2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
246 extern int tinyLayout, smallLayout;
247 ChessProgramStats programStats;
248 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
250 static int exiting = 0; /* [HGM] moved to top */
251 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
252 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
253 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
254 int partnerHighlight[2];
255 Boolean partnerBoardValid = 0;
256 char partnerStatus[MSG_SIZ];
258 Boolean originalFlip;
259 Boolean twoBoards = 0;
260 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
261 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
262 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
263 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
264 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
265 int opponentKibitzes;
266 int lastSavedGame; /* [HGM] save: ID of game */
267 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
268 extern int chatCount;
270 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 char lastMsg[MSG_SIZ];
272 ChessSquare pieceSweep = EmptySquare;
273 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
274 int promoDefaultAltered;
275 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
277 /* States for ics_getting_history */
279 #define H_REQUESTED 1
280 #define H_GOT_REQ_HEADER 2
281 #define H_GOT_UNREQ_HEADER 3
282 #define H_GETTING_MOVES 4
283 #define H_GOT_UNWANTED_HEADER 5
285 /* whosays values for GameEnds */
294 /* Maximum number of games in a cmail message */
295 #define CMAIL_MAX_GAMES 20
297 /* Different types of move when calling RegisterMove */
299 #define CMAIL_RESIGN 1
301 #define CMAIL_ACCEPT 3
303 /* Different types of result to remember for each game */
304 #define CMAIL_NOT_RESULT 0
305 #define CMAIL_OLD_RESULT 1
306 #define CMAIL_NEW_RESULT 2
308 /* Telnet protocol constants */
319 safeStrCpy (char *dst, const char *src, size_t count)
322 assert( dst != NULL );
323 assert( src != NULL );
326 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
327 if( i == count && dst[count-1] != NULLCHAR)
329 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
330 if(appData.debugMode)
331 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
337 /* Some compiler can't cast u64 to double
338 * This function do the job for us:
340 * We use the highest bit for cast, this only
341 * works if the highest bit is not
342 * in use (This should not happen)
344 * We used this for all compiler
347 u64ToDouble (u64 value)
350 u64 tmp = value & u64Const(0x7fffffffffffffff);
351 r = (double)(s64)tmp;
352 if (value & u64Const(0x8000000000000000))
353 r += 9.2233720368547758080e18; /* 2^63 */
357 /* Fake up flags for now, as we aren't keeping track of castling
358 availability yet. [HGM] Change of logic: the flag now only
359 indicates the type of castlings allowed by the rule of the game.
360 The actual rights themselves are maintained in the array
361 castlingRights, as part of the game history, and are not probed
367 int flags = F_ALL_CASTLE_OK;
368 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
369 switch (gameInfo.variant) {
371 flags &= ~F_ALL_CASTLE_OK;
372 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
373 flags |= F_IGNORE_CHECK;
375 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
378 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
380 case VariantKriegspiel:
381 flags |= F_KRIEGSPIEL_CAPTURE;
383 case VariantCapaRandom:
384 case VariantFischeRandom:
385 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
386 case VariantNoCastle:
387 case VariantShatranj:
391 flags &= ~F_ALL_CASTLE_OK;
399 FILE *gameFileFP, *debugFP, *serverFP;
400 char *currentDebugFile; // [HGM] debug split: to remember name
403 [AS] Note: sometimes, the sscanf() function is used to parse the input
404 into a fixed-size buffer. Because of this, we must be prepared to
405 receive strings as long as the size of the input buffer, which is currently
406 set to 4K for Windows and 8K for the rest.
407 So, we must either allocate sufficiently large buffers here, or
408 reduce the size of the input buffer in the input reading part.
411 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
412 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
413 char thinkOutput1[MSG_SIZ*10];
415 ChessProgramState first, second, pairing;
417 /* premove variables */
420 int premoveFromX = 0;
421 int premoveFromY = 0;
422 int premovePromoChar = 0;
424 Boolean alarmSounded;
425 /* end premove variables */
427 char *ics_prefix = "$";
428 enum ICS_TYPE ics_type = ICS_GENERIC;
430 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
431 int pauseExamForwardMostMove = 0;
432 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
433 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
434 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
435 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
436 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
437 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
438 int whiteFlag = FALSE, blackFlag = FALSE;
439 int userOfferedDraw = FALSE;
440 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
441 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
442 int cmailMoveType[CMAIL_MAX_GAMES];
443 long ics_clock_paused = 0;
444 ProcRef icsPR = NoProc, cmailPR = NoProc;
445 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
446 GameMode gameMode = BeginningOfGame;
447 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
448 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
449 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
450 int hiddenThinkOutputState = 0; /* [AS] */
451 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
452 int adjudicateLossPlies = 6;
453 char white_holding[64], black_holding[64];
454 TimeMark lastNodeCountTime;
455 long lastNodeCount=0;
456 int shiftKey, controlKey; // [HGM] set by mouse handler
458 int have_sent_ICS_logon = 0;
460 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
461 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
462 Boolean adjustedClock;
463 long timeControl_2; /* [AS] Allow separate time controls */
464 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
465 long timeRemaining[2][MAX_MOVES];
466 int matchGame = 0, nextGame = 0, roundNr = 0;
467 Boolean waitingForGame = FALSE;
468 TimeMark programStartTime, pauseStart;
469 char ics_handle[MSG_SIZ];
470 int have_set_title = 0;
472 /* animateTraining preserves the state of appData.animate
473 * when Training mode is activated. This allows the
474 * response to be animated when appData.animate == TRUE and
475 * appData.animateDragging == TRUE.
477 Boolean animateTraining;
483 Board boards[MAX_MOVES];
484 /* [HGM] Following 7 needed for accurate legality tests: */
485 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
486 signed char initialRights[BOARD_FILES];
487 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
488 int initialRulePlies, FENrulePlies;
489 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
491 Boolean shuffleOpenings;
492 int mute; // mute all sounds
494 // [HGM] vari: next 12 to save and restore variations
495 #define MAX_VARIATIONS 10
496 int framePtr = MAX_MOVES-1; // points to free stack entry
498 int savedFirst[MAX_VARIATIONS];
499 int savedLast[MAX_VARIATIONS];
500 int savedFramePtr[MAX_VARIATIONS];
501 char *savedDetails[MAX_VARIATIONS];
502 ChessMove savedResult[MAX_VARIATIONS];
504 void PushTail P((int firstMove, int lastMove));
505 Boolean PopTail P((Boolean annotate));
506 void PushInner P((int firstMove, int lastMove));
507 void PopInner P((Boolean annotate));
508 void CleanupTail P((void));
510 ChessSquare FIDEArray[2][BOARD_FILES] = {
511 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
512 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
513 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
514 BlackKing, BlackBishop, BlackKnight, BlackRook }
517 ChessSquare twoKingsArray[2][BOARD_FILES] = {
518 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
519 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
521 BlackKing, BlackKing, BlackKnight, BlackRook }
524 ChessSquare KnightmateArray[2][BOARD_FILES] = {
525 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
526 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
527 { BlackRook, BlackMan, BlackBishop, BlackQueen,
528 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
531 ChessSquare SpartanArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
533 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
534 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
535 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
538 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
539 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
541 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
542 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
545 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
546 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
547 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
548 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
549 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
552 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
553 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
554 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackMan, BlackFerz,
556 BlackKing, BlackMan, BlackKnight, BlackRook }
560 #if (BOARD_FILES>=10)
561 ChessSquare ShogiArray[2][BOARD_FILES] = {
562 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
563 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
564 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
565 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
568 ChessSquare XiangqiArray[2][BOARD_FILES] = {
569 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
570 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
571 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
572 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
575 ChessSquare CapablancaArray[2][BOARD_FILES] = {
576 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
577 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
579 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
582 ChessSquare GreatArray[2][BOARD_FILES] = {
583 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
584 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
585 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
586 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
589 ChessSquare JanusArray[2][BOARD_FILES] = {
590 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
591 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
592 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
593 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
596 ChessSquare GrandArray[2][BOARD_FILES] = {
597 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
598 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
599 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
600 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
604 ChessSquare GothicArray[2][BOARD_FILES] = {
605 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
606 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
607 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
608 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
611 #define GothicArray CapablancaArray
615 ChessSquare FalconArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
617 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
619 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
622 #define FalconArray CapablancaArray
625 #else // !(BOARD_FILES>=10)
626 #define XiangqiPosition FIDEArray
627 #define CapablancaArray FIDEArray
628 #define GothicArray FIDEArray
629 #define GreatArray FIDEArray
630 #endif // !(BOARD_FILES>=10)
632 #if (BOARD_FILES>=12)
633 ChessSquare CourierArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
635 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
636 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
637 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
639 #else // !(BOARD_FILES>=12)
640 #define CourierArray CapablancaArray
641 #endif // !(BOARD_FILES>=12)
644 Board initialPosition;
647 /* Convert str to a rating. Checks for special cases of "----",
649 "++++", etc. Also strips ()'s */
651 string_to_rating (char *str)
653 while(*str && !isdigit(*str)) ++str;
655 return 0; /* One of the special "no rating" cases */
663 /* Init programStats */
664 programStats.movelist[0] = 0;
665 programStats.depth = 0;
666 programStats.nr_moves = 0;
667 programStats.moves_left = 0;
668 programStats.nodes = 0;
669 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
670 programStats.score = 0;
671 programStats.got_only_move = 0;
672 programStats.got_fail = 0;
673 programStats.line_is_book = 0;
678 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
679 if (appData.firstPlaysBlack) {
680 first.twoMachinesColor = "black\n";
681 second.twoMachinesColor = "white\n";
683 first.twoMachinesColor = "white\n";
684 second.twoMachinesColor = "black\n";
687 first.other = &second;
688 second.other = &first;
691 if(appData.timeOddsMode) {
692 norm = appData.timeOdds[0];
693 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
695 first.timeOdds = appData.timeOdds[0]/norm;
696 second.timeOdds = appData.timeOdds[1]/norm;
699 if(programVersion) free(programVersion);
700 if (appData.noChessProgram) {
701 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
702 sprintf(programVersion, "%s", PACKAGE_STRING);
704 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
705 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
706 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
711 UnloadEngine (ChessProgramState *cps)
713 /* Kill off first chess program */
714 if (cps->isr != NULL)
715 RemoveInputSource(cps->isr);
718 if (cps->pr != NoProc) {
720 DoSleep( appData.delayBeforeQuit );
721 SendToProgram("quit\n", cps);
722 DoSleep( appData.delayAfterQuit );
723 DestroyChildProcess(cps->pr, cps->useSigterm);
726 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
730 ClearOptions (ChessProgramState *cps)
733 cps->nrOptions = cps->comboCnt = 0;
734 for(i=0; i<MAX_OPTIONS; i++) {
735 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
736 cps->option[i].textValue = 0;
740 char *engineNames[] = {
741 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
744 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
745 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
750 InitEngine (ChessProgramState *cps, int n)
751 { // [HGM] all engine initialiation put in a function that does one engine
755 cps->which = engineNames[n];
756 cps->maybeThinking = FALSE;
760 cps->sendDrawOffers = 1;
762 cps->program = appData.chessProgram[n];
763 cps->host = appData.host[n];
764 cps->dir = appData.directory[n];
765 cps->initString = appData.engInitString[n];
766 cps->computerString = appData.computerString[n];
767 cps->useSigint = TRUE;
768 cps->useSigterm = TRUE;
769 cps->reuse = appData.reuse[n];
770 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
771 cps->useSetboard = FALSE;
773 cps->usePing = FALSE;
776 cps->usePlayother = FALSE;
777 cps->useColors = TRUE;
778 cps->useUsermove = FALSE;
779 cps->sendICS = FALSE;
780 cps->sendName = appData.icsActive;
781 cps->sdKludge = FALSE;
782 cps->stKludge = FALSE;
783 TidyProgramName(cps->program, cps->host, cps->tidy);
785 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
786 cps->analysisSupport = 2; /* detect */
787 cps->analyzing = FALSE;
788 cps->initDone = FALSE;
790 /* New features added by Tord: */
791 cps->useFEN960 = FALSE;
792 cps->useOOCastle = TRUE;
793 /* End of new features added by Tord. */
794 cps->fenOverride = appData.fenOverride[n];
796 /* [HGM] time odds: set factor for each machine */
797 cps->timeOdds = appData.timeOdds[n];
799 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
800 cps->accumulateTC = appData.accumulateTC[n];
801 cps->maxNrOfSessions = 1;
806 cps->supportsNPS = UNKNOWN;
807 cps->memSize = FALSE;
808 cps->maxCores = FALSE;
809 cps->egtFormats[0] = NULLCHAR;
812 cps->optionSettings = appData.engOptions[n];
814 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
815 cps->isUCI = appData.isUCI[n]; /* [AS] */
816 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
818 if (appData.protocolVersion[n] > PROTOVER
819 || appData.protocolVersion[n] < 1)
824 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
825 appData.protocolVersion[n]);
826 if( (len >= MSG_SIZ) && appData.debugMode )
827 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
829 DisplayFatalError(buf, 0, 2);
833 cps->protocolVersion = appData.protocolVersion[n];
836 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
837 ParseFeatures(appData.featureDefaults, cps);
840 ChessProgramState *savCps;
846 if(WaitForEngine(savCps, LoadEngine)) return;
847 CommonEngineInit(); // recalculate time odds
848 if(gameInfo.variant != StringToVariant(appData.variant)) {
849 // we changed variant when loading the engine; this forces us to reset
850 Reset(TRUE, savCps != &first);
851 EditGameEvent(); // for consistency with other path, as Reset changes mode
853 InitChessProgram(savCps, FALSE);
854 SendToProgram("force\n", savCps);
855 DisplayMessage("", "");
856 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
857 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
863 ReplaceEngine (ChessProgramState *cps, int n)
867 appData.noChessProgram = FALSE;
868 appData.clockMode = TRUE;
871 if(n) return; // only startup first engine immediately; second can wait
872 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
876 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
877 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
879 static char resetOptions[] =
880 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
881 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
882 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
883 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
886 FloatToFront(char **list, char *engineLine)
888 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
890 if(appData.recentEngines <= 0) return;
891 TidyProgramName(engineLine, "localhost", tidy+1);
892 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
893 strncpy(buf+1, *list, MSG_SIZ-50);
894 if(p = strstr(buf, tidy)) { // tidy name appears in list
895 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
896 while(*p++ = *++q); // squeeze out
898 strcat(tidy, buf+1); // put list behind tidy name
899 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
900 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
901 ASSIGN(*list, tidy+1);
904 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
907 Load (ChessProgramState *cps, int i)
909 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
910 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
911 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
912 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
913 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
914 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
915 appData.firstProtocolVersion = PROTOVER;
916 ParseArgsFromString(buf);
918 ReplaceEngine(cps, i);
919 FloatToFront(&appData.recentEngineList, engineLine);
923 while(q = strchr(p, SLASH)) p = q+1;
924 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
925 if(engineDir[0] != NULLCHAR) {
926 ASSIGN(appData.directory[i], engineDir); p = engineName;
927 } else if(p != engineName) { // derive directory from engine path, when not given
929 ASSIGN(appData.directory[i], engineName);
931 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
932 } else { ASSIGN(appData.directory[i], "."); }
934 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
935 snprintf(command, MSG_SIZ, "%s %s", p, params);
938 ASSIGN(appData.chessProgram[i], p);
939 appData.isUCI[i] = isUCI;
940 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
941 appData.hasOwnBookUCI[i] = hasBook;
942 if(!nickName[0]) useNick = FALSE;
943 if(useNick) ASSIGN(appData.pgnName[i], nickName);
947 q = firstChessProgramNames;
948 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
949 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
950 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
951 quote, p, quote, appData.directory[i],
952 useNick ? " -fn \"" : "",
953 useNick ? nickName : "",
955 v1 ? " -firstProtocolVersion 1" : "",
956 hasBook ? "" : " -fNoOwnBookUCI",
957 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
958 storeVariant ? " -variant " : "",
959 storeVariant ? VariantName(gameInfo.variant) : "");
960 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
961 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
962 if(insert != q) insert[-1] = NULLCHAR;
963 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
965 FloatToFront(&appData.recentEngineList, buf);
967 ReplaceEngine(cps, i);
973 int matched, min, sec;
975 * Parse timeControl resource
977 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
978 appData.movesPerSession)) {
980 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
981 DisplayFatalError(buf, 0, 2);
985 * Parse searchTime resource
987 if (*appData.searchTime != NULLCHAR) {
988 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
990 searchTime = min * 60;
991 } else if (matched == 2) {
992 searchTime = min * 60 + sec;
995 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
996 DisplayFatalError(buf, 0, 2);
1005 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1006 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1008 GetTimeMark(&programStartTime);
1009 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1010 appData.seedBase = random() + (random()<<15);
1011 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1013 ClearProgramStats();
1014 programStats.ok_to_send = 1;
1015 programStats.seen_stat = 0;
1018 * Initialize game list
1024 * Internet chess server status
1026 if (appData.icsActive) {
1027 appData.matchMode = FALSE;
1028 appData.matchGames = 0;
1030 appData.noChessProgram = !appData.zippyPlay;
1032 appData.zippyPlay = FALSE;
1033 appData.zippyTalk = FALSE;
1034 appData.noChessProgram = TRUE;
1036 if (*appData.icsHelper != NULLCHAR) {
1037 appData.useTelnet = TRUE;
1038 appData.telnetProgram = appData.icsHelper;
1041 appData.zippyTalk = appData.zippyPlay = FALSE;
1044 /* [AS] Initialize pv info list [HGM] and game state */
1048 for( i=0; i<=framePtr; i++ ) {
1049 pvInfoList[i].depth = -1;
1050 boards[i][EP_STATUS] = EP_NONE;
1051 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1057 /* [AS] Adjudication threshold */
1058 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1060 InitEngine(&first, 0);
1061 InitEngine(&second, 1);
1064 pairing.which = "pairing"; // pairing engine
1065 pairing.pr = NoProc;
1067 pairing.program = appData.pairingEngine;
1068 pairing.host = "localhost";
1071 if (appData.icsActive) {
1072 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1073 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1074 appData.clockMode = FALSE;
1075 first.sendTime = second.sendTime = 0;
1079 /* Override some settings from environment variables, for backward
1080 compatibility. Unfortunately it's not feasible to have the env
1081 vars just set defaults, at least in xboard. Ugh.
1083 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1088 if (!appData.icsActive) {
1092 /* Check for variants that are supported only in ICS mode,
1093 or not at all. Some that are accepted here nevertheless
1094 have bugs; see comments below.
1096 VariantClass variant = StringToVariant(appData.variant);
1098 case VariantBughouse: /* need four players and two boards */
1099 case VariantKriegspiel: /* need to hide pieces and move details */
1100 /* case VariantFischeRandom: (Fabien: moved below) */
1101 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1102 if( (len >= MSG_SIZ) && appData.debugMode )
1103 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1105 DisplayFatalError(buf, 0, 2);
1108 case VariantUnknown:
1109 case VariantLoadable:
1119 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1120 if( (len >= MSG_SIZ) && appData.debugMode )
1121 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1123 DisplayFatalError(buf, 0, 2);
1126 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1127 case VariantFairy: /* [HGM] TestLegality definitely off! */
1128 case VariantGothic: /* [HGM] should work */
1129 case VariantCapablanca: /* [HGM] should work */
1130 case VariantCourier: /* [HGM] initial forced moves not implemented */
1131 case VariantShogi: /* [HGM] could still mate with pawn drop */
1132 case VariantKnightmate: /* [HGM] should work */
1133 case VariantCylinder: /* [HGM] untested */
1134 case VariantFalcon: /* [HGM] untested */
1135 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1136 offboard interposition not understood */
1137 case VariantNormal: /* definitely works! */
1138 case VariantWildCastle: /* pieces not automatically shuffled */
1139 case VariantNoCastle: /* pieces not automatically shuffled */
1140 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1141 case VariantLosers: /* should work except for win condition,
1142 and doesn't know captures are mandatory */
1143 case VariantSuicide: /* should work except for win condition,
1144 and doesn't know captures are mandatory */
1145 case VariantGiveaway: /* should work except for win condition,
1146 and doesn't know captures are mandatory */
1147 case VariantTwoKings: /* should work */
1148 case VariantAtomic: /* should work except for win condition */
1149 case Variant3Check: /* should work except for win condition */
1150 case VariantShatranj: /* should work except for all win conditions */
1151 case VariantMakruk: /* should work except for draw countdown */
1152 case VariantBerolina: /* might work if TestLegality is off */
1153 case VariantCapaRandom: /* should work */
1154 case VariantJanus: /* should work */
1155 case VariantSuper: /* experimental */
1156 case VariantGreat: /* experimental, requires legality testing to be off */
1157 case VariantSChess: /* S-Chess, should work */
1158 case VariantGrand: /* should work */
1159 case VariantSpartan: /* should work */
1167 NextIntegerFromString (char ** str, long * value)
1172 while( *s == ' ' || *s == '\t' ) {
1178 if( *s >= '0' && *s <= '9' ) {
1179 while( *s >= '0' && *s <= '9' ) {
1180 *value = *value * 10 + (*s - '0');
1193 NextTimeControlFromString (char ** str, long * value)
1196 int result = NextIntegerFromString( str, &temp );
1199 *value = temp * 60; /* Minutes */
1200 if( **str == ':' ) {
1202 result = NextIntegerFromString( str, &temp );
1203 *value += temp; /* Seconds */
1211 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1212 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1213 int result = -1, type = 0; long temp, temp2;
1215 if(**str != ':') return -1; // old params remain in force!
1217 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1218 if( NextIntegerFromString( str, &temp ) ) return -1;
1219 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1222 /* time only: incremental or sudden-death time control */
1223 if(**str == '+') { /* increment follows; read it */
1225 if(**str == '!') type = *(*str)++; // Bronstein TC
1226 if(result = NextIntegerFromString( str, &temp2)) return -1;
1227 *inc = temp2 * 1000;
1228 if(**str == '.') { // read fraction of increment
1229 char *start = ++(*str);
1230 if(result = NextIntegerFromString( str, &temp2)) return -1;
1232 while(start++ < *str) temp2 /= 10;
1236 *moves = 0; *tc = temp * 1000; *incType = type;
1240 (*str)++; /* classical time control */
1241 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1253 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1254 { /* [HGM] get time to add from the multi-session time-control string */
1255 int incType, moves=1; /* kludge to force reading of first session */
1256 long time, increment;
1259 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1261 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1262 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1263 if(movenr == -1) return time; /* last move before new session */
1264 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1265 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1266 if(!moves) return increment; /* current session is incremental */
1267 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1268 } while(movenr >= -1); /* try again for next session */
1270 return 0; // no new time quota on this move
1274 ParseTimeControl (char *tc, float ti, int mps)
1278 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1281 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1282 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1283 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1287 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1292 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1294 snprintf(buf, MSG_SIZ, ":%s", mytc);
1296 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1298 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1303 /* Parse second time control */
1306 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1314 timeControl_2 = tc2 * 1000;
1324 timeControl = tc1 * 1000;
1327 timeIncrement = ti * 1000; /* convert to ms */
1328 movesPerSession = 0;
1331 movesPerSession = mps;
1339 if (appData.debugMode) {
1340 fprintf(debugFP, "%s\n", programVersion);
1342 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1344 set_cont_sequence(appData.wrapContSeq);
1345 if (appData.matchGames > 0) {
1346 appData.matchMode = TRUE;
1347 } else if (appData.matchMode) {
1348 appData.matchGames = 1;
1350 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1351 appData.matchGames = appData.sameColorGames;
1352 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1353 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1354 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1357 if (appData.noChessProgram || first.protocolVersion == 1) {
1360 /* kludge: allow timeout for initial "feature" commands */
1362 DisplayMessage("", _("Starting chess program"));
1363 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1368 CalculateIndex (int index, int gameNr)
1369 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1371 if(index > 0) return index; // fixed nmber
1372 if(index == 0) return 1;
1373 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1374 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1379 LoadGameOrPosition (int gameNr)
1380 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1381 if (*appData.loadGameFile != NULLCHAR) {
1382 if (!LoadGameFromFile(appData.loadGameFile,
1383 CalculateIndex(appData.loadGameIndex, gameNr),
1384 appData.loadGameFile, FALSE)) {
1385 DisplayFatalError(_("Bad game file"), 0, 1);
1388 } else if (*appData.loadPositionFile != NULLCHAR) {
1389 if (!LoadPositionFromFile(appData.loadPositionFile,
1390 CalculateIndex(appData.loadPositionIndex, gameNr),
1391 appData.loadPositionFile)) {
1392 DisplayFatalError(_("Bad position file"), 0, 1);
1400 ReserveGame (int gameNr, char resChar)
1402 FILE *tf = fopen(appData.tourneyFile, "r+");
1403 char *p, *q, c, buf[MSG_SIZ];
1404 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1405 safeStrCpy(buf, lastMsg, MSG_SIZ);
1406 DisplayMessage(_("Pick new game"), "");
1407 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1408 ParseArgsFromFile(tf);
1409 p = q = appData.results;
1410 if(appData.debugMode) {
1411 char *r = appData.participants;
1412 fprintf(debugFP, "results = '%s'\n", p);
1413 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1414 fprintf(debugFP, "\n");
1416 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1418 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1419 safeStrCpy(q, p, strlen(p) + 2);
1420 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1421 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1422 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1423 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1426 fseek(tf, -(strlen(p)+4), SEEK_END);
1428 if(c != '"') // depending on DOS or Unix line endings we can be one off
1429 fseek(tf, -(strlen(p)+2), SEEK_END);
1430 else fseek(tf, -(strlen(p)+3), SEEK_END);
1431 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1432 DisplayMessage(buf, "");
1433 free(p); appData.results = q;
1434 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1435 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1436 int round = appData.defaultMatchGames * appData.tourneyType;
1437 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1438 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1439 UnloadEngine(&first); // next game belongs to other pairing;
1440 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1442 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1446 MatchEvent (int mode)
1447 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1449 if(matchMode) { // already in match mode: switch it off
1451 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1454 // if(gameMode != BeginningOfGame) {
1455 // DisplayError(_("You can only start a match from the initial position."), 0);
1459 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1460 /* Set up machine vs. machine match */
1462 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1463 if(appData.tourneyFile[0]) {
1465 if(nextGame > appData.matchGames) {
1467 if(strchr(appData.results, '*') == NULL) {
1469 appData.tourneyCycles++;
1470 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1472 NextTourneyGame(-1, &dummy);
1474 if(nextGame <= appData.matchGames) {
1475 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1477 ScheduleDelayedEvent(NextMatchGame, 10000);
1482 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1483 DisplayError(buf, 0);
1484 appData.tourneyFile[0] = 0;
1488 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1489 DisplayFatalError(_("Can't have a match with no chess programs"),
1494 matchGame = roundNr = 1;
1495 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1499 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1502 InitBackEnd3 P((void))
1504 GameMode initialMode;
1508 InitChessProgram(&first, startedFromSetupPosition);
1510 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1511 free(programVersion);
1512 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1513 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1514 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1517 if (appData.icsActive) {
1519 /* [DM] Make a console window if needed [HGM] merged ifs */
1525 if (*appData.icsCommPort != NULLCHAR)
1526 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1527 appData.icsCommPort);
1529 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1530 appData.icsHost, appData.icsPort);
1532 if( (len >= MSG_SIZ) && appData.debugMode )
1533 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1535 DisplayFatalError(buf, err, 1);
1540 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1542 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1543 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1544 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1545 } else if (appData.noChessProgram) {
1551 if (*appData.cmailGameName != NULLCHAR) {
1553 OpenLoopback(&cmailPR);
1555 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1559 DisplayMessage("", "");
1560 if (StrCaseCmp(appData.initialMode, "") == 0) {
1561 initialMode = BeginningOfGame;
1562 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1563 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1564 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1565 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1568 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1569 initialMode = TwoMachinesPlay;
1570 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1571 initialMode = AnalyzeFile;
1572 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1573 initialMode = AnalyzeMode;
1574 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1575 initialMode = MachinePlaysWhite;
1576 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1577 initialMode = MachinePlaysBlack;
1578 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1579 initialMode = EditGame;
1580 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1581 initialMode = EditPosition;
1582 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1583 initialMode = Training;
1585 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1586 if( (len >= MSG_SIZ) && appData.debugMode )
1587 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1589 DisplayFatalError(buf, 0, 2);
1593 if (appData.matchMode) {
1594 if(appData.tourneyFile[0]) { // start tourney from command line
1596 if(f = fopen(appData.tourneyFile, "r")) {
1597 ParseArgsFromFile(f); // make sure tourney parmeters re known
1599 appData.clockMode = TRUE;
1601 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1604 } else if (*appData.cmailGameName != NULLCHAR) {
1605 /* Set up cmail mode */
1606 ReloadCmailMsgEvent(TRUE);
1608 /* Set up other modes */
1609 if (initialMode == AnalyzeFile) {
1610 if (*appData.loadGameFile == NULLCHAR) {
1611 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1615 if (*appData.loadGameFile != NULLCHAR) {
1616 (void) LoadGameFromFile(appData.loadGameFile,
1617 appData.loadGameIndex,
1618 appData.loadGameFile, TRUE);
1619 } else if (*appData.loadPositionFile != NULLCHAR) {
1620 (void) LoadPositionFromFile(appData.loadPositionFile,
1621 appData.loadPositionIndex,
1622 appData.loadPositionFile);
1623 /* [HGM] try to make self-starting even after FEN load */
1624 /* to allow automatic setup of fairy variants with wtm */
1625 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1626 gameMode = BeginningOfGame;
1627 setboardSpoiledMachineBlack = 1;
1629 /* [HGM] loadPos: make that every new game uses the setup */
1630 /* from file as long as we do not switch variant */
1631 if(!blackPlaysFirst) {
1632 startedFromPositionFile = TRUE;
1633 CopyBoard(filePosition, boards[0]);
1636 if (initialMode == AnalyzeMode) {
1637 if (appData.noChessProgram) {
1638 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1641 if (appData.icsActive) {
1642 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1646 } else if (initialMode == AnalyzeFile) {
1647 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1648 ShowThinkingEvent();
1650 AnalysisPeriodicEvent(1);
1651 } else if (initialMode == MachinePlaysWhite) {
1652 if (appData.noChessProgram) {
1653 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1657 if (appData.icsActive) {
1658 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1662 MachineWhiteEvent();
1663 } else if (initialMode == MachinePlaysBlack) {
1664 if (appData.noChessProgram) {
1665 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1669 if (appData.icsActive) {
1670 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1674 MachineBlackEvent();
1675 } else if (initialMode == TwoMachinesPlay) {
1676 if (appData.noChessProgram) {
1677 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1681 if (appData.icsActive) {
1682 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1687 } else if (initialMode == EditGame) {
1689 } else if (initialMode == EditPosition) {
1690 EditPositionEvent();
1691 } else if (initialMode == Training) {
1692 if (*appData.loadGameFile == NULLCHAR) {
1693 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1702 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1704 DisplayBook(current+1);
1706 MoveHistorySet( movelist, first, last, current, pvInfoList );
1708 EvalGraphSet( first, last, current, pvInfoList );
1710 MakeEngineOutputTitle();
1714 * Establish will establish a contact to a remote host.port.
1715 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1716 * used to talk to the host.
1717 * Returns 0 if okay, error code if not.
1724 if (*appData.icsCommPort != NULLCHAR) {
1725 /* Talk to the host through a serial comm port */
1726 return OpenCommPort(appData.icsCommPort, &icsPR);
1728 } else if (*appData.gateway != NULLCHAR) {
1729 if (*appData.remoteShell == NULLCHAR) {
1730 /* Use the rcmd protocol to run telnet program on a gateway host */
1731 snprintf(buf, sizeof(buf), "%s %s %s",
1732 appData.telnetProgram, appData.icsHost, appData.icsPort);
1733 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1736 /* Use the rsh program to run telnet program on a gateway host */
1737 if (*appData.remoteUser == NULLCHAR) {
1738 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1739 appData.gateway, appData.telnetProgram,
1740 appData.icsHost, appData.icsPort);
1742 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1743 appData.remoteShell, appData.gateway,
1744 appData.remoteUser, appData.telnetProgram,
1745 appData.icsHost, appData.icsPort);
1747 return StartChildProcess(buf, "", &icsPR);
1750 } else if (appData.useTelnet) {
1751 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1754 /* TCP socket interface differs somewhat between
1755 Unix and NT; handle details in the front end.
1757 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1762 EscapeExpand (char *p, char *q)
1763 { // [HGM] initstring: routine to shape up string arguments
1764 while(*p++ = *q++) if(p[-1] == '\\')
1766 case 'n': p[-1] = '\n'; break;
1767 case 'r': p[-1] = '\r'; break;
1768 case 't': p[-1] = '\t'; break;
1769 case '\\': p[-1] = '\\'; break;
1770 case 0: *p = 0; return;
1771 default: p[-1] = q[-1]; break;
1776 show_bytes (FILE *fp, char *buf, int count)
1779 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1780 fprintf(fp, "\\%03o", *buf & 0xff);
1789 /* Returns an errno value */
1791 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1793 char buf[8192], *p, *q, *buflim;
1794 int left, newcount, outcount;
1796 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1797 *appData.gateway != NULLCHAR) {
1798 if (appData.debugMode) {
1799 fprintf(debugFP, ">ICS: ");
1800 show_bytes(debugFP, message, count);
1801 fprintf(debugFP, "\n");
1803 return OutputToProcess(pr, message, count, outError);
1806 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1813 if (appData.debugMode) {
1814 fprintf(debugFP, ">ICS: ");
1815 show_bytes(debugFP, buf, newcount);
1816 fprintf(debugFP, "\n");
1818 outcount = OutputToProcess(pr, buf, newcount, outError);
1819 if (outcount < newcount) return -1; /* to be sure */
1826 } else if (((unsigned char) *p) == TN_IAC) {
1827 *q++ = (char) TN_IAC;
1834 if (appData.debugMode) {
1835 fprintf(debugFP, ">ICS: ");
1836 show_bytes(debugFP, buf, newcount);
1837 fprintf(debugFP, "\n");
1839 outcount = OutputToProcess(pr, buf, newcount, outError);
1840 if (outcount < newcount) return -1; /* to be sure */
1845 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1847 int outError, outCount;
1848 static int gotEof = 0;
1851 /* Pass data read from player on to ICS */
1854 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1855 if (outCount < count) {
1856 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1858 if(have_sent_ICS_logon == 2) {
1859 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1860 fprintf(ini, "%s", message);
1861 have_sent_ICS_logon = 3;
1863 have_sent_ICS_logon = 1;
1864 } else if(have_sent_ICS_logon == 3) {
1865 fprintf(ini, "%s", message);
1867 have_sent_ICS_logon = 1;
1869 } else if (count < 0) {
1870 RemoveInputSource(isr);
1871 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1872 } else if (gotEof++ > 0) {
1873 RemoveInputSource(isr);
1874 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1880 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1881 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1882 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1883 SendToICS("date\n");
1884 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1887 /* added routine for printf style output to ics */
1889 ics_printf (char *format, ...)
1891 char buffer[MSG_SIZ];
1894 va_start(args, format);
1895 vsnprintf(buffer, sizeof(buffer), format, args);
1896 buffer[sizeof(buffer)-1] = '\0';
1904 int count, outCount, outError;
1906 if (icsPR == NoProc) return;
1909 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1910 if (outCount < count) {
1911 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1915 /* This is used for sending logon scripts to the ICS. Sending
1916 without a delay causes problems when using timestamp on ICC
1917 (at least on my machine). */
1919 SendToICSDelayed (char *s, long msdelay)
1921 int count, outCount, outError;
1923 if (icsPR == NoProc) return;
1926 if (appData.debugMode) {
1927 fprintf(debugFP, ">ICS: ");
1928 show_bytes(debugFP, s, count);
1929 fprintf(debugFP, "\n");
1931 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1933 if (outCount < count) {
1934 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1939 /* Remove all highlighting escape sequences in s
1940 Also deletes any suffix starting with '('
1943 StripHighlightAndTitle (char *s)
1945 static char retbuf[MSG_SIZ];
1948 while (*s != NULLCHAR) {
1949 while (*s == '\033') {
1950 while (*s != NULLCHAR && !isalpha(*s)) s++;
1951 if (*s != NULLCHAR) s++;
1953 while (*s != NULLCHAR && *s != '\033') {
1954 if (*s == '(' || *s == '[') {
1965 /* Remove all highlighting escape sequences in s */
1967 StripHighlight (char *s)
1969 static char retbuf[MSG_SIZ];
1972 while (*s != NULLCHAR) {
1973 while (*s == '\033') {
1974 while (*s != NULLCHAR && !isalpha(*s)) s++;
1975 if (*s != NULLCHAR) s++;
1977 while (*s != NULLCHAR && *s != '\033') {
1985 char *variantNames[] = VARIANT_NAMES;
1987 VariantName (VariantClass v)
1989 return variantNames[v];
1993 /* Identify a variant from the strings the chess servers use or the
1994 PGN Variant tag names we use. */
1996 StringToVariant (char *e)
2000 VariantClass v = VariantNormal;
2001 int i, found = FALSE;
2007 /* [HGM] skip over optional board-size prefixes */
2008 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2009 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2010 while( *e++ != '_');
2013 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2017 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2018 if (StrCaseStr(e, variantNames[i])) {
2019 v = (VariantClass) i;
2026 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2027 || StrCaseStr(e, "wild/fr")
2028 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2029 v = VariantFischeRandom;
2030 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2031 (i = 1, p = StrCaseStr(e, "w"))) {
2033 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2040 case 0: /* FICS only, actually */
2042 /* Castling legal even if K starts on d-file */
2043 v = VariantWildCastle;
2048 /* Castling illegal even if K & R happen to start in
2049 normal positions. */
2050 v = VariantNoCastle;
2063 /* Castling legal iff K & R start in normal positions */
2069 /* Special wilds for position setup; unclear what to do here */
2070 v = VariantLoadable;
2073 /* Bizarre ICC game */
2074 v = VariantTwoKings;
2077 v = VariantKriegspiel;
2083 v = VariantFischeRandom;
2086 v = VariantCrazyhouse;
2089 v = VariantBughouse;
2095 /* Not quite the same as FICS suicide! */
2096 v = VariantGiveaway;
2102 v = VariantShatranj;
2105 /* Temporary names for future ICC types. The name *will* change in
2106 the next xboard/WinBoard release after ICC defines it. */
2144 v = VariantCapablanca;
2147 v = VariantKnightmate;
2153 v = VariantCylinder;
2159 v = VariantCapaRandom;
2162 v = VariantBerolina;
2174 /* Found "wild" or "w" in the string but no number;
2175 must assume it's normal chess. */
2179 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2180 if( (len >= MSG_SIZ) && appData.debugMode )
2181 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2183 DisplayError(buf, 0);
2189 if (appData.debugMode) {
2190 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2191 e, wnum, VariantName(v));
2196 static int leftover_start = 0, leftover_len = 0;
2197 char star_match[STAR_MATCH_N][MSG_SIZ];
2199 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2200 advance *index beyond it, and set leftover_start to the new value of
2201 *index; else return FALSE. If pattern contains the character '*', it
2202 matches any sequence of characters not containing '\r', '\n', or the
2203 character following the '*' (if any), and the matched sequence(s) are
2204 copied into star_match.
2207 looking_at ( char *buf, int *index, char *pattern)
2209 char *bufp = &buf[*index], *patternp = pattern;
2211 char *matchp = star_match[0];
2214 if (*patternp == NULLCHAR) {
2215 *index = leftover_start = bufp - buf;
2219 if (*bufp == NULLCHAR) return FALSE;
2220 if (*patternp == '*') {
2221 if (*bufp == *(patternp + 1)) {
2223 matchp = star_match[++star_count];
2227 } else if (*bufp == '\n' || *bufp == '\r') {
2229 if (*patternp == NULLCHAR)
2234 *matchp++ = *bufp++;
2238 if (*patternp != *bufp) return FALSE;
2245 SendToPlayer (char *data, int length)
2247 int error, outCount;
2248 outCount = OutputToProcess(NoProc, data, length, &error);
2249 if (outCount < length) {
2250 DisplayFatalError(_("Error writing to display"), error, 1);
2255 PackHolding (char packed[], char *holding)
2265 switch (runlength) {
2276 sprintf(q, "%d", runlength);
2288 /* Telnet protocol requests from the front end */
2290 TelnetRequest (unsigned char ddww, unsigned char option)
2292 unsigned char msg[3];
2293 int outCount, outError;
2295 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2297 if (appData.debugMode) {
2298 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2314 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2323 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2326 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2331 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2333 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2340 if (!appData.icsActive) return;
2341 TelnetRequest(TN_DO, TN_ECHO);
2347 if (!appData.icsActive) return;
2348 TelnetRequest(TN_DONT, TN_ECHO);
2352 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2354 /* put the holdings sent to us by the server on the board holdings area */
2355 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2359 if(gameInfo.holdingsWidth < 2) return;
2360 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2361 return; // prevent overwriting by pre-board holdings
2363 if( (int)lowestPiece >= BlackPawn ) {
2366 holdingsStartRow = BOARD_HEIGHT-1;
2369 holdingsColumn = BOARD_WIDTH-1;
2370 countsColumn = BOARD_WIDTH-2;
2371 holdingsStartRow = 0;
2375 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2376 board[i][holdingsColumn] = EmptySquare;
2377 board[i][countsColumn] = (ChessSquare) 0;
2379 while( (p=*holdings++) != NULLCHAR ) {
2380 piece = CharToPiece( ToUpper(p) );
2381 if(piece == EmptySquare) continue;
2382 /*j = (int) piece - (int) WhitePawn;*/
2383 j = PieceToNumber(piece);
2384 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2385 if(j < 0) continue; /* should not happen */
2386 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2387 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2388 board[holdingsStartRow+j*direction][countsColumn]++;
2394 VariantSwitch (Board board, VariantClass newVariant)
2396 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2397 static Board oldBoard;
2399 startedFromPositionFile = FALSE;
2400 if(gameInfo.variant == newVariant) return;
2402 /* [HGM] This routine is called each time an assignment is made to
2403 * gameInfo.variant during a game, to make sure the board sizes
2404 * are set to match the new variant. If that means adding or deleting
2405 * holdings, we shift the playing board accordingly
2406 * This kludge is needed because in ICS observe mode, we get boards
2407 * of an ongoing game without knowing the variant, and learn about the
2408 * latter only later. This can be because of the move list we requested,
2409 * in which case the game history is refilled from the beginning anyway,
2410 * but also when receiving holdings of a crazyhouse game. In the latter
2411 * case we want to add those holdings to the already received position.
