2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012, 2013 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
132 #include "evalgraph.h"
136 # define _(s) gettext (s)
137 # define N_(s) gettext_noop (s)
138 # define T_(s) gettext(s)
151 int establish P((void));
152 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
153 char *buf, int count, int error));
154 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
155 char *buf, int count, int error));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
225 static void ExcludeClick P((int index));
226 void ToggleSecond P((void));
227 void PauseEngine P((ChessProgramState *cps));
230 extern void ConsoleCreate();
233 ChessProgramState *WhitePlayer();
234 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
235 int VerifyDisplayMode P(());
237 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
238 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
239 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
240 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
241 void ics_update_width P((int new_width));
242 extern char installDir[MSG_SIZ];
243 VariantClass startVariant; /* [HGM] nicks: initial variant */
246 extern int tinyLayout, smallLayout;
247 ChessProgramStats programStats;
248 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
250 static int exiting = 0; /* [HGM] moved to top */
251 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
252 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
253 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
254 int partnerHighlight[2];
255 Boolean partnerBoardValid = 0;
256 char partnerStatus[MSG_SIZ];
258 Boolean originalFlip;
259 Boolean twoBoards = 0;
260 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
261 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
262 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
263 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
264 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
265 int opponentKibitzes;
266 int lastSavedGame; /* [HGM] save: ID of game */
267 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
268 extern int chatCount;
270 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
271 char lastMsg[MSG_SIZ];
272 ChessSquare pieceSweep = EmptySquare;
273 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
274 int promoDefaultAltered;
275 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
277 /* States for ics_getting_history */
279 #define H_REQUESTED 1
280 #define H_GOT_REQ_HEADER 2
281 #define H_GOT_UNREQ_HEADER 3
282 #define H_GETTING_MOVES 4
283 #define H_GOT_UNWANTED_HEADER 5
285 /* whosays values for GameEnds */
294 /* Maximum number of games in a cmail message */
295 #define CMAIL_MAX_GAMES 20
297 /* Different types of move when calling RegisterMove */
299 #define CMAIL_RESIGN 1
301 #define CMAIL_ACCEPT 3
303 /* Different types of result to remember for each game */
304 #define CMAIL_NOT_RESULT 0
305 #define CMAIL_OLD_RESULT 1
306 #define CMAIL_NEW_RESULT 2
308 /* Telnet protocol constants */
319 safeStrCpy (char *dst, const char *src, size_t count)
322 assert( dst != NULL );
323 assert( src != NULL );
326 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
327 if( i == count && dst[count-1] != NULLCHAR)
329 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
330 if(appData.debugMode)
331 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
337 /* Some compiler can't cast u64 to double
338 * This function do the job for us:
340 * We use the highest bit for cast, this only
341 * works if the highest bit is not
342 * in use (This should not happen)
344 * We used this for all compiler
347 u64ToDouble (u64 value)
350 u64 tmp = value & u64Const(0x7fffffffffffffff);
351 r = (double)(s64)tmp;
352 if (value & u64Const(0x8000000000000000))
353 r += 9.2233720368547758080e18; /* 2^63 */
357 /* Fake up flags for now, as we aren't keeping track of castling
358 availability yet. [HGM] Change of logic: the flag now only
359 indicates the type of castlings allowed by the rule of the game.
360 The actual rights themselves are maintained in the array
361 castlingRights, as part of the game history, and are not probed
367 int flags = F_ALL_CASTLE_OK;
368 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
369 switch (gameInfo.variant) {
371 flags &= ~F_ALL_CASTLE_OK;
372 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
373 flags |= F_IGNORE_CHECK;
375 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
378 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
380 case VariantKriegspiel:
381 flags |= F_KRIEGSPIEL_CAPTURE;
383 case VariantCapaRandom:
384 case VariantFischeRandom:
385 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
386 case VariantNoCastle:
387 case VariantShatranj:
391 flags &= ~F_ALL_CASTLE_OK;
399 FILE *gameFileFP, *debugFP, *serverFP;
400 char *currentDebugFile; // [HGM] debug split: to remember name
403 [AS] Note: sometimes, the sscanf() function is used to parse the input
404 into a fixed-size buffer. Because of this, we must be prepared to
405 receive strings as long as the size of the input buffer, which is currently
406 set to 4K for Windows and 8K for the rest.
407 So, we must either allocate sufficiently large buffers here, or
408 reduce the size of the input buffer in the input reading part.
411 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
412 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
413 char thinkOutput1[MSG_SIZ*10];
415 ChessProgramState first, second, pairing;
417 /* premove variables */
420 int premoveFromX = 0;
421 int premoveFromY = 0;
422 int premovePromoChar = 0;
424 Boolean alarmSounded;
425 /* end premove variables */
427 char *ics_prefix = "$";
428 enum ICS_TYPE ics_type = ICS_GENERIC;
430 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
431 int pauseExamForwardMostMove = 0;
432 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
433 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
434 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
435 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
436 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
437 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
438 int whiteFlag = FALSE, blackFlag = FALSE;
439 int userOfferedDraw = FALSE;
440 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
441 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
442 int cmailMoveType[CMAIL_MAX_GAMES];
443 long ics_clock_paused = 0;
444 ProcRef icsPR = NoProc, cmailPR = NoProc;
445 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
446 GameMode gameMode = BeginningOfGame;
447 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
448 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
449 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
450 int hiddenThinkOutputState = 0; /* [AS] */
451 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
452 int adjudicateLossPlies = 6;
453 char white_holding[64], black_holding[64];
454 TimeMark lastNodeCountTime;
455 long lastNodeCount=0;
456 int shiftKey, controlKey; // [HGM] set by mouse handler
458 int have_sent_ICS_logon = 0;
460 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
461 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
462 Boolean adjustedClock;
463 long timeControl_2; /* [AS] Allow separate time controls */
464 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
465 long timeRemaining[2][MAX_MOVES];
466 int matchGame = 0, nextGame = 0, roundNr = 0;
467 Boolean waitingForGame = FALSE;
468 TimeMark programStartTime, pauseStart;
469 char ics_handle[MSG_SIZ];
470 int have_set_title = 0;
472 /* animateTraining preserves the state of appData.animate
473 * when Training mode is activated. This allows the
474 * response to be animated when appData.animate == TRUE and
475 * appData.animateDragging == TRUE.
477 Boolean animateTraining;
483 Board boards[MAX_MOVES];
484 /* [HGM] Following 7 needed for accurate legality tests: */
485 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
486 signed char initialRights[BOARD_FILES];
487 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
488 int initialRulePlies, FENrulePlies;
489 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
491 Boolean shuffleOpenings;
492 int mute; // mute all sounds
494 // [HGM] vari: next 12 to save and restore variations
495 #define MAX_VARIATIONS 10
496 int framePtr = MAX_MOVES-1; // points to free stack entry
498 int savedFirst[MAX_VARIATIONS];
499 int savedLast[MAX_VARIATIONS];
500 int savedFramePtr[MAX_VARIATIONS];
501 char *savedDetails[MAX_VARIATIONS];
502 ChessMove savedResult[MAX_VARIATIONS];
504 void PushTail P((int firstMove, int lastMove));
505 Boolean PopTail P((Boolean annotate));
506 void PushInner P((int firstMove, int lastMove));
507 void PopInner P((Boolean annotate));
508 void CleanupTail P((void));
510 ChessSquare FIDEArray[2][BOARD_FILES] = {
511 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
512 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
513 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
514 BlackKing, BlackBishop, BlackKnight, BlackRook }
517 ChessSquare twoKingsArray[2][BOARD_FILES] = {
518 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
519 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
520 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
521 BlackKing, BlackKing, BlackKnight, BlackRook }
524 ChessSquare KnightmateArray[2][BOARD_FILES] = {
525 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
526 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
527 { BlackRook, BlackMan, BlackBishop, BlackQueen,
528 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
531 ChessSquare SpartanArray[2][BOARD_FILES] = {
532 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
533 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
534 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
535 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
538 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
539 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
540 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
541 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
542 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
545 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
546 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
547 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
548 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
549 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
552 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
553 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
554 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
555 { BlackRook, BlackKnight, BlackMan, BlackFerz,
556 BlackKing, BlackMan, BlackKnight, BlackRook }
560 #if (BOARD_FILES>=10)
561 ChessSquare ShogiArray[2][BOARD_FILES] = {
562 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
563 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
564 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
565 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
568 ChessSquare XiangqiArray[2][BOARD_FILES] = {
569 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
570 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
571 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
572 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
575 ChessSquare CapablancaArray[2][BOARD_FILES] = {
576 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
577 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
578 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
579 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
582 ChessSquare GreatArray[2][BOARD_FILES] = {
583 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
584 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
585 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
586 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
589 ChessSquare JanusArray[2][BOARD_FILES] = {
590 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
591 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
592 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
593 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
596 ChessSquare GrandArray[2][BOARD_FILES] = {
597 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
598 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
599 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
600 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
604 ChessSquare GothicArray[2][BOARD_FILES] = {
605 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
606 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
607 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
608 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
611 #define GothicArray CapablancaArray
615 ChessSquare FalconArray[2][BOARD_FILES] = {
616 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
617 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
618 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
619 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
622 #define FalconArray CapablancaArray
625 #else // !(BOARD_FILES>=10)
626 #define XiangqiPosition FIDEArray
627 #define CapablancaArray FIDEArray
628 #define GothicArray FIDEArray
629 #define GreatArray FIDEArray
630 #endif // !(BOARD_FILES>=10)
632 #if (BOARD_FILES>=12)
633 ChessSquare CourierArray[2][BOARD_FILES] = {
634 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
635 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
636 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
637 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
639 #else // !(BOARD_FILES>=12)
640 #define CourierArray CapablancaArray
641 #endif // !(BOARD_FILES>=12)
644 Board initialPosition;
647 /* Convert str to a rating. Checks for special cases of "----",
649 "++++", etc. Also strips ()'s */
651 string_to_rating (char *str)
653 while(*str && !isdigit(*str)) ++str;
655 return 0; /* One of the special "no rating" cases */
663 /* Init programStats */
664 programStats.movelist[0] = 0;
665 programStats.depth = 0;
666 programStats.nr_moves = 0;
667 programStats.moves_left = 0;
668 programStats.nodes = 0;
669 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
670 programStats.score = 0;
671 programStats.got_only_move = 0;
672 programStats.got_fail = 0;
673 programStats.line_is_book = 0;
678 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
679 if (appData.firstPlaysBlack) {
680 first.twoMachinesColor = "black\n";
681 second.twoMachinesColor = "white\n";
683 first.twoMachinesColor = "white\n";
684 second.twoMachinesColor = "black\n";
687 first.other = &second;
688 second.other = &first;
691 if(appData.timeOddsMode) {
692 norm = appData.timeOdds[0];
693 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
695 first.timeOdds = appData.timeOdds[0]/norm;
696 second.timeOdds = appData.timeOdds[1]/norm;
699 if(programVersion) free(programVersion);
700 if (appData.noChessProgram) {
701 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
702 sprintf(programVersion, "%s", PACKAGE_STRING);
704 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
705 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
706 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
711 UnloadEngine (ChessProgramState *cps)
713 /* Kill off first chess program */
714 if (cps->isr != NULL)
715 RemoveInputSource(cps->isr);
718 if (cps->pr != NoProc) {
720 DoSleep( appData.delayBeforeQuit );
721 SendToProgram("quit\n", cps);
722 DoSleep( appData.delayAfterQuit );
723 DestroyChildProcess(cps->pr, cps->useSigterm);
726 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
730 ClearOptions (ChessProgramState *cps)
733 cps->nrOptions = cps->comboCnt = 0;
734 for(i=0; i<MAX_OPTIONS; i++) {
735 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
736 cps->option[i].textValue = 0;
740 char *engineNames[] = {
741 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
742 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
744 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
745 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
750 InitEngine (ChessProgramState *cps, int n)
751 { // [HGM] all engine initialiation put in a function that does one engine
755 cps->which = engineNames[n];
756 cps->maybeThinking = FALSE;
760 cps->sendDrawOffers = 1;
762 cps->program = appData.chessProgram[n];
763 cps->host = appData.host[n];
764 cps->dir = appData.directory[n];
765 cps->initString = appData.engInitString[n];
766 cps->computerString = appData.computerString[n];
767 cps->useSigint = TRUE;
768 cps->useSigterm = TRUE;
769 cps->reuse = appData.reuse[n];
770 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
771 cps->useSetboard = FALSE;
773 cps->usePing = FALSE;
776 cps->usePlayother = FALSE;
777 cps->useColors = TRUE;
778 cps->useUsermove = FALSE;
779 cps->sendICS = FALSE;
780 cps->sendName = appData.icsActive;
781 cps->sdKludge = FALSE;
782 cps->stKludge = FALSE;
783 TidyProgramName(cps->program, cps->host, cps->tidy);
785 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
786 cps->analysisSupport = 2; /* detect */
787 cps->analyzing = FALSE;
788 cps->initDone = FALSE;
791 /* New features added by Tord: */
792 cps->useFEN960 = FALSE;
793 cps->useOOCastle = TRUE;
794 /* End of new features added by Tord. */
795 cps->fenOverride = appData.fenOverride[n];
797 /* [HGM] time odds: set factor for each machine */
798 cps->timeOdds = appData.timeOdds[n];
800 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
801 cps->accumulateTC = appData.accumulateTC[n];
802 cps->maxNrOfSessions = 1;
807 cps->supportsNPS = UNKNOWN;
808 cps->memSize = FALSE;
809 cps->maxCores = FALSE;
810 cps->egtFormats[0] = NULLCHAR;
813 cps->optionSettings = appData.engOptions[n];
815 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
816 cps->isUCI = appData.isUCI[n]; /* [AS] */
817 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
819 if (appData.protocolVersion[n] > PROTOVER
820 || appData.protocolVersion[n] < 1)
825 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
826 appData.protocolVersion[n]);
827 if( (len >= MSG_SIZ) && appData.debugMode )
828 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
830 DisplayFatalError(buf, 0, 2);
834 cps->protocolVersion = appData.protocolVersion[n];
837 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
838 ParseFeatures(appData.featureDefaults, cps);
841 ChessProgramState *savCps;
849 if(WaitForEngine(savCps, LoadEngine)) return;
850 CommonEngineInit(); // recalculate time odds
851 if(gameInfo.variant != StringToVariant(appData.variant)) {
852 // we changed variant when loading the engine; this forces us to reset
853 Reset(TRUE, savCps != &first);
854 oldMode = BeginningOfGame; // to prevent restoring old mode
856 InitChessProgram(savCps, FALSE);
857 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
858 DisplayMessage("", "");
859 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
860 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
863 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
867 ReplaceEngine (ChessProgramState *cps, int n)
869 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
871 if(oldMode != BeginningOfGame) EditGameEvent();
874 appData.noChessProgram = FALSE;
875 appData.clockMode = TRUE;
878 if(n) return; // only startup first engine immediately; second can wait
879 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
883 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
884 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
886 static char resetOptions[] =
887 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
888 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
889 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
890 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
893 FloatToFront(char **list, char *engineLine)
895 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
897 if(appData.recentEngines <= 0) return;
898 TidyProgramName(engineLine, "localhost", tidy+1);
899 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
900 strncpy(buf+1, *list, MSG_SIZ-50);
901 if(p = strstr(buf, tidy)) { // tidy name appears in list
902 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
903 while(*p++ = *++q); // squeeze out
905 strcat(tidy, buf+1); // put list behind tidy name
906 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
907 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
908 ASSIGN(*list, tidy+1);
911 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
914 Load (ChessProgramState *cps, int i)
916 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
917 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
918 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
919 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
920 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
921 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
922 appData.firstProtocolVersion = PROTOVER;
923 ParseArgsFromString(buf);
925 ReplaceEngine(cps, i);
926 FloatToFront(&appData.recentEngineList, engineLine);
930 while(q = strchr(p, SLASH)) p = q+1;
931 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
932 if(engineDir[0] != NULLCHAR) {
933 ASSIGN(appData.directory[i], engineDir); p = engineName;
934 } else if(p != engineName) { // derive directory from engine path, when not given
936 ASSIGN(appData.directory[i], engineName);
938 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
939 } else { ASSIGN(appData.directory[i], "."); }
941 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
942 snprintf(command, MSG_SIZ, "%s %s", p, params);
945 ASSIGN(appData.chessProgram[i], p);
946 appData.isUCI[i] = isUCI;
947 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
948 appData.hasOwnBookUCI[i] = hasBook;
949 if(!nickName[0]) useNick = FALSE;
950 if(useNick) ASSIGN(appData.pgnName[i], nickName);
954 q = firstChessProgramNames;
955 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
956 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
957 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
958 quote, p, quote, appData.directory[i],
959 useNick ? " -fn \"" : "",
960 useNick ? nickName : "",
962 v1 ? " -firstProtocolVersion 1" : "",
963 hasBook ? "" : " -fNoOwnBookUCI",
964 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
965 storeVariant ? " -variant " : "",
966 storeVariant ? VariantName(gameInfo.variant) : "");
967 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
968 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
969 if(insert != q) insert[-1] = NULLCHAR;
970 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
972 FloatToFront(&appData.recentEngineList, buf);
974 ReplaceEngine(cps, i);
980 int matched, min, sec;
982 * Parse timeControl resource
984 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
985 appData.movesPerSession)) {
987 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
988 DisplayFatalError(buf, 0, 2);
992 * Parse searchTime resource
994 if (*appData.searchTime != NULLCHAR) {
995 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
997 searchTime = min * 60;
998 } else if (matched == 2) {
999 searchTime = min * 60 + sec;
1002 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1003 DisplayFatalError(buf, 0, 2);
1012 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1013 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1015 GetTimeMark(&programStartTime);
1016 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1017 appData.seedBase = random() + (random()<<15);
1018 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1020 ClearProgramStats();
1021 programStats.ok_to_send = 1;
1022 programStats.seen_stat = 0;
1025 * Initialize game list
1031 * Internet chess server status
1033 if (appData.icsActive) {
1034 appData.matchMode = FALSE;
1035 appData.matchGames = 0;
1037 appData.noChessProgram = !appData.zippyPlay;
1039 appData.zippyPlay = FALSE;
1040 appData.zippyTalk = FALSE;
1041 appData.noChessProgram = TRUE;
1043 if (*appData.icsHelper != NULLCHAR) {
1044 appData.useTelnet = TRUE;
1045 appData.telnetProgram = appData.icsHelper;
1048 appData.zippyTalk = appData.zippyPlay = FALSE;
1051 /* [AS] Initialize pv info list [HGM] and game state */
1055 for( i=0; i<=framePtr; i++ ) {
1056 pvInfoList[i].depth = -1;
1057 boards[i][EP_STATUS] = EP_NONE;
1058 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1064 /* [AS] Adjudication threshold */
1065 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1067 InitEngine(&first, 0);
1068 InitEngine(&second, 1);
1071 pairing.which = "pairing"; // pairing engine
1072 pairing.pr = NoProc;
1074 pairing.program = appData.pairingEngine;
1075 pairing.host = "localhost";
1078 if (appData.icsActive) {
1079 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1080 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1081 appData.clockMode = FALSE;
1082 first.sendTime = second.sendTime = 0;
1086 /* Override some settings from environment variables, for backward
1087 compatibility. Unfortunately it's not feasible to have the env
1088 vars just set defaults, at least in xboard. Ugh.
1090 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1095 if (!appData.icsActive) {
1099 /* Check for variants that are supported only in ICS mode,
1100 or not at all. Some that are accepted here nevertheless
1101 have bugs; see comments below.
1103 VariantClass variant = StringToVariant(appData.variant);
1105 case VariantBughouse: /* need four players and two boards */
1106 case VariantKriegspiel: /* need to hide pieces and move details */
1107 /* case VariantFischeRandom: (Fabien: moved below) */
1108 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1109 if( (len >= MSG_SIZ) && appData.debugMode )
1110 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1112 DisplayFatalError(buf, 0, 2);
1115 case VariantUnknown:
1116 case VariantLoadable:
1126 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1127 if( (len >= MSG_SIZ) && appData.debugMode )
1128 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1130 DisplayFatalError(buf, 0, 2);
1133 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1134 case VariantFairy: /* [HGM] TestLegality definitely off! */
1135 case VariantGothic: /* [HGM] should work */
1136 case VariantCapablanca: /* [HGM] should work */
1137 case VariantCourier: /* [HGM] initial forced moves not implemented */
1138 case VariantShogi: /* [HGM] could still mate with pawn drop */
1139 case VariantKnightmate: /* [HGM] should work */
1140 case VariantCylinder: /* [HGM] untested */
1141 case VariantFalcon: /* [HGM] untested */
1142 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1143 offboard interposition not understood */
1144 case VariantNormal: /* definitely works! */
1145 case VariantWildCastle: /* pieces not automatically shuffled */
1146 case VariantNoCastle: /* pieces not automatically shuffled */
1147 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1148 case VariantLosers: /* should work except for win condition,
1149 and doesn't know captures are mandatory */
1150 case VariantSuicide: /* should work except for win condition,
1151 and doesn't know captures are mandatory */
1152 case VariantGiveaway: /* should work except for win condition,
1153 and doesn't know captures are mandatory */
1154 case VariantTwoKings: /* should work */
1155 case VariantAtomic: /* should work except for win condition */
1156 case Variant3Check: /* should work except for win condition */
1157 case VariantShatranj: /* should work except for all win conditions */
1158 case VariantMakruk: /* should work except for draw countdown */
1159 case VariantBerolina: /* might work if TestLegality is off */
1160 case VariantCapaRandom: /* should work */
1161 case VariantJanus: /* should work */
1162 case VariantSuper: /* experimental */
1163 case VariantGreat: /* experimental, requires legality testing to be off */
1164 case VariantSChess: /* S-Chess, should work */
1165 case VariantGrand: /* should work */
1166 case VariantSpartan: /* should work */
1174 NextIntegerFromString (char ** str, long * value)
1179 while( *s == ' ' || *s == '\t' ) {
1185 if( *s >= '0' && *s <= '9' ) {
1186 while( *s >= '0' && *s <= '9' ) {
1187 *value = *value * 10 + (*s - '0');
1200 NextTimeControlFromString (char ** str, long * value)
1203 int result = NextIntegerFromString( str, &temp );
1206 *value = temp * 60; /* Minutes */
1207 if( **str == ':' ) {
1209 result = NextIntegerFromString( str, &temp );
1210 *value += temp; /* Seconds */
1218 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1219 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1220 int result = -1, type = 0; long temp, temp2;
1222 if(**str != ':') return -1; // old params remain in force!
1224 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1225 if( NextIntegerFromString( str, &temp ) ) return -1;
1226 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1229 /* time only: incremental or sudden-death time control */
1230 if(**str == '+') { /* increment follows; read it */
1232 if(**str == '!') type = *(*str)++; // Bronstein TC
1233 if(result = NextIntegerFromString( str, &temp2)) return -1;
1234 *inc = temp2 * 1000;
1235 if(**str == '.') { // read fraction of increment
1236 char *start = ++(*str);
1237 if(result = NextIntegerFromString( str, &temp2)) return -1;
1239 while(start++ < *str) temp2 /= 10;
1243 *moves = 0; *tc = temp * 1000; *incType = type;
1247 (*str)++; /* classical time control */
1248 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1260 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1261 { /* [HGM] get time to add from the multi-session time-control string */
1262 int incType, moves=1; /* kludge to force reading of first session */
1263 long time, increment;
1266 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1268 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1269 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1270 if(movenr == -1) return time; /* last move before new session */
1271 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1272 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1273 if(!moves) return increment; /* current session is incremental */
1274 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1275 } while(movenr >= -1); /* try again for next session */
1277 return 0; // no new time quota on this move
1281 ParseTimeControl (char *tc, float ti, int mps)
1285 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1288 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1289 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1290 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1294 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1296 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1299 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1301 snprintf(buf, MSG_SIZ, ":%s", mytc);
1303 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1305 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1310 /* Parse second time control */
1313 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1321 timeControl_2 = tc2 * 1000;
1331 timeControl = tc1 * 1000;
1334 timeIncrement = ti * 1000; /* convert to ms */
1335 movesPerSession = 0;
1338 movesPerSession = mps;
1346 if (appData.debugMode) {
1347 fprintf(debugFP, "%s\n", programVersion);
1349 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1351 set_cont_sequence(appData.wrapContSeq);
1352 if (appData.matchGames > 0) {
1353 appData.matchMode = TRUE;
1354 } else if (appData.matchMode) {
1355 appData.matchGames = 1;
1357 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1358 appData.matchGames = appData.sameColorGames;
1359 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1360 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1361 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1364 if (appData.noChessProgram || first.protocolVersion == 1) {
1367 /* kludge: allow timeout for initial "feature" commands */
1369 DisplayMessage("", _("Starting chess program"));
1370 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1375 CalculateIndex (int index, int gameNr)
1376 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1378 if(index > 0) return index; // fixed nmber
1379 if(index == 0) return 1;
1380 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1381 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1386 LoadGameOrPosition (int gameNr)
1387 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1388 if (*appData.loadGameFile != NULLCHAR) {
1389 if (!LoadGameFromFile(appData.loadGameFile,
1390 CalculateIndex(appData.loadGameIndex, gameNr),
1391 appData.loadGameFile, FALSE)) {
1392 DisplayFatalError(_("Bad game file"), 0, 1);
1395 } else if (*appData.loadPositionFile != NULLCHAR) {
1396 if (!LoadPositionFromFile(appData.loadPositionFile,
1397 CalculateIndex(appData.loadPositionIndex, gameNr),
1398 appData.loadPositionFile)) {
1399 DisplayFatalError(_("Bad position file"), 0, 1);
1407 ReserveGame (int gameNr, char resChar)
1409 FILE *tf = fopen(appData.tourneyFile, "r+");
1410 char *p, *q, c, buf[MSG_SIZ];
1411 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1412 safeStrCpy(buf, lastMsg, MSG_SIZ);
1413 DisplayMessage(_("Pick new game"), "");
1414 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1415 ParseArgsFromFile(tf);
1416 p = q = appData.results;
1417 if(appData.debugMode) {
1418 char *r = appData.participants;
1419 fprintf(debugFP, "results = '%s'\n", p);
1420 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1421 fprintf(debugFP, "\n");
1423 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1425 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1426 safeStrCpy(q, p, strlen(p) + 2);
1427 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1428 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1429 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1430 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1433 fseek(tf, -(strlen(p)+4), SEEK_END);
1435 if(c != '"') // depending on DOS or Unix line endings we can be one off
1436 fseek(tf, -(strlen(p)+2), SEEK_END);
1437 else fseek(tf, -(strlen(p)+3), SEEK_END);
1438 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1439 DisplayMessage(buf, "");
1440 free(p); appData.results = q;
1441 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1442 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1443 int round = appData.defaultMatchGames * appData.tourneyType;
1444 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1445 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1446 UnloadEngine(&first); // next game belongs to other pairing;
1447 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1449 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1453 MatchEvent (int mode)
1454 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1456 if(matchMode) { // already in match mode: switch it off
1458 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1461 // if(gameMode != BeginningOfGame) {
1462 // DisplayError(_("You can only start a match from the initial position."), 0);
1466 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1467 /* Set up machine vs. machine match */
1469 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1470 if(appData.tourneyFile[0]) {
1472 if(nextGame > appData.matchGames) {
1474 if(strchr(appData.results, '*') == NULL) {
1476 appData.tourneyCycles++;
1477 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1479 NextTourneyGame(-1, &dummy);
1481 if(nextGame <= appData.matchGames) {
1482 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1484 ScheduleDelayedEvent(NextMatchGame, 10000);
1489 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1490 DisplayError(buf, 0);
1491 appData.tourneyFile[0] = 0;
1495 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1496 DisplayFatalError(_("Can't have a match with no chess programs"),
1501 matchGame = roundNr = 1;
1502 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1506 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1509 InitBackEnd3 P((void))
1511 GameMode initialMode;
1515 InitChessProgram(&first, startedFromSetupPosition);
1517 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1518 free(programVersion);
1519 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1520 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1521 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1524 if (appData.icsActive) {
1526 /* [DM] Make a console window if needed [HGM] merged ifs */
1532 if (*appData.icsCommPort != NULLCHAR)
1533 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1534 appData.icsCommPort);
1536 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1537 appData.icsHost, appData.icsPort);
1539 if( (len >= MSG_SIZ) && appData.debugMode )
1540 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1542 DisplayFatalError(buf, err, 1);
1547 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1549 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1550 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1551 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1552 } else if (appData.noChessProgram) {
1558 if (*appData.cmailGameName != NULLCHAR) {
1560 OpenLoopback(&cmailPR);
1562 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1566 DisplayMessage("", "");
1567 if (StrCaseCmp(appData.initialMode, "") == 0) {
1568 initialMode = BeginningOfGame;
1569 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1570 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1571 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1572 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1575 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1576 initialMode = TwoMachinesPlay;
1577 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1578 initialMode = AnalyzeFile;
1579 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1580 initialMode = AnalyzeMode;
1581 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1582 initialMode = MachinePlaysWhite;
1583 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1584 initialMode = MachinePlaysBlack;
1585 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1586 initialMode = EditGame;
1587 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1588 initialMode = EditPosition;
1589 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1590 initialMode = Training;
1592 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1593 if( (len >= MSG_SIZ) && appData.debugMode )
1594 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1596 DisplayFatalError(buf, 0, 2);
1600 if (appData.matchMode) {
1601 if(appData.tourneyFile[0]) { // start tourney from command line
1603 if(f = fopen(appData.tourneyFile, "r")) {
1604 ParseArgsFromFile(f); // make sure tourney parmeters re known
1606 appData.clockMode = TRUE;
1608 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1611 } else if (*appData.cmailGameName != NULLCHAR) {
1612 /* Set up cmail mode */
1613 ReloadCmailMsgEvent(TRUE);
1615 /* Set up other modes */
1616 if (initialMode == AnalyzeFile) {
1617 if (*appData.loadGameFile == NULLCHAR) {
1618 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1622 if (*appData.loadGameFile != NULLCHAR) {
1623 (void) LoadGameFromFile(appData.loadGameFile,
1624 appData.loadGameIndex,
1625 appData.loadGameFile, TRUE);
1626 } else if (*appData.loadPositionFile != NULLCHAR) {
1627 (void) LoadPositionFromFile(appData.loadPositionFile,
1628 appData.loadPositionIndex,
1629 appData.loadPositionFile);
1630 /* [HGM] try to make self-starting even after FEN load */
1631 /* to allow automatic setup of fairy variants with wtm */
1632 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1633 gameMode = BeginningOfGame;
1634 setboardSpoiledMachineBlack = 1;
1636 /* [HGM] loadPos: make that every new game uses the setup */
1637 /* from file as long as we do not switch variant */
1638 if(!blackPlaysFirst) {
1639 startedFromPositionFile = TRUE;
1640 CopyBoard(filePosition, boards[0]);
1643 if (initialMode == AnalyzeMode) {
1644 if (appData.noChessProgram) {
1645 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1648 if (appData.icsActive) {
1649 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1653 } else if (initialMode == AnalyzeFile) {
1654 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1655 ShowThinkingEvent();
1657 AnalysisPeriodicEvent(1);
1658 } else if (initialMode == MachinePlaysWhite) {
1659 if (appData.noChessProgram) {
1660 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1664 if (appData.icsActive) {
1665 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1669 MachineWhiteEvent();
1670 } else if (initialMode == MachinePlaysBlack) {
1671 if (appData.noChessProgram) {
1672 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1676 if (appData.icsActive) {
1677 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1681 MachineBlackEvent();
1682 } else if (initialMode == TwoMachinesPlay) {
1683 if (appData.noChessProgram) {
1684 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1688 if (appData.icsActive) {
1689 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1694 } else if (initialMode == EditGame) {
1696 } else if (initialMode == EditPosition) {
1697 EditPositionEvent();
1698 } else if (initialMode == Training) {
1699 if (*appData.loadGameFile == NULLCHAR) {
1700 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1709 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1711 DisplayBook(current+1);
1713 MoveHistorySet( movelist, first, last, current, pvInfoList );
1715 EvalGraphSet( first, last, current, pvInfoList );
1717 MakeEngineOutputTitle();
1721 * Establish will establish a contact to a remote host.port.
