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, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10068 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10070 fprintf(f, "-mps %d\n", appData.movesPerSession);
10071 fprintf(f, "-tc %s\n", appData.timeControl);
10072 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10074 fprintf(f, "-results \"%s\"\n", results);
10079 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10082 Substitute (char *participants, int expunge)
10084 int i, changed, changes=0, nPlayers=0;
10085 char *p, *q, *r, buf[MSG_SIZ];
10086 if(participants == NULL) return;
10087 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10088 r = p = participants; q = appData.participants;
10089 while(*p && *p == *q) {
10090 if(*p == '\n') r = p+1, nPlayers++;
10093 if(*p) { // difference
10094 while(*p && *p++ != '\n');
10095 while(*q && *q++ != '\n');
10096 changed = nPlayers;
10097 changes = 1 + (strcmp(p, q) != 0);
10099 if(changes == 1) { // a single engine mnemonic was changed
10100 q = r; while(*q) nPlayers += (*q++ == '\n');
10101 p = buf; while(*r && (*p = *r++) != '\n') p++;
10103 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10104 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10105 if(mnemonic[i]) { // The substitute is valid
10107 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10108 flock(fileno(f), LOCK_EX);
10109 ParseArgsFromFile(f);
10110 fseek(f, 0, SEEK_SET);
10111 FREE(appData.participants); appData.participants = participants;
10112 if(expunge) { // erase results of replaced engine
10113 int len = strlen(appData.results), w, b, dummy;
10114 for(i=0; i<len; i++) {
10115 Pairing(i, nPlayers, &w, &b, &dummy);
10116 if((w == changed || b == changed) && appData.results[i] == '*') {
10117 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10122 for(i=0; i<len; i++) {
10123 Pairing(i, nPlayers, &w, &b, &dummy);
10124 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10127 WriteTourneyFile(appData.results, f);
10128 fclose(f); // release lock
10131 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10133 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10134 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10135 free(participants);
10140 CheckPlayers (char *participants)
10143 char buf[MSG_SIZ], *p;
10144 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10145 while(p = strchr(participants, '\n')) {
10147 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10149 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10151 DisplayError(buf, 0);
10155 participants = p + 1;
10161 CreateTourney (char *name)
10164 if(matchMode && strcmp(name, appData.tourneyFile)) {
10165 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10167 if(name[0] == NULLCHAR) {
10168 if(appData.participants[0])
10169 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10172 f = fopen(name, "r");
10173 if(f) { // file exists
10174 ASSIGN(appData.tourneyFile, name);
10175 ParseArgsFromFile(f); // parse it
10177 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10178 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10179 DisplayError(_("Not enough participants"), 0);
10182 if(CheckPlayers(appData.participants)) return 0;
10183 ASSIGN(appData.tourneyFile, name);
10184 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10185 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10188 appData.noChessProgram = FALSE;
10189 appData.clockMode = TRUE;
10195 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10197 char buf[MSG_SIZ], *p, *q;
10198 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10199 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10200 skip = !all && group[0]; // if group requested, we start in skip mode
10201 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10202 p = names; q = buf; header = 0;
10203 while(*p && *p != '\n') *q++ = *p++;
10205 if(*p == '\n') p++;
10206 if(buf[0] == '#') {
10207 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10208 depth++; // we must be entering a new group
10209 if(all) continue; // suppress printing group headers when complete list requested
10211 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10213 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10214 if(engineList[i]) free(engineList[i]);
10215 engineList[i] = strdup(buf);
10216 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10217 if(engineMnemonic[i]) free(engineMnemonic[i]);
10218 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10220 sscanf(q + 8, "%s", buf + strlen(buf));
10223 engineMnemonic[i] = strdup(buf);
10226 engineList[i] = engineMnemonic[i] = NULL;
10230 // following implemented as macro to avoid type limitations
10231 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10234 SwapEngines (int n)
10235 { // swap settings for first engine and other engine (so far only some selected options)
10240 SWAP(chessProgram, p)
10242 SWAP(hasOwnBookUCI, h)
10243 SWAP(protocolVersion, h)
10245 SWAP(scoreIsAbsolute, h)
10250 SWAP(engOptions, p)
10251 SWAP(engInitString, p)
10252 SWAP(computerString, p)
10254 SWAP(fenOverride, p)
10256 SWAP(accumulateTC, h)
10261 GetEngineLine (char *s, int n)
10265 extern char *icsNames;
10266 if(!s || !*s) return 0;
10267 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10268 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10269 if(!mnemonic[i]) return 0;
10270 if(n == 11) return 1; // just testing if there was a match
10271 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10272 if(n == 1) SwapEngines(n);
10273 ParseArgsFromString(buf);
10274 if(n == 1) SwapEngines(n);
10275 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10276 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10277 ParseArgsFromString(buf);
10283 SetPlayer (int player, char *p)
10284 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10286 char buf[MSG_SIZ], *engineName;
10287 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10288 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10289 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10291 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10292 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10293 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10294 ParseArgsFromString(buf);
10300 char *recentEngines;
10303 RecentEngineEvent (int nr)
10306 // SwapEngines(1); // bump first to second
10307 // ReplaceEngine(&second, 1); // and load it there
10308 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10309 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10310 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10311 ReplaceEngine(&first, 0);
10312 FloatToFront(&appData.recentEngineList, command[n]);
10317 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10318 { // determine players from game number
10319 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10321 if(appData.tourneyType == 0) {
10322 roundsPerCycle = (nPlayers - 1) | 1;
10323 pairingsPerRound = nPlayers / 2;
10324 } else if(appData.tourneyType > 0) {
10325 roundsPerCycle = nPlayers - appData.tourneyType;
10326 pairingsPerRound = appData.tourneyType;
10328 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10329 gamesPerCycle = gamesPerRound * roundsPerCycle;
10330 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10331 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10332 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10333 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10334 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10335 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10337 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10338 if(appData.roundSync) *syncInterval = gamesPerRound;
10340 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10342 if(appData.tourneyType == 0) {
10343 if(curPairing == (nPlayers-1)/2 ) {
10344 *whitePlayer = curRound;
10345 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10347 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10348 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10349 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10350 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10352 } else if(appData.tourneyType > 1) {
10353 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10354 *whitePlayer = curRound + appData.tourneyType;
10355 } else if(appData.tourneyType > 0) {
10356 *whitePlayer = curPairing;
10357 *blackPlayer = curRound + appData.tourneyType;
10360 // take care of white/black alternation per round.
10361 // For cycles and games this is already taken care of by default, derived from matchGame!
10362 return curRound & 1;
10366 NextTourneyGame (int nr, int *swapColors)
10367 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10369 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10371 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10372 tf = fopen(appData.tourneyFile, "r");
10373 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10374 ParseArgsFromFile(tf); fclose(tf);
10375 InitTimeControls(); // TC might be altered from tourney file
10377 nPlayers = CountPlayers(appData.participants); // count participants
10378 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10379 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10382 p = q = appData.results;
10383 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10384 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10385 DisplayMessage(_("Waiting for other game(s)"),"");
10386 waitingForGame = TRUE;
10387 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10390 waitingForGame = FALSE;
10393 if(appData.tourneyType < 0) {
10394 if(nr>=0 && !pairingReceived) {
10396 if(pairing.pr == NoProc) {
10397 if(!appData.pairingEngine[0]) {
10398 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10401 StartChessProgram(&pairing); // starts the pairing engine
10403 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10404 SendToProgram(buf, &pairing);
10405 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10406 SendToProgram(buf, &pairing);
10407 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10409 pairingReceived = 0; // ... so we continue here
10411 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10412 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10413 matchGame = 1; roundNr = nr / syncInterval + 1;
10416 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10418 // redefine engines, engine dir, etc.
10419 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10420 if(first.pr == NoProc) {
10421 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10422 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10424 if(second.pr == NoProc) {
10426 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10427 SwapEngines(1); // and make that valid for second engine by swapping
10428 InitEngine(&second, 1);
10430 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10431 UpdateLogos(FALSE); // leave display to ModeHiglight()
10437 { // performs game initialization that does not invoke engines, and then tries to start the game
10438 int res, firstWhite, swapColors = 0;
10439 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10440 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
10442 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10443 if(strcmp(buf, currentDebugFile)) { // name has changed
10444 FILE *f = fopen(buf, "w");
10445 if(f) { // if opening the new file failed, just keep using the old one
10446 ASSIGN(currentDebugFile, buf);
10450 if(appData.serverFileName) {
10451 if(serverFP) fclose(serverFP);
10452 serverFP = fopen(appData.serverFileName, "w");
10453 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10454 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10458 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10459 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10460 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10461 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10462 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10463 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10464 Reset(FALSE, first.pr != NoProc);
10465 res = LoadGameOrPosition(matchGame); // setup game
10466 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10467 if(!res) return; // abort when bad game/pos file
10468 TwoMachinesEvent();
10472 UserAdjudicationEvent (int result)
10474 ChessMove gameResult = GameIsDrawn;
10477 gameResult = WhiteWins;
10479 else if( result < 0 ) {
10480 gameResult = BlackWins;
10483 if( gameMode == TwoMachinesPlay ) {
10484 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10489 // [HGM] save: calculate checksum of game to make games easily identifiable
10491 StringCheckSum (char *s)
10494 if(s==NULL) return 0;
10495 while(*s) i = i*259 + *s++;
10503 for(i=backwardMostMove; i<forwardMostMove; i++) {
10504 sum += pvInfoList[i].depth;
10505 sum += StringCheckSum(parseList[i]);
10506 sum += StringCheckSum(commentList[i]);
10509 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10510 return sum + StringCheckSum(commentList[i]);
10511 } // end of save patch
10514 GameEnds (ChessMove result, char *resultDetails, int whosays)
10516 GameMode nextGameMode;
10518 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10520 if(endingGame) return; /* [HGM] crash: forbid recursion */
10522 if(twoBoards) { // [HGM] dual: switch back to one board
10523 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10524 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10526 if (appData.debugMode) {
10527 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10528 result, resultDetails ? resultDetails : "(null)", whosays);
10531 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10533 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10535 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10536 /* If we are playing on ICS, the server decides when the
10537 game is over, but the engine can offer to draw, claim
10541 if (appData.zippyPlay && first.initDone) {
10542 if (result == GameIsDrawn) {
10543 /* In case draw still needs to be claimed */
10544 SendToICS(ics_prefix);
10545 SendToICS("draw\n");
10546 } else if (StrCaseStr(resultDetails, "resign")) {
10547 SendToICS(ics_prefix);
10548 SendToICS("resign\n");
10552 endingGame = 0; /* [HGM] crash */
10556 /* If we're loading the game from a file, stop */
10557 if (whosays == GE_FILE) {
10558 (void) StopLoadGameTimer();
10562 /* Cancel draw offers */
10563 first.offeredDraw = second.offeredDraw = 0;
10565 /* If this is an ICS game, only ICS can really say it's done;
10566 if not, anyone can. */
10567 isIcsGame = (gameMode == IcsPlayingWhite ||
10568 gameMode == IcsPlayingBlack ||
10569 gameMode == IcsObserving ||
10570 gameMode == IcsExamining);
10572 if (!isIcsGame || whosays == GE_ICS) {
10573 /* OK -- not an ICS game, or ICS said it was done */
10575 if (!isIcsGame && !appData.noChessProgram)
10576 SetUserThinkingEnables();
10578 /* [HGM] if a machine claims the game end we verify this claim */
10579 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10580 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10582 ChessMove trueResult = (ChessMove) -1;
10584 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10585 first.twoMachinesColor[0] :
10586 second.twoMachinesColor[0] ;
10588 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10589 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10590 /* [HGM] verify: engine mate claims accepted if they were flagged */
10591 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10593 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10594 /* [HGM] verify: engine mate claims accepted if they were flagged */
10595 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10597 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10598 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10601 // now verify win claims, but not in drop games, as we don't understand those yet
10602 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10603 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10604 (result == WhiteWins && claimer == 'w' ||
10605 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10606 if (appData.debugMode) {
10607 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10608 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10610 if(result != trueResult) {
10611 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10612 result = claimer == 'w' ? BlackWins : WhiteWins;
10613 resultDetails = buf;
10616 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10617 && (forwardMostMove <= backwardMostMove ||
10618 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10619 (claimer=='b')==(forwardMostMove&1))
10621 /* [HGM] verify: draws that were not flagged are false claims */
10622 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10623 result = claimer == 'w' ? BlackWins : WhiteWins;
10624 resultDetails = buf;
10626 /* (Claiming a loss is accepted no questions asked!) */
10628 /* [HGM] bare: don't allow bare King to win */
10629 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10630 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10631 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10632 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10633 && result != GameIsDrawn)
10634 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10635 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10636 int p = (signed char)boards[forwardMostMove][i][j] - color;
10637 if(p >= 0 && p <= (int)WhiteKing) k++;
10639 if (appData.debugMode) {
10640 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10641 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10644 result = GameIsDrawn;
10645 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10646 resultDetails = buf;
10652 if(serverMoves != NULL && !loadFlag) { char c = '=';
10653 if(result==WhiteWins) c = '+';
10654 if(result==BlackWins) c = '-';
10655 if(resultDetails != NULL)
10656 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10658 if (resultDetails != NULL) {
10659 gameInfo.result = result;
10660 gameInfo.resultDetails = StrSave(resultDetails);
10662 /* display last move only if game was not loaded from file */
10663 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10664 DisplayMove(currentMove - 1);
10666 if (forwardMostMove != 0) {
10667 if (gameMode != PlayFromGameFile && gameMode != EditGame
10668 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10670 if (*appData.saveGameFile != NULLCHAR) {
10671 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10672 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10674 SaveGameToFile(appData.saveGameFile, TRUE);
10675 } else if (appData.autoSaveGames) {
10678 if (*appData.savePositionFile != NULLCHAR) {
10679 SavePositionToFile(appData.savePositionFile);
10681 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10685 /* Tell program how game ended in case it is learning */
10686 /* [HGM] Moved this to after saving the PGN, just in case */
10687 /* engine died and we got here through time loss. In that */
10688 /* case we will get a fatal error writing the pipe, which */
10689 /* would otherwise lose us the PGN. */
10690 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10691 /* output during GameEnds should never be fatal anymore */
10692 if (gameMode == MachinePlaysWhite ||
10693 gameMode == MachinePlaysBlack ||
10694 gameMode == TwoMachinesPlay ||
10695 gameMode == IcsPlayingWhite ||
10696 gameMode == IcsPlayingBlack ||
10697 gameMode == BeginningOfGame) {
10699 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10701 if (first.pr != NoProc) {
10702 SendToProgram(buf, &first);
10704 if (second.pr != NoProc &&
10705 gameMode == TwoMachinesPlay) {
10706 SendToProgram(buf, &second);
10711 if (appData.icsActive) {
10712 if (appData.quietPlay &&
10713 (gameMode == IcsPlayingWhite ||
10714 gameMode == IcsPlayingBlack)) {
10715 SendToICS(ics_prefix);
10716 SendToICS("set shout 1\n");
10718 nextGameMode = IcsIdle;
10719 ics_user_moved = FALSE;
10720 /* clean up premove. It's ugly when the game has ended and the
10721 * premove highlights are still on the board.
10724 gotPremove = FALSE;
10725 ClearPremoveHighlights();
10726 DrawPosition(FALSE, boards[currentMove]);
10728 if (whosays == GE_ICS) {
10731 if (gameMode == IcsPlayingWhite)
10733 else if(gameMode == IcsPlayingBlack)
10734 PlayIcsLossSound();
10737 if (gameMode == IcsPlayingBlack)
10739 else if(gameMode == IcsPlayingWhite)
10740 PlayIcsLossSound();
10743 PlayIcsDrawSound();
10746 PlayIcsUnfinishedSound();
10749 } else if (gameMode == EditGame ||
10750 gameMode == PlayFromGameFile ||
10751 gameMode == AnalyzeMode ||
10752 gameMode == AnalyzeFile) {
10753 nextGameMode = gameMode;
10755 nextGameMode = EndOfGame;
10760 nextGameMode = gameMode;
10763 if (appData.noChessProgram) {
10764 gameMode = nextGameMode;
10766 endingGame = 0; /* [HGM] crash */
10771 /* Put first chess program into idle state */
10772 if (first.pr != NoProc &&
10773 (gameMode == MachinePlaysWhite ||
10774 gameMode == MachinePlaysBlack ||
10775 gameMode == TwoMachinesPlay ||
10776 gameMode == IcsPlayingWhite ||
10777 gameMode == IcsPlayingBlack ||
10778 gameMode == BeginningOfGame)) {
10779 SendToProgram("force\n", &first);
10780 if (first.usePing) {
10782 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10783 SendToProgram(buf, &first);
10786 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10787 /* Kill off first chess program */
10788 if (first.isr != NULL)
10789 RemoveInputSource(first.isr);
10792 if (first.pr != NoProc) {
10794 DoSleep( appData.delayBeforeQuit );
10795 SendToProgram("quit\n", &first);
10796 DoSleep( appData.delayAfterQuit );
10797 DestroyChildProcess(first.pr, first.useSigterm);
10801 if (second.reuse) {
10802 /* Put second chess program into idle state */
10803 if (second.pr != NoProc &&
10804 gameMode == TwoMachinesPlay) {
10805 SendToProgram("force\n", &second);
10806 if (second.usePing) {
10808 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10809 SendToProgram(buf, &second);
10812 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10813 /* Kill off second chess program */
10814 if (second.isr != NULL)
10815 RemoveInputSource(second.isr);
10818 if (second.pr != NoProc) {
10819 DoSleep( appData.delayBeforeQuit );
10820 SendToProgram("quit\n", &second);
10821 DoSleep( appData.delayAfterQuit );
10822 DestroyChildProcess(second.pr, second.useSigterm);
10824 second.pr = NoProc;
10827 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10828 char resChar = '=';
10832 if (first.twoMachinesColor[0] == 'w') {
10835 second.matchWins++;
10840 if (first.twoMachinesColor[0] == 'b') {
10843 second.matchWins++;
10846 case GameUnfinished:
10852 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10853 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10854 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10855 ReserveGame(nextGame, resChar); // sets nextGame
10856 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10857 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10858 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10860 if (nextGame <= appData.matchGames && !abortMatch) {
10861 gameMode = nextGameMode;
10862 matchGame = nextGame; // this will be overruled in tourney mode!
10863 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10864 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10865 endingGame = 0; /* [HGM] crash */
10868 gameMode = nextGameMode;
10869 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10870 first.tidy, second.tidy,
10871 first.matchWins, second.matchWins,
10872 appData.matchGames - (first.matchWins + second.matchWins));
10873 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10874 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10875 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10876 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10877 first.twoMachinesColor = "black\n";
10878 second.twoMachinesColor = "white\n";
10880 first.twoMachinesColor = "white\n";
10881 second.twoMachinesColor = "black\n";
10885 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10886 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10888 gameMode = nextGameMode;
10890 endingGame = 0; /* [HGM] crash */
10891 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10892 if(matchMode == TRUE) { // match through command line: exit with or without popup
10894 ToNrEvent(forwardMostMove);
10895 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10897 } else DisplayFatalError(buf, 0, 0);
10898 } else { // match through menu; just stop, with or without popup
10899 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10902 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10903 } else DisplayNote(buf);
10905 if(ranking) free(ranking);
10909 /* Assumes program was just initialized (initString sent).
