramState *cps, int moveNum)
6120 char message[MSG_SIZ];
6122 if (cps->useSetboard) {
6123 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6124 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6125 SendToProgram(message, cps);
6130 int i, j, left=0, right=BOARD_WIDTH;
6131 /* Kludge to set black to move, avoiding the troublesome and now
6132 * deprecated "black" command.
6134 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6135 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6137 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6139 SendToProgram("edit\n", cps);
6140 SendToProgram("#\n", cps);
6141 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6142 bp = &boards[moveNum][i][left];
6143 for (j = left; j < right; j++, bp++) {
6144 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6145 if ((int) *bp < (int) BlackPawn) {
6146 if(j == BOARD_RGHT+1)
6147 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6148 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6149 if(message[0] == '+' || message[0] == '~') {
6150 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6151 PieceToChar((ChessSquare)(DEMOTED *bp)),
6154 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6155 message[1] = BOARD_RGHT - 1 - j + '1';
6156 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6158 SendToProgram(message, cps);
6163 SendToProgram("c\n", cps);
6164 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6165 bp = &boards[moveNum][i][left];
6166 for (j = left; j < right; j++, bp++) {
6167 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6168 if (((int) *bp != (int) EmptySquare)
6169 && ((int) *bp >= (int) BlackPawn)) {
6170 if(j == BOARD_LEFT-2)
6171 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6172 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6174 if(message[0] == '+' || message[0] == '~') {
6175 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6176 PieceToChar((ChessSquare)(DEMOTED *bp)),
6179 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6180 message[1] = BOARD_RGHT - 1 - j + '1';
6181 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6183 SendToProgram(message, cps);
6188 SendToProgram(".\n", cps);
6190 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6193 char exclusionHeader[MSG_SIZ];
6194 int exCnt, excludePtr;
6195 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6196 static Exclusion excluTab[200];
6197 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6203 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6204 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6210 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6211 excludePtr = 24; exCnt = 0;
6216 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6217 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6218 char buf[2*MOVE_LEN], *p;
6219 Exclusion *e = excluTab;
6221 for(i=0; i<exCnt; i++)
6222 if(e[i].ff == fromX && e[i].fr == fromY &&
6223 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6224 if(i == exCnt) { // was not in exclude list; add it
6225 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6226 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6227 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6230 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6231 excludePtr++; e[i].mark = excludePtr++;
6232 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6235 exclusionHeader[e[i].mark] = state;
6239 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6240 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6244 if((signed char)promoChar == -1) { // kludge to indicate best move
6245 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6246 return 1; // if unparsable, abort
6248 // update exclusion map (resolving toggle by consulting existing state)
6249 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6251 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6252 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6253 excludeMap[k] |= 1<<j;
6254 else excludeMap[k] &= ~(1<<j);
6256 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6258 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6259 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6261 return (state == '+');
6265 ExcludeClick (int index)
6268 Exclusion *e = excluTab;
6269 if(index < 25) { // none, best or tail clicked
6270 if(index < 13) { // none: include all
6271 WriteMap(0); // clear map
6272 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6273 SendToBoth("include all\n"); // and inform engine
6274 } else if(index > 18) { // tail
6275 if(exclusionHeader[19] == '-') { // tail was excluded
6276 SendToBoth("include all\n");
6277 WriteMap(0); // clear map completely
6278 // now re-exclude selected moves
6279 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6280 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6281 } else { // tail was included or in mixed state
6282 SendToBoth("exclude all\n");
6283 WriteMap(0xFF); // fill map completely
6284 // now re-include selected moves
6285 j = 0; // count them
6286 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6287 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6288 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6291 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6294 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6295 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6296 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6303 DefaultPromoChoice (int white)
6306 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6307 result = WhiteFerz; // no choice
6308 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6309 result= WhiteKing; // in Suicide Q is the last thing we want
6310 else if(gameInfo.variant == VariantSpartan)
6311 result = white ? WhiteQueen : WhiteAngel;
6312 else result = WhiteQueen;
6313 if(!white) result = WHITE_TO_BLACK result;
6317 static int autoQueen; // [HGM] oneclick
6320 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6322 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6323 /* [HGM] add Shogi promotions */
6324 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6329 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6330 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6332 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6333 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6336 piece = boards[currentMove][fromY][fromX];
6337 if(gameInfo.variant == VariantShogi) {
6338 promotionZoneSize = BOARD_HEIGHT/3;
6339 highestPromotingPiece = (int)WhiteFerz;
6340 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6341 promotionZoneSize = 3;
6344 // Treat Lance as Pawn when it is not representing Amazon
6345 if(gameInfo.variant != VariantSuper) {
6346 if(piece == WhiteLance) piece = WhitePawn; else
6347 if(piece == BlackLance) piece = BlackPawn;
6350 // next weed out all moves that do not touch the promotion zone at all
6351 if((int)piece >= BlackPawn) {
6352 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6354 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6356 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6357 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6360 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6362 // weed out mandatory Shogi promotions
6363 if(gameInfo.variant == VariantShogi) {
6364 if(piece >= BlackPawn) {
6365 if(toY == 0 && piece == BlackPawn ||
6366 toY == 0 && piece == BlackQueen ||
6367 toY <= 1 && piece == BlackKnight) {
6372 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6373 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6374 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6381 // weed out obviously illegal Pawn moves
6382 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6383 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6384 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6385 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6386 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6387 // note we are not allowed to test for valid (non-)capture, due to premove
6390 // we either have a choice what to promote to, or (in Shogi) whether to promote
6391 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6392 *promoChoice = PieceToChar(BlackFerz); // no choice
6395 // no sense asking what we must promote to if it is going to explode...
6396 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6397 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6400 // give caller the default choice even if we will not make it
6401 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6402 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6403 if( sweepSelect && gameInfo.variant != VariantGreat
6404 && gameInfo.variant != VariantGrand
6405 && gameInfo.variant != VariantSuper) return FALSE;
6406 if(autoQueen) return FALSE; // predetermined
6408 // suppress promotion popup on illegal moves that are not premoves
6409 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6410 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6411 if(appData.testLegality && !premove) {
6412 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6413 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6414 if(moveType != WhitePromotion && moveType != BlackPromotion)
6422 InPalace (int row, int column)
6423 { /* [HGM] for Xiangqi */
6424 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6425 column < (BOARD_WIDTH + 4)/2 &&
6426 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6431 PieceForSquare (int x, int y)
6433 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6436 return boards[currentMove][y][x];
6440 OKToStartUserMove (int x, int y)
6442 ChessSquare from_piece;
6445 if (matchMode) return FALSE;
6446 if (gameMode == EditPosition) return TRUE;
6448 if (x >= 0 && y >= 0)
6449 from_piece = boards[currentMove][y][x];
6451 from_piece = EmptySquare;
6453 if (from_piece == EmptySquare) return FALSE;
6455 white_piece = (int)from_piece >= (int)WhitePawn &&
6456 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6460 case TwoMachinesPlay:
6468 case MachinePlaysWhite:
6469 case IcsPlayingBlack:
6470 if (appData.zippyPlay) return FALSE;
6472 DisplayMoveError(_("You are playing Black"));
6477 case MachinePlaysBlack:
6478 case IcsPlayingWhite:
6479 if (appData.zippyPlay) return FALSE;
6481 DisplayMoveError(_("You are playing White"));
6486 case PlayFromGameFile:
6487 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6489 if (!white_piece && WhiteOnMove(currentMove)) {
6490 DisplayMoveError(_("It is White's turn"));
6493 if (white_piece && !WhiteOnMove(currentMove)) {
6494 DisplayMoveError(_("It is Black's turn"));
6497 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6498 /* Editing correspondence game history */
6499 /* Could disallow this or prompt for confirmation */
6504 case BeginningOfGame:
6505 if (appData.icsActive) return FALSE;
6506 if (!appData.noChessProgram) {
6508 DisplayMoveError(_("You are playing White"));
6515 if (!white_piece && WhiteOnMove(currentMove)) {
6516 DisplayMoveError(_("It is White's turn"));
6519 if (white_piece && !WhiteOnMove(currentMove)) {
6520 DisplayMoveError(_("It is Black's turn"));
6529 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6530 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6531 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6532 && gameMode != AnalyzeFile && gameMode != Training) {
6533 DisplayMoveError(_("Displayed position is not current"));
6540 OnlyMove (int *x, int *y, Boolean captures)
6542 DisambiguateClosure cl;
6543 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6545 case MachinePlaysBlack:
6546 case IcsPlayingWhite:
6547 case BeginningOfGame:
6548 if(!WhiteOnMove(currentMove)) return FALSE;
6550 case MachinePlaysWhite:
6551 case IcsPlayingBlack:
6552 if(WhiteOnMove(currentMove)) return FALSE;
6559 cl.pieceIn = EmptySquare;
6564 cl.promoCharIn = NULLCHAR;
6565 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6566 if( cl.kind == NormalMove ||
6567 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6568 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6569 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6576 if(cl.kind != ImpossibleMove) return FALSE;
6577 cl.pieceIn = EmptySquare;
6582 cl.promoCharIn = NULLCHAR;
6583 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6584 if( cl.kind == NormalMove ||
6585 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6586 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6587 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6592 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6598 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6599 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6600 int lastLoadGameUseList = FALSE;
6601 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6602 ChessMove lastLoadGameStart = EndOfFile;
6606 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6610 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6612 /* Check if the user is playing in turn. This is complicated because we
6613 let the user "pick up" a piece before it is his turn. So the piece he
6614 tried to pick up may have been captured by the time he puts it down!
6615 Therefore we use the color the user is supposed to be playing in this
6616 test, not the color of the piece that is currently on the starting
6617 square---except in EditGame mode, where the user is playing both
6618 sides; fortunately there the capture race can't happen. (It can
6619 now happen in IcsExamining mode, but that's just too bad. The user
6620 will get a somewhat confusing message in that case.)
6625 case TwoMachinesPlay:
6629 /* We switched into a game mode where moves are not accepted,
6630 perhaps while the mouse button was down. */
6633 case MachinePlaysWhite:
6634 /* User is moving for Black */
6635 if (WhiteOnMove(currentMove)) {
6636 DisplayMoveError(_("It is White's turn"));
6641 case MachinePlaysBlack:
6642 /* User is moving for White */
6643 if (!WhiteOnMove(currentMove)) {
6644 DisplayMoveError(_("It is Black's turn"));
6649 case PlayFromGameFile:
6650 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6653 case BeginningOfGame:
6656 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6657 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6658 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6659 /* User is moving for Black */
6660 if (WhiteOnMove(currentMove)) {
6661 DisplayMoveError(_("It is White's turn"));
6665 /* User is moving for White */
6666 if (!WhiteOnMove(currentMove)) {
6667 DisplayMoveError(_("It is Black's turn"));
6673 case IcsPlayingBlack:
6674 /* User is moving for Black */
6675 if (WhiteOnMove(currentMove)) {
6676 if (!appData.premove) {
6677 DisplayMoveError(_("It is White's turn"));
6678 } else if (toX >= 0 && toY >= 0) {
6681 premoveFromX = fromX;
6682 premoveFromY = fromY;
6683 premovePromoChar = promoChar;
6685 if (appData.debugMode)
6686 fprintf(debugFP, "Got premove: fromX %d,"
6687 "fromY %d, toX %d, toY %d\n",
6688 fromX, fromY, toX, toY);
6694 case IcsPlayingWhite:
6695 /* User is moving for White */
6696 if (!WhiteOnMove(currentMove)) {
6697 if (!appData.premove) {
6698 DisplayMoveError(_("It is Black's turn"));
6699 } else if (toX >= 0 && toY >= 0) {
6702 premoveFromX = fromX;
6703 premoveFromY = fromY;
6704 premovePromoChar = promoChar;
6706 if (appData.debugMode)
6707 fprintf(debugFP, "Got premove: fromX %d,"
6708 "fromY %d, toX %d, toY %d\n",
6709 fromX, fromY, toX, toY);
6719 /* EditPosition, empty square, or different color piece;
6720 click-click move is possible */
6721 if (toX == -2 || toY == -2) {
6722 boards[0][fromY][fromX] = EmptySquare;
6723 DrawPosition(FALSE, boards[currentMove]);
6725 } else if (toX >= 0 && toY >= 0) {
6726 boards[0][toY][toX] = boards[0][fromY][fromX];
6727 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6728 if(boards[0][fromY][0] != EmptySquare) {
6729 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6730 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6733 if(fromX == BOARD_RGHT+1) {
6734 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6735 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6736 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6739 boards[0][fromY][fromX] = gatingPiece;
6740 DrawPosition(FALSE, boards[currentMove]);
6746 if(toX < 0 || toY < 0) return;
6747 pup = boards[currentMove][toY][toX];
6749 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6750 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6751 if( pup != EmptySquare ) return;
6752 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6753 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6754 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6755 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6756 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6757 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6758 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6762 /* [HGM] always test for legality, to get promotion info */
6763 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6764 fromY, fromX, toY, toX, promoChar);
6766 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6768 /* [HGM] but possibly ignore an IllegalMove result */
6769 if (appData.testLegality) {
6770 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6771 DisplayMoveError(_("Illegal move"));
6776 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6777 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6778 ClearPremoveHighlights(); // was included
6779 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6783 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6786 /* Common tail of UserMoveEvent and DropMenuEvent */
6788 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6792 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6793 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6794 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6795 if(WhiteOnMove(currentMove)) {
6796 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6798 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6802 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6803 move type in caller when we know the move is a legal promotion */
6804 if(moveType == NormalMove && promoChar)
6805 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6807 /* [HGM] <popupFix> The following if has been moved here from
6808 UserMoveEvent(). Because it seemed to belong here (why not allow
6809 piece drops in training games?), and because it can only be
6810 performed after it is known to what we promote. */
6811 if (gameMode == Training) {
6812 /* compare the move played on the board to the next move in the
6813 * game. If they match, display the move and the opponent's response.
6814 * If they don't match, display an error message.
6818 CopyBoard(testBoard, boards[currentMove]);
6819 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6821 if (CompareBoards(testBoard, boards[currentMove+1])) {
6822 ForwardInner(currentMove+1);
6824 /* Autoplay the opponent's response.
6825 * if appData.animate was TRUE when Training mode was entered,
6826 * the response will be animated.
6828 saveAnimate = appData.animate;
6829 appData.animate = animateTraining;
6830 ForwardInner(currentMove+1);
6831 appData.animate = saveAnimate;
6833 /* check for the end of the game */
6834 if (currentMove >= forwardMostMove) {
6835 gameMode = PlayFromGameFile;
6837 SetTrainingModeOff();
6838 DisplayInformation(_("End of game"));
6841 DisplayError(_("Incorrect move"), 0);
6846 /* Ok, now we know that the move is good, so we can kill
6847 the previous line in Analysis Mode */
6848 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6849 && currentMove < forwardMostMove) {
6850 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6851 else forwardMostMove = currentMove;
6856 /* If we need the chess program but it's dead, restart it */
6857 ResurrectChessProgram();
6859 /* A user move restarts a paused game*/
6863 thinkOutput[0] = NULLCHAR;
6865 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6867 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6868 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6872 if (gameMode == BeginningOfGame) {
6873 if (appData.noChessProgram) {
6874 gameMode = EditGame;
6878 gameMode = MachinePlaysBlack;
6881 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6883 if (first.sendName) {
6884 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6885 SendToProgram(buf, &first);
6892 /* Relay move to ICS or chess engine */
6893 if (appData.icsActive) {
6894 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6895 gameMode == IcsExamining) {
6896 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6897 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6899 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6901 // also send plain move, in case ICS does not understand atomic claims
6902 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6906 if (first.sendTime && (gameMode == BeginningOfGame ||
6907 gameMode == MachinePlaysWhite ||
6908 gameMode == MachinePlaysBlack)) {
6909 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6911 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6912 // [HGM] book: if program might be playing, let it use book
6913 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6914 first.maybeThinking = TRUE;
6915 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6916 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6917 SendBoard(&first, currentMove+1);
6918 if(second.analyzing) {
6919 if(!second.useSetboard) SendToProgram("undo\n", &second);
6920 SendBoard(&second, currentMove+1);
6923 SendMoveToProgram(forwardMostMove-1, &first);
6924 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6926 if (currentMove == cmailOldMove + 1) {
6927 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6931 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6935 if(appData.testLegality)
6936 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6942 if (WhiteOnMove(currentMove)) {
6943 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6945 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6949 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6954 case MachinePlaysBlack:
6955 case MachinePlaysWhite:
6956 /* disable certain menu options while machine is thinking */
6957 SetMachineThinkingEnables();
6964 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6965 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6967 if(bookHit) { // [HGM] book: simulate book reply
6968 static char bookMove[MSG_SIZ]; // a bit generous?
6970 programStats.nodes = programStats.depth = programStats.time =
6971 programStats.score = programStats.got_only_move = 0;
6972 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6974 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6975 strcat(bookMove, bookHit);
6976 HandleMachineMove(bookMove, &first);
6982 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6984 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6985 Markers *m = (Markers *) closure;
6986 if(rf == fromY && ff == fromX)
6987 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6988 || kind == WhiteCapturesEnPassant
6989 || kind == BlackCapturesEnPassant);
6990 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6994 MarkTargetSquares (int clear)
6997 if(clear) // no reason to ever suppress clearing
6998 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6999 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7000 !appData.testLegality || gameMode == EditPosition) return;
7003 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7004 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7005 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7007 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7010 DrawPosition(FALSE, NULL);
7014 Explode (Board board, int fromX, int fromY, int toX, int toY)
7016 if(gameInfo.variant == VariantAtomic &&
7017 (board[toY][toX] != EmptySquare || // capture?
7018 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7019 board[fromY][fromX] == BlackPawn )
7021 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7027 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7030 CanPromote (ChessSquare piece, int y)
7032 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7033 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7034 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7035 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7036 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7037 gameInfo.variant == VariantMakruk) return FALSE;
7038 return (piece == BlackPawn && y == 1 ||
7039 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7040 piece == BlackLance && y == 1 ||
7041 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7045 LeftClick (ClickType clickType, int xPix, int yPix)
7048 Boolean saveAnimate;
7049 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7050 char promoChoice = NULLCHAR;
7052 static TimeMark lastClickTime, prevClickTime;
7054 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7056 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7058 if (clickType == Press) ErrorPopDown();
7060 x = EventToSquare(xPix, BOARD_WIDTH);
7061 y = EventToSquare(yPix, BOARD_HEIGHT);
7062 if (!flipView && y >= 0) {
7063 y = BOARD_HEIGHT - 1 - y;
7065 if (flipView && x >= 0) {
7066 x = BOARD_WIDTH - 1 - x;
7069 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7070 defaultPromoChoice = promoSweep;
7071 promoSweep = EmptySquare; // terminate sweep
7072 promoDefaultAltered = TRUE;
7073 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7076 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7077 if(clickType == Release) return; // ignore upclick of click-click destination
7078 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7079 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7080 if(gameInfo.holdingsWidth &&
7081 (WhiteOnMove(currentMove)
7082 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7083 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7084 // click in right holdings, for determining promotion piece
7085 ChessSquare p = boards[currentMove][y][x];
7086 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7087 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7088 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7089 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7094 DrawPosition(FALSE, boards[currentMove]);
7098 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7099 if(clickType == Press
7100 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7101 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7102 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7105 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7106 // could be static click on premove from-square: abort premove
7108 ClearPremoveHighlights();
7111 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7112 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7114 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7115 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7116 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7117 defaultPromoChoice = DefaultPromoChoice(side);
7120 autoQueen = appData.alwaysPromoteToQueen;
7124 gatingPiece = EmptySquare;
7125 if (clickType != Press) {
7126 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7127 DragPieceEnd(xPix, yPix); dragging = 0;
7128 DrawPosition(FALSE, NULL);
7132 doubleClick = FALSE;
7133 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7134 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7136 fromX = x; fromY = y; toX = toY = -1;
7137 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7138 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7139 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7141 if (OKToStartUserMove(fromX, fromY)) {
7143 MarkTargetSquares(0);
7144 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7145 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7146 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7147 promoSweep = defaultPromoChoice;
7148 selectFlag = 0; lastX = xPix; lastY = yPix;
7149 Sweep(0); // Pawn that is going to promote: preview promotion piece
7150 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7152 if (appData.highlightDragging) {
7153 SetHighlights(fromX, fromY, -1, -1);
7157 } else fromX = fromY = -1;
7163 if (clickType == Press && gameMode != EditPosition) {
7168 // ignore off-board to clicks
7169 if(y < 0 || x < 0) return;
7171 /* Check if clicking again on the same color piece */
7172 fromP = boards[currentMove][fromY][fromX];
7173 toP = boards[currentMove][y][x];
7174 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7175 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7176 WhitePawn <= toP && toP <= WhiteKing &&
7177 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7178 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7179 (BlackPawn <= fromP && fromP <= BlackKing &&
7180 BlackPawn <= toP && toP <= BlackKing &&
7181 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7182 !(fromP == BlackKing && toP == BlackRook && frc))) {
7183 /* Clicked again on same color piece -- changed his mind */
7184 second = (x == fromX && y == fromY);
7185 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7186 second = FALSE; // first double-click rather than scond click
7187 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7189 promoDefaultAltered = FALSE;
7190 MarkTargetSquares(1);
7191 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7192 if (appData.highlightDragging) {
7193 SetHighlights(x, y, -1, -1);
7197 if (OKToStartUserMove(x, y)) {
7198 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7199 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7200 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7201 gatingPiece = boards[currentMove][fromY][fromX];
7202 else gatingPiece = doubleClick ? fromP : EmptySquare;
7204 fromY = y; dragging = 1;
7205 MarkTargetSquares(0);
7206 DragPieceBegin(xPix, yPix, FALSE);
7207 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7208 promoSweep = defaultPromoChoice;
7209 selectFlag = 0; lastX = xPix; lastY = yPix;
7210 Sweep(0); // Pawn that is going to promote: preview promotion piece
7214 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7217 // ignore clicks on holdings
7218 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7221 if (clickType == Release && x == fromX && y == fromY) {
7222 DragPieceEnd(xPix, yPix); dragging = 0;
7224 // a deferred attempt to click-click move an empty square on top of a piece
7225 boards[currentMove][y][x] = EmptySquare;
7227 DrawPosition(FALSE, boards[currentMove]);
7228 fromX = fromY = -1; clearFlag = 0;
7231 if (appData.animateDragging) {
7232 /* Undo animation damage if any */
7233 DrawPosition(FALSE, NULL);
7235 if (second || sweepSelecting) {
7236 /* Second up/down in same square; just abort move */
7237 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7238 second = sweepSelecting = 0;
7240 gatingPiece = EmptySquare;
7243 ClearPremoveHighlights();
7245 /* First upclick in same square; start click-click mode */
7246 SetHighlights(x, y, -1, -1);
7253 /* we now have a different from- and (possibly off-board) to-square */
7254 /* Completed move */
7255 if(!sweepSelecting) {
7258 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7260 saveAnimate = appData.animate;
7261 if (clickType == Press) {
7262 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7263 // must be Edit Position mode with empty-square selected
7264 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7265 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7268 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7269 if(appData.sweepSelect) {
7270 ChessSquare piece = boards[currentMove][fromY][fromX];
7271 promoSweep = defaultPromoChoice;
7272 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7273 selectFlag = 0; lastX = xPix; lastY = yPix;
7274 Sweep(0); // Pawn that is going to promote: preview promotion piece
7276 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7277 MarkTargetSquares(1);
7279 return; // promo popup appears on up-click
7281 /* Finish clickclick move */
7282 if (appData.animate || appData.highlightLastMove) {
7283 SetHighlights(fromX, fromY, toX, toY);
7289 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7290 /* Finish drag move */
7291 if (appData.highlightLastMove) {
7292 SetHighlights(fromX, fromY, toX, toY);
7297 DragPieceEnd(xPix, yPix); dragging = 0;
7298 /* Don't animate move and drag both */
7299 appData.animate = FALSE;
7302 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7303 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7304 ChessSquare piece = boards[currentMove][fromY][fromX];
7305 if(gameMode == EditPosition && piece != EmptySquare &&
7306 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7309 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7310 n = PieceToNumber(piece - (int)BlackPawn);
7311 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7312 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7313 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7315 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7316 n = PieceToNumber(piece);
7317 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7318 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7319 boards[currentMove][n][BOARD_WIDTH-2]++;
7321 boards[currentMove][fromY][fromX] = EmptySquare;
7325 MarkTargetSquares(1);
7326 DrawPosition(TRUE, boards[currentMove]);
7330 // off-board moves should not be highlighted
7331 if(x < 0 || y < 0) ClearHighlights();
7333 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7335 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7336 SetHighlights(fromX, fromY, toX, toY);
7337 MarkTargetSquares(1);
7338 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7339 // [HGM] super: promotion to captured piece selected from holdings
7340 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7341 promotionChoice = TRUE;
7342 // kludge follows to temporarily execute move on display, without promoting yet
7343 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7344 boards[currentMove][toY][toX] = p;
7345 DrawPosition(FALSE, boards[currentMove]);
7346 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7347 boards[currentMove][toY][toX] = q;
7348 DisplayMessage("Click in holdings to choose piece", "");
7353 int oldMove = currentMove;
7354 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7355 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7356 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7357 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7358 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7359 DrawPosition(TRUE, boards[currentMove]);
7360 MarkTargetSquares(1);
7363 appData.animate = saveAnimate;
7364 if (appData.animate || appData.animateDragging) {
7365 /* Undo animation damage if needed */
7366 DrawPosition(FALSE, NULL);
7371 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7372 { // front-end-free part taken out of PieceMenuPopup
7373 int whichMenu; int xSqr, ySqr;
7375 if(seekGraphUp) { // [HGM] seekgraph
7376 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7377 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7381 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7382 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7383 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7384 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7385 if(action == Press) {
7386 originalFlip = flipView;
7387 flipView = !flipView; // temporarily flip board to see game from partners perspective
7388 DrawPosition(TRUE, partnerBoard);
7389 DisplayMessage(partnerStatus, "");
7391 } else if(action == Release) {
7392 flipView = originalFlip;
7393 DrawPosition(TRUE, boards[currentMove]);
7399 xSqr = EventToSquare(x, BOARD_WIDTH);
7400 ySqr = EventToSquare(y, BOARD_HEIGHT);
7401 if (action == Release) {
7402 if(pieceSweep != EmptySquare) {
7403 EditPositionMenuEvent(pieceSweep, toX, toY);
7404 pieceSweep = EmptySquare;
7405 } else UnLoadPV(); // [HGM] pv
7407 if (action != Press) return -2; // return code to be ignored
7410 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7412 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7413 if (xSqr < 0 || ySqr < 0) return -1;
7414 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7415 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7416 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7417 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7421 if(!appData.icsEngineAnalyze) return -1;
7422 case IcsPlayingWhite:
7423 case IcsPlayingBlack:
7424 if(!appData.zippyPlay) goto noZip;
7427 case MachinePlaysWhite:
7428 case MachinePlaysBlack:
7429 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7430 if (!appData.dropMenu) {
7432 return 2; // flag front-end to grab mouse events
7434 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7435 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7438 if (xSqr < 0 || ySqr < 0) return -1;
7439 if (!appData.dropMenu || appData.testLegality &&
7440 gameInfo.variant != VariantBughouse &&
7441 gameInfo.variant != VariantCrazyhouse) return -1;
7442 whichMenu = 1; // drop menu
7448 if (((*fromX = xSqr) < 0) ||
7449 ((*fromY = ySqr) < 0)) {
7450 *fromX = *fromY = -1;
7454 *fromX = BOARD_WIDTH - 1 - *fromX;
7456 *fromY = BOARD_HEIGHT - 1 - *fromY;
7462 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7464 // char * hint = lastHint;
7465 FrontEndProgramStats stats;
7467 stats.which = cps == &first ? 0 : 1;
7468 stats.depth = cpstats->depth;
7469 stats.nodes = cpstats->nodes;
7470 stats.score = cpstats->score;
7471 stats.time = cpstats->time;
7472 stats.pv = cpstats->movelist;
7473 stats.hint = lastHint;
7474 stats.an_move_index = 0;
7475 stats.an_move_count = 0;
7477 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7478 stats.hint = cpstats->move_name;
7479 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7480 stats.an_move_count = cpstats->nr_moves;
7483 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7485 SetProgramStats( &stats );
7489 ClearEngineOutputPane (int which)
7491 static FrontEndProgramStats dummyStats;
7492 dummyStats.which = which;
7493 dummyStats.pv = "#";
7494 SetProgramStats( &dummyStats );
7497 #define MAXPLAYERS 500
7500 TourneyStandings (int display)
7502 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7503 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7504 char result, *p, *names[MAXPLAYERS];
7506 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7507 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7508 names[0] = p = strdup(appData.participants);
7509 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7511 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7513 while(result = appData.results[nr]) {
7514 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7515 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7516 wScore = bScore = 0;
7518 case '+': wScore = 2; break;
7519 case '-': bScore = 2; break;
7520 case '=': wScore = bScore = 1; break;
7522 case '*': return strdup("busy"); // tourney not finished
7530 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7531 for(w=0; w<nPlayers; w++) {
7533 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7534 ranking[w] = b; points[w] = bScore; score[b] = -2;
7536 p = malloc(nPlayers*34+1);
7537 for(w=0; w<nPlayers && w<display; w++)
7538 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7544 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7545 { // count all piece types
7547 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7548 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7549 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7552 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7553 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7554 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7555 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7556 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7557 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7562 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7564 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7565 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7567 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7568 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7569 if(myPawns == 2 && nMine == 3) // KPP
7570 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7571 if(myPawns == 1 && nMine == 2) // KP
7572 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7573 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7574 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7575 if(myPawns) return FALSE;
7576 if(pCnt[WhiteRook+side])
7577 return pCnt[BlackRook-side] ||
7578 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7579 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7580 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7581 if(pCnt[WhiteCannon+side]) {
7582 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7583 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7585 if(pCnt[WhiteKnight+side])
7586 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7591 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7593 VariantClass v = gameInfo.variant;
7595 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7596 if(v == VariantShatranj) return TRUE; // always winnable through baring
7597 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7598 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7600 if(v == VariantXiangqi) {
7601 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7603 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7604 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7605 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7606 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7607 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7608 if(stale) // we have at least one last-rank P plus perhaps C
7609 return majors // KPKX
7610 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7612 return pCnt[WhiteFerz+side] // KCAK
7613 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7614 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7615 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7617 } else if(v == VariantKnightmate) {
7618 if(nMine == 1) return FALSE;
7619 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7620 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7621 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7623 if(nMine == 1) return FALSE; // bare King
7624 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7625 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7626 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7627 // by now we have King + 1 piece (or multiple Bishops on the same color)
7628 if(pCnt[WhiteKnight+side])
7629 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7630 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7631 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7633 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7634 if(pCnt[WhiteAlfil+side])
7635 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7636 if(pCnt[WhiteWazir+side])
7637 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7644 CompareWithRights (Board b1, Board b2)
7647 if(!CompareBoards(b1, b2)) return FALSE;
7648 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7649 /* compare castling rights */
7650 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7651 rights++; /* King lost rights, while rook still had them */
7652 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7653 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7654 rights++; /* but at least one rook lost them */
7656 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7658 if( b1[CASTLING][5] != NoRights ) {
7659 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7666 Adjudicate (ChessProgramState *cps)
7667 { // [HGM] some adjudications useful with buggy engines
7668 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7669 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7670 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7671 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7672 int k, drop, count = 0; static int bare = 1;
7673 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7674 Boolean canAdjudicate = !appData.icsActive;
7676 // most tests only when we understand the game, i.e. legality-checking on
7677 if( appData.testLegality )
7678 { /* [HGM] Some more adjudications for obstinate engines */
7679 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7680 static int moveCount = 6;
7682 char *reason = NULL;
7684 /* Count what is on board. */
7685 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7687 /* Some material-based adjudications that have to be made before stalemate test */
7688 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7689 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7690 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7691 if(canAdjudicate && appData.checkMates) {
7693 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7694 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7695 "Xboard adjudication: King destroyed", GE_XBOARD );
7700 /* Bare King in Shatranj (loses) or Losers (wins) */
7701 if( nrW == 1 || nrB == 1) {
7702 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7703 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7704 if(canAdjudicate && appData.checkMates) {
7706 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7707 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7708 "Xboard adjudication: Bare king", GE_XBOARD );
7712 if( gameInfo.variant == VariantShatranj && --bare < 0)
7714 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7715 if(canAdjudicate && appData.checkMates) {
7716 /* but only adjudicate if adjudication enabled */
7718 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7719 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7720 "Xboard adjudication: Bare king", GE_XBOARD );
7727 // don't wait for engine to announce game end if we can judge ourselves
7728 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7730 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7731 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7732 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7733 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7736 reason = "Xboard adjudication: 3rd check";
7737 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7747 reason = "Xboard adjudication: Stalemate";
7748 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7749 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7750 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7751 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7752 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7753 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7754 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7755 EP_CHECKMATE : EP_WINS);
7756 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7757 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7761 reason = "Xboard adjudication: Checkmate";
7762 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7766 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7768 result = GameIsDrawn; break;
7770 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7772 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7776 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7778 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7779 GameEnds( result, reason, GE_XBOARD );
7783 /* Next absolutely insufficient mating material. */
7784 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7785 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7786 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7788 /* always flag draws, for judging claims */
7789 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7791 if(canAdjudicate && appData.materialDraws) {
7792 /* but only adjudicate them if adjudication enabled */
7793 if(engineOpponent) {
7794 SendToProgram("force\n", engineOpponent); // suppress reply
7795 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7797 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7802 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7803 if(gameInfo.variant == VariantXiangqi ?