1722 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1723 * used to talk to the host.
1724 * Returns 0 if okay, error code if not.
1731 if (*appData.icsCommPort != NULLCHAR) {
1732 /* Talk to the host through a serial comm port */
1733 return OpenCommPort(appData.icsCommPort, &icsPR);
1735 } else if (*appData.gateway != NULLCHAR) {
1736 if (*appData.remoteShell == NULLCHAR) {
1737 /* Use the rcmd protocol to run telnet program on a gateway host */
1738 snprintf(buf, sizeof(buf), "%s %s %s",
1739 appData.telnetProgram, appData.icsHost, appData.icsPort);
1740 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1743 /* Use the rsh program to run telnet program on a gateway host */
1744 if (*appData.remoteUser == NULLCHAR) {
1745 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1746 appData.gateway, appData.telnetProgram,
1747 appData.icsHost, appData.icsPort);
1749 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1750 appData.remoteShell, appData.gateway,
1751 appData.remoteUser, appData.telnetProgram,
1752 appData.icsHost, appData.icsPort);
1754 return StartChildProcess(buf, "", &icsPR);
1757 } else if (appData.useTelnet) {
1758 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1761 /* TCP socket interface differs somewhat between
1762 Unix and NT; handle details in the front end.
1764 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1769 EscapeExpand (char *p, char *q)
1770 { // [HGM] initstring: routine to shape up string arguments
1771 while(*p++ = *q++) if(p[-1] == '\\')
1773 case 'n': p[-1] = '\n'; break;
1774 case 'r': p[-1] = '\r'; break;
1775 case 't': p[-1] = '\t'; break;
1776 case '\\': p[-1] = '\\'; break;
1777 case 0: *p = 0; return;
1778 default: p[-1] = q[-1]; break;
1783 show_bytes (FILE *fp, char *buf, int count)
1786 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1787 fprintf(fp, "\\%03o", *buf & 0xff);
1796 /* Returns an errno value */
1798 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1800 char buf[8192], *p, *q, *buflim;
1801 int left, newcount, outcount;
1803 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1804 *appData.gateway != NULLCHAR) {
1805 if (appData.debugMode) {
1806 fprintf(debugFP, ">ICS: ");
1807 show_bytes(debugFP, message, count);
1808 fprintf(debugFP, "\n");
1810 return OutputToProcess(pr, message, count, outError);
1813 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1820 if (appData.debugMode) {
1821 fprintf(debugFP, ">ICS: ");
1822 show_bytes(debugFP, buf, newcount);
1823 fprintf(debugFP, "\n");
1825 outcount = OutputToProcess(pr, buf, newcount, outError);
1826 if (outcount < newcount) return -1; /* to be sure */
1833 } else if (((unsigned char) *p) == TN_IAC) {
1834 *q++ = (char) TN_IAC;
1841 if (appData.debugMode) {
1842 fprintf(debugFP, ">ICS: ");
1843 show_bytes(debugFP, buf, newcount);
1844 fprintf(debugFP, "\n");
1846 outcount = OutputToProcess(pr, buf, newcount, outError);
1847 if (outcount < newcount) return -1; /* to be sure */
1852 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1854 int outError, outCount;
1855 static int gotEof = 0;
1858 /* Pass data read from player on to ICS */
1861 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1862 if (outCount < count) {
1863 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1865 if(have_sent_ICS_logon == 2) {
1866 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1867 fprintf(ini, "%s", message);
1868 have_sent_ICS_logon = 3;
1870 have_sent_ICS_logon = 1;
1871 } else if(have_sent_ICS_logon == 3) {
1872 fprintf(ini, "%s", message);
1874 have_sent_ICS_logon = 1;
1876 } else if (count < 0) {
1877 RemoveInputSource(isr);
1878 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1879 } else if (gotEof++ > 0) {
1880 RemoveInputSource(isr);
1881 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1887 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1888 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1889 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1890 SendToICS("date\n");
1891 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1894 /* added routine for printf style output to ics */
1896 ics_printf (char *format, ...)
1898 char buffer[MSG_SIZ];
1901 va_start(args, format);
1902 vsnprintf(buffer, sizeof(buffer), format, args);
1903 buffer[sizeof(buffer)-1] = '\0';
1911 int count, outCount, outError;
1913 if (icsPR == NoProc) return;
1916 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1917 if (outCount < count) {
1918 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1922 /* This is used for sending logon scripts to the ICS. Sending
1923 without a delay causes problems when using timestamp on ICC
1924 (at least on my machine). */
1926 SendToICSDelayed (char *s, long msdelay)
1928 int count, outCount, outError;
1930 if (icsPR == NoProc) return;
1933 if (appData.debugMode) {
1934 fprintf(debugFP, ">ICS: ");
1935 show_bytes(debugFP, s, count);
1936 fprintf(debugFP, "\n");
1938 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1940 if (outCount < count) {
1941 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1946 /* Remove all highlighting escape sequences in s
1947 Also deletes any suffix starting with '('
1950 StripHighlightAndTitle (char *s)
1952 static char retbuf[MSG_SIZ];
1955 while (*s != NULLCHAR) {
1956 while (*s == '\033') {
1957 while (*s != NULLCHAR && !isalpha(*s)) s++;
1958 if (*s != NULLCHAR) s++;
1960 while (*s != NULLCHAR && *s != '\033') {
1961 if (*s == '(' || *s == '[') {
1972 /* Remove all highlighting escape sequences in s */
1974 StripHighlight (char *s)
1976 static char retbuf[MSG_SIZ];
1979 while (*s != NULLCHAR) {
1980 while (*s == '\033') {
1981 while (*s != NULLCHAR && !isalpha(*s)) s++;
1982 if (*s != NULLCHAR) s++;
1984 while (*s != NULLCHAR && *s != '\033') {
1992 char *variantNames[] = VARIANT_NAMES;
1994 VariantName (VariantClass v)
1996 return variantNames[v];
2000 /* Identify a variant from the strings the chess servers use or the
2001 PGN Variant tag names we use. */
2003 StringToVariant (char *e)
2007 VariantClass v = VariantNormal;
2008 int i, found = FALSE;
2014 /* [HGM] skip over optional board-size prefixes */
2015 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2016 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2017 while( *e++ != '_');
2020 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2024 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2025 if (StrCaseStr(e, variantNames[i])) {
2026 v = (VariantClass) i;
2033 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2034 || StrCaseStr(e, "wild/fr")
2035 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2036 v = VariantFischeRandom;
2037 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2038 (i = 1, p = StrCaseStr(e, "w"))) {
2040 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2047 case 0: /* FICS only, actually */
2049 /* Castling legal even if K starts on d-file */
2050 v = VariantWildCastle;
2055 /* Castling illegal even if K & R happen to start in
2056 normal positions. */
2057 v = VariantNoCastle;
2070 /* Castling legal iff K & R start in normal positions */
2076 /* Special wilds for position setup; unclear what to do here */
2077 v = VariantLoadable;
2080 /* Bizarre ICC game */
2081 v = VariantTwoKings;
2084 v = VariantKriegspiel;
2090 v = VariantFischeRandom;
2093 v = VariantCrazyhouse;
2096 v = VariantBughouse;
2102 /* Not quite the same as FICS suicide! */
2103 v = VariantGiveaway;
2109 v = VariantShatranj;
2112 /* Temporary names for future ICC types. The name *will* change in
2113 the next xboard/WinBoard release after ICC defines it. */
2151 v = VariantCapablanca;
2154 v = VariantKnightmate;
2160 v = VariantCylinder;
2166 v = VariantCapaRandom;
2169 v = VariantBerolina;
2181 /* Found "wild" or "w" in the string but no number;
2182 must assume it's normal chess. */
2186 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2187 if( (len >= MSG_SIZ) && appData.debugMode )
2188 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2190 DisplayError(buf, 0);
2196 if (appData.debugMode) {
2197 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2198 e, wnum, VariantName(v));
2203 static int leftover_start = 0, leftover_len = 0;
2204 char star_match[STAR_MATCH_N][MSG_SIZ];
2206 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2207 advance *index beyond it, and set leftover_start to the new value of
2208 *index; else return FALSE. If pattern contains the character '*', it
2209 matches any sequence of characters not containing '\r', '\n', or the
2210 character following the '*' (if any), and the matched sequence(s) are
2211 copied into star_match.
2214 looking_at ( char *buf, int *index, char *pattern)
2216 char *bufp = &buf[*index], *patternp = pattern;
2218 char *matchp = star_match[0];
2221 if (*patternp == NULLCHAR) {
2222 *index = leftover_start = bufp - buf;
2226 if (*bufp == NULLCHAR) return FALSE;
2227 if (*patternp == '*') {
2228 if (*bufp == *(patternp + 1)) {
2230 matchp = star_match[++star_count];
2234 } else if (*bufp == '\n' || *bufp == '\r') {
2236 if (*patternp == NULLCHAR)
2241 *matchp++ = *bufp++;
2245 if (*patternp != *bufp) return FALSE;
2252 SendToPlayer (char *data, int length)
2254 int error, outCount;
2255 outCount = OutputToProcess(NoProc, data, length, &error);
2256 if (outCount < length) {
2257 DisplayFatalError(_("Error writing to display"), error, 1);
2262 PackHolding (char packed[], char *holding)
2272 switch (runlength) {
2283 sprintf(q, "%d", runlength);
2295 /* Telnet protocol requests from the front end */
2297 TelnetRequest (unsigned char ddww, unsigned char option)
2299 unsigned char msg[3];
2300 int outCount, outError;
2302 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2304 if (appData.debugMode) {
2305 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2321 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2330 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2333 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2338 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2340 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2347 if (!appData.icsActive) return;
2348 TelnetRequest(TN_DO, TN_ECHO);
2354 if (!appData.icsActive) return;
2355 TelnetRequest(TN_DONT, TN_ECHO);
2359 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2361 /* put the holdings sent to us by the server on the board holdings area */
2362 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2366 if(gameInfo.holdingsWidth < 2) return;
2367 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2368 return; // prevent overwriting by pre-board holdings
2370 if( (int)lowestPiece >= BlackPawn ) {
2373 holdingsStartRow = BOARD_HEIGHT-1;
2376 holdingsColumn = BOARD_WIDTH-1;
2377 countsColumn = BOARD_WIDTH-2;
2378 holdingsStartRow = 0;
2382 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2383 board[i][holdingsColumn] = EmptySquare;
2384 board[i][countsColumn] = (ChessSquare) 0;
2386 while( (p=*holdings++) != NULLCHAR ) {
2387 piece = CharToPiece( ToUpper(p) );
2388 if(piece == EmptySquare) continue;
2389 /*j = (int) piece - (int) WhitePawn;*/
2390 j = PieceToNumber(piece);
2391 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2392 if(j < 0) continue; /* should not happen */
2393 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2394 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2395 board[holdingsStartRow+j*direction][countsColumn]++;
2401 VariantSwitch (Board board, VariantClass newVariant)
2403 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2404 static Board oldBoard;
2406 startedFromPositionFile = FALSE;
2407 if(gameInfo.variant == newVariant) return;
2409 /* [HGM] This routine is called each time an assignment is made to
2410 * gameInfo.variant during a game, to make sure the board sizes
2411 * are set to match the new variant. If that means adding or deleting
2412 * holdings, we shift the playing board accordingly
2413 * This kludge is needed because in ICS observe mode, we get boards
2414 * of an ongoing game without knowing the variant, and learn about the
2415 * latter only later. This can be because of the move list we requested,
2416 * in which case the game history is refilled from the beginning anyway,
2417 * but also when receiving holdings of a crazyhouse game. In the latter
2418 * case we want to add those holdings to the already received position.
2422 if (appData.debugMode) {
2423 fprintf(debugFP, "Switch board from %s to %s\n",
2424 VariantName(gameInfo.variant), VariantName(newVariant));
2425 setbuf(debugFP, NULL);
2427 shuffleOpenings = 0; /* [HGM] shuffle */
2428 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2432 newWidth = 9; newHeight = 9;
2433 gameInfo.holdingsSize = 7;
2434 case VariantBughouse:
2435 case VariantCrazyhouse:
2436 newHoldingsWidth = 2; break;
2440 newHoldingsWidth = 2;
2441 gameInfo.holdingsSize = 8;
2444 case VariantCapablanca:
2445 case VariantCapaRandom:
2448 newHoldingsWidth = gameInfo.holdingsSize = 0;
2451 if(newWidth != gameInfo.boardWidth ||
2452 newHeight != gameInfo.boardHeight ||
2453 newHoldingsWidth != gameInfo.holdingsWidth ) {
2455 /* shift position to new playing area, if needed */
2456 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2457 for(i=0; i<BOARD_HEIGHT; i++)
2458 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2459 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2461 for(i=0; i<newHeight; i++) {
2462 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2463 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2465 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2466 for(i=0; i<BOARD_HEIGHT; i++)
2467 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2468 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2471 board[HOLDINGS_SET] = 0;
2472 gameInfo.boardWidth = newWidth;
2473 gameInfo.boardHeight = newHeight;
2474 gameInfo.holdingsWidth = newHoldingsWidth;
2475 gameInfo.variant = newVariant;
2476 InitDrawingSizes(-2, 0);
2477 } else gameInfo.variant = newVariant;
2478 CopyBoard(oldBoard, board); // remember correctly formatted board
2479 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2480 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2483 static int loggedOn = FALSE;
2485 /*-- Game start info cache: --*/
2487 char gs_kind[MSG_SIZ];
2488 static char player1Name[128] = "";
2489 static char player2Name[128] = "";
2490 static char cont_seq[] = "\n\\ ";
2491 static int player1Rating = -1;
2492 static int player2Rating = -1;
2493 /*----------------------------*/
2495 ColorClass curColor = ColorNormal;
2496 int suppressKibitz = 0;
2499 Boolean soughtPending = FALSE;
2500 Boolean seekGraphUp;
2501 #define MAX_SEEK_ADS 200
2503 char *seekAdList[MAX_SEEK_ADS];
2504 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2505 float tcList[MAX_SEEK_ADS];
2506 char colorList[MAX_SEEK_ADS];
2507 int nrOfSeekAds = 0;
2508 int minRating = 1010, maxRating = 2800;
2509 int hMargin = 10, vMargin = 20, h, w;
2510 extern int squareSize, lineGap;
2515 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2516 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2517 if(r < minRating+100 && r >=0 ) r = minRating+100;
2518 if(r > maxRating) r = maxRating;
2519 if(tc < 1.f) tc = 1.f;
2520 if(tc > 95.f) tc = 95.f;
2521 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2522 y = ((double)r - minRating)/(maxRating - minRating)
2523 * (h-vMargin-squareSize/8-1) + vMargin;
2524 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2525 if(strstr(seekAdList[i], " u ")) color = 1;
2526 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2527 !strstr(seekAdList[i], "bullet") &&
2528 !strstr(seekAdList[i], "blitz") &&
2529 !strstr(seekAdList[i], "standard") ) color = 2;
2530 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2531 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2535 PlotSingleSeekAd (int i)
2541 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2543 char buf[MSG_SIZ], *ext = "";
2544 VariantClass v = StringToVariant(type);
2545 if(strstr(type, "wild")) {
2546 ext = type + 4; // append wild number
2547 if(v == VariantFischeRandom) type = "chess960"; else
2548 if(v == VariantLoadable) type = "setup"; else
2549 type = VariantName(v);
2551 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2552 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2553 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2554 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2555 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2556 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2557 seekNrList[nrOfSeekAds] = nr;
2558 zList[nrOfSeekAds] = 0;
2559 seekAdList[nrOfSeekAds++] = StrSave(buf);
2560 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2565 EraseSeekDot (int i)
2567 int x = xList[i], y = yList[i], d=squareSize/4, k;
2568 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2569 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2570 // now replot every dot that overlapped
2571 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2572 int xx = xList[k], yy = yList[k];
2573 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2574 DrawSeekDot(xx, yy, colorList[k]);
2579 RemoveSeekAd (int nr)
2582 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2584 if(seekAdList[i]) free(seekAdList[i]);
2585 seekAdList[i] = seekAdList[--nrOfSeekAds];
2586 seekNrList[i] = seekNrList[nrOfSeekAds];
2587 ratingList[i] = ratingList[nrOfSeekAds];
2588 colorList[i] = colorList[nrOfSeekAds];
2589 tcList[i] = tcList[nrOfSeekAds];
2590 xList[i] = xList[nrOfSeekAds];
2591 yList[i] = yList[nrOfSeekAds];
2592 zList[i] = zList[nrOfSeekAds];
2593 seekAdList[nrOfSeekAds] = NULL;
2599 MatchSoughtLine (char *line)
2601 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2602 int nr, base, inc, u=0; char dummy;
2604 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2605 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2607 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2608 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2609 // match: compact and save the line
2610 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2620 if(!seekGraphUp) return FALSE;
2621 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2622 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2624 DrawSeekBackground(0, 0, w, h);
2625 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2626 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2627 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2628 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2630 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2633 snprintf(buf, MSG_SIZ, "%d", i);
2634 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2637 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2638 for(i=1; i<100; i+=(i<10?1:5)) {
2639 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2640 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2641 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2643 snprintf(buf, MSG_SIZ, "%d", i);
2644 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2647 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2652 SeekGraphClick (ClickType click, int x, int y, int moving)
2654 static int lastDown = 0, displayed = 0, lastSecond;
2655 if(y < 0) return FALSE;
2656 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2657 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2658 if(!seekGraphUp) return FALSE;
2659 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2660 DrawPosition(TRUE, NULL);
2663 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2664 if(click == Release || moving) return FALSE;
2666 soughtPending = TRUE;
2667 SendToICS(ics_prefix);
2668 SendToICS("sought\n"); // should this be "sought all"?
2669 } else { // issue challenge based on clicked ad
2670 int dist = 10000; int i, closest = 0, second = 0;
2671 for(i=0; i<nrOfSeekAds; i++) {
2672 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2673 if(d < dist) { dist = d; closest = i; }
2674 second += (d - zList[i] < 120); // count in-range ads
2675 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2679 second = (second > 1);
2680 if(displayed != closest || second != lastSecond) {
2681 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2682 lastSecond = second; displayed = closest;
2684 if(click == Press) {
2685 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2688 } // on press 'hit', only show info
2689 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2690 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2691 SendToICS(ics_prefix);
2693 return TRUE; // let incoming board of started game pop down the graph
2694 } else if(click == Release) { // release 'miss' is ignored
2695 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2696 if(moving == 2) { // right up-click
2697 nrOfSeekAds = 0; // refresh graph
2698 soughtPending = TRUE;
2699 SendToICS(ics_prefix);
2700 SendToICS("sought\n"); // should this be "sought all"?
2703 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2704 // press miss or release hit 'pop down' seek graph
2705 seekGraphUp = FALSE;
2706 DrawPosition(TRUE, NULL);
2712 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2714 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2715 #define STARTED_NONE 0
2716 #define STARTED_MOVES 1
2717 #define STARTED_BOARD 2
2718 #define STARTED_OBSERVE 3
2719 #define STARTED_HOLDINGS 4
2720 #define STARTED_CHATTER 5
2721 #define STARTED_COMMENT 6
2722 #define STARTED_MOVES_NOHIDE 7
2724 static int started = STARTED_NONE;
2725 static char parse[20000];
2726 static int parse_pos = 0;
2727 static char buf[BUF_SIZE + 1];
2728 static int firstTime = TRUE, intfSet = FALSE;
2729 static ColorClass prevColor = ColorNormal;
2730 static int savingComment = FALSE;
2731 static int cmatch = 0; // continuation sequence match
2738 int backup; /* [DM] For zippy color lines */
2740 char talker[MSG_SIZ]; // [HGM] chat
2743 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2745 if (appData.debugMode) {
2747 fprintf(debugFP, "<ICS: ");
2748 show_bytes(debugFP, data, count);
2749 fprintf(debugFP, "\n");
2753 if (appData.debugMode) { int f = forwardMostMove;
2754 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2755 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2756 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2759 /* If last read ended with a partial line that we couldn't parse,
2760 prepend it to the new read and try again. */
2761 if (leftover_len > 0) {
2762 for (i=0; i<leftover_len; i++)
2763 buf[i] = buf[leftover_start + i];
2766 /* copy new characters into the buffer */
2767 bp = buf + leftover_len;
2768 buf_len=leftover_len;
2769 for (i=0; i<count; i++)
2772 if (data[i] == '\r')
2775 // join lines split by ICS?
2776 if (!appData.noJoin)
2779 Joining just consists of finding matches against the
2780 continuation sequence, and discarding that sequence
2781 if found instead of copying it. So, until a match
2782 fails, there's nothing to do since it might be the
2783 complete sequence, and thus, something we don't want
2786 if (data[i] == cont_seq[cmatch])
2789 if (cmatch == strlen(cont_seq))
2791 cmatch = 0; // complete match. just reset the counter
2794 it's possible for the ICS to not include the space
2795 at the end of the last word, making our [correct]
2796 join operation fuse two separate words. the server
2797 does this when the space occurs at the width setting.
2799 if (!buf_len || buf[buf_len-1] != ' ')
2810 match failed, so we have to copy what matched before
2811 falling through and copying this character. In reality,
2812 this will only ever be just the newline character, but
2813 it doesn't hurt to be precise.
2815 strncpy(bp, cont_seq, cmatch);
2827 buf[buf_len] = NULLCHAR;
2828 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2833 while (i < buf_len) {
2834 /* Deal with part of the TELNET option negotiation
2835 protocol. We refuse to do anything beyond the
2836 defaults, except that we allow the WILL ECHO option,
2837 which ICS uses to turn off password echoing when we are
2838 directly connected to it. We reject this option
2839 if localLineEditing mode is on (always on in xboard)
2840 and we are talking to port 23, which might be a real
2841 telnet server that will try to keep WILL ECHO on permanently.
2843 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2844 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2845 unsigned char option;
2847 switch ((unsigned char) buf[++i]) {
2849 if (appData.debugMode)
2850 fprintf(debugFP, "\n<WILL ");
2851 switch (option = (unsigned char) buf[++i]) {
2853 if (appData.debugMode)
2854 fprintf(debugFP, "ECHO ");
2855 /* Reply only if this is a change, according
2856 to the protocol rules. */
2857 if (remoteEchoOption) break;
2858 if (appData.localLineEditing &&
2859 atoi(appData.icsPort) == TN_PORT) {
2860 TelnetRequest(TN_DONT, TN_ECHO);
2863 TelnetRequest(TN_DO, TN_ECHO);
2864 remoteEchoOption = TRUE;
2868 if (appData.debugMode)
2869 fprintf(debugFP, "%d ", option);
2870 /* Whatever this is, we don't want it. */
2871 TelnetRequest(TN_DONT, option);
2876 if (appData.debugMode)
2877 fprintf(debugFP, "\n<WONT ");
2878 switch (option = (unsigned char) buf[++i]) {
2880 if (appData.debugMode)
2881 fprintf(debugFP, "ECHO ");
2882 /* Reply only if this is a change, according
2883 to the protocol rules. */
2884 if (!remoteEchoOption) break;
2886 TelnetRequest(TN_DONT, TN_ECHO);
2887 remoteEchoOption = FALSE;
2890 if (appData.debugMode)
2891 fprintf(debugFP, "%d ", (unsigned char) option);
2892 /* Whatever this is, it must already be turned
2893 off, because we never agree to turn on
2894 anything non-default, so according to the
2895 protocol rules, we don't reply. */
2900 if (appData.debugMode)
2901 fprintf(debugFP, "\n<DO ");
2902 switch (option = (unsigned char) buf[++i]) {
2904 /* Whatever this is, we refuse to do it. */
2905 if (appData.debugMode)
2906 fprintf(debugFP, "%d ", option);
2907 TelnetRequest(TN_WONT, option);
2912 if (appData.debugMode)
2913 fprintf(debugFP, "\n<DONT ");
2914 switch (option = (unsigned char) buf[++i]) {
2916 if (appData.debugMode)
2917 fprintf(debugFP, "%d ", option);
2918 /* Whatever this is, we are already not doing
2919 it, because we never agree to do anything
2920 non-default, so according to the protocol
2921 rules, we don't reply. */
2926 if (appData.debugMode)
2927 fprintf(debugFP, "\n<IAC ");
2928 /* Doubled IAC; pass it through */
2932 if (appData.debugMode)
2933 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2934 /* Drop all other telnet commands on the floor */
2937 if (oldi > next_out)
2938 SendToPlayer(&buf[next_out], oldi - next_out);
2944 /* OK, this at least will *usually* work */
2945 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2949 if (loggedOn && !intfSet) {
2950 if (ics_type == ICS_ICC) {
2951 snprintf(str, MSG_SIZ,
2952 "/set-quietly interface %s\n/set-quietly style 12\n",
2954 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2955 strcat(str, "/set-2 51 1\n/set seek 1\n");
2956 } else if (ics_type == ICS_CHESSNET) {
2957 snprintf(str, MSG_SIZ, "/style 12\n");
2959 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2960 strcat(str, programVersion);
2961 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2962 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2963 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2965 strcat(str, "$iset nohighlight 1\n");
2967 strcat(str, "$iset lock 1\n$style 12\n");
2970 NotifyFrontendLogin();
2974 if (started == STARTED_COMMENT) {
2975 /* Accumulate characters in comment */
2976 parse[parse_pos++] = buf[i];
2977 if (buf[i] == '\n') {
2978 parse[parse_pos] = NULLCHAR;
2979 if(chattingPartner>=0) {
2981 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2982 OutputChatMessage(chattingPartner, mess);
2983 chattingPartner = -1;
2984 next_out = i+1; // [HGM] suppress printing in ICS window
2986 if(!suppressKibitz) // [HGM] kibitz
2987 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2988 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2989 int nrDigit = 0, nrAlph = 0, j;
2990 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2991 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2992 parse[parse_pos] = NULLCHAR;
2993 // try to be smart: if it does not look like search info, it should go to
2994 // ICS interaction window after all, not to engine-output window.