2415 if (appData.debugMode) {
2416 fprintf(debugFP, "Switch board from %s to %s\n",
2417 VariantName(gameInfo.variant), VariantName(newVariant));
2418 setbuf(debugFP, NULL);
2420 shuffleOpenings = 0; /* [HGM] shuffle */
2421 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2425 newWidth = 9; newHeight = 9;
2426 gameInfo.holdingsSize = 7;
2427 case VariantBughouse:
2428 case VariantCrazyhouse:
2429 newHoldingsWidth = 2; break;
2433 newHoldingsWidth = 2;
2434 gameInfo.holdingsSize = 8;
2437 case VariantCapablanca:
2438 case VariantCapaRandom:
2441 newHoldingsWidth = gameInfo.holdingsSize = 0;
2444 if(newWidth != gameInfo.boardWidth ||
2445 newHeight != gameInfo.boardHeight ||
2446 newHoldingsWidth != gameInfo.holdingsWidth ) {
2448 /* shift position to new playing area, if needed */
2449 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2450 for(i=0; i<BOARD_HEIGHT; i++)
2451 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2452 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2454 for(i=0; i<newHeight; i++) {
2455 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2456 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2458 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2459 for(i=0; i<BOARD_HEIGHT; i++)
2460 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2461 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2464 board[HOLDINGS_SET] = 0;
2465 gameInfo.boardWidth = newWidth;
2466 gameInfo.boardHeight = newHeight;
2467 gameInfo.holdingsWidth = newHoldingsWidth;
2468 gameInfo.variant = newVariant;
2469 InitDrawingSizes(-2, 0);
2470 } else gameInfo.variant = newVariant;
2471 CopyBoard(oldBoard, board); // remember correctly formatted board
2472 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2473 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2476 static int loggedOn = FALSE;
2478 /*-- Game start info cache: --*/
2480 char gs_kind[MSG_SIZ];
2481 static char player1Name[128] = "";
2482 static char player2Name[128] = "";
2483 static char cont_seq[] = "\n\\ ";
2484 static int player1Rating = -1;
2485 static int player2Rating = -1;
2486 /*----------------------------*/
2488 ColorClass curColor = ColorNormal;
2489 int suppressKibitz = 0;
2492 Boolean soughtPending = FALSE;
2493 Boolean seekGraphUp;
2494 #define MAX_SEEK_ADS 200
2496 char *seekAdList[MAX_SEEK_ADS];
2497 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2498 float tcList[MAX_SEEK_ADS];
2499 char colorList[MAX_SEEK_ADS];
2500 int nrOfSeekAds = 0;
2501 int minRating = 1010, maxRating = 2800;
2502 int hMargin = 10, vMargin = 20, h, w;
2503 extern int squareSize, lineGap;
2508 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2509 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2510 if(r < minRating+100 && r >=0 ) r = minRating+100;
2511 if(r > maxRating) r = maxRating;
2512 if(tc < 1.f) tc = 1.f;
2513 if(tc > 95.f) tc = 95.f;
2514 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2515 y = ((double)r - minRating)/(maxRating - minRating)
2516 * (h-vMargin-squareSize/8-1) + vMargin;
2517 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2518 if(strstr(seekAdList[i], " u ")) color = 1;
2519 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2520 !strstr(seekAdList[i], "bullet") &&
2521 !strstr(seekAdList[i], "blitz") &&
2522 !strstr(seekAdList[i], "standard") ) color = 2;
2523 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2524 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2528 PlotSingleSeekAd (int i)
2534 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2536 char buf[MSG_SIZ], *ext = "";
2537 VariantClass v = StringToVariant(type);
2538 if(strstr(type, "wild")) {
2539 ext = type + 4; // append wild number
2540 if(v == VariantFischeRandom) type = "chess960"; else
2541 if(v == VariantLoadable) type = "setup"; else
2542 type = VariantName(v);
2544 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2545 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2546 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2547 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2548 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2549 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2550 seekNrList[nrOfSeekAds] = nr;
2551 zList[nrOfSeekAds] = 0;
2552 seekAdList[nrOfSeekAds++] = StrSave(buf);
2553 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2558 EraseSeekDot (int i)
2560 int x = xList[i], y = yList[i], d=squareSize/4, k;
2561 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2562 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2563 // now replot every dot that overlapped
2564 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2565 int xx = xList[k], yy = yList[k];
2566 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2567 DrawSeekDot(xx, yy, colorList[k]);
2572 RemoveSeekAd (int nr)
2575 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2577 if(seekAdList[i]) free(seekAdList[i]);
2578 seekAdList[i] = seekAdList[--nrOfSeekAds];
2579 seekNrList[i] = seekNrList[nrOfSeekAds];
2580 ratingList[i] = ratingList[nrOfSeekAds];
2581 colorList[i] = colorList[nrOfSeekAds];
2582 tcList[i] = tcList[nrOfSeekAds];
2583 xList[i] = xList[nrOfSeekAds];
2584 yList[i] = yList[nrOfSeekAds];
2585 zList[i] = zList[nrOfSeekAds];
2586 seekAdList[nrOfSeekAds] = NULL;
2592 MatchSoughtLine (char *line)
2594 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2595 int nr, base, inc, u=0; char dummy;
2597 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2598 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2600 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2601 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2602 // match: compact and save the line
2603 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2613 if(!seekGraphUp) return FALSE;
2614 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2615 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2617 DrawSeekBackground(0, 0, w, h);
2618 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2619 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2620 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2621 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2623 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2626 snprintf(buf, MSG_SIZ, "%d", i);
2627 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2630 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2631 for(i=1; i<100; i+=(i<10?1:5)) {
2632 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2633 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2634 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2636 snprintf(buf, MSG_SIZ, "%d", i);
2637 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2640 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2645 SeekGraphClick (ClickType click, int x, int y, int moving)
2647 static int lastDown = 0, displayed = 0, lastSecond;
2648 if(y < 0) return FALSE;
2649 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2650 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2651 if(!seekGraphUp) return FALSE;
2652 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2653 DrawPosition(TRUE, NULL);
2656 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2657 if(click == Release || moving) return FALSE;
2659 soughtPending = TRUE;
2660 SendToICS(ics_prefix);
2661 SendToICS("sought\n"); // should this be "sought all"?
2662 } else { // issue challenge based on clicked ad
2663 int dist = 10000; int i, closest = 0, second = 0;
2664 for(i=0; i<nrOfSeekAds; i++) {
2665 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2666 if(d < dist) { dist = d; closest = i; }
2667 second += (d - zList[i] < 120); // count in-range ads
2668 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2672 second = (second > 1);
2673 if(displayed != closest || second != lastSecond) {
2674 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2675 lastSecond = second; displayed = closest;
2677 if(click == Press) {
2678 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2681 } // on press 'hit', only show info
2682 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2683 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2684 SendToICS(ics_prefix);
2686 return TRUE; // let incoming board of started game pop down the graph
2687 } else if(click == Release) { // release 'miss' is ignored
2688 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2689 if(moving == 2) { // right up-click
2690 nrOfSeekAds = 0; // refresh graph
2691 soughtPending = TRUE;
2692 SendToICS(ics_prefix);
2693 SendToICS("sought\n"); // should this be "sought all"?
2696 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2697 // press miss or release hit 'pop down' seek graph
2698 seekGraphUp = FALSE;
2699 DrawPosition(TRUE, NULL);
2705 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2707 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2708 #define STARTED_NONE 0
2709 #define STARTED_MOVES 1
2710 #define STARTED_BOARD 2
2711 #define STARTED_OBSERVE 3
2712 #define STARTED_HOLDINGS 4
2713 #define STARTED_CHATTER 5
2714 #define STARTED_COMMENT 6
2715 #define STARTED_MOVES_NOHIDE 7
2717 static int started = STARTED_NONE;
2718 static char parse[20000];
2719 static int parse_pos = 0;
2720 static char buf[BUF_SIZE + 1];
2721 static int firstTime = TRUE, intfSet = FALSE;
2722 static ColorClass prevColor = ColorNormal;
2723 static int savingComment = FALSE;
2724 static int cmatch = 0; // continuation sequence match
2731 int backup; /* [DM] For zippy color lines */
2733 char talker[MSG_SIZ]; // [HGM] chat
2736 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2738 if (appData.debugMode) {
2740 fprintf(debugFP, "<ICS: ");
2741 show_bytes(debugFP, data, count);
2742 fprintf(debugFP, "\n");
2746 if (appData.debugMode) { int f = forwardMostMove;
2747 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2748 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2749 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2752 /* If last read ended with a partial line that we couldn't parse,
2753 prepend it to the new read and try again. */
2754 if (leftover_len > 0) {
2755 for (i=0; i<leftover_len; i++)
2756 buf[i] = buf[leftover_start + i];
2759 /* copy new characters into the buffer */
2760 bp = buf + leftover_len;
2761 buf_len=leftover_len;
2762 for (i=0; i<count; i++)
2765 if (data[i] == '\r')
2768 // join lines split by ICS?
2769 if (!appData.noJoin)
2772 Joining just consists of finding matches against the
2773 continuation sequence, and discarding that sequence
2774 if found instead of copying it. So, until a match
2775 fails, there's nothing to do since it might be the
2776 complete sequence, and thus, something we don't want
2779 if (data[i] == cont_seq[cmatch])
2782 if (cmatch == strlen(cont_seq))
2784 cmatch = 0; // complete match. just reset the counter
2787 it's possible for the ICS to not include the space
2788 at the end of the last word, making our [correct]
2789 join operation fuse two separate words. the server
2790 does this when the space occurs at the width setting.
2792 if (!buf_len || buf[buf_len-1] != ' ')
2803 match failed, so we have to copy what matched before
2804 falling through and copying this character. In reality,
2805 this will only ever be just the newline character, but
2806 it doesn't hurt to be precise.
2808 strncpy(bp, cont_seq, cmatch);
2820 buf[buf_len] = NULLCHAR;
2821 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2826 while (i < buf_len) {
2827 /* Deal with part of the TELNET option negotiation
2828 protocol. We refuse to do anything beyond the
2829 defaults, except that we allow the WILL ECHO option,
2830 which ICS uses to turn off password echoing when we are
2831 directly connected to it. We reject this option
2832 if localLineEditing mode is on (always on in xboard)
2833 and we are talking to port 23, which might be a real
2834 telnet server that will try to keep WILL ECHO on permanently.
2836 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2837 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2838 unsigned char option;
2840 switch ((unsigned char) buf[++i]) {
2842 if (appData.debugMode)
2843 fprintf(debugFP, "\n<WILL ");
2844 switch (option = (unsigned char) buf[++i]) {
2846 if (appData.debugMode)
2847 fprintf(debugFP, "ECHO ");
2848 /* Reply only if this is a change, according
2849 to the protocol rules. */
2850 if (remoteEchoOption) break;
2851 if (appData.localLineEditing &&
2852 atoi(appData.icsPort) == TN_PORT) {
2853 TelnetRequest(TN_DONT, TN_ECHO);
2856 TelnetRequest(TN_DO, TN_ECHO);
2857 remoteEchoOption = TRUE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", option);
2863 /* Whatever this is, we don't want it. */
2864 TelnetRequest(TN_DONT, option);
2869 if (appData.debugMode)
2870 fprintf(debugFP, "\n<WONT ");
2871 switch (option = (unsigned char) buf[++i]) {
2873 if (appData.debugMode)
2874 fprintf(debugFP, "ECHO ");
2875 /* Reply only if this is a change, according
2876 to the protocol rules. */
2877 if (!remoteEchoOption) break;
2879 TelnetRequest(TN_DONT, TN_ECHO);
2880 remoteEchoOption = FALSE;
2883 if (appData.debugMode)
2884 fprintf(debugFP, "%d ", (unsigned char) option);
2885 /* Whatever this is, it must already be turned
2886 off, because we never agree to turn on
2887 anything non-default, so according to the
2888 protocol rules, we don't reply. */
2893 if (appData.debugMode)
2894 fprintf(debugFP, "\n<DO ");
2895 switch (option = (unsigned char) buf[++i]) {
2897 /* Whatever this is, we refuse to do it. */
2898 if (appData.debugMode)
2899 fprintf(debugFP, "%d ", option);
2900 TelnetRequest(TN_WONT, option);
2905 if (appData.debugMode)
2906 fprintf(debugFP, "\n<DONT ");
2907 switch (option = (unsigned char) buf[++i]) {
2909 if (appData.debugMode)
2910 fprintf(debugFP, "%d ", option);
2911 /* Whatever this is, we are already not doing
2912 it, because we never agree to do anything
2913 non-default, so according to the protocol
2914 rules, we don't reply. */
2919 if (appData.debugMode)
2920 fprintf(debugFP, "\n<IAC ");
2921 /* Doubled IAC; pass it through */
2925 if (appData.debugMode)
2926 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2927 /* Drop all other telnet commands on the floor */
2930 if (oldi > next_out)
2931 SendToPlayer(&buf[next_out], oldi - next_out);
2937 /* OK, this at least will *usually* work */
2938 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2942 if (loggedOn && !intfSet) {
2943 if (ics_type == ICS_ICC) {
2944 snprintf(str, MSG_SIZ,
2945 "/set-quietly interface %s\n/set-quietly style 12\n",
2947 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2948 strcat(str, "/set-2 51 1\n/set seek 1\n");
2949 } else if (ics_type == ICS_CHESSNET) {
2950 snprintf(str, MSG_SIZ, "/style 12\n");
2952 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2953 strcat(str, programVersion);
2954 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2955 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2956 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2958 strcat(str, "$iset nohighlight 1\n");
2960 strcat(str, "$iset lock 1\n$style 12\n");
2963 NotifyFrontendLogin();
2967 if (started == STARTED_COMMENT) {
2968 /* Accumulate characters in comment */
2969 parse[parse_pos++] = buf[i];
2970 if (buf[i] == '\n') {
2971 parse[parse_pos] = NULLCHAR;
2972 if(chattingPartner>=0) {
2974 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2975 OutputChatMessage(chattingPartner, mess);
2976 chattingPartner = -1;
2977 next_out = i+1; // [HGM] suppress printing in ICS window
2979 if(!suppressKibitz) // [HGM] kibitz
2980 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2981 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2982 int nrDigit = 0, nrAlph = 0, j;
2983 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2984 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2985 parse[parse_pos] = NULLCHAR;
2986 // try to be smart: if it does not look like search info, it should go to
2987 // ICS interaction window after all, not to engine-output window.
2988 for(j=0; j<parse_pos; j++) { // count letters and digits
2989 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2990 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2991 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2993 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2994 int depth=0; float score;
2995 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2996 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2997 pvInfoList[forwardMostMove-1].depth = depth;
2998 pvInfoList[forwardMostMove-1].score = 100*score;
3000 OutputKibitz(suppressKibitz, parse);
3003 if(gameMode == IcsObserving) // restore original ICS messages
3004 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3006 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3007 SendToPlayer(tmp, strlen(tmp));
3009 next_out = i+1; // [HGM] suppress printing in ICS window
3011 started = STARTED_NONE;
3013 /* Don't match patterns against characters in comment */
3018 if (started == STARTED_CHATTER) {
3019 if (buf[i] != '\n') {
3020 /* Don't match patterns against characters in chatter */
3024 started = STARTED_NONE;
3025 if(suppressKibitz) next_out = i+1;
3028 /* Kludge to deal with rcmd protocol */
3029 if (firstTime && looking_at(buf, &i, "\001*")) {
3030 DisplayFatalError(&buf[1], 0, 1);
3036 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3039 if (appData.debugMode)
3040 fprintf(debugFP, "ics_type %d\n", ics_type);
3043 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3044 ics_type = ICS_FICS;
3046 if (appData.debugMode)
3047 fprintf(debugFP, "ics_type %d\n", ics_type);
3050 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3051 ics_type = ICS_CHESSNET;
3053 if (appData.debugMode)
3054 fprintf(debugFP, "ics_type %d\n", ics_type);
3059 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3060 looking_at(buf, &i, "Logging you in as \"*\"") ||
3061 looking_at(buf, &i, "will be \"*\""))) {
3062 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3066 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3068 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3069 DisplayIcsInteractionTitle(buf);
3070 have_set_title = TRUE;
3073 /* skip finger notes */
3074 if (started == STARTED_NONE &&
3075 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3076 (buf[i] == '1' && buf[i+1] == '0')) &&
3077 buf[i+2] == ':' && buf[i+3] == ' ') {
3078 started = STARTED_CHATTER;
3084 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3085 if(appData.seekGraph) {
3086 if(soughtPending && MatchSoughtLine(buf+i)) {
3087 i = strstr(buf+i, "rated") - buf;
3088 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 next_out = leftover_start = i;
3090 started = STARTED_CHATTER;
3091 suppressKibitz = TRUE;
3094 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3095 && looking_at(buf, &i, "* ads displayed")) {
3096 soughtPending = FALSE;
3101 if(appData.autoRefresh) {
3102 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3103 int s = (ics_type == ICS_ICC); // ICC format differs
3105 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3106 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3107 looking_at(buf, &i, "*% "); // eat prompt
3108 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3109 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3110 next_out = i; // suppress
3113 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3114 char *p = star_match[0];
3116 if(seekGraphUp) RemoveSeekAd(atoi(p));
3117 while(*p && *p++ != ' '); // next
3119 looking_at(buf, &i, "*% "); // eat prompt
3120 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3127 /* skip formula vars */
3128 if (started == STARTED_NONE &&
3129 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3130 started = STARTED_CHATTER;
3135 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3136 if (appData.autoKibitz && started == STARTED_NONE &&
3137 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3138 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3139 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3140 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3141 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3142 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3143 suppressKibitz = TRUE;
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3146 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3147 && (gameMode == IcsPlayingWhite)) ||
3148 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3149 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3150 started = STARTED_CHATTER; // own kibitz we simply discard
3152 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3153 parse_pos = 0; parse[0] = NULLCHAR;
3154 savingComment = TRUE;
3155 suppressKibitz = gameMode != IcsObserving ? 2 :
3156 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3160 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3161 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3162 && atoi(star_match[0])) {
3163 // suppress the acknowledgements of our own autoKibitz
3165 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3166 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3167 SendToPlayer(star_match[0], strlen(star_match[0]));
3168 if(looking_at(buf, &i, "*% ")) // eat prompt
3169 suppressKibitz = FALSE;
3173 } // [HGM] kibitz: end of patch
3175 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3177 // [HGM] chat: intercept tells by users for which we have an open chat window
3179 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3180 looking_at(buf, &i, "* whispers:") ||
3181 looking_at(buf, &i, "* kibitzes:") ||
3182 looking_at(buf, &i, "* shouts:") ||
3183 looking_at(buf, &i, "* c-shouts:") ||
3184 looking_at(buf, &i, "--> * ") ||
3185 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3186 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3187 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3188 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3190 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3191 chattingPartner = -1;
3193 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3194 for(p=0; p<MAX_CHAT; p++) {
3195 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3196 talker[0] = '['; strcat(talker, "] ");
3197 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3198 chattingPartner = p; break;
3201 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("kibitzes", chatPartner[p])) {
3204 talker[0] = '['; strcat(talker, "] ");
3205 chattingPartner = p; break;
3208 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3209 for(p=0; p<MAX_CHAT; p++) {
3210 if(!strcmp("whispers", chatPartner[p])) {
3211 talker[0] = '['; strcat(talker, "] ");
3212 chattingPartner = p; break;
3215 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3216 if(buf[i-8] == '-' && buf[i-3] == 't')
3217 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3218 if(!strcmp("c-shouts", chatPartner[p])) {
3219 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3220 chattingPartner = p; break;
3223 if(chattingPartner < 0)
3224 for(p=0; p<MAX_CHAT; p++) {
3225 if(!strcmp("shouts", chatPartner[p])) {
3226 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3227 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3228 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3229 chattingPartner = p; break;
3233 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3234 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3235 talker[0] = 0; Colorize(ColorTell, FALSE);
3236 chattingPartner = p; break;
3238 if(chattingPartner<0) i = oldi; else {
3239 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3240 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3241 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3242 started = STARTED_COMMENT;
3243 parse_pos = 0; parse[0] = NULLCHAR;
3244 savingComment = 3 + chattingPartner; // counts as TRUE
3245 suppressKibitz = TRUE;
3248 } // [HGM] chat: end of patch
3251 if (appData.zippyTalk || appData.zippyPlay) {
3252 /* [DM] Backup address for color zippy lines */
3254 if (loggedOn == TRUE)
3255 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3256 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3258 } // [DM] 'else { ' deleted
3260 /* Regular tells and says */
3261 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3262 looking_at(buf, &i, "* (your partner) tells you: ") ||
3263 looking_at(buf, &i, "* says: ") ||
3264 /* Don't color "message" or "messages" output */
3265 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3266 looking_at(buf, &i, "*. * at *:*: ") ||
3267 looking_at(buf, &i, "--* (*:*): ") ||
3268 /* Message notifications (same color as tells) */
3269 looking_at(buf, &i, "* has left a message ") ||
3270 looking_at(buf, &i, "* just sent you a message:\n") ||
3271 /* Whispers and kibitzes */
3272 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3273 looking_at(buf, &i, "* kibitzes: ") ||
3275 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3277 if (tkind == 1 && strchr(star_match[0], ':')) {
3278 /* Avoid "tells you:" spoofs in channels */
3281 if (star_match[0][0] == NULLCHAR ||
3282 strchr(star_match[0], ' ') ||
3283 (tkind == 3 && strchr(star_match[1], ' '))) {
3284 /* Reject bogus matches */
3287 if (appData.colorize) {
3288 if (oldi > next_out) {
3289 SendToPlayer(&buf[next_out], oldi - next_out);
3294 Colorize(ColorTell, FALSE);
3295 curColor = ColorTell;
3298 Colorize(ColorKibitz, FALSE);
3299 curColor = ColorKibitz;
3302 p = strrchr(star_match[1], '(');
3309 Colorize(ColorChannel1, FALSE);
3310 curColor = ColorChannel1;
3312 Colorize(ColorChannel, FALSE);
3313 curColor = ColorChannel;
3317 curColor = ColorNormal;
3321 if (started == STARTED_NONE && appData.autoComment &&
3322 (gameMode == IcsObserving ||
3323 gameMode == IcsPlayingWhite ||
3324 gameMode == IcsPlayingBlack)) {
3325 parse_pos = i - oldi;
3326 memcpy(parse, &buf[oldi], parse_pos);
3327 parse[parse_pos] = NULLCHAR;
3328 started = STARTED_COMMENT;
3329 savingComment = TRUE;
3331 started = STARTED_CHATTER;
3332 savingComment = FALSE;
3339 if (looking_at(buf, &i, "* s-shouts: ") ||
3340 looking_at(buf, &i, "* c-shouts: ")) {
3341 if (appData.colorize) {
3342 if (oldi > next_out) {
3343 SendToPlayer(&buf[next_out], oldi - next_out);
3346 Colorize(ColorSShout, FALSE);
3347 curColor = ColorSShout;
3350 started = STARTED_CHATTER;
3354 if (looking_at(buf, &i, "--->")) {
3359 if (looking_at(buf, &i, "* shouts: ") ||
3360 looking_at(buf, &i, "--> ")) {
3361 if (appData.colorize) {
3362 if (oldi > next_out) {
3363 SendToPlayer(&buf[next_out], oldi - next_out);
3366 Colorize(ColorShout, FALSE);
3367 curColor = ColorShout;
3370 started = STARTED_CHATTER;
3374 if (looking_at( buf, &i, "Challenge:")) {
3375 if (appData.colorize) {
3376 if (oldi > next_out) {
3377 SendToPlayer(&buf[next_out], oldi - next_out);
3380 Colorize(ColorChallenge, FALSE);
3381 curColor = ColorChallenge;
3387 if (looking_at(buf, &i, "* offers you") ||
3388 looking_at(buf, &i, "* offers to be") ||
3389 looking_at(buf, &i, "* would like to") ||
3390 looking_at(buf, &i, "* requests to") ||
3391 looking_at(buf, &i, "Your opponent offers") ||
3392 looking_at(buf, &i, "Your opponent requests")) {
3394 if (appData.colorize) {
3395 if (oldi > next_out) {
3396 SendToPlayer(&buf[next_out], oldi - next_out);
3399 Colorize(ColorRequest, FALSE);
3400 curColor = ColorRequest;
3405 if (looking_at(buf, &i, "* (*) seeking")) {
3406 if (appData.colorize) {
3407 if (oldi > next_out) {
3408 SendToPlayer(&buf[next_out], oldi - next_out);
3411 Colorize(ColorSeek, FALSE);
3412 curColor = ColorSeek;
3417 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3419 if (looking_at(buf, &i, "\\ ")) {
3420 if (prevColor != ColorNormal) {
3421 if (oldi > next_out) {
3422 SendToPlayer(&buf[next_out], oldi - next_out);
3425 Colorize(prevColor, TRUE);
3426 curColor = prevColor;
3428 if (savingComment) {
3429 parse_pos = i - oldi;
3430 memcpy(parse, &buf[oldi], parse_pos);
3431 parse[parse_pos] = NULLCHAR;
3432 started = STARTED_COMMENT;
3433 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3434 chattingPartner = savingComment - 3; // kludge to remember the box
3436 started = STARTED_CHATTER;
3441 if (looking_at(buf, &i, "Black Strength :") ||
3442 looking_at(buf, &i, "<<< style 10 board >>>") ||
3443 looking_at(buf, &i, "<10>") ||
3444 looking_at(buf, &i, "#@#")) {
3445 /* Wrong board style */
3447 SendToICS(ics_prefix);
3448 SendToICS("set style 12\n");
3449 SendToICS(ics_prefix);
3450 SendToICS("refresh\n");
3454 if (looking_at(buf, &i, "login:")) {
3455 if (!have_sent_ICS_logon) {
3457 have_sent_ICS_logon = 1;
3458 else // no init script was found
3459 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3460 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3461 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3466 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3467 (looking_at(buf, &i, "\n<12> ") ||
3468 looking_at(buf, &i, "<12> "))) {
3470 if (oldi > next_out) {
3471 SendToPlayer(&buf[next_out], oldi - next_out);
3474 started = STARTED_BOARD;
3479 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3480 looking_at(buf, &i, "<b1> ")) {
3481 if (oldi > next_out) {
3482 SendToPlayer(&buf[next_out], oldi - next_out);
3485 started = STARTED_HOLDINGS;
3490 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3492 /* Header for a move list -- first line */
3494 switch (ics_getting_history) {
3498 case BeginningOfGame:
3499 /* User typed "moves" or "oldmoves" while we
3500 were idle. Pretend we asked for these
3501 moves and soak them up so user can step
3502 through them and/or save them.
3505 gameMode = IcsObserving;
3508 ics_getting_history = H_GOT_UNREQ_HEADER;
3510 case EditGame: /*?*/
3511 case EditPosition: /*?*/
3512 /* Should above feature work in these modes too? */
3513 /* For now it doesn't */
3514 ics_getting_history = H_GOT_UNWANTED_HEADER;
3517 ics_getting_history = H_GOT_UNWANTED_HEADER;
3522 /* Is this the right one? */
3523 if (gameInfo.white && gameInfo.black &&
3524 strcmp(gameInfo.white, star_match[0]) == 0 &&
3525 strcmp(gameInfo.black, star_match[2]) == 0) {
3527 ics_getting_history = H_GOT_REQ_HEADER;
3530 case H_GOT_REQ_HEADER:
3531 case H_GOT_UNREQ_HEADER:
3532 case H_GOT_UNWANTED_HEADER:
3533 case H_GETTING_MOVES:
3534 /* Should not happen */
3535 DisplayError(_("Error gathering move list: two headers"), 0);
3536 ics_getting_history = H_FALSE;
3540 /* Save player ratings into gameInfo if needed */
3541 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3542 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3543 (gameInfo.whiteRating == -1 ||
3544 gameInfo.blackRating == -1)) {
3546 gameInfo.whiteRating = string_to_rating(star_match[1]);
3547 gameInfo.blackRating = string_to_rating(star_match[3]);
3548 if (appData.debugMode)
3549 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3550 gameInfo.whiteRating, gameInfo.blackRating);
3555 if (looking_at(buf, &i,
3556 "* * match, initial time: * minute*, increment: * second")) {
3557 /* Header for a move list -- second line */
3558 /* Initial board will follow if this is a wild game */
3559 if (gameInfo.event != NULL) free(gameInfo.event);
3560 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3561 gameInfo.event = StrSave(str);
3562 /* [HGM] we switched variant. Translate boards if needed. */
3563 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3567 if (looking_at(buf, &i, "Move ")) {
3568 /* Beginning of a move list */
3569 switch (ics_getting_history) {
3571 /* Normally should not happen */
3572 /* Maybe user hit reset while we were parsing */
3575 /* Happens if we are ignoring a move list that is not
3576 * the one we just requested. Common if the user
3577 * tries to observe two games without turning off
3580 case H_GETTING_MOVES:
3581 /* Should not happen */
3582 DisplayError(_("Error gathering move list: nested"), 0);
3583 ics_getting_history = H_FALSE;
3585 case H_GOT_REQ_HEADER:
3586 ics_getting_history = H_GETTING_MOVES;
3587 started = STARTED_MOVES;
3589 if (oldi > next_out) {
3590 SendToPlayer(&buf[next_out], oldi - next_out);
3593 case H_GOT_UNREQ_HEADER:
3594 ics_getting_history = H_GETTING_MOVES;
3595 started = STARTED_MOVES_NOHIDE;
3598 case H_GOT_UNWANTED_HEADER:
3599 ics_getting_history = H_FALSE;
3605 if (looking_at(buf, &i, "% ") ||
3606 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3607 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3608 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3609 soughtPending = FALSE;
3613 if(suppressKibitz) next_out = i;
3614 savingComment = FALSE;
3618 case STARTED_MOVES_NOHIDE:
3619 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3620 parse[parse_pos + i - oldi] = NULLCHAR;
3621 ParseGameHistory(parse);
3623 if (appData.zippyPlay && first.initDone) {
3624 FeedMovesToProgram(&first, forwardMostMove);
3625 if (gameMode == IcsPlayingWhite) {
3626 if (WhiteOnMove(forwardMostMove)) {
3627 if (first.sendTime) {
3628 if (first.useColors) {
3629 SendToProgram("black\n", &first);
3631 SendTimeRemaining(&first, TRUE);
3633 if (first.useColors) {
3634 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3636 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3637 first.maybeThinking = TRUE;
3639 if (first.usePlayother) {
3640 if (first.sendTime) {
3641 SendTimeRemaining(&first, TRUE);
3643 SendToProgram("playother\n", &first);
3649 } else if (gameMode == IcsPlayingBlack) {
3650 if (!WhiteOnMove(forwardMostMove)) {
3651 if (first.sendTime) {
3652 if (first.useColors) {
3653 SendToProgram("white\n", &first);
3655 SendTimeRemaining(&first, FALSE);
3657 if (first.useColors) {
3658 SendToProgram("black\n", &first);
3660 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3661 first.maybeThinking = TRUE;
3663 if (first.usePlayother) {
3664 if (first.sendTime) {
3665 SendTimeRemaining(&first, FALSE);
3667 SendToProgram("playother\n", &first);
3676 if (gameMode == IcsObserving && ics_gamenum == -1) {
3677 /* Moves came from oldmoves or moves command
3678 while we weren't doing anything else.
3680 currentMove = forwardMostMove;
3681 ClearHighlights();/*!!could figure this out*/
3682 flipView = appData.flipView;
3683 DrawPosition(TRUE, boards[currentMove]);
3684 DisplayBothClocks();
3685 snprintf(str, MSG_SIZ, "%s %s %s",
3686 gameInfo.white, _("vs."), gameInfo.black);
3690 /* Moves were history of an active game */
3691 if (gameInfo.resultDetails != NULL) {
3692 free(gameInfo.resultDetails);
3693 gameInfo.resultDetails = NULL;
3696 HistorySet(parseList, backwardMostMove,
3697 forwardMostMove, currentMove-1);
3698 DisplayMove(currentMove - 1);
3699 if (started == STARTED_MOVES) next_out = i;
3700 started = STARTED_NONE;
3701 ics_getting_history = H_FALSE;
3704 case STARTED_OBSERVE:
3705 started = STARTED_NONE;
3706 SendToICS(ics_prefix);
3707 SendToICS("refresh\n");
3713 if(bookHit) { // [HGM] book: simulate book reply
3714 static char bookMove[MSG_SIZ]; // a bit generous?
3716 programStats.nodes = programStats.depth = programStats.time =
3717 programStats.score = programStats.got_only_move = 0;
3718 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3720 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3721 strcat(bookMove, bookHit);
3722 HandleMachineMove(bookMove, &first);
3727 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3728 started == STARTED_HOLDINGS ||
3729 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3730 /* Accumulate characters in move list or board */
3731 parse[parse_pos++] = buf[i];
3734 /* Start of game messages. Mostly we detect start of game
3735 when the first board image arrives. On some versions
3736 of the ICS, though, we need to do a "refresh" after starting
3737 to observe in order to get the current board right away. */
3738 if (looking_at(buf, &i, "Adding game * to observation list")) {
3739 started = STARTED_OBSERVE;
3743 /* Handle auto-observe */
3744 if (appData.autoObserve &&
3745 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3746 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3748 /* Choose the player that was highlighted, if any. */
3749 if (star_match[0][0] == '\033' ||
3750 star_match[1][0] != '\033') {
3751 player = star_match[0];
3753 player = star_match[2];
3755 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3756 ics_prefix, StripHighlightAndTitle(player));
3759 /* Save ratings from notify string */
3760 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3761 player1Rating = string_to_rating(star_match[1]);
3762 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3763 player2Rating = string_to_rating(star_match[3]);
3765 if (appData.debugMode)
3767 "Ratings from 'Game notification:' %s %d, %s %d\n",
3768 player1Name, player1Rating,
3769 player2Name, player2Rating);
3774 /* Deal with automatic examine mode after a game,
3775 and with IcsObserving -> IcsExamining transition */
3776 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3777 looking_at(buf, &i, "has made you an examiner of game *")) {
3779 int gamenum = atoi(star_match[0]);
3780 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3781 gamenum == ics_gamenum) {
3782 /* We were already playing or observing this game;
3783 no need to refetch history */
3784 gameMode = IcsExamining;
3786 pauseExamForwardMostMove = forwardMostMove;
3787 } else if (currentMove < forwardMostMove) {
3788 ForwardInner(forwardMostMove);
3791 /* I don't think this case really can happen */
3792 SendToICS(ics_prefix);
3793 SendToICS("refresh\n");
3798 /* Error messages */
3799 // if (ics_user_moved) {
3800 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3801 if (looking_at(buf, &i, "Illegal move") ||
3802 looking_at(buf, &i, "Not a legal move") ||
3803 looking_at(buf, &i, "Your king is in check") ||
3804 looking_at(buf, &i, "It isn't your turn") ||
3805 looking_at(buf, &i, "It is not your move")) {
3807 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3808 currentMove = forwardMostMove-1;
3809 DisplayMove(currentMove - 1); /* before DMError */
3810 DrawPosition(FALSE, boards[currentMove]);
3811 SwitchClocks(forwardMostMove-1); // [HGM] race
3812 DisplayBothClocks();
3814 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3820 if (looking_at(buf, &i, "still have time") ||
3821 looking_at(buf, &i, "not out of time") ||
3822 looking_at(buf, &i, "either player is out of time") ||
3823 looking_at(buf, &i, "has timeseal; checking")) {
3824 /* We must have called his flag a little too soon */
3825 whiteFlag = blackFlag = FALSE;
3829 if (looking_at(buf, &i, "added * seconds to") ||
3830 looking_at(buf, &i, "seconds were added to")) {
3831 /* Update the clocks */
3832 SendToICS(ics_prefix);
3833 SendToICS("refresh\n");
3837 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3838 ics_clock_paused = TRUE;
3843 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3844 ics_clock_paused = FALSE;
3849 /* Grab player ratings from the Creating: message.
3850 Note we have to check for the special case when
3851 the ICS inserts things like [white] or [black]. */
3852 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3853 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3855 0 player 1 name (not necessarily white)
3857 2 empty, white, or black (IGNORED)
3858 3 player 2 name (not necessarily black)
3861 The names/ratings are sorted out when the game
3862 actually starts (below).
3864 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3865 player1Rating = string_to_rating(star_match[1]);
3866 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3867 player2Rating = string_to_rating(star_match[4]);
3869 if (appData.debugMode)
3871 "Ratings from 'Creating:' %s %d, %s %d\n",
3872 player1Name, player1Rating,
3873 player2Name, player2Rating);
3878 /* Improved generic start/end-of-game messages */
3879 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3880 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3881 /* If tkind == 0: */
3882 /* star_match[0] is the game number */
3883 /* [1] is the white player's name */
3884 /* [2] is the black player's name */
3885 /* For end-of-game: */
3886 /* [3] is the reason for the game end */
3887 /* [4] is a PGN end game-token, preceded by " " */
3888 /* For start-of-game: */
3889 /* [3] begins with "Creating" or "Continuing" */
3890 /* [4] is " *" or empty (don't care). */
3891 int gamenum = atoi(star_match[0]);
3892 char *whitename, *blackname, *why, *endtoken;
3893 ChessMove endtype = EndOfFile;
3896 whitename = star_match[1];
3897 blackname = star_match[2];
3898 why = star_match[3];
3899 endtoken = star_match[4];
3901 whitename = star_match[1];
3902 blackname = star_match[3];
3903 why = star_match[5];
3904 endtoken = star_match[6];
3907 /* Game start messages */
3908 if (strncmp(why, "Creating ", 9) == 0 ||
3909 strncmp(why, "Continuing ", 11) == 0) {
3910 gs_gamenum = gamenum;
3911 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3912 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3913 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3915 if (appData.zippyPlay) {
3916 ZippyGameStart(whitename, blackname);
3919 partnerBoardValid = FALSE; // [HGM] bughouse
3923 /* Game end messages */
3924 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3925 ics_gamenum != gamenum) {
3928 while (endtoken[0] == ' ') endtoken++;
3929 switch (endtoken[0]) {
3932 endtype = GameUnfinished;
3935 endtype = BlackWins;
3938 if (endtoken[1] == '/')
3939 endtype = GameIsDrawn;
3941 endtype = WhiteWins;
3944 GameEnds(endtype, why, GE_ICS);
3946 if (appData.zippyPlay && first.initDone) {
3947 ZippyGameEnd(endtype, why);
3948 if (first.pr == NoProc) {
3949 /* Start the next process early so that we'll
3950 be ready for the next challenge */
3951 StartChessProgram(&first);
3953 /* Send "new" early, in case this command takes
3954 a long time to finish, so that we'll be ready
3955 for the next challenge. */
3956 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3960 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3964 if (looking_at(buf, &i, "Removing game * from observation") ||
3965 looking_at(buf, &i, "no longer observing game *") ||
3966 looking_at(buf, &i, "Game * (*) has no examiners")) {
3967 if (gameMode == IcsObserving &&
3968 atoi(star_match[0]) == ics_gamenum)
3970 /* icsEngineAnalyze */
3971 if (appData.icsEngineAnalyze) {
3978 ics_user_moved = FALSE;
3983 if (looking_at(buf, &i, "no longer examining game *")) {
3984 if (gameMode == IcsExamining &&
3985 atoi(star_match[0]) == ics_gamenum)
3989 ics_user_moved = FALSE;
3994 /* Advance leftover_start past any newlines we find,
3995 so only partial lines can get reparsed */
3996 if (looking_at(buf, &i, "\n")) {
3997 prevColor = curColor;
3998 if (curColor != ColorNormal) {
3999 if (oldi > next_out) {
4000 SendToPlayer(&buf[next_out], oldi - next_out);
4003 Colorize(ColorNormal, FALSE);
4004 curColor = ColorNormal;
4006 if (started == STARTED_BOARD) {
4007 started = STARTED_NONE;
4008 parse[parse_pos] = NULLCHAR;
4009 ParseBoard12(parse);
4012 /* Send premove here */
4013 if (appData.premove) {
4015 if (currentMove == 0 &&
4016 gameMode == IcsPlayingWhite &&
4017 appData.premoveWhite) {
4018 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4019 if (appData.debugMode)
4020 fprintf(debugFP, "Sending premove:\n");
4022 } else if (currentMove == 1 &&
4023 gameMode == IcsPlayingBlack &&
4024 appData.premoveBlack) {
4025 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Sending premove:\n");
4029 } else if (gotPremove) {
4031 ClearPremoveHighlights();
4032 if (appData.debugMode)
4033 fprintf(debugFP, "Sending premove:\n");
4034 UserMoveEvent(premoveFromX, premoveFromY,
4035 premoveToX, premoveToY,
4040 /* Usually suppress following prompt */
4041 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4042 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4043 if (looking_at(buf, &i, "*% ")) {
4044 savingComment = FALSE;
4049 } else if (started == STARTED_HOLDINGS) {
4051 char new_piece[MSG_SIZ];
4052 started = STARTED_NONE;
4053 parse[parse_pos] = NULLCHAR;
4054 if (appData.debugMode)
4055 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4056 parse, currentMove);
4057 if (sscanf(parse, " game %d", &gamenum) == 1) {
4058 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4059 if (gameInfo.variant == VariantNormal) {
4060 /* [HGM] We seem to switch variant during a game!
4061 * Presumably no holdings were displayed, so we have
4062 * to move the position two files to the right to
4063 * create room for them!
4065 VariantClass newVariant;
4066 switch(gameInfo.boardWidth) { // base guess on board width
4067 case 9: newVariant = VariantShogi; break;
4068 case 10: newVariant = VariantGreat; break;
4069 default: newVariant = VariantCrazyhouse; break;
4071 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4072 /* Get a move list just to see the header, which
4073 will tell us whether this is really bug or zh */
4074 if (ics_getting_history == H_FALSE) {
4075 ics_getting_history = H_REQUESTED;
4076 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4080 new_piece[0] = NULLCHAR;
4081 sscanf(parse, "game %d white [%s black [%s <- %s",
4082 &gamenum, white_holding, black_holding,
4084 white_holding[strlen(white_holding)-1] = NULLCHAR;
4085 black_holding[strlen(black_holding)-1] = NULLCHAR;
4086 /* [HGM] copy holdings to board holdings area */
4087 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4088 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4089 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyHoldings(white_holding, black_holding,
4096 if (tinyLayout || smallLayout) {
4097 char wh[16], bh[16];
4098 PackHolding(wh, white_holding);
4099 PackHolding(bh, black_holding);
4100 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4101 gameInfo.white, gameInfo.black);
4103 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4104 gameInfo.white, white_holding, _("vs."),
4105 gameInfo.black, black_holding);
4107 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4108 DrawPosition(FALSE, boards[currentMove]);
4110 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4111 sscanf(parse, "game %d white [%s black [%s <- %s",
4112 &gamenum, white_holding, black_holding,
4114 white_holding[strlen(white_holding)-1] = NULLCHAR;
4115 black_holding[strlen(black_holding)-1] = NULLCHAR;
4116 /* [HGM] copy holdings to partner-board holdings area */
4117 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4118 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4119 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4120 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4121 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4124 /* Suppress following prompt */
4125 if (looking_at(buf, &i, "*% ")) {
4126 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4127 savingComment = FALSE;
4135 i++; /* skip unparsed character and loop back */
4138 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4139 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4140 // SendToPlayer(&buf[next_out], i - next_out);
4141 started != STARTED_HOLDINGS && leftover_start > next_out) {
4142 SendToPlayer(&buf[next_out], leftover_start - next_out);
4146 leftover_len = buf_len - leftover_start;
4147 /* if buffer ends with something we couldn't parse,
4148 reparse it after appending the next read */
4150 } else if (count == 0) {
4151 RemoveInputSource(isr);
4152 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4154 DisplayFatalError(_("Error reading from ICS"), error, 1);
4159 /* Board style 12 looks like this:
4161 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4163 * The "<12> " is stripped before it gets to this routine. The two
4164 * trailing 0's (flip state and clock ticking) are later addition, and
4165 * some chess servers may not have them, or may have only the first.
4166 * Additional trailing fields may be added in the future.
4169 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4171 #define RELATION_OBSERVING_PLAYED 0
4172 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4173 #define RELATION_PLAYING_MYMOVE 1
4174 #define RELATION_PLAYING_NOTMYMOVE -1
4175 #define RELATION_EXAMINING 2
4176 #define RELATION_ISOLATED_BOARD -3
4177 #define RELATION_STARTING_POSITION -4 /* FICS only */
4180 ParseBoard12 (char *string)
4182 GameMode newGameMode;
4183 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4184 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4185 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4186 char to_play, board_chars[200];
4187 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4188 char black[32], white[32];
4190 int prevMove = currentMove;
4193 int fromX, fromY, toX, toY;
4195 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4196 char *bookHit = NULL; // [HGM] book
4197 Boolean weird = FALSE, reqFlag = FALSE;
4199 fromX = fromY = toX = toY = -1;
4203 if (appData.debugMode)
4204 fprintf(debugFP, _("Parsing board: %s\n"), string);
4206 move_str[0] = NULLCHAR;
4207 elapsed_time[0] = NULLCHAR;
4208 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4210 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4211 if(string[i] == ' ') { ranks++; files = 0; }
4213 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4216 for(j = 0; j <i; j++) board_chars[j] = string[j];
4217 board_chars[i] = '\0';
4220 n = sscanf(string, PATTERN, &to_play, &double_push,
4221 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4222 &gamenum, white, black, &relation, &basetime, &increment,
4223 &white_stren, &black_stren, &white_time, &black_time,
4224 &moveNum, str, elapsed_time, move_str, &ics_flip,
4228 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4229 DisplayError(str, 0);
4233 /* Convert the move number to internal form */
4234 moveNum = (moveNum - 1) * 2;
4235 if (to_play == 'B') moveNum++;
4236 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4237 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4243 case RELATION_OBSERVING_PLAYED:
4244 case RELATION_OBSERVING_STATIC:
4245 if (gamenum == -1) {
4246 /* Old ICC buglet */
4247 relation = RELATION_OBSERVING_STATIC;
4249 newGameMode = IcsObserving;
4251 case RELATION_PLAYING_MYMOVE:
4252 case RELATION_PLAYING_NOTMYMOVE:
4254 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4255 IcsPlayingWhite : IcsPlayingBlack;
4256 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4258 case RELATION_EXAMINING:
4259 newGameMode = IcsExamining;
4261 case RELATION_ISOLATED_BOARD:
4263 /* Just display this board. If user was doing something else,
4264 we will forget about it until the next board comes. */
4265 newGameMode = IcsIdle;
4267 case RELATION_STARTING_POSITION:
4268 newGameMode = gameMode;
4272 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4273 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4274 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4275 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4276 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4277 static int lastBgGame = -1;
4279 for (k = 0; k < ranks; k++) {
4280 for (j = 0; j < files; j++)
4281 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4282 if(gameInfo.holdingsWidth > 1) {
4283 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4284 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4287 CopyBoard(partnerBoard, board);
4288 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4289 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4290 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4291 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4292 if(toSqr = strchr(str, '-')) {
4293 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4294 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4295 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4296 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4297 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4298 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4300 DisplayWhiteClock(white_time*fac, to_play == 'W');
4301 DisplayBlackClock(black_time*fac, to_play != 'W');
4302 activePartner = to_play;
4303 if(gamenum != lastBgGame) {
4305 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4308 lastBgGame = gamenum;
4309 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4310 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4311 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4312 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4313 DisplayMessage(partnerStatus, "");
4314 partnerBoardValid = TRUE;
4318 if(appData.dualBoard && appData.bgObserve) {
4319 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4320 SendToICS(ics_prefix), SendToICS("pobserve\n");
4321 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4323 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4328 /* Modify behavior for initial board display on move listing
4331 switch (ics_getting_history) {
4335 case H_GOT_REQ_HEADER:
4336 case H_GOT_UNREQ_HEADER:
4337 /* This is the initial position of the current game */
4338 gamenum = ics_gamenum;
4339 moveNum = 0; /* old ICS bug workaround */
4340 if (to_play == 'B') {
4341 startedFromSetupPosition = TRUE;
4342 blackPlaysFirst = TRUE;
4344 if (forwardMostMove == 0) forwardMostMove = 1;
4345 if (backwardMostMove == 0) backwardMostMove = 1;
4346 if (currentMove == 0) currentMove = 1;
4348 newGameMode = gameMode;
4349 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4351 case H_GOT_UNWANTED_HEADER:
4352 /* This is an initial board that we don't want */
4354 case H_GETTING_MOVES:
4355 /* Should not happen */
4356 DisplayError(_("Error gathering move list: extra board"), 0);
4357 ics_getting_history = H_FALSE;
4361 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4362 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4363 weird && (int)gameInfo.variant < (int)VariantShogi) {
4364 /* [HGM] We seem to have switched variant unexpectedly
4365 * Try to guess new variant from board size
4367 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4368 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4369 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4370 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4371 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4372 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4373 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4374 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4375 /* Get a move list just to see the header, which
4376 will tell us whether this is really bug or zh */
4377 if (ics_getting_history == H_FALSE) {
4378 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4379 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4384 /* Take action if this is the first board of a new game, or of a
4385 different game than is currently being displayed. */
4386 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4387 relation == RELATION_ISOLATED_BOARD) {
4389 /* Forget the old game and get the history (if any) of the new one */
4390 if (gameMode != BeginningOfGame) {
4394 if (appData.autoRaiseBoard) BoardToTop();
4396 if (gamenum == -1) {
4397 newGameMode = IcsIdle;
4398 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4399 appData.getMoveList && !reqFlag) {
4400 /* Need to get game history */
4401 ics_getting_history = H_REQUESTED;
4402 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4406 /* Initially flip the board to have black on the bottom if playing
4407 black or if the ICS flip flag is set, but let the user change
4408 it with the Flip View button. */
4409 flipView = appData.autoFlipView ?