7804 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7806 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7807 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7808 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7809 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7811 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7812 { /* if the first 3 moves do not show a tactical win, declare draw */
7813 if(engineOpponent) {
7814 SendToProgram("force\n", engineOpponent); // suppress reply
7815 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7817 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7820 } else moveCount = 6;
7823 // Repetition draws and 50-move rule can be applied independently of legality testing
7825 /* Check for rep-draws */
7827 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7828 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7829 for(k = forwardMostMove-2;
7830 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7831 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7832 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7835 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7836 /* compare castling rights */
7837 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7838 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7839 rights++; /* King lost rights, while rook still had them */
7840 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7841 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7842 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7843 rights++; /* but at least one rook lost them */
7845 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7846 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7848 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7849 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7850 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7853 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7854 && appData.drawRepeats > 1) {
7855 /* adjudicate after user-specified nr of repeats */
7856 int result = GameIsDrawn;
7857 char *details = "XBoard adjudication: repetition draw";
7858 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7859 // [HGM] xiangqi: check for forbidden perpetuals
7860 int m, ourPerpetual = 1, hisPerpetual = 1;
7861 for(m=forwardMostMove; m>k; m-=2) {
7862 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7863 ourPerpetual = 0; // the current mover did not always check
7864 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7865 hisPerpetual = 0; // the opponent did not always check
7867 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7868 ourPerpetual, hisPerpetual);
7869 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7870 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7871 details = "Xboard adjudication: perpetual checking";
7873 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7874 break; // (or we would have caught him before). Abort repetition-checking loop.
7876 // Now check for perpetual chases
7877 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7878 hisPerpetual = PerpetualChase(k, forwardMostMove);
7879 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7880 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7881 static char resdet[MSG_SIZ];
7882 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7884 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7886 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7887 break; // Abort repetition-checking loop.
7889 // if neither of us is checking or chasing all the time, or both are, it is draw
7891 if(engineOpponent) {
7892 SendToProgram("force\n", engineOpponent); // suppress reply
7893 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7895 GameEnds( result, details, GE_XBOARD );
7898 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7899 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7903 /* Now we test for 50-move draws. Determine ply count */
7904 count = forwardMostMove;
7905 /* look for last irreversble move */
7906 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7908 /* if we hit starting position, add initial plies */
7909 if( count == backwardMostMove )
7910 count -= initialRulePlies;
7911 count = forwardMostMove - count;
7912 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7913 // adjust reversible move counter for checks in Xiangqi
7914 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7915 if(i < backwardMostMove) i = backwardMostMove;
7916 while(i <= forwardMostMove) {
7917 lastCheck = inCheck; // check evasion does not count
7918 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7919 if(inCheck || lastCheck) count--; // check does not count
7924 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7925 /* this is used to judge if draw claims are legal */
7926 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7927 if(engineOpponent) {
7928 SendToProgram("force\n", engineOpponent); // suppress reply
7929 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7931 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7935 /* if draw offer is pending, treat it as a draw claim
7936 * when draw condition present, to allow engines a way to
7937 * claim draws before making their move to avoid a race
7938 * condition occurring after their move
7940 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7942 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7943 p = "Draw claim: 50-move rule";
7944 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7945 p = "Draw claim: 3-fold repetition";
7946 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7947 p = "Draw claim: insufficient mating material";
7948 if( p != NULL && canAdjudicate) {
7949 if(engineOpponent) {
7950 SendToProgram("force\n", engineOpponent); // suppress reply
7951 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7953 GameEnds( GameIsDrawn, p, GE_XBOARD );
7958 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7959 if(engineOpponent) {
7960 SendToProgram("force\n", engineOpponent); // suppress reply
7961 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7963 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7970 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7971 { // [HGM] book: this routine intercepts moves to simulate book replies
7972 char *bookHit = NULL;
7974 //first determine if the incoming move brings opponent into his book
7975 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7976 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7977 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7978 if(bookHit != NULL && !cps->bookSuspend) {
7979 // make sure opponent is not going to reply after receiving move to book position
7980 SendToProgram("force\n", cps);
7981 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7983 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7984 // now arrange restart after book miss
7986 // after a book hit we never send 'go', and the code after the call to this routine
7987 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7988 char buf[MSG_SIZ], *move = bookHit;
7990 int fromX, fromY, toX, toY;
7994 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7995 &fromX, &fromY, &toX, &toY, &promoChar)) {
7996 (void) CoordsToAlgebraic(boards[forwardMostMove],
7997 PosFlags(forwardMostMove),
7998 fromY, fromX, toY, toX, promoChar, move);
8000 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8004 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8005 SendToProgram(buf, cps);
8006 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8007 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8008 SendToProgram("go\n", cps);
8009 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8010 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8011 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8012 SendToProgram("go\n", cps);
8013 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8015 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8019 LoadError (char *errmess, ChessProgramState *cps)
8020 { // unloads engine and switches back to -ncp mode if it was first
8021 if(cps->initDone) return FALSE;
8022 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8023 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8026 appData.noChessProgram = TRUE;
8027 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8028 gameMode = BeginningOfGame; ModeHighlight();
8031 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8032 DisplayMessage("", ""); // erase waiting message
8033 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8038 ChessProgramState *savedState;
8040 DeferredBookMove (void)
8042 if(savedState->lastPing != savedState->lastPong)
8043 ScheduleDelayedEvent(DeferredBookMove, 10);
8045 HandleMachineMove(savedMessage, savedState);
8048 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8049 static ChessProgramState *stalledEngine;
8050 static char stashedInputMove[MSG_SIZ];
8053 HandleMachineMove (char *message, ChessProgramState *cps)
8055 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8056 char realname[MSG_SIZ];
8057 int fromX, fromY, toX, toY;
8061 int machineWhite, oldError;
8064 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8065 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8066 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8067 DisplayError(_("Invalid pairing from pairing engine"), 0);
8070 pairingReceived = 1;
8072 return; // Skim the pairing messages here.
8075 oldError = cps->userError; cps->userError = 0;
8077 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8079 * Kludge to ignore BEL characters
8081 while (*message == '\007') message++;
8084 * [HGM] engine debug message: ignore lines starting with '#' character
8086 if(cps->debug && *message == '#') return;
8089 * Look for book output
8091 if (cps == &first && bookRequested) {
8092 if (message[0] == '\t' || message[0] == ' ') {
8093 /* Part of the book output is here; append it */
8094 strcat(bookOutput, message);
8095 strcat(bookOutput, " \n");
8097 } else if (bookOutput[0] != NULLCHAR) {
8098 /* All of book output has arrived; display it */
8099 char *p = bookOutput;
8100 while (*p != NULLCHAR) {
8101 if (*p == '\t') *p = ' ';
8104 DisplayInformation(bookOutput);
8105 bookRequested = FALSE;
8106 /* Fall through to parse the current output */
8111 * Look for machine move.
8113 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8114 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8116 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8117 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8118 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8119 stalledEngine = cps;
8120 if(appData.ponderNextMove) { // bring opponent out of ponder
8121 if(gameMode == TwoMachinesPlay) {
8122 if(cps->other->pause)
8123 PauseEngine(cps->other);
8125 SendToProgram("easy\n", cps->other);
8132 /* This method is only useful on engines that support ping */
8133 if (cps->lastPing != cps->lastPong) {
8134 if (gameMode == BeginningOfGame) {
8135 /* Extra move from before last new; ignore */
8136 if (appData.debugMode) {
8137 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8140 if (appData.debugMode) {
8141 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8142 cps->which, gameMode);
8145 SendToProgram("undo\n", cps);
8151 case BeginningOfGame:
8152 /* Extra move from before last reset; ignore */
8153 if (appData.debugMode) {
8154 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8161 /* Extra move after we tried to stop. The mode test is
8162 not a reliable way of detecting this problem, but it's
8163 the best we can do on engines that don't support ping.
8165 if (appData.debugMode) {
8166 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8167 cps->which, gameMode);
8169 SendToProgram("undo\n", cps);
8172 case MachinePlaysWhite:
8173 case IcsPlayingWhite:
8174 machineWhite = TRUE;
8177 case MachinePlaysBlack:
8178 case IcsPlayingBlack:
8179 machineWhite = FALSE;
8182 case TwoMachinesPlay:
8183 machineWhite = (cps->twoMachinesColor[0] == 'w');
8186 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8187 if (appData.debugMode) {
8189 "Ignoring move out of turn by %s, gameMode %d"
8190 ", forwardMost %d\n",
8191 cps->which, gameMode, forwardMostMove);
8196 if(cps->alphaRank) AlphaRank(machineMove, 4);
8197 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8198 &fromX, &fromY, &toX, &toY, &promoChar)) {
8199 /* Machine move could not be parsed; ignore it. */
8200 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8201 machineMove, _(cps->which));
8202 DisplayError(buf1, 0);
8203 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8204 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8205 if (gameMode == TwoMachinesPlay) {
8206 GameEnds(machineWhite ? BlackWins : WhiteWins,
8212 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8213 /* So we have to redo legality test with true e.p. status here, */
8214 /* to make sure an illegal e.p. capture does not slip through, */
8215 /* to cause a forfeit on a justified illegal-move complaint */
8216 /* of the opponent. */
8217 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8219 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8220 fromY, fromX, toY, toX, promoChar);
8221 if(moveType == IllegalMove) {
8222 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8223 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8224 GameEnds(machineWhite ? BlackWins : WhiteWins,
8227 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8228 /* [HGM] Kludge to handle engines that send FRC-style castling
8229 when they shouldn't (like TSCP-Gothic) */
8231 case WhiteASideCastleFR:
8232 case BlackASideCastleFR:
8234 currentMoveString[2]++;
8236 case WhiteHSideCastleFR:
8237 case BlackHSideCastleFR:
8239 currentMoveString[2]--;
8241 default: ; // nothing to do, but suppresses warning of pedantic compilers
8244 hintRequested = FALSE;
8245 lastHint[0] = NULLCHAR;
8246 bookRequested = FALSE;
8247 /* Program may be pondering now */
8248 cps->maybeThinking = TRUE;
8249 if (cps->sendTime == 2) cps->sendTime = 1;
8250 if (cps->offeredDraw) cps->offeredDraw--;
8252 /* [AS] Save move info*/
8253 pvInfoList[ forwardMostMove ].score = programStats.score;
8254 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8255 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8257 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8259 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8260 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8263 while( count < adjudicateLossPlies ) {
8264 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8267 score = -score; /* Flip score for winning side */
8270 if( score > adjudicateLossThreshold ) {
8277 if( count >= adjudicateLossPlies ) {
8278 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8280 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8281 "Xboard adjudication",
8288 if(Adjudicate(cps)) {
8289 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8290 return; // [HGM] adjudicate: for all automatic game ends
8294 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8296 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8297 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8299 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8301 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8303 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8304 char buf[3*MSG_SIZ];
8306 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8307 programStats.score / 100.,
8309 programStats.time / 100.,
8310 (unsigned int)programStats.nodes,
8311 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8312 programStats.movelist);
8314 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8319 /* [AS] Clear stats for next move */
8320 ClearProgramStats();
8321 thinkOutput[0] = NULLCHAR;
8322 hiddenThinkOutputState = 0;
8325 if (gameMode == TwoMachinesPlay) {
8326 /* [HGM] relaying draw offers moved to after reception of move */
8327 /* and interpreting offer as claim if it brings draw condition */
8328 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8329 SendToProgram("draw\n", cps->other);
8331 if (cps->other->sendTime) {
8332 SendTimeRemaining(cps->other,
8333 cps->other->twoMachinesColor[0] == 'w');
8335 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8336 if (firstMove && !bookHit) {
8338 if (cps->other->useColors) {
8339 SendToProgram(cps->other->twoMachinesColor, cps->other);
8341 SendToProgram("go\n", cps->other);
8343 cps->other->maybeThinking = TRUE;
8346 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8348 if (!pausing && appData.ringBellAfterMoves) {
8353 * Reenable menu items that were disabled while
8354 * machine was thinking
8356 if (gameMode != TwoMachinesPlay)
8357 SetUserThinkingEnables();
8359 // [HGM] book: after book hit opponent has received move and is now in force mode
8360 // force the book reply into it, and then fake that it outputted this move by jumping
8361 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8363 static char bookMove[MSG_SIZ]; // a bit generous?
8365 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8366 strcat(bookMove, bookHit);
8369 programStats.nodes = programStats.depth = programStats.time =
8370 programStats.score = programStats.got_only_move = 0;
8371 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8373 if(cps->lastPing != cps->lastPong) {
8374 savedMessage = message; // args for deferred call
8376 ScheduleDelayedEvent(DeferredBookMove, 10);
8385 /* Set special modes for chess engines. Later something general
8386 * could be added here; for now there is just one kludge feature,
8387 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8388 * when "xboard" is given as an interactive command.
8390 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8391 cps->useSigint = FALSE;
8392 cps->useSigterm = FALSE;
8394 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8395 ParseFeatures(message+8, cps);
8396 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8399 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8400 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8401 int dummy, s=6; char buf[MSG_SIZ];
8402 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8403 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8404 if(startedFromSetupPosition) return;
8405 ParseFEN(boards[0], &dummy, message+s);
8406 DrawPosition(TRUE, boards[0]);
8407 startedFromSetupPosition = TRUE;
8410 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8411 * want this, I was asked to put it in, and obliged.
8413 if (!strncmp(message, "setboard ", 9)) {
8414 Board initial_position;
8416 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8418 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8419 DisplayError(_("Bad FEN received from engine"), 0);
8423 CopyBoard(boards[0], initial_position);
8424 initialRulePlies = FENrulePlies;
8425 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8426 else gameMode = MachinePlaysBlack;
8427 DrawPosition(FALSE, boards[currentMove]);
8433 * Look for communication commands
8435 if (!strncmp(message, "telluser ", 9)) {
8436 if(message[9] == '\\' && message[10] == '\\')
8437 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8439 DisplayNote(message + 9);
8442 if (!strncmp(message, "tellusererror ", 14)) {
8444 if(message[14] == '\\' && message[15] == '\\')
8445 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8447 DisplayError(message + 14, 0);
8450 if (!strncmp(message, "tellopponent ", 13)) {
8451 if (appData.icsActive) {
8453 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8457 DisplayNote(message + 13);
8461 if (!strncmp(message, "tellothers ", 11)) {
8462 if (appData.icsActive) {
8464 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8470 if (!strncmp(message, "tellall ", 8)) {
8471 if (appData.icsActive) {
8473 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8477 DisplayNote(message + 8);
8481 if (strncmp(message, "warning", 7) == 0) {
8482 /* Undocumented feature, use tellusererror in new code */
8483 DisplayError(message, 0);
8486 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8487 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8488 strcat(realname, " query");
8489 AskQuestion(realname, buf2, buf1, cps->pr);
8492 /* Commands from the engine directly to ICS. We don't allow these to be
8493 * sent until we are logged on. Crafty kibitzes have been known to
8494 * interfere with the login process.
8497 if (!strncmp(message, "tellics ", 8)) {
8498 SendToICS(message + 8);
8502 if (!strncmp(message, "tellicsnoalias ", 15)) {
8503 SendToICS(ics_prefix);
8504 SendToICS(message + 15);
8508 /* The following are for backward compatibility only */
8509 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8510 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8511 SendToICS(ics_prefix);
8517 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8521 * If the move is illegal, cancel it and redraw the board.
8522 * Also deal with other error cases. Matching is rather loose
8523 * here to accommodate engines written before the spec.
8525 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8526 strncmp(message, "Error", 5) == 0) {
8527 if (StrStr(message, "name") ||
8528 StrStr(message, "rating") || StrStr(message, "?") ||
8529 StrStr(message, "result") || StrStr(message, "board") ||
8530 StrStr(message, "bk") || StrStr(message, "computer") ||
8531 StrStr(message, "variant") || StrStr(message, "hint") ||
8532 StrStr(message, "random") || StrStr(message, "depth") ||
8533 StrStr(message, "accepted")) {
8536 if (StrStr(message, "protover")) {
8537 /* Program is responding to input, so it's apparently done
8538 initializing, and this error message indicates it is
8539 protocol version 1. So we don't need to wait any longer
8540 for it to initialize and send feature commands. */
8541 FeatureDone(cps, 1);
8542 cps->protocolVersion = 1;
8545 cps->maybeThinking = FALSE;
8547 if (StrStr(message, "draw")) {
8548 /* Program doesn't have "draw" command */
8549 cps->sendDrawOffers = 0;
8552 if (cps->sendTime != 1 &&
8553 (StrStr(message, "time") || StrStr(message, "otim"))) {
8554 /* Program apparently doesn't have "time" or "otim" command */
8558 if (StrStr(message, "analyze")) {
8559 cps->analysisSupport = FALSE;
8560 cps->analyzing = FALSE;
8561 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8562 EditGameEvent(); // [HGM] try to preserve loaded game
8563 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8564 DisplayError(buf2, 0);
8567 if (StrStr(message, "(no matching move)st")) {
8568 /* Special kludge for GNU Chess 4 only */
8569 cps->stKludge = TRUE;
8570 SendTimeControl(cps, movesPerSession, timeControl,
8571 timeIncrement, appData.searchDepth,
8575 if (StrStr(message, "(no matching move)sd")) {
8576 /* Special kludge for GNU Chess 4 only */
8577 cps->sdKludge = TRUE;
8578 SendTimeControl(cps, movesPerSession, timeControl,
8579 timeIncrement, appData.searchDepth,
8583 if (!StrStr(message, "llegal")) {
8586 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8587 gameMode == IcsIdle) return;
8588 if (forwardMostMove <= backwardMostMove) return;
8589 if (pausing) PauseEvent();
8590 if(appData.forceIllegal) {
8591 // [HGM] illegal: machine refused move; force position after move into it
8592 SendToProgram("force\n", cps);
8593 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8594 // we have a real problem now, as SendBoard will use the a2a3 kludge
8595 // when black is to move, while there might be nothing on a2 or black
8596 // might already have the move. So send the board as if white has the move.
8597 // But first we must change the stm of the engine, as it refused the last move
8598 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8599 if(WhiteOnMove(forwardMostMove)) {
8600 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8601 SendBoard(cps, forwardMostMove); // kludgeless board
8603 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8604 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8605 SendBoard(cps, forwardMostMove+1); // kludgeless board
8607 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8608 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8609 gameMode == TwoMachinesPlay)
8610 SendToProgram("go\n", cps);
8613 if (gameMode == PlayFromGameFile) {
8614 /* Stop reading this game file */
8615 gameMode = EditGame;
8618 /* [HGM] illegal-move claim should forfeit game when Xboard */
8619 /* only passes fully legal moves */
8620 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8621 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8622 "False illegal-move claim", GE_XBOARD );
8623 return; // do not take back move we tested as valid
8625 currentMove = forwardMostMove-1;
8626 DisplayMove(currentMove-1); /* before DisplayMoveError */
8627 SwitchClocks(forwardMostMove-1); // [HGM] race
8628 DisplayBothClocks();
8629 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8630 parseList[currentMove], _(cps->which));
8631 DisplayMoveError(buf1);
8632 DrawPosition(FALSE, boards[currentMove]);
8634 SetUserThinkingEnables();
8637 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8638 /* Program has a broken "time" command that
8639 outputs a string not ending in newline.
8645 * If chess program startup fails, exit with an error message.
8646 * Attempts to recover here are futile. [HGM] Well, we try anyway
8648 if ((StrStr(message, "unknown host") != NULL)
8649 || (StrStr(message, "No remote directory") != NULL)
8650 || (StrStr(message, "not found") != NULL)
8651 || (StrStr(message, "No such file") != NULL)
8652 || (StrStr(message, "can't alloc") != NULL)
8653 || (StrStr(message, "Permission denied") != NULL)) {
8655 cps->maybeThinking = FALSE;
8656 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8657 _(cps->which), cps->program, cps->host, message);
8658 RemoveInputSource(cps->isr);
8659 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8660 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8661 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8667 * Look for hint output
8669 if (sscanf(message, "Hint: %s", buf1) == 1) {
8670 if (cps == &first && hintRequested) {
8671 hintRequested = FALSE;
8672 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8673 &fromX, &fromY, &toX, &toY, &promoChar)) {
8674 (void) CoordsToAlgebraic(boards[forwardMostMove],
8675 PosFlags(forwardMostMove),
8676 fromY, fromX, toY, toX, promoChar, buf1);
8677 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8678 DisplayInformation(buf2);
8680 /* Hint move could not be parsed!? */
8681 snprintf(buf2, sizeof(buf2),
8682 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8683 buf1, _(cps->which));
8684 DisplayError(buf2, 0);
8687 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8693 * Ignore other messages if game is not in progress
8695 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8696 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8699 * look for win, lose, draw, or draw offer
8701 if (strncmp(message, "1-0", 3) == 0) {
8702 char *p, *q, *r = "";
8703 p = strchr(message, '{');
8711 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8713 } else if (strncmp(message, "0-1", 3) == 0) {
8714 char *p, *q, *r = "";
8715 p = strchr(message, '{');
8723 /* Kludge for Arasan 4.1 bug */
8724 if (strcmp(r, "Black resigns") == 0) {
8725 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8728 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8730 } else if (strncmp(message, "1/2", 3) == 0) {
8731 char *p, *q, *r = "";
8732 p = strchr(message, '{');
8741 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8744 } else if (strncmp(message, "White resign", 12) == 0) {
8745 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8747 } else if (strncmp(message, "Black resign", 12) == 0) {
8748 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8750 } else if (strncmp(message, "White matches", 13) == 0 ||
8751 strncmp(message, "Black matches", 13) == 0 ) {
8752 /* [HGM] ignore GNUShogi noises */
8754 } else if (strncmp(message, "White", 5) == 0 &&
8755 message[5] != '(' &&
8756 StrStr(message, "Black") == NULL) {
8757 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8759 } else if (strncmp(message, "Black", 5) == 0 &&
8760 message[5] != '(') {
8761 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8763 } else if (strcmp(message, "resign") == 0 ||
8764 strcmp(message, "computer resigns") == 0) {
8766 case MachinePlaysBlack:
8767 case IcsPlayingBlack:
8768 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8770 case MachinePlaysWhite:
8771 case IcsPlayingWhite:
8772 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8774 case TwoMachinesPlay:
8775 if (cps->twoMachinesColor[0] == 'w')
8776 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8778 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8785 } else if (strncmp(message, "opponent mates", 14) == 0) {
8787 case MachinePlaysBlack:
8788 case IcsPlayingBlack:
8789 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8791 case MachinePlaysWhite:
8792 case IcsPlayingWhite:
8793 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8795 case TwoMachinesPlay:
8796 if (cps->twoMachinesColor[0] == 'w')
8797 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8799 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8806 } else if (strncmp(message, "computer mates", 14) == 0) {
8808 case MachinePlaysBlack:
8809 case IcsPlayingBlack:
8810 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8812 case MachinePlaysWhite:
8813 case IcsPlayingWhite:
8814 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8816 case TwoMachinesPlay:
8817 if (cps->twoMachinesColor[0] == 'w')
8818 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8820 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8827 } else if (strncmp(message, "checkmate", 9) == 0) {
8828 if (WhiteOnMove(forwardMostMove)) {
8829 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8831 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8834 } else if (strstr(message, "Draw") != NULL ||
8835 strstr(message, "game is a draw") != NULL) {
8836 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8838 } else if (strstr(message, "offer") != NULL &&
8839 strstr(message, "draw") != NULL) {
8841 if (appData.zippyPlay && first.initDone) {
8842 /* Relay offer to ICS */
8843 SendToICS(ics_prefix);
8844 SendToICS("draw\n");
8847 cps->offeredDraw = 2; /* valid until this engine moves twice */
8848 if (gameMode == TwoMachinesPlay) {
8849 if (cps->other->offeredDraw) {
8850 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8851 /* [HGM] in two-machine mode we delay relaying draw offer */
8852 /* until after we also have move, to see if it is really claim */
8854 } else if (gameMode == MachinePlaysWhite ||
8855 gameMode == MachinePlaysBlack) {
8856 if (userOfferedDraw) {
8857 DisplayInformation(_("Machine accepts your draw offer"));
8858 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8860 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8867 * Look for thinking output
8869 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8870 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8872 int plylev, mvleft, mvtot, curscore, time;
8873 char mvname[MOVE_LEN];
8877 int prefixHint = FALSE;
8878 mvname[0] = NULLCHAR;
8881 case MachinePlaysBlack:
8882 case IcsPlayingBlack:
8883 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8885 case MachinePlaysWhite:
8886 case IcsPlayingWhite:
8887 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8892 case IcsObserving: /* [DM] icsEngineAnalyze */
8893 if (!appData.icsEngineAnalyze) ignore = TRUE;
8895 case TwoMachinesPlay:
8896 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8906 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8908 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8909 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8911 if (plyext != ' ' && plyext != '\t') {
8915 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8916 if( cps->scoreIsAbsolute &&
8917 ( gameMode == MachinePlaysBlack ||
8918 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8919 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8920 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8921 !WhiteOnMove(currentMove)
8924 curscore = -curscore;
8927 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8929 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8932 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8933 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8934 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8935 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8936 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8937 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8939 } else DisplayError(_("failed writing PV"), 0);
8942 tempStats.depth = plylev;
8943 tempStats.nodes = nodes;
8944 tempStats.time = time;
8945 tempStats.score = curscore;
8946 tempStats.got_only_move = 0;
8948 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8951 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8952 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8953 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8954 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8955 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8956 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8957 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8958 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8961 /* Buffer overflow protection */
8962 if (pv[0] != NULLCHAR) {
8963 if (strlen(pv) >= sizeof(tempStats.movelist)
8964 && appData.debugMode) {
8966 "PV is too long; using the first %u bytes.\n",
8967 (unsigned) sizeof(tempStats.movelist) - 1);
8970 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8972 sprintf(tempStats.movelist, " no PV\n");
8975 if (tempStats.seen_stat) {
8976 tempStats.ok_to_send = 1;
8979 if (strchr(tempStats.movelist, '(') != NULL) {
8980 tempStats.line_is_book = 1;
8981 tempStats.nr_moves = 0;
8982 tempStats.moves_left = 0;
8984 tempStats.line_is_book = 0;
8987 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8988 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8990 SendProgramStatsToFrontend( cps, &tempStats );
8993 [AS] Protect the thinkOutput buffer from overflow... this
8994 is only useful if buf1 hasn't overflowed first!
8996 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8998 (gameMode == TwoMachinesPlay ?