2995 for(j=0; j<parse_pos; j++) { // count letters and digits
2996 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2997 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2998 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3000 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3001 int depth=0; float score;
3002 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3003 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3004 pvInfoList[forwardMostMove-1].depth = depth;
3005 pvInfoList[forwardMostMove-1].score = 100*score;
3007 OutputKibitz(suppressKibitz, parse);
3010 if(gameMode == IcsObserving) // restore original ICS messages
3011 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3013 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3014 SendToPlayer(tmp, strlen(tmp));
3016 next_out = i+1; // [HGM] suppress printing in ICS window
3018 started = STARTED_NONE;
3020 /* Don't match patterns against characters in comment */
3025 if (started == STARTED_CHATTER) {
3026 if (buf[i] != '\n') {
3027 /* Don't match patterns against characters in chatter */
3031 started = STARTED_NONE;
3032 if(suppressKibitz) next_out = i+1;
3035 /* Kludge to deal with rcmd protocol */
3036 if (firstTime && looking_at(buf, &i, "\001*")) {
3037 DisplayFatalError(&buf[1], 0, 1);
3043 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3046 if (appData.debugMode)
3047 fprintf(debugFP, "ics_type %d\n", ics_type);
3050 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3051 ics_type = ICS_FICS;
3053 if (appData.debugMode)
3054 fprintf(debugFP, "ics_type %d\n", ics_type);
3057 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3058 ics_type = ICS_CHESSNET;
3060 if (appData.debugMode)
3061 fprintf(debugFP, "ics_type %d\n", ics_type);
3066 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3067 looking_at(buf, &i, "Logging you in as \"*\"") ||
3068 looking_at(buf, &i, "will be \"*\""))) {
3069 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3073 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3075 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3076 DisplayIcsInteractionTitle(buf);
3077 have_set_title = TRUE;
3080 /* skip finger notes */
3081 if (started == STARTED_NONE &&
3082 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3083 (buf[i] == '1' && buf[i+1] == '0')) &&
3084 buf[i+2] == ':' && buf[i+3] == ' ') {
3085 started = STARTED_CHATTER;
3091 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3092 if(appData.seekGraph) {
3093 if(soughtPending && MatchSoughtLine(buf+i)) {
3094 i = strstr(buf+i, "rated") - buf;
3095 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3096 next_out = leftover_start = i;
3097 started = STARTED_CHATTER;
3098 suppressKibitz = TRUE;
3101 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3102 && looking_at(buf, &i, "* ads displayed")) {
3103 soughtPending = FALSE;
3108 if(appData.autoRefresh) {
3109 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3110 int s = (ics_type == ICS_ICC); // ICC format differs
3112 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3113 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3114 looking_at(buf, &i, "*% "); // eat prompt
3115 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3116 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3117 next_out = i; // suppress
3120 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3121 char *p = star_match[0];
3123 if(seekGraphUp) RemoveSeekAd(atoi(p));
3124 while(*p && *p++ != ' '); // next
3126 looking_at(buf, &i, "*% "); // eat prompt
3127 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3134 /* skip formula vars */
3135 if (started == STARTED_NONE &&
3136 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3137 started = STARTED_CHATTER;
3142 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3143 if (appData.autoKibitz && started == STARTED_NONE &&
3144 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3145 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3146 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3147 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3148 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3149 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3150 suppressKibitz = TRUE;
3151 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3153 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3154 && (gameMode == IcsPlayingWhite)) ||
3155 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3156 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3157 started = STARTED_CHATTER; // own kibitz we simply discard
3159 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3160 parse_pos = 0; parse[0] = NULLCHAR;
3161 savingComment = TRUE;
3162 suppressKibitz = gameMode != IcsObserving ? 2 :
3163 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3167 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3168 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3169 && atoi(star_match[0])) {
3170 // suppress the acknowledgements of our own autoKibitz
3172 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3173 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3174 SendToPlayer(star_match[0], strlen(star_match[0]));
3175 if(looking_at(buf, &i, "*% ")) // eat prompt
3176 suppressKibitz = FALSE;
3180 } // [HGM] kibitz: end of patch
3182 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3184 // [HGM] chat: intercept tells by users for which we have an open chat window
3186 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3187 looking_at(buf, &i, "* whispers:") ||
3188 looking_at(buf, &i, "* kibitzes:") ||
3189 looking_at(buf, &i, "* shouts:") ||
3190 looking_at(buf, &i, "* c-shouts:") ||
3191 looking_at(buf, &i, "--> * ") ||
3192 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3193 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3194 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3195 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3197 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3198 chattingPartner = -1;
3200 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3201 for(p=0; p<MAX_CHAT; p++) {
3202 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3203 talker[0] = '['; strcat(talker, "] ");
3204 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3205 chattingPartner = p; break;
3208 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3209 for(p=0; p<MAX_CHAT; p++) {
3210 if(!strcmp("kibitzes", chatPartner[p])) {
3211 talker[0] = '['; strcat(talker, "] ");
3212 chattingPartner = p; break;
3215 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3216 for(p=0; p<MAX_CHAT; p++) {
3217 if(!strcmp("whispers", chatPartner[p])) {
3218 talker[0] = '['; strcat(talker, "] ");
3219 chattingPartner = p; break;
3222 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3223 if(buf[i-8] == '-' && buf[i-3] == 't')
3224 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3225 if(!strcmp("c-shouts", chatPartner[p])) {
3226 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3227 chattingPartner = p; break;
3230 if(chattingPartner < 0)
3231 for(p=0; p<MAX_CHAT; p++) {
3232 if(!strcmp("shouts", chatPartner[p])) {
3233 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3234 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3235 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3236 chattingPartner = p; break;
3240 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3241 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3242 talker[0] = 0; Colorize(ColorTell, FALSE);
3243 chattingPartner = p; break;
3245 if(chattingPartner<0) i = oldi; else {
3246 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3247 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3248 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3249 started = STARTED_COMMENT;
3250 parse_pos = 0; parse[0] = NULLCHAR;
3251 savingComment = 3 + chattingPartner; // counts as TRUE
3252 suppressKibitz = TRUE;
3255 } // [HGM] chat: end of patch
3258 if (appData.zippyTalk || appData.zippyPlay) {
3259 /* [DM] Backup address for color zippy lines */
3261 if (loggedOn == TRUE)
3262 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3263 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3265 } // [DM] 'else { ' deleted
3267 /* Regular tells and says */
3268 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3269 looking_at(buf, &i, "* (your partner) tells you: ") ||
3270 looking_at(buf, &i, "* says: ") ||
3271 /* Don't color "message" or "messages" output */
3272 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3273 looking_at(buf, &i, "*. * at *:*: ") ||
3274 looking_at(buf, &i, "--* (*:*): ") ||
3275 /* Message notifications (same color as tells) */
3276 looking_at(buf, &i, "* has left a message ") ||
3277 looking_at(buf, &i, "* just sent you a message:\n") ||
3278 /* Whispers and kibitzes */
3279 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3280 looking_at(buf, &i, "* kibitzes: ") ||
3282 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3284 if (tkind == 1 && strchr(star_match[0], ':')) {
3285 /* Avoid "tells you:" spoofs in channels */
3288 if (star_match[0][0] == NULLCHAR ||
3289 strchr(star_match[0], ' ') ||
3290 (tkind == 3 && strchr(star_match[1], ' '))) {
3291 /* Reject bogus matches */
3294 if (appData.colorize) {
3295 if (oldi > next_out) {
3296 SendToPlayer(&buf[next_out], oldi - next_out);
3301 Colorize(ColorTell, FALSE);
3302 curColor = ColorTell;
3305 Colorize(ColorKibitz, FALSE);
3306 curColor = ColorKibitz;
3309 p = strrchr(star_match[1], '(');
3316 Colorize(ColorChannel1, FALSE);
3317 curColor = ColorChannel1;
3319 Colorize(ColorChannel, FALSE);
3320 curColor = ColorChannel;
3324 curColor = ColorNormal;
3328 if (started == STARTED_NONE && appData.autoComment &&
3329 (gameMode == IcsObserving ||
3330 gameMode == IcsPlayingWhite ||
3331 gameMode == IcsPlayingBlack)) {
3332 parse_pos = i - oldi;
3333 memcpy(parse, &buf[oldi], parse_pos);
3334 parse[parse_pos] = NULLCHAR;
3335 started = STARTED_COMMENT;
3336 savingComment = TRUE;
3338 started = STARTED_CHATTER;
3339 savingComment = FALSE;
3346 if (looking_at(buf, &i, "* s-shouts: ") ||
3347 looking_at(buf, &i, "* c-shouts: ")) {
3348 if (appData.colorize) {
3349 if (oldi > next_out) {
3350 SendToPlayer(&buf[next_out], oldi - next_out);
3353 Colorize(ColorSShout, FALSE);
3354 curColor = ColorSShout;
3357 started = STARTED_CHATTER;
3361 if (looking_at(buf, &i, "--->")) {
3366 if (looking_at(buf, &i, "* shouts: ") ||
3367 looking_at(buf, &i, "--> ")) {
3368 if (appData.colorize) {
3369 if (oldi > next_out) {
3370 SendToPlayer(&buf[next_out], oldi - next_out);
3373 Colorize(ColorShout, FALSE);
3374 curColor = ColorShout;
3377 started = STARTED_CHATTER;
3381 if (looking_at( buf, &i, "Challenge:")) {
3382 if (appData.colorize) {
3383 if (oldi > next_out) {
3384 SendToPlayer(&buf[next_out], oldi - next_out);
3387 Colorize(ColorChallenge, FALSE);
3388 curColor = ColorChallenge;
3394 if (looking_at(buf, &i, "* offers you") ||
3395 looking_at(buf, &i, "* offers to be") ||
3396 looking_at(buf, &i, "* would like to") ||
3397 looking_at(buf, &i, "* requests to") ||
3398 looking_at(buf, &i, "Your opponent offers") ||
3399 looking_at(buf, &i, "Your opponent requests")) {
3401 if (appData.colorize) {
3402 if (oldi > next_out) {
3403 SendToPlayer(&buf[next_out], oldi - next_out);
3406 Colorize(ColorRequest, FALSE);
3407 curColor = ColorRequest;
3412 if (looking_at(buf, &i, "* (*) seeking")) {
3413 if (appData.colorize) {
3414 if (oldi > next_out) {
3415 SendToPlayer(&buf[next_out], oldi - next_out);
3418 Colorize(ColorSeek, FALSE);
3419 curColor = ColorSeek;
3424 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3426 if (looking_at(buf, &i, "\\ ")) {
3427 if (prevColor != ColorNormal) {
3428 if (oldi > next_out) {
3429 SendToPlayer(&buf[next_out], oldi - next_out);
3432 Colorize(prevColor, TRUE);
3433 curColor = prevColor;
3435 if (savingComment) {
3436 parse_pos = i - oldi;
3437 memcpy(parse, &buf[oldi], parse_pos);
3438 parse[parse_pos] = NULLCHAR;
3439 started = STARTED_COMMENT;
3440 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3441 chattingPartner = savingComment - 3; // kludge to remember the box
3443 started = STARTED_CHATTER;
3448 if (looking_at(buf, &i, "Black Strength :") ||
3449 looking_at(buf, &i, "<<< style 10 board >>>") ||
3450 looking_at(buf, &i, "<10>") ||
3451 looking_at(buf, &i, "#@#")) {
3452 /* Wrong board style */
3454 SendToICS(ics_prefix);
3455 SendToICS("set style 12\n");
3456 SendToICS(ics_prefix);
3457 SendToICS("refresh\n");
3461 if (looking_at(buf, &i, "login:")) {
3462 if (!have_sent_ICS_logon) {
3464 have_sent_ICS_logon = 1;
3465 else // no init script was found
3466 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3467 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3468 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3473 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3474 (looking_at(buf, &i, "\n<12> ") ||
3475 looking_at(buf, &i, "<12> "))) {
3477 if (oldi > next_out) {
3478 SendToPlayer(&buf[next_out], oldi - next_out);
3481 started = STARTED_BOARD;
3486 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3487 looking_at(buf, &i, "<b1> ")) {
3488 if (oldi > next_out) {
3489 SendToPlayer(&buf[next_out], oldi - next_out);
3492 started = STARTED_HOLDINGS;
3497 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3499 /* Header for a move list -- first line */
3501 switch (ics_getting_history) {
3505 case BeginningOfGame:
3506 /* User typed "moves" or "oldmoves" while we
3507 were idle. Pretend we asked for these
3508 moves and soak them up so user can step
3509 through them and/or save them.
3512 gameMode = IcsObserving;
3515 ics_getting_history = H_GOT_UNREQ_HEADER;
3517 case EditGame: /*?*/
3518 case EditPosition: /*?*/
3519 /* Should above feature work in these modes too? */
3520 /* For now it doesn't */
3521 ics_getting_history = H_GOT_UNWANTED_HEADER;
3524 ics_getting_history = H_GOT_UNWANTED_HEADER;
3529 /* Is this the right one? */
3530 if (gameInfo.white && gameInfo.black &&
3531 strcmp(gameInfo.white, star_match[0]) == 0 &&
3532 strcmp(gameInfo.black, star_match[2]) == 0) {
3534 ics_getting_history = H_GOT_REQ_HEADER;
3537 case H_GOT_REQ_HEADER:
3538 case H_GOT_UNREQ_HEADER:
3539 case H_GOT_UNWANTED_HEADER:
3540 case H_GETTING_MOVES:
3541 /* Should not happen */
3542 DisplayError(_("Error gathering move list: two headers"), 0);
3543 ics_getting_history = H_FALSE;
3547 /* Save player ratings into gameInfo if needed */
3548 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3549 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3550 (gameInfo.whiteRating == -1 ||
3551 gameInfo.blackRating == -1)) {
3553 gameInfo.whiteRating = string_to_rating(star_match[1]);
3554 gameInfo.blackRating = string_to_rating(star_match[3]);
3555 if (appData.debugMode)
3556 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3557 gameInfo.whiteRating, gameInfo.blackRating);
3562 if (looking_at(buf, &i,
3563 "* * match, initial time: * minute*, increment: * second")) {
3564 /* Header for a move list -- second line */
3565 /* Initial board will follow if this is a wild game */
3566 if (gameInfo.event != NULL) free(gameInfo.event);
3567 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3568 gameInfo.event = StrSave(str);
3569 /* [HGM] we switched variant. Translate boards if needed. */
3570 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3574 if (looking_at(buf, &i, "Move ")) {
3575 /* Beginning of a move list */
3576 switch (ics_getting_history) {
3578 /* Normally should not happen */
3579 /* Maybe user hit reset while we were parsing */
3582 /* Happens if we are ignoring a move list that is not
3583 * the one we just requested. Common if the user
3584 * tries to observe two games without turning off
3587 case H_GETTING_MOVES:
3588 /* Should not happen */
3589 DisplayError(_("Error gathering move list: nested"), 0);
3590 ics_getting_history = H_FALSE;
3592 case H_GOT_REQ_HEADER:
3593 ics_getting_history = H_GETTING_MOVES;
3594 started = STARTED_MOVES;
3596 if (oldi > next_out) {
3597 SendToPlayer(&buf[next_out], oldi - next_out);
3600 case H_GOT_UNREQ_HEADER:
3601 ics_getting_history = H_GETTING_MOVES;
3602 started = STARTED_MOVES_NOHIDE;
3605 case H_GOT_UNWANTED_HEADER:
3606 ics_getting_history = H_FALSE;
3612 if (looking_at(buf, &i, "% ") ||
3613 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3614 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3615 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3616 soughtPending = FALSE;
3620 if(suppressKibitz) next_out = i;
3621 savingComment = FALSE;
3625 case STARTED_MOVES_NOHIDE:
3626 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3627 parse[parse_pos + i - oldi] = NULLCHAR;
3628 ParseGameHistory(parse);
3630 if (appData.zippyPlay && first.initDone) {
3631 FeedMovesToProgram(&first, forwardMostMove);
3632 if (gameMode == IcsPlayingWhite) {
3633 if (WhiteOnMove(forwardMostMove)) {
3634 if (first.sendTime) {
3635 if (first.useColors) {
3636 SendToProgram("black\n", &first);
3638 SendTimeRemaining(&first, TRUE);
3640 if (first.useColors) {
3641 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3643 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3644 first.maybeThinking = TRUE;
3646 if (first.usePlayother) {
3647 if (first.sendTime) {
3648 SendTimeRemaining(&first, TRUE);
3650 SendToProgram("playother\n", &first);
3656 } else if (gameMode == IcsPlayingBlack) {
3657 if (!WhiteOnMove(forwardMostMove)) {
3658 if (first.sendTime) {
3659 if (first.useColors) {
3660 SendToProgram("white\n", &first);
3662 SendTimeRemaining(&first, FALSE);
3664 if (first.useColors) {
3665 SendToProgram("black\n", &first);
3667 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3668 first.maybeThinking = TRUE;
3670 if (first.usePlayother) {
3671 if (first.sendTime) {
3672 SendTimeRemaining(&first, FALSE);
3674 SendToProgram("playother\n", &first);
3683 if (gameMode == IcsObserving && ics_gamenum == -1) {
3684 /* Moves came from oldmoves or moves command
3685 while we weren't doing anything else.
3687 currentMove = forwardMostMove;
3688 ClearHighlights();/*!!could figure this out*/
3689 flipView = appData.flipView;
3690 DrawPosition(TRUE, boards[currentMove]);
3691 DisplayBothClocks();
3692 snprintf(str, MSG_SIZ, "%s %s %s",
3693 gameInfo.white, _("vs."), gameInfo.black);
3697 /* Moves were history of an active game */
3698 if (gameInfo.resultDetails != NULL) {
3699 free(gameInfo.resultDetails);
3700 gameInfo.resultDetails = NULL;
3703 HistorySet(parseList, backwardMostMove,
3704 forwardMostMove, currentMove-1);
3705 DisplayMove(currentMove - 1);
3706 if (started == STARTED_MOVES) next_out = i;
3707 started = STARTED_NONE;
3708 ics_getting_history = H_FALSE;
3711 case STARTED_OBSERVE:
3712 started = STARTED_NONE;
3713 SendToICS(ics_prefix);
3714 SendToICS("refresh\n");
3720 if(bookHit) { // [HGM] book: simulate book reply
3721 static char bookMove[MSG_SIZ]; // a bit generous?
3723 programStats.nodes = programStats.depth = programStats.time =
3724 programStats.score = programStats.got_only_move = 0;
3725 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3727 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3728 strcat(bookMove, bookHit);
3729 HandleMachineMove(bookMove, &first);
3734 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3735 started == STARTED_HOLDINGS ||
3736 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3737 /* Accumulate characters in move list or board */
3738 parse[parse_pos++] = buf[i];
3741 /* Start of game messages. Mostly we detect start of game
3742 when the first board image arrives. On some versions
3743 of the ICS, though, we need to do a "refresh" after starting
3744 to observe in order to get the current board right away. */
3745 if (looking_at(buf, &i, "Adding game * to observation list")) {
3746 started = STARTED_OBSERVE;
3750 /* Handle auto-observe */
3751 if (appData.autoObserve &&
3752 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3753 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3755 /* Choose the player that was highlighted, if any. */
3756 if (star_match[0][0] == '\033' ||
3757 star_match[1][0] != '\033') {
3758 player = star_match[0];
3760 player = star_match[2];
3762 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3763 ics_prefix, StripHighlightAndTitle(player));
3766 /* Save ratings from notify string */
3767 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3768 player1Rating = string_to_rating(star_match[1]);
3769 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3770 player2Rating = string_to_rating(star_match[3]);
3772 if (appData.debugMode)
3774 "Ratings from 'Game notification:' %s %d, %s %d\n",
3775 player1Name, player1Rating,
3776 player2Name, player2Rating);
3781 /* Deal with automatic examine mode after a game,
3782 and with IcsObserving -> IcsExamining transition */
3783 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3784 looking_at(buf, &i, "has made you an examiner of game *")) {
3786 int gamenum = atoi(star_match[0]);
3787 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3788 gamenum == ics_gamenum) {
3789 /* We were already playing or observing this game;
3790 no need to refetch history */
3791 gameMode = IcsExamining;
3793 pauseExamForwardMostMove = forwardMostMove;
3794 } else if (currentMove < forwardMostMove) {
3795 ForwardInner(forwardMostMove);
3798 /* I don't think this case really can happen */
3799 SendToICS(ics_prefix);
3800 SendToICS("refresh\n");
3805 /* Error messages */
3806 // if (ics_user_moved) {
3807 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3808 if (looking_at(buf, &i, "Illegal move") ||
3809 looking_at(buf, &i, "Not a legal move") ||
3810 looking_at(buf, &i, "Your king is in check") ||
3811 looking_at(buf, &i, "It isn't your turn") ||
3812 looking_at(buf, &i, "It is not your move")) {
3814 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3815 currentMove = forwardMostMove-1;
3816 DisplayMove(currentMove - 1); /* before DMError */
3817 DrawPosition(FALSE, boards[currentMove]);
3818 SwitchClocks(forwardMostMove-1); // [HGM] race
3819 DisplayBothClocks();
3821 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3827 if (looking_at(buf, &i, "still have time") ||
3828 looking_at(buf, &i, "not out of time") ||
3829 looking_at(buf, &i, "either player is out of time") ||
3830 looking_at(buf, &i, "has timeseal; checking")) {
3831 /* We must have called his flag a little too soon */
3832 whiteFlag = blackFlag = FALSE;
3836 if (looking_at(buf, &i, "added * seconds to") ||
3837 looking_at(buf, &i, "seconds were added to")) {
3838 /* Update the clocks */
3839 SendToICS(ics_prefix);
3840 SendToICS("refresh\n");
3844 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3845 ics_clock_paused = TRUE;
3850 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3851 ics_clock_paused = FALSE;
3856 /* Grab player ratings from the Creating: message.
3857 Note we have to check for the special case when
3858 the ICS inserts things like [white] or [black]. */
3859 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3860 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3862 0 player 1 name (not necessarily white)
3864 2 empty, white, or black (IGNORED)
3865 3 player 2 name (not necessarily black)
3868 The names/ratings are sorted out when the game
3869 actually starts (below).
3871 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3872 player1Rating = string_to_rating(star_match[1]);
3873 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3874 player2Rating = string_to_rating(star_match[4]);
3876 if (appData.debugMode)
3878 "Ratings from 'Creating:' %s %d, %s %d\n",
3879 player1Name, player1Rating,
3880 player2Name, player2Rating);
3885 /* Improved generic start/end-of-game messages */
3886 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3887 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3888 /* If tkind == 0: */
3889 /* star_match[0] is the game number */
3890 /* [1] is the white player's name */
3891 /* [2] is the black player's name */
3892 /* For end-of-game: */
3893 /* [3] is the reason for the game end */
3894 /* [4] is a PGN end game-token, preceded by " " */
3895 /* For start-of-game: */
3896 /* [3] begins with "Creating" or "Continuing" */
3897 /* [4] is " *" or empty (don't care). */
3898 int gamenum = atoi(star_match[0]);
3899 char *whitename, *blackname, *why, *endtoken;
3900 ChessMove endtype = EndOfFile;
3903 whitename = star_match[1];
3904 blackname = star_match[2];
3905 why = star_match[3];
3906 endtoken = star_match[4];
3908 whitename = star_match[1];
3909 blackname = star_match[3];
3910 why = star_match[5];
3911 endtoken = star_match[6];
3914 /* Game start messages */
3915 if (strncmp(why, "Creating ", 9) == 0 ||
3916 strncmp(why, "Continuing ", 11) == 0) {
3917 gs_gamenum = gamenum;
3918 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3919 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3920 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3922 if (appData.zippyPlay) {
3923 ZippyGameStart(whitename, blackname);
3926 partnerBoardValid = FALSE; // [HGM] bughouse
3930 /* Game end messages */
3931 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3932 ics_gamenum != gamenum) {
3935 while (endtoken[0] == ' ') endtoken++;
3936 switch (endtoken[0]) {
3939 endtype = GameUnfinished;
3942 endtype = BlackWins;
3945 if (endtoken[1] == '/')
3946 endtype = GameIsDrawn;
3948 endtype = WhiteWins;
3951 GameEnds(endtype, why, GE_ICS);
3953 if (appData.zippyPlay && first.initDone) {
3954 ZippyGameEnd(endtype, why);
3955 if (first.pr == NoProc) {
3956 /* Start the next process early so that we'll
3957 be ready for the next challenge */
3958 StartChessProgram(&first);
3960 /* Send "new" early, in case this command takes
3961 a long time to finish, so that we'll be ready
3962 for the next challenge. */
3963 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3967 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3971 if (looking_at(buf, &i, "Removing game * from observation") ||
3972 looking_at(buf, &i, "no longer observing game *") ||
3973 looking_at(buf, &i, "Game * (*) has no examiners")) {
3974 if (gameMode == IcsObserving &&
3975 atoi(star_match[0]) == ics_gamenum)
3977 /* icsEngineAnalyze */
3978 if (appData.icsEngineAnalyze) {
3985 ics_user_moved = FALSE;
3990 if (looking_at(buf, &i, "no longer examining game *")) {
3991 if (gameMode == IcsExamining &&
3992 atoi(star_match[0]) == ics_gamenum)
3996 ics_user_moved = FALSE;
4001 /* Advance leftover_start past any newlines we find,
4002 so only partial lines can get reparsed */
4003 if (looking_at(buf, &i, "\n")) {
4004 prevColor = curColor;
4005 if (curColor != ColorNormal) {
4006 if (oldi > next_out) {
4007 SendToPlayer(&buf[next_out], oldi - next_out);
4010 Colorize(ColorNormal, FALSE);
4011 curColor = ColorNormal;
4013 if (started == STARTED_BOARD) {
4014 started = STARTED_NONE;
4015 parse[parse_pos] = NULLCHAR;
4016 ParseBoard12(parse);
4019 /* Send premove here */
4020 if (appData.premove) {
4022 if (currentMove == 0 &&
4023 gameMode == IcsPlayingWhite &&
4024 appData.premoveWhite) {
4025 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Sending premove:\n");
4029 } else if (currentMove == 1 &&
4030 gameMode == IcsPlayingBlack &&
4031 appData.premoveBlack) {
4032 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4033 if (appData.debugMode)
4034 fprintf(debugFP, "Sending premove:\n");
4036 } else if (gotPremove) {
4038 ClearPremoveHighlights();
4039 if (appData.debugMode)
4040 fprintf(debugFP, "Sending premove:\n");
4041 UserMoveEvent(premoveFromX, premoveFromY,
4042 premoveToX, premoveToY,
4047 /* Usually suppress following prompt */
4048 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4049 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4050 if (looking_at(buf, &i, "*% ")) {
4051 savingComment = FALSE;
4056 } else if (started == STARTED_HOLDINGS) {
4058 char new_piece[MSG_SIZ];
4059 started = STARTED_NONE;
4060 parse[parse_pos] = NULLCHAR;
4061 if (appData.debugMode)
4062 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4063 parse, currentMove);
4064 if (sscanf(parse, " game %d", &gamenum) == 1) {
4065 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4066 if (gameInfo.variant == VariantNormal) {
4067 /* [HGM] We seem to switch variant during a game!
4068 * Presumably no holdings were displayed, so we have
4069 * to move the position two files to the right to
4070 * create room for them!
4072 VariantClass newVariant;
4073 switch(gameInfo.boardWidth) { // base guess on board width
4074 case 9: newVariant = VariantShogi; break;
4075 case 10: newVariant = VariantGreat; break;
4076 default: newVariant = VariantCrazyhouse; break;
4078 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4079 /* Get a move list just to see the header, which
4080 will tell us whether this is really bug or zh */
4081 if (ics_getting_history == H_FALSE) {
4082 ics_getting_history = H_REQUESTED;
4083 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4087 new_piece[0] = NULLCHAR;
4088 sscanf(parse, "game %d white [%s black [%s <- %s",
4089 &gamenum, white_holding, black_holding,
4091 white_holding[strlen(white_holding)-1] = NULLCHAR;
4092 black_holding[strlen(black_holding)-1] = NULLCHAR;
4093 /* [HGM] copy holdings to board holdings area */
4094 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4095 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4096 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4098 if (appData.zippyPlay && first.initDone) {
4099 ZippyHoldings(white_holding, black_holding,
4103 if (tinyLayout || smallLayout) {
4104 char wh[16], bh[16];
4105 PackHolding(wh, white_holding);
4106 PackHolding(bh, black_holding);
4107 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4108 gameInfo.white, gameInfo.black);
4110 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4111 gameInfo.white, white_holding, _("vs."),
4112 gameInfo.black, black_holding);
4114 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4115 DrawPosition(FALSE, boards[currentMove]);
4117 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4118 sscanf(parse, "game %d white [%s black [%s <- %s",
4119 &gamenum, white_holding, black_holding,
4121 white_holding[strlen(white_holding)-1] = NULLCHAR;
4122 black_holding[strlen(black_holding)-1] = NULLCHAR;
4123 /* [HGM] copy holdings to partner-board holdings area */
4124 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4125 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4126 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4127 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4128 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4131 /* Suppress following prompt */
4132 if (looking_at(buf, &i, "*% ")) {
4133 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4134 savingComment = FALSE;
4142 i++; /* skip unparsed character and loop back */
4145 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4146 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4147 // SendToPlayer(&buf[next_out], i - next_out);
4148 started != STARTED_HOLDINGS && leftover_start > next_out) {
4149 SendToPlayer(&buf[next_out], leftover_start - next_out);
4153 leftover_len = buf_len - leftover_start;
4154 /* if buffer ends with something we couldn't parse,
4155 reparse it after appending the next read */
4157 } else if (count == 0) {
4158 RemoveInputSource(isr);
4159 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4161 DisplayFatalError(_("Error reading from ICS"), error, 1);
4166 /* Board style 12 looks like this:
4168 <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
4170 * The "<12> " is stripped before it gets to this routine. The two
4171 * trailing 0's (flip state and clock ticking) are later addition, and
4172 * some chess servers may not have them, or may have only the first.
4173 * Additional trailing fields may be added in the future.
