2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
246 extern int tinyLayout, smallLayout;
247 ChessProgramStats programStats;
248 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
250 static int exiting = 0; /* [HGM] moved to top */
251 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
252 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
253 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
254 int partnerHighlight[2];
255 Boolean partnerBoardValid = 0;
256 char partnerStatus[MSG_SIZ];
258 Boolean originalFlip;
259 Boolean twoBoards = 0;
260 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
261 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
262 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
263 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
264 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
265 int opponentKibitzes;
266 int lastSavedGame; /* [HGM] save: ID of game */
267 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
268 extern int chatCount;
270 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 char lastMsg[MSG_SIZ];
272 ChessSquare pieceSweep = EmptySquare;
273 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
274 int promoDefaultAltered;
275 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
277 /* States for ics_getting_history */
279 #define H_REQUESTED 1
280 #define H_GOT_REQ_HEADER 2
281 #define H_GOT_UNREQ_HEADER 3
282 #define H_GETTING_MOVES 4
283 #define H_GOT_UNWANTED_HEADER 5
285 /* whosays values for GameEnds */
294 /* Maximum number of games in a cmail message */
295 #define CMAIL_MAX_GAMES 20
297 /* Different types of move when calling RegisterMove */
299 #define CMAIL_RESIGN 1
301 #define CMAIL_ACCEPT 3
303 /* Different types of result to remember for each game */
304 #define CMAIL_NOT_RESULT 0
305 #define CMAIL_OLD_RESULT 1
306 #define CMAIL_NEW_RESULT 2
308 /* Telnet protocol constants */
319 safeStrCpy (char *dst, const char *src, size_t count)
322 assert( dst != NULL );
323 assert( src != NULL );
326 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
327 if( i == count && dst[count-1] != NULLCHAR)
329 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
330 if(appData.debugMode)
331 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
337 /* Some compiler can't cast u64 to double
338 * This function do the job for us:
340 * We use the highest bit for cast, this only
341 * works if the highest bit is not
342 * in use (This should not happen)
344 * We used this for all compiler
347 u64ToDouble (u64 value)
350 u64 tmp = value & u64Const(0x7fffffffffffffff);
351 r = (double)(s64)tmp;
352 if (value & u64Const(0x8000000000000000))
353 r += 9.2233720368547758080e18; /* 2^63 */
357 /* Fake up flags for now, as we aren't keeping track of castling
358 availability yet. [HGM] Change of logic: the flag now only
359 indicates the type of castlings allowed by the rule of the game.
360 The actual rights themselves are maintained in the array
361 castlingRights, as part of the game history, and are not probed
367 int flags = F_ALL_CASTLE_OK;
368 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
369 switch (gameInfo.variant) {
371 flags &= ~F_ALL_CASTLE_OK;
372 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
373 flags |= F_IGNORE_CHECK;
375 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
378 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
380 case VariantKriegspiel:
381 flags |= F_KRIEGSPIEL_CAPTURE;
383 case VariantCapaRandom:
384 case VariantFischeRandom:
385 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
386 case VariantNoCastle:
387 case VariantShatranj:
391 flags &= ~F_ALL_CASTLE_OK;
399 FILE *gameFileFP, *debugFP, *serverFP;
400 char *currentDebugFile; // [HGM] debug split: to remember name
403 [AS] Note: sometimes, the sscanf() function is used to parse the input
404 into a fixed-size buffer. Because of this, we must be prepared to
405 receive strings as long as the size of the input buffer, which is currently
406 set to 4K for Windows and 8K for the rest.
407 So, we must either allocate sufficiently large buffers here, or
408 reduce the size of the input buffer in the input reading part.
411 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
412 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
413 char thinkOutput1[MSG_SIZ*10];
415 ChessProgramState first, second, pairing;
417 /* premove variables */
420 int premoveFromX = 0;
421 int premoveFromY = 0;
422 int premovePromoChar = 0;
424 Boolean alarmSounded;
425 /* end premove variables */
427 char *ics_prefix = "$";
428 enum ICS_TYPE ics_type = ICS_GENERIC;
430 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
431 int pauseExamForwardMostMove = 0;
432 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
433 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
434 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
435 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
436 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
437 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
438 int whiteFlag = FALSE, blackFlag = FALSE;
439 int userOfferedDraw = FALSE;
440 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
441 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
442 int cmailMoveType[CMAIL_MAX_GAMES];
443 long ics_clock_paused = 0;
444 ProcRef icsPR = NoProc, cmailPR = NoProc;
445 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
446 GameMode gameMode = BeginningOfGame;
447 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
448 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
449 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
450 int hiddenThinkOutputState = 0; /* [AS] */
451 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
452 int adjudicateLossPlies = 6;
453 char white_holding[64], black_holding[64];
454 TimeMark lastNodeCountTime;
455 long lastNodeCount=0;
456 int shiftKey, controlKey; // [HGM] set by mouse handler
458 int have_sent_ICS_logon = 0;
460 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
461 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
462 Boolean adjustedClock;
463 long timeControl_2; /* [AS] Allow separate time controls */
464 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
465 long timeRemaining[2][MAX_MOVES];
466 int matchGame = 0, nextGame = 0, roundNr = 0;
467 Boolean waitingForGame = FALSE;
468 TimeMark programStartTime, pauseStart;
469 char ics_handle[MSG_SIZ];
470 int have_set_title = 0;
472 /* animateTraining preserves the state of appData.animate
473 * when Training mode is activated. This allows the
474 * response to be animated when appData.animate == TRUE and
475 * appData.animateDragging == TRUE.
477 Boolean animateTraining;
483 Board boards[MAX_MOVES];
484 /* [HGM] Following 7 needed for accurate legality tests: */
485 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
486 signed char initialRights[BOARD_FILES];
487 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
488 int initialRulePlies, FENrulePlies;
489 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
491 Boolean shuffleOpenings;
492 int mute; // mute all sounds
494 // [HGM] vari: next 12 to save and restore variations
495 #define MAX_VARIATIONS 10
496 int framePtr = MAX_MOVES-1; // points to free stack entry
498 int savedFirst[MAX_VARIATIONS];
499 int savedLast[MAX_VARIATIONS];
500 int savedFramePtr[MAX_VARIATIONS];
501 char *savedDetails[MAX_VARIATIONS];
502 ChessMove savedResult[MAX_VARIATIONS];
504 void PushTail P((int firstMove, int lastMove));
505 Boolean PopTail P((Boolean annotate));
506 void PushInner P((int firstMove, int lastMove));
507 void PopInner P((Boolean annotate));
508 void CleanupTail P((void));
510 ChessSquare FIDEArray[2][BOARD_FILES] = {
511 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
512 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
513 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
514 BlackKing, BlackBishop, BlackKnight, BlackRook }
517 ChessSquare twoKingsArray[2][BOARD_FILES] = {
518 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
519 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
521 BlackKing, BlackKing, BlackKnight, BlackRook }
524 ChessSquare KnightmateArray[2][BOARD_FILES] = {
525 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
526 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
527 { BlackRook, BlackMan, BlackBishop, BlackQueen,
528 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
531 ChessSquare SpartanArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
533 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
534 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
535 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
538 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
539 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
541 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
542 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
545 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
546 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
547 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
548 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
549 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
552 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
553 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
554 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackMan, BlackFerz,
556 BlackKing, BlackMan, BlackKnight, BlackRook }
560 #if (BOARD_FILES>=10)
561 ChessSquare ShogiArray[2][BOARD_FILES] = {
562 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
563 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
564 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
565 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
568 ChessSquare XiangqiArray[2][BOARD_FILES] = {
569 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
570 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
571 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
572 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
575 ChessSquare CapablancaArray[2][BOARD_FILES] = {
576 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
577 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
579 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
582 ChessSquare GreatArray[2][BOARD_FILES] = {
583 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
584 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
585 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
586 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
589 ChessSquare JanusArray[2][BOARD_FILES] = {
590 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
591 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
592 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
593 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
596 ChessSquare GrandArray[2][BOARD_FILES] = {
597 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
598 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
599 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
600 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
604 ChessSquare GothicArray[2][BOARD_FILES] = {
605 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
606 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
607 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
608 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
611 #define GothicArray CapablancaArray
615 ChessSquare FalconArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
617 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
619 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
622 #define FalconArray CapablancaArray
625 #else // !(BOARD_FILES>=10)
626 #define XiangqiPosition FIDEArray
627 #define CapablancaArray FIDEArray
628 #define GothicArray FIDEArray
629 #define GreatArray FIDEArray
630 #endif // !(BOARD_FILES>=10)
632 #if (BOARD_FILES>=12)
633 ChessSquare CourierArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
635 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
636 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
637 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
639 #else // !(BOARD_FILES>=12)
640 #define CourierArray CapablancaArray
641 #endif // !(BOARD_FILES>=12)
644 Board initialPosition;
647 /* Convert str to a rating. Checks for special cases of "----",
649 "++++", etc. Also strips ()'s */
651 string_to_rating (char *str)
653 while(*str && !isdigit(*str)) ++str;
655 return 0; /* One of the special "no rating" cases */
663 /* Init programStats */
664 programStats.movelist[0] = 0;
665 programStats.depth = 0;
666 programStats.nr_moves = 0;
667 programStats.moves_left = 0;
668 programStats.nodes = 0;
669 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
670 programStats.score = 0;
671 programStats.got_only_move = 0;
672 programStats.got_fail = 0;
673 programStats.line_is_book = 0;
678 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
679 if (appData.firstPlaysBlack) {
680 first.twoMachinesColor = "black\n";
681 second.twoMachinesColor = "white\n";
683 first.twoMachinesColor = "white\n";
684 second.twoMachinesColor = "black\n";
687 first.other = &second;
688 second.other = &first;
691 if(appData.timeOddsMode) {
692 norm = appData.timeOdds[0];
693 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
695 first.timeOdds = appData.timeOdds[0]/norm;
696 second.timeOdds = appData.timeOdds[1]/norm;
699 if(programVersion) free(programVersion);
700 if (appData.noChessProgram) {
701 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
702 sprintf(programVersion, "%s", PACKAGE_STRING);
704 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
705 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
706 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
711 UnloadEngine (ChessProgramState *cps)
713 /* Kill off first chess program */
714 if (cps->isr != NULL)
715 RemoveInputSource(cps->isr);
718 if (cps->pr != NoProc) {
720 DoSleep( appData.delayBeforeQuit );
721 SendToProgram("quit\n", cps);
722 DoSleep( appData.delayAfterQuit );
723 DestroyChildProcess(cps->pr, cps->useSigterm);
726 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
730 ClearOptions (ChessProgramState *cps)
733 cps->nrOptions = cps->comboCnt = 0;
734 for(i=0; i<MAX_OPTIONS; i++) {
735 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
736 cps->option[i].textValue = 0;
740 char *engineNames[] = {
741 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
744 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
745 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
750 InitEngine (ChessProgramState *cps, int n)
751 { // [HGM] all engine initialiation put in a function that does one engine
755 cps->which = engineNames[n];
756 cps->maybeThinking = FALSE;
760 cps->sendDrawOffers = 1;
762 cps->program = appData.chessProgram[n];
763 cps->host = appData.host[n];
764 cps->dir = appData.directory[n];
765 cps->initString = appData.engInitString[n];
766 cps->computerString = appData.computerString[n];
767 cps->useSigint = TRUE;
768 cps->useSigterm = TRUE;
769 cps->reuse = appData.reuse[n];
770 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
771 cps->useSetboard = FALSE;
773 cps->usePing = FALSE;
776 cps->usePlayother = FALSE;
777 cps->useColors = TRUE;
778 cps->useUsermove = FALSE;
779 cps->sendICS = FALSE;
780 cps->sendName = appData.icsActive;
781 cps->sdKludge = FALSE;
782 cps->stKludge = FALSE;
783 TidyProgramName(cps->program, cps->host, cps->tidy);
785 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
786 cps->analysisSupport = 2; /* detect */
787 cps->analyzing = FALSE;
788 cps->initDone = FALSE;
790 /* New features added by Tord: */
791 cps->useFEN960 = FALSE;
792 cps->useOOCastle = TRUE;
793 /* End of new features added by Tord. */
794 cps->fenOverride = appData.fenOverride[n];
796 /* [HGM] time odds: set factor for each machine */
797 cps->timeOdds = appData.timeOdds[n];
799 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
800 cps->accumulateTC = appData.accumulateTC[n];
801 cps->maxNrOfSessions = 1;
806 cps->supportsNPS = UNKNOWN;
807 cps->memSize = FALSE;
808 cps->maxCores = FALSE;
809 cps->egtFormats[0] = NULLCHAR;
812 cps->optionSettings = appData.engOptions[n];
814 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
815 cps->isUCI = appData.isUCI[n]; /* [AS] */
816 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
818 if (appData.protocolVersion[n] > PROTOVER
819 || appData.protocolVersion[n] < 1)
824 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
825 appData.protocolVersion[n]);
826 if( (len >= MSG_SIZ) && appData.debugMode )
827 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
829 DisplayFatalError(buf, 0, 2);
833 cps->protocolVersion = appData.protocolVersion[n];
836 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
837 ParseFeatures(appData.featureDefaults, cps);
840 ChessProgramState *savCps;
846 if(WaitForEngine(savCps, LoadEngine)) return;
847 CommonEngineInit(); // recalculate time odds
848 if(gameInfo.variant != StringToVariant(appData.variant)) {
849 // we changed variant when loading the engine; this forces us to reset
850 Reset(TRUE, savCps != &first);
851 EditGameEvent(); // for consistency with other path, as Reset changes mode
853 InitChessProgram(savCps, FALSE);
854 SendToProgram("force\n", savCps);
855 DisplayMessage("", "");
856 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
857 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
863 ReplaceEngine (ChessProgramState *cps, int n)
867 appData.noChessProgram = FALSE;
868 appData.clockMode = TRUE;
871 if(n) return; // only startup first engine immediately; second can wait
872 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
876 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
877 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
879 static char resetOptions[] =
880 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
881 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
882 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
883 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
886 FloatToFront(char **list, char *engineLine)
888 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
890 if(appData.recentEngines <= 0) return;
891 TidyProgramName(engineLine, "localhost", tidy+1);
892 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
893 strncpy(buf+1, *list, MSG_SIZ-50);
894 if(p = strstr(buf, tidy)) { // tidy name appears in list
895 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
896 while(*p++ = *++q); // squeeze out
898 strcat(tidy, buf+1); // put list behind tidy name
899 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
900 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
901 ASSIGN(*list, tidy+1);
904 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
907 Load (ChessProgramState *cps, int i)
909 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
910 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
911 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
912 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
913 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
914 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
915 appData.firstProtocolVersion = PROTOVER;
916 ParseArgsFromString(buf);
918 ReplaceEngine(cps, i);
919 FloatToFront(&appData.recentEngineList, engineLine);
923 while(q = strchr(p, SLASH)) p = q+1;
924 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
925 if(engineDir[0] != NULLCHAR) {
926 ASSIGN(appData.directory[i], engineDir); p = engineName;
927 } else if(p != engineName) { // derive directory from engine path, when not given
929 ASSIGN(appData.directory[i], engineName);
931 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
932 } else { ASSIGN(appData.directory[i], "."); }
934 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
935 snprintf(command, MSG_SIZ, "%s %s", p, params);
938 ASSIGN(appData.chessProgram[i], p);
939 appData.isUCI[i] = isUCI;
940 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
941 appData.hasOwnBookUCI[i] = hasBook;
942 if(!nickName[0]) useNick = FALSE;
943 if(useNick) ASSIGN(appData.pgnName[i], nickName);
947 q = firstChessProgramNames;
948 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
949 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
950 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
951 quote, p, quote, appData.directory[i],
952 useNick ? " -fn \"" : "",
953 useNick ? nickName : "",
955 v1 ? " -firstProtocolVersion 1" : "",
956 hasBook ? "" : " -fNoOwnBookUCI",
957 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
958 storeVariant ? " -variant " : "",
959 storeVariant ? VariantName(gameInfo.variant) : "");
960 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
961 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
962 if(insert != q) insert[-1] = NULLCHAR;
963 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
965 FloatToFront(&appData.recentEngineList, buf);
967 ReplaceEngine(cps, i);
973 int matched, min, sec;
975 * Parse timeControl resource
977 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
978 appData.movesPerSession)) {
980 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
981 DisplayFatalError(buf, 0, 2);
985 * Parse searchTime resource
987 if (*appData.searchTime != NULLCHAR) {
988 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
990 searchTime = min * 60;
991 } else if (matched == 2) {
992 searchTime = min * 60 + sec;
995 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
996 DisplayFatalError(buf, 0, 2);
1005 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1006 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1008 GetTimeMark(&programStartTime);
1009 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1010 appData.seedBase = random() + (random()<<15);
1011 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1013 ClearProgramStats();
1014 programStats.ok_to_send = 1;
1015 programStats.seen_stat = 0;
1018 * Initialize game list
1024 * Internet chess server status
1026 if (appData.icsActive) {
1027 appData.matchMode = FALSE;
1028 appData.matchGames = 0;
1030 appData.noChessProgram = !appData.zippyPlay;
1032 appData.zippyPlay = FALSE;
1033 appData.zippyTalk = FALSE;
1034 appData.noChessProgram = TRUE;
1036 if (*appData.icsHelper != NULLCHAR) {
1037 appData.useTelnet = TRUE;
1038 appData.telnetProgram = appData.icsHelper;
1041 appData.zippyTalk = appData.zippyPlay = FALSE;
1044 /* [AS] Initialize pv info list [HGM] and game state */
1048 for( i=0; i<=framePtr; i++ ) {
1049 pvInfoList[i].depth = -1;
1050 boards[i][EP_STATUS] = EP_NONE;
1051 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1057 /* [AS] Adjudication threshold */
1058 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1060 InitEngine(&first, 0);
1061 InitEngine(&second, 1);
1064 pairing.which = "pairing"; // pairing engine
1065 pairing.pr = NoProc;
1067 pairing.program = appData.pairingEngine;
1068 pairing.host = "localhost";
1071 if (appData.icsActive) {
1072 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1073 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1074 appData.clockMode = FALSE;
1075 first.sendTime = second.sendTime = 0;
1079 /* Override some settings from environment variables, for backward
1080 compatibility. Unfortunately it's not feasible to have the env
1081 vars just set defaults, at least in xboard. Ugh.
1083 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1088 if (!appData.icsActive) {
1092 /* Check for variants that are supported only in ICS mode,
1093 or not at all. Some that are accepted here nevertheless
1094 have bugs; see comments below.
1096 VariantClass variant = StringToVariant(appData.variant);
1098 case VariantBughouse: /* need four players and two boards */
1099 case VariantKriegspiel: /* need to hide pieces and move details */
1100 /* case VariantFischeRandom: (Fabien: moved below) */
1101 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1102 if( (len >= MSG_SIZ) && appData.debugMode )
1103 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1105 DisplayFatalError(buf, 0, 2);
1108 case VariantUnknown:
1109 case VariantLoadable:
1119 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1120 if( (len >= MSG_SIZ) && appData.debugMode )
1121 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1123 DisplayFatalError(buf, 0, 2);
1126 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1127 case VariantFairy: /* [HGM] TestLegality definitely off! */
1128 case VariantGothic: /* [HGM] should work */
1129 case VariantCapablanca: /* [HGM] should work */
1130 case VariantCourier: /* [HGM] initial forced moves not implemented */
1131 case VariantShogi: /* [HGM] could still mate with pawn drop */
1132 case VariantKnightmate: /* [HGM] should work */
1133 case VariantCylinder: /* [HGM] untested */
1134 case VariantFalcon: /* [HGM] untested */
1135 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1136 offboard interposition not understood */
1137 case VariantNormal: /* definitely works! */
1138 case VariantWildCastle: /* pieces not automatically shuffled */
1139 case VariantNoCastle: /* pieces not automatically shuffled */
1140 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1141 case VariantLosers: /* should work except for win condition,
1142 and doesn't know captures are mandatory */
1143 case VariantSuicide: /* should work except for win condition,
1144 and doesn't know captures are mandatory */
1145 case VariantGiveaway: /* should work except for win condition,
1146 and doesn't know captures are mandatory */
1147 case VariantTwoKings: /* should work */
1148 case VariantAtomic: /* should work except for win condition */
1149 case Variant3Check: /* should work except for win condition */
1150 case VariantShatranj: /* should work except for all win conditions */
1151 case VariantMakruk: /* should work except for draw countdown */
1152 case VariantBerolina: /* might work if TestLegality is off */
1153 case VariantCapaRandom: /* should work */
1154 case VariantJanus: /* should work */
1155 case VariantSuper: /* experimental */
1156 case VariantGreat: /* experimental, requires legality testing to be off */
1157 case VariantSChess: /* S-Chess, should work */
1158 case VariantGrand: /* should work */
1159 case VariantSpartan: /* should work */
1167 NextIntegerFromString (char ** str, long * value)
1172 while( *s == ' ' || *s == '\t' ) {
1178 if( *s >= '0' && *s <= '9' ) {
1179 while( *s >= '0' && *s <= '9' ) {
1180 *value = *value * 10 + (*s - '0');
1193 NextTimeControlFromString (char ** str, long * value)
1196 int result = NextIntegerFromString( str, &temp );
1199 *value = temp * 60; /* Minutes */
1200 if( **str == ':' ) {
1202 result = NextIntegerFromString( str, &temp );
1203 *value += temp; /* Seconds */
1211 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1212 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1213 int result = -1, type = 0; long temp, temp2;
1215 if(**str != ':') return -1; // old params remain in force!
1217 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1218 if( NextIntegerFromString( str, &temp ) ) return -1;
1219 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1222 /* time only: incremental or sudden-death time control */
1223 if(**str == '+') { /* increment follows; read it */
1225 if(**str == '!') type = *(*str)++; // Bronstein TC
1226 if(result = NextIntegerFromString( str, &temp2)) return -1;
1227 *inc = temp2 * 1000;
1228 if(**str == '.') { // read fraction of increment
1229 char *start = ++(*str);
1230 if(result = NextIntegerFromString( str, &temp2)) return -1;
1232 while(start++ < *str) temp2 /= 10;
1236 *moves = 0; *tc = temp * 1000; *incType = type;
1240 (*str)++; /* classical time control */
1241 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1253 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1254 { /* [HGM] get time to add from the multi-session time-control string */
1255 int incType, moves=1; /* kludge to force reading of first session */
1256 long time, increment;
1259 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1261 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1262 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1263 if(movenr == -1) return time; /* last move before new session */
1264 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1265 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1266 if(!moves) return increment; /* current session is incremental */
1267 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1268 } while(movenr >= -1); /* try again for next session */
1270 return 0; // no new time quota on this move
1274 ParseTimeControl (char *tc, float ti, int mps)
1278 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1281 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1282 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1283 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1287 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1289 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1292 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1294 snprintf(buf, MSG_SIZ, ":%s", mytc);
1296 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1298 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1303 /* Parse second time control */
1306 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1314 timeControl_2 = tc2 * 1000;
1324 timeControl = tc1 * 1000;
1327 timeIncrement = ti * 1000; /* convert to ms */
1328 movesPerSession = 0;
1331 movesPerSession = mps;
1339 if (appData.debugMode) {
1340 fprintf(debugFP, "%s\n", programVersion);
1342 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1344 set_cont_sequence(appData.wrapContSeq);
1345 if (appData.matchGames > 0) {
1346 appData.matchMode = TRUE;
1347 } else if (appData.matchMode) {
1348 appData.matchGames = 1;
1350 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1351 appData.matchGames = appData.sameColorGames;
1352 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1353 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1354 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1357 if (appData.noChessProgram || first.protocolVersion == 1) {
1360 /* kludge: allow timeout for initial "feature" commands */
1362 DisplayMessage("", _("Starting chess program"));
1363 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1368 CalculateIndex (int index, int gameNr)
1369 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1371 if(index > 0) return index; // fixed nmber
1372 if(index == 0) return 1;
1373 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1374 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1379 LoadGameOrPosition (int gameNr)
1380 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1381 if (*appData.loadGameFile != NULLCHAR) {
1382 if (!LoadGameFromFile(appData.loadGameFile,
1383 CalculateIndex(appData.loadGameIndex, gameNr),
1384 appData.loadGameFile, FALSE)) {
1385 DisplayFatalError(_("Bad game file"), 0, 1);
1388 } else if (*appData.loadPositionFile != NULLCHAR) {
1389 if (!LoadPositionFromFile(appData.loadPositionFile,
1390 CalculateIndex(appData.loadPositionIndex, gameNr),
1391 appData.loadPositionFile)) {
1392 DisplayFatalError(_("Bad position file"), 0, 1);
1400 ReserveGame (int gameNr, char resChar)
1402 FILE *tf = fopen(appData.tourneyFile, "r+");
1403 char *p, *q, c, buf[MSG_SIZ];
1404 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1405 safeStrCpy(buf, lastMsg, MSG_SIZ);
1406 DisplayMessage(_("Pick new game"), "");
1407 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1408 ParseArgsFromFile(tf);
1409 p = q = appData.results;
1410 if(appData.debugMode) {
1411 char *r = appData.participants;
1412 fprintf(debugFP, "results = '%s'\n", p);
1413 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1414 fprintf(debugFP, "\n");
1416 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1418 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1419 safeStrCpy(q, p, strlen(p) + 2);
1420 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1421 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1422 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1423 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1426 fseek(tf, -(strlen(p)+4), SEEK_END);
1428 if(c != '"') // depending on DOS or Unix line endings we can be one off
1429 fseek(tf, -(strlen(p)+2), SEEK_END);
1430 else fseek(tf, -(strlen(p)+3), SEEK_END);
1431 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1432 DisplayMessage(buf, "");
1433 free(p); appData.results = q;
1434 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1435 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1436 int round = appData.defaultMatchGames * appData.tourneyType;
1437 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1438 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1439 UnloadEngine(&first); // next game belongs to other pairing;
1440 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1442 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1446 MatchEvent (int mode)
1447 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1449 if(matchMode) { // already in match mode: switch it off
1451 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1454 // if(gameMode != BeginningOfGame) {
1455 // DisplayError(_("You can only start a match from the initial position."), 0);
1459 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1460 /* Set up machine vs. machine match */
1462 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1463 if(appData.tourneyFile[0]) {
1465 if(nextGame > appData.matchGames) {
1467 if(strchr(appData.results, '*') == NULL) {
1469 appData.tourneyCycles++;
1470 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1472 NextTourneyGame(-1, &dummy);
1474 if(nextGame <= appData.matchGames) {
1475 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1477 ScheduleDelayedEvent(NextMatchGame, 10000);
1482 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1483 DisplayError(buf, 0);
1484 appData.tourneyFile[0] = 0;
1488 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1489 DisplayFatalError(_("Can't have a match with no chess programs"),
1494 matchGame = roundNr = 1;
1495 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1499 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1502 InitBackEnd3 P((void))
1504 GameMode initialMode;
1508 InitChessProgram(&first, startedFromSetupPosition);
1510 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1511 free(programVersion);
1512 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1513 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1514 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1517 if (appData.icsActive) {
1519 /* [DM] Make a console window if needed [HGM] merged ifs */
1525 if (*appData.icsCommPort != NULLCHAR)
1526 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1527 appData.icsCommPort);
1529 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1530 appData.icsHost, appData.icsPort);
1532 if( (len >= MSG_SIZ) && appData.debugMode )
1533 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1535 DisplayFatalError(buf, err, 1);
1540 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1542 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1543 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1544 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1545 } else if (appData.noChessProgram) {
1551 if (*appData.cmailGameName != NULLCHAR) {
1553 OpenLoopback(&cmailPR);
1555 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1559 DisplayMessage("", "");
1560 if (StrCaseCmp(appData.initialMode, "") == 0) {
1561 initialMode = BeginningOfGame;
1562 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1563 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1564 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1565 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1568 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1569 initialMode = TwoMachinesPlay;
1570 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1571 initialMode = AnalyzeFile;
1572 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1573 initialMode = AnalyzeMode;
1574 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1575 initialMode = MachinePlaysWhite;
1576 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1577 initialMode = MachinePlaysBlack;
1578 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1579 initialMode = EditGame;
1580 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1581 initialMode = EditPosition;
1582 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1583 initialMode = Training;
1585 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1586 if( (len >= MSG_SIZ) && appData.debugMode )
1587 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1589 DisplayFatalError(buf, 0, 2);
1593 if (appData.matchMode) {
1594 if(appData.tourneyFile[0]) { // start tourney from command line
1596 if(f = fopen(appData.tourneyFile, "r")) {
1597 ParseArgsFromFile(f); // make sure tourney parmeters re known
1599 appData.clockMode = TRUE;
1601 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1604 } else if (*appData.cmailGameName != NULLCHAR) {
1605 /* Set up cmail mode */
1606 ReloadCmailMsgEvent(TRUE);
1608 /* Set up other modes */
1609 if (initialMode == AnalyzeFile) {
1610 if (*appData.loadGameFile == NULLCHAR) {
1611 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1615 if (*appData.loadGameFile != NULLCHAR) {
1616 (void) LoadGameFromFile(appData.loadGameFile,
1617 appData.loadGameIndex,
1618 appData.loadGameFile, TRUE);
1619 } else if (*appData.loadPositionFile != NULLCHAR) {
1620 (void) LoadPositionFromFile(appData.loadPositionFile,
1621 appData.loadPositionIndex,
1622 appData.loadPositionFile);
1623 /* [HGM] try to make self-starting even after FEN load */
1624 /* to allow automatic setup of fairy variants with wtm */
1625 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1626 gameMode = BeginningOfGame;
1627 setboardSpoiledMachineBlack = 1;
1629 /* [HGM] loadPos: make that every new game uses the setup */
1630 /* from file as long as we do not switch variant */
1631 if(!blackPlaysFirst) {
1632 startedFromPositionFile = TRUE;
1633 CopyBoard(filePosition, boards[0]);
1636 if (initialMode == AnalyzeMode) {
1637 if (appData.noChessProgram) {
1638 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1641 if (appData.icsActive) {
1642 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1646 } else if (initialMode == AnalyzeFile) {
1647 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1648 ShowThinkingEvent();
1650 AnalysisPeriodicEvent(1);
1651 } else if (initialMode == MachinePlaysWhite) {
1652 if (appData.noChessProgram) {
1653 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1657 if (appData.icsActive) {
1658 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1662 MachineWhiteEvent();
1663 } else if (initialMode == MachinePlaysBlack) {
1664 if (appData.noChessProgram) {
1665 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1669 if (appData.icsActive) {
1670 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1674 MachineBlackEvent();
1675 } else if (initialMode == TwoMachinesPlay) {
1676 if (appData.noChessProgram) {
1677 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1681 if (appData.icsActive) {
1682 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1687 } else if (initialMode == EditGame) {
1689 } else if (initialMode == EditPosition) {
1690 EditPositionEvent();
1691 } else if (initialMode == Training) {
1692 if (*appData.loadGameFile == NULLCHAR) {
1693 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1702 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1704 DisplayBook(current+1);
1706 MoveHistorySet( movelist, first, last, current, pvInfoList );
1708 EvalGraphSet( first, last, current, pvInfoList );
1710 MakeEngineOutputTitle();
1714 * Establish will establish a contact to a remote host.port.
1715 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1716 * used to talk to the host.
1717 * Returns 0 if okay, error code if not.
1724 if (*appData.icsCommPort != NULLCHAR) {
1725 /* Talk to the host through a serial comm port */
1726 return OpenCommPort(appData.icsCommPort, &icsPR);
1728 } else if (*appData.gateway != NULLCHAR) {
1729 if (*appData.remoteShell == NULLCHAR) {
1730 /* Use the rcmd protocol to run telnet program on a gateway host */
1731 snprintf(buf, sizeof(buf), "%s %s %s",
1732 appData.telnetProgram, appData.icsHost, appData.icsPort);
1733 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1736 /* Use the rsh program to run telnet program on a gateway host */
1737 if (*appData.remoteUser == NULLCHAR) {
1738 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1739 appData.gateway, appData.telnetProgram,
1740 appData.icsHost, appData.icsPort);
1742 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1743 appData.remoteShell, appData.gateway,
1744 appData.remoteUser, appData.telnetProgram,
1745 appData.icsHost, appData.icsPort);
1747 return StartChildProcess(buf, "", &icsPR);
1750 } else if (appData.useTelnet) {
1751 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1754 /* TCP socket interface differs somewhat between
1755 Unix and NT; handle details in the front end.
1757 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1762 EscapeExpand (char *p, char *q)
1763 { // [HGM] initstring: routine to shape up string arguments
1764 while(*p++ = *q++) if(p[-1] == '\\')
1766 case 'n': p[-1] = '\n'; break;
1767 case 'r': p[-1] = '\r'; break;
1768 case 't': p[-1] = '\t'; break;
1769 case '\\': p[-1] = '\\'; break;
1770 case 0: *p = 0; return;
1771 default: p[-1] = q[-1]; break;
1776 show_bytes (FILE *fp, char *buf, int count)
1779 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1780 fprintf(fp, "\\%03o", *buf & 0xff);
1789 /* Returns an errno value */
1791 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1793 char buf[8192], *p, *q, *buflim;
1794 int left, newcount, outcount;
1796 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1797 *appData.gateway != NULLCHAR) {
1798 if (appData.debugMode) {
1799 fprintf(debugFP, ">ICS: ");
1800 show_bytes(debugFP, message, count);
1801 fprintf(debugFP, "\n");
1803 return OutputToProcess(pr, message, count, outError);
1806 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1813 if (appData.debugMode) {
1814 fprintf(debugFP, ">ICS: ");
1815 show_bytes(debugFP, buf, newcount);
1816 fprintf(debugFP, "\n");
1818 outcount = OutputToProcess(pr, buf, newcount, outError);
1819 if (outcount < newcount) return -1; /* to be sure */
1826 } else if (((unsigned char) *p) == TN_IAC) {
1827 *q++ = (char) TN_IAC;
1834 if (appData.debugMode) {
1835 fprintf(debugFP, ">ICS: ");
1836 show_bytes(debugFP, buf, newcount);
1837 fprintf(debugFP, "\n");
1839 outcount = OutputToProcess(pr, buf, newcount, outError);
1840 if (outcount < newcount) return -1; /* to be sure */
1845 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1847 int outError, outCount;
1848 static int gotEof = 0;
1851 /* Pass data read from player on to ICS */
1854 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1855 if (outCount < count) {
1856 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1858 if(have_sent_ICS_logon == 2) {
1859 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1860 fprintf(ini, "%s", message);
1861 have_sent_ICS_logon = 3;
1863 have_sent_ICS_logon = 1;
1864 } else if(have_sent_ICS_logon == 3) {
1865 fprintf(ini, "%s", message);
1867 have_sent_ICS_logon = 1;
1869 } else if (count < 0) {
1870 RemoveInputSource(isr);
1871 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1872 } else if (gotEof++ > 0) {
1873 RemoveInputSource(isr);
1874 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1880 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1881 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1882 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1883 SendToICS("date\n");
1884 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1887 /* added routine for printf style output to ics */
1889 ics_printf (char *format, ...)
1891 char buffer[MSG_SIZ];
1894 va_start(args, format);
1895 vsnprintf(buffer, sizeof(buffer), format, args);
1896 buffer[sizeof(buffer)-1] = '\0';
1904 int count, outCount, outError;
1906 if (icsPR == NoProc) return;
1909 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1910 if (outCount < count) {
1911 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1915 /* This is used for sending logon scripts to the ICS. Sending
1916 without a delay causes problems when using timestamp on ICC
1917 (at least on my machine). */
1919 SendToICSDelayed (char *s, long msdelay)
1921 int count, outCount, outError;
1923 if (icsPR == NoProc) return;
1926 if (appData.debugMode) {
1927 fprintf(debugFP, ">ICS: ");
1928 show_bytes(debugFP, s, count);
1929 fprintf(debugFP, "\n");
1931 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1933 if (outCount < count) {
1934 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1939 /* Remove all highlighting escape sequences in s
1940 Also deletes any suffix starting with '('
1943 StripHighlightAndTitle (char *s)
1945 static char retbuf[MSG_SIZ];
1948 while (*s != NULLCHAR) {
1949 while (*s == '\033') {
1950 while (*s != NULLCHAR && !isalpha(*s)) s++;
1951 if (*s != NULLCHAR) s++;
1953 while (*s != NULLCHAR && *s != '\033') {
1954 if (*s == '(' || *s == '[') {
1965 /* Remove all highlighting escape sequences in s */
1967 StripHighlight (char *s)
1969 static char retbuf[MSG_SIZ];
1972 while (*s != NULLCHAR) {
1973 while (*s == '\033') {
1974 while (*s != NULLCHAR && !isalpha(*s)) s++;
1975 if (*s != NULLCHAR) s++;
1977 while (*s != NULLCHAR && *s != '\033') {
1985 char *variantNames[] = VARIANT_NAMES;
1987 VariantName (VariantClass v)
1989 return variantNames[v];
1993 /* Identify a variant from the strings the chess servers use or the
1994 PGN Variant tag names we use. */
1996 StringToVariant (char *e)
2000 VariantClass v = VariantNormal;
2001 int i, found = FALSE;
2007 /* [HGM] skip over optional board-size prefixes */
2008 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2009 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2010 while( *e++ != '_');
2013 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2017 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2018 if (StrCaseStr(e, variantNames[i])) {
2019 v = (VariantClass) i;
2026 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2027 || StrCaseStr(e, "wild/fr")
2028 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2029 v = VariantFischeRandom;
2030 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2031 (i = 1, p = StrCaseStr(e, "w"))) {
2033 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2040 case 0: /* FICS only, actually */
2042 /* Castling legal even if K starts on d-file */
2043 v = VariantWildCastle;
2048 /* Castling illegal even if K & R happen to start in
2049 normal positions. */
2050 v = VariantNoCastle;
2063 /* Castling legal iff K & R start in normal positions */
2069 /* Special wilds for position setup; unclear what to do here */
2070 v = VariantLoadable;
2073 /* Bizarre ICC game */
2074 v = VariantTwoKings;
2077 v = VariantKriegspiel;
2083 v = VariantFischeRandom;
2086 v = VariantCrazyhouse;
2089 v = VariantBughouse;
2095 /* Not quite the same as FICS suicide! */
2096 v = VariantGiveaway;
2102 v = VariantShatranj;
2105 /* Temporary names for future ICC types. The name *will* change in
2106 the next xboard/WinBoard release after ICC defines it. */
2144 v = VariantCapablanca;
2147 v = VariantKnightmate;
2153 v = VariantCylinder;
2159 v = VariantCapaRandom;
2162 v = VariantBerolina;
2174 /* Found "wild" or "w" in the string but no number;
2175 must assume it's normal chess. */
2179 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2180 if( (len >= MSG_SIZ) && appData.debugMode )
2181 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2183 DisplayError(buf, 0);
2189 if (appData.debugMode) {
2190 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2191 e, wnum, VariantName(v));
2196 static int leftover_start = 0, leftover_len = 0;
2197 char star_match[STAR_MATCH_N][MSG_SIZ];
2199 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2200 advance *index beyond it, and set leftover_start to the new value of
2201 *index; else return FALSE. If pattern contains the character '*', it
2202 matches any sequence of characters not containing '\r', '\n', or the
2203 character following the '*' (if any), and the matched sequence(s) are
2204 copied into star_match.
2207 looking_at ( char *buf, int *index, char *pattern)
2209 char *bufp = &buf[*index], *patternp = pattern;
2211 char *matchp = star_match[0];
2214 if (*patternp == NULLCHAR) {
2215 *index = leftover_start = bufp - buf;
2219 if (*bufp == NULLCHAR) return FALSE;
2220 if (*patternp == '*') {
2221 if (*bufp == *(patternp + 1)) {
2223 matchp = star_match[++star_count];
2227 } else if (*bufp == '\n' || *bufp == '\r') {
2229 if (*patternp == NULLCHAR)
2234 *matchp++ = *bufp++;
2238 if (*patternp != *bufp) return FALSE;
2245 SendToPlayer (char *data, int length)
2247 int error, outCount;
2248 outCount = OutputToProcess(NoProc, data, length, &error);
2249 if (outCount < length) {
2250 DisplayFatalError(_("Error writing to display"), error, 1);
2255 PackHolding (char packed[], char *holding)
2265 switch (runlength) {
2276 sprintf(q, "%d", runlength);
2288 /* Telnet protocol requests from the front end */
2290 TelnetRequest (unsigned char ddww, unsigned char option)
2292 unsigned char msg[3];
2293 int outCount, outError;
2295 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2297 if (appData.debugMode) {
2298 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2314 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2323 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2326 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2331 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2333 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2340 if (!appData.icsActive) return;
2341 TelnetRequest(TN_DO, TN_ECHO);
2347 if (!appData.icsActive) return;
2348 TelnetRequest(TN_DONT, TN_ECHO);
2352 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2354 /* put the holdings sent to us by the server on the board holdings area */
2355 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2359 if(gameInfo.holdingsWidth < 2) return;
2360 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2361 return; // prevent overwriting by pre-board holdings
2363 if( (int)lowestPiece >= BlackPawn ) {
2366 holdingsStartRow = BOARD_HEIGHT-1;
2369 holdingsColumn = BOARD_WIDTH-1;
2370 countsColumn = BOARD_WIDTH-2;
2371 holdingsStartRow = 0;
2375 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2376 board[i][holdingsColumn] = EmptySquare;
2377 board[i][countsColumn] = (ChessSquare) 0;
2379 while( (p=*holdings++) != NULLCHAR ) {
2380 piece = CharToPiece( ToUpper(p) );
2381 if(piece == EmptySquare) continue;
2382 /*j = (int) piece - (int) WhitePawn;*/
2383 j = PieceToNumber(piece);
2384 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2385 if(j < 0) continue; /* should not happen */
2386 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2387 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2388 board[holdingsStartRow+j*direction][countsColumn]++;
2394 VariantSwitch (Board board, VariantClass newVariant)
2396 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2397 static Board oldBoard;
2399 startedFromPositionFile = FALSE;
2400 if(gameInfo.variant == newVariant) return;
2402 /* [HGM] This routine is called each time an assignment is made to
2403 * gameInfo.variant during a game, to make sure the board sizes
2404 * are set to match the new variant. If that means adding or deleting
2405 * holdings, we shift the playing board accordingly
2406 * This kludge is needed because in ICS observe mode, we get boards
2407 * of an ongoing game without knowing the variant, and learn about the
2408 * latter only later. This can be because of the move list we requested,
2409 * in which case the game history is refilled from the beginning anyway,
2410 * but also when receiving holdings of a crazyhouse game. In the latter
2411 * case we want to add those holdings to the already received position.