4410 (newGameMode == IcsPlayingBlack) || ics_flip :
4413 /* Done with values from previous mode; copy in new ones */
4414 gameMode = newGameMode;
4416 ics_gamenum = gamenum;
4417 if (gamenum == gs_gamenum) {
4418 int klen = strlen(gs_kind);
4419 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4420 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4421 gameInfo.event = StrSave(str);
4423 gameInfo.event = StrSave("ICS game");
4425 gameInfo.site = StrSave(appData.icsHost);
4426 gameInfo.date = PGNDate();
4427 gameInfo.round = StrSave("-");
4428 gameInfo.white = StrSave(white);
4429 gameInfo.black = StrSave(black);
4430 timeControl = basetime * 60 * 1000;
4432 timeIncrement = increment * 1000;
4433 movesPerSession = 0;
4434 gameInfo.timeControl = TimeControlTagValue();
4435 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4436 if (appData.debugMode) {
4437 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4438 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4439 setbuf(debugFP, NULL);
4442 gameInfo.outOfBook = NULL;
4444 /* Do we have the ratings? */
4445 if (strcmp(player1Name, white) == 0 &&
4446 strcmp(player2Name, black) == 0) {
4447 if (appData.debugMode)
4448 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4449 player1Rating, player2Rating);
4450 gameInfo.whiteRating = player1Rating;
4451 gameInfo.blackRating = player2Rating;
4452 } else if (strcmp(player2Name, white) == 0 &&
4453 strcmp(player1Name, black) == 0) {
4454 if (appData.debugMode)
4455 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4456 player2Rating, player1Rating);
4457 gameInfo.whiteRating = player2Rating;
4458 gameInfo.blackRating = player1Rating;
4460 player1Name[0] = player2Name[0] = NULLCHAR;
4462 /* Silence shouts if requested */
4463 if (appData.quietPlay &&
4464 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4465 SendToICS(ics_prefix);
4466 SendToICS("set shout 0\n");
4470 /* Deal with midgame name changes */
4472 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4473 if (gameInfo.white) free(gameInfo.white);
4474 gameInfo.white = StrSave(white);
4476 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4477 if (gameInfo.black) free(gameInfo.black);
4478 gameInfo.black = StrSave(black);
4482 /* Throw away game result if anything actually changes in examine mode */
4483 if (gameMode == IcsExamining && !newGame) {
4484 gameInfo.result = GameUnfinished;
4485 if (gameInfo.resultDetails != NULL) {
4486 free(gameInfo.resultDetails);
4487 gameInfo.resultDetails = NULL;
4491 /* In pausing && IcsExamining mode, we ignore boards coming
4492 in if they are in a different variation than we are. */
4493 if (pauseExamInvalid) return;
4494 if (pausing && gameMode == IcsExamining) {
4495 if (moveNum <= pauseExamForwardMostMove) {
4496 pauseExamInvalid = TRUE;
4497 forwardMostMove = pauseExamForwardMostMove;
4502 if (appData.debugMode) {
4503 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4505 /* Parse the board */
4506 for (k = 0; k < ranks; k++) {
4507 for (j = 0; j < files; j++)
4508 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4509 if(gameInfo.holdingsWidth > 1) {
4510 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4511 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4514 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4515 board[5][BOARD_RGHT+1] = WhiteAngel;
4516 board[6][BOARD_RGHT+1] = WhiteMarshall;
4517 board[1][0] = BlackMarshall;
4518 board[2][0] = BlackAngel;
4519 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4521 CopyBoard(boards[moveNum], board);
4522 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4524 startedFromSetupPosition =
4525 !CompareBoards(board, initialPosition);
4526 if(startedFromSetupPosition)
4527 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4530 /* [HGM] Set castling rights. Take the outermost Rooks,
4531 to make it also work for FRC opening positions. Note that board12
4532 is really defective for later FRC positions, as it has no way to
4533 indicate which Rook can castle if they are on the same side of King.
4534 For the initial position we grant rights to the outermost Rooks,
4535 and remember thos rights, and we then copy them on positions
4536 later in an FRC game. This means WB might not recognize castlings with
4537 Rooks that have moved back to their original position as illegal,
4538 but in ICS mode that is not its job anyway.
4540 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4541 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4543 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4544 if(board[0][i] == WhiteRook) j = i;
4545 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4546 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4547 if(board[0][i] == WhiteRook) j = i;
4548 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4549 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4550 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4551 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4552 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4553 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4554 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4556 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4557 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4558 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4559 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4560 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4561 if(board[BOARD_HEIGHT-1][k] == bKing)
4562 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4563 if(gameInfo.variant == VariantTwoKings) {
4564 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4565 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4566 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4569 r = boards[moveNum][CASTLING][0] = initialRights[0];
4570 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4571 r = boards[moveNum][CASTLING][1] = initialRights[1];
4572 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4573 r = boards[moveNum][CASTLING][3] = initialRights[3];
4574 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4575 r = boards[moveNum][CASTLING][4] = initialRights[4];
4576 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4577 /* wildcastle kludge: always assume King has rights */
4578 r = boards[moveNum][CASTLING][2] = initialRights[2];
4579 r = boards[moveNum][CASTLING][5] = initialRights[5];
4581 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4582 boards[moveNum][EP_STATUS] = EP_NONE;
4583 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4584 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4585 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4588 if (ics_getting_history == H_GOT_REQ_HEADER ||
4589 ics_getting_history == H_GOT_UNREQ_HEADER) {
4590 /* This was an initial position from a move list, not
4591 the current position */
4595 /* Update currentMove and known move number limits */
4596 newMove = newGame || moveNum > forwardMostMove;
4599 forwardMostMove = backwardMostMove = currentMove = moveNum;
4600 if (gameMode == IcsExamining && moveNum == 0) {
4601 /* Workaround for ICS limitation: we are not told the wild
4602 type when starting to examine a game. But if we ask for
4603 the move list, the move list header will tell us */
4604 ics_getting_history = H_REQUESTED;
4605 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4608 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4609 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4611 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4612 /* [HGM] applied this also to an engine that is silently watching */
4613 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4614 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4615 gameInfo.variant == currentlyInitializedVariant) {
4616 takeback = forwardMostMove - moveNum;
4617 for (i = 0; i < takeback; i++) {
4618 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4619 SendToProgram("undo\n", &first);
4624 forwardMostMove = moveNum;
4625 if (!pausing || currentMove > forwardMostMove)
4626 currentMove = forwardMostMove;
4628 /* New part of history that is not contiguous with old part */
4629 if (pausing && gameMode == IcsExamining) {
4630 pauseExamInvalid = TRUE;
4631 forwardMostMove = pauseExamForwardMostMove;
4634 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4636 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4637 // [HGM] when we will receive the move list we now request, it will be
4638 // fed to the engine from the first move on. So if the engine is not
4639 // in the initial position now, bring it there.
4640 InitChessProgram(&first, 0);
4643 ics_getting_history = H_REQUESTED;
4644 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4647 forwardMostMove = backwardMostMove = currentMove = moveNum;
4650 /* Update the clocks */
4651 if (strchr(elapsed_time, '.')) {
4653 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4654 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4656 /* Time is in seconds */
4657 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4658 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4663 if (appData.zippyPlay && newGame &&
4664 gameMode != IcsObserving && gameMode != IcsIdle &&
4665 gameMode != IcsExamining)
4666 ZippyFirstBoard(moveNum, basetime, increment);
4669 /* Put the move on the move list, first converting
4670 to canonical algebraic form. */
4672 if (appData.debugMode) {
4673 if (appData.debugMode) { int f = forwardMostMove;
4674 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4675 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4676 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4678 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4679 fprintf(debugFP, "moveNum = %d\n", moveNum);
4680 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4681 setbuf(debugFP, NULL);
4683 if (moveNum <= backwardMostMove) {
4684 /* We don't know what the board looked like before
4686 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4687 strcat(parseList[moveNum - 1], " ");
4688 strcat(parseList[moveNum - 1], elapsed_time);
4689 moveList[moveNum - 1][0] = NULLCHAR;
4690 } else if (strcmp(move_str, "none") == 0) {
4691 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4692 /* Again, we don't know what the board looked like;
4693 this is really the start of the game. */
4694 parseList[moveNum - 1][0] = NULLCHAR;
4695 moveList[moveNum - 1][0] = NULLCHAR;
4696 backwardMostMove = moveNum;
4697 startedFromSetupPosition = TRUE;
4698 fromX = fromY = toX = toY = -1;
4700 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4701 // So we parse the long-algebraic move string in stead of the SAN move
4702 int valid; char buf[MSG_SIZ], *prom;
4704 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4705 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4706 // str looks something like "Q/a1-a2"; kill the slash
4708 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4709 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4710 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4711 strcat(buf, prom); // long move lacks promo specification!
4712 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4713 if(appData.debugMode)
4714 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4715 safeStrCpy(move_str, buf, MSG_SIZ);
4717 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4718 &fromX, &fromY, &toX, &toY, &promoChar)
4719 || ParseOneMove(buf, moveNum - 1, &moveType,
4720 &fromX, &fromY, &toX, &toY, &promoChar);
4721 // end of long SAN patch
4723 (void) CoordsToAlgebraic(boards[moveNum - 1],
4724 PosFlags(moveNum - 1),
4725 fromY, fromX, toY, toX, promoChar,
4726 parseList[moveNum-1]);
4727 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4733 if(gameInfo.variant != VariantShogi)
4734 strcat(parseList[moveNum - 1], "+");
4737 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4738 strcat(parseList[moveNum - 1], "#");
4741 strcat(parseList[moveNum - 1], " ");
4742 strcat(parseList[moveNum - 1], elapsed_time);
4743 /* currentMoveString is set as a side-effect of ParseOneMove */
4744 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4745 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4746 strcat(moveList[moveNum - 1], "\n");
4748 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4749 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4750 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4751 ChessSquare old, new = boards[moveNum][k][j];
4752 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4753 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4754 if(old == new) continue;
4755 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4756 else if(new == WhiteWazir || new == BlackWazir) {
4757 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4758 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4759 else boards[moveNum][k][j] = old; // preserve type of Gold
4760 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4761 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4764 /* Move from ICS was illegal!? Punt. */
4765 if (appData.debugMode) {
4766 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4767 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4769 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4770 strcat(parseList[moveNum - 1], " ");
4771 strcat(parseList[moveNum - 1], elapsed_time);
4772 moveList[moveNum - 1][0] = NULLCHAR;
4773 fromX = fromY = toX = toY = -1;
4776 if (appData.debugMode) {
4777 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4778 setbuf(debugFP, NULL);
4782 /* Send move to chess program (BEFORE animating it). */
4783 if (appData.zippyPlay && !newGame && newMove &&
4784 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4786 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4787 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4788 if (moveList[moveNum - 1][0] == NULLCHAR) {
4789 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4791 DisplayError(str, 0);
4793 if (first.sendTime) {
4794 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4796 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4797 if (firstMove && !bookHit) {
4799 if (first.useColors) {
4800 SendToProgram(gameMode == IcsPlayingWhite ?
4802 "black\ngo\n", &first);
4804 SendToProgram("go\n", &first);
4806 first.maybeThinking = TRUE;
4809 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4810 if (moveList[moveNum - 1][0] == NULLCHAR) {
4811 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4812 DisplayError(str, 0);
4814 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4815 SendMoveToProgram(moveNum - 1, &first);
4822 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4823 /* If move comes from a remote source, animate it. If it
4824 isn't remote, it will have already been animated. */
4825 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4826 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4828 if (!pausing && appData.highlightLastMove) {
4829 SetHighlights(fromX, fromY, toX, toY);
4833 /* Start the clocks */
4834 whiteFlag = blackFlag = FALSE;
4835 appData.clockMode = !(basetime == 0 && increment == 0);
4837 ics_clock_paused = TRUE;
4839 } else if (ticking == 1) {
4840 ics_clock_paused = FALSE;
4842 if (gameMode == IcsIdle ||
4843 relation == RELATION_OBSERVING_STATIC ||
4844 relation == RELATION_EXAMINING ||
4846 DisplayBothClocks();
4850 /* Display opponents and material strengths */
4851 if (gameInfo.variant != VariantBughouse &&
4852 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4853 if (tinyLayout || smallLayout) {
4854 if(gameInfo.variant == VariantNormal)
4855 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4856 gameInfo.white, white_stren, gameInfo.black, black_stren,
4857 basetime, increment);
4859 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4860 gameInfo.white, white_stren, gameInfo.black, black_stren,
4861 basetime, increment, (int) gameInfo.variant);
4863 if(gameInfo.variant == VariantNormal)
4864 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4865 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4866 basetime, increment);
4868 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4869 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4870 basetime, increment, VariantName(gameInfo.variant));
4873 if (appData.debugMode) {
4874 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4879 /* Display the board */
4880 if (!pausing && !appData.noGUI) {
4882 if (appData.premove)
4884 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4885 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4886 ClearPremoveHighlights();
4888 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4889 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4890 DrawPosition(j, boards[currentMove]);
4892 DisplayMove(moveNum - 1);
4893 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4894 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4895 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4896 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4900 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4902 if(bookHit) { // [HGM] book: simulate book reply
4903 static char bookMove[MSG_SIZ]; // a bit generous?
4905 programStats.nodes = programStats.depth = programStats.time =
4906 programStats.score = programStats.got_only_move = 0;
4907 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4909 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4910 strcat(bookMove, bookHit);
4911 HandleMachineMove(bookMove, &first);
4920 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4921 ics_getting_history = H_REQUESTED;
4922 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4928 SendToBoth (char *msg)
4929 { // to make it easy to keep two engines in step in dual analysis
4930 SendToProgram(msg, &first);
4931 if(second.analyzing) SendToProgram(msg, &second);
4935 AnalysisPeriodicEvent (int force)
4937 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4938 && !force) || !appData.periodicUpdates)
4941 /* Send . command to Crafty to collect stats */
4944 /* Don't send another until we get a response (this makes
4945 us stop sending to old Crafty's which don't understand
4946 the "." command (sending illegal cmds resets node count & time,
4947 which looks bad)) */
4948 programStats.ok_to_send = 0;
4952 ics_update_width (int new_width)
4954 ics_printf("set width %d\n", new_width);
4958 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4962 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4963 // null move in variant where engine does not understand it (for analysis purposes)
4964 SendBoard(cps, moveNum + 1); // send position after move in stead.
4967 if (cps->useUsermove) {
4968 SendToProgram("usermove ", cps);
4972 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4973 int len = space - parseList[moveNum];
4974 memcpy(buf, parseList[moveNum], len);
4976 buf[len] = NULLCHAR;
4978 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4980 SendToProgram(buf, cps);
4982 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4983 AlphaRank(moveList[moveNum], 4);
4984 SendToProgram(moveList[moveNum], cps);
4985 AlphaRank(moveList[moveNum], 4); // and back
4987 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4988 * the engine. It would be nice to have a better way to identify castle
4990 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4991 && cps->useOOCastle) {
4992 int fromX = moveList[moveNum][0] - AAA;
4993 int fromY = moveList[moveNum][1] - ONE;
4994 int toX = moveList[moveNum][2] - AAA;
4995 int toY = moveList[moveNum][3] - ONE;
4996 if((boards[moveNum][fromY][fromX] == WhiteKing
4997 && boards[moveNum][toY][toX] == WhiteRook)
4998 || (boards[moveNum][fromY][fromX] == BlackKing
4999 && boards[moveNum][toY][toX] == BlackRook)) {
5000 if(toX > fromX) SendToProgram("O-O\n", cps);
5001 else SendToProgram("O-O-O\n", cps);
5003 else SendToProgram(moveList[moveNum], cps);
5005 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5006 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5007 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5008 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5009 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5011 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5012 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5013 SendToProgram(buf, cps);
5015 else SendToProgram(moveList[moveNum], cps);
5016 /* End of additions by Tord */
5019 /* [HGM] setting up the opening has brought engine in force mode! */
5020 /* Send 'go' if we are in a mode where machine should play. */
5021 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5022 (gameMode == TwoMachinesPlay ||
5024 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5026 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5027 SendToProgram("go\n", cps);
5028 if (appData.debugMode) {
5029 fprintf(debugFP, "(extra)\n");
5032 setboardSpoiledMachineBlack = 0;
5036 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5038 char user_move[MSG_SIZ];
5041 if(gameInfo.variant == VariantSChess && promoChar) {
5042 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5043 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5044 } else suffix[0] = NULLCHAR;
5048 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5049 (int)moveType, fromX, fromY, toX, toY);
5050 DisplayError(user_move + strlen("say "), 0);
5052 case WhiteKingSideCastle:
5053 case BlackKingSideCastle:
5054 case WhiteQueenSideCastleWild:
5055 case BlackQueenSideCastleWild:
5057 case WhiteHSideCastleFR:
5058 case BlackHSideCastleFR:
5060 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5062 case WhiteQueenSideCastle:
5063 case BlackQueenSideCastle:
5064 case WhiteKingSideCastleWild:
5065 case BlackKingSideCastleWild:
5067 case WhiteASideCastleFR:
5068 case BlackASideCastleFR:
5070 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5072 case WhiteNonPromotion:
5073 case BlackNonPromotion:
5074 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5076 case WhitePromotion:
5077 case BlackPromotion:
5078 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5079 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5080 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5081 PieceToChar(WhiteFerz));
5082 else if(gameInfo.variant == VariantGreat)
5083 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5084 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5085 PieceToChar(WhiteMan));
5087 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5088 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5094 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5095 ToUpper(PieceToChar((ChessSquare) fromX)),
5096 AAA + toX, ONE + toY);
5098 case IllegalMove: /* could be a variant we don't quite understand */
5099 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5101 case WhiteCapturesEnPassant:
5102 case BlackCapturesEnPassant:
5103 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5104 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5107 SendToICS(user_move);
5108 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5109 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5114 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5115 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5116 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5117 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5118 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5121 if(gameMode != IcsExamining) { // is this ever not the case?
5122 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5124 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5125 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5126 } else { // on FICS we must first go to general examine mode
5127 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5129 if(gameInfo.variant != VariantNormal) {
5130 // try figure out wild number, as xboard names are not always valid on ICS
5131 for(i=1; i<=36; i++) {
5132 snprintf(buf, MSG_SIZ, "wild/%d", i);
5133 if(StringToVariant(buf) == gameInfo.variant) break;
5135 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5136 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5137 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5138 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5139 SendToICS(ics_prefix);
5141 if(startedFromSetupPosition || backwardMostMove != 0) {
5142 fen = PositionToFEN(backwardMostMove, NULL);
5143 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5144 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5146 } else { // FICS: everything has to set by separate bsetup commands
5147 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5148 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5150 if(!WhiteOnMove(backwardMostMove)) {
5151 SendToICS("bsetup tomove black\n");
5153 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5154 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5156 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5157 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5159 i = boards[backwardMostMove][EP_STATUS];
5160 if(i >= 0) { // set e.p.
5161 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5167 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5168 SendToICS("bsetup done\n"); // switch to normal examining.
5170 for(i = backwardMostMove; i<last; i++) {
5172 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5173 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5174 int len = strlen(moveList[i]);
5175 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5176 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5180 SendToICS(ics_prefix);
5181 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5185 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5187 if (rf == DROP_RANK) {
5188 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5189 sprintf(move, "%c@%c%c\n",
5190 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5192 if (promoChar == 'x' || promoChar == NULLCHAR) {
5193 sprintf(move, "%c%c%c%c\n",
5194 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5196 sprintf(move, "%c%c%c%c%c\n",
5197 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5203 ProcessICSInitScript (FILE *f)
5207 while (fgets(buf, MSG_SIZ, f)) {
5208 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5215 static int lastX, lastY, selectFlag, dragging;
5220 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5221 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5222 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5223 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5224 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5225 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5228 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5229 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5230 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5231 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5232 if(!step) step = -1;
5233 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5234 appData.testLegality && (promoSweep == king ||
5235 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5237 int victim = boards[currentMove][toY][toX];
5238 boards[currentMove][toY][toX] = promoSweep;
5239 DrawPosition(FALSE, boards[currentMove]);
5240 boards[currentMove][toY][toX] = victim;
5242 ChangeDragPiece(promoSweep);
5246 PromoScroll (int x, int y)
5250 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5251 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5252 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5253 if(!step) return FALSE;
5254 lastX = x; lastY = y;
5255 if((promoSweep < BlackPawn) == flipView) step = -step;
5256 if(step > 0) selectFlag = 1;
5257 if(!selectFlag) Sweep(step);
5262 NextPiece (int step)
5264 ChessSquare piece = boards[currentMove][toY][toX];
5267 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5268 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5269 if(!step) step = -1;
5270 } while(PieceToChar(pieceSweep) == '.');
5271 boards[currentMove][toY][toX] = pieceSweep;
5272 DrawPosition(FALSE, boards[currentMove]);
5273 boards[currentMove][toY][toX] = piece;
5275 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5277 AlphaRank (char *move, int n)
5279 // char *p = move, c; int x, y;
5281 if (appData.debugMode) {
5282 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5286 move[2]>='0' && move[2]<='9' &&
5287 move[3]>='a' && move[3]<='x' ) {
5289 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5290 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5292 if(move[0]>='0' && move[0]<='9' &&
5293 move[1]>='a' && move[1]<='x' &&
5294 move[2]>='0' && move[2]<='9' &&
5295 move[3]>='a' && move[3]<='x' ) {
5296 /* input move, Shogi -> normal */
5297 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5298 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5299 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5300 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5303 move[3]>='0' && move[3]<='9' &&
5304 move[2]>='a' && move[2]<='x' ) {
5306 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5307 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5310 move[0]>='a' && move[0]<='x' &&
5311 move[3]>='0' && move[3]<='9' &&
5312 move[2]>='a' && move[2]<='x' ) {
5313 /* output move, normal -> Shogi */
5314 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5315 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5316 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5317 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5318 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5320 if (appData.debugMode) {
5321 fprintf(debugFP, " out = '%s'\n", move);
5325 char yy_textstr[8000];
5327 /* Parser for moves from gnuchess, ICS, or user typein box */
5329 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5331 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5333 switch (*moveType) {
5334 case WhitePromotion:
5335 case BlackPromotion:
5336 case WhiteNonPromotion:
5337 case BlackNonPromotion:
5339 case WhiteCapturesEnPassant:
5340 case BlackCapturesEnPassant:
5341 case WhiteKingSideCastle:
5342 case WhiteQueenSideCastle:
5343 case BlackKingSideCastle:
5344 case BlackQueenSideCastle:
5345 case WhiteKingSideCastleWild:
5346 case WhiteQueenSideCastleWild:
5347 case BlackKingSideCastleWild:
5348 case BlackQueenSideCastleWild:
5349 /* Code added by Tord: */
5350 case WhiteHSideCastleFR:
5351 case WhiteASideCastleFR:
5352 case BlackHSideCastleFR:
5353 case BlackASideCastleFR:
5354 /* End of code added by Tord */
5355 case IllegalMove: /* bug or odd chess variant */
5356 *fromX = currentMoveString[0] - AAA;
5357 *fromY = currentMoveString[1] - ONE;
5358 *toX = currentMoveString[2] - AAA;
5359 *toY = currentMoveString[3] - ONE;
5360 *promoChar = currentMoveString[4];
5361 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5362 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5363 if (appData.debugMode) {
5364 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5366 *fromX = *fromY = *toX = *toY = 0;
5369 if (appData.testLegality) {
5370 return (*moveType != IllegalMove);
5372 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5373 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5378 *fromX = *moveType == WhiteDrop ?
5379 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5380 (int) CharToPiece(ToLower(currentMoveString[0]));
5382 *toX = currentMoveString[2] - AAA;
5383 *toY = currentMoveString[3] - ONE;
5384 *promoChar = NULLCHAR;
5388 case ImpossibleMove:
5398 if (appData.debugMode) {
5399 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5402 *fromX = *fromY = *toX = *toY = 0;
5403 *promoChar = NULLCHAR;
5408 Boolean pushed = FALSE;
5409 char *lastParseAttempt;
5412 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5413 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5414 int fromX, fromY, toX, toY; char promoChar;
5419 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5420 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5421 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5424 endPV = forwardMostMove;
5426 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5427 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5428 lastParseAttempt = pv;
5429 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5430 if(!valid && nr == 0 &&
5431 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5432 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5433 // Hande case where played move is different from leading PV move
5434 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5435 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5436 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5437 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5438 endPV += 2; // if position different, keep this
5439 moveList[endPV-1][0] = fromX + AAA;
5440 moveList[endPV-1][1] = fromY + ONE;
5441 moveList[endPV-1][2] = toX + AAA;
5442 moveList[endPV-1][3] = toY + ONE;
5443 parseList[endPV-1][0] = NULLCHAR;
5444 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5447 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5448 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5449 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5450 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5451 valid++; // allow comments in PV
5455 if(endPV+1 > framePtr) break; // no space, truncate
5458 CopyBoard(boards[endPV], boards[endPV-1]);
5459 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5460 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5461 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5462 CoordsToAlgebraic(boards[endPV - 1],
5463 PosFlags(endPV - 1),
5464 fromY, fromX, toY, toX, promoChar,
5465 parseList[endPV - 1]);
5467 if(atEnd == 2) return; // used hidden, for PV conversion
5468 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5469 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5470 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5471 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5472 DrawPosition(TRUE, boards[currentMove]);
5476 MultiPV (ChessProgramState *cps)
5477 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5479 for(i=0; i<cps->nrOptions; i++)
5480 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5486 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5488 int startPV, multi, lineStart, origIndex = index;
5489 char *p, buf2[MSG_SIZ];
5490 ChessProgramState *cps = (pane ? &second : &first);
5492 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5493 lastX = x; lastY = y;
5494 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5495 lineStart = startPV = index;
5496 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5497 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5499 do{ while(buf[index] && buf[index] != '\n') index++;
5500 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5502 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5503 int n = cps->option[multi].value;
5504 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5505 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5506 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5507 cps->option[multi].value = n;
5510 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5511 ExcludeClick(origIndex - lineStart);
5514 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5515 *start = startPV; *end = index-1;
5522 static char buf[10*MSG_SIZ];
5523 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5525 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5526 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5527 for(i = forwardMostMove; i<endPV; i++){
5528 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5529 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5532 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5533 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5534 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5540 LoadPV (int x, int y)
5541 { // called on right mouse click to load PV
5542 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5543 lastX = x; lastY = y;
5544 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5551 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5552 if(endPV < 0) return;
5553 if(appData.autoCopyPV) CopyFENToClipboard();
5555 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5556 Boolean saveAnimate = appData.animate;
5558 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5559 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5560 } else storedGames--; // abandon shelved tail of original game
5563 forwardMostMove = currentMove;
5564 currentMove = oldFMM;
5565 appData.animate = FALSE;
5566 ToNrEvent(forwardMostMove);
5567 appData.animate = saveAnimate;
5569 currentMove = forwardMostMove;
5570 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5571 ClearPremoveHighlights();
5572 DrawPosition(TRUE, boards[currentMove]);
5576 MovePV (int x, int y, int h)
5577 { // step through PV based on mouse coordinates (called on mouse move)
5578 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5580 // we must somehow check if right button is still down (might be released off board!)
5581 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5582 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5583 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5585 lastX = x; lastY = y;
5587 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5588 if(endPV < 0) return;
5589 if(y < margin) step = 1; else
5590 if(y > h - margin) step = -1;
5591 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5592 currentMove += step;
5593 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5594 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5595 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5596 DrawPosition(FALSE, boards[currentMove]);
5600 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5601 // All positions will have equal probability, but the current method will not provide a unique
5602 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5608 int piecesLeft[(int)BlackPawn];
5609 int seed, nrOfShuffles;
5612 GetPositionNumber ()
5613 { // sets global variable seed
5616 seed = appData.defaultFrcPosition;
5617 if(seed < 0) { // randomize based on time for negative FRC position numbers
5618 for(i=0; i<50; i++) seed += random();
5619 seed = random() ^ random() >> 8 ^ random() << 8;
5620 if(seed<0) seed = -seed;
5625 put (Board board, int pieceType, int rank, int n, int shade)
5626 // put the piece on the (n-1)-th empty squares of the given shade
5630 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5631 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5632 board[rank][i] = (ChessSquare) pieceType;
5633 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5635 piecesLeft[pieceType]--;
5644 AddOnePiece (Board board, int pieceType, int rank, int shade)
5645 // calculate where the next piece goes, (any empty square), and put it there
5649 i = seed % squaresLeft[shade];
5650 nrOfShuffles *= squaresLeft[shade];
5651 seed /= squaresLeft[shade];
5652 put(board, pieceType, rank, i, shade);
5656 AddTwoPieces (Board board, int pieceType, int rank)
5657 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5659 int i, n=squaresLeft[ANY], j=n-1, k;
5661 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5662 i = seed % k; // pick one
5665 while(i >= j) i -= j--;
5666 j = n - 1 - j; i += j;
5667 put(board, pieceType, rank, j, ANY);
5668 put(board, pieceType, rank, i, ANY);
5672 SetUpShuffle (Board board, int number)
5676 GetPositionNumber(); nrOfShuffles = 1;
5678 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5679 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5680 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5682 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5685 p = (int) board[0][i];
5686 if(p < (int) BlackPawn) piecesLeft[p] ++;
5687 board[0][i] = EmptySquare;
5690 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5691 // shuffles restricted to allow normal castling put KRR first
5692 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5693 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5694 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5695 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5696 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5697 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5698 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5699 put(board, WhiteRook, 0, 0, ANY);
5700 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5703 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5704 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5705 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5706 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5707 while(piecesLeft[p] >= 2) {
5708 AddOnePiece(board, p, 0, LITE);
5709 AddOnePiece(board, p, 0, DARK);
5711 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5714 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5715 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5716 // but we leave King and Rooks for last, to possibly obey FRC restriction
5717 if(p == (int)WhiteRook) continue;
5718 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5719 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5722 // now everything is placed, except perhaps King (Unicorn) and Rooks
5724 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5725 // Last King gets castling rights
5726 while(piecesLeft[(int)WhiteUnicorn]) {
5727 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5728 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5731 while(piecesLeft[(int)WhiteKing]) {
5732 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5733 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5738 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5739 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5742 // Only Rooks can be left; simply place them all
5743 while(piecesLeft[(int)WhiteRook]) {
5744 i = put(board, WhiteRook, 0, 0, ANY);
5745 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5748 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5750 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5753 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5754 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5757 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5761 SetCharTable (char *table, const char * map)
5762 /* [HGM] moved here from winboard.c because of its general usefulness */
5763 /* Basically a safe strcpy that uses the last character as King */
5765 int result = FALSE; int NrPieces;
5767 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5768 && NrPieces >= 12 && !(NrPieces&1)) {
5769 int i; /* [HGM] Accept even length from 12 to 34 */
5771 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5772 for( i=0; i<NrPieces/2-1; i++ ) {
5774 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5776 table[(int) WhiteKing] = map[NrPieces/2-1];
5777 table[(int) BlackKing] = map[NrPieces-1];
5786 Prelude (Board board)
5787 { // [HGM] superchess: random selection of exo-pieces
5788 int i, j, k; ChessSquare p;
5789 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5791 GetPositionNumber(); // use FRC position number
5793 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5794 SetCharTable(pieceToChar, appData.pieceToCharTable);
5795 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5796 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5799 j = seed%4; seed /= 4;
5800 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5801 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5802 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5803 j = seed%3 + (seed%3 >= j); seed /= 3;
5804 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5805 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5806 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5807 j = seed%3; seed /= 3;
5808 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5809 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5810 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5811 j = seed%2 + (seed%2 >= j); seed /= 2;
5812 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5813 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5814 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5815 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5816 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5817 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5818 put(board, exoPieces[0], 0, 0, ANY);
5819 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5823 InitPosition (int redraw)
5825 ChessSquare (* pieces)[BOARD_FILES];
5826 int i, j, pawnRow, overrule,
5827 oldx = gameInfo.boardWidth,
5828 oldy = gameInfo.boardHeight,
5829 oldh = gameInfo.holdingsWidth;
5832 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5834 /* [AS] Initialize pv info list [HGM] and game status */
5836 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5837 pvInfoList[i].depth = 0;
5838 boards[i][EP_STATUS] = EP_NONE;
5839 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5842 initialRulePlies = 0; /* 50-move counter start */
5844 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5845 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5849 /* [HGM] logic here is completely changed. In stead of full positions */
5850 /* the initialized data only consist of the two backranks. The switch */
5851 /* selects which one we will use, which is than copied to the Board */
5852 /* initialPosition, which for the rest is initialized by Pawns and */
5853 /* empty squares. This initial position is then copied to boards[0], */
5854 /* possibly after shuffling, so that it remains available. */
5856 gameInfo.holdingsWidth = 0; /* default board sizes */
5857 gameInfo.boardWidth = 8;
5858 gameInfo.boardHeight = 8;
5859 gameInfo.holdingsSize = 0;
5860 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5861 for(i=0; i<BOARD_FILES-2; i++)
5862 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5863 initialPosition[EP_STATUS] = EP_NONE;
5864 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5865 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5866 SetCharTable(pieceNickName, appData.pieceNickNames);
5867 else SetCharTable(pieceNickName, "............");
5870 switch (gameInfo.variant) {
5871 case VariantFischeRandom:
5872 shuffleOpenings = TRUE;
5875 case VariantShatranj:
5876 pieces = ShatranjArray;
5877 nrCastlingRights = 0;
5878 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5881 pieces = makrukArray;
5882 nrCastlingRights = 0;
5883 startedFromSetupPosition = TRUE;
5884 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5886 case VariantTwoKings:
5887 pieces = twoKingsArray;
5890 pieces = GrandArray;
5891 nrCastlingRights = 0;
5892 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5893 gameInfo.boardWidth = 10;
5894 gameInfo.boardHeight = 10;
5895 gameInfo.holdingsSize = 7;
5897 case VariantCapaRandom:
5898 shuffleOpenings = TRUE;
5899 case VariantCapablanca:
5900 pieces = CapablancaArray;
5901 gameInfo.boardWidth = 10;
5902 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5905 pieces = GothicArray;
5906 gameInfo.boardWidth = 10;
5907 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5910 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5911 gameInfo.holdingsSize = 7;
5912 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5915 pieces = JanusArray;
5916 gameInfo.boardWidth = 10;
5917 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5918 nrCastlingRights = 6;
5919 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5920 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5921 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5922 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5923 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5924 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5927 pieces = FalconArray;
5928 gameInfo.boardWidth = 10;
5929 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5931 case VariantXiangqi:
5932 pieces = XiangqiArray;
5933 gameInfo.boardWidth = 9;
5934 gameInfo.boardHeight = 10;
5935 nrCastlingRights = 0;
5936 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5939 pieces = ShogiArray;
5940 gameInfo.boardWidth = 9;
5941 gameInfo.boardHeight = 9;
5942 gameInfo.holdingsSize = 7;
5943 nrCastlingRights = 0;
5944 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5946 case VariantCourier:
5947 pieces = CourierArray;
5948 gameInfo.boardWidth = 12;
5949 nrCastlingRights = 0;
5950 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5952 case VariantKnightmate:
5953 pieces = KnightmateArray;
5954 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5956 case VariantSpartan:
5957 pieces = SpartanArray;
5958 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5961 pieces = fairyArray;
5962 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5965 pieces = GreatArray;
5966 gameInfo.boardWidth = 10;
5967 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5968 gameInfo.holdingsSize = 8;
5972 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5973 gameInfo.holdingsSize = 8;
5974 startedFromSetupPosition = TRUE;
5976 case VariantCrazyhouse:
5977 case VariantBughouse:
5979 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5980 gameInfo.holdingsSize = 5;
5982 case VariantWildCastle:
5984 /* !!?shuffle with kings guaranteed to be on d or e file */
5985 shuffleOpenings = 1;
5987 case VariantNoCastle:
5989 nrCastlingRights = 0;
5990 /* !!?unconstrained back-rank shuffle */
5991 shuffleOpenings = 1;
5996 if(appData.NrFiles >= 0) {
5997 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5998 gameInfo.boardWidth = appData.NrFiles;
6000 if(appData.NrRanks >= 0) {
6001 gameInfo.boardHeight = appData.NrRanks;
6003 if(appData.holdingsSize >= 0) {
6004 i = appData.holdingsSize;
6005 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6006 gameInfo.holdingsSize = i;
6008 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6009 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6010 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6012 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6013 if(pawnRow < 1) pawnRow = 1;
6014 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6016 /* User pieceToChar list overrules defaults */
6017 if(appData.pieceToCharTable != NULL)
6018 SetCharTable(pieceToChar, appData.pieceToCharTable);
6020 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6022 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6023 s = (ChessSquare) 0; /* account holding counts in guard band */
6024 for( i=0; i<BOARD_HEIGHT; i++ )
6025 initialPosition[i][j] = s;
6027 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6028 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6029 initialPosition[pawnRow][j] = WhitePawn;
6030 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6031 if(gameInfo.variant == VariantXiangqi) {
6033 initialPosition[pawnRow][j] =
6034 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6035 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6036 initialPosition[2][j] = WhiteCannon;
6037 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6041 if(gameInfo.variant == VariantGrand) {
6042 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6043 initialPosition[0][j] = WhiteRook;
6044 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6047 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6049 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6052 initialPosition[1][j] = WhiteBishop;
6053 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6055 initialPosition[1][j] = WhiteRook;
6056 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6059 if( nrCastlingRights == -1) {
6060 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6061 /* This sets default castling rights from none to normal corners */
6062 /* Variants with other castling rights must set them themselves above */
6063 nrCastlingRights = 6;
6065 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6066 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6067 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6068 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6069 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6070 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6073 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6074 if(gameInfo.variant == VariantGreat) { // promotion commoners
6075 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6076 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6077 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6078 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6080 if( gameInfo.variant == VariantSChess ) {
6081 initialPosition[1][0] = BlackMarshall;
6082 initialPosition[2][0] = BlackAngel;
6083 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6084 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6085 initialPosition[1][1] = initialPosition[2][1] =
6086 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6088 if (appData.debugMode) {
6089 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6091 if(shuffleOpenings) {
6092 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6093 startedFromSetupPosition = TRUE;
6095 if(startedFromPositionFile) {
6096 /* [HGM] loadPos: use PositionFile for every new game */
6097 CopyBoard(initialPosition, filePosition);
6098 for(i=0; i<nrCastlingRights; i++)
6099 initialRights[i] = filePosition[CASTLING][i];
6100 startedFromSetupPosition = TRUE;
6103 CopyBoard(boards[0], initialPosition);
6105 if(oldx != gameInfo.boardWidth ||
6106 oldy != gameInfo.boardHeight ||
6107 oldv != gameInfo.variant ||
6108 oldh != gameInfo.holdingsWidth
6110 InitDrawingSizes(-2 ,0);
6112 oldv = gameInfo.variant;
6114 DrawPosition(TRUE, boards[currentMove]);
6118 SendBoard (ChessProgramState *cps, int moveNum)
6120 char message[MSG_SIZ];
6122 if (cps->useSetboard) {
6123 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6124 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6125 SendToProgram(message, cps);
6130 int i, j, left=0, right=BOARD_WIDTH;
6131 /* Kludge to set black to move, avoiding the troublesome and now
6132 * deprecated "black" command.
6134 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6135 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6137 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6139 SendToProgram("edit\n", cps);
6140 SendToProgram("#\n", cps);
6141 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6142 bp = &boards[moveNum][i][left];
6143 for (j = left; j < right; j++, bp++) {
6144 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6145 if ((int) *bp < (int) BlackPawn) {
6146 if(j == BOARD_RGHT+1)
6147 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6148 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6149 if(message[0] == '+' || message[0] == '~') {
6150 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6151 PieceToChar((ChessSquare)(DEMOTED *bp)),
6154 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6155 message[1] = BOARD_RGHT - 1 - j + '1';
6156 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6158 SendToProgram(message, cps);
6163 SendToProgram("c\n", cps);
6164 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6165 bp = &boards[moveNum][i][left];
6166 for (j = left; j < right; j++, bp++) {
6167 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6168 if (((int) *bp != (int) EmptySquare)
6169 && ((int) *bp >= (int) BlackPawn)) {
6170 if(j == BOARD_LEFT-2)
6171 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6172 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6174 if(message[0] == '+' || message[0] == '~') {
6175 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6176 PieceToChar((ChessSquare)(DEMOTED *bp)),
6179 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6180 message[1] = BOARD_RGHT - 1 - j + '1';
6181 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6183 SendToProgram(message, cps);
6188 SendToProgram(".\n", cps);
6190 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6193 char exclusionHeader[MSG_SIZ];
6194 int exCnt, excludePtr;
6195 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6196 static Exclusion excluTab[200];
6197 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6203 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6204 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6210 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6211 excludePtr = 24; exCnt = 0;
6216 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6217 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6218 char buf[2*MOVE_LEN], *p;
6219 Exclusion *e = excluTab;
6221 for(i=0; i<exCnt; i++)
6222 if(e[i].ff == fromX && e[i].fr == fromY &&
6223 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6224 if(i == exCnt) { // was not in exclude list; add it
6225 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6226 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6227 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6230 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6231 excludePtr++; e[i].mark = excludePtr++;
6232 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6235 exclusionHeader[e[i].mark] = state;
6239 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6240 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6244 if((signed char)promoChar == -1) { // kludge to indicate best move
6245 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6246 return 1; // if unparsable, abort
6248 // update exclusion map (resolving toggle by consulting existing state)
6249 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6251 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6252 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6253 excludeMap[k] |= 1<<j;
6254 else excludeMap[k] &= ~(1<<j);
6256 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6258 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6259 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6261 return (state == '+');
6265 ExcludeClick (int index)
6268 Exclusion *e = excluTab;
6269 if(index < 25) { // none, best or tail clicked
6270 if(index < 13) { // none: include all
6271 WriteMap(0); // clear map
6272 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6273 SendToBoth("include all\n"); // and inform engine
6274 } else if(index > 18) { // tail
6275 if(exclusionHeader[19] == '-') { // tail was excluded
6276 SendToBoth("include all\n");
6277 WriteMap(0); // clear map completely
6278 // now re-exclude selected moves
6279 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6280 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6281 } else { // tail was included or in mixed state
6282 SendToBoth("exclude all\n");
6283 WriteMap(0xFF); // fill map completely
6284 // now re-include selected moves
6285 j = 0; // count them
6286 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6287 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6288 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6291 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6294 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6295 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6296 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6303 DefaultPromoChoice (int white)
6306 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6307 result = WhiteFerz; // no choice
6308 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6309 result= WhiteKing; // in Suicide Q is the last thing we want
6310 else if(gameInfo.variant == VariantSpartan)
6311 result = white ? WhiteQueen : WhiteAngel;
6312 else result = WhiteQueen;
6313 if(!white) result = WHITE_TO_BLACK result;
6317 static int autoQueen; // [HGM] oneclick
6320 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6322 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6323 /* [HGM] add Shogi promotions */
6324 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6329 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6330 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6332 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6333 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6336 piece = boards[currentMove][fromY][fromX];
6337 if(gameInfo.variant == VariantShogi) {
6338 promotionZoneSize = BOARD_HEIGHT/3;
6339 highestPromotingPiece = (int)WhiteFerz;
6340 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6341 promotionZoneSize = 3;
6344 // Treat Lance as Pawn when it is not representing Amazon
6345 if(gameInfo.variant != VariantSuper) {
6346 if(piece == WhiteLance) piece = WhitePawn; else
6347 if(piece == BlackLance) piece = BlackPawn;
6350 // next weed out all moves that do not touch the promotion zone at all
6351 if((int)piece >= BlackPawn) {
6352 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6354 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6356 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6357 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6360 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6362 // weed out mandatory Shogi promotions
6363 if(gameInfo.variant == VariantShogi) {
6364 if(piece >= BlackPawn) {
6365 if(toY == 0 && piece == BlackPawn ||
6366 toY == 0 && piece == BlackQueen ||
6367 toY <= 1 && piece == BlackKnight) {
6372 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6373 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6374 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6381 // weed out obviously illegal Pawn moves
6382 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6383 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6384 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6385 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6386 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6387 // note we are not allowed to test for valid (non-)capture, due to premove
6390 // we either have a choice what to promote to, or (in Shogi) whether to promote
6391 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6392 *promoChoice = PieceToChar(BlackFerz); // no choice
6395 // no sense asking what we must promote to if it is going to explode...
6396 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6397 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6400 // give caller the default choice even if we will not make it
6401 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6402 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6403 if( sweepSelect && gameInfo.variant != VariantGreat
6404 && gameInfo.variant != VariantGrand
6405 && gameInfo.variant != VariantSuper) return FALSE;
6406 if(autoQueen) return FALSE; // predetermined
6408 // suppress promotion popup on illegal moves that are not premoves
6409 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6410 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6411 if(appData.testLegality && !premove) {
6412 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6413 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6414 if(moveType != WhitePromotion && moveType != BlackPromotion)
6422 InPalace (int row, int column)
6423 { /* [HGM] for Xiangqi */
6424 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6425 column < (BOARD_WIDTH + 4)/2 &&
6426 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6431 PieceForSquare (int x, int y)
6433 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6436 return boards[currentMove][y][x];
6440 OKToStartUserMove (int x, int y)
6442 ChessSquare from_piece;
6445 if (matchMode) return FALSE;
6446 if (gameMode == EditPosition) return TRUE;
6448 if (x >= 0 && y >= 0)
6449 from_piece = boards[currentMove][y][x];
6451 from_piece = EmptySquare;
6453 if (from_piece == EmptySquare) return FALSE;
6455 white_piece = (int)from_piece >= (int)WhitePawn &&
6456 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6460 case TwoMachinesPlay:
6468 case MachinePlaysWhite:
6469 case IcsPlayingBlack:
6470 if (appData.zippyPlay) return FALSE;
6472 DisplayMoveError(_("You are playing Black"));
6477 case MachinePlaysBlack:
6478 case IcsPlayingWhite:
6479 if (appData.zippyPlay) return FALSE;
6481 DisplayMoveError(_("You are playing White"));
6486 case PlayFromGameFile:
6487 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6489 if (!white_piece && WhiteOnMove(currentMove)) {
6490 DisplayMoveError(_("It is White's turn"));
6493 if (white_piece && !WhiteOnMove(currentMove)) {
6494 DisplayMoveError(_("It is Black's turn"));
6497 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6498 /* Editing correspondence game history */
6499 /* Could disallow this or prompt for confirmation */
6504 case BeginningOfGame:
6505 if (appData.icsActive) return FALSE;
6506 if (!appData.noChessProgram) {
6508 DisplayMoveError(_("You are playing White"));
6515 if (!white_piece && WhiteOnMove(currentMove)) {
6516 DisplayMoveError(_("It is White's turn"));
6519 if (white_piece && !WhiteOnMove(currentMove)) {
6520 DisplayMoveError(_("It is Black's turn"));
6529 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6530 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6531 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6532 && gameMode != AnalyzeFile && gameMode != Training) {
6533 DisplayMoveError(_("Displayed position is not current"));
6540 OnlyMove (int *x, int *y, Boolean captures)
6542 DisambiguateClosure cl;
6543 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6545 case MachinePlaysBlack:
6546 case IcsPlayingWhite:
6547 case BeginningOfGame:
6548 if(!WhiteOnMove(currentMove)) return FALSE;
6550 case MachinePlaysWhite:
6551 case IcsPlayingBlack:
6552 if(WhiteOnMove(currentMove)) return FALSE;
6559 cl.pieceIn = EmptySquare;
6564 cl.promoCharIn = NULLCHAR;
6565 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6566 if( cl.kind == NormalMove ||
6567 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6568 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6569 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6576 if(cl.kind != ImpossibleMove) return FALSE;
6577 cl.pieceIn = EmptySquare;
6582 cl.promoCharIn = NULLCHAR;
6583 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6584 if( cl.kind == NormalMove ||
6585 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6586 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6587 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6592 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6598 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6599 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6600 int lastLoadGameUseList = FALSE;
6601 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6602 ChessMove lastLoadGameStart = EndOfFile;
6606 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6610 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6612 /* Check if the user is playing in turn. This is complicated because we
6613 let the user "pick up" a piece before it is his turn. So the piece he
6614 tried to pick up may have been captured by the time he puts it down!