10910 Leaves program in force mode. */
10912 FeedMovesToProgram (ChessProgramState *cps, int upto)
10916 if (appData.debugMode)
10917 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10918 startedFromSetupPosition ? "position and " : "",
10919 backwardMostMove, upto, cps->which);
10920 if(currentlyInitializedVariant != gameInfo.variant) {
10922 // [HGM] variantswitch: make engine aware of new variant
10923 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10924 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10925 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10926 SendToProgram(buf, cps);
10927 currentlyInitializedVariant = gameInfo.variant;
10929 SendToProgram("force\n", cps);
10930 if (startedFromSetupPosition) {
10931 SendBoard(cps, backwardMostMove);
10932 if (appData.debugMode) {
10933 fprintf(debugFP, "feedMoves\n");
10936 for (i = backwardMostMove; i < upto; i++) {
10937 SendMoveToProgram(i, cps);
10943 ResurrectChessProgram ()
10945 /* The chess program may have exited.
10946 If so, restart it and feed it all the moves made so far. */
10947 static int doInit = 0;
10949 if (appData.noChessProgram) return 1;
10951 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10952 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10953 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10954 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10956 if (first.pr != NoProc) return 1;
10957 StartChessProgram(&first);
10959 InitChessProgram(&first, FALSE);
10960 FeedMovesToProgram(&first, currentMove);
10962 if (!first.sendTime) {
10963 /* can't tell gnuchess what its clock should read,
10964 so we bow to its notion. */
10966 timeRemaining[0][currentMove] = whiteTimeRemaining;
10967 timeRemaining[1][currentMove] = blackTimeRemaining;
10970 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10971 appData.icsEngineAnalyze) && first.analysisSupport) {
10972 SendToProgram("analyze\n", &first);
10973 first.analyzing = TRUE;
10979 * Button procedures
10982 Reset (int redraw, int init)
10986 if (appData.debugMode) {
10987 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10988 redraw, init, gameMode);
10990 CleanupTail(); // [HGM] vari: delete any stored variations
10991 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10992 pausing = pauseExamInvalid = FALSE;
10993 startedFromSetupPosition = blackPlaysFirst = FALSE;
10995 whiteFlag = blackFlag = FALSE;
10996 userOfferedDraw = FALSE;
10997 hintRequested = bookRequested = FALSE;
10998 first.maybeThinking = FALSE;
10999 second.maybeThinking = FALSE;
11000 first.bookSuspend = FALSE; // [HGM] book
11001 second.bookSuspend = FALSE;
11002 thinkOutput[0] = NULLCHAR;
11003 lastHint[0] = NULLCHAR;
11004 ClearGameInfo(&gameInfo);
11005 gameInfo.variant = StringToVariant(appData.variant);
11006 ics_user_moved = ics_clock_paused = FALSE;
11007 ics_getting_history = H_FALSE;
11009 white_holding[0] = black_holding[0] = NULLCHAR;
11010 ClearProgramStats();
11011 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11015 flipView = appData.flipView;
11016 ClearPremoveHighlights();
11017 gotPremove = FALSE;
11018 alarmSounded = FALSE;
11020 GameEnds(EndOfFile, NULL, GE_PLAYER);
11021 if(appData.serverMovesName != NULL) {
11022 /* [HGM] prepare to make moves file for broadcasting */
11023 clock_t t = clock();
11024 if(serverMoves != NULL) fclose(serverMoves);
11025 serverMoves = fopen(appData.serverMovesName, "r");
11026 if(serverMoves != NULL) {
11027 fclose(serverMoves);
11028 /* delay 15 sec before overwriting, so all clients can see end */
11029 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11031 serverMoves = fopen(appData.serverMovesName, "w");
11035 gameMode = BeginningOfGame;
11037 if(appData.icsActive) gameInfo.variant = VariantNormal;
11038 currentMove = forwardMostMove = backwardMostMove = 0;
11039 MarkTargetSquares(1);
11040 InitPosition(redraw);
11041 for (i = 0; i < MAX_MOVES; i++) {
11042 if (commentList[i] != NULL) {
11043 free(commentList[i]);
11044 commentList[i] = NULL;
11048 timeRemaining[0][0] = whiteTimeRemaining;
11049 timeRemaining[1][0] = blackTimeRemaining;
11051 if (first.pr == NoProc) {
11052 StartChessProgram(&first);
11055 InitChessProgram(&first, startedFromSetupPosition);
11058 DisplayMessage("", "");
11059 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11060 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11061 ClearMap(); // [HGM] exclude: invalidate map
11065 AutoPlayGameLoop ()
11068 if (!AutoPlayOneMove())
11070 if (matchMode || appData.timeDelay == 0)
11072 if (appData.timeDelay < 0)
11074 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11082 ReloadGame(1); // next game
11088 int fromX, fromY, toX, toY;
11090 if (appData.debugMode) {
11091 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11094 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11097 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11098 pvInfoList[currentMove].depth = programStats.depth;
11099 pvInfoList[currentMove].score = programStats.score;
11100 pvInfoList[currentMove].time = 0;
11101 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11104 if (currentMove >= forwardMostMove) {
11105 if(gameMode == AnalyzeFile) {
11106 if(appData.loadGameIndex == -1) {
11107 GameEnds(EndOfFile, NULL, GE_FILE);
11108 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11110 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11113 // gameMode = EndOfGame;
11114 // ModeHighlight();
11116 /* [AS] Clear current move marker at the end of a game */
11117 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11122 toX = moveList[currentMove][2] - AAA;
11123 toY = moveList[currentMove][3] - ONE;
11125 if (moveList[currentMove][1] == '@') {
11126 if (appData.highlightLastMove) {
11127 SetHighlights(-1, -1, toX, toY);
11130 fromX = moveList[currentMove][0] - AAA;
11131 fromY = moveList[currentMove][1] - ONE;
11133 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11135 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11137 if (appData.highlightLastMove) {
11138 SetHighlights(fromX, fromY, toX, toY);
11141 DisplayMove(currentMove);
11142 SendMoveToProgram(currentMove++, &first);
11143 DisplayBothClocks();
11144 DrawPosition(FALSE, boards[currentMove]);
11145 // [HGM] PV info: always display, routine tests if empty
11146 DisplayComment(currentMove - 1, commentList[currentMove]);
11152 LoadGameOneMove (ChessMove readAhead)
11154 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11155 char promoChar = NULLCHAR;
11156 ChessMove moveType;
11157 char move[MSG_SIZ];
11160 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11161 gameMode != AnalyzeMode && gameMode != Training) {
11166 yyboardindex = forwardMostMove;
11167 if (readAhead != EndOfFile) {
11168 moveType = readAhead;
11170 if (gameFileFP == NULL)
11172 moveType = (ChessMove) Myylex();
11176 switch (moveType) {
11178 if (appData.debugMode)
11179 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11182 /* append the comment but don't display it */
11183 AppendComment(currentMove, p, FALSE);
11186 case WhiteCapturesEnPassant:
11187 case BlackCapturesEnPassant:
11188 case WhitePromotion:
11189 case BlackPromotion:
11190 case WhiteNonPromotion:
11191 case BlackNonPromotion:
11193 case WhiteKingSideCastle:
11194 case WhiteQueenSideCastle:
11195 case BlackKingSideCastle:
11196 case BlackQueenSideCastle:
11197 case WhiteKingSideCastleWild:
11198 case WhiteQueenSideCastleWild:
11199 case BlackKingSideCastleWild:
11200 case BlackQueenSideCastleWild:
11202 case WhiteHSideCastleFR:
11203 case WhiteASideCastleFR:
11204 case BlackHSideCastleFR:
11205 case BlackASideCastleFR:
11207 if (appData.debugMode)
11208 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11209 fromX = currentMoveString[0] - AAA;
11210 fromY = currentMoveString[1] - ONE;
11211 toX = currentMoveString[2] - AAA;
11212 toY = currentMoveString[3] - ONE;
11213 promoChar = currentMoveString[4];
11218 if (appData.debugMode)
11219 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11220 fromX = moveType == WhiteDrop ?
11221 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11222 (int) CharToPiece(ToLower(currentMoveString[0]));
11224 toX = currentMoveString[2] - AAA;
11225 toY = currentMoveString[3] - ONE;
11231 case GameUnfinished:
11232 if (appData.debugMode)
11233 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11234 p = strchr(yy_text, '{');
11235 if (p == NULL) p = strchr(yy_text, '(');
11238 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11240 q = strchr(p, *p == '{' ? '}' : ')');
11241 if (q != NULL) *q = NULLCHAR;
11244 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11245 GameEnds(moveType, p, GE_FILE);
11247 if (cmailMsgLoaded) {
11249 flipView = WhiteOnMove(currentMove);
11250 if (moveType == GameUnfinished) flipView = !flipView;
11251 if (appData.debugMode)
11252 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11257 if (appData.debugMode)
11258 fprintf(debugFP, "Parser hit end of file\n");
11259 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11265 if (WhiteOnMove(currentMove)) {
11266 GameEnds(BlackWins, "Black mates", GE_FILE);
11268 GameEnds(WhiteWins, "White mates", GE_FILE);
11272 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11278 case MoveNumberOne:
11279 if (lastLoadGameStart == GNUChessGame) {
11280 /* GNUChessGames have numbers, but they aren't move numbers */
11281 if (appData.debugMode)
11282 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11283 yy_text, (int) moveType);
11284 return LoadGameOneMove(EndOfFile); /* tail recursion */
11286 /* else fall thru */
11291 /* Reached start of next game in file */
11292 if (appData.debugMode)
11293 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11294 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11300 if (WhiteOnMove(currentMove)) {
11301 GameEnds(BlackWins, "Black mates", GE_FILE);
11303 GameEnds(WhiteWins, "White mates", GE_FILE);
11307 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11313 case PositionDiagram: /* should not happen; ignore */
11314 case ElapsedTime: /* ignore */
11315 case NAG: /* ignore */
11316 if (appData.debugMode)
11317 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11318 yy_text, (int) moveType);
11319 return LoadGameOneMove(EndOfFile); /* tail recursion */
11322 if (appData.testLegality) {
11323 if (appData.debugMode)
11324 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11325 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11326 (forwardMostMove / 2) + 1,
11327 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11328 DisplayError(move, 0);
11331 if (appData.debugMode)
11332 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11333 yy_text, currentMoveString);
11334 fromX = currentMoveString[0] - AAA;
11335 fromY = currentMoveString[1] - ONE;
11336 toX = currentMoveString[2] - AAA;
11337 toY = currentMoveString[3] - ONE;
11338 promoChar = currentMoveString[4];
11342 case AmbiguousMove:
11343 if (appData.debugMode)
11344 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11345 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11346 (forwardMostMove / 2) + 1,
11347 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11348 DisplayError(move, 0);
11353 case ImpossibleMove:
11354 if (appData.debugMode)
11355 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11356 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11357 (forwardMostMove / 2) + 1,
11358 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11359 DisplayError(move, 0);
11365 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11366 DrawPosition(FALSE, boards[currentMove]);
11367 DisplayBothClocks();
11368 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11369 DisplayComment(currentMove - 1, commentList[currentMove]);
11371 (void) StopLoadGameTimer();
11373 cmailOldMove = forwardMostMove;
11376 /* currentMoveString is set as a side-effect of yylex */
11378 thinkOutput[0] = NULLCHAR;
11379 MakeMove(fromX, fromY, toX, toY, promoChar);
11380 currentMove = forwardMostMove;
11385 /* Load the nth game from the given file */
11387 LoadGameFromFile (char *filename, int n, char *title, int useList)
11392 if (strcmp(filename, "-") == 0) {
11396 f = fopen(filename, "rb");
11398 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11399 DisplayError(buf, errno);
11403 if (fseek(f, 0, 0) == -1) {
11404 /* f is not seekable; probably a pipe */
11407 if (useList && n == 0) {
11408 int error = GameListBuild(f);
11410 DisplayError(_("Cannot build game list"), error);
11411 } else if (!ListEmpty(&gameList) &&
11412 ((ListGame *) gameList.tailPred)->number > 1) {
11413 GameListPopUp(f, title);
11420 return LoadGame(f, n, title, FALSE);
11425 MakeRegisteredMove ()
11427 int fromX, fromY, toX, toY;
11429 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11430 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11433 if (appData.debugMode)
11434 fprintf(debugFP, "Restoring %s for game %d\n",
11435 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11437 thinkOutput[0] = NULLCHAR;
11438 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11439 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11440 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11441 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11442 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11443 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11444 MakeMove(fromX, fromY, toX, toY, promoChar);
11445 ShowMove(fromX, fromY, toX, toY);
11447 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11454 if (WhiteOnMove(currentMove)) {
11455 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11457 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11462 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11469 if (WhiteOnMove(currentMove)) {
11470 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11472 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11477 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11488 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11490 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11494 if (gameNumber > nCmailGames) {
11495 DisplayError(_("No more games in this message"), 0);
11498 if (f == lastLoadGameFP) {
11499 int offset = gameNumber - lastLoadGameNumber;
11501 cmailMsg[0] = NULLCHAR;
11502 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11503 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11504 nCmailMovesRegistered--;
11506 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11507 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11508 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11511 if (! RegisterMove()) return FALSE;
11515 retVal = LoadGame(f, gameNumber, title, useList);
11517 /* Make move registered during previous look at this game, if any */
11518 MakeRegisteredMove();
11520 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11521 commentList[currentMove]
11522 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11523 DisplayComment(currentMove - 1, commentList[currentMove]);
11529 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11531 ReloadGame (int offset)
11533 int gameNumber = lastLoadGameNumber + offset;
11534 if (lastLoadGameFP == NULL) {
11535 DisplayError(_("No game has been loaded yet"), 0);
11538 if (gameNumber <= 0) {
11539 DisplayError(_("Can't back up any further"), 0);
11542 if (cmailMsgLoaded) {
11543 return CmailLoadGame(lastLoadGameFP, gameNumber,
11544 lastLoadGameTitle, lastLoadGameUseList);
11546 return LoadGame(lastLoadGameFP, gameNumber,
11547 lastLoadGameTitle, lastLoadGameUseList);
11551 int keys[EmptySquare+1];
11554 PositionMatches (Board b1, Board b2)
11557 switch(appData.searchMode) {
11558 case 1: return CompareWithRights(b1, b2);
11560 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11561 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11565 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11566 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11567 sum += keys[b1[r][f]] - keys[b2[r][f]];
11571 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11572 sum += keys[b1[r][f]] - keys[b2[r][f]];
11584 int pieceList[256], quickBoard[256];
11585 ChessSquare pieceType[256] = { EmptySquare };
11586 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11587 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11588 int soughtTotal, turn;
11589 Boolean epOK, flipSearch;
11592 unsigned char piece, to;
11595 #define DSIZE (250000)
11597 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11598 Move *moveDatabase = initialSpace;
11599 unsigned int movePtr, dataSize = DSIZE;
11602 MakePieceList (Board board, int *counts)
11604 int r, f, n=Q_PROMO, total=0;
11605 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11606 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11607 int sq = f + (r<<4);
11608 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11609 quickBoard[sq] = ++n;
11611 pieceType[n] = board[r][f];
11612 counts[board[r][f]]++;
11613 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11614 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11618 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11623 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11625 int sq = fromX + (fromY<<4);
11626 int piece = quickBoard[sq];
11627 quickBoard[sq] = 0;
11628 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11629 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11630 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11631 moveDatabase[movePtr++].piece = Q_WCASTL;
11632 quickBoard[sq] = piece;
11633 piece = quickBoard[from]; quickBoard[from] = 0;
11634 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11636 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11637 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11638 moveDatabase[movePtr++].piece = Q_BCASTL;
11639 quickBoard[sq] = piece;
11640 piece = quickBoard[from]; quickBoard[from] = 0;
11641 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11643 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11644 quickBoard[(fromY<<4)+toX] = 0;
11645 moveDatabase[movePtr].piece = Q_EP;
11646 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11647 moveDatabase[movePtr].to = sq;
11649 if(promoPiece != pieceType[piece]) {
11650 moveDatabase[movePtr++].piece = Q_PROMO;
11651 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11653 moveDatabase[movePtr].piece = piece;
11654 quickBoard[sq] = piece;
11659 PackGame (Board board)
11661 Move *newSpace = NULL;
11662 moveDatabase[movePtr].piece = 0; // terminate previous game
11663 if(movePtr > dataSize) {
11664 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11665 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11666 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11669 Move *p = moveDatabase, *q = newSpace;
11670 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11671 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11672 moveDatabase = newSpace;
11673 } else { // calloc failed, we must be out of memory. Too bad...
11674 dataSize = 0; // prevent calloc events for all subsequent games
11675 return 0; // and signal this one isn't cached
11679 MakePieceList(board, counts);
11684 QuickCompare (Board board, int *minCounts, int *maxCounts)
11685 { // compare according to search mode
11687 switch(appData.searchMode)
11689 case 1: // exact position match
11690 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11691 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11692 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11695 case 2: // can have extra material on empty squares
11696 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11697 if(board[r][f] == EmptySquare) continue;
11698 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11701 case 3: // material with exact Pawn structure
11702 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11703 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11704 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11705 } // fall through to material comparison
11706 case 4: // exact material
11707 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11709 case 6: // material range with given imbalance
11710 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11711 // fall through to range comparison
11712 case 5: // material range
11713 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11719 QuickScan (Board board, Move *move)
11720 { // reconstruct game,and compare all positions in it
11721 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11723 int piece = move->piece;
11724 int to = move->to, from = pieceList[piece];
11725 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11726 if(!piece) return -1;
11727 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11728 piece = (++move)->piece;
11729 from = pieceList[piece];
11730 counts[pieceType[piece]]--;
11731 pieceType[piece] = (ChessSquare) move->to;
11732 counts[move->to]++;
11733 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11734 counts[pieceType[quickBoard[to]]]--;
11735 quickBoard[to] = 0; total--;
11738 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11739 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11740 from = pieceList[piece]; // so this must be King
11741 quickBoard[from] = 0;
11742 pieceList[piece] = to;
11743 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11744 quickBoard[from] = 0; // rook
11745 quickBoard[to] = piece;
11746 to = move->to; piece = move->piece;
11750 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11751 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11752 quickBoard[from] = 0;
11754 quickBoard[to] = piece;
11755 pieceList[piece] = to;
11757 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11758 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11759 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11760 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11762 static int lastCounts[EmptySquare+1];
11764 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11765 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11766 } else stretch = 0;
11767 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11776 flipSearch = FALSE;
11777 CopyBoard(soughtBoard, boards[currentMove]);
11778 soughtTotal = MakePieceList(soughtBoard, maxSought);
11779 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11780 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11781 CopyBoard(reverseBoard, boards[currentMove]);
11782 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11783 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11784 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11785 reverseBoard[r][f] = piece;
11787 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11788 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11789 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11790 || (boards[currentMove][CASTLING][2] == NoRights ||
11791 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11792 && (boards[currentMove][CASTLING][5] == NoRights ||
11793 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11796 CopyBoard(flipBoard, soughtBoard);
11797 CopyBoard(rotateBoard, reverseBoard);
11798 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11799 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11800 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11803 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11804 if(appData.searchMode >= 5) {
11805 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11806 MakePieceList(soughtBoard, minSought);
11807 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11809 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11810 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11813 GameInfo dummyInfo;
11814 static int creatingBook;
11817 GameContainsPosition (FILE *f, ListGame *lg)
11819 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11820 int fromX, fromY, toX, toY;
11822 static int initDone=FALSE;
11824 // weed out games based on numerical tag comparison
11825 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11826 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11827 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11828 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11830 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11833 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11834 else CopyBoard(boards[scratch], initialPosition); // default start position
11837 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11838 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11841 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11842 fseek(f, lg->offset, 0);
11845 yyboardindex = scratch;
11846 quickFlag = plyNr+1;
11851 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11857 if(plyNr) return -1; // after we have seen moves, this is for new game
11860 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11861 case ImpossibleMove:
11862 case WhiteWins: // game ends here with these four
11865 case GameUnfinished:
11869 if(appData.testLegality) return -1;
11870 case WhiteCapturesEnPassant:
11871 case BlackCapturesEnPassant:
11872 case WhitePromotion:
11873 case BlackPromotion:
11874 case WhiteNonPromotion:
11875 case BlackNonPromotion:
11877 case WhiteKingSideCastle:
11878 case WhiteQueenSideCastle:
11879 case BlackKingSideCastle:
11880 case BlackQueenSideCastle:
11881 case WhiteKingSideCastleWild:
11882 case WhiteQueenSideCastleWild:
11883 case BlackKingSideCastleWild:
11884 case BlackQueenSideCastleWild:
11885 case WhiteHSideCastleFR:
11886 case WhiteASideCastleFR:
11887 case BlackHSideCastleFR:
11888 case BlackASideCastleFR:
11889 fromX = currentMoveString[0] - AAA;
11890 fromY = currentMoveString[1] - ONE;
11891 toX = currentMoveString[2] - AAA;
11892 toY = currentMoveString[3] - ONE;
11893 promoChar = currentMoveString[4];
11897 fromX = next == WhiteDrop ?