4176 #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"
4178 #define RELATION_OBSERVING_PLAYED 0
4179 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4180 #define RELATION_PLAYING_MYMOVE 1
4181 #define RELATION_PLAYING_NOTMYMOVE -1
4182 #define RELATION_EXAMINING 2
4183 #define RELATION_ISOLATED_BOARD -3
4184 #define RELATION_STARTING_POSITION -4 /* FICS only */
4187 ParseBoard12 (char *string)
4191 char *bookHit = NULL; // [HGM] book
4193 GameMode newGameMode;
4194 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4195 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4196 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4197 char to_play, board_chars[200];
4198 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4199 char black[32], white[32];
4201 int prevMove = currentMove;
4204 int fromX, fromY, toX, toY;
4206 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4207 Boolean weird = FALSE, reqFlag = FALSE;
4209 fromX = fromY = toX = toY = -1;
4213 if (appData.debugMode)
4214 fprintf(debugFP, _("Parsing board: %s\n"), string);
4216 move_str[0] = NULLCHAR;
4217 elapsed_time[0] = NULLCHAR;
4218 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4220 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4221 if(string[i] == ' ') { ranks++; files = 0; }
4223 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4226 for(j = 0; j <i; j++) board_chars[j] = string[j];
4227 board_chars[i] = '\0';
4230 n = sscanf(string, PATTERN, &to_play, &double_push,
4231 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4232 &gamenum, white, black, &relation, &basetime, &increment,
4233 &white_stren, &black_stren, &white_time, &black_time,
4234 &moveNum, str, elapsed_time, move_str, &ics_flip,
4238 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4239 DisplayError(str, 0);
4243 /* Convert the move number to internal form */
4244 moveNum = (moveNum - 1) * 2;
4245 if (to_play == 'B') moveNum++;
4246 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4247 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4253 case RELATION_OBSERVING_PLAYED:
4254 case RELATION_OBSERVING_STATIC:
4255 if (gamenum == -1) {
4256 /* Old ICC buglet */
4257 relation = RELATION_OBSERVING_STATIC;
4259 newGameMode = IcsObserving;
4261 case RELATION_PLAYING_MYMOVE:
4262 case RELATION_PLAYING_NOTMYMOVE:
4264 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4265 IcsPlayingWhite : IcsPlayingBlack;
4266 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4268 case RELATION_EXAMINING:
4269 newGameMode = IcsExamining;
4271 case RELATION_ISOLATED_BOARD:
4273 /* Just display this board. If user was doing something else,
4274 we will forget about it until the next board comes. */
4275 newGameMode = IcsIdle;
4277 case RELATION_STARTING_POSITION:
4278 newGameMode = gameMode;
4282 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4283 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4284 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4285 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4286 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4287 static int lastBgGame = -1;
4289 for (k = 0; k < ranks; k++) {
4290 for (j = 0; j < files; j++)
4291 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4292 if(gameInfo.holdingsWidth > 1) {
4293 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4294 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4297 CopyBoard(partnerBoard, board);
4298 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4299 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4300 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4301 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4302 if(toSqr = strchr(str, '-')) {
4303 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4304 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4305 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4306 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4307 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4308 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4310 DisplayWhiteClock(white_time*fac, to_play == 'W');
4311 DisplayBlackClock(black_time*fac, to_play != 'W');
4312 activePartner = to_play;
4313 if(gamenum != lastBgGame) {
4315 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4318 lastBgGame = gamenum;
4319 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4320 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4321 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4322 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4323 DisplayMessage(partnerStatus, "");
4324 partnerBoardValid = TRUE;
4328 if(appData.dualBoard && appData.bgObserve) {
4329 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4330 SendToICS(ics_prefix), SendToICS("pobserve\n");
4331 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4333 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4338 /* Modify behavior for initial board display on move listing
4341 switch (ics_getting_history) {
4345 case H_GOT_REQ_HEADER:
4346 case H_GOT_UNREQ_HEADER:
4347 /* This is the initial position of the current game */
4348 gamenum = ics_gamenum;
4349 moveNum = 0; /* old ICS bug workaround */
4350 if (to_play == 'B') {
4351 startedFromSetupPosition = TRUE;
4352 blackPlaysFirst = TRUE;
4354 if (forwardMostMove == 0) forwardMostMove = 1;
4355 if (backwardMostMove == 0) backwardMostMove = 1;
4356 if (currentMove == 0) currentMove = 1;
4358 newGameMode = gameMode;
4359 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4361 case H_GOT_UNWANTED_HEADER:
4362 /* This is an initial board that we don't want */
4364 case H_GETTING_MOVES:
4365 /* Should not happen */
4366 DisplayError(_("Error gathering move list: extra board"), 0);
4367 ics_getting_history = H_FALSE;
4371 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4372 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4373 weird && (int)gameInfo.variant < (int)VariantShogi) {
4374 /* [HGM] We seem to have switched variant unexpectedly
4375 * Try to guess new variant from board size
4377 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4378 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4379 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4380 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4381 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4382 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4383 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4384 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4385 /* Get a move list just to see the header, which
4386 will tell us whether this is really bug or zh */
4387 if (ics_getting_history == H_FALSE) {
4388 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4389 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4394 /* Take action if this is the first board of a new game, or of a
4395 different game than is currently being displayed. */
4396 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4397 relation == RELATION_ISOLATED_BOARD) {
4399 /* Forget the old game and get the history (if any) of the new one */
4400 if (gameMode != BeginningOfGame) {
4404 if (appData.autoRaiseBoard) BoardToTop();
4406 if (gamenum == -1) {
4407 newGameMode = IcsIdle;
4408 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4409 appData.getMoveList && !reqFlag) {
4410 /* Need to get game history */
4411 ics_getting_history = H_REQUESTED;
4412 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4416 /* Initially flip the board to have black on the bottom if playing
4417 black or if the ICS flip flag is set, but let the user change
4418 it with the Flip View button. */
4419 flipView = appData.autoFlipView ?
4420 (newGameMode == IcsPlayingBlack) || ics_flip :
4423 /* Done with values from previous mode; copy in new ones */
4424 gameMode = newGameMode;
4426 ics_gamenum = gamenum;
4427 if (gamenum == gs_gamenum) {
4428 int klen = strlen(gs_kind);
4429 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4430 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4431 gameInfo.event = StrSave(str);
4433 gameInfo.event = StrSave("ICS game");
4435 gameInfo.site = StrSave(appData.icsHost);
4436 gameInfo.date = PGNDate();
4437 gameInfo.round = StrSave("-");
4438 gameInfo.white = StrSave(white);
4439 gameInfo.black = StrSave(black);
4440 timeControl = basetime * 60 * 1000;
4442 timeIncrement = increment * 1000;
4443 movesPerSession = 0;
4444 gameInfo.timeControl = TimeControlTagValue();
4445 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4446 if (appData.debugMode) {
4447 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4448 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4449 setbuf(debugFP, NULL);
4452 gameInfo.outOfBook = NULL;
4454 /* Do we have the ratings? */
4455 if (strcmp(player1Name, white) == 0 &&
4456 strcmp(player2Name, black) == 0) {
4457 if (appData.debugMode)
4458 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4459 player1Rating, player2Rating);
4460 gameInfo.whiteRating = player1Rating;
4461 gameInfo.blackRating = player2Rating;
4462 } else if (strcmp(player2Name, white) == 0 &&
4463 strcmp(player1Name, black) == 0) {
4464 if (appData.debugMode)
4465 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4466 player2Rating, player1Rating);
4467 gameInfo.whiteRating = player2Rating;
4468 gameInfo.blackRating = player1Rating;
4470 player1Name[0] = player2Name[0] = NULLCHAR;
4472 /* Silence shouts if requested */
4473 if (appData.quietPlay &&
4474 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4475 SendToICS(ics_prefix);
4476 SendToICS("set shout 0\n");
4480 /* Deal with midgame name changes */
4482 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4483 if (gameInfo.white) free(gameInfo.white);
4484 gameInfo.white = StrSave(white);
4486 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4487 if (gameInfo.black) free(gameInfo.black);
4488 gameInfo.black = StrSave(black);
4492 /* Throw away game result if anything actually changes in examine mode */
4493 if (gameMode == IcsExamining && !newGame) {
4494 gameInfo.result = GameUnfinished;
4495 if (gameInfo.resultDetails != NULL) {
4496 free(gameInfo.resultDetails);
4497 gameInfo.resultDetails = NULL;
4501 /* In pausing && IcsExamining mode, we ignore boards coming
4502 in if they are in a different variation than we are. */
4503 if (pauseExamInvalid) return;
4504 if (pausing && gameMode == IcsExamining) {
4505 if (moveNum <= pauseExamForwardMostMove) {
4506 pauseExamInvalid = TRUE;
4507 forwardMostMove = pauseExamForwardMostMove;
4512 if (appData.debugMode) {
4513 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4515 /* Parse the board */
4516 for (k = 0; k < ranks; k++) {
4517 for (j = 0; j < files; j++)
4518 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4519 if(gameInfo.holdingsWidth > 1) {
4520 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4521 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4524 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4525 board[5][BOARD_RGHT+1] = WhiteAngel;
4526 board[6][BOARD_RGHT+1] = WhiteMarshall;
4527 board[1][0] = BlackMarshall;
4528 board[2][0] = BlackAngel;
4529 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4531 CopyBoard(boards[moveNum], board);
4532 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4534 startedFromSetupPosition =
4535 !CompareBoards(board, initialPosition);
4536 if(startedFromSetupPosition)
4537 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4540 /* [HGM] Set castling rights. Take the outermost Rooks,
4541 to make it also work for FRC opening positions. Note that board12
4542 is really defective for later FRC positions, as it has no way to
4543 indicate which Rook can castle if they are on the same side of King.
4544 For the initial position we grant rights to the outermost Rooks,
4545 and remember thos rights, and we then copy them on positions
4546 later in an FRC game. This means WB might not recognize castlings with
4547 Rooks that have moved back to their original position as illegal,
4548 but in ICS mode that is not its job anyway.
4550 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4551 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4553 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4554 if(board[0][i] == WhiteRook) j = i;
4555 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4556 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4557 if(board[0][i] == WhiteRook) j = i;
4558 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4559 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4560 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4561 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4562 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4563 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4564 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4566 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4567 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4568 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4569 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4570 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4571 if(board[BOARD_HEIGHT-1][k] == bKing)
4572 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4573 if(gameInfo.variant == VariantTwoKings) {
4574 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4575 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4576 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4579 r = boards[moveNum][CASTLING][0] = initialRights[0];
4580 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4581 r = boards[moveNum][CASTLING][1] = initialRights[1];
4582 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4583 r = boards[moveNum][CASTLING][3] = initialRights[3];
4584 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4585 r = boards[moveNum][CASTLING][4] = initialRights[4];
4586 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4587 /* wildcastle kludge: always assume King has rights */
4588 r = boards[moveNum][CASTLING][2] = initialRights[2];
4589 r = boards[moveNum][CASTLING][5] = initialRights[5];
4591 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4592 boards[moveNum][EP_STATUS] = EP_NONE;
4593 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4594 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4595 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4598 if (ics_getting_history == H_GOT_REQ_HEADER ||
4599 ics_getting_history == H_GOT_UNREQ_HEADER) {
4600 /* This was an initial position from a move list, not
4601 the current position */
4605 /* Update currentMove and known move number limits */
4606 newMove = newGame || moveNum > forwardMostMove;
4609 forwardMostMove = backwardMostMove = currentMove = moveNum;
4610 if (gameMode == IcsExamining && moveNum == 0) {
4611 /* Workaround for ICS limitation: we are not told the wild
4612 type when starting to examine a game. But if we ask for
4613 the move list, the move list header will tell us */
4614 ics_getting_history = H_REQUESTED;
4615 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4618 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4619 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4621 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4622 /* [HGM] applied this also to an engine that is silently watching */
4623 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4624 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4625 gameInfo.variant == currentlyInitializedVariant) {
4626 takeback = forwardMostMove - moveNum;
4627 for (i = 0; i < takeback; i++) {
4628 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4629 SendToProgram("undo\n", &first);
4634 forwardMostMove = moveNum;
4635 if (!pausing || currentMove > forwardMostMove)
4636 currentMove = forwardMostMove;
4638 /* New part of history that is not contiguous with old part */
4639 if (pausing && gameMode == IcsExamining) {
4640 pauseExamInvalid = TRUE;
4641 forwardMostMove = pauseExamForwardMostMove;
4644 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4646 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4647 // [HGM] when we will receive the move list we now request, it will be
4648 // fed to the engine from the first move on. So if the engine is not
4649 // in the initial position now, bring it there.
4650 InitChessProgram(&first, 0);
4653 ics_getting_history = H_REQUESTED;
4654 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4657 forwardMostMove = backwardMostMove = currentMove = moveNum;
4660 /* Update the clocks */
4661 if (strchr(elapsed_time, '.')) {
4663 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4664 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4666 /* Time is in seconds */
4667 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4668 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4673 if (appData.zippyPlay && newGame &&
4674 gameMode != IcsObserving && gameMode != IcsIdle &&
4675 gameMode != IcsExamining)
4676 ZippyFirstBoard(moveNum, basetime, increment);
4679 /* Put the move on the move list, first converting
4680 to canonical algebraic form. */
4682 if (appData.debugMode) {
4683 if (appData.debugMode) { int f = forwardMostMove;
4684 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4685 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4686 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4688 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4689 fprintf(debugFP, "moveNum = %d\n", moveNum);
4690 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4691 setbuf(debugFP, NULL);
4693 if (moveNum <= backwardMostMove) {
4694 /* We don't know what the board looked like before
4696 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4697 strcat(parseList[moveNum - 1], " ");
4698 strcat(parseList[moveNum - 1], elapsed_time);
4699 moveList[moveNum - 1][0] = NULLCHAR;
4700 } else if (strcmp(move_str, "none") == 0) {
4701 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4702 /* Again, we don't know what the board looked like;
4703 this is really the start of the game. */
4704 parseList[moveNum - 1][0] = NULLCHAR;
4705 moveList[moveNum - 1][0] = NULLCHAR;
4706 backwardMostMove = moveNum;
4707 startedFromSetupPosition = TRUE;
4708 fromX = fromY = toX = toY = -1;
4710 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4711 // So we parse the long-algebraic move string in stead of the SAN move
4712 int valid; char buf[MSG_SIZ], *prom;
4714 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4715 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4716 // str looks something like "Q/a1-a2"; kill the slash
4718 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4719 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4720 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4721 strcat(buf, prom); // long move lacks promo specification!
4722 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4723 if(appData.debugMode)
4724 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4725 safeStrCpy(move_str, buf, MSG_SIZ);
4727 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4728 &fromX, &fromY, &toX, &toY, &promoChar)
4729 || ParseOneMove(buf, moveNum - 1, &moveType,
4730 &fromX, &fromY, &toX, &toY, &promoChar);
4731 // end of long SAN patch
4733 (void) CoordsToAlgebraic(boards[moveNum - 1],
4734 PosFlags(moveNum - 1),
4735 fromY, fromX, toY, toX, promoChar,
4736 parseList[moveNum-1]);
4737 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4743 if(gameInfo.variant != VariantShogi)
4744 strcat(parseList[moveNum - 1], "+");
4747 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4748 strcat(parseList[moveNum - 1], "#");
4751 strcat(parseList[moveNum - 1], " ");
4752 strcat(parseList[moveNum - 1], elapsed_time);
4753 /* currentMoveString is set as a side-effect of ParseOneMove */
4754 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4755 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4756 strcat(moveList[moveNum - 1], "\n");
4758 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4759 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4760 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4761 ChessSquare old, new = boards[moveNum][k][j];
4762 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4763 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4764 if(old == new) continue;
4765 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4766 else if(new == WhiteWazir || new == BlackWazir) {
4767 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4768 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4769 else boards[moveNum][k][j] = old; // preserve type of Gold
4770 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4771 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4774 /* Move from ICS was illegal!? Punt. */
4775 if (appData.debugMode) {
4776 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4777 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4779 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4780 strcat(parseList[moveNum - 1], " ");
4781 strcat(parseList[moveNum - 1], elapsed_time);
4782 moveList[moveNum - 1][0] = NULLCHAR;
4783 fromX = fromY = toX = toY = -1;
4786 if (appData.debugMode) {
4787 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4788 setbuf(debugFP, NULL);
4792 /* Send move to chess program (BEFORE animating it). */
4793 if (appData.zippyPlay && !newGame && newMove &&
4794 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4796 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4797 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4798 if (moveList[moveNum - 1][0] == NULLCHAR) {
4799 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4801 DisplayError(str, 0);
4803 if (first.sendTime) {
4804 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4806 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4807 if (firstMove && !bookHit) {
4809 if (first.useColors) {
4810 SendToProgram(gameMode == IcsPlayingWhite ?
4812 "black\ngo\n", &first);
4814 SendToProgram("go\n", &first);
4816 first.maybeThinking = TRUE;
4819 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4820 if (moveList[moveNum - 1][0] == NULLCHAR) {
4821 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4822 DisplayError(str, 0);
4824 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4825 SendMoveToProgram(moveNum - 1, &first);
4832 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4833 /* If move comes from a remote source, animate it. If it
4834 isn't remote, it will have already been animated. */
4835 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4836 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4838 if (!pausing && appData.highlightLastMove) {
4839 SetHighlights(fromX, fromY, toX, toY);
4843 /* Start the clocks */
4844 whiteFlag = blackFlag = FALSE;
4845 appData.clockMode = !(basetime == 0 && increment == 0);
4847 ics_clock_paused = TRUE;
4849 } else if (ticking == 1) {
4850 ics_clock_paused = FALSE;
4852 if (gameMode == IcsIdle ||
4853 relation == RELATION_OBSERVING_STATIC ||
4854 relation == RELATION_EXAMINING ||
4856 DisplayBothClocks();
4860 /* Display opponents and material strengths */
4861 if (gameInfo.variant != VariantBughouse &&
4862 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4863 if (tinyLayout || smallLayout) {
4864 if(gameInfo.variant == VariantNormal)
4865 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4866 gameInfo.white, white_stren, gameInfo.black, black_stren,
4867 basetime, increment);
4869 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4870 gameInfo.white, white_stren, gameInfo.black, black_stren,
4871 basetime, increment, (int) gameInfo.variant);
4873 if(gameInfo.variant == VariantNormal)
4874 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4875 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4876 basetime, increment);
4878 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4879 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4880 basetime, increment, VariantName(gameInfo.variant));
4883 if (appData.debugMode) {
4884 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4889 /* Display the board */
4890 if (!pausing && !appData.noGUI) {
4892 if (appData.premove)
4894 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4895 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4896 ClearPremoveHighlights();
4898 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4899 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4900 DrawPosition(j, boards[currentMove]);
4902 DisplayMove(moveNum - 1);
4903 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4904 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4905 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4906 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4910 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4912 if(bookHit) { // [HGM] book: simulate book reply
4913 static char bookMove[MSG_SIZ]; // a bit generous?
4915 programStats.nodes = programStats.depth = programStats.time =
4916 programStats.score = programStats.got_only_move = 0;
4917 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4919 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4920 strcat(bookMove, bookHit);
4921 HandleMachineMove(bookMove, &first);
4930 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4931 ics_getting_history = H_REQUESTED;
4932 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4938 SendToBoth (char *msg)
4939 { // to make it easy to keep two engines in step in dual analysis
4940 SendToProgram(msg, &first);
4941 if(second.analyzing) SendToProgram(msg, &second);
4945 AnalysisPeriodicEvent (int force)
4947 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4948 && !force) || !appData.periodicUpdates)
4951 /* Send . command to Crafty to collect stats */
4954 /* Don't send another until we get a response (this makes
4955 us stop sending to old Crafty's which don't understand
4956 the "." command (sending illegal cmds resets node count & time,
4957 which looks bad)) */
4958 programStats.ok_to_send = 0;
4962 ics_update_width (int new_width)
4964 ics_printf("set width %d\n", new_width);
4968 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4972 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4973 // null move in variant where engine does not understand it (for analysis purposes)
4974 SendBoard(cps, moveNum + 1); // send position after move in stead.
4977 if (cps->useUsermove) {
4978 SendToProgram("usermove ", cps);
4982 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4983 int len = space - parseList[moveNum];
4984 memcpy(buf, parseList[moveNum], len);
4986 buf[len] = NULLCHAR;
4988 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4990 SendToProgram(buf, cps);
4992 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4993 AlphaRank(moveList[moveNum], 4);
4994 SendToProgram(moveList[moveNum], cps);
4995 AlphaRank(moveList[moveNum], 4); // and back
4997 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4998 * the engine. It would be nice to have a better way to identify castle
5000 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
5001 && cps->useOOCastle) {
5002 int fromX = moveList[moveNum][0] - AAA;
5003 int fromY = moveList[moveNum][1] - ONE;
5004 int toX = moveList[moveNum][2] - AAA;
5005 int toY = moveList[moveNum][3] - ONE;
5006 if((boards[moveNum][fromY][fromX] == WhiteKing
5007 && boards[moveNum][toY][toX] == WhiteRook)
5008 || (boards[moveNum][fromY][fromX] == BlackKing
5009 && boards[moveNum][toY][toX] == BlackRook)) {
5010 if(toX > fromX) SendToProgram("O-O\n", cps);
5011 else SendToProgram("O-O-O\n", cps);
5013 else SendToProgram(moveList[moveNum], cps);
5015 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5016 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5017 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5018 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5019 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5021 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5022 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5023 SendToProgram(buf, cps);
5025 else SendToProgram(moveList[moveNum], cps);
5026 /* End of additions by Tord */
5029 /* [HGM] setting up the opening has brought engine in force mode! */
5030 /* Send 'go' if we are in a mode where machine should play. */
5031 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5032 (gameMode == TwoMachinesPlay ||
5034 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5036 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5037 SendToProgram("go\n", cps);
5038 if (appData.debugMode) {
5039 fprintf(debugFP, "(extra)\n");
5042 setboardSpoiledMachineBlack = 0;
5046 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5048 char user_move[MSG_SIZ];
5051 if(gameInfo.variant == VariantSChess && promoChar) {
5052 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5053 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5054 } else suffix[0] = NULLCHAR;
5058 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5059 (int)moveType, fromX, fromY, toX, toY);
5060 DisplayError(user_move + strlen("say "), 0);
5062 case WhiteKingSideCastle:
5063 case BlackKingSideCastle:
5064 case WhiteQueenSideCastleWild:
5065 case BlackQueenSideCastleWild:
5067 case WhiteHSideCastleFR:
5068 case BlackHSideCastleFR:
5070 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5072 case WhiteQueenSideCastle:
5073 case BlackQueenSideCastle:
5074 case WhiteKingSideCastleWild:
5075 case BlackKingSideCastleWild:
5077 case WhiteASideCastleFR:
5078 case BlackASideCastleFR:
5080 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5082 case WhiteNonPromotion:
5083 case BlackNonPromotion:
5084 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5086 case WhitePromotion:
5087 case BlackPromotion:
5088 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5089 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5090 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5091 PieceToChar(WhiteFerz));
5092 else if(gameInfo.variant == VariantGreat)
5093 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5094 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5095 PieceToChar(WhiteMan));
5097 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5098 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5104 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5105 ToUpper(PieceToChar((ChessSquare) fromX)),
5106 AAA + toX, ONE + toY);
5108 case IllegalMove: /* could be a variant we don't quite understand */
5109 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5111 case WhiteCapturesEnPassant:
5112 case BlackCapturesEnPassant:
5113 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5114 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5117 SendToICS(user_move);
5118 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5119 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5124 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5125 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5126 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5127 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5128 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5131 if(gameMode != IcsExamining) { // is this ever not the case?
5132 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5134 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5135 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5136 } else { // on FICS we must first go to general examine mode
5137 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5139 if(gameInfo.variant != VariantNormal) {
5140 // try figure out wild number, as xboard names are not always valid on ICS
5141 for(i=1; i<=36; i++) {
5142 snprintf(buf, MSG_SIZ, "wild/%d", i);
5143 if(StringToVariant(buf) == gameInfo.variant) break;
5145 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5146 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5147 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5148 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5149 SendToICS(ics_prefix);
5151 if(startedFromSetupPosition || backwardMostMove != 0) {
5152 fen = PositionToFEN(backwardMostMove, NULL);
5153 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5154 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5156 } else { // FICS: everything has to set by separate bsetup commands
5157 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5158 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5160 if(!WhiteOnMove(backwardMostMove)) {
5161 SendToICS("bsetup tomove black\n");
5163 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5164 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5166 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5167 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5169 i = boards[backwardMostMove][EP_STATUS];
5170 if(i >= 0) { // set e.p.
5171 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5177 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5178 SendToICS("bsetup done\n"); // switch to normal examining.
5180 for(i = backwardMostMove; i<last; i++) {
5182 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5183 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5184 int len = strlen(moveList[i]);
5185 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5186 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5190 SendToICS(ics_prefix);
5191 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5195 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5197 if (rf == DROP_RANK) {
5198 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5199 sprintf(move, "%c@%c%c\n",
5200 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5202 if (promoChar == 'x' || promoChar == NULLCHAR) {
5203 sprintf(move, "%c%c%c%c\n",
5204 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5206 sprintf(move, "%c%c%c%c%c\n",
5207 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5213 ProcessICSInitScript (FILE *f)
5217 while (fgets(buf, MSG_SIZ, f)) {
5218 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5225 static int lastX, lastY, selectFlag, dragging;
5230 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5231 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5232 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5233 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5234 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5235 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5238 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5239 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5240 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5241 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5242 if(!step) step = -1;
5243 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5244 appData.testLegality && (promoSweep == king ||
5245 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5247 int victim = boards[currentMove][toY][toX];
5248 boards[currentMove][toY][toX] = promoSweep;
5249 DrawPosition(FALSE, boards[currentMove]);
5250 boards[currentMove][toY][toX] = victim;
5252 ChangeDragPiece(promoSweep);
5256 PromoScroll (int x, int y)
5260 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5261 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5262 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5263 if(!step) return FALSE;
5264 lastX = x; lastY = y;
5265 if((promoSweep < BlackPawn) == flipView) step = -step;
5266 if(step > 0) selectFlag = 1;
5267 if(!selectFlag) Sweep(step);
5272 NextPiece (int step)
5274 ChessSquare piece = boards[currentMove][toY][toX];
5277 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5278 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5279 if(!step) step = -1;
5280 } while(PieceToChar(pieceSweep) == '.');
5281 boards[currentMove][toY][toX] = pieceSweep;
5282 DrawPosition(FALSE, boards[currentMove]);
5283 boards[currentMove][toY][toX] = piece;
5285 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5287 AlphaRank (char *move, int n)
5289 // char *p = move, c; int x, y;
5291 if (appData.debugMode) {
5292 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5296 move[2]>='0' && move[2]<='9' &&
5297 move[3]>='a' && move[3]<='x' ) {
5299 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5300 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5302 if(move[0]>='0' && move[0]<='9' &&
5303 move[1]>='a' && move[1]<='x' &&
5304 move[2]>='0' && move[2]<='9' &&
5305 move[3]>='a' && move[3]<='x' ) {
5306 /* input move, Shogi -> normal */
5307 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5308 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5309 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5310 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5313 move[3]>='0' && move[3]<='9' &&
5314 move[2]>='a' && move[2]<='x' ) {
5316 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5317 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5320 move[0]>='a' && move[0]<='x' &&
5321 move[3]>='0' && move[3]<='9' &&
5322 move[2]>='a' && move[2]<='x' ) {
5323 /* output move, normal -> Shogi */
5324 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5325 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5326 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5327 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5328 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5330 if (appData.debugMode) {
5331 fprintf(debugFP, " out = '%s'\n", move);
5335 char yy_textstr[8000];
5337 /* Parser for moves from gnuchess, ICS, or user typein box */
5339 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5341 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5343 switch (*moveType) {
5344 case WhitePromotion:
5345 case BlackPromotion:
5346 case WhiteNonPromotion:
5347 case BlackNonPromotion:
5349 case WhiteCapturesEnPassant:
5350 case BlackCapturesEnPassant:
5351 case WhiteKingSideCastle:
5352 case WhiteQueenSideCastle:
5353 case BlackKingSideCastle:
5354 case BlackQueenSideCastle:
5355 case WhiteKingSideCastleWild:
5356 case WhiteQueenSideCastleWild:
5357 case BlackKingSideCastleWild:
5358 case BlackQueenSideCastleWild:
5359 /* Code added by Tord: */
5360 case WhiteHSideCastleFR:
5361 case WhiteASideCastleFR:
5362 case BlackHSideCastleFR:
5363 case BlackASideCastleFR:
5364 /* End of code added by Tord */
5365 case IllegalMove: /* bug or odd chess variant */
5366 *fromX = currentMoveString[0] - AAA;
5367 *fromY = currentMoveString[1] - ONE;
5368 *toX = currentMoveString[2] - AAA;
5369 *toY = currentMoveString[3] - ONE;
5370 *promoChar = currentMoveString[4];
5371 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5372 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5373 if (appData.debugMode) {
5374 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5376 *fromX = *fromY = *toX = *toY = 0;
5379 if (appData.testLegality) {
5380 return (*moveType != IllegalMove);
5382 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5383 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5388 *fromX = *moveType == WhiteDrop ?
5389 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5390 (int) CharToPiece(ToLower(currentMoveString[0]));
5392 *toX = currentMoveString[2] - AAA;
5393 *toY = currentMoveString[3] - ONE;
5394 *promoChar = NULLCHAR;
5398 case ImpossibleMove:
5408 if (appData.debugMode) {
5409 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5412 *fromX = *fromY = *toX = *toY = 0;
5413 *promoChar = NULLCHAR;
5418 Boolean pushed = FALSE;
5419 char *lastParseAttempt;
5422 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5423 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5424 int fromX, fromY, toX, toY; char promoChar;
5429 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5430 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5431 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5434 endPV = forwardMostMove;
5436 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5437 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5438 lastParseAttempt = pv;
5439 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5440 if(!valid && nr == 0 &&
5441 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5442 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5443 // Hande case where played move is different from leading PV move
5444 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5445 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5446 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5447 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5448 endPV += 2; // if position different, keep this
5449 moveList[endPV-1][0] = fromX + AAA;
5450 moveList[endPV-1][1] = fromY + ONE;
5451 moveList[endPV-1][2] = toX + AAA;
5452 moveList[endPV-1][3] = toY + ONE;
5453 parseList[endPV-1][0] = NULLCHAR;
5454 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5457 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5458 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5459 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5460 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5461 valid++; // allow comments in PV
5465 if(endPV+1 > framePtr) break; // no space, truncate
5468 CopyBoard(boards[endPV], boards[endPV-1]);
5469 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5470 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5471 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5472 CoordsToAlgebraic(boards[endPV - 1],
5473 PosFlags(endPV - 1),
5474 fromY, fromX, toY, toX, promoChar,
5475 parseList[endPV - 1]);
5477 if(atEnd == 2) return; // used hidden, for PV conversion
5478 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5479 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5480 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5481 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5482 DrawPosition(TRUE, boards[currentMove]);
5486 MultiPV (ChessProgramState *cps)
5487 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5489 for(i=0; i<cps->nrOptions; i++)
5490 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5496 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5498 int startPV, multi, lineStart, origIndex = index;
5499 char *p, buf2[MSG_SIZ];
5500 ChessProgramState *cps = (pane ? &second : &first);
5502 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5503 lastX = x; lastY = y;
5504 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5505 lineStart = startPV = index;
5506 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5507 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5509 do{ while(buf[index] && buf[index] != '\n') index++;
5510 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5512 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5513 int n = cps->option[multi].value;
5514 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5515 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5516 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5517 cps->option[multi].value = n;
5520 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5521 ExcludeClick(origIndex - lineStart);
5524 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5525 *start = startPV; *end = index-1;
5532 static char buf[10*MSG_SIZ];
5533 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5535 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5536 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5537 for(i = forwardMostMove; i<endPV; i++){
5538 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5539 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5542 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5543 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5544 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5550 LoadPV (int x, int y)
5551 { // called on right mouse click to load PV
5552 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5553 lastX = x; lastY = y;
5554 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5561 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5562 if(endPV < 0) return;
5563 if(appData.autoCopyPV) CopyFENToClipboard();
5565 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5566 Boolean saveAnimate = appData.animate;
5568 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5569 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5570 } else storedGames--; // abandon shelved tail of original game
5573 forwardMostMove = currentMove;
5574 currentMove = oldFMM;
5575 appData.animate = FALSE;
5576 ToNrEvent(forwardMostMove);
5577 appData.animate = saveAnimate;
5579 currentMove = forwardMostMove;
5580 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5581 ClearPremoveHighlights();
5582 DrawPosition(TRUE, boards[currentMove]);
5586 MovePV (int x, int y, int h)
5587 { // step through PV based on mouse coordinates (called on mouse move)
5588 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5590 // we must somehow check if right button is still down (might be released off board!)