8999 ToUpper(cps->twoMachinesColor[0]) : ' '),
9000 ((double) curscore) / 100.0,
9001 prefixHint ? lastHint : "",
9002 prefixHint ? " " : "" );
9004 if( buf1[0] != NULLCHAR ) {
9005 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9007 if( strlen(pv) > max_len ) {
9008 if( appData.debugMode) {
9009 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9011 pv[max_len+1] = '\0';
9014 strcat( thinkOutput, pv);
9017 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9018 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9019 DisplayMove(currentMove - 1);
9023 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9024 /* crafty (9.25+) says "(only move) <move>"
9025 * if there is only 1 legal move
9027 sscanf(p, "(only move) %s", buf1);
9028 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9029 sprintf(programStats.movelist, "%s (only move)", buf1);
9030 programStats.depth = 1;
9031 programStats.nr_moves = 1;
9032 programStats.moves_left = 1;
9033 programStats.nodes = 1;
9034 programStats.time = 1;
9035 programStats.got_only_move = 1;
9037 /* Not really, but we also use this member to
9038 mean "line isn't going to change" (Crafty
9039 isn't searching, so stats won't change) */
9040 programStats.line_is_book = 1;
9042 SendProgramStatsToFrontend( cps, &programStats );
9044 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9045 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9046 DisplayMove(currentMove - 1);
9049 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9050 &time, &nodes, &plylev, &mvleft,
9051 &mvtot, mvname) >= 5) {
9052 /* The stat01: line is from Crafty (9.29+) in response
9053 to the "." command */
9054 programStats.seen_stat = 1;
9055 cps->maybeThinking = TRUE;
9057 if (programStats.got_only_move || !appData.periodicUpdates)
9060 programStats.depth = plylev;
9061 programStats.time = time;
9062 programStats.nodes = nodes;
9063 programStats.moves_left = mvleft;
9064 programStats.nr_moves = mvtot;
9065 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9066 programStats.ok_to_send = 1;
9067 programStats.movelist[0] = '\0';
9069 SendProgramStatsToFrontend( cps, &programStats );
9073 } else if (strncmp(message,"++",2) == 0) {
9074 /* Crafty 9.29+ outputs this */
9075 programStats.got_fail = 2;
9078 } else if (strncmp(message,"--",2) == 0) {
9079 /* Crafty 9.29+ outputs this */
9080 programStats.got_fail = 1;
9083 } else if (thinkOutput[0] != NULLCHAR &&
9084 strncmp(message, " ", 4) == 0) {
9085 unsigned message_len;
9088 while (*p && *p == ' ') p++;
9090 message_len = strlen( p );
9092 /* [AS] Avoid buffer overflow */
9093 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9094 strcat(thinkOutput, " ");
9095 strcat(thinkOutput, p);
9098 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9099 strcat(programStats.movelist, " ");
9100 strcat(programStats.movelist, p);
9103 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9104 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9105 DisplayMove(currentMove - 1);
9113 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9114 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9116 ChessProgramStats cpstats;
9118 if (plyext != ' ' && plyext != '\t') {
9122 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9123 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9124 curscore = -curscore;
9127 cpstats.depth = plylev;
9128 cpstats.nodes = nodes;
9129 cpstats.time = time;
9130 cpstats.score = curscore;
9131 cpstats.got_only_move = 0;
9132 cpstats.movelist[0] = '\0';
9134 if (buf1[0] != NULLCHAR) {
9135 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9138 cpstats.ok_to_send = 0;
9139 cpstats.line_is_book = 0;
9140 cpstats.nr_moves = 0;
9141 cpstats.moves_left = 0;
9143 SendProgramStatsToFrontend( cps, &cpstats );
9150 /* Parse a game score from the character string "game", and
9151 record it as the history of the current game. The game
9152 score is NOT assumed to start from the standard position.
9153 The display is not updated in any way.
9156 ParseGameHistory (char *game)
9159 int fromX, fromY, toX, toY, boardIndex;
9164 if (appData.debugMode)
9165 fprintf(debugFP, "Parsing game history: %s\n", game);
9167 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9168 gameInfo.site = StrSave(appData.icsHost);
9169 gameInfo.date = PGNDate();
9170 gameInfo.round = StrSave("-");
9172 /* Parse out names of players */
9173 while (*game == ' ') game++;
9175 while (*game != ' ') *p++ = *game++;
9177 gameInfo.white = StrSave(buf);
9178 while (*game == ' ') game++;
9180 while (*game != ' ' && *game != '\n') *p++ = *game++;
9182 gameInfo.black = StrSave(buf);
9185 boardIndex = blackPlaysFirst ? 1 : 0;
9188 yyboardindex = boardIndex;
9189 moveType = (ChessMove) Myylex();
9191 case IllegalMove: /* maybe suicide chess, etc. */
9192 if (appData.debugMode) {
9193 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9194 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9195 setbuf(debugFP, NULL);
9197 case WhitePromotion:
9198 case BlackPromotion:
9199 case WhiteNonPromotion:
9200 case BlackNonPromotion:
9202 case WhiteCapturesEnPassant:
9203 case BlackCapturesEnPassant:
9204 case WhiteKingSideCastle:
9205 case WhiteQueenSideCastle:
9206 case BlackKingSideCastle:
9207 case BlackQueenSideCastle:
9208 case WhiteKingSideCastleWild:
9209 case WhiteQueenSideCastleWild:
9210 case BlackKingSideCastleWild:
9211 case BlackQueenSideCastleWild:
9213 case WhiteHSideCastleFR:
9214 case WhiteASideCastleFR:
9215 case BlackHSideCastleFR:
9216 case BlackASideCastleFR:
9218 fromX = currentMoveString[0] - AAA;
9219 fromY = currentMoveString[1] - ONE;
9220 toX = currentMoveString[2] - AAA;
9221 toY = currentMoveString[3] - ONE;
9222 promoChar = currentMoveString[4];
9226 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9227 fromX = moveType == WhiteDrop ?
9228 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9229 (int) CharToPiece(ToLower(currentMoveString[0]));
9231 toX = currentMoveString[2] - AAA;
9232 toY = currentMoveString[3] - ONE;
9233 promoChar = NULLCHAR;
9237 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9238 if (appData.debugMode) {
9239 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9240 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9241 setbuf(debugFP, NULL);
9243 DisplayError(buf, 0);
9245 case ImpossibleMove:
9247 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9248 if (appData.debugMode) {
9249 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9250 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9251 setbuf(debugFP, NULL);
9253 DisplayError(buf, 0);
9256 if (boardIndex < backwardMostMove) {
9257 /* Oops, gap. How did that happen? */
9258 DisplayError(_("Gap in move list"), 0);
9261 backwardMostMove = blackPlaysFirst ? 1 : 0;
9262 if (boardIndex > forwardMostMove) {
9263 forwardMostMove = boardIndex;
9267 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9268 strcat(parseList[boardIndex-1], " ");
9269 strcat(parseList[boardIndex-1], yy_text);
9281 case GameUnfinished:
9282 if (gameMode == IcsExamining) {
9283 if (boardIndex < backwardMostMove) {
9284 /* Oops, gap. How did that happen? */
9287 backwardMostMove = blackPlaysFirst ? 1 : 0;
9290 gameInfo.result = moveType;
9291 p = strchr(yy_text, '{');
9292 if (p == NULL) p = strchr(yy_text, '(');
9295 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9297 q = strchr(p, *p == '{' ? '}' : ')');
9298 if (q != NULL) *q = NULLCHAR;
9301 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9302 gameInfo.resultDetails = StrSave(p);
9305 if (boardIndex >= forwardMostMove &&
9306 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9307 backwardMostMove = blackPlaysFirst ? 1 : 0;
9310 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9311 fromY, fromX, toY, toX, promoChar,
9312 parseList[boardIndex]);
9313 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9314 /* currentMoveString is set as a side-effect of yylex */
9315 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9316 strcat(moveList[boardIndex], "\n");
9318 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9319 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9325 if(gameInfo.variant != VariantShogi)
9326 strcat(parseList[boardIndex - 1], "+");
9330 strcat(parseList[boardIndex - 1], "#");
9337 /* Apply a move to the given board */
9339 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9341 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9342 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9344 /* [HGM] compute & store e.p. status and castling rights for new position */
9345 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9347 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9348 oldEP = (signed char)board[EP_STATUS];
9349 board[EP_STATUS] = EP_NONE;
9351 if (fromY == DROP_RANK) {
9353 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9354 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9357 piece = board[toY][toX] = (ChessSquare) fromX;
9361 if( board[toY][toX] != EmptySquare )
9362 board[EP_STATUS] = EP_CAPTURE;
9364 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9365 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9366 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9368 if( board[fromY][fromX] == WhitePawn ) {
9369 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9370 board[EP_STATUS] = EP_PAWN_MOVE;
9372 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9373 gameInfo.variant != VariantBerolina || toX < fromX)
9374 board[EP_STATUS] = toX | berolina;
9375 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9376 gameInfo.variant != VariantBerolina || toX > fromX)
9377 board[EP_STATUS] = toX;
9380 if( board[fromY][fromX] == BlackPawn ) {
9381 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9382 board[EP_STATUS] = EP_PAWN_MOVE;
9383 if( toY-fromY== -2) {
9384 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9385 gameInfo.variant != VariantBerolina || toX < fromX)
9386 board[EP_STATUS] = toX | berolina;
9387 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9388 gameInfo.variant != VariantBerolina || toX > fromX)
9389 board[EP_STATUS] = toX;
9393 for(i=0; i<nrCastlingRights; i++) {
9394 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9395 board[CASTLING][i] == toX && castlingRank[i] == toY
9396 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9399 if(gameInfo.variant == VariantSChess) { // update virginity
9400 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9401 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9402 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9403 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9406 if (fromX == toX && fromY == toY) return;
9408 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9409 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9410 if(gameInfo.variant == VariantKnightmate)
9411 king += (int) WhiteUnicorn - (int) WhiteKing;
9413 /* Code added by Tord: */
9414 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9415 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9416 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9417 board[fromY][fromX] = EmptySquare;
9418 board[toY][toX] = EmptySquare;
9419 if((toX > fromX) != (piece == WhiteRook)) {
9420 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9422 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9424 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9425 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9426 board[fromY][fromX] = EmptySquare;
9427 board[toY][toX] = EmptySquare;
9428 if((toX > fromX) != (piece == BlackRook)) {
9429 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9431 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9433 /* End of code added by Tord */
9435 } else if (board[fromY][fromX] == king
9436 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9437 && toY == fromY && toX > fromX+1) {
9438 board[fromY][fromX] = EmptySquare;
9439 board[toY][toX] = king;
9440 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9441 board[fromY][BOARD_RGHT-1] = EmptySquare;
9442 } else if (board[fromY][fromX] == king
9443 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9444 && toY == fromY && toX < fromX-1) {
9445 board[fromY][fromX] = EmptySquare;
9446 board[toY][toX] = king;
9447 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9448 board[fromY][BOARD_LEFT] = EmptySquare;
9449 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9450 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9451 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9453 /* white pawn promotion */
9454 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9455 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9456 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9457 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9458 board[fromY][fromX] = EmptySquare;
9459 } else if ((fromY >= BOARD_HEIGHT>>1)
9461 && gameInfo.variant != VariantXiangqi
9462 && gameInfo.variant != VariantBerolina
9463 && (board[fromY][fromX] == WhitePawn)
9464 && (board[toY][toX] == EmptySquare)) {
9465 board[fromY][fromX] = EmptySquare;
9466 board[toY][toX] = WhitePawn;
9467 captured = board[toY - 1][toX];
9468 board[toY - 1][toX] = EmptySquare;
9469 } else if ((fromY == BOARD_HEIGHT-4)
9471 && gameInfo.variant == VariantBerolina
9472 && (board[fromY][fromX] == WhitePawn)
9473 && (board[toY][toX] == EmptySquare)) {
9474 board[fromY][fromX] = EmptySquare;
9475 board[toY][toX] = WhitePawn;
9476 if(oldEP & EP_BEROLIN_A) {
9477 captured = board[fromY][fromX-1];
9478 board[fromY][fromX-1] = EmptySquare;
9479 }else{ captured = board[fromY][fromX+1];
9480 board[fromY][fromX+1] = EmptySquare;
9482 } else if (board[fromY][fromX] == king
9483 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9484 && toY == fromY && toX > fromX+1) {
9485 board[fromY][fromX] = EmptySquare;
9486 board[toY][toX] = king;
9487 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9488 board[fromY][BOARD_RGHT-1] = EmptySquare;
9489 } else if (board[fromY][fromX] == king
9490 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9491 && toY == fromY && toX < fromX-1) {
9492 board[fromY][fromX] = EmptySquare;
9493 board[toY][toX] = king;
9494 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9495 board[fromY][BOARD_LEFT] = EmptySquare;
9496 } else if (fromY == 7 && fromX == 3
9497 && board[fromY][fromX] == BlackKing
9498 && toY == 7 && toX == 5) {
9499 board[fromY][fromX] = EmptySquare;
9500 board[toY][toX] = BlackKing;
9501 board[fromY][7] = EmptySquare;
9502 board[toY][4] = BlackRook;
9503 } else if (fromY == 7 && fromX == 3
9504 && board[fromY][fromX] == BlackKing
9505 && toY == 7 && toX == 1) {
9506 board[fromY][fromX] = EmptySquare;
9507 board[toY][toX] = BlackKing;
9508 board[fromY][0] = EmptySquare;
9509 board[toY][2] = BlackRook;
9510 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9511 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9512 && toY < promoRank && promoChar
9514 /* black pawn promotion */
9515 board[toY][toX] = CharToPiece(ToLower(promoChar));
9516 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9517 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9518 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9519 board[fromY][fromX] = EmptySquare;
9520 } else if ((fromY < BOARD_HEIGHT>>1)
9522 && gameInfo.variant != VariantXiangqi
9523 && gameInfo.variant != VariantBerolina
9524 && (board[fromY][fromX] == BlackPawn)
9525 && (board[toY][toX] == EmptySquare)) {
9526 board[fromY][fromX] = EmptySquare;
9527 board[toY][toX] = BlackPawn;
9528 captured = board[toY + 1][toX];
9529 board[toY + 1][toX] = EmptySquare;
9530 } else if ((fromY == 3)
9532 && gameInfo.variant == VariantBerolina
9533 && (board[fromY][fromX] == BlackPawn)
9534 && (board[toY][toX] == EmptySquare)) {
9535 board[fromY][fromX] = EmptySquare;
9536 board[toY][toX] = BlackPawn;
9537 if(oldEP & EP_BEROLIN_A) {
9538 captured = board[fromY][fromX-1];
9539 board[fromY][fromX-1] = EmptySquare;
9540 }else{ captured = board[fromY][fromX+1];
9541 board[fromY][fromX+1] = EmptySquare;
9544 board[toY][toX] = board[fromY][fromX];
9545 board[fromY][fromX] = EmptySquare;
9549 if (gameInfo.holdingsWidth != 0) {
9551 /* !!A lot more code needs to be written to support holdings */
9552 /* [HGM] OK, so I have written it. Holdings are stored in the */
9553 /* penultimate board files, so they are automaticlly stored */
9554 /* in the game history. */
9555 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9556 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9557 /* Delete from holdings, by decreasing count */
9558 /* and erasing image if necessary */
9559 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9560 if(p < (int) BlackPawn) { /* white drop */
9561 p -= (int)WhitePawn;
9562 p = PieceToNumber((ChessSquare)p);
9563 if(p >= gameInfo.holdingsSize) p = 0;
9564 if(--board[p][BOARD_WIDTH-2] <= 0)
9565 board[p][BOARD_WIDTH-1] = EmptySquare;
9566 if((int)board[p][BOARD_WIDTH-2] < 0)
9567 board[p][BOARD_WIDTH-2] = 0;
9568 } else { /* black drop */
9569 p -= (int)BlackPawn;
9570 p = PieceToNumber((ChessSquare)p);
9571 if(p >= gameInfo.holdingsSize) p = 0;
9572 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9573 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9574 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9575 board[BOARD_HEIGHT-1-p][1] = 0;
9578 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9579 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9580 /* [HGM] holdings: Add to holdings, if holdings exist */
9581 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9582 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9583 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9586 if (p >= (int) BlackPawn) {
9587 p -= (int)BlackPawn;
9588 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9589 /* in Shogi restore piece to its original first */
9590 captured = (ChessSquare) (DEMOTED captured);
9593 p = PieceToNumber((ChessSquare)p);
9594 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9595 board[p][BOARD_WIDTH-2]++;
9596 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9598 p -= (int)WhitePawn;
9599 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9600 captured = (ChessSquare) (DEMOTED captured);
9603 p = PieceToNumber((ChessSquare)p);
9604 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9605 board[BOARD_HEIGHT-1-p][1]++;
9606 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9609 } else if (gameInfo.variant == VariantAtomic) {
9610 if (captured != EmptySquare) {
9612 for (y = toY-1; y <= toY+1; y++) {
9613 for (x = toX-1; x <= toX+1; x++) {
9614 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9615 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9616 board[y][x] = EmptySquare;
9620 board[toY][toX] = EmptySquare;
9623 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9624 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9626 if(promoChar == '+') {
9627 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9628 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9629 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9630 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9631 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9632 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9633 board[toY][toX] = newPiece;
9635 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9636 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9637 // [HGM] superchess: take promotion piece out of holdings
9638 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9639 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9640 if(!--board[k][BOARD_WIDTH-2])
9641 board[k][BOARD_WIDTH-1] = EmptySquare;
9643 if(!--board[BOARD_HEIGHT-1-k][1])
9644 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9650 /* Updates forwardMostMove */
9652 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9654 // forwardMostMove++; // [HGM] bare: moved downstream
9656 (void) CoordsToAlgebraic(boards[forwardMostMove],
9657 PosFlags(forwardMostMove),
9658 fromY, fromX, toY, toX, promoChar,
9659 parseList[forwardMostMove]);
9661 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9662 int timeLeft; static int lastLoadFlag=0; int king, piece;
9663 piece = boards[forwardMostMove][fromY][fromX];
9664 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9665 if(gameInfo.variant == VariantKnightmate)
9666 king += (int) WhiteUnicorn - (int) WhiteKing;
9667 if(forwardMostMove == 0) {
9668 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9669 fprintf(serverMoves, "%s;", UserName());
9670 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9671 fprintf(serverMoves, "%s;", second.tidy);
9672 fprintf(serverMoves, "%s;", first.tidy);
9673 if(gameMode == MachinePlaysWhite)
9674 fprintf(serverMoves, "%s;", UserName());
9675 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9676 fprintf(serverMoves, "%s;", second.tidy);
9677 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9678 lastLoadFlag = loadFlag;
9680 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9681 // print castling suffix
9682 if( toY == fromY && piece == king ) {
9684 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9686 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9689 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9690 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9691 boards[forwardMostMove][toY][toX] == EmptySquare
9692 && fromX != toX && fromY != toY)
9693 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9695 if(promoChar != NULLCHAR) {
9696 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9697 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9698 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9699 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9702 char buf[MOVE_LEN*2], *p; int len;
9703 fprintf(serverMoves, "/%d/%d",
9704 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9705 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9706 else timeLeft = blackTimeRemaining/1000;
9707 fprintf(serverMoves, "/%d", timeLeft);
9708 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9709 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9710 if(p = strchr(buf, '=')) *p = NULLCHAR;
9711 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9712 fprintf(serverMoves, "/%s", buf);
9714 fflush(serverMoves);
9717 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9718 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9721 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9722 if (commentList[forwardMostMove+1] != NULL) {
9723 free(commentList[forwardMostMove+1]);
9724 commentList[forwardMostMove+1] = NULL;
9726 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9727 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9728 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9729 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9730 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9731 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9732 adjustedClock = FALSE;
9733 gameInfo.result = GameUnfinished;
9734 if (gameInfo.resultDetails != NULL) {
9735 free(gameInfo.resultDetails);
9736 gameInfo.resultDetails = NULL;
9738 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9739 moveList[forwardMostMove - 1]);
9740 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9746 if(gameInfo.variant != VariantShogi)
9747 strcat(parseList[forwardMostMove - 1], "+");
9751 strcat(parseList[forwardMostMove - 1], "#");
9757 /* Updates currentMove if not pausing */
9759 ShowMove (int fromX, int fromY, int toX, int toY)
9761 int instant = (gameMode == PlayFromGameFile) ?
9762 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9763 if(appData.noGUI) return;
9764 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9766 if (forwardMostMove == currentMove + 1) {
9767 AnimateMove(boards[forwardMostMove - 1],
9768 fromX, fromY, toX, toY);
9771 currentMove = forwardMostMove;
9774 if (instant) return;
9776 DisplayMove(currentMove - 1);
9777 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9778 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9779 SetHighlights(fromX, fromY, toX, toY);
9782 DrawPosition(FALSE, boards[currentMove]);
9783 DisplayBothClocks();
9784 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9788 SendEgtPath (ChessProgramState *cps)
9789 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9790 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9792 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9795 char c, *q = name+1, *r, *s;
9797 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9798 while(*p && *p != ',') *q++ = *p++;
9800 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9801 strcmp(name, ",nalimov:") == 0 ) {
9802 // take nalimov path from the menu-changeable option first, if it is defined
9803 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9804 SendToProgram(buf,cps); // send egtbpath command for nalimov
9806 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9807 (s = StrStr(appData.egtFormats, name)) != NULL) {
9808 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9809 s = r = StrStr(s, ":") + 1; // beginning of path info
9810 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9811 c = *r; *r = 0; // temporarily null-terminate path info
9812 *--q = 0; // strip of trailig ':' from name
9813 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9815 SendToProgram(buf,cps); // send egtbpath command for this format
9817 if(*p == ',') p++; // read away comma to position for next format name
9822 InitChessProgram (ChessProgramState *cps, int setup)
9823 /* setup needed to setup FRC opening position */
9825 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9826 if (appData.noChessProgram) return;
9827 hintRequested = FALSE;
9828 bookRequested = FALSE;
9830 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9831 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9832 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9833 if(cps->memSize) { /* [HGM] memory */
9834 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9835 SendToProgram(buf, cps);
9837 SendEgtPath(cps); /* [HGM] EGT */
9838 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9839 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9840 SendToProgram(buf, cps);
9843 SendToProgram(cps->initString, cps);
9844 if (gameInfo.variant != VariantNormal &&
9845 gameInfo.variant != VariantLoadable
9846 /* [HGM] also send variant if board size non-standard */
9847 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9849 char *v = VariantName(gameInfo.variant);
9850 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9851 /* [HGM] in protocol 1 we have to assume all variants valid */
9852 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9853 DisplayFatalError(buf, 0, 1);
9857 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9858 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9859 if( gameInfo.variant == VariantXiangqi )
9860 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9861 if( gameInfo.variant == VariantShogi )
9862 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9863 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9864 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9865 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9866 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9867 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9868 if( gameInfo.variant == VariantCourier )
9869 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9870 if( gameInfo.variant == VariantSuper )
9871 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9872 if( gameInfo.variant == VariantGreat )
9873 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9874 if( gameInfo.variant == VariantSChess )
9875 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9876 if( gameInfo.variant == VariantGrand )
9877 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9880 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9881 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9882 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9883 if(StrStr(cps->variants, b) == NULL) {
9884 // specific sized variant not known, check if general sizing allowed
9885 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9886 if(StrStr(cps->variants, "boardsize") == NULL) {
9887 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9888 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9889 DisplayFatalError(buf, 0, 1);
9892 /* [HGM] here we really should compare with the maximum supported board size */
9895 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9896 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9897 SendToProgram(buf, cps);
9899 currentlyInitializedVariant = gameInfo.variant;
9901 /* [HGM] send opening position in FRC to first engine */
9903 SendToProgram("force\n", cps);
9905 /* engine is now in force mode! Set flag to wake it up after first move. */
9906 setboardSpoiledMachineBlack = 1;
9910 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9911 SendToProgram(buf, cps);
9913 cps->maybeThinking = FALSE;
9914 cps->offeredDraw = 0;
9915 if (!appData.icsActive) {
9916 SendTimeControl(cps, movesPerSession, timeControl,
9917 timeIncrement, appData.searchDepth,
9920 if (appData.showThinking
9921 // [HGM] thinking: four options require thinking output to be sent
9922 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9924 SendToProgram("post\n", cps);
9926 SendToProgram("hard\n", cps);
9927 if (!appData.ponderNextMove) {
9928 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9929 it without being sure what state we are in first. "hard"
9930 is not a toggle, so that one is OK.
9932 SendToProgram("easy\n", cps);
9935 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9936 SendToProgram(buf, cps);
9938 cps->initDone = TRUE;
9939 ClearEngineOutputPane(cps == &second);
9944 StartChessProgram (ChessProgramState *cps)
9949 if (appData.noChessProgram) return;
9950 cps->initDone = FALSE;
9952 if (strcmp(cps->host, "localhost") == 0) {
9953 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9954 } else if (*appData.remoteShell == NULLCHAR) {
9955 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9957 if (*appData.remoteUser == NULLCHAR) {
9958 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9961 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9962 cps->host, appData.remoteUser, cps->program);
9964 err = StartChildProcess(buf, "", &cps->pr);
9968 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9969 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9970 if(cps != &first) return;
9971 appData.noChessProgram = TRUE;
9974 // DisplayFatalError(buf, err, 1);
9975 // cps->pr = NoProc;
9980 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9981 if (cps->protocolVersion > 1) {
9982 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9983 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9984 cps->comboCnt = 0; // and values of combo boxes
9985 SendToProgram(buf, cps);
9987 SendToProgram("xboard\n", cps);
9992 TwoMachinesEventIfReady P((void))
9994 static int curMess = 0;
9995 if (first.lastPing != first.lastPong) {
9996 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9997 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10000 if (second.lastPing != second.lastPong) {
10001 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10002 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10005 DisplayMessage("", ""); curMess = 0;
10007 TwoMachinesEvent();
10011 MakeName (char *template)
10015 static char buf[MSG_SIZ];
10019 clock = time((time_t *)NULL);
10020 tm = localtime(&clock);
10022 while(*p++ = *template++) if(p[-1] == '%') {
10023 switch(*template++) {
10024 case 0: *p = 0; return buf;
10025 case 'Y': i = tm->tm_year+1900; break;
10026 case 'y': i = tm->tm_year-100; break;
10027 case 'M': i = tm->tm_mon+1; break;
10028 case 'd': i = tm->tm_mday; break;
10029 case 'h': i = tm->tm_hour; break;
10030 case 'm': i = tm->tm_min; break;
10031 case 's': i = tm->tm_sec; break;
10034 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10040 CountPlayers (char *p)
10043 while(p = strchr(p, '\n')) p++, n++; // count participants
10048 WriteTourneyFile (char *results, FILE *f)
10049 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10050 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10051 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10052 // create a file with tournament description
10053 fprintf(f, "-participants {%s}\n", appData.participants);
10054 fprintf(f, "-seedBase %d\n", appData.seedBase);
10055 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10056 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10057 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10058 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10059 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10060 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10061 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10062 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10063 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10064 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10065 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10066 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10068 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10070 fprintf(f, "-mps %d\n", appData.movesPerSession);
10071 fprintf(f, "-tc %s\n", appData.timeControl);
10072 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10074 fprintf(f, "-results \"%s\"\n", results);
10079 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10082 Substitute (char *participants, int expunge)
10084 int i, changed, changes=0, nPlayers=0;
10085 char *p, *q, *r, buf[MSG_SIZ];
10086 if(participants == NULL) return;
10087 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10088 r = p = participants; q = appData.participants;
10089 while(*p && *p == *q) {
10090 if(*p == '\n') r = p+1, nPlayers++;
10093 if(*p) { // difference
10094 while(*p && *p++ != '\n');
10095 while(*q && *q++ != '\n');
10096 changed = nPlayers;
10097 changes = 1 + (strcmp(p, q) != 0);
10099 if(changes == 1) { // a single engine mnemonic was changed
10100 q = r; while(*q) nPlayers += (*q++ == '\n');
10101 p = buf; while(*r && (*p = *r++) != '\n') p++;
10103 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10104 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10105 if(mnemonic[i]) { // The substitute is valid
10107 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10108 flock(fileno(f), LOCK_EX);
10109 ParseArgsFromFile(f);
10110 fseek(f, 0, SEEK_SET);
10111 FREE(appData.participants); appData.participants = participants;
10112 if(expunge) { // erase results of replaced engine
10113 int len = strlen(appData.results), w, b, dummy;
10114 for(i=0; i<len; i++) {
10115 Pairing(i, nPlayers, &w, &b, &dummy);
10116 if((w == changed || b == changed) && appData.results[i] == '*') {
10117 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10122 for(i=0; i<len; i++) {
10123 Pairing(i, nPlayers, &w, &b, &dummy);
10124 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10127 WriteTourneyFile(appData.results, f);
10128 fclose(f); // release lock
10131 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10133 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10134 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10135 free(participants);
10140 CheckPlayers (char *participants)
10143 char buf[MSG_SIZ], *p;
10144 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10145 while(p = strchr(participants, '\n')) {
10147 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10149 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10151 DisplayError(buf, 0);
10155 participants = p + 1;
10161 CreateTourney (char *name)
10164 if(matchMode && strcmp(name, appData.tourneyFile)) {
10165 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10167 if(name[0] == NULLCHAR) {
10168 if(appData.participants[0])
10169 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10172 f = fopen(name, "r");
10173 if(f) { // file exists
10174 ASSIGN(appData.tourneyFile, name);
10175 ParseArgsFromFile(f); // parse it
10177 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10178 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10179 DisplayError(_("Not enough participants"), 0);
10182 if(CheckPlayers(appData.participants)) return 0;
10183 ASSIGN(appData.tourneyFile, name);
10184 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10185 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10188 appData.noChessProgram = FALSE;
10189 appData.clockMode = TRUE;
10195 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10197 char buf[MSG_SIZ], *p, *q;
10198 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10199 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10200 skip = !all && group[0]; // if group requested, we start in skip mode
10201 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10202 p = names; q = buf; header = 0;
10203 while(*p && *p != '\n') *q++ = *p++;
10205 if(*p == '\n') p++;
10206 if(buf[0] == '#') {
10207 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10208 depth++; // we must be entering a new group
10209 if(all) continue; // suppress printing group headers when complete list requested
10211 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10213 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10214 if(engineList[i]) free(engineList[i]);
10215 engineList[i] = strdup(buf);
10216 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10217 if(engineMnemonic[i]) free(engineMnemonic[i]);
10218 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10220 sscanf(q + 8, "%s", buf + strlen(buf));
10223 engineMnemonic[i] = strdup(buf);
10226 engineList[i] = engineMnemonic[i] = NULL;
10230 // following implemented as macro to avoid type limitations
10231 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10234 SwapEngines (int n)
10235 { // swap settings for first engine and other engine (so far only some selected options)
10240 SWAP(chessProgram, p)
10242 SWAP(hasOwnBookUCI, h)
10243 SWAP(protocolVersion, h)
10245 SWAP(scoreIsAbsolute, h)
10250 SWAP(engOptions, p)
10251 SWAP(engInitString, p)
10252 SWAP(computerString, p)
10254 SWAP(fenOverride, p)
10256 SWAP(accumulateTC, h)
10261 GetEngineLine (char *s, int n)
10265 extern char *icsNames;
10266 if(!s || !*s) return 0;
10267 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10268 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10269 if(!mnemonic[i]) return 0;
10270 if(n == 11) return 1; // just testing if there was a match
10271 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10272 if(n == 1) SwapEngines(n);
10273 ParseArgsFromString(buf);
10274 if(n == 1) SwapEngines(n);
10275 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10276 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10277 ParseArgsFromString(buf);
10283 SetPlayer (int player, char *p)
10284 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10286 char buf[MSG_SIZ], *engineName;
10287 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10288 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10289 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10291 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10292 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10293 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10294 ParseArgsFromString(buf);
10300 char *recentEngines;
10303 RecentEngineEvent (int nr)
10306 // SwapEngines(1); // bump first to second
10307 // ReplaceEngine(&second, 1); // and load it there
10308 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10309 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10310 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10311 ReplaceEngine(&first, 0);
10312 FloatToFront(&appData.recentEngineList, command[n]);
10317 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10318 { // determine players from game number
10319 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10321 if(appData.tourneyType == 0) {
10322 roundsPerCycle = (nPlayers - 1) | 1;
10323 pairingsPerRound = nPlayers / 2;
10324 } else if(appData.tourneyType > 0) {
10325 roundsPerCycle = nPlayers - appData.tourneyType;
10326 pairingsPerRound = appData.tourneyType;
10328 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10329 gamesPerCycle = gamesPerRound * roundsPerCycle;
10330 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10331 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10332 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10333 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10334 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10335 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10337 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10338 if(appData.roundSync) *syncInterval = gamesPerRound;
10340 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10342 if(appData.tourneyType == 0) {
10343 if(curPairing == (nPlayers-1)/2 ) {
10344 *whitePlayer = curRound;
10345 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10347 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10348 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10349 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10350 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10352 } else if(appData.tourneyType > 1) {
10353 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10354 *whitePlayer = curRound + appData.tourneyType;
10355 } else if(appData.tourneyType > 0) {
10356 *whitePlayer = curPairing;
10357 *blackPlayer = curRound + appData.tourneyType;
10360 // take care of white/black alternation per round.