11898 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11899 (int) CharToPiece(ToLower(currentMoveString[0]));
11901 toX = currentMoveString[2] - AAA;
11902 toY = currentMoveString[3] - ONE;
11906 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11908 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11909 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11910 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11911 if(appData.findMirror) {
11912 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11913 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11918 /* Load the nth game from open file f */
11920 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11924 int gn = gameNumber;
11925 ListGame *lg = NULL;
11926 int numPGNTags = 0;
11928 GameMode oldGameMode;
11929 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11931 if (appData.debugMode)
11932 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11934 if (gameMode == Training )
11935 SetTrainingModeOff();
11937 oldGameMode = gameMode;
11938 if (gameMode != BeginningOfGame) {
11939 Reset(FALSE, TRUE);
11943 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11944 fclose(lastLoadGameFP);
11948 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11951 fseek(f, lg->offset, 0);
11952 GameListHighlight(gameNumber);
11953 pos = lg->position;
11957 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
11958 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
11960 DisplayError(_("Game number out of range"), 0);
11965 if (fseek(f, 0, 0) == -1) {
11966 if (f == lastLoadGameFP ?
11967 gameNumber == lastLoadGameNumber + 1 :
11971 DisplayError(_("Can't seek on game file"), 0);
11976 lastLoadGameFP = f;
11977 lastLoadGameNumber = gameNumber;
11978 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11979 lastLoadGameUseList = useList;
11983 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11984 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11985 lg->gameInfo.black);
11987 } else if (*title != NULLCHAR) {
11988 if (gameNumber > 1) {
11989 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11992 DisplayTitle(title);
11996 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11997 gameMode = PlayFromGameFile;
12001 currentMove = forwardMostMove = backwardMostMove = 0;
12002 CopyBoard(boards[0], initialPosition);
12006 * Skip the first gn-1 games in the file.
12007 * Also skip over anything that precedes an identifiable
12008 * start of game marker, to avoid being confused by
12009 * garbage at the start of the file. Currently
12010 * recognized start of game markers are the move number "1",
12011 * the pattern "gnuchess .* game", the pattern
12012 * "^[#;%] [^ ]* game file", and a PGN tag block.
12013 * A game that starts with one of the latter two patterns
12014 * will also have a move number 1, possibly
12015 * following a position diagram.
12016 * 5-4-02: Let's try being more lenient and allowing a game to
12017 * start with an unnumbered move. Does that break anything?
12019 cm = lastLoadGameStart = EndOfFile;
12021 yyboardindex = forwardMostMove;
12022 cm = (ChessMove) Myylex();
12025 if (cmailMsgLoaded) {
12026 nCmailGames = CMAIL_MAX_GAMES - gn;
12029 DisplayError(_("Game not found in file"), 0);
12036 lastLoadGameStart = cm;
12039 case MoveNumberOne:
12040 switch (lastLoadGameStart) {
12045 case MoveNumberOne:
12047 gn--; /* count this game */
12048 lastLoadGameStart = cm;
12057 switch (lastLoadGameStart) {
12060 case MoveNumberOne:
12062 gn--; /* count this game */
12063 lastLoadGameStart = cm;
12066 lastLoadGameStart = cm; /* game counted already */
12074 yyboardindex = forwardMostMove;
12075 cm = (ChessMove) Myylex();
12076 } while (cm == PGNTag || cm == Comment);
12083 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12084 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12085 != CMAIL_OLD_RESULT) {
12087 cmailResult[ CMAIL_MAX_GAMES
12088 - gn - 1] = CMAIL_OLD_RESULT;
12094 /* Only a NormalMove can be at the start of a game
12095 * without a position diagram. */
12096 if (lastLoadGameStart == EndOfFile ) {
12098 lastLoadGameStart = MoveNumberOne;
12107 if (appData.debugMode)
12108 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12110 if (cm == XBoardGame) {
12111 /* Skip any header junk before position diagram and/or move 1 */
12113 yyboardindex = forwardMostMove;
12114 cm = (ChessMove) Myylex();
12116 if (cm == EndOfFile ||
12117 cm == GNUChessGame || cm == XBoardGame) {
12118 /* Empty game; pretend end-of-file and handle later */
12123 if (cm == MoveNumberOne || cm == PositionDiagram ||
12124 cm == PGNTag || cm == Comment)
12127 } else if (cm == GNUChessGame) {
12128 if (gameInfo.event != NULL) {
12129 free(gameInfo.event);
12131 gameInfo.event = StrSave(yy_text);
12134 startedFromSetupPosition = FALSE;
12135 while (cm == PGNTag) {
12136 if (appData.debugMode)
12137 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12138 err = ParsePGNTag(yy_text, &gameInfo);
12139 if (!err) numPGNTags++;
12141 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12142 if(gameInfo.variant != oldVariant) {
12143 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12144 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12145 InitPosition(TRUE);
12146 oldVariant = gameInfo.variant;
12147 if (appData.debugMode)
12148 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12152 if (gameInfo.fen != NULL) {
12153 Board initial_position;
12154 startedFromSetupPosition = TRUE;
12155 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12157 DisplayError(_("Bad FEN position in file"), 0);
12160 CopyBoard(boards[0], initial_position);
12161 if (blackPlaysFirst) {
12162 currentMove = forwardMostMove = backwardMostMove = 1;
12163 CopyBoard(boards[1], initial_position);
12164 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12165 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12166 timeRemaining[0][1] = whiteTimeRemaining;
12167 timeRemaining[1][1] = blackTimeRemaining;
12168 if (commentList[0] != NULL) {
12169 commentList[1] = commentList[0];
12170 commentList[0] = NULL;
12173 currentMove = forwardMostMove = backwardMostMove = 0;
12175 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12177 initialRulePlies = FENrulePlies;
12178 for( i=0; i< nrCastlingRights; i++ )
12179 initialRights[i] = initial_position[CASTLING][i];
12181 yyboardindex = forwardMostMove;
12182 free(gameInfo.fen);
12183 gameInfo.fen = NULL;
12186 yyboardindex = forwardMostMove;
12187 cm = (ChessMove) Myylex();
12189 /* Handle comments interspersed among the tags */
12190 while (cm == Comment) {
12192 if (appData.debugMode)
12193 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12195 AppendComment(currentMove, p, FALSE);
12196 yyboardindex = forwardMostMove;
12197 cm = (ChessMove) Myylex();
12201 /* don't rely on existence of Event tag since if game was
12202 * pasted from clipboard the Event tag may not exist
12204 if (numPGNTags > 0){
12206 if (gameInfo.variant == VariantNormal) {
12207 VariantClass v = StringToVariant(gameInfo.event);
12208 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12209 if(v < VariantShogi) gameInfo.variant = v;
12212 if( appData.autoDisplayTags ) {
12213 tags = PGNTags(&gameInfo);
12214 TagsPopUp(tags, CmailMsg());
12219 /* Make something up, but don't display it now */
12224 if (cm == PositionDiagram) {
12227 Board initial_position;
12229 if (appData.debugMode)
12230 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12232 if (!startedFromSetupPosition) {
12234 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12235 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12246 initial_position[i][j++] = CharToPiece(*p);
12249 while (*p == ' ' || *p == '\t' ||
12250 *p == '\n' || *p == '\r') p++;
12252 if (strncmp(p, "black", strlen("black"))==0)
12253 blackPlaysFirst = TRUE;
12255 blackPlaysFirst = FALSE;
12256 startedFromSetupPosition = TRUE;
12258 CopyBoard(boards[0], initial_position);
12259 if (blackPlaysFirst) {
12260 currentMove = forwardMostMove = backwardMostMove = 1;
12261 CopyBoard(boards[1], initial_position);
12262 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12263 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12264 timeRemaining[0][1] = whiteTimeRemaining;
12265 timeRemaining[1][1] = blackTimeRemaining;
12266 if (commentList[0] != NULL) {
12267 commentList[1] = commentList[0];
12268 commentList[0] = NULL;
12271 currentMove = forwardMostMove = backwardMostMove = 0;
12274 yyboardindex = forwardMostMove;
12275 cm = (ChessMove) Myylex();
12278 if(!creatingBook) {
12279 if (first.pr == NoProc) {
12280 StartChessProgram(&first);
12282 InitChessProgram(&first, FALSE);
12283 SendToProgram("force\n", &first);
12284 if (startedFromSetupPosition) {
12285 SendBoard(&first, forwardMostMove);
12286 if (appData.debugMode) {
12287 fprintf(debugFP, "Load Game\n");
12289 DisplayBothClocks();
12293 /* [HGM] server: flag to write setup moves in broadcast file as one */
12294 loadFlag = appData.suppressLoadMoves;
12296 while (cm == Comment) {
12298 if (appData.debugMode)
12299 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12301 AppendComment(currentMove, p, FALSE);
12302 yyboardindex = forwardMostMove;
12303 cm = (ChessMove) Myylex();
12306 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12307 cm == WhiteWins || cm == BlackWins ||
12308 cm == GameIsDrawn || cm == GameUnfinished) {
12309 DisplayMessage("", _("No moves in game"));
12310 if (cmailMsgLoaded) {
12311 if (appData.debugMode)
12312 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12316 DrawPosition(FALSE, boards[currentMove]);
12317 DisplayBothClocks();
12318 gameMode = EditGame;
12325 // [HGM] PV info: routine tests if comment empty
12326 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12327 DisplayComment(currentMove - 1, commentList[currentMove]);
12329 if (!matchMode && appData.timeDelay != 0)
12330 DrawPosition(FALSE, boards[currentMove]);
12332 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12333 programStats.ok_to_send = 1;
12336 /* if the first token after the PGN tags is a move
12337 * and not move number 1, retrieve it from the parser
12339 if (cm != MoveNumberOne)
12340 LoadGameOneMove(cm);
12342 /* load the remaining moves from the file */
12343 while (LoadGameOneMove(EndOfFile)) {
12344 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12345 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12348 /* rewind to the start of the game */
12349 currentMove = backwardMostMove;
12351 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12353 if (oldGameMode == AnalyzeFile ||
12354 oldGameMode == AnalyzeMode) {
12355 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12356 AnalyzeFileEvent();
12359 if(creatingBook) return TRUE;
12360 if (!matchMode && pos > 0) {
12361 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12363 if (matchMode || appData.timeDelay == 0) {
12365 } else if (appData.timeDelay > 0) {
12366 AutoPlayGameLoop();
12369 if (appData.debugMode)
12370 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12372 loadFlag = 0; /* [HGM] true game starts */
12376 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12378 ReloadPosition (int offset)
12380 int positionNumber = lastLoadPositionNumber + offset;
12381 if (lastLoadPositionFP == NULL) {
12382 DisplayError(_("No position has been loaded yet"), 0);
12385 if (positionNumber <= 0) {
12386 DisplayError(_("Can't back up any further"), 0);
12389 return LoadPosition(lastLoadPositionFP, positionNumber,
12390 lastLoadPositionTitle);
12393 /* Load the nth position from the given file */
12395 LoadPositionFromFile (char *filename, int n, char *title)
12400 if (strcmp(filename, "-") == 0) {
12401 return LoadPosition(stdin, n, "stdin");
12403 f = fopen(filename, "rb");
12405 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12406 DisplayError(buf, errno);
12409 return LoadPosition(f, n, title);
12414 /* Load the nth position from the given open file, and close it */
12416 LoadPosition (FILE *f, int positionNumber, char *title)
12418 char *p, line[MSG_SIZ];
12419 Board initial_position;
12420 int i, j, fenMode, pn;
12422 if (gameMode == Training )
12423 SetTrainingModeOff();
12425 if (gameMode != BeginningOfGame) {
12426 Reset(FALSE, TRUE);
12428 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12429 fclose(lastLoadPositionFP);
12431 if (positionNumber == 0) positionNumber = 1;
12432 lastLoadPositionFP = f;
12433 lastLoadPositionNumber = positionNumber;
12434 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12435 if (first.pr == NoProc && !appData.noChessProgram) {
12436 StartChessProgram(&first);
12437 InitChessProgram(&first, FALSE);
12439 pn = positionNumber;
12440 if (positionNumber < 0) {
12441 /* Negative position number means to seek to that byte offset */
12442 if (fseek(f, -positionNumber, 0) == -1) {
12443 DisplayError(_("Can't seek on position file"), 0);
12448 if (fseek(f, 0, 0) == -1) {
12449 if (f == lastLoadPositionFP ?
12450 positionNumber == lastLoadPositionNumber + 1 :
12451 positionNumber == 1) {
12454 DisplayError(_("Can't seek on position file"), 0);
12459 /* See if this file is FEN or old-style xboard */
12460 if (fgets(line, MSG_SIZ, f) == NULL) {
12461 DisplayError(_("Position not found in file"), 0);
12464 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12465 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12468 if (fenMode || line[0] == '#') pn--;
12470 /* skip positions before number pn */
12471 if (fgets(line, MSG_SIZ, f) == NULL) {
12473 DisplayError(_("Position not found in file"), 0);
12476 if (fenMode || line[0] == '#') pn--;
12481 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12482 DisplayError(_("Bad FEN position in file"), 0);
12486 (void) fgets(line, MSG_SIZ, f);
12487 (void) fgets(line, MSG_SIZ, f);
12489 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12490 (void) fgets(line, MSG_SIZ, f);
12491 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12494 initial_position[i][j++] = CharToPiece(*p);
12498 blackPlaysFirst = FALSE;
12500 (void) fgets(line, MSG_SIZ, f);
12501 if (strncmp(line, "black", strlen("black"))==0)
12502 blackPlaysFirst = TRUE;
12505 startedFromSetupPosition = TRUE;
12507 CopyBoard(boards[0], initial_position);
12508 if (blackPlaysFirst) {
12509 currentMove = forwardMostMove = backwardMostMove = 1;
12510 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12511 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12512 CopyBoard(boards[1], initial_position);
12513 DisplayMessage("", _("Black to play"));
12515 currentMove = forwardMostMove = backwardMostMove = 0;
12516 DisplayMessage("", _("White to play"));
12518 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12519 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12520 SendToProgram("force\n", &first);
12521 SendBoard(&first, forwardMostMove);
12523 if (appData.debugMode) {
12525 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12526 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12527 fprintf(debugFP, "Load Position\n");
12530 if (positionNumber > 1) {
12531 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12532 DisplayTitle(line);
12534 DisplayTitle(title);
12536 gameMode = EditGame;
12539 timeRemaining[0][1] = whiteTimeRemaining;
12540 timeRemaining[1][1] = blackTimeRemaining;
12541 DrawPosition(FALSE, boards[currentMove]);
12548 CopyPlayerNameIntoFileName (char **dest, char *src)
12550 while (*src != NULLCHAR && *src != ',') {
12555 *(*dest)++ = *src++;
12561 DefaultFileName (char *ext)
12563 static char def[MSG_SIZ];
12566 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12568 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12570 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12572 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12579 /* Save the current game to the given file */
12581 SaveGameToFile (char *filename, int append)
12585 int result, i, t,tot=0;
12587 if (strcmp(filename, "-") == 0) {
12588 return SaveGame(stdout, 0, NULL);
12590 for(i=0; i<10; i++) { // upto 10 tries
12591 f = fopen(filename, append ? "a" : "w");
12592 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12593 if(f || errno != 13) break;
12594 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12598 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12599 DisplayError(buf, errno);
12602 safeStrCpy(buf, lastMsg, MSG_SIZ);
12603 DisplayMessage(_("Waiting for access to save file"), "");
12604 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12605 DisplayMessage(_("Saving game"), "");
12606 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12607 result = SaveGame(f, 0, NULL);
12608 DisplayMessage(buf, "");
12615 SavePart (char *str)
12617 static char buf[MSG_SIZ];
12620 p = strchr(str, ' ');
12621 if (p == NULL) return str;
12622 strncpy(buf, str, p - str);
12623 buf[p - str] = NULLCHAR;
12627 #define PGN_MAX_LINE 75
12629 #define PGN_SIDE_WHITE 0
12630 #define PGN_SIDE_BLACK 1
12633 FindFirstMoveOutOfBook (int side)
12637 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12638 int index = backwardMostMove;
12639 int has_book_hit = 0;
12641 if( (index % 2) != side ) {
12645 while( index < forwardMostMove ) {
12646 /* Check to see if engine is in book */
12647 int depth = pvInfoList[index].depth;
12648 int score = pvInfoList[index].score;
12654 else if( score == 0 && depth == 63 ) {
12655 in_book = 1; /* Zappa */
12657 else if( score == 2 && depth == 99 ) {
12658 in_book = 1; /* Abrok */
12661 has_book_hit += in_book;
12677 GetOutOfBookInfo (char * buf)
12681 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12683 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12684 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12688 if( oob[0] >= 0 || oob[1] >= 0 ) {
12689 for( i=0; i<2; i++ ) {
12693 if( i > 0 && oob[0] >= 0 ) {
12694 strcat( buf, " " );
12697 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12698 sprintf( buf+strlen(buf), "%s%.2f",
12699 pvInfoList[idx].score >= 0 ? "+" : "",
12700 pvInfoList[idx].score / 100.0 );
12706 /* Save game in PGN style and close the file */
12708 SaveGamePGN (FILE *f)
12710 int i, offset, linelen, newblock;
12713 int movelen, numlen, blank;
12714 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12716 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12718 PrintPGNTags(f, &gameInfo);
12720 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12722 if (backwardMostMove > 0 || startedFromSetupPosition) {
12723 char *fen = PositionToFEN(backwardMostMove, NULL);
12724 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12725 fprintf(f, "\n{--------------\n");
12726 PrintPosition(f, backwardMostMove);
12727 fprintf(f, "--------------}\n");
12731 /* [AS] Out of book annotation */
12732 if( appData.saveOutOfBookInfo ) {
12735 GetOutOfBookInfo( buf );
12737 if( buf[0] != '\0' ) {
12738 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12745 i = backwardMostMove;
12749 while (i < forwardMostMove) {
12750 /* Print comments preceding this move */
12751 if (commentList[i] != NULL) {
12752 if (linelen > 0) fprintf(f, "\n");
12753 fprintf(f, "%s", commentList[i]);
12758 /* Format move number */
12760 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12763 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12765 numtext[0] = NULLCHAR;
12767 numlen = strlen(numtext);
12770 /* Print move number */
12771 blank = linelen > 0 && numlen > 0;
12772 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12781 fprintf(f, "%s", numtext);
12785 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12786 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12789 blank = linelen > 0 && movelen > 0;
12790 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12799 fprintf(f, "%s", move_buffer);
12800 linelen += movelen;
12802 /* [AS] Add PV info if present */
12803 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12804 /* [HGM] add time */
12805 char buf[MSG_SIZ]; int seconds;
12807 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12813 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12816 seconds = (seconds + 4)/10; // round to full seconds
12818 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12820 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12823 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12824 pvInfoList[i].score >= 0 ? "+" : "",
12825 pvInfoList[i].score / 100.0,
12826 pvInfoList[i].depth,
12829 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12831 /* Print score/depth */
12832 blank = linelen > 0 && movelen > 0;
12833 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12842 fprintf(f, "%s", move_buffer);
12843 linelen += movelen;
12849 /* Start a new line */
12850 if (linelen > 0) fprintf(f, "\n");
12852 /* Print comments after last move */
12853 if (commentList[i] != NULL) {
12854 fprintf(f, "%s\n", commentList[i]);
12858 if (gameInfo.resultDetails != NULL &&
12859 gameInfo.resultDetails[0] != NULLCHAR) {
12860 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12861 PGNResult(gameInfo.result));
12863 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12867 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12871 /* Save game in old style and close the file */
12873 SaveGameOldStyle (FILE *f)
12878 tm = time((time_t *) NULL);
12880 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12883 if (backwardMostMove > 0 || startedFromSetupPosition) {
12884 fprintf(f, "\n[--------------\n");
12885 PrintPosition(f, backwardMostMove);
12886 fprintf(f, "--------------]\n");
12891 i = backwardMostMove;
12892 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12894 while (i < forwardMostMove) {
12895 if (commentList[i] != NULL) {
12896 fprintf(f, "[%s]\n", commentList[i]);
12899 if ((i % 2) == 1) {
12900 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12903 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12905 if (commentList[i] != NULL) {
12909 if (i >= forwardMostMove) {
12913 fprintf(f, "%s\n", parseList[i]);
12918 if (commentList[i] != NULL) {
12919 fprintf(f, "[%s]\n", commentList[i]);
12922 /* This isn't really the old style, but it's close enough */
12923 if (gameInfo.resultDetails != NULL &&
12924 gameInfo.resultDetails[0] != NULLCHAR) {
12925 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12926 gameInfo.resultDetails);
12928 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12935 /* Save the current game to open file f and close the file */
12937 SaveGame (FILE *f, int dummy, char *dummy2)
12939 if (gameMode == EditPosition) EditPositionDone(TRUE);
12940 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12941 if (appData.oldSaveStyle)
12942 return SaveGameOldStyle(f);
12944 return SaveGamePGN(f);
12947 /* Save the current position to the given file */
12949 SavePositionToFile (char *filename)
12954 if (strcmp(filename, "-") == 0) {
12955 return SavePosition(stdout, 0, NULL);
12957 f = fopen(filename, "a");
12959 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12960 DisplayError(buf, errno);
12963 safeStrCpy(buf, lastMsg, MSG_SIZ);
12964 DisplayMessage(_("Waiting for access to save file"), "");
12965 flock(fileno(f), LOCK_EX); // [HGM] lock
12966 DisplayMessage(_("Saving position"), "");
12967 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12968 SavePosition(f, 0, NULL);
12969 DisplayMessage(buf, "");
12975 /* Save the current position to the given open file and close the file */
12977 SavePosition (FILE *f, int dummy, char *dummy2)
12982 if (gameMode == EditPosition) EditPositionDone(TRUE);
12983 if (appData.oldSaveStyle) {
12984 tm = time((time_t *) NULL);
12986 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12988 fprintf(f, "[--------------\n");
12989 PrintPosition(f, currentMove);
12990 fprintf(f, "--------------]\n");
12992 fen = PositionToFEN(currentMove, NULL);
12993 fprintf(f, "%s\n", fen);
13001 ReloadCmailMsgEvent (int unregister)
13004 static char *inFilename = NULL;
13005 static char *outFilename;
13007 struct stat inbuf, outbuf;
13010 /* Any registered moves are unregistered if unregister is set, */
13011 /* i.e. invoked by the signal handler */
13013 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13014 cmailMoveRegistered[i] = FALSE;
13015 if (cmailCommentList[i] != NULL) {
13016 free(cmailCommentList[i]);
13017 cmailCommentList[i] = NULL;
13020 nCmailMovesRegistered = 0;
13023 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13024 cmailResult[i] = CMAIL_NOT_RESULT;
13028 if (inFilename == NULL) {
13029 /* Because the filenames are static they only get malloced once */
13030 /* and they never get freed */
13031 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13032 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13034 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13035 sprintf(outFilename, "%s.out", appData.cmailGameName);
13038 status = stat(outFilename, &outbuf);
13040 cmailMailedMove = FALSE;
13042 status = stat(inFilename, &inbuf);
13043 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13046 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13047 counts the games, notes how each one terminated, etc.