2415 if (appData.debugMode) {
2416 fprintf(debugFP, "Switch board from %s to %s\n",
2417 VariantName(gameInfo.variant), VariantName(newVariant));
2418 setbuf(debugFP, NULL);
2420 shuffleOpenings = 0; /* [HGM] shuffle */
2421 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2425 newWidth = 9; newHeight = 9;
2426 gameInfo.holdingsSize = 7;
2427 case VariantBughouse:
2428 case VariantCrazyhouse:
2429 newHoldingsWidth = 2; break;
2433 newHoldingsWidth = 2;
2434 gameInfo.holdingsSize = 8;
2437 case VariantCapablanca:
2438 case VariantCapaRandom:
2441 newHoldingsWidth = gameInfo.holdingsSize = 0;
2444 if(newWidth != gameInfo.boardWidth ||
2445 newHeight != gameInfo.boardHeight ||
2446 newHoldingsWidth != gameInfo.holdingsWidth ) {
2448 /* shift position to new playing area, if needed */
2449 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2450 for(i=0; i<BOARD_HEIGHT; i++)
2451 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2452 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2454 for(i=0; i<newHeight; i++) {
2455 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2456 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2458 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2459 for(i=0; i<BOARD_HEIGHT; i++)
2460 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2461 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2464 board[HOLDINGS_SET] = 0;
2465 gameInfo.boardWidth = newWidth;
2466 gameInfo.boardHeight = newHeight;
2467 gameInfo.holdingsWidth = newHoldingsWidth;
2468 gameInfo.variant = newVariant;
2469 InitDrawingSizes(-2, 0);
2470 } else gameInfo.variant = newVariant;
2471 CopyBoard(oldBoard, board); // remember correctly formatted board
2472 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2473 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2476 static int loggedOn = FALSE;
2478 /*-- Game start info cache: --*/
2480 char gs_kind[MSG_SIZ];
2481 static char player1Name[128] = "";
2482 static char player2Name[128] = "";
2483 static char cont_seq[] = "\n\\ ";
2484 static int player1Rating = -1;
2485 static int player2Rating = -1;
2486 /*----------------------------*/
2488 ColorClass curColor = ColorNormal;
2489 int suppressKibitz = 0;
2492 Boolean soughtPending = FALSE;
2493 Boolean seekGraphUp;
2494 #define MAX_SEEK_ADS 200
2496 char *seekAdList[MAX_SEEK_ADS];
2497 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2498 float tcList[MAX_SEEK_ADS];
2499 char colorList[MAX_SEEK_ADS];
2500 int nrOfSeekAds = 0;
2501 int minRating = 1010, maxRating = 2800;
2502 int hMargin = 10, vMargin = 20, h, w;
2503 extern int squareSize, lineGap;
2508 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2509 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2510 if(r < minRating+100 && r >=0 ) r = minRating+100;
2511 if(r > maxRating) r = maxRating;
2512 if(tc < 1.f) tc = 1.f;
2513 if(tc > 95.f) tc = 95.f;
2514 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2515 y = ((double)r - minRating)/(maxRating - minRating)
2516 * (h-vMargin-squareSize/8-1) + vMargin;
2517 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2518 if(strstr(seekAdList[i], " u ")) color = 1;
2519 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2520 !strstr(seekAdList[i], "bullet") &&
2521 !strstr(seekAdList[i], "blitz") &&
2522 !strstr(seekAdList[i], "standard") ) color = 2;
2523 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2524 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2528 PlotSingleSeekAd (int i)
2534 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2536 char buf[MSG_SIZ], *ext = "";
2537 VariantClass v = StringToVariant(type);
2538 if(strstr(type, "wild")) {
2539 ext = type + 4; // append wild number
2540 if(v == VariantFischeRandom) type = "chess960"; else
2541 if(v == VariantLoadable) type = "setup"; else
2542 type = VariantName(v);
2544 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2545 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2546 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2547 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2548 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2549 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2550 seekNrList[nrOfSeekAds] = nr;
2551 zList[nrOfSeekAds] = 0;
2552 seekAdList[nrOfSeekAds++] = StrSave(buf);
2553 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2558 EraseSeekDot (int i)
2560 int x = xList[i], y = yList[i], d=squareSize/4, k;
2561 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2562 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2563 // now replot every dot that overlapped
2564 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2565 int xx = xList[k], yy = yList[k];
2566 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2567 DrawSeekDot(xx, yy, colorList[k]);
2572 RemoveSeekAd (int nr)
2575 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2577 if(seekAdList[i]) free(seekAdList[i]);
2578 seekAdList[i] = seekAdList[--nrOfSeekAds];
2579 seekNrList[i] = seekNrList[nrOfSeekAds];
2580 ratingList[i] = ratingList[nrOfSeekAds];
2581 colorList[i] = colorList[nrOfSeekAds];
2582 tcList[i] = tcList[nrOfSeekAds];
2583 xList[i] = xList[nrOfSeekAds];
2584 yList[i] = yList[nrOfSeekAds];
2585 zList[i] = zList[nrOfSeekAds];
2586 seekAdList[nrOfSeekAds] = NULL;
2592 MatchSoughtLine (char *line)
2594 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2595 int nr, base, inc, u=0; char dummy;
2597 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2598 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2600 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2601 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2602 // match: compact and save the line
2603 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2613 if(!seekGraphUp) return FALSE;
2614 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2615 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2617 DrawSeekBackground(0, 0, w, h);
2618 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2619 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2620 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2621 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2623 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2626 snprintf(buf, MSG_SIZ, "%d", i);
2627 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2630 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2631 for(i=1; i<100; i+=(i<10?1:5)) {
2632 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2633 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2634 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2636 snprintf(buf, MSG_SIZ, "%d", i);
2637 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2640 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2645 SeekGraphClick (ClickType click, int x, int y, int moving)
2647 static int lastDown = 0, displayed = 0, lastSecond;
2648 if(y < 0) return FALSE;
2649 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2650 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2651 if(!seekGraphUp) return FALSE;
2652 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2653 DrawPosition(TRUE, NULL);
2656 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2657 if(click == Release || moving) return FALSE;
2659 soughtPending = TRUE;
2660 SendToICS(ics_prefix);
2661 SendToICS("sought\n"); // should this be "sought all"?
2662 } else { // issue challenge based on clicked ad
2663 int dist = 10000; int i, closest = 0, second = 0;
2664 for(i=0; i<nrOfSeekAds; i++) {
2665 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2666 if(d < dist) { dist = d; closest = i; }
2667 second += (d - zList[i] < 120); // count in-range ads
2668 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2672 second = (second > 1);
2673 if(displayed != closest || second != lastSecond) {
2674 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2675 lastSecond = second; displayed = closest;
2677 if(click == Press) {
2678 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2681 } // on press 'hit', only show info
2682 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2683 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2684 SendToICS(ics_prefix);
2686 return TRUE; // let incoming board of started game pop down the graph
2687 } else if(click == Release) { // release 'miss' is ignored
2688 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2689 if(moving == 2) { // right up-click
2690 nrOfSeekAds = 0; // refresh graph
2691 soughtPending = TRUE;
2692 SendToICS(ics_prefix);
2693 SendToICS("sought\n"); // should this be "sought all"?
2696 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2697 // press miss or release hit 'pop down' seek graph
2698 seekGraphUp = FALSE;
2699 DrawPosition(TRUE, NULL);
2705 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2707 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2708 #define STARTED_NONE 0
2709 #define STARTED_MOVES 1
2710 #define STARTED_BOARD 2
2711 #define STARTED_OBSERVE 3
2712 #define STARTED_HOLDINGS 4
2713 #define STARTED_CHATTER 5
2714 #define STARTED_COMMENT 6
2715 #define STARTED_MOVES_NOHIDE 7
2717 static int started = STARTED_NONE;
2718 static char parse[20000];
2719 static int parse_pos = 0;
2720 static char buf[BUF_SIZE + 1];
2721 static int firstTime = TRUE, intfSet = FALSE;
2722 static ColorClass prevColor = ColorNormal;
2723 static int savingComment = FALSE;
2724 static int cmatch = 0; // continuation sequence match
2731 int backup; /* [DM] For zippy color lines */
2733 char talker[MSG_SIZ]; // [HGM] chat
2736 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2738 if (appData.debugMode) {
2740 fprintf(debugFP, "<ICS: ");
2741 show_bytes(debugFP, data, count);
2742 fprintf(debugFP, "\n");
2746 if (appData.debugMode) { int f = forwardMostMove;
2747 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2748 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2749 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2752 /* If last read ended with a partial line that we couldn't parse,
2753 prepend it to the new read and try again. */
2754 if (leftover_len > 0) {
2755 for (i=0; i<leftover_len; i++)
2756 buf[i] = buf[leftover_start + i];
2759 /* copy new characters into the buffer */
2760 bp = buf + leftover_len;
2761 buf_len=leftover_len;
2762 for (i=0; i<count; i++)
2765 if (data[i] == '\r')
2768 // join lines split by ICS?
2769 if (!appData.noJoin)
2772 Joining just consists of finding matches against the
2773 continuation sequence, and discarding that sequence
2774 if found instead of copying it. So, until a match
2775 fails, there's nothing to do since it might be the
2776 complete sequence, and thus, something we don't want
2779 if (data[i] == cont_seq[cmatch])
2782 if (cmatch == strlen(cont_seq))
2784 cmatch = 0; // complete match. just reset the counter
2787 it's possible for the ICS to not include the space
2788 at the end of the last word, making our [correct]
2789 join operation fuse two separate words. the server
2790 does this when the space occurs at the width setting.
2792 if (!buf_len || buf[buf_len-1] != ' ')
2803 match failed, so we have to copy what matched before
2804 falling through and copying this character. In reality,
2805 this will only ever be just the newline character, but
2806 it doesn't hurt to be precise.
2808 strncpy(bp, cont_seq, cmatch);
2820 buf[buf_len] = NULLCHAR;
2821 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2826 while (i < buf_len) {
2827 /* Deal with part of the TELNET option negotiation
2828 protocol. We refuse to do anything beyond the
2829 defaults, except that we allow the WILL ECHO option,
2830 which ICS uses to turn off password echoing when we are
2831 directly connected to it. We reject this option
2832 if localLineEditing mode is on (always on in xboard)
2833 and we are talking to port 23, which might be a real
2834 telnet server that will try to keep WILL ECHO on permanently.
2836 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2837 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2838 unsigned char option;
2840 switch ((unsigned char) buf[++i]) {
2842 if (appData.debugMode)
2843 fprintf(debugFP, "\n<WILL ");
2844 switch (option = (unsigned char) buf[++i]) {
2846 if (appData.debugMode)
2847 fprintf(debugFP, "ECHO ");
2848 /* Reply only if this is a change, according
2849 to the protocol rules. */
2850 if (remoteEchoOption) break;
2851 if (appData.localLineEditing &&
2852 atoi(appData.icsPort) == TN_PORT) {
2853 TelnetRequest(TN_DONT, TN_ECHO);
2856 TelnetRequest(TN_DO, TN_ECHO);
2857 remoteEchoOption = TRUE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", option);
2863 /* Whatever this is, we don't want it. */
2864 TelnetRequest(TN_DONT, option);
2869 if (appData.debugMode)
2870 fprintf(debugFP, "\n<WONT ");
2871 switch (option = (unsigned char) buf[++i]) {
2873 if (appData.debugMode)
2874 fprintf(debugFP, "ECHO ");
2875 /* Reply only if this is a change, according
2876 to the protocol rules. */
2877 if (!remoteEchoOption) break;
2879 TelnetRequest(TN_DONT, TN_ECHO);
2880 remoteEchoOption = FALSE;
2883 if (appData.debugMode)
2884 fprintf(debugFP, "%d ", (unsigned char) option);
2885 /* Whatever this is, it must already be turned
2886 off, because we never agree to turn on
2887 anything non-default, so according to the
2888 protocol rules, we don't reply. */
2893 if (appData.debugMode)
2894 fprintf(debugFP, "\n<DO ");
2895 switch (option = (unsigned char) buf[++i]) {
2897 /* Whatever this is, we refuse to do it. */
2898 if (appData.debugMode)
2899 fprintf(debugFP, "%d ", option);
2900 TelnetRequest(TN_WONT, option);
2905 if (appData.debugMode)
2906 fprintf(debugFP, "\n<DONT ");
2907 switch (option = (unsigned char) buf[++i]) {
2909 if (appData.debugMode)
2910 fprintf(debugFP, "%d ", option);
2911 /* Whatever this is, we are already not doing
2912 it, because we never agree to do anything
2913 non-default, so according to the protocol
2914 rules, we don't reply. */
2919 if (appData.debugMode)
2920 fprintf(debugFP, "\n<IAC ");
2921 /* Doubled IAC; pass it through */
2925 if (appData.debugMode)
2926 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2927 /* Drop all other telnet commands on the floor */
2930 if (oldi > next_out)
2931 SendToPlayer(&buf[next_out], oldi - next_out);
2937 /* OK, this at least will *usually* work */
2938 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2942 if (loggedOn && !intfSet) {
2943 if (ics_type == ICS_ICC) {
2944 snprintf(str, MSG_SIZ,
2945 "/set-quietly interface %s\n/set-quietly style 12\n",
2947 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2948 strcat(str, "/set-2 51 1\n/set seek 1\n");
2949 } else if (ics_type == ICS_CHESSNET) {
2950 snprintf(str, MSG_SIZ, "/style 12\n");
2952 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2953 strcat(str, programVersion);
2954 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2955 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2956 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2958 strcat(str, "$iset nohighlight 1\n");
2960 strcat(str, "$iset lock 1\n$style 12\n");
2963 NotifyFrontendLogin();
2967 if (started == STARTED_COMMENT) {
2968 /* Accumulate characters in comment */
2969 parse[parse_pos++] = buf[i];
2970 if (buf[i] == '\n') {
2971 parse[parse_pos] = NULLCHAR;
2972 if(chattingPartner>=0) {
2974 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2975 OutputChatMessage(chattingPartner, mess);
2976 chattingPartner = -1;
2977 next_out = i+1; // [HGM] suppress printing in ICS window
2979 if(!suppressKibitz) // [HGM] kibitz
2980 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2981 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2982 int nrDigit = 0, nrAlph = 0, j;
2983 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2984 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2985 parse[parse_pos] = NULLCHAR;
2986 // try to be smart: if it does not look like search info, it should go to
2987 // ICS interaction window after all, not to engine-output window.
2988 for(j=0; j<parse_pos; j++) { // count letters and digits
2989 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2990 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2991 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2993 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2994 int depth=0; float score;
2995 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2996 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2997 pvInfoList[forwardMostMove-1].depth = depth;
2998 pvInfoList[forwardMostMove-1].score = 100*score;
3000 OutputKibitz(suppressKibitz, parse);
3003 if(gameMode == IcsObserving) // restore original ICS messages
3004 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3006 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3007 SendToPlayer(tmp, strlen(tmp));
3009 next_out = i+1; // [HGM] suppress printing in ICS window
3011 started = STARTED_NONE;
3013 /* Don't match patterns against characters in comment */
3018 if (started == STARTED_CHATTER) {
3019 if (buf[i] != '\n') {
3020 /* Don't match patterns against characters in chatter */
3024 started = STARTED_NONE;
3025 if(suppressKibitz) next_out = i+1;
3028 /* Kludge to deal with rcmd protocol */
3029 if (firstTime && looking_at(buf, &i, "\001*")) {
3030 DisplayFatalError(&buf[1], 0, 1);
3036 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3039 if (appData.debugMode)
3040 fprintf(debugFP, "ics_type %d\n", ics_type);
3043 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3044 ics_type = ICS_FICS;
3046 if (appData.debugMode)
3047 fprintf(debugFP, "ics_type %d\n", ics_type);
3050 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3051 ics_type = ICS_CHESSNET;
3053 if (appData.debugMode)
3054 fprintf(debugFP, "ics_type %d\n", ics_type);
3059 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3060 looking_at(buf, &i, "Logging you in as \"*\"") ||
3061 looking_at(buf, &i, "will be \"*\""))) {
3062 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3066 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3068 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3069 DisplayIcsInteractionTitle(buf);
3070 have_set_title = TRUE;
3073 /* skip finger notes */
3074 if (started == STARTED_NONE &&
3075 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3076 (buf[i] == '1' && buf[i+1] == '0')) &&
3077 buf[i+2] == ':' && buf[i+3] == ' ') {
3078 started = STARTED_CHATTER;
3084 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3085 if(appData.seekGraph) {
3086 if(soughtPending && MatchSoughtLine(buf+i)) {
3087 i = strstr(buf+i, "rated") - buf;
3088 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3089 next_out = leftover_start = i;
3090 started = STARTED_CHATTER;
3091 suppressKibitz = TRUE;
3094 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3095 && looking_at(buf, &i, "* ads displayed")) {
3096 soughtPending = FALSE;
3101 if(appData.autoRefresh) {
3102 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3103 int s = (ics_type == ICS_ICC); // ICC format differs
3105 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3106 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3107 looking_at(buf, &i, "*% "); // eat prompt
3108 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3109 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3110 next_out = i; // suppress
3113 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3114 char *p = star_match[0];
3116 if(seekGraphUp) RemoveSeekAd(atoi(p));
3117 while(*p && *p++ != ' '); // next
3119 looking_at(buf, &i, "*% "); // eat prompt
3120 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3127 /* skip formula vars */
3128 if (started == STARTED_NONE &&
3129 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3130 started = STARTED_CHATTER;
3135 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3136 if (appData.autoKibitz && started == STARTED_NONE &&
3137 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3138 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3139 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3140 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3141 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3142 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3143 suppressKibitz = TRUE;
3144 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3146 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3147 && (gameMode == IcsPlayingWhite)) ||
3148 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3149 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3150 started = STARTED_CHATTER; // own kibitz we simply discard
3152 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3153 parse_pos = 0; parse[0] = NULLCHAR;
3154 savingComment = TRUE;
3155 suppressKibitz = gameMode != IcsObserving ? 2 :
3156 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3160 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3161 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3162 && atoi(star_match[0])) {
3163 // suppress the acknowledgements of our own autoKibitz
3165 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3166 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3167 SendToPlayer(star_match[0], strlen(star_match[0]));
3168 if(looking_at(buf, &i, "*% ")) // eat prompt
3169 suppressKibitz = FALSE;
3173 } // [HGM] kibitz: end of patch
3175 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3177 // [HGM] chat: intercept tells by users for which we have an open chat window
3179 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3180 looking_at(buf, &i, "* whispers:") ||
3181 looking_at(buf, &i, "* kibitzes:") ||
3182 looking_at(buf, &i, "* shouts:") ||
3183 looking_at(buf, &i, "* c-shouts:") ||
3184 looking_at(buf, &i, "--> * ") ||
3185 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3186 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3187 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3188 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3190 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3191 chattingPartner = -1;
3193 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3194 for(p=0; p<MAX_CHAT; p++) {
3195 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3196 talker[0] = '['; strcat(talker, "] ");
3197 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3198 chattingPartner = p; break;
3201 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("kibitzes", chatPartner[p])) {
3204 talker[0] = '['; strcat(talker, "] ");
3205 chattingPartner = p; break;
3208 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3209 for(p=0; p<MAX_CHAT; p++) {
3210 if(!strcmp("whispers", chatPartner[p])) {
3211 talker[0] = '['; strcat(talker, "] ");
3212 chattingPartner = p; break;
3215 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3216 if(buf[i-8] == '-' && buf[i-3] == 't')
3217 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3218 if(!strcmp("c-shouts", chatPartner[p])) {
3219 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3220 chattingPartner = p; break;
3223 if(chattingPartner < 0)
3224 for(p=0; p<MAX_CHAT; p++) {
3225 if(!strcmp("shouts", chatPartner[p])) {
3226 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3227 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3228 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3229 chattingPartner = p; break;
3233 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3234 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3235 talker[0] = 0; Colorize(ColorTell, FALSE);
3236 chattingPartner = p; break;
3238 if(chattingPartner<0) i = oldi; else {
3239 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3240 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3241 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3242 started = STARTED_COMMENT;
3243 parse_pos = 0; parse[0] = NULLCHAR;
3244 savingComment = 3 + chattingPartner; // counts as TRUE
3245 suppressKibitz = TRUE;
3248 } // [HGM] chat: end of patch
3251 if (appData.zippyTalk || appData.zippyPlay) {
3252 /* [DM] Backup address for color zippy lines */
3254 if (loggedOn == TRUE)
3255 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3256 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3258 } // [DM] 'else { ' deleted
3260 /* Regular tells and says */
3261 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3262 looking_at(buf, &i, "* (your partner) tells you: ") ||
3263 looking_at(buf, &i, "* says: ") ||
3264 /* Don't color "message" or "messages" output */
3265 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3266 looking_at(buf, &i, "*. * at *:*: ") ||
3267 looking_at(buf, &i, "--* (*:*): ") ||
3268 /* Message notifications (same color as tells) */
3269 looking_at(buf, &i, "* has left a message ") ||
3270 looking_at(buf, &i, "* just sent you a message:\n") ||
3271 /* Whispers and kibitzes */
3272 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3273 looking_at(buf, &i, "* kibitzes: ") ||
3275 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3277 if (tkind == 1 && strchr(star_match[0], ':')) {
3278 /* Avoid "tells you:" spoofs in channels */
3281 if (star_match[0][0] == NULLCHAR ||
3282 strchr(star_match[0], ' ') ||
3283 (tkind == 3 && strchr(star_match[1], ' '))) {
3284 /* Reject bogus matches */
3287 if (appData.colorize) {
3288 if (oldi > next_out) {
3289 SendToPlayer(&buf[next_out], oldi - next_out);
3294 Colorize(ColorTell, FALSE);
3295 curColor = ColorTell;
3298 Colorize(ColorKibitz, FALSE);
3299 curColor = ColorKibitz;
3302 p = strrchr(star_match[1], '(');
3309 Colorize(ColorChannel1, FALSE);
3310 curColor = ColorChannel1;
3312 Colorize(ColorChannel, FALSE);
3313 curColor = ColorChannel;
3317 curColor = ColorNormal;
3321 if (started == STARTED_NONE && appData.autoComment &&
3322 (gameMode == IcsObserving ||
3323 gameMode == IcsPlayingWhite ||
3324 gameMode == IcsPlayingBlack)) {
3325 parse_pos = i - oldi;
3326 memcpy(parse, &buf[oldi], parse_pos);
3327 parse[parse_pos] = NULLCHAR;
3328 started = STARTED_COMMENT;
3329 savingComment = TRUE;
3331 started = STARTED_CHATTER;
3332 savingComment = FALSE;
3339 if (looking_at(buf, &i, "* s-shouts: ") ||
3340 looking_at(buf, &i, "* c-shouts: ")) {
3341 if (appData.colorize) {
3342 if (oldi > next_out) {
3343 SendToPlayer(&buf[next_out], oldi - next_out);
3346 Colorize(ColorSShout, FALSE);
3347 curColor = ColorSShout;
3350 started = STARTED_CHATTER;
3354 if (looking_at(buf, &i, "--->")) {
3359 if (looking_at(buf, &i, "* shouts: ") ||
3360 looking_at(buf, &i, "--> ")) {
3361 if (appData.colorize) {
3362 if (oldi > next_out) {
3363 SendToPlayer(&buf[next_out], oldi - next_out);
3366 Colorize(ColorShout, FALSE);
3367 curColor = ColorShout;
3370 started = STARTED_CHATTER;
3374 if (looking_at( buf, &i, "Challenge:")) {
3375 if (appData.colorize) {
3376 if (oldi > next_out) {
3377 SendToPlayer(&buf[next_out], oldi - next_out);
3380 Colorize(ColorChallenge, FALSE);
3381 curColor = ColorChallenge;
3387 if (looking_at(buf, &i, "* offers you") ||
3388 looking_at(buf, &i, "* offers to be") ||
3389 looking_at(buf, &i, "* would like to") ||
3390 looking_at(buf, &i, "* requests to") ||
3391 looking_at(buf, &i, "Your opponent offers") ||
3392 looking_at(buf, &i, "Your opponent requests")) {
3394 if (appData.colorize) {
3395 if (oldi > next_out) {
3396 SendToPlayer(&buf[next_out], oldi - next_out);
3399 Colorize(ColorRequest, FALSE);
3400 curColor = ColorRequest;
3405 if (looking_at(buf, &i, "* (*) seeking")) {
3406 if (appData.colorize) {
3407 if (oldi > next_out) {
3408 SendToPlayer(&buf[next_out], oldi - next_out);
3411 Colorize(ColorSeek, FALSE);
3412 curColor = ColorSeek;
3417 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3419 if (looking_at(buf, &i, "\\ ")) {
3420 if (prevColor != ColorNormal) {
3421 if (oldi > next_out) {
3422 SendToPlayer(&buf[next_out], oldi - next_out);
3425 Colorize(prevColor, TRUE);
3426 curColor = prevColor;
3428 if (savingComment) {
3429 parse_pos = i - oldi;
3430 memcpy(parse, &buf[oldi], parse_pos);
3431 parse[parse_pos] = NULLCHAR;
3432 started = STARTED_COMMENT;
3433 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3434 chattingPartner = savingComment - 3; // kludge to remember the box
3436 started = STARTED_CHATTER;
3441 if (looking_at(buf, &i, "Black Strength :") ||
3442 looking_at(buf, &i, "<<< style 10 board >>>") ||
3443 looking_at(buf, &i, "<10>") ||
3444 looking_at(buf, &i, "#@#")) {
3445 /* Wrong board style */
3447 SendToICS(ics_prefix);
3448 SendToICS("set style 12\n");
3449 SendToICS(ics_prefix);
3450 SendToICS("refresh\n");
3454 if (looking_at(buf, &i, "login:")) {
3455 if (!have_sent_ICS_logon) {
3457 have_sent_ICS_logon = 1;
3458 else // no init script was found
3459 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3460 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3461 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3466 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3467 (looking_at(buf, &i, "\n<12> ") ||
3468 looking_at(buf, &i, "<12> "))) {
3470 if (oldi > next_out) {
3471 SendToPlayer(&buf[next_out], oldi - next_out);
3474 started = STARTED_BOARD;
3479 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3480 looking_at(buf, &i, "<b1> ")) {
3481 if (oldi > next_out) {
3482 SendToPlayer(&buf[next_out], oldi - next_out);
3485 started = STARTED_HOLDINGS;
3490 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3492 /* Header for a move list -- first line */
3494 switch (ics_getting_history) {
3498 case BeginningOfGame:
3499 /* User typed "moves" or "oldmoves" while we
3500 were idle. Pretend we asked for these
3501 moves and soak them up so user can step
3502 through them and/or save them.
3505 gameMode = IcsObserving;
3508 ics_getting_history = H_GOT_UNREQ_HEADER;
3510 case EditGame: /*?*/
3511 case EditPosition: /*?*/
3512 /* Should above feature work in these modes too? */
3513 /* For now it doesn't */
3514 ics_getting_history = H_GOT_UNWANTED_HEADER;
3517 ics_getting_history = H_GOT_UNWANTED_HEADER;
3522 /* Is this the right one? */
3523 if (gameInfo.white && gameInfo.black &&
3524 strcmp(gameInfo.white, star_match[0]) == 0 &&
3525 strcmp(gameInfo.black, star_match[2]) == 0) {
3527 ics_getting_history = H_GOT_REQ_HEADER;
3530 case H_GOT_REQ_HEADER:
3531 case H_GOT_UNREQ_HEADER:
3532 case H_GOT_UNWANTED_HEADER:
3533 case H_GETTING_MOVES:
3534 /* Should not happen */
3535 DisplayError(_("Error gathering move list: two headers"), 0);
3536 ics_getting_history = H_FALSE;
3540 /* Save player ratings into gameInfo if needed */
3541 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3542 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3543 (gameInfo.whiteRating == -1 ||
3544 gameInfo.blackRating == -1)) {
3546 gameInfo.whiteRating = string_to_rating(star_match[1]);
3547 gameInfo.blackRating = string_to_rating(star_match[3]);
3548 if (appData.debugMode)
3549 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3550 gameInfo.whiteRating, gameInfo.blackRating);
3555 if (looking_at(buf, &i,
3556 "* * match, initial time: * minute*, increment: * second")) {
3557 /* Header for a move list -- second line */
3558 /* Initial board will follow if this is a wild game */
3559 if (gameInfo.event != NULL) free(gameInfo.event);
3560 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3561 gameInfo.event = StrSave(str);
3562 /* [HGM] we switched variant. Translate boards if needed. */
3563 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3567 if (looking_at(buf, &i, "Move ")) {
3568 /* Beginning of a move list */
3569 switch (ics_getting_history) {
3571 /* Normally should not happen */
3572 /* Maybe user hit reset while we were parsing */
3575 /* Happens if we are ignoring a move list that is not
3576 * the one we just requested. Common if the user
3577 * tries to observe two games without turning off
3580 case H_GETTING_MOVES:
3581 /* Should not happen */
3582 DisplayError(_("Error gathering move list: nested"), 0);
3583 ics_getting_history = H_FALSE;
3585 case H_GOT_REQ_HEADER:
3586 ics_getting_history = H_GETTING_MOVES;
3587 started = STARTED_MOVES;
3589 if (oldi > next_out) {
3590 SendToPlayer(&buf[next_out], oldi - next_out);
3593 case H_GOT_UNREQ_HEADER:
3594 ics_getting_history = H_GETTING_MOVES;
3595 started = STARTED_MOVES_NOHIDE;
3598 case H_GOT_UNWANTED_HEADER:
3599 ics_getting_history = H_FALSE;
3605 if (looking_at(buf, &i, "% ") ||
3606 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3607 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3608 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3609 soughtPending = FALSE;
3613 if(suppressKibitz) next_out = i;
3614 savingComment = FALSE;
3618 case STARTED_MOVES_NOHIDE:
3619 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3620 parse[parse_pos + i - oldi] = NULLCHAR;
3621 ParseGameHistory(parse);
3623 if (appData.zippyPlay && first.initDone) {
3624 FeedMovesToProgram(&first, forwardMostMove);
3625 if (gameMode == IcsPlayingWhite) {
3626 if (WhiteOnMove(forwardMostMove)) {
3627 if (first.sendTime) {
3628 if (first.useColors) {
3629 SendToProgram("black\n", &first);
3631 SendTimeRemaining(&first, TRUE);
3633 if (first.useColors) {
3634 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3636 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3637 first.maybeThinking = TRUE;
3639 if (first.usePlayother) {
3640 if (first.sendTime) {
3641 SendTimeRemaining(&first, TRUE);
3643 SendToProgram("playother\n", &first);
3649 } else if (gameMode == IcsPlayingBlack) {
3650 if (!WhiteOnMove(forwardMostMove)) {
3651 if (first.sendTime) {
3652 if (first.useColors) {
3653 SendToProgram("white\n", &first);
3655 SendTimeRemaining(&first, FALSE);
3657 if (first.useColors) {
3658 SendToProgram("black\n", &first);
3660 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3661 first.maybeThinking = TRUE;
3663 if (first.usePlayother) {
3664 if (first.sendTime) {
3665 SendTimeRemaining(&first, FALSE);
3667 SendToProgram("playother\n", &first);
3676 if (gameMode == IcsObserving && ics_gamenum == -1) {
3677 /* Moves came from oldmoves or moves command
3678 while we weren't doing anything else.
3680 currentMove = forwardMostMove;
3681 ClearHighlights();/*!!could figure this out*/
3682 flipView = appData.flipView;
3683 DrawPosition(TRUE, boards[currentMove]);
3684 DisplayBothClocks();
3685 snprintf(str, MSG_SIZ, "%s %s %s",
3686 gameInfo.white, _("vs."), gameInfo.black);
3690 /* Moves were history of an active game */
3691 if (gameInfo.resultDetails != NULL) {
3692 free(gameInfo.resultDetails);
3693 gameInfo.resultDetails = NULL;
3696 HistorySet(parseList, backwardMostMove,
3697 forwardMostMove, currentMove-1);
3698 DisplayMove(currentMove - 1);
3699 if (started == STARTED_MOVES) next_out = i;
3700 started = STARTED_NONE;
3701 ics_getting_history = H_FALSE;
3704 case STARTED_OBSERVE:
3705 started = STARTED_NONE;
3706 SendToICS(ics_prefix);
3707 SendToICS("refresh\n");
3713 if(bookHit) { // [HGM] book: simulate book reply
3714 static char bookMove[MSG_SIZ]; // a bit generous?
3716 programStats.nodes = programStats.depth = programStats.time =
3717 programStats.score = programStats.got_only_move = 0;
3718 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3720 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3721 strcat(bookMove, bookHit);
3722 HandleMachineMove(bookMove, &first);
3727 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3728 started == STARTED_HOLDINGS ||
3729 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3730 /* Accumulate characters in move list or board */
3731 parse[parse_pos++] = buf[i];
3734 /* Start of game messages. Mostly we detect start of game
3735 when the first board image arrives. On some versions
3736 of the ICS, though, we need to do a "refresh" after starting
3737 to observe in order to get the current board right away. */
3738 if (looking_at(buf, &i, "Adding game * to observation list")) {
3739 started = STARTED_OBSERVE;
3743 /* Handle auto-observe */
3744 if (appData.autoObserve &&
3745 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3746 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3748 /* Choose the player that was highlighted, if any. */
3749 if (star_match[0][0] == '\033' ||
3750 star_match[1][0] != '\033') {
3751 player = star_match[0];
3753 player = star_match[2];
3755 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3756 ics_prefix, StripHighlightAndTitle(player));
3759 /* Save ratings from notify string */
3760 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3761 player1Rating = string_to_rating(star_match[1]);
3762 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3763 player2Rating = string_to_rating(star_match[3]);
3765 if (appData.debugMode)
3767 "Ratings from 'Game notification:' %s %d, %s %d\n",
3768 player1Name, player1Rating,
3769 player2Name, player2Rating);
3774 /* Deal with automatic examine mode after a game,
3775 and with IcsObserving -> IcsExamining transition */
3776 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3777 looking_at(buf, &i, "has made you an examiner of game *")) {
3779 int gamenum = atoi(star_match[0]);
3780 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3781 gamenum == ics_gamenum) {
3782 /* We were already playing or observing this game;
3783 no need to refetch history */
3784 gameMode = IcsExamining;
3786 pauseExamForwardMostMove = forwardMostMove;
3787 } else if (currentMove < forwardMostMove) {
3788 ForwardInner(forwardMostMove);
3791 /* I don't think this case really can happen */
3792 SendToICS(ics_prefix);
3793 SendToICS("refresh\n");
3798 /* Error messages */
3799 // if (ics_user_moved) {
3800 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3801 if (looking_at(buf, &i, "Illegal move") ||
3802 looking_at(buf, &i, "Not a legal move") ||
3803 looking_at(buf, &i, "Your king is in check") ||
3804 looking_at(buf, &i, "It isn't your turn") ||
3805 looking_at(buf, &i, "It is not your move")) {
3807 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3808 currentMove = forwardMostMove-1;
3809 DisplayMove(currentMove - 1); /* before DMError */
3810 DrawPosition(FALSE, boards[currentMove]);
3811 SwitchClocks(forwardMostMove-1); // [HGM] race
3812 DisplayBothClocks();
3814 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3820 if (looking_at(buf, &i, "still have time") ||
3821 looking_at(buf, &i, "not out of time") ||
3822 looking_at(buf, &i, "either player is out of time") ||
3823 looking_at(buf, &i, "has timeseal; checking")) {
3824 /* We must have called his flag a little too soon */
3825 whiteFlag = blackFlag = FALSE;
3829 if (looking_at(buf, &i, "added * seconds to") ||
3830 looking_at(buf, &i, "seconds were added to")) {
3831 /* Update the clocks */
3832 SendToICS(ics_prefix);
3833 SendToICS("refresh\n");
3837 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3838 ics_clock_paused = TRUE;
3843 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3844 ics_clock_paused = FALSE;
3849 /* Grab player ratings from the Creating: message.
3850 Note we have to check for the special case when
3851 the ICS inserts things like [white] or [black]. */
3852 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3853 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3855 0 player 1 name (not necessarily white)
3857 2 empty, white, or black (IGNORED)
3858 3 player 2 name (not necessarily black)
3861 The names/ratings are sorted out when the game
3862 actually starts (below).
3864 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3865 player1Rating = string_to_rating(star_match[1]);
3866 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3867 player2Rating = string_to_rating(star_match[4]);
3869 if (appData.debugMode)
3871 "Ratings from 'Creating:' %s %d, %s %d\n",
3872 player1Name, player1Rating,
3873 player2Name, player2Rating);
3878 /* Improved generic start/end-of-game messages */
3879 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3880 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3881 /* If tkind == 0: */
3882 /* star_match[0] is the game number */
3883 /* [1] is the white player's name */
3884 /* [2] is the black player's name */
3885 /* For end-of-game: */
3886 /* [3] is the reason for the game end */
3887 /* [4] is a PGN end game-token, preceded by " " */
3888 /* For start-of-game: */
3889 /* [3] begins with "Creating" or "Continuing" */
3890 /* [4] is " *" or empty (don't care). */
3891 int gamenum = atoi(star_match[0]);
3892 char *whitename, *blackname, *why, *endtoken;
3893 ChessMove endtype = EndOfFile;
3896 whitename = star_match[1];
3897 blackname = star_match[2];
3898 why = star_match[3];
3899 endtoken = star_match[4];
3901 whitename = star_match[1];
3902 blackname = star_match[3];
3903 why = star_match[5];
3904 endtoken = star_match[6];
3907 /* Game start messages */
3908 if (strncmp(why, "Creating ", 9) == 0 ||
3909 strncmp(why, "Continuing ", 11) == 0) {
3910 gs_gamenum = gamenum;
3911 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3912 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3913 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3915 if (appData.zippyPlay) {
3916 ZippyGameStart(whitename, blackname);
3919 partnerBoardValid = FALSE; // [HGM] bughouse
3923 /* Game end messages */
3924 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3925 ics_gamenum != gamenum) {
3928 while (endtoken[0] == ' ') endtoken++;
3929 switch (endtoken[0]) {
3932 endtype = GameUnfinished;
3935 endtype = BlackWins;
3938 if (endtoken[1] == '/')
3939 endtype = GameIsDrawn;
3941 endtype = WhiteWins;
3944 GameEnds(endtype, why, GE_ICS);
3946 if (appData.zippyPlay && first.initDone) {
3947 ZippyGameEnd(endtype, why);
3948 if (first.pr == NoProc) {
3949 /* Start the next process early so that we'll
3950 be ready for the next challenge */
3951 StartChessProgram(&first);
3953 /* Send "new" early, in case this command takes
3954 a long time to finish, so that we'll be ready
3955 for the next challenge. */
3956 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3960 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3964 if (looking_at(buf, &i, "Removing game * from observation") ||
3965 looking_at(buf, &i, "no longer observing game *") ||
3966 looking_at(buf, &i, "Game * (*) has no examiners")) {
3967 if (gameMode == IcsObserving &&
3968 atoi(star_match[0]) == ics_gamenum)
3970 /* icsEngineAnalyze */
3971 if (appData.icsEngineAnalyze) {
3978 ics_user_moved = FALSE;
3983 if (looking_at(buf, &i, "no longer examining game *")) {
3984 if (gameMode == IcsExamining &&
3985 atoi(star_match[0]) == ics_gamenum)
3989 ics_user_moved = FALSE;
3994 /* Advance leftover_start past any newlines we find,
3995 so only partial lines can get reparsed */
3996 if (looking_at(buf, &i, "\n")) {
3997 prevColor = curColor;
3998 if (curColor != ColorNormal) {
3999 if (oldi > next_out) {
4000 SendToPlayer(&buf[next_out], oldi - next_out);
4003 Colorize(ColorNormal, FALSE);
4004 curColor = ColorNormal;
4006 if (started == STARTED_BOARD) {
4007 started = STARTED_NONE;
4008 parse[parse_pos] = NULLCHAR;
4009 ParseBoard12(parse);
4012 /* Send premove here */
4013 if (appData.premove) {
4015 if (currentMove == 0 &&
4016 gameMode == IcsPlayingWhite &&
4017 appData.premoveWhite) {
4018 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4019 if (appData.debugMode)
4020 fprintf(debugFP, "Sending premove:\n");
4022 } else if (currentMove == 1 &&
4023 gameMode == IcsPlayingBlack &&
4024 appData.premoveBlack) {
4025 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Sending premove:\n");
4029 } else if (gotPremove) {
4031 ClearPremoveHighlights();
4032 if (appData.debugMode)
4033 fprintf(debugFP, "Sending premove:\n");
4034 UserMoveEvent(premoveFromX, premoveFromY,
4035 premoveToX, premoveToY,
4040 /* Usually suppress following prompt */
4041 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4042 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4043 if (looking_at(buf, &i, "*% ")) {
4044 savingComment = FALSE;
4049 } else if (started == STARTED_HOLDINGS) {
4051 char new_piece[MSG_SIZ];
4052 started = STARTED_NONE;
4053 parse[parse_pos] = NULLCHAR;
4054 if (appData.debugMode)
4055 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4056 parse, currentMove);
4057 if (sscanf(parse, " game %d", &gamenum) == 1) {
4058 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4059 if (gameInfo.variant == VariantNormal) {
4060 /* [HGM] We seem to switch variant during a game!
4061 * Presumably no holdings were displayed, so we have
4062 * to move the position two files to the right to
4063 * create room for them!
4065 VariantClass newVariant;
4066 switch(gameInfo.boardWidth) { // base guess on board width
4067 case 9: newVariant = VariantShogi; break;
4068 case 10: newVariant = VariantGreat; break;
4069 default: newVariant = VariantCrazyhouse; break;
4071 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4072 /* Get a move list just to see the header, which
4073 will tell us whether this is really bug or zh */
4074 if (ics_getting_history == H_FALSE) {
4075 ics_getting_history = H_REQUESTED;
4076 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4080 new_piece[0] = NULLCHAR;
4081 sscanf(parse, "game %d white [%s black [%s <- %s",
4082 &gamenum, white_holding, black_holding,
4084 white_holding[strlen(white_holding)-1] = NULLCHAR;
4085 black_holding[strlen(black_holding)-1] = NULLCHAR;
4086 /* [HGM] copy holdings to board holdings area */
4087 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4088 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4089 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4091 if (appData.zippyPlay && first.initDone) {
4092 ZippyHoldings(white_holding, black_holding,
4096 if (tinyLayout || smallLayout) {
4097 char wh[16], bh[16];
4098 PackHolding(wh, white_holding);
4099 PackHolding(bh, black_holding);
4100 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4101 gameInfo.white, gameInfo.black);
4103 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4104 gameInfo.white, white_holding, _("vs."),
4105 gameInfo.black, black_holding);
4107 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4108 DrawPosition(FALSE, boards[currentMove]);
4110 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4111 sscanf(parse, "game %d white [%s black [%s <- %s",
4112 &gamenum, white_holding, black_holding,
4114 white_holding[strlen(white_holding)-1] = NULLCHAR;
4115 black_holding[strlen(black_holding)-1] = NULLCHAR;
4116 /* [HGM] copy holdings to partner-board holdings area */
4117 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4118 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4119 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4120 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4121 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4124 /* Suppress following prompt */
4125 if (looking_at(buf, &i, "*% ")) {
4126 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4127 savingComment = FALSE;
4135 i++; /* skip unparsed character and loop back */
4138 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4139 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4140 // SendToPlayer(&buf[next_out], i - next_out);
4141 started != STARTED_HOLDINGS && leftover_start > next_out) {
4142 SendToPlayer(&buf[next_out], leftover_start - next_out);
4146 leftover_len = buf_len - leftover_start;
4147 /* if buffer ends with something we couldn't parse,
4148 reparse it after appending the next read */
4150 } else if (count == 0) {
4151 RemoveInputSource(isr);
4152 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4154 DisplayFatalError(_("Error reading from ICS"), error, 1);
4159 /* Board style 12 looks like this:
4161 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4163 * The "<12> " is stripped before it gets to this routine. The two
4164 * trailing 0's (flip state and clock ticking) are later addition, and
4165 * some chess servers may not have them, or may have only the first.
4166 * Additional trailing fields may be added in the future.
4169 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4171 #define RELATION_OBSERVING_PLAYED 0
4172 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4173 #define RELATION_PLAYING_MYMOVE 1
4174 #define RELATION_PLAYING_NOTMYMOVE -1
4175 #define RELATION_EXAMINING 2
4176 #define RELATION_ISOLATED_BOARD -3
4177 #define RELATION_STARTING_POSITION -4 /* FICS only */
4180 ParseBoard12 (char *string)
4182 GameMode newGameMode;
4183 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4184 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4185 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4186 char to_play, board_chars[200];
4187 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4188 char black[32], white[32];
4190 int prevMove = currentMove;
4193 int fromX, fromY, toX, toY;
4195 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4196 char *bookHit = NULL; // [HGM] book
4197 Boolean weird = FALSE, reqFlag = FALSE;
4199 fromX = fromY = toX = toY = -1;
4203 if (appData.debugMode)
4204 fprintf(debugFP, _("Parsing board: %s\n"), string);
4206 move_str[0] = NULLCHAR;
4207 elapsed_time[0] = NULLCHAR;
4208 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4210 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4211 if(string[i] == ' ') { ranks++; files = 0; }
4213 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4216 for(j = 0; j <i; j++) board_chars[j] = string[j];
4217 board_chars[i] = '\0';
4220 n = sscanf(string, PATTERN, &to_play, &double_push,
4221 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4222 &gamenum, white, black, &relation, &basetime, &increment,
4223 &white_stren, &black_stren, &white_time, &black_time,
4224 &moveNum, str, elapsed_time, move_str, &ics_flip,
4228 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4229 DisplayError(str, 0);
4233 /* Convert the move number to internal form */
4234 moveNum = (moveNum - 1) * 2;
4235 if (to_play == 'B') moveNum++;
4236 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4237 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4243 case RELATION_OBSERVING_PLAYED:
4244 case RELATION_OBSERVING_STATIC:
4245 if (gamenum == -1) {
4246 /* Old ICC buglet */
4247 relation = RELATION_OBSERVING_STATIC;
4249 newGameMode = IcsObserving;
4251 case RELATION_PLAYING_MYMOVE:
4252 case RELATION_PLAYING_NOTMYMOVE:
4254 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4255 IcsPlayingWhite : IcsPlayingBlack;
4256 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4258 case RELATION_EXAMINING:
4259 newGameMode = IcsExamining;
4261 case RELATION_ISOLATED_BOARD:
4263 /* Just display this board. If user was doing something else,
4264 we will forget about it until the next board comes. */
4265 newGameMode = IcsIdle;
4267 case RELATION_STARTING_POSITION:
4268 newGameMode = gameMode;
4272 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4273 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4274 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4275 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4276 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4277 static int lastBgGame = -1;
4279 for (k = 0; k < ranks; k++) {
4280 for (j = 0; j < files; j++)
4281 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4282 if(gameInfo.holdingsWidth > 1) {
4283 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4284 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4287 CopyBoard(partnerBoard, board);
4288 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4289 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4290 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4291 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4292 if(toSqr = strchr(str, '-')) {
4293 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4294 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4295 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4296 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4297 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4298 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4300 DisplayWhiteClock(white_time*fac, to_play == 'W');
4301 DisplayBlackClock(black_time*fac, to_play != 'W');
4302 activePartner = to_play;
4303 if(gamenum != lastBgGame) {
4305 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4308 lastBgGame = gamenum;
4309 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4310 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4311 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4312 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4313 DisplayMessage(partnerStatus, "");
4314 partnerBoardValid = TRUE;
4318 if(appData.dualBoard && appData.bgObserve) {
4319 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4320 SendToICS(ics_prefix), SendToICS("pobserve\n");
4321 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4323 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4328 /* Modify behavior for initial board display on move listing
4331 switch (ics_getting_history) {
4335 case H_GOT_REQ_HEADER:
4336 case H_GOT_UNREQ_HEADER:
4337 /* This is the initial position of the current game */
4338 gamenum = ics_gamenum;
4339 moveNum = 0; /* old ICS bug workaround */
4340 if (to_play == 'B') {
4341 startedFromSetupPosition = TRUE;
4342 blackPlaysFirst = TRUE;
4344 if (forwardMostMove == 0) forwardMostMove = 1;
4345 if (backwardMostMove == 0) backwardMostMove = 1;
4346 if (currentMove == 0) currentMove = 1;
4348 newGameMode = gameMode;
4349 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4351 case H_GOT_UNWANTED_HEADER:
4352 /* This is an initial board that we don't want */
4354 case H_GETTING_MOVES:
4355 /* Should not happen */
4356 DisplayError(_("Error gathering move list: extra board"), 0);
4357 ics_getting_history = H_FALSE;
4361 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4362 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4363 weird && (int)gameInfo.variant < (int)VariantShogi) {
4364 /* [HGM] We seem to have switched variant unexpectedly
4365 * Try to guess new variant from board size
4367 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4368 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4369 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4370 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4371 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4372 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4373 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4374 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4375 /* Get a move list just to see the header, which
4376 will tell us whether this is really bug or zh */
4377 if (ics_getting_history == H_FALSE) {
4378 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4379 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4384 /* Take action if this is the first board of a new game, or of a
4385 different game than is currently being displayed. */
4386 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4387 relation == RELATION_ISOLATED_BOARD) {
4389 /* Forget the old game and get the history (if any) of the new one */
4390 if (gameMode != BeginningOfGame) {
4394 if (appData.autoRaiseBoard) BoardToTop();
4396 if (gamenum == -1) {
4397 newGameMode = IcsIdle;
4398 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4399 appData.getMoveList && !reqFlag) {
4400 /* Need to get game history */
4401 ics_getting_history = H_REQUESTED;
4402 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4406 /* Initially flip the board to have black on the bottom if playing
4407 black or if the ICS flip flag is set, but let the user change
4408 it with the Flip View button. */
4409 flipView = appData.autoFlipView ?