10361 // For cycles and games this is already taken care of by default, derived from matchGame!
10362 return curRound & 1;
10366 NextTourneyGame (int nr, int *swapColors)
10367 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10369 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10371 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10372 tf = fopen(appData.tourneyFile, "r");
10373 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10374 ParseArgsFromFile(tf); fclose(tf);
10375 InitTimeControls(); // TC might be altered from tourney file
10377 nPlayers = CountPlayers(appData.participants); // count participants
10378 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10379 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10382 p = q = appData.results;
10383 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10384 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10385 DisplayMessage(_("Waiting for other game(s)"),"");
10386 waitingForGame = TRUE;
10387 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10390 waitingForGame = FALSE;
10393 if(appData.tourneyType < 0) {
10394 if(nr>=0 && !pairingReceived) {
10396 if(pairing.pr == NoProc) {
10397 if(!appData.pairingEngine[0]) {
10398 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10401 StartChessProgram(&pairing); // starts the pairing engine
10403 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10404 SendToProgram(buf, &pairing);
10405 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10406 SendToProgram(buf, &pairing);
10407 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10409 pairingReceived = 0; // ... so we continue here
10411 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10412 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10413 matchGame = 1; roundNr = nr / syncInterval + 1;
10416 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10418 // redefine engines, engine dir, etc.
10419 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10420 if(first.pr == NoProc) {
10421 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10422 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10424 if(second.pr == NoProc) {
10426 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10427 SwapEngines(1); // and make that valid for second engine by swapping
10428 InitEngine(&second, 1);
10430 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10431 UpdateLogos(FALSE); // leave display to ModeHiglight()
10437 { // performs game initialization that does not invoke engines, and then tries to start the game
10438 int res, firstWhite, swapColors = 0;
10439 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10440 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
10442 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10443 if(strcmp(buf, currentDebugFile)) { // name has changed
10444 FILE *f = fopen(buf, "w");
10445 if(f) { // if opening the new file failed, just keep using the old one
10446 ASSIGN(currentDebugFile, buf);
10450 if(appData.serverFileName) {
10451 if(serverFP) fclose(serverFP);
10452 serverFP = fopen(appData.serverFileName, "w");
10453 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10454 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10458 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10459 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10460 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10461 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10462 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10463 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10464 Reset(FALSE, first.pr != NoProc);
10465 res = LoadGameOrPosition(matchGame); // setup game
10466 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10467 if(!res) return; // abort when bad game/pos file
10468 TwoMachinesEvent();
10472 UserAdjudicationEvent (int result)
10474 ChessMove gameResult = GameIsDrawn;
10477 gameResult = WhiteWins;
10479 else if( result < 0 ) {
10480 gameResult = BlackWins;
10483 if( gameMode == TwoMachinesPlay ) {
10484 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10489 // [HGM] save: calculate checksum of game to make games easily identifiable
10491 StringCheckSum (char *s)
10494 if(s==NULL) return 0;
10495 while(*s) i = i*259 + *s++;
10503 for(i=backwardMostMove; i<forwardMostMove; i++) {
10504 sum += pvInfoList[i].depth;
10505 sum += StringCheckSum(parseList[i]);
10506 sum += StringCheckSum(commentList[i]);
10509 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10510 return sum + StringCheckSum(commentList[i]);
10511 } // end of save patch
10514 GameEnds (ChessMove result, char *resultDetails, int whosays)
10516 GameMode nextGameMode;
10518 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10520 if(endingGame) return; /* [HGM] crash: forbid recursion */
10522 if(twoBoards) { // [HGM] dual: switch back to one board
10523 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10524 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10526 if (appData.debugMode) {
10527 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10528 result, resultDetails ? resultDetails : "(null)", whosays);
10531 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10533 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10535 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10536 /* If we are playing on ICS, the server decides when the
10537 game is over, but the engine can offer to draw, claim
10541 if (appData.zippyPlay && first.initDone) {
10542 if (result == GameIsDrawn) {
10543 /* In case draw still needs to be claimed */
10544 SendToICS(ics_prefix);
10545 SendToICS("draw\n");
10546 } else if (StrCaseStr(resultDetails, "resign")) {
10547 SendToICS(ics_prefix);
10548 SendToICS("resign\n");
10552 endingGame = 0; /* [HGM] crash */
10556 /* If we're loading the game from a file, stop */
10557 if (whosays == GE_FILE) {
10558 (void) StopLoadGameTimer();
10562 /* Cancel draw offers */
10563 first.offeredDraw = second.offeredDraw = 0;
10565 /* If this is an ICS game, only ICS can really say it's done;
10566 if not, anyone can. */
10567 isIcsGame = (gameMode == IcsPlayingWhite ||
10568 gameMode == IcsPlayingBlack ||
10569 gameMode == IcsObserving ||
10570 gameMode == IcsExamining);
10572 if (!isIcsGame || whosays == GE_ICS) {
10573 /* OK -- not an ICS game, or ICS said it was done */
10575 if (!isIcsGame && !appData.noChessProgram)
10576 SetUserThinkingEnables();
10578 /* [HGM] if a machine claims the game end we verify this claim */
10579 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10580 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10582 ChessMove trueResult = (ChessMove) -1;
10584 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10585 first.twoMachinesColor[0] :
10586 second.twoMachinesColor[0] ;
10588 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10589 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10590 /* [HGM] verify: engine mate claims accepted if they were flagged */
10591 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10593 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10594 /* [HGM] verify: engine mate claims accepted if they were flagged */
10595 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10597 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10598 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10601 // now verify win claims, but not in drop games, as we don't understand those yet
10602 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10603 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10604 (result == WhiteWins && claimer == 'w' ||
10605 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10606 if (appData.debugMode) {
10607 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10608 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10610 if(result != trueResult) {
10611 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10612 result = claimer == 'w' ? BlackWins : WhiteWins;
10613 resultDetails = buf;
10616 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10617 && (forwardMostMove <= backwardMostMove ||
10618 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10619 (claimer=='b')==(forwardMostMove&1))
10621 /* [HGM] verify: draws that were not flagged are false claims */
10622 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10623 result = claimer == 'w' ? BlackWins : WhiteWins;
10624 resultDetails = buf;
10626 /* (Claiming a loss is accepted no questions asked!) */
10628 /* [HGM] bare: don't allow bare King to win */
10629 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10630 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10631 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10632 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10633 && result != GameIsDrawn)
10634 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10635 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10636 int p = (signed char)boards[forwardMostMove][i][j] - color;
10637 if(p >= 0 && p <= (int)WhiteKing) k++;
10639 if (appData.debugMode) {
10640 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10641 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10644 result = GameIsDrawn;
10645 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10646 resultDetails = buf;
10652 if(serverMoves != NULL && !loadFlag) { char c = '=';
10653 if(result==WhiteWins) c = '+';
10654 if(result==BlackWins) c = '-';
10655 if(resultDetails != NULL)
10656 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10658 if (resultDetails != NULL) {
10659 gameInfo.result = result;
10660 gameInfo.resultDetails = StrSave(resultDetails);
10662 /* display last move only if game was not loaded from file */
10663 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10664 DisplayMove(currentMove - 1);
10666 if (forwardMostMove != 0) {
10667 if (gameMode != PlayFromGameFile && gameMode != EditGame
10668 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10670 if (*appData.saveGameFile != NULLCHAR) {
10671 SaveGameToFile(appData.saveGameFile, TRUE);
10672 } else if (appData.autoSaveGames) {
10675 if (*appData.savePositionFile != NULLCHAR) {
10676 SavePositionToFile(appData.savePositionFile);
10678 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10682 /* Tell program how game ended in case it is learning */
10683 /* [HGM] Moved this to after saving the PGN, just in case */
10684 /* engine died and we got here through time loss. In that */
10685 /* case we will get a fatal error writing the pipe, which */
10686 /* would otherwise lose us the PGN. */
10687 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10688 /* output during GameEnds should never be fatal anymore */
10689 if (gameMode == MachinePlaysWhite ||
10690 gameMode == MachinePlaysBlack ||
10691 gameMode == TwoMachinesPlay ||
10692 gameMode == IcsPlayingWhite ||
10693 gameMode == IcsPlayingBlack ||
10694 gameMode == BeginningOfGame) {
10696 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10698 if (first.pr != NoProc) {
10699 SendToProgram(buf, &first);
10701 if (second.pr != NoProc &&
10702 gameMode == TwoMachinesPlay) {
10703 SendToProgram(buf, &second);
10708 if (appData.icsActive) {
10709 if (appData.quietPlay &&
10710 (gameMode == IcsPlayingWhite ||
10711 gameMode == IcsPlayingBlack)) {
10712 SendToICS(ics_prefix);
10713 SendToICS("set shout 1\n");
10715 nextGameMode = IcsIdle;
10716 ics_user_moved = FALSE;
10717 /* clean up premove. It's ugly when the game has ended and the
10718 * premove highlights are still on the board.
10721 gotPremove = FALSE;
10722 ClearPremoveHighlights();
10723 DrawPosition(FALSE, boards[currentMove]);
10725 if (whosays == GE_ICS) {
10728 if (gameMode == IcsPlayingWhite)
10730 else if(gameMode == IcsPlayingBlack)
10731 PlayIcsLossSound();
10734 if (gameMode == IcsPlayingBlack)
10736 else if(gameMode == IcsPlayingWhite)
10737 PlayIcsLossSound();
10740 PlayIcsDrawSound();
10743 PlayIcsUnfinishedSound();
10746 } else if (gameMode == EditGame ||
10747 gameMode == PlayFromGameFile ||
10748 gameMode == AnalyzeMode ||
10749 gameMode == AnalyzeFile) {
10750 nextGameMode = gameMode;
10752 nextGameMode = EndOfGame;
10757 nextGameMode = gameMode;
10760 if (appData.noChessProgram) {
10761 gameMode = nextGameMode;
10763 endingGame = 0; /* [HGM] crash */
10768 /* Put first chess program into idle state */
10769 if (first.pr != NoProc &&
10770 (gameMode == MachinePlaysWhite ||
10771 gameMode == MachinePlaysBlack ||
10772 gameMode == TwoMachinesPlay ||
10773 gameMode == IcsPlayingWhite ||
10774 gameMode == IcsPlayingBlack ||
10775 gameMode == BeginningOfGame)) {
10776 SendToProgram("force\n", &first);
10777 if (first.usePing) {
10779 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10780 SendToProgram(buf, &first);
10783 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10784 /* Kill off first chess program */
10785 if (first.isr != NULL)
10786 RemoveInputSource(first.isr);
10789 if (first.pr != NoProc) {
10791 DoSleep( appData.delayBeforeQuit );
10792 SendToProgram("quit\n", &first);
10793 DoSleep( appData.delayAfterQuit );
10794 DestroyChildProcess(first.pr, first.useSigterm);
10798 if (second.reuse) {
10799 /* Put second chess program into idle state */
10800 if (second.pr != NoProc &&
10801 gameMode == TwoMachinesPlay) {
10802 SendToProgram("force\n", &second);
10803 if (second.usePing) {
10805 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10806 SendToProgram(buf, &second);
10809 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10810 /* Kill off second chess program */
10811 if (second.isr != NULL)
10812 RemoveInputSource(second.isr);
10815 if (second.pr != NoProc) {
10816 DoSleep( appData.delayBeforeQuit );
10817 SendToProgram("quit\n", &second);
10818 DoSleep( appData.delayAfterQuit );
10819 DestroyChildProcess(second.pr, second.useSigterm);
10821 second.pr = NoProc;
10824 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10825 char resChar = '=';
10829 if (first.twoMachinesColor[0] == 'w') {
10832 second.matchWins++;
10837 if (first.twoMachinesColor[0] == 'b') {
10840 second.matchWins++;
10843 case GameUnfinished:
10849 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10850 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10851 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10852 ReserveGame(nextGame, resChar); // sets nextGame
10853 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10854 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10855 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10857 if (nextGame <= appData.matchGames && !abortMatch) {
10858 gameMode = nextGameMode;
10859 matchGame = nextGame; // this will be overruled in tourney mode!
10860 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10861 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10862 endingGame = 0; /* [HGM] crash */
10865 gameMode = nextGameMode;
10866 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10867 first.tidy, second.tidy,
10868 first.matchWins, second.matchWins,
10869 appData.matchGames - (first.matchWins + second.matchWins));
10870 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10871 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10872 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10873 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10874 first.twoMachinesColor = "black\n";
10875 second.twoMachinesColor = "white\n";
10877 first.twoMachinesColor = "white\n";
10878 second.twoMachinesColor = "black\n";
10882 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10883 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10885 gameMode = nextGameMode;
10887 endingGame = 0; /* [HGM] crash */
10888 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10889 if(matchMode == TRUE) { // match through command line: exit with or without popup
10891 ToNrEvent(forwardMostMove);
10892 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10894 } else DisplayFatalError(buf, 0, 0);
10895 } else { // match through menu; just stop, with or without popup
10896 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10899 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10900 } else DisplayNote(buf);
10902 if(ranking) free(ranking);
10906 /* Assumes program was just initialized (initString sent).
10907 Leaves program in force mode. */
10909 FeedMovesToProgram (ChessProgramState *cps, int upto)
10913 if (appData.debugMode)
10914 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10915 startedFromSetupPosition ? "position and " : "",
10916 backwardMostMove, upto, cps->which);
10917 if(currentlyInitializedVariant != gameInfo.variant) {
10919 // [HGM] variantswitch: make engine aware of new variant
10920 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10921 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10922 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10923 SendToProgram(buf, cps);
10924 currentlyInitializedVariant = gameInfo.variant;
10926 SendToProgram("force\n", cps);
10927 if (startedFromSetupPosition) {
10928 SendBoard(cps, backwardMostMove);
10929 if (appData.debugMode) {
10930 fprintf(debugFP, "feedMoves\n");
10933 for (i = backwardMostMove; i < upto; i++) {
10934 SendMoveToProgram(i, cps);
10940 ResurrectChessProgram ()
10942 /* The chess program may have exited.
10943 If so, restart it and feed it all the moves made so far. */
10944 static int doInit = 0;
10946 if (appData.noChessProgram) return 1;
10948 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10949 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10950 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10951 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10953 if (first.pr != NoProc) return 1;
10954 StartChessProgram(&first);
10956 InitChessProgram(&first, FALSE);
10957 FeedMovesToProgram(&first, currentMove);
10959 if (!first.sendTime) {
10960 /* can't tell gnuchess what its clock should read,
10961 so we bow to its notion. */
10963 timeRemaining[0][currentMove] = whiteTimeRemaining;
10964 timeRemaining[1][currentMove] = blackTimeRemaining;
10967 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10968 appData.icsEngineAnalyze) && first.analysisSupport) {
10969 SendToProgram("analyze\n", &first);
10970 first.analyzing = TRUE;
10976 * Button procedures
10979 Reset (int redraw, int init)
10983 if (appData.debugMode) {
10984 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10985 redraw, init, gameMode);
10987 CleanupTail(); // [HGM] vari: delete any stored variations
10988 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10989 pausing = pauseExamInvalid = FALSE;
10990 startedFromSetupPosition = blackPlaysFirst = FALSE;
10992 whiteFlag = blackFlag = FALSE;
10993 userOfferedDraw = FALSE;
10994 hintRequested = bookRequested = FALSE;
10995 first.maybeThinking = FALSE;
10996 second.maybeThinking = FALSE;
10997 first.bookSuspend = FALSE; // [HGM] book
10998 second.bookSuspend = FALSE;
10999 thinkOutput[0] = NULLCHAR;
11000 lastHint[0] = NULLCHAR;
11001 ClearGameInfo(&gameInfo);
11002 gameInfo.variant = StringToVariant(appData.variant);
11003 ics_user_moved = ics_clock_paused = FALSE;
11004 ics_getting_history = H_FALSE;
11006 white_holding[0] = black_holding[0] = NULLCHAR;
11007 ClearProgramStats();
11008 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11012 flipView = appData.flipView;
11013 ClearPremoveHighlights();
11014 gotPremove = FALSE;
11015 alarmSounded = FALSE;
11017 GameEnds(EndOfFile, NULL, GE_PLAYER);
11018 if(appData.serverMovesName != NULL) {
11019 /* [HGM] prepare to make moves file for broadcasting */
11020 clock_t t = clock();
11021 if(serverMoves != NULL) fclose(serverMoves);
11022 serverMoves = fopen(appData.serverMovesName, "r");
11023 if(serverMoves != NULL) {
11024 fclose(serverMoves);
11025 /* delay 15 sec before overwriting, so all clients can see end */
11026 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11028 serverMoves = fopen(appData.serverMovesName, "w");
11032 gameMode = BeginningOfGame;
11034 if(appData.icsActive) gameInfo.variant = VariantNormal;
11035 currentMove = forwardMostMove = backwardMostMove = 0;
11036 MarkTargetSquares(1);
11037 InitPosition(redraw);
11038 for (i = 0; i < MAX_MOVES; i++) {
11039 if (commentList[i] != NULL) {
11040 free(commentList[i]);
11041 commentList[i] = NULL;
11045 timeRemaining[0][0] = whiteTimeRemaining;
11046 timeRemaining[1][0] = blackTimeRemaining;
11048 if (first.pr == NoProc) {
11049 StartChessProgram(&first);
11052 InitChessProgram(&first, startedFromSetupPosition);
11055 DisplayMessage("", "");
11056 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11057 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11058 ClearMap(); // [HGM] exclude: invalidate map
11062 AutoPlayGameLoop ()
11065 if (!AutoPlayOneMove())
11067 if (matchMode || appData.timeDelay == 0)
11069 if (appData.timeDelay < 0)
11071 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11079 ReloadGame(1); // next game
11085 int fromX, fromY, toX, toY;
11087 if (appData.debugMode) {
11088 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11091 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11094 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11095 pvInfoList[currentMove].depth = programStats.depth;
11096 pvInfoList[currentMove].score = programStats.score;
11097 pvInfoList[currentMove].time = 0;
11098 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11101 if (currentMove >= forwardMostMove) {
11102 if(gameMode == AnalyzeFile) {
11103 if(appData.loadGameIndex == -1) {
11104 GameEnds(EndOfFile, NULL, GE_FILE);
11105 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11107 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11110 // gameMode = EndOfGame;
11111 // ModeHighlight();
11113 /* [AS] Clear current move marker at the end of a game */
11114 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11119 toX = moveList[currentMove][2] - AAA;
11120 toY = moveList[currentMove][3] - ONE;
11122 if (moveList[currentMove][1] == '@') {
11123 if (appData.highlightLastMove) {
11124 SetHighlights(-1, -1, toX, toY);
11127 fromX = moveList[currentMove][0] - AAA;
11128 fromY = moveList[currentMove][1] - ONE;
11130 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11132 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11134 if (appData.highlightLastMove) {
11135 SetHighlights(fromX, fromY, toX, toY);
11138 DisplayMove(currentMove);
11139 SendMoveToProgram(currentMove++, &first);
11140 DisplayBothClocks();
11141 DrawPosition(FALSE, boards[currentMove]);
11142 // [HGM] PV info: always display, routine tests if empty
11143 DisplayComment(currentMove - 1, commentList[currentMove]);
11149 LoadGameOneMove (ChessMove readAhead)
11151 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11152 char promoChar = NULLCHAR;
11153 ChessMove moveType;
11154 char move[MSG_SIZ];
11157 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11158 gameMode != AnalyzeMode && gameMode != Training) {
11163 yyboardindex = forwardMostMove;
11164 if (readAhead != EndOfFile) {
11165 moveType = readAhead;
11167 if (gameFileFP == NULL)
11169 moveType = (ChessMove) Myylex();
11173 switch (moveType) {
11175 if (appData.debugMode)
11176 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11179 /* append the comment but don't display it */
11180 AppendComment(currentMove, p, FALSE);
11183 case WhiteCapturesEnPassant:
11184 case BlackCapturesEnPassant:
11185 case WhitePromotion:
11186 case BlackPromotion:
11187 case WhiteNonPromotion:
11188 case BlackNonPromotion:
11190 case WhiteKingSideCastle:
11191 case WhiteQueenSideCastle:
11192 case BlackKingSideCastle:
11193 case BlackQueenSideCastle:
11194 case WhiteKingSideCastleWild:
11195 case WhiteQueenSideCastleWild:
11196 case BlackKingSideCastleWild:
11197 case BlackQueenSideCastleWild:
11199 case WhiteHSideCastleFR:
11200 case WhiteASideCastleFR:
11201 case BlackHSideCastleFR:
11202 case BlackASideCastleFR:
11204 if (appData.debugMode)
11205 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11206 fromX = currentMoveString[0] - AAA;
11207 fromY = currentMoveString[1] - ONE;
11208 toX = currentMoveString[2] - AAA;
11209 toY = currentMoveString[3] - ONE;
11210 promoChar = currentMoveString[4];
11215 if (appData.debugMode)
11216 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11217 fromX = moveType == WhiteDrop ?
11218 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11219 (int) CharToPiece(ToLower(currentMoveString[0]));
11221 toX = currentMoveString[2] - AAA;
11222 toY = currentMoveString[3] - ONE;
11228 case GameUnfinished:
11229 if (appData.debugMode)
11230 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11231 p = strchr(yy_text, '{');
11232 if (p == NULL) p = strchr(yy_text, '(');
11235 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11237 q = strchr(p, *p == '{' ? '}' : ')');
11238 if (q != NULL) *q = NULLCHAR;
11241 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11242 GameEnds(moveType, p, GE_FILE);
11244 if (cmailMsgLoaded) {
11246 flipView = WhiteOnMove(currentMove);
11247 if (moveType == GameUnfinished) flipView = !flipView;
11248 if (appData.debugMode)
11249 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11254 if (appData.debugMode)
11255 fprintf(debugFP, "Parser hit end of file\n");
11256 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11262 if (WhiteOnMove(currentMove)) {
11263 GameEnds(BlackWins, "Black mates", GE_FILE);
11265 GameEnds(WhiteWins, "White mates", GE_FILE);
11269 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11275 case MoveNumberOne:
11276 if (lastLoadGameStart == GNUChessGame) {
11277 /* GNUChessGames have numbers, but they aren't move numbers */
11278 if (appData.debugMode)
11279 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11280 yy_text, (int) moveType);
11281 return LoadGameOneMove(EndOfFile); /* tail recursion */
11283 /* else fall thru */
11288 /* Reached start of next game in file */
11289 if (appData.debugMode)
11290 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11291 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11297 if (WhiteOnMove(currentMove)) {
11298 GameEnds(BlackWins, "Black mates", GE_FILE);
11300 GameEnds(WhiteWins, "White mates", GE_FILE);
11304 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11310 case PositionDiagram: /* should not happen; ignore */
11311 case ElapsedTime: /* ignore */
11312 case NAG: /* ignore */
11313 if (appData.debugMode)
11314 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11315 yy_text, (int) moveType);
11316 return LoadGameOneMove(EndOfFile); /* tail recursion */
11319 if (appData.testLegality) {
11320 if (appData.debugMode)
11321 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11322 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11323 (forwardMostMove / 2) + 1,
11324 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11325 DisplayError(move, 0);
11328 if (appData.debugMode)
11329 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11330 yy_text, currentMoveString);
11331 fromX = currentMoveString[0] - AAA;
11332 fromY = currentMoveString[1] - ONE;
11333 toX = currentMoveString[2] - AAA;
11334 toY = currentMoveString[3] - ONE;
11335 promoChar = currentMoveString[4];
11339 case AmbiguousMove:
11340 if (appData.debugMode)
11341 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11342 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11343 (forwardMostMove / 2) + 1,
11344 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11345 DisplayError(move, 0);
11350 case ImpossibleMove:
11351 if (appData.debugMode)
11352 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11353 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11354 (forwardMostMove / 2) + 1,
11355 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11356 DisplayError(move, 0);
11362 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11363 DrawPosition(FALSE, boards[currentMove]);
11364 DisplayBothClocks();
11365 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11366 DisplayComment(currentMove - 1, commentList[currentMove]);
11368 (void) StopLoadGameTimer();
11370 cmailOldMove = forwardMostMove;
11373 /* currentMoveString is set as a side-effect of yylex */
11375 thinkOutput[0] = NULLCHAR;
11376 MakeMove(fromX, fromY, toX, toY, promoChar);
11377 currentMove = forwardMostMove;
11382 /* Load the nth game from the given file */
11384 LoadGameFromFile (char *filename, int n, char *title, int useList)
11389 if (strcmp(filename, "-") == 0) {
11393 f = fopen(filename, "rb");
11395 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11396 DisplayError(buf, errno);
11400 if (fseek(f, 0, 0) == -1) {
11401 /* f is not seekable; probably a pipe */
11404 if (useList && n == 0) {
11405 int error = GameListBuild(f);
11407 DisplayError(_("Cannot build game list"), error);
11408 } else if (!ListEmpty(&gameList) &&
11409 ((ListGame *) gameList.tailPred)->number > 1) {
11410 GameListPopUp(f, title);
11417 return LoadGame(f, n, title, FALSE);
11422 MakeRegisteredMove ()
11424 int fromX, fromY, toX, toY;
11426 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11427 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11430 if (appData.debugMode)
11431 fprintf(debugFP, "Restoring %s for game %d\n",
11432 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11434 thinkOutput[0] = NULLCHAR;
11435 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11436 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11437 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11438 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11439 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11440 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11441 MakeMove(fromX, fromY, toX, toY, promoChar);
11442 ShowMove(fromX, fromY, toX, toY);
11444 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11451 if (WhiteOnMove(currentMove)) {
11452 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11454 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11459 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11466 if (WhiteOnMove(currentMove)) {
11467 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11469 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11474 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11485 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11487 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11491 if (gameNumber > nCmailGames) {
11492 DisplayError(_("No more games in this message"), 0);
11495 if (f == lastLoadGameFP) {
11496 int offset = gameNumber - lastLoadGameNumber;
11498 cmailMsg[0] = NULLCHAR;
11499 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11500 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11501 nCmailMovesRegistered--;
11503 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11504 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11505 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11508 if (! RegisterMove()) return FALSE;
11512 retVal = LoadGame(f, gameNumber, title, useList);
11514 /* Make move registered during previous look at this game, if any */
11515 MakeRegisteredMove();
11517 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11518 commentList[currentMove]
11519 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11520 DisplayComment(currentMove - 1, commentList[currentMove]);
11526 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11528 ReloadGame (int offset)
11530 int gameNumber = lastLoadGameNumber + offset;
11531 if (lastLoadGameFP == NULL) {
11532 DisplayError(_("No game has been loaded yet"), 0);
11535 if (gameNumber <= 0) {
11536 DisplayError(_("Can't back up any further"), 0);
11539 if (cmailMsgLoaded) {
11540 return CmailLoadGame(lastLoadGameFP, gameNumber,
11541 lastLoadGameTitle, lastLoadGameUseList);
11543 return LoadGame(lastLoadGameFP, gameNumber,
11544 lastLoadGameTitle, lastLoadGameUseList);
11548 int keys[EmptySquare+1];
11551 PositionMatches (Board b1, Board b2)
11554 switch(appData.searchMode) {
11555 case 1: return CompareWithRights(b1, b2);
11557 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11558 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11562 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11563 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11564 sum += keys[b1[r][f]] - keys[b2[r][f]];
11568 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11569 sum += keys[b1[r][f]] - keys[b2[r][f]];
11581 int pieceList[256], quickBoard[256];
11582 ChessSquare pieceType[256] = { EmptySquare };
11583 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11584 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11585 int soughtTotal, turn;
11586 Boolean epOK, flipSearch;
11589 unsigned char piece, to;
11592 #define DSIZE (250000)
11594 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11595 Move *moveDatabase = initialSpace;
11596 unsigned int movePtr, dataSize = DSIZE;
11599 MakePieceList (Board board, int *counts)
11601 int r, f, n=Q_PROMO, total=0;
11602 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11603 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11604 int sq = f + (r<<4);
11605 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11606 quickBoard[sq] = ++n;
11608 pieceType[n] = board[r][f];
11609 counts[board[r][f]]++;
11610 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11611 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11615 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11620 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11622 int sq = fromX + (fromY<<4);
11623 int piece = quickBoard[sq];
11624 quickBoard[sq] = 0;
11625 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11626 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11627 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11628 moveDatabase[movePtr++].piece = Q_WCASTL;
11629 quickBoard[sq] = piece;
11630 piece = quickBoard[from]; quickBoard[from] = 0;
11631 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11633 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11634 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11635 moveDatabase[movePtr++].piece = Q_BCASTL;
11636 quickBoard[sq] = piece;
11637 piece = quickBoard[from]; quickBoard[from] = 0;
11638 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11640 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11641 quickBoard[(fromY<<4)+toX] = 0;
11642 moveDatabase[movePtr].piece = Q_EP;
11643 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11644 moveDatabase[movePtr].to = sq;
11646 if(promoPiece != pieceType[piece]) {
11647 moveDatabase[movePtr++].piece = Q_PROMO;
11648 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11650 moveDatabase[movePtr].piece = piece;
11651 quickBoard[sq] = piece;
11656 PackGame (Board board)
11658 Move *newSpace = NULL;
11659 moveDatabase[movePtr].piece = 0; // terminate previous game
11660 if(movePtr > dataSize) {
11661 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11662 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11663 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11666 Move *p = moveDatabase, *q = newSpace;
11667 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11668 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11669 moveDatabase = newSpace;
11670 } else { // calloc failed, we must be out of memory. Too bad...