13049 It would be nice to remove this kludge and instead gather all
13050 the information while building the game list. (And to keep it
13051 in the game list nodes instead of having a bunch of fixed-size
13052 parallel arrays.) Note this will require getting each game's
13053 termination from the PGN tags, as the game list builder does
13054 not process the game moves. --mann
13056 cmailMsgLoaded = TRUE;
13057 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13059 /* Load first game in the file or popup game menu */
13060 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13062 #endif /* !WIN32 */
13070 char string[MSG_SIZ];
13072 if ( cmailMailedMove
13073 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13074 return TRUE; /* Allow free viewing */
13077 /* Unregister move to ensure that we don't leave RegisterMove */
13078 /* with the move registered when the conditions for registering no */
13080 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13081 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13082 nCmailMovesRegistered --;
13084 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13086 free(cmailCommentList[lastLoadGameNumber - 1]);
13087 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13091 if (cmailOldMove == -1) {
13092 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13096 if (currentMove > cmailOldMove + 1) {
13097 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13101 if (currentMove < cmailOldMove) {
13102 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13106 if (forwardMostMove > currentMove) {
13107 /* Silently truncate extra moves */
13111 if ( (currentMove == cmailOldMove + 1)
13112 || ( (currentMove == cmailOldMove)
13113 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13114 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13115 if (gameInfo.result != GameUnfinished) {
13116 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13119 if (commentList[currentMove] != NULL) {
13120 cmailCommentList[lastLoadGameNumber - 1]
13121 = StrSave(commentList[currentMove]);
13123 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13125 if (appData.debugMode)
13126 fprintf(debugFP, "Saving %s for game %d\n",
13127 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13129 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13131 f = fopen(string, "w");
13132 if (appData.oldSaveStyle) {
13133 SaveGameOldStyle(f); /* also closes the file */
13135 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13136 f = fopen(string, "w");
13137 SavePosition(f, 0, NULL); /* also closes the file */
13139 fprintf(f, "{--------------\n");
13140 PrintPosition(f, currentMove);
13141 fprintf(f, "--------------}\n\n");
13143 SaveGame(f, 0, NULL); /* also closes the file*/
13146 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13147 nCmailMovesRegistered ++;
13148 } else if (nCmailGames == 1) {
13149 DisplayError(_("You have not made a move yet"), 0);
13160 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13161 FILE *commandOutput;
13162 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13163 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13169 if (! cmailMsgLoaded) {
13170 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13174 if (nCmailGames == nCmailResults) {
13175 DisplayError(_("No unfinished games"), 0);
13179 #if CMAIL_PROHIBIT_REMAIL
13180 if (cmailMailedMove) {
13181 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);
13182 DisplayError(msg, 0);
13187 if (! (cmailMailedMove || RegisterMove())) return;
13189 if ( cmailMailedMove
13190 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13191 snprintf(string, MSG_SIZ, partCommandString,
13192 appData.debugMode ? " -v" : "", appData.cmailGameName);
13193 commandOutput = popen(string, "r");
13195 if (commandOutput == NULL) {
13196 DisplayError(_("Failed to invoke cmail"), 0);
13198 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13199 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13201 if (nBuffers > 1) {
13202 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13203 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13204 nBytes = MSG_SIZ - 1;
13206 (void) memcpy(msg, buffer, nBytes);
13208 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13210 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13211 cmailMailedMove = TRUE; /* Prevent >1 moves */
13214 for (i = 0; i < nCmailGames; i ++) {
13215 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13220 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13222 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13224 appData.cmailGameName,
13226 LoadGameFromFile(buffer, 1, buffer, FALSE);
13227 cmailMsgLoaded = FALSE;
13231 DisplayInformation(msg);
13232 pclose(commandOutput);
13235 if ((*cmailMsg) != '\0') {
13236 DisplayInformation(cmailMsg);
13241 #endif /* !WIN32 */
13250 int prependComma = 0;
13252 char string[MSG_SIZ]; /* Space for game-list */
13255 if (!cmailMsgLoaded) return "";
13257 if (cmailMailedMove) {
13258 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13260 /* Create a list of games left */
13261 snprintf(string, MSG_SIZ, "[");
13262 for (i = 0; i < nCmailGames; i ++) {
13263 if (! ( cmailMoveRegistered[i]
13264 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13265 if (prependComma) {
13266 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13268 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13272 strcat(string, number);
13275 strcat(string, "]");
13277 if (nCmailMovesRegistered + nCmailResults == 0) {
13278 switch (nCmailGames) {
13280 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13284 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13288 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13293 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13295 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13300 if (nCmailResults == nCmailGames) {
13301 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13303 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13308 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13320 if (gameMode == Training)
13321 SetTrainingModeOff();
13324 cmailMsgLoaded = FALSE;
13325 if (appData.icsActive) {
13326 SendToICS(ics_prefix);
13327 SendToICS("refresh\n");
13332 ExitEvent (int status)
13336 /* Give up on clean exit */
13340 /* Keep trying for clean exit */
13344 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13346 if (telnetISR != NULL) {
13347 RemoveInputSource(telnetISR);
13349 if (icsPR != NoProc) {
13350 DestroyChildProcess(icsPR, TRUE);
13353 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13354 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13356 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13357 /* make sure this other one finishes before killing it! */
13358 if(endingGame) { int count = 0;
13359 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13360 while(endingGame && count++ < 10) DoSleep(1);
13361 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13364 /* Kill off chess programs */
13365 if (first.pr != NoProc) {
13368 DoSleep( appData.delayBeforeQuit );
13369 SendToProgram("quit\n", &first);
13370 DoSleep( appData.delayAfterQuit );
13371 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13373 if (second.pr != NoProc) {
13374 DoSleep( appData.delayBeforeQuit );
13375 SendToProgram("quit\n", &second);
13376 DoSleep( appData.delayAfterQuit );
13377 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13379 if (first.isr != NULL) {
13380 RemoveInputSource(first.isr);
13382 if (second.isr != NULL) {
13383 RemoveInputSource(second.isr);
13386 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13387 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13389 ShutDownFrontEnd();
13394 PauseEngine (ChessProgramState *cps)
13396 SendToProgram("pause\n", cps);
13401 UnPauseEngine (ChessProgramState *cps)
13403 SendToProgram("resume\n", cps);
13410 if (appData.debugMode)
13411 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13415 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13417 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13418 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13419 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13421 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13422 HandleMachineMove(stashedInputMove, stalledEngine);
13423 stalledEngine = NULL;
13426 if (gameMode == MachinePlaysWhite ||
13427 gameMode == TwoMachinesPlay ||
13428 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13429 if(first.pause) UnPauseEngine(&first);
13430 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13431 if(second.pause) UnPauseEngine(&second);
13432 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13435 DisplayBothClocks();
13437 if (gameMode == PlayFromGameFile) {
13438 if (appData.timeDelay >= 0)
13439 AutoPlayGameLoop();
13440 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13441 Reset(FALSE, TRUE);
13442 SendToICS(ics_prefix);
13443 SendToICS("refresh\n");
13444 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13445 ForwardInner(forwardMostMove);
13447 pauseExamInvalid = FALSE;
13449 switch (gameMode) {
13453 pauseExamForwardMostMove = forwardMostMove;
13454 pauseExamInvalid = FALSE;
13457 case IcsPlayingWhite:
13458 case IcsPlayingBlack:
13462 case PlayFromGameFile:
13463 (void) StopLoadGameTimer();
13467 case BeginningOfGame:
13468 if (appData.icsActive) return;
13469 /* else fall through */
13470 case MachinePlaysWhite:
13471 case MachinePlaysBlack:
13472 case TwoMachinesPlay:
13473 if (forwardMostMove == 0)
13474 return; /* don't pause if no one has moved */
13475 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13476 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13477 if(onMove->pause) { // thinking engine can be paused
13478 PauseEngine(onMove); // do it
13479 if(onMove->other->pause) // pondering opponent can always be paused immediately
13480 PauseEngine(onMove->other);
13482 SendToProgram("easy\n", onMove->other);
13484 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13485 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13487 PauseEngine(&first);
13489 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13490 } else { // human on move, pause pondering by either method
13492 PauseEngine(&first);
13493 else if(appData.ponderNextMove)
13494 SendToProgram("easy\n", &first);
13497 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13507 EditCommentEvent ()
13509 char title[MSG_SIZ];
13511 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13512 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13514 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13515 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13516 parseList[currentMove - 1]);
13519 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13526 char *tags = PGNTags(&gameInfo);
13528 EditTagsPopUp(tags, NULL);
13535 if(second.analyzing) {
13536 SendToProgram("exit\n", &second);
13537 second.analyzing = FALSE;
13539 if (second.pr == NoProc) StartChessProgram(&second);
13540 InitChessProgram(&second, FALSE);
13541 FeedMovesToProgram(&second, currentMove);
13543 SendToProgram("analyze\n", &second);
13544 second.analyzing = TRUE;
13548 /* Toggle ShowThinking */
13550 ToggleShowThinking()
13552 appData.showThinking = !appData.showThinking;
13553 ShowThinkingEvent();
13557 AnalyzeModeEvent ()
13561 if (!first.analysisSupport) {
13562 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13563 DisplayError(buf, 0);
13566 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13567 if (appData.icsActive) {
13568 if (gameMode != IcsObserving) {
13569 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13570 DisplayError(buf, 0);
13572 if (appData.icsEngineAnalyze) {
13573 if (appData.debugMode)
13574 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13580 /* if enable, user wants to disable icsEngineAnalyze */
13581 if (appData.icsEngineAnalyze) {
13586 appData.icsEngineAnalyze = TRUE;
13587 if (appData.debugMode)
13588 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13591 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13592 if (appData.noChessProgram || gameMode == AnalyzeMode)
13595 if (gameMode != AnalyzeFile) {
13596 if (!appData.icsEngineAnalyze) {
13598 if (gameMode != EditGame) return 0;
13600 if (!appData.showThinking) ToggleShowThinking();
13601 ResurrectChessProgram();
13602 SendToProgram("analyze\n", &first);
13603 first.analyzing = TRUE;
13604 /*first.maybeThinking = TRUE;*/
13605 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13606 EngineOutputPopUp();
13608 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13613 StartAnalysisClock();
13614 GetTimeMark(&lastNodeCountTime);
13620 AnalyzeFileEvent ()
13622 if (appData.noChessProgram || gameMode == AnalyzeFile)
13625 if (!first.analysisSupport) {
13627 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13628 DisplayError(buf, 0);
13632 if (gameMode != AnalyzeMode) {
13633 keepInfo = 1; // mere annotating should not alter PGN tags
13636 if (gameMode != EditGame) return;
13637 if (!appData.showThinking) ToggleShowThinking();
13638 ResurrectChessProgram();
13639 SendToProgram("analyze\n", &first);
13640 first.analyzing = TRUE;
13641 /*first.maybeThinking = TRUE;*/
13642 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13643 EngineOutputPopUp();
13645 gameMode = AnalyzeFile;
13649 StartAnalysisClock();
13650 GetTimeMark(&lastNodeCountTime);
13652 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13653 AnalysisPeriodicEvent(1);
13657 MachineWhiteEvent ()
13660 char *bookHit = NULL;
13662 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13666 if (gameMode == PlayFromGameFile ||
13667 gameMode == TwoMachinesPlay ||
13668 gameMode == Training ||
13669 gameMode == AnalyzeMode ||
13670 gameMode == EndOfGame)
13673 if (gameMode == EditPosition)
13674 EditPositionDone(TRUE);
13676 if (!WhiteOnMove(currentMove)) {
13677 DisplayError(_("It is not White's turn"), 0);
13681 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13684 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13685 gameMode == AnalyzeFile)
13688 ResurrectChessProgram(); /* in case it isn't running */
13689 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13690 gameMode = MachinePlaysWhite;
13693 gameMode = MachinePlaysWhite;
13697 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13699 if (first.sendName) {
13700 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13701 SendToProgram(buf, &first);
13703 if (first.sendTime) {
13704 if (first.useColors) {
13705 SendToProgram("black\n", &first); /*gnu kludge*/
13707 SendTimeRemaining(&first, TRUE);
13709 if (first.useColors) {
13710 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13712 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13713 SetMachineThinkingEnables();
13714 first.maybeThinking = TRUE;
13718 if (appData.autoFlipView && !flipView) {
13719 flipView = !flipView;
13720 DrawPosition(FALSE, NULL);
13721 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13724 if(bookHit) { // [HGM] book: simulate book reply
13725 static char bookMove[MSG_SIZ]; // a bit generous?
13727 programStats.nodes = programStats.depth = programStats.time =
13728 programStats.score = programStats.got_only_move = 0;
13729 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13731 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13732 strcat(bookMove, bookHit);
13733 HandleMachineMove(bookMove, &first);
13738 MachineBlackEvent ()
13741 char *bookHit = NULL;
13743 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13747 if (gameMode == PlayFromGameFile ||
13748 gameMode == TwoMachinesPlay ||
13749 gameMode == Training ||
13750 gameMode == AnalyzeMode ||
13751 gameMode == EndOfGame)
13754 if (gameMode == EditPosition)
13755 EditPositionDone(TRUE);
13757 if (WhiteOnMove(currentMove)) {
13758 DisplayError(_("It is not Black's turn"), 0);
13762 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13765 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13766 gameMode == AnalyzeFile)
13769 ResurrectChessProgram(); /* in case it isn't running */
13770 gameMode = MachinePlaysBlack;
13774 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13776 if (first.sendName) {
13777 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13778 SendToProgram(buf, &first);
13780 if (first.sendTime) {
13781 if (first.useColors) {
13782 SendToProgram("white\n", &first); /*gnu kludge*/
13784 SendTimeRemaining(&first, FALSE);
13786 if (first.useColors) {
13787 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13789 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13790 SetMachineThinkingEnables();
13791 first.maybeThinking = TRUE;
13794 if (appData.autoFlipView && flipView) {
13795 flipView = !flipView;
13796 DrawPosition(FALSE, NULL);
13797 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13799 if(bookHit) { // [HGM] book: simulate book reply
13800 static char bookMove[MSG_SIZ]; // a bit generous?