4410 (newGameMode == IcsPlayingBlack) || ics_flip :
4413 /* Done with values from previous mode; copy in new ones */
4414 gameMode = newGameMode;
4416 ics_gamenum = gamenum;
4417 if (gamenum == gs_gamenum) {
4418 int klen = strlen(gs_kind);
4419 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4420 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4421 gameInfo.event = StrSave(str);
4423 gameInfo.event = StrSave("ICS game");
4425 gameInfo.site = StrSave(appData.icsHost);
4426 gameInfo.date = PGNDate();
4427 gameInfo.round = StrSave("-");
4428 gameInfo.white = StrSave(white);
4429 gameInfo.black = StrSave(black);
4430 timeControl = basetime * 60 * 1000;
4432 timeIncrement = increment * 1000;
4433 movesPerSession = 0;
4434 gameInfo.timeControl = TimeControlTagValue();
4435 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4436 if (appData.debugMode) {
4437 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4438 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4439 setbuf(debugFP, NULL);
4442 gameInfo.outOfBook = NULL;
4444 /* Do we have the ratings? */
4445 if (strcmp(player1Name, white) == 0 &&
4446 strcmp(player2Name, black) == 0) {
4447 if (appData.debugMode)
4448 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4449 player1Rating, player2Rating);
4450 gameInfo.whiteRating = player1Rating;
4451 gameInfo.blackRating = player2Rating;
4452 } else if (strcmp(player2Name, white) == 0 &&
4453 strcmp(player1Name, black) == 0) {
4454 if (appData.debugMode)
4455 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4456 player2Rating, player1Rating);
4457 gameInfo.whiteRating = player2Rating;
4458 gameInfo.blackRating = player1Rating;
4460 player1Name[0] = player2Name[0] = NULLCHAR;
4462 /* Silence shouts if requested */
4463 if (appData.quietPlay &&
4464 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4465 SendToICS(ics_prefix);
4466 SendToICS("set shout 0\n");
4470 /* Deal with midgame name changes */
4472 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4473 if (gameInfo.white) free(gameInfo.white);
4474 gameInfo.white = StrSave(white);
4476 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4477 if (gameInfo.black) free(gameInfo.black);
4478 gameInfo.black = StrSave(black);
4482 /* Throw away game result if anything actually changes in examine mode */
4483 if (gameMode == IcsExamining && !newGame) {
4484 gameInfo.result = GameUnfinished;
4485 if (gameInfo.resultDetails != NULL) {
4486 free(gameInfo.resultDetails);
4487 gameInfo.resultDetails = NULL;
4491 /* In pausing && IcsExamining mode, we ignore boards coming
4492 in if they are in a different variation than we are. */
4493 if (pauseExamInvalid) return;
4494 if (pausing && gameMode == IcsExamining) {
4495 if (moveNum <= pauseExamForwardMostMove) {
4496 pauseExamInvalid = TRUE;
4497 forwardMostMove = pauseExamForwardMostMove;
4502 if (appData.debugMode) {
4503 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4505 /* Parse the board */
4506 for (k = 0; k < ranks; k++) {
4507 for (j = 0; j < files; j++)
4508 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4509 if(gameInfo.holdingsWidth > 1) {
4510 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4511 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4514 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4515 board[5][BOARD_RGHT+1] = WhiteAngel;
4516 board[6][BOARD_RGHT+1] = WhiteMarshall;
4517 board[1][0] = BlackMarshall;
4518 board[2][0] = BlackAngel;
4519 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4521 CopyBoard(boards[moveNum], board);
4522 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4524 startedFromSetupPosition =
4525 !CompareBoards(board, initialPosition);
4526 if(startedFromSetupPosition)
4527 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4530 /* [HGM] Set castling rights. Take the outermost Rooks,
4531 to make it also work for FRC opening positions. Note that board12
4532 is really defective for later FRC positions, as it has no way to
4533 indicate which Rook can castle if they are on the same side of King.
4534 For the initial position we grant rights to the outermost Rooks,
4535 and remember thos rights, and we then copy them on positions
4536 later in an FRC game. This means WB might not recognize castlings with
4537 Rooks that have moved back to their original position as illegal,
4538 but in ICS mode that is not its job anyway.
4540 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4541 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4543 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4544 if(board[0][i] == WhiteRook) j = i;
4545 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4546 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4547 if(board[0][i] == WhiteRook) j = i;
4548 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4549 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4550 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4551 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4552 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4553 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4554 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4556 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4557 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4558 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4559 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4560 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4561 if(board[BOARD_HEIGHT-1][k] == bKing)
4562 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4563 if(gameInfo.variant == VariantTwoKings) {
4564 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4565 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4566 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4569 r = boards[moveNum][CASTLING][0] = initialRights[0];
4570 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4571 r = boards[moveNum][CASTLING][1] = initialRights[1];
4572 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4573 r = boards[moveNum][CASTLING][3] = initialRights[3];
4574 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4575 r = boards[moveNum][CASTLING][4] = initialRights[4];
4576 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4577 /* wildcastle kludge: always assume King has rights */
4578 r = boards[moveNum][CASTLING][2] = initialRights[2];
4579 r = boards[moveNum][CASTLING][5] = initialRights[5];
4581 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4582 boards[moveNum][EP_STATUS] = EP_NONE;
4583 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4584 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4585 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4588 if (ics_getting_history == H_GOT_REQ_HEADER ||
4589 ics_getting_history == H_GOT_UNREQ_HEADER) {
4590 /* This was an initial position from a move list, not
4591 the current position */
4595 /* Update currentMove and known move number limits */
4596 newMove = newGame || moveNum > forwardMostMove;
4599 forwardMostMove = backwardMostMove = currentMove = moveNum;
4600 if (gameMode == IcsExamining && moveNum == 0) {
4601 /* Workaround for ICS limitation: we are not told the wild
4602 type when starting to examine a game. But if we ask for
4603 the move list, the move list header will tell us */
4604 ics_getting_history = H_REQUESTED;
4605 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4608 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4609 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4611 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4612 /* [HGM] applied this also to an engine that is silently watching */
4613 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4614 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4615 gameInfo.variant == currentlyInitializedVariant) {
4616 takeback = forwardMostMove - moveNum;
4617 for (i = 0; i < takeback; i++) {
4618 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4619 SendToProgram("undo\n", &first);
4624 forwardMostMove = moveNum;
4625 if (!pausing || currentMove > forwardMostMove)
4626 currentMove = forwardMostMove;
4628 /* New part of history that is not contiguous with old part */
4629 if (pausing && gameMode == IcsExamining) {
4630 pauseExamInvalid = TRUE;
4631 forwardMostMove = pauseExamForwardMostMove;
4634 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4636 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4637 // [HGM] when we will receive the move list we now request, it will be
4638 // fed to the engine from the first move on. So if the engine is not
4639 // in the initial position now, bring it there.
4640 InitChessProgram(&first, 0);
4643 ics_getting_history = H_REQUESTED;
4644 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4647 forwardMostMove = backwardMostMove = currentMove = moveNum;
4650 /* Update the clocks */
4651 if (strchr(elapsed_time, '.')) {
4653 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4654 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4656 /* Time is in seconds */
4657 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4658 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4663 if (appData.zippyPlay && newGame &&
4664 gameMode != IcsObserving && gameMode != IcsIdle &&
4665 gameMode != IcsExamining)
4666 ZippyFirstBoard(moveNum, basetime, increment);
4669 /* Put the move on the move list, first converting
4670 to canonical algebraic form. */
4672 if (appData.debugMode) {
4673 if (appData.debugMode) { int f = forwardMostMove;
4674 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4675 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4676 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4678 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4679 fprintf(debugFP, "moveNum = %d\n", moveNum);
4680 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4681 setbuf(debugFP, NULL);
4683 if (moveNum <= backwardMostMove) {
4684 /* We don't know what the board looked like before
4686 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4687 strcat(parseList[moveNum - 1], " ");
4688 strcat(parseList[moveNum - 1], elapsed_time);
4689 moveList[moveNum - 1][0] = NULLCHAR;
4690 } else if (strcmp(move_str, "none") == 0) {
4691 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4692 /* Again, we don't know what the board looked like;
4693 this is really the start of the game. */
4694 parseList[moveNum - 1][0] = NULLCHAR;
4695 moveList[moveNum - 1][0] = NULLCHAR;
4696 backwardMostMove = moveNum;
4697 startedFromSetupPosition = TRUE;
4698 fromX = fromY = toX = toY = -1;
4700 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4701 // So we parse the long-algebraic move string in stead of the SAN move
4702 int valid; char buf[MSG_SIZ], *prom;
4704 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4705 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4706 // str looks something like "Q/a1-a2"; kill the slash
4708 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4709 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4710 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4711 strcat(buf, prom); // long move lacks promo specification!
4712 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4713 if(appData.debugMode)
4714 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4715 safeStrCpy(move_str, buf, MSG_SIZ);
4717 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4718 &fromX, &fromY, &toX, &toY, &promoChar)
4719 || ParseOneMove(buf, moveNum - 1, &moveType,
4720 &fromX, &fromY, &toX, &toY, &promoChar);
4721 // end of long SAN patch
4723 (void) CoordsToAlgebraic(boards[moveNum - 1],
4724 PosFlags(moveNum - 1),
4725 fromY, fromX, toY, toX, promoChar,
4726 parseList[moveNum-1]);
4727 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4733 if(gameInfo.variant != VariantShogi)
4734 strcat(parseList[moveNum - 1], "+");
4737 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4738 strcat(parseList[moveNum - 1], "#");
4741 strcat(parseList[moveNum - 1], " ");
4742 strcat(parseList[moveNum - 1], elapsed_time);
4743 /* currentMoveString is set as a side-effect of ParseOneMove */
4744 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4745 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4746 strcat(moveList[moveNum - 1], "\n");
4748 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4749 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4750 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4751 ChessSquare old, new = boards[moveNum][k][j];
4752 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4753 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4754 if(old == new) continue;
4755 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4756 else if(new == WhiteWazir || new == BlackWazir) {
4757 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4758 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4759 else boards[moveNum][k][j] = old; // preserve type of Gold
4760 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4761 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4764 /* Move from ICS was illegal!? Punt. */
4765 if (appData.debugMode) {
4766 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4767 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4769 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4770 strcat(parseList[moveNum - 1], " ");
4771 strcat(parseList[moveNum - 1], elapsed_time);
4772 moveList[moveNum - 1][0] = NULLCHAR;
4773 fromX = fromY = toX = toY = -1;
4776 if (appData.debugMode) {
4777 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4778 setbuf(debugFP, NULL);
4782 /* Send move to chess program (BEFORE animating it). */
4783 if (appData.zippyPlay && !newGame && newMove &&
4784 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4786 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4787 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4788 if (moveList[moveNum - 1][0] == NULLCHAR) {
4789 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4791 DisplayError(str, 0);
4793 if (first.sendTime) {
4794 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4796 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4797 if (firstMove && !bookHit) {
4799 if (first.useColors) {
4800 SendToProgram(gameMode == IcsPlayingWhite ?
4802 "black\ngo\n", &first);
4804 SendToProgram("go\n", &first);
4806 first.maybeThinking = TRUE;
4809 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4810 if (moveList[moveNum - 1][0] == NULLCHAR) {
4811 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4812 DisplayError(str, 0);
4814 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4815 SendMoveToProgram(moveNum - 1, &first);
4822 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4823 /* If move comes from a remote source, animate it. If it
4824 isn't remote, it will have already been animated. */
4825 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4826 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4828 if (!pausing && appData.highlightLastMove) {
4829 SetHighlights(fromX, fromY, toX, toY);
4833 /* Start the clocks */
4834 whiteFlag = blackFlag = FALSE;
4835 appData.clockMode = !(basetime == 0 && increment == 0);
4837 ics_clock_paused = TRUE;
4839 } else if (ticking == 1) {
4840 ics_clock_paused = FALSE;
4842 if (gameMode == IcsIdle ||
4843 relation == RELATION_OBSERVING_STATIC ||
4844 relation == RELATION_EXAMINING ||
4846 DisplayBothClocks();
4850 /* Display opponents and material strengths */
4851 if (gameInfo.variant != VariantBughouse &&
4852 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4853 if (tinyLayout || smallLayout) {
4854 if(gameInfo.variant == VariantNormal)
4855 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4856 gameInfo.white, white_stren, gameInfo.black, black_stren,
4857 basetime, increment);
4859 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4860 gameInfo.white, white_stren, gameInfo.black, black_stren,
4861 basetime, increment, (int) gameInfo.variant);
4863 if(gameInfo.variant == VariantNormal)
4864 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4865 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4866 basetime, increment);
4868 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4869 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4870 basetime, increment, VariantName(gameInfo.variant));
4873 if (appData.debugMode) {
4874 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4879 /* Display the board */
4880 if (!pausing && !appData.noGUI) {
4882 if (appData.premove)
4884 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4885 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4886 ClearPremoveHighlights();
4888 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4889 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4890 DrawPosition(j, boards[currentMove]);
4892 DisplayMove(moveNum - 1);
4893 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4894 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4895 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4896 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4900 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4902 if(bookHit) { // [HGM] book: simulate book reply
4903 static char bookMove[MSG_SIZ]; // a bit generous?
4905 programStats.nodes = programStats.depth = programStats.time =
4906 programStats.score = programStats.got_only_move = 0;
4907 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4909 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4910 strcat(bookMove, bookHit);
4911 HandleMachineMove(bookMove, &first);
4920 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4921 ics_getting_history = H_REQUESTED;
4922 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4928 SendToBoth (char *msg)
4929 { // to make it easy to keep two engines in step in dual analysis
4930 SendToProgram(msg, &first);
4931 if(second.analyzing) SendToProgram(msg, &second);
4935 AnalysisPeriodicEvent (int force)
4937 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4938 && !force) || !appData.periodicUpdates)
4941 /* Send . command to Crafty to collect stats */
4944 /* Don't send another until we get a response (this makes
4945 us stop sending to old Crafty's which don't understand
4946 the "." command (sending illegal cmds resets node count & time,
4947 which looks bad)) */
4948 programStats.ok_to_send = 0;
4952 ics_update_width (int new_width)
4954 ics_printf("set width %d\n", new_width);
4958 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4962 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4963 // null move in variant where engine does not understand it (for analysis purposes)
4964 SendBoard(cps, moveNum + 1); // send position after move in stead.
4967 if (cps->useUsermove) {
4968 SendToProgram("usermove ", cps);
4972 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4973 int len = space - parseList[moveNum];
4974 memcpy(buf, parseList[moveNum], len);
4976 buf[len] = NULLCHAR;
4978 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4980 SendToProgram(buf, cps);
4982 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4983 AlphaRank(moveList[moveNum], 4);
4984 SendToProgram(moveList[moveNum], cps);
4985 AlphaRank(moveList[moveNum], 4); // and back
4987 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4988 * the engine. It would be nice to have a better way to identify castle
4990 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4991 && cps->useOOCastle) {
4992 int fromX = moveList[moveNum][0] - AAA;
4993 int fromY = moveList[moveNum][1] - ONE;
4994 int toX = moveList[moveNum][2] - AAA;
4995 int toY = moveList[moveNum][3] - ONE;
4996 if((boards[moveNum][fromY][fromX] == WhiteKing
4997 && boards[moveNum][toY][toX] == WhiteRook)
4998 || (boards[moveNum][fromY][fromX] == BlackKing
4999 && boards[moveNum][toY][toX] == BlackRook)) {
5000 if(toX > fromX) SendToProgram("O-O\n", cps);
5001 else SendToProgram("O-O-O\n", cps);
5003 else SendToProgram(moveList[moveNum], cps);
5005 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5006 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5007 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5008 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5009 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5011 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5012 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5013 SendToProgram(buf, cps);
5015 else SendToProgram(moveList[moveNum], cps);
5016 /* End of additions by Tord */
5019 /* [HGM] setting up the opening has brought engine in force mode! */
5020 /* Send 'go' if we are in a mode where machine should play. */
5021 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5022 (gameMode == TwoMachinesPlay ||
5024 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5026 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5027 SendToProgram("go\n", cps);
5028 if (appData.debugMode) {
5029 fprintf(debugFP, "(extra)\n");
5032 setboardSpoiledMachineBlack = 0;
5036 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5038 char user_move[MSG_SIZ];
5041 if(gameInfo.variant == VariantSChess && promoChar) {
5042 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5043 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5044 } else suffix[0] = NULLCHAR;
5048 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5049 (int)moveType, fromX, fromY, toX, toY);
5050 DisplayError(user_move + strlen("say "), 0);
5052 case WhiteKingSideCastle:
5053 case BlackKingSideCastle:
5054 case WhiteQueenSideCastleWild:
5055 case BlackQueenSideCastleWild:
5057 case WhiteHSideCastleFR:
5058 case BlackHSideCastleFR:
5060 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5062 case WhiteQueenSideCastle:
5063 case BlackQueenSideCastle:
5064 case WhiteKingSideCastleWild:
5065 case BlackKingSideCastleWild:
5067 case WhiteASideCastleFR:
5068 case BlackASideCastleFR:
5070 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5072 case WhiteNonPromotion:
5073 case BlackNonPromotion:
5074 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5076 case WhitePromotion:
5077 case BlackPromotion:
5078 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5079 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5080 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5081 PieceToChar(WhiteFerz));
5082 else if(gameInfo.variant == VariantGreat)
5083 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5084 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5085 PieceToChar(WhiteMan));
5087 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5088 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5094 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5095 ToUpper(PieceToChar((ChessSquare) fromX)),
5096 AAA + toX, ONE + toY);
5098 case IllegalMove: /* could be a variant we don't quite understand */
5099 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5101 case WhiteCapturesEnPassant:
5102 case BlackCapturesEnPassant:
5103 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5104 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5107 SendToICS(user_move);
5108 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5109 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5114 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5115 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5116 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5117 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5118 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5121 if(gameMode != IcsExamining) { // is this ever not the case?
5122 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5124 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5125 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5126 } else { // on FICS we must first go to general examine mode
5127 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5129 if(gameInfo.variant != VariantNormal) {
5130 // try figure out wild number, as xboard names are not always valid on ICS
5131 for(i=1; i<=36; i++) {
5132 snprintf(buf, MSG_SIZ, "wild/%d", i);
5133 if(StringToVariant(buf) == gameInfo.variant) break;
5135 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5136 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5137 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5138 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5139 SendToICS(ics_prefix);
5141 if(startedFromSetupPosition || backwardMostMove != 0) {
5142 fen = PositionToFEN(backwardMostMove, NULL);
5143 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5144 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5146 } else { // FICS: everything has to set by separate bsetup commands
5147 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5148 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5150 if(!WhiteOnMove(backwardMostMove)) {
5151 SendToICS("bsetup tomove black\n");
5153 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5154 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5156 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5157 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5159 i = boards[backwardMostMove][EP_STATUS];
5160 if(i >= 0) { // set e.p.
5161 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5167 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5168 SendToICS("bsetup done\n"); // switch to normal examining.
5170 for(i = backwardMostMove; i<last; i++) {
5172 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5173 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5174 int len = strlen(moveList[i]);
5175 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5176 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5180 SendToICS(ics_prefix);
5181 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5185 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5187 if (rf == DROP_RANK) {
5188 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5189 sprintf(move, "%c@%c%c\n",
5190 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5192 if (promoChar == 'x' || promoChar == NULLCHAR) {
5193 sprintf(move, "%c%c%c%c\n",
5194 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5196 sprintf(move, "%c%c%c%c%c\n",
5197 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5203 ProcessICSInitScript (FILE *f)
5207 while (fgets(buf, MSG_SIZ, f)) {
5208 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5215 static int lastX, lastY, selectFlag, dragging;
5220 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5221 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5222 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5223 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5224 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5225 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5228 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5229 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5230 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5231 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5232 if(!step) step = -1;
5233 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5234 appData.testLegality && (promoSweep == king ||
5235 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5237 int victim = boards[currentMove][toY][toX];
5238 boards[currentMove][toY][toX] = promoSweep;
5239 DrawPosition(FALSE, boards[currentMove]);
5240 boards[currentMove][toY][toX] = victim;
5242 ChangeDragPiece(promoSweep);
5246 PromoScroll (int x, int y)
5250 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5251 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5252 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5253 if(!step) return FALSE;
5254 lastX = x; lastY = y;
5255 if((promoSweep < BlackPawn) == flipView) step = -step;
5256 if(step > 0) selectFlag = 1;
5257 if(!selectFlag) Sweep(step);
5262 NextPiece (int step)
5264 ChessSquare piece = boards[currentMove][toY][toX];
5267 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5268 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5269 if(!step) step = -1;
5270 } while(PieceToChar(pieceSweep) == '.');
5271 boards[currentMove][toY][toX] = pieceSweep;
5272 DrawPosition(FALSE, boards[currentMove]);
5273 boards[currentMove][toY][toX] = piece;
5275 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5277 AlphaRank (char *move, int n)
5279 // char *p = move, c; int x, y;
5281 if (appData.debugMode) {
5282 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5286 move[2]>='0' && move[2]<='9' &&
5287 move[3]>='a' && move[3]<='x' ) {
5289 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5290 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5292 if(move[0]>='0' && move[0]<='9' &&
5293 move[1]>='a' && move[1]<='x' &&
5294 move[2]>='0' && move[2]<='9' &&
5295 move[3]>='a' && move[3]<='x' ) {
5296 /* input move, Shogi -> normal */
5297 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5298 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5299 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5300 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5303 move[3]>='0' && move[3]<='9' &&
5304 move[2]>='a' && move[2]<='x' ) {
5306 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5307 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5310 move[0]>='a' && move[0]<='x' &&
5311 move[3]>='0' && move[3]<='9' &&
5312 move[2]>='a' && move[2]<='x' ) {
5313 /* output move, normal -> Shogi */
5314 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5315 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5316 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5317 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5318 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5320 if (appData.debugMode) {
5321 fprintf(debugFP, " out = '%s'\n", move);
5325 char yy_textstr[8000];
5327 /* Parser for moves from gnuchess, ICS, or user typein box */
5329 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5331 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5333 switch (*moveType) {
5334 case WhitePromotion:
5335 case BlackPromotion:
5336 case WhiteNonPromotion:
5337 case BlackNonPromotion:
5339 case WhiteCapturesEnPassant:
5340 case BlackCapturesEnPassant:
5341 case WhiteKingSideCastle:
5342 case WhiteQueenSideCastle:
5343 case BlackKingSideCastle:
5344 case BlackQueenSideCastle:
5345 case WhiteKingSideCastleWild:
5346 case WhiteQueenSideCastleWild:
5347 case BlackKingSideCastleWild:
5348 case BlackQueenSideCastleWild:
5349 /* Code added by Tord: */
5350 case WhiteHSideCastleFR:
5351 case WhiteASideCastleFR:
5352 case BlackHSideCastleFR:
5353 case BlackASideCastleFR:
5354 /* End of code added by Tord */
5355 case IllegalMove: /* bug or odd chess variant */
5356 *fromX = currentMoveString[0] - AAA;
5357 *fromY = currentMoveString[1] - ONE;
5358 *toX = currentMoveString[2] - AAA;
5359 *toY = currentMoveString[3] - ONE;
5360 *promoChar = currentMoveString[4];
5361 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5362 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5363 if (appData.debugMode) {
5364 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5366 *fromX = *fromY = *toX = *toY = 0;
5369 if (appData.testLegality) {
5370 return (*moveType != IllegalMove);
5372 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5373 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5378 *fromX = *moveType == WhiteDrop ?
5379 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5380 (int) CharToPiece(ToLower(currentMoveString[0]));
5382 *toX = currentMoveString[2] - AAA;
5383 *toY = currentMoveString[3] - ONE;
5384 *promoChar = NULLCHAR;
5388 case ImpossibleMove:
5398 if (appData.debugMode) {
5399 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5402 *fromX = *fromY = *toX = *toY = 0;
5403 *promoChar = NULLCHAR;
5408 Boolean pushed = FALSE;
5409 char *lastParseAttempt;
5412 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5413 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5414 int fromX, fromY, toX, toY; char promoChar;
5419 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5420 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5421 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5424 endPV = forwardMostMove;
5426 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5427 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5428 lastParseAttempt = pv;
5429 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5430 if(!valid && nr == 0 &&
5431 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5432 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5433 // Hande case where played move is different from leading PV move
5434 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5435 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5436 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5437 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5438 endPV += 2; // if position different, keep this
5439 moveList[endPV-1][0] = fromX + AAA;
5440 moveList[endPV-1][1] = fromY + ONE;
5441 moveList[endPV-1][2] = toX + AAA;
5442 moveList[endPV-1][3] = toY + ONE;
5443 parseList[endPV-1][0] = NULLCHAR;
5444 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5447 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5448 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5449 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5450 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5451 valid++; // allow comments in PV
5455 if(endPV+1 > framePtr) break; // no space, truncate
5458 CopyBoard(boards[endPV], boards[endPV-1]);
5459 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5460 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5461 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5462 CoordsToAlgebraic(boards[endPV - 1],
5463 PosFlags(endPV - 1),
5464 fromY, fromX, toY, toX, promoChar,
5465 parseList[endPV - 1]);
5467 if(atEnd == 2) return; // used hidden, for PV conversion
5468 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5469 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5470 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5471 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5472 DrawPosition(TRUE, boards[currentMove]);
5476 MultiPV (ChessProgramState *cps)
5477 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5479 for(i=0; i<cps->nrOptions; i++)
5480 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5486 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5488 int startPV, multi, lineStart, origIndex = index;
5489 char *p, buf2[MSG_SIZ];
5490 ChessProgramState *cps = (pane ? &second : &first);
5492 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5493 lastX = x; lastY = y;
5494 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5495 lineStart = startPV = index;
5496 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5497 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5499 do{ while(buf[index] && buf[index] != '\n') index++;
5500 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5502 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5503 int n = cps->option[multi].value;
5504 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5505 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5506 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5507 cps->option[multi].value = n;
5510 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5511 ExcludeClick(origIndex - lineStart);
5514 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5515 *start = startPV; *end = index-1;
5522 static char buf[10*MSG_SIZ];
5523 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5525 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5526 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5527 for(i = forwardMostMove; i<endPV; i++){
5528 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5529 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5532 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5533 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5534 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5540 LoadPV (int x, int y)
5541 { // called on right mouse click to load PV
5542 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5543 lastX = x; lastY = y;
5544 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5551 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5552 if(endPV < 0) return;
5553 if(appData.autoCopyPV) CopyFENToClipboard();
5555 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5556 Boolean saveAnimate = appData.animate;
5558 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5559 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5560 } else storedGames--; // abandon shelved tail of original game
5563 forwardMostMove = currentMove;
5564 currentMove = oldFMM;
5565 appData.animate = FALSE;
5566 ToNrEvent(forwardMostMove);
5567 appData.animate = saveAnimate;
5569 currentMove = forwardMostMove;
5570 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5571 ClearPremoveHighlights();
5572 DrawPosition(TRUE, boards[currentMove]);
5576 MovePV (int x, int y, int h)
5577 { // step through PV based on mouse coordinates (called on mouse move)
5578 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5580 // we must somehow check if right button is still down (might be released off board!)
5581 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5582 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5583 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5585 lastX = x; lastY = y;
5587 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5588 if(endPV < 0) return;
5589 if(y < margin) step = 1; else
5590 if(y > h - margin) step = -1;
5591 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5592 currentMove += step;
5593 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5594 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5595 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5596 DrawPosition(FALSE, boards[currentMove]);
5600 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5601 // All positions will have equal probability, but the current method will not provide a unique
5602 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5608 int piecesLeft[(int)BlackPawn];
5609 int seed, nrOfShuffles;
5612 GetPositionNumber ()
5613 { // sets global variable seed
5616 seed = appData.defaultFrcPosition;
5617 if(seed < 0) { // randomize based on time for negative FRC position numbers
5618 for(i=0; i<50; i++) seed += random();
5619 seed = random() ^ random() >> 8 ^ random() << 8;
5620 if(seed<0) seed = -seed;
5625 put (Board board, int pieceType, int rank, int n, int shade)
5626 // put the piece on the (n-1)-th empty squares of the given shade
5630 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5631 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5632 board[rank][i] = (ChessSquare) pieceType;
5633 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5635 piecesLeft[pieceType]--;
5644 AddOnePiece (Board board, int pieceType, int rank, int shade)
5645 // calculate where the next piece goes, (any empty square), and put it there
5649 i = seed % squaresLeft[shade];
5650 nrOfShuffles *= squaresLeft[shade];
5651 seed /= squaresLeft[shade];
5652 put(board, pieceType, rank, i, shade);
5656 AddTwoPieces (Board board, int pieceType, int rank)
5657 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5659 int i, n=squaresLeft[ANY], j=n-1, k;
5661 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5662 i = seed % k; // pick one
5665 while(i >= j) i -= j--;
5666 j = n - 1 - j; i += j;
5667 put(board, pieceType, rank, j, ANY);
5668 put(board, pieceType, rank, i, ANY);
5672 SetUpShuffle (Board board, int number)
5676 GetPositionNumber(); nrOfShuffles = 1;
5678 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5679 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5680 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5682 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5684 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5685 p = (int) board[0][i];
5686 if(p < (int) BlackPawn) piecesLeft[p] ++;
5687 board[0][i] = EmptySquare;
5690 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5691 // shuffles restricted to allow normal castling put KRR first
5692 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5693 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5694 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5695 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5696 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5697 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5698 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5699 put(board, WhiteRook, 0, 0, ANY);
5700 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5703 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5704 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5705 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5706 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5707 while(piecesLeft[p] >= 2) {
5708 AddOnePiece(board, p, 0, LITE);
5709 AddOnePiece(board, p, 0, DARK);
5711 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5714 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5715 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5716 // but we leave King and Rooks for last, to possibly obey FRC restriction
5717 if(p == (int)WhiteRook) continue;
5718 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5719 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5722 // now everything is placed, except perhaps King (Unicorn) and Rooks
5724 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5725 // Last King gets castling rights
5726 while(piecesLeft[(int)WhiteUnicorn]) {
5727 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5728 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5731 while(piecesLeft[(int)WhiteKing]) {
5732 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5733 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5738 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5739 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5742 // Only Rooks can be left; simply place them all
5743 while(piecesLeft[(int)WhiteRook]) {
5744 i = put(board, WhiteRook, 0, 0, ANY);
5745 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5748 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5750 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5753 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5754 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5757 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5761 SetCharTable (char *table, const char * map)
5762 /* [HGM] moved here from winboard.c because of its general usefulness */
5763 /* Basically a safe strcpy that uses the last character as King */
5765 int result = FALSE; int NrPieces;
5767 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5768 && NrPieces >= 12 && !(NrPieces&1)) {
5769 int i; /* [HGM] Accept even length from 12 to 34 */
5771 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5772 for( i=0; i<NrPieces/2-1; i++ ) {
5774 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5776 table[(int) WhiteKing] = map[NrPieces/2-1];
5777 table[(int) BlackKing] = map[NrPieces-1];
5786 Prelude (Board board)
5787 { // [HGM] superchess: random selection of exo-pieces
5788 int i, j, k; ChessSquare p;
5789 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5791 GetPositionNumber(); // use FRC position number
5793 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5794 SetCharTable(pieceToChar, appData.pieceToCharTable);
5795 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5796 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5799 j = seed%4; seed /= 4;
5800 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5801 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5802 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5803 j = seed%3 + (seed%3 >= j); seed /= 3;
5804 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5805 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5806 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5807 j = seed%3; seed /= 3;
5808 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5809 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5810 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5811 j = seed%2 + (seed%2 >= j); seed /= 2;
5812 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5813 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5814 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5815 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5816 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5817 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5818 put(board, exoPieces[0], 0, 0, ANY);
5819 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5823 InitPosition (int redraw)
5825 ChessSquare (* pieces)[BOARD_FILES];
5826 int i, j, pawnRow, overrule,
5827 oldx = gameInfo.boardWidth,
5828 oldy = gameInfo.boardHeight,
5829 oldh = gameInfo.holdingsWidth;
5832 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5834 /* [AS] Initialize pv info list [HGM] and game status */
5836 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5837 pvInfoList[i].depth = 0;
5838 boards[i][EP_STATUS] = EP_NONE;
5839 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5842 initialRulePlies = 0; /* 50-move counter start */
5844 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5845 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5849 /* [HGM] logic here is completely changed. In stead of full positions */
5850 /* the initialized data only consist of the two backranks. The switch */
5851 /* selects which one we will use, which is than copied to the Board */
5852 /* initialPosition, which for the rest is initialized by Pawns and */
5853 /* empty squares. This initial position is then copied to boards[0], */
5854 /* possibly after shuffling, so that it remains available. */
5856 gameInfo.holdingsWidth = 0; /* default board sizes */
5857 gameInfo.boardWidth = 8;
5858 gameInfo.boardHeight = 8;
5859 gameInfo.holdingsSize = 0;
5860 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5861 for(i=0; i<BOARD_FILES-2; i++)
5862 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5863 initialPosition[EP_STATUS] = EP_NONE;
5864 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5865 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5866 SetCharTable(pieceNickName, appData.pieceNickNames);
5867 else SetCharTable(pieceNickName, "............");
5870 switch (gameInfo.variant) {
5871 case VariantFischeRandom:
5872 shuffleOpenings = TRUE;
5875 case VariantShatranj:
5876 pieces = ShatranjArray;
5877 nrCastlingRights = 0;
5878 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5881 pieces = makrukArray;
5882 nrCastlingRights = 0;
5883 startedFromSetupPosition = TRUE;
5884 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5886 case VariantTwoKings:
5887 pieces = twoKingsArray;
5890 pieces = GrandArray;
5891 nrCastlingRights = 0;
5892 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5893 gameInfo.boardWidth = 10;
5894 gameInfo.boardHeight = 10;
5895 gameInfo.holdingsSize = 7;
5897 case VariantCapaRandom:
5898 shuffleOpenings = TRUE;
5899 case VariantCapablanca:
5900 pieces = CapablancaArray;
5901 gameInfo.boardWidth = 10;
5902 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5905 pieces = GothicArray;
5906 gameInfo.boardWidth = 10;
5907 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5910 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5911 gameInfo.holdingsSize = 7;
5912 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5915 pieces = JanusArray;
5916 gameInfo.boardWidth = 10;
5917 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5918 nrCastlingRights = 6;
5919 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5920 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5921 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5922 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5923 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5924 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5927 pieces = FalconArray;
5928 gameInfo.boardWidth = 10;
5929 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5931 case VariantXiangqi:
5932 pieces = XiangqiArray;
5933 gameInfo.boardWidth = 9;
5934 gameInfo.boardHeight = 10;
5935 nrCastlingRights = 0;
5936 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5939 pieces = ShogiArray;
5940 gameInfo.boardWidth = 9;
5941 gameInfo.boardHeight = 9;
5942 gameInfo.holdingsSize = 7;
5943 nrCastlingRights = 0;
5944 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5946 case VariantCourier:
5947 pieces = CourierArray;
5948 gameInfo.boardWidth = 12;
5949 nrCastlingRights = 0;
5950 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5952 case VariantKnightmate:
5953 pieces = KnightmateArray;
5954 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5956 case VariantSpartan:
5957 pieces = SpartanArray;
5958 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5961 pieces = fairyArray;
5962 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5965 pieces = GreatArray;
5966 gameInfo.boardWidth = 10;
5967 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5968 gameInfo.holdingsSize = 8;
5972 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5973 gameInfo.holdingsSize = 8;
5974 startedFromSetupPosition = TRUE;
5976 case VariantCrazyhouse:
5977 case VariantBughouse:
5979 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5980 gameInfo.holdingsSize = 5;
5982 case VariantWildCastle:
5984 /* !!?shuffle with kings guaranteed to be on d or e file */
5985 shuffleOpenings = 1;
5987 case VariantNoCastle:
5989 nrCastlingRights = 0;
5990 /* !!?unconstrained back-rank shuffle */
5991 shuffleOpenings = 1;
5996 if(appData.NrFiles >= 0) {
5997 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5998 gameInfo.boardWidth = appData.NrFiles;
6000 if(appData.NrRanks >= 0) {
6001 gameInfo.boardHeight = appData.NrRanks;
6003 if(appData.holdingsSize >= 0) {
6004 i = appData.holdingsSize;
6005 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6006 gameInfo.holdingsSize = i;
6008 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6009 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6010 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6012 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6013 if(pawnRow < 1) pawnRow = 1;
6014 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6016 /* User pieceToChar list overrules defaults */
6017 if(appData.pieceToCharTable != NULL)
6018 SetCharTable(pieceToChar, appData.pieceToCharTable);
6020 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6022 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6023 s = (ChessSquare) 0; /* account holding counts in guard band */
6024 for( i=0; i<BOARD_HEIGHT; i++ )
6025 initialPosition[i][j] = s;
6027 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6028 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6029 initialPosition[pawnRow][j] = WhitePawn;
6030 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6031 if(gameInfo.variant == VariantXiangqi) {
6033 initialPosition[pawnRow][j] =
6034 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6035 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6036 initialPosition[2][j] = WhiteCannon;
6037 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6041 if(gameInfo.variant == VariantGrand) {
6042 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6043 initialPosition[0][j] = WhiteRook;
6044 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6047 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6049 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6052 initialPosition[1][j] = WhiteBishop;
6053 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6055 initialPosition[1][j] = WhiteRook;
6056 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6059 if( nrCastlingRights == -1) {
6060 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6061 /* This sets default castling rights from none to normal corners */
6062 /* Variants with other castling rights must set them themselves above */
6063 nrCastlingRights = 6;
6065 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6066 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6067 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6068 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6069 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6070 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6073 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6074 if(gameInfo.variant == VariantGreat) { // promotion commoners
6075 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6076 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6077 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6078 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6080 if( gameInfo.variant == VariantSChess ) {
6081 initialPosition[1][0] = BlackMarshall;
6082 initialPosition[2][0] = BlackAngel;
6083 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6084 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6085 initialPosition[1][1] = initialPosition[2][1] =
6086 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6088 if (appData.debugMode) {
6089 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6091 if(shuffleOpenings) {
6092 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6093 startedFromSetupPosition = TRUE;
6095 if(startedFromPositionFile) {
6096 /* [HGM] loadPos: use PositionFile for every new game */
6097 CopyBoard(initialPosition, filePosition);
6098 for(i=0; i<nrCastlingRights; i++)
6099 initialRights[i] = filePosition[CASTLING][i];
6100 startedFromSetupPosition = TRUE;
6103 CopyBoard(boards[0], initialPosition);
6105 if(oldx != gameInfo.boardWidth ||
6106 oldy != gameInfo.boardHeight ||
6107 oldv != gameInfo.variant ||
6108 oldh != gameInfo.holdingsWidth
6110 InitDrawingSizes(-2 ,0);
6112 oldv = gameInfo.variant;
6114 DrawPosition(TRUE, boards[currentMove]);
6118 SendBoard (ChessProgramState *cps, int moveNum)
6120 char message[MSG_SIZ];
6122 if (cps->useSetboard) {
6123 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6124 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6125 SendToProgram(message, cps);
6130 int i, j, left=0, right=BOARD_WIDTH;
6131 /* Kludge to set black to move, avoiding the troublesome and now
6132 * deprecated "black" command.
6134 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6135 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6137 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6139 SendToProgram("edit\n", cps);
6140 SendToProgram("#\n", cps);
6141 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6142 bp = &boards[moveNum][i][left];
6143 for (j = left; j < right; j++, bp++) {
6144 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6145 if ((int) *bp < (int) BlackPawn) {
6146 if(j == BOARD_RGHT+1)
6147 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6148 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6149 if(message[0] == '+' || message[0] == '~') {
6150 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6151 PieceToChar((ChessSquare)(DEMOTED *bp)),
6154 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6155 message[1] = BOARD_RGHT - 1 - j + '1';
6156 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6158 SendToProgram(message, cps);
6163 SendToProgram("c\n", cps);
6164 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6165 bp = &boards[moveNum][i][left];
6166 for (j = left; j < right; j++, bp++) {
6167 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6168 if (((int) *bp != (int) EmptySquare)
6169 && ((int) *bp >= (int) BlackPawn)) {
6170 if(j == BOARD_LEFT-2)
6171 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6172 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6174 if(message[0] == '+' || message[0] == '~') {
6175 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6176 PieceToChar((ChessSquare)(DEMOTED *bp)),
6179 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6180 message[1] = BOARD_RGHT - 1 - j + '1';
6181 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6183 SendToProgram(message, cps);
6188 SendToProgram(".\n", cps);
6190 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6193 char exclusionHeader[MSG_SIZ];
6194 int exCnt, excludePtr;
6195 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6196 static Exclusion excluTab[200];
6197 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6203 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6204 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6210 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6211 excludePtr = 24; exCnt = 0;
6216 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6217 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6218 char buf[2*MOVE_LEN], *p;
6219 Exclusion *e = excluTab;
6221 for(i=0; i<exCnt; i++)
6222 if(e[i].ff == fromX && e[i].fr == fromY &&
6223 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6224 if(i == exCnt) { // was not in exclude list; add it
6225 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6226 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6227 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6230 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6231 excludePtr++; e[i].mark = excludePtr++;
6232 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6235 exclusionHeader[e[i].mark] = state;
6239 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6240 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6244 if((signed char)promoChar == -1) { // kludge to indicate best move
6245 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6246 return 1; // if unparsable, abort
6248 // update exclusion map (resolving toggle by consulting existing state)
6249 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6251 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6252 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6253 excludeMap[k] |= 1<<j;
6254 else excludeMap[k] &= ~(1<<j);
6256 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6258 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6259 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6261 return (state == '+');
6265 ExcludeClick (int index)
6268 Exclusion *e = excluTab;
6269 if(index < 25) { // none, best or tail clicked
6270 if(index < 13) { // none: include all
6271 WriteMap(0); // clear map
6272 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6273 SendToBoth("include all\n"); // and inform engine
6274 } else if(index > 18) { // tail
6275 if(exclusionHeader[19] == '-') { // tail was excluded
6276 SendToBoth("include all\n");
6277 WriteMap(0); // clear map completely
6278 // now re-exclude selected moves
6279 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6280 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6281 } else { // tail was included or in mixed state
6282 SendToBoth("exclude all\n");
6283 WriteMap(0xFF); // fill map completely
6284 // now re-include selected moves
6285 j = 0; // count them
6286 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6287 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6288 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6291 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6294 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6295 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6296 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6303 DefaultPromoChoice (int white)
6306 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6307 result = WhiteFerz; // no choice
6308 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6309 result= WhiteKing; // in Suicide Q is the last thing we want
6310 else if(gameInfo.variant == VariantSpartan)
6311 result = white ? WhiteQueen : WhiteAngel;
6312 else result = WhiteQueen;
6313 if(!white) result = WHITE_TO_BLACK result;
6317 static int autoQueen; // [HGM] oneclick
6320 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6322 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6323 /* [HGM] add Shogi promotions */
6324 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6329 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6330 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6332 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6333 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6336 piece = boards[currentMove][fromY][fromX];
6337 if(gameInfo.variant == VariantShogi) {
6338 promotionZoneSize = BOARD_HEIGHT/3;
6339 highestPromotingPiece = (int)WhiteFerz;
6340 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6341 promotionZoneSize = 3;
6344 // Treat Lance as Pawn when it is not representing Amazon
6345 if(gameInfo.variant != VariantSuper) {
6346 if(piece == WhiteLance) piece = WhitePawn; else
6347 if(piece == BlackLance) piece = BlackPawn;
6350 // next weed out all moves that do not touch the promotion zone at all
6351 if((int)piece >= BlackPawn) {
6352 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6354 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6356 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6357 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6360 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6362 // weed out mandatory Shogi promotions
6363 if(gameInfo.variant == VariantShogi) {
6364 if(piece >= BlackPawn) {
6365 if(toY == 0 && piece == BlackPawn ||
6366 toY == 0 && piece == BlackQueen ||
6367 toY <= 1 && piece == BlackKnight) {
6372 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6373 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6374 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6381 // weed out obviously illegal Pawn moves
6382 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6383 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6384 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6385 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6386 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6387 // note we are not allowed to test for valid (non-)capture, due to premove
6390 // we either have a choice what to promote to, or (in Shogi) whether to promote
6391 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6392 *promoChoice = PieceToChar(BlackFerz); // no choice
6395 // no sense asking what we must promote to if it is going to explode...