11671 dataSize = 0; // prevent calloc events for all subsequent games
11672 return 0; // and signal this one isn't cached
11676 MakePieceList(board, counts);
11681 QuickCompare (Board board, int *minCounts, int *maxCounts)
11682 { // compare according to search mode
11684 switch(appData.searchMode)
11686 case 1: // exact position match
11687 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11688 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11689 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11692 case 2: // can have extra material on empty squares
11693 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11694 if(board[r][f] == EmptySquare) continue;
11695 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11698 case 3: // material with exact Pawn structure
11699 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11700 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11701 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11702 } // fall through to material comparison
11703 case 4: // exact material
11704 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11706 case 6: // material range with given imbalance
11707 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11708 // fall through to range comparison
11709 case 5: // material range
11710 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11716 QuickScan (Board board, Move *move)
11717 { // reconstruct game,and compare all positions in it
11718 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11720 int piece = move->piece;
11721 int to = move->to, from = pieceList[piece];
11722 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11723 if(!piece) return -1;
11724 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11725 piece = (++move)->piece;
11726 from = pieceList[piece];
11727 counts[pieceType[piece]]--;
11728 pieceType[piece] = (ChessSquare) move->to;
11729 counts[move->to]++;
11730 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11731 counts[pieceType[quickBoard[to]]]--;
11732 quickBoard[to] = 0; total--;
11735 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11736 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11737 from = pieceList[piece]; // so this must be King
11738 quickBoard[from] = 0;
11739 pieceList[piece] = to;
11740 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11741 quickBoard[from] = 0; // rook
11742 quickBoard[to] = piece;
11743 to = move->to; piece = move->piece;
11747 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11748 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11749 quickBoard[from] = 0;
11751 quickBoard[to] = piece;
11752 pieceList[piece] = to;
11754 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11755 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11756 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11757 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11759 static int lastCounts[EmptySquare+1];
11761 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11762 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11763 } else stretch = 0;
11764 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11773 flipSearch = FALSE;
11774 CopyBoard(soughtBoard, boards[currentMove]);
11775 soughtTotal = MakePieceList(soughtBoard, maxSought);
11776 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11777 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11778 CopyBoard(reverseBoard, boards[currentMove]);
11779 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11780 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11781 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11782 reverseBoard[r][f] = piece;
11784 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11785 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11786 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11787 || (boards[currentMove][CASTLING][2] == NoRights ||
11788 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11789 && (boards[currentMove][CASTLING][5] == NoRights ||
11790 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11793 CopyBoard(flipBoard, soughtBoard);
11794 CopyBoard(rotateBoard, reverseBoard);
11795 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11796 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11797 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11800 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11801 if(appData.searchMode >= 5) {
11802 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11803 MakePieceList(soughtBoard, minSought);
11804 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11806 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11807 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11810 GameInfo dummyInfo;
11811 static int creatingBook;
11814 GameContainsPosition (FILE *f, ListGame *lg)
11816 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11817 int fromX, fromY, toX, toY;
11819 static int initDone=FALSE;
11821 // weed out games based on numerical tag comparison
11822 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11823 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11824 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11825 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11827 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11830 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11831 else CopyBoard(boards[scratch], initialPosition); // default start position
11834 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11835 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11838 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11839 fseek(f, lg->offset, 0);
11842 yyboardindex = scratch;
11843 quickFlag = plyNr+1;
11848 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11854 if(plyNr) return -1; // after we have seen moves, this is for new game
11857 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11858 case ImpossibleMove:
11859 case WhiteWins: // game ends here with these four
11862 case GameUnfinished:
11866 if(appData.testLegality) return -1;
11867 case WhiteCapturesEnPassant:
11868 case BlackCapturesEnPassant:
11869 case WhitePromotion:
11870 case BlackPromotion:
11871 case WhiteNonPromotion:
11872 case BlackNonPromotion:
11874 case WhiteKingSideCastle:
11875 case WhiteQueenSideCastle:
11876 case BlackKingSideCastle:
11877 case BlackQueenSideCastle:
11878 case WhiteKingSideCastleWild:
11879 case WhiteQueenSideCastleWild:
11880 case BlackKingSideCastleWild:
11881 case BlackQueenSideCastleWild:
11882 case WhiteHSideCastleFR:
11883 case WhiteASideCastleFR:
11884 case BlackHSideCastleFR:
11885 case BlackASideCastleFR:
11886 fromX = currentMoveString[0] - AAA;
11887 fromY = currentMoveString[1] - ONE;
11888 toX = currentMoveString[2] - AAA;
11889 toY = currentMoveString[3] - ONE;
11890 promoChar = currentMoveString[4];
11894 fromX = next == WhiteDrop ?
11895 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11896 (int) CharToPiece(ToLower(currentMoveString[0]));
11898 toX = currentMoveString[2] - AAA;
11899 toY = currentMoveString[3] - ONE;
11903 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11905 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11906 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11907 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11908 if(appData.findMirror) {
11909 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11910 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11915 /* Load the nth game from open file f */
11917 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11921 int gn = gameNumber;
11922 ListGame *lg = NULL;
11923 int numPGNTags = 0;
11925 GameMode oldGameMode;
11926 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11928 if (appData.debugMode)
11929 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11931 if (gameMode == Training )
11932 SetTrainingModeOff();
11934 oldGameMode = gameMode;
11935 if (gameMode != BeginningOfGame) {
11936 Reset(FALSE, TRUE);
11940 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11941 fclose(lastLoadGameFP);
11945 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11948 fseek(f, lg->offset, 0);
11949 GameListHighlight(gameNumber);
11950 pos = lg->position;
11954 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
11955 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
11957 DisplayError(_("Game number out of range"), 0);
11962 if (fseek(f, 0, 0) == -1) {
11963 if (f == lastLoadGameFP ?
11964 gameNumber == lastLoadGameNumber + 1 :
11968 DisplayError(_("Can't seek on game file"), 0);
11973 lastLoadGameFP = f;
11974 lastLoadGameNumber = gameNumber;
11975 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11976 lastLoadGameUseList = useList;
11980 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11981 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11982 lg->gameInfo.black);
11984 } else if (*title != NULLCHAR) {
11985 if (gameNumber > 1) {
11986 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11989 DisplayTitle(title);
11993 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11994 gameMode = PlayFromGameFile;
11998 currentMove = forwardMostMove = backwardMostMove = 0;
11999 CopyBoard(boards[0], initialPosition);
12003 * Skip the first gn-1 games in the file.
12004 * Also skip over anything that precedes an identifiable
12005 * start of game marker, to avoid being confused by
12006 * garbage at the start of the file. Currently
12007 * recognized start of game markers are the move number "1",
12008 * the pattern "gnuchess .* game", the pattern
12009 * "^[#;%] [^ ]* game file", and a PGN tag block.
12010 * A game that starts with one of the latter two patterns
12011 * will also have a move number 1, possibly
12012 * following a position diagram.
12013 * 5-4-02: Let's try being more lenient and allowing a game to
12014 * start with an unnumbered move. Does that break anything?
12016 cm = lastLoadGameStart = EndOfFile;
12018 yyboardindex = forwardMostMove;
12019 cm = (ChessMove) Myylex();
12022 if (cmailMsgLoaded) {
12023 nCmailGames = CMAIL_MAX_GAMES - gn;
12026 DisplayError(_("Game not found in file"), 0);
12033 lastLoadGameStart = cm;
12036 case MoveNumberOne:
12037 switch (lastLoadGameStart) {
12042 case MoveNumberOne:
12044 gn--; /* count this game */
12045 lastLoadGameStart = cm;
12054 switch (lastLoadGameStart) {
12057 case MoveNumberOne:
12059 gn--; /* count this game */
12060 lastLoadGameStart = cm;
12063 lastLoadGameStart = cm; /* game counted already */
12071 yyboardindex = forwardMostMove;
12072 cm = (ChessMove) Myylex();
12073 } while (cm == PGNTag || cm == Comment);
12080 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12081 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12082 != CMAIL_OLD_RESULT) {
12084 cmailResult[ CMAIL_MAX_GAMES
12085 - gn - 1] = CMAIL_OLD_RESULT;
12091 /* Only a NormalMove can be at the start of a game
12092 * without a position diagram. */
12093 if (lastLoadGameStart == EndOfFile ) {
12095 lastLoadGameStart = MoveNumberOne;
12104 if (appData.debugMode)
12105 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12107 if (cm == XBoardGame) {
12108 /* Skip any header junk before position diagram and/or move 1 */
12110 yyboardindex = forwardMostMove;
12111 cm = (ChessMove) Myylex();
12113 if (cm == EndOfFile ||
12114 cm == GNUChessGame || cm == XBoardGame) {
12115 /* Empty game; pretend end-of-file and handle later */
12120 if (cm == MoveNumberOne || cm == PositionDiagram ||
12121 cm == PGNTag || cm == Comment)
12124 } else if (cm == GNUChessGame) {
12125 if (gameInfo.event != NULL) {
12126 free(gameInfo.event);
12128 gameInfo.event = StrSave(yy_text);
12131 startedFromSetupPosition = FALSE;
12132 while (cm == PGNTag) {
12133 if (appData.debugMode)
12134 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12135 err = ParsePGNTag(yy_text, &gameInfo);
12136 if (!err) numPGNTags++;
12138 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12139 if(gameInfo.variant != oldVariant) {
12140 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12141 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12142 InitPosition(TRUE);
12143 oldVariant = gameInfo.variant;
12144 if (appData.debugMode)
12145 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12149 if (gameInfo.fen != NULL) {
12150 Board initial_position;
12151 startedFromSetupPosition = TRUE;
12152 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12154 DisplayError(_("Bad FEN position in file"), 0);
12157 CopyBoard(boards[0], initial_position);
12158 if (blackPlaysFirst) {
12159 currentMove = forwardMostMove = backwardMostMove = 1;
12160 CopyBoard(boards[1], initial_position);
12161 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12162 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12163 timeRemaining[0][1] = whiteTimeRemaining;
12164 timeRemaining[1][1] = blackTimeRemaining;
12165 if (commentList[0] != NULL) {
12166 commentList[1] = commentList[0];
12167 commentList[0] = NULL;
12170 currentMove = forwardMostMove = backwardMostMove = 0;
12172 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12174 initialRulePlies = FENrulePlies;
12175 for( i=0; i< nrCastlingRights; i++ )
12176 initialRights[i] = initial_position[CASTLING][i];
12178 yyboardindex = forwardMostMove;
12179 free(gameInfo.fen);
12180 gameInfo.fen = NULL;
12183 yyboardindex = forwardMostMove;
12184 cm = (ChessMove) Myylex();
12186 /* Handle comments interspersed among the tags */
12187 while (cm == Comment) {
12189 if (appData.debugMode)
12190 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12192 AppendComment(currentMove, p, FALSE);
12193 yyboardindex = forwardMostMove;
12194 cm = (ChessMove) Myylex();
12198 /* don't rely on existence of Event tag since if game was
12199 * pasted from clipboard the Event tag may not exist
12201 if (numPGNTags > 0){
12203 if (gameInfo.variant == VariantNormal) {
12204 VariantClass v = StringToVariant(gameInfo.event);
12205 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12206 if(v < VariantShogi) gameInfo.variant = v;
12209 if( appData.autoDisplayTags ) {
12210 tags = PGNTags(&gameInfo);
12211 TagsPopUp(tags, CmailMsg());
12216 /* Make something up, but don't display it now */
12221 if (cm == PositionDiagram) {
12224 Board initial_position;
12226 if (appData.debugMode)
12227 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12229 if (!startedFromSetupPosition) {
12231 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12232 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12243 initial_position[i][j++] = CharToPiece(*p);
12246 while (*p == ' ' || *p == '\t' ||
12247 *p == '\n' || *p == '\r') p++;
12249 if (strncmp(p, "black", strlen("black"))==0)
12250 blackPlaysFirst = TRUE;
12252 blackPlaysFirst = FALSE;
12253 startedFromSetupPosition = TRUE;
12255 CopyBoard(boards[0], initial_position);
12256 if (blackPlaysFirst) {
12257 currentMove = forwardMostMove = backwardMostMove = 1;
12258 CopyBoard(boards[1], initial_position);
12259 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12260 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12261 timeRemaining[0][1] = whiteTimeRemaining;
12262 timeRemaining[1][1] = blackTimeRemaining;
12263 if (commentList[0] != NULL) {
12264 commentList[1] = commentList[0];
12265 commentList[0] = NULL;
12268 currentMove = forwardMostMove = backwardMostMove = 0;
12271 yyboardindex = forwardMostMove;
12272 cm = (ChessMove) Myylex();
12275 if(!creatingBook) {
12276 if (first.pr == NoProc) {
12277 StartChessProgram(&first);
12279 InitChessProgram(&first, FALSE);
12280 SendToProgram("force\n", &first);
12281 if (startedFromSetupPosition) {
12282 SendBoard(&first, forwardMostMove);
12283 if (appData.debugMode) {
12284 fprintf(debugFP, "Load Game\n");
12286 DisplayBothClocks();
12290 /* [HGM] server: flag to write setup moves in broadcast file as one */
12291 loadFlag = appData.suppressLoadMoves;
12293 while (cm == Comment) {
12295 if (appData.debugMode)
12296 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12298 AppendComment(currentMove, p, FALSE);
12299 yyboardindex = forwardMostMove;
12300 cm = (ChessMove) Myylex();
12303 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12304 cm == WhiteWins || cm == BlackWins ||
12305 cm == GameIsDrawn || cm == GameUnfinished) {
12306 DisplayMessage("", _("No moves in game"));
12307 if (cmailMsgLoaded) {
12308 if (appData.debugMode)
12309 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12313 DrawPosition(FALSE, boards[currentMove]);
12314 DisplayBothClocks();
12315 gameMode = EditGame;
12322 // [HGM] PV info: routine tests if comment empty
12323 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12324 DisplayComment(currentMove - 1, commentList[currentMove]);
12326 if (!matchMode && appData.timeDelay != 0)
12327 DrawPosition(FALSE, boards[currentMove]);
12329 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12330 programStats.ok_to_send = 1;
12333 /* if the first token after the PGN tags is a move
12334 * and not move number 1, retrieve it from the parser
12336 if (cm != MoveNumberOne)
12337 LoadGameOneMove(cm);
12339 /* load the remaining moves from the file */
12340 while (LoadGameOneMove(EndOfFile)) {
12341 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12342 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12345 /* rewind to the start of the game */
12346 currentMove = backwardMostMove;
12348 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12350 if (oldGameMode == AnalyzeFile ||
12351 oldGameMode == AnalyzeMode) {
12352 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12353 AnalyzeFileEvent();
12356 if(creatingBook) return TRUE;
12357 if (!matchMode && pos > 0) {
12358 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12360 if (matchMode || appData.timeDelay == 0) {
12362 } else if (appData.timeDelay > 0) {
12363 AutoPlayGameLoop();
12366 if (appData.debugMode)
12367 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12369 loadFlag = 0; /* [HGM] true game starts */
12373 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12375 ReloadPosition (int offset)
12377 int positionNumber = lastLoadPositionNumber + offset;
12378 if (lastLoadPositionFP == NULL) {
12379 DisplayError(_("No position has been loaded yet"), 0);
12382 if (positionNumber <= 0) {
12383 DisplayError(_("Can't back up any further"), 0);
12386 return LoadPosition(lastLoadPositionFP, positionNumber,
12387 lastLoadPositionTitle);
12390 /* Load the nth position from the given file */
12392 LoadPositionFromFile (char *filename, int n, char *title)
12397 if (strcmp(filename, "-") == 0) {
12398 return LoadPosition(stdin, n, "stdin");
12400 f = fopen(filename, "rb");
12402 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12403 DisplayError(buf, errno);
12406 return LoadPosition(f, n, title);
12411 /* Load the nth position from the given open file, and close it */
12413 LoadPosition (FILE *f, int positionNumber, char *title)
12415 char *p, line[MSG_SIZ];
12416 Board initial_position;
12417 int i, j, fenMode, pn;
12419 if (gameMode == Training )
12420 SetTrainingModeOff();
12422 if (gameMode != BeginningOfGame) {
12423 Reset(FALSE, TRUE);
12425 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12426 fclose(lastLoadPositionFP);
12428 if (positionNumber == 0) positionNumber = 1;
12429 lastLoadPositionFP = f;
12430 lastLoadPositionNumber = positionNumber;
12431 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12432 if (first.pr == NoProc && !appData.noChessProgram) {
12433 StartChessProgram(&first);
12434 InitChessProgram(&first, FALSE);
12436 pn = positionNumber;
12437 if (positionNumber < 0) {
12438 /* Negative position number means to seek to that byte offset */
12439 if (fseek(f, -positionNumber, 0) == -1) {
12440 DisplayError(_("Can't seek on position file"), 0);
12445 if (fseek(f, 0, 0) == -1) {
12446 if (f == lastLoadPositionFP ?
12447 positionNumber == lastLoadPositionNumber + 1 :
12448 positionNumber == 1) {
12451 DisplayError(_("Can't seek on position file"), 0);
12456 /* See if this file is FEN or old-style xboard */
12457 if (fgets(line, MSG_SIZ, f) == NULL) {
12458 DisplayError(_("Position not found in file"), 0);
12461 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12462 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12465 if (fenMode || line[0] == '#') pn--;
12467 /* skip positions before number pn */
12468 if (fgets(line, MSG_SIZ, f) == NULL) {
12470 DisplayError(_("Position not found in file"), 0);
12473 if (fenMode || line[0] == '#') pn--;
12478 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12479 DisplayError(_("Bad FEN position in file"), 0);
12483 (void) fgets(line, MSG_SIZ, f);
12484 (void) fgets(line, MSG_SIZ, f);
12486 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12487 (void) fgets(line, MSG_SIZ, f);
12488 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12491 initial_position[i][j++] = CharToPiece(*p);
12495 blackPlaysFirst = FALSE;
12497 (void) fgets(line, MSG_SIZ, f);
12498 if (strncmp(line, "black", strlen("black"))==0)
12499 blackPlaysFirst = TRUE;
12502 startedFromSetupPosition = TRUE;
12504 CopyBoard(boards[0], initial_position);
12505 if (blackPlaysFirst) {
12506 currentMove = forwardMostMove = backwardMostMove = 1;
12507 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12508 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12509 CopyBoard(boards[1], initial_position);
12510 DisplayMessage("", _("Black to play"));
12512 currentMove = forwardMostMove = backwardMostMove = 0;
12513 DisplayMessage("", _("White to play"));
12515 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12516 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12517 SendToProgram("force\n", &first);
12518 SendBoard(&first, forwardMostMove);
12520 if (appData.debugMode) {
12522 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12523 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12524 fprintf(debugFP, "Load Position\n");
12527 if (positionNumber > 1) {
12528 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12529 DisplayTitle(line);
12531 DisplayTitle(title);
12533 gameMode = EditGame;
12536 timeRemaining[0][1] = whiteTimeRemaining;
12537 timeRemaining[1][1] = blackTimeRemaining;
12538 DrawPosition(FALSE, boards[currentMove]);
12545 CopyPlayerNameIntoFileName (char **dest, char *src)
12547 while (*src != NULLCHAR && *src != ',') {
12552 *(*dest)++ = *src++;
12558 DefaultFileName (char *ext)
12560 static char def[MSG_SIZ];
12563 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12565 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12567 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12569 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12576 /* Save the current game to the given file */
12578 SaveGameToFile (char *filename, int append)
12582 int result, i, t,tot=0;
12584 if (strcmp(filename, "-") == 0) {
12585 return SaveGame(stdout, 0, NULL);
12587 for(i=0; i<10; i++) { // upto 10 tries
12588 f = fopen(filename, append ? "a" : "w");
12589 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12590 if(f || errno != 13) break;
12591 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12595 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12596 DisplayError(buf, errno);
12599 safeStrCpy(buf, lastMsg, MSG_SIZ);
12600 DisplayMessage(_("Waiting for access to save file"), "");
12601 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12602 DisplayMessage(_("Saving game"), "");
12603 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12604 result = SaveGame(f, 0, NULL);
12605 DisplayMessage(buf, "");
12612 SavePart (char *str)
12614 static char buf[MSG_SIZ];
12617 p = strchr(str, ' ');
12618 if (p == NULL) return str;
12619 strncpy(buf, str, p - str);
12620 buf[p - str] = NULLCHAR;
12624 #define PGN_MAX_LINE 75
12626 #define PGN_SIDE_WHITE 0
12627 #define PGN_SIDE_BLACK 1
12630 FindFirstMoveOutOfBook (int side)
12634 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12635 int index = backwardMostMove;
12636 int has_book_hit = 0;
12638 if( (index % 2) != side ) {
12642 while( index < forwardMostMove ) {
12643 /* Check to see if engine is in book */
12644 int depth = pvInfoList[index].depth;
12645 int score = pvInfoList[index].score;
12651 else if( score == 0 && depth == 63 ) {
12652 in_book = 1; /* Zappa */
12654 else if( score == 2 && depth == 99 ) {
12655 in_book = 1; /* Abrok */
12658 has_book_hit += in_book;
12674 GetOutOfBookInfo (char * buf)
12678 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12680 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12681 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12685 if( oob[0] >= 0 || oob[1] >= 0 ) {
12686 for( i=0; i<2; i++ ) {
12690 if( i > 0 && oob[0] >= 0 ) {
12691 strcat( buf, " " );
12694 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12695 sprintf( buf+strlen(buf), "%s%.2f",
12696 pvInfoList[idx].score >= 0 ? "+" : "",
12697 pvInfoList[idx].score / 100.0 );
12703 /* Save game in PGN style and close the file */
12705 SaveGamePGN (FILE *f)
12707 int i, offset, linelen, newblock;
12710 int movelen, numlen, blank;
12711 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12713 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12715 PrintPGNTags(f, &gameInfo);
12717 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12719 if (backwardMostMove > 0 || startedFromSetupPosition) {
12720 char *fen = PositionToFEN(backwardMostMove, NULL);
12721 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12722 fprintf(f, "\n{--------------\n");
12723 PrintPosition(f, backwardMostMove);
12724 fprintf(f, "--------------}\n");
12728 /* [AS] Out of book annotation */
12729 if( appData.saveOutOfBookInfo ) {
12732 GetOutOfBookInfo( buf );
12734 if( buf[0] != '\0' ) {
12735 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12742 i = backwardMostMove;
12746 while (i < forwardMostMove) {
12747 /* Print comments preceding this move */
12748 if (commentList[i] != NULL) {
12749 if (linelen > 0) fprintf(f, "\n");
12750 fprintf(f, "%s", commentList[i]);
12755 /* Format move number */
12757 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12760 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12762 numtext[0] = NULLCHAR;
12764 numlen = strlen(numtext);
12767 /* Print move number */
12768 blank = linelen > 0 && numlen > 0;
12769 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12778 fprintf(f, "%s", numtext);
12782 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12783 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12786 blank = linelen > 0 && movelen > 0;
12787 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12796 fprintf(f, "%s", move_buffer);
12797 linelen += movelen;
12799 /* [AS] Add PV info if present */
12800 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12801 /* [HGM] add time */
12802 char buf[MSG_SIZ]; int seconds;
12804 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12810 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12813 seconds = (seconds + 4)/10; // round to full seconds
12815 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12817 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12820 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12821 pvInfoList[i].score >= 0 ? "+" : "",
12822 pvInfoList[i].score / 100.0,
12823 pvInfoList[i].depth,
12826 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12828 /* Print score/depth */
12829 blank = linelen > 0 && movelen > 0;
12830 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12839 fprintf(f, "%s", move_buffer);
12840 linelen += movelen;
12846 /* Start a new line */
12847 if (linelen > 0) fprintf(f, "\n");
12849 /* Print comments after last move */
12850 if (commentList[i] != NULL) {
12851 fprintf(f, "%s\n", commentList[i]);
12855 if (gameInfo.resultDetails != NULL &&
12856 gameInfo.resultDetails[0] != NULLCHAR) {
12857 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12858 PGNResult(gameInfo.result));
12860 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12864 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12868 /* Save game in old style and close the file */
12870 SaveGameOldStyle (FILE *f)
12875 tm = time((time_t *) NULL);
12877 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12880 if (backwardMostMove > 0 || startedFromSetupPosition) {
12881 fprintf(f, "\n[--------------\n");
12882 PrintPosition(f, backwardMostMove);
12883 fprintf(f, "--------------]\n");
12888 i = backwardMostMove;
12889 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12891 while (i < forwardMostMove) {
12892 if (commentList[i] != NULL) {
12893 fprintf(f, "[%s]\n", commentList[i]);
12896 if ((i % 2) == 1) {
12897 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12900 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12902 if (commentList[i] != NULL) {
12906 if (i >= forwardMostMove) {
12910 fprintf(f, "%s\n", parseList[i]);
12915 if (commentList[i] != NULL) {
12916 fprintf(f, "[%s]\n", commentList[i]);
12919 /* This isn't really the old style, but it's close enough */
12920 if (gameInfo.resultDetails != NULL &&
12921 gameInfo.resultDetails[0] != NULLCHAR) {
12922 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12923 gameInfo.resultDetails);
12925 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12932 /* Save the current game to open file f and close the file */
12934 SaveGame (FILE *f, int dummy, char *dummy2)
12936 if (gameMode == EditPosition) EditPositionDone(TRUE);
12937 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12938 if (appData.oldSaveStyle)
12939 return SaveGameOldStyle(f);
12941 return SaveGamePGN(f);
12944 /* Save the current position to the given file */
12946 SavePositionToFile (char *filename)
12951 if (strcmp(filename, "-") == 0) {
12952 return SavePosition(stdout, 0, NULL);
12954 f = fopen(filename, "a");
12956 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12957 DisplayError(buf, errno);
12960 safeStrCpy(buf, lastMsg, MSG_SIZ);
12961 DisplayMessage(_("Waiting for access to save file"), "");
12962 flock(fileno(f), LOCK_EX); // [HGM] lock
12963 DisplayMessage(_("Saving position"), "");
12964 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12965 SavePosition(f, 0, NULL);
12966 DisplayMessage(buf, "");
12972 /* Save the current position to the given open file and close the file */
12974 SavePosition (FILE *f, int dummy, char *dummy2)
12979 if (gameMode == EditPosition) EditPositionDone(TRUE);
12980 if (appData.oldSaveStyle) {
12981 tm = time((time_t *) NULL);
12983 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12985 fprintf(f, "[--------------\n");
12986 PrintPosition(f, currentMove);
12987 fprintf(f, "--------------]\n");
12989 fen = PositionToFEN(currentMove, NULL);
12990 fprintf(f, "%s\n", fen);
12998 ReloadCmailMsgEvent (int unregister)
13001 static char *inFilename = NULL;
13002 static char *outFilename;
13004 struct stat inbuf, outbuf;
13007 /* Any registered moves are unregistered if unregister is set, */
13008 /* i.e. invoked by the signal handler */
13010 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13011 cmailMoveRegistered[i] = FALSE;
13012 if (cmailCommentList[i] != NULL) {
13013 free(cmailCommentList[i]);
13014 cmailCommentList[i] = NULL;
13017 nCmailMovesRegistered = 0;
13020 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13021 cmailResult[i] = CMAIL_NOT_RESULT;
13025 if (inFilename == NULL) {
13026 /* Because the filenames are static they only get malloced once */
13027 /* and they never get freed */
13028 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13029 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13031 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13032 sprintf(outFilename, "%s.out", appData.cmailGameName);
13035 status = stat(outFilename, &outbuf);
13037 cmailMailedMove = FALSE;
13039 status = stat(inFilename, &inbuf);
13040 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13043 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13044 counts the games, notes how each one terminated, etc.