13802 programStats.nodes = programStats.depth = programStats.time =
13803 programStats.score = programStats.got_only_move = 0;
13804 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13806 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13807 strcat(bookMove, bookHit);
13808 HandleMachineMove(bookMove, &first);
13814 DisplayTwoMachinesTitle ()
13817 if (appData.matchGames > 0) {
13818 if(appData.tourneyFile[0]) {
13819 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13820 gameInfo.white, _("vs."), gameInfo.black,
13821 nextGame+1, appData.matchGames+1,
13822 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13824 if (first.twoMachinesColor[0] == 'w') {
13825 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13826 gameInfo.white, _("vs."), gameInfo.black,
13827 first.matchWins, second.matchWins,
13828 matchGame - 1 - (first.matchWins + second.matchWins));
13830 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13831 gameInfo.white, _("vs."), gameInfo.black,
13832 second.matchWins, first.matchWins,
13833 matchGame - 1 - (first.matchWins + second.matchWins));
13836 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13842 SettingsMenuIfReady ()
13844 if (second.lastPing != second.lastPong) {
13845 DisplayMessage("", _("Waiting for second chess program"));
13846 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13850 DisplayMessage("", "");
13851 SettingsPopUp(&second);
13855 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13858 if (cps->pr == NoProc) {
13859 StartChessProgram(cps);
13860 if (cps->protocolVersion == 1) {
13863 /* kludge: allow timeout for initial "feature" command */
13865 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13866 DisplayMessage("", buf);
13867 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13875 TwoMachinesEvent P((void))
13879 ChessProgramState *onmove;
13880 char *bookHit = NULL;
13881 static int stalling = 0;
13885 if (appData.noChessProgram) return;
13887 switch (gameMode) {
13888 case TwoMachinesPlay:
13890 case MachinePlaysWhite:
13891 case MachinePlaysBlack:
13892 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13893 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13897 case BeginningOfGame:
13898 case PlayFromGameFile:
13901 if (gameMode != EditGame) return;
13904 EditPositionDone(TRUE);
13915 // forwardMostMove = currentMove;
13916 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13918 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13920 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13921 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13922 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13926 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13927 DisplayError("second engine does not play this", 0);
13932 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13933 SendToProgram("force\n", &second);
13935 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13938 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13939 if(appData.matchPause>10000 || appData.matchPause<10)
13940 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13941 wait = SubtractTimeMarks(&now, &pauseStart);
13942 if(wait < appData.matchPause) {
13943 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13946 // we are now committed to starting the game
13948 DisplayMessage("", "");
13949 if (startedFromSetupPosition) {
13950 SendBoard(&second, backwardMostMove);
13951 if (appData.debugMode) {
13952 fprintf(debugFP, "Two Machines\n");
13955 for (i = backwardMostMove; i < forwardMostMove; i++) {
13956 SendMoveToProgram(i, &second);
13959 gameMode = TwoMachinesPlay;
13961 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13963 DisplayTwoMachinesTitle();
13965 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13970 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13971 SendToProgram(first.computerString, &first);
13972 if (first.sendName) {
13973 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13974 SendToProgram(buf, &first);
13976 SendToProgram(second.computerString, &second);
13977 if (second.sendName) {
13978 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13979 SendToProgram(buf, &second);
13983 if (!first.sendTime || !second.sendTime) {
13984 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13985 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13987 if (onmove->sendTime) {
13988 if (onmove->useColors) {
13989 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13991 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13993 if (onmove->useColors) {
13994 SendToProgram(onmove->twoMachinesColor, onmove);
13996 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13997 // SendToProgram("go\n", onmove);
13998 onmove->maybeThinking = TRUE;
13999 SetMachineThinkingEnables();
14003 if(bookHit) { // [HGM] book: simulate book reply
14004 static char bookMove[MSG_SIZ]; // a bit generous?
14006 programStats.nodes = programStats.depth = programStats.time =
14007 programStats.score = programStats.got_only_move = 0;
14008 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14010 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14011 strcat(bookMove, bookHit);
14012 savedMessage = bookMove; // args for deferred call
14013 savedState = onmove;
14014 ScheduleDelayedEvent(DeferredBookMove, 1);
14021 if (gameMode == Training) {
14022 SetTrainingModeOff();
14023 gameMode = PlayFromGameFile;
14024 DisplayMessage("", _("Training mode off"));
14026 gameMode = Training;
14027 animateTraining = appData.animate;
14029 /* make sure we are not already at the end of the game */
14030 if (currentMove < forwardMostMove) {
14031 SetTrainingModeOn();
14032 DisplayMessage("", _("Training mode on"));
14034 gameMode = PlayFromGameFile;
14035 DisplayError(_("Already at end of game"), 0);
14044 if (!appData.icsActive) return;
14045 switch (gameMode) {
14046 case IcsPlayingWhite:
14047 case IcsPlayingBlack:
14050 case BeginningOfGame:
14058 EditPositionDone(TRUE);
14071 gameMode = IcsIdle;
14081 switch (gameMode) {
14083 SetTrainingModeOff();
14085 case MachinePlaysWhite:
14086 case MachinePlaysBlack:
14087 case BeginningOfGame:
14088 SendToProgram("force\n", &first);
14089 SetUserThinkingEnables();
14091 case PlayFromGameFile:
14092 (void) StopLoadGameTimer();
14093 if (gameFileFP != NULL) {
14098 EditPositionDone(TRUE);
14103 SendToProgram("force\n", &first);
14105 case TwoMachinesPlay:
14106 GameEnds(EndOfFile, NULL, GE_PLAYER);
14107 ResurrectChessProgram();
14108 SetUserThinkingEnables();
14111 ResurrectChessProgram();
14113 case IcsPlayingBlack:
14114 case IcsPlayingWhite:
14115 DisplayError(_("Warning: You are still playing a game"), 0);
14118 DisplayError(_("Warning: You are still observing a game"), 0);
14121 DisplayError(_("Warning: You are still examining a game"), 0);
14132 first.offeredDraw = second.offeredDraw = 0;
14134 if (gameMode == PlayFromGameFile) {
14135 whiteTimeRemaining = timeRemaining[0][currentMove];
14136 blackTimeRemaining = timeRemaining[1][currentMove];
14140 if (gameMode == MachinePlaysWhite ||
14141 gameMode == MachinePlaysBlack ||
14142 gameMode == TwoMachinesPlay ||
14143 gameMode == EndOfGame) {
14144 i = forwardMostMove;
14145 while (i > currentMove) {
14146 SendToProgram("undo\n", &first);
14149 if(!adjustedClock) {
14150 whiteTimeRemaining = timeRemaining[0][currentMove];
14151 blackTimeRemaining = timeRemaining[1][currentMove];
14152 DisplayBothClocks();
14154 if (whiteFlag || blackFlag) {
14155 whiteFlag = blackFlag = 0;
14160 gameMode = EditGame;
14167 EditPositionEvent ()
14169 if (gameMode == EditPosition) {
14175 if (gameMode != EditGame) return;
14177 gameMode = EditPosition;
14180 if (currentMove > 0)
14181 CopyBoard(boards[0], boards[currentMove]);
14183 blackPlaysFirst = !WhiteOnMove(currentMove);
14185 currentMove = forwardMostMove = backwardMostMove = 0;
14186 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14188 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14194 /* [DM] icsEngineAnalyze - possible call from other functions */
14195 if (appData.icsEngineAnalyze) {
14196 appData.icsEngineAnalyze = FALSE;
14198 DisplayMessage("",_("Close ICS engine analyze..."));
14200 if (first.analysisSupport && first.analyzing) {
14201 SendToBoth("exit\n");
14202 first.analyzing = second.analyzing = FALSE;
14204 thinkOutput[0] = NULLCHAR;
14208 EditPositionDone (Boolean fakeRights)
14210 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14212 startedFromSetupPosition = TRUE;
14213 InitChessProgram(&first, FALSE);
14214 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14215 boards[0][EP_STATUS] = EP_NONE;
14216 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14217 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14218 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14219 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14220 } else boards[0][CASTLING][2] = NoRights;
14221 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14222 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14223 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14224 } else boards[0][CASTLING][5] = NoRights;
14225 if(gameInfo.variant == VariantSChess) {
14227 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14228 boards[0][VIRGIN][i] = 0;
14229 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14230 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14234 SendToProgram("force\n", &first);
14235 if (blackPlaysFirst) {
14236 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14237 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14238 currentMove = forwardMostMove = backwardMostMove = 1;
14239 CopyBoard(boards[1], boards[0]);
14241 currentMove = forwardMostMove = backwardMostMove = 0;
14243 SendBoard(&first, forwardMostMove);
14244 if (appData.debugMode) {
14245 fprintf(debugFP, "EditPosDone\n");
14248 DisplayMessage("", "");
14249 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14250 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14251 gameMode = EditGame;
14253 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14254 ClearHighlights(); /* [AS] */
14257 /* Pause for `ms' milliseconds */
14258 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14260 TimeDelay (long ms)
14267 } while (SubtractTimeMarks(&m2, &m1) < ms);
14270 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14272 SendMultiLineToICS (char *buf)
14274 char temp[MSG_SIZ+1], *p;
14281 strncpy(temp, buf, len);
14286 if (*p == '\n' || *p == '\r')
14291 strcat(temp, "\n");
14293 SendToPlayer(temp, strlen(temp));
14297 SetWhiteToPlayEvent ()
14299 if (gameMode == EditPosition) {
14300 blackPlaysFirst = FALSE;
14301 DisplayBothClocks(); /* works because currentMove is 0 */
14302 } else if (gameMode == IcsExamining) {
14303 SendToICS(ics_prefix);
14304 SendToICS("tomove white\n");
14309 SetBlackToPlayEvent ()
14311 if (gameMode == EditPosition) {
14312 blackPlaysFirst = TRUE;
14313 currentMove = 1; /* kludge */
14314 DisplayBothClocks();
14316 } else if (gameMode == IcsExamining) {
14317 SendToICS(ics_prefix);
14318 SendToICS("tomove black\n");
14323 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14326 ChessSquare piece = boards[0][y][x];
14328 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14330 switch (selection) {
14332 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14333 SendToICS(ics_prefix);
14334 SendToICS("bsetup clear\n");
14335 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14336 SendToICS(ics_prefix);
14337 SendToICS("clearboard\n");
14339 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14340 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14341 for (y = 0; y < BOARD_HEIGHT; y++) {
14342 if (gameMode == IcsExamining) {
14343 if (boards[currentMove][y][x] != EmptySquare) {
14344 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14349 boards[0][y][x] = p;
14354 if (gameMode == EditPosition) {
14355 DrawPosition(FALSE, boards[0]);
14360 SetWhiteToPlayEvent();
14364 SetBlackToPlayEvent();
14368 if (gameMode == IcsExamining) {
14369 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14370 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14373 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14374 if(x == BOARD_LEFT-2) {
14375 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14376 boards[0][y][1] = 0;
14378 if(x == BOARD_RGHT+1) {
14379 if(y >= gameInfo.holdingsSize) break;
14380 boards[0][y][BOARD_WIDTH-2] = 0;
14383 boards[0][y][x] = EmptySquare;
14384 DrawPosition(FALSE, boards[0]);
14389 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14390 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14391 selection = (ChessSquare) (PROMOTED piece);
14392 } else if(piece == EmptySquare) selection = WhiteSilver;
14393 else selection = (ChessSquare)((int)piece - 1);
14397 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14398 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14399 selection = (ChessSquare) (DEMOTED piece);
14400 } else if(piece == EmptySquare) selection = BlackSilver;
14401 else selection = (ChessSquare)((int)piece + 1);
14406 if(gameInfo.variant == VariantShatranj ||
14407 gameInfo.variant == VariantXiangqi ||
14408 gameInfo.variant == VariantCourier ||
14409 gameInfo.variant == VariantMakruk )
14410 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14415 if(gameInfo.variant == VariantXiangqi)
14416 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14417 if(gameInfo.variant == VariantKnightmate)
14418 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14421 if (gameMode == IcsExamining) {
14422 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14423 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14424 PieceToChar(selection), AAA + x, ONE + y);
14427 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14429 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14430 n = PieceToNumber(selection - BlackPawn);
14431 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14432 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14433 boards[0][BOARD_HEIGHT-1-n][1]++;
14435 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14436 n = PieceToNumber(selection);
14437 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14438 boards[0][n][BOARD_WIDTH-1] = selection;
14439 boards[0][n][BOARD_WIDTH-2]++;
14442 boards[0][y][x] = selection;
14443 DrawPosition(TRUE, boards[0]);
14445 fromX = fromY = -1;
14453 DropMenuEvent (ChessSquare selection, int x, int y)
14455 ChessMove moveType;
14457 switch (gameMode) {
14458 case IcsPlayingWhite:
14459 case MachinePlaysBlack:
14460 if (!WhiteOnMove(currentMove)) {
14461 DisplayMoveError(_("It is Black's turn"));
14464 moveType = WhiteDrop;
14466 case IcsPlayingBlack:
14467 case MachinePlaysWhite:
14468 if (WhiteOnMove(currentMove)) {
14469 DisplayMoveError(_("It is White's turn"));
14472 moveType = BlackDrop;
14475 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14481 if (moveType == BlackDrop && selection < BlackPawn) {
14482 selection = (ChessSquare) ((int) selection
14483 + (int) BlackPawn - (int) WhitePawn);
14485 if (boards[currentMove][y][x] != EmptySquare) {
14486 DisplayMoveError(_("That square is occupied"));
14490 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14496 /* Accept a pending offer of any kind from opponent */
14498 if (appData.icsActive) {
14499 SendToICS(ics_prefix);
14500 SendToICS("accept\n");
14501 } else if (cmailMsgLoaded) {
14502 if (currentMove == cmailOldMove &&
14503 commentList[cmailOldMove] != NULL &&
14504 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14505 "Black offers a draw" : "White offers a draw")) {
14507 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14508 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14510 DisplayError(_("There is no pending offer on this move"), 0);
14511 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14514 /* Not used for offers from chess program */
14521 /* Decline a pending offer of any kind from opponent */
14523 if (appData.icsActive) {
14524 SendToICS(ics_prefix);
14525 SendToICS("decline\n");
14526 } else if (cmailMsgLoaded) {
14527 if (currentMove == cmailOldMove &&
14528 commentList[cmailOldMove] != NULL &&
14529 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14530 "Black offers a draw" : "White offers a draw")) {
14532 AppendComment(cmailOldMove, "Draw declined", TRUE);
14533 DisplayComment(cmailOldMove - 1, "Draw declined");
14536 DisplayError(_("There is no pending offer on this move"), 0);
14539 /* Not used for offers from chess program */
14546 /* Issue ICS rematch command */
14547 if (appData.icsActive) {
14548 SendToICS(ics_prefix);
14549 SendToICS("rematch\n");
14556 /* Call your opponent's flag (claim a win on time) */
14557 if (appData.icsActive) {
14558 SendToICS(ics_prefix);
14559 SendToICS("flag\n");
14561 switch (gameMode) {
14564 case MachinePlaysWhite:
14567 GameEnds(GameIsDrawn, "Both players ran out of time",
14570 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14572 DisplayError(_("Your opponent is not out of time"), 0);
14575 case MachinePlaysBlack:
14578 GameEnds(GameIsDrawn, "Both players ran out of time",
14581 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14583 DisplayError(_("Your opponent is not out of time"), 0);
14591 ClockClick (int which)
14592 { // [HGM] code moved to back-end from winboard.c
14593 if(which) { // black clock
14594 if (gameMode == EditPosition || gameMode == IcsExamining) {
14595 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14596 SetBlackToPlayEvent();
14597 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14598 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14599 } else if (shiftKey) {
14600 AdjustClock(which, -1);
14601 } else if (gameMode == IcsPlayingWhite ||
14602 gameMode == MachinePlaysBlack) {
14605 } else { // white clock
14606 if (gameMode == EditPosition || gameMode == IcsExamining) {
14607 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14608 SetWhiteToPlayEvent();
14609 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14610 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14611 } else if (shiftKey) {
14612 AdjustClock(which, -1);
14613 } else if (gameMode == IcsPlayingBlack ||
14614 gameMode == MachinePlaysWhite) {
14623 /* Offer draw or accept pending draw offer from opponent */
14625 if (appData.icsActive) {
14626 /* Note: tournament rules require draw offers to be
14627 made after you make your move but before you punch
14628 your clock. Currently ICS doesn't let you do that;
14629 instead, you immediately punch your clock after making
14630 a move, but you can offer a draw at any time. */
14632 SendToICS(ics_prefix);
14633 SendToICS("draw\n");
14634 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14635 } else if (cmailMsgLoaded) {
14636 if (currentMove == cmailOldMove &&
14637 commentList[cmailOldMove] != NULL &&
14638 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14639 "Black offers a draw" : "White offers a draw")) {
14640 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14641 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14642 } else if (currentMove == cmailOldMove + 1) {
14643 char *offer = WhiteOnMove(cmailOldMove) ?
14644 "White offers a draw" : "Black offers a draw";
14645 AppendComment(currentMove, offer, TRUE);
14646 DisplayComment(currentMove - 1, offer);
14647 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14649 DisplayError(_("You must make your move before offering a draw"), 0);
14650 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14652 } else if (first.offeredDraw) {
14653 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14655 if (first.sendDrawOffers) {
14656 SendToProgram("draw\n", &first);
14657 userOfferedDraw = TRUE;
14665 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14667 if (appData.icsActive) {
14668 SendToICS(ics_prefix);
14669 SendToICS("adjourn\n");
14671 /* Currently GNU Chess doesn't offer or accept Adjourns */
14679 /* Offer Abort or accept pending Abort offer from opponent */
14681 if (appData.icsActive) {
14682 SendToICS(ics_prefix);
14683 SendToICS("abort\n");
14685 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14692 /* Resign. You can do this even if it's not your turn. */
14694 if (appData.icsActive) {
14695 SendToICS(ics_prefix);
14696 SendToICS("resign\n");
14698 switch (gameMode) {
14699 case MachinePlaysWhite:
14700 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14702 case MachinePlaysBlack:
14703 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14706 if (cmailMsgLoaded) {
14708 if (WhiteOnMove(cmailOldMove)) {
14709 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14711 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14713 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14724 StopObservingEvent ()
14726 /* Stop observing current games */
14727 SendToICS(ics_prefix);
14728 SendToICS("unobserve\n");
14732 StopExaminingEvent ()
14734 /* Stop observing current game */
14735 SendToICS(ics_prefix);
14736 SendToICS("unexamine\n");
14740 ForwardInner (int target)
14742 int limit; int oldSeekGraphUp = seekGraphUp;
14744 if (appData.debugMode)
14745 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14746 target, currentMove, forwardMostMove);
14748 if (gameMode == EditPosition)
14751 seekGraphUp = FALSE;
14752 MarkTargetSquares(1);
14754 if (gameMode == PlayFromGameFile && !pausing)
14757 if (gameMode == IcsExamining && pausing)
14758 limit = pauseExamForwardMostMove;
14760 limit = forwardMostMove;
14762 if (target > limit) target = limit;
14764 if (target > 0 && moveList[target - 1][0]) {
14765 int fromX, fromY, toX, toY;
14766 toX = moveList[target - 1][2] - AAA;
14767 toY = moveList[target - 1][3] - ONE;
14768 if (moveList[target - 1][1] == '@') {
14769 if (appData.highlightLastMove) {
14770 SetHighlights(-1, -1, toX, toY);
14773 fromX = moveList[target - 1][0] - AAA;
14774 fromY = moveList[target - 1][1] - ONE;
14775 if (target == currentMove + 1) {
14776 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14778 if (appData.highlightLastMove) {
14779 SetHighlights(fromX, fromY, toX, toY);
14783 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14784 gameMode == Training || gameMode == PlayFromGameFile ||
14785 gameMode == AnalyzeFile) {
14786 while (currentMove < target) {
14787 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14788 SendMoveToProgram(currentMove++, &first);
14791 currentMove = target;
14794 if (gameMode == EditGame || gameMode == EndOfGame) {
14795 whiteTimeRemaining = timeRemaining[0][currentMove];
14796 blackTimeRemaining = timeRemaining[1][currentMove];
14798 DisplayBothClocks();
14799 DisplayMove(currentMove - 1);
14800 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14801 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14802 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14803 DisplayComment(currentMove - 1, commentList[currentMove]);
14805 ClearMap(); // [HGM] exclude: invalidate map
14812 if (gameMode == IcsExamining && !pausing) {
14813 SendToICS(ics_prefix);
14814 SendToICS("forward\n");
14816 ForwardInner(currentMove + 1);
14823 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14824 /* to optimze, we temporarily turn off analysis mode while we feed
14825 * the remaining moves to the engine. Otherwise we get analysis output
14828 if (first.analysisSupport) {
14829 SendToProgram("exit\nforce\n", &first);
14830 first.analyzing = FALSE;
14834 if (gameMode == IcsExamining && !pausing) {
14835 SendToICS(ics_prefix);
14836 SendToICS("forward 999999\n");
14838 ForwardInner(forwardMostMove);
14841 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14842 /* we have fed all the moves, so reactivate analysis mode */
14843 SendToProgram("analyze\n", &first);
14844 first.analyzing = TRUE;
14845 /*first.maybeThinking = TRUE;*/
14846 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14851 BackwardInner (int target)
14853 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14855 if (appData.debugMode)
14856 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14857 target, currentMove, forwardMostMove);
14859 if (gameMode == EditPosition) return;
14860 seekGraphUp = FALSE;
14861 MarkTargetSquares(1);
14862 if (currentMove <= backwardMostMove) {
14864 DrawPosition(full_redraw, boards[currentMove]);
14867 if (gameMode == PlayFromGameFile && !pausing)
14870 if (moveList[target][0]) {
14871 int fromX, fromY, toX, toY;
14872 toX = moveList[target][2] - AAA;
14873 toY = moveList[target][3] - ONE;
14874 if (moveList[target][1] == '@') {
14875 if (appData.highlightLastMove) {
14876 SetHighlights(-1, -1, toX, toY);
14879 fromX = moveList[target][0] - AAA;
14880 fromY = moveList[target][1] - ONE;
14881 if (target == currentMove - 1) {
14882 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14884 if (appData.highlightLastMove) {
14885 SetHighlights(fromX, fromY, toX, toY);
14889 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14890 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14891 while (currentMove > target) {
14892 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14893 // null move cannot be undone. Reload program with move history before it.