5591 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5592 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5593 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5595 lastX = x; lastY = y;
5597 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5598 if(endPV < 0) return;
5599 if(y < margin) step = 1; else
5600 if(y > h - margin) step = -1;
5601 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5602 currentMove += step;
5603 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5604 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5605 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5606 DrawPosition(FALSE, boards[currentMove]);
5610 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5611 // All positions will have equal probability, but the current method will not provide a unique
5612 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5618 int piecesLeft[(int)BlackPawn];
5619 int seed, nrOfShuffles;
5622 GetPositionNumber ()
5623 { // sets global variable seed
5626 seed = appData.defaultFrcPosition;
5627 if(seed < 0) { // randomize based on time for negative FRC position numbers
5628 for(i=0; i<50; i++) seed += random();
5629 seed = random() ^ random() >> 8 ^ random() << 8;
5630 if(seed<0) seed = -seed;
5635 put (Board board, int pieceType, int rank, int n, int shade)
5636 // put the piece on the (n-1)-th empty squares of the given shade
5640 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5641 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5642 board[rank][i] = (ChessSquare) pieceType;
5643 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5645 piecesLeft[pieceType]--;
5654 AddOnePiece (Board board, int pieceType, int rank, int shade)
5655 // calculate where the next piece goes, (any empty square), and put it there
5659 i = seed % squaresLeft[shade];
5660 nrOfShuffles *= squaresLeft[shade];
5661 seed /= squaresLeft[shade];
5662 put(board, pieceType, rank, i, shade);
5666 AddTwoPieces (Board board, int pieceType, int rank)
5667 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5669 int i, n=squaresLeft[ANY], j=n-1, k;
5671 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5672 i = seed % k; // pick one
5675 while(i >= j) i -= j--;
5676 j = n - 1 - j; i += j;
5677 put(board, pieceType, rank, j, ANY);
5678 put(board, pieceType, rank, i, ANY);
5682 SetUpShuffle (Board board, int number)
5686 GetPositionNumber(); nrOfShuffles = 1;
5688 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5689 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5690 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5692 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5694 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5695 p = (int) board[0][i];
5696 if(p < (int) BlackPawn) piecesLeft[p] ++;
5697 board[0][i] = EmptySquare;
5700 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5701 // shuffles restricted to allow normal castling put KRR first
5702 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5703 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5704 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5705 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5706 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5707 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5708 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5709 put(board, WhiteRook, 0, 0, ANY);
5710 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5713 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5714 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5715 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5716 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5717 while(piecesLeft[p] >= 2) {
5718 AddOnePiece(board, p, 0, LITE);
5719 AddOnePiece(board, p, 0, DARK);
5721 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5724 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5725 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5726 // but we leave King and Rooks for last, to possibly obey FRC restriction
5727 if(p == (int)WhiteRook) continue;
5728 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5729 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5732 // now everything is placed, except perhaps King (Unicorn) and Rooks
5734 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5735 // Last King gets castling rights
5736 while(piecesLeft[(int)WhiteUnicorn]) {
5737 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5738 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5741 while(piecesLeft[(int)WhiteKing]) {
5742 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5743 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5748 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5749 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5752 // Only Rooks can be left; simply place them all
5753 while(piecesLeft[(int)WhiteRook]) {
5754 i = put(board, WhiteRook, 0, 0, ANY);
5755 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5758 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5760 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5763 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5764 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5767 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5771 SetCharTable (char *table, const char * map)
5772 /* [HGM] moved here from winboard.c because of its general usefulness */
5773 /* Basically a safe strcpy that uses the last character as King */
5775 int result = FALSE; int NrPieces;
5777 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5778 && NrPieces >= 12 && !(NrPieces&1)) {
5779 int i; /* [HGM] Accept even length from 12 to 34 */
5781 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5782 for( i=0; i<NrPieces/2-1; i++ ) {
5784 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5786 table[(int) WhiteKing] = map[NrPieces/2-1];
5787 table[(int) BlackKing] = map[NrPieces-1];
5796 Prelude (Board board)
5797 { // [HGM] superchess: random selection of exo-pieces
5798 int i, j, k; ChessSquare p;
5799 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5801 GetPositionNumber(); // use FRC position number
5803 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5804 SetCharTable(pieceToChar, appData.pieceToCharTable);
5805 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5806 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5809 j = seed%4; seed /= 4;
5810 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5811 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5812 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5813 j = seed%3 + (seed%3 >= j); seed /= 3;
5814 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5815 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5816 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5817 j = seed%3; seed /= 3;
5818 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5819 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5820 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5821 j = seed%2 + (seed%2 >= j); seed /= 2;
5822 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5823 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5824 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5825 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5826 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5827 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5828 put(board, exoPieces[0], 0, 0, ANY);
5829 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5833 InitPosition (int redraw)
5835 ChessSquare (* pieces)[BOARD_FILES];
5836 int i, j, pawnRow, overrule,
5837 oldx = gameInfo.boardWidth,
5838 oldy = gameInfo.boardHeight,
5839 oldh = gameInfo.holdingsWidth;
5842 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5844 /* [AS] Initialize pv info list [HGM] and game status */
5846 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5847 pvInfoList[i].depth = 0;
5848 boards[i][EP_STATUS] = EP_NONE;
5849 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5852 initialRulePlies = 0; /* 50-move counter start */
5854 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5855 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5859 /* [HGM] logic here is completely changed. In stead of full positions */
5860 /* the initialized data only consist of the two backranks. The switch */
5861 /* selects which one we will use, which is than copied to the Board */
5862 /* initialPosition, which for the rest is initialized by Pawns and */
5863 /* empty squares. This initial position is then copied to boards[0], */
5864 /* possibly after shuffling, so that it remains available. */
5866 gameInfo.holdingsWidth = 0; /* default board sizes */
5867 gameInfo.boardWidth = 8;
5868 gameInfo.boardHeight = 8;
5869 gameInfo.holdingsSize = 0;
5870 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5871 for(i=0; i<BOARD_FILES-2; i++)
5872 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5873 initialPosition[EP_STATUS] = EP_NONE;
5874 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5875 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5876 SetCharTable(pieceNickName, appData.pieceNickNames);
5877 else SetCharTable(pieceNickName, "............");
5880 switch (gameInfo.variant) {
5881 case VariantFischeRandom:
5882 shuffleOpenings = TRUE;
5885 case VariantShatranj:
5886 pieces = ShatranjArray;
5887 nrCastlingRights = 0;
5888 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5891 pieces = makrukArray;
5892 nrCastlingRights = 0;
5893 startedFromSetupPosition = TRUE;
5894 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5896 case VariantTwoKings:
5897 pieces = twoKingsArray;
5900 pieces = GrandArray;
5901 nrCastlingRights = 0;
5902 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5903 gameInfo.boardWidth = 10;
5904 gameInfo.boardHeight = 10;
5905 gameInfo.holdingsSize = 7;
5907 case VariantCapaRandom:
5908 shuffleOpenings = TRUE;
5909 case VariantCapablanca:
5910 pieces = CapablancaArray;
5911 gameInfo.boardWidth = 10;
5912 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5915 pieces = GothicArray;
5916 gameInfo.boardWidth = 10;
5917 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5920 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5921 gameInfo.holdingsSize = 7;
5922 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5925 pieces = JanusArray;
5926 gameInfo.boardWidth = 10;
5927 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5928 nrCastlingRights = 6;
5929 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5930 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5931 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5932 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5933 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5934 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5937 pieces = FalconArray;
5938 gameInfo.boardWidth = 10;
5939 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5941 case VariantXiangqi:
5942 pieces = XiangqiArray;
5943 gameInfo.boardWidth = 9;
5944 gameInfo.boardHeight = 10;
5945 nrCastlingRights = 0;
5946 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5949 pieces = ShogiArray;
5950 gameInfo.boardWidth = 9;
5951 gameInfo.boardHeight = 9;
5952 gameInfo.holdingsSize = 7;
5953 nrCastlingRights = 0;
5954 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5956 case VariantCourier:
5957 pieces = CourierArray;
5958 gameInfo.boardWidth = 12;
5959 nrCastlingRights = 0;
5960 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5962 case VariantKnightmate:
5963 pieces = KnightmateArray;
5964 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5966 case VariantSpartan:
5967 pieces = SpartanArray;
5968 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5971 pieces = fairyArray;
5972 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5975 pieces = GreatArray;
5976 gameInfo.boardWidth = 10;
5977 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5978 gameInfo.holdingsSize = 8;
5982 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5983 gameInfo.holdingsSize = 8;
5984 startedFromSetupPosition = TRUE;
5986 case VariantCrazyhouse:
5987 case VariantBughouse:
5989 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5990 gameInfo.holdingsSize = 5;
5992 case VariantWildCastle:
5994 /* !!?shuffle with kings guaranteed to be on d or e file */
5995 shuffleOpenings = 1;
5997 case VariantNoCastle:
5999 nrCastlingRights = 0;
6000 /* !!?unconstrained back-rank shuffle */
6001 shuffleOpenings = 1;
6006 if(appData.NrFiles >= 0) {
6007 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6008 gameInfo.boardWidth = appData.NrFiles;
6010 if(appData.NrRanks >= 0) {
6011 gameInfo.boardHeight = appData.NrRanks;
6013 if(appData.holdingsSize >= 0) {
6014 i = appData.holdingsSize;
6015 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6016 gameInfo.holdingsSize = i;
6018 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6019 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6020 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6022 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6023 if(pawnRow < 1) pawnRow = 1;
6024 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6026 /* User pieceToChar list overrules defaults */
6027 if(appData.pieceToCharTable != NULL)
6028 SetCharTable(pieceToChar, appData.pieceToCharTable);
6030 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6032 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6033 s = (ChessSquare) 0; /* account holding counts in guard band */
6034 for( i=0; i<BOARD_HEIGHT; i++ )
6035 initialPosition[i][j] = s;
6037 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6038 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6039 initialPosition[pawnRow][j] = WhitePawn;
6040 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6041 if(gameInfo.variant == VariantXiangqi) {
6043 initialPosition[pawnRow][j] =
6044 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6045 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6046 initialPosition[2][j] = WhiteCannon;
6047 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6051 if(gameInfo.variant == VariantGrand) {
6052 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6053 initialPosition[0][j] = WhiteRook;
6054 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6057 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6059 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6062 initialPosition[1][j] = WhiteBishop;
6063 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6065 initialPosition[1][j] = WhiteRook;
6066 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6069 if( nrCastlingRights == -1) {
6070 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6071 /* This sets default castling rights from none to normal corners */
6072 /* Variants with other castling rights must set them themselves above */
6073 nrCastlingRights = 6;
6075 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6076 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6077 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6078 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6079 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6080 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6083 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6084 if(gameInfo.variant == VariantGreat) { // promotion commoners
6085 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6086 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6087 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6088 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6090 if( gameInfo.variant == VariantSChess ) {
6091 initialPosition[1][0] = BlackMarshall;
6092 initialPosition[2][0] = BlackAngel;
6093 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6094 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6095 initialPosition[1][1] = initialPosition[2][1] =
6096 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6098 if (appData.debugMode) {
6099 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6101 if(shuffleOpenings) {
6102 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6103 startedFromSetupPosition = TRUE;
6105 if(startedFromPositionFile) {
6106 /* [HGM] loadPos: use PositionFile for every new game */
6107 CopyBoard(initialPosition, filePosition);
6108 for(i=0; i<nrCastlingRights; i++)
6109 initialRights[i] = filePosition[CASTLING][i];
6110 startedFromSetupPosition = TRUE;
6113 CopyBoard(boards[0], initialPosition);
6115 if(oldx != gameInfo.boardWidth ||
6116 oldy != gameInfo.boardHeight ||
6117 oldv != gameInfo.variant ||
6118 oldh != gameInfo.holdingsWidth
6120 InitDrawingSizes(-2 ,0);
6122 oldv = gameInfo.variant;
6124 DrawPosition(TRUE, boards[currentMove]);
6128 SendBoard (ChessProgramState *cps, int moveNum)
6130 char message[MSG_SIZ];
6132 if (cps->useSetboard) {
6133 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6134 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6135 SendToProgram(message, cps);
6140 int i, j, left=0, right=BOARD_WIDTH;
6141 /* Kludge to set black to move, avoiding the troublesome and now
6142 * deprecated "black" command.
6144 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6145 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6147 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6149 SendToProgram("edit\n", cps);
6150 SendToProgram("#\n", cps);
6151 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6152 bp = &boards[moveNum][i][left];
6153 for (j = left; j < right; j++, bp++) {
6154 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6155 if ((int) *bp < (int) BlackPawn) {
6156 if(j == BOARD_RGHT+1)
6157 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6158 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6159 if(message[0] == '+' || message[0] == '~') {
6160 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6161 PieceToChar((ChessSquare)(DEMOTED *bp)),
6164 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6165 message[1] = BOARD_RGHT - 1 - j + '1';
6166 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6168 SendToProgram(message, cps);
6173 SendToProgram("c\n", cps);
6174 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6175 bp = &boards[moveNum][i][left];
6176 for (j = left; j < right; j++, bp++) {
6177 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6178 if (((int) *bp != (int) EmptySquare)
6179 && ((int) *bp >= (int) BlackPawn)) {
6180 if(j == BOARD_LEFT-2)
6181 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6182 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6184 if(message[0] == '+' || message[0] == '~') {
6185 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6186 PieceToChar((ChessSquare)(DEMOTED *bp)),
6189 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6190 message[1] = BOARD_RGHT - 1 - j + '1';
6191 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6193 SendToProgram(message, cps);
6198 SendToProgram(".\n", cps);
6200 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6203 char exclusionHeader[MSG_SIZ];
6204 int exCnt, excludePtr;
6205 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6206 static Exclusion excluTab[200];
6207 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6213 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6214 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6220 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6221 excludePtr = 24; exCnt = 0;
6226 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6227 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6228 char buf[2*MOVE_LEN], *p;
6229 Exclusion *e = excluTab;
6231 for(i=0; i<exCnt; i++)
6232 if(e[i].ff == fromX && e[i].fr == fromY &&
6233 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6234 if(i == exCnt) { // was not in exclude list; add it
6235 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6236 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6237 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6240 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6241 excludePtr++; e[i].mark = excludePtr++;
6242 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6245 exclusionHeader[e[i].mark] = state;
6249 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6250 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6254 if((signed char)promoChar == -1) { // kludge to indicate best move
6255 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6256 return 1; // if unparsable, abort
6258 // update exclusion map (resolving toggle by consulting existing state)
6259 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6261 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6262 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6263 excludeMap[k] |= 1<<j;
6264 else excludeMap[k] &= ~(1<<j);
6266 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6268 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6269 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6271 return (state == '+');
6275 ExcludeClick (int index)
6278 Exclusion *e = excluTab;
6279 if(index < 25) { // none, best or tail clicked
6280 if(index < 13) { // none: include all
6281 WriteMap(0); // clear map
6282 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6283 SendToBoth("include all\n"); // and inform engine
6284 } else if(index > 18) { // tail
6285 if(exclusionHeader[19] == '-') { // tail was excluded
6286 SendToBoth("include all\n");
6287 WriteMap(0); // clear map completely
6288 // now re-exclude selected moves
6289 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6290 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6291 } else { // tail was included or in mixed state
6292 SendToBoth("exclude all\n");
6293 WriteMap(0xFF); // fill map completely
6294 // now re-include selected moves
6295 j = 0; // count them
6296 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6297 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6298 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6301 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6304 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6305 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6306 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6313 DefaultPromoChoice (int white)
6316 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6317 result = WhiteFerz; // no choice
6318 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6319 result= WhiteKing; // in Suicide Q is the last thing we want
6320 else if(gameInfo.variant == VariantSpartan)
6321 result = white ? WhiteQueen : WhiteAngel;
6322 else result = WhiteQueen;
6323 if(!white) result = WHITE_TO_BLACK result;
6327 static int autoQueen; // [HGM] oneclick
6330 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6332 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6333 /* [HGM] add Shogi promotions */
6334 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6339 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6340 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6342 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6343 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6346 piece = boards[currentMove][fromY][fromX];
6347 if(gameInfo.variant == VariantShogi) {
6348 promotionZoneSize = BOARD_HEIGHT/3;
6349 highestPromotingPiece = (int)WhiteFerz;
6350 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6351 promotionZoneSize = 3;
6354 // Treat Lance as Pawn when it is not representing Amazon
6355 if(gameInfo.variant != VariantSuper) {
6356 if(piece == WhiteLance) piece = WhitePawn; else
6357 if(piece == BlackLance) piece = BlackPawn;
6360 // next weed out all moves that do not touch the promotion zone at all
6361 if((int)piece >= BlackPawn) {
6362 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6364 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6366 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6367 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6370 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6372 // weed out mandatory Shogi promotions
6373 if(gameInfo.variant == VariantShogi) {
6374 if(piece >= BlackPawn) {
6375 if(toY == 0 && piece == BlackPawn ||
6376 toY == 0 && piece == BlackQueen ||
6377 toY <= 1 && piece == BlackKnight) {
6382 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6383 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6384 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6391 // weed out obviously illegal Pawn moves
6392 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6393 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6394 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6395 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6396 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6397 // note we are not allowed to test for valid (non-)capture, due to premove
6400 // we either have a choice what to promote to, or (in Shogi) whether to promote
6401 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6402 *promoChoice = PieceToChar(BlackFerz); // no choice
6405 // no sense asking what we must promote to if it is going to explode...
6406 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6407 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6410 // give caller the default choice even if we will not make it
6411 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6412 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6413 if( sweepSelect && gameInfo.variant != VariantGreat
6414 && gameInfo.variant != VariantGrand
6415 && gameInfo.variant != VariantSuper) return FALSE;
6416 if(autoQueen) return FALSE; // predetermined
6418 // suppress promotion popup on illegal moves that are not premoves
6419 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6420 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6421 if(appData.testLegality && !premove) {
6422 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6423 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6424 if(moveType != WhitePromotion && moveType != BlackPromotion)
6432 InPalace (int row, int column)
6433 { /* [HGM] for Xiangqi */
6434 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6435 column < (BOARD_WIDTH + 4)/2 &&
6436 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6441 PieceForSquare (int x, int y)
6443 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6446 return boards[currentMove][y][x];
6450 OKToStartUserMove (int x, int y)
6452 ChessSquare from_piece;
6455 if (matchMode) return FALSE;
6456 if (gameMode == EditPosition) return TRUE;
6458 if (x >= 0 && y >= 0)
6459 from_piece = boards[currentMove][y][x];
6461 from_piece = EmptySquare;
6463 if (from_piece == EmptySquare) return FALSE;
6465 white_piece = (int)from_piece >= (int)WhitePawn &&
6466 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6470 case TwoMachinesPlay:
6478 case MachinePlaysWhite:
6479 case IcsPlayingBlack:
6480 if (appData.zippyPlay) return FALSE;
6482 DisplayMoveError(_("You are playing Black"));
6487 case MachinePlaysBlack:
6488 case IcsPlayingWhite:
6489 if (appData.zippyPlay) return FALSE;
6491 DisplayMoveError(_("You are playing White"));
6496 case PlayFromGameFile:
6497 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6499 if (!white_piece && WhiteOnMove(currentMove)) {
6500 DisplayMoveError(_("It is White's turn"));
6503 if (white_piece && !WhiteOnMove(currentMove)) {
6504 DisplayMoveError(_("It is Black's turn"));
6507 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6508 /* Editing correspondence game history */
6509 /* Could disallow this or prompt for confirmation */
6514 case BeginningOfGame:
6515 if (appData.icsActive) return FALSE;
6516 if (!appData.noChessProgram) {
6518 DisplayMoveError(_("You are playing White"));
6525 if (!white_piece && WhiteOnMove(currentMove)) {
6526 DisplayMoveError(_("It is White's turn"));
6529 if (white_piece && !WhiteOnMove(currentMove)) {
6530 DisplayMoveError(_("It is Black's turn"));
6539 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6540 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6541 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6542 && gameMode != AnalyzeFile && gameMode != Training) {
6543 DisplayMoveError(_("Displayed position is not current"));
6550 OnlyMove (int *x, int *y, Boolean captures)
6552 DisambiguateClosure cl;
6553 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6555 case MachinePlaysBlack:
6556 case IcsPlayingWhite:
6557 case BeginningOfGame:
6558 if(!WhiteOnMove(currentMove)) return FALSE;
6560 case MachinePlaysWhite:
6561 case IcsPlayingBlack:
6562 if(WhiteOnMove(currentMove)) return FALSE;
6569 cl.pieceIn = EmptySquare;
6574 cl.promoCharIn = NULLCHAR;
6575 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6576 if( cl.kind == NormalMove ||
6577 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6578 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6579 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6586 if(cl.kind != ImpossibleMove) return FALSE;
6587 cl.pieceIn = EmptySquare;
6592 cl.promoCharIn = NULLCHAR;
6593 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6594 if( cl.kind == NormalMove ||
6595 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6596 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6597 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6602 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6608 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6609 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6610 int lastLoadGameUseList = FALSE;
6611 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6612 ChessMove lastLoadGameStart = EndOfFile;
6616 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6620 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6622 /* Check if the user is playing in turn. This is complicated because we
6623 let the user "pick up" a piece before it is his turn. So the piece he
6624 tried to pick up may have been captured by the time he puts it down!
6625 Therefore we use the color the user is supposed to be playing in this
6626 test, not the color of the piece that is currently on the starting
6627 square---except in EditGame mode, where the user is playing both
6628 sides; fortunately there the capture race can't happen. (It can
6629 now happen in IcsExamining mode, but that's just too bad. The user
6630 will get a somewhat confusing message in that case.)
6635 case TwoMachinesPlay:
6639 /* We switched into a game mode where moves are not accepted,
6640 perhaps while the mouse button was down. */
6643 case MachinePlaysWhite:
6644 /* User is moving for Black */
6645 if (WhiteOnMove(currentMove)) {
6646 DisplayMoveError(_("It is White's turn"));
6651 case MachinePlaysBlack:
6652 /* User is moving for White */
6653 if (!WhiteOnMove(currentMove)) {
6654 DisplayMoveError(_("It is Black's turn"));
6659 case PlayFromGameFile:
6660 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6663 case BeginningOfGame:
6666 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6667 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6668 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6669 /* User is moving for Black */
6670 if (WhiteOnMove(currentMove)) {
6671 DisplayMoveError(_("It is White's turn"));
6675 /* User is moving for White */
6676 if (!WhiteOnMove(currentMove)) {
6677 DisplayMoveError(_("It is Black's turn"));
6683 case IcsPlayingBlack:
6684 /* User is moving for Black */
6685 if (WhiteOnMove(currentMove)) {
6686 if (!appData.premove) {
6687 DisplayMoveError(_("It is White's turn"));
6688 } else if (toX >= 0 && toY >= 0) {
6691 premoveFromX = fromX;
6692 premoveFromY = fromY;
6693 premovePromoChar = promoChar;
6695 if (appData.debugMode)
6696 fprintf(debugFP, "Got premove: fromX %d,"
6697 "fromY %d, toX %d, toY %d\n",
6698 fromX, fromY, toX, toY);
6704 case IcsPlayingWhite:
6705 /* User is moving for White */
6706 if (!WhiteOnMove(currentMove)) {
6707 if (!appData.premove) {
6708 DisplayMoveError(_("It is Black's turn"));
6709 } else if (toX >= 0 && toY >= 0) {
6712 premoveFromX = fromX;
6713 premoveFromY = fromY;
6714 premovePromoChar = promoChar;
6716 if (appData.debugMode)
6717 fprintf(debugFP, "Got premove: fromX %d,"
6718 "fromY %d, toX %d, toY %d\n",
6719 fromX, fromY, toX, toY);
6729 /* EditPosition, empty square, or different color piece;
6730 click-click move is possible */
6731 if (toX == -2 || toY == -2) {
6732 boards[0][fromY][fromX] = EmptySquare;
6733 DrawPosition(FALSE, boards[currentMove]);
6735 } else if (toX >= 0 && toY >= 0) {
6736 boards[0][toY][toX] = boards[0][fromY][fromX];
6737 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6738 if(boards[0][fromY][0] != EmptySquare) {
6739 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6740 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6743 if(fromX == BOARD_RGHT+1) {
6744 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6745 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6746 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6749 boards[0][fromY][fromX] = gatingPiece;
6750 DrawPosition(FALSE, boards[currentMove]);
6756 if(toX < 0 || toY < 0) return;
6757 pup = boards[currentMove][toY][toX];
6759 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6760 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6761 if( pup != EmptySquare ) return;
6762 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6763 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6764 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6765 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6766 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6767 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6768 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6772 /* [HGM] always test for legality, to get promotion info */
6773 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6774 fromY, fromX, toY, toX, promoChar);
6776 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6778 /* [HGM] but possibly ignore an IllegalMove result */
6779 if (appData.testLegality) {
6780 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6781 DisplayMoveError(_("Illegal move"));
6786 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6787 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6788 ClearPremoveHighlights(); // was included
6789 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6793 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6796 /* Common tail of UserMoveEvent and DropMenuEvent */
6798 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6802 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6803 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6804 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6805 if(WhiteOnMove(currentMove)) {
6806 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6808 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6812 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6813 move type in caller when we know the move is a legal promotion */
6814 if(moveType == NormalMove && promoChar)
6815 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6817 /* [HGM] <popupFix> The following if has been moved here from
6818 UserMoveEvent(). Because it seemed to belong here (why not allow
6819 piece drops in training games?), and because it can only be
6820 performed after it is known to what we promote. */
6821 if (gameMode == Training) {
6822 /* compare the move played on the board to the next move in the
6823 * game. If they match, display the move and the opponent's response.
6824 * If they don't match, display an error message.
6828 CopyBoard(testBoard, boards[currentMove]);
6829 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6831 if (CompareBoards(testBoard, boards[currentMove+1])) {
6832 ForwardInner(currentMove+1);
6834 /* Autoplay the opponent's response.
6835 * if appData.animate was TRUE when Training mode was entered,
6836 * the response will be animated.
6838 saveAnimate = appData.animate;
6839 appData.animate = animateTraining;
6840 ForwardInner(currentMove+1);
6841 appData.animate = saveAnimate;
6843 /* check for the end of the game */
6844 if (currentMove >= forwardMostMove) {
6845 gameMode = PlayFromGameFile;
6847 SetTrainingModeOff();
6848 DisplayInformation(_("End of game"));
6851 DisplayError(_("Incorrect move"), 0);
6856 /* Ok, now we know that the move is good, so we can kill
6857 the previous line in Analysis Mode */
6858 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6859 && currentMove < forwardMostMove) {
6860 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6861 else forwardMostMove = currentMove;
6866 /* If we need the chess program but it's dead, restart it */
6867 ResurrectChessProgram();
6869 /* A user move restarts a paused game*/
6873 thinkOutput[0] = NULLCHAR;
6875 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6877 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6878 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6882 if (gameMode == BeginningOfGame) {
6883 if (appData.noChessProgram) {
6884 gameMode = EditGame;
6888 gameMode = MachinePlaysBlack;
6891 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6893 if (first.sendName) {
6894 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6895 SendToProgram(buf, &first);
6902 /* Relay move to ICS or chess engine */
6903 if (appData.icsActive) {
6904 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6905 gameMode == IcsExamining) {
6906 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6907 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6909 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6911 // also send plain move, in case ICS does not understand atomic claims
6912 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6916 if (first.sendTime && (gameMode == BeginningOfGame ||
6917 gameMode == MachinePlaysWhite ||
6918 gameMode == MachinePlaysBlack)) {
6919 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6921 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6922 // [HGM] book: if program might be playing, let it use book
6923 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6924 first.maybeThinking = TRUE;
6925 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6926 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6927 SendBoard(&first, currentMove+1);
6928 if(second.analyzing) {
6929 if(!second.useSetboard) SendToProgram("undo\n", &second);
6930 SendBoard(&second, currentMove+1);
6933 SendMoveToProgram(forwardMostMove-1, &first);
6934 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6936 if (currentMove == cmailOldMove + 1) {
6937 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6941 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6945 if(appData.testLegality)
6946 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6952 if (WhiteOnMove(currentMove)) {
6953 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6955 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6959 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6964 case MachinePlaysBlack:
6965 case MachinePlaysWhite:
6966 /* disable certain menu options while machine is thinking */
6967 SetMachineThinkingEnables();
6974 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6975 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6977 if(bookHit) { // [HGM] book: simulate book reply
6978 static char bookMove[MSG_SIZ]; // a bit generous?
6980 programStats.nodes = programStats.depth = programStats.time =
6981 programStats.score = programStats.got_only_move = 0;
6982 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6984 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6985 strcat(bookMove, bookHit);
6986 HandleMachineMove(bookMove, &first);
6992 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6994 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6995 Markers *m = (Markers *) closure;
6996 if(rf == fromY && ff == fromX)
6997 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6998 || kind == WhiteCapturesEnPassant
6999 || kind == BlackCapturesEnPassant);
7000 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7004 MarkTargetSquares (int clear)
7007 if(clear) // no reason to ever suppress clearing
7008 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
7009 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7010 !appData.testLegality || gameMode == EditPosition) return;
7013 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7014 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7015 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7017 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7020 DrawPosition(FALSE, NULL);
7024 Explode (Board board, int fromX, int fromY, int toX, int toY)
7026 if(gameInfo.variant == VariantAtomic &&
7027 (board[toY][toX] != EmptySquare || // capture?