6615 Therefore we use the color the user is supposed to be playing in this
6616 test, not the color of the piece that is currently on the starting
6617 square---except in EditGame mode, where the user is playing both
6618 sides; fortunately there the capture race can't happen. (It can
6619 now happen in IcsExamining mode, but that's just too bad. The user
6620 will get a somewhat confusing message in that case.)
6625 case TwoMachinesPlay:
6629 /* We switched into a game mode where moves are not accepted,
6630 perhaps while the mouse button was down. */
6633 case MachinePlaysWhite:
6634 /* User is moving for Black */
6635 if (WhiteOnMove(currentMove)) {
6636 DisplayMoveError(_("It is White's turn"));
6641 case MachinePlaysBlack:
6642 /* User is moving for White */
6643 if (!WhiteOnMove(currentMove)) {
6644 DisplayMoveError(_("It is Black's turn"));
6649 case PlayFromGameFile:
6650 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6653 case BeginningOfGame:
6656 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6657 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6658 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6659 /* User is moving for Black */
6660 if (WhiteOnMove(currentMove)) {
6661 DisplayMoveError(_("It is White's turn"));
6665 /* User is moving for White */
6666 if (!WhiteOnMove(currentMove)) {
6667 DisplayMoveError(_("It is Black's turn"));
6673 case IcsPlayingBlack:
6674 /* User is moving for Black */
6675 if (WhiteOnMove(currentMove)) {
6676 if (!appData.premove) {
6677 DisplayMoveError(_("It is White's turn"));
6678 } else if (toX >= 0 && toY >= 0) {
6681 premoveFromX = fromX;
6682 premoveFromY = fromY;
6683 premovePromoChar = promoChar;
6685 if (appData.debugMode)
6686 fprintf(debugFP, "Got premove: fromX %d,"
6687 "fromY %d, toX %d, toY %d\n",
6688 fromX, fromY, toX, toY);
6694 case IcsPlayingWhite:
6695 /* User is moving for White */
6696 if (!WhiteOnMove(currentMove)) {
6697 if (!appData.premove) {
6698 DisplayMoveError(_("It is Black's turn"));
6699 } else if (toX >= 0 && toY >= 0) {
6702 premoveFromX = fromX;
6703 premoveFromY = fromY;
6704 premovePromoChar = promoChar;
6706 if (appData.debugMode)
6707 fprintf(debugFP, "Got premove: fromX %d,"
6708 "fromY %d, toX %d, toY %d\n",
6709 fromX, fromY, toX, toY);
6719 /* EditPosition, empty square, or different color piece;
6720 click-click move is possible */
6721 if (toX == -2 || toY == -2) {
6722 boards[0][fromY][fromX] = EmptySquare;
6723 DrawPosition(FALSE, boards[currentMove]);
6725 } else if (toX >= 0 && toY >= 0) {
6726 boards[0][toY][toX] = boards[0][fromY][fromX];
6727 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6728 if(boards[0][fromY][0] != EmptySquare) {
6729 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6730 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6733 if(fromX == BOARD_RGHT+1) {
6734 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6735 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6736 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6739 boards[0][fromY][fromX] = gatingPiece;
6740 DrawPosition(FALSE, boards[currentMove]);
6746 if(toX < 0 || toY < 0) return;
6747 pup = boards[currentMove][toY][toX];
6749 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6750 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6751 if( pup != EmptySquare ) return;
6752 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6753 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6754 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6755 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6756 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6757 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6758 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6762 /* [HGM] always test for legality, to get promotion info */
6763 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6764 fromY, fromX, toY, toX, promoChar);
6766 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6768 /* [HGM] but possibly ignore an IllegalMove result */
6769 if (appData.testLegality) {
6770 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6771 DisplayMoveError(_("Illegal move"));
6776 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6777 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6778 ClearPremoveHighlights(); // was included
6779 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6783 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6786 /* Common tail of UserMoveEvent and DropMenuEvent */
6788 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6792 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6793 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6794 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6795 if(WhiteOnMove(currentMove)) {
6796 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6798 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6802 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6803 move type in caller when we know the move is a legal promotion */
6804 if(moveType == NormalMove && promoChar)
6805 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6807 /* [HGM] <popupFix> The following if has been moved here from
6808 UserMoveEvent(). Because it seemed to belong here (why not allow
6809 piece drops in training games?), and because it can only be
6810 performed after it is known to what we promote. */
6811 if (gameMode == Training) {
6812 /* compare the move played on the board to the next move in the
6813 * game. If they match, display the move and the opponent's response.
6814 * If they don't match, display an error message.
6818 CopyBoard(testBoard, boards[currentMove]);
6819 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6821 if (CompareBoards(testBoard, boards[currentMove+1])) {
6822 ForwardInner(currentMove+1);
6824 /* Autoplay the opponent's response.
6825 * if appData.animate was TRUE when Training mode was entered,
6826 * the response will be animated.
6828 saveAnimate = appData.animate;
6829 appData.animate = animateTraining;
6830 ForwardInner(currentMove+1);
6831 appData.animate = saveAnimate;
6833 /* check for the end of the game */
6834 if (currentMove >= forwardMostMove) {
6835 gameMode = PlayFromGameFile;
6837 SetTrainingModeOff();
6838 DisplayInformation(_("End of game"));
6841 DisplayError(_("Incorrect move"), 0);
6846 /* Ok, now we know that the move is good, so we can kill
6847 the previous line in Analysis Mode */
6848 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6849 && currentMove < forwardMostMove) {
6850 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6851 else forwardMostMove = currentMove;
6856 /* If we need the chess program but it's dead, restart it */
6857 ResurrectChessProgram();
6859 /* A user move restarts a paused game*/
6863 thinkOutput[0] = NULLCHAR;
6865 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6867 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6868 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6872 if (gameMode == BeginningOfGame) {
6873 if (appData.noChessProgram) {
6874 gameMode = EditGame;
6878 gameMode = MachinePlaysBlack;
6881 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6883 if (first.sendName) {
6884 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6885 SendToProgram(buf, &first);
6892 /* Relay move to ICS or chess engine */
6893 if (appData.icsActive) {
6894 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6895 gameMode == IcsExamining) {
6896 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6897 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6899 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6901 // also send plain move, in case ICS does not understand atomic claims
6902 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6906 if (first.sendTime && (gameMode == BeginningOfGame ||
6907 gameMode == MachinePlaysWhite ||
6908 gameMode == MachinePlaysBlack)) {
6909 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6911 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6912 // [HGM] book: if program might be playing, let it use book
6913 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6914 first.maybeThinking = TRUE;
6915 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6916 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6917 SendBoard(&first, currentMove+1);
6918 if(second.analyzing) {
6919 if(!second.useSetboard) SendToProgram("undo\n", &second);
6920 SendBoard(&second, currentMove+1);
6923 SendMoveToProgram(forwardMostMove-1, &first);
6924 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6926 if (currentMove == cmailOldMove + 1) {
6927 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6931 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6935 if(appData.testLegality)
6936 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6942 if (WhiteOnMove(currentMove)) {
6943 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6945 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6949 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6954 case MachinePlaysBlack:
6955 case MachinePlaysWhite:
6956 /* disable certain menu options while machine is thinking */
6957 SetMachineThinkingEnables();
6964 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6965 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6967 if(bookHit) { // [HGM] book: simulate book reply
6968 static char bookMove[MSG_SIZ]; // a bit generous?
6970 programStats.nodes = programStats.depth = programStats.time =
6971 programStats.score = programStats.got_only_move = 0;
6972 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6974 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6975 strcat(bookMove, bookHit);
6976 HandleMachineMove(bookMove, &first);
6982 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6984 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6985 Markers *m = (Markers *) closure;
6986 if(rf == fromY && ff == fromX)
6987 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6988 || kind == WhiteCapturesEnPassant
6989 || kind == BlackCapturesEnPassant);
6990 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6994 MarkTargetSquares (int clear)
6997 if(clear) // no reason to ever suppress clearing
6998 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6999 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7000 !appData.testLegality || gameMode == EditPosition) return;
7003 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7004 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7005 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7007 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7010 DrawPosition(FALSE, NULL);
7014 Explode (Board board, int fromX, int fromY, int toX, int toY)
7016 if(gameInfo.variant == VariantAtomic &&
7017 (board[toY][toX] != EmptySquare || // capture?
7018 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7019 board[fromY][fromX] == BlackPawn )
7021 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7027 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7030 CanPromote (ChessSquare piece, int y)
7032 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7033 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7034 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7035 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7036 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7037 gameInfo.variant == VariantMakruk) return FALSE;
7038 return (piece == BlackPawn && y == 1 ||
7039 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7040 piece == BlackLance && y == 1 ||
7041 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7045 LeftClick (ClickType clickType, int xPix, int yPix)
7048 Boolean saveAnimate;
7049 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7050 char promoChoice = NULLCHAR;
7052 static TimeMark lastClickTime, prevClickTime;
7054 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7056 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7058 if (clickType == Press) ErrorPopDown();
7060 x = EventToSquare(xPix, BOARD_WIDTH);
7061 y = EventToSquare(yPix, BOARD_HEIGHT);
7062 if (!flipView && y >= 0) {
7063 y = BOARD_HEIGHT - 1 - y;
7065 if (flipView && x >= 0) {
7066 x = BOARD_WIDTH - 1 - x;
7069 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7070 defaultPromoChoice = promoSweep;
7071 promoSweep = EmptySquare; // terminate sweep
7072 promoDefaultAltered = TRUE;
7073 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7076 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7077 if(clickType == Release) return; // ignore upclick of click-click destination
7078 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7079 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7080 if(gameInfo.holdingsWidth &&
7081 (WhiteOnMove(currentMove)
7082 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7083 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7084 // click in right holdings, for determining promotion piece
7085 ChessSquare p = boards[currentMove][y][x];
7086 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7087 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7088 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7089 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7094 DrawPosition(FALSE, boards[currentMove]);
7098 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7099 if(clickType == Press
7100 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7101 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7102 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7105 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7106 // could be static click on premove from-square: abort premove
7108 ClearPremoveHighlights();
7111 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7112 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7114 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7115 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7116 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7117 defaultPromoChoice = DefaultPromoChoice(side);
7120 autoQueen = appData.alwaysPromoteToQueen;
7124 gatingPiece = EmptySquare;
7125 if (clickType != Press) {
7126 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7127 DragPieceEnd(xPix, yPix); dragging = 0;
7128 DrawPosition(FALSE, NULL);
7132 doubleClick = FALSE;
7133 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7134 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7136 fromX = x; fromY = y; toX = toY = -1;
7137 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7138 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7139 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7141 if (OKToStartUserMove(fromX, fromY)) {
7143 MarkTargetSquares(0);
7144 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7145 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7146 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7147 promoSweep = defaultPromoChoice;
7148 selectFlag = 0; lastX = xPix; lastY = yPix;
7149 Sweep(0); // Pawn that is going to promote: preview promotion piece
7150 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7152 if (appData.highlightDragging) {
7153 SetHighlights(fromX, fromY, -1, -1);
7157 } else fromX = fromY = -1;
7163 if (clickType == Press && gameMode != EditPosition) {
7168 // ignore off-board to clicks
7169 if(y < 0 || x < 0) return;
7171 /* Check if clicking again on the same color piece */
7172 fromP = boards[currentMove][fromY][fromX];
7173 toP = boards[currentMove][y][x];
7174 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7175 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7176 WhitePawn <= toP && toP <= WhiteKing &&
7177 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7178 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7179 (BlackPawn <= fromP && fromP <= BlackKing &&
7180 BlackPawn <= toP && toP <= BlackKing &&
7181 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7182 !(fromP == BlackKing && toP == BlackRook && frc))) {
7183 /* Clicked again on same color piece -- changed his mind */
7184 second = (x == fromX && y == fromY);
7185 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7186 second = FALSE; // first double-click rather than scond click
7187 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7189 promoDefaultAltered = FALSE;
7190 MarkTargetSquares(1);
7191 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7192 if (appData.highlightDragging) {
7193 SetHighlights(x, y, -1, -1);
7197 if (OKToStartUserMove(x, y)) {
7198 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7199 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7200 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7201 gatingPiece = boards[currentMove][fromY][fromX];
7202 else gatingPiece = doubleClick ? fromP : EmptySquare;
7204 fromY = y; dragging = 1;
7205 MarkTargetSquares(0);
7206 DragPieceBegin(xPix, yPix, FALSE);
7207 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7208 promoSweep = defaultPromoChoice;
7209 selectFlag = 0; lastX = xPix; lastY = yPix;
7210 Sweep(0); // Pawn that is going to promote: preview promotion piece
7214 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7217 // ignore clicks on holdings
7218 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7221 if (clickType == Release && x == fromX && y == fromY) {
7222 DragPieceEnd(xPix, yPix); dragging = 0;
7224 // a deferred attempt to click-click move an empty square on top of a piece
7225 boards[currentMove][y][x] = EmptySquare;
7227 DrawPosition(FALSE, boards[currentMove]);
7228 fromX = fromY = -1; clearFlag = 0;
7231 if (appData.animateDragging) {
7232 /* Undo animation damage if any */
7233 DrawPosition(FALSE, NULL);
7235 if (second || sweepSelecting) {
7236 /* Second up/down in same square; just abort move */
7237 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7238 second = sweepSelecting = 0;
7240 gatingPiece = EmptySquare;
7243 ClearPremoveHighlights();
7245 /* First upclick in same square; start click-click mode */
7246 SetHighlights(x, y, -1, -1);
7253 /* we now have a different from- and (possibly off-board) to-square */
7254 /* Completed move */
7255 if(!sweepSelecting) {
7258 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7260 saveAnimate = appData.animate;
7261 if (clickType == Press) {
7262 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7263 // must be Edit Position mode with empty-square selected
7264 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7265 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7268 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7269 if(appData.sweepSelect) {
7270 ChessSquare piece = boards[currentMove][fromY][fromX];
7271 promoSweep = defaultPromoChoice;
7272 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7273 selectFlag = 0; lastX = xPix; lastY = yPix;
7274 Sweep(0); // Pawn that is going to promote: preview promotion piece
7276 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7277 MarkTargetSquares(1);
7279 return; // promo popup appears on up-click
7281 /* Finish clickclick move */
7282 if (appData.animate || appData.highlightLastMove) {
7283 SetHighlights(fromX, fromY, toX, toY);
7289 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7290 /* Finish drag move */
7291 if (appData.highlightLastMove) {
7292 SetHighlights(fromX, fromY, toX, toY);
7297 DragPieceEnd(xPix, yPix); dragging = 0;
7298 /* Don't animate move and drag both */
7299 appData.animate = FALSE;
7302 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7303 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7304 ChessSquare piece = boards[currentMove][fromY][fromX];
7305 if(gameMode == EditPosition && piece != EmptySquare &&
7306 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7309 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7310 n = PieceToNumber(piece - (int)BlackPawn);
7311 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7312 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7313 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7315 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7316 n = PieceToNumber(piece);
7317 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7318 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7319 boards[currentMove][n][BOARD_WIDTH-2]++;
7321 boards[currentMove][fromY][fromX] = EmptySquare;
7325 MarkTargetSquares(1);
7326 DrawPosition(TRUE, boards[currentMove]);
7330 // off-board moves should not be highlighted
7331 if(x < 0 || y < 0) ClearHighlights();
7333 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7335 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7336 SetHighlights(fromX, fromY, toX, toY);
7337 MarkTargetSquares(1);
7338 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7339 // [HGM] super: promotion to captured piece selected from holdings
7340 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7341 promotionChoice = TRUE;
7342 // kludge follows to temporarily execute move on display, without promoting yet
7343 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7344 boards[currentMove][toY][toX] = p;
7345 DrawPosition(FALSE, boards[currentMove]);
7346 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7347 boards[currentMove][toY][toX] = q;
7348 DisplayMessage("Click in holdings to choose piece", "");
7353 int oldMove = currentMove;
7354 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7355 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7356 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7357 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7358 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7359 DrawPosition(TRUE, boards[currentMove]);
7360 MarkTargetSquares(1);
7363 appData.animate = saveAnimate;
7364 if (appData.animate || appData.animateDragging) {
7365 /* Undo animation damage if needed */
7366 DrawPosition(FALSE, NULL);
7371 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7372 { // front-end-free part taken out of PieceMenuPopup
7373 int whichMenu; int xSqr, ySqr;
7375 if(seekGraphUp) { // [HGM] seekgraph
7376 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7377 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7381 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7382 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7383 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7384 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7385 if(action == Press) {
7386 originalFlip = flipView;
7387 flipView = !flipView; // temporarily flip board to see game from partners perspective
7388 DrawPosition(TRUE, partnerBoard);
7389 DisplayMessage(partnerStatus, "");
7391 } else if(action == Release) {
7392 flipView = originalFlip;
7393 DrawPosition(TRUE, boards[currentMove]);
7399 xSqr = EventToSquare(x, BOARD_WIDTH);
7400 ySqr = EventToSquare(y, BOARD_HEIGHT);
7401 if (action == Release) {
7402 if(pieceSweep != EmptySquare) {
7403 EditPositionMenuEvent(pieceSweep, toX, toY);
7404 pieceSweep = EmptySquare;
7405 } else UnLoadPV(); // [HGM] pv
7407 if (action != Press) return -2; // return code to be ignored
7410 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7412 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7413 if (xSqr < 0 || ySqr < 0) return -1;
7414 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7415 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7416 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7417 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7421 if(!appData.icsEngineAnalyze) return -1;
7422 case IcsPlayingWhite:
7423 case IcsPlayingBlack:
7424 if(!appData.zippyPlay) goto noZip;
7427 case MachinePlaysWhite:
7428 case MachinePlaysBlack:
7429 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7430 if (!appData.dropMenu) {
7432 return 2; // flag front-end to grab mouse events
7434 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7435 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7438 if (xSqr < 0 || ySqr < 0) return -1;
7439 if (!appData.dropMenu || appData.testLegality &&
7440 gameInfo.variant != VariantBughouse &&
7441 gameInfo.variant != VariantCrazyhouse) return -1;
7442 whichMenu = 1; // drop menu
7448 if (((*fromX = xSqr) < 0) ||
7449 ((*fromY = ySqr) < 0)) {
7450 *fromX = *fromY = -1;
7454 *fromX = BOARD_WIDTH - 1 - *fromX;
7456 *fromY = BOARD_HEIGHT - 1 - *fromY;
7462 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7464 // char * hint = lastHint;
7465 FrontEndProgramStats stats;
7467 stats.which = cps == &first ? 0 : 1;
7468 stats.depth = cpstats->depth;
7469 stats.nodes = cpstats->nodes;
7470 stats.score = cpstats->score;
7471 stats.time = cpstats->time;
7472 stats.pv = cpstats->movelist;
7473 stats.hint = lastHint;
7474 stats.an_move_index = 0;
7475 stats.an_move_count = 0;
7477 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7478 stats.hint = cpstats->move_name;
7479 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7480 stats.an_move_count = cpstats->nr_moves;
7483 if(stats.pv && stats.pv[0]) safeStrCpy(lastPV[stats.which], stats.pv, sizeof(lastPV[stats.which])/sizeof(lastPV[stats.which][0])); // [HGM] pv: remember last PV of each
7485 SetProgramStats( &stats );
7489 ClearEngineOutputPane (int which)
7491 static FrontEndProgramStats dummyStats;
7492 dummyStats.which = which;
7493 dummyStats.pv = "#";
7494 SetProgramStats( &dummyStats );
7497 #define MAXPLAYERS 500
7500 TourneyStandings (int display)
7502 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7503 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7504 char result, *p, *names[MAXPLAYERS];
7506 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7507 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7508 names[0] = p = strdup(appData.participants);
7509 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7511 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7513 while(result = appData.results[nr]) {
7514 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7515 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7516 wScore = bScore = 0;
7518 case '+': wScore = 2; break;
7519 case '-': bScore = 2; break;
7520 case '=': wScore = bScore = 1; break;
7522 case '*': return strdup("busy"); // tourney not finished
7530 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7531 for(w=0; w<nPlayers; w++) {
7533 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7534 ranking[w] = b; points[w] = bScore; score[b] = -2;
7536 p = malloc(nPlayers*34+1);
7537 for(w=0; w<nPlayers && w<display; w++)
7538 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7544 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7545 { // count all piece types
7547 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7548 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7549 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7552 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7553 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7554 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7555 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7556 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7557 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7562 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7564 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7565 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7567 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7568 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7569 if(myPawns == 2 && nMine == 3) // KPP
7570 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7571 if(myPawns == 1 && nMine == 2) // KP
7572 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7573 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7574 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7575 if(myPawns) return FALSE;
7576 if(pCnt[WhiteRook+side])
7577 return pCnt[BlackRook-side] ||
7578 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7579 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7580 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7581 if(pCnt[WhiteCannon+side]) {
7582 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7583 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7585 if(pCnt[WhiteKnight+side])
7586 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7591 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7593 VariantClass v = gameInfo.variant;
7595 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7596 if(v == VariantShatranj) return TRUE; // always winnable through baring
7597 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7598 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7600 if(v == VariantXiangqi) {
7601 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7603 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7604 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7605 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7606 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7607 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7608 if(stale) // we have at least one last-rank P plus perhaps C
7609 return majors // KPKX
7610 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7612 return pCnt[WhiteFerz+side] // KCAK
7613 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7614 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7615 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7617 } else if(v == VariantKnightmate) {
7618 if(nMine == 1) return FALSE;
7619 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7620 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7621 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7623 if(nMine == 1) return FALSE; // bare King
7624 if(nBishops && bisColor == 3) return TRUE; // There must be a second B/A/F, which can either block (his) or attack (mine) the escape square
7625 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7626 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7627 // by now we have King + 1 piece (or multiple Bishops on the same color)
7628 if(pCnt[WhiteKnight+side])
7629 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7630 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7631 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7633 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7634 if(pCnt[WhiteAlfil+side])
7635 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7636 if(pCnt[WhiteWazir+side])
7637 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7644 CompareWithRights (Board b1, Board b2)
7647 if(!CompareBoards(b1, b2)) return FALSE;
7648 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7649 /* compare castling rights */
7650 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7651 rights++; /* King lost rights, while rook still had them */
7652 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7653 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7654 rights++; /* but at least one rook lost them */
7656 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7658 if( b1[CASTLING][5] != NoRights ) {
7659 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7666 Adjudicate (ChessProgramState *cps)
7667 { // [HGM] some adjudications useful with buggy engines
7668 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7669 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7670 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7671 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7672 int k, drop, count = 0; static int bare = 1;
7673 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7674 Boolean canAdjudicate = !appData.icsActive;
7676 // most tests only when we understand the game, i.e. legality-checking on
7677 if( appData.testLegality )
7678 { /* [HGM] Some more adjudications for obstinate engines */
7679 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7680 static int moveCount = 6;
7682 char *reason = NULL;
7684 /* Count what is on board. */
7685 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7687 /* Some material-based adjudications that have to be made before stalemate test */
7688 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7689 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7690 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7691 if(canAdjudicate && appData.checkMates) {
7693 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7694 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7695 "Xboard adjudication: King destroyed", GE_XBOARD );
7700 /* Bare King in Shatranj (loses) or Losers (wins) */
7701 if( nrW == 1 || nrB == 1) {
7702 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7703 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7704 if(canAdjudicate && appData.checkMates) {
7706 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7707 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7708 "Xboard adjudication: Bare king", GE_XBOARD );
7712 if( gameInfo.variant == VariantShatranj && --bare < 0)
7714 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7715 if(canAdjudicate && appData.checkMates) {
7716 /* but only adjudicate if adjudication enabled */
7718 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7719 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7720 "Xboard adjudication: Bare king", GE_XBOARD );
7727 // don't wait for engine to announce game end if we can judge ourselves
7728 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7730 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7731 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7732 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7733 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7736 reason = "Xboard adjudication: 3rd check";
7737 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7747 reason = "Xboard adjudication: Stalemate";
7748 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7749 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7750 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7751 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7752 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7753 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7754 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7755 EP_CHECKMATE : EP_WINS);
7756 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7757 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7761 reason = "Xboard adjudication: Checkmate";
7762 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7766 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7768 result = GameIsDrawn; break;
7770 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7772 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7776 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7778 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7779 GameEnds( result, reason, GE_XBOARD );
7783 /* Next absolutely insufficient mating material. */
7784 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7785 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7786 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7788 /* always flag draws, for judging claims */
7789 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7791 if(canAdjudicate && appData.materialDraws) {
7792 /* but only adjudicate them if adjudication enabled */
7793 if(engineOpponent) {
7794 SendToProgram("force\n", engineOpponent); // suppress reply
7795 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7797 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7802 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7803 if(gameInfo.variant == VariantXiangqi ?
7804 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7806 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7807 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7808 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7809 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7811 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7812 { /* if the first 3 moves do not show a tactical win, declare draw */
7813 if(engineOpponent) {
7814 SendToProgram("force\n", engineOpponent); // suppress reply
7815 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7817 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7820 } else moveCount = 6;
7823 // Repetition draws and 50-move rule can be applied independently of legality testing
7825 /* Check for rep-draws */
7827 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7828 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7829 for(k = forwardMostMove-2;
7830 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7831 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7832 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7835 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7836 /* compare castling rights */
7837 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7838 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7839 rights++; /* King lost rights, while rook still had them */
7840 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7841 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7842 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7843 rights++; /* but at least one rook lost them */
7845 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7846 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7848 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7849 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7850 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7853 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7854 && appData.drawRepeats > 1) {
7855 /* adjudicate after user-specified nr of repeats */
7856 int result = GameIsDrawn;
7857 char *details = "XBoard adjudication: repetition draw";
7858 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7859 // [HGM] xiangqi: check for forbidden perpetuals
7860 int m, ourPerpetual = 1, hisPerpetual = 1;
7861 for(m=forwardMostMove; m>k; m-=2) {
7862 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7863 ourPerpetual = 0; // the current mover did not always check
7864 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7865 hisPerpetual = 0; // the opponent did not always check
7867 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7868 ourPerpetual, hisPerpetual);
7869 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7870 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7871 details = "Xboard adjudication: perpetual checking";
7873 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7874 break; // (or we would have caught him before). Abort repetition-checking loop.
7876 // Now check for perpetual chases
7877 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7878 hisPerpetual = PerpetualChase(k, forwardMostMove);
7879 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7880 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7881 static char resdet[MSG_SIZ];
7882 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7884 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7886 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7887 break; // Abort repetition-checking loop.
7889 // if neither of us is checking or chasing all the time, or both are, it is draw
7891 if(engineOpponent) {
7892 SendToProgram("force\n", engineOpponent); // suppress reply
7893 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7895 GameEnds( result, details, GE_XBOARD );
7898 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7899 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7903 /* Now we test for 50-move draws. Determine ply count */
7904 count = forwardMostMove;
7905 /* look for last irreversble move */
7906 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7908 /* if we hit starting position, add initial plies */
7909 if( count == backwardMostMove )
7910 count -= initialRulePlies;
7911 count = forwardMostMove - count;
7912 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7913 // adjust reversible move counter for checks in Xiangqi
7914 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7915 if(i < backwardMostMove) i = backwardMostMove;
7916 while(i <= forwardMostMove) {
7917 lastCheck = inCheck; // check evasion does not count
7918 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7919 if(inCheck || lastCheck) count--; // check does not count
7924 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7925 /* this is used to judge if draw claims are legal */
7926 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7927 if(engineOpponent) {
7928 SendToProgram("force\n", engineOpponent); // suppress reply
7929 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7931 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7935 /* if draw offer is pending, treat it as a draw claim
7936 * when draw condition present, to allow engines a way to
7937 * claim draws before making their move to avoid a race
7938 * condition occurring after their move
7940 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7942 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7943 p = "Draw claim: 50-move rule";
7944 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7945 p = "Draw claim: 3-fold repetition";
7946 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7947 p = "Draw claim: insufficient mating material";
7948 if( p != NULL && canAdjudicate) {
7949 if(engineOpponent) {
7950 SendToProgram("force\n", engineOpponent); // suppress reply
7951 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7953 GameEnds( GameIsDrawn, p, GE_XBOARD );
7958 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7959 if(engineOpponent) {
7960 SendToProgram("force\n", engineOpponent); // suppress reply
7961 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7963 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7970 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7971 { // [HGM] book: this routine intercepts moves to simulate book replies
7972 char *bookHit = NULL;
7974 //first determine if the incoming move brings opponent into his book
7975 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7976 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7977 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7978 if(bookHit != NULL && !cps->bookSuspend) {
7979 // make sure opponent is not going to reply after receiving move to book position
7980 SendToProgram("force\n", cps);
7981 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7983 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7984 // now arrange restart after book miss
7986 // after a book hit we never send 'go', and the code after the call to this routine
7987 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7988 char buf[MSG_SIZ], *move = bookHit;
7990 int fromX, fromY, toX, toY;
7994 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7995 &fromX, &fromY, &toX, &toY, &promoChar)) {
7996 (void) CoordsToAlgebraic(boards[forwardMostMove],
7997 PosFlags(forwardMostMove),
7998 fromY, fromX, toY, toX, promoChar, move);
8000 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8004 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8005 SendToProgram(buf, cps);
8006 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8007 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8008 SendToProgram("go\n", cps);
8009 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8010 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8011 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8012 SendToProgram("go\n", cps);
8013 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8015 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8019 LoadError (char *errmess, ChessProgramState *cps)
8020 { // unloads engine and switches back to -ncp mode if it was first
8021 if(cps->initDone) return FALSE;
8022 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8023 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8026 appData.noChessProgram = TRUE;
8027 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8028 gameMode = BeginningOfGame; ModeHighlight();
8031 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8032 DisplayMessage("", ""); // erase waiting message
8033 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8038 ChessProgramState *savedState;
8040 DeferredBookMove (void)
8042 if(savedState->lastPing != savedState->lastPong)
8043 ScheduleDelayedEvent(DeferredBookMove, 10);
8045 HandleMachineMove(savedMessage, savedState);
8048 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8049 static ChessProgramState *stalledEngine;
8050 static char stashedInputMove[MSG_SIZ];
8053 HandleMachineMove (char *message, ChessProgramState *cps)
8055 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8056 char realname[MSG_SIZ];
8057 int fromX, fromY, toX, toY;
8061 int machineWhite, oldError;
8064 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8065 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8066 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8067 DisplayError(_("Invalid pairing from pairing engine"), 0);
8070 pairingReceived = 1;
8072 return; // Skim the pairing messages here.
8075 oldError = cps->userError; cps->userError = 0;
8077 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8079 * Kludge to ignore BEL characters
8081 while (*message == '\007') message++;
8084 * [HGM] engine debug message: ignore lines starting with '#' character
8086 if(cps->debug && *message == '#') return;
8089 * Look for book output
8091 if (cps == &first && bookRequested) {
8092 if (message[0] == '\t' || message[0] == ' ') {
8093 /* Part of the book output is here; append it */
8094 strcat(bookOutput, message);
8095 strcat(bookOutput, " \n");
8097 } else if (bookOutput[0] != NULLCHAR) {
8098 /* All of book output has arrived; display it */
8099 char *p = bookOutput;
8100 while (*p != NULLCHAR) {
8101 if (*p == '\t') *p = ' ';
8104 DisplayInformation(bookOutput);
8105 bookRequested = FALSE;
8106 /* Fall through to parse the current output */
8111 * Look for machine move.
8113 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8114 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8116 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8117 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8118 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8119 stalledEngine = cps;
8120 if(appData.ponderNextMove) { // bring opponent out of ponder
8121 if(gameMode == TwoMachinesPlay) {
8122 if(cps->other->pause)
8123 PauseEngine(cps->other);
8125 SendToProgram("easy\n", cps->other);
8132 /* This method is only useful on engines that support ping */
8133 if (cps->lastPing != cps->lastPong) {
8134 if (gameMode == BeginningOfGame) {
8135 /* Extra move from before last new; ignore */
8136 if (appData.debugMode) {
8137 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8140 if (appData.debugMode) {
8141 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8142 cps->which, gameMode);
8145 SendToProgram("undo\n", cps);
8151 case BeginningOfGame:
8152 /* Extra move from before last reset; ignore */
8153 if (appData.debugMode) {
8154 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8161 /* Extra move after we tried to stop. The mode test is
8162 not a reliable way of detecting this problem, but it's
8163 the best we can do on engines that don't support ping.
8165 if (appData.debugMode) {
8166 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8167 cps->which, gameMode);
8169 SendToProgram("undo\n", cps);
8172 case MachinePlaysWhite:
8173 case IcsPlayingWhite:
8174 machineWhite = TRUE;
8177 case MachinePlaysBlack:
8178 case IcsPlayingBlack:
8179 machineWhite = FALSE;
8182 case TwoMachinesPlay:
8183 machineWhite = (cps->twoMachinesColor[0] == 'w');
8186 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8187 if (appData.debugMode) {
8189 "Ignoring move out of turn by %s, gameMode %d"
8190 ", forwardMost %d\n",
8191 cps->which, gameMode, forwardMostMove);
8196 if(cps->alphaRank) AlphaRank(machineMove, 4);
8197 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8198 &fromX, &fromY, &toX, &toY, &promoChar)) {
8199 /* Machine move could not be parsed; ignore it. */
8200 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8201 machineMove, _(cps->which));
8202 DisplayError(buf1, 0);
8203 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8204 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8205 if (gameMode == TwoMachinesPlay) {
8206 GameEnds(machineWhite ? BlackWins : WhiteWins,
8212 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8213 /* So we have to redo legality test with true e.p. status here, */
8214 /* to make sure an illegal e.p. capture does not slip through, */
8215 /* to cause a forfeit on a justified illegal-move complaint */
8216 /* of the opponent. */
8217 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8219 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8220 fromY, fromX, toY, toX, promoChar);
8221 if(moveType == IllegalMove) {
8222 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8223 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8224 GameEnds(machineWhite ? BlackWins : WhiteWins,
8227 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8228 /* [HGM] Kludge to handle engines that send FRC-style castling
8229 when they shouldn't (like TSCP-Gothic) */
8231 case WhiteASideCastleFR:
8232 case BlackASideCastleFR:
8234 currentMoveString[2]++;
8236 case WhiteHSideCastleFR:
8237 case BlackHSideCastleFR:
8239 currentMoveString[2]--;
8241 default: ; // nothing to do, but suppresses warning of pedantic compilers
8244 hintRequested = FALSE;
8245 lastHint[0] = NULLCHAR;
8246 bookRequested = FALSE;
8247 /* Program may be pondering now */
8248 cps->maybeThinking = TRUE;
8249 if (cps->sendTime == 2) cps->sendTime = 1;
8250 if (cps->offeredDraw) cps->offeredDraw--;
8252 /* [AS] Save move info*/
8253 pvInfoList[ forwardMostMove ].score = programStats.score;
8254 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8255 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8257 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8259 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8260 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8263 while( count < adjudicateLossPlies ) {
8264 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8267 score = -score; /* Flip score for winning side */
8270 if( score > adjudicateLossThreshold ) {
8277 if( count >= adjudicateLossPlies ) {
8278 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8280 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8281 "Xboard adjudication",
8288 if(Adjudicate(cps)) {
8289 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8290 return; // [HGM] adjudicate: for all automatic game ends
8294 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8296 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8297 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8299 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8301 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8303 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8304 char buf[3*MSG_SIZ];
8306 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8307 programStats.score / 100.,
8309 programStats.time / 100.,
8310 (unsigned int)programStats.nodes,
8311 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8312 programStats.movelist);
8314 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8319 /* [AS] Clear stats for next move */
8320 ClearProgramStats();
8321 thinkOutput[0] = NULLCHAR;
8322 hiddenThinkOutputState = 0;
8325 if (gameMode == TwoMachinesPlay) {
8326 /* [HGM] relaying draw offers moved to after reception of move */
8327 /* and interpreting offer as claim if it brings draw condition */
8328 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8329 SendToProgram("draw\n", cps->other);
8331 if (cps->other->sendTime) {
8332 SendTimeRemaining(cps->other,
8333 cps->other->twoMachinesColor[0] == 'w');
8335 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8336 if (firstMove && !bookHit) {
8338 if (cps->other->useColors) {
8339 SendToProgram(cps->other->twoMachinesColor, cps->other);
8341 SendToProgram("go\n", cps->other);
8343 cps->other->maybeThinking = TRUE;
8346 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8348 if (!pausing && appData.ringBellAfterMoves) {
8353 * Reenable menu items that were disabled while
8354 * machine was thinking
8356 if (gameMode != TwoMachinesPlay)
8357 SetUserThinkingEnables();
8359 // [HGM] book: after book hit opponent has received move and is now in force mode
8360 // force the book reply into it, and then fake that it outputted this move by jumping
8361 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8363 static char bookMove[MSG_SIZ]; // a bit generous?
8365 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8366 strcat(bookMove, bookHit);
8369 programStats.nodes = programStats.depth = programStats.time =
8370 programStats.score = programStats.got_only_move = 0;
8371 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8373 if(cps->lastPing != cps->lastPong) {
8374 savedMessage = message; // args for deferred call
8376 ScheduleDelayedEvent(DeferredBookMove, 10);
8385 /* Set special modes for chess engines. Later something general
8386 * could be added here; for now there is just one kludge feature,
8387 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8388 * when "xboard" is given as an interactive command.
8390 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8391 cps->useSigint = FALSE;
8392 cps->useSigterm = FALSE;
8394 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8395 ParseFeatures(message+8, cps);
8396 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8399 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8400 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8401 int dummy, s=6; char buf[MSG_SIZ];
8402 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8403 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8404 if(startedFromSetupPosition) return;
8405 ParseFEN(boards[0], &dummy, message+s);
8406 DrawPosition(TRUE, boards[0]);
8407 startedFromSetupPosition = TRUE;
8410 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8411 * want this, I was asked to put it in, and obliged.
8413 if (!strncmp(message, "setboard ", 9)) {
8414 Board initial_position;
8416 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8418 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8419 DisplayError(_("Bad FEN received from engine"), 0);
8423 CopyBoard(boards[0], initial_position);
8424 initialRulePlies = FENrulePlies;
8425 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8426 else gameMode = MachinePlaysBlack;
8427 DrawPosition(FALSE, boards[currentMove]);
8433 * Look for communication commands
8435 if (!strncmp(message, "telluser ", 9)) {
8436 if(message[9] == '\\' && message[10] == '\\')
8437 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8439 DisplayNote(message + 9);
8442 if (!strncmp(message, "tellusererror ", 14)) {
8444 if(message[14] == '\\' && message[15] == '\\')
8445 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8447 DisplayError(message + 14, 0);
8450 if (!strncmp(message, "tellopponent ", 13)) {
8451 if (appData.icsActive) {
8453 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8457 DisplayNote(message + 13);
8461 if (!strncmp(message, "tellothers ", 11)) {
8462 if (appData.icsActive) {
8464 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8470 if (!strncmp(message, "tellall ", 8)) {
8471 if (appData.icsActive) {
8473 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8477 DisplayNote(message + 8);
8481 if (strncmp(message, "warning", 7) == 0) {
8482 /* Undocumented feature, use tellusererror in new code */
8483 DisplayError(message, 0);
8486 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8487 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8488 strcat(realname, " query");
8489 AskQuestion(realname, buf2, buf1, cps->pr);
8492 /* Commands from the engine directly to ICS. We don't allow these to be
8493 * sent until we are logged on. Crafty kibitzes have been known to
8494 * interfere with the login process.
8497 if (!strncmp(message, "tellics ", 8)) {
8498 SendToICS(message + 8);
8502 if (!strncmp(message, "tellicsnoalias ", 15)) {
8503 SendToICS(ics_prefix);
8504 SendToICS(message + 15);
8508 /* The following are for backward compatibility only */
8509 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8510 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8511 SendToICS(ics_prefix);
8517 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8521 * If the move is illegal, cancel it and redraw the board.
8522 * Also deal with other error cases. Matching is rather loose
8523 * here to accommodate engines written before the spec.
8525 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8526 strncmp(message, "Error", 5) == 0) {
8527 if (StrStr(message, "name") ||
8528 StrStr(message, "rating") || StrStr(message, "?") ||
8529 StrStr(message, "result") || StrStr(message, "board") ||
8530 StrStr(message, "bk") || StrStr(message, "computer") ||
8531 StrStr(message, "variant") || StrStr(message, "hint") ||
8532 StrStr(message, "random") || StrStr(message, "depth") ||
8533 StrStr(message, "accepted")) {
8536 if (StrStr(message, "protover")) {
8537 /* Program is responding to input, so it's apparently done
8538 initializing, and this error message indicates it is
8539 protocol version 1. So we don't need to wait any longer
8540 for it to initialize and send feature commands. */
8541 FeatureDone(cps, 1);
8542 cps->protocolVersion = 1;
8545 cps->maybeThinking = FALSE;
8547 if (StrStr(message, "draw")) {
8548 /* Program doesn't have "draw" command */
8549 cps->sendDrawOffers = 0;
8552 if (cps->sendTime != 1 &&
8553 (StrStr(message, "time") || StrStr(message, "otim"))) {
8554 /* Program apparently doesn't have "time" or "otim" command */
8558 if (StrStr(message, "analyze")) {
8559 cps->analysisSupport = FALSE;
8560 cps->analyzing = FALSE;
8561 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8562 EditGameEvent(); // [HGM] try to preserve loaded game
8563 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8564 DisplayError(buf2, 0);
8567 if (StrStr(message, "(no matching move)st")) {
8568 /* Special kludge for GNU Chess 4 only */
8569 cps->stKludge = TRUE;
8570 SendTimeControl(cps, movesPerSession, timeControl,
8571 timeIncrement, appData.searchDepth,
8575 if (StrStr(message, "(no matching move)sd")) {
8576 /* Special kludge for GNU Chess 4 only */
8577 cps->sdKludge = TRUE;
8578 SendTimeControl(cps, movesPerSession, timeControl,
8579 timeIncrement, appData.searchDepth,
8583 if (!StrStr(message, "llegal")) {
8586 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8587 gameMode == IcsIdle) return;
8588 if (forwardMostMove <= backwardMostMove) return;
8589 if (pausing) PauseEvent();
8590 if(appData.forceIllegal) {
8591 // [HGM] illegal: machine refused move; force position after move into it
8592 SendToProgram("force\n", cps);
8593 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8594 // we have a real problem now, as SendBoard will use the a2a3 kludge
8595 // when black is to move, while there might be nothing on a2 or black
8596 // might already have the move. So send the board as if white has the move.
8597 // But first we must change the stm of the engine, as it refused the last move
8598 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8599 if(WhiteOnMove(forwardMostMove)) {
8600 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8601 SendBoard(cps, forwardMostMove); // kludgeless board
8603 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8604 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8605 SendBoard(cps, forwardMostMove+1); // kludgeless board
8607 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8608 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8609 gameMode == TwoMachinesPlay)
8610 SendToProgram("go\n", cps);
8613 if (gameMode == PlayFromGameFile) {
8614 /* Stop reading this game file */
8615 gameMode = EditGame;
8618 /* [HGM] illegal-move claim should forfeit game when Xboard */
8619 /* only passes fully legal moves */
8620 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8621 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8622 "False illegal-move claim", GE_XBOARD );
8623 return; // do not take back move we tested as valid
8625 currentMove = forwardMostMove-1;
8626 DisplayMove(currentMove-1); /* before DisplayMoveError */
8627 SwitchClocks(forwardMostMove-1); // [HGM] race
8628 DisplayBothClocks();
8629 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8630 parseList[currentMove], _(cps->which));
8631 DisplayMoveError(buf1);
8632 DrawPosition(FALSE, boards[currentMove]);
8634 SetUserThinkingEnables();
8637 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8638 /* Program has a broken "time" command that
8639 outputs a string not ending in newline.
8645 * If chess program startup fails, exit with an error message.