14895 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14896 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14898 SendBoard(&first, i);
14899 if(second.analyzing) SendBoard(&second, i);
14900 for(currentMove=i; currentMove<target; currentMove++) {
14901 SendMoveToProgram(currentMove, &first);
14902 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14906 SendToBoth("undo\n");
14910 currentMove = target;
14913 if (gameMode == EditGame || gameMode == EndOfGame) {
14914 whiteTimeRemaining = timeRemaining[0][currentMove];
14915 blackTimeRemaining = timeRemaining[1][currentMove];
14917 DisplayBothClocks();
14918 DisplayMove(currentMove - 1);
14919 DrawPosition(full_redraw, boards[currentMove]);
14920 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14921 // [HGM] PV info: routine tests if comment empty
14922 DisplayComment(currentMove - 1, commentList[currentMove]);
14923 ClearMap(); // [HGM] exclude: invalidate map
14929 if (gameMode == IcsExamining && !pausing) {
14930 SendToICS(ics_prefix);
14931 SendToICS("backward\n");
14933 BackwardInner(currentMove - 1);
14940 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14941 /* to optimize, we temporarily turn off analysis mode while we undo
14942 * all the moves. Otherwise we get analysis output after each undo.
14944 if (first.analysisSupport) {
14945 SendToProgram("exit\nforce\n", &first);
14946 first.analyzing = FALSE;
14950 if (gameMode == IcsExamining && !pausing) {
14951 SendToICS(ics_prefix);
14952 SendToICS("backward 999999\n");
14954 BackwardInner(backwardMostMove);
14957 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14958 /* we have fed all the moves, so reactivate analysis mode */
14959 SendToProgram("analyze\n", &first);
14960 first.analyzing = TRUE;
14961 /*first.maybeThinking = TRUE;*/
14962 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14969 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14970 if (to >= forwardMostMove) to = forwardMostMove;
14971 if (to <= backwardMostMove) to = backwardMostMove;
14972 if (to < currentMove) {
14980 RevertEvent (Boolean annotate)
14982 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14985 if (gameMode != IcsExamining) {
14986 DisplayError(_("You are not examining a game"), 0);
14990 DisplayError(_("You can't revert while pausing"), 0);
14993 SendToICS(ics_prefix);
14994 SendToICS("revert\n");
14998 RetractMoveEvent ()
15000 switch (gameMode) {
15001 case MachinePlaysWhite:
15002 case MachinePlaysBlack:
15003 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15004 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15007 if (forwardMostMove < 2) return;
15008 currentMove = forwardMostMove = forwardMostMove - 2;
15009 whiteTimeRemaining = timeRemaining[0][currentMove];
15010 blackTimeRemaining = timeRemaining[1][currentMove];
15011 DisplayBothClocks();
15012 DisplayMove(currentMove - 1);
15013 ClearHighlights();/*!! could figure this out*/
15014 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15015 SendToProgram("remove\n", &first);
15016 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15019 case BeginningOfGame:
15023 case IcsPlayingWhite:
15024 case IcsPlayingBlack:
15025 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15026 SendToICS(ics_prefix);
15027 SendToICS("takeback 2\n");
15029 SendToICS(ics_prefix);
15030 SendToICS("takeback 1\n");
15039 ChessProgramState *cps;
15041 switch (gameMode) {
15042 case MachinePlaysWhite:
15043 if (!WhiteOnMove(forwardMostMove)) {
15044 DisplayError(_("It is your turn"), 0);
15049 case MachinePlaysBlack:
15050 if (WhiteOnMove(forwardMostMove)) {
15051 DisplayError(_("It is your turn"), 0);
15056 case TwoMachinesPlay:
15057 if (WhiteOnMove(forwardMostMove) ==
15058 (first.twoMachinesColor[0] == 'w')) {
15064 case BeginningOfGame:
15068 SendToProgram("?\n", cps);
15072 TruncateGameEvent ()
15075 if (gameMode != EditGame) return;
15082 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15083 if (forwardMostMove > currentMove) {
15084 if (gameInfo.resultDetails != NULL) {
15085 free(gameInfo.resultDetails);
15086 gameInfo.resultDetails = NULL;
15087 gameInfo.result = GameUnfinished;
15089 forwardMostMove = currentMove;
15090 HistorySet(parseList, backwardMostMove, forwardMostMove,
15098 if (appData.noChessProgram) return;
15099 switch (gameMode) {
15100 case MachinePlaysWhite:
15101 if (WhiteOnMove(forwardMostMove)) {
15102 DisplayError(_("Wait until your turn"), 0);
15106 case BeginningOfGame:
15107 case MachinePlaysBlack:
15108 if (!WhiteOnMove(forwardMostMove)) {
15109 DisplayError(_("Wait until your turn"), 0);
15114 DisplayError(_("No hint available"), 0);
15117 SendToProgram("hint\n", &first);
15118 hintRequested = TRUE;
15124 ListGame * lg = (ListGame *) gameList.head;
15127 static int secondTime = FALSE;
15129 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15130 DisplayError(_("Game list not loaded or empty"), 0);
15134 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15137 DisplayNote(_("Book file exists! Try again for overwrite."));
15141 creatingBook = TRUE;
15142 secondTime = FALSE;
15144 /* Get list size */
15145 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15146 LoadGame(f, nItem, "", TRUE);
15147 AddGameToBook(TRUE);
15148 lg = (ListGame *) lg->node.succ;
15151 creatingBook = FALSE;
15158 if (appData.noChessProgram) return;
15159 switch (gameMode) {
15160 case MachinePlaysWhite:
15161 if (WhiteOnMove(forwardMostMove)) {
15162 DisplayError(_("Wait until your turn"), 0);
15166 case BeginningOfGame:
15167 case MachinePlaysBlack:
15168 if (!WhiteOnMove(forwardMostMove)) {
15169 DisplayError(_("Wait until your turn"), 0);
15174 EditPositionDone(TRUE);
15176 case TwoMachinesPlay:
15181 SendToProgram("bk\n", &first);
15182 bookOutput[0] = NULLCHAR;
15183 bookRequested = TRUE;
15189 char *tags = PGNTags(&gameInfo);
15190 TagsPopUp(tags, CmailMsg());
15194 /* end button procedures */
15197 PrintPosition (FILE *fp, int move)
15201 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15202 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15203 char c = PieceToChar(boards[move][i][j]);
15204 fputc(c == 'x' ? '.' : c, fp);
15205 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15208 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15209 fprintf(fp, "white to play\n");
15211 fprintf(fp, "black to play\n");
15215 PrintOpponents (FILE *fp)
15217 if (gameInfo.white != NULL) {
15218 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15224 /* Find last component of program's own name, using some heuristics */
15226 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15229 int local = (strcmp(host, "localhost") == 0);
15230 while (!local && (p = strchr(prog, ';')) != NULL) {
15232 while (*p == ' ') p++;
15235 if (*prog == '"' || *prog == '\'') {
15236 q = strchr(prog + 1, *prog);
15238 q = strchr(prog, ' ');
15240 if (q == NULL) q = prog + strlen(prog);
15242 while (p >= prog && *p != '/' && *p != '\\') p--;
15244 if(p == prog && *p == '"') p++;
15246 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15247 memcpy(buf, p, q - p);
15248 buf[q - p] = NULLCHAR;
15256 TimeControlTagValue ()
15259 if (!appData.clockMode) {
15260 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15261 } else if (movesPerSession > 0) {
15262 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15263 } else if (timeIncrement == 0) {
15264 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15266 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15268 return StrSave(buf);
15274 /* This routine is used only for certain modes */
15275 VariantClass v = gameInfo.variant;
15276 ChessMove r = GameUnfinished;
15279 if(keepInfo) return;
15281 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15282 r = gameInfo.result;
15283 p = gameInfo.resultDetails;
15284 gameInfo.resultDetails = NULL;
15286 ClearGameInfo(&gameInfo);
15287 gameInfo.variant = v;
15289 switch (gameMode) {
15290 case MachinePlaysWhite:
15291 gameInfo.event = StrSave( appData.pgnEventHeader );
15292 gameInfo.site = StrSave(HostName());
15293 gameInfo.date = PGNDate();
15294 gameInfo.round = StrSave("-");
15295 gameInfo.white = StrSave(first.tidy);
15296 gameInfo.black = StrSave(UserName());
15297 gameInfo.timeControl = TimeControlTagValue();
15300 case MachinePlaysBlack:
15301 gameInfo.event = StrSave( appData.pgnEventHeader );
15302 gameInfo.site = StrSave(HostName());
15303 gameInfo.date = PGNDate();
15304 gameInfo.round = StrSave("-");
15305 gameInfo.white = StrSave(UserName());
15306 gameInfo.black = StrSave(first.tidy);
15307 gameInfo.timeControl = TimeControlTagValue();
15310 case TwoMachinesPlay:
15311 gameInfo.event = StrSave( appData.pgnEventHeader );
15312 gameInfo.site = StrSave(HostName());
15313 gameInfo.date = PGNDate();
15316 snprintf(buf, MSG_SIZ, "%d", roundNr);
15317 gameInfo.round = StrSave(buf);
15319 gameInfo.round = StrSave("-");
15321 if (first.twoMachinesColor[0] == 'w') {
15322 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15323 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15325 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15326 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15328 gameInfo.timeControl = TimeControlTagValue();
15332 gameInfo.event = StrSave("Edited game");
15333 gameInfo.site = StrSave(HostName());
15334 gameInfo.date = PGNDate();
15335 gameInfo.round = StrSave("-");
15336 gameInfo.white = StrSave("-");
15337 gameInfo.black = StrSave("-");
15338 gameInfo.result = r;
15339 gameInfo.resultDetails = p;
15343 gameInfo.event = StrSave("Edited position");
15344 gameInfo.site = StrSave(HostName());
15345 gameInfo.date = PGNDate();
15346 gameInfo.round = StrSave("-");
15347 gameInfo.white = StrSave("-");
15348 gameInfo.black = StrSave("-");
15351 case IcsPlayingWhite:
15352 case IcsPlayingBlack:
15357 case PlayFromGameFile:
15358 gameInfo.event = StrSave("Game from non-PGN file");
15359 gameInfo.site = StrSave(HostName());
15360 gameInfo.date = PGNDate();
15361 gameInfo.round = StrSave("-");
15362 gameInfo.white = StrSave("?");
15363 gameInfo.black = StrSave("?");
15372 ReplaceComment (int index, char *text)
15378 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15379 pvInfoList[index-1].depth == len &&
15380 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15381 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15382 while (*text == '\n') text++;
15383 len = strlen(text);
15384 while (len > 0 && text[len - 1] == '\n') len--;
15386 if (commentList[index] != NULL)
15387 free(commentList[index]);
15390 commentList[index] = NULL;
15393 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15394 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15395 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15396 commentList[index] = (char *) malloc(len + 2);
15397 strncpy(commentList[index], text, len);
15398 commentList[index][len] = '\n';
15399 commentList[index][len + 1] = NULLCHAR;
15401 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15403 commentList[index] = (char *) malloc(len + 7);
15404 safeStrCpy(commentList[index], "{\n", 3);
15405 safeStrCpy(commentList[index]+2, text, len+1);
15406 commentList[index][len+2] = NULLCHAR;
15407 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15408 strcat(commentList[index], "\n}\n");
15413 CrushCRs (char *text)
15421 if (ch == '\r') continue;
15423 } while (ch != '\0');
15427 AppendComment (int index, char *text, Boolean addBraces)
15428 /* addBraces tells if we should add {} */
15433 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15434 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15437 while (*text == '\n') text++;
15438 len = strlen(text);
15439 while (len > 0 && text[len - 1] == '\n') len--;
15440 text[len] = NULLCHAR;
15442 if (len == 0) return;
15444 if (commentList[index] != NULL) {
15445 Boolean addClosingBrace = addBraces;
15446 old = commentList[index];
15447 oldlen = strlen(old);
15448 while(commentList[index][oldlen-1] == '\n')
15449 commentList[index][--oldlen] = NULLCHAR;
15450 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15451 safeStrCpy(commentList[index], old, oldlen + len + 6);
15453 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15454 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15455 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15456 while (*text == '\n') { text++; len--; }
15457 commentList[index][--oldlen] = NULLCHAR;
15459 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15460 else strcat(commentList[index], "\n");
15461 strcat(commentList[index], text);
15462 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15463 else strcat(commentList[index], "\n");
15465 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15467 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15468 else commentList[index][0] = NULLCHAR;
15469 strcat(commentList[index], text);
15470 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15471 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15476 FindStr (char * text, char * sub_text)
15478 char * result = strstr( text, sub_text );
15480 if( result != NULL ) {
15481 result += strlen( sub_text );
15487 /* [AS] Try to extract PV info from PGN comment */
15488 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15490 GetInfoFromComment (int index, char * text)
15492 char * sep = text, *p;
15494 if( text != NULL && index > 0 ) {
15497 int time = -1, sec = 0, deci;
15498 char * s_eval = FindStr( text, "[%eval " );
15499 char * s_emt = FindStr( text, "[%emt " );
15501 if( s_eval != NULL || s_emt != NULL ) {
15505 if( s_eval != NULL ) {
15506 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15510 if( delim != ']' ) {
15515 if( s_emt != NULL ) {
15520 /* We expect something like: [+|-]nnn.nn/dd */
15523 if(*text != '{') return text; // [HGM] braces: must be normal comment
15525 sep = strchr( text, '/' );
15526 if( sep == NULL || sep < (text+4) ) {
15531 if(p[1] == '(') { // comment starts with PV
15532 p = strchr(p, ')'); // locate end of PV
15533 if(p == NULL || sep < p+5) return text;
15534 // at this point we have something like "{(.*) +0.23/6 ..."
15535 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15536 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15537 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15539 time = -1; sec = -1; deci = -1;
15540 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15541 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15542 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15543 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15547 if( score_lo < 0 || score_lo >= 100 ) {
15551 if(sec >= 0) time = 600*time + 10*sec; else
15552 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15554 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15556 /* [HGM] PV time: now locate end of PV info */
15557 while( *++sep >= '0' && *sep <= '9'); // strip depth
15559 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15561 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15563 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15564 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15575 pvInfoList[index-1].depth = depth;
15576 pvInfoList[index-1].score = score;
15577 pvInfoList[index-1].time = 10*time; // centi-sec
15578 if(*sep == '}') *sep = 0; else *--sep = '{';
15579 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15585 SendToProgram (char *message, ChessProgramState *cps)
15587 int count, outCount, error;
15590 if (cps->pr == NoProc) return;
15593 if (appData.debugMode) {
15596 fprintf(debugFP, "%ld >%-6s: %s",
15597 SubtractTimeMarks(&now, &programStartTime),
15598 cps->which, message);
15600 fprintf(serverFP, "%ld >%-6s: %s",
15601 SubtractTimeMarks(&now, &programStartTime),
15602 cps->which, message), fflush(serverFP);
15605 count = strlen(message);
15606 outCount = OutputToProcess(cps->pr, message, count, &error);
15607 if (outCount < count && !exiting
15608 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15609 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15610 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15611 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15612 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15613 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15614 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15615 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15617 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15618 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15619 gameInfo.result = res;
15621 gameInfo.resultDetails = StrSave(buf);
15623 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15624 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15629 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15633 ChessProgramState *cps = (ChessProgramState *)closure;
15635 if (isr != cps->isr) return; /* Killed intentionally */
15638 RemoveInputSource(cps->isr);
15639 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15640 _(cps->which), cps->program);
15641 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15642 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15643 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15644 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15645 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15646 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15648 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15649 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15650 gameInfo.result = res;
15652 gameInfo.resultDetails = StrSave(buf);
15654 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15655 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15657 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15658 _(cps->which), cps->program);
15659 RemoveInputSource(cps->isr);
15661 /* [AS] Program is misbehaving badly... kill it */
15662 if( count == -2 ) {
15663 DestroyChildProcess( cps->pr, 9 );
15667 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15672 if ((end_str = strchr(message, '\r')) != NULL)
15673 *end_str = NULLCHAR;
15674 if ((end_str = strchr(message, '\n')) != NULL)
15675 *end_str = NULLCHAR;
15677 if (appData.debugMode) {
15678 TimeMark now; int print = 1;
15679 char *quote = ""; char c; int i;
15681 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15682 char start = message[0];
15683 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15684 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15685 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15686 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15687 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15688 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15689 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15690 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15691 sscanf(message, "hint: %c", &c)!=1 &&
15692 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15693 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15694 print = (appData.engineComments >= 2);
15696 message[0] = start; // restore original message
15700 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15701 SubtractTimeMarks(&now, &programStartTime), cps->which,
15705 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15706 SubtractTimeMarks(&now, &programStartTime), cps->which,
15708 message), fflush(serverFP);
15712 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15713 if (appData.icsEngineAnalyze) {
15714 if (strstr(message, "whisper") != NULL ||
15715 strstr(message, "kibitz") != NULL ||
15716 strstr(message, "tellics") != NULL) return;
15719 HandleMachineMove(message, cps);
15724 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15729 if( timeControl_2 > 0 ) {
15730 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15731 tc = timeControl_2;
15734 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15735 inc /= cps->timeOdds;
15736 st /= cps->timeOdds;
15738 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15741 /* Set exact time per move, normally using st command */
15742 if (cps->stKludge) {
15743 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15745 if (seconds == 0) {
15746 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15748 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15751 snprintf(buf, MSG_SIZ, "st %d\n", st);
15754 /* Set conventional or incremental time control, using level command */
15755 if (seconds == 0) {
15756 /* Note old gnuchess bug -- minutes:seconds used to not work.
15757 Fixed in later versions, but still avoid :seconds
15758 when seconds is 0. */
15759 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15761 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15762 seconds, inc/1000.);
15765 SendToProgram(buf, cps);
15767 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15768 /* Orthogonally, limit search to given depth */
15770 if (cps->sdKludge) {
15771 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15773 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15775 SendToProgram(buf, cps);
15778 if(cps->nps >= 0) { /* [HGM] nps */
15779 if(cps->supportsNPS == FALSE)
15780 cps->nps = -1; // don't use if engine explicitly says not supported!