7028 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7029 board[fromY][fromX] == BlackPawn )
7031 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7037 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7040 CanPromote (ChessSquare piece, int y)
7042 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7043 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7044 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7045 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7046 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7047 gameInfo.variant == VariantMakruk) return FALSE;
7048 return (piece == BlackPawn && y == 1 ||
7049 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7050 piece == BlackLance && y == 1 ||
7051 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7055 LeftClick (ClickType clickType, int xPix, int yPix)
7058 Boolean saveAnimate;
7059 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7060 char promoChoice = NULLCHAR;
7062 static TimeMark lastClickTime, prevClickTime;
7064 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7066 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7068 if (clickType == Press) ErrorPopDown();
7070 x = EventToSquare(xPix, BOARD_WIDTH);
7071 y = EventToSquare(yPix, BOARD_HEIGHT);
7072 if (!flipView && y >= 0) {
7073 y = BOARD_HEIGHT - 1 - y;
7075 if (flipView && x >= 0) {
7076 x = BOARD_WIDTH - 1 - x;
7079 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7080 defaultPromoChoice = promoSweep;
7081 promoSweep = EmptySquare; // terminate sweep
7082 promoDefaultAltered = TRUE;
7083 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7086 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7087 if(clickType == Release) return; // ignore upclick of click-click destination
7088 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7089 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7090 if(gameInfo.holdingsWidth &&
7091 (WhiteOnMove(currentMove)
7092 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7093 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7094 // click in right holdings, for determining promotion piece
7095 ChessSquare p = boards[currentMove][y][x];
7096 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7097 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7098 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7099 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7104 DrawPosition(FALSE, boards[currentMove]);
7108 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7109 if(clickType == Press
7110 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7111 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7112 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7115 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7116 // could be static click on premove from-square: abort premove
7118 ClearPremoveHighlights();
7121 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7122 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7124 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7125 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7126 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7127 defaultPromoChoice = DefaultPromoChoice(side);
7130 autoQueen = appData.alwaysPromoteToQueen;
7134 gatingPiece = EmptySquare;
7135 if (clickType != Press) {
7136 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7137 DragPieceEnd(xPix, yPix); dragging = 0;
7138 DrawPosition(FALSE, NULL);
7142 doubleClick = FALSE;
7143 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7144 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7146 fromX = x; fromY = y; toX = toY = -1;
7147 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7148 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7149 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7151 if (OKToStartUserMove(fromX, fromY)) {
7153 MarkTargetSquares(0);
7154 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7155 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7156 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7157 promoSweep = defaultPromoChoice;
7158 selectFlag = 0; lastX = xPix; lastY = yPix;
7159 Sweep(0); // Pawn that is going to promote: preview promotion piece
7160 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7162 if (appData.highlightDragging) {
7163 SetHighlights(fromX, fromY, -1, -1);
7167 } else fromX = fromY = -1;
7173 if (clickType == Press && gameMode != EditPosition) {
7178 // ignore off-board to clicks
7179 if(y < 0 || x < 0) return;
7181 /* Check if clicking again on the same color piece */
7182 fromP = boards[currentMove][fromY][fromX];
7183 toP = boards[currentMove][y][x];
7184 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7185 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7186 WhitePawn <= toP && toP <= WhiteKing &&
7187 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7188 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7189 (BlackPawn <= fromP && fromP <= BlackKing &&
7190 BlackPawn <= toP && toP <= BlackKing &&
7191 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7192 !(fromP == BlackKing && toP == BlackRook && frc))) {
7193 /* Clicked again on same color piece -- changed his mind */
7194 second = (x == fromX && y == fromY);
7195 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7196 second = FALSE; // first double-click rather than scond click
7197 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7199 promoDefaultAltered = FALSE;
7200 MarkTargetSquares(1);
7201 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7202 if (appData.highlightDragging) {
7203 SetHighlights(x, y, -1, -1);
7207 if (OKToStartUserMove(x, y)) {
7208 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7209 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7210 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7211 gatingPiece = boards[currentMove][fromY][fromX];
7212 else gatingPiece = doubleClick ? fromP : EmptySquare;
7214 fromY = y; dragging = 1;
7215 MarkTargetSquares(0);
7216 DragPieceBegin(xPix, yPix, FALSE);
7217 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7218 promoSweep = defaultPromoChoice;
7219 selectFlag = 0; lastX = xPix; lastY = yPix;
7220 Sweep(0); // Pawn that is going to promote: preview promotion piece
7224 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7227 // ignore clicks on holdings
7228 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7231 if (clickType == Release && x == fromX && y == fromY) {
7232 DragPieceEnd(xPix, yPix); dragging = 0;
7234 // a deferred attempt to click-click move an empty square on top of a piece
7235 boards[currentMove][y][x] = EmptySquare;
7237 DrawPosition(FALSE, boards[currentMove]);
7238 fromX = fromY = -1; clearFlag = 0;
7241 if (appData.animateDragging) {
7242 /* Undo animation damage if any */
7243 DrawPosition(FALSE, NULL);
7245 if (second || sweepSelecting) {
7246 /* Second up/down in same square; just abort move */
7247 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7248 second = sweepSelecting = 0;
7250 gatingPiece = EmptySquare;
7253 ClearPremoveHighlights();
7255 /* First upclick in same square; start click-click mode */
7256 SetHighlights(x, y, -1, -1);
7263 /* we now have a different from- and (possibly off-board) to-square */
7264 /* Completed move */
7265 if(!sweepSelecting) {
7268 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7270 saveAnimate = appData.animate;
7271 if (clickType == Press) {
7272 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7273 // must be Edit Position mode with empty-square selected
7274 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7275 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7278 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7279 if(appData.sweepSelect) {
7280 ChessSquare piece = boards[currentMove][fromY][fromX];
7281 promoSweep = defaultPromoChoice;
7282 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7283 selectFlag = 0; lastX = xPix; lastY = yPix;
7284 Sweep(0); // Pawn that is going to promote: preview promotion piece
7286 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7287 MarkTargetSquares(1);
7289 return; // promo popup appears on up-click
7291 /* Finish clickclick move */
7292 if (appData.animate || appData.highlightLastMove) {
7293 SetHighlights(fromX, fromY, toX, toY);
7299 // [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
7300 /* Finish drag move */
7301 if (appData.highlightLastMove) {
7302 SetHighlights(fromX, fromY, toX, toY);
7307 DragPieceEnd(xPix, yPix); dragging = 0;
7308 /* Don't animate move and drag both */
7309 appData.animate = FALSE;
7312 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7313 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7314 ChessSquare piece = boards[currentMove][fromY][fromX];
7315 if(gameMode == EditPosition && piece != EmptySquare &&
7316 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7319 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7320 n = PieceToNumber(piece - (int)BlackPawn);
7321 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7322 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7323 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7325 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7326 n = PieceToNumber(piece);
7327 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7328 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7329 boards[currentMove][n][BOARD_WIDTH-2]++;
7331 boards[currentMove][fromY][fromX] = EmptySquare;
7335 MarkTargetSquares(1);
7336 DrawPosition(TRUE, boards[currentMove]);
7340 // off-board moves should not be highlighted
7341 if(x < 0 || y < 0) ClearHighlights();
7343 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7345 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7346 SetHighlights(fromX, fromY, toX, toY);
7347 MarkTargetSquares(1);
7348 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7349 // [HGM] super: promotion to captured piece selected from holdings
7350 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7351 promotionChoice = TRUE;
7352 // kludge follows to temporarily execute move on display, without promoting yet
7353 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7354 boards[currentMove][toY][toX] = p;
7355 DrawPosition(FALSE, boards[currentMove]);
7356 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7357 boards[currentMove][toY][toX] = q;
7358 DisplayMessage("Click in holdings to choose piece", "");
7363 int oldMove = currentMove;
7364 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7365 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7366 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7367 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7368 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7369 DrawPosition(TRUE, boards[currentMove]);
7370 MarkTargetSquares(1);
7373 appData.animate = saveAnimate;
7374 if (appData.animate || appData.animateDragging) {
7375 /* Undo animation damage if needed */
7376 DrawPosition(FALSE, NULL);
7381 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7382 { // front-end-free part taken out of PieceMenuPopup
7383 int whichMenu; int xSqr, ySqr;
7385 if(seekGraphUp) { // [HGM] seekgraph
7386 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7387 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7391 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7392 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7393 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7394 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7395 if(action == Press) {
7396 originalFlip = flipView;
7397 flipView = !flipView; // temporarily flip board to see game from partners perspective
7398 DrawPosition(TRUE, partnerBoard);
7399 DisplayMessage(partnerStatus, "");
7401 } else if(action == Release) {
7402 flipView = originalFlip;
7403 DrawPosition(TRUE, boards[currentMove]);
7409 xSqr = EventToSquare(x, BOARD_WIDTH);
7410 ySqr = EventToSquare(y, BOARD_HEIGHT);
7411 if (action == Release) {
7412 if(pieceSweep != EmptySquare) {
7413 EditPositionMenuEvent(pieceSweep, toX, toY);
7414 pieceSweep = EmptySquare;
7415 } else UnLoadPV(); // [HGM] pv
7417 if (action != Press) return -2; // return code to be ignored
7420 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7422 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7423 if (xSqr < 0 || ySqr < 0) return -1;
7424 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7425 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7426 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7427 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7431 if(!appData.icsEngineAnalyze) return -1;
7432 case IcsPlayingWhite:
7433 case IcsPlayingBlack:
7434 if(!appData.zippyPlay) goto noZip;
7437 case MachinePlaysWhite:
7438 case MachinePlaysBlack:
7439 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7440 if (!appData.dropMenu) {
7442 return 2; // flag front-end to grab mouse events
7444 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7445 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7448 if (xSqr < 0 || ySqr < 0) return -1;
7449 if (!appData.dropMenu || appData.testLegality &&
7450 gameInfo.variant != VariantBughouse &&
7451 gameInfo.variant != VariantCrazyhouse) return -1;
7452 whichMenu = 1; // drop menu
7458 if (((*fromX = xSqr) < 0) ||
7459 ((*fromY = ySqr) < 0)) {
7460 *fromX = *fromY = -1;
7464 *fromX = BOARD_WIDTH - 1 - *fromX;
7466 *fromY = BOARD_HEIGHT - 1 - *fromY;
7472 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7474 // char * hint = lastHint;
7475 FrontEndProgramStats stats;
7477 stats.which = cps == &first ? 0 : 1;
7478 stats.depth = cpstats->depth;
7479 stats.nodes = cpstats->nodes;
7480 stats.score = cpstats->score;
7481 stats.time = cpstats->time;
7482 stats.pv = cpstats->movelist;
7483 stats.hint = lastHint;
7484 stats.an_move_index = 0;
7485 stats.an_move_count = 0;
7487 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7488 stats.hint = cpstats->move_name;
7489 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7490 stats.an_move_count = cpstats->nr_moves;
7493 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
7495 SetProgramStats( &stats );
7499 ClearEngineOutputPane (int which)
7501 static FrontEndProgramStats dummyStats;
7502 dummyStats.which = which;
7503 dummyStats.pv = "#";
7504 SetProgramStats( &dummyStats );
7507 #define MAXPLAYERS 500
7510 TourneyStandings (int display)
7512 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7513 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7514 char result, *p, *names[MAXPLAYERS];
7516 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7517 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7518 names[0] = p = strdup(appData.participants);
7519 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7521 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7523 while(result = appData.results[nr]) {
7524 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7525 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7526 wScore = bScore = 0;
7528 case '+': wScore = 2; break;
7529 case '-': bScore = 2; break;
7530 case '=': wScore = bScore = 1; break;
7532 case '*': return strdup("busy"); // tourney not finished
7540 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7541 for(w=0; w<nPlayers; w++) {
7543 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7544 ranking[w] = b; points[w] = bScore; score[b] = -2;
7546 p = malloc(nPlayers*34+1);
7547 for(w=0; w<nPlayers && w<display; w++)
7548 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7554 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7555 { // count all piece types
7557 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7558 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7559 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7562 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7563 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7564 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7565 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7566 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7567 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7572 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7574 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7575 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7577 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7578 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7579 if(myPawns == 2 && nMine == 3) // KPP
7580 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7581 if(myPawns == 1 && nMine == 2) // KP
7582 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7583 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7584 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7585 if(myPawns) return FALSE;
7586 if(pCnt[WhiteRook+side])
7587 return pCnt[BlackRook-side] ||
7588 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7589 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7590 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7591 if(pCnt[WhiteCannon+side]) {
7592 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7593 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7595 if(pCnt[WhiteKnight+side])
7596 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7601 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7603 VariantClass v = gameInfo.variant;
7605 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7606 if(v == VariantShatranj) return TRUE; // always winnable through baring
7607 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7608 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7610 if(v == VariantXiangqi) {
7611 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7613 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7614 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7615 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7616 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7617 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7618 if(stale) // we have at least one last-rank P plus perhaps C
7619 return majors // KPKX
7620 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7622 return pCnt[WhiteFerz+side] // KCAK
7623 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7624 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7625 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7627 } else if(v == VariantKnightmate) {
7628 if(nMine == 1) return FALSE;
7629 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7630 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7631 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7633 if(nMine == 1) return FALSE; // bare King
7634 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
7635 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7636 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7637 // by now we have King + 1 piece (or multiple Bishops on the same color)
7638 if(pCnt[WhiteKnight+side])
7639 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7640 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7641 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7643 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7644 if(pCnt[WhiteAlfil+side])
7645 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7646 if(pCnt[WhiteWazir+side])
7647 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7654 CompareWithRights (Board b1, Board b2)
7657 if(!CompareBoards(b1, b2)) return FALSE;
7658 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7659 /* compare castling rights */
7660 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7661 rights++; /* King lost rights, while rook still had them */
7662 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7663 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7664 rights++; /* but at least one rook lost them */
7666 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7668 if( b1[CASTLING][5] != NoRights ) {
7669 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7676 Adjudicate (ChessProgramState *cps)
7677 { // [HGM] some adjudications useful with buggy engines
7678 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7679 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7680 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7681 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7682 int k, drop, count = 0; static int bare = 1;
7683 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7684 Boolean canAdjudicate = !appData.icsActive;
7686 // most tests only when we understand the game, i.e. legality-checking on
7687 if( appData.testLegality )
7688 { /* [HGM] Some more adjudications for obstinate engines */
7689 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7690 static int moveCount = 6;
7692 char *reason = NULL;
7694 /* Count what is on board. */
7695 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7697 /* Some material-based adjudications that have to be made before stalemate test */
7698 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7699 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7700 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7701 if(canAdjudicate && appData.checkMates) {
7703 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7704 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7705 "Xboard adjudication: King destroyed", GE_XBOARD );
7710 /* Bare King in Shatranj (loses) or Losers (wins) */
7711 if( nrW == 1 || nrB == 1) {
7712 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7713 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7714 if(canAdjudicate && appData.checkMates) {
7716 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7717 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7718 "Xboard adjudication: Bare king", GE_XBOARD );
7722 if( gameInfo.variant == VariantShatranj && --bare < 0)
7724 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7725 if(canAdjudicate && appData.checkMates) {
7726 /* but only adjudicate if adjudication enabled */
7728 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7729 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7730 "Xboard adjudication: Bare king", GE_XBOARD );
7737 // don't wait for engine to announce game end if we can judge ourselves
7738 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7740 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7741 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7742 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7743 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7746 reason = "Xboard adjudication: 3rd check";
7747 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7757 reason = "Xboard adjudication: Stalemate";
7758 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7759 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7760 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7761 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7762 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7763 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7764 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7765 EP_CHECKMATE : EP_WINS);
7766 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7767 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7771 reason = "Xboard adjudication: Checkmate";
7772 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7773 if(gameInfo.variant == VariantShogi) {
7774 if(forwardMostMove > backwardMostMove
7775 && moveList[forwardMostMove-1][1] == '@'
7776 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7777 reason = "XBoard adjudication: pawn-drop mate";
7778 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7784 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7786 result = GameIsDrawn; break;
7788 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7790 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7794 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7796 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7797 GameEnds( result, reason, GE_XBOARD );
7801 /* Next absolutely insufficient mating material. */
7802 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7803 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7804 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7806 /* always flag draws, for judging claims */
7807 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7809 if(canAdjudicate && appData.materialDraws) {
7810 /* but only adjudicate them if adjudication enabled */
7811 if(engineOpponent) {
7812 SendToProgram("force\n", engineOpponent); // suppress reply
7813 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7815 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7820 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7821 if(gameInfo.variant == VariantXiangqi ?
7822 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7824 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7825 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7826 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7827 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7829 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7830 { /* if the first 3 moves do not show a tactical win, declare draw */
7831 if(engineOpponent) {
7832 SendToProgram("force\n", engineOpponent); // suppress reply
7833 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7835 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7838 } else moveCount = 6;
7841 // Repetition draws and 50-move rule can be applied independently of legality testing
7843 /* Check for rep-draws */
7845 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7846 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7847 for(k = forwardMostMove-2;
7848 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7849 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7850 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7853 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7854 /* compare castling rights */
7855 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7856 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7857 rights++; /* King lost rights, while rook still had them */
7858 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7859 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7860 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7861 rights++; /* but at least one rook lost them */
7863 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7864 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7866 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7867 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7868 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7871 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7872 && appData.drawRepeats > 1) {
7873 /* adjudicate after user-specified nr of repeats */
7874 int result = GameIsDrawn;
7875 char *details = "XBoard adjudication: repetition draw";
7876 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7877 // [HGM] xiangqi: check for forbidden perpetuals
7878 int m, ourPerpetual = 1, hisPerpetual = 1;
7879 for(m=forwardMostMove; m>k; m-=2) {
7880 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7881 ourPerpetual = 0; // the current mover did not always check
7882 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7883 hisPerpetual = 0; // the opponent did not always check
7885 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7886 ourPerpetual, hisPerpetual);
7887 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7888 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7889 details = "Xboard adjudication: perpetual checking";
7891 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7892 break; // (or we would have caught him before). Abort repetition-checking loop.
7894 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7895 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7897 details = "Xboard adjudication: repetition";
7899 } else // it must be XQ
7900 // Now check for perpetual chases
7901 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7902 hisPerpetual = PerpetualChase(k, forwardMostMove);
7903 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7904 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7905 static char resdet[MSG_SIZ];
7906 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7908 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7910 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7911 break; // Abort repetition-checking loop.
7913 // if neither of us is checking or chasing all the time, or both are, it is draw
7915 if(engineOpponent) {
7916 SendToProgram("force\n", engineOpponent); // suppress reply
7917 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7919 GameEnds( result, details, GE_XBOARD );
7922 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7923 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7927 /* Now we test for 50-move draws. Determine ply count */
7928 count = forwardMostMove;
7929 /* look for last irreversble move */
7930 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7932 /* if we hit starting position, add initial plies */
7933 if( count == backwardMostMove )
7934 count -= initialRulePlies;
7935 count = forwardMostMove - count;
7936 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7937 // adjust reversible move counter for checks in Xiangqi
7938 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7939 if(i < backwardMostMove) i = backwardMostMove;
7940 while(i <= forwardMostMove) {
7941 lastCheck = inCheck; // check evasion does not count
7942 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7943 if(inCheck || lastCheck) count--; // check does not count
7948 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7949 /* this is used to judge if draw claims are legal */
7950 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7951 if(engineOpponent) {
7952 SendToProgram("force\n", engineOpponent); // suppress reply
7953 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7955 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7959 /* if draw offer is pending, treat it as a draw claim
7960 * when draw condition present, to allow engines a way to
7961 * claim draws before making their move to avoid a race
7962 * condition occurring after their move
7964 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7966 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7967 p = "Draw claim: 50-move rule";
7968 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7969 p = "Draw claim: 3-fold repetition";
7970 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7971 p = "Draw claim: insufficient mating material";
7972 if( p != NULL && canAdjudicate) {
7973 if(engineOpponent) {
7974 SendToProgram("force\n", engineOpponent); // suppress reply
7975 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7977 GameEnds( GameIsDrawn, p, GE_XBOARD );
7982 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7983 if(engineOpponent) {
7984 SendToProgram("force\n", engineOpponent); // suppress reply
7985 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7987 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7994 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7995 { // [HGM] book: this routine intercepts moves to simulate book replies
7996 char *bookHit = NULL;
7998 //first determine if the incoming move brings opponent into his book
7999 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8000 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8001 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8002 if(bookHit != NULL && !cps->bookSuspend) {
8003 // make sure opponent is not going to reply after receiving move to book position
8004 SendToProgram("force\n", cps);
8005 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8007 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8008 // now arrange restart after book miss
8010 // after a book hit we never send 'go', and the code after the call to this routine
8011 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8012 char buf[MSG_SIZ], *move = bookHit;
8014 int fromX, fromY, toX, toY;
8018 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8019 &fromX, &fromY, &toX, &toY, &promoChar)) {
8020 (void) CoordsToAlgebraic(boards[forwardMostMove],
8021 PosFlags(forwardMostMove),
8022 fromY, fromX, toY, toX, promoChar, move);
8024 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8028 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8029 SendToProgram(buf, cps);
8030 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8031 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8032 SendToProgram("go\n", cps);
8033 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8034 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8035 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8036 SendToProgram("go\n", cps);
8037 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8039 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8043 LoadError (char *errmess, ChessProgramState *cps)
8044 { // unloads engine and switches back to -ncp mode if it was first
8045 if(cps->initDone) return FALSE;
8046 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8047 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8050 appData.noChessProgram = TRUE;
8051 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8052 gameMode = BeginningOfGame; ModeHighlight();
8055 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8056 DisplayMessage("", ""); // erase waiting message
8057 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8062 ChessProgramState *savedState;
8064 DeferredBookMove (void)
8066 if(savedState->lastPing != savedState->lastPong)
8067 ScheduleDelayedEvent(DeferredBookMove, 10);
8069 HandleMachineMove(savedMessage, savedState);
8072 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8073 static ChessProgramState *stalledEngine;
8074 static char stashedInputMove[MSG_SIZ];
8077 HandleMachineMove (char *message, ChessProgramState *cps)
8079 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8080 char realname[MSG_SIZ];
8081 int fromX, fromY, toX, toY;
8085 int machineWhite, oldError;
8088 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8089 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8090 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8091 DisplayError(_("Invalid pairing from pairing engine"), 0);
8094 pairingReceived = 1;
8096 return; // Skim the pairing messages here.
8099 oldError = cps->userError; cps->userError = 0;
8101 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8103 * Kludge to ignore BEL characters
8105 while (*message == '\007') message++;
8108 * [HGM] engine debug message: ignore lines starting with '#' character
8110 if(cps->debug && *message == '#') return;
8113 * Look for book output
8115 if (cps == &first && bookRequested) {
8116 if (message[0] == '\t' || message[0] == ' ') {
8117 /* Part of the book output is here; append it */
8118 strcat(bookOutput, message);
8119 strcat(bookOutput, " \n");
8121 } else if (bookOutput[0] != NULLCHAR) {
8122 /* All of book output has arrived; display it */
8123 char *p = bookOutput;
8124 while (*p != NULLCHAR) {
8125 if (*p == '\t') *p = ' ';
8128 DisplayInformation(bookOutput);
8129 bookRequested = FALSE;
8130 /* Fall through to parse the current output */
8135 * Look for machine move.
8137 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8138 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8140 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8141 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8142 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8143 stalledEngine = cps;
8144 if(appData.ponderNextMove) { // bring opponent out of ponder
8145 if(gameMode == TwoMachinesPlay) {
8146 if(cps->other->pause)
8147 PauseEngine(cps->other);
8149 SendToProgram("easy\n", cps->other);
8156 /* This method is only useful on engines that support ping */
8157 if (cps->lastPing != cps->lastPong) {
8158 if (gameMode == BeginningOfGame) {
8159 /* Extra move from before last new; ignore */
8160 if (appData.debugMode) {
8161 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8164 if (appData.debugMode) {
8165 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8166 cps->which, gameMode);
8169 SendToProgram("undo\n", cps);
8175 case BeginningOfGame:
8176 /* Extra move from before last reset; ignore */
8177 if (appData.debugMode) {
8178 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8185 /* Extra move after we tried to stop. The mode test is
8186 not a reliable way of detecting this problem, but it's
8187 the best we can do on engines that don't support ping.
8189 if (appData.debugMode) {
8190 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8191 cps->which, gameMode);
8193 SendToProgram("undo\n", cps);
8196 case MachinePlaysWhite:
8197 case IcsPlayingWhite:
8198 machineWhite = TRUE;
8201 case MachinePlaysBlack:
8202 case IcsPlayingBlack:
8203 machineWhite = FALSE;
8206 case TwoMachinesPlay:
8207 machineWhite = (cps->twoMachinesColor[0] == 'w');
8210 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8211 if (appData.debugMode) {
8213 "Ignoring move out of turn by %s, gameMode %d"
8214 ", forwardMost %d\n",
8215 cps->which, gameMode, forwardMostMove);
8220 if(cps->alphaRank) AlphaRank(machineMove, 4);
8221 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8222 &fromX, &fromY, &toX, &toY, &promoChar)) {
8223 /* Machine move could not be parsed; ignore it. */
8224 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8225 machineMove, _(cps->which));
8226 DisplayMoveError(buf1);
8227 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8228 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8229 if (gameMode == TwoMachinesPlay) {
8230 GameEnds(machineWhite ? BlackWins : WhiteWins,
8236 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8237 /* So we have to redo legality test with true e.p. status here, */
8238 /* to make sure an illegal e.p. capture does not slip through, */
8239 /* to cause a forfeit on a justified illegal-move complaint */
8240 /* of the opponent. */
8241 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8243 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8244 fromY, fromX, toY, toX, promoChar);
8245 if(moveType == IllegalMove) {
8246 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8247 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8248 GameEnds(machineWhite ? BlackWins : WhiteWins,
8251 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8252 /* [HGM] Kludge to handle engines that send FRC-style castling
8253 when they shouldn't (like TSCP-Gothic) */
8255 case WhiteASideCastleFR:
8256 case BlackASideCastleFR:
8258 currentMoveString[2]++;
8260 case WhiteHSideCastleFR:
8261 case BlackHSideCastleFR:
8263 currentMoveString[2]--;
8265 default: ; // nothing to do, but suppresses warning of pedantic compilers
8268 hintRequested = FALSE;
8269 lastHint[0] = NULLCHAR;
8270 bookRequested = FALSE;
8271 /* Program may be pondering now */
8272 cps->maybeThinking = TRUE;
8273 if (cps->sendTime == 2) cps->sendTime = 1;
8274 if (cps->offeredDraw) cps->offeredDraw--;
8276 /* [AS] Save move info*/
8277 pvInfoList[ forwardMostMove ].score = programStats.score;
8278 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8279 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8281 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8283 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8284 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8287 while( count < adjudicateLossPlies ) {
8288 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8291 score = -score; /* Flip score for winning side */
8294 if( score > adjudicateLossThreshold ) {
8301 if( count >= adjudicateLossPlies ) {
8302 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8304 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8305 "Xboard adjudication",
8312 if(Adjudicate(cps)) {
8313 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8314 return; // [HGM] adjudicate: for all automatic game ends
8318 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8320 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8321 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8323 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8325 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8327 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8328 char buf[3*MSG_SIZ];
8330 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8331 programStats.score / 100.,
8333 programStats.time / 100.,
8334 (unsigned int)programStats.nodes,
8335 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8336 programStats.movelist);
8338 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8343 /* [AS] Clear stats for next move */
8344 ClearProgramStats();
8345 thinkOutput[0] = NULLCHAR;
8346 hiddenThinkOutputState = 0;
8349 if (gameMode == TwoMachinesPlay) {
8350 /* [HGM] relaying draw offers moved to after reception of move */
8351 /* and interpreting offer as claim if it brings draw condition */
8352 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8353 SendToProgram("draw\n", cps->other);
8355 if (cps->other->sendTime) {
8356 SendTimeRemaining(cps->other,
8357 cps->other->twoMachinesColor[0] == 'w');
8359 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8360 if (firstMove && !bookHit) {
8362 if (cps->other->useColors) {
8363 SendToProgram(cps->other->twoMachinesColor, cps->other);
8365 SendToProgram("go\n", cps->other);
8367 cps->other->maybeThinking = TRUE;
8370 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8372 if (!pausing && appData.ringBellAfterMoves) {
8377 * Reenable menu items that were disabled while
8378 * machine was thinking
8380 if (gameMode != TwoMachinesPlay)
8381 SetUserThinkingEnables();
8383 // [HGM] book: after book hit opponent has received move and is now in force mode
8384 // force the book reply into it, and then fake that it outputted this move by jumping
8385 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8387 static char bookMove[MSG_SIZ]; // a bit generous?
8389 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8390 strcat(bookMove, bookHit);
8393 programStats.nodes = programStats.depth = programStats.time =
8394 programStats.score = programStats.got_only_move = 0;
8395 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8397 if(cps->lastPing != cps->lastPong) {
8398 savedMessage = message; // args for deferred call
8400 ScheduleDelayedEvent(DeferredBookMove, 10);
8409 /* Set special modes for chess engines. Later something general
8410 * could be added here; for now there is just one kludge feature,
8411 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8412 * when "xboard" is given as an interactive command.
8414 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8415 cps->useSigint = FALSE;
8416 cps->useSigterm = FALSE;
8418 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8419 ParseFeatures(message+8, cps);
8420 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8423 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8424 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8425 int dummy, s=6; char buf[MSG_SIZ];
8426 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8427 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8428 if(startedFromSetupPosition) return;
8429 ParseFEN(boards[0], &dummy, message+s);
8430 DrawPosition(TRUE, boards[0]);
8431 startedFromSetupPosition = TRUE;
8434 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8435 * want this, I was asked to put it in, and obliged.
8437 if (!strncmp(message, "setboard ", 9)) {
8438 Board initial_position;
8440 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8442 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8443 DisplayError(_("Bad FEN received from engine"), 0);
8447 CopyBoard(boards[0], initial_position);
8448 initialRulePlies = FENrulePlies;
8449 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8450 else gameMode = MachinePlaysBlack;
8451 DrawPosition(FALSE, boards[currentMove]);
8457 * Look for communication commands
8459 if (!strncmp(message, "telluser ", 9)) {
8460 if(message[9] == '\\' && message[10] == '\\')
8461 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8463 DisplayNote(message + 9);
8466 if (!strncmp(message, "tellusererror ", 14)) {
8468 if(message[14] == '\\' && message[15] == '\\')
8469 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8471 DisplayError(message + 14, 0);
8474 if (!strncmp(message, "tellopponent ", 13)) {
8475 if (appData.icsActive) {
8477 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8481 DisplayNote(message + 13);
8485 if (!strncmp(message, "tellothers ", 11)) {
8486 if (appData.icsActive) {
8488 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8491 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8494 if (!strncmp(message, "tellall ", 8)) {
8495 if (appData.icsActive) {
8497 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8501 DisplayNote(message + 8);
8505 if (strncmp(message, "warning", 7) == 0) {
8506 /* Undocumented feature, use tellusererror in new code */
8507 DisplayError(message, 0);
8510 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8511 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8512 strcat(realname, " query");
8513 AskQuestion(realname, buf2, buf1, cps->pr);
8516 /* Commands from the engine directly to ICS. We don't allow these to be
8517 * sent until we are logged on. Crafty kibitzes have been known to
8518 * interfere with the login process.