6396 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6397 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6400 // give caller the default choice even if we will not make it
6401 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6402 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6403 if( sweepSelect && gameInfo.variant != VariantGreat
6404 && gameInfo.variant != VariantGrand
6405 && gameInfo.variant != VariantSuper) return FALSE;
6406 if(autoQueen) return FALSE; // predetermined
6408 // suppress promotion popup on illegal moves that are not premoves
6409 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6410 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6411 if(appData.testLegality && !premove) {
6412 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6413 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6414 if(moveType != WhitePromotion && moveType != BlackPromotion)
6422 InPalace (int row, int column)
6423 { /* [HGM] for Xiangqi */
6424 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6425 column < (BOARD_WIDTH + 4)/2 &&
6426 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6431 PieceForSquare (int x, int y)
6433 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6436 return boards[currentMove][y][x];
6440 OKToStartUserMove (int x, int y)
6442 ChessSquare from_piece;
6445 if (matchMode) return FALSE;
6446 if (gameMode == EditPosition) return TRUE;
6448 if (x >= 0 && y >= 0)
6449 from_piece = boards[currentMove][y][x];
6451 from_piece = EmptySquare;
6453 if (from_piece == EmptySquare) return FALSE;
6455 white_piece = (int)from_piece >= (int)WhitePawn &&
6456 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6460 case TwoMachinesPlay:
6468 case MachinePlaysWhite:
6469 case IcsPlayingBlack:
6470 if (appData.zippyPlay) return FALSE;
6472 DisplayMoveError(_("You are playing Black"));
6477 case MachinePlaysBlack:
6478 case IcsPlayingWhite:
6479 if (appData.zippyPlay) return FALSE;
6481 DisplayMoveError(_("You are playing White"));
6486 case PlayFromGameFile:
6487 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6489 if (!white_piece && WhiteOnMove(currentMove)) {
6490 DisplayMoveError(_("It is White's turn"));
6493 if (white_piece && !WhiteOnMove(currentMove)) {
6494 DisplayMoveError(_("It is Black's turn"));
6497 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6498 /* Editing correspondence game history */
6499 /* Could disallow this or prompt for confirmation */
6504 case BeginningOfGame:
6505 if (appData.icsActive) return FALSE;
6506 if (!appData.noChessProgram) {
6508 DisplayMoveError(_("You are playing White"));
6515 if (!white_piece && WhiteOnMove(currentMove)) {
6516 DisplayMoveError(_("It is White's turn"));
6519 if (white_piece && !WhiteOnMove(currentMove)) {
6520 DisplayMoveError(_("It is Black's turn"));
6529 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6530 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6531 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6532 && gameMode != AnalyzeFile && gameMode != Training) {
6533 DisplayMoveError(_("Displayed position is not current"));
6540 OnlyMove (int *x, int *y, Boolean captures)
6542 DisambiguateClosure cl;
6543 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6545 case MachinePlaysBlack:
6546 case IcsPlayingWhite:
6547 case BeginningOfGame:
6548 if(!WhiteOnMove(currentMove)) return FALSE;
6550 case MachinePlaysWhite:
6551 case IcsPlayingBlack:
6552 if(WhiteOnMove(currentMove)) return FALSE;
6559 cl.pieceIn = EmptySquare;
6564 cl.promoCharIn = NULLCHAR;
6565 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6566 if( cl.kind == NormalMove ||
6567 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6568 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6569 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6576 if(cl.kind != ImpossibleMove) return FALSE;
6577 cl.pieceIn = EmptySquare;
6582 cl.promoCharIn = NULLCHAR;
6583 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6584 if( cl.kind == NormalMove ||
6585 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6586 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6587 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6592 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6598 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6599 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6600 int lastLoadGameUseList = FALSE;
6601 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6602 ChessMove lastLoadGameStart = EndOfFile;
6606 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6610 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6612 /* Check if the user is playing in turn. This is complicated because we
6613 let the user "pick up" a piece before it is his turn. So the piece he
6614 tried to pick up may have been captured by the time he puts it down!
6615 Therefore we use the color the user is supposed to be playing in this
6616 test, not the color of the piece that is currently on the starting
6617 square---except in EditGame mode, where the user is playing both
6618 sides; fortunately there the capture race can't happen. (It can
6619 now happen in IcsExamining mode, but that's just too bad. The user
6620 will get a somewhat confusing message in that case.)
6625 case TwoMachinesPlay:
6629 /* We switched into a game mode where moves are not accepted,
6630 perhaps while the mouse button was down. */
6633 case MachinePlaysWhite:
6634 /* User is moving for Black */
6635 if (WhiteOnMove(currentMove)) {
6636 DisplayMoveError(_("It is White's turn"));
6641 case MachinePlaysBlack:
6642 /* User is moving for White */
6643 if (!WhiteOnMove(currentMove)) {
6644 DisplayMoveError(_("It is Black's turn"));
6649 case PlayFromGameFile:
6650 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6653 case BeginningOfGame:
6656 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6657 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6658 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6659 /* User is moving for Black */
6660 if (WhiteOnMove(currentMove)) {
6661 DisplayMoveError(_("It is White's turn"));
6665 /* User is moving for White */
6666 if (!WhiteOnMove(currentMove)) {
6667 DisplayMoveError(_("It is Black's turn"));
6673 case IcsPlayingBlack:
6674 /* User is moving for Black */
6675 if (WhiteOnMove(currentMove)) {
6676 if (!appData.premove) {
6677 DisplayMoveError(_("It is White's turn"));
6678 } else if (toX >= 0 && toY >= 0) {
6681 premoveFromX = fromX;
6682 premoveFromY = fromY;
6683 premovePromoChar = promoChar;
6685 if (appData.debugMode)
6686 fprintf(debugFP, "Got premove: fromX %d,"
6687 "fromY %d, toX %d, toY %d\n",
6688 fromX, fromY, toX, toY);
6694 case IcsPlayingWhite:
6695 /* User is moving for White */
6696 if (!WhiteOnMove(currentMove)) {
6697 if (!appData.premove) {
6698 DisplayMoveError(_("It is Black's turn"));
6699 } else if (toX >= 0 && toY >= 0) {
6702 premoveFromX = fromX;
6703 premoveFromY = fromY;
6704 premovePromoChar = promoChar;
6706 if (appData.debugMode)
6707 fprintf(debugFP, "Got premove: fromX %d,"
6708 "fromY %d, toX %d, toY %d\n",
6709 fromX, fromY, toX, toY);
6719 /* EditPosition, empty square, or different color piece;
6720 click-click move is possible */
6721 if (toX == -2 || toY == -2) {
6722 boards[0][fromY][fromX] = EmptySquare;
6723 DrawPosition(FALSE, boards[currentMove]);
6725 } else if (toX >= 0 && toY >= 0) {
6726 boards[0][toY][toX] = boards[0][fromY][fromX];
6727 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6728 if(boards[0][fromY][0] != EmptySquare) {
6729 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6730 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6733 if(fromX == BOARD_RGHT+1) {
6734 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6735 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6736 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6739 boards[0][fromY][fromX] = gatingPiece;
6740 DrawPosition(FALSE, boards[currentMove]);
6746 if(toX < 0 || toY < 0) return;
6747 pup = boards[currentMove][toY][toX];
6749 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6750 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6751 if( pup != EmptySquare ) return;
6752 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6753 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6754 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6755 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6756 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6757 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6758 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6762 /* [HGM] always test for legality, to get promotion info */
6763 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6764 fromY, fromX, toY, toX, promoChar);
6766 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6768 /* [HGM] but possibly ignore an IllegalMove result */
6769 if (appData.testLegality) {
6770 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6771 DisplayMoveError(_("Illegal move"));
6776 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6777 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6778 ClearPremoveHighlights(); // was included
6779 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6783 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6786 /* Common tail of UserMoveEvent and DropMenuEvent */
6788 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6792 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6793 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6794 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6795 if(WhiteOnMove(currentMove)) {
6796 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6798 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6802 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6803 move type in caller when we know the move is a legal promotion */
6804 if(moveType == NormalMove && promoChar)
6805 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6807 /* [HGM] <popupFix> The following if has been moved here from
6808 UserMoveEvent(). Because it seemed to belong here (why not allow
6809 piece drops in training games?), and because it can only be
6810 performed after it is known to what we promote. */
6811 if (gameMode == Training) {
6812 /* compare the move played on the board to the next move in the
6813 * game. If they match, display the move and the opponent's response.
6814 * If they don't match, display an error message.
6818 CopyBoard(testBoard, boards[currentMove]);
6819 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6821 if (CompareBoards(testBoard, boards[currentMove+1])) {
6822 ForwardInner(currentMove+1);
6824 /* Autoplay the opponent's response.
6825 * if appData.animate was TRUE when Training mode was entered,
6826 * the response will be animated.
6828 saveAnimate = appData.animate;
6829 appData.animate = animateTraining;
6830 ForwardInner(currentMove+1);
6831 appData.animate = saveAnimate;
6833 /* check for the end of the game */
6834 if (currentMove >= forwardMostMove) {
6835 gameMode = PlayFromGameFile;
6837 SetTrainingModeOff();
6838 DisplayInformation(_("End of game"));
6841 DisplayError(_("Incorrect move"), 0);
6846 /* Ok, now we know that the move is good, so we can kill
6847 the previous line in Analysis Mode */
6848 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6849 && currentMove < forwardMostMove) {
6850 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6851 else forwardMostMove = currentMove;
6856 /* If we need the chess program but it's dead, restart it */
6857 ResurrectChessProgram();
6859 /* A user move restarts a paused game*/
6863 thinkOutput[0] = NULLCHAR;
6865 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6867 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6868 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6872 if (gameMode == BeginningOfGame) {
6873 if (appData.noChessProgram) {
6874 gameMode = EditGame;
6878 gameMode = MachinePlaysBlack;
6881 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6883 if (first.sendName) {
6884 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6885 SendToProgram(buf, &first);
6892 /* Relay move to ICS or chess engine */
6893 if (appData.icsActive) {
6894 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6895 gameMode == IcsExamining) {
6896 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6897 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6899 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6901 // also send plain move, in case ICS does not understand atomic claims
6902 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6906 if (first.sendTime && (gameMode == BeginningOfGame ||
6907 gameMode == MachinePlaysWhite ||
6908 gameMode == MachinePlaysBlack)) {
6909 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6911 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6912 // [HGM] book: if program might be playing, let it use book
6913 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6914 first.maybeThinking = TRUE;
6915 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6916 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6917 SendBoard(&first, currentMove+1);
6918 if(second.analyzing) {
6919 if(!second.useSetboard) SendToProgram("undo\n", &second);
6920 SendBoard(&second, currentMove+1);
6923 SendMoveToProgram(forwardMostMove-1, &first);
6924 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6926 if (currentMove == cmailOldMove + 1) {
6927 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6931 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6935 if(appData.testLegality)
6936 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6942 if (WhiteOnMove(currentMove)) {
6943 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6945 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6949 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6954 case MachinePlaysBlack:
6955 case MachinePlaysWhite:
6956 /* disable certain menu options while machine is thinking */
6957 SetMachineThinkingEnables();
6964 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6965 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6967 if(bookHit) { // [HGM] book: simulate book reply
6968 static char bookMove[MSG_SIZ]; // a bit generous?
6970 programStats.nodes = programStats.depth = programStats.time =
6971 programStats.score = programStats.got_only_move = 0;
6972 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6974 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6975 strcat(bookMove, bookHit);
6976 HandleMachineMove(bookMove, &first);
6982 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6984 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6985 Markers *m = (Markers *) closure;
6986 if(rf == fromY && ff == fromX)
6987 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6988 || kind == WhiteCapturesEnPassant
6989 || kind == BlackCapturesEnPassant);
6990 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6994 MarkTargetSquares (int clear)
6997 if(clear) // no reason to ever suppress clearing
6998 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6999 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7000 !appData.testLegality || gameMode == EditPosition) return;
7003 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7004 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7005 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7007 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7010 DrawPosition(FALSE, NULL);
7014 Explode (Board board, int fromX, int fromY, int toX, int toY)
7016 if(gameInfo.variant == VariantAtomic &&
7017 (board[toY][toX] != EmptySquare || // capture?
7018 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7019 board[fromY][fromX] == BlackPawn )
7021 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7027 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7030 CanPromote (ChessSquare piece, int y)
7032 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7033 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7034 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7035 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7036 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7037 gameInfo.variant == VariantMakruk) return FALSE;
7038 return (piece == BlackPawn && y == 1 ||
7039 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7040 piece == BlackLance && y == 1 ||
7041 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7045 LeftClick (ClickType clickType, int xPix, int yPix)
7048 Boolean saveAnimate;
7049 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7050 char promoChoice = NULLCHAR;
7052 static TimeMark lastClickTime, prevClickTime;
7054 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7056 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7058 if (clickType == Press) ErrorPopDown();
7060 x = EventToSquare(xPix, BOARD_WIDTH);
7061 y = EventToSquare(yPix, BOARD_HEIGHT);
7062 if (!flipView && y >= 0) {
7063 y = BOARD_HEIGHT - 1 - y;
7065 if (flipView && x >= 0) {
7066 x = BOARD_WIDTH - 1 - x;
7069 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7070 defaultPromoChoice = promoSweep;
7071 promoSweep = EmptySquare; // terminate sweep
7072 promoDefaultAltered = TRUE;
7073 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7076 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7077 if(clickType == Release) return; // ignore upclick of click-click destination
7078 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7079 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7080 if(gameInfo.holdingsWidth &&
7081 (WhiteOnMove(currentMove)
7082 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7083 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7084 // click in right holdings, for determining promotion piece
7085 ChessSquare p = boards[currentMove][y][x];
7086 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7087 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7088 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7089 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7094 DrawPosition(FALSE, boards[currentMove]);
7098 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7099 if(clickType == Press
7100 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7101 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7102 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7105 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7106 // could be static click on premove from-square: abort premove
7108 ClearPremoveHighlights();
7111 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7112 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7114 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7115 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7116 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7117 defaultPromoChoice = DefaultPromoChoice(side);
7120 autoQueen = appData.alwaysPromoteToQueen;
7124 gatingPiece = EmptySquare;
7125 if (clickType != Press) {
7126 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7127 DragPieceEnd(xPix, yPix); dragging = 0;
7128 DrawPosition(FALSE, NULL);
7132 doubleClick = FALSE;
7133 if(gameMode == AnalyzeMode && pausing && 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(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7618 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7620 if(nMine == 1) return FALSE; // bare King
7621 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
7622 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7623 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7624 // by now we have King + 1 piece (or multiple Bishops on the same color)
7625 if(pCnt[WhiteKnight+side])
7626 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7627 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7628 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7630 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7631 if(pCnt[WhiteAlfil+side])
7632 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7633 if(pCnt[WhiteWazir+side])
7634 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7641 CompareWithRights (Board b1, Board b2)
7644 if(!CompareBoards(b1, b2)) return FALSE;
7645 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7646 /* compare castling rights */
7647 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7648 rights++; /* King lost rights, while rook still had them */
7649 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7650 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7651 rights++; /* but at least one rook lost them */
7653 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7655 if( b1[CASTLING][5] != NoRights ) {
7656 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7663 Adjudicate (ChessProgramState *cps)
7664 { // [HGM] some adjudications useful with buggy engines
7665 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7666 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7667 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7668 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7669 int k, count = 0; static int bare = 1;
7670 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7671 Boolean canAdjudicate = !appData.icsActive;
7673 // most tests only when we understand the game, i.e. legality-checking on
7674 if( appData.testLegality )
7675 { /* [HGM] Some more adjudications for obstinate engines */
7676 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7677 static int moveCount = 6;
7679 char *reason = NULL;
7681 /* Count what is on board. */
7682 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7684 /* Some material-based adjudications that have to be made before stalemate test */
7685 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7686 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7687 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7688 if(canAdjudicate && appData.checkMates) {
7690 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7691 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7692 "Xboard adjudication: King destroyed", GE_XBOARD );
7697 /* Bare King in Shatranj (loses) or Losers (wins) */
7698 if( nrW == 1 || nrB == 1) {
7699 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7700 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7701 if(canAdjudicate && appData.checkMates) {
7703 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7704 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7705 "Xboard adjudication: Bare king", GE_XBOARD );
7709 if( gameInfo.variant == VariantShatranj && --bare < 0)
7711 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7712 if(canAdjudicate && appData.checkMates) {
7713 /* but only adjudicate if adjudication enabled */
7715 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7716 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7717 "Xboard adjudication: Bare king", GE_XBOARD );
7724 // don't wait for engine to announce game end if we can judge ourselves
7725 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7727 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7728 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7729 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7730 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7733 reason = "Xboard adjudication: 3rd check";
7734 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7744 reason = "Xboard adjudication: Stalemate";
7745 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7746 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7747 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7748 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7749 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7750 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7751 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7752 EP_CHECKMATE : EP_WINS);
7753 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7754 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7758 reason = "Xboard adjudication: Checkmate";
7759 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7763 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7765 result = GameIsDrawn; break;
7767 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7769 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7773 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7775 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7776 GameEnds( result, reason, GE_XBOARD );
7780 /* Next absolutely insufficient mating material. */
7781 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7782 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7783 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7785 /* always flag draws, for judging claims */
7786 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7788 if(canAdjudicate && appData.materialDraws) {
7789 /* but only adjudicate them if adjudication enabled */
7790 if(engineOpponent) {
7791 SendToProgram("force\n", engineOpponent); // suppress reply
7792 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7794 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7799 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7800 if(gameInfo.variant == VariantXiangqi ?
7801 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7803 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7804 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7805 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7806 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7808 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7809 { /* if the first 3 moves do not show a tactical win, declare draw */
7810 if(engineOpponent) {
7811 SendToProgram("force\n", engineOpponent); // suppress reply
7812 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7814 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7817 } else moveCount = 6;
7820 // Repetition draws and 50-move rule can be applied independently of legality testing
7822 /* Check for rep-draws */
7824 for(k = forwardMostMove-2;
7825 k>=backwardMostMove && k>=forwardMostMove-100 &&
7826 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7827 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7830 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7831 /* compare castling rights */
7832 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7833 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7834 rights++; /* King lost rights, while rook still had them */
7835 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7836 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7837 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7838 rights++; /* but at least one rook lost them */
7840 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7841 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7843 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7844 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7845 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7848 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7849 && appData.drawRepeats > 1) {
7850 /* adjudicate after user-specified nr of repeats */
7851 int result = GameIsDrawn;
7852 char *details = "XBoard adjudication: repetition draw";
7853 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7854 // [HGM] xiangqi: check for forbidden perpetuals
7855 int m, ourPerpetual = 1, hisPerpetual = 1;
7856 for(m=forwardMostMove; m>k; m-=2) {
7857 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7858 ourPerpetual = 0; // the current mover did not always check
7859 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7860 hisPerpetual = 0; // the opponent did not always check
7862 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7863 ourPerpetual, hisPerpetual);
7864 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7865 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7866 details = "Xboard adjudication: perpetual checking";
7868 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7869 break; // (or we would have caught him before). Abort repetition-checking loop.
7871 // Now check for perpetual chases
7872 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7873 hisPerpetual = PerpetualChase(k, forwardMostMove);
7874 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7875 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7876 static char resdet[MSG_SIZ];
7877 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7879 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7881 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7882 break; // Abort repetition-checking loop.
7884 // if neither of us is checking or chasing all the time, or both are, it is draw
7886 if(engineOpponent) {
7887 SendToProgram("force\n", engineOpponent); // suppress reply
7888 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7890 GameEnds( result, details, GE_XBOARD );
7893 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7894 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7898 /* Now we test for 50-move draws. Determine ply count */
7899 count = forwardMostMove;
7900 /* look for last irreversble move */
7901 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7903 /* if we hit starting position, add initial plies */
7904 if( count == backwardMostMove )
7905 count -= initialRulePlies;
7906 count = forwardMostMove - count;
7907 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7908 // adjust reversible move counter for checks in Xiangqi
7909 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7910 if(i < backwardMostMove) i = backwardMostMove;
7911 while(i <= forwardMostMove) {
7912 lastCheck = inCheck; // check evasion does not count
7913 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7914 if(inCheck || lastCheck) count--; // check does not count
7919 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7920 /* this is used to judge if draw claims are legal */
7921 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7922 if(engineOpponent) {
7923 SendToProgram("force\n", engineOpponent); // suppress reply
7924 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7926 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7930 /* if draw offer is pending, treat it as a draw claim
7931 * when draw condition present, to allow engines a way to
7932 * claim draws before making their move to avoid a race
7933 * condition occurring after their move
7935 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7937 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7938 p = "Draw claim: 50-move rule";
7939 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7940 p = "Draw claim: 3-fold repetition";
7941 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7942 p = "Draw claim: insufficient mating material";
7943 if( p != NULL && canAdjudicate) {
7944 if(engineOpponent) {
7945 SendToProgram("force\n", engineOpponent); // suppress reply
7946 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7948 GameEnds( GameIsDrawn, p, GE_XBOARD );
7953 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7954 if(engineOpponent) {
7955 SendToProgram("force\n", engineOpponent); // suppress reply
7956 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7958 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7965 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7966 { // [HGM] book: this routine intercepts moves to simulate book replies
7967 char *bookHit = NULL;
7969 //first determine if the incoming move brings opponent into his book
7970 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7971 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7972 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7973 if(bookHit != NULL && !cps->bookSuspend) {
7974 // make sure opponent is not going to reply after receiving move to book position
7975 SendToProgram("force\n", cps);
7976 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7978 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7979 // now arrange restart after book miss
7981 // after a book hit we never send 'go', and the code after the call to this routine
7982 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7983 char buf[MSG_SIZ], *move = bookHit;
7985 int fromX, fromY, toX, toY;
7989 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7990 &fromX, &fromY, &toX, &toY, &promoChar)) {
7991 (void) CoordsToAlgebraic(boards[forwardMostMove],
7992 PosFlags(forwardMostMove),
7993 fromY, fromX, toY, toX, promoChar, move);
7995 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7999 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8000 SendToProgram(buf, cps);
8001 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8002 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8003 SendToProgram("go\n", cps);
8004 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8005 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8006 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8007 SendToProgram("go\n", cps);
8008 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8010 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8014 LoadError (char *errmess, ChessProgramState *cps)
8015 { // unloads engine and switches back to -ncp mode if it was first
8016 if(cps->initDone) return FALSE;
8017 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8018 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8021 appData.noChessProgram = TRUE;
8022 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8023 gameMode = BeginningOfGame; ModeHighlight();
8026 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8027 DisplayMessage("", ""); // erase waiting message
8028 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8033 ChessProgramState *savedState;
8035 DeferredBookMove (void)
8037 if(savedState->lastPing != savedState->lastPong)
8038 ScheduleDelayedEvent(DeferredBookMove, 10);
8040 HandleMachineMove(savedMessage, savedState);
8043 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8044 static ChessProgramState *stalledEngine;
8045 static char stashedInputMove[MSG_SIZ];
8048 HandleMachineMove (char *message, ChessProgramState *cps)
8050 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8051 char realname[MSG_SIZ];
8052 int fromX, fromY, toX, toY;
8056 int machineWhite, oldError;
8059 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8060 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8061 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8062 DisplayError(_("Invalid pairing from pairing engine"), 0);
8065 pairingReceived = 1;
8067 return; // Skim the pairing messages here.
8070 oldError = cps->userError; cps->userError = 0;
8072 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8074 * Kludge to ignore BEL characters
8076 while (*message == '\007') message++;
8079 * [HGM] engine debug message: ignore lines starting with '#' character
8081 if(cps->debug && *message == '#') return;
8084 * Look for book output
8086 if (cps == &first && bookRequested) {
8087 if (message[0] == '\t' || message[0] == ' ') {
8088 /* Part of the book output is here; append it */
8089 strcat(bookOutput, message);
8090 strcat(bookOutput, " \n");
8092 } else if (bookOutput[0] != NULLCHAR) {
8093 /* All of book output has arrived; display it */
8094 char *p = bookOutput;
8095 while (*p != NULLCHAR) {
8096 if (*p == '\t') *p = ' ';
8099 DisplayInformation(bookOutput);
8100 bookRequested = FALSE;
8101 /* Fall through to parse the current output */
8106 * Look for machine move.
8108 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8109 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8111 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8112 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8113 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8114 stalledEngine = cps;
8115 if(appData.ponderNextMove) { // bring opponent out of ponder
8116 if(gameMode == TwoMachinesPlay) {
8117 if(cps->other->pause)
8118 PauseEngine(cps->other);
8120 SendToProgram("easy\n", cps->other);
8127 /* This method is only useful on engines that support ping */
8128 if (cps->lastPing != cps->lastPong) {
8129 if (gameMode == BeginningOfGame) {
8130 /* Extra move from before last new; ignore */
8131 if (appData.debugMode) {
8132 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8135 if (appData.debugMode) {
8136 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8137 cps->which, gameMode);
8140 SendToProgram("undo\n", cps);
8146 case BeginningOfGame:
8147 /* Extra move from before last reset; ignore */
8148 if (appData.debugMode) {
8149 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8156 /* Extra move after we tried to stop. The mode test is
8157 not a reliable way of detecting this problem, but it's
8158 the best we can do on engines that don't support ping.
8160 if (appData.debugMode) {
8161 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8162 cps->which, gameMode);
8164 SendToProgram("undo\n", cps);
8167 case MachinePlaysWhite:
8168 case IcsPlayingWhite:
8169 machineWhite = TRUE;
8172 case MachinePlaysBlack:
8173 case IcsPlayingBlack:
8174 machineWhite = FALSE;
8177 case TwoMachinesPlay:
8178 machineWhite = (cps->twoMachinesColor[0] == 'w');
8181 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8182 if (appData.debugMode) {
8184 "Ignoring move out of turn by %s, gameMode %d"
8185 ", forwardMost %d\n",
8186 cps->which, gameMode, forwardMostMove);
8191 if(cps->alphaRank) AlphaRank(machineMove, 4);
8192 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8193 &fromX, &fromY, &toX, &toY, &promoChar)) {
8194 /* Machine move could not be parsed; ignore it. */
8195 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8196 machineMove, _(cps->which));
8197 DisplayError(buf1, 0);
8198 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8199 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8200 if (gameMode == TwoMachinesPlay) {
8201 GameEnds(machineWhite ? BlackWins : WhiteWins,
8207 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8208 /* So we have to redo legality test with true e.p. status here, */
8209 /* to make sure an illegal e.p. capture does not slip through, */
8210 /* to cause a forfeit on a justified illegal-move complaint */
8211 /* of the opponent. */
8212 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8214 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8215 fromY, fromX, toY, toX, promoChar);
8216 if(moveType == IllegalMove) {
8217 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8218 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8219 GameEnds(machineWhite ? BlackWins : WhiteWins,
8222 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8223 /* [HGM] Kludge to handle engines that send FRC-style castling
8224 when they shouldn't (like TSCP-Gothic) */
8226 case WhiteASideCastleFR:
8227 case BlackASideCastleFR:
8229 currentMoveString[2]++;
8231 case WhiteHSideCastleFR:
8232 case BlackHSideCastleFR:
8234 currentMoveString[2]--;
8236 default: ; // nothing to do, but suppresses warning of pedantic compilers
8239 hintRequested = FALSE;
8240 lastHint[0] = NULLCHAR;
8241 bookRequested = FALSE;
8242 /* Program may be pondering now */
8243 cps->maybeThinking = TRUE;
8244 if (cps->sendTime == 2) cps->sendTime = 1;
8245 if (cps->offeredDraw) cps->offeredDraw--;
8247 /* [AS] Save move info*/
8248 pvInfoList[ forwardMostMove ].score = programStats.score;
8249 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8250 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8252 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8254 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8255 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8258 while( count < adjudicateLossPlies ) {
8259 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8262 score = -score; /* Flip score for winning side */
8265 if( score > adjudicateLossThreshold ) {
8272 if( count >= adjudicateLossPlies ) {
8273 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8275 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8276 "Xboard adjudication",
8283 if(Adjudicate(cps)) {
8284 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8285 return; // [HGM] adjudicate: for all automatic game ends
8289 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8291 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8292 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8294 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8296 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8298 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8299 char buf[3*MSG_SIZ];
8301 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8302 programStats.score / 100.,
8304 programStats.time / 100.,
8305 (unsigned int)programStats.nodes,
8306 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8307 programStats.movelist);
8309 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8314 /* [AS] Clear stats for next move */
8315 ClearProgramStats();
8316 thinkOutput[0] = NULLCHAR;
8317 hiddenThinkOutputState = 0;
8320 if (gameMode == TwoMachinesPlay) {
8321 /* [HGM] relaying draw offers moved to after reception of move */
8322 /* and interpreting offer as claim if it brings draw condition */
8323 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8324 SendToProgram("draw\n", cps->other);
8326 if (cps->other->sendTime) {
8327 SendTimeRemaining(cps->other,
8328 cps->other->twoMachinesColor[0] == 'w');
8330 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8331 if (firstMove && !bookHit) {
8333 if (cps->other->useColors) {
8334 SendToProgram(cps->other->twoMachinesColor, cps->other);
8336 SendToProgram("go\n", cps->other);
8338 cps->other->maybeThinking = TRUE;
8341 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8343 if (!pausing && appData.ringBellAfterMoves) {
8348 * Reenable menu items that were disabled while
8349 * machine was thinking
8351 if (gameMode != TwoMachinesPlay)
8352 SetUserThinkingEnables();
8354 // [HGM] book: after book hit opponent has received move and is now in force mode
8355 // force the book reply into it, and then fake that it outputted this move by jumping
8356 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8358 static char bookMove[MSG_SIZ]; // a bit generous?
8360 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8361 strcat(bookMove, bookHit);
8364 programStats.nodes = programStats.depth = programStats.time =
8365 programStats.score = programStats.got_only_move = 0;
8366 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8368 if(cps->lastPing != cps->lastPong) {
8369 savedMessage = message; // args for deferred call
8371 ScheduleDelayedEvent(DeferredBookMove, 10);
8380 /* Set special modes for chess engines. Later something general
8381 * could be added here; for now there is just one kludge feature,
8382 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8383 * when "xboard" is given as an interactive command.
8385 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8386 cps->useSigint = FALSE;
8387 cps->useSigterm = FALSE;
8389 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8390 ParseFeatures(message+8, cps);
8391 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8394 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8395 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8396 int dummy, s=6; char buf[MSG_SIZ];
8397 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8398 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8399 if(startedFromSetupPosition) return;
8400 ParseFEN(boards[0], &dummy, message+s);
8401 DrawPosition(TRUE, boards[0]);
8402 startedFromSetupPosition = TRUE;
8405 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8406 * want this, I was asked to put it in, and obliged.
8408 if (!strncmp(message, "setboard ", 9)) {
8409 Board initial_position;
8411 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8413 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8414 DisplayError(_("Bad FEN received from engine"), 0);
8418 CopyBoard(boards[0], initial_position);
8419 initialRulePlies = FENrulePlies;
8420 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8421 else gameMode = MachinePlaysBlack;
8422 DrawPosition(FALSE, boards[currentMove]);
8428 * Look for communication commands
8430 if (!strncmp(message, "telluser ", 9)) {
8431 if(message[9] == '\\' && message[10] == '\\')
8432 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8434 DisplayNote(message + 9);
8437 if (!strncmp(message, "tellusererror ", 14)) {
8439 if(message[14] == '\\' && message[15] == '\\')
8440 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8442 DisplayError(message + 14, 0);
8445 if (!strncmp(message, "tellopponent ", 13)) {
8446 if (appData.icsActive) {
8448 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8452 DisplayNote(message + 13);
8456 if (!strncmp(message, "tellothers ", 11)) {
8457 if (appData.icsActive) {
8459 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8465 if (!strncmp(message, "tellall ", 8)) {
8466 if (appData.icsActive) {
8468 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8472 DisplayNote(message + 8);
8476 if (strncmp(message, "warning", 7) == 0) {
8477 /* Undocumented feature, use tellusererror in new code */
8478 DisplayError(message, 0);
8481 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8482 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8483 strcat(realname, " query");
8484 AskQuestion(realname, buf2, buf1, cps->pr);
8487 /* Commands from the engine directly to ICS. We don't allow these to be
8488 * sent until we are logged on. Crafty kibitzes have been known to
8489 * interfere with the login process.
8492 if (!strncmp(message, "tellics ", 8)) {
8493 SendToICS(message + 8);
8497 if (!strncmp(message, "tellicsnoalias ", 15)) {
8498 SendToICS(ics_prefix);
8499 SendToICS(message + 15);
8503 /* The following are for backward compatibility only */
8504 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8505 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8506 SendToICS(ics_prefix);
8512 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8516 * If the move is illegal, cancel it and redraw the board.
8517 * Also deal with other error cases. Matching is rather loose
8518 * here to accommodate engines written before the spec.
8520 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8521 strncmp(message, "Error", 5) == 0) {
8522 if (StrStr(message, "name") ||
8523 StrStr(message, "rating") || StrStr(message, "?") ||
8524 StrStr(message, "result") || StrStr(message, "board") ||
8525 StrStr(message, "bk") || StrStr(message, "computer") ||
8526 StrStr(message, "variant") || StrStr(message, "hint") ||
8527 StrStr(message, "random") || StrStr(message, "depth") ||
8528 StrStr(message, "accepted")) {
8531 if (StrStr(message, "protover")) {
8532 /* Program is responding to input, so it's apparently done
8533 initializing, and this error message indicates it is
8534 protocol version 1. So we don't need to wait any longer
8535 for it to initialize and send feature commands. */
8536 FeatureDone(cps, 1);
8537 cps->protocolVersion = 1;
8540 cps->maybeThinking = FALSE;
8542 if (StrStr(message, "draw")) {
8543 /* Program doesn't have "draw" command */
8544 cps->sendDrawOffers = 0;
8547 if (cps->sendTime != 1 &&
8548 (StrStr(message, "time") || StrStr(message, "otim"))) {
8549 /* Program apparently doesn't have "time" or "otim" command */
8553 if (StrStr(message, "analyze")) {
8554 cps->analysisSupport = FALSE;
8555 cps->analyzing = FALSE;
8556 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8557 EditGameEvent(); // [HGM] try to preserve loaded game
8558 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8559 DisplayError(buf2, 0);
8562 if (StrStr(message, "(no matching move)st")) {
8563 /* Special kludge for GNU Chess 4 only */
8564 cps->stKludge = TRUE;
8565 SendTimeControl(cps, movesPerSession, timeControl,
8566 timeIncrement, appData.searchDepth,
8570 if (StrStr(message, "(no matching move)sd")) {
8571 /* Special kludge for GNU Chess 4 only */
8572 cps->sdKludge = TRUE;
8573 SendTimeControl(cps, movesPerSession, timeControl,
8574 timeIncrement, appData.searchDepth,
8578 if (!StrStr(message, "llegal")) {
8581 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8582 gameMode == IcsIdle) return;
8583 if (forwardMostMove <= backwardMostMove) return;
8584 if (pausing) PauseEvent();
8585 if(appData.forceIllegal) {
8586 // [HGM] illegal: machine refused move; force position after move into it
8587 SendToProgram("force\n", cps);
8588 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8589 // we have a real problem now, as SendBoard will use the a2a3 kludge
8590 // when black is to move, while there might be nothing on a2 or black
8591 // might already have the move. So send the board as if white has the move.
8592 // But first we must change the stm of the engine, as it refused the last move
8593 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8594 if(WhiteOnMove(forwardMostMove)) {
8595 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8596 SendBoard(cps, forwardMostMove); // kludgeless board
8598 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8599 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8600 SendBoard(cps, forwardMostMove+1); // kludgeless board
8602 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8603 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8604 gameMode == TwoMachinesPlay)
8605 SendToProgram("go\n", cps);
8608 if (gameMode == PlayFromGameFile) {
8609 /* Stop reading this game file */
8610 gameMode = EditGame;
8613 /* [HGM] illegal-move claim should forfeit game when Xboard */
8614 /* only passes fully legal moves */
8615 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8616 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8617 "False illegal-move claim", GE_XBOARD );
8618 return; // do not take back move we tested as valid
8620 currentMove = forwardMostMove-1;
8621 DisplayMove(currentMove-1); /* before DisplayMoveError */
8622 SwitchClocks(forwardMostMove-1); // [HGM] race
8623 DisplayBothClocks();
8624 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8625 parseList[currentMove], _(cps->which));
8626 DisplayMoveError(buf1);
8627 DrawPosition(FALSE, boards[currentMove]);
8629 SetUserThinkingEnables();
8632 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8633 /* Program has a broken "time" command that
8634 outputs a string not ending in newline.
8640 * If chess program startup fails, exit with an error message.
8641 * Attempts to recover here are futile. [HGM] Well, we try anyway
8643 if ((StrStr(message, "unknown host") != NULL)
8644 || (StrStr(message, "No remote directory") != NULL)
8645 || (StrStr(message, "not found") != NULL)
8646 || (StrStr(message, "No such file") != NULL)
8647 || (StrStr(message, "can't alloc") != NULL)
8648 || (StrStr(message, "Permission denied") != NULL)) {
8650 cps->maybeThinking = FALSE;
8651 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8652 _(cps->which), cps->program, cps->host, message);
8653 RemoveInputSource(cps->isr);
8654 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8655 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8656 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8662 * Look for hint output
8664 if (sscanf(message, "Hint: %s", buf1) == 1) {
8665 if (cps == &first && hintRequested) {
8666 hintRequested = FALSE;
8667 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8668 &fromX, &fromY, &toX, &toY, &promoChar)) {
8669 (void) CoordsToAlgebraic(boards[forwardMostMove],
8670 PosFlags(forwardMostMove),
8671 fromY, fromX, toY, toX, promoChar, buf1);
8672 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8673 DisplayInformation(buf2);
8675 /* Hint move could not be parsed!? */
8676 snprintf(buf2, sizeof(buf2),
8677 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8678 buf1, _(cps->which));
8679 DisplayError(buf2, 0);
8682 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8688 * Ignore other messages if game is not in progress
8690 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8691 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8694 * look for win, lose, draw, or draw offer
8696 if (strncmp(message, "1-0", 3) == 0) {
8697 char *p, *q, *r = "";
8698 p = strchr(message, '{');
8706 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8708 } else if (strncmp(message, "0-1", 3) == 0) {
8709 char *p, *q, *r = "";
8710 p = strchr(message, '{');
8718 /* Kludge for Arasan 4.1 bug */
8719 if (strcmp(r, "Black resigns") == 0) {
8720 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8723 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8725 } else if (strncmp(message, "1/2", 3) == 0) {
8726 char *p, *q, *r = "";
8727 p = strchr(message, '{');
8736 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8739 } else if (strncmp(message, "White resign", 12) == 0) {
8740 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8742 } else if (strncmp(message, "Black resign", 12) == 0) {
8743 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8745 } else if (strncmp(message, "White matches", 13) == 0 ||
8746 strncmp(message, "Black matches", 13) == 0 ) {
8747 /* [HGM] ignore GNUShogi noises */
8749 } else if (strncmp(message, "White", 5) == 0 &&
8750 message[5] != '(' &&
8751 StrStr(message, "Black") == NULL) {
8752 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8754 } else if (strncmp(message, "Black", 5) == 0 &&
8755 message[5] != '(') {
8756 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8758 } else if (strcmp(message, "resign") == 0 ||
8759 strcmp(message, "computer resigns") == 0) {
8761 case MachinePlaysBlack:
8762 case IcsPlayingBlack:
8763 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8765 case MachinePlaysWhite:
8766 case IcsPlayingWhite:
8767 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8769 case TwoMachinesPlay:
8770 if (cps->twoMachinesColor[0] == 'w')
8771 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8773 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8780 } else if (strncmp(message, "opponent mates", 14) == 0) {
8782 case MachinePlaysBlack:
8783 case IcsPlayingBlack:
8784 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8786 case MachinePlaysWhite:
8787 case IcsPlayingWhite:
8788 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8790 case TwoMachinesPlay:
8791 if (cps->twoMachinesColor[0] == 'w')
8792 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8794 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8801 } else if (strncmp(message, "computer mates", 14) == 0) {
8803 case MachinePlaysBlack:
8804 case IcsPlayingBlack:
8805 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8807 case MachinePlaysWhite:
8808 case IcsPlayingWhite:
8809 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8811 case TwoMachinesPlay:
8812 if (cps->twoMachinesColor[0] == 'w')
8813 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8815 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8822 } else if (strncmp(message, "checkmate", 9) == 0) {
8823 if (WhiteOnMove(forwardMostMove)) {
8824 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8826 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8829 } else if (strstr(message, "Draw") != NULL ||
8830 strstr(message, "game is a draw") != NULL) {
8831 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8833 } else if (strstr(message, "offer") != NULL &&
8834 strstr(message, "draw") != NULL) {
8836 if (appData.zippyPlay && first.initDone) {
8837 /* Relay offer to ICS */
8838 SendToICS(ics_prefix);
8839 SendToICS("draw\n");
8842 cps->offeredDraw = 2; /* valid until this engine moves twice */
8843 if (gameMode == TwoMachinesPlay) {
8844 if (cps->other->offeredDraw) {
8845 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8846 /* [HGM] in two-machine mode we delay relaying draw offer */
8847 /* until after we also have move, to see if it is really claim */
8849 } else if (gameMode == MachinePlaysWhite ||
8850 gameMode == MachinePlaysBlack) {
8851 if (userOfferedDraw) {
8852 DisplayInformation(_("Machine accepts your draw offer"));
8853 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8855 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8862 * Look for thinking output
8864 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8865 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8867 int plylev, mvleft, mvtot, curscore, time;
8868 char mvname[MOVE_LEN];
8872 int prefixHint = FALSE;
8873 mvname[0] = NULLCHAR;
8876 case MachinePlaysBlack:
8877 case IcsPlayingBlack:
8878 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8880 case MachinePlaysWhite:
8881 case IcsPlayingWhite:
8882 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8887 case IcsObserving: /* [DM] icsEngineAnalyze */
8888 if (!appData.icsEngineAnalyze) ignore = TRUE;
8890 case TwoMachinesPlay:
8891 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8901 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8903 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8904 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8906 if (plyext != ' ' && plyext != '\t') {
8910 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8911 if( cps->scoreIsAbsolute &&
8912 ( gameMode == MachinePlaysBlack ||
8913 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8914 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8915 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8916 !WhiteOnMove(currentMove)
8919 curscore = -curscore;
8922 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8924 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8927 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8928 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8929 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8930 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8931 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8932 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8934 } else DisplayError(_("failed writing PV"), 0);
8937 tempStats.depth = plylev;
8938 tempStats.nodes = nodes;
8939 tempStats.time = time;
8940 tempStats.score = curscore;
8941 tempStats.got_only_move = 0;
8943 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8946 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8947 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8948 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8949 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8950 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8951 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8952 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8953 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8956 /* Buffer overflow protection */
8957 if (pv[0] != NULLCHAR) {
8958 if (strlen(pv) >= sizeof(tempStats.movelist)
8959 && appData.debugMode) {
8961 "PV is too long; using the first %u bytes.\n",
8962 (unsigned) sizeof(tempStats.movelist) - 1);
8965 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8967 sprintf(tempStats.movelist, " no PV\n");
8970 if (tempStats.seen_stat) {
8971 tempStats.ok_to_send = 1;
8974 if (strchr(tempStats.movelist, '(') != NULL) {
8975 tempStats.line_is_book = 1;
8976 tempStats.nr_moves = 0;
8977 tempStats.moves_left = 0;
8979 tempStats.line_is_book = 0;
8982 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8983 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8985 SendProgramStatsToFrontend( cps, &tempStats );
8988 [AS] Protect the thinkOutput buffer from overflow... this
8989 is only useful if buf1 hasn't overflowed first!
8991 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8993 (gameMode == TwoMachinesPlay ?