8646 * Attempts to recover here are futile. [HGM] Well, we try anyway
8648 if ((StrStr(message, "unknown host") != NULL)
8649 || (StrStr(message, "No remote directory") != NULL)
8650 || (StrStr(message, "not found") != NULL)
8651 || (StrStr(message, "No such file") != NULL)
8652 || (StrStr(message, "can't alloc") != NULL)
8653 || (StrStr(message, "Permission denied") != NULL)) {
8655 cps->maybeThinking = FALSE;
8656 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8657 _(cps->which), cps->program, cps->host, message);
8658 RemoveInputSource(cps->isr);
8659 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8660 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8661 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8667 * Look for hint output
8669 if (sscanf(message, "Hint: %s", buf1) == 1) {
8670 if (cps == &first && hintRequested) {
8671 hintRequested = FALSE;
8672 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8673 &fromX, &fromY, &toX, &toY, &promoChar)) {
8674 (void) CoordsToAlgebraic(boards[forwardMostMove],
8675 PosFlags(forwardMostMove),
8676 fromY, fromX, toY, toX, promoChar, buf1);
8677 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8678 DisplayInformation(buf2);
8680 /* Hint move could not be parsed!? */
8681 snprintf(buf2, sizeof(buf2),
8682 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8683 buf1, _(cps->which));
8684 DisplayError(buf2, 0);
8687 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8693 * Ignore other messages if game is not in progress
8695 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8696 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8699 * look for win, lose, draw, or draw offer
8701 if (strncmp(message, "1-0", 3) == 0) {
8702 char *p, *q, *r = "";
8703 p = strchr(message, '{');
8711 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8713 } else if (strncmp(message, "0-1", 3) == 0) {
8714 char *p, *q, *r = "";
8715 p = strchr(message, '{');
8723 /* Kludge for Arasan 4.1 bug */
8724 if (strcmp(r, "Black resigns") == 0) {
8725 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8728 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8730 } else if (strncmp(message, "1/2", 3) == 0) {
8731 char *p, *q, *r = "";
8732 p = strchr(message, '{');
8741 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8744 } else if (strncmp(message, "White resign", 12) == 0) {
8745 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8747 } else if (strncmp(message, "Black resign", 12) == 0) {
8748 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8750 } else if (strncmp(message, "White matches", 13) == 0 ||
8751 strncmp(message, "Black matches", 13) == 0 ) {
8752 /* [HGM] ignore GNUShogi noises */
8754 } else if (strncmp(message, "White", 5) == 0 &&
8755 message[5] != '(' &&
8756 StrStr(message, "Black") == NULL) {
8757 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8759 } else if (strncmp(message, "Black", 5) == 0 &&
8760 message[5] != '(') {
8761 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8763 } else if (strcmp(message, "resign") == 0 ||
8764 strcmp(message, "computer resigns") == 0) {
8766 case MachinePlaysBlack:
8767 case IcsPlayingBlack:
8768 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8770 case MachinePlaysWhite:
8771 case IcsPlayingWhite:
8772 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8774 case TwoMachinesPlay:
8775 if (cps->twoMachinesColor[0] == 'w')
8776 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8778 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8785 } else if (strncmp(message, "opponent mates", 14) == 0) {
8787 case MachinePlaysBlack:
8788 case IcsPlayingBlack:
8789 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8791 case MachinePlaysWhite:
8792 case IcsPlayingWhite:
8793 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8795 case TwoMachinesPlay:
8796 if (cps->twoMachinesColor[0] == 'w')
8797 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8799 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8806 } else if (strncmp(message, "computer mates", 14) == 0) {
8808 case MachinePlaysBlack:
8809 case IcsPlayingBlack:
8810 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8812 case MachinePlaysWhite:
8813 case IcsPlayingWhite:
8814 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8816 case TwoMachinesPlay:
8817 if (cps->twoMachinesColor[0] == 'w')
8818 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8820 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8827 } else if (strncmp(message, "checkmate", 9) == 0) {
8828 if (WhiteOnMove(forwardMostMove)) {
8829 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8831 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8834 } else if (strstr(message, "Draw") != NULL ||
8835 strstr(message, "game is a draw") != NULL) {
8836 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8838 } else if (strstr(message, "offer") != NULL &&
8839 strstr(message, "draw") != NULL) {
8841 if (appData.zippyPlay && first.initDone) {
8842 /* Relay offer to ICS */
8843 SendToICS(ics_prefix);
8844 SendToICS("draw\n");
8847 cps->offeredDraw = 2; /* valid until this engine moves twice */
8848 if (gameMode == TwoMachinesPlay) {
8849 if (cps->other->offeredDraw) {
8850 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8851 /* [HGM] in two-machine mode we delay relaying draw offer */
8852 /* until after we also have move, to see if it is really claim */
8854 } else if (gameMode == MachinePlaysWhite ||
8855 gameMode == MachinePlaysBlack) {
8856 if (userOfferedDraw) {
8857 DisplayInformation(_("Machine accepts your draw offer"));
8858 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8860 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8867 * Look for thinking output
8869 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8870 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8872 int plylev, mvleft, mvtot, curscore, time;
8873 char mvname[MOVE_LEN];
8877 int prefixHint = FALSE;
8878 mvname[0] = NULLCHAR;
8881 case MachinePlaysBlack:
8882 case IcsPlayingBlack:
8883 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8885 case MachinePlaysWhite:
8886 case IcsPlayingWhite:
8887 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8892 case IcsObserving: /* [DM] icsEngineAnalyze */
8893 if (!appData.icsEngineAnalyze) ignore = TRUE;
8895 case TwoMachinesPlay:
8896 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8906 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8908 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8909 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8911 if (plyext != ' ' && plyext != '\t') {
8915 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8916 if( cps->scoreIsAbsolute &&
8917 ( gameMode == MachinePlaysBlack ||
8918 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8919 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8920 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8921 !WhiteOnMove(currentMove)
8924 curscore = -curscore;
8927 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8929 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8932 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8933 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8934 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8935 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8936 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8937 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8939 } else DisplayError(_("failed writing PV"), 0);
8942 tempStats.depth = plylev;
8943 tempStats.nodes = nodes;
8944 tempStats.time = time;
8945 tempStats.score = curscore;
8946 tempStats.got_only_move = 0;
8948 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8951 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8952 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8953 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8954 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8955 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8956 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8957 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8958 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8961 /* Buffer overflow protection */
8962 if (pv[0] != NULLCHAR) {
8963 if (strlen(pv) >= sizeof(tempStats.movelist)
8964 && appData.debugMode) {
8966 "PV is too long; using the first %u bytes.\n",
8967 (unsigned) sizeof(tempStats.movelist) - 1);
8970 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8972 sprintf(tempStats.movelist, " no PV\n");
8975 if (tempStats.seen_stat) {
8976 tempStats.ok_to_send = 1;
8979 if (strchr(tempStats.movelist, '(') != NULL) {
8980 tempStats.line_is_book = 1;
8981 tempStats.nr_moves = 0;
8982 tempStats.moves_left = 0;
8984 tempStats.line_is_book = 0;
8987 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8988 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8990 SendProgramStatsToFrontend( cps, &tempStats );
8993 [AS] Protect the thinkOutput buffer from overflow... this
8994 is only useful if buf1 hasn't overflowed first!
8996 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8998 (gameMode == TwoMachinesPlay ?
8999 ToUpper(cps->twoMachinesColor[0]) : ' '),
9000 ((double) curscore) / 100.0,
9001 prefixHint ? lastHint : "",
9002 prefixHint ? " " : "" );
9004 if( buf1[0] != NULLCHAR ) {
9005 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9007 if( strlen(pv) > max_len ) {
9008 if( appData.debugMode) {
9009 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9011 pv[max_len+1] = '\0';
9014 strcat( thinkOutput, pv);
9017 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9018 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9019 DisplayMove(currentMove - 1);
9023 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9024 /* crafty (9.25+) says "(only move) <move>"
9025 * if there is only 1 legal move
9027 sscanf(p, "(only move) %s", buf1);
9028 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9029 sprintf(programStats.movelist, "%s (only move)", buf1);
9030 programStats.depth = 1;
9031 programStats.nr_moves = 1;
9032 programStats.moves_left = 1;
9033 programStats.nodes = 1;
9034 programStats.time = 1;
9035 programStats.got_only_move = 1;
9037 /* Not really, but we also use this member to
9038 mean "line isn't going to change" (Crafty
9039 isn't searching, so stats won't change) */
9040 programStats.line_is_book = 1;
9042 SendProgramStatsToFrontend( cps, &programStats );
9044 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9045 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9046 DisplayMove(currentMove - 1);
9049 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9050 &time, &nodes, &plylev, &mvleft,
9051 &mvtot, mvname) >= 5) {
9052 /* The stat01: line is from Crafty (9.29+) in response
9053 to the "." command */
9054 programStats.seen_stat = 1;
9055 cps->maybeThinking = TRUE;
9057 if (programStats.got_only_move || !appData.periodicUpdates)
9060 programStats.depth = plylev;
9061 programStats.time = time;
9062 programStats.nodes = nodes;
9063 programStats.moves_left = mvleft;
9064 programStats.nr_moves = mvtot;
9065 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9066 programStats.ok_to_send = 1;
9067 programStats.movelist[0] = '\0';
9069 SendProgramStatsToFrontend( cps, &programStats );
9073 } else if (strncmp(message,"++",2) == 0) {
9074 /* Crafty 9.29+ outputs this */
9075 programStats.got_fail = 2;
9078 } else if (strncmp(message,"--",2) == 0) {
9079 /* Crafty 9.29+ outputs this */
9080 programStats.got_fail = 1;
9083 } else if (thinkOutput[0] != NULLCHAR &&
9084 strncmp(message, " ", 4) == 0) {
9085 unsigned message_len;
9088 while (*p && *p == ' ') p++;
9090 message_len = strlen( p );
9092 /* [AS] Avoid buffer overflow */
9093 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9094 strcat(thinkOutput, " ");
9095 strcat(thinkOutput, p);
9098 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9099 strcat(programStats.movelist, " ");
9100 strcat(programStats.movelist, p);
9103 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9104 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9105 DisplayMove(currentMove - 1);
9113 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9114 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9116 ChessProgramStats cpstats;
9118 if (plyext != ' ' && plyext != '\t') {
9122 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9123 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9124 curscore = -curscore;
9127 cpstats.depth = plylev;
9128 cpstats.nodes = nodes;
9129 cpstats.time = time;
9130 cpstats.score = curscore;
9131 cpstats.got_only_move = 0;
9132 cpstats.movelist[0] = '\0';
9134 if (buf1[0] != NULLCHAR) {
9135 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9138 cpstats.ok_to_send = 0;
9139 cpstats.line_is_book = 0;
9140 cpstats.nr_moves = 0;
9141 cpstats.moves_left = 0;
9143 SendProgramStatsToFrontend( cps, &cpstats );
9150 /* Parse a game score from the character string "game", and
9151 record it as the history of the current game. The game
9152 score is NOT assumed to start from the standard position.
9153 The display is not updated in any way.
9156 ParseGameHistory (char *game)
9159 int fromX, fromY, toX, toY, boardIndex;
9164 if (appData.debugMode)
9165 fprintf(debugFP, "Parsing game history: %s\n", game);
9167 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9168 gameInfo.site = StrSave(appData.icsHost);
9169 gameInfo.date = PGNDate();
9170 gameInfo.round = StrSave("-");
9172 /* Parse out names of players */
9173 while (*game == ' ') game++;
9175 while (*game != ' ') *p++ = *game++;
9177 gameInfo.white = StrSave(buf);
9178 while (*game == ' ') game++;
9180 while (*game != ' ' && *game != '\n') *p++ = *game++;
9182 gameInfo.black = StrSave(buf);
9185 boardIndex = blackPlaysFirst ? 1 : 0;
9188 yyboardindex = boardIndex;
9189 moveType = (ChessMove) Myylex();
9191 case IllegalMove: /* maybe suicide chess, etc. */
9192 if (appData.debugMode) {
9193 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9194 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9195 setbuf(debugFP, NULL);
9197 case WhitePromotion:
9198 case BlackPromotion:
9199 case WhiteNonPromotion:
9200 case BlackNonPromotion:
9202 case WhiteCapturesEnPassant:
9203 case BlackCapturesEnPassant:
9204 case WhiteKingSideCastle:
9205 case WhiteQueenSideCastle:
9206 case BlackKingSideCastle:
9207 case BlackQueenSideCastle:
9208 case WhiteKingSideCastleWild:
9209 case WhiteQueenSideCastleWild:
9210 case BlackKingSideCastleWild:
9211 case BlackQueenSideCastleWild:
9213 case WhiteHSideCastleFR:
9214 case WhiteASideCastleFR:
9215 case BlackHSideCastleFR:
9216 case BlackASideCastleFR:
9218 fromX = currentMoveString[0] - AAA;
9219 fromY = currentMoveString[1] - ONE;
9220 toX = currentMoveString[2] - AAA;
9221 toY = currentMoveString[3] - ONE;
9222 promoChar = currentMoveString[4];
9226 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9227 fromX = moveType == WhiteDrop ?
9228 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9229 (int) CharToPiece(ToLower(currentMoveString[0]));
9231 toX = currentMoveString[2] - AAA;
9232 toY = currentMoveString[3] - ONE;
9233 promoChar = NULLCHAR;
9237 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9238 if (appData.debugMode) {
9239 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9240 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9241 setbuf(debugFP, NULL);
9243 DisplayError(buf, 0);
9245 case ImpossibleMove:
9247 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9248 if (appData.debugMode) {
9249 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9250 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9251 setbuf(debugFP, NULL);
9253 DisplayError(buf, 0);
9256 if (boardIndex < backwardMostMove) {
9257 /* Oops, gap. How did that happen? */
9258 DisplayError(_("Gap in move list"), 0);
9261 backwardMostMove = blackPlaysFirst ? 1 : 0;
9262 if (boardIndex > forwardMostMove) {
9263 forwardMostMove = boardIndex;
9267 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9268 strcat(parseList[boardIndex-1], " ");
9269 strcat(parseList[boardIndex-1], yy_text);
9281 case GameUnfinished:
9282 if (gameMode == IcsExamining) {
9283 if (boardIndex < backwardMostMove) {
9284 /* Oops, gap. How did that happen? */
9287 backwardMostMove = blackPlaysFirst ? 1 : 0;
9290 gameInfo.result = moveType;
9291 p = strchr(yy_text, '{');
9292 if (p == NULL) p = strchr(yy_text, '(');
9295 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9297 q = strchr(p, *p == '{' ? '}' : ')');
9298 if (q != NULL) *q = NULLCHAR;
9301 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9302 gameInfo.resultDetails = StrSave(p);
9305 if (boardIndex >= forwardMostMove &&
9306 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9307 backwardMostMove = blackPlaysFirst ? 1 : 0;
9310 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9311 fromY, fromX, toY, toX, promoChar,
9312 parseList[boardIndex]);
9313 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9314 /* currentMoveString is set as a side-effect of yylex */
9315 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9316 strcat(moveList[boardIndex], "\n");
9318 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9319 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9325 if(gameInfo.variant != VariantShogi)
9326 strcat(parseList[boardIndex - 1], "+");
9330 strcat(parseList[boardIndex - 1], "#");
9337 /* Apply a move to the given board */
9339 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9341 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9342 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9344 /* [HGM] compute & store e.p. status and castling rights for new position */
9345 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9347 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9348 oldEP = (signed char)board[EP_STATUS];
9349 board[EP_STATUS] = EP_NONE;
9351 if (fromY == DROP_RANK) {
9353 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9354 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9357 piece = board[toY][toX] = (ChessSquare) fromX;
9361 if( board[toY][toX] != EmptySquare )
9362 board[EP_STATUS] = EP_CAPTURE;
9364 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9365 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9366 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9368 if( board[fromY][fromX] == WhitePawn ) {
9369 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9370 board[EP_STATUS] = EP_PAWN_MOVE;
9372 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9373 gameInfo.variant != VariantBerolina || toX < fromX)
9374 board[EP_STATUS] = toX | berolina;
9375 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9376 gameInfo.variant != VariantBerolina || toX > fromX)
9377 board[EP_STATUS] = toX;
9380 if( board[fromY][fromX] == BlackPawn ) {
9381 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9382 board[EP_STATUS] = EP_PAWN_MOVE;
9383 if( toY-fromY== -2) {
9384 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9385 gameInfo.variant != VariantBerolina || toX < fromX)
9386 board[EP_STATUS] = toX | berolina;
9387 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9388 gameInfo.variant != VariantBerolina || toX > fromX)
9389 board[EP_STATUS] = toX;
9393 for(i=0; i<nrCastlingRights; i++) {
9394 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9395 board[CASTLING][i] == toX && castlingRank[i] == toY
9396 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9399 if(gameInfo.variant == VariantSChess) { // update virginity
9400 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9401 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9402 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9403 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9406 if (fromX == toX && fromY == toY) return;
9408 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9409 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9410 if(gameInfo.variant == VariantKnightmate)
9411 king += (int) WhiteUnicorn - (int) WhiteKing;
9413 /* Code added by Tord: */
9414 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9415 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9416 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9417 board[fromY][fromX] = EmptySquare;
9418 board[toY][toX] = EmptySquare;
9419 if((toX > fromX) != (piece == WhiteRook)) {
9420 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9422 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9424 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9425 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9426 board[fromY][fromX] = EmptySquare;
9427 board[toY][toX] = EmptySquare;
9428 if((toX > fromX) != (piece == BlackRook)) {
9429 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9431 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9433 /* End of code added by Tord */
9435 } else if (board[fromY][fromX] == king
9436 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9437 && toY == fromY && toX > fromX+1) {
9438 board[fromY][fromX] = EmptySquare;
9439 board[toY][toX] = king;
9440 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9441 board[fromY][BOARD_RGHT-1] = EmptySquare;
9442 } else if (board[fromY][fromX] == king
9443 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9444 && toY == fromY && toX < fromX-1) {
9445 board[fromY][fromX] = EmptySquare;
9446 board[toY][toX] = king;
9447 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9448 board[fromY][BOARD_LEFT] = EmptySquare;
9449 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9450 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9451 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9453 /* white pawn promotion */
9454 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9455 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9456 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9457 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9458 board[fromY][fromX] = EmptySquare;
9459 } else if ((fromY >= BOARD_HEIGHT>>1)
9461 && gameInfo.variant != VariantXiangqi
9462 && gameInfo.variant != VariantBerolina
9463 && (board[fromY][fromX] == WhitePawn)
9464 && (board[toY][toX] == EmptySquare)) {
9465 board[fromY][fromX] = EmptySquare;
9466 board[toY][toX] = WhitePawn;
9467 captured = board[toY - 1][toX];
9468 board[toY - 1][toX] = EmptySquare;
9469 } else if ((fromY == BOARD_HEIGHT-4)
9471 && gameInfo.variant == VariantBerolina
9472 && (board[fromY][fromX] == WhitePawn)
9473 && (board[toY][toX] == EmptySquare)) {
9474 board[fromY][fromX] = EmptySquare;
9475 board[toY][toX] = WhitePawn;
9476 if(oldEP & EP_BEROLIN_A) {
9477 captured = board[fromY][fromX-1];
9478 board[fromY][fromX-1] = EmptySquare;
9479 }else{ captured = board[fromY][fromX+1];
9480 board[fromY][fromX+1] = EmptySquare;
9482 } else if (board[fromY][fromX] == king
9483 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9484 && toY == fromY && toX > fromX+1) {
9485 board[fromY][fromX] = EmptySquare;
9486 board[toY][toX] = king;
9487 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9488 board[fromY][BOARD_RGHT-1] = EmptySquare;
9489 } else if (board[fromY][fromX] == king
9490 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9491 && toY == fromY && toX < fromX-1) {
9492 board[fromY][fromX] = EmptySquare;
9493 board[toY][toX] = king;
9494 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9495 board[fromY][BOARD_LEFT] = EmptySquare;
9496 } else if (fromY == 7 && fromX == 3
9497 && board[fromY][fromX] == BlackKing
9498 && toY == 7 && toX == 5) {
9499 board[fromY][fromX] = EmptySquare;
9500 board[toY][toX] = BlackKing;
9501 board[fromY][7] = EmptySquare;
9502 board[toY][4] = BlackRook;
9503 } else if (fromY == 7 && fromX == 3
9504 && board[fromY][fromX] == BlackKing
9505 && toY == 7 && toX == 1) {
9506 board[fromY][fromX] = EmptySquare;
9507 board[toY][toX] = BlackKing;
9508 board[fromY][0] = EmptySquare;
9509 board[toY][2] = BlackRook;
9510 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9511 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9512 && toY < promoRank && promoChar
9514 /* black pawn promotion */
9515 board[toY][toX] = CharToPiece(ToLower(promoChar));
9516 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9517 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9518 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9519 board[fromY][fromX] = EmptySquare;
9520 } else if ((fromY < BOARD_HEIGHT>>1)
9522 && gameInfo.variant != VariantXiangqi
9523 && gameInfo.variant != VariantBerolina
9524 && (board[fromY][fromX] == BlackPawn)
9525 && (board[toY][toX] == EmptySquare)) {
9526 board[fromY][fromX] = EmptySquare;
9527 board[toY][toX] = BlackPawn;
9528 captured = board[toY + 1][toX];
9529 board[toY + 1][toX] = EmptySquare;
9530 } else if ((fromY == 3)
9532 && gameInfo.variant == VariantBerolina
9533 && (board[fromY][fromX] == BlackPawn)
9534 && (board[toY][toX] == EmptySquare)) {
9535 board[fromY][fromX] = EmptySquare;
9536 board[toY][toX] = BlackPawn;
9537 if(oldEP & EP_BEROLIN_A) {
9538 captured = board[fromY][fromX-1];
9539 board[fromY][fromX-1] = EmptySquare;
9540 }else{ captured = board[fromY][fromX+1];
9541 board[fromY][fromX+1] = EmptySquare;
9544 board[toY][toX] = board[fromY][fromX];
9545 board[fromY][fromX] = EmptySquare;
9549 if (gameInfo.holdingsWidth != 0) {
9551 /* !!A lot more code needs to be written to support holdings */
9552 /* [HGM] OK, so I have written it. Holdings are stored in the */
9553 /* penultimate board files, so they are automaticlly stored */
9554 /* in the game history. */
9555 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9556 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9557 /* Delete from holdings, by decreasing count */
9558 /* and erasing image if necessary */
9559 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9560 if(p < (int) BlackPawn) { /* white drop */
9561 p -= (int)WhitePawn;
9562 p = PieceToNumber((ChessSquare)p);
9563 if(p >= gameInfo.holdingsSize) p = 0;
9564 if(--board[p][BOARD_WIDTH-2] <= 0)
9565 board[p][BOARD_WIDTH-1] = EmptySquare;
9566 if((int)board[p][BOARD_WIDTH-2] < 0)
9567 board[p][BOARD_WIDTH-2] = 0;
9568 } else { /* black drop */
9569 p -= (int)BlackPawn;
9570 p = PieceToNumber((ChessSquare)p);
9571 if(p >= gameInfo.holdingsSize) p = 0;
9572 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9573 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9574 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9575 board[BOARD_HEIGHT-1-p][1] = 0;
9578 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9579 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9580 /* [HGM] holdings: Add to holdings, if holdings exist */
9581 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9582 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9583 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9586 if (p >= (int) BlackPawn) {
9587 p -= (int)BlackPawn;
9588 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9589 /* in Shogi restore piece to its original first */
9590 captured = (ChessSquare) (DEMOTED captured);
9593 p = PieceToNumber((ChessSquare)p);
9594 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9595 board[p][BOARD_WIDTH-2]++;
9596 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9598 p -= (int)WhitePawn;
9599 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9600 captured = (ChessSquare) (DEMOTED captured);
9603 p = PieceToNumber((ChessSquare)p);
9604 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9605 board[BOARD_HEIGHT-1-p][1]++;
9606 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9609 } else if (gameInfo.variant == VariantAtomic) {
9610 if (captured != EmptySquare) {
9612 for (y = toY-1; y <= toY+1; y++) {
9613 for (x = toX-1; x <= toX+1; x++) {
9614 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9615 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9616 board[y][x] = EmptySquare;
9620 board[toY][toX] = EmptySquare;
9623 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9624 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9626 if(promoChar == '+') {
9627 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9628 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9629 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9630 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9631 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9632 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9633 board[toY][toX] = newPiece;
9635 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9636 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9637 // [HGM] superchess: take promotion piece out of holdings
9638 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9639 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9640 if(!--board[k][BOARD_WIDTH-2])
9641 board[k][BOARD_WIDTH-1] = EmptySquare;
9643 if(!--board[BOARD_HEIGHT-1-k][1])
9644 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9650 /* Updates forwardMostMove */
9652 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9654 // forwardMostMove++; // [HGM] bare: moved downstream
9656 (void) CoordsToAlgebraic(boards[forwardMostMove],
9657 PosFlags(forwardMostMove),
9658 fromY, fromX, toY, toX, promoChar,
9659 parseList[forwardMostMove]);
9661 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9662 int timeLeft; static int lastLoadFlag=0; int king, piece;
9663 piece = boards[forwardMostMove][fromY][fromX];
9664 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9665 if(gameInfo.variant == VariantKnightmate)
9666 king += (int) WhiteUnicorn - (int) WhiteKing;
9667 if(forwardMostMove == 0) {
9668 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9669 fprintf(serverMoves, "%s;", UserName());
9670 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9671 fprintf(serverMoves, "%s;", second.tidy);
9672 fprintf(serverMoves, "%s;", first.tidy);
9673 if(gameMode == MachinePlaysWhite)
9674 fprintf(serverMoves, "%s;", UserName());
9675 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9676 fprintf(serverMoves, "%s;", second.tidy);
9677 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9678 lastLoadFlag = loadFlag;
9680 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9681 // print castling suffix
9682 if( toY == fromY && piece == king ) {
9684 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9686 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9689 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9690 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9691 boards[forwardMostMove][toY][toX] == EmptySquare
9692 && fromX != toX && fromY != toY)
9693 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9695 if(promoChar != NULLCHAR) {
9696 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9697 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9698 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9699 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9702 char buf[MOVE_LEN*2], *p; int len;
9703 fprintf(serverMoves, "/%d/%d",
9704 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9705 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9706 else timeLeft = blackTimeRemaining/1000;
9707 fprintf(serverMoves, "/%d", timeLeft);
9708 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9709 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9710 if(p = strchr(buf, '=')) *p = NULLCHAR;
9711 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9712 fprintf(serverMoves, "/%s", buf);
9714 fflush(serverMoves);
9717 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9718 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9721 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9722 if (commentList[forwardMostMove+1] != NULL) {
9723 free(commentList[forwardMostMove+1]);
9724 commentList[forwardMostMove+1] = NULL;
9726 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9727 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9728 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9729 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9730 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9731 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9732 adjustedClock = FALSE;
9733 gameInfo.result = GameUnfinished;
9734 if (gameInfo.resultDetails != NULL) {
9735 free(gameInfo.resultDetails);
9736 gameInfo.resultDetails = NULL;
9738 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9739 moveList[forwardMostMove - 1]);
9740 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9746 if(gameInfo.variant != VariantShogi)
9747 strcat(parseList[forwardMostMove - 1], "+");
9751 strcat(parseList[forwardMostMove - 1], "#");
9757 /* Updates currentMove if not pausing */
9759 ShowMove (int fromX, int fromY, int toX, int toY)
9761 int instant = (gameMode == PlayFromGameFile) ?
9762 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9763 if(appData.noGUI) return;
9764 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9766 if (forwardMostMove == currentMove + 1) {
9767 AnimateMove(boards[forwardMostMove - 1],
9768 fromX, fromY, toX, toY);
9771 currentMove = forwardMostMove;
9774 if (instant) return;
9776 DisplayMove(currentMove - 1);
9777 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9778 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9779 SetHighlights(fromX, fromY, toX, toY);
9782 DrawPosition(FALSE, boards[currentMove]);
9783 DisplayBothClocks();
9784 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9788 SendEgtPath (ChessProgramState *cps)
9789 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9790 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9792 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9795 char c, *q = name+1, *r, *s;
9797 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9798 while(*p && *p != ',') *q++ = *p++;
9800 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9801 strcmp(name, ",nalimov:") == 0 ) {
9802 // take nalimov path from the menu-changeable option first, if it is defined
9803 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9804 SendToProgram(buf,cps); // send egtbpath command for nalimov
9806 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9807 (s = StrStr(appData.egtFormats, name)) != NULL) {
9808 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9809 s = r = StrStr(s, ":") + 1; // beginning of path info
9810 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9811 c = *r; *r = 0; // temporarily null-terminate path info
9812 *--q = 0; // strip of trailig ':' from name
9813 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9815 SendToProgram(buf,cps); // send egtbpath command for this format
9817 if(*p == ',') p++; // read away comma to position for next format name
9822 InitChessProgram (ChessProgramState *cps, int setup)
9823 /* setup needed to setup FRC opening position */
9825 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9826 if (appData.noChessProgram) return;
9827 hintRequested = FALSE;
9828 bookRequested = FALSE;
9830 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9831 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9832 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9833 if(cps->memSize) { /* [HGM] memory */
9834 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9835 SendToProgram(buf, cps);
9837 SendEgtPath(cps); /* [HGM] EGT */
9838 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9839 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9840 SendToProgram(buf, cps);
9843 SendToProgram(cps->initString, cps);
9844 if (gameInfo.variant != VariantNormal &&
9845 gameInfo.variant != VariantLoadable
9846 /* [HGM] also send variant if board size non-standard */
9847 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9849 char *v = VariantName(gameInfo.variant);
9850 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9851 /* [HGM] in protocol 1 we have to assume all variants valid */
9852 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9853 DisplayFatalError(buf, 0, 1);
9857 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9858 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9859 if( gameInfo.variant == VariantXiangqi )
9860 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9861 if( gameInfo.variant == VariantShogi )
9862 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9863 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9864 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9865 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9866 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9867 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9868 if( gameInfo.variant == VariantCourier )
9869 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9870 if( gameInfo.variant == VariantSuper )
9871 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9872 if( gameInfo.variant == VariantGreat )
9873 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9874 if( gameInfo.variant == VariantSChess )
9875 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9876 if( gameInfo.variant == VariantGrand )
9877 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9880 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9881 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9882 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9883 if(StrStr(cps->variants, b) == NULL) {
9884 // specific sized variant not known, check if general sizing allowed
9885 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9886 if(StrStr(cps->variants, "boardsize") == NULL) {
9887 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9888 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9889 DisplayFatalError(buf, 0, 1);
9892 /* [HGM] here we really should compare with the maximum supported board size */
9895 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9896 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9897 SendToProgram(buf, cps);
9899 currentlyInitializedVariant = gameInfo.variant;
9901 /* [HGM] send opening position in FRC to first engine */
9903 SendToProgram("force\n", cps);
9905 /* engine is now in force mode! Set flag to wake it up after first move. */
9906 setboardSpoiledMachineBlack = 1;
9910 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9911 SendToProgram(buf, cps);
9913 cps->maybeThinking = FALSE;
9914 cps->offeredDraw = 0;
9915 if (!appData.icsActive) {
9916 SendTimeControl(cps, movesPerSession, timeControl,
9917 timeIncrement, appData.searchDepth,
9920 if (appData.showThinking
9921 // [HGM] thinking: four options require thinking output to be sent
9922 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9924 SendToProgram("post\n", cps);
9926 SendToProgram("hard\n", cps);
9927 if (!appData.ponderNextMove) {
9928 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9929 it without being sure what state we are in first. "hard"
9930 is not a toggle, so that one is OK.
9932 SendToProgram("easy\n", cps);
9935 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9936 SendToProgram(buf, cps);
9938 cps->initDone = TRUE;
9939 ClearEngineOutputPane(cps == &second);
9944 StartChessProgram (ChessProgramState *cps)
9949 if (appData.noChessProgram) return;
9950 cps->initDone = FALSE;
9952 if (strcmp(cps->host, "localhost") == 0) {
9953 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9954 } else if (*appData.remoteShell == NULLCHAR) {
9955 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9957 if (*appData.remoteUser == NULLCHAR) {
9958 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9961 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9962 cps->host, appData.remoteUser, cps->program);
9964 err = StartChildProcess(buf, "", &cps->pr);
9968 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9969 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9970 if(cps != &first) return;
9971 appData.noChessProgram = TRUE;
9974 // DisplayFatalError(buf, err, 1);
9975 // cps->pr = NoProc;
9980 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9981 if (cps->protocolVersion > 1) {
9982 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9983 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9984 cps->comboCnt = 0; // and values of combo boxes
9985 SendToProgram(buf, cps);
9987 SendToProgram("xboard\n", cps);
9992 TwoMachinesEventIfReady P((void))
9994 static int curMess = 0;
9995 if (first.lastPing != first.lastPong) {
9996 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9997 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10000 if (second.lastPing != second.lastPong) {
10001 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10002 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10005 DisplayMessage("", ""); curMess = 0;
10007 TwoMachinesEvent();
10011 MakeName (char *template)
10015 static char buf[MSG_SIZ];
10019 clock = time((time_t *)NULL);
10020 tm = localtime(&clock);
10022 while(*p++ = *template++) if(p[-1] == '%') {
10023 switch(*template++) {
10024 case 0: *p = 0; return buf;
10025 case 'Y': i = tm->tm_year+1900; break;
10026 case 'y': i = tm->tm_year-100; break;
10027 case 'M': i = tm->tm_mon+1; break;
10028 case 'd': i = tm->tm_mday; break;
10029 case 'h': i = tm->tm_hour; break;
10030 case 'm': i = tm->tm_min; break;
10031 case 's': i = tm->tm_sec; break;
10034 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10040 CountPlayers (char *p)
10043 while(p = strchr(p, '\n')) p++, n++; // count participants
10048 WriteTourneyFile (char *results, FILE *f)
10049 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10050 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10051 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10052 // create a file with tournament description
10053 fprintf(f, "-participants {%s}\n", appData.participants);
10054 fprintf(f, "-seedBase %d\n", appData.seedBase);
10055 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10056 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10057 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10058 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10059 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10060 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10061 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10062 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10063 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10064 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10065 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10066 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10067 fprintf(f, "-polyglotBook %s\n", appData.polyglotBook);
10068 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10069 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10070 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10071 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10072 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10073 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10074 fprintf(f, "-smpCores %d\n", appData.smpCores);
10076 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10078 fprintf(f, "-mps %d\n", appData.movesPerSession);
10079 fprintf(f, "-tc %s\n", appData.timeControl);
10080 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10082 fprintf(f, "-results \"%s\"\n", results);
10087 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10090 Substitute (char *participants, int expunge)
10092 int i, changed, changes=0, nPlayers=0;
10093 char *p, *q, *r, buf[MSG_SIZ];
10094 if(participants == NULL) return;
10095 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10096 r = p = participants; q = appData.participants;
10097 while(*p && *p == *q) {
10098 if(*p == '\n') r = p+1, nPlayers++;
10101 if(*p) { // difference
10102 while(*p && *p++ != '\n');
10103 while(*q && *q++ != '\n');
10104 changed = nPlayers;
10105 changes = 1 + (strcmp(p, q) != 0);
10107 if(changes == 1) { // a single engine mnemonic was changed
10108 q = r; while(*q) nPlayers += (*q++ == '\n');
10109 p = buf; while(*r && (*p = *r++) != '\n') p++;
10111 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10112 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10113 if(mnemonic[i]) { // The substitute is valid
10115 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10116 flock(fileno(f), LOCK_EX);
10117 ParseArgsFromFile(f);
10118 fseek(f, 0, SEEK_SET);
10119 FREE(appData.participants); appData.participants = participants;
10120 if(expunge) { // erase results of replaced engine
10121 int len = strlen(appData.results), w, b, dummy;
10122 for(i=0; i<len; i++) {
10123 Pairing(i, nPlayers, &w, &b, &dummy);
10124 if((w == changed || b == changed) && appData.results[i] == '*') {
10125 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10130 for(i=0; i<len; i++) {
10131 Pairing(i, nPlayers, &w, &b, &dummy);
10132 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10135 WriteTourneyFile(appData.results, f);
10136 fclose(f); // release lock
10139 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10141 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10142 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10143 free(participants);
10148 CheckPlayers (char *participants)
10151 char buf[MSG_SIZ], *p;
10152 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10153 while(p = strchr(participants, '\n')) {
10155 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10157 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10159 DisplayError(buf, 0);
10163 participants = p + 1;
10169 CreateTourney (char *name)
10172 if(matchMode && strcmp(name, appData.tourneyFile)) {
10173 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10175 if(name[0] == NULLCHAR) {
10176 if(appData.participants[0])
10177 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10180 f = fopen(name, "r");
10181 if(f) { // file exists
10182 ASSIGN(appData.tourneyFile, name);
10183 ParseArgsFromFile(f); // parse it
10185 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10186 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10187 DisplayError(_("Not enough participants"), 0);
10190 if(CheckPlayers(appData.participants)) return 0;
10191 ASSIGN(appData.tourneyFile, name);
10192 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10193 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10196 appData.noChessProgram = FALSE;
10197 appData.clockMode = TRUE;
10203 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10205 char buf[MSG_SIZ], *p, *q;
10206 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10207 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10208 skip = !all && group[0]; // if group requested, we start in skip mode
10209 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10210 p = names; q = buf; header = 0;
10211 while(*p && *p != '\n') *q++ = *p++;
10213 if(*p == '\n') p++;
10214 if(buf[0] == '#') {
10215 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10216 depth++; // we must be entering a new group
10217 if(all) continue; // suppress printing group headers when complete list requested
10219 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10221 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10222 if(engineList[i]) free(engineList[i]);
10223 engineList[i] = strdup(buf);
10224 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10225 if(engineMnemonic[i]) free(engineMnemonic[i]);
10226 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10228 sscanf(q + 8, "%s", buf + strlen(buf));
10231 engineMnemonic[i] = strdup(buf);
10234 engineList[i] = engineMnemonic[i] = NULL;
10238 // following implemented as macro to avoid type limitations
10239 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10242 SwapEngines (int n)
10243 { // swap settings for first engine and other engine (so far only some selected options)
10248 SWAP(chessProgram, p)
10250 SWAP(hasOwnBookUCI, h)
10251 SWAP(protocolVersion, h)
10253 SWAP(scoreIsAbsolute, h)
10258 SWAP(engOptions, p)
10259 SWAP(engInitString, p)
10260 SWAP(computerString, p)
10262 SWAP(fenOverride, p)
10264 SWAP(accumulateTC, h)
10269 GetEngineLine (char *s, int n)
10273 extern char *icsNames;
10274 if(!s || !*s) return 0;
10275 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10276 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10277 if(!mnemonic[i]) return 0;
10278 if(n == 11) return 1; // just testing if there was a match
10279 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10280 if(n == 1) SwapEngines(n);
10281 ParseArgsFromString(buf);
10282 if(n == 1) SwapEngines(n);
10283 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10284 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10285 ParseArgsFromString(buf);
10291 SetPlayer (int player, char *p)
10292 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10294 char buf[MSG_SIZ], *engineName;
10295 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10296 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10297 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10299 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10300 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10301 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10302 ParseArgsFromString(buf);
10308 char *recentEngines;
10311 RecentEngineEvent (int nr)
10314 // SwapEngines(1); // bump first to second
10315 // ReplaceEngine(&second, 1); // and load it there
10316 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10317 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10318 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10319 ReplaceEngine(&first, 0);
10320 FloatToFront(&appData.recentEngineList, command[n]);
10325 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10326 { // determine players from game number
10327 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10329 if(appData.tourneyType == 0) {
10330 roundsPerCycle = (nPlayers - 1) | 1;
10331 pairingsPerRound = nPlayers / 2;
10332 } else if(appData.tourneyType > 0) {
10333 roundsPerCycle = nPlayers - appData.tourneyType;
10334 pairingsPerRound = appData.tourneyType;
10336 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10337 gamesPerCycle = gamesPerRound * roundsPerCycle;
10338 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10339 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10340 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10341 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10342 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10343 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10345 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10346 if(appData.roundSync) *syncInterval = gamesPerRound;
10348 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10350 if(appData.tourneyType == 0) {
10351 if(curPairing == (nPlayers-1)/2 ) {
10352 *whitePlayer = curRound;
10353 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10355 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10356 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10357 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10358 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10360 } else if(appData.tourneyType > 1) {
10361 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10362 *whitePlayer = curRound + appData.tourneyType;
10363 } else if(appData.tourneyType > 0) {
10364 *whitePlayer = curPairing;
10365 *blackPlayer = curRound + appData.tourneyType;
10368 // take care of white/black alternation per round.
10369 // For cycles and games this is already taken care of by default, derived from matchGame!
10370 return curRound & 1;
10374 NextTourneyGame (int nr, int *swapColors)
10375 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10377 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10379 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10380 tf = fopen(appData.tourneyFile, "r");
10381 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10382 ParseArgsFromFile(tf); fclose(tf);
10383 InitTimeControls(); // TC might be altered from tourney file
10385 nPlayers = CountPlayers(appData.participants); // count participants
10386 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10387 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10390 p = q = appData.results;
10391 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10392 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10393 DisplayMessage(_("Waiting for other game(s)"),"");
10394 waitingForGame = TRUE;
10395 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10398 waitingForGame = FALSE;
10401 if(appData.tourneyType < 0) {
10402 if(nr>=0 && !pairingReceived) {
10404 if(pairing.pr == NoProc) {
10405 if(!appData.pairingEngine[0]) {
10406 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10409 StartChessProgram(&pairing); // starts the pairing engine
10411 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10412 SendToProgram(buf, &pairing);
10413 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10414 SendToProgram(buf, &pairing);
10415 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10417 pairingReceived = 0; // ... so we continue here
10419 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10420 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10421 matchGame = 1; roundNr = nr / syncInterval + 1;
10424 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10426 // redefine engines, engine dir, etc.
10427 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10428 if(first.pr == NoProc) {
10429 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10430 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10432 if(second.pr == NoProc) {
10434 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10435 SwapEngines(1); // and make that valid for second engine by swapping
10436 InitEngine(&second, 1);
10438 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10439 UpdateLogos(FALSE); // leave display to ModeHiglight()
10445 { // performs game initialization that does not invoke engines, and then tries to start the game
10446 int res, firstWhite, swapColors = 0;
10447 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10448 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
10450 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10451 if(strcmp(buf, currentDebugFile)) { // name has changed
10452 FILE *f = fopen(buf, "w");
10453 if(f) { // if opening the new file failed, just keep using the old one
10454 ASSIGN(currentDebugFile, buf);
10458 if(appData.serverFileName) {
10459 if(serverFP) fclose(serverFP);
10460 serverFP = fopen(appData.serverFileName, "w");
10461 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10462 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10466 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10467 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10468 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10469 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10470 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10471 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10472 Reset(FALSE, first.pr != NoProc);
10473 res = LoadGameOrPosition(matchGame); // setup game
10474 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10475 if(!res) return; // abort when bad game/pos file
10476 TwoMachinesEvent();
10480 UserAdjudicationEvent (int result)
10482 ChessMove gameResult = GameIsDrawn;
10485 gameResult = WhiteWins;
10487 else if( result < 0 ) {
10488 gameResult = BlackWins;
10491 if( gameMode == TwoMachinesPlay ) {
10492 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10497 // [HGM] save: calculate checksum of game to make games easily identifiable
10499 StringCheckSum (char *s)
10502 if(s==NULL) return 0;
10503 while(*s) i = i*259 + *s++;
10511 for(i=backwardMostMove; i<forwardMostMove; i++) {
10512 sum += pvInfoList[i].depth;
10513 sum += StringCheckSum(parseList[i]);
10514 sum += StringCheckSum(commentList[i]);
10517 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10518 return sum + StringCheckSum(commentList[i]);
10519 } // end of save patch
10522 GameEnds (ChessMove result, char *resultDetails, int whosays)
10524 GameMode nextGameMode;
10526 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10528 if(endingGame) return; /* [HGM] crash: forbid recursion */
10530 if(twoBoards) { // [HGM] dual: switch back to one board
10531 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10532 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10534 if (appData.debugMode) {
10535 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10536 result, resultDetails ? resultDetails : "(null)", whosays);
10539 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10541 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10543 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10544 /* If we are playing on ICS, the server decides when the
10545 game is over, but the engine can offer to draw, claim
10549 if (appData.zippyPlay && first.initDone) {
10550 if (result == GameIsDrawn) {
10551 /* In case draw still needs to be claimed */
10552 SendToICS(ics_prefix);
10553 SendToICS("draw\n");
10554 } else if (StrCaseStr(resultDetails, "resign")) {
10555 SendToICS(ics_prefix);
10556 SendToICS("resign\n");
10560 endingGame = 0; /* [HGM] crash */
10564 /* If we're loading the game from a file, stop */
10565 if (whosays == GE_FILE) {
10566 (void) StopLoadGameTimer();
10570 /* Cancel draw offers */
10571 first.offeredDraw = second.offeredDraw = 0;
10573 /* If this is an ICS game, only ICS can really say it's done;
10574 if not, anyone can. */
10575 isIcsGame = (gameMode == IcsPlayingWhite ||
10576 gameMode == IcsPlayingBlack ||
10577 gameMode == IcsObserving ||
10578 gameMode == IcsExamining);
10580 if (!isIcsGame || whosays == GE_ICS) {
10581 /* OK -- not an ICS game, or ICS said it was done */
10583 if (!isIcsGame && !appData.noChessProgram)
10584 SetUserThinkingEnables();
10586 /* [HGM] if a machine claims the game end we verify this claim */
10587 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10588 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10590 ChessMove trueResult = (ChessMove) -1;
10592 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10593 first.twoMachinesColor[0] :
10594 second.twoMachinesColor[0] ;
10596 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10597 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10598 /* [HGM] verify: engine mate claims accepted if they were flagged */
10599 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10601 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10602 /* [HGM] verify: engine mate claims accepted if they were flagged */
10603 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10605 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10606 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10609 // now verify win claims, but not in drop games, as we don't understand those yet
10610 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10611 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10612 (result == WhiteWins && claimer == 'w' ||
10613 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10614 if (appData.debugMode) {
10615 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10616 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10618 if(result != trueResult) {
10619 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10620 result = claimer == 'w' ? BlackWins : WhiteWins;
10621 resultDetails = buf;
10624 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10625 && (forwardMostMove <= backwardMostMove ||
10626 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10627 (claimer=='b')==(forwardMostMove&1))
10629 /* [HGM] verify: draws that were not flagged are false claims */
10630 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10631 result = claimer == 'w' ? BlackWins : WhiteWins;
10632 resultDetails = buf;
10634 /* (Claiming a loss is accepted no questions asked!) */
10635 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10636 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10637 result = GameUnfinished;
10638 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10640 /* [HGM] bare: don't allow bare King to win */
10641 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10642 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10643 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10644 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10645 && result != GameIsDrawn)
10646 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10647 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10648 int p = (signed char)boards[forwardMostMove][i][j] - color;
10649 if(p >= 0 && p <= (int)WhiteKing) k++;
10651 if (appData.debugMode) {
10652 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10653 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10656 result = GameIsDrawn;
10657 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10658 resultDetails = buf;
10664 if(serverMoves != NULL && !loadFlag) { char c = '=';
10665 if(result==WhiteWins) c = '+';
10666 if(result==BlackWins) c = '-';
10667 if(resultDetails != NULL)
10668 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10670 if (resultDetails != NULL) {
10671 gameInfo.result = result;
10672 gameInfo.resultDetails = StrSave(resultDetails);
10674 /* display last move only if game was not loaded from file */
10675 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10676 DisplayMove(currentMove - 1);
10678 if (forwardMostMove != 0) {
10679 if (gameMode != PlayFromGameFile && gameMode != EditGame
10680 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10682 if (*appData.saveGameFile != NULLCHAR) {
10683 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10684 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10686 SaveGameToFile(appData.saveGameFile, TRUE);
10687 } else if (appData.autoSaveGames) {
10690 if (*appData.savePositionFile != NULLCHAR) {
10691 SavePositionToFile(appData.savePositionFile);
10693 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10697 /* Tell program how game ended in case it is learning */
10698 /* [HGM] Moved this to after saving the PGN, just in case */
10699 /* engine died and we got here through time loss. In that */
10700 /* case we will get a fatal error writing the pipe, which */
10701 /* would otherwise lose us the PGN. */
10702 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10703 /* output during GameEnds should never be fatal anymore */
10704 if (gameMode == MachinePlaysWhite ||
10705 gameMode == MachinePlaysBlack ||
10706 gameMode == TwoMachinesPlay ||
10707 gameMode == IcsPlayingWhite ||
10708 gameMode == IcsPlayingBlack ||
10709 gameMode == BeginningOfGame) {
10711 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10713 if (first.pr != NoProc) {
10714 SendToProgram(buf, &first);
10716 if (second.pr != NoProc &&
10717 gameMode == TwoMachinesPlay) {
10718 SendToProgram(buf, &second);
10723 if (appData.icsActive) {
10724 if (appData.quietPlay &&
10725 (gameMode == IcsPlayingWhite ||
10726 gameMode == IcsPlayingBlack)) {
10727 SendToICS(ics_prefix);
10728 SendToICS("set shout 1\n");
10730 nextGameMode = IcsIdle;
10731 ics_user_moved = FALSE;
10732 /* clean up premove. It's ugly when the game has ended and the
10733 * premove highlights are still on the board.