8521 if (!strncmp(message, "tellics ", 8)) {
8522 SendToICS(message + 8);
8526 if (!strncmp(message, "tellicsnoalias ", 15)) {
8527 SendToICS(ics_prefix);
8528 SendToICS(message + 15);
8532 /* The following are for backward compatibility only */
8533 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8534 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8535 SendToICS(ics_prefix);
8541 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8545 * If the move is illegal, cancel it and redraw the board.
8546 * Also deal with other error cases. Matching is rather loose
8547 * here to accommodate engines written before the spec.
8549 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8550 strncmp(message, "Error", 5) == 0) {
8551 if (StrStr(message, "name") ||
8552 StrStr(message, "rating") || StrStr(message, "?") ||
8553 StrStr(message, "result") || StrStr(message, "board") ||
8554 StrStr(message, "bk") || StrStr(message, "computer") ||
8555 StrStr(message, "variant") || StrStr(message, "hint") ||
8556 StrStr(message, "random") || StrStr(message, "depth") ||
8557 StrStr(message, "accepted")) {
8560 if (StrStr(message, "protover")) {
8561 /* Program is responding to input, so it's apparently done
8562 initializing, and this error message indicates it is
8563 protocol version 1. So we don't need to wait any longer
8564 for it to initialize and send feature commands. */
8565 FeatureDone(cps, 1);
8566 cps->protocolVersion = 1;
8569 cps->maybeThinking = FALSE;
8571 if (StrStr(message, "draw")) {
8572 /* Program doesn't have "draw" command */
8573 cps->sendDrawOffers = 0;
8576 if (cps->sendTime != 1 &&
8577 (StrStr(message, "time") || StrStr(message, "otim"))) {
8578 /* Program apparently doesn't have "time" or "otim" command */
8582 if (StrStr(message, "analyze")) {
8583 cps->analysisSupport = FALSE;
8584 cps->analyzing = FALSE;
8585 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8586 EditGameEvent(); // [HGM] try to preserve loaded game
8587 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8588 DisplayError(buf2, 0);
8591 if (StrStr(message, "(no matching move)st")) {
8592 /* Special kludge for GNU Chess 4 only */
8593 cps->stKludge = TRUE;
8594 SendTimeControl(cps, movesPerSession, timeControl,
8595 timeIncrement, appData.searchDepth,
8599 if (StrStr(message, "(no matching move)sd")) {
8600 /* Special kludge for GNU Chess 4 only */
8601 cps->sdKludge = TRUE;
8602 SendTimeControl(cps, movesPerSession, timeControl,
8603 timeIncrement, appData.searchDepth,
8607 if (!StrStr(message, "llegal")) {
8610 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8611 gameMode == IcsIdle) return;
8612 if (forwardMostMove <= backwardMostMove) return;
8613 if (pausing) PauseEvent();
8614 if(appData.forceIllegal) {
8615 // [HGM] illegal: machine refused move; force position after move into it
8616 SendToProgram("force\n", cps);
8617 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8618 // we have a real problem now, as SendBoard will use the a2a3 kludge
8619 // when black is to move, while there might be nothing on a2 or black
8620 // might already have the move. So send the board as if white has the move.
8621 // But first we must change the stm of the engine, as it refused the last move
8622 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8623 if(WhiteOnMove(forwardMostMove)) {
8624 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8625 SendBoard(cps, forwardMostMove); // kludgeless board
8627 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8628 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8629 SendBoard(cps, forwardMostMove+1); // kludgeless board
8631 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8632 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8633 gameMode == TwoMachinesPlay)
8634 SendToProgram("go\n", cps);
8637 if (gameMode == PlayFromGameFile) {
8638 /* Stop reading this game file */
8639 gameMode = EditGame;
8642 /* [HGM] illegal-move claim should forfeit game when Xboard */
8643 /* only passes fully legal moves */
8644 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8645 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8646 "False illegal-move claim", GE_XBOARD );
8647 return; // do not take back move we tested as valid
8649 currentMove = forwardMostMove-1;
8650 DisplayMove(currentMove-1); /* before DisplayMoveError */
8651 SwitchClocks(forwardMostMove-1); // [HGM] race
8652 DisplayBothClocks();
8653 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8654 parseList[currentMove], _(cps->which));
8655 DisplayMoveError(buf1);
8656 DrawPosition(FALSE, boards[currentMove]);
8658 SetUserThinkingEnables();
8661 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8662 /* Program has a broken "time" command that
8663 outputs a string not ending in newline.
8669 * If chess program startup fails, exit with an error message.
8670 * Attempts to recover here are futile. [HGM] Well, we try anyway
8672 if ((StrStr(message, "unknown host") != NULL)
8673 || (StrStr(message, "No remote directory") != NULL)
8674 || (StrStr(message, "not found") != NULL)
8675 || (StrStr(message, "No such file") != NULL)
8676 || (StrStr(message, "can't alloc") != NULL)
8677 || (StrStr(message, "Permission denied") != NULL)) {
8679 cps->maybeThinking = FALSE;
8680 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8681 _(cps->which), cps->program, cps->host, message);
8682 RemoveInputSource(cps->isr);
8683 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8684 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8685 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8691 * Look for hint output
8693 if (sscanf(message, "Hint: %s", buf1) == 1) {
8694 if (cps == &first && hintRequested) {
8695 hintRequested = FALSE;
8696 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8697 &fromX, &fromY, &toX, &toY, &promoChar)) {
8698 (void) CoordsToAlgebraic(boards[forwardMostMove],
8699 PosFlags(forwardMostMove),
8700 fromY, fromX, toY, toX, promoChar, buf1);
8701 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8702 DisplayInformation(buf2);
8704 /* Hint move could not be parsed!? */
8705 snprintf(buf2, sizeof(buf2),
8706 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8707 buf1, _(cps->which));
8708 DisplayError(buf2, 0);
8711 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8717 * Ignore other messages if game is not in progress
8719 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8720 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8723 * look for win, lose, draw, or draw offer
8725 if (strncmp(message, "1-0", 3) == 0) {
8726 char *p, *q, *r = "";
8727 p = strchr(message, '{');
8735 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8737 } else if (strncmp(message, "0-1", 3) == 0) {
8738 char *p, *q, *r = "";
8739 p = strchr(message, '{');
8747 /* Kludge for Arasan 4.1 bug */
8748 if (strcmp(r, "Black resigns") == 0) {
8749 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8752 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8754 } else if (strncmp(message, "1/2", 3) == 0) {
8755 char *p, *q, *r = "";
8756 p = strchr(message, '{');
8765 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8768 } else if (strncmp(message, "White resign", 12) == 0) {
8769 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8771 } else if (strncmp(message, "Black resign", 12) == 0) {
8772 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8774 } else if (strncmp(message, "White matches", 13) == 0 ||
8775 strncmp(message, "Black matches", 13) == 0 ) {
8776 /* [HGM] ignore GNUShogi noises */
8778 } else if (strncmp(message, "White", 5) == 0 &&
8779 message[5] != '(' &&
8780 StrStr(message, "Black") == NULL) {
8781 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8783 } else if (strncmp(message, "Black", 5) == 0 &&
8784 message[5] != '(') {
8785 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8787 } else if (strcmp(message, "resign") == 0 ||
8788 strcmp(message, "computer resigns") == 0) {
8790 case MachinePlaysBlack:
8791 case IcsPlayingBlack:
8792 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8794 case MachinePlaysWhite:
8795 case IcsPlayingWhite:
8796 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8798 case TwoMachinesPlay:
8799 if (cps->twoMachinesColor[0] == 'w')
8800 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8802 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8809 } else if (strncmp(message, "opponent mates", 14) == 0) {
8811 case MachinePlaysBlack:
8812 case IcsPlayingBlack:
8813 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8815 case MachinePlaysWhite:
8816 case IcsPlayingWhite:
8817 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8819 case TwoMachinesPlay:
8820 if (cps->twoMachinesColor[0] == 'w')
8821 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8823 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8830 } else if (strncmp(message, "computer mates", 14) == 0) {
8832 case MachinePlaysBlack:
8833 case IcsPlayingBlack:
8834 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8836 case MachinePlaysWhite:
8837 case IcsPlayingWhite:
8838 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8840 case TwoMachinesPlay:
8841 if (cps->twoMachinesColor[0] == 'w')
8842 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8844 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8851 } else if (strncmp(message, "checkmate", 9) == 0) {
8852 if (WhiteOnMove(forwardMostMove)) {
8853 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8855 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8858 } else if (strstr(message, "Draw") != NULL ||
8859 strstr(message, "game is a draw") != NULL) {
8860 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8862 } else if (strstr(message, "offer") != NULL &&
8863 strstr(message, "draw") != NULL) {
8865 if (appData.zippyPlay && first.initDone) {
8866 /* Relay offer to ICS */
8867 SendToICS(ics_prefix);
8868 SendToICS("draw\n");
8871 cps->offeredDraw = 2; /* valid until this engine moves twice */
8872 if (gameMode == TwoMachinesPlay) {
8873 if (cps->other->offeredDraw) {
8874 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8875 /* [HGM] in two-machine mode we delay relaying draw offer */
8876 /* until after we also have move, to see if it is really claim */
8878 } else if (gameMode == MachinePlaysWhite ||
8879 gameMode == MachinePlaysBlack) {
8880 if (userOfferedDraw) {
8881 DisplayInformation(_("Machine accepts your draw offer"));
8882 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8884 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8891 * Look for thinking output
8893 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8894 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8896 int plylev, mvleft, mvtot, curscore, time;
8897 char mvname[MOVE_LEN];
8901 int prefixHint = FALSE;
8902 mvname[0] = NULLCHAR;
8905 case MachinePlaysBlack:
8906 case IcsPlayingBlack:
8907 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8909 case MachinePlaysWhite:
8910 case IcsPlayingWhite:
8911 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8916 case IcsObserving: /* [DM] icsEngineAnalyze */
8917 if (!appData.icsEngineAnalyze) ignore = TRUE;
8919 case TwoMachinesPlay:
8920 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8930 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8932 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8933 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8935 if (plyext != ' ' && plyext != '\t') {
8939 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8940 if( cps->scoreIsAbsolute &&
8941 ( gameMode == MachinePlaysBlack ||
8942 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8943 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8944 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8945 !WhiteOnMove(currentMove)
8948 curscore = -curscore;
8951 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8953 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8956 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8957 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8958 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8959 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8960 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8961 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8963 } else DisplayError(_("failed writing PV"), 0);
8966 tempStats.depth = plylev;
8967 tempStats.nodes = nodes;
8968 tempStats.time = time;
8969 tempStats.score = curscore;
8970 tempStats.got_only_move = 0;
8972 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8975 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8976 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8977 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8978 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8979 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8980 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8981 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8982 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8985 /* Buffer overflow protection */
8986 if (pv[0] != NULLCHAR) {
8987 if (strlen(pv) >= sizeof(tempStats.movelist)
8988 && appData.debugMode) {
8990 "PV is too long; using the first %u bytes.\n",
8991 (unsigned) sizeof(tempStats.movelist) - 1);
8994 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8996 sprintf(tempStats.movelist, " no PV\n");
8999 if (tempStats.seen_stat) {
9000 tempStats.ok_to_send = 1;
9003 if (strchr(tempStats.movelist, '(') != NULL) {
9004 tempStats.line_is_book = 1;
9005 tempStats.nr_moves = 0;
9006 tempStats.moves_left = 0;
9008 tempStats.line_is_book = 0;
9011 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9012 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9014 SendProgramStatsToFrontend( cps, &tempStats );
9017 [AS] Protect the thinkOutput buffer from overflow... this
9018 is only useful if buf1 hasn't overflowed first!
9020 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9022 (gameMode == TwoMachinesPlay ?
9023 ToUpper(cps->twoMachinesColor[0]) : ' '),
9024 ((double) curscore) / 100.0,
9025 prefixHint ? lastHint : "",
9026 prefixHint ? " " : "" );
9028 if( buf1[0] != NULLCHAR ) {
9029 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9031 if( strlen(pv) > max_len ) {
9032 if( appData.debugMode) {
9033 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9035 pv[max_len+1] = '\0';
9038 strcat( thinkOutput, pv);
9041 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9042 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9043 DisplayMove(currentMove - 1);
9047 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9048 /* crafty (9.25+) says "(only move) <move>"
9049 * if there is only 1 legal move
9051 sscanf(p, "(only move) %s", buf1);
9052 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9053 sprintf(programStats.movelist, "%s (only move)", buf1);
9054 programStats.depth = 1;
9055 programStats.nr_moves = 1;
9056 programStats.moves_left = 1;
9057 programStats.nodes = 1;
9058 programStats.time = 1;
9059 programStats.got_only_move = 1;
9061 /* Not really, but we also use this member to
9062 mean "line isn't going to change" (Crafty
9063 isn't searching, so stats won't change) */
9064 programStats.line_is_book = 1;
9066 SendProgramStatsToFrontend( cps, &programStats );
9068 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9069 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9070 DisplayMove(currentMove - 1);
9073 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9074 &time, &nodes, &plylev, &mvleft,
9075 &mvtot, mvname) >= 5) {
9076 /* The stat01: line is from Crafty (9.29+) in response
9077 to the "." command */
9078 programStats.seen_stat = 1;
9079 cps->maybeThinking = TRUE;
9081 if (programStats.got_only_move || !appData.periodicUpdates)
9084 programStats.depth = plylev;
9085 programStats.time = time;
9086 programStats.nodes = nodes;
9087 programStats.moves_left = mvleft;
9088 programStats.nr_moves = mvtot;
9089 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9090 programStats.ok_to_send = 1;
9091 programStats.movelist[0] = '\0';
9093 SendProgramStatsToFrontend( cps, &programStats );
9097 } else if (strncmp(message,"++",2) == 0) {
9098 /* Crafty 9.29+ outputs this */
9099 programStats.got_fail = 2;
9102 } else if (strncmp(message,"--",2) == 0) {
9103 /* Crafty 9.29+ outputs this */
9104 programStats.got_fail = 1;
9107 } else if (thinkOutput[0] != NULLCHAR &&
9108 strncmp(message, " ", 4) == 0) {
9109 unsigned message_len;
9112 while (*p && *p == ' ') p++;
9114 message_len = strlen( p );
9116 /* [AS] Avoid buffer overflow */
9117 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9118 strcat(thinkOutput, " ");
9119 strcat(thinkOutput, p);
9122 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9123 strcat(programStats.movelist, " ");
9124 strcat(programStats.movelist, p);
9127 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9128 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9129 DisplayMove(currentMove - 1);
9137 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9138 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9140 ChessProgramStats cpstats;
9142 if (plyext != ' ' && plyext != '\t') {
9146 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9147 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9148 curscore = -curscore;
9151 cpstats.depth = plylev;
9152 cpstats.nodes = nodes;
9153 cpstats.time = time;
9154 cpstats.score = curscore;
9155 cpstats.got_only_move = 0;
9156 cpstats.movelist[0] = '\0';
9158 if (buf1[0] != NULLCHAR) {
9159 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9162 cpstats.ok_to_send = 0;
9163 cpstats.line_is_book = 0;
9164 cpstats.nr_moves = 0;
9165 cpstats.moves_left = 0;
9167 SendProgramStatsToFrontend( cps, &cpstats );
9174 /* Parse a game score from the character string "game", and
9175 record it as the history of the current game. The game
9176 score is NOT assumed to start from the standard position.
9177 The display is not updated in any way.
9180 ParseGameHistory (char *game)
9183 int fromX, fromY, toX, toY, boardIndex;
9188 if (appData.debugMode)
9189 fprintf(debugFP, "Parsing game history: %s\n", game);
9191 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9192 gameInfo.site = StrSave(appData.icsHost);
9193 gameInfo.date = PGNDate();
9194 gameInfo.round = StrSave("-");
9196 /* Parse out names of players */
9197 while (*game == ' ') game++;
9199 while (*game != ' ') *p++ = *game++;
9201 gameInfo.white = StrSave(buf);
9202 while (*game == ' ') game++;
9204 while (*game != ' ' && *game != '\n') *p++ = *game++;
9206 gameInfo.black = StrSave(buf);
9209 boardIndex = blackPlaysFirst ? 1 : 0;
9212 yyboardindex = boardIndex;
9213 moveType = (ChessMove) Myylex();
9215 case IllegalMove: /* maybe suicide chess, etc. */
9216 if (appData.debugMode) {
9217 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9218 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9219 setbuf(debugFP, NULL);
9221 case WhitePromotion:
9222 case BlackPromotion:
9223 case WhiteNonPromotion:
9224 case BlackNonPromotion:
9226 case WhiteCapturesEnPassant:
9227 case BlackCapturesEnPassant:
9228 case WhiteKingSideCastle:
9229 case WhiteQueenSideCastle:
9230 case BlackKingSideCastle:
9231 case BlackQueenSideCastle:
9232 case WhiteKingSideCastleWild:
9233 case WhiteQueenSideCastleWild:
9234 case BlackKingSideCastleWild:
9235 case BlackQueenSideCastleWild:
9237 case WhiteHSideCastleFR:
9238 case WhiteASideCastleFR:
9239 case BlackHSideCastleFR:
9240 case BlackASideCastleFR:
9242 fromX = currentMoveString[0] - AAA;
9243 fromY = currentMoveString[1] - ONE;
9244 toX = currentMoveString[2] - AAA;
9245 toY = currentMoveString[3] - ONE;
9246 promoChar = currentMoveString[4];
9250 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9251 fromX = moveType == WhiteDrop ?
9252 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9253 (int) CharToPiece(ToLower(currentMoveString[0]));
9255 toX = currentMoveString[2] - AAA;
9256 toY = currentMoveString[3] - ONE;
9257 promoChar = NULLCHAR;
9261 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9262 if (appData.debugMode) {
9263 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9264 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9265 setbuf(debugFP, NULL);
9267 DisplayError(buf, 0);
9269 case ImpossibleMove:
9271 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9272 if (appData.debugMode) {
9273 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9274 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9275 setbuf(debugFP, NULL);
9277 DisplayError(buf, 0);
9280 if (boardIndex < backwardMostMove) {
9281 /* Oops, gap. How did that happen? */
9282 DisplayError(_("Gap in move list"), 0);
9285 backwardMostMove = blackPlaysFirst ? 1 : 0;
9286 if (boardIndex > forwardMostMove) {
9287 forwardMostMove = boardIndex;
9291 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9292 strcat(parseList[boardIndex-1], " ");
9293 strcat(parseList[boardIndex-1], yy_text);
9305 case GameUnfinished:
9306 if (gameMode == IcsExamining) {
9307 if (boardIndex < backwardMostMove) {
9308 /* Oops, gap. How did that happen? */
9311 backwardMostMove = blackPlaysFirst ? 1 : 0;
9314 gameInfo.result = moveType;
9315 p = strchr(yy_text, '{');
9316 if (p == NULL) p = strchr(yy_text, '(');
9319 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9321 q = strchr(p, *p == '{' ? '}' : ')');
9322 if (q != NULL) *q = NULLCHAR;
9325 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9326 gameInfo.resultDetails = StrSave(p);
9329 if (boardIndex >= forwardMostMove &&
9330 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9331 backwardMostMove = blackPlaysFirst ? 1 : 0;
9334 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9335 fromY, fromX, toY, toX, promoChar,
9336 parseList[boardIndex]);
9337 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9338 /* currentMoveString is set as a side-effect of yylex */
9339 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9340 strcat(moveList[boardIndex], "\n");
9342 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9343 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9349 if(gameInfo.variant != VariantShogi)
9350 strcat(parseList[boardIndex - 1], "+");
9354 strcat(parseList[boardIndex - 1], "#");
9361 /* Apply a move to the given board */
9363 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9365 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9366 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9368 /* [HGM] compute & store e.p. status and castling rights for new position */
9369 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9371 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9372 oldEP = (signed char)board[EP_STATUS];
9373 board[EP_STATUS] = EP_NONE;
9375 if (fromY == DROP_RANK) {
9377 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9378 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9381 piece = board[toY][toX] = (ChessSquare) fromX;
9385 if( board[toY][toX] != EmptySquare )
9386 board[EP_STATUS] = EP_CAPTURE;
9388 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9389 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9390 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9392 if( board[fromY][fromX] == WhitePawn ) {
9393 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9394 board[EP_STATUS] = EP_PAWN_MOVE;
9396 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9397 gameInfo.variant != VariantBerolina || toX < fromX)
9398 board[EP_STATUS] = toX | berolina;
9399 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9400 gameInfo.variant != VariantBerolina || toX > fromX)
9401 board[EP_STATUS] = toX;
9404 if( board[fromY][fromX] == BlackPawn ) {
9405 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9406 board[EP_STATUS] = EP_PAWN_MOVE;
9407 if( toY-fromY== -2) {
9408 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9409 gameInfo.variant != VariantBerolina || toX < fromX)
9410 board[EP_STATUS] = toX | berolina;
9411 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9412 gameInfo.variant != VariantBerolina || toX > fromX)
9413 board[EP_STATUS] = toX;
9417 for(i=0; i<nrCastlingRights; i++) {
9418 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9419 board[CASTLING][i] == toX && castlingRank[i] == toY
9420 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9423 if(gameInfo.variant == VariantSChess) { // update virginity
9424 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9425 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9426 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9427 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9430 if (fromX == toX && fromY == toY) return;
9432 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9433 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9434 if(gameInfo.variant == VariantKnightmate)
9435 king += (int) WhiteUnicorn - (int) WhiteKing;
9437 /* Code added by Tord: */
9438 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9439 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9440 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9441 board[fromY][fromX] = EmptySquare;
9442 board[toY][toX] = EmptySquare;
9443 if((toX > fromX) != (piece == WhiteRook)) {
9444 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9446 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9448 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9449 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9450 board[fromY][fromX] = EmptySquare;
9451 board[toY][toX] = EmptySquare;
9452 if((toX > fromX) != (piece == BlackRook)) {
9453 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9455 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9457 /* End of code added by Tord */
9459 } else if (board[fromY][fromX] == king
9460 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9461 && toY == fromY && toX > fromX+1) {
9462 board[fromY][fromX] = EmptySquare;
9463 board[toY][toX] = king;
9464 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9465 board[fromY][BOARD_RGHT-1] = EmptySquare;
9466 } else if (board[fromY][fromX] == king
9467 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9468 && toY == fromY && toX < fromX-1) {
9469 board[fromY][fromX] = EmptySquare;
9470 board[toY][toX] = king;
9471 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9472 board[fromY][BOARD_LEFT] = EmptySquare;
9473 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9474 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9475 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9477 /* white pawn promotion */
9478 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9479 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9480 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9481 board[fromY][fromX] = EmptySquare;
9482 } else if ((fromY >= BOARD_HEIGHT>>1)
9484 && gameInfo.variant != VariantXiangqi
9485 && gameInfo.variant != VariantBerolina
9486 && (board[fromY][fromX] == WhitePawn)
9487 && (board[toY][toX] == EmptySquare)) {
9488 board[fromY][fromX] = EmptySquare;
9489 board[toY][toX] = WhitePawn;
9490 captured = board[toY - 1][toX];
9491 board[toY - 1][toX] = EmptySquare;
9492 } else if ((fromY == BOARD_HEIGHT-4)
9494 && gameInfo.variant == VariantBerolina
9495 && (board[fromY][fromX] == WhitePawn)
9496 && (board[toY][toX] == EmptySquare)) {
9497 board[fromY][fromX] = EmptySquare;
9498 board[toY][toX] = WhitePawn;
9499 if(oldEP & EP_BEROLIN_A) {
9500 captured = board[fromY][fromX-1];
9501 board[fromY][fromX-1] = EmptySquare;
9502 }else{ captured = board[fromY][fromX+1];
9503 board[fromY][fromX+1] = EmptySquare;
9505 } else if (board[fromY][fromX] == king
9506 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9507 && toY == fromY && toX > fromX+1) {
9508 board[fromY][fromX] = EmptySquare;
9509 board[toY][toX] = king;
9510 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9511 board[fromY][BOARD_RGHT-1] = EmptySquare;
9512 } else if (board[fromY][fromX] == king
9513 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9514 && toY == fromY && toX < fromX-1) {
9515 board[fromY][fromX] = EmptySquare;
9516 board[toY][toX] = king;
9517 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9518 board[fromY][BOARD_LEFT] = EmptySquare;
9519 } else if (fromY == 7 && fromX == 3
9520 && board[fromY][fromX] == BlackKing
9521 && toY == 7 && toX == 5) {
9522 board[fromY][fromX] = EmptySquare;
9523 board[toY][toX] = BlackKing;
9524 board[fromY][7] = EmptySquare;
9525 board[toY][4] = BlackRook;
9526 } else if (fromY == 7 && fromX == 3
9527 && board[fromY][fromX] == BlackKing
9528 && toY == 7 && toX == 1) {
9529 board[fromY][fromX] = EmptySquare;
9530 board[toY][toX] = BlackKing;
9531 board[fromY][0] = EmptySquare;
9532 board[toY][2] = BlackRook;
9533 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9534 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9535 && toY < promoRank && promoChar
9537 /* black pawn promotion */
9538 board[toY][toX] = CharToPiece(ToLower(promoChar));
9539 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9540 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9541 board[fromY][fromX] = EmptySquare;
9542 } else if ((fromY < BOARD_HEIGHT>>1)
9544 && gameInfo.variant != VariantXiangqi
9545 && gameInfo.variant != VariantBerolina
9546 && (board[fromY][fromX] == BlackPawn)
9547 && (board[toY][toX] == EmptySquare)) {
9548 board[fromY][fromX] = EmptySquare;
9549 board[toY][toX] = BlackPawn;
9550 captured = board[toY + 1][toX];
9551 board[toY + 1][toX] = EmptySquare;
9552 } else if ((fromY == 3)
9554 && gameInfo.variant == VariantBerolina
9555 && (board[fromY][fromX] == BlackPawn)
9556 && (board[toY][toX] == EmptySquare)) {
9557 board[fromY][fromX] = EmptySquare;
9558 board[toY][toX] = BlackPawn;
9559 if(oldEP & EP_BEROLIN_A) {
9560 captured = board[fromY][fromX-1];
9561 board[fromY][fromX-1] = EmptySquare;
9562 }else{ captured = board[fromY][fromX+1];
9563 board[fromY][fromX+1] = EmptySquare;
9566 board[toY][toX] = board[fromY][fromX];
9567 board[fromY][fromX] = EmptySquare;
9571 if (gameInfo.holdingsWidth != 0) {
9573 /* !!A lot more code needs to be written to support holdings */
9574 /* [HGM] OK, so I have written it. Holdings are stored in the */
9575 /* penultimate board files, so they are automaticlly stored */
9576 /* in the game history. */
9577 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9578 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9579 /* Delete from holdings, by decreasing count */
9580 /* and erasing image if necessary */
9581 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9582 if(p < (int) BlackPawn) { /* white drop */
9583 p -= (int)WhitePawn;
9584 p = PieceToNumber((ChessSquare)p);
9585 if(p >= gameInfo.holdingsSize) p = 0;
9586 if(--board[p][BOARD_WIDTH-2] <= 0)
9587 board[p][BOARD_WIDTH-1] = EmptySquare;
9588 if((int)board[p][BOARD_WIDTH-2] < 0)
9589 board[p][BOARD_WIDTH-2] = 0;
9590 } else { /* black drop */
9591 p -= (int)BlackPawn;
9592 p = PieceToNumber((ChessSquare)p);
9593 if(p >= gameInfo.holdingsSize) p = 0;
9594 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9595 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9596 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9597 board[BOARD_HEIGHT-1-p][1] = 0;
9600 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9601 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9602 /* [HGM] holdings: Add to holdings, if holdings exist */
9603 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9604 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9605 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9608 if (p >= (int) BlackPawn) {
9609 p -= (int)BlackPawn;
9610 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9611 /* in Shogi restore piece to its original first */
9612 captured = (ChessSquare) (DEMOTED captured);
9615 p = PieceToNumber((ChessSquare)p);
9616 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9617 board[p][BOARD_WIDTH-2]++;
9618 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9620 p -= (int)WhitePawn;
9621 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9622 captured = (ChessSquare) (DEMOTED captured);
9625 p = PieceToNumber((ChessSquare)p);
9626 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9627 board[BOARD_HEIGHT-1-p][1]++;
9628 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9631 } else if (gameInfo.variant == VariantAtomic) {
9632 if (captured != EmptySquare) {
9634 for (y = toY-1; y <= toY+1; y++) {
9635 for (x = toX-1; x <= toX+1; x++) {
9636 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9637 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9638 board[y][x] = EmptySquare;
9642 board[toY][toX] = EmptySquare;
9645 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9646 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9648 if(promoChar == '+') {
9649 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9650 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9651 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9652 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9653 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9654 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9655 board[toY][toX] = newPiece;
9657 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9658 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9659 // [HGM] superchess: take promotion piece out of holdings
9660 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9661 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9662 if(!--board[k][BOARD_WIDTH-2])
9663 board[k][BOARD_WIDTH-1] = EmptySquare;
9665 if(!--board[BOARD_HEIGHT-1-k][1])
9666 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9672 /* Updates forwardMostMove */
9674 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9676 // forwardMostMove++; // [HGM] bare: moved downstream
9678 (void) CoordsToAlgebraic(boards[forwardMostMove],
9679 PosFlags(forwardMostMove),
9680 fromY, fromX, toY, toX, promoChar,
9681 parseList[forwardMostMove]);
9683 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9684 int timeLeft; static int lastLoadFlag=0; int king, piece;
9685 piece = boards[forwardMostMove][fromY][fromX];
9686 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9687 if(gameInfo.variant == VariantKnightmate)
9688 king += (int) WhiteUnicorn - (int) WhiteKing;
9689 if(forwardMostMove == 0) {
9690 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9691 fprintf(serverMoves, "%s;", UserName());
9692 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9693 fprintf(serverMoves, "%s;", second.tidy);
9694 fprintf(serverMoves, "%s;", first.tidy);
9695 if(gameMode == MachinePlaysWhite)
9696 fprintf(serverMoves, "%s;", UserName());
9697 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9698 fprintf(serverMoves, "%s;", second.tidy);
9699 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9700 lastLoadFlag = loadFlag;
9702 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9703 // print castling suffix
9704 if( toY == fromY && piece == king ) {
9706 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9708 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9711 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9712 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9713 boards[forwardMostMove][toY][toX] == EmptySquare
9714 && fromX != toX && fromY != toY)
9715 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9717 if(promoChar != NULLCHAR) {
9718 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9719 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9720 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9721 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9724 char buf[MOVE_LEN*2], *p; int len;
9725 fprintf(serverMoves, "/%d/%d",
9726 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9727 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9728 else timeLeft = blackTimeRemaining/1000;
9729 fprintf(serverMoves, "/%d", timeLeft);
9730 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9731 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9732 if(p = strchr(buf, '=')) *p = NULLCHAR;
9733 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9734 fprintf(serverMoves, "/%s", buf);
9736 fflush(serverMoves);
9739 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9740 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9743 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9744 if (commentList[forwardMostMove+1] != NULL) {
9745 free(commentList[forwardMostMove+1]);
9746 commentList[forwardMostMove+1] = NULL;
9748 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9749 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9750 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9751 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9752 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9753 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9754 adjustedClock = FALSE;
9755 gameInfo.result = GameUnfinished;
9756 if (gameInfo.resultDetails != NULL) {
9757 free(gameInfo.resultDetails);
9758 gameInfo.resultDetails = NULL;
9760 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9761 moveList[forwardMostMove - 1]);
9762 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9768 if(gameInfo.variant != VariantShogi)
9769 strcat(parseList[forwardMostMove - 1], "+");
9773 strcat(parseList[forwardMostMove - 1], "#");
9779 /* Updates currentMove if not pausing */
9781 ShowMove (int fromX, int fromY, int toX, int toY)
9783 int instant = (gameMode == PlayFromGameFile) ?