8994 ToUpper(cps->twoMachinesColor[0]) : ' '),
8995 ((double) curscore) / 100.0,
8996 prefixHint ? lastHint : "",
8997 prefixHint ? " " : "" );
8999 if( buf1[0] != NULLCHAR ) {
9000 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9002 if( strlen(pv) > max_len ) {
9003 if( appData.debugMode) {
9004 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9006 pv[max_len+1] = '\0';
9009 strcat( thinkOutput, pv);
9012 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9013 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9014 DisplayMove(currentMove - 1);
9018 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9019 /* crafty (9.25+) says "(only move) <move>"
9020 * if there is only 1 legal move
9022 sscanf(p, "(only move) %s", buf1);
9023 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9024 sprintf(programStats.movelist, "%s (only move)", buf1);
9025 programStats.depth = 1;
9026 programStats.nr_moves = 1;
9027 programStats.moves_left = 1;
9028 programStats.nodes = 1;
9029 programStats.time = 1;
9030 programStats.got_only_move = 1;
9032 /* Not really, but we also use this member to
9033 mean "line isn't going to change" (Crafty
9034 isn't searching, so stats won't change) */
9035 programStats.line_is_book = 1;
9037 SendProgramStatsToFrontend( cps, &programStats );
9039 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9040 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9041 DisplayMove(currentMove - 1);
9044 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9045 &time, &nodes, &plylev, &mvleft,
9046 &mvtot, mvname) >= 5) {
9047 /* The stat01: line is from Crafty (9.29+) in response
9048 to the "." command */
9049 programStats.seen_stat = 1;
9050 cps->maybeThinking = TRUE;
9052 if (programStats.got_only_move || !appData.periodicUpdates)
9055 programStats.depth = plylev;
9056 programStats.time = time;
9057 programStats.nodes = nodes;
9058 programStats.moves_left = mvleft;
9059 programStats.nr_moves = mvtot;
9060 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9061 programStats.ok_to_send = 1;
9062 programStats.movelist[0] = '\0';
9064 SendProgramStatsToFrontend( cps, &programStats );
9068 } else if (strncmp(message,"++",2) == 0) {
9069 /* Crafty 9.29+ outputs this */
9070 programStats.got_fail = 2;
9073 } else if (strncmp(message,"--",2) == 0) {
9074 /* Crafty 9.29+ outputs this */
9075 programStats.got_fail = 1;
9078 } else if (thinkOutput[0] != NULLCHAR &&
9079 strncmp(message, " ", 4) == 0) {
9080 unsigned message_len;
9083 while (*p && *p == ' ') p++;
9085 message_len = strlen( p );
9087 /* [AS] Avoid buffer overflow */
9088 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9089 strcat(thinkOutput, " ");
9090 strcat(thinkOutput, p);
9093 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9094 strcat(programStats.movelist, " ");
9095 strcat(programStats.movelist, p);
9098 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9099 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9100 DisplayMove(currentMove - 1);
9108 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9109 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9111 ChessProgramStats cpstats;
9113 if (plyext != ' ' && plyext != '\t') {
9117 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9118 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9119 curscore = -curscore;
9122 cpstats.depth = plylev;
9123 cpstats.nodes = nodes;
9124 cpstats.time = time;
9125 cpstats.score = curscore;
9126 cpstats.got_only_move = 0;
9127 cpstats.movelist[0] = '\0';
9129 if (buf1[0] != NULLCHAR) {
9130 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9133 cpstats.ok_to_send = 0;
9134 cpstats.line_is_book = 0;
9135 cpstats.nr_moves = 0;
9136 cpstats.moves_left = 0;
9138 SendProgramStatsToFrontend( cps, &cpstats );
9145 /* Parse a game score from the character string "game", and
9146 record it as the history of the current game. The game
9147 score is NOT assumed to start from the standard position.
9148 The display is not updated in any way.
9151 ParseGameHistory (char *game)
9154 int fromX, fromY, toX, toY, boardIndex;
9159 if (appData.debugMode)
9160 fprintf(debugFP, "Parsing game history: %s\n", game);
9162 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9163 gameInfo.site = StrSave(appData.icsHost);
9164 gameInfo.date = PGNDate();
9165 gameInfo.round = StrSave("-");
9167 /* Parse out names of players */
9168 while (*game == ' ') game++;
9170 while (*game != ' ') *p++ = *game++;
9172 gameInfo.white = StrSave(buf);
9173 while (*game == ' ') game++;
9175 while (*game != ' ' && *game != '\n') *p++ = *game++;
9177 gameInfo.black = StrSave(buf);
9180 boardIndex = blackPlaysFirst ? 1 : 0;
9183 yyboardindex = boardIndex;
9184 moveType = (ChessMove) Myylex();
9186 case IllegalMove: /* maybe suicide chess, etc. */
9187 if (appData.debugMode) {
9188 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9189 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9190 setbuf(debugFP, NULL);
9192 case WhitePromotion:
9193 case BlackPromotion:
9194 case WhiteNonPromotion:
9195 case BlackNonPromotion:
9197 case WhiteCapturesEnPassant:
9198 case BlackCapturesEnPassant:
9199 case WhiteKingSideCastle:
9200 case WhiteQueenSideCastle:
9201 case BlackKingSideCastle:
9202 case BlackQueenSideCastle:
9203 case WhiteKingSideCastleWild:
9204 case WhiteQueenSideCastleWild:
9205 case BlackKingSideCastleWild:
9206 case BlackQueenSideCastleWild:
9208 case WhiteHSideCastleFR:
9209 case WhiteASideCastleFR:
9210 case BlackHSideCastleFR:
9211 case BlackASideCastleFR:
9213 fromX = currentMoveString[0] - AAA;
9214 fromY = currentMoveString[1] - ONE;
9215 toX = currentMoveString[2] - AAA;
9216 toY = currentMoveString[3] - ONE;
9217 promoChar = currentMoveString[4];
9221 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9222 fromX = moveType == WhiteDrop ?
9223 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9224 (int) CharToPiece(ToLower(currentMoveString[0]));
9226 toX = currentMoveString[2] - AAA;
9227 toY = currentMoveString[3] - ONE;
9228 promoChar = NULLCHAR;
9232 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9233 if (appData.debugMode) {
9234 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9235 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9236 setbuf(debugFP, NULL);
9238 DisplayError(buf, 0);
9240 case ImpossibleMove:
9242 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9243 if (appData.debugMode) {
9244 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9245 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9246 setbuf(debugFP, NULL);
9248 DisplayError(buf, 0);
9251 if (boardIndex < backwardMostMove) {
9252 /* Oops, gap. How did that happen? */
9253 DisplayError(_("Gap in move list"), 0);
9256 backwardMostMove = blackPlaysFirst ? 1 : 0;
9257 if (boardIndex > forwardMostMove) {
9258 forwardMostMove = boardIndex;
9262 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9263 strcat(parseList[boardIndex-1], " ");
9264 strcat(parseList[boardIndex-1], yy_text);
9276 case GameUnfinished:
9277 if (gameMode == IcsExamining) {
9278 if (boardIndex < backwardMostMove) {
9279 /* Oops, gap. How did that happen? */
9282 backwardMostMove = blackPlaysFirst ? 1 : 0;
9285 gameInfo.result = moveType;
9286 p = strchr(yy_text, '{');
9287 if (p == NULL) p = strchr(yy_text, '(');
9290 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9292 q = strchr(p, *p == '{' ? '}' : ')');
9293 if (q != NULL) *q = NULLCHAR;
9296 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9297 gameInfo.resultDetails = StrSave(p);
9300 if (boardIndex >= forwardMostMove &&
9301 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9302 backwardMostMove = blackPlaysFirst ? 1 : 0;
9305 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9306 fromY, fromX, toY, toX, promoChar,
9307 parseList[boardIndex]);
9308 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9309 /* currentMoveString is set as a side-effect of yylex */
9310 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9311 strcat(moveList[boardIndex], "\n");
9313 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9314 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9320 if(gameInfo.variant != VariantShogi)
9321 strcat(parseList[boardIndex - 1], "+");
9325 strcat(parseList[boardIndex - 1], "#");
9332 /* Apply a move to the given board */
9334 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9336 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9337 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9339 /* [HGM] compute & store e.p. status and castling rights for new position */
9340 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9342 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9343 oldEP = (signed char)board[EP_STATUS];
9344 board[EP_STATUS] = EP_NONE;
9346 if (fromY == DROP_RANK) {
9348 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9349 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9352 piece = board[toY][toX] = (ChessSquare) fromX;
9356 if( board[toY][toX] != EmptySquare )
9357 board[EP_STATUS] = EP_CAPTURE;
9359 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9360 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9361 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9363 if( board[fromY][fromX] == WhitePawn ) {
9364 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9365 board[EP_STATUS] = EP_PAWN_MOVE;
9367 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9368 gameInfo.variant != VariantBerolina || toX < fromX)
9369 board[EP_STATUS] = toX | berolina;
9370 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9371 gameInfo.variant != VariantBerolina || toX > fromX)
9372 board[EP_STATUS] = toX;
9375 if( board[fromY][fromX] == BlackPawn ) {
9376 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9377 board[EP_STATUS] = EP_PAWN_MOVE;
9378 if( toY-fromY== -2) {
9379 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9380 gameInfo.variant != VariantBerolina || toX < fromX)
9381 board[EP_STATUS] = toX | berolina;
9382 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9383 gameInfo.variant != VariantBerolina || toX > fromX)
9384 board[EP_STATUS] = toX;
9388 for(i=0; i<nrCastlingRights; i++) {
9389 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9390 board[CASTLING][i] == toX && castlingRank[i] == toY
9391 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9394 if(gameInfo.variant == VariantSChess) { // update virginity
9395 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9396 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9397 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9398 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9401 if (fromX == toX && fromY == toY) return;
9403 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9404 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9405 if(gameInfo.variant == VariantKnightmate)
9406 king += (int) WhiteUnicorn - (int) WhiteKing;
9408 /* Code added by Tord: */
9409 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9410 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9411 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9412 board[fromY][fromX] = EmptySquare;
9413 board[toY][toX] = EmptySquare;
9414 if((toX > fromX) != (piece == WhiteRook)) {
9415 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9417 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9419 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9420 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9421 board[fromY][fromX] = EmptySquare;
9422 board[toY][toX] = EmptySquare;
9423 if((toX > fromX) != (piece == BlackRook)) {
9424 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9426 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9428 /* End of code added by Tord */
9430 } else if (board[fromY][fromX] == king
9431 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9432 && toY == fromY && toX > fromX+1) {
9433 board[fromY][fromX] = EmptySquare;
9434 board[toY][toX] = king;
9435 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9436 board[fromY][BOARD_RGHT-1] = EmptySquare;
9437 } else if (board[fromY][fromX] == king
9438 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9439 && toY == fromY && toX < fromX-1) {
9440 board[fromY][fromX] = EmptySquare;
9441 board[toY][toX] = king;
9442 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9443 board[fromY][BOARD_LEFT] = EmptySquare;
9444 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9445 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9446 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9448 /* white pawn promotion */
9449 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9450 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9451 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9452 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9453 board[fromY][fromX] = EmptySquare;
9454 } else if ((fromY >= BOARD_HEIGHT>>1)
9456 && gameInfo.variant != VariantXiangqi
9457 && gameInfo.variant != VariantBerolina
9458 && (board[fromY][fromX] == WhitePawn)
9459 && (board[toY][toX] == EmptySquare)) {
9460 board[fromY][fromX] = EmptySquare;
9461 board[toY][toX] = WhitePawn;
9462 captured = board[toY - 1][toX];
9463 board[toY - 1][toX] = EmptySquare;
9464 } else if ((fromY == BOARD_HEIGHT-4)
9466 && gameInfo.variant == VariantBerolina
9467 && (board[fromY][fromX] == WhitePawn)
9468 && (board[toY][toX] == EmptySquare)) {
9469 board[fromY][fromX] = EmptySquare;
9470 board[toY][toX] = WhitePawn;
9471 if(oldEP & EP_BEROLIN_A) {
9472 captured = board[fromY][fromX-1];
9473 board[fromY][fromX-1] = EmptySquare;
9474 }else{ captured = board[fromY][fromX+1];
9475 board[fromY][fromX+1] = EmptySquare;
9477 } else if (board[fromY][fromX] == king
9478 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9479 && toY == fromY && toX > fromX+1) {
9480 board[fromY][fromX] = EmptySquare;
9481 board[toY][toX] = king;
9482 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9483 board[fromY][BOARD_RGHT-1] = EmptySquare;
9484 } else if (board[fromY][fromX] == king
9485 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9486 && toY == fromY && toX < fromX-1) {
9487 board[fromY][fromX] = EmptySquare;
9488 board[toY][toX] = king;
9489 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9490 board[fromY][BOARD_LEFT] = EmptySquare;
9491 } else if (fromY == 7 && fromX == 3
9492 && board[fromY][fromX] == BlackKing
9493 && toY == 7 && toX == 5) {
9494 board[fromY][fromX] = EmptySquare;
9495 board[toY][toX] = BlackKing;
9496 board[fromY][7] = EmptySquare;
9497 board[toY][4] = BlackRook;
9498 } else if (fromY == 7 && fromX == 3
9499 && board[fromY][fromX] == BlackKing
9500 && toY == 7 && toX == 1) {
9501 board[fromY][fromX] = EmptySquare;
9502 board[toY][toX] = BlackKing;
9503 board[fromY][0] = EmptySquare;
9504 board[toY][2] = BlackRook;
9505 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9506 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9507 && toY < promoRank && promoChar
9509 /* black pawn promotion */
9510 board[toY][toX] = CharToPiece(ToLower(promoChar));
9511 if((gameInfo.variant==VariantBughouse || gameInfo.variant==VariantCrazyhouse)
9512 && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9513 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9514 board[fromY][fromX] = EmptySquare;
9515 } else if ((fromY < BOARD_HEIGHT>>1)
9517 && gameInfo.variant != VariantXiangqi
9518 && gameInfo.variant != VariantBerolina
9519 && (board[fromY][fromX] == BlackPawn)
9520 && (board[toY][toX] == EmptySquare)) {
9521 board[fromY][fromX] = EmptySquare;
9522 board[toY][toX] = BlackPawn;
9523 captured = board[toY + 1][toX];
9524 board[toY + 1][toX] = EmptySquare;
9525 } else if ((fromY == 3)
9527 && gameInfo.variant == VariantBerolina
9528 && (board[fromY][fromX] == BlackPawn)
9529 && (board[toY][toX] == EmptySquare)) {
9530 board[fromY][fromX] = EmptySquare;
9531 board[toY][toX] = BlackPawn;
9532 if(oldEP & EP_BEROLIN_A) {
9533 captured = board[fromY][fromX-1];
9534 board[fromY][fromX-1] = EmptySquare;
9535 }else{ captured = board[fromY][fromX+1];
9536 board[fromY][fromX+1] = EmptySquare;
9539 board[toY][toX] = board[fromY][fromX];
9540 board[fromY][fromX] = EmptySquare;
9544 if (gameInfo.holdingsWidth != 0) {
9546 /* !!A lot more code needs to be written to support holdings */
9547 /* [HGM] OK, so I have written it. Holdings are stored in the */
9548 /* penultimate board files, so they are automaticlly stored */
9549 /* in the game history. */
9550 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9551 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9552 /* Delete from holdings, by decreasing count */
9553 /* and erasing image if necessary */
9554 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9555 if(p < (int) BlackPawn) { /* white drop */
9556 p -= (int)WhitePawn;
9557 p = PieceToNumber((ChessSquare)p);
9558 if(p >= gameInfo.holdingsSize) p = 0;
9559 if(--board[p][BOARD_WIDTH-2] <= 0)
9560 board[p][BOARD_WIDTH-1] = EmptySquare;
9561 if((int)board[p][BOARD_WIDTH-2] < 0)
9562 board[p][BOARD_WIDTH-2] = 0;
9563 } else { /* black drop */
9564 p -= (int)BlackPawn;
9565 p = PieceToNumber((ChessSquare)p);
9566 if(p >= gameInfo.holdingsSize) p = 0;
9567 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9568 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9569 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9570 board[BOARD_HEIGHT-1-p][1] = 0;
9573 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9574 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9575 /* [HGM] holdings: Add to holdings, if holdings exist */
9576 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9577 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9578 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9581 if (p >= (int) BlackPawn) {
9582 p -= (int)BlackPawn;
9583 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9584 /* in Shogi restore piece to its original first */
9585 captured = (ChessSquare) (DEMOTED captured);
9588 p = PieceToNumber((ChessSquare)p);
9589 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9590 board[p][BOARD_WIDTH-2]++;
9591 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9593 p -= (int)WhitePawn;
9594 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9595 captured = (ChessSquare) (DEMOTED captured);
9598 p = PieceToNumber((ChessSquare)p);
9599 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9600 board[BOARD_HEIGHT-1-p][1]++;
9601 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9604 } else if (gameInfo.variant == VariantAtomic) {
9605 if (captured != EmptySquare) {
9607 for (y = toY-1; y <= toY+1; y++) {
9608 for (x = toX-1; x <= toX+1; x++) {
9609 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9610 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9611 board[y][x] = EmptySquare;
9615 board[toY][toX] = EmptySquare;
9618 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9619 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9621 if(promoChar == '+') {
9622 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9623 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9624 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9625 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9626 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9627 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9628 board[toY][toX] = newPiece;
9630 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9631 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9632 // [HGM] superchess: take promotion piece out of holdings
9633 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9634 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9635 if(!--board[k][BOARD_WIDTH-2])
9636 board[k][BOARD_WIDTH-1] = EmptySquare;
9638 if(!--board[BOARD_HEIGHT-1-k][1])
9639 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9645 /* Updates forwardMostMove */
9647 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9649 // forwardMostMove++; // [HGM] bare: moved downstream
9651 (void) CoordsToAlgebraic(boards[forwardMostMove],
9652 PosFlags(forwardMostMove),
9653 fromY, fromX, toY, toX, promoChar,
9654 parseList[forwardMostMove]);
9656 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9657 int timeLeft; static int lastLoadFlag=0; int king, piece;
9658 piece = boards[forwardMostMove][fromY][fromX];
9659 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9660 if(gameInfo.variant == VariantKnightmate)
9661 king += (int) WhiteUnicorn - (int) WhiteKing;
9662 if(forwardMostMove == 0) {
9663 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9664 fprintf(serverMoves, "%s;", UserName());
9665 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9666 fprintf(serverMoves, "%s;", second.tidy);
9667 fprintf(serverMoves, "%s;", first.tidy);
9668 if(gameMode == MachinePlaysWhite)
9669 fprintf(serverMoves, "%s;", UserName());
9670 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9671 fprintf(serverMoves, "%s;", second.tidy);
9672 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9673 lastLoadFlag = loadFlag;
9675 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9676 // print castling suffix
9677 if( toY == fromY && piece == king ) {
9679 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9681 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9684 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9685 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9686 boards[forwardMostMove][toY][toX] == EmptySquare
9687 && fromX != toX && fromY != toY)
9688 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9690 if(promoChar != NULLCHAR) {
9691 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9692 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9693 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9694 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9697 char buf[MOVE_LEN*2], *p; int len;
9698 fprintf(serverMoves, "/%d/%d",
9699 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9700 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9701 else timeLeft = blackTimeRemaining/1000;
9702 fprintf(serverMoves, "/%d", timeLeft);
9703 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9704 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9705 if(p = strchr(buf, '=')) *p = NULLCHAR;
9706 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9707 fprintf(serverMoves, "/%s", buf);
9709 fflush(serverMoves);
9712 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9713 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9716 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9717 if (commentList[forwardMostMove+1] != NULL) {
9718 free(commentList[forwardMostMove+1]);
9719 commentList[forwardMostMove+1] = NULL;
9721 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9722 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9723 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9724 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9725 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9726 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9727 adjustedClock = FALSE;
9728 gameInfo.result = GameUnfinished;
9729 if (gameInfo.resultDetails != NULL) {
9730 free(gameInfo.resultDetails);
9731 gameInfo.resultDetails = NULL;
9733 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9734 moveList[forwardMostMove - 1]);
9735 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9741 if(gameInfo.variant != VariantShogi)
9742 strcat(parseList[forwardMostMove - 1], "+");
9746 strcat(parseList[forwardMostMove - 1], "#");
9752 /* Updates currentMove if not pausing */
9754 ShowMove (int fromX, int fromY, int toX, int toY)
9756 int instant = (gameMode == PlayFromGameFile) ?
9757 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9758 if(appData.noGUI) return;
9759 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9761 if (forwardMostMove == currentMove + 1) {
9762 AnimateMove(boards[forwardMostMove - 1],
9763 fromX, fromY, toX, toY);
9766 currentMove = forwardMostMove;
9769 if (instant) return;
9771 DisplayMove(currentMove - 1);
9772 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9773 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9774 SetHighlights(fromX, fromY, toX, toY);
9777 DrawPosition(FALSE, boards[currentMove]);
9778 DisplayBothClocks();
9779 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9783 SendEgtPath (ChessProgramState *cps)
9784 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9785 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9787 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9790 char c, *q = name+1, *r, *s;
9792 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9793 while(*p && *p != ',') *q++ = *p++;
9795 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9796 strcmp(name, ",nalimov:") == 0 ) {
9797 // take nalimov path from the menu-changeable option first, if it is defined
9798 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9799 SendToProgram(buf,cps); // send egtbpath command for nalimov
9801 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9802 (s = StrStr(appData.egtFormats, name)) != NULL) {
9803 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9804 s = r = StrStr(s, ":") + 1; // beginning of path info
9805 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9806 c = *r; *r = 0; // temporarily null-terminate path info
9807 *--q = 0; // strip of trailig ':' from name
9808 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9810 SendToProgram(buf,cps); // send egtbpath command for this format
9812 if(*p == ',') p++; // read away comma to position for next format name
9817 InitChessProgram (ChessProgramState *cps, int setup)
9818 /* setup needed to setup FRC opening position */
9820 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9821 if (appData.noChessProgram) return;
9822 hintRequested = FALSE;
9823 bookRequested = FALSE;
9825 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9826 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9827 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9828 if(cps->memSize) { /* [HGM] memory */
9829 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9830 SendToProgram(buf, cps);
9832 SendEgtPath(cps); /* [HGM] EGT */
9833 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9834 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9835 SendToProgram(buf, cps);
9838 SendToProgram(cps->initString, cps);
9839 if (gameInfo.variant != VariantNormal &&
9840 gameInfo.variant != VariantLoadable
9841 /* [HGM] also send variant if board size non-standard */
9842 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9844 char *v = VariantName(gameInfo.variant);
9845 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9846 /* [HGM] in protocol 1 we have to assume all variants valid */
9847 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9848 DisplayFatalError(buf, 0, 1);
9852 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9853 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9854 if( gameInfo.variant == VariantXiangqi )
9855 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9856 if( gameInfo.variant == VariantShogi )
9857 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9858 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9859 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9860 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9861 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9862 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9863 if( gameInfo.variant == VariantCourier )
9864 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9865 if( gameInfo.variant == VariantSuper )
9866 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9867 if( gameInfo.variant == VariantGreat )
9868 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9869 if( gameInfo.variant == VariantSChess )
9870 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9871 if( gameInfo.variant == VariantGrand )
9872 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9875 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9876 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9877 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9878 if(StrStr(cps->variants, b) == NULL) {
9879 // specific sized variant not known, check if general sizing allowed
9880 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9881 if(StrStr(cps->variants, "boardsize") == NULL) {
9882 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9883 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9884 DisplayFatalError(buf, 0, 1);
9887 /* [HGM] here we really should compare with the maximum supported board size */
9890 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9891 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9892 SendToProgram(buf, cps);
9894 currentlyInitializedVariant = gameInfo.variant;
9896 /* [HGM] send opening position in FRC to first engine */
9898 SendToProgram("force\n", cps);
9900 /* engine is now in force mode! Set flag to wake it up after first move. */
9901 setboardSpoiledMachineBlack = 1;
9905 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9906 SendToProgram(buf, cps);
9908 cps->maybeThinking = FALSE;
9909 cps->offeredDraw = 0;
9910 if (!appData.icsActive) {
9911 SendTimeControl(cps, movesPerSession, timeControl,
9912 timeIncrement, appData.searchDepth,
9915 if (appData.showThinking
9916 // [HGM] thinking: four options require thinking output to be sent
9917 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9919 SendToProgram("post\n", cps);
9921 SendToProgram("hard\n", cps);
9922 if (!appData.ponderNextMove) {
9923 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9924 it without being sure what state we are in first. "hard"
9925 is not a toggle, so that one is OK.
9927 SendToProgram("easy\n", cps);
9930 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9931 SendToProgram(buf, cps);
9933 cps->initDone = TRUE;
9934 ClearEngineOutputPane(cps == &second);
9939 StartChessProgram (ChessProgramState *cps)
9944 if (appData.noChessProgram) return;
9945 cps->initDone = FALSE;
9947 if (strcmp(cps->host, "localhost") == 0) {
9948 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9949 } else if (*appData.remoteShell == NULLCHAR) {
9950 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9952 if (*appData.remoteUser == NULLCHAR) {
9953 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9956 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9957 cps->host, appData.remoteUser, cps->program);
9959 err = StartChildProcess(buf, "", &cps->pr);
9963 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9964 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9965 if(cps != &first) return;
9966 appData.noChessProgram = TRUE;
9969 // DisplayFatalError(buf, err, 1);
9970 // cps->pr = NoProc;
9975 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9976 if (cps->protocolVersion > 1) {
9977 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9978 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9979 cps->comboCnt = 0; // and values of combo boxes
9980 SendToProgram(buf, cps);
9982 SendToProgram("xboard\n", cps);
9987 TwoMachinesEventIfReady P((void))
9989 static int curMess = 0;
9990 if (first.lastPing != first.lastPong) {
9991 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9992 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9995 if (second.lastPing != second.lastPong) {
9996 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9997 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10000 DisplayMessage("", ""); curMess = 0;
10002 TwoMachinesEvent();
10006 MakeName (char *template)
10010 static char buf[MSG_SIZ];
10014 clock = time((time_t *)NULL);
10015 tm = localtime(&clock);
10017 while(*p++ = *template++) if(p[-1] == '%') {
10018 switch(*template++) {
10019 case 0: *p = 0; return buf;
10020 case 'Y': i = tm->tm_year+1900; break;
10021 case 'y': i = tm->tm_year-100; break;
10022 case 'M': i = tm->tm_mon+1; break;
10023 case 'd': i = tm->tm_mday; break;
10024 case 'h': i = tm->tm_hour; break;
10025 case 'm': i = tm->tm_min; break;
10026 case 's': i = tm->tm_sec; break;
10029 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10035 CountPlayers (char *p)
10038 while(p = strchr(p, '\n')) p++, n++; // count participants
10043 WriteTourneyFile (char *results, FILE *f)
10044 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10045 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10046 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10047 // create a file with tournament description
10048 fprintf(f, "-participants {%s}\n", appData.participants);
10049 fprintf(f, "-seedBase %d\n", appData.seedBase);
10050 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10051 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10052 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10053 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10054 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10055 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10056 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10057 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10058 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10059 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10060 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10061 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10063 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10065 fprintf(f, "-mps %d\n", appData.movesPerSession);
10066 fprintf(f, "-tc %s\n", appData.timeControl);
10067 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10069 fprintf(f, "-results \"%s\"\n", results);
10074 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10077 Substitute (char *participants, int expunge)
10079 int i, changed, changes=0, nPlayers=0;
10080 char *p, *q, *r, buf[MSG_SIZ];
10081 if(participants == NULL) return;
10082 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10083 r = p = participants; q = appData.participants;
10084 while(*p && *p == *q) {
10085 if(*p == '\n') r = p+1, nPlayers++;
10088 if(*p) { // difference
10089 while(*p && *p++ != '\n');
10090 while(*q && *q++ != '\n');
10091 changed = nPlayers;
10092 changes = 1 + (strcmp(p, q) != 0);
10094 if(changes == 1) { // a single engine mnemonic was changed
10095 q = r; while(*q) nPlayers += (*q++ == '\n');
10096 p = buf; while(*r && (*p = *r++) != '\n') p++;
10098 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10099 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10100 if(mnemonic[i]) { // The substitute is valid
10102 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10103 flock(fileno(f), LOCK_EX);
10104 ParseArgsFromFile(f);
10105 fseek(f, 0, SEEK_SET);
10106 FREE(appData.participants); appData.participants = participants;
10107 if(expunge) { // erase results of replaced engine
10108 int len = strlen(appData.results), w, b, dummy;
10109 for(i=0; i<len; i++) {
10110 Pairing(i, nPlayers, &w, &b, &dummy);
10111 if((w == changed || b == changed) && appData.results[i] == '*') {
10112 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10117 for(i=0; i<len; i++) {
10118 Pairing(i, nPlayers, &w, &b, &dummy);
10119 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10122 WriteTourneyFile(appData.results, f);
10123 fclose(f); // release lock
10126 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10128 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10129 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10130 free(participants);
10135 CheckPlayers (char *participants)
10138 char buf[MSG_SIZ], *p;
10139 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10140 while(p = strchr(participants, '\n')) {
10142 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10144 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10146 DisplayError(buf, 0);
10150 participants = p + 1;
10156 CreateTourney (char *name)
10159 if(matchMode && strcmp(name, appData.tourneyFile)) {
10160 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10162 if(name[0] == NULLCHAR) {
10163 if(appData.participants[0])
10164 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10167 f = fopen(name, "r");
10168 if(f) { // file exists
10169 ASSIGN(appData.tourneyFile, name);
10170 ParseArgsFromFile(f); // parse it
10172 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10173 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10174 DisplayError(_("Not enough participants"), 0);
10177 if(CheckPlayers(appData.participants)) return 0;
10178 ASSIGN(appData.tourneyFile, name);
10179 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10180 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10183 appData.noChessProgram = FALSE;
10184 appData.clockMode = TRUE;
10190 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10192 char buf[MSG_SIZ], *p, *q;
10193 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10194 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10195 skip = !all && group[0]; // if group requested, we start in skip mode
10196 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10197 p = names; q = buf; header = 0;
10198 while(*p && *p != '\n') *q++ = *p++;
10200 if(*p == '\n') p++;
10201 if(buf[0] == '#') {
10202 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10203 depth++; // we must be entering a new group
10204 if(all) continue; // suppress printing group headers when complete list requested
10206 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10208 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10209 if(engineList[i]) free(engineList[i]);
10210 engineList[i] = strdup(buf);
10211 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10212 if(engineMnemonic[i]) free(engineMnemonic[i]);
10213 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10215 sscanf(q + 8, "%s", buf + strlen(buf));
10218 engineMnemonic[i] = strdup(buf);
10221 engineList[i] = engineMnemonic[i] = NULL;
10225 // following implemented as macro to avoid type limitations
10226 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10229 SwapEngines (int n)
10230 { // swap settings for first engine and other engine (so far only some selected options)
10235 SWAP(chessProgram, p)
10237 SWAP(hasOwnBookUCI, h)
10238 SWAP(protocolVersion, h)
10240 SWAP(scoreIsAbsolute, h)
10245 SWAP(engOptions, p)
10246 SWAP(engInitString, p)
10247 SWAP(computerString, p)
10249 SWAP(fenOverride, p)
10251 SWAP(accumulateTC, h)
10256 GetEngineLine (char *s, int n)
10260 extern char *icsNames;
10261 if(!s || !*s) return 0;
10262 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10263 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10264 if(!mnemonic[i]) return 0;
10265 if(n == 11) return 1; // just testing if there was a match
10266 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10267 if(n == 1) SwapEngines(n);
10268 ParseArgsFromString(buf);
10269 if(n == 1) SwapEngines(n);
10270 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10271 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10272 ParseArgsFromString(buf);
10278 SetPlayer (int player, char *p)
10279 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10281 char buf[MSG_SIZ], *engineName;
10282 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10283 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10284 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10286 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10287 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10288 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10289 ParseArgsFromString(buf);
10295 char *recentEngines;
10298 RecentEngineEvent (int nr)
10301 // SwapEngines(1); // bump first to second
10302 // ReplaceEngine(&second, 1); // and load it there
10303 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10304 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10305 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10306 ReplaceEngine(&first, 0);
10307 FloatToFront(&appData.recentEngineList, command[n]);
10312 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10313 { // determine players from game number
10314 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10316 if(appData.tourneyType == 0) {
10317 roundsPerCycle = (nPlayers - 1) | 1;
10318 pairingsPerRound = nPlayers / 2;
10319 } else if(appData.tourneyType > 0) {
10320 roundsPerCycle = nPlayers - appData.tourneyType;
10321 pairingsPerRound = appData.tourneyType;
10323 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10324 gamesPerCycle = gamesPerRound * roundsPerCycle;
10325 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10326 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10327 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10328 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10329 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10330 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10332 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10333 if(appData.roundSync) *syncInterval = gamesPerRound;
10335 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10337 if(appData.tourneyType == 0) {
10338 if(curPairing == (nPlayers-1)/2 ) {
10339 *whitePlayer = curRound;
10340 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10342 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10343 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10344 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10345 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10347 } else if(appData.tourneyType > 1) {
10348 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10349 *whitePlayer = curRound + appData.tourneyType;
10350 } else if(appData.tourneyType > 0) {
10351 *whitePlayer = curPairing;
10352 *blackPlayer = curRound + appData.tourneyType;
10355 // take care of white/black alternation per round.
10356 // For cycles and games this is already taken care of by default, derived from matchGame!
10357 return curRound & 1;
10361 NextTourneyGame (int nr, int *swapColors)
10362 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10364 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10366 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10367 tf = fopen(appData.tourneyFile, "r");
10368 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10369 ParseArgsFromFile(tf); fclose(tf);
10370 InitTimeControls(); // TC might be altered from tourney file
10372 nPlayers = CountPlayers(appData.participants); // count participants
10373 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10374 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10377 p = q = appData.results;
10378 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10379 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10380 DisplayMessage(_("Waiting for other game(s)"),"");
10381 waitingForGame = TRUE;
10382 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10385 waitingForGame = FALSE;
10388 if(appData.tourneyType < 0) {
10389 if(nr>=0 && !pairingReceived) {
10391 if(pairing.pr == NoProc) {
10392 if(!appData.pairingEngine[0]) {
10393 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10396 StartChessProgram(&pairing); // starts the pairing engine
10398 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10399 SendToProgram(buf, &pairing);
10400 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10401 SendToProgram(buf, &pairing);
10402 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10404 pairingReceived = 0; // ... so we continue here
10406 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10407 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10408 matchGame = 1; roundNr = nr / syncInterval + 1;
10411 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10413 // redefine engines, engine dir, etc.
10414 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10415 if(first.pr == NoProc) {
10416 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10417 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10419 if(second.pr == NoProc) {
10421 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10422 SwapEngines(1); // and make that valid for second engine by swapping
10423 InitEngine(&second, 1);
10425 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10426 UpdateLogos(FALSE); // leave display to ModeHiglight()
10432 { // performs game initialization that does not invoke engines, and then tries to start the game
10433 int res, firstWhite, swapColors = 0;
10434 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10435 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
10437 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10438 if(strcmp(buf, currentDebugFile)) { // name has changed
10439 FILE *f = fopen(buf, "w");
10440 if(f) { // if opening the new file failed, just keep using the old one
10441 ASSIGN(currentDebugFile, buf);
10445 if(appData.serverFileName) {
10446 if(serverFP) fclose(serverFP);
10447 serverFP = fopen(appData.serverFileName, "w");
10448 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10449 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10453 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10454 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10455 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10456 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10457 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10458 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10459 Reset(FALSE, first.pr != NoProc);
10460 res = LoadGameOrPosition(matchGame); // setup game
10461 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10462 if(!res) return; // abort when bad game/pos file
10463 TwoMachinesEvent();
10467 UserAdjudicationEvent (int result)
10469 ChessMove gameResult = GameIsDrawn;
10472 gameResult = WhiteWins;
10474 else if( result < 0 ) {
10475 gameResult = BlackWins;
10478 if( gameMode == TwoMachinesPlay ) {
10479 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10484 // [HGM] save: calculate checksum of game to make games easily identifiable
10486 StringCheckSum (char *s)
10489 if(s==NULL) return 0;
10490 while(*s) i = i*259 + *s++;
10498 for(i=backwardMostMove; i<forwardMostMove; i++) {
10499 sum += pvInfoList[i].depth;
10500 sum += StringCheckSum(parseList[i]);
10501 sum += StringCheckSum(commentList[i]);
10504 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10505 return sum + StringCheckSum(commentList[i]);
10506 } // end of save patch
10509 GameEnds (ChessMove result, char *resultDetails, int whosays)
10511 GameMode nextGameMode;
10513 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10515 if(endingGame) return; /* [HGM] crash: forbid recursion */
10517 if(twoBoards) { // [HGM] dual: switch back to one board
10518 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10519 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10521 if (appData.debugMode) {
10522 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10523 result, resultDetails ? resultDetails : "(null)", whosays);
10526 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10528 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10530 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10531 /* If we are playing on ICS, the server decides when the
10532 game is over, but the engine can offer to draw, claim
10536 if (appData.zippyPlay && first.initDone) {
10537 if (result == GameIsDrawn) {
10538 /* In case draw still needs to be claimed */
10539 SendToICS(ics_prefix);
10540 SendToICS("draw\n");
10541 } else if (StrCaseStr(resultDetails, "resign")) {
10542 SendToICS(ics_prefix);
10543 SendToICS("resign\n");
10547 endingGame = 0; /* [HGM] crash */
10551 /* If we're loading the game from a file, stop */
10552 if (whosays == GE_FILE) {
10553 (void) StopLoadGameTimer();
10557 /* Cancel draw offers */
10558 first.offeredDraw = second.offeredDraw = 0;
10560 /* If this is an ICS game, only ICS can really say it's done;
10561 if not, anyone can. */
10562 isIcsGame = (gameMode == IcsPlayingWhite ||
10563 gameMode == IcsPlayingBlack ||
10564 gameMode == IcsObserving ||
10565 gameMode == IcsExamining);
10567 if (!isIcsGame || whosays == GE_ICS) {
10568 /* OK -- not an ICS game, or ICS said it was done */
10570 if (!isIcsGame && !appData.noChessProgram)
10571 SetUserThinkingEnables();
10573 /* [HGM] if a machine claims the game end we verify this claim */
10574 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10575 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10577 ChessMove trueResult = (ChessMove) -1;
10579 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10580 first.twoMachinesColor[0] :
10581 second.twoMachinesColor[0] ;
10583 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10584 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10585 /* [HGM] verify: engine mate claims accepted if they were flagged */
10586 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10588 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10589 /* [HGM] verify: engine mate claims accepted if they were flagged */
10590 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10592 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10593 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10596 // now verify win claims, but not in drop games, as we don't understand those yet
10597 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10598 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10599 (result == WhiteWins && claimer == 'w' ||
10600 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10601 if (appData.debugMode) {
10602 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10603 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10605 if(result != trueResult) {
10606 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10607 result = claimer == 'w' ? BlackWins : WhiteWins;
10608 resultDetails = buf;
10611 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10612 && (forwardMostMove <= backwardMostMove ||
10613 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10614 (claimer=='b')==(forwardMostMove&1))
10616 /* [HGM] verify: draws that were not flagged are false claims */
10617 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10618 result = claimer == 'w' ? BlackWins : WhiteWins;
10619 resultDetails = buf;
10621 /* (Claiming a loss is accepted no questions asked!) */
10623 /* [HGM] bare: don't allow bare King to win */
10624 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10625 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10626 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10627 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10628 && result != GameIsDrawn)
10629 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10630 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10631 int p = (signed char)boards[forwardMostMove][i][j] - color;
10632 if(p >= 0 && p <= (int)WhiteKing) k++;
10634 if (appData.debugMode) {
10635 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10636 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10639 result = GameIsDrawn;
10640 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10641 resultDetails = buf;
10647 if(serverMoves != NULL && !loadFlag) { char c = '=';
10648 if(result==WhiteWins) c = '+';
10649 if(result==BlackWins) c = '-';
10650 if(resultDetails != NULL)
10651 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10653 if (resultDetails != NULL) {
10654 gameInfo.result = result;
10655 gameInfo.resultDetails = StrSave(resultDetails);
10657 /* display last move only if game was not loaded from file */
10658 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10659 DisplayMove(currentMove - 1);
10661 if (forwardMostMove != 0) {
10662 if (gameMode != PlayFromGameFile && gameMode != EditGame
10663 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10665 if (*appData.saveGameFile != NULLCHAR) {
10666 SaveGameToFile(appData.saveGameFile, TRUE);
10667 } else if (appData.autoSaveGames) {
10670 if (*appData.savePositionFile != NULLCHAR) {
10671 SavePositionToFile(appData.savePositionFile);
10673 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10677 /* Tell program how game ended in case it is learning */
10678 /* [HGM] Moved this to after saving the PGN, just in case */
10679 /* engine died and we got here through time loss. In that */
10680 /* case we will get a fatal error writing the pipe, which */
10681 /* would otherwise lose us the PGN. */
10682 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10683 /* output during GameEnds should never be fatal anymore */
10684 if (gameMode == MachinePlaysWhite ||
10685 gameMode == MachinePlaysBlack ||
10686 gameMode == TwoMachinesPlay ||
10687 gameMode == IcsPlayingWhite ||
10688 gameMode == IcsPlayingBlack ||
10689 gameMode == BeginningOfGame) {
10691 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10693 if (first.pr != NoProc) {
10694 SendToProgram(buf, &first);
10696 if (second.pr != NoProc &&
10697 gameMode == TwoMachinesPlay) {
10698 SendToProgram(buf, &second);
10703 if (appData.icsActive) {
10704 if (appData.quietPlay &&
10705 (gameMode == IcsPlayingWhite ||
10706 gameMode == IcsPlayingBlack)) {
10707 SendToICS(ics_prefix);
10708 SendToICS("set shout 1\n");
10710 nextGameMode = IcsIdle;
10711 ics_user_moved = FALSE;
10712 /* clean up premove. It's ugly when the game has ended and the
10713 * premove highlights are still on the board.
10716 gotPremove = FALSE;
10717 ClearPremoveHighlights();
10718 DrawPosition(FALSE, boards[currentMove]);
10720 if (whosays == GE_ICS) {
10723 if (gameMode == IcsPlayingWhite)
10725 else if(gameMode == IcsPlayingBlack)
10726 PlayIcsLossSound();
10729 if (gameMode == IcsPlayingBlack)
10731 else if(gameMode == IcsPlayingWhite)
10732 PlayIcsLossSound();
10735 PlayIcsDrawSound();
10738 PlayIcsUnfinishedSound();
10741 } else if (gameMode == EditGame ||
10742 gameMode == PlayFromGameFile ||
10743 gameMode == AnalyzeMode ||
10744 gameMode == AnalyzeFile) {
10745 nextGameMode = gameMode;
10747 nextGameMode = EndOfGame;
10752 nextGameMode = gameMode;
10755 if (appData.noChessProgram) {
10756 gameMode = nextGameMode;
10758 endingGame = 0; /* [HGM] crash */
10763 /* Put first chess program into idle state */
10764 if (first.pr != NoProc &&
10765 (gameMode == MachinePlaysWhite ||
10766 gameMode == MachinePlaysBlack ||
10767 gameMode == TwoMachinesPlay ||
10768 gameMode == IcsPlayingWhite ||
10769 gameMode == IcsPlayingBlack ||
10770 gameMode == BeginningOfGame)) {
10771 SendToProgram("force\n", &first);
10772 if (first.usePing) {
10774 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10775 SendToProgram(buf, &first);
10778 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10779 /* Kill off first chess program */
10780 if (first.isr != NULL)
10781 RemoveInputSource(first.isr);
10784 if (first.pr != NoProc) {
10786 DoSleep( appData.delayBeforeQuit );
10787 SendToProgram("quit\n", &first);
10788 DoSleep( appData.delayAfterQuit );
10789 DestroyChildProcess(first.pr, first.useSigterm);
10793 if (second.reuse) {
10794 /* Put second chess program into idle state */
10795 if (second.pr != NoProc &&
10796 gameMode == TwoMachinesPlay) {
10797 SendToProgram("force\n", &second);
10798 if (second.usePing) {
10800 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10801 SendToProgram(buf, &second);
10804 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10805 /* Kill off second chess program */
10806 if (second.isr != NULL)
10807 RemoveInputSource(second.isr);
10810 if (second.pr != NoProc) {
10811 DoSleep( appData.delayBeforeQuit );
10812 SendToProgram("quit\n", &second);
10813 DoSleep( appData.delayAfterQuit );
10814 DestroyChildProcess(second.pr, second.useSigterm);
10816 second.pr = NoProc;
10819 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10820 char resChar = '=';
10824 if (first.twoMachinesColor[0] == 'w') {
10827 second.matchWins++;
10832 if (first.twoMachinesColor[0] == 'b') {
10835 second.matchWins++;
10838 case GameUnfinished:
10844 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10845 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10846 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10847 ReserveGame(nextGame, resChar); // sets nextGame
10848 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10849 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10850 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10852 if (nextGame <= appData.matchGames && !abortMatch) {
10853 gameMode = nextGameMode;
10854 matchGame = nextGame; // this will be overruled in tourney mode!
10855 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10856 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10857 endingGame = 0; /* [HGM] crash */
10860 gameMode = nextGameMode;
10861 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10862 first.tidy, second.tidy,
10863 first.matchWins, second.matchWins,
10864 appData.matchGames - (first.matchWins + second.matchWins));
10865 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10866 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10867 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10868 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10869 first.twoMachinesColor = "black\n";
10870 second.twoMachinesColor = "white\n";
10872 first.twoMachinesColor = "white\n";
10873 second.twoMachinesColor = "black\n";
10877 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10878 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10880 gameMode = nextGameMode;
10882 endingGame = 0; /* [HGM] crash */
10883 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10884 if(matchMode == TRUE) { // match through command line: exit with or without popup
10886 ToNrEvent(forwardMostMove);
10887 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10889 } else DisplayFatalError(buf, 0, 0);
10890 } else { // match through menu; just stop, with or without popup
10891 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10894 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10895 } else DisplayNote(buf);
10897 if(ranking) free(ranking);
10901 /* Assumes program was just initialized (initString sent).
10902 Leaves program in force mode. */
10904 FeedMovesToProgram (ChessProgramState *cps, int upto)
10908 if (appData.debugMode)
10909 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10910 startedFromSetupPosition ? "position and " : "",
10911 backwardMostMove, upto, cps->which);
10912 if(currentlyInitializedVariant != gameInfo.variant) {
10914 // [HGM] variantswitch: make engine aware of new variant
10915 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10916 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10917 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10918 SendToProgram(buf, cps);
10919 currentlyInitializedVariant = gameInfo.variant;
10921 SendToProgram("force\n", cps);
10922 if (startedFromSetupPosition) {
10923 SendBoard(cps, backwardMostMove);
10924 if (appData.debugMode) {
10925 fprintf(debugFP, "feedMoves\n");
10928 for (i = backwardMostMove; i < upto; i++) {
10929 SendMoveToProgram(i, cps);
10935 ResurrectChessProgram ()
10937 /* The chess program may have exited.