10736 gotPremove = FALSE;
10737 ClearPremoveHighlights();
10738 DrawPosition(FALSE, boards[currentMove]);
10740 if (whosays == GE_ICS) {
10743 if (gameMode == IcsPlayingWhite)
10745 else if(gameMode == IcsPlayingBlack)
10746 PlayIcsLossSound();
10749 if (gameMode == IcsPlayingBlack)
10751 else if(gameMode == IcsPlayingWhite)
10752 PlayIcsLossSound();
10755 PlayIcsDrawSound();
10758 PlayIcsUnfinishedSound();
10761 } else if (gameMode == EditGame ||
10762 gameMode == PlayFromGameFile ||
10763 gameMode == AnalyzeMode ||
10764 gameMode == AnalyzeFile) {
10765 nextGameMode = gameMode;
10767 nextGameMode = EndOfGame;
10772 nextGameMode = gameMode;
10775 if (appData.noChessProgram) {
10776 gameMode = nextGameMode;
10778 endingGame = 0; /* [HGM] crash */
10783 /* Put first chess program into idle state */
10784 if (first.pr != NoProc &&
10785 (gameMode == MachinePlaysWhite ||
10786 gameMode == MachinePlaysBlack ||
10787 gameMode == TwoMachinesPlay ||
10788 gameMode == IcsPlayingWhite ||
10789 gameMode == IcsPlayingBlack ||
10790 gameMode == BeginningOfGame)) {
10791 SendToProgram("force\n", &first);
10792 if (first.usePing) {
10794 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10795 SendToProgram(buf, &first);
10798 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10799 /* Kill off first chess program */
10800 if (first.isr != NULL)
10801 RemoveInputSource(first.isr);
10804 if (first.pr != NoProc) {
10806 DoSleep( appData.delayBeforeQuit );
10807 SendToProgram("quit\n", &first);
10808 DoSleep( appData.delayAfterQuit );
10809 DestroyChildProcess(first.pr, first.useSigterm);
10813 if (second.reuse) {
10814 /* Put second chess program into idle state */
10815 if (second.pr != NoProc &&
10816 gameMode == TwoMachinesPlay) {
10817 SendToProgram("force\n", &second);
10818 if (second.usePing) {
10820 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10821 SendToProgram(buf, &second);
10824 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10825 /* Kill off second chess program */
10826 if (second.isr != NULL)
10827 RemoveInputSource(second.isr);
10830 if (second.pr != NoProc) {
10831 DoSleep( appData.delayBeforeQuit );
10832 SendToProgram("quit\n", &second);
10833 DoSleep( appData.delayAfterQuit );
10834 DestroyChildProcess(second.pr, second.useSigterm);
10836 second.pr = NoProc;
10839 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10840 char resChar = '=';
10844 if (first.twoMachinesColor[0] == 'w') {
10847 second.matchWins++;
10852 if (first.twoMachinesColor[0] == 'b') {
10855 second.matchWins++;
10858 case GameUnfinished:
10864 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10865 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10866 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10867 ReserveGame(nextGame, resChar); // sets nextGame
10868 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10869 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10870 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10872 if (nextGame <= appData.matchGames && !abortMatch) {
10873 gameMode = nextGameMode;
10874 matchGame = nextGame; // this will be overruled in tourney mode!
10875 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10876 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10877 endingGame = 0; /* [HGM] crash */
10880 gameMode = nextGameMode;
10881 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10882 first.tidy, second.tidy,
10883 first.matchWins, second.matchWins,
10884 appData.matchGames - (first.matchWins + second.matchWins));
10885 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10886 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10887 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10888 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10889 first.twoMachinesColor = "black\n";
10890 second.twoMachinesColor = "white\n";
10892 first.twoMachinesColor = "white\n";
10893 second.twoMachinesColor = "black\n";
10897 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10898 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10900 gameMode = nextGameMode;
10902 endingGame = 0; /* [HGM] crash */
10903 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10904 if(matchMode == TRUE) { // match through command line: exit with or without popup
10906 ToNrEvent(forwardMostMove);
10907 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10909 } else DisplayFatalError(buf, 0, 0);
10910 } else { // match through menu; just stop, with or without popup
10911 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10914 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10915 } else DisplayNote(buf);
10917 if(ranking) free(ranking);
10921 /* Assumes program was just initialized (initString sent).
10922 Leaves program in force mode. */
10924 FeedMovesToProgram (ChessProgramState *cps, int upto)
10928 if (appData.debugMode)
10929 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10930 startedFromSetupPosition ? "position and " : "",
10931 backwardMostMove, upto, cps->which);
10932 if(currentlyInitializedVariant != gameInfo.variant) {
10934 // [HGM] variantswitch: make engine aware of new variant
10935 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10936 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10937 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10938 SendToProgram(buf, cps);
10939 currentlyInitializedVariant = gameInfo.variant;
10941 SendToProgram("force\n", cps);
10942 if (startedFromSetupPosition) {
10943 SendBoard(cps, backwardMostMove);
10944 if (appData.debugMode) {
10945 fprintf(debugFP, "feedMoves\n");
10948 for (i = backwardMostMove; i < upto; i++) {
10949 SendMoveToProgram(i, cps);
10955 ResurrectChessProgram ()
10957 /* The chess program may have exited.
10958 If so, restart it and feed it all the moves made so far. */
10959 static int doInit = 0;
10961 if (appData.noChessProgram) return 1;
10963 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10964 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10965 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10966 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10968 if (first.pr != NoProc) return 1;
10969 StartChessProgram(&first);
10971 InitChessProgram(&first, FALSE);
10972 FeedMovesToProgram(&first, currentMove);
10974 if (!first.sendTime) {
10975 /* can't tell gnuchess what its clock should read,
10976 so we bow to its notion. */
10978 timeRemaining[0][currentMove] = whiteTimeRemaining;
10979 timeRemaining[1][currentMove] = blackTimeRemaining;
10982 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10983 appData.icsEngineAnalyze) && first.analysisSupport) {
10984 SendToProgram("analyze\n", &first);
10985 first.analyzing = TRUE;
10991 * Button procedures
10994 Reset (int redraw, int init)
10998 if (appData.debugMode) {
10999 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11000 redraw, init, gameMode);
11002 CleanupTail(); // [HGM] vari: delete any stored variations
11003 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11004 pausing = pauseExamInvalid = FALSE;
11005 startedFromSetupPosition = blackPlaysFirst = FALSE;
11007 whiteFlag = blackFlag = FALSE;
11008 userOfferedDraw = FALSE;
11009 hintRequested = bookRequested = FALSE;
11010 first.maybeThinking = FALSE;
11011 second.maybeThinking = FALSE;
11012 first.bookSuspend = FALSE; // [HGM] book
11013 second.bookSuspend = FALSE;
11014 thinkOutput[0] = NULLCHAR;
11015 lastHint[0] = NULLCHAR;
11016 ClearGameInfo(&gameInfo);
11017 gameInfo.variant = StringToVariant(appData.variant);
11018 ics_user_moved = ics_clock_paused = FALSE;
11019 ics_getting_history = H_FALSE;
11021 white_holding[0] = black_holding[0] = NULLCHAR;
11022 ClearProgramStats();
11023 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11027 flipView = appData.flipView;
11028 ClearPremoveHighlights();
11029 gotPremove = FALSE;
11030 alarmSounded = FALSE;
11032 GameEnds(EndOfFile, NULL, GE_PLAYER);
11033 if(appData.serverMovesName != NULL) {
11034 /* [HGM] prepare to make moves file for broadcasting */
11035 clock_t t = clock();
11036 if(serverMoves != NULL) fclose(serverMoves);
11037 serverMoves = fopen(appData.serverMovesName, "r");
11038 if(serverMoves != NULL) {
11039 fclose(serverMoves);
11040 /* delay 15 sec before overwriting, so all clients can see end */
11041 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11043 serverMoves = fopen(appData.serverMovesName, "w");
11047 gameMode = BeginningOfGame;
11049 if(appData.icsActive) gameInfo.variant = VariantNormal;
11050 currentMove = forwardMostMove = backwardMostMove = 0;
11051 MarkTargetSquares(1);
11052 InitPosition(redraw);
11053 for (i = 0; i < MAX_MOVES; i++) {
11054 if (commentList[i] != NULL) {
11055 free(commentList[i]);
11056 commentList[i] = NULL;
11060 timeRemaining[0][0] = whiteTimeRemaining;
11061 timeRemaining[1][0] = blackTimeRemaining;
11063 if (first.pr == NoProc) {
11064 StartChessProgram(&first);
11067 InitChessProgram(&first, startedFromSetupPosition);
11070 DisplayMessage("", "");
11071 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11072 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11073 ClearMap(); // [HGM] exclude: invalidate map
11077 AutoPlayGameLoop ()
11080 if (!AutoPlayOneMove())
11082 if (matchMode || appData.timeDelay == 0)
11084 if (appData.timeDelay < 0)
11086 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11094 ReloadGame(1); // next game
11100 int fromX, fromY, toX, toY;
11102 if (appData.debugMode) {
11103 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11106 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11109 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11110 pvInfoList[currentMove].depth = programStats.depth;
11111 pvInfoList[currentMove].score = programStats.score;
11112 pvInfoList[currentMove].time = 0;
11113 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11116 if (currentMove >= forwardMostMove) {
11117 if(gameMode == AnalyzeFile) {
11118 if(appData.loadGameIndex == -1) {
11119 GameEnds(EndOfFile, NULL, GE_FILE);
11120 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11122 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11125 // gameMode = EndOfGame;
11126 // ModeHighlight();
11128 /* [AS] Clear current move marker at the end of a game */
11129 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11134 toX = moveList[currentMove][2] - AAA;
11135 toY = moveList[currentMove][3] - ONE;
11137 if (moveList[currentMove][1] == '@') {
11138 if (appData.highlightLastMove) {
11139 SetHighlights(-1, -1, toX, toY);
11142 fromX = moveList[currentMove][0] - AAA;
11143 fromY = moveList[currentMove][1] - ONE;
11145 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11147 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11149 if (appData.highlightLastMove) {
11150 SetHighlights(fromX, fromY, toX, toY);
11153 DisplayMove(currentMove);
11154 SendMoveToProgram(currentMove++, &first);
11155 DisplayBothClocks();
11156 DrawPosition(FALSE, boards[currentMove]);
11157 // [HGM] PV info: always display, routine tests if empty
11158 DisplayComment(currentMove - 1, commentList[currentMove]);
11164 LoadGameOneMove (ChessMove readAhead)
11166 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11167 char promoChar = NULLCHAR;
11168 ChessMove moveType;
11169 char move[MSG_SIZ];
11172 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11173 gameMode != AnalyzeMode && gameMode != Training) {
11178 yyboardindex = forwardMostMove;
11179 if (readAhead != EndOfFile) {
11180 moveType = readAhead;
11182 if (gameFileFP == NULL)
11184 moveType = (ChessMove) Myylex();
11188 switch (moveType) {
11190 if (appData.debugMode)
11191 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11194 /* append the comment but don't display it */
11195 AppendComment(currentMove, p, FALSE);
11198 case WhiteCapturesEnPassant:
11199 case BlackCapturesEnPassant:
11200 case WhitePromotion:
11201 case BlackPromotion:
11202 case WhiteNonPromotion:
11203 case BlackNonPromotion:
11205 case WhiteKingSideCastle:
11206 case WhiteQueenSideCastle:
11207 case BlackKingSideCastle:
11208 case BlackQueenSideCastle:
11209 case WhiteKingSideCastleWild:
11210 case WhiteQueenSideCastleWild:
11211 case BlackKingSideCastleWild:
11212 case BlackQueenSideCastleWild:
11214 case WhiteHSideCastleFR:
11215 case WhiteASideCastleFR:
11216 case BlackHSideCastleFR:
11217 case BlackASideCastleFR:
11219 if (appData.debugMode)
11220 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11221 fromX = currentMoveString[0] - AAA;
11222 fromY = currentMoveString[1] - ONE;
11223 toX = currentMoveString[2] - AAA;
11224 toY = currentMoveString[3] - ONE;
11225 promoChar = currentMoveString[4];
11230 if (appData.debugMode)
11231 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11232 fromX = moveType == WhiteDrop ?
11233 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11234 (int) CharToPiece(ToLower(currentMoveString[0]));
11236 toX = currentMoveString[2] - AAA;
11237 toY = currentMoveString[3] - ONE;
11243 case GameUnfinished:
11244 if (appData.debugMode)
11245 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11246 p = strchr(yy_text, '{');
11247 if (p == NULL) p = strchr(yy_text, '(');
11250 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11252 q = strchr(p, *p == '{' ? '}' : ')');
11253 if (q != NULL) *q = NULLCHAR;
11256 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11257 GameEnds(moveType, p, GE_FILE);
11259 if (cmailMsgLoaded) {
11261 flipView = WhiteOnMove(currentMove);
11262 if (moveType == GameUnfinished) flipView = !flipView;
11263 if (appData.debugMode)
11264 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11269 if (appData.debugMode)
11270 fprintf(debugFP, "Parser hit end of file\n");
11271 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11277 if (WhiteOnMove(currentMove)) {
11278 GameEnds(BlackWins, "Black mates", GE_FILE);
11280 GameEnds(WhiteWins, "White mates", GE_FILE);
11284 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11290 case MoveNumberOne:
11291 if (lastLoadGameStart == GNUChessGame) {
11292 /* GNUChessGames have numbers, but they aren't move numbers */
11293 if (appData.debugMode)
11294 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11295 yy_text, (int) moveType);
11296 return LoadGameOneMove(EndOfFile); /* tail recursion */
11298 /* else fall thru */
11303 /* Reached start of next game in file */
11304 if (appData.debugMode)
11305 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11306 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11312 if (WhiteOnMove(currentMove)) {
11313 GameEnds(BlackWins, "Black mates", GE_FILE);
11315 GameEnds(WhiteWins, "White mates", GE_FILE);
11319 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11325 case PositionDiagram: /* should not happen; ignore */
11326 case ElapsedTime: /* ignore */
11327 case NAG: /* ignore */
11328 if (appData.debugMode)
11329 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11330 yy_text, (int) moveType);
11331 return LoadGameOneMove(EndOfFile); /* tail recursion */
11334 if (appData.testLegality) {
11335 if (appData.debugMode)
11336 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11337 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11338 (forwardMostMove / 2) + 1,
11339 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11340 DisplayError(move, 0);
11343 if (appData.debugMode)
11344 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11345 yy_text, currentMoveString);
11346 fromX = currentMoveString[0] - AAA;
11347 fromY = currentMoveString[1] - ONE;
11348 toX = currentMoveString[2] - AAA;
11349 toY = currentMoveString[3] - ONE;
11350 promoChar = currentMoveString[4];
11354 case AmbiguousMove:
11355 if (appData.debugMode)
11356 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11357 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11358 (forwardMostMove / 2) + 1,
11359 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11360 DisplayError(move, 0);
11365 case ImpossibleMove:
11366 if (appData.debugMode)
11367 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11368 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11369 (forwardMostMove / 2) + 1,
11370 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11371 DisplayError(move, 0);
11377 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11378 DrawPosition(FALSE, boards[currentMove]);
11379 DisplayBothClocks();
11380 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11381 DisplayComment(currentMove - 1, commentList[currentMove]);
11383 (void) StopLoadGameTimer();
11385 cmailOldMove = forwardMostMove;
11388 /* currentMoveString is set as a side-effect of yylex */
11390 thinkOutput[0] = NULLCHAR;
11391 MakeMove(fromX, fromY, toX, toY, promoChar);
11392 currentMove = forwardMostMove;
11397 /* Load the nth game from the given file */
11399 LoadGameFromFile (char *filename, int n, char *title, int useList)
11404 if (strcmp(filename, "-") == 0) {
11408 f = fopen(filename, "rb");
11410 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11411 DisplayError(buf, errno);
11415 if (fseek(f, 0, 0) == -1) {
11416 /* f is not seekable; probably a pipe */
11419 if (useList && n == 0) {
11420 int error = GameListBuild(f);
11422 DisplayError(_("Cannot build game list"), error);
11423 } else if (!ListEmpty(&gameList) &&
11424 ((ListGame *) gameList.tailPred)->number > 1) {
11425 GameListPopUp(f, title);
11432 return LoadGame(f, n, title, FALSE);
11437 MakeRegisteredMove ()
11439 int fromX, fromY, toX, toY;
11441 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11442 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11445 if (appData.debugMode)
11446 fprintf(debugFP, "Restoring %s for game %d\n",
11447 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11449 thinkOutput[0] = NULLCHAR;
11450 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11451 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11452 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11453 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11454 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11455 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11456 MakeMove(fromX, fromY, toX, toY, promoChar);
11457 ShowMove(fromX, fromY, toX, toY);
11459 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11466 if (WhiteOnMove(currentMove)) {
11467 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11469 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11474 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11481 if (WhiteOnMove(currentMove)) {
11482 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11484 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11489 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11500 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11502 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11506 if (gameNumber > nCmailGames) {
11507 DisplayError(_("No more games in this message"), 0);
11510 if (f == lastLoadGameFP) {
11511 int offset = gameNumber - lastLoadGameNumber;
11513 cmailMsg[0] = NULLCHAR;
11514 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11515 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11516 nCmailMovesRegistered--;
11518 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11519 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11520 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11523 if (! RegisterMove()) return FALSE;
11527 retVal = LoadGame(f, gameNumber, title, useList);
11529 /* Make move registered during previous look at this game, if any */
11530 MakeRegisteredMove();
11532 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11533 commentList[currentMove]
11534 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11535 DisplayComment(currentMove - 1, commentList[currentMove]);
11541 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11543 ReloadGame (int offset)
11545 int gameNumber = lastLoadGameNumber + offset;
11546 if (lastLoadGameFP == NULL) {
11547 DisplayError(_("No game has been loaded yet"), 0);
11550 if (gameNumber <= 0) {
11551 DisplayError(_("Can't back up any further"), 0);
11554 if (cmailMsgLoaded) {
11555 return CmailLoadGame(lastLoadGameFP, gameNumber,
11556 lastLoadGameTitle, lastLoadGameUseList);
11558 return LoadGame(lastLoadGameFP, gameNumber,
11559 lastLoadGameTitle, lastLoadGameUseList);
11563 int keys[EmptySquare+1];
11566 PositionMatches (Board b1, Board b2)
11569 switch(appData.searchMode) {
11570 case 1: return CompareWithRights(b1, b2);
11572 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11573 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11577 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11578 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11579 sum += keys[b1[r][f]] - keys[b2[r][f]];
11583 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11584 sum += keys[b1[r][f]] - keys[b2[r][f]];
11596 int pieceList[256], quickBoard[256];
11597 ChessSquare pieceType[256] = { EmptySquare };
11598 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11599 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11600 int soughtTotal, turn;
11601 Boolean epOK, flipSearch;
11604 unsigned char piece, to;
11607 #define DSIZE (250000)
11609 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11610 Move *moveDatabase = initialSpace;
11611 unsigned int movePtr, dataSize = DSIZE;
11614 MakePieceList (Board board, int *counts)
11616 int r, f, n=Q_PROMO, total=0;
11617 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11618 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11619 int sq = f + (r<<4);
11620 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11621 quickBoard[sq] = ++n;
11623 pieceType[n] = board[r][f];
11624 counts[board[r][f]]++;
11625 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11626 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11630 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11635 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11637 int sq = fromX + (fromY<<4);
11638 int piece = quickBoard[sq];
11639 quickBoard[sq] = 0;
11640 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11641 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11642 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11643 moveDatabase[movePtr++].piece = Q_WCASTL;
11644 quickBoard[sq] = piece;
11645 piece = quickBoard[from]; quickBoard[from] = 0;
11646 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11648 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11649 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11650 moveDatabase[movePtr++].piece = Q_BCASTL;
11651 quickBoard[sq] = piece;
11652 piece = quickBoard[from]; quickBoard[from] = 0;
11653 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11655 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11656 quickBoard[(fromY<<4)+toX] = 0;
11657 moveDatabase[movePtr].piece = Q_EP;
11658 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11659 moveDatabase[movePtr].to = sq;
11661 if(promoPiece != pieceType[piece]) {
11662 moveDatabase[movePtr++].piece = Q_PROMO;
11663 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11665 moveDatabase[movePtr].piece = piece;
11666 quickBoard[sq] = piece;
11671 PackGame (Board board)
11673 Move *newSpace = NULL;
11674 moveDatabase[movePtr].piece = 0; // terminate previous game
11675 if(movePtr > dataSize) {
11676 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11677 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11678 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11681 Move *p = moveDatabase, *q = newSpace;
11682 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11683 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11684 moveDatabase = newSpace;
11685 } else { // calloc failed, we must be out of memory. Too bad...
11686 dataSize = 0; // prevent calloc events for all subsequent games
11687 return 0; // and signal this one isn't cached
11691 MakePieceList(board, counts);
11696 QuickCompare (Board board, int *minCounts, int *maxCounts)
11697 { // compare according to search mode
11699 switch(appData.searchMode)
11701 case 1: // exact position match
11702 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11703 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11704 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11707 case 2: // can have extra material on empty squares
11708 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11709 if(board[r][f] == EmptySquare) continue;
11710 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11713 case 3: // material with exact Pawn structure
11714 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11715 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11716 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11717 } // fall through to material comparison
11718 case 4: // exact material
11719 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11721 case 6: // material range with given imbalance
11722 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11723 // fall through to range comparison
11724 case 5: // material range
11725 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11731 QuickScan (Board board, Move *move)
11732 { // reconstruct game,and compare all positions in it
11733 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11735 int piece = move->piece;
11736 int to = move->to, from = pieceList[piece];
11737 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11738 if(!piece) return -1;
11739 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11740 piece = (++move)->piece;
11741 from = pieceList[piece];
11742 counts[pieceType[piece]]--;
11743 pieceType[piece] = (ChessSquare) move->to;
11744 counts[move->to]++;
11745 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11746 counts[pieceType[quickBoard[to]]]--;
11747 quickBoard[to] = 0; total--;
11750 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11751 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11752 from = pieceList[piece]; // so this must be King
11753 quickBoard[from] = 0;
11754 pieceList[piece] = to;
11755 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11756 quickBoard[from] = 0; // rook
11757 quickBoard[to] = piece;
11758 to = move->to; piece = move->piece;
11762 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11763 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11764 quickBoard[from] = 0;
11766 quickBoard[to] = piece;
11767 pieceList[piece] = to;
11769 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11770 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11771 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11772 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11774 static int lastCounts[EmptySquare+1];
11776 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11777 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11778 } else stretch = 0;
11779 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11788 flipSearch = FALSE;
11789 CopyBoard(soughtBoard, boards[currentMove]);
11790 soughtTotal = MakePieceList(soughtBoard, maxSought);
11791 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11792 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11793 CopyBoard(reverseBoard, boards[currentMove]);
11794 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11795 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11796 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11797 reverseBoard[r][f] = piece;
11799 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11800 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11801 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11802 || (boards[currentMove][CASTLING][2] == NoRights ||
11803 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11804 && (boards[currentMove][CASTLING][5] == NoRights ||
11805 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11808 CopyBoard(flipBoard, soughtBoard);
11809 CopyBoard(rotateBoard, reverseBoard);
11810 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11811 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11812 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11815 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11816 if(appData.searchMode >= 5) {
11817 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11818 MakePieceList(soughtBoard, minSought);
11819 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11821 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11822 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11825 GameInfo dummyInfo;
11826 static int creatingBook;
11829 GameContainsPosition (FILE *f, ListGame *lg)
11831 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11832 int fromX, fromY, toX, toY;
11834 static int initDone=FALSE;
11836 // weed out games based on numerical tag comparison
11837 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11838 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11839 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11840 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11842 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11845 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11846 else CopyBoard(boards[scratch], initialPosition); // default start position
11849 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11850 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11853 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11854 fseek(f, lg->offset, 0);
11857 yyboardindex = scratch;
11858 quickFlag = plyNr+1;
11863 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11869 if(plyNr) return -1; // after we have seen moves, this is for new game
11872 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11873 case ImpossibleMove:
11874 case WhiteWins: // game ends here with these four
11877 case GameUnfinished:
11881 if(appData.testLegality) return -1;
11882 case WhiteCapturesEnPassant:
11883 case BlackCapturesEnPassant:
11884 case WhitePromotion:
11885 case BlackPromotion:
11886 case WhiteNonPromotion:
11887 case BlackNonPromotion:
11889 case WhiteKingSideCastle:
11890 case WhiteQueenSideCastle:
11891 case BlackKingSideCastle:
11892 case BlackQueenSideCastle:
11893 case WhiteKingSideCastleWild:
11894 case WhiteQueenSideCastleWild:
11895 case BlackKingSideCastleWild:
11896 case BlackQueenSideCastleWild:
11897 case WhiteHSideCastleFR:
11898 case WhiteASideCastleFR:
11899 case BlackHSideCastleFR:
11900 case BlackASideCastleFR:
11901 fromX = currentMoveString[0] - AAA;
11902 fromY = currentMoveString[1] - ONE;
11903 toX = currentMoveString[2] - AAA;
11904 toY = currentMoveString[3] - ONE;
11905 promoChar = currentMoveString[4];
11909 fromX = next == WhiteDrop ?
11910 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11911 (int) CharToPiece(ToLower(currentMoveString[0]));
11913 toX = currentMoveString[2] - AAA;
11914 toY = currentMoveString[3] - ONE;
11918 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11920 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11921 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11922 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11923 if(appData.findMirror) {
11924 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11925 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11930 /* Load the nth game from open file f */
11932 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11936 int gn = gameNumber;
11937 ListGame *lg = NULL;
11938 int numPGNTags = 0;
11940 GameMode oldGameMode;
11941 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11943 if (appData.debugMode)
11944 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11946 if (gameMode == Training )
11947 SetTrainingModeOff();
11949 oldGameMode = gameMode;
11950 if (gameMode != BeginningOfGame) {
11951 Reset(FALSE, TRUE);
11955 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11956 fclose(lastLoadGameFP);
11960 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11963 fseek(f, lg->offset, 0);
11964 GameListHighlight(gameNumber);
11965 pos = lg->position;
11969 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
11970 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
11972 DisplayError(_("Game number out of range"), 0);
11977 if (fseek(f, 0, 0) == -1) {
11978 if (f == lastLoadGameFP ?
11979 gameNumber == lastLoadGameNumber + 1 :
11983 DisplayError(_("Can't seek on game file"), 0);
11988 lastLoadGameFP = f;
11989 lastLoadGameNumber = gameNumber;
11990 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11991 lastLoadGameUseList = useList;
11995 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11996 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11997 lg->gameInfo.black);
11999 } else if (*title != NULLCHAR) {
12000 if (gameNumber > 1) {
12001 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12004 DisplayTitle(title);
12008 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12009 gameMode = PlayFromGameFile;
12013 currentMove = forwardMostMove = backwardMostMove = 0;
12014 CopyBoard(boards[0], initialPosition);
12018 * Skip the first gn-1 games in the file.
12019 * Also skip over anything that precedes an identifiable
12020 * start of game marker, to avoid being confused by
12021 * garbage at the start of the file. Currently
12022 * recognized start of game markers are the move number "1",
12023 * the pattern "gnuchess .* game", the pattern
12024 * "^[#;%] [^ ]* game file", and a PGN tag block.
12025 * A game that starts with one of the latter two patterns
12026 * will also have a move number 1, possibly
12027 * following a position diagram.
12028 * 5-4-02: Let's try being more lenient and allowing a game to
12029 * start with an unnumbered move. Does that break anything?
12031 cm = lastLoadGameStart = EndOfFile;
12033 yyboardindex = forwardMostMove;
12034 cm = (ChessMove) Myylex();
12037 if (cmailMsgLoaded) {
12038 nCmailGames = CMAIL_MAX_GAMES - gn;
12041 DisplayError(_("Game not found in file"), 0);
12048 lastLoadGameStart = cm;
12051 case MoveNumberOne:
12052 switch (lastLoadGameStart) {
12057 case MoveNumberOne:
12059 gn--; /* count this game */
12060 lastLoadGameStart = cm;
12069 switch (lastLoadGameStart) {
12072 case MoveNumberOne:
12074 gn--; /* count this game */
12075 lastLoadGameStart = cm;
12078 lastLoadGameStart = cm; /* game counted already */
12086 yyboardindex = forwardMostMove;
12087 cm = (ChessMove) Myylex();
12088 } while (cm == PGNTag || cm == Comment);
12095 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12096 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12097 != CMAIL_OLD_RESULT) {
12099 cmailResult[ CMAIL_MAX_GAMES
12100 - gn - 1] = CMAIL_OLD_RESULT;
12106 /* Only a NormalMove can be at the start of a game
12107 * without a position diagram. */
12108 if (lastLoadGameStart == EndOfFile ) {
12110 lastLoadGameStart = MoveNumberOne;
12119 if (appData.debugMode)
12120 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12122 if (cm == XBoardGame) {
12123 /* Skip any header junk before position diagram and/or move 1 */
12125 yyboardindex = forwardMostMove;
12126 cm = (ChessMove) Myylex();
12128 if (cm == EndOfFile ||
12129 cm == GNUChessGame || cm == XBoardGame) {
12130 /* Empty game; pretend end-of-file and handle later */
12135 if (cm == MoveNumberOne || cm == PositionDiagram ||
12136 cm == PGNTag || cm == Comment)
12139 } else if (cm == GNUChessGame) {
12140 if (gameInfo.event != NULL) {
12141 free(gameInfo.event);
12143 gameInfo.event = StrSave(yy_text);
12146 startedFromSetupPosition = FALSE;
12147 while (cm == PGNTag) {
12148 if (appData.debugMode)
12149 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12150 err = ParsePGNTag(yy_text, &gameInfo);
12151 if (!err) numPGNTags++;
12153 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12154 if(gameInfo.variant != oldVariant) {
12155 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12156 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12157 InitPosition(TRUE);
12158 oldVariant = gameInfo.variant;
12159 if (appData.debugMode)
12160 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12164 if (gameInfo.fen != NULL) {
12165 Board initial_position;
12166 startedFromSetupPosition = TRUE;
12167 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12169 DisplayError(_("Bad FEN position in file"), 0);
12172 CopyBoard(boards[0], initial_position);
12173 if (blackPlaysFirst) {
12174 currentMove = forwardMostMove = backwardMostMove = 1;
12175 CopyBoard(boards[1], initial_position);
12176 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12177 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12178 timeRemaining[0][1] = whiteTimeRemaining;
12179 timeRemaining[1][1] = blackTimeRemaining;
12180 if (commentList[0] != NULL) {
12181 commentList[1] = commentList[0];
12182 commentList[0] = NULL;
12185 currentMove = forwardMostMove = backwardMostMove = 0;
12187 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12189 initialRulePlies = FENrulePlies;
12190 for( i=0; i< nrCastlingRights; i++ )
12191 initialRights[i] = initial_position[CASTLING][i];
12193 yyboardindex = forwardMostMove;
12194 free(gameInfo.fen);
12195 gameInfo.fen = NULL;
12198 yyboardindex = forwardMostMove;
12199 cm = (ChessMove) Myylex();
12201 /* Handle comments interspersed among the tags */
12202 while (cm == Comment) {
12204 if (appData.debugMode)
12205 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12207 AppendComment(currentMove, p, FALSE);
12208 yyboardindex = forwardMostMove;
12209 cm = (ChessMove) Myylex();
12213 /* don't rely on existence of Event tag since if game was
12214 * pasted from clipboard the Event tag may not exist
12216 if (numPGNTags > 0){
12218 if (gameInfo.variant == VariantNormal) {
12219 VariantClass v = StringToVariant(gameInfo.event);
12220 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12221 if(v < VariantShogi) gameInfo.variant = v;
12224 if( appData.autoDisplayTags ) {
12225 tags = PGNTags(&gameInfo);
12226 TagsPopUp(tags, CmailMsg());
12231 /* Make something up, but don't display it now */
12236 if (cm == PositionDiagram) {
12239 Board initial_position;
12241 if (appData.debugMode)
12242 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12244 if (!startedFromSetupPosition) {
12246 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12247 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12258 initial_position[i][j++] = CharToPiece(*p);
12261 while (*p == ' ' || *p == '\t' ||
12262 *p == '\n' || *p == '\r') p++;
12264 if (strncmp(p, "black", strlen("black"))==0)
12265 blackPlaysFirst = TRUE;
12267 blackPlaysFirst = FALSE;
12268 startedFromSetupPosition = TRUE;
12270 CopyBoard(boards[0], initial_position);
12271 if (blackPlaysFirst) {
12272 currentMove = forwardMostMove = backwardMostMove = 1;
12273 CopyBoard(boards[1], initial_position);
12274 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12275 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12276 timeRemaining[0][1] = whiteTimeRemaining;
12277 timeRemaining[1][1] = blackTimeRemaining;
12278 if (commentList[0] != NULL) {
12279 commentList[1] = commentList[0];
12280 commentList[0] = NULL;
12283 currentMove = forwardMostMove = backwardMostMove = 0;
12286 yyboardindex = forwardMostMove;
12287 cm = (ChessMove) Myylex();
12290 if(!creatingBook) {
12291 if (first.pr == NoProc) {
12292 StartChessProgram(&first);
12294 InitChessProgram(&first, FALSE);
12295 SendToProgram("force\n", &first);
12296 if (startedFromSetupPosition) {
12297 SendBoard(&first, forwardMostMove);
12298 if (appData.debugMode) {
12299 fprintf(debugFP, "Load Game\n");
12301 DisplayBothClocks();
12305 /* [HGM] server: flag to write setup moves in broadcast file as one */
12306 loadFlag = appData.suppressLoadMoves;
12308 while (cm == Comment) {
12310 if (appData.debugMode)
12311 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12313 AppendComment(currentMove, p, FALSE);
12314 yyboardindex = forwardMostMove;
12315 cm = (ChessMove) Myylex();
12318 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12319 cm == WhiteWins || cm == BlackWins ||
12320 cm == GameIsDrawn || cm == GameUnfinished) {
12321 DisplayMessage("", _("No moves in game"));
12322 if (cmailMsgLoaded) {
12323 if (appData.debugMode)
12324 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12328 DrawPosition(FALSE, boards[currentMove]);
12329 DisplayBothClocks();
12330 gameMode = EditGame;
12337 // [HGM] PV info: routine tests if comment empty
12338 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12339 DisplayComment(currentMove - 1, commentList[currentMove]);
12341 if (!matchMode && appData.timeDelay != 0)
12342 DrawPosition(FALSE, boards[currentMove]);
12344 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12345 programStats.ok_to_send = 1;
12348 /* if the first token after the PGN tags is a move
12349 * and not move number 1, retrieve it from the parser
12351 if (cm != MoveNumberOne)
12352 LoadGameOneMove(cm);
12354 /* load the remaining moves from the file */
12355 while (LoadGameOneMove(EndOfFile)) {
12356 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12357 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12360 /* rewind to the start of the game */
12361 currentMove = backwardMostMove;
12363 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12365 if (oldGameMode == AnalyzeFile ||
12366 oldGameMode == AnalyzeMode) {
12367 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12368 AnalyzeFileEvent();
12371 if(creatingBook) return TRUE;
12372 if (!matchMode && pos > 0) {
12373 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12375 if (matchMode || appData.timeDelay == 0) {
12377 } else if (appData.timeDelay > 0) {
12378 AutoPlayGameLoop();
12381 if (appData.debugMode)
12382 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12384 loadFlag = 0; /* [HGM] true game starts */
12388 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12390 ReloadPosition (int offset)
12392 int positionNumber = lastLoadPositionNumber + offset;
12393 if (lastLoadPositionFP == NULL) {
12394 DisplayError(_("No position has been loaded yet"), 0);
12397 if (positionNumber <= 0) {
12398 DisplayError(_("Can't back up any further"), 0);
12401 return LoadPosition(lastLoadPositionFP, positionNumber,
12402 lastLoadPositionTitle);
12405 /* Load the nth position from the given file */
12407 LoadPositionFromFile (char *filename, int n, char *title)
12412 if (strcmp(filename, "-") == 0) {
12413 return LoadPosition(stdin, n, "stdin");
12415 f = fopen(filename, "rb");
12417 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12418 DisplayError(buf, errno);
12421 return LoadPosition(f, n, title);
12426 /* Load the nth position from the given open file, and close it */
12428 LoadPosition (FILE *f, int positionNumber, char *title)
12430 char *p, line[MSG_SIZ];
12431 Board initial_position;
12432 int i, j, fenMode, pn;
12434 if (gameMode == Training )
12435 SetTrainingModeOff();
12437 if (gameMode != BeginningOfGame) {
12438 Reset(FALSE, TRUE);
12440 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12441 fclose(lastLoadPositionFP);
12443 if (positionNumber == 0) positionNumber = 1;
12444 lastLoadPositionFP = f;
12445 lastLoadPositionNumber = positionNumber;
12446 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12447 if (first.pr == NoProc && !appData.noChessProgram) {
12448 StartChessProgram(&first);
12449 InitChessProgram(&first, FALSE);
12451 pn = positionNumber;
12452 if (positionNumber < 0) {
12453 /* Negative position number means to seek to that byte offset */
12454 if (fseek(f, -positionNumber, 0) == -1) {
12455 DisplayError(_("Can't seek on position file"), 0);
12460 if (fseek(f, 0, 0) == -1) {
12461 if (f == lastLoadPositionFP ?
12462 positionNumber == lastLoadPositionNumber + 1 :
12463 positionNumber == 1) {
12466 DisplayError(_("Can't seek on position file"), 0);
12471 /* See if this file is FEN or old-style xboard */
12472 if (fgets(line, MSG_SIZ, f) == NULL) {
12473 DisplayError(_("Position not found in file"), 0);
12476 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12477 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12480 if (fenMode || line[0] == '#') pn--;
12482 /* skip positions before number pn */
12483 if (fgets(line, MSG_SIZ, f) == NULL) {
12485 DisplayError(_("Position not found in file"), 0);
12488 if (fenMode || line[0] == '#') pn--;
12493 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12494 DisplayError(_("Bad FEN position in file"), 0);
12498 (void) fgets(line, MSG_SIZ, f);
12499 (void) fgets(line, MSG_SIZ, f);
12501 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12502 (void) fgets(line, MSG_SIZ, f);
12503 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12506 initial_position[i][j++] = CharToPiece(*p);
12510 blackPlaysFirst = FALSE;
12512 (void) fgets(line, MSG_SIZ, f);
12513 if (strncmp(line, "black", strlen("black"))==0)
12514 blackPlaysFirst = TRUE;
12517 startedFromSetupPosition = TRUE;
12519 CopyBoard(boards[0], initial_position);
12520 if (blackPlaysFirst) {
12521 currentMove = forwardMostMove = backwardMostMove = 1;
12522 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12523 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12524 CopyBoard(boards[1], initial_position);
12525 DisplayMessage("", _("Black to play"));
12527 currentMove = forwardMostMove = backwardMostMove = 0;
12528 DisplayMessage("", _("White to play"));
12530 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12531 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12532 SendToProgram("force\n", &first);
12533 SendBoard(&first, forwardMostMove);
12535 if (appData.debugMode) {
12537 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12538 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12539 fprintf(debugFP, "Load Position\n");
12542 if (positionNumber > 1) {
12543 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12544 DisplayTitle(line);
12546 DisplayTitle(title);
12548 gameMode = EditGame;
12551 timeRemaining[0][1] = whiteTimeRemaining;
12552 timeRemaining[1][1] = blackTimeRemaining;
12553 DrawPosition(FALSE, boards[currentMove]);
12560 CopyPlayerNameIntoFileName (char **dest, char *src)
12562 while (*src != NULLCHAR && *src != ',') {
12567 *(*dest)++ = *src++;
12573 DefaultFileName (char *ext)
12575 static char def[MSG_SIZ];
12578 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12580 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12582 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12584 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12591 /* Save the current game to the given file */
12593 SaveGameToFile (char *filename, int append)
12597 int result, i, t,tot=0;
12599 if (strcmp(filename, "-") == 0) {
12600 return SaveGame(stdout, 0, NULL);
12602 for(i=0; i<10; i++) { // upto 10 tries
12603 f = fopen(filename, append ? "a" : "w");
12604 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12605 if(f || errno != 13) break;
12606 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12610 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12611 DisplayError(buf, errno);
12614 safeStrCpy(buf, lastMsg, MSG_SIZ);
12615 DisplayMessage(_("Waiting for access to save file"), "");
12616 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12617 DisplayMessage(_("Saving game"), "");
12618 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12619 result = SaveGame(f, 0, NULL);
12620 DisplayMessage(buf, "");
12627 SavePart (char *str)
12629 static char buf[MSG_SIZ];
12632 p = strchr(str, ' ');
12633 if (p == NULL) return str;
12634 strncpy(buf, str, p - str);
12635 buf[p - str] = NULLCHAR;
12639 #define PGN_MAX_LINE 75
12641 #define PGN_SIDE_WHITE 0
12642 #define PGN_SIDE_BLACK 1
12645 FindFirstMoveOutOfBook (int side)
12649 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12650 int index = backwardMostMove;
12651 int has_book_hit = 0;
12653 if( (index % 2) != side ) {
12657 while( index < forwardMostMove ) {
12658 /* Check to see if engine is in book */
12659 int depth = pvInfoList[index].depth;
12660 int score = pvInfoList[index].score;
12666 else if( score == 0 && depth == 63 ) {
12667 in_book = 1; /* Zappa */
12669 else if( score == 2 && depth == 99 ) {
12670 in_book = 1; /* Abrok */
12673 has_book_hit += in_book;
12689 GetOutOfBookInfo (char * buf)
12693 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12695 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12696 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12700 if( oob[0] >= 0 || oob[1] >= 0 ) {
12701 for( i=0; i<2; i++ ) {
12705 if( i > 0 && oob[0] >= 0 ) {
12706 strcat( buf, " " );
12709 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12710 sprintf( buf+strlen(buf), "%s%.2f",
12711 pvInfoList[idx].score >= 0 ? "+" : "",
12712 pvInfoList[idx].score / 100.0 );
12718 /* Save game in PGN style and close the file */
12720 SaveGamePGN (FILE *f)
12722 int i, offset, linelen, newblock;
12725 int movelen, numlen, blank;
12726 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12728 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12730 PrintPGNTags(f, &gameInfo);
12732 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12734 if (backwardMostMove > 0 || startedFromSetupPosition) {
12735 char *fen = PositionToFEN(backwardMostMove, NULL);
12736 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12737 fprintf(f, "\n{--------------\n");
12738 PrintPosition(f, backwardMostMove);
12739 fprintf(f, "--------------}\n");
12743 /* [AS] Out of book annotation */
12744 if( appData.saveOutOfBookInfo ) {
12747 GetOutOfBookInfo( buf );
12749 if( buf[0] != '\0' ) {
12750 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12757 i = backwardMostMove;
12761 while (i < forwardMostMove) {
12762 /* Print comments preceding this move */
12763 if (commentList[i] != NULL) {
12764 if (linelen > 0) fprintf(f, "\n");
12765 fprintf(f, "%s", commentList[i]);
12770 /* Format move number */
12772 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12775 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12777 numtext[0] = NULLCHAR;
12779 numlen = strlen(numtext);
12782 /* Print move number */
12783 blank = linelen > 0 && numlen > 0;
12784 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12793 fprintf(f, "%s", numtext);
12797 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12798 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12801 blank = linelen > 0 && movelen > 0;
12802 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12811 fprintf(f, "%s", move_buffer);
12812 linelen += movelen;
12814 /* [AS] Add PV info if present */
12815 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12816 /* [HGM] add time */
12817 char buf[MSG_SIZ]; int seconds;
12819 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12825 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12828 seconds = (seconds + 4)/10; // round to full seconds
12830 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12832 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12835 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12836 pvInfoList[i].score >= 0 ? "+" : "",
12837 pvInfoList[i].score / 100.0,
12838 pvInfoList[i].depth,
12841 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12843 /* Print score/depth */
12844 blank = linelen > 0 && movelen > 0;
12845 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12854 fprintf(f, "%s", move_buffer);
12855 linelen += movelen;
12861 /* Start a new line */
12862 if (linelen > 0) fprintf(f, "\n");
12864 /* Print comments after last move */
12865 if (commentList[i] != NULL) {
12866 fprintf(f, "%s\n", commentList[i]);
12870 if (gameInfo.resultDetails != NULL &&
12871 gameInfo.resultDetails[0] != NULLCHAR) {
12872 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12873 PGNResult(gameInfo.result));
12875 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12879 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12883 /* Save game in old style and close the file */
12885 SaveGameOldStyle (FILE *f)
12890 tm = time((time_t *) NULL);
12892 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12895 if (backwardMostMove > 0 || startedFromSetupPosition) {
12896 fprintf(f, "\n[--------------\n");
12897 PrintPosition(f, backwardMostMove);
12898 fprintf(f, "--------------]\n");
12903 i = backwardMostMove;
12904 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12906 while (i < forwardMostMove) {
12907 if (commentList[i] != NULL) {
12908 fprintf(f, "[%s]\n", commentList[i]);
12911 if ((i % 2) == 1) {
12912 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12915 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12917 if (commentList[i] != NULL) {
12921 if (i >= forwardMostMove) {
12925 fprintf(f, "%s\n", parseList[i]);
12930 if (commentList[i] != NULL) {
12931 fprintf(f, "[%s]\n", commentList[i]);
12934 /* This isn't really the old style, but it's close enough */
12935 if (gameInfo.resultDetails != NULL &&
12936 gameInfo.resultDetails[0] != NULLCHAR) {
12937 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12938 gameInfo.resultDetails);
12940 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12947 /* Save the current game to open file f and close the file */
12949 SaveGame (FILE *f, int dummy, char *dummy2)
12951 if (gameMode == EditPosition) EditPositionDone(TRUE);
12952 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12953 if (appData.oldSaveStyle)
12954 return SaveGameOldStyle(f);
12956 return SaveGamePGN(f);
12959 /* Save the current position to the given file */
12961 SavePositionToFile (char *filename)
12966 if (strcmp(filename, "-") == 0) {
12967 return SavePosition(stdout, 0, NULL);
12969 f = fopen(filename, "a");
12971 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12972 DisplayError(buf, errno);
12975 safeStrCpy(buf, lastMsg, MSG_SIZ);
12976 DisplayMessage(_("Waiting for access to save file"), "");
12977 flock(fileno(f), LOCK_EX); // [HGM] lock
12978 DisplayMessage(_("Saving position"), "");
12979 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12980 SavePosition(f, 0, NULL);
12981 DisplayMessage(buf, "");
12987 /* Save the current position to the given open file and close the file */
12989 SavePosition (FILE *f, int dummy, char *dummy2)
12994 if (gameMode == EditPosition) EditPositionDone(TRUE);
12995 if (appData.oldSaveStyle) {
12996 tm = time((time_t *) NULL);
12998 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13000 fprintf(f, "[--------------\n");
13001 PrintPosition(f, currentMove);
13002 fprintf(f, "--------------]\n");
13004 fen = PositionToFEN(currentMove, NULL);
13005 fprintf(f, "%s\n", fen);
13013 ReloadCmailMsgEvent (int unregister)
13016 static char *inFilename = NULL;
13017 static char *outFilename;
13019 struct stat inbuf, outbuf;
13022 /* Any registered moves are unregistered if unregister is set, */
13023 /* i.e. invoked by the signal handler */
13025 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13026 cmailMoveRegistered[i] = FALSE;
13027 if (cmailCommentList[i] != NULL) {
13028 free(cmailCommentList[i]);
13029 cmailCommentList[i] = NULL;
13032 nCmailMovesRegistered = 0;
13035 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13036 cmailResult[i] = CMAIL_NOT_RESULT;
13040 if (inFilename == NULL) {
13041 /* Because the filenames are static they only get malloced once */
13042 /* and they never get freed */
13043 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13044 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13046 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13047 sprintf(outFilename, "%s.out", appData.cmailGameName);
13050 status = stat(outFilename, &outbuf);
13052 cmailMailedMove = FALSE;
13054 status = stat(inFilename, &inbuf);
13055 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13058 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13059 counts the games, notes how each one terminated, etc.