15782 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15783 SendToProgram(buf, cps);
15788 ChessProgramState *
15790 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15792 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15793 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15799 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15801 char message[MSG_SIZ];
15804 /* Note: this routine must be called when the clocks are stopped
15805 or when they have *just* been set or switched; otherwise
15806 it will be off by the time since the current tick started.
15808 if (machineWhite) {
15809 time = whiteTimeRemaining / 10;
15810 otime = blackTimeRemaining / 10;
15812 time = blackTimeRemaining / 10;
15813 otime = whiteTimeRemaining / 10;
15815 /* [HGM] translate opponent's time by time-odds factor */
15816 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15818 if (time <= 0) time = 1;
15819 if (otime <= 0) otime = 1;
15821 snprintf(message, MSG_SIZ, "time %ld\n", time);
15822 SendToProgram(message, cps);
15824 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15825 SendToProgram(message, cps);
15829 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15832 int len = strlen(name);
15835 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15837 sscanf(*p, "%d", &val);
15839 while (**p && **p != ' ')
15841 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15842 SendToProgram(buf, cps);
15849 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15852 int len = strlen(name);
15853 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15855 sscanf(*p, "%d", loc);
15856 while (**p && **p != ' ') (*p)++;
15857 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15858 SendToProgram(buf, cps);
15865 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15868 int len = strlen(name);
15869 if (strncmp((*p), name, len) == 0
15870 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15872 sscanf(*p, "%[^\"]", loc);
15873 while (**p && **p != '\"') (*p)++;
15874 if (**p == '\"') (*p)++;
15875 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15876 SendToProgram(buf, cps);
15883 ParseOption (Option *opt, ChessProgramState *cps)
15884 // [HGM] options: process the string that defines an engine option, and determine
15885 // name, type, default value, and allowed value range
15887 char *p, *q, buf[MSG_SIZ];
15888 int n, min = (-1)<<31, max = 1<<31, def;
15890 if(p = strstr(opt->name, " -spin ")) {
15891 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15892 if(max < min) max = min; // enforce consistency
15893 if(def < min) def = min;
15894 if(def > max) def = max;
15899 } else if((p = strstr(opt->name, " -slider "))) {
15900 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15901 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15902 if(max < min) max = min; // enforce consistency
15903 if(def < min) def = min;
15904 if(def > max) def = max;
15908 opt->type = Spin; // Slider;
15909 } else if((p = strstr(opt->name, " -string "))) {
15910 opt->textValue = p+9;
15911 opt->type = TextBox;
15912 } else if((p = strstr(opt->name, " -file "))) {
15913 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15914 opt->textValue = p+7;
15915 opt->type = FileName; // FileName;
15916 } else if((p = strstr(opt->name, " -path "))) {
15917 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15918 opt->textValue = p+7;
15919 opt->type = PathName; // PathName;
15920 } else if(p = strstr(opt->name, " -check ")) {
15921 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15922 opt->value = (def != 0);
15923 opt->type = CheckBox;
15924 } else if(p = strstr(opt->name, " -combo ")) {
15925 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15926 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15927 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15928 opt->value = n = 0;
15929 while(q = StrStr(q, " /// ")) {
15930 n++; *q = 0; // count choices, and null-terminate each of them
15932 if(*q == '*') { // remember default, which is marked with * prefix
15936 cps->comboList[cps->comboCnt++] = q;
15938 cps->comboList[cps->comboCnt++] = NULL;
15940 opt->type = ComboBox;
15941 } else if(p = strstr(opt->name, " -button")) {
15942 opt->type = Button;
15943 } else if(p = strstr(opt->name, " -save")) {
15944 opt->type = SaveButton;
15945 } else return FALSE;
15946 *p = 0; // terminate option name
15947 // now look if the command-line options define a setting for this engine option.
15948 if(cps->optionSettings && cps->optionSettings[0])
15949 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15950 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15951 snprintf(buf, MSG_SIZ, "option %s", p);
15952 if(p = strstr(buf, ",")) *p = 0;
15953 if(q = strchr(buf, '=')) switch(opt->type) {
15955 for(n=0; n<opt->max; n++)
15956 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15959 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15963 opt->value = atoi(q+1);
15968 SendToProgram(buf, cps);
15974 FeatureDone (ChessProgramState *cps, int val)
15976 DelayedEventCallback cb = GetDelayedEvent();
15977 if ((cb == InitBackEnd3 && cps == &first) ||
15978 (cb == SettingsMenuIfReady && cps == &second) ||
15979 (cb == LoadEngine) ||
15980 (cb == TwoMachinesEventIfReady)) {
15981 CancelDelayedEvent();
15982 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15984 cps->initDone = val;
15987 /* Parse feature command from engine */
15989 ParseFeatures (char *args, ChessProgramState *cps)
15997 while (*p == ' ') p++;
15998 if (*p == NULLCHAR) return;
16000 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16001 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16002 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16003 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16004 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16005 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16006 if (BoolFeature(&p, "reuse", &val, cps)) {
16007 /* Engine can disable reuse, but can't enable it if user said no */
16008 if (!val) cps->reuse = FALSE;
16011 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16012 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16013 if (gameMode == TwoMachinesPlay) {
16014 DisplayTwoMachinesTitle();
16020 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16021 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16022 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16023 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16024 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16025 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16026 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16027 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16028 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16029 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16030 if (IntFeature(&p, "done", &val, cps)) {
16031 FeatureDone(cps, val);
16034 /* Added by Tord: */
16035 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16036 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16037 /* End of additions by Tord */
16039 /* [HGM] added features: */
16040 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16041 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16042 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16043 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16044 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16045 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16046 if (StringFeature(&p, "option", buf, cps)) {
16047 FREE(cps->option[cps->nrOptions].name);
16048 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16049 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16050 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16051 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16052 SendToProgram(buf, cps);
16055 if(cps->nrOptions >= MAX_OPTIONS) {
16057 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16058 DisplayError(buf, 0);
16062 /* End of additions by HGM */
16064 /* unknown feature: complain and skip */
16066 while (*q && *q != '=') q++;
16067 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16068 SendToProgram(buf, cps);
16074 while (*p && *p != '\"') p++;
16075 if (*p == '\"') p++;
16077 while (*p && *p != ' ') p++;
16085 PeriodicUpdatesEvent (int newState)
16087 if (newState == appData.periodicUpdates)
16090 appData.periodicUpdates=newState;
16092 /* Display type changes, so update it now */
16093 // DisplayAnalysis();
16095 /* Get the ball rolling again... */
16097 AnalysisPeriodicEvent(1);
16098 StartAnalysisClock();
16103 PonderNextMoveEvent (int newState)
16105 if (newState == appData.ponderNextMove) return;
16106 if (gameMode == EditPosition) EditPositionDone(TRUE);
16108 SendToProgram("hard\n", &first);
16109 if (gameMode == TwoMachinesPlay) {
16110 SendToProgram("hard\n", &second);
16113 SendToProgram("easy\n", &first);
16114 thinkOutput[0] = NULLCHAR;
16115 if (gameMode == TwoMachinesPlay) {
16116 SendToProgram("easy\n", &second);
16119 appData.ponderNextMove = newState;
16123 NewSettingEvent (int option, int *feature, char *command, int value)
16127 if (gameMode == EditPosition) EditPositionDone(TRUE);
16128 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16129 if(feature == NULL || *feature) SendToProgram(buf, &first);
16130 if (gameMode == TwoMachinesPlay) {
16131 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16136 ShowThinkingEvent ()
16137 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16139 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16140 int newState = appData.showThinking
16141 // [HGM] thinking: other features now need thinking output as well
16142 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16144 if (oldState == newState) return;
16145 oldState = newState;
16146 if (gameMode == EditPosition) EditPositionDone(TRUE);
16148 SendToProgram("post\n", &first);
16149 if (gameMode == TwoMachinesPlay) {
16150 SendToProgram("post\n", &second);
16153 SendToProgram("nopost\n", &first);
16154 thinkOutput[0] = NULLCHAR;
16155 if (gameMode == TwoMachinesPlay) {
16156 SendToProgram("nopost\n", &second);
16159 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16163 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16165 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16166 if (pr == NoProc) return;
16167 AskQuestion(title, question, replyPrefix, pr);
16171 TypeInEvent (char firstChar)
16173 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16174 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16175 gameMode == AnalyzeMode || gameMode == EditGame ||
16176 gameMode == EditPosition || gameMode == IcsExamining ||
16177 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16178 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16179 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16180 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16181 gameMode == Training) PopUpMoveDialog(firstChar);
16185 TypeInDoneEvent (char *move)
16188 int n, fromX, fromY, toX, toY;
16190 ChessMove moveType;
16193 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16194 EditPositionPasteFEN(move);
16197 // [HGM] movenum: allow move number to be typed in any mode
16198 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16202 // undocumented kludge: allow command-line option to be typed in!
16203 // (potentially fatal, and does not implement the effect of the option.)
16204 // should only be used for options that are values on which future decisions will be made,
16205 // and definitely not on options that would be used during initialization.
16206 if(strstr(move, "!!! -") == move) {
16207 ParseArgsFromString(move+4);
16211 if (gameMode != EditGame && currentMove != forwardMostMove &&
16212 gameMode != Training) {
16213 DisplayMoveError(_("Displayed move is not current"));
16215 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16216 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16217 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16218 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16219 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16220 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16222 DisplayMoveError(_("Could not parse move"));
16228 DisplayMove (int moveNumber)
16230 char message[MSG_SIZ];
16232 char cpThinkOutput[MSG_SIZ];
16234 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16236 if (moveNumber == forwardMostMove - 1 ||
16237 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16239 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16241 if (strchr(cpThinkOutput, '\n')) {
16242 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16245 *cpThinkOutput = NULLCHAR;
16248 /* [AS] Hide thinking from human user */
16249 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16250 *cpThinkOutput = NULLCHAR;
16251 if( thinkOutput[0] != NULLCHAR ) {
16254 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16255 cpThinkOutput[i] = '.';
16257 cpThinkOutput[i] = NULLCHAR;
16258 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16262 if (moveNumber == forwardMostMove - 1 &&
16263 gameInfo.resultDetails != NULL) {
16264 if (gameInfo.resultDetails[0] == NULLCHAR) {
16265 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16267 snprintf(res, MSG_SIZ, " {%s} %s",
16268 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16274 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16275 DisplayMessage(res, cpThinkOutput);
16277 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16278 WhiteOnMove(moveNumber) ? " " : ".. ",
16279 parseList[moveNumber], res);
16280 DisplayMessage(message, cpThinkOutput);
16285 DisplayComment (int moveNumber, char *text)
16287 char title[MSG_SIZ];
16289 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16290 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16292 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16293 WhiteOnMove(moveNumber) ? " " : ".. ",
16294 parseList[moveNumber]);
16296 if (text != NULL && (appData.autoDisplayComment || commentUp))
16297 CommentPopUp(title, text);
16300 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16301 * might be busy thinking or pondering. It can be omitted if your
16302 * gnuchess is configured to stop thinking immediately on any user
16303 * input. However, that gnuchess feature depends on the FIONREAD
16304 * ioctl, which does not work properly on some flavors of Unix.
16307 Attention (ChessProgramState *cps)
16310 if (!cps->useSigint) return;
16311 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16312 switch (gameMode) {
16313 case MachinePlaysWhite:
16314 case MachinePlaysBlack:
16315 case TwoMachinesPlay:
16316 case IcsPlayingWhite:
16317 case IcsPlayingBlack:
16320 /* Skip if we know it isn't thinking */
16321 if (!cps->maybeThinking) return;
16322 if (appData.debugMode)
16323 fprintf(debugFP, "Interrupting %s\n", cps->which);
16324 InterruptChildProcess(cps->pr);
16325 cps->maybeThinking = FALSE;
16330 #endif /*ATTENTION*/
16336 if (whiteTimeRemaining <= 0) {
16339 if (appData.icsActive) {
16340 if (appData.autoCallFlag &&
16341 gameMode == IcsPlayingBlack && !blackFlag) {
16342 SendToICS(ics_prefix);
16343 SendToICS("flag\n");
16347 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16349 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16350 if (appData.autoCallFlag) {
16351 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16358 if (blackTimeRemaining <= 0) {
16361 if (appData.icsActive) {
16362 if (appData.autoCallFlag &&
16363 gameMode == IcsPlayingWhite && !whiteFlag) {
16364 SendToICS(ics_prefix);
16365 SendToICS("flag\n");
16369 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16371 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16372 if (appData.autoCallFlag) {
16373 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16384 CheckTimeControl ()
16386 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16387 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16390 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16392 if ( !WhiteOnMove(forwardMostMove) ) {
16393 /* White made time control */
16394 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16395 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16396 /* [HGM] time odds: correct new time quota for time odds! */
16397 / WhitePlayer()->timeOdds;
16398 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16400 lastBlack -= blackTimeRemaining;
16401 /* Black made time control */
16402 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16403 / WhitePlayer()->other->timeOdds;
16404 lastWhite = whiteTimeRemaining;
16409 DisplayBothClocks ()
16411 int wom = gameMode == EditPosition ?
16412 !blackPlaysFirst : WhiteOnMove(currentMove);
16413 DisplayWhiteClock(whiteTimeRemaining, wom);
16414 DisplayBlackClock(blackTimeRemaining, !wom);
16418 /* Timekeeping seems to be a portability nightmare. I think everyone
16419 has ftime(), but I'm really not sure, so I'm including some ifdefs
16420 to use other calls if you don't. Clocks will be less accurate if
16421 you have neither ftime nor gettimeofday.
16424 /* VS 2008 requires the #include outside of the function */
16425 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16426 #include <sys/timeb.h>
16429 /* Get the current time as a TimeMark */
16431 GetTimeMark (TimeMark *tm)
16433 #if HAVE_GETTIMEOFDAY
16435 struct timeval timeVal;
16436 struct timezone timeZone;
16438 gettimeofday(&timeVal, &timeZone);
16439 tm->sec = (long) timeVal.tv_sec;
16440 tm->ms = (int) (timeVal.tv_usec / 1000L);
16442 #else /*!HAVE_GETTIMEOFDAY*/
16445 // include <sys/timeb.h> / moved to just above start of function
16446 struct timeb timeB;
16449 tm->sec = (long) timeB.time;
16450 tm->ms = (int) timeB.millitm;
16452 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16453 tm->sec = (long) time(NULL);
16459 /* Return the difference in milliseconds between two
16460 time marks. We assume the difference will fit in a long!
16463 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16465 return 1000L*(tm2->sec - tm1->sec) +
16466 (long) (tm2->ms - tm1->ms);
16471 * Code to manage the game clocks.
16473 * In tournament play, black starts the clock and then white makes a move.
16474 * We give the human user a slight advantage if he is playing white---the
16475 * clocks don't run until he makes his first move, so it takes zero time.
16476 * Also, we don't account for network lag, so we could get out of sync
16477 * with GNU Chess's clock -- but then, referees are always right.
16480 static TimeMark tickStartTM;
16481 static long intendedTickLength;
16484 NextTickLength (long timeRemaining)
16486 long nominalTickLength, nextTickLength;
16488 if (timeRemaining > 0L && timeRemaining <= 10000L)
16489 nominalTickLength = 100L;
16491 nominalTickLength = 1000L;
16492 nextTickLength = timeRemaining % nominalTickLength;
16493 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16495 return nextTickLength;
16498 /* Adjust clock one minute up or down */
16500 AdjustClock (Boolean which, int dir)
16502 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16503 if(which) blackTimeRemaining += 60000*dir;
16504 else whiteTimeRemaining += 60000*dir;
16505 DisplayBothClocks();
16506 adjustedClock = TRUE;
16509 /* Stop clocks and reset to a fresh time control */
16513 (void) StopClockTimer();
16514 if (appData.icsActive) {
16515 whiteTimeRemaining = blackTimeRemaining = 0;
16516 } else if (searchTime) {
16517 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16518 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16519 } else { /* [HGM] correct new time quote for time odds */
16520 whiteTC = blackTC = fullTimeControlString;
16521 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16522 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16524 if (whiteFlag || blackFlag) {
16526 whiteFlag = blackFlag = FALSE;
16528 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16529 DisplayBothClocks();
16530 adjustedClock = FALSE;
16533 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16535 /* Decrement running clock by amount of time that has passed */
16539 long timeRemaining;
16540 long lastTickLength, fudge;
16543 if (!appData.clockMode) return;
16544 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16548 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16550 /* Fudge if we woke up a little too soon */
16551 fudge = intendedTickLength - lastTickLength;
16552 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16554 if (WhiteOnMove(forwardMostMove)) {
16555 if(whiteNPS >= 0) lastTickLength = 0;
16556 timeRemaining = whiteTimeRemaining -= lastTickLength;
16557 if(timeRemaining < 0 && !appData.icsActive) {
16558 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16559 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16560 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16561 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16564 DisplayWhiteClock(whiteTimeRemaining - fudge,
16565 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16567 if(blackNPS >= 0) lastTickLength = 0;
16568 timeRemaining = blackTimeRemaining -= lastTickLength;
16569 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16570 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16572 blackStartMove = forwardMostMove;
16573 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16576 DisplayBlackClock(blackTimeRemaining - fudge,
16577 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16579 if (CheckFlags()) return;
16581 if(twoBoards) { // count down secondary board's clocks as well
16582 activePartnerTime -= lastTickLength;
16584 if(activePartner == 'W')
16585 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16587 DisplayBlackClock(activePartnerTime, TRUE);
16592 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16593 StartClockTimer(intendedTickLength);
16595 /* if the time remaining has fallen below the alarm threshold, sound the
16596 * alarm. if the alarm has sounded and (due to a takeback or time control
16597 * with increment) the time remaining has increased to a level above the
16598 * threshold, reset the alarm so it can sound again.
16601 if (appData.icsActive && appData.icsAlarm) {
16603 /* make sure we are dealing with the user's clock */
16604 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16605 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16608 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16609 alarmSounded = FALSE;
16610 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16612 alarmSounded = TRUE;
16618 /* A player has just moved, so stop the previously running
16619 clock and (if in clock mode) start the other one.
16620 We redisplay both clocks in case we're in ICS mode, because
16621 ICS gives us an update to both clocks after every move.
16622 Note that this routine is called *after* forwardMostMove
16623 is updated, so the last fractional tick must be subtracted
16624 from the color that is *not* on move now.