10938 If so, restart it and feed it all the moves made so far. */
10939 static int doInit = 0;
10941 if (appData.noChessProgram) return 1;
10943 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10944 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10945 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10946 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10948 if (first.pr != NoProc) return 1;
10949 StartChessProgram(&first);
10951 InitChessProgram(&first, FALSE);
10952 FeedMovesToProgram(&first, currentMove);
10954 if (!first.sendTime) {
10955 /* can't tell gnuchess what its clock should read,
10956 so we bow to its notion. */
10958 timeRemaining[0][currentMove] = whiteTimeRemaining;
10959 timeRemaining[1][currentMove] = blackTimeRemaining;
10962 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10963 appData.icsEngineAnalyze) && first.analysisSupport) {
10964 SendToProgram("analyze\n", &first);
10965 first.analyzing = TRUE;
10971 * Button procedures
10974 Reset (int redraw, int init)
10978 if (appData.debugMode) {
10979 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10980 redraw, init, gameMode);
10982 CleanupTail(); // [HGM] vari: delete any stored variations
10983 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10984 pausing = pauseExamInvalid = FALSE;
10985 startedFromSetupPosition = blackPlaysFirst = FALSE;
10987 whiteFlag = blackFlag = FALSE;
10988 userOfferedDraw = FALSE;
10989 hintRequested = bookRequested = FALSE;
10990 first.maybeThinking = FALSE;
10991 second.maybeThinking = FALSE;
10992 first.bookSuspend = FALSE; // [HGM] book
10993 second.bookSuspend = FALSE;
10994 thinkOutput[0] = NULLCHAR;
10995 lastHint[0] = NULLCHAR;
10996 ClearGameInfo(&gameInfo);
10997 gameInfo.variant = StringToVariant(appData.variant);
10998 ics_user_moved = ics_clock_paused = FALSE;
10999 ics_getting_history = H_FALSE;
11001 white_holding[0] = black_holding[0] = NULLCHAR;
11002 ClearProgramStats();
11003 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11007 flipView = appData.flipView;
11008 ClearPremoveHighlights();
11009 gotPremove = FALSE;
11010 alarmSounded = FALSE;
11012 GameEnds(EndOfFile, NULL, GE_PLAYER);
11013 if(appData.serverMovesName != NULL) {
11014 /* [HGM] prepare to make moves file for broadcasting */
11015 clock_t t = clock();
11016 if(serverMoves != NULL) fclose(serverMoves);
11017 serverMoves = fopen(appData.serverMovesName, "r");
11018 if(serverMoves != NULL) {
11019 fclose(serverMoves);
11020 /* delay 15 sec before overwriting, so all clients can see end */
11021 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11023 serverMoves = fopen(appData.serverMovesName, "w");
11027 gameMode = BeginningOfGame;
11029 if(appData.icsActive) gameInfo.variant = VariantNormal;
11030 currentMove = forwardMostMove = backwardMostMove = 0;
11031 MarkTargetSquares(1);
11032 InitPosition(redraw);
11033 for (i = 0; i < MAX_MOVES; i++) {
11034 if (commentList[i] != NULL) {
11035 free(commentList[i]);
11036 commentList[i] = NULL;
11040 timeRemaining[0][0] = whiteTimeRemaining;
11041 timeRemaining[1][0] = blackTimeRemaining;
11043 if (first.pr == NoProc) {
11044 StartChessProgram(&first);
11047 InitChessProgram(&first, startedFromSetupPosition);
11050 DisplayMessage("", "");
11051 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11052 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11053 ClearMap(); // [HGM] exclude: invalidate map
11057 AutoPlayGameLoop ()
11060 if (!AutoPlayOneMove())
11062 if (matchMode || appData.timeDelay == 0)
11064 if (appData.timeDelay < 0)
11066 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11074 ReloadGame(1); // next game
11080 int fromX, fromY, toX, toY;
11082 if (appData.debugMode) {
11083 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11086 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11089 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11090 pvInfoList[currentMove].depth = programStats.depth;
11091 pvInfoList[currentMove].score = programStats.score;
11092 pvInfoList[currentMove].time = 0;
11093 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11096 if (currentMove >= forwardMostMove) {
11097 if(gameMode == AnalyzeFile) {
11098 if(appData.loadGameIndex == -1) {
11099 GameEnds(EndOfFile, NULL, GE_FILE);
11100 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11102 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11105 // gameMode = EndOfGame;
11106 // ModeHighlight();
11108 /* [AS] Clear current move marker at the end of a game */
11109 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11114 toX = moveList[currentMove][2] - AAA;
11115 toY = moveList[currentMove][3] - ONE;
11117 if (moveList[currentMove][1] == '@') {
11118 if (appData.highlightLastMove) {
11119 SetHighlights(-1, -1, toX, toY);
11122 fromX = moveList[currentMove][0] - AAA;
11123 fromY = moveList[currentMove][1] - ONE;
11125 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11127 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11129 if (appData.highlightLastMove) {
11130 SetHighlights(fromX, fromY, toX, toY);
11133 DisplayMove(currentMove);
11134 SendMoveToProgram(currentMove++, &first);
11135 DisplayBothClocks();
11136 DrawPosition(FALSE, boards[currentMove]);
11137 // [HGM] PV info: always display, routine tests if empty
11138 DisplayComment(currentMove - 1, commentList[currentMove]);
11144 LoadGameOneMove (ChessMove readAhead)
11146 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11147 char promoChar = NULLCHAR;
11148 ChessMove moveType;
11149 char move[MSG_SIZ];
11152 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11153 gameMode != AnalyzeMode && gameMode != Training) {
11158 yyboardindex = forwardMostMove;
11159 if (readAhead != EndOfFile) {
11160 moveType = readAhead;
11162 if (gameFileFP == NULL)
11164 moveType = (ChessMove) Myylex();
11168 switch (moveType) {
11170 if (appData.debugMode)
11171 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11174 /* append the comment but don't display it */
11175 AppendComment(currentMove, p, FALSE);
11178 case WhiteCapturesEnPassant:
11179 case BlackCapturesEnPassant:
11180 case WhitePromotion:
11181 case BlackPromotion:
11182 case WhiteNonPromotion:
11183 case BlackNonPromotion:
11185 case WhiteKingSideCastle:
11186 case WhiteQueenSideCastle:
11187 case BlackKingSideCastle:
11188 case BlackQueenSideCastle:
11189 case WhiteKingSideCastleWild:
11190 case WhiteQueenSideCastleWild:
11191 case BlackKingSideCastleWild:
11192 case BlackQueenSideCastleWild:
11194 case WhiteHSideCastleFR:
11195 case WhiteASideCastleFR:
11196 case BlackHSideCastleFR:
11197 case BlackASideCastleFR:
11199 if (appData.debugMode)
11200 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11201 fromX = currentMoveString[0] - AAA;
11202 fromY = currentMoveString[1] - ONE;
11203 toX = currentMoveString[2] - AAA;
11204 toY = currentMoveString[3] - ONE;
11205 promoChar = currentMoveString[4];
11210 if (appData.debugMode)
11211 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11212 fromX = moveType == WhiteDrop ?
11213 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11214 (int) CharToPiece(ToLower(currentMoveString[0]));
11216 toX = currentMoveString[2] - AAA;
11217 toY = currentMoveString[3] - ONE;
11223 case GameUnfinished:
11224 if (appData.debugMode)
11225 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11226 p = strchr(yy_text, '{');
11227 if (p == NULL) p = strchr(yy_text, '(');
11230 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11232 q = strchr(p, *p == '{' ? '}' : ')');
11233 if (q != NULL) *q = NULLCHAR;
11236 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11237 GameEnds(moveType, p, GE_FILE);
11239 if (cmailMsgLoaded) {
11241 flipView = WhiteOnMove(currentMove);
11242 if (moveType == GameUnfinished) flipView = !flipView;
11243 if (appData.debugMode)
11244 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11249 if (appData.debugMode)
11250 fprintf(debugFP, "Parser hit end of file\n");
11251 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11257 if (WhiteOnMove(currentMove)) {
11258 GameEnds(BlackWins, "Black mates", GE_FILE);
11260 GameEnds(WhiteWins, "White mates", GE_FILE);
11264 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11270 case MoveNumberOne:
11271 if (lastLoadGameStart == GNUChessGame) {
11272 /* GNUChessGames have numbers, but they aren't move numbers */
11273 if (appData.debugMode)
11274 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11275 yy_text, (int) moveType);
11276 return LoadGameOneMove(EndOfFile); /* tail recursion */
11278 /* else fall thru */
11283 /* Reached start of next game in file */
11284 if (appData.debugMode)
11285 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11286 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11292 if (WhiteOnMove(currentMove)) {
11293 GameEnds(BlackWins, "Black mates", GE_FILE);
11295 GameEnds(WhiteWins, "White mates", GE_FILE);
11299 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11305 case PositionDiagram: /* should not happen; ignore */
11306 case ElapsedTime: /* ignore */
11307 case NAG: /* ignore */
11308 if (appData.debugMode)
11309 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11310 yy_text, (int) moveType);
11311 return LoadGameOneMove(EndOfFile); /* tail recursion */
11314 if (appData.testLegality) {
11315 if (appData.debugMode)
11316 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11317 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11318 (forwardMostMove / 2) + 1,
11319 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11320 DisplayError(move, 0);
11323 if (appData.debugMode)
11324 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11325 yy_text, currentMoveString);
11326 fromX = currentMoveString[0] - AAA;
11327 fromY = currentMoveString[1] - ONE;
11328 toX = currentMoveString[2] - AAA;
11329 toY = currentMoveString[3] - ONE;
11330 promoChar = currentMoveString[4];
11334 case AmbiguousMove:
11335 if (appData.debugMode)
11336 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11337 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11338 (forwardMostMove / 2) + 1,
11339 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11340 DisplayError(move, 0);
11345 case ImpossibleMove:
11346 if (appData.debugMode)
11347 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11348 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11349 (forwardMostMove / 2) + 1,
11350 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11351 DisplayError(move, 0);
11357 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11358 DrawPosition(FALSE, boards[currentMove]);
11359 DisplayBothClocks();
11360 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11361 DisplayComment(currentMove - 1, commentList[currentMove]);
11363 (void) StopLoadGameTimer();
11365 cmailOldMove = forwardMostMove;
11368 /* currentMoveString is set as a side-effect of yylex */
11370 thinkOutput[0] = NULLCHAR;
11371 MakeMove(fromX, fromY, toX, toY, promoChar);
11372 currentMove = forwardMostMove;
11377 /* Load the nth game from the given file */
11379 LoadGameFromFile (char *filename, int n, char *title, int useList)
11384 if (strcmp(filename, "-") == 0) {
11388 f = fopen(filename, "rb");
11390 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11391 DisplayError(buf, errno);
11395 if (fseek(f, 0, 0) == -1) {
11396 /* f is not seekable; probably a pipe */
11399 if (useList && n == 0) {
11400 int error = GameListBuild(f);
11402 DisplayError(_("Cannot build game list"), error);
11403 } else if (!ListEmpty(&gameList) &&
11404 ((ListGame *) gameList.tailPred)->number > 1) {
11405 GameListPopUp(f, title);
11412 return LoadGame(f, n, title, FALSE);
11417 MakeRegisteredMove ()
11419 int fromX, fromY, toX, toY;
11421 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11422 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11425 if (appData.debugMode)
11426 fprintf(debugFP, "Restoring %s for game %d\n",
11427 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11429 thinkOutput[0] = NULLCHAR;
11430 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11431 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11432 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11433 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11434 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11435 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11436 MakeMove(fromX, fromY, toX, toY, promoChar);
11437 ShowMove(fromX, fromY, toX, toY);
11439 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11446 if (WhiteOnMove(currentMove)) {
11447 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11449 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11454 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11461 if (WhiteOnMove(currentMove)) {
11462 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11464 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11469 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11480 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11482 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11486 if (gameNumber > nCmailGames) {
11487 DisplayError(_("No more games in this message"), 0);
11490 if (f == lastLoadGameFP) {
11491 int offset = gameNumber - lastLoadGameNumber;
11493 cmailMsg[0] = NULLCHAR;
11494 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11495 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11496 nCmailMovesRegistered--;
11498 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11499 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11500 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11503 if (! RegisterMove()) return FALSE;
11507 retVal = LoadGame(f, gameNumber, title, useList);
11509 /* Make move registered during previous look at this game, if any */
11510 MakeRegisteredMove();
11512 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11513 commentList[currentMove]
11514 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11515 DisplayComment(currentMove - 1, commentList[currentMove]);
11521 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11523 ReloadGame (int offset)
11525 int gameNumber = lastLoadGameNumber + offset;
11526 if (lastLoadGameFP == NULL) {
11527 DisplayError(_("No game has been loaded yet"), 0);
11530 if (gameNumber <= 0) {
11531 DisplayError(_("Can't back up any further"), 0);
11534 if (cmailMsgLoaded) {
11535 return CmailLoadGame(lastLoadGameFP, gameNumber,
11536 lastLoadGameTitle, lastLoadGameUseList);
11538 return LoadGame(lastLoadGameFP, gameNumber,
11539 lastLoadGameTitle, lastLoadGameUseList);
11543 int keys[EmptySquare+1];
11546 PositionMatches (Board b1, Board b2)
11549 switch(appData.searchMode) {
11550 case 1: return CompareWithRights(b1, b2);
11552 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11553 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11557 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11558 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11559 sum += keys[b1[r][f]] - keys[b2[r][f]];
11563 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11564 sum += keys[b1[r][f]] - keys[b2[r][f]];
11576 int pieceList[256], quickBoard[256];
11577 ChessSquare pieceType[256] = { EmptySquare };
11578 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11579 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11580 int soughtTotal, turn;
11581 Boolean epOK, flipSearch;
11584 unsigned char piece, to;
11587 #define DSIZE (250000)
11589 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11590 Move *moveDatabase = initialSpace;
11591 unsigned int movePtr, dataSize = DSIZE;
11594 MakePieceList (Board board, int *counts)
11596 int r, f, n=Q_PROMO, total=0;
11597 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11598 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11599 int sq = f + (r<<4);
11600 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11601 quickBoard[sq] = ++n;
11603 pieceType[n] = board[r][f];
11604 counts[board[r][f]]++;
11605 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11606 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11610 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11615 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11617 int sq = fromX + (fromY<<4);
11618 int piece = quickBoard[sq];
11619 quickBoard[sq] = 0;
11620 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11621 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11622 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11623 moveDatabase[movePtr++].piece = Q_WCASTL;
11624 quickBoard[sq] = piece;
11625 piece = quickBoard[from]; quickBoard[from] = 0;
11626 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11628 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11629 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11630 moveDatabase[movePtr++].piece = Q_BCASTL;
11631 quickBoard[sq] = piece;
11632 piece = quickBoard[from]; quickBoard[from] = 0;
11633 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11635 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11636 quickBoard[(fromY<<4)+toX] = 0;
11637 moveDatabase[movePtr].piece = Q_EP;
11638 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11639 moveDatabase[movePtr].to = sq;
11641 if(promoPiece != pieceType[piece]) {
11642 moveDatabase[movePtr++].piece = Q_PROMO;
11643 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11645 moveDatabase[movePtr].piece = piece;
11646 quickBoard[sq] = piece;
11651 PackGame (Board board)
11653 Move *newSpace = NULL;
11654 moveDatabase[movePtr].piece = 0; // terminate previous game
11655 if(movePtr > dataSize) {
11656 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11657 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11658 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11661 Move *p = moveDatabase, *q = newSpace;
11662 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11663 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11664 moveDatabase = newSpace;
11665 } else { // calloc failed, we must be out of memory. Too bad...
11666 dataSize = 0; // prevent calloc events for all subsequent games
11667 return 0; // and signal this one isn't cached
11671 MakePieceList(board, counts);
11676 QuickCompare (Board board, int *minCounts, int *maxCounts)
11677 { // compare according to search mode
11679 switch(appData.searchMode)
11681 case 1: // exact position match
11682 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11683 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11684 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11687 case 2: // can have extra material on empty squares
11688 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11689 if(board[r][f] == EmptySquare) continue;
11690 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11693 case 3: // material with exact Pawn structure
11694 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11695 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11696 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11697 } // fall through to material comparison
11698 case 4: // exact material
11699 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11701 case 6: // material range with given imbalance
11702 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11703 // fall through to range comparison
11704 case 5: // material range
11705 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11711 QuickScan (Board board, Move *move)
11712 { // reconstruct game,and compare all positions in it
11713 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11715 int piece = move->piece;
11716 int to = move->to, from = pieceList[piece];
11717 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11718 if(!piece) return -1;
11719 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11720 piece = (++move)->piece;
11721 from = pieceList[piece];
11722 counts[pieceType[piece]]--;
11723 pieceType[piece] = (ChessSquare) move->to;
11724 counts[move->to]++;
11725 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11726 counts[pieceType[quickBoard[to]]]--;
11727 quickBoard[to] = 0; total--;
11730 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11731 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11732 from = pieceList[piece]; // so this must be King
11733 quickBoard[from] = 0;
11734 pieceList[piece] = to;
11735 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11736 quickBoard[from] = 0; // rook
11737 quickBoard[to] = piece;
11738 to = move->to; piece = move->piece;
11742 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11743 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11744 quickBoard[from] = 0;
11746 quickBoard[to] = piece;
11747 pieceList[piece] = to;
11749 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11750 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11751 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11752 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11754 static int lastCounts[EmptySquare+1];
11756 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11757 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11758 } else stretch = 0;
11759 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11768 flipSearch = FALSE;
11769 CopyBoard(soughtBoard, boards[currentMove]);
11770 soughtTotal = MakePieceList(soughtBoard, maxSought);
11771 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11772 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11773 CopyBoard(reverseBoard, boards[currentMove]);
11774 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11775 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11776 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11777 reverseBoard[r][f] = piece;
11779 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11780 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11781 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11782 || (boards[currentMove][CASTLING][2] == NoRights ||
11783 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11784 && (boards[currentMove][CASTLING][5] == NoRights ||
11785 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11788 CopyBoard(flipBoard, soughtBoard);
11789 CopyBoard(rotateBoard, reverseBoard);
11790 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11791 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11792 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11795 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11796 if(appData.searchMode >= 5) {
11797 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11798 MakePieceList(soughtBoard, minSought);
11799 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11801 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11802 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11805 GameInfo dummyInfo;
11806 static int creatingBook;
11809 GameContainsPosition (FILE *f, ListGame *lg)
11811 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11812 int fromX, fromY, toX, toY;
11814 static int initDone=FALSE;
11816 // weed out games based on numerical tag comparison
11817 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11818 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11819 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11820 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11822 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11825 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11826 else CopyBoard(boards[scratch], initialPosition); // default start position
11829 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11830 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11833 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11834 fseek(f, lg->offset, 0);
11837 yyboardindex = scratch;
11838 quickFlag = plyNr+1;
11843 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11849 if(plyNr) return -1; // after we have seen moves, this is for new game
11852 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11853 case ImpossibleMove:
11854 case WhiteWins: // game ends here with these four
11857 case GameUnfinished:
11861 if(appData.testLegality) return -1;
11862 case WhiteCapturesEnPassant:
11863 case BlackCapturesEnPassant:
11864 case WhitePromotion:
11865 case BlackPromotion:
11866 case WhiteNonPromotion:
11867 case BlackNonPromotion:
11869 case WhiteKingSideCastle:
11870 case WhiteQueenSideCastle:
11871 case BlackKingSideCastle:
11872 case BlackQueenSideCastle:
11873 case WhiteKingSideCastleWild:
11874 case WhiteQueenSideCastleWild:
11875 case BlackKingSideCastleWild:
11876 case BlackQueenSideCastleWild:
11877 case WhiteHSideCastleFR:
11878 case WhiteASideCastleFR:
11879 case BlackHSideCastleFR:
11880 case BlackASideCastleFR:
11881 fromX = currentMoveString[0] - AAA;
11882 fromY = currentMoveString[1] - ONE;
11883 toX = currentMoveString[2] - AAA;
11884 toY = currentMoveString[3] - ONE;
11885 promoChar = currentMoveString[4];
11889 fromX = next == WhiteDrop ?
11890 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11891 (int) CharToPiece(ToLower(currentMoveString[0]));
11893 toX = currentMoveString[2] - AAA;
11894 toY = currentMoveString[3] - ONE;
11898 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11900 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11901 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11902 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11903 if(appData.findMirror) {
11904 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11905 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11910 /* Load the nth game from open file f */
11912 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11916 int gn = gameNumber;
11917 ListGame *lg = NULL;
11918 int numPGNTags = 0;
11920 GameMode oldGameMode;
11921 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11923 if (appData.debugMode)
11924 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11926 if (gameMode == Training )
11927 SetTrainingModeOff();
11929 oldGameMode = gameMode;
11930 if (gameMode != BeginningOfGame) {
11931 Reset(FALSE, TRUE);
11935 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11936 fclose(lastLoadGameFP);
11940 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11943 fseek(f, lg->offset, 0);
11944 GameListHighlight(gameNumber);
11945 pos = lg->position;
11949 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
11950 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
11952 DisplayError(_("Game number out of range"), 0);
11957 if (fseek(f, 0, 0) == -1) {
11958 if (f == lastLoadGameFP ?
11959 gameNumber == lastLoadGameNumber + 1 :
11963 DisplayError(_("Can't seek on game file"), 0);
11968 lastLoadGameFP = f;
11969 lastLoadGameNumber = gameNumber;
11970 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11971 lastLoadGameUseList = useList;
11975 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11976 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11977 lg->gameInfo.black);
11979 } else if (*title != NULLCHAR) {
11980 if (gameNumber > 1) {
11981 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11984 DisplayTitle(title);
11988 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11989 gameMode = PlayFromGameFile;
11993 currentMove = forwardMostMove = backwardMostMove = 0;
11994 CopyBoard(boards[0], initialPosition);
11998 * Skip the first gn-1 games in the file.
11999 * Also skip over anything that precedes an identifiable
12000 * start of game marker, to avoid being confused by
12001 * garbage at the start of the file. Currently
12002 * recognized start of game markers are the move number "1",
12003 * the pattern "gnuchess .* game", the pattern
12004 * "^[#;%] [^ ]* game file", and a PGN tag block.
12005 * A game that starts with one of the latter two patterns
12006 * will also have a move number 1, possibly
12007 * following a position diagram.
12008 * 5-4-02: Let's try being more lenient and allowing a game to
12009 * start with an unnumbered move. Does that break anything?
12011 cm = lastLoadGameStart = EndOfFile;
12013 yyboardindex = forwardMostMove;
12014 cm = (ChessMove) Myylex();
12017 if (cmailMsgLoaded) {
12018 nCmailGames = CMAIL_MAX_GAMES - gn;
12021 DisplayError(_("Game not found in file"), 0);
12028 lastLoadGameStart = cm;
12031 case MoveNumberOne:
12032 switch (lastLoadGameStart) {
12037 case MoveNumberOne:
12039 gn--; /* count this game */
12040 lastLoadGameStart = cm;
12049 switch (lastLoadGameStart) {
12052 case MoveNumberOne:
12054 gn--; /* count this game */
12055 lastLoadGameStart = cm;
12058 lastLoadGameStart = cm; /* game counted already */
12066 yyboardindex = forwardMostMove;
12067 cm = (ChessMove) Myylex();
12068 } while (cm == PGNTag || cm == Comment);
12075 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12076 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12077 != CMAIL_OLD_RESULT) {
12079 cmailResult[ CMAIL_MAX_GAMES
12080 - gn - 1] = CMAIL_OLD_RESULT;
12086 /* Only a NormalMove can be at the start of a game
12087 * without a position diagram. */
12088 if (lastLoadGameStart == EndOfFile ) {
12090 lastLoadGameStart = MoveNumberOne;
12099 if (appData.debugMode)
12100 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12102 if (cm == XBoardGame) {
12103 /* Skip any header junk before position diagram and/or move 1 */
12105 yyboardindex = forwardMostMove;
12106 cm = (ChessMove) Myylex();
12108 if (cm == EndOfFile ||
12109 cm == GNUChessGame || cm == XBoardGame) {
12110 /* Empty game; pretend end-of-file and handle later */
12115 if (cm == MoveNumberOne || cm == PositionDiagram ||
12116 cm == PGNTag || cm == Comment)
12119 } else if (cm == GNUChessGame) {
12120 if (gameInfo.event != NULL) {
12121 free(gameInfo.event);
12123 gameInfo.event = StrSave(yy_text);
12126 startedFromSetupPosition = FALSE;
12127 while (cm == PGNTag) {
12128 if (appData.debugMode)
12129 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12130 err = ParsePGNTag(yy_text, &gameInfo);
12131 if (!err) numPGNTags++;
12133 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12134 if(gameInfo.variant != oldVariant) {
12135 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12136 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12137 InitPosition(TRUE);
12138 oldVariant = gameInfo.variant;
12139 if (appData.debugMode)
12140 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12144 if (gameInfo.fen != NULL) {
12145 Board initial_position;
12146 startedFromSetupPosition = TRUE;
12147 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12149 DisplayError(_("Bad FEN position in file"), 0);
12152 CopyBoard(boards[0], initial_position);
12153 if (blackPlaysFirst) {
12154 currentMove = forwardMostMove = backwardMostMove = 1;
12155 CopyBoard(boards[1], initial_position);
12156 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12157 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12158 timeRemaining[0][1] = whiteTimeRemaining;
12159 timeRemaining[1][1] = blackTimeRemaining;
12160 if (commentList[0] != NULL) {
12161 commentList[1] = commentList[0];
12162 commentList[0] = NULL;
12165 currentMove = forwardMostMove = backwardMostMove = 0;
12167 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12169 initialRulePlies = FENrulePlies;
12170 for( i=0; i< nrCastlingRights; i++ )
12171 initialRights[i] = initial_position[CASTLING][i];
12173 yyboardindex = forwardMostMove;
12174 free(gameInfo.fen);
12175 gameInfo.fen = NULL;
12178 yyboardindex = forwardMostMove;
12179 cm = (ChessMove) Myylex();
12181 /* Handle comments interspersed among the tags */
12182 while (cm == Comment) {
12184 if (appData.debugMode)
12185 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12187 AppendComment(currentMove, p, FALSE);
12188 yyboardindex = forwardMostMove;
12189 cm = (ChessMove) Myylex();
12193 /* don't rely on existence of Event tag since if game was
12194 * pasted from clipboard the Event tag may not exist
12196 if (numPGNTags > 0){
12198 if (gameInfo.variant == VariantNormal) {
12199 VariantClass v = StringToVariant(gameInfo.event);
12200 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12201 if(v < VariantShogi) gameInfo.variant = v;
12204 if( appData.autoDisplayTags ) {
12205 tags = PGNTags(&gameInfo);
12206 TagsPopUp(tags, CmailMsg());
12211 /* Make something up, but don't display it now */
12216 if (cm == PositionDiagram) {
12219 Board initial_position;
12221 if (appData.debugMode)
12222 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12224 if (!startedFromSetupPosition) {
12226 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12227 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12238 initial_position[i][j++] = CharToPiece(*p);
12241 while (*p == ' ' || *p == '\t' ||
12242 *p == '\n' || *p == '\r') p++;
12244 if (strncmp(p, "black", strlen("black"))==0)
12245 blackPlaysFirst = TRUE;
12247 blackPlaysFirst = FALSE;
12248 startedFromSetupPosition = TRUE;
12250 CopyBoard(boards[0], initial_position);
12251 if (blackPlaysFirst) {
12252 currentMove = forwardMostMove = backwardMostMove = 1;
12253 CopyBoard(boards[1], initial_position);
12254 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12255 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12256 timeRemaining[0][1] = whiteTimeRemaining;
12257 timeRemaining[1][1] = blackTimeRemaining;
12258 if (commentList[0] != NULL) {
12259 commentList[1] = commentList[0];
12260 commentList[0] = NULL;
12263 currentMove = forwardMostMove = backwardMostMove = 0;
12266 yyboardindex = forwardMostMove;
12267 cm = (ChessMove) Myylex();
12270 if(!creatingBook) {
12271 if (first.pr == NoProc) {
12272 StartChessProgram(&first);
12274 InitChessProgram(&first, FALSE);
12275 SendToProgram("force\n", &first);
12276 if (startedFromSetupPosition) {
12277 SendBoard(&first, forwardMostMove);
12278 if (appData.debugMode) {
12279 fprintf(debugFP, "Load Game\n");
12281 DisplayBothClocks();
12285 /* [HGM] server: flag to write setup moves in broadcast file as one */
12286 loadFlag = appData.suppressLoadMoves;
12288 while (cm == Comment) {
12290 if (appData.debugMode)
12291 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12293 AppendComment(currentMove, p, FALSE);
12294 yyboardindex = forwardMostMove;
12295 cm = (ChessMove) Myylex();
12298 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12299 cm == WhiteWins || cm == BlackWins ||
12300 cm == GameIsDrawn || cm == GameUnfinished) {
12301 DisplayMessage("", _("No moves in game"));
12302 if (cmailMsgLoaded) {
12303 if (appData.debugMode)
12304 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12308 DrawPosition(FALSE, boards[currentMove]);
12309 DisplayBothClocks();
12310 gameMode = EditGame;
12317 // [HGM] PV info: routine tests if comment empty
12318 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12319 DisplayComment(currentMove - 1, commentList[currentMove]);
12321 if (!matchMode && appData.timeDelay != 0)
12322 DrawPosition(FALSE, boards[currentMove]);
12324 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12325 programStats.ok_to_send = 1;
12328 /* if the first token after the PGN tags is a move
12329 * and not move number 1, retrieve it from the parser
12331 if (cm != MoveNumberOne)
12332 LoadGameOneMove(cm);
12334 /* load the remaining moves from the file */
12335 while (LoadGameOneMove(EndOfFile)) {
12336 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12337 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12340 /* rewind to the start of the game */
12341 currentMove = backwardMostMove;
12343 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12345 if (oldGameMode == AnalyzeFile ||
12346 oldGameMode == AnalyzeMode) {
12347 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12348 AnalyzeFileEvent();
12351 if(creatingBook) return TRUE;
12352 if (!matchMode && pos > 0) {
12353 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12355 if (matchMode || appData.timeDelay == 0) {
12357 } else if (appData.timeDelay > 0) {
12358 AutoPlayGameLoop();
12361 if (appData.debugMode)
12362 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12364 loadFlag = 0; /* [HGM] true game starts */
12368 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12370 ReloadPosition (int offset)
12372 int positionNumber = lastLoadPositionNumber + offset;
12373 if (lastLoadPositionFP == NULL) {
12374 DisplayError(_("No position has been loaded yet"), 0);
12377 if (positionNumber <= 0) {
12378 DisplayError(_("Can't back up any further"), 0);
12381 return LoadPosition(lastLoadPositionFP, positionNumber,
12382 lastLoadPositionTitle);
12385 /* Load the nth position from the given file */
12387 LoadPositionFromFile (char *filename, int n, char *title)
12392 if (strcmp(filename, "-") == 0) {
12393 return LoadPosition(stdin, n, "stdin");
12395 f = fopen(filename, "rb");
12397 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12398 DisplayError(buf, errno);
12401 return LoadPosition(f, n, title);
12406 /* Load the nth position from the given open file, and close it */
12408 LoadPosition (FILE *f, int positionNumber, char *title)
12410 char *p, line[MSG_SIZ];
12411 Board initial_position;
12412 int i, j, fenMode, pn;
12414 if (gameMode == Training )
12415 SetTrainingModeOff();
12417 if (gameMode != BeginningOfGame) {
12418 Reset(FALSE, TRUE);
12420 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12421 fclose(lastLoadPositionFP);
12423 if (positionNumber == 0) positionNumber = 1;
12424 lastLoadPositionFP = f;
12425 lastLoadPositionNumber = positionNumber;
12426 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12427 if (first.pr == NoProc && !appData.noChessProgram) {
12428 StartChessProgram(&first);
12429 InitChessProgram(&first, FALSE);
12431 pn = positionNumber;
12432 if (positionNumber < 0) {
12433 /* Negative position number means to seek to that byte offset */
12434 if (fseek(f, -positionNumber, 0) == -1) {
12435 DisplayError(_("Can't seek on position file"), 0);
12440 if (fseek(f, 0, 0) == -1) {
12441 if (f == lastLoadPositionFP ?
12442 positionNumber == lastLoadPositionNumber + 1 :
12443 positionNumber == 1) {
12446 DisplayError(_("Can't seek on position file"), 0);
12451 /* See if this file is FEN or old-style xboard */
12452 if (fgets(line, MSG_SIZ, f) == NULL) {
12453 DisplayError(_("Position not found in file"), 0);
12456 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12457 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12460 if (fenMode || line[0] == '#') pn--;
12462 /* skip positions before number pn */
12463 if (fgets(line, MSG_SIZ, f) == NULL) {
12465 DisplayError(_("Position not found in file"), 0);
12468 if (fenMode || line[0] == '#') pn--;
12473 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12474 DisplayError(_("Bad FEN position in file"), 0);
12478 (void) fgets(line, MSG_SIZ, f);
12479 (void) fgets(line, MSG_SIZ, f);
12481 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12482 (void) fgets(line, MSG_SIZ, f);
12483 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12486 initial_position[i][j++] = CharToPiece(*p);
12490 blackPlaysFirst = FALSE;
12492 (void) fgets(line, MSG_SIZ, f);
12493 if (strncmp(line, "black", strlen("black"))==0)
12494 blackPlaysFirst = TRUE;
12497 startedFromSetupPosition = TRUE;
12499 CopyBoard(boards[0], initial_position);
12500 if (blackPlaysFirst) {
12501 currentMove = forwardMostMove = backwardMostMove = 1;
12502 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12503 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12504 CopyBoard(boards[1], initial_position);
12505 DisplayMessage("", _("Black to play"));
12507 currentMove = forwardMostMove = backwardMostMove = 0;
12508 DisplayMessage("", _("White to play"));
12510 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12511 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12512 SendToProgram("force\n", &first);
12513 SendBoard(&first, forwardMostMove);
12515 if (appData.debugMode) {
12517 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12518 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12519 fprintf(debugFP, "Load Position\n");
12522 if (positionNumber > 1) {
12523 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12524 DisplayTitle(line);
12526 DisplayTitle(title);
12528 gameMode = EditGame;
12531 timeRemaining[0][1] = whiteTimeRemaining;
12532 timeRemaining[1][1] = blackTimeRemaining;
12533 DrawPosition(FALSE, boards[currentMove]);
12540 CopyPlayerNameIntoFileName (char **dest, char *src)
12542 while (*src != NULLCHAR && *src != ',') {
12547 *(*dest)++ = *src++;
12553 DefaultFileName (char *ext)
12555 static char def[MSG_SIZ];
12558 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12560 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12562 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12564 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12571 /* Save the current game to the given file */
12573 SaveGameToFile (char *filename, int append)
12577 int result, i, t,tot=0;
12579 if (strcmp(filename, "-") == 0) {
12580 return SaveGame(stdout, 0, NULL);
12582 for(i=0; i<10; i++) { // upto 10 tries
12583 f = fopen(filename, append ? "a" : "w");
12584 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12585 if(f || errno != 13) break;
12586 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12590 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12591 DisplayError(buf, errno);
12594 safeStrCpy(buf, lastMsg, MSG_SIZ);
12595 DisplayMessage(_("Waiting for access to save file"), "");
12596 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12597 DisplayMessage(_("Saving game"), "");
12598 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12599 result = SaveGame(f, 0, NULL);
12600 DisplayMessage(buf, "");
12607 SavePart (char *str)
12609 static char buf[MSG_SIZ];
12612 p = strchr(str, ' ');
12613 if (p == NULL) return str;
12614 strncpy(buf, str, p - str);
12615 buf[p - str] = NULLCHAR;
12619 #define PGN_MAX_LINE 75
12621 #define PGN_SIDE_WHITE 0
12622 #define PGN_SIDE_BLACK 1
12625 FindFirstMoveOutOfBook (int side)
12629 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12630 int index = backwardMostMove;
12631 int has_book_hit = 0;
12633 if( (index % 2) != side ) {
12637 while( index < forwardMostMove ) {
12638 /* Check to see if engine is in book */
12639 int depth = pvInfoList[index].depth;
12640 int score = pvInfoList[index].score;
12646 else if( score == 0 && depth == 63 ) {
12647 in_book = 1; /* Zappa */
12649 else if( score == 2 && depth == 99 ) {
12650 in_book = 1; /* Abrok */
12653 has_book_hit += in_book;
12669 GetOutOfBookInfo (char * buf)
12673 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12675 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12676 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12680 if( oob[0] >= 0 || oob[1] >= 0 ) {
12681 for( i=0; i<2; i++ ) {
12685 if( i > 0 && oob[0] >= 0 ) {
12686 strcat( buf, " " );
12689 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12690 sprintf( buf+strlen(buf), "%s%.2f",
12691 pvInfoList[idx].score >= 0 ? "+" : "",
12692 pvInfoList[idx].score / 100.0 );
12698 /* Save game in PGN style and close the file */
12700 SaveGamePGN (FILE *f)
12702 int i, offset, linelen, newblock;
12705 int movelen, numlen, blank;
12706 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12708 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12710 PrintPGNTags(f, &gameInfo);
12712 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12714 if (backwardMostMove > 0 || startedFromSetupPosition) {
12715 char *fen = PositionToFEN(backwardMostMove, NULL);
12716 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12717 fprintf(f, "\n{--------------\n");
12718 PrintPosition(f, backwardMostMove);
12719 fprintf(f, "--------------}\n");
12723 /* [AS] Out of book annotation */
12724 if( appData.saveOutOfBookInfo ) {
12727 GetOutOfBookInfo( buf );
12729 if( buf[0] != '\0' ) {
12730 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12737 i = backwardMostMove;
12741 while (i < forwardMostMove) {
12742 /* Print comments preceding this move */
12743 if (commentList[i] != NULL) {
12744 if (linelen > 0) fprintf(f, "\n");
12745 fprintf(f, "%s", commentList[i]);
12750 /* Format move number */
12752 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12755 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12757 numtext[0] = NULLCHAR;
12759 numlen = strlen(numtext);
12762 /* Print move number */
12763 blank = linelen > 0 && numlen > 0;
12764 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12773 fprintf(f, "%s", numtext);
12777 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12778 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12781 blank = linelen > 0 && movelen > 0;
12782 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12791 fprintf(f, "%s", move_buffer);
12792 linelen += movelen;
12794 /* [AS] Add PV info if present */
12795 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12796 /* [HGM] add time */
12797 char buf[MSG_SIZ]; int seconds;
12799 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12805 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12808 seconds = (seconds + 4)/10; // round to full seconds
12810 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12812 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12815 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12816 pvInfoList[i].score >= 0 ? "+" : "",
12817 pvInfoList[i].score / 100.0,
12818 pvInfoList[i].depth,
12821 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12823 /* Print score/depth */
12824 blank = linelen > 0 && movelen > 0;
12825 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12834 fprintf(f, "%s", move_buffer);
12835 linelen += movelen;
12841 /* Start a new line */
12842 if (linelen > 0) fprintf(f, "\n");
12844 /* Print comments after last move */
12845 if (commentList[i] != NULL) {
12846 fprintf(f, "%s\n", commentList[i]);
12850 if (gameInfo.resultDetails != NULL &&
12851 gameInfo.resultDetails[0] != NULLCHAR) {
12852 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12853 PGNResult(gameInfo.result));
12855 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12859 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12863 /* Save game in old style and close the file */
12865 SaveGameOldStyle (FILE *f)
12870 tm = time((time_t *) NULL);
12872 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12875 if (backwardMostMove > 0 || startedFromSetupPosition) {
12876 fprintf(f, "\n[--------------\n");
12877 PrintPosition(f, backwardMostMove);
12878 fprintf(f, "--------------]\n");
12883 i = backwardMostMove;
12884 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12886 while (i < forwardMostMove) {
12887 if (commentList[i] != NULL) {
12888 fprintf(f, "[%s]\n", commentList[i]);
12891 if ((i % 2) == 1) {
12892 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12895 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12897 if (commentList[i] != NULL) {
12901 if (i >= forwardMostMove) {
12905 fprintf(f, "%s\n", parseList[i]);
12910 if (commentList[i] != NULL) {
12911 fprintf(f, "[%s]\n", commentList[i]);
12914 /* This isn't really the old style, but it's close enough */
12915 if (gameInfo.resultDetails != NULL &&
12916 gameInfo.resultDetails[0] != NULLCHAR) {
12917 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12918 gameInfo.resultDetails);
12920 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12927 /* Save the current game to open file f and close the file */
12929 SaveGame (FILE *f, int dummy, char *dummy2)
12931 if (gameMode == EditPosition) EditPositionDone(TRUE);
12932 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12933 if (appData.oldSaveStyle)
12934 return SaveGameOldStyle(f);
12936 return SaveGamePGN(f);
12939 /* Save the current position to the given file */
12941 SavePositionToFile (char *filename)
12946 if (strcmp(filename, "-") == 0) {
12947 return SavePosition(stdout, 0, NULL);
12949 f = fopen(filename, "a");
12951 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12952 DisplayError(buf, errno);
12955 safeStrCpy(buf, lastMsg, MSG_SIZ);
12956 DisplayMessage(_("Waiting for access to save file"), "");
12957 flock(fileno(f), LOCK_EX); // [HGM] lock
12958 DisplayMessage(_("Saving position"), "");
12959 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12960 SavePosition(f, 0, NULL);
12961 DisplayMessage(buf, "");
12967 /* Save the current position to the given open file and close the file */
12969 SavePosition (FILE *f, int dummy, char *dummy2)
12974 if (gameMode == EditPosition) EditPositionDone(TRUE);
12975 if (appData.oldSaveStyle) {
12976 tm = time((time_t *) NULL);
12978 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12980 fprintf(f, "[--------------\n");
12981 PrintPosition(f, currentMove);
12982 fprintf(f, "--------------]\n");
12984 fen = PositionToFEN(currentMove, NULL);
12985 fprintf(f, "%s\n", fen);
12993 ReloadCmailMsgEvent (int unregister)
12996 static char *inFilename = NULL;
12997 static char *outFilename;
12999 struct stat inbuf, outbuf;
13002 /* Any registered moves are unregistered if unregister is set, */
13003 /* i.e. invoked by the signal handler */
13005 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13006 cmailMoveRegistered[i] = FALSE;
13007 if (cmailCommentList[i] != NULL) {
13008 free(cmailCommentList[i]);
13009 cmailCommentList[i] = NULL;
13012 nCmailMovesRegistered = 0;
13015 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13016 cmailResult[i] = CMAIL_NOT_RESULT;
13020 if (inFilename == NULL) {
13021 /* Because the filenames are static they only get malloced once */
13022 /* and they never get freed */
13023 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13024 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13026 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13027 sprintf(outFilename, "%s.out", appData.cmailGameName);
13030 status = stat(outFilename, &outbuf);
13032 cmailMailedMove = FALSE;
13034 status = stat(inFilename, &inbuf);
13035 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13038 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13039 counts the games, notes how each one terminated, etc.