13046 It would be nice to remove this kludge and instead gather all
13047 the information while building the game list. (And to keep it
13048 in the game list nodes instead of having a bunch of fixed-size
13049 parallel arrays.) Note this will require getting each game's
13050 termination from the PGN tags, as the game list builder does
13051 not process the game moves. --mann
13053 cmailMsgLoaded = TRUE;
13054 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13056 /* Load first game in the file or popup game menu */
13057 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13059 #endif /* !WIN32 */
13067 char string[MSG_SIZ];
13069 if ( cmailMailedMove
13070 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13071 return TRUE; /* Allow free viewing */
13074 /* Unregister move to ensure that we don't leave RegisterMove */
13075 /* with the move registered when the conditions for registering no */
13077 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13078 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13079 nCmailMovesRegistered --;
13081 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13083 free(cmailCommentList[lastLoadGameNumber - 1]);
13084 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13088 if (cmailOldMove == -1) {
13089 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13093 if (currentMove > cmailOldMove + 1) {
13094 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13098 if (currentMove < cmailOldMove) {
13099 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13103 if (forwardMostMove > currentMove) {
13104 /* Silently truncate extra moves */
13108 if ( (currentMove == cmailOldMove + 1)
13109 || ( (currentMove == cmailOldMove)
13110 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13111 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13112 if (gameInfo.result != GameUnfinished) {
13113 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13116 if (commentList[currentMove] != NULL) {
13117 cmailCommentList[lastLoadGameNumber - 1]
13118 = StrSave(commentList[currentMove]);
13120 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13122 if (appData.debugMode)
13123 fprintf(debugFP, "Saving %s for game %d\n",
13124 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13126 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13128 f = fopen(string, "w");
13129 if (appData.oldSaveStyle) {
13130 SaveGameOldStyle(f); /* also closes the file */
13132 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13133 f = fopen(string, "w");
13134 SavePosition(f, 0, NULL); /* also closes the file */
13136 fprintf(f, "{--------------\n");
13137 PrintPosition(f, currentMove);
13138 fprintf(f, "--------------}\n\n");
13140 SaveGame(f, 0, NULL); /* also closes the file*/
13143 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13144 nCmailMovesRegistered ++;
13145 } else if (nCmailGames == 1) {
13146 DisplayError(_("You have not made a move yet"), 0);
13157 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13158 FILE *commandOutput;
13159 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13160 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13166 if (! cmailMsgLoaded) {
13167 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13171 if (nCmailGames == nCmailResults) {
13172 DisplayError(_("No unfinished games"), 0);
13176 #if CMAIL_PROHIBIT_REMAIL
13177 if (cmailMailedMove) {
13178 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);
13179 DisplayError(msg, 0);
13184 if (! (cmailMailedMove || RegisterMove())) return;
13186 if ( cmailMailedMove
13187 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13188 snprintf(string, MSG_SIZ, partCommandString,
13189 appData.debugMode ? " -v" : "", appData.cmailGameName);
13190 commandOutput = popen(string, "r");
13192 if (commandOutput == NULL) {
13193 DisplayError(_("Failed to invoke cmail"), 0);
13195 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13196 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13198 if (nBuffers > 1) {
13199 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13200 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13201 nBytes = MSG_SIZ - 1;
13203 (void) memcpy(msg, buffer, nBytes);
13205 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13207 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13208 cmailMailedMove = TRUE; /* Prevent >1 moves */
13211 for (i = 0; i < nCmailGames; i ++) {
13212 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13217 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13219 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13221 appData.cmailGameName,
13223 LoadGameFromFile(buffer, 1, buffer, FALSE);
13224 cmailMsgLoaded = FALSE;
13228 DisplayInformation(msg);
13229 pclose(commandOutput);
13232 if ((*cmailMsg) != '\0') {
13233 DisplayInformation(cmailMsg);
13238 #endif /* !WIN32 */
13247 int prependComma = 0;
13249 char string[MSG_SIZ]; /* Space for game-list */
13252 if (!cmailMsgLoaded) return "";
13254 if (cmailMailedMove) {
13255 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13257 /* Create a list of games left */
13258 snprintf(string, MSG_SIZ, "[");
13259 for (i = 0; i < nCmailGames; i ++) {
13260 if (! ( cmailMoveRegistered[i]
13261 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13262 if (prependComma) {
13263 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13265 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13269 strcat(string, number);
13272 strcat(string, "]");
13274 if (nCmailMovesRegistered + nCmailResults == 0) {
13275 switch (nCmailGames) {
13277 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13281 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13285 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13290 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13292 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13297 if (nCmailResults == nCmailGames) {
13298 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13300 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13305 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13317 if (gameMode == Training)
13318 SetTrainingModeOff();
13321 cmailMsgLoaded = FALSE;
13322 if (appData.icsActive) {
13323 SendToICS(ics_prefix);
13324 SendToICS("refresh\n");
13329 ExitEvent (int status)
13333 /* Give up on clean exit */
13337 /* Keep trying for clean exit */
13341 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13343 if (telnetISR != NULL) {
13344 RemoveInputSource(telnetISR);
13346 if (icsPR != NoProc) {
13347 DestroyChildProcess(icsPR, TRUE);
13350 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13351 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13353 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13354 /* make sure this other one finishes before killing it! */
13355 if(endingGame) { int count = 0;
13356 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13357 while(endingGame && count++ < 10) DoSleep(1);
13358 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13361 /* Kill off chess programs */
13362 if (first.pr != NoProc) {
13365 DoSleep( appData.delayBeforeQuit );
13366 SendToProgram("quit\n", &first);
13367 DoSleep( appData.delayAfterQuit );
13368 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13370 if (second.pr != NoProc) {
13371 DoSleep( appData.delayBeforeQuit );
13372 SendToProgram("quit\n", &second);
13373 DoSleep( appData.delayAfterQuit );
13374 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13376 if (first.isr != NULL) {
13377 RemoveInputSource(first.isr);
13379 if (second.isr != NULL) {
13380 RemoveInputSource(second.isr);
13383 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13384 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13386 ShutDownFrontEnd();
13391 PauseEngine (ChessProgramState *cps)
13393 SendToProgram("pause\n", cps);
13398 UnPauseEngine (ChessProgramState *cps)
13400 SendToProgram("resume\n", cps);
13407 if (appData.debugMode)
13408 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13412 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13414 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13415 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13416 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13418 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13419 HandleMachineMove(stashedInputMove, stalledEngine);
13420 stalledEngine = NULL;
13423 if (gameMode == MachinePlaysWhite ||
13424 gameMode == TwoMachinesPlay ||
13425 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13426 if(first.pause) UnPauseEngine(&first);
13427 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13428 if(second.pause) UnPauseEngine(&second);
13429 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13432 DisplayBothClocks();
13434 if (gameMode == PlayFromGameFile) {
13435 if (appData.timeDelay >= 0)
13436 AutoPlayGameLoop();
13437 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13438 Reset(FALSE, TRUE);
13439 SendToICS(ics_prefix);
13440 SendToICS("refresh\n");
13441 } else if (currentMove < forwardMostMove) {
13442 ForwardInner(forwardMostMove);
13444 pauseExamInvalid = FALSE;
13446 switch (gameMode) {
13450 pauseExamForwardMostMove = forwardMostMove;
13451 pauseExamInvalid = FALSE;
13454 case IcsPlayingWhite:
13455 case IcsPlayingBlack:
13459 case PlayFromGameFile:
13460 (void) StopLoadGameTimer();
13464 case BeginningOfGame:
13465 if (appData.icsActive) return;
13466 /* else fall through */
13467 case MachinePlaysWhite:
13468 case MachinePlaysBlack:
13469 case TwoMachinesPlay:
13470 if (forwardMostMove == 0)
13471 return; /* don't pause if no one has moved */
13472 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13473 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13474 if(onMove->pause) { // thinking engine can be paused
13475 PauseEngine(onMove); // do it
13476 if(onMove->other->pause) // pondering opponent can always be paused immediately
13477 PauseEngine(onMove->other);
13479 SendToProgram("easy\n", onMove->other);
13481 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13482 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13484 PauseEngine(&first);
13486 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13487 } else { // human on move, pause pondering by either method
13489 PauseEngine(&first);
13490 else if(appData.ponderNextMove)
13491 SendToProgram("easy\n", &first);
13494 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13504 EditCommentEvent ()
13506 char title[MSG_SIZ];
13508 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13509 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13511 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13512 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13513 parseList[currentMove - 1]);
13516 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13523 char *tags = PGNTags(&gameInfo);
13525 EditTagsPopUp(tags, NULL);
13532 if(second.analyzing) {
13533 SendToProgram("exit\n", &second);
13534 second.analyzing = FALSE;
13536 if (second.pr == NoProc) StartChessProgram(&second);
13537 InitChessProgram(&second, FALSE);
13538 FeedMovesToProgram(&second, currentMove);
13540 SendToProgram("analyze\n", &second);
13541 second.analyzing = TRUE;
13545 /* Toggle ShowThinking */
13547 ToggleShowThinking()
13549 appData.showThinking = !appData.showThinking;
13550 ShowThinkingEvent();
13554 AnalyzeModeEvent ()
13558 if (!first.analysisSupport) {
13559 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13560 DisplayError(buf, 0);
13563 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13564 if (appData.icsActive) {
13565 if (gameMode != IcsObserving) {
13566 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13567 DisplayError(buf, 0);
13569 if (appData.icsEngineAnalyze) {
13570 if (appData.debugMode)
13571 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13577 /* if enable, user wants to disable icsEngineAnalyze */
13578 if (appData.icsEngineAnalyze) {
13583 appData.icsEngineAnalyze = TRUE;
13584 if (appData.debugMode)
13585 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13588 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13589 if (appData.noChessProgram || gameMode == AnalyzeMode)
13592 if (gameMode != AnalyzeFile) {
13593 if (!appData.icsEngineAnalyze) {
13595 if (gameMode != EditGame) return 0;
13597 if (!appData.showThinking) ToggleShowThinking();
13598 ResurrectChessProgram();
13599 SendToProgram("analyze\n", &first);
13600 first.analyzing = TRUE;
13601 /*first.maybeThinking = TRUE;*/
13602 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13603 EngineOutputPopUp();
13605 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13610 StartAnalysisClock();
13611 GetTimeMark(&lastNodeCountTime);
13617 AnalyzeFileEvent ()
13619 if (appData.noChessProgram || gameMode == AnalyzeFile)
13622 if (!first.analysisSupport) {
13624 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13625 DisplayError(buf, 0);
13629 if (gameMode != AnalyzeMode) {
13630 keepInfo = 1; // mere annotating should not alter PGN tags
13633 if (gameMode != EditGame) return;
13634 if (!appData.showThinking) ToggleShowThinking();
13635 ResurrectChessProgram();
13636 SendToProgram("analyze\n", &first);
13637 first.analyzing = TRUE;
13638 /*first.maybeThinking = TRUE;*/
13639 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13640 EngineOutputPopUp();
13642 gameMode = AnalyzeFile;
13646 StartAnalysisClock();
13647 GetTimeMark(&lastNodeCountTime);
13649 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13650 AnalysisPeriodicEvent(1);
13654 MachineWhiteEvent ()
13657 char *bookHit = NULL;
13659 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13663 if (gameMode == PlayFromGameFile ||
13664 gameMode == TwoMachinesPlay ||
13665 gameMode == Training ||
13666 gameMode == AnalyzeMode ||
13667 gameMode == EndOfGame)
13670 if (gameMode == EditPosition)
13671 EditPositionDone(TRUE);
13673 if (!WhiteOnMove(currentMove)) {
13674 DisplayError(_("It is not White's turn"), 0);
13678 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13681 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13682 gameMode == AnalyzeFile)
13685 ResurrectChessProgram(); /* in case it isn't running */
13686 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13687 gameMode = MachinePlaysWhite;
13690 gameMode = MachinePlaysWhite;
13694 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13696 if (first.sendName) {
13697 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13698 SendToProgram(buf, &first);
13700 if (first.sendTime) {
13701 if (first.useColors) {
13702 SendToProgram("black\n", &first); /*gnu kludge*/
13704 SendTimeRemaining(&first, TRUE);
13706 if (first.useColors) {
13707 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13709 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13710 SetMachineThinkingEnables();
13711 first.maybeThinking = TRUE;
13715 if (appData.autoFlipView && !flipView) {
13716 flipView = !flipView;
13717 DrawPosition(FALSE, NULL);
13718 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13721 if(bookHit) { // [HGM] book: simulate book reply
13722 static char bookMove[MSG_SIZ]; // a bit generous?
13724 programStats.nodes = programStats.depth = programStats.time =
13725 programStats.score = programStats.got_only_move = 0;
13726 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13728 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13729 strcat(bookMove, bookHit);
13730 HandleMachineMove(bookMove, &first);
13735 MachineBlackEvent ()
13738 char *bookHit = NULL;
13740 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13744 if (gameMode == PlayFromGameFile ||
13745 gameMode == TwoMachinesPlay ||
13746 gameMode == Training ||
13747 gameMode == AnalyzeMode ||
13748 gameMode == EndOfGame)
13751 if (gameMode == EditPosition)
13752 EditPositionDone(TRUE);
13754 if (WhiteOnMove(currentMove)) {
13755 DisplayError(_("It is not Black's turn"), 0);
13759 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13762 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13763 gameMode == AnalyzeFile)
13766 ResurrectChessProgram(); /* in case it isn't running */
13767 gameMode = MachinePlaysBlack;
13771 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13773 if (first.sendName) {
13774 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13775 SendToProgram(buf, &first);
13777 if (first.sendTime) {
13778 if (first.useColors) {
13779 SendToProgram("white\n", &first); /*gnu kludge*/
13781 SendTimeRemaining(&first, FALSE);
13783 if (first.useColors) {
13784 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13786 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13787 SetMachineThinkingEnables();
13788 first.maybeThinking = TRUE;
13791 if (appData.autoFlipView && flipView) {
13792 flipView = !flipView;
13793 DrawPosition(FALSE, NULL);
13794 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13796 if(bookHit) { // [HGM] book: simulate book reply
13797 static char bookMove[MSG_SIZ]; // a bit generous?
13799 programStats.nodes = programStats.depth = programStats.time =
13800 programStats.score = programStats.got_only_move = 0;
13801 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13803 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13804 strcat(bookMove, bookHit);
13805 HandleMachineMove(bookMove, &first);
13811 DisplayTwoMachinesTitle ()
13814 if (appData.matchGames > 0) {
13815 if(appData.tourneyFile[0]) {
13816 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13817 gameInfo.white, _("vs."), gameInfo.black,
13818 nextGame+1, appData.matchGames+1,
13819 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13821 if (first.twoMachinesColor[0] == 'w') {
13822 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13823 gameInfo.white, _("vs."), gameInfo.black,
13824 first.matchWins, second.matchWins,
13825 matchGame - 1 - (first.matchWins + second.matchWins));
13827 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13828 gameInfo.white, _("vs."), gameInfo.black,
13829 second.matchWins, first.matchWins,
13830 matchGame - 1 - (first.matchWins + second.matchWins));
13833 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13839 SettingsMenuIfReady ()
13841 if (second.lastPing != second.lastPong) {
13842 DisplayMessage("", _("Waiting for second chess program"));
13843 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13847 DisplayMessage("", "");
13848 SettingsPopUp(&second);
13852 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13855 if (cps->pr == NoProc) {
13856 StartChessProgram(cps);
13857 if (cps->protocolVersion == 1) {
13860 /* kludge: allow timeout for initial "feature" command */
13862 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13863 DisplayMessage("", buf);
13864 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13872 TwoMachinesEvent P((void))
13876 ChessProgramState *onmove;
13877 char *bookHit = NULL;
13878 static int stalling = 0;
13882 if (appData.noChessProgram) return;
13884 switch (gameMode) {
13885 case TwoMachinesPlay:
13887 case MachinePlaysWhite:
13888 case MachinePlaysBlack:
13889 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13890 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13894 case BeginningOfGame:
13895 case PlayFromGameFile:
13898 if (gameMode != EditGame) return;
13901 EditPositionDone(TRUE);
13912 // forwardMostMove = currentMove;
13913 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13915 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13917 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13918 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13919 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13923 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13924 DisplayError("second engine does not play this", 0);
13929 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13930 SendToProgram("force\n", &second);
13932 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13935 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13936 if(appData.matchPause>10000 || appData.matchPause<10)
13937 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13938 wait = SubtractTimeMarks(&now, &pauseStart);
13939 if(wait < appData.matchPause) {
13940 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13943 // we are now committed to starting the game
13945 DisplayMessage("", "");
13946 if (startedFromSetupPosition) {
13947 SendBoard(&second, backwardMostMove);
13948 if (appData.debugMode) {
13949 fprintf(debugFP, "Two Machines\n");
13952 for (i = backwardMostMove; i < forwardMostMove; i++) {
13953 SendMoveToProgram(i, &second);
13956 gameMode = TwoMachinesPlay;
13958 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13960 DisplayTwoMachinesTitle();
13962 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13967 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13968 SendToProgram(first.computerString, &first);
13969 if (first.sendName) {
13970 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13971 SendToProgram(buf, &first);
13973 SendToProgram(second.computerString, &second);
13974 if (second.sendName) {
13975 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13976 SendToProgram(buf, &second);
13980 if (!first.sendTime || !second.sendTime) {
13981 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13982 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13984 if (onmove->sendTime) {
13985 if (onmove->useColors) {
13986 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13988 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13990 if (onmove->useColors) {
13991 SendToProgram(onmove->twoMachinesColor, onmove);
13993 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13994 // SendToProgram("go\n", onmove);
13995 onmove->maybeThinking = TRUE;
13996 SetMachineThinkingEnables();
14000 if(bookHit) { // [HGM] book: simulate book reply
14001 static char bookMove[MSG_SIZ]; // a bit generous?
14003 programStats.nodes = programStats.depth = programStats.time =
14004 programStats.score = programStats.got_only_move = 0;
14005 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14007 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14008 strcat(bookMove, bookHit);
14009 savedMessage = bookMove; // args for deferred call
14010 savedState = onmove;
14011 ScheduleDelayedEvent(DeferredBookMove, 1);
14018 if (gameMode == Training) {
14019 SetTrainingModeOff();
14020 gameMode = PlayFromGameFile;
14021 DisplayMessage("", _("Training mode off"));
14023 gameMode = Training;
14024 animateTraining = appData.animate;
14026 /* make sure we are not already at the end of the game */
14027 if (currentMove < forwardMostMove) {
14028 SetTrainingModeOn();
14029 DisplayMessage("", _("Training mode on"));
14031 gameMode = PlayFromGameFile;
14032 DisplayError(_("Already at end of game"), 0);
14041 if (!appData.icsActive) return;
14042 switch (gameMode) {
14043 case IcsPlayingWhite:
14044 case IcsPlayingBlack:
14047 case BeginningOfGame:
14055 EditPositionDone(TRUE);
14068 gameMode = IcsIdle;
14078 switch (gameMode) {
14080 SetTrainingModeOff();
14082 case MachinePlaysWhite:
14083 case MachinePlaysBlack:
14084 case BeginningOfGame:
14085 SendToProgram("force\n", &first);
14086 SetUserThinkingEnables();
14088 case PlayFromGameFile:
14089 (void) StopLoadGameTimer();
14090 if (gameFileFP != NULL) {
14095 EditPositionDone(TRUE);
14100 SendToProgram("force\n", &first);
14102 case TwoMachinesPlay:
14103 GameEnds(EndOfFile, NULL, GE_PLAYER);
14104 ResurrectChessProgram();
14105 SetUserThinkingEnables();
14108 ResurrectChessProgram();
14110 case IcsPlayingBlack:
14111 case IcsPlayingWhite:
14112 DisplayError(_("Warning: You are still playing a game"), 0);
14115 DisplayError(_("Warning: You are still observing a game"), 0);
14118 DisplayError(_("Warning: You are still examining a game"), 0);
14129 first.offeredDraw = second.offeredDraw = 0;
14131 if (gameMode == PlayFromGameFile) {
14132 whiteTimeRemaining = timeRemaining[0][currentMove];
14133 blackTimeRemaining = timeRemaining[1][currentMove];
14137 if (gameMode == MachinePlaysWhite ||
14138 gameMode == MachinePlaysBlack ||
14139 gameMode == TwoMachinesPlay ||
14140 gameMode == EndOfGame) {
14141 i = forwardMostMove;
14142 while (i > currentMove) {
14143 SendToProgram("undo\n", &first);
14146 if(!adjustedClock) {
14147 whiteTimeRemaining = timeRemaining[0][currentMove];
14148 blackTimeRemaining = timeRemaining[1][currentMove];
14149 DisplayBothClocks();
14151 if (whiteFlag || blackFlag) {
14152 whiteFlag = blackFlag = 0;
14157 gameMode = EditGame;
14164 EditPositionEvent ()
14166 if (gameMode == EditPosition) {
14172 if (gameMode != EditGame) return;
14174 gameMode = EditPosition;
14177 if (currentMove > 0)
14178 CopyBoard(boards[0], boards[currentMove]);
14180 blackPlaysFirst = !WhiteOnMove(currentMove);
14182 currentMove = forwardMostMove = backwardMostMove = 0;
14183 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14185 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14191 /* [DM] icsEngineAnalyze - possible call from other functions */
14192 if (appData.icsEngineAnalyze) {
14193 appData.icsEngineAnalyze = FALSE;
14195 DisplayMessage("",_("Close ICS engine analyze..."));
14197 if (first.analysisSupport && first.analyzing) {
14198 SendToBoth("exit\n");
14199 first.analyzing = second.analyzing = FALSE;
14201 thinkOutput[0] = NULLCHAR;
14205 EditPositionDone (Boolean fakeRights)
14207 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14209 startedFromSetupPosition = TRUE;
14210 InitChessProgram(&first, FALSE);
14211 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14212 boards[0][EP_STATUS] = EP_NONE;
14213 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14214 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14215 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14216 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14217 } else boards[0][CASTLING][2] = NoRights;
14218 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14219 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14220 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14221 } else boards[0][CASTLING][5] = NoRights;
14222 if(gameInfo.variant == VariantSChess) {
14224 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14225 boards[0][VIRGIN][i] = 0;
14226 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14227 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14231 SendToProgram("force\n", &first);
14232 if (blackPlaysFirst) {
14233 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14234 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14235 currentMove = forwardMostMove = backwardMostMove = 1;
14236 CopyBoard(boards[1], boards[0]);
14238 currentMove = forwardMostMove = backwardMostMove = 0;
14240 SendBoard(&first, forwardMostMove);
14241 if (appData.debugMode) {
14242 fprintf(debugFP, "EditPosDone\n");
14245 DisplayMessage("", "");
14246 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14247 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14248 gameMode = EditGame;
14250 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14251 ClearHighlights(); /* [AS] */
14254 /* Pause for `ms' milliseconds */
14255 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14257 TimeDelay (long ms)
14264 } while (SubtractTimeMarks(&m2, &m1) < ms);
14267 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14269 SendMultiLineToICS (char *buf)
14271 char temp[MSG_SIZ+1], *p;
14278 strncpy(temp, buf, len);
14283 if (*p == '\n' || *p == '\r')
14288 strcat(temp, "\n");
14290 SendToPlayer(temp, strlen(temp));
14294 SetWhiteToPlayEvent ()
14296 if (gameMode == EditPosition) {
14297 blackPlaysFirst = FALSE;
14298 DisplayBothClocks(); /* works because currentMove is 0 */
14299 } else if (gameMode == IcsExamining) {
14300 SendToICS(ics_prefix);
14301 SendToICS("tomove white\n");
14306 SetBlackToPlayEvent ()
14308 if (gameMode == EditPosition) {
14309 blackPlaysFirst = TRUE;
14310 currentMove = 1; /* kludge */
14311 DisplayBothClocks();
14313 } else if (gameMode == IcsExamining) {
14314 SendToICS(ics_prefix);
14315 SendToICS("tomove black\n");
14320 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14323 ChessSquare piece = boards[0][y][x];
14325 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14327 switch (selection) {
14329 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14330 SendToICS(ics_prefix);
14331 SendToICS("bsetup clear\n");
14332 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14333 SendToICS(ics_prefix);
14334 SendToICS("clearboard\n");
14336 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14337 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14338 for (y = 0; y < BOARD_HEIGHT; y++) {
14339 if (gameMode == IcsExamining) {
14340 if (boards[currentMove][y][x] != EmptySquare) {
14341 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14346 boards[0][y][x] = p;
14351 if (gameMode == EditPosition) {
14352 DrawPosition(FALSE, boards[0]);
14357 SetWhiteToPlayEvent();
14361 SetBlackToPlayEvent();
14365 if (gameMode == IcsExamining) {
14366 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14367 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14370 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14371 if(x == BOARD_LEFT-2) {
14372 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14373 boards[0][y][1] = 0;
14375 if(x == BOARD_RGHT+1) {
14376 if(y >= gameInfo.holdingsSize) break;
14377 boards[0][y][BOARD_WIDTH-2] = 0;
14380 boards[0][y][x] = EmptySquare;
14381 DrawPosition(FALSE, boards[0]);
14386 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14387 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14388 selection = (ChessSquare) (PROMOTED piece);
14389 } else if(piece == EmptySquare) selection = WhiteSilver;
14390 else selection = (ChessSquare)((int)piece - 1);
14394 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14395 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14396 selection = (ChessSquare) (DEMOTED piece);
14397 } else if(piece == EmptySquare) selection = BlackSilver;
14398 else selection = (ChessSquare)((int)piece + 1);
14403 if(gameInfo.variant == VariantShatranj ||
14404 gameInfo.variant == VariantXiangqi ||
14405 gameInfo.variant == VariantCourier ||
14406 gameInfo.variant == VariantMakruk )
14407 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14412 if(gameInfo.variant == VariantXiangqi)
14413 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14414 if(gameInfo.variant == VariantKnightmate)
14415 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14418 if (gameMode == IcsExamining) {
14419 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14420 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14421 PieceToChar(selection), AAA + x, ONE + y);
14424 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14426 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14427 n = PieceToNumber(selection - BlackPawn);
14428 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14429 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14430 boards[0][BOARD_HEIGHT-1-n][1]++;
14432 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14433 n = PieceToNumber(selection);
14434 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14435 boards[0][n][BOARD_WIDTH-1] = selection;
14436 boards[0][n][BOARD_WIDTH-2]++;
14439 boards[0][y][x] = selection;
14440 DrawPosition(TRUE, boards[0]);
14442 fromX = fromY = -1;
14450 DropMenuEvent (ChessSquare selection, int x, int y)
14452 ChessMove moveType;
14454 switch (gameMode) {
14455 case IcsPlayingWhite:
14456 case MachinePlaysBlack:
14457 if (!WhiteOnMove(currentMove)) {
14458 DisplayMoveError(_("It is Black's turn"));
14461 moveType = WhiteDrop;
14463 case IcsPlayingBlack:
14464 case MachinePlaysWhite:
14465 if (WhiteOnMove(currentMove)) {
14466 DisplayMoveError(_("It is White's turn"));
14469 moveType = BlackDrop;
14472 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14478 if (moveType == BlackDrop && selection < BlackPawn) {
14479 selection = (ChessSquare) ((int) selection
14480 + (int) BlackPawn - (int) WhitePawn);
14482 if (boards[currentMove][y][x] != EmptySquare) {
14483 DisplayMoveError(_("That square is occupied"));
14487 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14493 /* Accept a pending offer of any kind from opponent */
14495 if (appData.icsActive) {
14496 SendToICS(ics_prefix);
14497 SendToICS("accept\n");
14498 } else if (cmailMsgLoaded) {
14499 if (currentMove == cmailOldMove &&
14500 commentList[cmailOldMove] != NULL &&
14501 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14502 "Black offers a draw" : "White offers a draw")) {
14504 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14505 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14507 DisplayError(_("There is no pending offer on this move"), 0);
14508 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14511 /* Not used for offers from chess program */
14518 /* Decline a pending offer of any kind from opponent */
14520 if (appData.icsActive) {
14521 SendToICS(ics_prefix);
14522 SendToICS("decline\n");
14523 } else if (cmailMsgLoaded) {
14524 if (currentMove == cmailOldMove &&
14525 commentList[cmailOldMove] != NULL &&
14526 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14527 "Black offers a draw" : "White offers a draw")) {
14529 AppendComment(cmailOldMove, "Draw declined", TRUE);
14530 DisplayComment(cmailOldMove - 1, "Draw declined");
14533 DisplayError(_("There is no pending offer on this move"), 0);
14536 /* Not used for offers from chess program */
14543 /* Issue ICS rematch command */
14544 if (appData.icsActive) {
14545 SendToICS(ics_prefix);
14546 SendToICS("rematch\n");
14553 /* Call your opponent's flag (claim a win on time) */
14554 if (appData.icsActive) {
14555 SendToICS(ics_prefix);
14556 SendToICS("flag\n");
14558 switch (gameMode) {
14561 case MachinePlaysWhite:
14564 GameEnds(GameIsDrawn, "Both players ran out of time",
14567 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14569 DisplayError(_("Your opponent is not out of time"), 0);
14572 case MachinePlaysBlack:
14575 GameEnds(GameIsDrawn, "Both players ran out of time",
14578 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14580 DisplayError(_("Your opponent is not out of time"), 0);
14588 ClockClick (int which)
14589 { // [HGM] code moved to back-end from winboard.c
14590 if(which) { // black clock
14591 if (gameMode == EditPosition || gameMode == IcsExamining) {
14592 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14593 SetBlackToPlayEvent();
14594 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14595 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14596 } else if (shiftKey) {
14597 AdjustClock(which, -1);
14598 } else if (gameMode == IcsPlayingWhite ||
14599 gameMode == MachinePlaysBlack) {
14602 } else { // white clock
14603 if (gameMode == EditPosition || gameMode == IcsExamining) {
14604 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14605 SetWhiteToPlayEvent();
14606 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14607 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14608 } else if (shiftKey) {
14609 AdjustClock(which, -1);
14610 } else if (gameMode == IcsPlayingBlack ||
14611 gameMode == MachinePlaysWhite) {
14620 /* Offer draw or accept pending draw offer from opponent */
14622 if (appData.icsActive) {
14623 /* Note: tournament rules require draw offers to be
14624 made after you make your move but before you punch
14625 your clock. Currently ICS doesn't let you do that;
14626 instead, you immediately punch your clock after making
14627 a move, but you can offer a draw at any time. */
14629 SendToICS(ics_prefix);
14630 SendToICS("draw\n");
14631 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14632 } else if (cmailMsgLoaded) {
14633 if (currentMove == cmailOldMove &&
14634 commentList[cmailOldMove] != NULL &&
14635 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14636 "Black offers a draw" : "White offers a draw")) {
14637 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14638 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14639 } else if (currentMove == cmailOldMove + 1) {
14640 char *offer = WhiteOnMove(cmailOldMove) ?