16627 SwitchClocks (int newMoveNr)
16629 long lastTickLength;
16631 int flagged = FALSE;
16635 if (StopClockTimer() && appData.clockMode) {
16636 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16637 if (!WhiteOnMove(forwardMostMove)) {
16638 if(blackNPS >= 0) lastTickLength = 0;
16639 blackTimeRemaining -= lastTickLength;
16640 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16641 // if(pvInfoList[forwardMostMove].time == -1)
16642 pvInfoList[forwardMostMove].time = // use GUI time
16643 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16645 if(whiteNPS >= 0) lastTickLength = 0;
16646 whiteTimeRemaining -= lastTickLength;
16647 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16648 // if(pvInfoList[forwardMostMove].time == -1)
16649 pvInfoList[forwardMostMove].time =
16650 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16652 flagged = CheckFlags();
16654 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16655 CheckTimeControl();
16657 if (flagged || !appData.clockMode) return;
16659 switch (gameMode) {
16660 case MachinePlaysBlack:
16661 case MachinePlaysWhite:
16662 case BeginningOfGame:
16663 if (pausing) return;
16667 case PlayFromGameFile:
16675 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16676 if(WhiteOnMove(forwardMostMove))
16677 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16678 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16682 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16683 whiteTimeRemaining : blackTimeRemaining);
16684 StartClockTimer(intendedTickLength);
16688 /* Stop both clocks */
16692 long lastTickLength;
16695 if (!StopClockTimer()) return;
16696 if (!appData.clockMode) return;
16700 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16701 if (WhiteOnMove(forwardMostMove)) {
16702 if(whiteNPS >= 0) lastTickLength = 0;
16703 whiteTimeRemaining -= lastTickLength;
16704 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16706 if(blackNPS >= 0) lastTickLength = 0;
16707 blackTimeRemaining -= lastTickLength;
16708 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16713 /* Start clock of player on move. Time may have been reset, so
16714 if clock is already running, stop and restart it. */
16718 (void) StopClockTimer(); /* in case it was running already */
16719 DisplayBothClocks();
16720 if (CheckFlags()) return;
16722 if (!appData.clockMode) return;
16723 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16725 GetTimeMark(&tickStartTM);
16726 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16727 whiteTimeRemaining : blackTimeRemaining);
16729 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16730 whiteNPS = blackNPS = -1;
16731 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16732 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16733 whiteNPS = first.nps;
16734 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16735 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16736 blackNPS = first.nps;
16737 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16738 whiteNPS = second.nps;
16739 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16740 blackNPS = second.nps;
16741 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16743 StartClockTimer(intendedTickLength);
16747 TimeString (long ms)
16749 long second, minute, hour, day;
16751 static char buf[32];
16753 if (ms > 0 && ms <= 9900) {
16754 /* convert milliseconds to tenths, rounding up */
16755 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16757 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16761 /* convert milliseconds to seconds, rounding up */
16762 /* use floating point to avoid strangeness of integer division
16763 with negative dividends on many machines */
16764 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16771 day = second / (60 * 60 * 24);
16772 second = second % (60 * 60 * 24);
16773 hour = second / (60 * 60);
16774 second = second % (60 * 60);
16775 minute = second / 60;
16776 second = second % 60;
16779 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16780 sign, day, hour, minute, second);
16782 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16784 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16791 * This is necessary because some C libraries aren't ANSI C compliant yet.
16794 StrStr (char *string, char *match)
16798 length = strlen(match);
16800 for (i = strlen(string) - length; i >= 0; i--, string++)
16801 if (!strncmp(match, string, length))
16808 StrCaseStr (char *string, char *match)
16812 length = strlen(match);
16814 for (i = strlen(string) - length; i >= 0; i--, string++) {
16815 for (j = 0; j < length; j++) {
16816 if (ToLower(match[j]) != ToLower(string[j]))
16819 if (j == length) return string;
16827 StrCaseCmp (char *s1, char *s2)
16832 c1 = ToLower(*s1++);
16833 c2 = ToLower(*s2++);
16834 if (c1 > c2) return 1;
16835 if (c1 < c2) return -1;
16836 if (c1 == NULLCHAR) return 0;
16844 return isupper(c) ? tolower(c) : c;
16851 return islower(c) ? toupper(c) : c;
16853 #endif /* !_amigados */
16860 if ((ret = (char *) malloc(strlen(s) + 1)))
16862 safeStrCpy(ret, s, strlen(s)+1);
16868 StrSavePtr (char *s, char **savePtr)
16873 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16874 safeStrCpy(*savePtr, s, strlen(s)+1);
16886 clock = time((time_t *)NULL);
16887 tm = localtime(&clock);
16888 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16889 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16890 return StrSave(buf);
16895 PositionToFEN (int move, char *overrideCastling)
16897 int i, j, fromX, fromY, toX, toY;
16904 whiteToPlay = (gameMode == EditPosition) ?
16905 !blackPlaysFirst : (move % 2 == 0);
16908 /* Piece placement data */
16909 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16910 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16912 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16913 if (boards[move][i][j] == EmptySquare) {
16915 } else { ChessSquare piece = boards[move][i][j];
16916 if (emptycount > 0) {
16917 if(emptycount<10) /* [HGM] can be >= 10 */
16918 *p++ = '0' + emptycount;
16919 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16922 if(PieceToChar(piece) == '+') {
16923 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16925 piece = (ChessSquare)(DEMOTED piece);
16927 *p++ = PieceToChar(piece);
16929 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16930 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16935 if (emptycount > 0) {
16936 if(emptycount<10) /* [HGM] can be >= 10 */
16937 *p++ = '0' + emptycount;
16938 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16945 /* [HGM] print Crazyhouse or Shogi holdings */
16946 if( gameInfo.holdingsWidth ) {
16947 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16949 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16950 piece = boards[move][i][BOARD_WIDTH-1];
16951 if( piece != EmptySquare )
16952 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16953 *p++ = PieceToChar(piece);
16955 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16956 piece = boards[move][BOARD_HEIGHT-i-1][0];
16957 if( piece != EmptySquare )
16958 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16959 *p++ = PieceToChar(piece);
16962 if( q == p ) *p++ = '-';
16968 *p++ = whiteToPlay ? 'w' : 'b';
16971 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16972 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16974 if(nrCastlingRights) {
16976 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16977 /* [HGM] write directly from rights */
16978 if(boards[move][CASTLING][2] != NoRights &&
16979 boards[move][CASTLING][0] != NoRights )
16980 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16981 if(boards[move][CASTLING][2] != NoRights &&
16982 boards[move][CASTLING][1] != NoRights )
16983 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16984 if(boards[move][CASTLING][5] != NoRights &&
16985 boards[move][CASTLING][3] != NoRights )
16986 *p++ = boards[move][CASTLING][3] + AAA;
16987 if(boards[move][CASTLING][5] != NoRights &&
16988 boards[move][CASTLING][4] != NoRights )
16989 *p++ = boards[move][CASTLING][4] + AAA;
16992 /* [HGM] write true castling rights */
16993 if( nrCastlingRights == 6 ) {
16995 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16996 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16997 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16998 boards[move][CASTLING][2] != NoRights );
16999 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17000 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17001 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17002 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17003 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17007 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17008 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17009 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17010 boards[move][CASTLING][5] != NoRights );
17011 if(gameInfo.variant == VariantSChess) {
17012 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17013 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17014 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17015 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17020 if (q == p) *p++ = '-'; /* No castling rights */
17024 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17025 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17026 /* En passant target square */
17027 if (move > backwardMostMove) {
17028 fromX = moveList[move - 1][0] - AAA;
17029 fromY = moveList[move - 1][1] - ONE;
17030 toX = moveList[move - 1][2] - AAA;
17031 toY = moveList[move - 1][3] - ONE;
17032 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17033 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17034 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17036 /* 2-square pawn move just happened */
17038 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17042 } else if(move == backwardMostMove) {
17043 // [HGM] perhaps we should always do it like this, and forget the above?
17044 if((signed char)boards[move][EP_STATUS] >= 0) {
17045 *p++ = boards[move][EP_STATUS] + AAA;
17046 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17057 /* [HGM] find reversible plies */
17058 { int i = 0, j=move;
17060 if (appData.debugMode) { int k;
17061 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17062 for(k=backwardMostMove; k<=forwardMostMove; k++)
17063 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17067 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17068 if( j == backwardMostMove ) i += initialRulePlies;
17069 sprintf(p, "%d ", i);
17070 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17072 /* Fullmove number */
17073 sprintf(p, "%d", (move / 2) + 1);
17075 return StrSave(buf);
17079 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17083 int emptycount, virgin[BOARD_FILES];
17088 /* [HGM] by default clear Crazyhouse holdings, if present */
17089 if(gameInfo.holdingsWidth) {
17090 for(i=0; i<BOARD_HEIGHT; i++) {
17091 board[i][0] = EmptySquare; /* black holdings */
17092 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17093 board[i][1] = (ChessSquare) 0; /* black counts */
17094 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17098 /* Piece placement data */
17099 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17102 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17103 if (*p == '/') p++;
17104 emptycount = gameInfo.boardWidth - j;
17105 while (emptycount--)
17106 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17108 #if(BOARD_FILES >= 10)
17109 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17110 p++; emptycount=10;
17111 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17112 while (emptycount--)
17113 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17115 } else if (isdigit(*p)) {
17116 emptycount = *p++ - '0';
17117 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17118 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17119 while (emptycount--)
17120 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17121 } else if (*p == '+' || isalpha(*p)) {
17122 if (j >= gameInfo.boardWidth) return FALSE;
17124 piece = CharToPiece(*++p);
17125 if(piece == EmptySquare) return FALSE; /* unknown piece */
17126 piece = (ChessSquare) (PROMOTED piece ); p++;
17127 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17128 } else piece = CharToPiece(*p++);
17130 if(piece==EmptySquare) return FALSE; /* unknown piece */
17131 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17132 piece = (ChessSquare) (PROMOTED piece);
17133 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17136 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17142 while (*p == '/' || *p == ' ') p++;
17144 /* [HGM] look for Crazyhouse holdings here */
17145 while(*p==' ') p++;
17146 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17148 if(*p == '-' ) p++; /* empty holdings */ else {
17149 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17150 /* if we would allow FEN reading to set board size, we would */
17151 /* have to add holdings and shift the board read so far here */
17152 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17154 if((int) piece >= (int) BlackPawn ) {
17155 i = (int)piece - (int)BlackPawn;
17156 i = PieceToNumber((ChessSquare)i);
17157 if( i >= gameInfo.holdingsSize ) return FALSE;
17158 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17159 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17161 i = (int)piece - (int)WhitePawn;
17162 i = PieceToNumber((ChessSquare)i);
17163 if( i >= gameInfo.holdingsSize ) return FALSE;
17164 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17165 board[i][BOARD_WIDTH-2]++; /* black holdings */
17172 while(*p == ' ') p++;
17176 if(appData.colorNickNames) {
17177 if( c == appData.colorNickNames[0] ) c = 'w'; else
17178 if( c == appData.colorNickNames[1] ) c = 'b';
17182 *blackPlaysFirst = FALSE;
17185 *blackPlaysFirst = TRUE;
17191 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17192 /* return the extra info in global variiables */
17194 /* set defaults in case FEN is incomplete */
17195 board[EP_STATUS] = EP_UNKNOWN;
17196 for(i=0; i<nrCastlingRights; i++ ) {
17197 board[CASTLING][i] =
17198 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17199 } /* assume possible unless obviously impossible */
17200 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17201 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17202 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17203 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17204 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17205 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17206 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17207 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17210 while(*p==' ') p++;
17211 if(nrCastlingRights) {
17212 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17213 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17214 /* castling indicator present, so default becomes no castlings */
17215 for(i=0; i<nrCastlingRights; i++ ) {
17216 board[CASTLING][i] = NoRights;
17219 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17220 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17221 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17222 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17223 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17225 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17226 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17227 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17229 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17230 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17231 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17232 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17233 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17234 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17237 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17238 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17239 board[CASTLING][2] = whiteKingFile;
17240 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17241 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17244 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17245 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17246 board[CASTLING][2] = whiteKingFile;
17247 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17248 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17251 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17252 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17253 board[CASTLING][5] = blackKingFile;
17254 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17255 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17258 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17259 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17260 board[CASTLING][5] = blackKingFile;
17261 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17262 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17265 default: /* FRC castlings */
17266 if(c >= 'a') { /* black rights */
17267 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17268 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17269 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17270 if(i == BOARD_RGHT) break;
17271 board[CASTLING][5] = i;
17273 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17274 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17276 board[CASTLING][3] = c;
17278 board[CASTLING][4] = c;
17279 } else { /* white rights */
17280 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17281 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17282 if(board[0][i] == WhiteKing) break;
17283 if(i == BOARD_RGHT) break;
17284 board[CASTLING][2] = i;
17285 c -= AAA - 'a' + 'A';
17286 if(board[0][c] >= WhiteKing) break;
17288 board[CASTLING][0] = c;
17290 board[CASTLING][1] = c;
17294 for(i=0; i<nrCastlingRights; i++)
17295 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17296 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17297 if (appData.debugMode) {
17298 fprintf(debugFP, "FEN castling rights:");
17299 for(i=0; i<nrCastlingRights; i++)
17300 fprintf(debugFP, " %d", board[CASTLING][i]);
17301 fprintf(debugFP, "\n");
17304 while(*p==' ') p++;
17307 /* read e.p. field in games that know e.p. capture */
17308 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17309 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17311 p++; board[EP_STATUS] = EP_NONE;
17313 char c = *p++ - AAA;
17315 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17316 if(*p >= '0' && *p <='9') p++;
17317 board[EP_STATUS] = c;
17322 if(sscanf(p, "%d", &i) == 1) {
17323 FENrulePlies = i; /* 50-move ply counter */
17324 /* (The move number is still ignored) */
17331 EditPositionPasteFEN (char *fen)
17334 Board initial_position;
17336 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17337 DisplayError(_("Bad FEN position in clipboard"), 0);
17340 int savedBlackPlaysFirst = blackPlaysFirst;
17341 EditPositionEvent();
17342 blackPlaysFirst = savedBlackPlaysFirst;
17343 CopyBoard(boards[0], initial_position);
17344 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17345 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17346 DisplayBothClocks();
17347 DrawPosition(FALSE, boards[currentMove]);
17352 static char cseq[12] = "\\ ";
17355 set_cont_sequence (char *new_seq)
17360 // handle bad attempts to set the sequence
17362 return 0; // acceptable error - no debug
17364 len = strlen(new_seq);
17365 ret = (len > 0) && (len < sizeof(cseq));
17367 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17368 else if (appData.debugMode)
17369 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17374 reformat a source message so words don't cross the width boundary. internal
17375 newlines are not removed. returns the wrapped size (no null character unless
17376 included in source message). If dest is NULL, only calculate the size required
17377 for the dest buffer. lp argument indicats line position upon entry, and it's
17378 passed back upon exit.
17381 wrap (char *dest, char *src, int count, int width, int *lp)
17383 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17385 cseq_len = strlen(cseq);
17386 old_line = line = *lp;
17387 ansi = len = clen = 0;
17389 for (i=0; i < count; i++)
17391 if (src[i] == '\033')
17394 // if we hit the width, back up
17395 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17397 // store i & len in case the word is too long
17398 old_i = i, old_len = len;
17400 // find the end of the last word
17401 while (i && src[i] != ' ' && src[i] != '\n')
17407 // word too long? restore i & len before splitting it
17408 if ((old_i-i+clen) >= width)
17415 if (i && src[i-1] == ' ')
17418 if (src[i] != ' ' && src[i] != '\n')
17425 // now append the newline and continuation sequence
17430 strncpy(dest+len, cseq, cseq_len);
17438 dest[len] = src[i];
17442 if (src[i] == '\n')
17447 if (dest && appData.debugMode)
17449 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17450 count, width, line, len, *lp);
17451 show_bytes(debugFP, src, count);
17452 fprintf(debugFP, "\ndest: ");
17453 show_bytes(debugFP, dest, len);
17454 fprintf(debugFP, "\n");
17456 *lp = dest ? line : old_line;
17461 // [HGM] vari: routines for shelving variations
17462 Boolean modeRestore = FALSE;
17465 PushInner (int firstMove, int lastMove)
17467 int i, j, nrMoves = lastMove - firstMove;
17469 // push current tail of game on stack
17470 savedResult[storedGames] = gameInfo.result;
17471 savedDetails[storedGames] = gameInfo.resultDetails;
17472 gameInfo.resultDetails = NULL;
17473 savedFirst[storedGames] = firstMove;
17474 savedLast [storedGames] = lastMove;
17475 savedFramePtr[storedGames] = framePtr;
17476 framePtr -= nrMoves; // reserve space for the boards
17477 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17478 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17479 for(j=0; j<MOVE_LEN; j++)
17480 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17481 for(j=0; j<2*MOVE_LEN; j++)
17482 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17483 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17484 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17485 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17486 pvInfoList[firstMove+i-1].depth = 0;
17487 commentList[framePtr+i] = commentList[firstMove+i];
17488 commentList[firstMove+i] = NULL;
17492 forwardMostMove = firstMove; // truncate game so we can start variation
17496 PushTail (int firstMove, int lastMove)
17498 if(appData.icsActive) { // only in local mode
17499 forwardMostMove = currentMove; // mimic old ICS behavior
17502 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17504 PushInner(firstMove, lastMove);
17505 if(storedGames == 1) GreyRevert(FALSE);
17506 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17510 PopInner (Boolean annotate)
17513 char buf[8000], moveBuf[20];
17515 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17516 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17517 nrMoves = savedLast[storedGames] - currentMove;
17520 if(!WhiteOnMove(currentMove))
17521 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17522 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17523 for(i=currentMove; i<forwardMostMove; i++) {
17525 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17526 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17527 strcat(buf, moveBuf);
17528 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17529 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17533 for(i=1; i<=nrMoves; i++) { // copy last variation back
17534 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17535 for(j=0; j<MOVE_LEN; j++)
17536 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17537 for(j=0; j<2*MOVE_LEN; j++)
17538 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17539 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17540 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17541 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17542 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17543 commentList[currentMove+i] = commentList[framePtr+i];
17544 commentList[framePtr+i] = NULL;
17546 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17547 framePtr = savedFramePtr[storedGames];
17548 gameInfo.result = savedResult[storedGames];
17549 if(gameInfo.resultDetails != NULL) {
17550 free(gameInfo.resultDetails);
17552 gameInfo.resultDetails = savedDetails[storedGames];
17553 forwardMostMove = currentMove + nrMoves;
17557 PopTail (Boolean annotate)
17559 if(appData.icsActive) return FALSE; // only in local mode
17560 if(!storedGames) return FALSE; // sanity
17561 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17563 PopInner(annotate);
17564 if(currentMove < forwardMostMove) ForwardEvent(); else
17565 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17567 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17573 { // remove all shelved variations
17575 for(i=0; i<storedGames; i++) {
17576 if(savedDetails[i])
17577 free(savedDetails[i]);
17578 savedDetails[i] = NULL;
17580 for(i=framePtr; i<MAX_MOVES; i++) {
17581 if(commentList[i]) free(commentList[i]);
17582 commentList[i] = NULL;
17584 framePtr = MAX_MOVES-1;
17589 LoadVariation (int index, char *text)
17590 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17591 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17592 int level = 0, move;
17594 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17595 // first find outermost bracketing variation
17596 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17597 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17598 if(*p == '{') wait = '}'; else
17599 if(*p == '[') wait = ']'; else
17600 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17601 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17603 if(*p == wait) wait = NULLCHAR; // closing ]} found
17606 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17607 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17608 end[1] = NULLCHAR; // clip off comment beyond variation
17609 ToNrEvent(currentMove-1);
17610 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17611 // kludge: use ParsePV() to append variation to game
17612 move = currentMove;
17613 ParsePV(start, TRUE, TRUE);
17614 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17615 ClearPremoveHighlights();
17617 ToNrEvent(currentMove+1);
17623 char *p, *q, buf[MSG_SIZ];
17624 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17625 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17626 ParseArgsFromString(buf);
17627 ActivateTheme(TRUE); // also redo colors
17631 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17634 q = appData.themeNames;
17635 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17636 if(appData.useBitmaps) {
17637 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17638 appData.liteBackTextureFile, appData.darkBackTextureFile,
17639 appData.liteBackTextureMode,
17640 appData.darkBackTextureMode );
17642 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17643 Col2Text(2), // lightSquareColor
17644 Col2Text(3) ); // darkSquareColor
17646 if(appData.useBorder) {
17647 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17650 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17652 if(appData.useFont) {
17653 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17654 appData.renderPiecesWithFont,
17655 appData.fontToPieceTable,
17656 Col2Text(9), // appData.fontBackColorWhite
17657 Col2Text(10) ); // appData.fontForeColorBlack
17659 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17660 appData.pieceDirectory);
17661 if(!appData.pieceDirectory[0])
17662 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17663 Col2Text(0), // whitePieceColor
17664 Col2Text(1) ); // blackPieceColor
17666 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17667 Col2Text(4), // highlightSquareColor
17668 Col2Text(5) ); // premoveHighlightColor
17669 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17670 if(insert != q) insert[-1] = NULLCHAR;
17671 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17674 ActivateTheme(FALSE);