13041 It would be nice to remove this kludge and instead gather all
13042 the information while building the game list. (And to keep it
13043 in the game list nodes instead of having a bunch of fixed-size
13044 parallel arrays.) Note this will require getting each game's
13045 termination from the PGN tags, as the game list builder does
13046 not process the game moves. --mann
13048 cmailMsgLoaded = TRUE;
13049 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13051 /* Load first game in the file or popup game menu */
13052 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13054 #endif /* !WIN32 */
13062 char string[MSG_SIZ];
13064 if ( cmailMailedMove
13065 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13066 return TRUE; /* Allow free viewing */
13069 /* Unregister move to ensure that we don't leave RegisterMove */
13070 /* with the move registered when the conditions for registering no */
13072 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13073 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13074 nCmailMovesRegistered --;
13076 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13078 free(cmailCommentList[lastLoadGameNumber - 1]);
13079 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13083 if (cmailOldMove == -1) {
13084 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13088 if (currentMove > cmailOldMove + 1) {
13089 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13093 if (currentMove < cmailOldMove) {
13094 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13098 if (forwardMostMove > currentMove) {
13099 /* Silently truncate extra moves */
13103 if ( (currentMove == cmailOldMove + 1)
13104 || ( (currentMove == cmailOldMove)
13105 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13106 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13107 if (gameInfo.result != GameUnfinished) {
13108 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13111 if (commentList[currentMove] != NULL) {
13112 cmailCommentList[lastLoadGameNumber - 1]
13113 = StrSave(commentList[currentMove]);
13115 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13117 if (appData.debugMode)
13118 fprintf(debugFP, "Saving %s for game %d\n",
13119 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13121 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13123 f = fopen(string, "w");
13124 if (appData.oldSaveStyle) {
13125 SaveGameOldStyle(f); /* also closes the file */
13127 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13128 f = fopen(string, "w");
13129 SavePosition(f, 0, NULL); /* also closes the file */
13131 fprintf(f, "{--------------\n");
13132 PrintPosition(f, currentMove);
13133 fprintf(f, "--------------}\n\n");
13135 SaveGame(f, 0, NULL); /* also closes the file*/
13138 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13139 nCmailMovesRegistered ++;
13140 } else if (nCmailGames == 1) {
13141 DisplayError(_("You have not made a move yet"), 0);
13152 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13153 FILE *commandOutput;
13154 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13155 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13161 if (! cmailMsgLoaded) {
13162 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13166 if (nCmailGames == nCmailResults) {
13167 DisplayError(_("No unfinished games"), 0);
13171 #if CMAIL_PROHIBIT_REMAIL
13172 if (cmailMailedMove) {
13173 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);
13174 DisplayError(msg, 0);
13179 if (! (cmailMailedMove || RegisterMove())) return;
13181 if ( cmailMailedMove
13182 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13183 snprintf(string, MSG_SIZ, partCommandString,
13184 appData.debugMode ? " -v" : "", appData.cmailGameName);
13185 commandOutput = popen(string, "r");
13187 if (commandOutput == NULL) {
13188 DisplayError(_("Failed to invoke cmail"), 0);
13190 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13191 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13193 if (nBuffers > 1) {
13194 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13195 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13196 nBytes = MSG_SIZ - 1;
13198 (void) memcpy(msg, buffer, nBytes);
13200 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13202 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13203 cmailMailedMove = TRUE; /* Prevent >1 moves */
13206 for (i = 0; i < nCmailGames; i ++) {
13207 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13212 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13214 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13216 appData.cmailGameName,
13218 LoadGameFromFile(buffer, 1, buffer, FALSE);
13219 cmailMsgLoaded = FALSE;
13223 DisplayInformation(msg);
13224 pclose(commandOutput);
13227 if ((*cmailMsg) != '\0') {
13228 DisplayInformation(cmailMsg);
13233 #endif /* !WIN32 */
13242 int prependComma = 0;
13244 char string[MSG_SIZ]; /* Space for game-list */
13247 if (!cmailMsgLoaded) return "";
13249 if (cmailMailedMove) {
13250 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13252 /* Create a list of games left */
13253 snprintf(string, MSG_SIZ, "[");
13254 for (i = 0; i < nCmailGames; i ++) {
13255 if (! ( cmailMoveRegistered[i]
13256 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13257 if (prependComma) {
13258 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13260 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13264 strcat(string, number);
13267 strcat(string, "]");
13269 if (nCmailMovesRegistered + nCmailResults == 0) {
13270 switch (nCmailGames) {
13272 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13276 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13280 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13285 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13287 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13292 if (nCmailResults == nCmailGames) {
13293 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13295 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13300 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13312 if (gameMode == Training)
13313 SetTrainingModeOff();
13316 cmailMsgLoaded = FALSE;
13317 if (appData.icsActive) {
13318 SendToICS(ics_prefix);
13319 SendToICS("refresh\n");
13324 ExitEvent (int status)
13328 /* Give up on clean exit */
13332 /* Keep trying for clean exit */
13336 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13338 if (telnetISR != NULL) {
13339 RemoveInputSource(telnetISR);
13341 if (icsPR != NoProc) {
13342 DestroyChildProcess(icsPR, TRUE);
13345 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13346 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13348 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13349 /* make sure this other one finishes before killing it! */
13350 if(endingGame) { int count = 0;
13351 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13352 while(endingGame && count++ < 10) DoSleep(1);
13353 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13356 /* Kill off chess programs */
13357 if (first.pr != NoProc) {
13360 DoSleep( appData.delayBeforeQuit );
13361 SendToProgram("quit\n", &first);
13362 DoSleep( appData.delayAfterQuit );
13363 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13365 if (second.pr != NoProc) {
13366 DoSleep( appData.delayBeforeQuit );
13367 SendToProgram("quit\n", &second);
13368 DoSleep( appData.delayAfterQuit );
13369 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13371 if (first.isr != NULL) {
13372 RemoveInputSource(first.isr);
13374 if (second.isr != NULL) {
13375 RemoveInputSource(second.isr);
13378 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13379 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13381 ShutDownFrontEnd();
13386 PauseEngine (ChessProgramState *cps)
13388 SendToProgram("pause\n", cps);
13393 UnPauseEngine (ChessProgramState *cps)
13395 SendToProgram("resume\n", cps);
13402 if (appData.debugMode)
13403 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13407 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13409 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13410 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13411 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13413 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13414 HandleMachineMove(stashedInputMove, stalledEngine);
13415 stalledEngine = NULL;
13418 if (gameMode == MachinePlaysWhite ||
13419 gameMode == TwoMachinesPlay ||
13420 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13421 if(first.pause) UnPauseEngine(&first);
13422 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13423 if(second.pause) UnPauseEngine(&second);
13424 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13427 DisplayBothClocks();
13429 if (gameMode == PlayFromGameFile) {
13430 if (appData.timeDelay >= 0)
13431 AutoPlayGameLoop();
13432 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13433 Reset(FALSE, TRUE);
13434 SendToICS(ics_prefix);
13435 SendToICS("refresh\n");
13436 } else if (currentMove < forwardMostMove) {
13437 ForwardInner(forwardMostMove);
13439 pauseExamInvalid = FALSE;
13441 switch (gameMode) {
13445 pauseExamForwardMostMove = forwardMostMove;
13446 pauseExamInvalid = FALSE;
13449 case IcsPlayingWhite:
13450 case IcsPlayingBlack:
13454 case PlayFromGameFile:
13455 (void) StopLoadGameTimer();
13459 case BeginningOfGame:
13460 if (appData.icsActive) return;
13461 /* else fall through */
13462 case MachinePlaysWhite:
13463 case MachinePlaysBlack:
13464 case TwoMachinesPlay:
13465 if (forwardMostMove == 0)
13466 return; /* don't pause if no one has moved */
13467 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13468 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13469 if(onMove->pause) { // thinking engine can be paused
13470 PauseEngine(onMove); // do it
13471 if(onMove->other->pause) // pondering opponent can always be paused immediately
13472 PauseEngine(onMove->other);
13474 SendToProgram("easy\n", onMove->other);
13476 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13477 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13479 PauseEngine(&first);
13481 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13482 } else { // human on move, pause pondering by either method
13484 PauseEngine(&first);
13485 else if(appData.ponderNextMove)
13486 SendToProgram("easy\n", &first);
13489 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13499 EditCommentEvent ()
13501 char title[MSG_SIZ];
13503 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13504 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13506 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13507 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13508 parseList[currentMove - 1]);
13511 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13518 char *tags = PGNTags(&gameInfo);
13520 EditTagsPopUp(tags, NULL);
13527 if(second.analyzing) {
13528 SendToProgram("exit\n", &second);
13529 second.analyzing = FALSE;
13531 if (second.pr == NoProc) StartChessProgram(&second);
13532 InitChessProgram(&second, FALSE);
13533 FeedMovesToProgram(&second, currentMove);
13535 SendToProgram("analyze\n", &second);
13536 second.analyzing = TRUE;
13540 /* Toggle ShowThinking */
13542 ToggleShowThinking()
13544 appData.showThinking = !appData.showThinking;
13545 ShowThinkingEvent();
13549 AnalyzeModeEvent ()
13553 if (!first.analysisSupport) {
13554 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13555 DisplayError(buf, 0);
13558 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13559 if (appData.icsActive) {
13560 if (gameMode != IcsObserving) {
13561 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13562 DisplayError(buf, 0);
13564 if (appData.icsEngineAnalyze) {
13565 if (appData.debugMode)
13566 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13572 /* if enable, user wants to disable icsEngineAnalyze */
13573 if (appData.icsEngineAnalyze) {
13578 appData.icsEngineAnalyze = TRUE;
13579 if (appData.debugMode)
13580 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13583 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13584 if (appData.noChessProgram || gameMode == AnalyzeMode)
13587 if (gameMode != AnalyzeFile) {
13588 if (!appData.icsEngineAnalyze) {
13590 if (gameMode != EditGame) return 0;
13592 if (!appData.showThinking) ToggleShowThinking();
13593 ResurrectChessProgram();
13594 SendToProgram("analyze\n", &first);
13595 first.analyzing = TRUE;
13596 /*first.maybeThinking = TRUE;*/
13597 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13598 EngineOutputPopUp();
13600 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13605 StartAnalysisClock();
13606 GetTimeMark(&lastNodeCountTime);
13612 AnalyzeFileEvent ()
13614 if (appData.noChessProgram || gameMode == AnalyzeFile)
13617 if (!first.analysisSupport) {
13619 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13620 DisplayError(buf, 0);
13624 if (gameMode != AnalyzeMode) {
13625 keepInfo = 1; // mere annotating should not alter PGN tags
13628 if (gameMode != EditGame) return;
13629 if (!appData.showThinking) ToggleShowThinking();
13630 ResurrectChessProgram();
13631 SendToProgram("analyze\n", &first);
13632 first.analyzing = TRUE;
13633 /*first.maybeThinking = TRUE;*/
13634 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13635 EngineOutputPopUp();
13637 gameMode = AnalyzeFile;
13641 StartAnalysisClock();
13642 GetTimeMark(&lastNodeCountTime);
13644 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13645 AnalysisPeriodicEvent(1);
13649 MachineWhiteEvent ()
13652 char *bookHit = NULL;
13654 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13658 if (gameMode == PlayFromGameFile ||
13659 gameMode == TwoMachinesPlay ||
13660 gameMode == Training ||
13661 gameMode == AnalyzeMode ||
13662 gameMode == EndOfGame)
13665 if (gameMode == EditPosition)
13666 EditPositionDone(TRUE);
13668 if (!WhiteOnMove(currentMove)) {
13669 DisplayError(_("It is not White's turn"), 0);
13673 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13676 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13677 gameMode == AnalyzeFile)
13680 ResurrectChessProgram(); /* in case it isn't running */
13681 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13682 gameMode = MachinePlaysWhite;
13685 gameMode = MachinePlaysWhite;
13689 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13691 if (first.sendName) {
13692 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13693 SendToProgram(buf, &first);
13695 if (first.sendTime) {
13696 if (first.useColors) {
13697 SendToProgram("black\n", &first); /*gnu kludge*/
13699 SendTimeRemaining(&first, TRUE);
13701 if (first.useColors) {
13702 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13704 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13705 SetMachineThinkingEnables();
13706 first.maybeThinking = TRUE;
13710 if (appData.autoFlipView && !flipView) {
13711 flipView = !flipView;
13712 DrawPosition(FALSE, NULL);
13713 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13716 if(bookHit) { // [HGM] book: simulate book reply
13717 static char bookMove[MSG_SIZ]; // a bit generous?
13719 programStats.nodes = programStats.depth = programStats.time =
13720 programStats.score = programStats.got_only_move = 0;
13721 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13723 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13724 strcat(bookMove, bookHit);
13725 HandleMachineMove(bookMove, &first);
13730 MachineBlackEvent ()
13733 char *bookHit = NULL;
13735 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13739 if (gameMode == PlayFromGameFile ||
13740 gameMode == TwoMachinesPlay ||
13741 gameMode == Training ||
13742 gameMode == AnalyzeMode ||
13743 gameMode == EndOfGame)
13746 if (gameMode == EditPosition)
13747 EditPositionDone(TRUE);
13749 if (WhiteOnMove(currentMove)) {
13750 DisplayError(_("It is not Black's turn"), 0);
13754 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13757 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13758 gameMode == AnalyzeFile)
13761 ResurrectChessProgram(); /* in case it isn't running */
13762 gameMode = MachinePlaysBlack;
13766 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13768 if (first.sendName) {
13769 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13770 SendToProgram(buf, &first);
13772 if (first.sendTime) {
13773 if (first.useColors) {
13774 SendToProgram("white\n", &first); /*gnu kludge*/
13776 SendTimeRemaining(&first, FALSE);
13778 if (first.useColors) {
13779 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13782 SetMachineThinkingEnables();
13783 first.maybeThinking = TRUE;
13786 if (appData.autoFlipView && flipView) {
13787 flipView = !flipView;
13788 DrawPosition(FALSE, NULL);
13789 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13791 if(bookHit) { // [HGM] book: simulate book reply
13792 static char bookMove[MSG_SIZ]; // a bit generous?
13794 programStats.nodes = programStats.depth = programStats.time =
13795 programStats.score = programStats.got_only_move = 0;
13796 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13798 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13799 strcat(bookMove, bookHit);
13800 HandleMachineMove(bookMove, &first);
13806 DisplayTwoMachinesTitle ()
13809 if (appData.matchGames > 0) {
13810 if(appData.tourneyFile[0]) {
13811 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13812 gameInfo.white, _("vs."), gameInfo.black,
13813 nextGame+1, appData.matchGames+1,
13814 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13816 if (first.twoMachinesColor[0] == 'w') {
13817 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13818 gameInfo.white, _("vs."), gameInfo.black,
13819 first.matchWins, second.matchWins,
13820 matchGame - 1 - (first.matchWins + second.matchWins));
13822 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13823 gameInfo.white, _("vs."), gameInfo.black,
13824 second.matchWins, first.matchWins,
13825 matchGame - 1 - (first.matchWins + second.matchWins));
13828 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13834 SettingsMenuIfReady ()
13836 if (second.lastPing != second.lastPong) {
13837 DisplayMessage("", _("Waiting for second chess program"));
13838 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13842 DisplayMessage("", "");
13843 SettingsPopUp(&second);
13847 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13850 if (cps->pr == NoProc) {
13851 StartChessProgram(cps);
13852 if (cps->protocolVersion == 1) {
13855 /* kludge: allow timeout for initial "feature" command */
13857 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13858 DisplayMessage("", buf);
13859 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13867 TwoMachinesEvent P((void))
13871 ChessProgramState *onmove;
13872 char *bookHit = NULL;
13873 static int stalling = 0;
13877 if (appData.noChessProgram) return;
13879 switch (gameMode) {
13880 case TwoMachinesPlay:
13882 case MachinePlaysWhite:
13883 case MachinePlaysBlack:
13884 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13885 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13889 case BeginningOfGame:
13890 case PlayFromGameFile:
13893 if (gameMode != EditGame) return;
13896 EditPositionDone(TRUE);
13907 // forwardMostMove = currentMove;
13908 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13910 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13912 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13913 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13914 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13918 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13919 DisplayError("second engine does not play this", 0);
13924 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13925 SendToProgram("force\n", &second);
13927 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13930 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13931 if(appData.matchPause>10000 || appData.matchPause<10)
13932 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13933 wait = SubtractTimeMarks(&now, &pauseStart);
13934 if(wait < appData.matchPause) {
13935 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13938 // we are now committed to starting the game
13940 DisplayMessage("", "");
13941 if (startedFromSetupPosition) {
13942 SendBoard(&second, backwardMostMove);
13943 if (appData.debugMode) {
13944 fprintf(debugFP, "Two Machines\n");
13947 for (i = backwardMostMove; i < forwardMostMove; i++) {
13948 SendMoveToProgram(i, &second);
13951 gameMode = TwoMachinesPlay;
13953 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13955 DisplayTwoMachinesTitle();
13957 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13962 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13963 SendToProgram(first.computerString, &first);
13964 if (first.sendName) {
13965 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13966 SendToProgram(buf, &first);
13968 SendToProgram(second.computerString, &second);
13969 if (second.sendName) {
13970 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13971 SendToProgram(buf, &second);
13975 if (!first.sendTime || !second.sendTime) {
13976 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13977 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13979 if (onmove->sendTime) {
13980 if (onmove->useColors) {
13981 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13983 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13985 if (onmove->useColors) {
13986 SendToProgram(onmove->twoMachinesColor, onmove);
13988 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13989 // SendToProgram("go\n", onmove);
13990 onmove->maybeThinking = TRUE;
13991 SetMachineThinkingEnables();
13995 if(bookHit) { // [HGM] book: simulate book reply
13996 static char bookMove[MSG_SIZ]; // a bit generous?
13998 programStats.nodes = programStats.depth = programStats.time =
13999 programStats.score = programStats.got_only_move = 0;
14000 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14002 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14003 strcat(bookMove, bookHit);
14004 savedMessage = bookMove; // args for deferred call
14005 savedState = onmove;
14006 ScheduleDelayedEvent(DeferredBookMove, 1);
14013 if (gameMode == Training) {
14014 SetTrainingModeOff();
14015 gameMode = PlayFromGameFile;
14016 DisplayMessage("", _("Training mode off"));
14018 gameMode = Training;
14019 animateTraining = appData.animate;
14021 /* make sure we are not already at the end of the game */
14022 if (currentMove < forwardMostMove) {
14023 SetTrainingModeOn();
14024 DisplayMessage("", _("Training mode on"));
14026 gameMode = PlayFromGameFile;
14027 DisplayError(_("Already at end of game"), 0);
14036 if (!appData.icsActive) return;
14037 switch (gameMode) {
14038 case IcsPlayingWhite:
14039 case IcsPlayingBlack:
14042 case BeginningOfGame:
14050 EditPositionDone(TRUE);
14063 gameMode = IcsIdle;
14073 switch (gameMode) {
14075 SetTrainingModeOff();
14077 case MachinePlaysWhite:
14078 case MachinePlaysBlack:
14079 case BeginningOfGame:
14080 SendToProgram("force\n", &first);
14081 SetUserThinkingEnables();
14083 case PlayFromGameFile:
14084 (void) StopLoadGameTimer();
14085 if (gameFileFP != NULL) {
14090 EditPositionDone(TRUE);
14095 SendToProgram("force\n", &first);
14097 case TwoMachinesPlay:
14098 GameEnds(EndOfFile, NULL, GE_PLAYER);
14099 ResurrectChessProgram();
14100 SetUserThinkingEnables();
14103 ResurrectChessProgram();
14105 case IcsPlayingBlack:
14106 case IcsPlayingWhite:
14107 DisplayError(_("Warning: You are still playing a game"), 0);
14110 DisplayError(_("Warning: You are still observing a game"), 0);
14113 DisplayError(_("Warning: You are still examining a game"), 0);
14124 first.offeredDraw = second.offeredDraw = 0;
14126 if (gameMode == PlayFromGameFile) {
14127 whiteTimeRemaining = timeRemaining[0][currentMove];
14128 blackTimeRemaining = timeRemaining[1][currentMove];
14132 if (gameMode == MachinePlaysWhite ||
14133 gameMode == MachinePlaysBlack ||
14134 gameMode == TwoMachinesPlay ||
14135 gameMode == EndOfGame) {
14136 i = forwardMostMove;
14137 while (i > currentMove) {
14138 SendToProgram("undo\n", &first);
14141 if(!adjustedClock) {
14142 whiteTimeRemaining = timeRemaining[0][currentMove];
14143 blackTimeRemaining = timeRemaining[1][currentMove];
14144 DisplayBothClocks();
14146 if (whiteFlag || blackFlag) {
14147 whiteFlag = blackFlag = 0;
14152 gameMode = EditGame;
14159 EditPositionEvent ()
14161 if (gameMode == EditPosition) {
14167 if (gameMode != EditGame) return;
14169 gameMode = EditPosition;
14172 if (currentMove > 0)
14173 CopyBoard(boards[0], boards[currentMove]);
14175 blackPlaysFirst = !WhiteOnMove(currentMove);
14177 currentMove = forwardMostMove = backwardMostMove = 0;
14178 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14180 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14186 /* [DM] icsEngineAnalyze - possible call from other functions */
14187 if (appData.icsEngineAnalyze) {
14188 appData.icsEngineAnalyze = FALSE;
14190 DisplayMessage("",_("Close ICS engine analyze..."));
14192 if (first.analysisSupport && first.analyzing) {
14193 SendToBoth("exit\n");
14194 first.analyzing = second.analyzing = FALSE;
14196 thinkOutput[0] = NULLCHAR;
14200 EditPositionDone (Boolean fakeRights)
14202 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14204 startedFromSetupPosition = TRUE;
14205 InitChessProgram(&first, FALSE);
14206 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14207 boards[0][EP_STATUS] = EP_NONE;
14208 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14209 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14210 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14211 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14212 } else boards[0][CASTLING][2] = NoRights;
14213 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14214 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14215 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14216 } else boards[0][CASTLING][5] = NoRights;
14217 if(gameInfo.variant == VariantSChess) {
14219 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14220 boards[0][VIRGIN][i] = 0;
14221 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14222 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14226 SendToProgram("force\n", &first);
14227 if (blackPlaysFirst) {
14228 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14229 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14230 currentMove = forwardMostMove = backwardMostMove = 1;
14231 CopyBoard(boards[1], boards[0]);
14233 currentMove = forwardMostMove = backwardMostMove = 0;
14235 SendBoard(&first, forwardMostMove);
14236 if (appData.debugMode) {
14237 fprintf(debugFP, "EditPosDone\n");
14240 DisplayMessage("", "");
14241 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14242 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14243 gameMode = EditGame;
14245 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14246 ClearHighlights(); /* [AS] */
14249 /* Pause for `ms' milliseconds */
14250 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14252 TimeDelay (long ms)
14259 } while (SubtractTimeMarks(&m2, &m1) < ms);
14262 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14264 SendMultiLineToICS (char *buf)
14266 char temp[MSG_SIZ+1], *p;
14273 strncpy(temp, buf, len);
14278 if (*p == '\n' || *p == '\r')
14283 strcat(temp, "\n");
14285 SendToPlayer(temp, strlen(temp));
14289 SetWhiteToPlayEvent ()
14291 if (gameMode == EditPosition) {
14292 blackPlaysFirst = FALSE;
14293 DisplayBothClocks(); /* works because currentMove is 0 */
14294 } else if (gameMode == IcsExamining) {
14295 SendToICS(ics_prefix);
14296 SendToICS("tomove white\n");
14301 SetBlackToPlayEvent ()
14303 if (gameMode == EditPosition) {
14304 blackPlaysFirst = TRUE;
14305 currentMove = 1; /* kludge */
14306 DisplayBothClocks();
14308 } else if (gameMode == IcsExamining) {
14309 SendToICS(ics_prefix);
14310 SendToICS("tomove black\n");
14315 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14318 ChessSquare piece = boards[0][y][x];
14320 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14322 switch (selection) {
14324 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14325 SendToICS(ics_prefix);
14326 SendToICS("bsetup clear\n");
14327 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14328 SendToICS(ics_prefix);
14329 SendToICS("clearboard\n");
14331 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14332 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14333 for (y = 0; y < BOARD_HEIGHT; y++) {
14334 if (gameMode == IcsExamining) {
14335 if (boards[currentMove][y][x] != EmptySquare) {
14336 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14341 boards[0][y][x] = p;
14346 if (gameMode == EditPosition) {
14347 DrawPosition(FALSE, boards[0]);
14352 SetWhiteToPlayEvent();
14356 SetBlackToPlayEvent();
14360 if (gameMode == IcsExamining) {
14361 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14362 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14365 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14366 if(x == BOARD_LEFT-2) {
14367 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14368 boards[0][y][1] = 0;
14370 if(x == BOARD_RGHT+1) {
14371 if(y >= gameInfo.holdingsSize) break;
14372 boards[0][y][BOARD_WIDTH-2] = 0;
14375 boards[0][y][x] = EmptySquare;
14376 DrawPosition(FALSE, boards[0]);
14381 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14382 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14383 selection = (ChessSquare) (PROMOTED piece);
14384 } else if(piece == EmptySquare) selection = WhiteSilver;
14385 else selection = (ChessSquare)((int)piece - 1);
14389 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14390 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14391 selection = (ChessSquare) (DEMOTED piece);
14392 } else if(piece == EmptySquare) selection = BlackSilver;
14393 else selection = (ChessSquare)((int)piece + 1);
14398 if(gameInfo.variant == VariantShatranj ||
14399 gameInfo.variant == VariantXiangqi ||
14400 gameInfo.variant == VariantCourier ||
14401 gameInfo.variant == VariantMakruk )
14402 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14407 if(gameInfo.variant == VariantXiangqi)
14408 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14409 if(gameInfo.variant == VariantKnightmate)
14410 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14413 if (gameMode == IcsExamining) {
14414 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14415 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14416 PieceToChar(selection), AAA + x, ONE + y);
14419 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14421 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14422 n = PieceToNumber(selection - BlackPawn);
14423 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14424 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14425 boards[0][BOARD_HEIGHT-1-n][1]++;
14427 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14428 n = PieceToNumber(selection);
14429 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14430 boards[0][n][BOARD_WIDTH-1] = selection;
14431 boards[0][n][BOARD_WIDTH-2]++;
14434 boards[0][y][x] = selection;
14435 DrawPosition(TRUE, boards[0]);
14437 fromX = fromY = -1;
14445 DropMenuEvent (ChessSquare selection, int x, int y)
14447 ChessMove moveType;
14449 switch (gameMode) {
14450 case IcsPlayingWhite:
14451 case MachinePlaysBlack:
14452 if (!WhiteOnMove(currentMove)) {
14453 DisplayMoveError(_("It is Black's turn"));
14456 moveType = WhiteDrop;
14458 case IcsPlayingBlack:
14459 case MachinePlaysWhite:
14460 if (WhiteOnMove(currentMove)) {
14461 DisplayMoveError(_("It is White's turn"));
14464 moveType = BlackDrop;
14467 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14473 if (moveType == BlackDrop && selection < BlackPawn) {
14474 selection = (ChessSquare) ((int) selection
14475 + (int) BlackPawn - (int) WhitePawn);
14477 if (boards[currentMove][y][x] != EmptySquare) {
14478 DisplayMoveError(_("That square is occupied"));
14482 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14488 /* Accept a pending offer of any kind from opponent */
14490 if (appData.icsActive) {
14491 SendToICS(ics_prefix);
14492 SendToICS("accept\n");
14493 } else if (cmailMsgLoaded) {
14494 if (currentMove == cmailOldMove &&
14495 commentList[cmailOldMove] != NULL &&
14496 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14497 "Black offers a draw" : "White offers a draw")) {
14499 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14500 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14502 DisplayError(_("There is no pending offer on this move"), 0);
14503 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14506 /* Not used for offers from chess program */
14513 /* Decline a pending offer of any kind from opponent */
14515 if (appData.icsActive) {
14516 SendToICS(ics_prefix);
14517 SendToICS("decline\n");
14518 } else if (cmailMsgLoaded) {
14519 if (currentMove == cmailOldMove &&
14520 commentList[cmailOldMove] != NULL &&
14521 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14522 "Black offers a draw" : "White offers a draw")) {
14524 AppendComment(cmailOldMove, "Draw declined", TRUE);
14525 DisplayComment(cmailOldMove - 1, "Draw declined");
14528 DisplayError(_("There is no pending offer on this move"), 0);
14531 /* Not used for offers from chess program */
14538 /* Issue ICS rematch command */
14539 if (appData.icsActive) {
14540 SendToICS(ics_prefix);
14541 SendToICS("rematch\n");
14548 /* Call your opponent's flag (claim a win on time) */
14549 if (appData.icsActive) {
14550 SendToICS(ics_prefix);
14551 SendToICS("flag\n");
14553 switch (gameMode) {
14556 case MachinePlaysWhite:
14559 GameEnds(GameIsDrawn, "Both players ran out of time",
14562 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14564 DisplayError(_("Your opponent is not out of time"), 0);
14567 case MachinePlaysBlack:
14570 GameEnds(GameIsDrawn, "Both players ran out of time",
14573 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14575 DisplayError(_("Your opponent is not out of time"), 0);
14583 ClockClick (int which)
14584 { // [HGM] code moved to back-end from winboard.c
14585 if(which) { // black clock
14586 if (gameMode == EditPosition || gameMode == IcsExamining) {
14587 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14588 SetBlackToPlayEvent();
14589 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14590 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14591 } else if (shiftKey) {
14592 AdjustClock(which, -1);
14593 } else if (gameMode == IcsPlayingWhite ||
14594 gameMode == MachinePlaysBlack) {
14597 } else { // white clock
14598 if (gameMode == EditPosition || gameMode == IcsExamining) {
14599 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14600 SetWhiteToPlayEvent();
14601 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14602 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14603 } else if (shiftKey) {
14604 AdjustClock(which, -1);
14605 } else if (gameMode == IcsPlayingBlack ||
14606 gameMode == MachinePlaysWhite) {
14615 /* Offer draw or accept pending draw offer from opponent */
14617 if (appData.icsActive) {
14618 /* Note: tournament rules require draw offers to be
14619 made after you make your move but before you punch
14620 your clock. Currently ICS doesn't let you do that;
14621 instead, you immediately punch your clock after making
14622 a move, but you can offer a draw at any time. */
14624 SendToICS(ics_prefix);
14625 SendToICS("draw\n");
14626 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14627 } else if (cmailMsgLoaded) {
14628 if (currentMove == cmailOldMove &&
14629 commentList[cmailOldMove] != NULL &&
14630 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14631 "Black offers a draw" : "White offers a draw")) {
14632 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14633 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14634 } else if (currentMove == cmailOldMove + 1) {
14635 char *offer = WhiteOnMove(cmailOldMove) ?
14636 "White offers a draw" : "Black offers a draw";
14637 AppendComment(currentMove, offer, TRUE);
14638 DisplayComment(currentMove - 1, offer);
14639 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14641 DisplayError(_("You must make your move before offering a draw"), 0);
14642 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14644 } else if (first.offeredDraw) {
14645 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14647 if (first.sendDrawOffers) {
14648 SendToProgram("draw\n", &first);
14649 userOfferedDraw = TRUE;
14657 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14659 if (appData.icsActive) {
14660 SendToICS(ics_prefix);
14661 SendToICS("adjourn\n");
14663 /* Currently GNU Chess doesn't offer or accept Adjourns */
14671 /* Offer Abort or accept pending Abort offer from opponent */
14673 if (appData.icsActive) {
14674 SendToICS(ics_prefix);
14675 SendToICS("abort\n");
14677 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14684 /* Resign. You can do this even if it's not your turn. */
14686 if (appData.icsActive) {
14687 SendToICS(ics_prefix);
14688 SendToICS("resign\n");
14690 switch (gameMode) {
14691 case MachinePlaysWhite:
14692 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14694 case MachinePlaysBlack:
14695 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14698 if (cmailMsgLoaded) {
14700 if (WhiteOnMove(cmailOldMove)) {
14701 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14703 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14705 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14716 StopObservingEvent ()
14718 /* Stop observing current games */
14719 SendToICS(ics_prefix);
14720 SendToICS("unobserve\n");
14724 StopExaminingEvent ()
14726 /* Stop observing current game */
14727 SendToICS(ics_prefix);
14728 SendToICS("unexamine\n");
14732 ForwardInner (int target)
14734 int limit; int oldSeekGraphUp = seekGraphUp;
14736 if (appData.debugMode)
14737 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14738 target, currentMove, forwardMostMove);
14740 if (gameMode == EditPosition)
14743 seekGraphUp = FALSE;
14744 MarkTargetSquares(1);
14746 if (gameMode == PlayFromGameFile && !pausing)
14749 if (gameMode == IcsExamining && pausing)
14750 limit = pauseExamForwardMostMove;
14752 limit = forwardMostMove;
14754 if (target > limit) target = limit;
14756 if (target > 0 && moveList[target - 1][0]) {
14757 int fromX, fromY, toX, toY;
14758 toX = moveList[target - 1][2] - AAA;
14759 toY = moveList[target - 1][3] - ONE;
14760 if (moveList[target - 1][1] == '@') {
14761 if (appData.highlightLastMove) {
14762 SetHighlights(-1, -1, toX, toY);
14765 fromX = moveList[target - 1][0] - AAA;
14766 fromY = moveList[target - 1][1] - ONE;
14767 if (target == currentMove + 1) {
14768 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14770 if (appData.highlightLastMove) {
14771 SetHighlights(fromX, fromY, toX, toY);
14775 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14776 gameMode == Training || gameMode == PlayFromGameFile ||
14777 gameMode == AnalyzeFile) {
14778 while (currentMove < target) {
14779 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14780 SendMoveToProgram(currentMove++, &first);
14783 currentMove = target;
14786 if (gameMode == EditGame || gameMode == EndOfGame) {
14787 whiteTimeRemaining = timeRemaining[0][currentMove];
14788 blackTimeRemaining = timeRemaining[1][currentMove];
14790 DisplayBothClocks();
14791 DisplayMove(currentMove - 1);
14792 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14793 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14794 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14795 DisplayComment(currentMove - 1, commentList[currentMove]);
14797 ClearMap(); // [HGM] exclude: invalidate map
14804 if (gameMode == IcsExamining && !pausing) {
14805 SendToICS(ics_prefix);
14806 SendToICS("forward\n");
14808 ForwardInner(currentMove + 1);
14815 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14816 /* to optimze, we temporarily turn off analysis mode while we feed
14817 * the remaining moves to the engine. Otherwise we get analysis output
14820 if (first.analysisSupport) {
14821 SendToProgram("exit\nforce\n", &first);
14822 first.analyzing = FALSE;
14826 if (gameMode == IcsExamining && !pausing) {
14827 SendToICS(ics_prefix);
14828 SendToICS("forward 999999\n");
14830 ForwardInner(forwardMostMove);
14833 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14834 /* we have fed all the moves, so reactivate analysis mode */
14835 SendToProgram("analyze\n", &first);
14836 first.analyzing = TRUE;
14837 /*first.maybeThinking = TRUE;*/
14838 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14843 BackwardInner (int target)
14845 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14847 if (appData.debugMode)
14848 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14849 target, currentMove, forwardMostMove);
14851 if (gameMode == EditPosition) return;
14852 seekGraphUp = FALSE;
14853 MarkTargetSquares(1);
14854 if (currentMove <= backwardMostMove) {
14856 DrawPosition(full_redraw, boards[currentMove]);
14859 if (gameMode == PlayFromGameFile && !pausing)
14862 if (moveList[target][0]) {
14863 int fromX, fromY, toX, toY;
14864 toX = moveList[target][2] - AAA;
14865 toY = moveList[target][3] - ONE;
14866 if (moveList[target][1] == '@') {
14867 if (appData.highlightLastMove) {
14868 SetHighlights(-1, -1, toX, toY);
14871 fromX = moveList[target][0] - AAA;
14872 fromY = moveList[target][1] - ONE;
14873 if (target == currentMove - 1) {
14874 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14876 if (appData.highlightLastMove) {
14877 SetHighlights(fromX, fromY, toX, toY);
14881 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14882 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14883 while (currentMove > target) {
14884 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14885 // null move cannot be undone. Reload program with move history before it.
14887 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14888 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14890 SendBoard(&first, i);
14891 if(second.analyzing) SendBoard(&second, i);
14892 for(currentMove=i; currentMove<target; currentMove++) {
14893 SendMoveToProgram(currentMove, &first);
14894 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14898 SendToBoth("undo\n");
14902 currentMove = target;
14905 if (gameMode == EditGame || gameMode == EndOfGame) {
14906 whiteTimeRemaining = timeRemaining[0][currentMove];
14907 blackTimeRemaining = timeRemaining[1][currentMove];
14909 DisplayBothClocks();
14910 DisplayMove(currentMove - 1);
14911 DrawPosition(full_redraw, boards[currentMove]);
14912 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14913 // [HGM] PV info: routine tests if comment empty
14914 DisplayComment(currentMove - 1, commentList[currentMove]);
14915 ClearMap(); // [HGM] exclude: invalidate map
14921 if (gameMode == IcsExamining && !pausing) {
14922 SendToICS(ics_prefix);
14923 SendToICS("backward\n");
14925 BackwardInner(currentMove - 1);
14932 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14933 /* to optimize, we temporarily turn off analysis mode while we undo
14934 * all the moves. Otherwise we get analysis output after each undo.
14936 if (first.analysisSupport) {
14937 SendToProgram("exit\nforce\n", &first);
14938 first.analyzing = FALSE;
14942 if (gameMode == IcsExamining && !pausing) {
14943 SendToICS(ics_prefix);
14944 SendToICS("backward 999999\n");
14946 BackwardInner(backwardMostMove);
14949 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14950 /* we have fed all the moves, so reactivate analysis mode */
14951 SendToProgram("analyze\n", &first);
14952 first.analyzing = TRUE;
14953 /*first.maybeThinking = TRUE;*/
14954 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14961 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14962 if (to >= forwardMostMove) to = forwardMostMove;
14963 if (to <= backwardMostMove) to = backwardMostMove;
14964 if (to < currentMove) {
14972 RevertEvent (Boolean annotate)
14974 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14977 if (gameMode != IcsExamining) {
14978 DisplayError(_("You are not examining a game"), 0);
14982 DisplayError(_("You can't revert while pausing"), 0);
14985 SendToICS(ics_prefix);
14986 SendToICS("revert\n");
14990 RetractMoveEvent ()
14992 switch (gameMode) {
14993 case MachinePlaysWhite:
14994 case MachinePlaysBlack:
14995 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14996 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14999 if (forwardMostMove < 2) return;
15000 currentMove = forwardMostMove = forwardMostMove - 2;
15001 whiteTimeRemaining = timeRemaining[0][currentMove];
15002 blackTimeRemaining = timeRemaining[1][currentMove];
15003 DisplayBothClocks();
15004 DisplayMove(currentMove - 1);
15005 ClearHighlights();/*!! could figure this out*/
15006 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15007 SendToProgram("remove\n", &first);
15008 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15011 case BeginningOfGame:
15015 case IcsPlayingWhite:
15016 case IcsPlayingBlack:
15017 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15018 SendToICS(ics_prefix);
15019 SendToICS("takeback 2\n");
15021 SendToICS(ics_prefix);
15022 SendToICS("takeback 1\n");
15031 ChessProgramState *cps;
15033 switch (gameMode) {
15034 case MachinePlaysWhite:
15035 if (!WhiteOnMove(forwardMostMove)) {
15036 DisplayError(_("It is your turn"), 0);
15041 case MachinePlaysBlack:
15042 if (WhiteOnMove(forwardMostMove)) {
15043 DisplayError(_("It is your turn"), 0);
15048 case TwoMachinesPlay:
15049 if (WhiteOnMove(forwardMostMove) ==
15050 (first.twoMachinesColor[0] == 'w')) {
15056 case BeginningOfGame:
15060 SendToProgram("?\n", cps);
15064 TruncateGameEvent ()
15067 if (gameMode != EditGame) return;
15074 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15075 if (forwardMostMove > currentMove) {
15076 if (gameInfo.resultDetails != NULL) {
15077 free(gameInfo.resultDetails);
15078 gameInfo.resultDetails = NULL;
15079 gameInfo.result = GameUnfinished;
15081 forwardMostMove = currentMove;
15082 HistorySet(parseList, backwardMostMove, forwardMostMove,
15090 if (appData.noChessProgram) return;
15091 switch (gameMode) {
15092 case MachinePlaysWhite:
15093 if (WhiteOnMove(forwardMostMove)) {
15094 DisplayError(_("Wait until your turn"), 0);
15098 case BeginningOfGame:
15099 case MachinePlaysBlack:
15100 if (!WhiteOnMove(forwardMostMove)) {
15101 DisplayError(_("Wait until your turn"), 0);
15106 DisplayError(_("No hint available"), 0);
15109 SendToProgram("hint\n", &first);
15110 hintRequested = TRUE;
15116 ListGame * lg = (ListGame *) gameList.head;
15119 static int secondTime = FALSE;
15121 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15122 DisplayError(_("Game list not loaded or empty"), 0);
15126 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15129 DisplayNote(_("Book file exists! Try again for overwrite."));
15133 creatingBook = TRUE;
15134 secondTime = FALSE;
15136 /* Get list size */
15137 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15138 LoadGame(f, nItem, "", TRUE);
15139 AddGameToBook(TRUE);
15140 lg = (ListGame *) lg->node.succ;
15143 creatingBook = FALSE;
15150 if (appData.noChessProgram) return;
15151 switch (gameMode) {
15152 case MachinePlaysWhite:
15153 if (WhiteOnMove(forwardMostMove)) {
15154 DisplayError(_("Wait until your turn"), 0);
15158 case BeginningOfGame:
15159 case MachinePlaysBlack:
15160 if (!WhiteOnMove(forwardMostMove)) {
15161 DisplayError(_("Wait until your turn"), 0);
15166 EditPositionDone(TRUE);
15168 case TwoMachinesPlay:
15173 SendToProgram("bk\n", &first);
15174 bookOutput[0] = NULLCHAR;
15175 bookRequested = TRUE;
15181 char *tags = PGNTags(&gameInfo);
15182 TagsPopUp(tags, CmailMsg());
15186 /* end button procedures */
15189 PrintPosition (FILE *fp, int move)
15193 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15194 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15195 char c = PieceToChar(boards[move][i][j]);
15196 fputc(c == 'x' ? '.' : c, fp);
15197 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15200 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15201 fprintf(fp, "white to play\n");
15203 fprintf(fp, "black to play\n");
15207 PrintOpponents (FILE *fp)
15209 if (gameInfo.white != NULL) {
15210 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15216 /* Find last component of program's own name, using some heuristics */
15218 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15221 int local = (strcmp(host, "localhost") == 0);
15222 while (!local && (p = strchr(prog, ';')) != NULL) {
15224 while (*p == ' ') p++;
15227 if (*prog == '"' || *prog == '\'') {
15228 q = strchr(prog + 1, *prog);
15230 q = strchr(prog, ' ');
15232 if (q == NULL) q = prog + strlen(prog);
15234 while (p >= prog && *p != '/' && *p != '\\') p--;
15236 if(p == prog && *p == '"') p++;
15238 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15239 memcpy(buf, p, q - p);
15240 buf[q - p] = NULLCHAR;
15248 TimeControlTagValue ()
15251 if (!appData.clockMode) {
15252 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15253 } else if (movesPerSession > 0) {
15254 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15255 } else if (timeIncrement == 0) {
15256 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15258 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15260 return StrSave(buf);
15266 /* This routine is used only for certain modes */
15267 VariantClass v = gameInfo.variant;
15268 ChessMove r = GameUnfinished;
15271 if(keepInfo) return;
15273 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15274 r = gameInfo.result;
15275 p = gameInfo.resultDetails;
15276 gameInfo.resultDetails = NULL;
15278 ClearGameInfo(&gameInfo);
15279 gameInfo.variant = v;
15281 switch (gameMode) {
15282 case MachinePlaysWhite:
15283 gameInfo.event = StrSave( appData.pgnEventHeader );
15284 gameInfo.site = StrSave(HostName());
15285 gameInfo.date = PGNDate();
15286 gameInfo.round = StrSave("-");
15287 gameInfo.white = StrSave(first.tidy);
15288 gameInfo.black = StrSave(UserName());
15289 gameInfo.timeControl = TimeControlTagValue();
15292 case MachinePlaysBlack:
15293 gameInfo.event = StrSave( appData.pgnEventHeader );
15294 gameInfo.site = StrSave(HostName());
15295 gameInfo.date = PGNDate();
15296 gameInfo.round = StrSave("-");
15297 gameInfo.white = StrSave(UserName());
15298 gameInfo.black = StrSave(first.tidy);
15299 gameInfo.timeControl = TimeControlTagValue();
15302 case TwoMachinesPlay:
15303 gameInfo.event = StrSave( appData.pgnEventHeader );
15304 gameInfo.site = StrSave(HostName());
15305 gameInfo.date = PGNDate();
15308 snprintf(buf, MSG_SIZ, "%d", roundNr);
15309 gameInfo.round = StrSave(buf);
15311 gameInfo.round = StrSave("-");
15313 if (first.twoMachinesColor[0] == 'w') {
15314 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15315 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15317 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15318 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15320 gameInfo.timeControl = TimeControlTagValue();
15324 gameInfo.event = StrSave("Edited game");
15325 gameInfo.site = StrSave(HostName());
15326 gameInfo.date = PGNDate();
15327 gameInfo.round = StrSave("-");
15328 gameInfo.white = StrSave("-");
15329 gameInfo.black = StrSave("-");
15330 gameInfo.result = r;
15331 gameInfo.resultDetails = p;
15335 gameInfo.event = StrSave("Edited position");
15336 gameInfo.site = StrSave(HostName());
15337 gameInfo.date = PGNDate();
15338 gameInfo.round = StrSave("-");
15339 gameInfo.white = StrSave("-");
15340 gameInfo.black = StrSave("-");
15343 case IcsPlayingWhite:
15344 case IcsPlayingBlack:
15349 case PlayFromGameFile:
15350 gameInfo.event = StrSave("Game from non-PGN file");
15351 gameInfo.site = StrSave(HostName());
15352 gameInfo.date = PGNDate();
15353 gameInfo.round = StrSave("-");
15354 gameInfo.white = StrSave("?");
15355 gameInfo.black = StrSave("?");
15364 ReplaceComment (int index, char *text)
15370 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15371 pvInfoList[index-1].depth == len &&
15372 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15373 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15374 while (*text == '\n') text++;
15375 len = strlen(text);
15376 while (len > 0 && text[len - 1] == '\n') len--;
15378 if (commentList[index] != NULL)
15379 free(commentList[index]);
15382 commentList[index] = NULL;
15385 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15386 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15387 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15388 commentList[index] = (char *) malloc(len + 2);
15389 strncpy(commentList[index], text, len);
15390 commentList[index][len] = '\n';
15391 commentList[index][len + 1] = NULLCHAR;
15393 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15395 commentList[index] = (char *) malloc(len + 7);
15396 safeStrCpy(commentList[index], "{\n", 3);
15397 safeStrCpy(commentList[index]+2, text, len+1);
15398 commentList[index][len+2] = NULLCHAR;
15399 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15400 strcat(commentList[index], "\n}\n");
15405 CrushCRs (char *text)
15413 if (ch == '\r') continue;
15415 } while (ch != '\0');
15419 AppendComment (int index, char *text, Boolean addBraces)
15420 /* addBraces tells if we should add {} */
15425 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15426 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15429 while (*text == '\n') text++;
15430 len = strlen(text);
15431 while (len > 0 && text[len - 1] == '\n') len--;
15432 text[len] = NULLCHAR;
15434 if (len == 0) return;
15436 if (commentList[index] != NULL) {
15437 Boolean addClosingBrace = addBraces;
15438 old = commentList[index];
15439 oldlen = strlen(old);
15440 while(commentList[index][oldlen-1] == '\n')
15441 commentList[index][--oldlen] = NULLCHAR;
15442 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15443 safeStrCpy(commentList[index], old, oldlen + len + 6);
15445 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15446 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15447 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15448 while (*text == '\n') { text++; len--; }
15449 commentList[index][--oldlen] = NULLCHAR;
15451 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15452 else strcat(commentList[index], "\n");
15453 strcat(commentList[index], text);
15454 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15455 else strcat(commentList[index], "\n");
15457 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15459 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15460 else commentList[index][0] = NULLCHAR;
15461 strcat(commentList[index], text);
15462 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15463 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15468 FindStr (char * text, char * sub_text)
15470 char * result = strstr( text, sub_text );
15472 if( result != NULL ) {
15473 result += strlen( sub_text );
15479 /* [AS] Try to extract PV info from PGN comment */
15480 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15482 GetInfoFromComment (int index, char * text)
15484 char * sep = text, *p;
15486 if( text != NULL && index > 0 ) {
15489 int time = -1, sec = 0, deci;
15490 char * s_eval = FindStr( text, "[%eval " );
15491 char * s_emt = FindStr( text, "[%emt " );
15493 if( s_eval != NULL || s_emt != NULL ) {
15497 if( s_eval != NULL ) {
15498 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15502 if( delim != ']' ) {
15507 if( s_emt != NULL ) {
15512 /* We expect something like: [+|-]nnn.nn/dd */
15515 if(*text != '{') return text; // [HGM] braces: must be normal comment
15517 sep = strchr( text, '/' );
15518 if( sep == NULL || sep < (text+4) ) {
15523 if(p[1] == '(') { // comment starts with PV
15524 p = strchr(p, ')'); // locate end of PV
15525 if(p == NULL || sep < p+5) return text;
15526 // at this point we have something like "{(.*) +0.23/6 ..."