13061 It would be nice to remove this kludge and instead gather all
13062 the information while building the game list. (And to keep it
13063 in the game list nodes instead of having a bunch of fixed-size
13064 parallel arrays.) Note this will require getting each game's
13065 termination from the PGN tags, as the game list builder does
13066 not process the game moves. --mann
13068 cmailMsgLoaded = TRUE;
13069 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13071 /* Load first game in the file or popup game menu */
13072 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13074 #endif /* !WIN32 */
13082 char string[MSG_SIZ];
13084 if ( cmailMailedMove
13085 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13086 return TRUE; /* Allow free viewing */
13089 /* Unregister move to ensure that we don't leave RegisterMove */
13090 /* with the move registered when the conditions for registering no */
13092 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13093 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13094 nCmailMovesRegistered --;
13096 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13098 free(cmailCommentList[lastLoadGameNumber - 1]);
13099 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13103 if (cmailOldMove == -1) {
13104 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13108 if (currentMove > cmailOldMove + 1) {
13109 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13113 if (currentMove < cmailOldMove) {
13114 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13118 if (forwardMostMove > currentMove) {
13119 /* Silently truncate extra moves */
13123 if ( (currentMove == cmailOldMove + 1)
13124 || ( (currentMove == cmailOldMove)
13125 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13126 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13127 if (gameInfo.result != GameUnfinished) {
13128 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13131 if (commentList[currentMove] != NULL) {
13132 cmailCommentList[lastLoadGameNumber - 1]
13133 = StrSave(commentList[currentMove]);
13135 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13137 if (appData.debugMode)
13138 fprintf(debugFP, "Saving %s for game %d\n",
13139 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13141 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13143 f = fopen(string, "w");
13144 if (appData.oldSaveStyle) {
13145 SaveGameOldStyle(f); /* also closes the file */
13147 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13148 f = fopen(string, "w");
13149 SavePosition(f, 0, NULL); /* also closes the file */
13151 fprintf(f, "{--------------\n");
13152 PrintPosition(f, currentMove);
13153 fprintf(f, "--------------}\n\n");
13155 SaveGame(f, 0, NULL); /* also closes the file*/
13158 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13159 nCmailMovesRegistered ++;
13160 } else if (nCmailGames == 1) {
13161 DisplayError(_("You have not made a move yet"), 0);
13172 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13173 FILE *commandOutput;
13174 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13175 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13181 if (! cmailMsgLoaded) {
13182 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13186 if (nCmailGames == nCmailResults) {
13187 DisplayError(_("No unfinished games"), 0);
13191 #if CMAIL_PROHIBIT_REMAIL
13192 if (cmailMailedMove) {
13193 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);
13194 DisplayError(msg, 0);
13199 if (! (cmailMailedMove || RegisterMove())) return;
13201 if ( cmailMailedMove
13202 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13203 snprintf(string, MSG_SIZ, partCommandString,
13204 appData.debugMode ? " -v" : "", appData.cmailGameName);
13205 commandOutput = popen(string, "r");
13207 if (commandOutput == NULL) {
13208 DisplayError(_("Failed to invoke cmail"), 0);
13210 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13211 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13213 if (nBuffers > 1) {
13214 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13215 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13216 nBytes = MSG_SIZ - 1;
13218 (void) memcpy(msg, buffer, nBytes);
13220 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13222 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13223 cmailMailedMove = TRUE; /* Prevent >1 moves */
13226 for (i = 0; i < nCmailGames; i ++) {
13227 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13232 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13234 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13236 appData.cmailGameName,
13238 LoadGameFromFile(buffer, 1, buffer, FALSE);
13239 cmailMsgLoaded = FALSE;
13243 DisplayInformation(msg);
13244 pclose(commandOutput);
13247 if ((*cmailMsg) != '\0') {
13248 DisplayInformation(cmailMsg);
13253 #endif /* !WIN32 */
13262 int prependComma = 0;
13264 char string[MSG_SIZ]; /* Space for game-list */
13267 if (!cmailMsgLoaded) return "";
13269 if (cmailMailedMove) {
13270 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13272 /* Create a list of games left */
13273 snprintf(string, MSG_SIZ, "[");
13274 for (i = 0; i < nCmailGames; i ++) {
13275 if (! ( cmailMoveRegistered[i]
13276 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13277 if (prependComma) {
13278 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13280 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13284 strcat(string, number);
13287 strcat(string, "]");
13289 if (nCmailMovesRegistered + nCmailResults == 0) {
13290 switch (nCmailGames) {
13292 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13296 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13300 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13305 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13307 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13312 if (nCmailResults == nCmailGames) {
13313 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13315 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13320 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13332 if (gameMode == Training)
13333 SetTrainingModeOff();
13336 cmailMsgLoaded = FALSE;
13337 if (appData.icsActive) {
13338 SendToICS(ics_prefix);
13339 SendToICS("refresh\n");
13344 ExitEvent (int status)
13348 /* Give up on clean exit */
13352 /* Keep trying for clean exit */
13356 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13358 if (telnetISR != NULL) {
13359 RemoveInputSource(telnetISR);
13361 if (icsPR != NoProc) {
13362 DestroyChildProcess(icsPR, TRUE);
13365 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13366 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13368 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13369 /* make sure this other one finishes before killing it! */
13370 if(endingGame) { int count = 0;
13371 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13372 while(endingGame && count++ < 10) DoSleep(1);
13373 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13376 /* Kill off chess programs */
13377 if (first.pr != NoProc) {
13380 DoSleep( appData.delayBeforeQuit );
13381 SendToProgram("quit\n", &first);
13382 DoSleep( appData.delayAfterQuit );
13383 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13385 if (second.pr != NoProc) {
13386 DoSleep( appData.delayBeforeQuit );
13387 SendToProgram("quit\n", &second);
13388 DoSleep( appData.delayAfterQuit );
13389 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13391 if (first.isr != NULL) {
13392 RemoveInputSource(first.isr);
13394 if (second.isr != NULL) {
13395 RemoveInputSource(second.isr);
13398 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13399 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13401 ShutDownFrontEnd();
13406 PauseEngine (ChessProgramState *cps)
13408 SendToProgram("pause\n", cps);
13413 UnPauseEngine (ChessProgramState *cps)
13415 SendToProgram("resume\n", cps);
13422 if (appData.debugMode)
13423 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13427 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13429 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13430 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13431 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13433 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13434 HandleMachineMove(stashedInputMove, stalledEngine);
13435 stalledEngine = NULL;
13438 if (gameMode == MachinePlaysWhite ||
13439 gameMode == TwoMachinesPlay ||
13440 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13441 if(first.pause) UnPauseEngine(&first);
13442 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13443 if(second.pause) UnPauseEngine(&second);
13444 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13447 DisplayBothClocks();
13449 if (gameMode == PlayFromGameFile) {
13450 if (appData.timeDelay >= 0)
13451 AutoPlayGameLoop();
13452 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13453 Reset(FALSE, TRUE);
13454 SendToICS(ics_prefix);
13455 SendToICS("refresh\n");
13456 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13457 ForwardInner(forwardMostMove);
13459 pauseExamInvalid = FALSE;
13461 switch (gameMode) {
13465 pauseExamForwardMostMove = forwardMostMove;
13466 pauseExamInvalid = FALSE;
13469 case IcsPlayingWhite:
13470 case IcsPlayingBlack:
13474 case PlayFromGameFile:
13475 (void) StopLoadGameTimer();
13479 case BeginningOfGame:
13480 if (appData.icsActive) return;
13481 /* else fall through */
13482 case MachinePlaysWhite:
13483 case MachinePlaysBlack:
13484 case TwoMachinesPlay:
13485 if (forwardMostMove == 0)
13486 return; /* don't pause if no one has moved */
13487 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13488 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13489 if(onMove->pause) { // thinking engine can be paused
13490 PauseEngine(onMove); // do it
13491 if(onMove->other->pause) // pondering opponent can always be paused immediately
13492 PauseEngine(onMove->other);
13494 SendToProgram("easy\n", onMove->other);
13496 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13497 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13499 PauseEngine(&first);
13501 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13502 } else { // human on move, pause pondering by either method
13504 PauseEngine(&first);
13505 else if(appData.ponderNextMove)
13506 SendToProgram("easy\n", &first);
13509 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13519 EditCommentEvent ()
13521 char title[MSG_SIZ];
13523 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13524 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13526 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13527 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13528 parseList[currentMove - 1]);
13531 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13538 char *tags = PGNTags(&gameInfo);
13540 EditTagsPopUp(tags, NULL);
13547 if(second.analyzing) {
13548 SendToProgram("exit\n", &second);
13549 second.analyzing = FALSE;
13551 if (second.pr == NoProc) StartChessProgram(&second);
13552 InitChessProgram(&second, FALSE);
13553 FeedMovesToProgram(&second, currentMove);
13555 SendToProgram("analyze\n", &second);
13556 second.analyzing = TRUE;
13560 /* Toggle ShowThinking */
13562 ToggleShowThinking()
13564 appData.showThinking = !appData.showThinking;
13565 ShowThinkingEvent();
13569 AnalyzeModeEvent ()
13573 if (!first.analysisSupport) {
13574 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13575 DisplayError(buf, 0);
13578 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13579 if (appData.icsActive) {
13580 if (gameMode != IcsObserving) {
13581 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13582 DisplayError(buf, 0);
13584 if (appData.icsEngineAnalyze) {
13585 if (appData.debugMode)
13586 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13592 /* if enable, user wants to disable icsEngineAnalyze */
13593 if (appData.icsEngineAnalyze) {
13598 appData.icsEngineAnalyze = TRUE;
13599 if (appData.debugMode)
13600 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13603 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13604 if (appData.noChessProgram || gameMode == AnalyzeMode)
13607 if (gameMode != AnalyzeFile) {
13608 if (!appData.icsEngineAnalyze) {
13610 if (gameMode != EditGame) return 0;
13612 if (!appData.showThinking) ToggleShowThinking();
13613 ResurrectChessProgram();
13614 SendToProgram("analyze\n", &first);
13615 first.analyzing = TRUE;
13616 /*first.maybeThinking = TRUE;*/
13617 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13618 EngineOutputPopUp();
13620 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13625 StartAnalysisClock();
13626 GetTimeMark(&lastNodeCountTime);
13632 AnalyzeFileEvent ()
13634 if (appData.noChessProgram || gameMode == AnalyzeFile)
13637 if (!first.analysisSupport) {
13639 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13640 DisplayError(buf, 0);
13644 if (gameMode != AnalyzeMode) {
13645 keepInfo = 1; // mere annotating should not alter PGN tags
13648 if (gameMode != EditGame) return;
13649 if (!appData.showThinking) ToggleShowThinking();
13650 ResurrectChessProgram();
13651 SendToProgram("analyze\n", &first);
13652 first.analyzing = TRUE;
13653 /*first.maybeThinking = TRUE;*/
13654 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13655 EngineOutputPopUp();
13657 gameMode = AnalyzeFile;
13661 StartAnalysisClock();
13662 GetTimeMark(&lastNodeCountTime);
13664 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13665 AnalysisPeriodicEvent(1);
13669 MachineWhiteEvent ()
13672 char *bookHit = NULL;
13674 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13678 if (gameMode == PlayFromGameFile ||
13679 gameMode == TwoMachinesPlay ||
13680 gameMode == Training ||
13681 gameMode == AnalyzeMode ||
13682 gameMode == EndOfGame)
13685 if (gameMode == EditPosition)
13686 EditPositionDone(TRUE);
13688 if (!WhiteOnMove(currentMove)) {
13689 DisplayError(_("It is not White's turn"), 0);
13693 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13696 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13697 gameMode == AnalyzeFile)
13700 ResurrectChessProgram(); /* in case it isn't running */
13701 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13702 gameMode = MachinePlaysWhite;
13705 gameMode = MachinePlaysWhite;
13709 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13711 if (first.sendName) {
13712 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13713 SendToProgram(buf, &first);
13715 if (first.sendTime) {
13716 if (first.useColors) {
13717 SendToProgram("black\n", &first); /*gnu kludge*/
13719 SendTimeRemaining(&first, TRUE);
13721 if (first.useColors) {
13722 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13724 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13725 SetMachineThinkingEnables();
13726 first.maybeThinking = TRUE;
13730 if (appData.autoFlipView && !flipView) {
13731 flipView = !flipView;
13732 DrawPosition(FALSE, NULL);
13733 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13736 if(bookHit) { // [HGM] book: simulate book reply
13737 static char bookMove[MSG_SIZ]; // a bit generous?
13739 programStats.nodes = programStats.depth = programStats.time =
13740 programStats.score = programStats.got_only_move = 0;
13741 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13743 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13744 strcat(bookMove, bookHit);
13745 HandleMachineMove(bookMove, &first);
13750 MachineBlackEvent ()
13753 char *bookHit = NULL;
13755 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13759 if (gameMode == PlayFromGameFile ||
13760 gameMode == TwoMachinesPlay ||
13761 gameMode == Training ||
13762 gameMode == AnalyzeMode ||
13763 gameMode == EndOfGame)
13766 if (gameMode == EditPosition)
13767 EditPositionDone(TRUE);
13769 if (WhiteOnMove(currentMove)) {
13770 DisplayError(_("It is not Black's turn"), 0);
13774 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13777 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13778 gameMode == AnalyzeFile)
13781 ResurrectChessProgram(); /* in case it isn't running */
13782 gameMode = MachinePlaysBlack;
13786 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13788 if (first.sendName) {
13789 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13790 SendToProgram(buf, &first);
13792 if (first.sendTime) {
13793 if (first.useColors) {
13794 SendToProgram("white\n", &first); /*gnu kludge*/
13796 SendTimeRemaining(&first, FALSE);
13798 if (first.useColors) {
13799 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13801 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13802 SetMachineThinkingEnables();
13803 first.maybeThinking = TRUE;
13806 if (appData.autoFlipView && flipView) {
13807 flipView = !flipView;
13808 DrawPosition(FALSE, NULL);
13809 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13811 if(bookHit) { // [HGM] book: simulate book reply
13812 static char bookMove[MSG_SIZ]; // a bit generous?
13814 programStats.nodes = programStats.depth = programStats.time =
13815 programStats.score = programStats.got_only_move = 0;
13816 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13818 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13819 strcat(bookMove, bookHit);
13820 HandleMachineMove(bookMove, &first);
13826 DisplayTwoMachinesTitle ()
13829 if (appData.matchGames > 0) {
13830 if(appData.tourneyFile[0]) {
13831 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13832 gameInfo.white, _("vs."), gameInfo.black,
13833 nextGame+1, appData.matchGames+1,
13834 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13836 if (first.twoMachinesColor[0] == 'w') {
13837 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13838 gameInfo.white, _("vs."), gameInfo.black,
13839 first.matchWins, second.matchWins,
13840 matchGame - 1 - (first.matchWins + second.matchWins));
13842 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13843 gameInfo.white, _("vs."), gameInfo.black,
13844 second.matchWins, first.matchWins,
13845 matchGame - 1 - (first.matchWins + second.matchWins));
13848 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13854 SettingsMenuIfReady ()
13856 if (second.lastPing != second.lastPong) {
13857 DisplayMessage("", _("Waiting for second chess program"));
13858 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13862 DisplayMessage("", "");
13863 SettingsPopUp(&second);
13867 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13870 if (cps->pr == NoProc) {
13871 StartChessProgram(cps);
13872 if (cps->protocolVersion == 1) {
13875 /* kludge: allow timeout for initial "feature" command */
13877 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13878 DisplayMessage("", buf);
13879 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13887 TwoMachinesEvent P((void))
13891 ChessProgramState *onmove;
13892 char *bookHit = NULL;
13893 static int stalling = 0;
13897 if (appData.noChessProgram) return;
13899 switch (gameMode) {
13900 case TwoMachinesPlay:
13902 case MachinePlaysWhite:
13903 case MachinePlaysBlack:
13904 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13905 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13909 case BeginningOfGame:
13910 case PlayFromGameFile:
13913 if (gameMode != EditGame) return;
13916 EditPositionDone(TRUE);
13927 // forwardMostMove = currentMove;
13928 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13930 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13932 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13933 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13934 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13938 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13939 DisplayError("second engine does not play this", 0);
13944 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13945 SendToProgram("force\n", &second);
13947 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13950 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13951 if(appData.matchPause>10000 || appData.matchPause<10)
13952 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13953 wait = SubtractTimeMarks(&now, &pauseStart);
13954 if(wait < appData.matchPause) {
13955 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13958 // we are now committed to starting the game
13960 DisplayMessage("", "");
13961 if (startedFromSetupPosition) {
13962 SendBoard(&second, backwardMostMove);
13963 if (appData.debugMode) {
13964 fprintf(debugFP, "Two Machines\n");
13967 for (i = backwardMostMove; i < forwardMostMove; i++) {
13968 SendMoveToProgram(i, &second);
13971 gameMode = TwoMachinesPlay;
13973 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13975 DisplayTwoMachinesTitle();
13977 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13982 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13983 SendToProgram(first.computerString, &first);
13984 if (first.sendName) {
13985 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13986 SendToProgram(buf, &first);
13988 SendToProgram(second.computerString, &second);
13989 if (second.sendName) {
13990 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13991 SendToProgram(buf, &second);
13995 if (!first.sendTime || !second.sendTime) {
13996 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13997 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13999 if (onmove->sendTime) {
14000 if (onmove->useColors) {
14001 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14003 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14005 if (onmove->useColors) {
14006 SendToProgram(onmove->twoMachinesColor, onmove);
14008 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14009 // SendToProgram("go\n", onmove);
14010 onmove->maybeThinking = TRUE;
14011 SetMachineThinkingEnables();
14015 if(bookHit) { // [HGM] book: simulate book reply
14016 static char bookMove[MSG_SIZ]; // a bit generous?
14018 programStats.nodes = programStats.depth = programStats.time =
14019 programStats.score = programStats.got_only_move = 0;
14020 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14022 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14023 strcat(bookMove, bookHit);
14024 savedMessage = bookMove; // args for deferred call
14025 savedState = onmove;
14026 ScheduleDelayedEvent(DeferredBookMove, 1);
14033 if (gameMode == Training) {
14034 SetTrainingModeOff();
14035 gameMode = PlayFromGameFile;
14036 DisplayMessage("", _("Training mode off"));
14038 gameMode = Training;
14039 animateTraining = appData.animate;
14041 /* make sure we are not already at the end of the game */
14042 if (currentMove < forwardMostMove) {
14043 SetTrainingModeOn();
14044 DisplayMessage("", _("Training mode on"));
14046 gameMode = PlayFromGameFile;
14047 DisplayError(_("Already at end of game"), 0);
14056 if (!appData.icsActive) return;
14057 switch (gameMode) {
14058 case IcsPlayingWhite:
14059 case IcsPlayingBlack:
14062 case BeginningOfGame:
14070 EditPositionDone(TRUE);
14083 gameMode = IcsIdle;
14093 switch (gameMode) {
14095 SetTrainingModeOff();
14097 case MachinePlaysWhite:
14098 case MachinePlaysBlack:
14099 case BeginningOfGame:
14100 SendToProgram("force\n", &first);
14101 SetUserThinkingEnables();
14103 case PlayFromGameFile:
14104 (void) StopLoadGameTimer();
14105 if (gameFileFP != NULL) {
14110 EditPositionDone(TRUE);
14115 SendToProgram("force\n", &first);
14117 case TwoMachinesPlay:
14118 GameEnds(EndOfFile, NULL, GE_PLAYER);
14119 ResurrectChessProgram();
14120 SetUserThinkingEnables();
14123 ResurrectChessProgram();
14125 case IcsPlayingBlack:
14126 case IcsPlayingWhite:
14127 DisplayError(_("Warning: You are still playing a game"), 0);
14130 DisplayError(_("Warning: You are still observing a game"), 0);
14133 DisplayError(_("Warning: You are still examining a game"), 0);
14144 first.offeredDraw = second.offeredDraw = 0;
14146 if (gameMode == PlayFromGameFile) {
14147 whiteTimeRemaining = timeRemaining[0][currentMove];
14148 blackTimeRemaining = timeRemaining[1][currentMove];
14152 if (gameMode == MachinePlaysWhite ||
14153 gameMode == MachinePlaysBlack ||
14154 gameMode == TwoMachinesPlay ||
14155 gameMode == EndOfGame) {
14156 i = forwardMostMove;
14157 while (i > currentMove) {
14158 SendToProgram("undo\n", &first);
14161 if(!adjustedClock) {
14162 whiteTimeRemaining = timeRemaining[0][currentMove];
14163 blackTimeRemaining = timeRemaining[1][currentMove];
14164 DisplayBothClocks();
14166 if (whiteFlag || blackFlag) {
14167 whiteFlag = blackFlag = 0;
14172 gameMode = EditGame;
14179 EditPositionEvent ()
14181 if (gameMode == EditPosition) {
14187 if (gameMode != EditGame) return;
14189 gameMode = EditPosition;
14192 if (currentMove > 0)
14193 CopyBoard(boards[0], boards[currentMove]);
14195 blackPlaysFirst = !WhiteOnMove(currentMove);
14197 currentMove = forwardMostMove = backwardMostMove = 0;
14198 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14200 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14206 /* [DM] icsEngineAnalyze - possible call from other functions */
14207 if (appData.icsEngineAnalyze) {
14208 appData.icsEngineAnalyze = FALSE;
14210 DisplayMessage("",_("Close ICS engine analyze..."));
14212 if (first.analysisSupport && first.analyzing) {
14213 SendToBoth("exit\n");
14214 first.analyzing = second.analyzing = FALSE;
14216 thinkOutput[0] = NULLCHAR;
14220 EditPositionDone (Boolean fakeRights)
14222 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14224 startedFromSetupPosition = TRUE;
14225 InitChessProgram(&first, FALSE);
14226 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14227 boards[0][EP_STATUS] = EP_NONE;
14228 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14229 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14230 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14231 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14232 } else boards[0][CASTLING][2] = NoRights;
14233 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14234 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14235 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14236 } else boards[0][CASTLING][5] = NoRights;
14237 if(gameInfo.variant == VariantSChess) {
14239 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14240 boards[0][VIRGIN][i] = 0;
14241 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14242 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14246 SendToProgram("force\n", &first);
14247 if (blackPlaysFirst) {
14248 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14249 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14250 currentMove = forwardMostMove = backwardMostMove = 1;
14251 CopyBoard(boards[1], boards[0]);
14253 currentMove = forwardMostMove = backwardMostMove = 0;
14255 SendBoard(&first, forwardMostMove);
14256 if (appData.debugMode) {
14257 fprintf(debugFP, "EditPosDone\n");
14260 DisplayMessage("", "");
14261 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14262 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14263 gameMode = EditGame;
14265 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14266 ClearHighlights(); /* [AS] */
14269 /* Pause for `ms' milliseconds */
14270 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14272 TimeDelay (long ms)
14279 } while (SubtractTimeMarks(&m2, &m1) < ms);
14282 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14284 SendMultiLineToICS (char *buf)
14286 char temp[MSG_SIZ+1], *p;
14293 strncpy(temp, buf, len);
14298 if (*p == '\n' || *p == '\r')
14303 strcat(temp, "\n");
14305 SendToPlayer(temp, strlen(temp));
14309 SetWhiteToPlayEvent ()
14311 if (gameMode == EditPosition) {
14312 blackPlaysFirst = FALSE;
14313 DisplayBothClocks(); /* works because currentMove is 0 */
14314 } else if (gameMode == IcsExamining) {
14315 SendToICS(ics_prefix);
14316 SendToICS("tomove white\n");
14321 SetBlackToPlayEvent ()
14323 if (gameMode == EditPosition) {
14324 blackPlaysFirst = TRUE;
14325 currentMove = 1; /* kludge */
14326 DisplayBothClocks();
14328 } else if (gameMode == IcsExamining) {
14329 SendToICS(ics_prefix);
14330 SendToICS("tomove black\n");
14335 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14338 ChessSquare piece = boards[0][y][x];
14340 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14342 switch (selection) {
14344 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14345 SendToICS(ics_prefix);
14346 SendToICS("bsetup clear\n");
14347 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14348 SendToICS(ics_prefix);
14349 SendToICS("clearboard\n");
14351 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14352 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14353 for (y = 0; y < BOARD_HEIGHT; y++) {
14354 if (gameMode == IcsExamining) {
14355 if (boards[currentMove][y][x] != EmptySquare) {
14356 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14361 boards[0][y][x] = p;
14366 if (gameMode == EditPosition) {
14367 DrawPosition(FALSE, boards[0]);
14372 SetWhiteToPlayEvent();
14376 SetBlackToPlayEvent();
14380 if (gameMode == IcsExamining) {
14381 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14382 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14385 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14386 if(x == BOARD_LEFT-2) {
14387 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14388 boards[0][y][1] = 0;
14390 if(x == BOARD_RGHT+1) {
14391 if(y >= gameInfo.holdingsSize) break;
14392 boards[0][y][BOARD_WIDTH-2] = 0;
14395 boards[0][y][x] = EmptySquare;
14396 DrawPosition(FALSE, boards[0]);
14401 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14402 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14403 selection = (ChessSquare) (PROMOTED piece);
14404 } else if(piece == EmptySquare) selection = WhiteSilver;
14405 else selection = (ChessSquare)((int)piece - 1);
14409 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14410 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14411 selection = (ChessSquare) (DEMOTED piece);
14412 } else if(piece == EmptySquare) selection = BlackSilver;
14413 else selection = (ChessSquare)((int)piece + 1);
14418 if(gameInfo.variant == VariantShatranj ||
14419 gameInfo.variant == VariantXiangqi ||
14420 gameInfo.variant == VariantCourier ||
14421 gameInfo.variant == VariantMakruk )
14422 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14427 if(gameInfo.variant == VariantXiangqi)
14428 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14429 if(gameInfo.variant == VariantKnightmate)
14430 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14433 if (gameMode == IcsExamining) {
14434 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14435 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14436 PieceToChar(selection), AAA + x, ONE + y);
14439 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14441 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14442 n = PieceToNumber(selection - BlackPawn);
14443 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14444 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14445 boards[0][BOARD_HEIGHT-1-n][1]++;
14447 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14448 n = PieceToNumber(selection);
14449 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14450 boards[0][n][BOARD_WIDTH-1] = selection;
14451 boards[0][n][BOARD_WIDTH-2]++;
14454 boards[0][y][x] = selection;
14455 DrawPosition(TRUE, boards[0]);
14457 fromX = fromY = -1;
14465 DropMenuEvent (ChessSquare selection, int x, int y)
14467 ChessMove moveType;
14469 switch (gameMode) {
14470 case IcsPlayingWhite:
14471 case MachinePlaysBlack:
14472 if (!WhiteOnMove(currentMove)) {
14473 DisplayMoveError(_("It is Black's turn"));
14476 moveType = WhiteDrop;
14478 case IcsPlayingBlack:
14479 case MachinePlaysWhite:
14480 if (WhiteOnMove(currentMove)) {
14481 DisplayMoveError(_("It is White's turn"));
14484 moveType = BlackDrop;
14487 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14493 if (moveType == BlackDrop && selection < BlackPawn) {
14494 selection = (ChessSquare) ((int) selection
14495 + (int) BlackPawn - (int) WhitePawn);
14497 if (boards[currentMove][y][x] != EmptySquare) {
14498 DisplayMoveError(_("That square is occupied"));
14502 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14508 /* Accept a pending offer of any kind from opponent */
14510 if (appData.icsActive) {
14511 SendToICS(ics_prefix);
14512 SendToICS("accept\n");
14513 } else if (cmailMsgLoaded) {
14514 if (currentMove == cmailOldMove &&
14515 commentList[cmailOldMove] != NULL &&
14516 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14517 "Black offers a draw" : "White offers a draw")) {
14519 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14520 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14522 DisplayError(_("There is no pending offer on this move"), 0);
14523 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14526 /* Not used for offers from chess program */
14533 /* Decline a pending offer of any kind from opponent */
14535 if (appData.icsActive) {
14536 SendToICS(ics_prefix);
14537 SendToICS("decline\n");
14538 } else if (cmailMsgLoaded) {
14539 if (currentMove == cmailOldMove &&
14540 commentList[cmailOldMove] != NULL &&
14541 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14542 "Black offers a draw" : "White offers a draw")) {
14544 AppendComment(cmailOldMove, "Draw declined", TRUE);
14545 DisplayComment(cmailOldMove - 1, "Draw declined");
14548 DisplayError(_("There is no pending offer on this move"), 0);
14551 /* Not used for offers from chess program */
14558 /* Issue ICS rematch command */
14559 if (appData.icsActive) {
14560 SendToICS(ics_prefix);
14561 SendToICS("rematch\n");
14568 /* Call your opponent's flag (claim a win on time) */
14569 if (appData.icsActive) {
14570 SendToICS(ics_prefix);
14571 SendToICS("flag\n");
14573 switch (gameMode) {
14576 case MachinePlaysWhite:
14579 GameEnds(GameIsDrawn, "Both players ran out of time",
14582 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14584 DisplayError(_("Your opponent is not out of time"), 0);
14587 case MachinePlaysBlack:
14590 GameEnds(GameIsDrawn, "Both players ran out of time",
14593 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14595 DisplayError(_("Your opponent is not out of time"), 0);
14603 ClockClick (int which)
14604 { // [HGM] code moved to back-end from winboard.c
14605 if(which) { // black clock
14606 if (gameMode == EditPosition || gameMode == IcsExamining) {
14607 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14608 SetBlackToPlayEvent();
14609 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14610 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14611 } else if (shiftKey) {
14612 AdjustClock(which, -1);
14613 } else if (gameMode == IcsPlayingWhite ||
14614 gameMode == MachinePlaysBlack) {
14617 } else { // white clock
14618 if (gameMode == EditPosition || gameMode == IcsExamining) {
14619 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14620 SetWhiteToPlayEvent();
14621 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14622 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14623 } else if (shiftKey) {
14624 AdjustClock(which, -1);
14625 } else if (gameMode == IcsPlayingBlack ||
14626 gameMode == MachinePlaysWhite) {
14635 /* Offer draw or accept pending draw offer from opponent */
14637 if (appData.icsActive) {
14638 /* Note: tournament rules require draw offers to be
14639 made after you make your move but before you punch
14640 your clock. Currently ICS doesn't let you do that;
14641 instead, you immediately punch your clock after making
14642 a move, but you can offer a draw at any time. */
14644 SendToICS(ics_prefix);
14645 SendToICS("draw\n");
14646 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14647 } else if (cmailMsgLoaded) {
14648 if (currentMove == cmailOldMove &&
14649 commentList[cmailOldMove] != NULL &&
14650 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14651 "Black offers a draw" : "White offers a draw")) {
14652 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14653 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14654 } else if (currentMove == cmailOldMove + 1) {
14655 char *offer = WhiteOnMove(cmailOldMove) ?
14656 "White offers a draw" : "Black offers a draw";
14657 AppendComment(currentMove, offer, TRUE);
14658 DisplayComment(currentMove - 1, offer);
14659 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14661 DisplayError(_("You must make your move before offering a draw"), 0);
14662 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14664 } else if (first.offeredDraw) {
14665 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14667 if (first.sendDrawOffers) {
14668 SendToProgram("draw\n", &first);
14669 userOfferedDraw = TRUE;
14677 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14679 if (appData.icsActive) {
14680 SendToICS(ics_prefix);
14681 SendToICS("adjourn\n");
14683 /* Currently GNU Chess doesn't offer or accept Adjourns */
14691 /* Offer Abort or accept pending Abort offer from opponent */
14693 if (appData.icsActive) {
14694 SendToICS(ics_prefix);
14695 SendToICS("abort\n");
14697 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14704 /* Resign. You can do this even if it's not your turn. */
14706 if (appData.icsActive) {
14707 SendToICS(ics_prefix);
14708 SendToICS("resign\n");
14710 switch (gameMode) {
14711 case MachinePlaysWhite:
14712 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14714 case MachinePlaysBlack:
14715 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14718 if (cmailMsgLoaded) {
14720 if (WhiteOnMove(cmailOldMove)) {
14721 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14723 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14725 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14736 StopObservingEvent ()
14738 /* Stop observing current games */
14739 SendToICS(ics_prefix);
14740 SendToICS("unobserve\n");
14744 StopExaminingEvent ()
14746 /* Stop observing current game */
14747 SendToICS(ics_prefix);
14748 SendToICS("unexamine\n");
14752 ForwardInner (int target)
14754 int limit; int oldSeekGraphUp = seekGraphUp;
14756 if (appData.debugMode)
14757 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14758 target, currentMove, forwardMostMove);
14760 if (gameMode == EditPosition)
14763 seekGraphUp = FALSE;
14764 MarkTargetSquares(1);
14766 if (gameMode == PlayFromGameFile && !pausing)
14769 if (gameMode == IcsExamining && pausing)
14770 limit = pauseExamForwardMostMove;
14772 limit = forwardMostMove;
14774 if (target > limit) target = limit;
14776 if (target > 0 && moveList[target - 1][0]) {
14777 int fromX, fromY, toX, toY;
14778 toX = moveList[target - 1][2] - AAA;
14779 toY = moveList[target - 1][3] - ONE;
14780 if (moveList[target - 1][1] == '@') {
14781 if (appData.highlightLastMove) {
14782 SetHighlights(-1, -1, toX, toY);
14785 fromX = moveList[target - 1][0] - AAA;
14786 fromY = moveList[target - 1][1] - ONE;
14787 if (target == currentMove + 1) {
14788 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14790 if (appData.highlightLastMove) {
14791 SetHighlights(fromX, fromY, toX, toY);
14795 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14796 gameMode == Training || gameMode == PlayFromGameFile ||
14797 gameMode == AnalyzeFile) {
14798 while (currentMove < target) {
14799 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14800 SendMoveToProgram(currentMove++, &first);
14803 currentMove = target;
14806 if (gameMode == EditGame || gameMode == EndOfGame) {
14807 whiteTimeRemaining = timeRemaining[0][currentMove];
14808 blackTimeRemaining = timeRemaining[1][currentMove];
14810 DisplayBothClocks();
14811 DisplayMove(currentMove - 1);
14812 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14813 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14814 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14815 DisplayComment(currentMove - 1, commentList[currentMove]);
14817 ClearMap(); // [HGM] exclude: invalidate map
14824 if (gameMode == IcsExamining && !pausing) {
14825 SendToICS(ics_prefix);
14826 SendToICS("forward\n");
14828 ForwardInner(currentMove + 1);
14835 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14836 /* to optimze, we temporarily turn off analysis mode while we feed
14837 * the remaining moves to the engine. Otherwise we get analysis output
14840 if (first.analysisSupport) {
14841 SendToProgram("exit\nforce\n", &first);
14842 first.analyzing = FALSE;
14846 if (gameMode == IcsExamining && !pausing) {
14847 SendToICS(ics_prefix);
14848 SendToICS("forward 999999\n");
14850 ForwardInner(forwardMostMove);
14853 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14854 /* we have fed all the moves, so reactivate analysis mode */
14855 SendToProgram("analyze\n", &first);
14856 first.analyzing = TRUE;
14857 /*first.maybeThinking = TRUE;*/
14858 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14863 BackwardInner (int target)
14865 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14867 if (appData.debugMode)
14868 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14869 target, currentMove, forwardMostMove);
14871 if (gameMode == EditPosition) return;
14872 seekGraphUp = FALSE;
14873 MarkTargetSquares(1);
14874 if (currentMove <= backwardMostMove) {
14876 DrawPosition(full_redraw, boards[currentMove]);
14879 if (gameMode == PlayFromGameFile && !pausing)
14882 if (moveList[target][0]) {
14883 int fromX, fromY, toX, toY;
14884 toX = moveList[target][2] - AAA;
14885 toY = moveList[target][3] - ONE;
14886 if (moveList[target][1] == '@') {
14887 if (appData.highlightLastMove) {
14888 SetHighlights(-1, -1, toX, toY);
14891 fromX = moveList[target][0] - AAA;
14892 fromY = moveList[target][1] - ONE;
14893 if (target == currentMove - 1) {
14894 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14896 if (appData.highlightLastMove) {
14897 SetHighlights(fromX, fromY, toX, toY);
14901 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14902 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14903 while (currentMove > target) {
14904 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14905 // null move cannot be undone. Reload program with move history before it.
14907 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14908 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14910 SendBoard(&first, i);
14911 if(second.analyzing) SendBoard(&second, i);
14912 for(currentMove=i; currentMove<target; currentMove++) {
14913 SendMoveToProgram(currentMove, &first);
14914 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14918 SendToBoth("undo\n");
14922 currentMove = target;
14925 if (gameMode == EditGame || gameMode == EndOfGame) {
14926 whiteTimeRemaining = timeRemaining[0][currentMove];
14927 blackTimeRemaining = timeRemaining[1][currentMove];
14929 DisplayBothClocks();
14930 DisplayMove(currentMove - 1);
14931 DrawPosition(full_redraw, boards[currentMove]);
14932 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14933 // [HGM] PV info: routine tests if comment empty
14934 DisplayComment(currentMove - 1, commentList[currentMove]);
14935 ClearMap(); // [HGM] exclude: invalidate map
14941 if (gameMode == IcsExamining && !pausing) {
14942 SendToICS(ics_prefix);
14943 SendToICS("backward\n");
14945 BackwardInner(currentMove - 1);
14952 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14953 /* to optimize, we temporarily turn off analysis mode while we undo
14954 * all the moves. Otherwise we get analysis output after each undo.
14956 if (first.analysisSupport) {
14957 SendToProgram("exit\nforce\n", &first);
14958 first.analyzing = FALSE;
14962 if (gameMode == IcsExamining && !pausing) {
14963 SendToICS(ics_prefix);
14964 SendToICS("backward 999999\n");
14966 BackwardInner(backwardMostMove);
14969 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14970 /* we have fed all the moves, so reactivate analysis mode */
14971 SendToProgram("analyze\n", &first);
14972 first.analyzing = TRUE;
14973 /*first.maybeThinking = TRUE;*/
14974 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14981 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14982 if (to >= forwardMostMove) to = forwardMostMove;
14983 if (to <= backwardMostMove) to = backwardMostMove;
14984 if (to < currentMove) {
14992 RevertEvent (Boolean annotate)
14994 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14997 if (gameMode != IcsExamining) {
14998 DisplayError(_("You are not examining a game"), 0);
15002 DisplayError(_("You can't revert while pausing"), 0);
15005 SendToICS(ics_prefix);
15006 SendToICS("revert\n");
15010 RetractMoveEvent ()
15012 switch (gameMode) {
15013 case MachinePlaysWhite:
15014 case MachinePlaysBlack:
15015 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15016 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15019 if (forwardMostMove < 2) return;
15020 currentMove = forwardMostMove = forwardMostMove - 2;
15021 whiteTimeRemaining = timeRemaining[0][currentMove];
15022 blackTimeRemaining = timeRemaining[1][currentMove];
15023 DisplayBothClocks();
15024 DisplayMove(currentMove - 1);
15025 ClearHighlights();/*!! could figure this out*/
15026 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15027 SendToProgram("remove\n", &first);
15028 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15031 case BeginningOfGame:
15035 case IcsPlayingWhite:
15036 case IcsPlayingBlack:
15037 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15038 SendToICS(ics_prefix);
15039 SendToICS("takeback 2\n");
15041 SendToICS(ics_prefix);
15042 SendToICS("takeback 1\n");
15051 ChessProgramState *cps;
15053 switch (gameMode) {
15054 case MachinePlaysWhite:
15055 if (!WhiteOnMove(forwardMostMove)) {
15056 DisplayError(_("It is your turn"), 0);
15061 case MachinePlaysBlack:
15062 if (WhiteOnMove(forwardMostMove)) {
15063 DisplayError(_("It is your turn"), 0);
15068 case TwoMachinesPlay:
15069 if (WhiteOnMove(forwardMostMove) ==
15070 (first.twoMachinesColor[0] == 'w')) {
15076 case BeginningOfGame:
15080 SendToProgram("?\n", cps);
15084 TruncateGameEvent ()
15087 if (gameMode != EditGame) return;
15094 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15095 if (forwardMostMove > currentMove) {
15096 if (gameInfo.resultDetails != NULL) {
15097 free(gameInfo.resultDetails);
15098 gameInfo.resultDetails = NULL;
15099 gameInfo.result = GameUnfinished;
15101 forwardMostMove = currentMove;
15102 HistorySet(parseList, backwardMostMove, forwardMostMove,
15110 if (appData.noChessProgram) return;
15111 switch (gameMode) {
15112 case MachinePlaysWhite:
15113 if (WhiteOnMove(forwardMostMove)) {
15114 DisplayError(_("Wait until your turn"), 0);
15118 case BeginningOfGame:
15119 case MachinePlaysBlack:
15120 if (!WhiteOnMove(forwardMostMove)) {
15121 DisplayError(_("Wait until your turn"), 0);
15126 DisplayError(_("No hint available"), 0);
15129 SendToProgram("hint\n", &first);
15130 hintRequested = TRUE;
15136 ListGame * lg = (ListGame *) gameList.head;
15139 static int secondTime = FALSE;
15141 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15142 DisplayError(_("Game list not loaded or empty"), 0);
15146 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15149 DisplayNote(_("Book file exists! Try again for overwrite."));
15153 creatingBook = TRUE;
15154 secondTime = FALSE;
15156 /* Get list size */
15157 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15158 LoadGame(f, nItem, "", TRUE);
15159 AddGameToBook(TRUE);
15160 lg = (ListGame *) lg->node.succ;
15163 creatingBook = FALSE;
15170 if (appData.noChessProgram) return;
15171 switch (gameMode) {
15172 case MachinePlaysWhite:
15173 if (WhiteOnMove(forwardMostMove)) {
15174 DisplayError(_("Wait until your turn"), 0);
15178 case BeginningOfGame:
15179 case MachinePlaysBlack:
15180 if (!WhiteOnMove(forwardMostMove)) {
15181 DisplayError(_("Wait until your turn"), 0);
15186 EditPositionDone(TRUE);
15188 case TwoMachinesPlay:
15193 SendToProgram("bk\n", &first);
15194 bookOutput[0] = NULLCHAR;
15195 bookRequested = TRUE;
15201 char *tags = PGNTags(&gameInfo);
15202 TagsPopUp(tags, CmailMsg());
15206 /* end button procedures */
15209 PrintPosition (FILE *fp, int move)
15213 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15214 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15215 char c = PieceToChar(boards[move][i][j]);
15216 fputc(c == 'x' ? '.' : c, fp);
15217 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15220 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15221 fprintf(fp, "white to play\n");
15223 fprintf(fp, "black to play\n");
15227 PrintOpponents (FILE *fp)
15229 if (gameInfo.white != NULL) {
15230 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15236 /* Find last component of program's own name, using some heuristics */
15238 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15241 int local = (strcmp(host, "localhost") == 0);
15242 while (!local && (p = strchr(prog, ';')) != NULL) {
15244 while (*p == ' ') p++;
15247 if (*prog == '"' || *prog == '\'') {
15248 q = strchr(prog + 1, *prog);
15250 q = strchr(prog, ' ');
15252 if (q == NULL) q = prog + strlen(prog);
15254 while (p >= prog && *p != '/' && *p != '\\') p--;
15256 if(p == prog && *p == '"') p++;
15258 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15259 memcpy(buf, p, q - p);
15260 buf[q - p] = NULLCHAR;
15268 TimeControlTagValue ()
15271 if (!appData.clockMode) {
15272 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15273 } else if (movesPerSession > 0) {
15274 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15275 } else if (timeIncrement == 0) {
15276 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15278 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15280 return StrSave(buf);
15286 /* This routine is used only for certain modes */
15287 VariantClass v = gameInfo.variant;
15288 ChessMove r = GameUnfinished;
15291 if(keepInfo) return;
15293 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15294 r = gameInfo.result;
15295 p = gameInfo.resultDetails;
15296 gameInfo.resultDetails = NULL;
15298 ClearGameInfo(&gameInfo);
15299 gameInfo.variant = v;
15301 switch (gameMode) {
15302 case MachinePlaysWhite:
15303 gameInfo.event = StrSave( appData.pgnEventHeader );
15304 gameInfo.site = StrSave(HostName());
15305 gameInfo.date = PGNDate();
15306 gameInfo.round = StrSave("-");
15307 gameInfo.white = StrSave(first.tidy);
15308 gameInfo.black = StrSave(UserName());
15309 gameInfo.timeControl = TimeControlTagValue();
15312 case MachinePlaysBlack:
15313 gameInfo.event = StrSave( appData.pgnEventHeader );
15314 gameInfo.site = StrSave(HostName());
15315 gameInfo.date = PGNDate();
15316 gameInfo.round = StrSave("-");
15317 gameInfo.white = StrSave(UserName());
15318 gameInfo.black = StrSave(first.tidy);
15319 gameInfo.timeControl = TimeControlTagValue();
15322 case TwoMachinesPlay:
15323 gameInfo.event = StrSave( appData.pgnEventHeader );
15324 gameInfo.site = StrSave(HostName());
15325 gameInfo.date = PGNDate();
15328 snprintf(buf, MSG_SIZ, "%d", roundNr);
15329 gameInfo.round = StrSave(buf);
15331 gameInfo.round = StrSave("-");
15333 if (first.twoMachinesColor[0] == 'w') {
15334 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15335 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15337 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15338 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15340 gameInfo.timeControl = TimeControlTagValue();
15344 gameInfo.event = StrSave("Edited game");
15345 gameInfo.site = StrSave(HostName());
15346 gameInfo.date = PGNDate();
15347 gameInfo.round = StrSave("-");
15348 gameInfo.white = StrSave("-");
15349 gameInfo.black = StrSave("-");
15350 gameInfo.result = r;
15351 gameInfo.resultDetails = p;
15355 gameInfo.event = StrSave("Edited position");
15356 gameInfo.site = StrSave(HostName());
15357 gameInfo.date = PGNDate();
15358 gameInfo.round = StrSave("-");
15359 gameInfo.white = StrSave("-");
15360 gameInfo.black = StrSave("-");
15363 case IcsPlayingWhite:
15364 case IcsPlayingBlack:
15369 case PlayFromGameFile:
15370 gameInfo.event = StrSave("Game from non-PGN file");
15371 gameInfo.site = StrSave(HostName());
15372 gameInfo.date = PGNDate();
15373 gameInfo.round = StrSave("-");
15374 gameInfo.white = StrSave("?");
15375 gameInfo.black = StrSave("?");
15384 ReplaceComment (int index, char *text)
15390 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15391 pvInfoList[index-1].depth == len &&
15392 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15393 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15394 while (*text == '\n') text++;
15395 len = strlen(text);
15396 while (len > 0 && text[len - 1] == '\n') len--;
15398 if (commentList[index] != NULL)
15399 free(commentList[index]);
15402 commentList[index] = NULL;
15405 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15406 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15407 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15408 commentList[index] = (char *) malloc(len + 2);
15409 strncpy(commentList[index], text, len);
15410 commentList[index][len] = '\n';
15411 commentList[index][len + 1] = NULLCHAR;
15413 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15415 commentList[index] = (char *) malloc(len + 7);
15416 safeStrCpy(commentList[index], "{\n", 3);
15417 safeStrCpy(commentList[index]+2, text, len+1);
15418 commentList[index][len+2] = NULLCHAR;
15419 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15420 strcat(commentList[index], "\n}\n");
15425 CrushCRs (char *text)
15433 if (ch == '\r') continue;
15435 } while (ch != '\0');
15439 AppendComment (int index, char *text, Boolean addBraces)
15440 /* addBraces tells if we should add {} */
15445 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15446 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15449 while (*text == '\n') text++;
15450 len = strlen(text);
15451 while (len > 0 && text[len - 1] == '\n') len--;
15452 text[len] = NULLCHAR;
15454 if (len == 0) return;
15456 if (commentList[index] != NULL) {
15457 Boolean addClosingBrace = addBraces;
15458 old = commentList[index];
15459 oldlen = strlen(old);
15460 while(commentList[index][oldlen-1] == '\n')
15461 commentList[index][--oldlen] = NULLCHAR;
15462 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15463 safeStrCpy(commentList[index], old, oldlen + len + 6);
15465 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15466 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15467 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15468 while (*text == '\n') { text++; len--; }
15469 commentList[index][--oldlen] = NULLCHAR;
15471 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15472 else strcat(commentList[index], "\n");
15473 strcat(commentList[index], text);
15474 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15475 else strcat(commentList[index], "\n");
15477 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15479 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15480 else commentList[index][0] = NULLCHAR;
15481 strcat(commentList[index], text);
15482 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15483 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15488 FindStr (char * text, char * sub_text)
15490 char * result = strstr( text, sub_text );
15492 if( result != NULL ) {
15493 result += strlen( sub_text );
15499 /* [AS] Try to extract PV info from PGN comment */
15500 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15502 GetInfoFromComment (int index, char * text)
15504 char * sep = text, *p;
15506 if( text != NULL && index > 0 ) {
15509 int time = -1, sec = 0, deci;
15510 char * s_eval = FindStr( text, "[%eval " );
15511 char * s_emt = FindStr( text, "[%emt " );
15513 if( s_eval != NULL || s_emt != NULL ) {
15517 if( s_eval != NULL ) {
15518 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15522 if( delim != ']' ) {
15527 if( s_emt != NULL ) {
15532 /* We expect something like: [+|-]nnn.nn/dd */
15535 if(*text != '{') return text; // [HGM] braces: must be normal comment
15537 sep = strchr( text, '/' );
15538 if( sep == NULL || sep < (text+4) ) {
15543 if(p[1] == '(') { // comment starts with PV
15544 p = strchr(p, ')'); // locate end of PV
15545 if(p == NULL || sep < p+5) return text;
15546 // at this point we have something like "{(.*) +0.23/6 ..."