14641 "White offers a draw" : "Black offers a draw";
14642 AppendComment(currentMove, offer, TRUE);
14643 DisplayComment(currentMove - 1, offer);
14644 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14646 DisplayError(_("You must make your move before offering a draw"), 0);
14647 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14649 } else if (first.offeredDraw) {
14650 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14652 if (first.sendDrawOffers) {
14653 SendToProgram("draw\n", &first);
14654 userOfferedDraw = TRUE;
14662 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14664 if (appData.icsActive) {
14665 SendToICS(ics_prefix);
14666 SendToICS("adjourn\n");
14668 /* Currently GNU Chess doesn't offer or accept Adjourns */
14676 /* Offer Abort or accept pending Abort offer from opponent */
14678 if (appData.icsActive) {
14679 SendToICS(ics_prefix);
14680 SendToICS("abort\n");
14682 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14689 /* Resign. You can do this even if it's not your turn. */
14691 if (appData.icsActive) {
14692 SendToICS(ics_prefix);
14693 SendToICS("resign\n");
14695 switch (gameMode) {
14696 case MachinePlaysWhite:
14697 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14699 case MachinePlaysBlack:
14700 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14703 if (cmailMsgLoaded) {
14705 if (WhiteOnMove(cmailOldMove)) {
14706 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14708 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14710 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14721 StopObservingEvent ()
14723 /* Stop observing current games */
14724 SendToICS(ics_prefix);
14725 SendToICS("unobserve\n");
14729 StopExaminingEvent ()
14731 /* Stop observing current game */
14732 SendToICS(ics_prefix);
14733 SendToICS("unexamine\n");
14737 ForwardInner (int target)
14739 int limit; int oldSeekGraphUp = seekGraphUp;
14741 if (appData.debugMode)
14742 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14743 target, currentMove, forwardMostMove);
14745 if (gameMode == EditPosition)
14748 seekGraphUp = FALSE;
14749 MarkTargetSquares(1);
14751 if (gameMode == PlayFromGameFile && !pausing)
14754 if (gameMode == IcsExamining && pausing)
14755 limit = pauseExamForwardMostMove;
14757 limit = forwardMostMove;
14759 if (target > limit) target = limit;
14761 if (target > 0 && moveList[target - 1][0]) {
14762 int fromX, fromY, toX, toY;
14763 toX = moveList[target - 1][2] - AAA;
14764 toY = moveList[target - 1][3] - ONE;
14765 if (moveList[target - 1][1] == '@') {
14766 if (appData.highlightLastMove) {
14767 SetHighlights(-1, -1, toX, toY);
14770 fromX = moveList[target - 1][0] - AAA;
14771 fromY = moveList[target - 1][1] - ONE;
14772 if (target == currentMove + 1) {
14773 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14775 if (appData.highlightLastMove) {
14776 SetHighlights(fromX, fromY, toX, toY);
14780 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14781 gameMode == Training || gameMode == PlayFromGameFile ||
14782 gameMode == AnalyzeFile) {
14783 while (currentMove < target) {
14784 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14785 SendMoveToProgram(currentMove++, &first);
14788 currentMove = target;
14791 if (gameMode == EditGame || gameMode == EndOfGame) {
14792 whiteTimeRemaining = timeRemaining[0][currentMove];
14793 blackTimeRemaining = timeRemaining[1][currentMove];
14795 DisplayBothClocks();
14796 DisplayMove(currentMove - 1);
14797 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14798 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14799 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14800 DisplayComment(currentMove - 1, commentList[currentMove]);
14802 ClearMap(); // [HGM] exclude: invalidate map
14809 if (gameMode == IcsExamining && !pausing) {
14810 SendToICS(ics_prefix);
14811 SendToICS("forward\n");
14813 ForwardInner(currentMove + 1);
14820 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14821 /* to optimze, we temporarily turn off analysis mode while we feed
14822 * the remaining moves to the engine. Otherwise we get analysis output
14825 if (first.analysisSupport) {
14826 SendToProgram("exit\nforce\n", &first);
14827 first.analyzing = FALSE;
14831 if (gameMode == IcsExamining && !pausing) {
14832 SendToICS(ics_prefix);
14833 SendToICS("forward 999999\n");
14835 ForwardInner(forwardMostMove);
14838 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14839 /* we have fed all the moves, so reactivate analysis mode */
14840 SendToProgram("analyze\n", &first);
14841 first.analyzing = TRUE;
14842 /*first.maybeThinking = TRUE;*/
14843 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14848 BackwardInner (int target)
14850 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14852 if (appData.debugMode)
14853 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14854 target, currentMove, forwardMostMove);
14856 if (gameMode == EditPosition) return;
14857 seekGraphUp = FALSE;
14858 MarkTargetSquares(1);
14859 if (currentMove <= backwardMostMove) {
14861 DrawPosition(full_redraw, boards[currentMove]);
14864 if (gameMode == PlayFromGameFile && !pausing)
14867 if (moveList[target][0]) {
14868 int fromX, fromY, toX, toY;
14869 toX = moveList[target][2] - AAA;
14870 toY = moveList[target][3] - ONE;
14871 if (moveList[target][1] == '@') {
14872 if (appData.highlightLastMove) {
14873 SetHighlights(-1, -1, toX, toY);
14876 fromX = moveList[target][0] - AAA;
14877 fromY = moveList[target][1] - ONE;
14878 if (target == currentMove - 1) {
14879 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14881 if (appData.highlightLastMove) {
14882 SetHighlights(fromX, fromY, toX, toY);
14886 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14887 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14888 while (currentMove > target) {
14889 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14890 // null move cannot be undone. Reload program with move history before it.
14892 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14893 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14895 SendBoard(&first, i);
14896 if(second.analyzing) SendBoard(&second, i);
14897 for(currentMove=i; currentMove<target; currentMove++) {
14898 SendMoveToProgram(currentMove, &first);
14899 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14903 SendToBoth("undo\n");
14907 currentMove = target;
14910 if (gameMode == EditGame || gameMode == EndOfGame) {
14911 whiteTimeRemaining = timeRemaining[0][currentMove];
14912 blackTimeRemaining = timeRemaining[1][currentMove];
14914 DisplayBothClocks();
14915 DisplayMove(currentMove - 1);
14916 DrawPosition(full_redraw, boards[currentMove]);
14917 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14918 // [HGM] PV info: routine tests if comment empty
14919 DisplayComment(currentMove - 1, commentList[currentMove]);
14920 ClearMap(); // [HGM] exclude: invalidate map
14926 if (gameMode == IcsExamining && !pausing) {
14927 SendToICS(ics_prefix);
14928 SendToICS("backward\n");
14930 BackwardInner(currentMove - 1);
14937 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14938 /* to optimize, we temporarily turn off analysis mode while we undo
14939 * all the moves. Otherwise we get analysis output after each undo.
14941 if (first.analysisSupport) {
14942 SendToProgram("exit\nforce\n", &first);
14943 first.analyzing = FALSE;
14947 if (gameMode == IcsExamining && !pausing) {
14948 SendToICS(ics_prefix);
14949 SendToICS("backward 999999\n");
14951 BackwardInner(backwardMostMove);
14954 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14955 /* we have fed all the moves, so reactivate analysis mode */
14956 SendToProgram("analyze\n", &first);
14957 first.analyzing = TRUE;
14958 /*first.maybeThinking = TRUE;*/
14959 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14966 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14967 if (to >= forwardMostMove) to = forwardMostMove;
14968 if (to <= backwardMostMove) to = backwardMostMove;
14969 if (to < currentMove) {
14977 RevertEvent (Boolean annotate)
14979 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14982 if (gameMode != IcsExamining) {
14983 DisplayError(_("You are not examining a game"), 0);
14987 DisplayError(_("You can't revert while pausing"), 0);
14990 SendToICS(ics_prefix);
14991 SendToICS("revert\n");
14995 RetractMoveEvent ()
14997 switch (gameMode) {
14998 case MachinePlaysWhite:
14999 case MachinePlaysBlack:
15000 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15001 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15004 if (forwardMostMove < 2) return;
15005 currentMove = forwardMostMove = forwardMostMove - 2;
15006 whiteTimeRemaining = timeRemaining[0][currentMove];
15007 blackTimeRemaining = timeRemaining[1][currentMove];
15008 DisplayBothClocks();
15009 DisplayMove(currentMove - 1);
15010 ClearHighlights();/*!! could figure this out*/
15011 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15012 SendToProgram("remove\n", &first);
15013 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15016 case BeginningOfGame:
15020 case IcsPlayingWhite:
15021 case IcsPlayingBlack:
15022 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15023 SendToICS(ics_prefix);
15024 SendToICS("takeback 2\n");
15026 SendToICS(ics_prefix);
15027 SendToICS("takeback 1\n");
15036 ChessProgramState *cps;
15038 switch (gameMode) {
15039 case MachinePlaysWhite:
15040 if (!WhiteOnMove(forwardMostMove)) {
15041 DisplayError(_("It is your turn"), 0);
15046 case MachinePlaysBlack:
15047 if (WhiteOnMove(forwardMostMove)) {
15048 DisplayError(_("It is your turn"), 0);
15053 case TwoMachinesPlay:
15054 if (WhiteOnMove(forwardMostMove) ==
15055 (first.twoMachinesColor[0] == 'w')) {
15061 case BeginningOfGame:
15065 SendToProgram("?\n", cps);
15069 TruncateGameEvent ()
15072 if (gameMode != EditGame) return;
15079 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15080 if (forwardMostMove > currentMove) {
15081 if (gameInfo.resultDetails != NULL) {
15082 free(gameInfo.resultDetails);
15083 gameInfo.resultDetails = NULL;
15084 gameInfo.result = GameUnfinished;
15086 forwardMostMove = currentMove;
15087 HistorySet(parseList, backwardMostMove, forwardMostMove,
15095 if (appData.noChessProgram) return;
15096 switch (gameMode) {
15097 case MachinePlaysWhite:
15098 if (WhiteOnMove(forwardMostMove)) {
15099 DisplayError(_("Wait until your turn"), 0);
15103 case BeginningOfGame:
15104 case MachinePlaysBlack:
15105 if (!WhiteOnMove(forwardMostMove)) {
15106 DisplayError(_("Wait until your turn"), 0);
15111 DisplayError(_("No hint available"), 0);
15114 SendToProgram("hint\n", &first);
15115 hintRequested = TRUE;
15121 ListGame * lg = (ListGame *) gameList.head;
15124 static int secondTime = FALSE;
15126 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15127 DisplayError(_("Game list not loaded or empty"), 0);
15131 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15134 DisplayNote(_("Book file exists! Try again for overwrite."));
15138 creatingBook = TRUE;
15139 secondTime = FALSE;
15141 /* Get list size */
15142 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15143 LoadGame(f, nItem, "", TRUE);
15144 AddGameToBook(TRUE);
15145 lg = (ListGame *) lg->node.succ;
15148 creatingBook = FALSE;
15155 if (appData.noChessProgram) return;
15156 switch (gameMode) {
15157 case MachinePlaysWhite:
15158 if (WhiteOnMove(forwardMostMove)) {
15159 DisplayError(_("Wait until your turn"), 0);
15163 case BeginningOfGame:
15164 case MachinePlaysBlack:
15165 if (!WhiteOnMove(forwardMostMove)) {
15166 DisplayError(_("Wait until your turn"), 0);
15171 EditPositionDone(TRUE);
15173 case TwoMachinesPlay:
15178 SendToProgram("bk\n", &first);
15179 bookOutput[0] = NULLCHAR;
15180 bookRequested = TRUE;
15186 char *tags = PGNTags(&gameInfo);
15187 TagsPopUp(tags, CmailMsg());
15191 /* end button procedures */
15194 PrintPosition (FILE *fp, int move)
15198 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15199 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15200 char c = PieceToChar(boards[move][i][j]);
15201 fputc(c == 'x' ? '.' : c, fp);
15202 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15205 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15206 fprintf(fp, "white to play\n");
15208 fprintf(fp, "black to play\n");
15212 PrintOpponents (FILE *fp)
15214 if (gameInfo.white != NULL) {
15215 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15221 /* Find last component of program's own name, using some heuristics */
15223 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15226 int local = (strcmp(host, "localhost") == 0);
15227 while (!local && (p = strchr(prog, ';')) != NULL) {
15229 while (*p == ' ') p++;
15232 if (*prog == '"' || *prog == '\'') {
15233 q = strchr(prog + 1, *prog);
15235 q = strchr(prog, ' ');
15237 if (q == NULL) q = prog + strlen(prog);
15239 while (p >= prog && *p != '/' && *p != '\\') p--;
15241 if(p == prog && *p == '"') p++;
15243 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15244 memcpy(buf, p, q - p);
15245 buf[q - p] = NULLCHAR;
15253 TimeControlTagValue ()
15256 if (!appData.clockMode) {
15257 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15258 } else if (movesPerSession > 0) {
15259 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15260 } else if (timeIncrement == 0) {
15261 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15263 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15265 return StrSave(buf);
15271 /* This routine is used only for certain modes */
15272 VariantClass v = gameInfo.variant;
15273 ChessMove r = GameUnfinished;
15276 if(keepInfo) return;
15278 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15279 r = gameInfo.result;
15280 p = gameInfo.resultDetails;
15281 gameInfo.resultDetails = NULL;
15283 ClearGameInfo(&gameInfo);
15284 gameInfo.variant = v;
15286 switch (gameMode) {
15287 case MachinePlaysWhite:
15288 gameInfo.event = StrSave( appData.pgnEventHeader );
15289 gameInfo.site = StrSave(HostName());
15290 gameInfo.date = PGNDate();
15291 gameInfo.round = StrSave("-");
15292 gameInfo.white = StrSave(first.tidy);
15293 gameInfo.black = StrSave(UserName());
15294 gameInfo.timeControl = TimeControlTagValue();
15297 case MachinePlaysBlack:
15298 gameInfo.event = StrSave( appData.pgnEventHeader );
15299 gameInfo.site = StrSave(HostName());
15300 gameInfo.date = PGNDate();
15301 gameInfo.round = StrSave("-");
15302 gameInfo.white = StrSave(UserName());
15303 gameInfo.black = StrSave(first.tidy);
15304 gameInfo.timeControl = TimeControlTagValue();
15307 case TwoMachinesPlay:
15308 gameInfo.event = StrSave( appData.pgnEventHeader );
15309 gameInfo.site = StrSave(HostName());
15310 gameInfo.date = PGNDate();
15313 snprintf(buf, MSG_SIZ, "%d", roundNr);
15314 gameInfo.round = StrSave(buf);
15316 gameInfo.round = StrSave("-");
15318 if (first.twoMachinesColor[0] == 'w') {
15319 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15320 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15322 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15323 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15325 gameInfo.timeControl = TimeControlTagValue();
15329 gameInfo.event = StrSave("Edited game");
15330 gameInfo.site = StrSave(HostName());
15331 gameInfo.date = PGNDate();
15332 gameInfo.round = StrSave("-");
15333 gameInfo.white = StrSave("-");
15334 gameInfo.black = StrSave("-");
15335 gameInfo.result = r;
15336 gameInfo.resultDetails = p;
15340 gameInfo.event = StrSave("Edited position");
15341 gameInfo.site = StrSave(HostName());
15342 gameInfo.date = PGNDate();
15343 gameInfo.round = StrSave("-");
15344 gameInfo.white = StrSave("-");
15345 gameInfo.black = StrSave("-");
15348 case IcsPlayingWhite:
15349 case IcsPlayingBlack:
15354 case PlayFromGameFile:
15355 gameInfo.event = StrSave("Game from non-PGN file");
15356 gameInfo.site = StrSave(HostName());
15357 gameInfo.date = PGNDate();
15358 gameInfo.round = StrSave("-");
15359 gameInfo.white = StrSave("?");
15360 gameInfo.black = StrSave("?");
15369 ReplaceComment (int index, char *text)
15375 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15376 pvInfoList[index-1].depth == len &&
15377 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15378 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15379 while (*text == '\n') text++;
15380 len = strlen(text);
15381 while (len > 0 && text[len - 1] == '\n') len--;
15383 if (commentList[index] != NULL)
15384 free(commentList[index]);
15387 commentList[index] = NULL;
15390 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15391 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15392 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15393 commentList[index] = (char *) malloc(len + 2);
15394 strncpy(commentList[index], text, len);
15395 commentList[index][len] = '\n';
15396 commentList[index][len + 1] = NULLCHAR;
15398 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15400 commentList[index] = (char *) malloc(len + 7);
15401 safeStrCpy(commentList[index], "{\n", 3);
15402 safeStrCpy(commentList[index]+2, text, len+1);
15403 commentList[index][len+2] = NULLCHAR;
15404 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15405 strcat(commentList[index], "\n}\n");
15410 CrushCRs (char *text)
15418 if (ch == '\r') continue;
15420 } while (ch != '\0');
15424 AppendComment (int index, char *text, Boolean addBraces)
15425 /* addBraces tells if we should add {} */
15430 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15431 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15434 while (*text == '\n') text++;
15435 len = strlen(text);
15436 while (len > 0 && text[len - 1] == '\n') len--;
15437 text[len] = NULLCHAR;
15439 if (len == 0) return;
15441 if (commentList[index] != NULL) {
15442 Boolean addClosingBrace = addBraces;
15443 old = commentList[index];
15444 oldlen = strlen(old);
15445 while(commentList[index][oldlen-1] == '\n')
15446 commentList[index][--oldlen] = NULLCHAR;
15447 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15448 safeStrCpy(commentList[index], old, oldlen + len + 6);
15450 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15451 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15452 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15453 while (*text == '\n') { text++; len--; }
15454 commentList[index][--oldlen] = NULLCHAR;
15456 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15457 else strcat(commentList[index], "\n");
15458 strcat(commentList[index], text);
15459 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15460 else strcat(commentList[index], "\n");
15462 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15464 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15465 else commentList[index][0] = NULLCHAR;
15466 strcat(commentList[index], text);
15467 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15468 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15473 FindStr (char * text, char * sub_text)
15475 char * result = strstr( text, sub_text );
15477 if( result != NULL ) {
15478 result += strlen( sub_text );
15484 /* [AS] Try to extract PV info from PGN comment */
15485 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15487 GetInfoFromComment (int index, char * text)
15489 char * sep = text, *p;
15491 if( text != NULL && index > 0 ) {
15494 int time = -1, sec = 0, deci;
15495 char * s_eval = FindStr( text, "[%eval " );
15496 char * s_emt = FindStr( text, "[%emt " );
15498 if( s_eval != NULL || s_emt != NULL ) {
15502 if( s_eval != NULL ) {
15503 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15507 if( delim != ']' ) {
15512 if( s_emt != NULL ) {
15517 /* We expect something like: [+|-]nnn.nn/dd */
15520 if(*text != '{') return text; // [HGM] braces: must be normal comment
15522 sep = strchr( text, '/' );
15523 if( sep == NULL || sep < (text+4) ) {
15528 if(p[1] == '(') { // comment starts with PV
15529 p = strchr(p, ')'); // locate end of PV
15530 if(p == NULL || sep < p+5) return text;
15531 // at this point we have something like "{(.*) +0.23/6 ..."
15532 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15533 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15534 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15536 time = -1; sec = -1; deci = -1;
15537 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15538 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15539 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15540 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15544 if( score_lo < 0 || score_lo >= 100 ) {
15548 if(sec >= 0) time = 600*time + 10*sec; else
15549 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15551 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15553 /* [HGM] PV time: now locate end of PV info */
15554 while( *++sep >= '0' && *sep <= '9'); // strip depth
15556 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15558 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15560 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15561 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15572 pvInfoList[index-1].depth = depth;
15573 pvInfoList[index-1].score = score;
15574 pvInfoList[index-1].time = 10*time; // centi-sec
15575 if(*sep == '}') *sep = 0; else *--sep = '{';
15576 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15582 SendToProgram (char *message, ChessProgramState *cps)
15584 int count, outCount, error;
15587 if (cps->pr == NoProc) return;
15590 if (appData.debugMode) {
15593 fprintf(debugFP, "%ld >%-6s: %s",
15594 SubtractTimeMarks(&now, &programStartTime),
15595 cps->which, message);
15597 fprintf(serverFP, "%ld >%-6s: %s",
15598 SubtractTimeMarks(&now, &programStartTime),
15599 cps->which, message), fflush(serverFP);
15602 count = strlen(message);
15603 outCount = OutputToProcess(cps->pr, message, count, &error);
15604 if (outCount < count && !exiting
15605 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15606 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15607 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15608 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15609 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15610 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15611 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15612 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15614 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15615 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15616 gameInfo.result = res;
15618 gameInfo.resultDetails = StrSave(buf);
15620 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15621 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15626 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15630 ChessProgramState *cps = (ChessProgramState *)closure;
15632 if (isr != cps->isr) return; /* Killed intentionally */
15635 RemoveInputSource(cps->isr);
15636 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15637 _(cps->which), cps->program);
15638 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15639 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15640 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15641 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15642 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15643 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15645 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15646 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15647 gameInfo.result = res;
15649 gameInfo.resultDetails = StrSave(buf);
15651 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15652 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15654 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15655 _(cps->which), cps->program);
15656 RemoveInputSource(cps->isr);
15658 /* [AS] Program is misbehaving badly... kill it */
15659 if( count == -2 ) {
15660 DestroyChildProcess( cps->pr, 9 );
15664 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15669 if ((end_str = strchr(message, '\r')) != NULL)
15670 *end_str = NULLCHAR;
15671 if ((end_str = strchr(message, '\n')) != NULL)
15672 *end_str = NULLCHAR;
15674 if (appData.debugMode) {
15675 TimeMark now; int print = 1;
15676 char *quote = ""; char c; int i;
15678 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15679 char start = message[0];
15680 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15681 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15682 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15683 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15684 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15685 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15686 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15687 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15688 sscanf(message, "hint: %c", &c)!=1 &&
15689 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15690 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15691 print = (appData.engineComments >= 2);
15693 message[0] = start; // restore original message
15697 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15698 SubtractTimeMarks(&now, &programStartTime), cps->which,
15702 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15703 SubtractTimeMarks(&now, &programStartTime), cps->which,
15705 message), fflush(serverFP);
15709 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15710 if (appData.icsEngineAnalyze) {
15711 if (strstr(message, "whisper") != NULL ||
15712 strstr(message, "kibitz") != NULL ||
15713 strstr(message, "tellics") != NULL) return;
15716 HandleMachineMove(message, cps);
15721 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15726 if( timeControl_2 > 0 ) {
15727 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15728 tc = timeControl_2;
15731 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15732 inc /= cps->timeOdds;
15733 st /= cps->timeOdds;
15735 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15738 /* Set exact time per move, normally using st command */
15739 if (cps->stKludge) {
15740 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15742 if (seconds == 0) {
15743 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15745 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15748 snprintf(buf, MSG_SIZ, "st %d\n", st);
15751 /* Set conventional or incremental time control, using level command */
15752 if (seconds == 0) {
15753 /* Note old gnuchess bug -- minutes:seconds used to not work.
15754 Fixed in later versions, but still avoid :seconds
15755 when seconds is 0. */
15756 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15758 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15759 seconds, inc/1000.);
15762 SendToProgram(buf, cps);
15764 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15765 /* Orthogonally, limit search to given depth */
15767 if (cps->sdKludge) {
15768 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15770 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15772 SendToProgram(buf, cps);
15775 if(cps->nps >= 0) { /* [HGM] nps */
15776 if(cps->supportsNPS == FALSE)
15777 cps->nps = -1; // don't use if engine explicitly says not supported!
15779 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15780 SendToProgram(buf, cps);
15785 ChessProgramState *
15787 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15789 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15790 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15796 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15798 char message[MSG_SIZ];
15801 /* Note: this routine must be called when the clocks are stopped
15802 or when they have *just* been set or switched; otherwise
15803 it will be off by the time since the current tick started.
15805 if (machineWhite) {
15806 time = whiteTimeRemaining / 10;
15807 otime = blackTimeRemaining / 10;
15809 time = blackTimeRemaining / 10;
15810 otime = whiteTimeRemaining / 10;
15812 /* [HGM] translate opponent's time by time-odds factor */
15813 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15815 if (time <= 0) time = 1;
15816 if (otime <= 0) otime = 1;
15818 snprintf(message, MSG_SIZ, "time %ld\n", time);
15819 SendToProgram(message, cps);
15821 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15822 SendToProgram(message, cps);
15826 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15829 int len = strlen(name);
15832 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15834 sscanf(*p, "%d", &val);
15836 while (**p && **p != ' ')
15838 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15839 SendToProgram(buf, cps);
15846 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15849 int len = strlen(name);
15850 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15852 sscanf(*p, "%d", loc);
15853 while (**p && **p != ' ') (*p)++;
15854 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15855 SendToProgram(buf, cps);
15862 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15865 int len = strlen(name);
15866 if (strncmp((*p), name, len) == 0
15867 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15869 sscanf(*p, "%[^\"]", loc);
15870 while (**p && **p != '\"') (*p)++;
15871 if (**p == '\"') (*p)++;
15872 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15873 SendToProgram(buf, cps);
15880 ParseOption (Option *opt, ChessProgramState *cps)
15881 // [HGM] options: process the string that defines an engine option, and determine
15882 // name, type, default value, and allowed value range
15884 char *p, *q, buf[MSG_SIZ];
15885 int n, min = (-1)<<31, max = 1<<31, def;
15887 if(p = strstr(opt->name, " -spin ")) {
15888 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15889 if(max < min) max = min; // enforce consistency
15890 if(def < min) def = min;
15891 if(def > max) def = max;
15896 } else if((p = strstr(opt->name, " -slider "))) {
15897 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15898 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15899 if(max < min) max = min; // enforce consistency
15900 if(def < min) def = min;
15901 if(def > max) def = max;
15905 opt->type = Spin; // Slider;
15906 } else if((p = strstr(opt->name, " -string "))) {
15907 opt->textValue = p+9;
15908 opt->type = TextBox;
15909 } else if((p = strstr(opt->name, " -file "))) {
15910 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15911 opt->textValue = p+7;
15912 opt->type = FileName; // FileName;
15913 } else if((p = strstr(opt->name, " -path "))) {
15914 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15915 opt->textValue = p+7;
15916 opt->type = PathName; // PathName;
15917 } else if(p = strstr(opt->name, " -check ")) {
15918 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15919 opt->value = (def != 0);
15920 opt->type = CheckBox;
15921 } else if(p = strstr(opt->name, " -combo ")) {
15922 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15923 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15924 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15925 opt->value = n = 0;
15926 while(q = StrStr(q, " /// ")) {
15927 n++; *q = 0; // count choices, and null-terminate each of them
15929 if(*q == '*') { // remember default, which is marked with * prefix
15933 cps->comboList[cps->comboCnt++] = q;
15935 cps->comboList[cps->comboCnt++] = NULL;
15937 opt->type = ComboBox;
15938 } else if(p = strstr(opt->name, " -button")) {
15939 opt->type = Button;
15940 } else if(p = strstr(opt->name, " -save")) {
15941 opt->type = SaveButton;
15942 } else return FALSE;
15943 *p = 0; // terminate option name
15944 // now look if the command-line options define a setting for this engine option.
15945 if(cps->optionSettings && cps->optionSettings[0])
15946 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15947 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15948 snprintf(buf, MSG_SIZ, "option %s", p);
15949 if(p = strstr(buf, ",")) *p = 0;
15950 if(q = strchr(buf, '=')) switch(opt->type) {
15952 for(n=0; n<opt->max; n++)
15953 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15956 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15960 opt->value = atoi(q+1);
15965 SendToProgram(buf, cps);
15971 FeatureDone (ChessProgramState *cps, int val)
15973 DelayedEventCallback cb = GetDelayedEvent();
15974 if ((cb == InitBackEnd3 && cps == &first) ||
15975 (cb == SettingsMenuIfReady && cps == &second) ||
15976 (cb == LoadEngine) ||
15977 (cb == TwoMachinesEventIfReady)) {
15978 CancelDelayedEvent();
15979 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15981 cps->initDone = val;
15984 /* Parse feature command from engine */
15986 ParseFeatures (char *args, ChessProgramState *cps)
15994 while (*p == ' ') p++;
15995 if (*p == NULLCHAR) return;
15997 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15998 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15999 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16000 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16001 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16002 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16003 if (BoolFeature(&p, "reuse", &val, cps)) {
16004 /* Engine can disable reuse, but can't enable it if user said no */
16005 if (!val) cps->reuse = FALSE;
16008 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16009 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16010 if (gameMode == TwoMachinesPlay) {
16011 DisplayTwoMachinesTitle();
16017 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16018 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16019 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16020 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16021 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16022 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16023 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16024 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16025 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16026 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16027 if (IntFeature(&p, "done", &val, cps)) {
16028 FeatureDone(cps, val);
16031 /* Added by Tord: */
16032 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16033 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16034 /* End of additions by Tord */
16036 /* [HGM] added features: */
16037 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16038 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16039 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16040 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16041 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16042 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16043 if (StringFeature(&p, "option", buf, cps)) {
16044 FREE(cps->option[cps->nrOptions].name);
16045 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16046 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16047 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16048 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16049 SendToProgram(buf, cps);
16052 if(cps->nrOptions >= MAX_OPTIONS) {
16054 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16055 DisplayError(buf, 0);
16059 /* End of additions by HGM */
16061 /* unknown feature: complain and skip */
16063 while (*q && *q != '=') q++;
16064 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16065 SendToProgram(buf, cps);
16071 while (*p && *p != '\"') p++;
16072 if (*p == '\"') p++;
16074 while (*p && *p != ' ') p++;
16082 PeriodicUpdatesEvent (int newState)
16084 if (newState == appData.periodicUpdates)
16087 appData.periodicUpdates=newState;
16089 /* Display type changes, so update it now */
16090 // DisplayAnalysis();
16092 /* Get the ball rolling again... */
16094 AnalysisPeriodicEvent(1);
16095 StartAnalysisClock();
16100 PonderNextMoveEvent (int newState)
16102 if (newState == appData.ponderNextMove) return;
16103 if (gameMode == EditPosition) EditPositionDone(TRUE);
16105 SendToProgram("hard\n", &first);
16106 if (gameMode == TwoMachinesPlay) {
16107 SendToProgram("hard\n", &second);
16110 SendToProgram("easy\n", &first);
16111 thinkOutput[0] = NULLCHAR;
16112 if (gameMode == TwoMachinesPlay) {
16113 SendToProgram("easy\n", &second);
16116 appData.ponderNextMove = newState;
16120 NewSettingEvent (int option, int *feature, char *command, int value)
16124 if (gameMode == EditPosition) EditPositionDone(TRUE);
16125 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16126 if(feature == NULL || *feature) SendToProgram(buf, &first);
16127 if (gameMode == TwoMachinesPlay) {
16128 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16133 ShowThinkingEvent ()
16134 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16136 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16137 int newState = appData.showThinking
16138 // [HGM] thinking: other features now need thinking output as well
16139 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16141 if (oldState == newState) return;
16142 oldState = newState;
16143 if (gameMode == EditPosition) EditPositionDone(TRUE);
16145 SendToProgram("post\n", &first);
16146 if (gameMode == TwoMachinesPlay) {
16147 SendToProgram("post\n", &second);
16150 SendToProgram("nopost\n", &first);
16151 thinkOutput[0] = NULLCHAR;
16152 if (gameMode == TwoMachinesPlay) {
16153 SendToProgram("nopost\n", &second);
16156 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16160 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16162 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16163 if (pr == NoProc) return;
16164 AskQuestion(title, question, replyPrefix, pr);
16168 TypeInEvent (char firstChar)
16170 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16171 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16172 gameMode == AnalyzeMode || gameMode == EditGame ||
16173 gameMode == EditPosition || gameMode == IcsExamining ||
16174 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16175 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16176 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16177 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16178 gameMode == Training) PopUpMoveDialog(firstChar);
16182 TypeInDoneEvent (char *move)
16185 int n, fromX, fromY, toX, toY;
16187 ChessMove moveType;
16190 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16191 EditPositionPasteFEN(move);
16194 // [HGM] movenum: allow move number to be typed in any mode
16195 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16199 // undocumented kludge: allow command-line option to be typed in!
16200 // (potentially fatal, and does not implement the effect of the option.)
16201 // should only be used for options that are values on which future decisions will be made,
16202 // and definitely not on options that would be used during initialization.