15527 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15528 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15529 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15531 time = -1; sec = -1; deci = -1;
15532 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15533 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15534 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15535 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15539 if( score_lo < 0 || score_lo >= 100 ) {
15543 if(sec >= 0) time = 600*time + 10*sec; else
15544 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15546 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15548 /* [HGM] PV time: now locate end of PV info */
15549 while( *++sep >= '0' && *sep <= '9'); // strip depth
15551 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15553 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15555 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15556 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15567 pvInfoList[index-1].depth = depth;
15568 pvInfoList[index-1].score = score;
15569 pvInfoList[index-1].time = 10*time; // centi-sec
15570 if(*sep == '}') *sep = 0; else *--sep = '{';
15571 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15577 SendToProgram (char *message, ChessProgramState *cps)
15579 int count, outCount, error;
15582 if (cps->pr == NoProc) return;
15585 if (appData.debugMode) {
15588 fprintf(debugFP, "%ld >%-6s: %s",
15589 SubtractTimeMarks(&now, &programStartTime),
15590 cps->which, message);
15592 fprintf(serverFP, "%ld >%-6s: %s",
15593 SubtractTimeMarks(&now, &programStartTime),
15594 cps->which, message), fflush(serverFP);
15597 count = strlen(message);
15598 outCount = OutputToProcess(cps->pr, message, count, &error);
15599 if (outCount < count && !exiting
15600 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15601 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15602 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15603 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15604 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15605 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15606 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15607 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15609 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15610 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15611 gameInfo.result = res;
15613 gameInfo.resultDetails = StrSave(buf);
15615 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15616 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15621 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15625 ChessProgramState *cps = (ChessProgramState *)closure;
15627 if (isr != cps->isr) return; /* Killed intentionally */
15630 RemoveInputSource(cps->isr);
15631 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15632 _(cps->which), cps->program);
15633 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15634 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15635 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15636 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15637 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15638 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15640 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15641 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15642 gameInfo.result = res;
15644 gameInfo.resultDetails = StrSave(buf);
15646 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15647 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15649 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15650 _(cps->which), cps->program);
15651 RemoveInputSource(cps->isr);
15653 /* [AS] Program is misbehaving badly... kill it */
15654 if( count == -2 ) {
15655 DestroyChildProcess( cps->pr, 9 );
15659 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15664 if ((end_str = strchr(message, '\r')) != NULL)
15665 *end_str = NULLCHAR;
15666 if ((end_str = strchr(message, '\n')) != NULL)
15667 *end_str = NULLCHAR;
15669 if (appData.debugMode) {
15670 TimeMark now; int print = 1;
15671 char *quote = ""; char c; int i;
15673 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15674 char start = message[0];
15675 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15676 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15677 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15678 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15679 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15680 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15681 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15682 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15683 sscanf(message, "hint: %c", &c)!=1 &&
15684 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15685 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15686 print = (appData.engineComments >= 2);
15688 message[0] = start; // restore original message
15692 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15693 SubtractTimeMarks(&now, &programStartTime), cps->which,
15697 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15698 SubtractTimeMarks(&now, &programStartTime), cps->which,
15700 message), fflush(serverFP);
15704 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15705 if (appData.icsEngineAnalyze) {
15706 if (strstr(message, "whisper") != NULL ||
15707 strstr(message, "kibitz") != NULL ||
15708 strstr(message, "tellics") != NULL) return;
15711 HandleMachineMove(message, cps);
15716 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15721 if( timeControl_2 > 0 ) {
15722 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15723 tc = timeControl_2;
15726 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15727 inc /= cps->timeOdds;
15728 st /= cps->timeOdds;
15730 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15733 /* Set exact time per move, normally using st command */
15734 if (cps->stKludge) {
15735 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15737 if (seconds == 0) {
15738 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15740 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15743 snprintf(buf, MSG_SIZ, "st %d\n", st);
15746 /* Set conventional or incremental time control, using level command */
15747 if (seconds == 0) {
15748 /* Note old gnuchess bug -- minutes:seconds used to not work.
15749 Fixed in later versions, but still avoid :seconds
15750 when seconds is 0. */
15751 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15753 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15754 seconds, inc/1000.);
15757 SendToProgram(buf, cps);
15759 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15760 /* Orthogonally, limit search to given depth */
15762 if (cps->sdKludge) {
15763 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15765 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15767 SendToProgram(buf, cps);
15770 if(cps->nps >= 0) { /* [HGM] nps */
15771 if(cps->supportsNPS == FALSE)
15772 cps->nps = -1; // don't use if engine explicitly says not supported!
15774 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15775 SendToProgram(buf, cps);
15780 ChessProgramState *
15782 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15784 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15785 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15791 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15793 char message[MSG_SIZ];
15796 /* Note: this routine must be called when the clocks are stopped
15797 or when they have *just* been set or switched; otherwise
15798 it will be off by the time since the current tick started.
15800 if (machineWhite) {
15801 time = whiteTimeRemaining / 10;
15802 otime = blackTimeRemaining / 10;
15804 time = blackTimeRemaining / 10;
15805 otime = whiteTimeRemaining / 10;
15807 /* [HGM] translate opponent's time by time-odds factor */
15808 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15810 if (time <= 0) time = 1;
15811 if (otime <= 0) otime = 1;
15813 snprintf(message, MSG_SIZ, "time %ld\n", time);
15814 SendToProgram(message, cps);
15816 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15817 SendToProgram(message, cps);
15821 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15824 int len = strlen(name);
15827 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15829 sscanf(*p, "%d", &val);
15831 while (**p && **p != ' ')
15833 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15834 SendToProgram(buf, cps);
15841 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15844 int len = strlen(name);
15845 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15847 sscanf(*p, "%d", loc);
15848 while (**p && **p != ' ') (*p)++;
15849 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15850 SendToProgram(buf, cps);
15857 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15860 int len = strlen(name);
15861 if (strncmp((*p), name, len) == 0
15862 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15864 sscanf(*p, "%[^\"]", loc);
15865 while (**p && **p != '\"') (*p)++;
15866 if (**p == '\"') (*p)++;
15867 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15868 SendToProgram(buf, cps);
15875 ParseOption (Option *opt, ChessProgramState *cps)
15876 // [HGM] options: process the string that defines an engine option, and determine
15877 // name, type, default value, and allowed value range
15879 char *p, *q, buf[MSG_SIZ];
15880 int n, min = (-1)<<31, max = 1<<31, def;
15882 if(p = strstr(opt->name, " -spin ")) {
15883 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15884 if(max < min) max = min; // enforce consistency
15885 if(def < min) def = min;
15886 if(def > max) def = max;
15891 } else if((p = strstr(opt->name, " -slider "))) {
15892 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15893 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15894 if(max < min) max = min; // enforce consistency
15895 if(def < min) def = min;
15896 if(def > max) def = max;
15900 opt->type = Spin; // Slider;
15901 } else if((p = strstr(opt->name, " -string "))) {
15902 opt->textValue = p+9;
15903 opt->type = TextBox;
15904 } else if((p = strstr(opt->name, " -file "))) {
15905 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15906 opt->textValue = p+7;
15907 opt->type = FileName; // FileName;
15908 } else if((p = strstr(opt->name, " -path "))) {
15909 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15910 opt->textValue = p+7;
15911 opt->type = PathName; // PathName;
15912 } else if(p = strstr(opt->name, " -check ")) {
15913 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15914 opt->value = (def != 0);
15915 opt->type = CheckBox;
15916 } else if(p = strstr(opt->name, " -combo ")) {
15917 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15918 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15919 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15920 opt->value = n = 0;
15921 while(q = StrStr(q, " /// ")) {
15922 n++; *q = 0; // count choices, and null-terminate each of them
15924 if(*q == '*') { // remember default, which is marked with * prefix
15928 cps->comboList[cps->comboCnt++] = q;
15930 cps->comboList[cps->comboCnt++] = NULL;
15932 opt->type = ComboBox;
15933 } else if(p = strstr(opt->name, " -button")) {
15934 opt->type = Button;
15935 } else if(p = strstr(opt->name, " -save")) {
15936 opt->type = SaveButton;
15937 } else return FALSE;
15938 *p = 0; // terminate option name
15939 // now look if the command-line options define a setting for this engine option.
15940 if(cps->optionSettings && cps->optionSettings[0])
15941 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15942 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15943 snprintf(buf, MSG_SIZ, "option %s", p);
15944 if(p = strstr(buf, ",")) *p = 0;
15945 if(q = strchr(buf, '=')) switch(opt->type) {
15947 for(n=0; n<opt->max; n++)
15948 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15951 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15955 opt->value = atoi(q+1);
15960 SendToProgram(buf, cps);
15966 FeatureDone (ChessProgramState *cps, int val)
15968 DelayedEventCallback cb = GetDelayedEvent();
15969 if ((cb == InitBackEnd3 && cps == &first) ||
15970 (cb == SettingsMenuIfReady && cps == &second) ||
15971 (cb == LoadEngine) ||
15972 (cb == TwoMachinesEventIfReady)) {
15973 CancelDelayedEvent();
15974 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15976 cps->initDone = val;
15979 /* Parse feature command from engine */
15981 ParseFeatures (char *args, ChessProgramState *cps)
15989 while (*p == ' ') p++;
15990 if (*p == NULLCHAR) return;
15992 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15993 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15994 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15995 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15996 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15997 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15998 if (BoolFeature(&p, "reuse", &val, cps)) {
15999 /* Engine can disable reuse, but can't enable it if user said no */
16000 if (!val) cps->reuse = FALSE;
16003 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16004 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16005 if (gameMode == TwoMachinesPlay) {
16006 DisplayTwoMachinesTitle();
16012 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16013 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16014 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16015 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16016 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16017 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16018 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16019 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16020 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16021 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16022 if (IntFeature(&p, "done", &val, cps)) {
16023 FeatureDone(cps, val);
16026 /* Added by Tord: */
16027 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16028 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16029 /* End of additions by Tord */
16031 /* [HGM] added features: */
16032 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16033 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16034 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16035 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16036 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16037 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16038 if (StringFeature(&p, "option", buf, cps)) {
16039 FREE(cps->option[cps->nrOptions].name);
16040 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16041 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16042 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16043 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16044 SendToProgram(buf, cps);
16047 if(cps->nrOptions >= MAX_OPTIONS) {
16049 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16050 DisplayError(buf, 0);
16054 /* End of additions by HGM */
16056 /* unknown feature: complain and skip */
16058 while (*q && *q != '=') q++;
16059 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16060 SendToProgram(buf, cps);
16066 while (*p && *p != '\"') p++;
16067 if (*p == '\"') p++;
16069 while (*p && *p != ' ') p++;
16077 PeriodicUpdatesEvent (int newState)
16079 if (newState == appData.periodicUpdates)
16082 appData.periodicUpdates=newState;
16084 /* Display type changes, so update it now */
16085 // DisplayAnalysis();
16087 /* Get the ball rolling again... */
16089 AnalysisPeriodicEvent(1);
16090 StartAnalysisClock();
16095 PonderNextMoveEvent (int newState)
16097 if (newState == appData.ponderNextMove) return;
16098 if (gameMode == EditPosition) EditPositionDone(TRUE);
16100 SendToProgram("hard\n", &first);
16101 if (gameMode == TwoMachinesPlay) {
16102 SendToProgram("hard\n", &second);
16105 SendToProgram("easy\n", &first);
16106 thinkOutput[0] = NULLCHAR;
16107 if (gameMode == TwoMachinesPlay) {
16108 SendToProgram("easy\n", &second);
16111 appData.ponderNextMove = newState;
16115 NewSettingEvent (int option, int *feature, char *command, int value)
16119 if (gameMode == EditPosition) EditPositionDone(TRUE);
16120 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16121 if(feature == NULL || *feature) SendToProgram(buf, &first);
16122 if (gameMode == TwoMachinesPlay) {
16123 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16128 ShowThinkingEvent ()
16129 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16131 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16132 int newState = appData.showThinking
16133 // [HGM] thinking: other features now need thinking output as well
16134 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16136 if (oldState == newState) return;
16137 oldState = newState;
16138 if (gameMode == EditPosition) EditPositionDone(TRUE);
16140 SendToProgram("post\n", &first);
16141 if (gameMode == TwoMachinesPlay) {
16142 SendToProgram("post\n", &second);
16145 SendToProgram("nopost\n", &first);
16146 thinkOutput[0] = NULLCHAR;
16147 if (gameMode == TwoMachinesPlay) {
16148 SendToProgram("nopost\n", &second);
16151 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16155 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16157 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16158 if (pr == NoProc) return;
16159 AskQuestion(title, question, replyPrefix, pr);
16163 TypeInEvent (char firstChar)
16165 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16166 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16167 gameMode == AnalyzeMode || gameMode == EditGame ||
16168 gameMode == EditPosition || gameMode == IcsExamining ||
16169 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16170 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16171 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16172 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16173 gameMode == Training) PopUpMoveDialog(firstChar);
16177 TypeInDoneEvent (char *move)
16180 int n, fromX, fromY, toX, toY;
16182 ChessMove moveType;
16185 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16186 EditPositionPasteFEN(move);
16189 // [HGM] movenum: allow move number to be typed in any mode
16190 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16194 // undocumented kludge: allow command-line option to be typed in!
16195 // (potentially fatal, and does not implement the effect of the option.)
16196 // should only be used for options that are values on which future decisions will be made,
16197 // and definitely not on options that would be used during initialization.
16198 if(strstr(move, "!!! -") == move) {
16199 ParseArgsFromString(move+4);
16203 if (gameMode != EditGame && currentMove != forwardMostMove &&
16204 gameMode != Training) {
16205 DisplayMoveError(_("Displayed move is not current"));
16207 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16208 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16209 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16210 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16211 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16212 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16214 DisplayMoveError(_("Could not parse move"));
16220 DisplayMove (int moveNumber)
16222 char message[MSG_SIZ];
16224 char cpThinkOutput[MSG_SIZ];
16226 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16228 if (moveNumber == forwardMostMove - 1 ||
16229 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16231 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16233 if (strchr(cpThinkOutput, '\n')) {
16234 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16237 *cpThinkOutput = NULLCHAR;
16240 /* [AS] Hide thinking from human user */
16241 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16242 *cpThinkOutput = NULLCHAR;
16243 if( thinkOutput[0] != NULLCHAR ) {
16246 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16247 cpThinkOutput[i] = '.';
16249 cpThinkOutput[i] = NULLCHAR;
16250 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16254 if (moveNumber == forwardMostMove - 1 &&
16255 gameInfo.resultDetails != NULL) {
16256 if (gameInfo.resultDetails[0] == NULLCHAR) {
16257 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16259 snprintf(res, MSG_SIZ, " {%s} %s",
16260 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16266 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16267 DisplayMessage(res, cpThinkOutput);
16269 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16270 WhiteOnMove(moveNumber) ? " " : ".. ",
16271 parseList[moveNumber], res);
16272 DisplayMessage(message, cpThinkOutput);
16277 DisplayComment (int moveNumber, char *text)
16279 char title[MSG_SIZ];
16281 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16282 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16284 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16285 WhiteOnMove(moveNumber) ? " " : ".. ",
16286 parseList[moveNumber]);
16288 if (text != NULL && (appData.autoDisplayComment || commentUp))
16289 CommentPopUp(title, text);
16292 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16293 * might be busy thinking or pondering. It can be omitted if your
16294 * gnuchess is configured to stop thinking immediately on any user
16295 * input. However, that gnuchess feature depends on the FIONREAD
16296 * ioctl, which does not work properly on some flavors of Unix.
16299 Attention (ChessProgramState *cps)
16302 if (!cps->useSigint) return;
16303 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16304 switch (gameMode) {
16305 case MachinePlaysWhite:
16306 case MachinePlaysBlack:
16307 case TwoMachinesPlay:
16308 case IcsPlayingWhite:
16309 case IcsPlayingBlack:
16312 /* Skip if we know it isn't thinking */
16313 if (!cps->maybeThinking) return;
16314 if (appData.debugMode)
16315 fprintf(debugFP, "Interrupting %s\n", cps->which);
16316 InterruptChildProcess(cps->pr);
16317 cps->maybeThinking = FALSE;
16322 #endif /*ATTENTION*/
16328 if (whiteTimeRemaining <= 0) {
16331 if (appData.icsActive) {
16332 if (appData.autoCallFlag &&
16333 gameMode == IcsPlayingBlack && !blackFlag) {
16334 SendToICS(ics_prefix);
16335 SendToICS("flag\n");
16339 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16341 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16342 if (appData.autoCallFlag) {
16343 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16350 if (blackTimeRemaining <= 0) {
16353 if (appData.icsActive) {
16354 if (appData.autoCallFlag &&
16355 gameMode == IcsPlayingWhite && !whiteFlag) {
16356 SendToICS(ics_prefix);
16357 SendToICS("flag\n");
16361 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16363 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16364 if (appData.autoCallFlag) {
16365 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16376 CheckTimeControl ()
16378 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16379 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16382 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16384 if ( !WhiteOnMove(forwardMostMove) ) {
16385 /* White made time control */
16386 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16387 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16388 /* [HGM] time odds: correct new time quota for time odds! */
16389 / WhitePlayer()->timeOdds;
16390 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16392 lastBlack -= blackTimeRemaining;
16393 /* Black made time control */
16394 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16395 / WhitePlayer()->other->timeOdds;
16396 lastWhite = whiteTimeRemaining;
16401 DisplayBothClocks ()
16403 int wom = gameMode == EditPosition ?
16404 !blackPlaysFirst : WhiteOnMove(currentMove);
16405 DisplayWhiteClock(whiteTimeRemaining, wom);
16406 DisplayBlackClock(blackTimeRemaining, !wom);
16410 /* Timekeeping seems to be a portability nightmare. I think everyone
16411 has ftime(), but I'm really not sure, so I'm including some ifdefs
16412 to use other calls if you don't. Clocks will be less accurate if
16413 you have neither ftime nor gettimeofday.
16416 /* VS 2008 requires the #include outside of the function */
16417 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16418 #include <sys/timeb.h>
16421 /* Get the current time as a TimeMark */
16423 GetTimeMark (TimeMark *tm)
16425 #if HAVE_GETTIMEOFDAY
16427 struct timeval timeVal;
16428 struct timezone timeZone;
16430 gettimeofday(&timeVal, &timeZone);
16431 tm->sec = (long) timeVal.tv_sec;
16432 tm->ms = (int) (timeVal.tv_usec / 1000L);
16434 #else /*!HAVE_GETTIMEOFDAY*/
16437 // include <sys/timeb.h> / moved to just above start of function
16438 struct timeb timeB;
16441 tm->sec = (long) timeB.time;
16442 tm->ms = (int) timeB.millitm;
16444 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16445 tm->sec = (long) time(NULL);
16451 /* Return the difference in milliseconds between two
16452 time marks. We assume the difference will fit in a long!
16455 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16457 return 1000L*(tm2->sec - tm1->sec) +
16458 (long) (tm2->ms - tm1->ms);
16463 * Code to manage the game clocks.
16465 * In tournament play, black starts the clock and then white makes a move.
16466 * We give the human user a slight advantage if he is playing white---the
16467 * clocks don't run until he makes his first move, so it takes zero time.
16468 * Also, we don't account for network lag, so we could get out of sync
16469 * with GNU Chess's clock -- but then, referees are always right.
16472 static TimeMark tickStartTM;
16473 static long intendedTickLength;
16476 NextTickLength (long timeRemaining)
16478 long nominalTickLength, nextTickLength;
16480 if (timeRemaining > 0L && timeRemaining <= 10000L)
16481 nominalTickLength = 100L;
16483 nominalTickLength = 1000L;
16484 nextTickLength = timeRemaining % nominalTickLength;
16485 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16487 return nextTickLength;
16490 /* Adjust clock one minute up or down */
16492 AdjustClock (Boolean which, int dir)
16494 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16495 if(which) blackTimeRemaining += 60000*dir;
16496 else whiteTimeRemaining += 60000*dir;
16497 DisplayBothClocks();
16498 adjustedClock = TRUE;
16501 /* Stop clocks and reset to a fresh time control */
16505 (void) StopClockTimer();
16506 if (appData.icsActive) {
16507 whiteTimeRemaining = blackTimeRemaining = 0;
16508 } else if (searchTime) {
16509 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16510 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16511 } else { /* [HGM] correct new time quote for time odds */
16512 whiteTC = blackTC = fullTimeControlString;
16513 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16514 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16516 if (whiteFlag || blackFlag) {
16518 whiteFlag = blackFlag = FALSE;
16520 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16521 DisplayBothClocks();
16522 adjustedClock = FALSE;
16525 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16527 /* Decrement running clock by amount of time that has passed */
16531 long timeRemaining;
16532 long lastTickLength, fudge;
16535 if (!appData.clockMode) return;
16536 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16540 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16542 /* Fudge if we woke up a little too soon */
16543 fudge = intendedTickLength - lastTickLength;
16544 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16546 if (WhiteOnMove(forwardMostMove)) {
16547 if(whiteNPS >= 0) lastTickLength = 0;
16548 timeRemaining = whiteTimeRemaining -= lastTickLength;
16549 if(timeRemaining < 0 && !appData.icsActive) {
16550 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16551 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16552 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16553 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16556 DisplayWhiteClock(whiteTimeRemaining - fudge,
16557 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16559 if(blackNPS >= 0) lastTickLength = 0;
16560 timeRemaining = blackTimeRemaining -= lastTickLength;
16561 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16562 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16564 blackStartMove = forwardMostMove;
16565 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16568 DisplayBlackClock(blackTimeRemaining - fudge,
16569 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16571 if (CheckFlags()) return;
16573 if(twoBoards) { // count down secondary board's clocks as well
16574 activePartnerTime -= lastTickLength;
16576 if(activePartner == 'W')
16577 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16579 DisplayBlackClock(activePartnerTime, TRUE);
16584 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16585 StartClockTimer(intendedTickLength);
16587 /* if the time remaining has fallen below the alarm threshold, sound the
16588 * alarm. if the alarm has sounded and (due to a takeback or time control
16589 * with increment) the time remaining has increased to a level above the
16590 * threshold, reset the alarm so it can sound again.
16593 if (appData.icsActive && appData.icsAlarm) {
16595 /* make sure we are dealing with the user's clock */
16596 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16597 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16600 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16601 alarmSounded = FALSE;
16602 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16604 alarmSounded = TRUE;
16610 /* A player has just moved, so stop the previously running
16611 clock and (if in clock mode) start the other one.
16612 We redisplay both clocks in case we're in ICS mode, because
16613 ICS gives us an update to both clocks after every move.
16614 Note that this routine is called *after* forwardMostMove
16615 is updated, so the last fractional tick must be subtracted
16616 from the color that is *not* on move now.
16619 SwitchClocks (int newMoveNr)
16621 long lastTickLength;
16623 int flagged = FALSE;
16627 if (StopClockTimer() && appData.clockMode) {
16628 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16629 if (!WhiteOnMove(forwardMostMove)) {
16630 if(blackNPS >= 0) lastTickLength = 0;
16631 blackTimeRemaining -= lastTickLength;
16632 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16633 // if(pvInfoList[forwardMostMove].time == -1)
16634 pvInfoList[forwardMostMove].time = // use GUI time
16635 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16637 if(whiteNPS >= 0) lastTickLength = 0;
16638 whiteTimeRemaining -= lastTickLength;
16639 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16640 // if(pvInfoList[forwardMostMove].time == -1)
16641 pvInfoList[forwardMostMove].time =
16642 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16644 flagged = CheckFlags();
16646 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16647 CheckTimeControl();
16649 if (flagged || !appData.clockMode) return;
16651 switch (gameMode) {
16652 case MachinePlaysBlack:
16653 case MachinePlaysWhite:
16654 case BeginningOfGame:
16655 if (pausing) return;
16659 case PlayFromGameFile:
16667 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16668 if(WhiteOnMove(forwardMostMove))
16669 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16670 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16674 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16675 whiteTimeRemaining : blackTimeRemaining);
16676 StartClockTimer(intendedTickLength);
16680 /* Stop both clocks */
16684 long lastTickLength;
16687 if (!StopClockTimer()) return;
16688 if (!appData.clockMode) return;
16692 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16693 if (WhiteOnMove(forwardMostMove)) {
16694 if(whiteNPS >= 0) lastTickLength = 0;
16695 whiteTimeRemaining -= lastTickLength;
16696 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16698 if(blackNPS >= 0) lastTickLength = 0;
16699 blackTimeRemaining -= lastTickLength;
16700 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16705 /* Start clock of player on move. Time may have been reset, so
16706 if clock is already running, stop and restart it. */
16710 (void) StopClockTimer(); /* in case it was running already */
16711 DisplayBothClocks();
16712 if (CheckFlags()) return;
16714 if (!appData.clockMode) return;
16715 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16717 GetTimeMark(&tickStartTM);
16718 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16719 whiteTimeRemaining : blackTimeRemaining);
16721 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16722 whiteNPS = blackNPS = -1;
16723 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16724 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16725 whiteNPS = first.nps;
16726 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16727 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16728 blackNPS = first.nps;
16729 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16730 whiteNPS = second.nps;
16731 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16732 blackNPS = second.nps;
16733 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16735 StartClockTimer(intendedTickLength);
16739 TimeString (long ms)
16741 long second, minute, hour, day;
16743 static char buf[32];
16745 if (ms > 0 && ms <= 9900) {
16746 /* convert milliseconds to tenths, rounding up */
16747 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16749 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16753 /* convert milliseconds to seconds, rounding up */
16754 /* use floating point to avoid strangeness of integer division
16755 with negative dividends on many machines */
16756 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16763 day = second / (60 * 60 * 24);
16764 second = second % (60 * 60 * 24);
16765 hour = second / (60 * 60);
16766 second = second % (60 * 60);
16767 minute = second / 60;
16768 second = second % 60;
16771 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16772 sign, day, hour, minute, second);
16774 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16776 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16783 * This is necessary because some C libraries aren't ANSI C compliant yet.
16786 StrStr (char *string, char *match)
16790 length = strlen(match);
16792 for (i = strlen(string) - length; i >= 0; i--, string++)
16793 if (!strncmp(match, string, length))
16800 StrCaseStr (char *string, char *match)
16804 length = strlen(match);
16806 for (i = strlen(string) - length; i >= 0; i--, string++) {
16807 for (j = 0; j < length; j++) {
16808 if (ToLower(match[j]) != ToLower(string[j]))
16811 if (j == length) return string;
16819 StrCaseCmp (char *s1, char *s2)
16824 c1 = ToLower(*s1++);
16825 c2 = ToLower(*s2++);
16826 if (c1 > c2) return 1;
16827 if (c1 < c2) return -1;
16828 if (c1 == NULLCHAR) return 0;
16836 return isupper(c) ? tolower(c) : c;
16843 return islower(c) ? toupper(c) : c;
16845 #endif /* !_amigados */
16852 if ((ret = (char *) malloc(strlen(s) + 1)))
16854 safeStrCpy(ret, s, strlen(s)+1);
16860 StrSavePtr (char *s, char **savePtr)
16865 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16866 safeStrCpy(*savePtr, s, strlen(s)+1);
16878 clock = time((time_t *)NULL);
16879 tm = localtime(&clock);
16880 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16881 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16882 return StrSave(buf);
16887 PositionToFEN (int move, char *overrideCastling)
16889 int i, j, fromX, fromY, toX, toY;
16896 whiteToPlay = (gameMode == EditPosition) ?
16897 !blackPlaysFirst : (move % 2 == 0);
16900 /* Piece placement data */
16901 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16902 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16904 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16905 if (boards[move][i][j] == EmptySquare) {
16907 } else { ChessSquare piece = boards[move][i][j];
16908 if (emptycount > 0) {
16909 if(emptycount<10) /* [HGM] can be >= 10 */
16910 *p++ = '0' + emptycount;
16911 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16914 if(PieceToChar(piece) == '+') {
16915 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16917 piece = (ChessSquare)(DEMOTED piece);
16919 *p++ = PieceToChar(piece);
16921 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16922 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16927 if (emptycount > 0) {
16928 if(emptycount<10) /* [HGM] can be >= 10 */
16929 *p++ = '0' + emptycount;
16930 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16937 /* [HGM] print Crazyhouse or Shogi holdings */
16938 if( gameInfo.holdingsWidth ) {
16939 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16941 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16942 piece = boards[move][i][BOARD_WIDTH-1];
16943 if( piece != EmptySquare )
16944 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16945 *p++ = PieceToChar(piece);
16947 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16948 piece = boards[move][BOARD_HEIGHT-i-1][0];
16949 if( piece != EmptySquare )
16950 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16951 *p++ = PieceToChar(piece);
16954 if( q == p ) *p++ = '-';
16960 *p++ = whiteToPlay ? 'w' : 'b';
16963 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16964 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16966 if(nrCastlingRights) {
16968 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16969 /* [HGM] write directly from rights */
16970 if(boards[move][CASTLING][2] != NoRights &&
16971 boards[move][CASTLING][0] != NoRights )
16972 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16973 if(boards[move][CASTLING][2] != NoRights &&
16974 boards[move][CASTLING][1] != NoRights )
16975 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16976 if(boards[move][CASTLING][5] != NoRights &&
16977 boards[move][CASTLING][3] != NoRights )
16978 *p++ = boards[move][CASTLING][3] + AAA;
16979 if(boards[move][CASTLING][5] != NoRights &&
16980 boards[move][CASTLING][4] != NoRights )
16981 *p++ = boards[move][CASTLING][4] + AAA;
16984 /* [HGM] write true castling rights */
16985 if( nrCastlingRights == 6 ) {
16987 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16988 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16989 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16990 boards[move][CASTLING][2] != NoRights );
16991 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16992 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16993 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16994 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
16995 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
16999 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17000 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17001 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17002 boards[move][CASTLING][5] != NoRights );
17003 if(gameInfo.variant == VariantSChess) {
17004 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17005 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17006 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17007 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17012 if (q == p) *p++ = '-'; /* No castling rights */
17016 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17017 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17018 /* En passant target square */
17019 if (move > backwardMostMove) {
17020 fromX = moveList[move - 1][0] - AAA;
17021 fromY = moveList[move - 1][1] - ONE;
17022 toX = moveList[move - 1][2] - AAA;
17023 toY = moveList[move - 1][3] - ONE;
17024 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17025 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17026 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17028 /* 2-square pawn move just happened */
17030 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17034 } else if(move == backwardMostMove) {
17035 // [HGM] perhaps we should always do it like this, and forget the above?
17036 if((signed char)boards[move][EP_STATUS] >= 0) {
17037 *p++ = boards[move][EP_STATUS] + AAA;
17038 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17049 /* [HGM] find reversible plies */
17050 { int i = 0, j=move;
17052 if (appData.debugMode) { int k;
17053 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17054 for(k=backwardMostMove; k<=forwardMostMove; k++)
17055 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17059 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17060 if( j == backwardMostMove ) i += initialRulePlies;
17061 sprintf(p, "%d ", i);
17062 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17064 /* Fullmove number */
17065 sprintf(p, "%d", (move / 2) + 1);
17067 return StrSave(buf);
17071 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17075 int emptycount, virgin[BOARD_FILES];
17080 /* [HGM] by default clear Crazyhouse holdings, if present */
17081 if(gameInfo.holdingsWidth) {
17082 for(i=0; i<BOARD_HEIGHT; i++) {
17083 board[i][0] = EmptySquare; /* black holdings */
17084 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17085 board[i][1] = (ChessSquare) 0; /* black counts */
17086 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17090 /* Piece placement data */
17091 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17094 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17095 if (*p == '/') p++;
17096 emptycount = gameInfo.boardWidth - j;
17097 while (emptycount--)
17098 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17100 #if(BOARD_FILES >= 10)
17101 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17102 p++; emptycount=10;
17103 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17104 while (emptycount--)
17105 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17107 } else if (isdigit(*p)) {
17108 emptycount = *p++ - '0';
17109 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17110 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17111 while (emptycount--)
17112 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17113 } else if (*p == '+' || isalpha(*p)) {
17114 if (j >= gameInfo.boardWidth) return FALSE;
17116 piece = CharToPiece(*++p);
17117 if(piece == EmptySquare) return FALSE; /* unknown piece */
17118 piece = (ChessSquare) (PROMOTED piece ); p++;
17119 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17120 } else piece = CharToPiece(*p++);
17122 if(piece==EmptySquare) return FALSE; /* unknown piece */
17123 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17124 piece = (ChessSquare) (PROMOTED piece);
17125 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17128 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17134 while (*p == '/' || *p == ' ') p++;
17136 /* [HGM] look for Crazyhouse holdings here */
17137 while(*p==' ') p++;
17138 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17140 if(*p == '-' ) p++; /* empty holdings */ else {
17141 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17142 /* if we would allow FEN reading to set board size, we would */
17143 /* have to add holdings and shift the board read so far here */
17144 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17146 if((int) piece >= (int) BlackPawn ) {
17147 i = (int)piece - (int)BlackPawn;
17148 i = PieceToNumber((ChessSquare)i);
17149 if( i >= gameInfo.holdingsSize ) return FALSE;
17150 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17151 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17153 i = (int)piece - (int)WhitePawn;
17154 i = PieceToNumber((ChessSquare)i);
17155 if( i >= gameInfo.holdingsSize ) return FALSE;
17156 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17157 board[i][BOARD_WIDTH-2]++; /* black holdings */
17164 while(*p == ' ') p++;
17168 if(appData.colorNickNames) {
17169 if( c == appData.colorNickNames[0] ) c = 'w'; else
17170 if( c == appData.colorNickNames[1] ) c = 'b';
17174 *blackPlaysFirst = FALSE;
17177 *blackPlaysFirst = TRUE;
17183 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17184 /* return the extra info in global variiables */
17186 /* set defaults in case FEN is incomplete */
17187 board[EP_STATUS] = EP_UNKNOWN;
17188 for(i=0; i<nrCastlingRights; i++ ) {
17189 board[CASTLING][i] =
17190 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17191 } /* assume possible unless obviously impossible */
17192 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17193 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17194 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17195 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17196 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17197 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17198 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17199 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17202 while(*p==' ') p++;
17203 if(nrCastlingRights) {
17204 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17205 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17206 /* castling indicator present, so default becomes no castlings */
17207 for(i=0; i<nrCastlingRights; i++ ) {
17208 board[CASTLING][i] = NoRights;
17211 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17212 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17213 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17214 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17215 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17217 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17218 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17219 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17221 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17222 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17223 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17224 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17225 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17226 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17229 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17230 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17231 board[CASTLING][2] = whiteKingFile;
17232 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17233 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17236 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17237 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17238 board[CASTLING][2] = whiteKingFile;
17239 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17240 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17243 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17244 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17245 board[CASTLING][5] = blackKingFile;
17246 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17247 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17250 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17251 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17252 board[CASTLING][5] = blackKingFile;
17253 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17254 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17257 default: /* FRC castlings */
17258 if(c >= 'a') { /* black rights */
17259 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17260 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17261 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17262 if(i == BOARD_RGHT) break;
17263 board[CASTLING][5] = i;
17265 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17266 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17268 board[CASTLING][3] = c;
17270 board[CASTLING][4] = c;
17271 } else { /* white rights */
17272 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17273 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17274 if(board[0][i] == WhiteKing) break;
17275 if(i == BOARD_RGHT) break;
17276 board[CASTLING][2] = i;
17277 c -= AAA - 'a' + 'A';
17278 if(board[0][c] >= WhiteKing) break;
17280 board[CASTLING][0] = c;
17282 board[CASTLING][1] = c;
17286 for(i=0; i<nrCastlingRights; i++)
17287 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17288 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17289 if (appData.debugMode) {
17290 fprintf(debugFP, "FEN castling rights:");
17291 for(i=0; i<nrCastlingRights; i++)
17292 fprintf(debugFP, " %d", board[CASTLING][i]);
17293 fprintf(debugFP, "\n");
17296 while(*p==' ') p++;
17299 /* read e.p. field in games that know e.p. capture */
17300 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17301 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17303 p++; board[EP_STATUS] = EP_NONE;
17305 char c = *p++ - AAA;
17307 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17308 if(*p >= '0' && *p <='9') p++;
17309 board[EP_STATUS] = c;
17314 if(sscanf(p, "%d", &i) == 1) {
17315 FENrulePlies = i; /* 50-move ply counter */
17316 /* (The move number is still ignored) */
17323 EditPositionPasteFEN (char *fen)
17326 Board initial_position;
17328 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17329 DisplayError(_("Bad FEN position in clipboard"), 0);
17332 int savedBlackPlaysFirst = blackPlaysFirst;
17333 EditPositionEvent();
17334 blackPlaysFirst = savedBlackPlaysFirst;
17335 CopyBoard(boards[0], initial_position);
17336 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17337 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17338 DisplayBothClocks();
17339 DrawPosition(FALSE, boards[currentMove]);
17344 static char cseq[12] = "\\ ";
17347 set_cont_sequence (char *new_seq)
17352 // handle bad attempts to set the sequence
17354 return 0; // acceptable error - no debug
17356 len = strlen(new_seq);
17357 ret = (len > 0) && (len < sizeof(cseq));
17359 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17360 else if (appData.debugMode)
17361 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17366 reformat a source message so words don't cross the width boundary. internal
17367 newlines are not removed. returns the wrapped size (no null character unless
17368 included in source message). If dest is NULL, only calculate the size required
17369 for the dest buffer. lp argument indicats line position upon entry, and it's
17370 passed back upon exit.
17373 wrap (char *dest, char *src, int count, int width, int *lp)
17375 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17377 cseq_len = strlen(cseq);
17378 old_line = line = *lp;
17379 ansi = len = clen = 0;
17381 for (i=0; i < count; i++)
17383 if (src[i] == '\033')
17386 // if we hit the width, back up
17387 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17389 // store i & len in case the word is too long
17390 old_i = i, old_len = len;
17392 // find the end of the last word
17393 while (i && src[i] != ' ' && src[i] != '\n')
17399 // word too long? restore i & len before splitting it
17400 if ((old_i-i+clen) >= width)
17407 if (i && src[i-1] == ' ')
17410 if (src[i] != ' ' && src[i] != '\n')
17417 // now append the newline and continuation sequence
17422 strncpy(dest+len, cseq, cseq_len);
17430 dest[len] = src[i];
17434 if (src[i] == '\n')
17439 if (dest && appData.debugMode)
17441 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17442 count, width, line, len, *lp);
17443 show_bytes(debugFP, src, count);
17444 fprintf(debugFP, "\ndest: ");
17445 show_bytes(debugFP, dest, len);
17446 fprintf(debugFP, "\n");
17448 *lp = dest ? line : old_line;
17453 // [HGM] vari: routines for shelving variations
17454 Boolean modeRestore = FALSE;
17457 PushInner (int firstMove, int lastMove)
17459 int i, j, nrMoves = lastMove - firstMove;
17461 // push current tail of game on stack
17462 savedResult[storedGames] = gameInfo.result;
17463 savedDetails[storedGames] = gameInfo.resultDetails;
17464 gameInfo.resultDetails = NULL;
17465 savedFirst[storedGames] = firstMove;
17466 savedLast [storedGames] = lastMove;
17467 savedFramePtr[storedGames] = framePtr;
17468 framePtr -= nrMoves; // reserve space for the boards
17469 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17470 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17471 for(j=0; j<MOVE_LEN; j++)
17472 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17473 for(j=0; j<2*MOVE_LEN; j++)
17474 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17475 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17476 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17477 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17478 pvInfoList[firstMove+i-1].depth = 0;
17479 commentList[framePtr+i] = commentList[firstMove+i];
17480 commentList[firstMove+i] = NULL;
17484 forwardMostMove = firstMove; // truncate game so we can start variation
17488 PushTail (int firstMove, int lastMove)
17490 if(appData.icsActive) { // only in local mode
17491 forwardMostMove = currentMove; // mimic old ICS behavior
17494 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17496 PushInner(firstMove, lastMove);
17497 if(storedGames == 1) GreyRevert(FALSE);
17498 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17502 PopInner (Boolean annotate)
17505 char buf[8000], moveBuf[20];
17507 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17508 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17509 nrMoves = savedLast[storedGames] - currentMove;
17512 if(!WhiteOnMove(currentMove))
17513 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17514 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17515 for(i=currentMove; i<forwardMostMove; i++) {
17517 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17518 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17519 strcat(buf, moveBuf);
17520 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17521 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17525 for(i=1; i<=nrMoves; i++) { // copy last variation back
17526 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17527 for(j=0; j<MOVE_LEN; j++)
17528 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17529 for(j=0; j<2*MOVE_LEN; j++)
17530 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17531 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17532 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17533 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17534 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17535 commentList[currentMove+i] = commentList[framePtr+i];
17536 commentList[framePtr+i] = NULL;
17538 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17539 framePtr = savedFramePtr[storedGames];
17540 gameInfo.result = savedResult[storedGames];
17541 if(gameInfo.resultDetails != NULL) {
17542 free(gameInfo.resultDetails);
17544 gameInfo.resultDetails = savedDetails[storedGames];
17545 forwardMostMove = currentMove + nrMoves;
17549 PopTail (Boolean annotate)
17551 if(appData.icsActive) return FALSE; // only in local mode
17552 if(!storedGames) return FALSE; // sanity
17553 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17555 PopInner(annotate);
17556 if(currentMove < forwardMostMove) ForwardEvent(); else
17557 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17559 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17565 { // remove all shelved variations
17567 for(i=0; i<storedGames; i++) {
17568 if(savedDetails[i])
17569 free(savedDetails[i]);
17570 savedDetails[i] = NULL;
17572 for(i=framePtr; i<MAX_MOVES; i++) {
17573 if(commentList[i]) free(commentList[i]);
17574 commentList[i] = NULL;
17576 framePtr = MAX_MOVES-1;
17581 LoadVariation (int index, char *text)
17582 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17583 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17584 int level = 0, move;
17586 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17587 // first find outermost bracketing variation
17588 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17589 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17590 if(*p == '{') wait = '}'; else
17591 if(*p == '[') wait = ']'; else
17592 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17593 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17595 if(*p == wait) wait = NULLCHAR; // closing ]} found
17598 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17599 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17600 end[1] = NULLCHAR; // clip off comment beyond variation
17601 ToNrEvent(currentMove-1);
17602 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17603 // kludge: use ParsePV() to append variation to game
17604 move = currentMove;
17605 ParsePV(start, TRUE, TRUE);
17606 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17607 ClearPremoveHighlights();
17609 ToNrEvent(currentMove+1);
17615 char *p, *q, buf[MSG_SIZ];
17616 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17617 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17618 ParseArgsFromString(buf);
17619 ActivateTheme(TRUE); // also redo colors
17623 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17626 q = appData.themeNames;
17627 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17628 if(appData.useBitmaps) {
17629 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17630 appData.liteBackTextureFile, appData.darkBackTextureFile,
17631 appData.liteBackTextureMode,
17632 appData.darkBackTextureMode );
17634 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17635 Col2Text(2), // lightSquareColor
17636 Col2Text(3) ); // darkSquareColor
17638 if(appData.useBorder) {
17639 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17642 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17644 if(appData.useFont) {
17645 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17646 appData.renderPiecesWithFont,
17647 appData.fontToPieceTable,
17648 Col2Text(9), // appData.fontBackColorWhite
17649 Col2Text(10) ); // appData.fontForeColorBlack
17651 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17652 appData.pieceDirectory);
17653 if(!appData.pieceDirectory[0])
17654 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17655 Col2Text(0), // whitePieceColor
17656 Col2Text(1) ); // blackPieceColor
17658 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17659 Col2Text(4), // highlightSquareColor
17660 Col2Text(5) ); // premoveHighlightColor
17661 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17662 if(insert != q) insert[-1] = NULLCHAR;
17663 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17666 ActivateTheme(FALSE);