15547 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15548 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15549 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15551 time = -1; sec = -1; deci = -1;
15552 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15553 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15554 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15555 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15559 if( score_lo < 0 || score_lo >= 100 ) {
15563 if(sec >= 0) time = 600*time + 10*sec; else
15564 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15566 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15568 /* [HGM] PV time: now locate end of PV info */
15569 while( *++sep >= '0' && *sep <= '9'); // strip depth
15571 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15573 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15575 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15576 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15587 pvInfoList[index-1].depth = depth;
15588 pvInfoList[index-1].score = score;
15589 pvInfoList[index-1].time = 10*time; // centi-sec
15590 if(*sep == '}') *sep = 0; else *--sep = '{';
15591 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15597 SendToProgram (char *message, ChessProgramState *cps)
15599 int count, outCount, error;
15602 if (cps->pr == NoProc) return;
15605 if (appData.debugMode) {
15608 fprintf(debugFP, "%ld >%-6s: %s",
15609 SubtractTimeMarks(&now, &programStartTime),
15610 cps->which, message);
15612 fprintf(serverFP, "%ld >%-6s: %s",
15613 SubtractTimeMarks(&now, &programStartTime),
15614 cps->which, message), fflush(serverFP);
15617 count = strlen(message);
15618 outCount = OutputToProcess(cps->pr, message, count, &error);
15619 if (outCount < count && !exiting
15620 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15621 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15622 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15623 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15624 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15625 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15626 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15627 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15629 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15630 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15631 gameInfo.result = res;
15633 gameInfo.resultDetails = StrSave(buf);
15635 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15636 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15641 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15645 ChessProgramState *cps = (ChessProgramState *)closure;
15647 if (isr != cps->isr) return; /* Killed intentionally */
15650 RemoveInputSource(cps->isr);
15651 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15652 _(cps->which), cps->program);
15653 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15654 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15655 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15656 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15657 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15658 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15660 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15661 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15662 gameInfo.result = res;
15664 gameInfo.resultDetails = StrSave(buf);
15666 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15667 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15669 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15670 _(cps->which), cps->program);
15671 RemoveInputSource(cps->isr);
15673 /* [AS] Program is misbehaving badly... kill it */
15674 if( count == -2 ) {
15675 DestroyChildProcess( cps->pr, 9 );
15679 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15684 if ((end_str = strchr(message, '\r')) != NULL)
15685 *end_str = NULLCHAR;
15686 if ((end_str = strchr(message, '\n')) != NULL)
15687 *end_str = NULLCHAR;
15689 if (appData.debugMode) {
15690 TimeMark now; int print = 1;
15691 char *quote = ""; char c; int i;
15693 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15694 char start = message[0];
15695 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15696 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15697 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15698 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15699 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15700 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15701 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15702 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15703 sscanf(message, "hint: %c", &c)!=1 &&
15704 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15705 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15706 print = (appData.engineComments >= 2);
15708 message[0] = start; // restore original message
15712 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15713 SubtractTimeMarks(&now, &programStartTime), cps->which,
15717 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15718 SubtractTimeMarks(&now, &programStartTime), cps->which,
15720 message), fflush(serverFP);
15724 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15725 if (appData.icsEngineAnalyze) {
15726 if (strstr(message, "whisper") != NULL ||
15727 strstr(message, "kibitz") != NULL ||
15728 strstr(message, "tellics") != NULL) return;
15731 HandleMachineMove(message, cps);
15736 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15741 if( timeControl_2 > 0 ) {
15742 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15743 tc = timeControl_2;
15746 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15747 inc /= cps->timeOdds;
15748 st /= cps->timeOdds;
15750 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15753 /* Set exact time per move, normally using st command */
15754 if (cps->stKludge) {
15755 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15757 if (seconds == 0) {
15758 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15760 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15763 snprintf(buf, MSG_SIZ, "st %d\n", st);
15766 /* Set conventional or incremental time control, using level command */
15767 if (seconds == 0) {
15768 /* Note old gnuchess bug -- minutes:seconds used to not work.
15769 Fixed in later versions, but still avoid :seconds
15770 when seconds is 0. */
15771 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15773 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15774 seconds, inc/1000.);
15777 SendToProgram(buf, cps);
15779 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15780 /* Orthogonally, limit search to given depth */
15782 if (cps->sdKludge) {
15783 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15785 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15787 SendToProgram(buf, cps);
15790 if(cps->nps >= 0) { /* [HGM] nps */
15791 if(cps->supportsNPS == FALSE)
15792 cps->nps = -1; // don't use if engine explicitly says not supported!
15794 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15795 SendToProgram(buf, cps);
15800 ChessProgramState *
15802 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15804 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15805 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15811 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15813 char message[MSG_SIZ];
15816 /* Note: this routine must be called when the clocks are stopped
15817 or when they have *just* been set or switched; otherwise
15818 it will be off by the time since the current tick started.
15820 if (machineWhite) {
15821 time = whiteTimeRemaining / 10;
15822 otime = blackTimeRemaining / 10;
15824 time = blackTimeRemaining / 10;
15825 otime = whiteTimeRemaining / 10;
15827 /* [HGM] translate opponent's time by time-odds factor */
15828 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15830 if (time <= 0) time = 1;
15831 if (otime <= 0) otime = 1;
15833 snprintf(message, MSG_SIZ, "time %ld\n", time);
15834 SendToProgram(message, cps);
15836 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15837 SendToProgram(message, cps);
15841 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15844 int len = strlen(name);
15847 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15849 sscanf(*p, "%d", &val);
15851 while (**p && **p != ' ')
15853 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15854 SendToProgram(buf, cps);
15861 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15864 int len = strlen(name);
15865 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15867 sscanf(*p, "%d", loc);
15868 while (**p && **p != ' ') (*p)++;
15869 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15870 SendToProgram(buf, cps);
15877 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15880 int len = strlen(name);
15881 if (strncmp((*p), name, len) == 0
15882 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15884 sscanf(*p, "%[^\"]", loc);
15885 while (**p && **p != '\"') (*p)++;
15886 if (**p == '\"') (*p)++;
15887 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15888 SendToProgram(buf, cps);
15895 ParseOption (Option *opt, ChessProgramState *cps)
15896 // [HGM] options: process the string that defines an engine option, and determine
15897 // name, type, default value, and allowed value range
15899 char *p, *q, buf[MSG_SIZ];
15900 int n, min = (-1)<<31, max = 1<<31, def;
15902 if(p = strstr(opt->name, " -spin ")) {
15903 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15904 if(max < min) max = min; // enforce consistency
15905 if(def < min) def = min;
15906 if(def > max) def = max;
15911 } else if((p = strstr(opt->name, " -slider "))) {
15912 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15913 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15914 if(max < min) max = min; // enforce consistency
15915 if(def < min) def = min;
15916 if(def > max) def = max;
15920 opt->type = Spin; // Slider;
15921 } else if((p = strstr(opt->name, " -string "))) {
15922 opt->textValue = p+9;
15923 opt->type = TextBox;
15924 } else if((p = strstr(opt->name, " -file "))) {
15925 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15926 opt->textValue = p+7;
15927 opt->type = FileName; // FileName;
15928 } else if((p = strstr(opt->name, " -path "))) {
15929 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15930 opt->textValue = p+7;
15931 opt->type = PathName; // PathName;
15932 } else if(p = strstr(opt->name, " -check ")) {
15933 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15934 opt->value = (def != 0);
15935 opt->type = CheckBox;
15936 } else if(p = strstr(opt->name, " -combo ")) {
15937 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15938 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15939 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15940 opt->value = n = 0;
15941 while(q = StrStr(q, " /// ")) {
15942 n++; *q = 0; // count choices, and null-terminate each of them
15944 if(*q == '*') { // remember default, which is marked with * prefix
15948 cps->comboList[cps->comboCnt++] = q;
15950 cps->comboList[cps->comboCnt++] = NULL;
15952 opt->type = ComboBox;
15953 } else if(p = strstr(opt->name, " -button")) {
15954 opt->type = Button;
15955 } else if(p = strstr(opt->name, " -save")) {
15956 opt->type = SaveButton;
15957 } else return FALSE;
15958 *p = 0; // terminate option name
15959 // now look if the command-line options define a setting for this engine option.
15960 if(cps->optionSettings && cps->optionSettings[0])
15961 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15962 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15963 snprintf(buf, MSG_SIZ, "option %s", p);
15964 if(p = strstr(buf, ",")) *p = 0;
15965 if(q = strchr(buf, '=')) switch(opt->type) {
15967 for(n=0; n<opt->max; n++)
15968 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15971 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15975 opt->value = atoi(q+1);
15980 SendToProgram(buf, cps);
15986 FeatureDone (ChessProgramState *cps, int val)
15988 DelayedEventCallback cb = GetDelayedEvent();
15989 if ((cb == InitBackEnd3 && cps == &first) ||
15990 (cb == SettingsMenuIfReady && cps == &second) ||
15991 (cb == LoadEngine) ||
15992 (cb == TwoMachinesEventIfReady)) {
15993 CancelDelayedEvent();
15994 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15996 cps->initDone = val;
15999 /* Parse feature command from engine */
16001 ParseFeatures (char *args, ChessProgramState *cps)
16009 while (*p == ' ') p++;
16010 if (*p == NULLCHAR) return;
16012 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16013 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16014 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16015 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16016 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16017 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16018 if (BoolFeature(&p, "reuse", &val, cps)) {
16019 /* Engine can disable reuse, but can't enable it if user said no */
16020 if (!val) cps->reuse = FALSE;
16023 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16024 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16025 if (gameMode == TwoMachinesPlay) {
16026 DisplayTwoMachinesTitle();
16032 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16033 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16034 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16035 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16036 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16037 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16038 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16039 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16040 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16041 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16042 if (IntFeature(&p, "done", &val, cps)) {
16043 FeatureDone(cps, val);
16046 /* Added by Tord: */
16047 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16048 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16049 /* End of additions by Tord */
16051 /* [HGM] added features: */
16052 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16053 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16054 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16055 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16056 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16057 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16058 if (StringFeature(&p, "option", buf, cps)) {
16059 FREE(cps->option[cps->nrOptions].name);
16060 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16061 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16062 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16063 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16064 SendToProgram(buf, cps);
16067 if(cps->nrOptions >= MAX_OPTIONS) {
16069 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16070 DisplayError(buf, 0);
16074 /* End of additions by HGM */
16076 /* unknown feature: complain and skip */
16078 while (*q && *q != '=') q++;
16079 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16080 SendToProgram(buf, cps);
16086 while (*p && *p != '\"') p++;
16087 if (*p == '\"') p++;
16089 while (*p && *p != ' ') p++;
16097 PeriodicUpdatesEvent (int newState)
16099 if (newState == appData.periodicUpdates)
16102 appData.periodicUpdates=newState;
16104 /* Display type changes, so update it now */
16105 // DisplayAnalysis();
16107 /* Get the ball rolling again... */
16109 AnalysisPeriodicEvent(1);
16110 StartAnalysisClock();
16115 PonderNextMoveEvent (int newState)
16117 if (newState == appData.ponderNextMove) return;
16118 if (gameMode == EditPosition) EditPositionDone(TRUE);
16120 SendToProgram("hard\n", &first);
16121 if (gameMode == TwoMachinesPlay) {
16122 SendToProgram("hard\n", &second);
16125 SendToProgram("easy\n", &first);
16126 thinkOutput[0] = NULLCHAR;
16127 if (gameMode == TwoMachinesPlay) {
16128 SendToProgram("easy\n", &second);
16131 appData.ponderNextMove = newState;
16135 NewSettingEvent (int option, int *feature, char *command, int value)
16139 if (gameMode == EditPosition) EditPositionDone(TRUE);
16140 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16141 if(feature == NULL || *feature) SendToProgram(buf, &first);
16142 if (gameMode == TwoMachinesPlay) {
16143 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16148 ShowThinkingEvent ()
16149 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16151 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16152 int newState = appData.showThinking
16153 // [HGM] thinking: other features now need thinking output as well
16154 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16156 if (oldState == newState) return;
16157 oldState = newState;
16158 if (gameMode == EditPosition) EditPositionDone(TRUE);
16160 SendToProgram("post\n", &first);
16161 if (gameMode == TwoMachinesPlay) {
16162 SendToProgram("post\n", &second);
16165 SendToProgram("nopost\n", &first);
16166 thinkOutput[0] = NULLCHAR;
16167 if (gameMode == TwoMachinesPlay) {
16168 SendToProgram("nopost\n", &second);
16171 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16175 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16177 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16178 if (pr == NoProc) return;
16179 AskQuestion(title, question, replyPrefix, pr);
16183 TypeInEvent (char firstChar)
16185 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16186 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16187 gameMode == AnalyzeMode || gameMode == EditGame ||
16188 gameMode == EditPosition || gameMode == IcsExamining ||
16189 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16190 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16191 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16192 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16193 gameMode == Training) PopUpMoveDialog(firstChar);
16197 TypeInDoneEvent (char *move)
16200 int n, fromX, fromY, toX, toY;
16202 ChessMove moveType;
16205 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16206 EditPositionPasteFEN(move);
16209 // [HGM] movenum: allow move number to be typed in any mode
16210 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16214 // undocumented kludge: allow command-line option to be typed in!
16215 // (potentially fatal, and does not implement the effect of the option.)
16216 // should only be used for options that are values on which future decisions will be made,
16217 // and definitely not on options that would be used during initialization.
16218 if(strstr(move, "!!! -") == move) {
16219 ParseArgsFromString(move+4);
16223 if (gameMode != EditGame && currentMove != forwardMostMove &&
16224 gameMode != Training) {
16225 DisplayMoveError(_("Displayed move is not current"));
16227 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16228 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16229 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16230 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16231 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16232 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16234 DisplayMoveError(_("Could not parse move"));
16240 DisplayMove (int moveNumber)
16242 char message[MSG_SIZ];
16244 char cpThinkOutput[MSG_SIZ];
16246 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16248 if (moveNumber == forwardMostMove - 1 ||
16249 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16251 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16253 if (strchr(cpThinkOutput, '\n')) {
16254 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16257 *cpThinkOutput = NULLCHAR;
16260 /* [AS] Hide thinking from human user */
16261 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16262 *cpThinkOutput = NULLCHAR;
16263 if( thinkOutput[0] != NULLCHAR ) {
16266 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16267 cpThinkOutput[i] = '.';
16269 cpThinkOutput[i] = NULLCHAR;
16270 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16274 if (moveNumber == forwardMostMove - 1 &&
16275 gameInfo.resultDetails != NULL) {
16276 if (gameInfo.resultDetails[0] == NULLCHAR) {
16277 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16279 snprintf(res, MSG_SIZ, " {%s} %s",
16280 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16286 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16287 DisplayMessage(res, cpThinkOutput);
16289 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16290 WhiteOnMove(moveNumber) ? " " : ".. ",
16291 parseList[moveNumber], res);
16292 DisplayMessage(message, cpThinkOutput);
16297 DisplayComment (int moveNumber, char *text)
16299 char title[MSG_SIZ];
16301 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16302 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16304 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16305 WhiteOnMove(moveNumber) ? " " : ".. ",
16306 parseList[moveNumber]);
16308 if (text != NULL && (appData.autoDisplayComment || commentUp))
16309 CommentPopUp(title, text);
16312 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16313 * might be busy thinking or pondering. It can be omitted if your
16314 * gnuchess is configured to stop thinking immediately on any user
16315 * input. However, that gnuchess feature depends on the FIONREAD
16316 * ioctl, which does not work properly on some flavors of Unix.
16319 Attention (ChessProgramState *cps)
16322 if (!cps->useSigint) return;
16323 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16324 switch (gameMode) {
16325 case MachinePlaysWhite:
16326 case MachinePlaysBlack:
16327 case TwoMachinesPlay:
16328 case IcsPlayingWhite:
16329 case IcsPlayingBlack:
16332 /* Skip if we know it isn't thinking */
16333 if (!cps->maybeThinking) return;
16334 if (appData.debugMode)
16335 fprintf(debugFP, "Interrupting %s\n", cps->which);
16336 InterruptChildProcess(cps->pr);
16337 cps->maybeThinking = FALSE;
16342 #endif /*ATTENTION*/
16348 if (whiteTimeRemaining <= 0) {
16351 if (appData.icsActive) {
16352 if (appData.autoCallFlag &&
16353 gameMode == IcsPlayingBlack && !blackFlag) {
16354 SendToICS(ics_prefix);
16355 SendToICS("flag\n");
16359 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16361 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16362 if (appData.autoCallFlag) {
16363 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16370 if (blackTimeRemaining <= 0) {
16373 if (appData.icsActive) {
16374 if (appData.autoCallFlag &&
16375 gameMode == IcsPlayingWhite && !whiteFlag) {
16376 SendToICS(ics_prefix);
16377 SendToICS("flag\n");
16381 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16383 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16384 if (appData.autoCallFlag) {
16385 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16396 CheckTimeControl ()
16398 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16399 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16402 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16404 if ( !WhiteOnMove(forwardMostMove) ) {
16405 /* White made time control */
16406 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16407 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16408 /* [HGM] time odds: correct new time quota for time odds! */
16409 / WhitePlayer()->timeOdds;
16410 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16412 lastBlack -= blackTimeRemaining;
16413 /* Black made time control */
16414 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16415 / WhitePlayer()->other->timeOdds;
16416 lastWhite = whiteTimeRemaining;
16421 DisplayBothClocks ()
16423 int wom = gameMode == EditPosition ?
16424 !blackPlaysFirst : WhiteOnMove(currentMove);
16425 DisplayWhiteClock(whiteTimeRemaining, wom);
16426 DisplayBlackClock(blackTimeRemaining, !wom);
16430 /* Timekeeping seems to be a portability nightmare. I think everyone
16431 has ftime(), but I'm really not sure, so I'm including some ifdefs
16432 to use other calls if you don't. Clocks will be less accurate if
16433 you have neither ftime nor gettimeofday.
16436 /* VS 2008 requires the #include outside of the function */
16437 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16438 #include <sys/timeb.h>
16441 /* Get the current time as a TimeMark */
16443 GetTimeMark (TimeMark *tm)
16445 #if HAVE_GETTIMEOFDAY
16447 struct timeval timeVal;
16448 struct timezone timeZone;
16450 gettimeofday(&timeVal, &timeZone);
16451 tm->sec = (long) timeVal.tv_sec;
16452 tm->ms = (int) (timeVal.tv_usec / 1000L);
16454 #else /*!HAVE_GETTIMEOFDAY*/
16457 // include <sys/timeb.h> / moved to just above start of function
16458 struct timeb timeB;
16461 tm->sec = (long) timeB.time;
16462 tm->ms = (int) timeB.millitm;
16464 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16465 tm->sec = (long) time(NULL);
16471 /* Return the difference in milliseconds between two
16472 time marks. We assume the difference will fit in a long!
16475 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16477 return 1000L*(tm2->sec - tm1->sec) +
16478 (long) (tm2->ms - tm1->ms);
16483 * Code to manage the game clocks.
16485 * In tournament play, black starts the clock and then white makes a move.
16486 * We give the human user a slight advantage if he is playing white---the
16487 * clocks don't run until he makes his first move, so it takes zero time.
16488 * Also, we don't account for network lag, so we could get out of sync
16489 * with GNU Chess's clock -- but then, referees are always right.
16492 static TimeMark tickStartTM;
16493 static long intendedTickLength;
16496 NextTickLength (long timeRemaining)
16498 long nominalTickLength, nextTickLength;
16500 if (timeRemaining > 0L && timeRemaining <= 10000L)
16501 nominalTickLength = 100L;
16503 nominalTickLength = 1000L;
16504 nextTickLength = timeRemaining % nominalTickLength;
16505 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16507 return nextTickLength;
16510 /* Adjust clock one minute up or down */
16512 AdjustClock (Boolean which, int dir)
16514 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16515 if(which) blackTimeRemaining += 60000*dir;
16516 else whiteTimeRemaining += 60000*dir;
16517 DisplayBothClocks();
16518 adjustedClock = TRUE;
16521 /* Stop clocks and reset to a fresh time control */
16525 (void) StopClockTimer();
16526 if (appData.icsActive) {
16527 whiteTimeRemaining = blackTimeRemaining = 0;
16528 } else if (searchTime) {
16529 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16530 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16531 } else { /* [HGM] correct new time quote for time odds */
16532 whiteTC = blackTC = fullTimeControlString;
16533 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16534 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16536 if (whiteFlag || blackFlag) {
16538 whiteFlag = blackFlag = FALSE;
16540 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16541 DisplayBothClocks();
16542 adjustedClock = FALSE;
16545 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16547 /* Decrement running clock by amount of time that has passed */
16551 long timeRemaining;
16552 long lastTickLength, fudge;
16555 if (!appData.clockMode) return;
16556 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16560 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16562 /* Fudge if we woke up a little too soon */
16563 fudge = intendedTickLength - lastTickLength;
16564 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16566 if (WhiteOnMove(forwardMostMove)) {
16567 if(whiteNPS >= 0) lastTickLength = 0;
16568 timeRemaining = whiteTimeRemaining -= lastTickLength;
16569 if(timeRemaining < 0 && !appData.icsActive) {
16570 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16571 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16572 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16573 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16576 DisplayWhiteClock(whiteTimeRemaining - fudge,
16577 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16579 if(blackNPS >= 0) lastTickLength = 0;
16580 timeRemaining = blackTimeRemaining -= lastTickLength;
16581 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16582 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16584 blackStartMove = forwardMostMove;
16585 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16588 DisplayBlackClock(blackTimeRemaining - fudge,
16589 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16591 if (CheckFlags()) return;
16593 if(twoBoards) { // count down secondary board's clocks as well
16594 activePartnerTime -= lastTickLength;
16596 if(activePartner == 'W')
16597 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16599 DisplayBlackClock(activePartnerTime, TRUE);
16604 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16605 StartClockTimer(intendedTickLength);
16607 /* if the time remaining has fallen below the alarm threshold, sound the
16608 * alarm. if the alarm has sounded and (due to a takeback or time control
16609 * with increment) the time remaining has increased to a level above the
16610 * threshold, reset the alarm so it can sound again.
16613 if (appData.icsActive && appData.icsAlarm) {
16615 /* make sure we are dealing with the user's clock */
16616 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16617 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16620 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16621 alarmSounded = FALSE;
16622 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16624 alarmSounded = TRUE;
16630 /* A player has just moved, so stop the previously running
16631 clock and (if in clock mode) start the other one.
16632 We redisplay both clocks in case we're in ICS mode, because
16633 ICS gives us an update to both clocks after every move.
16634 Note that this routine is called *after* forwardMostMove
16635 is updated, so the last fractional tick must be subtracted
16636 from the color that is *not* on move now.
16639 SwitchClocks (int newMoveNr)
16641 long lastTickLength;
16643 int flagged = FALSE;
16647 if (StopClockTimer() && appData.clockMode) {
16648 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16649 if (!WhiteOnMove(forwardMostMove)) {
16650 if(blackNPS >= 0) lastTickLength = 0;
16651 blackTimeRemaining -= lastTickLength;
16652 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16653 // if(pvInfoList[forwardMostMove].time == -1)
16654 pvInfoList[forwardMostMove].time = // use GUI time
16655 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16657 if(whiteNPS >= 0) lastTickLength = 0;
16658 whiteTimeRemaining -= lastTickLength;
16659 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16660 // if(pvInfoList[forwardMostMove].time == -1)
16661 pvInfoList[forwardMostMove].time =
16662 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16664 flagged = CheckFlags();
16666 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16667 CheckTimeControl();
16669 if (flagged || !appData.clockMode) return;
16671 switch (gameMode) {
16672 case MachinePlaysBlack:
16673 case MachinePlaysWhite:
16674 case BeginningOfGame:
16675 if (pausing) return;
16679 case PlayFromGameFile:
16687 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16688 if(WhiteOnMove(forwardMostMove))
16689 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16690 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16694 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16695 whiteTimeRemaining : blackTimeRemaining);
16696 StartClockTimer(intendedTickLength);
16700 /* Stop both clocks */
16704 long lastTickLength;
16707 if (!StopClockTimer()) return;
16708 if (!appData.clockMode) return;
16712 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16713 if (WhiteOnMove(forwardMostMove)) {
16714 if(whiteNPS >= 0) lastTickLength = 0;
16715 whiteTimeRemaining -= lastTickLength;
16716 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16718 if(blackNPS >= 0) lastTickLength = 0;
16719 blackTimeRemaining -= lastTickLength;
16720 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16725 /* Start clock of player on move. Time may have been reset, so
16726 if clock is already running, stop and restart it. */
16730 (void) StopClockTimer(); /* in case it was running already */
16731 DisplayBothClocks();
16732 if (CheckFlags()) return;
16734 if (!appData.clockMode) return;
16735 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16737 GetTimeMark(&tickStartTM);
16738 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16739 whiteTimeRemaining : blackTimeRemaining);
16741 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16742 whiteNPS = blackNPS = -1;
16743 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16744 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16745 whiteNPS = first.nps;
16746 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16747 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16748 blackNPS = first.nps;
16749 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16750 whiteNPS = second.nps;
16751 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16752 blackNPS = second.nps;
16753 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16755 StartClockTimer(intendedTickLength);
16759 TimeString (long ms)
16761 long second, minute, hour, day;
16763 static char buf[32];
16765 if (ms > 0 && ms <= 9900) {
16766 /* convert milliseconds to tenths, rounding up */
16767 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16769 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16773 /* convert milliseconds to seconds, rounding up */
16774 /* use floating point to avoid strangeness of integer division
16775 with negative dividends on many machines */
16776 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16783 day = second / (60 * 60 * 24);
16784 second = second % (60 * 60 * 24);
16785 hour = second / (60 * 60);
16786 second = second % (60 * 60);
16787 minute = second / 60;
16788 second = second % 60;
16791 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16792 sign, day, hour, minute, second);
16794 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16796 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16803 * This is necessary because some C libraries aren't ANSI C compliant yet.
16806 StrStr (char *string, char *match)
16810 length = strlen(match);
16812 for (i = strlen(string) - length; i >= 0; i--, string++)
16813 if (!strncmp(match, string, length))
16820 StrCaseStr (char *string, char *match)
16824 length = strlen(match);
16826 for (i = strlen(string) - length; i >= 0; i--, string++) {
16827 for (j = 0; j < length; j++) {
16828 if (ToLower(match[j]) != ToLower(string[j]))
16831 if (j == length) return string;
16839 StrCaseCmp (char *s1, char *s2)
16844 c1 = ToLower(*s1++);
16845 c2 = ToLower(*s2++);
16846 if (c1 > c2) return 1;
16847 if (c1 < c2) return -1;
16848 if (c1 == NULLCHAR) return 0;
16856 return isupper(c) ? tolower(c) : c;
16863 return islower(c) ? toupper(c) : c;
16865 #endif /* !_amigados */
16872 if ((ret = (char *) malloc(strlen(s) + 1)))
16874 safeStrCpy(ret, s, strlen(s)+1);
16880 StrSavePtr (char *s, char **savePtr)
16885 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16886 safeStrCpy(*savePtr, s, strlen(s)+1);
16898 clock = time((time_t *)NULL);
16899 tm = localtime(&clock);
16900 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16901 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16902 return StrSave(buf);
16907 PositionToFEN (int move, char *overrideCastling)
16909 int i, j, fromX, fromY, toX, toY;
16916 whiteToPlay = (gameMode == EditPosition) ?
16917 !blackPlaysFirst : (move % 2 == 0);
16920 /* Piece placement data */
16921 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16922 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16924 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16925 if (boards[move][i][j] == EmptySquare) {
16927 } else { ChessSquare piece = boards[move][i][j];
16928 if (emptycount > 0) {
16929 if(emptycount<10) /* [HGM] can be >= 10 */
16930 *p++ = '0' + emptycount;
16931 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16934 if(PieceToChar(piece) == '+') {
16935 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16937 piece = (ChessSquare)(DEMOTED piece);
16939 *p++ = PieceToChar(piece);
16941 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16942 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16947 if (emptycount > 0) {
16948 if(emptycount<10) /* [HGM] can be >= 10 */
16949 *p++ = '0' + emptycount;
16950 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16957 /* [HGM] print Crazyhouse or Shogi holdings */
16958 if( gameInfo.holdingsWidth ) {
16959 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16961 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16962 piece = boards[move][i][BOARD_WIDTH-1];
16963 if( piece != EmptySquare )
16964 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16965 *p++ = PieceToChar(piece);
16967 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16968 piece = boards[move][BOARD_HEIGHT-i-1][0];
16969 if( piece != EmptySquare )
16970 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16971 *p++ = PieceToChar(piece);
16974 if( q == p ) *p++ = '-';
16980 *p++ = whiteToPlay ? 'w' : 'b';
16983 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16984 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16986 if(nrCastlingRights) {
16988 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16989 /* [HGM] write directly from rights */
16990 if(boards[move][CASTLING][2] != NoRights &&
16991 boards[move][CASTLING][0] != NoRights )
16992 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16993 if(boards[move][CASTLING][2] != NoRights &&
16994 boards[move][CASTLING][1] != NoRights )
16995 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16996 if(boards[move][CASTLING][5] != NoRights &&
16997 boards[move][CASTLING][3] != NoRights )
16998 *p++ = boards[move][CASTLING][3] + AAA;
16999 if(boards[move][CASTLING][5] != NoRights &&
17000 boards[move][CASTLING][4] != NoRights )
17001 *p++ = boards[move][CASTLING][4] + AAA;
17004 /* [HGM] write true castling rights */
17005 if( nrCastlingRights == 6 ) {
17007 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17008 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17009 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17010 boards[move][CASTLING][2] != NoRights );
17011 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17012 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17013 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17014 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17015 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17019 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17020 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17021 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17022 boards[move][CASTLING][5] != NoRights );
17023 if(gameInfo.variant == VariantSChess) {
17024 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17025 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17026 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17027 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17032 if (q == p) *p++ = '-'; /* No castling rights */
17036 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17037 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17038 /* En passant target square */
17039 if (move > backwardMostMove) {
17040 fromX = moveList[move - 1][0] - AAA;
17041 fromY = moveList[move - 1][1] - ONE;
17042 toX = moveList[move - 1][2] - AAA;
17043 toY = moveList[move - 1][3] - ONE;
17044 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17045 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17046 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17048 /* 2-square pawn move just happened */
17050 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17054 } else if(move == backwardMostMove) {
17055 // [HGM] perhaps we should always do it like this, and forget the above?
17056 if((signed char)boards[move][EP_STATUS] >= 0) {
17057 *p++ = boards[move][EP_STATUS] + AAA;
17058 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17069 /* [HGM] find reversible plies */
17070 { int i = 0, j=move;
17072 if (appData.debugMode) { int k;
17073 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17074 for(k=backwardMostMove; k<=forwardMostMove; k++)
17075 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17079 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17080 if( j == backwardMostMove ) i += initialRulePlies;
17081 sprintf(p, "%d ", i);
17082 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17084 /* Fullmove number */
17085 sprintf(p, "%d", (move / 2) + 1);
17087 return StrSave(buf);
17091 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17095 int emptycount, virgin[BOARD_FILES];
17100 /* [HGM] by default clear Crazyhouse holdings, if present */
17101 if(gameInfo.holdingsWidth) {
17102 for(i=0; i<BOARD_HEIGHT; i++) {
17103 board[i][0] = EmptySquare; /* black holdings */
17104 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17105 board[i][1] = (ChessSquare) 0; /* black counts */
17106 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17110 /* Piece placement data */
17111 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17114 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17115 if (*p == '/') p++;
17116 emptycount = gameInfo.boardWidth - j;
17117 while (emptycount--)
17118 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17120 #if(BOARD_FILES >= 10)
17121 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17122 p++; emptycount=10;
17123 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17124 while (emptycount--)
17125 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17127 } else if (isdigit(*p)) {
17128 emptycount = *p++ - '0';
17129 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17130 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17131 while (emptycount--)
17132 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17133 } else if (*p == '+' || isalpha(*p)) {
17134 if (j >= gameInfo.boardWidth) return FALSE;
17136 piece = CharToPiece(*++p);
17137 if(piece == EmptySquare) return FALSE; /* unknown piece */
17138 piece = (ChessSquare) (PROMOTED piece ); p++;
17139 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17140 } else piece = CharToPiece(*p++);
17142 if(piece==EmptySquare) return FALSE; /* unknown piece */
17143 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17144 piece = (ChessSquare) (PROMOTED piece);
17145 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17148 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17154 while (*p == '/' || *p == ' ') p++;
17156 /* [HGM] look for Crazyhouse holdings here */
17157 while(*p==' ') p++;
17158 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17160 if(*p == '-' ) p++; /* empty holdings */ else {
17161 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17162 /* if we would allow FEN reading to set board size, we would */
17163 /* have to add holdings and shift the board read so far here */
17164 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17166 if((int) piece >= (int) BlackPawn ) {
17167 i = (int)piece - (int)BlackPawn;
17168 i = PieceToNumber((ChessSquare)i);
17169 if( i >= gameInfo.holdingsSize ) return FALSE;
17170 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17171 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17173 i = (int)piece - (int)WhitePawn;
17174 i = PieceToNumber((ChessSquare)i);
17175 if( i >= gameInfo.holdingsSize ) return FALSE;
17176 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17177 board[i][BOARD_WIDTH-2]++; /* black holdings */
17184 while(*p == ' ') p++;
17188 if(appData.colorNickNames) {
17189 if( c == appData.colorNickNames[0] ) c = 'w'; else
17190 if( c == appData.colorNickNames[1] ) c = 'b';
17194 *blackPlaysFirst = FALSE;
17197 *blackPlaysFirst = TRUE;
17203 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17204 /* return the extra info in global variiables */
17206 /* set defaults in case FEN is incomplete */
17207 board[EP_STATUS] = EP_UNKNOWN;
17208 for(i=0; i<nrCastlingRights; i++ ) {
17209 board[CASTLING][i] =
17210 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17211 } /* assume possible unless obviously impossible */
17212 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17213 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17214 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17215 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17216 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17217 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17218 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17219 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17222 while(*p==' ') p++;
17223 if(nrCastlingRights) {
17224 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17225 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17226 /* castling indicator present, so default becomes no castlings */
17227 for(i=0; i<nrCastlingRights; i++ ) {
17228 board[CASTLING][i] = NoRights;
17231 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17232 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17233 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17234 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17235 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17237 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17238 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17239 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17241 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17242 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17243 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17244 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17245 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17246 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17249 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17250 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17251 board[CASTLING][2] = whiteKingFile;
17252 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17253 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17256 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17257 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17258 board[CASTLING][2] = whiteKingFile;
17259 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17260 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17263 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17264 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17265 board[CASTLING][5] = blackKingFile;
17266 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17267 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17270 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17271 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17272 board[CASTLING][5] = blackKingFile;
17273 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17274 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17277 default: /* FRC castlings */
17278 if(c >= 'a') { /* black rights */
17279 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17280 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17281 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17282 if(i == BOARD_RGHT) break;
17283 board[CASTLING][5] = i;
17285 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17286 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17288 board[CASTLING][3] = c;
17290 board[CASTLING][4] = c;
17291 } else { /* white rights */
17292 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17293 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17294 if(board[0][i] == WhiteKing) break;
17295 if(i == BOARD_RGHT) break;
17296 board[CASTLING][2] = i;
17297 c -= AAA - 'a' + 'A';
17298 if(board[0][c] >= WhiteKing) break;
17300 board[CASTLING][0] = c;
17302 board[CASTLING][1] = c;
17306 for(i=0; i<nrCastlingRights; i++)
17307 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17308 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17309 if (appData.debugMode) {
17310 fprintf(debugFP, "FEN castling rights:");
17311 for(i=0; i<nrCastlingRights; i++)
17312 fprintf(debugFP, " %d", board[CASTLING][i]);
17313 fprintf(debugFP, "\n");
17316 while(*p==' ') p++;
17319 /* read e.p. field in games that know e.p. capture */
17320 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17321 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17323 p++; board[EP_STATUS] = EP_NONE;
17325 char c = *p++ - AAA;
17327 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17328 if(*p >= '0' && *p <='9') p++;
17329 board[EP_STATUS] = c;
17334 if(sscanf(p, "%d", &i) == 1) {
17335 FENrulePlies = i; /* 50-move ply counter */
17336 /* (The move number is still ignored) */
17343 EditPositionPasteFEN (char *fen)
17346 Board initial_position;
17348 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17349 DisplayError(_("Bad FEN position in clipboard"), 0);
17352 int savedBlackPlaysFirst = blackPlaysFirst;
17353 EditPositionEvent();
17354 blackPlaysFirst = savedBlackPlaysFirst;
17355 CopyBoard(boards[0], initial_position);
17356 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17357 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17358 DisplayBothClocks();
17359 DrawPosition(FALSE, boards[currentMove]);
17364 static char cseq[12] = "\\ ";
17367 set_cont_sequence (char *new_seq)
17372 // handle bad attempts to set the sequence
17374 return 0; // acceptable error - no debug
17376 len = strlen(new_seq);
17377 ret = (len > 0) && (len < sizeof(cseq));
17379 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17380 else if (appData.debugMode)
17381 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17386 reformat a source message so words don't cross the width boundary. internal
17387 newlines are not removed. returns the wrapped size (no null character unless
17388 included in source message). If dest is NULL, only calculate the size required
17389 for the dest buffer. lp argument indicats line position upon entry, and it's
17390 passed back upon exit.
17393 wrap (char *dest, char *src, int count, int width, int *lp)
17395 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17397 cseq_len = strlen(cseq);
17398 old_line = line = *lp;
17399 ansi = len = clen = 0;
17401 for (i=0; i < count; i++)
17403 if (src[i] == '\033')
17406 // if we hit the width, back up
17407 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17409 // store i & len in case the word is too long
17410 old_i = i, old_len = len;
17412 // find the end of the last word
17413 while (i && src[i] != ' ' && src[i] != '\n')
17419 // word too long? restore i & len before splitting it
17420 if ((old_i-i+clen) >= width)
17427 if (i && src[i-1] == ' ')
17430 if (src[i] != ' ' && src[i] != '\n')
17437 // now append the newline and continuation sequence
17442 strncpy(dest+len, cseq, cseq_len);
17450 dest[len] = src[i];
17454 if (src[i] == '\n')
17459 if (dest && appData.debugMode)
17461 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17462 count, width, line, len, *lp);
17463 show_bytes(debugFP, src, count);
17464 fprintf(debugFP, "\ndest: ");
17465 show_bytes(debugFP, dest, len);
17466 fprintf(debugFP, "\n");
17468 *lp = dest ? line : old_line;
17473 // [HGM] vari: routines for shelving variations
17474 Boolean modeRestore = FALSE;
17477 PushInner (int firstMove, int lastMove)
17479 int i, j, nrMoves = lastMove - firstMove;
17481 // push current tail of game on stack
17482 savedResult[storedGames] = gameInfo.result;
17483 savedDetails[storedGames] = gameInfo.resultDetails;
17484 gameInfo.resultDetails = NULL;
17485 savedFirst[storedGames] = firstMove;
17486 savedLast [storedGames] = lastMove;
17487 savedFramePtr[storedGames] = framePtr;
17488 framePtr -= nrMoves; // reserve space for the boards
17489 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17490 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17491 for(j=0; j<MOVE_LEN; j++)
17492 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17493 for(j=0; j<2*MOVE_LEN; j++)
17494 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17495 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17496 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17497 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17498 pvInfoList[firstMove+i-1].depth = 0;
17499 commentList[framePtr+i] = commentList[firstMove+i];
17500 commentList[firstMove+i] = NULL;
17504 forwardMostMove = firstMove; // truncate game so we can start variation
17508 PushTail (int firstMove, int lastMove)
17510 if(appData.icsActive) { // only in local mode
17511 forwardMostMove = currentMove; // mimic old ICS behavior
17514 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17516 PushInner(firstMove, lastMove);
17517 if(storedGames == 1) GreyRevert(FALSE);
17518 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17522 PopInner (Boolean annotate)
17525 char buf[8000], moveBuf[20];
17527 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17528 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17529 nrMoves = savedLast[storedGames] - currentMove;
17532 if(!WhiteOnMove(currentMove))
17533 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17534 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17535 for(i=currentMove; i<forwardMostMove; i++) {
17537 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17538 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17539 strcat(buf, moveBuf);
17540 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17541 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17545 for(i=1; i<=nrMoves; i++) { // copy last variation back
17546 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17547 for(j=0; j<MOVE_LEN; j++)
17548 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17549 for(j=0; j<2*MOVE_LEN; j++)
17550 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17551 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17552 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17553 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17554 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17555 commentList[currentMove+i] = commentList[framePtr+i];
17556 commentList[framePtr+i] = NULL;
17558 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17559 framePtr = savedFramePtr[storedGames];
17560 gameInfo.result = savedResult[storedGames];
17561 if(gameInfo.resultDetails != NULL) {
17562 free(gameInfo.resultDetails);
17564 gameInfo.resultDetails = savedDetails[storedGames];
17565 forwardMostMove = currentMove + nrMoves;
17569 PopTail (Boolean annotate)
17571 if(appData.icsActive) return FALSE; // only in local mode
17572 if(!storedGames) return FALSE; // sanity
17573 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17575 PopInner(annotate);
17576 if(currentMove < forwardMostMove) ForwardEvent(); else
17577 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17579 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17585 { // remove all shelved variations
17587 for(i=0; i<storedGames; i++) {
17588 if(savedDetails[i])
17589 free(savedDetails[i]);
17590 savedDetails[i] = NULL;
17592 for(i=framePtr; i<MAX_MOVES; i++) {
17593 if(commentList[i]) free(commentList[i]);
17594 commentList[i] = NULL;
17596 framePtr = MAX_MOVES-1;
17601 LoadVariation (int index, char *text)
17602 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17603 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17604 int level = 0, move;
17606 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17607 // first find outermost bracketing variation
17608 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17609 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17610 if(*p == '{') wait = '}'; else
17611 if(*p == '[') wait = ']'; else
17612 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17613 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17615 if(*p == wait) wait = NULLCHAR; // closing ]} found
17618 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17619 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17620 end[1] = NULLCHAR; // clip off comment beyond variation
17621 ToNrEvent(currentMove-1);
17622 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17623 // kludge: use ParsePV() to append variation to game
17624 move = currentMove;
17625 ParsePV(start, TRUE, TRUE);
17626 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17627 ClearPremoveHighlights();
17629 ToNrEvent(currentMove+1);
17635 char *p, *q, buf[MSG_SIZ];
17636 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17637 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17638 ParseArgsFromString(buf);
17639 ActivateTheme(TRUE); // also redo colors
17643 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17646 q = appData.themeNames;
17647 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17648 if(appData.useBitmaps) {
17649 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17650 appData.liteBackTextureFile, appData.darkBackTextureFile,
17651 appData.liteBackTextureMode,
17652 appData.darkBackTextureMode );
17654 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17655 Col2Text(2), // lightSquareColor
17656 Col2Text(3) ); // darkSquareColor
17658 if(appData.useBorder) {
17659 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17662 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17664 if(appData.useFont) {
17665 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17666 appData.renderPiecesWithFont,
17667 appData.fontToPieceTable,
17668 Col2Text(9), // appData.fontBackColorWhite
17669 Col2Text(10) ); // appData.fontForeColorBlack
17671 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17672 appData.pieceDirectory);
17673 if(!appData.pieceDirectory[0])
17674 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17675 Col2Text(0), // whitePieceColor
17676 Col2Text(1) ); // blackPieceColor
17678 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17679 Col2Text(4), // highlightSquareColor
17680 Col2Text(5) ); // premoveHighlightColor
17681 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17682 if(insert != q) insert[-1] = NULLCHAR;
17683 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17686 ActivateTheme(FALSE);