16203 if(strstr(move, "!!! -") == move) {
16204 ParseArgsFromString(move+4);
16208 if (gameMode != EditGame && currentMove != forwardMostMove &&
16209 gameMode != Training) {
16210 DisplayMoveError(_("Displayed move is not current"));
16212 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16213 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16214 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16215 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16216 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16217 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16219 DisplayMoveError(_("Could not parse move"));
16225 DisplayMove (int moveNumber)
16227 char message[MSG_SIZ];
16229 char cpThinkOutput[MSG_SIZ];
16231 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16233 if (moveNumber == forwardMostMove - 1 ||
16234 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16236 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16238 if (strchr(cpThinkOutput, '\n')) {
16239 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16242 *cpThinkOutput = NULLCHAR;
16245 /* [AS] Hide thinking from human user */
16246 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16247 *cpThinkOutput = NULLCHAR;
16248 if( thinkOutput[0] != NULLCHAR ) {
16251 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16252 cpThinkOutput[i] = '.';
16254 cpThinkOutput[i] = NULLCHAR;
16255 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16259 if (moveNumber == forwardMostMove - 1 &&
16260 gameInfo.resultDetails != NULL) {
16261 if (gameInfo.resultDetails[0] == NULLCHAR) {
16262 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16264 snprintf(res, MSG_SIZ, " {%s} %s",
16265 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16271 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16272 DisplayMessage(res, cpThinkOutput);
16274 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16275 WhiteOnMove(moveNumber) ? " " : ".. ",
16276 parseList[moveNumber], res);
16277 DisplayMessage(message, cpThinkOutput);
16282 DisplayComment (int moveNumber, char *text)
16284 char title[MSG_SIZ];
16286 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16287 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16289 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16290 WhiteOnMove(moveNumber) ? " " : ".. ",
16291 parseList[moveNumber]);
16293 if (text != NULL && (appData.autoDisplayComment || commentUp))
16294 CommentPopUp(title, text);
16297 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16298 * might be busy thinking or pondering. It can be omitted if your
16299 * gnuchess is configured to stop thinking immediately on any user
16300 * input. However, that gnuchess feature depends on the FIONREAD
16301 * ioctl, which does not work properly on some flavors of Unix.
16304 Attention (ChessProgramState *cps)
16307 if (!cps->useSigint) return;
16308 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16309 switch (gameMode) {
16310 case MachinePlaysWhite:
16311 case MachinePlaysBlack:
16312 case TwoMachinesPlay:
16313 case IcsPlayingWhite:
16314 case IcsPlayingBlack:
16317 /* Skip if we know it isn't thinking */
16318 if (!cps->maybeThinking) return;
16319 if (appData.debugMode)
16320 fprintf(debugFP, "Interrupting %s\n", cps->which);
16321 InterruptChildProcess(cps->pr);
16322 cps->maybeThinking = FALSE;
16327 #endif /*ATTENTION*/
16333 if (whiteTimeRemaining <= 0) {
16336 if (appData.icsActive) {
16337 if (appData.autoCallFlag &&
16338 gameMode == IcsPlayingBlack && !blackFlag) {
16339 SendToICS(ics_prefix);
16340 SendToICS("flag\n");
16344 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16346 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16347 if (appData.autoCallFlag) {
16348 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16355 if (blackTimeRemaining <= 0) {
16358 if (appData.icsActive) {
16359 if (appData.autoCallFlag &&
16360 gameMode == IcsPlayingWhite && !whiteFlag) {
16361 SendToICS(ics_prefix);
16362 SendToICS("flag\n");
16366 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16368 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16369 if (appData.autoCallFlag) {
16370 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16381 CheckTimeControl ()
16383 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16384 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16387 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16389 if ( !WhiteOnMove(forwardMostMove) ) {
16390 /* White made time control */
16391 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16392 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16393 /* [HGM] time odds: correct new time quota for time odds! */
16394 / WhitePlayer()->timeOdds;
16395 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16397 lastBlack -= blackTimeRemaining;
16398 /* Black made time control */
16399 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16400 / WhitePlayer()->other->timeOdds;
16401 lastWhite = whiteTimeRemaining;
16406 DisplayBothClocks ()
16408 int wom = gameMode == EditPosition ?
16409 !blackPlaysFirst : WhiteOnMove(currentMove);
16410 DisplayWhiteClock(whiteTimeRemaining, wom);
16411 DisplayBlackClock(blackTimeRemaining, !wom);
16415 /* Timekeeping seems to be a portability nightmare. I think everyone
16416 has ftime(), but I'm really not sure, so I'm including some ifdefs
16417 to use other calls if you don't. Clocks will be less accurate if
16418 you have neither ftime nor gettimeofday.
16421 /* VS 2008 requires the #include outside of the function */
16422 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16423 #include <sys/timeb.h>
16426 /* Get the current time as a TimeMark */
16428 GetTimeMark (TimeMark *tm)
16430 #if HAVE_GETTIMEOFDAY
16432 struct timeval timeVal;
16433 struct timezone timeZone;
16435 gettimeofday(&timeVal, &timeZone);
16436 tm->sec = (long) timeVal.tv_sec;
16437 tm->ms = (int) (timeVal.tv_usec / 1000L);
16439 #else /*!HAVE_GETTIMEOFDAY*/
16442 // include <sys/timeb.h> / moved to just above start of function
16443 struct timeb timeB;
16446 tm->sec = (long) timeB.time;
16447 tm->ms = (int) timeB.millitm;
16449 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16450 tm->sec = (long) time(NULL);
16456 /* Return the difference in milliseconds between two
16457 time marks. We assume the difference will fit in a long!
16460 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16462 return 1000L*(tm2->sec - tm1->sec) +
16463 (long) (tm2->ms - tm1->ms);
16468 * Code to manage the game clocks.
16470 * In tournament play, black starts the clock and then white makes a move.
16471 * We give the human user a slight advantage if he is playing white---the
16472 * clocks don't run until he makes his first move, so it takes zero time.
16473 * Also, we don't account for network lag, so we could get out of sync
16474 * with GNU Chess's clock -- but then, referees are always right.
16477 static TimeMark tickStartTM;
16478 static long intendedTickLength;
16481 NextTickLength (long timeRemaining)
16483 long nominalTickLength, nextTickLength;
16485 if (timeRemaining > 0L && timeRemaining <= 10000L)
16486 nominalTickLength = 100L;
16488 nominalTickLength = 1000L;
16489 nextTickLength = timeRemaining % nominalTickLength;
16490 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16492 return nextTickLength;
16495 /* Adjust clock one minute up or down */
16497 AdjustClock (Boolean which, int dir)
16499 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16500 if(which) blackTimeRemaining += 60000*dir;
16501 else whiteTimeRemaining += 60000*dir;
16502 DisplayBothClocks();
16503 adjustedClock = TRUE;
16506 /* Stop clocks and reset to a fresh time control */
16510 (void) StopClockTimer();
16511 if (appData.icsActive) {
16512 whiteTimeRemaining = blackTimeRemaining = 0;
16513 } else if (searchTime) {
16514 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16515 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16516 } else { /* [HGM] correct new time quote for time odds */
16517 whiteTC = blackTC = fullTimeControlString;
16518 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16519 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16521 if (whiteFlag || blackFlag) {
16523 whiteFlag = blackFlag = FALSE;
16525 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16526 DisplayBothClocks();
16527 adjustedClock = FALSE;
16530 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16532 /* Decrement running clock by amount of time that has passed */
16536 long timeRemaining;
16537 long lastTickLength, fudge;
16540 if (!appData.clockMode) return;
16541 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16545 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16547 /* Fudge if we woke up a little too soon */
16548 fudge = intendedTickLength - lastTickLength;
16549 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16551 if (WhiteOnMove(forwardMostMove)) {
16552 if(whiteNPS >= 0) lastTickLength = 0;
16553 timeRemaining = whiteTimeRemaining -= lastTickLength;
16554 if(timeRemaining < 0 && !appData.icsActive) {
16555 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16556 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16557 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16558 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16561 DisplayWhiteClock(whiteTimeRemaining - fudge,
16562 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16564 if(blackNPS >= 0) lastTickLength = 0;
16565 timeRemaining = blackTimeRemaining -= lastTickLength;
16566 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16567 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16569 blackStartMove = forwardMostMove;
16570 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16573 DisplayBlackClock(blackTimeRemaining - fudge,
16574 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16576 if (CheckFlags()) return;
16578 if(twoBoards) { // count down secondary board's clocks as well
16579 activePartnerTime -= lastTickLength;
16581 if(activePartner == 'W')
16582 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16584 DisplayBlackClock(activePartnerTime, TRUE);
16589 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16590 StartClockTimer(intendedTickLength);
16592 /* if the time remaining has fallen below the alarm threshold, sound the
16593 * alarm. if the alarm has sounded and (due to a takeback or time control
16594 * with increment) the time remaining has increased to a level above the
16595 * threshold, reset the alarm so it can sound again.
16598 if (appData.icsActive && appData.icsAlarm) {
16600 /* make sure we are dealing with the user's clock */
16601 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16602 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16605 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16606 alarmSounded = FALSE;
16607 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16609 alarmSounded = TRUE;
16615 /* A player has just moved, so stop the previously running
16616 clock and (if in clock mode) start the other one.
16617 We redisplay both clocks in case we're in ICS mode, because
16618 ICS gives us an update to both clocks after every move.
16619 Note that this routine is called *after* forwardMostMove
16620 is updated, so the last fractional tick must be subtracted
16621 from the color that is *not* on move now.
16624 SwitchClocks (int newMoveNr)
16626 long lastTickLength;
16628 int flagged = FALSE;
16632 if (StopClockTimer() && appData.clockMode) {
16633 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16634 if (!WhiteOnMove(forwardMostMove)) {
16635 if(blackNPS >= 0) lastTickLength = 0;
16636 blackTimeRemaining -= lastTickLength;
16637 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16638 // if(pvInfoList[forwardMostMove].time == -1)
16639 pvInfoList[forwardMostMove].time = // use GUI time
16640 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16642 if(whiteNPS >= 0) lastTickLength = 0;
16643 whiteTimeRemaining -= lastTickLength;
16644 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16645 // if(pvInfoList[forwardMostMove].time == -1)
16646 pvInfoList[forwardMostMove].time =
16647 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16649 flagged = CheckFlags();
16651 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16652 CheckTimeControl();
16654 if (flagged || !appData.clockMode) return;
16656 switch (gameMode) {
16657 case MachinePlaysBlack:
16658 case MachinePlaysWhite:
16659 case BeginningOfGame:
16660 if (pausing) return;
16664 case PlayFromGameFile:
16672 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16673 if(WhiteOnMove(forwardMostMove))
16674 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16675 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16679 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16680 whiteTimeRemaining : blackTimeRemaining);
16681 StartClockTimer(intendedTickLength);
16685 /* Stop both clocks */
16689 long lastTickLength;
16692 if (!StopClockTimer()) return;
16693 if (!appData.clockMode) return;
16697 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16698 if (WhiteOnMove(forwardMostMove)) {
16699 if(whiteNPS >= 0) lastTickLength = 0;
16700 whiteTimeRemaining -= lastTickLength;
16701 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16703 if(blackNPS >= 0) lastTickLength = 0;
16704 blackTimeRemaining -= lastTickLength;
16705 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16710 /* Start clock of player on move. Time may have been reset, so
16711 if clock is already running, stop and restart it. */
16715 (void) StopClockTimer(); /* in case it was running already */
16716 DisplayBothClocks();
16717 if (CheckFlags()) return;
16719 if (!appData.clockMode) return;
16720 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16722 GetTimeMark(&tickStartTM);
16723 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16724 whiteTimeRemaining : blackTimeRemaining);
16726 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16727 whiteNPS = blackNPS = -1;
16728 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16729 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16730 whiteNPS = first.nps;
16731 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16732 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16733 blackNPS = first.nps;
16734 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16735 whiteNPS = second.nps;
16736 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16737 blackNPS = second.nps;
16738 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16740 StartClockTimer(intendedTickLength);
16744 TimeString (long ms)
16746 long second, minute, hour, day;
16748 static char buf[32];
16750 if (ms > 0 && ms <= 9900) {
16751 /* convert milliseconds to tenths, rounding up */
16752 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16754 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16758 /* convert milliseconds to seconds, rounding up */
16759 /* use floating point to avoid strangeness of integer division
16760 with negative dividends on many machines */
16761 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16768 day = second / (60 * 60 * 24);
16769 second = second % (60 * 60 * 24);
16770 hour = second / (60 * 60);
16771 second = second % (60 * 60);
16772 minute = second / 60;
16773 second = second % 60;
16776 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16777 sign, day, hour, minute, second);
16779 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16781 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16788 * This is necessary because some C libraries aren't ANSI C compliant yet.
16791 StrStr (char *string, char *match)
16795 length = strlen(match);
16797 for (i = strlen(string) - length; i >= 0; i--, string++)
16798 if (!strncmp(match, string, length))
16805 StrCaseStr (char *string, char *match)
16809 length = strlen(match);
16811 for (i = strlen(string) - length; i >= 0; i--, string++) {
16812 for (j = 0; j < length; j++) {
16813 if (ToLower(match[j]) != ToLower(string[j]))
16816 if (j == length) return string;
16824 StrCaseCmp (char *s1, char *s2)
16829 c1 = ToLower(*s1++);
16830 c2 = ToLower(*s2++);
16831 if (c1 > c2) return 1;
16832 if (c1 < c2) return -1;
16833 if (c1 == NULLCHAR) return 0;
16841 return isupper(c) ? tolower(c) : c;
16848 return islower(c) ? toupper(c) : c;
16850 #endif /* !_amigados */
16857 if ((ret = (char *) malloc(strlen(s) + 1)))
16859 safeStrCpy(ret, s, strlen(s)+1);
16865 StrSavePtr (char *s, char **savePtr)
16870 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16871 safeStrCpy(*savePtr, s, strlen(s)+1);
16883 clock = time((time_t *)NULL);
16884 tm = localtime(&clock);
16885 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16886 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16887 return StrSave(buf);
16892 PositionToFEN (int move, char *overrideCastling)
16894 int i, j, fromX, fromY, toX, toY;
16901 whiteToPlay = (gameMode == EditPosition) ?
16902 !blackPlaysFirst : (move % 2 == 0);
16905 /* Piece placement data */
16906 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16907 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16909 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16910 if (boards[move][i][j] == EmptySquare) {
16912 } else { ChessSquare piece = boards[move][i][j];
16913 if (emptycount > 0) {
16914 if(emptycount<10) /* [HGM] can be >= 10 */
16915 *p++ = '0' + emptycount;
16916 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16919 if(PieceToChar(piece) == '+') {
16920 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16922 piece = (ChessSquare)(DEMOTED piece);
16924 *p++ = PieceToChar(piece);
16926 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16927 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16932 if (emptycount > 0) {
16933 if(emptycount<10) /* [HGM] can be >= 10 */
16934 *p++ = '0' + emptycount;
16935 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16942 /* [HGM] print Crazyhouse or Shogi holdings */
16943 if( gameInfo.holdingsWidth ) {
16944 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16946 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16947 piece = boards[move][i][BOARD_WIDTH-1];
16948 if( piece != EmptySquare )
16949 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16950 *p++ = PieceToChar(piece);
16952 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16953 piece = boards[move][BOARD_HEIGHT-i-1][0];
16954 if( piece != EmptySquare )
16955 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16956 *p++ = PieceToChar(piece);
16959 if( q == p ) *p++ = '-';
16965 *p++ = whiteToPlay ? 'w' : 'b';
16968 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16969 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16971 if(nrCastlingRights) {
16973 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16974 /* [HGM] write directly from rights */
16975 if(boards[move][CASTLING][2] != NoRights &&
16976 boards[move][CASTLING][0] != NoRights )
16977 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16978 if(boards[move][CASTLING][2] != NoRights &&
16979 boards[move][CASTLING][1] != NoRights )
16980 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16981 if(boards[move][CASTLING][5] != NoRights &&
16982 boards[move][CASTLING][3] != NoRights )
16983 *p++ = boards[move][CASTLING][3] + AAA;
16984 if(boards[move][CASTLING][5] != NoRights &&
16985 boards[move][CASTLING][4] != NoRights )
16986 *p++ = boards[move][CASTLING][4] + AAA;
16989 /* [HGM] write true castling rights */
16990 if( nrCastlingRights == 6 ) {
16992 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16993 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16994 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16995 boards[move][CASTLING][2] != NoRights );
16996 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16997 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16998 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16999 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17000 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17004 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17005 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17006 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17007 boards[move][CASTLING][5] != NoRights );
17008 if(gameInfo.variant == VariantSChess) {
17009 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17010 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17011 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17012 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17017 if (q == p) *p++ = '-'; /* No castling rights */
17021 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17022 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17023 /* En passant target square */
17024 if (move > backwardMostMove) {
17025 fromX = moveList[move - 1][0] - AAA;
17026 fromY = moveList[move - 1][1] - ONE;
17027 toX = moveList[move - 1][2] - AAA;
17028 toY = moveList[move - 1][3] - ONE;
17029 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17030 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17031 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17033 /* 2-square pawn move just happened */
17035 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17039 } else if(move == backwardMostMove) {
17040 // [HGM] perhaps we should always do it like this, and forget the above?
17041 if((signed char)boards[move][EP_STATUS] >= 0) {
17042 *p++ = boards[move][EP_STATUS] + AAA;
17043 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17054 /* [HGM] find reversible plies */
17055 { int i = 0, j=move;
17057 if (appData.debugMode) { int k;
17058 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17059 for(k=backwardMostMove; k<=forwardMostMove; k++)
17060 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17064 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17065 if( j == backwardMostMove ) i += initialRulePlies;
17066 sprintf(p, "%d ", i);
17067 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17069 /* Fullmove number */
17070 sprintf(p, "%d", (move / 2) + 1);
17072 return StrSave(buf);
17076 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17080 int emptycount, virgin[BOARD_FILES];
17085 /* [HGM] by default clear Crazyhouse holdings, if present */
17086 if(gameInfo.holdingsWidth) {
17087 for(i=0; i<BOARD_HEIGHT; i++) {
17088 board[i][0] = EmptySquare; /* black holdings */
17089 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17090 board[i][1] = (ChessSquare) 0; /* black counts */
17091 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17095 /* Piece placement data */
17096 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17099 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17100 if (*p == '/') p++;
17101 emptycount = gameInfo.boardWidth - j;
17102 while (emptycount--)
17103 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17105 #if(BOARD_FILES >= 10)
17106 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17107 p++; emptycount=10;
17108 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17109 while (emptycount--)
17110 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17112 } else if (isdigit(*p)) {
17113 emptycount = *p++ - '0';
17114 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17115 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17116 while (emptycount--)
17117 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17118 } else if (*p == '+' || isalpha(*p)) {
17119 if (j >= gameInfo.boardWidth) return FALSE;
17121 piece = CharToPiece(*++p);
17122 if(piece == EmptySquare) return FALSE; /* unknown piece */
17123 piece = (ChessSquare) (PROMOTED piece ); p++;
17124 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17125 } else piece = CharToPiece(*p++);
17127 if(piece==EmptySquare) return FALSE; /* unknown piece */
17128 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17129 piece = (ChessSquare) (PROMOTED piece);
17130 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17133 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17139 while (*p == '/' || *p == ' ') p++;
17141 /* [HGM] look for Crazyhouse holdings here */
17142 while(*p==' ') p++;
17143 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17145 if(*p == '-' ) p++; /* empty holdings */ else {
17146 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17147 /* if we would allow FEN reading to set board size, we would */
17148 /* have to add holdings and shift the board read so far here */
17149 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17151 if((int) piece >= (int) BlackPawn ) {
17152 i = (int)piece - (int)BlackPawn;
17153 i = PieceToNumber((ChessSquare)i);
17154 if( i >= gameInfo.holdingsSize ) return FALSE;
17155 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17156 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17158 i = (int)piece - (int)WhitePawn;
17159 i = PieceToNumber((ChessSquare)i);
17160 if( i >= gameInfo.holdingsSize ) return FALSE;
17161 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17162 board[i][BOARD_WIDTH-2]++; /* black holdings */
17169 while(*p == ' ') p++;
17173 if(appData.colorNickNames) {
17174 if( c == appData.colorNickNames[0] ) c = 'w'; else
17175 if( c == appData.colorNickNames[1] ) c = 'b';
17179 *blackPlaysFirst = FALSE;
17182 *blackPlaysFirst = TRUE;
17188 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17189 /* return the extra info in global variiables */
17191 /* set defaults in case FEN is incomplete */
17192 board[EP_STATUS] = EP_UNKNOWN;
17193 for(i=0; i<nrCastlingRights; i++ ) {
17194 board[CASTLING][i] =
17195 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17196 } /* assume possible unless obviously impossible */
17197 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17198 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17199 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17200 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17201 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17202 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17203 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17204 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17207 while(*p==' ') p++;
17208 if(nrCastlingRights) {
17209 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17210 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17211 /* castling indicator present, so default becomes no castlings */
17212 for(i=0; i<nrCastlingRights; i++ ) {
17213 board[CASTLING][i] = NoRights;
17216 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17217 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17218 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17219 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17220 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17222 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17223 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17224 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17226 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17227 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17228 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17229 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17230 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17231 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17234 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17235 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17236 board[CASTLING][2] = whiteKingFile;
17237 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17238 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17241 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17242 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17243 board[CASTLING][2] = whiteKingFile;
17244 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17245 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17248 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17249 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17250 board[CASTLING][5] = blackKingFile;
17251 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17252 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17255 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17256 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17257 board[CASTLING][5] = blackKingFile;
17258 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17259 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17262 default: /* FRC castlings */
17263 if(c >= 'a') { /* black rights */
17264 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17265 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17266 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17267 if(i == BOARD_RGHT) break;
17268 board[CASTLING][5] = i;
17270 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17271 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17273 board[CASTLING][3] = c;
17275 board[CASTLING][4] = c;
17276 } else { /* white rights */
17277 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17278 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17279 if(board[0][i] == WhiteKing) break;
17280 if(i == BOARD_RGHT) break;
17281 board[CASTLING][2] = i;
17282 c -= AAA - 'a' + 'A';
17283 if(board[0][c] >= WhiteKing) break;
17285 board[CASTLING][0] = c;
17287 board[CASTLING][1] = c;
17291 for(i=0; i<nrCastlingRights; i++)
17292 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17293 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17294 if (appData.debugMode) {
17295 fprintf(debugFP, "FEN castling rights:");
17296 for(i=0; i<nrCastlingRights; i++)
17297 fprintf(debugFP, " %d", board[CASTLING][i]);
17298 fprintf(debugFP, "\n");
17301 while(*p==' ') p++;
17304 /* read e.p. field in games that know e.p. capture */
17305 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17306 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17308 p++; board[EP_STATUS] = EP_NONE;
17310 char c = *p++ - AAA;
17312 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17313 if(*p >= '0' && *p <='9') p++;
17314 board[EP_STATUS] = c;
17319 if(sscanf(p, "%d", &i) == 1) {
17320 FENrulePlies = i; /* 50-move ply counter */
17321 /* (The move number is still ignored) */
17328 EditPositionPasteFEN (char *fen)
17331 Board initial_position;
17333 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17334 DisplayError(_("Bad FEN position in clipboard"), 0);
17337 int savedBlackPlaysFirst = blackPlaysFirst;
17338 EditPositionEvent();
17339 blackPlaysFirst = savedBlackPlaysFirst;
17340 CopyBoard(boards[0], initial_position);
17341 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17342 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17343 DisplayBothClocks();
17344 DrawPosition(FALSE, boards[currentMove]);
17349 static char cseq[12] = "\\ ";
17352 set_cont_sequence (char *new_seq)
17357 // handle bad attempts to set the sequence
17359 return 0; // acceptable error - no debug
17361 len = strlen(new_seq);
17362 ret = (len > 0) && (len < sizeof(cseq));
17364 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17365 else if (appData.debugMode)
17366 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17371 reformat a source message so words don't cross the width boundary. internal
17372 newlines are not removed. returns the wrapped size (no null character unless
17373 included in source message). If dest is NULL, only calculate the size required
17374 for the dest buffer. lp argument indicats line position upon entry, and it's
17375 passed back upon exit.
17378 wrap (char *dest, char *src, int count, int width, int *lp)
17380 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17382 cseq_len = strlen(cseq);
17383 old_line = line = *lp;
17384 ansi = len = clen = 0;
17386 for (i=0; i < count; i++)
17388 if (src[i] == '\033')
17391 // if we hit the width, back up
17392 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17394 // store i & len in case the word is too long
17395 old_i = i, old_len = len;
17397 // find the end of the last word
17398 while (i && src[i] != ' ' && src[i] != '\n')
17404 // word too long? restore i & len before splitting it
17405 if ((old_i-i+clen) >= width)
17412 if (i && src[i-1] == ' ')
17415 if (src[i] != ' ' && src[i] != '\n')
17422 // now append the newline and continuation sequence
17427 strncpy(dest+len, cseq, cseq_len);
17435 dest[len] = src[i];
17439 if (src[i] == '\n')
17444 if (dest && appData.debugMode)
17446 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17447 count, width, line, len, *lp);
17448 show_bytes(debugFP, src, count);
17449 fprintf(debugFP, "\ndest: ");
17450 show_bytes(debugFP, dest, len);
17451 fprintf(debugFP, "\n");
17453 *lp = dest ? line : old_line;
17458 // [HGM] vari: routines for shelving variations
17459 Boolean modeRestore = FALSE;
17462 PushInner (int firstMove, int lastMove)
17464 int i, j, nrMoves = lastMove - firstMove;
17466 // push current tail of game on stack
17467 savedResult[storedGames] = gameInfo.result;
17468 savedDetails[storedGames] = gameInfo.resultDetails;
17469 gameInfo.resultDetails = NULL;
17470 savedFirst[storedGames] = firstMove;
17471 savedLast [storedGames] = lastMove;
17472 savedFramePtr[storedGames] = framePtr;
17473 framePtr -= nrMoves; // reserve space for the boards
17474 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17475 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17476 for(j=0; j<MOVE_LEN; j++)
17477 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17478 for(j=0; j<2*MOVE_LEN; j++)
17479 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17480 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17481 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17482 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17483 pvInfoList[firstMove+i-1].depth = 0;
17484 commentList[framePtr+i] = commentList[firstMove+i];
17485 commentList[firstMove+i] = NULL;
17489 forwardMostMove = firstMove; // truncate game so we can start variation
17493 PushTail (int firstMove, int lastMove)
17495 if(appData.icsActive) { // only in local mode
17496 forwardMostMove = currentMove; // mimic old ICS behavior
17499 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17501 PushInner(firstMove, lastMove);
17502 if(storedGames == 1) GreyRevert(FALSE);
17503 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17507 PopInner (Boolean annotate)
17510 char buf[8000], moveBuf[20];
17512 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17513 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17514 nrMoves = savedLast[storedGames] - currentMove;
17517 if(!WhiteOnMove(currentMove))
17518 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17519 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17520 for(i=currentMove; i<forwardMostMove; i++) {
17522 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17523 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17524 strcat(buf, moveBuf);
17525 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17526 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17530 for(i=1; i<=nrMoves; i++) { // copy last variation back
17531 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17532 for(j=0; j<MOVE_LEN; j++)
17533 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17534 for(j=0; j<2*MOVE_LEN; j++)
17535 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17536 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17537 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17538 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17539 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17540 commentList[currentMove+i] = commentList[framePtr+i];
17541 commentList[framePtr+i] = NULL;
17543 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17544 framePtr = savedFramePtr[storedGames];
17545 gameInfo.result = savedResult[storedGames];
17546 if(gameInfo.resultDetails != NULL) {
17547 free(gameInfo.resultDetails);
17549 gameInfo.resultDetails = savedDetails[storedGames];
17550 forwardMostMove = currentMove + nrMoves;
17554 PopTail (Boolean annotate)
17556 if(appData.icsActive) return FALSE; // only in local mode
17557 if(!storedGames) return FALSE; // sanity
17558 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17560 PopInner(annotate);
17561 if(currentMove < forwardMostMove) ForwardEvent(); else
17562 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17564 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17570 { // remove all shelved variations
17572 for(i=0; i<storedGames; i++) {
17573 if(savedDetails[i])
17574 free(savedDetails[i]);
17575 savedDetails[i] = NULL;
17577 for(i=framePtr; i<MAX_MOVES; i++) {
17578 if(commentList[i]) free(commentList[i]);
17579 commentList[i] = NULL;
17581 framePtr = MAX_MOVES-1;
17586 LoadVariation (int index, char *text)
17587 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17588 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17589 int level = 0, move;
17591 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17592 // first find outermost bracketing variation
17593 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17594 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17595 if(*p == '{') wait = '}'; else
17596 if(*p == '[') wait = ']'; else
17597 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17598 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17600 if(*p == wait) wait = NULLCHAR; // closing ]} found
17603 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17604 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17605 end[1] = NULLCHAR; // clip off comment beyond variation
17606 ToNrEvent(currentMove-1);
17607 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17608 // kludge: use ParsePV() to append variation to game
17609 move = currentMove;
17610 ParsePV(start, TRUE, TRUE);
17611 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17612 ClearPremoveHighlights();
17614 ToNrEvent(currentMove+1);
17620 char *p, *q, buf[MSG_SIZ];
17621 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17622 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17623 ParseArgsFromString(buf);
17624 ActivateTheme(TRUE); // also redo colors
17628 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17631 q = appData.themeNames;
17632 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17633 if(appData.useBitmaps) {
17634 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17635 appData.liteBackTextureFile, appData.darkBackTextureFile,
17636 appData.liteBackTextureMode,
17637 appData.darkBackTextureMode );
17639 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17640 Col2Text(2), // lightSquareColor
17641 Col2Text(3) ); // darkSquareColor
17643 if(appData.useBorder) {
17644 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17647 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17649 if(appData.useFont) {
17650 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17651 appData.renderPiecesWithFont,
17652 appData.fontToPieceTable,
17653 Col2Text(9), // appData.fontBackColorWhite
17654 Col2Text(10) ); // appData.fontForeColorBlack
17656 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17657 appData.pieceDirectory);
17658 if(!appData.pieceDirectory[0])
17659 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17660 Col2Text(0), // whitePieceColor
17661 Col2Text(1) ); // blackPieceColor
17663 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17664 Col2Text(4), // highlightSquareColor
17665 Col2Text(5) ); // premoveHighlightColor
17666 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17667 if(insert != q) insert[-1] = NULLCHAR;
17668 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17671 ActivateTheme(FALSE);