9784 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9785 if(appData.noGUI) return;
9786 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9788 if (forwardMostMove == currentMove + 1) {
9789 AnimateMove(boards[forwardMostMove - 1],
9790 fromX, fromY, toX, toY);
9793 currentMove = forwardMostMove;
9796 if (instant) return;
9798 DisplayMove(currentMove - 1);
9799 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9800 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9801 SetHighlights(fromX, fromY, toX, toY);
9804 DrawPosition(FALSE, boards[currentMove]);
9805 DisplayBothClocks();
9806 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9810 SendEgtPath (ChessProgramState *cps)
9811 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9812 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9814 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9817 char c, *q = name+1, *r, *s;
9819 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9820 while(*p && *p != ',') *q++ = *p++;
9822 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9823 strcmp(name, ",nalimov:") == 0 ) {
9824 // take nalimov path from the menu-changeable option first, if it is defined
9825 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9826 SendToProgram(buf,cps); // send egtbpath command for nalimov
9828 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9829 (s = StrStr(appData.egtFormats, name)) != NULL) {
9830 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9831 s = r = StrStr(s, ":") + 1; // beginning of path info
9832 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9833 c = *r; *r = 0; // temporarily null-terminate path info
9834 *--q = 0; // strip of trailig ':' from name
9835 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9837 SendToProgram(buf,cps); // send egtbpath command for this format
9839 if(*p == ',') p++; // read away comma to position for next format name
9844 InitChessProgram (ChessProgramState *cps, int setup)
9845 /* setup needed to setup FRC opening position */
9847 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9848 if (appData.noChessProgram) return;
9849 hintRequested = FALSE;
9850 bookRequested = FALSE;
9852 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9853 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9854 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9855 if(cps->memSize) { /* [HGM] memory */
9856 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9857 SendToProgram(buf, cps);
9859 SendEgtPath(cps); /* [HGM] EGT */
9860 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9861 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9862 SendToProgram(buf, cps);
9865 SendToProgram(cps->initString, cps);
9866 if (gameInfo.variant != VariantNormal &&
9867 gameInfo.variant != VariantLoadable
9868 /* [HGM] also send variant if board size non-standard */
9869 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9871 char *v = VariantName(gameInfo.variant);
9872 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9873 /* [HGM] in protocol 1 we have to assume all variants valid */
9874 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9875 DisplayFatalError(buf, 0, 1);
9879 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9880 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9881 if( gameInfo.variant == VariantXiangqi )
9882 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9883 if( gameInfo.variant == VariantShogi )
9884 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9885 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9886 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9887 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9888 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9889 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9890 if( gameInfo.variant == VariantCourier )
9891 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9892 if( gameInfo.variant == VariantSuper )
9893 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9894 if( gameInfo.variant == VariantGreat )
9895 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9896 if( gameInfo.variant == VariantSChess )
9897 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9898 if( gameInfo.variant == VariantGrand )
9899 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9902 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9903 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9904 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9905 if(StrStr(cps->variants, b) == NULL) {
9906 // specific sized variant not known, check if general sizing allowed
9907 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9908 if(StrStr(cps->variants, "boardsize") == NULL) {
9909 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9910 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9911 DisplayFatalError(buf, 0, 1);
9914 /* [HGM] here we really should compare with the maximum supported board size */
9917 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9918 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9919 SendToProgram(buf, cps);
9921 currentlyInitializedVariant = gameInfo.variant;
9923 /* [HGM] send opening position in FRC to first engine */
9925 SendToProgram("force\n", cps);
9927 /* engine is now in force mode! Set flag to wake it up after first move. */
9928 setboardSpoiledMachineBlack = 1;
9932 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9933 SendToProgram(buf, cps);
9935 cps->maybeThinking = FALSE;
9936 cps->offeredDraw = 0;
9937 if (!appData.icsActive) {
9938 SendTimeControl(cps, movesPerSession, timeControl,
9939 timeIncrement, appData.searchDepth,
9942 if (appData.showThinking
9943 // [HGM] thinking: four options require thinking output to be sent
9944 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9946 SendToProgram("post\n", cps);
9948 SendToProgram("hard\n", cps);
9949 if (!appData.ponderNextMove) {
9950 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9951 it without being sure what state we are in first. "hard"
9952 is not a toggle, so that one is OK.
9954 SendToProgram("easy\n", cps);
9957 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9958 SendToProgram(buf, cps);
9960 cps->initDone = TRUE;
9961 ClearEngineOutputPane(cps == &second);
9966 ResendOptions (ChessProgramState *cps)
9967 { // send the stored value of the options
9970 Option *opt = cps->option;
9971 for(i=0; i<cps->nrOptions; i++, opt++) {
9976 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
9979 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
9982 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
9988 SendToProgram(buf, cps);
9993 StartChessProgram (ChessProgramState *cps)
9998 if (appData.noChessProgram) return;
9999 cps->initDone = FALSE;
10001 if (strcmp(cps->host, "localhost") == 0) {
10002 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10003 } else if (*appData.remoteShell == NULLCHAR) {
10004 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10006 if (*appData.remoteUser == NULLCHAR) {
10007 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10010 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10011 cps->host, appData.remoteUser, cps->program);
10013 err = StartChildProcess(buf, "", &cps->pr);
10017 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10018 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10019 if(cps != &first) return;
10020 appData.noChessProgram = TRUE;
10023 // DisplayFatalError(buf, err, 1);
10024 // cps->pr = NoProc;
10025 // cps->isr = NULL;
10029 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10030 if (cps->protocolVersion > 1) {
10031 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10032 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10033 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10034 cps->comboCnt = 0; // and values of combo boxes
10036 SendToProgram(buf, cps);
10037 if(cps->reload) ResendOptions(cps);
10039 SendToProgram("xboard\n", cps);
10044 TwoMachinesEventIfReady P((void))
10046 static int curMess = 0;
10047 if (first.lastPing != first.lastPong) {
10048 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10049 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10052 if (second.lastPing != second.lastPong) {
10053 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10054 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10057 DisplayMessage("", ""); curMess = 0;
10058 TwoMachinesEvent();
10062 MakeName (char *template)
10066 static char buf[MSG_SIZ];
10070 clock = time((time_t *)NULL);
10071 tm = localtime(&clock);
10073 while(*p++ = *template++) if(p[-1] == '%') {
10074 switch(*template++) {
10075 case 0: *p = 0; return buf;
10076 case 'Y': i = tm->tm_year+1900; break;
10077 case 'y': i = tm->tm_year-100; break;
10078 case 'M': i = tm->tm_mon+1; break;
10079 case 'd': i = tm->tm_mday; break;
10080 case 'h': i = tm->tm_hour; break;
10081 case 'm': i = tm->tm_min; break;
10082 case 's': i = tm->tm_sec; break;
10085 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10091 CountPlayers (char *p)
10094 while(p = strchr(p, '\n')) p++, n++; // count participants
10099 WriteTourneyFile (char *results, FILE *f)
10100 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10101 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10102 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10103 // create a file with tournament description
10104 fprintf(f, "-participants {%s}\n", appData.participants);
10105 fprintf(f, "-seedBase %d\n", appData.seedBase);
10106 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10107 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10108 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10109 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10110 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10111 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10112 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10113 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10114 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10115 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10116 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10117 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10118 fprintf(f, "-polyglotBook %s\n", appData.polyglotBook);
10119 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10120 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10121 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10122 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10123 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10124 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10125 fprintf(f, "-smpCores %d\n", appData.smpCores);
10127 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10129 fprintf(f, "-mps %d\n", appData.movesPerSession);
10130 fprintf(f, "-tc %s\n", appData.timeControl);
10131 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10133 fprintf(f, "-results \"%s\"\n", results);
10138 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10141 Substitute (char *participants, int expunge)
10143 int i, changed, changes=0, nPlayers=0;
10144 char *p, *q, *r, buf[MSG_SIZ];
10145 if(participants == NULL) return;
10146 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10147 r = p = participants; q = appData.participants;
10148 while(*p && *p == *q) {
10149 if(*p == '\n') r = p+1, nPlayers++;
10152 if(*p) { // difference
10153 while(*p && *p++ != '\n');
10154 while(*q && *q++ != '\n');
10155 changed = nPlayers;
10156 changes = 1 + (strcmp(p, q) != 0);
10158 if(changes == 1) { // a single engine mnemonic was changed
10159 q = r; while(*q) nPlayers += (*q++ == '\n');
10160 p = buf; while(*r && (*p = *r++) != '\n') p++;
10162 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10163 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10164 if(mnemonic[i]) { // The substitute is valid
10166 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10167 flock(fileno(f), LOCK_EX);
10168 ParseArgsFromFile(f);
10169 fseek(f, 0, SEEK_SET);
10170 FREE(appData.participants); appData.participants = participants;
10171 if(expunge) { // erase results of replaced engine
10172 int len = strlen(appData.results), w, b, dummy;
10173 for(i=0; i<len; i++) {
10174 Pairing(i, nPlayers, &w, &b, &dummy);
10175 if((w == changed || b == changed) && appData.results[i] == '*') {
10176 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10181 for(i=0; i<len; i++) {
10182 Pairing(i, nPlayers, &w, &b, &dummy);
10183 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10186 WriteTourneyFile(appData.results, f);
10187 fclose(f); // release lock
10190 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10192 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10193 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10194 free(participants);
10199 CheckPlayers (char *participants)
10202 char buf[MSG_SIZ], *p;
10203 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10204 while(p = strchr(participants, '\n')) {
10206 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10208 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10210 DisplayError(buf, 0);
10214 participants = p + 1;
10220 CreateTourney (char *name)
10223 if(matchMode && strcmp(name, appData.tourneyFile)) {
10224 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10226 if(name[0] == NULLCHAR) {
10227 if(appData.participants[0])
10228 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10231 f = fopen(name, "r");
10232 if(f) { // file exists
10233 ASSIGN(appData.tourneyFile, name);
10234 ParseArgsFromFile(f); // parse it
10236 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10237 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10238 DisplayError(_("Not enough participants"), 0);
10241 if(CheckPlayers(appData.participants)) return 0;
10242 ASSIGN(appData.tourneyFile, name);
10243 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10244 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10247 appData.noChessProgram = FALSE;
10248 appData.clockMode = TRUE;
10254 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10256 char buf[MSG_SIZ], *p, *q;
10257 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10258 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10259 skip = !all && group[0]; // if group requested, we start in skip mode
10260 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10261 p = names; q = buf; header = 0;
10262 while(*p && *p != '\n') *q++ = *p++;
10264 if(*p == '\n') p++;
10265 if(buf[0] == '#') {
10266 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10267 depth++; // we must be entering a new group
10268 if(all) continue; // suppress printing group headers when complete list requested
10270 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10272 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10273 if(engineList[i]) free(engineList[i]);
10274 engineList[i] = strdup(buf);
10275 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10276 if(engineMnemonic[i]) free(engineMnemonic[i]);
10277 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10279 sscanf(q + 8, "%s", buf + strlen(buf));
10282 engineMnemonic[i] = strdup(buf);
10285 engineList[i] = engineMnemonic[i] = NULL;
10289 // following implemented as macro to avoid type limitations
10290 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10293 SwapEngines (int n)
10294 { // swap settings for first engine and other engine (so far only some selected options)
10299 SWAP(chessProgram, p)
10301 SWAP(hasOwnBookUCI, h)
10302 SWAP(protocolVersion, h)
10304 SWAP(scoreIsAbsolute, h)
10309 SWAP(engOptions, p)
10310 SWAP(engInitString, p)
10311 SWAP(computerString, p)
10313 SWAP(fenOverride, p)
10315 SWAP(accumulateTC, h)
10320 GetEngineLine (char *s, int n)
10324 extern char *icsNames;
10325 if(!s || !*s) return 0;
10326 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10327 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10328 if(!mnemonic[i]) return 0;
10329 if(n == 11) return 1; // just testing if there was a match
10330 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10331 if(n == 1) SwapEngines(n);
10332 ParseArgsFromString(buf);
10333 if(n == 1) SwapEngines(n);
10334 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10335 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10336 ParseArgsFromString(buf);
10342 SetPlayer (int player, char *p)
10343 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10345 char buf[MSG_SIZ], *engineName;
10346 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10347 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10348 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10350 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10351 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10352 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10353 ParseArgsFromString(buf);
10354 } else { // no engine with this nickname is installed!
10355 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10356 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10357 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10359 DisplayError(buf, 0);
10366 char *recentEngines;
10369 RecentEngineEvent (int nr)
10372 // SwapEngines(1); // bump first to second
10373 // ReplaceEngine(&second, 1); // and load it there
10374 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10375 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10376 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10377 ReplaceEngine(&first, 0);
10378 FloatToFront(&appData.recentEngineList, command[n]);
10383 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10384 { // determine players from game number
10385 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10387 if(appData.tourneyType == 0) {
10388 roundsPerCycle = (nPlayers - 1) | 1;
10389 pairingsPerRound = nPlayers / 2;
10390 } else if(appData.tourneyType > 0) {
10391 roundsPerCycle = nPlayers - appData.tourneyType;
10392 pairingsPerRound = appData.tourneyType;
10394 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10395 gamesPerCycle = gamesPerRound * roundsPerCycle;
10396 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10397 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10398 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10399 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10400 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10401 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10403 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10404 if(appData.roundSync) *syncInterval = gamesPerRound;
10406 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10408 if(appData.tourneyType == 0) {
10409 if(curPairing == (nPlayers-1)/2 ) {
10410 *whitePlayer = curRound;
10411 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10413 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10414 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10415 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10416 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10418 } else if(appData.tourneyType > 1) {
10419 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10420 *whitePlayer = curRound + appData.tourneyType;
10421 } else if(appData.tourneyType > 0) {
10422 *whitePlayer = curPairing;
10423 *blackPlayer = curRound + appData.tourneyType;
10426 // take care of white/black alternation per round.
10427 // For cycles and games this is already taken care of by default, derived from matchGame!
10428 return curRound & 1;
10432 NextTourneyGame (int nr, int *swapColors)
10433 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10435 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10437 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10438 tf = fopen(appData.tourneyFile, "r");
10439 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10440 ParseArgsFromFile(tf); fclose(tf);
10441 InitTimeControls(); // TC might be altered from tourney file
10443 nPlayers = CountPlayers(appData.participants); // count participants
10444 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10445 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10448 p = q = appData.results;
10449 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10450 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10451 DisplayMessage(_("Waiting for other game(s)"),"");
10452 waitingForGame = TRUE;
10453 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10456 waitingForGame = FALSE;
10459 if(appData.tourneyType < 0) {
10460 if(nr>=0 && !pairingReceived) {
10462 if(pairing.pr == NoProc) {
10463 if(!appData.pairingEngine[0]) {
10464 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10467 StartChessProgram(&pairing); // starts the pairing engine
10469 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10470 SendToProgram(buf, &pairing);
10471 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10472 SendToProgram(buf, &pairing);
10473 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10475 pairingReceived = 0; // ... so we continue here
10477 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10478 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10479 matchGame = 1; roundNr = nr / syncInterval + 1;
10482 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10484 // redefine engines, engine dir, etc.
10485 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10486 if(first.pr == NoProc) {
10487 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10488 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10490 if(second.pr == NoProc) {
10492 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10493 SwapEngines(1); // and make that valid for second engine by swapping
10494 InitEngine(&second, 1);
10496 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10497 UpdateLogos(FALSE); // leave display to ModeHiglight()
10503 { // performs game initialization that does not invoke engines, and then tries to start the game
10504 int res, firstWhite, swapColors = 0;
10505 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10506 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
10508 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10509 if(strcmp(buf, currentDebugFile)) { // name has changed
10510 FILE *f = fopen(buf, "w");
10511 if(f) { // if opening the new file failed, just keep using the old one
10512 ASSIGN(currentDebugFile, buf);
10516 if(appData.serverFileName) {
10517 if(serverFP) fclose(serverFP);
10518 serverFP = fopen(appData.serverFileName, "w");
10519 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10520 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10524 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10525 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10526 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10527 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10528 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10529 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10530 Reset(FALSE, first.pr != NoProc);
10531 res = LoadGameOrPosition(matchGame); // setup game
10532 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10533 if(!res) return; // abort when bad game/pos file
10534 TwoMachinesEvent();
10538 UserAdjudicationEvent (int result)
10540 ChessMove gameResult = GameIsDrawn;
10543 gameResult = WhiteWins;
10545 else if( result < 0 ) {
10546 gameResult = BlackWins;
10549 if( gameMode == TwoMachinesPlay ) {
10550 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10555 // [HGM] save: calculate checksum of game to make games easily identifiable
10557 StringCheckSum (char *s)
10560 if(s==NULL) return 0;
10561 while(*s) i = i*259 + *s++;
10569 for(i=backwardMostMove; i<forwardMostMove; i++) {
10570 sum += pvInfoList[i].depth;
10571 sum += StringCheckSum(parseList[i]);
10572 sum += StringCheckSum(commentList[i]);
10575 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10576 return sum + StringCheckSum(commentList[i]);
10577 } // end of save patch
10580 GameEnds (ChessMove result, char *resultDetails, int whosays)
10582 GameMode nextGameMode;
10584 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10586 if(endingGame) return; /* [HGM] crash: forbid recursion */
10588 if(twoBoards) { // [HGM] dual: switch back to one board
10589 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10590 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10592 if (appData.debugMode) {
10593 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10594 result, resultDetails ? resultDetails : "(null)", whosays);
10597 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10599 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10601 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10602 /* If we are playing on ICS, the server decides when the
10603 game is over, but the engine can offer to draw, claim
10607 if (appData.zippyPlay && first.initDone) {
10608 if (result == GameIsDrawn) {
10609 /* In case draw still needs to be claimed */
10610 SendToICS(ics_prefix);
10611 SendToICS("draw\n");
10612 } else if (StrCaseStr(resultDetails, "resign")) {
10613 SendToICS(ics_prefix);
10614 SendToICS("resign\n");
10618 endingGame = 0; /* [HGM] crash */
10622 /* If we're loading the game from a file, stop */
10623 if (whosays == GE_FILE) {
10624 (void) StopLoadGameTimer();
10628 /* Cancel draw offers */
10629 first.offeredDraw = second.offeredDraw = 0;
10631 /* If this is an ICS game, only ICS can really say it's done;
10632 if not, anyone can. */
10633 isIcsGame = (gameMode == IcsPlayingWhite ||
10634 gameMode == IcsPlayingBlack ||
10635 gameMode == IcsObserving ||
10636 gameMode == IcsExamining);
10638 if (!isIcsGame || whosays == GE_ICS) {
10639 /* OK -- not an ICS game, or ICS said it was done */
10641 if (!isIcsGame && !appData.noChessProgram)
10642 SetUserThinkingEnables();
10644 /* [HGM] if a machine claims the game end we verify this claim */
10645 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10646 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10648 ChessMove trueResult = (ChessMove) -1;
10650 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10651 first.twoMachinesColor[0] :
10652 second.twoMachinesColor[0] ;
10654 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10655 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10656 /* [HGM] verify: engine mate claims accepted if they were flagged */
10657 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10659 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10660 /* [HGM] verify: engine mate claims accepted if they were flagged */
10661 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10663 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10664 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10667 // now verify win claims, but not in drop games, as we don't understand those yet
10668 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10669 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10670 (result == WhiteWins && claimer == 'w' ||
10671 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10672 if (appData.debugMode) {
10673 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10674 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10676 if(result != trueResult) {
10677 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10678 result = claimer == 'w' ? BlackWins : WhiteWins;
10679 resultDetails = buf;
10682 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10683 && (forwardMostMove <= backwardMostMove ||
10684 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10685 (claimer=='b')==(forwardMostMove&1))
10687 /* [HGM] verify: draws that were not flagged are false claims */
10688 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10689 result = claimer == 'w' ? BlackWins : WhiteWins;
10690 resultDetails = buf;
10692 /* (Claiming a loss is accepted no questions asked!) */
10693 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10694 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10695 result = GameUnfinished;
10696 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10698 /* [HGM] bare: don't allow bare King to win */
10699 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10700 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10701 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10702 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10703 && result != GameIsDrawn)
10704 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10705 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10706 int p = (signed char)boards[forwardMostMove][i][j] - color;
10707 if(p >= 0 && p <= (int)WhiteKing) k++;
10709 if (appData.debugMode) {
10710 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10711 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10714 result = GameIsDrawn;
10715 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10716 resultDetails = buf;
10722 if(serverMoves != NULL && !loadFlag) { char c = '=';
10723 if(result==WhiteWins) c = '+';
10724 if(result==BlackWins) c = '-';
10725 if(resultDetails != NULL)
10726 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10728 if (resultDetails != NULL) {
10729 gameInfo.result = result;
10730 gameInfo.resultDetails = StrSave(resultDetails);
10732 /* display last move only if game was not loaded from file */
10733 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10734 DisplayMove(currentMove - 1);
10736 if (forwardMostMove != 0) {
10737 if (gameMode != PlayFromGameFile && gameMode != EditGame
10738 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10740 if (*appData.saveGameFile != NULLCHAR) {
10741 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10742 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10744 SaveGameToFile(appData.saveGameFile, TRUE);
10745 } else if (appData.autoSaveGames) {
10748 if (*appData.savePositionFile != NULLCHAR) {
10749 SavePositionToFile(appData.savePositionFile);
10751 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10755 /* Tell program how game ended in case it is learning */
10756 /* [HGM] Moved this to after saving the PGN, just in case */
10757 /* engine died and we got here through time loss. In that */
10758 /* case we will get a fatal error writing the pipe, which */
10759 /* would otherwise lose us the PGN. */
10760 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10761 /* output during GameEnds should never be fatal anymore */
10762 if (gameMode == MachinePlaysWhite ||
10763 gameMode == MachinePlaysBlack ||
10764 gameMode == TwoMachinesPlay ||
10765 gameMode == IcsPlayingWhite ||
10766 gameMode == IcsPlayingBlack ||
10767 gameMode == BeginningOfGame) {
10769 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10771 if (first.pr != NoProc) {
10772 SendToProgram(buf, &first);
10774 if (second.pr != NoProc &&
10775 gameMode == TwoMachinesPlay) {
10776 SendToProgram(buf, &second);
10781 if (appData.icsActive) {
10782 if (appData.quietPlay &&
10783 (gameMode == IcsPlayingWhite ||
10784 gameMode == IcsPlayingBlack)) {
10785 SendToICS(ics_prefix);
10786 SendToICS("set shout 1\n");
10788 nextGameMode = IcsIdle;
10789 ics_user_moved = FALSE;
10790 /* clean up premove. It's ugly when the game has ended and the
10791 * premove highlights are still on the board.
10794 gotPremove = FALSE;
10795 ClearPremoveHighlights();
10796 DrawPosition(FALSE, boards[currentMove]);
10798 if (whosays == GE_ICS) {
10801 if (gameMode == IcsPlayingWhite)
10803 else if(gameMode == IcsPlayingBlack)
10804 PlayIcsLossSound();
10807 if (gameMode == IcsPlayingBlack)
10809 else if(gameMode == IcsPlayingWhite)
10810 PlayIcsLossSound();
10813 PlayIcsDrawSound();
10816 PlayIcsUnfinishedSound();
10819 } else if (gameMode == EditGame ||
10820 gameMode == PlayFromGameFile ||
10821 gameMode == AnalyzeMode ||
10822 gameMode == AnalyzeFile) {
10823 nextGameMode = gameMode;
10825 nextGameMode = EndOfGame;
10830 nextGameMode = gameMode;
10833 if (appData.noChessProgram) {
10834 gameMode = nextGameMode;
10836 endingGame = 0; /* [HGM] crash */
10841 /* Put first chess program into idle state */
10842 if (first.pr != NoProc &&
10843 (gameMode == MachinePlaysWhite ||
10844 gameMode == MachinePlaysBlack ||
10845 gameMode == TwoMachinesPlay ||
10846 gameMode == IcsPlayingWhite ||
10847 gameMode == IcsPlayingBlack ||
10848 gameMode == BeginningOfGame)) {
10849 SendToProgram("force\n", &first);
10850 if (first.usePing) {
10852 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10853 SendToProgram(buf, &first);
10856 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10857 /* Kill off first chess program */
10858 if (first.isr != NULL)
10859 RemoveInputSource(first.isr);
10862 if (first.pr != NoProc) {
10864 DoSleep( appData.delayBeforeQuit );
10865 SendToProgram("quit\n", &first);
10866 DoSleep( appData.delayAfterQuit );
10867 DestroyChildProcess(first.pr, first.useSigterm);
10868 first.reload = TRUE;
10872 if (second.reuse) {
10873 /* Put second chess program into idle state */
10874 if (second.pr != NoProc &&
10875 gameMode == TwoMachinesPlay) {
10876 SendToProgram("force\n", &second);
10877 if (second.usePing) {
10879 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10880 SendToProgram(buf, &second);
10883 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10884 /* Kill off second chess program */
10885 if (second.isr != NULL)
10886 RemoveInputSource(second.isr);
10889 if (second.pr != NoProc) {
10890 DoSleep( appData.delayBeforeQuit );
10891 SendToProgram("quit\n", &second);
10892 DoSleep( appData.delayAfterQuit );
10893 DestroyChildProcess(second.pr, second.useSigterm);
10894 second.reload = TRUE;
10896 second.pr = NoProc;
10899 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10900 char resChar = '=';
10904 if (first.twoMachinesColor[0] == 'w') {
10907 second.matchWins++;
10912 if (first.twoMachinesColor[0] == 'b') {
10915 second.matchWins++;
10918 case GameUnfinished:
10924 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10925 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10926 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10927 ReserveGame(nextGame, resChar); // sets nextGame
10928 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10929 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10930 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10932 if (nextGame <= appData.matchGames && !abortMatch) {
10933 gameMode = nextGameMode;
10934 matchGame = nextGame; // this will be overruled in tourney mode!
10935 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10936 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10937 endingGame = 0; /* [HGM] crash */
10940 gameMode = nextGameMode;
10941 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10942 first.tidy, second.tidy,
10943 first.matchWins, second.matchWins,
10944 appData.matchGames - (first.matchWins + second.matchWins));
10945 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10946 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10947 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10948 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10949 first.twoMachinesColor = "black\n";
10950 second.twoMachinesColor = "white\n";
10952 first.twoMachinesColor = "white\n";
10953 second.twoMachinesColor = "black\n";
10957 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10958 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10960 gameMode = nextGameMode;
10962 endingGame = 0; /* [HGM] crash */
10963 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10964 if(matchMode == TRUE) { // match through command line: exit with or without popup
10966 ToNrEvent(forwardMostMove);
10967 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10969 } else DisplayFatalError(buf, 0, 0);
10970 } else { // match through menu; just stop, with or without popup
10971 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10974 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10975 } else DisplayNote(buf);
10977 if(ranking) free(ranking);
10981 /* Assumes program was just initialized (initString sent).
10982 Leaves program in force mode. */
10984 FeedMovesToProgram (ChessProgramState *cps, int upto)
10988 if (appData.debugMode)
10989 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10990 startedFromSetupPosition ? "position and " : "",
10991 backwardMostMove, upto, cps->which);
10992 if(currentlyInitializedVariant != gameInfo.variant) {
10994 // [HGM] variantswitch: make engine aware of new variant
10995 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10996 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10997 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10998 SendToProgram(buf, cps);
10999 currentlyInitializedVariant = gameInfo.variant;
11001 SendToProgram("force\n", cps);
11002 if (startedFromSetupPosition) {
11003 SendBoard(cps, backwardMostMove);
11004 if (appData.debugMode) {
11005 fprintf(debugFP, "feedMoves\n");
11008 for (i = backwardMostMove; i < upto; i++) {
11009 SendMoveToProgram(i, cps);
11015 ResurrectChessProgram ()
11017 /* The chess program may have exited.
11018 If so, restart it and feed it all the moves made so far. */
11019 static int doInit = 0;
11021 if (appData.noChessProgram) return 1;
11023 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11024 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11025 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11026 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11028 if (first.pr != NoProc) return 1;
11029 StartChessProgram(&first);
11031 InitChessProgram(&first, FALSE);
11032 FeedMovesToProgram(&first, currentMove);
11034 if (!first.sendTime) {
11035 /* can't tell gnuchess what its clock should read,
11036 so we bow to its notion. */
11038 timeRemaining[0][currentMove] = whiteTimeRemaining;
11039 timeRemaining[1][currentMove] = blackTimeRemaining;
11042 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11043 appData.icsEngineAnalyze) && first.analysisSupport) {
11044 SendToProgram("analyze\n", &first);
11045 first.analyzing = TRUE;
11051 * Button procedures
11054 Reset (int redraw, int init)
11058 if (appData.debugMode) {
11059 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11060 redraw, init, gameMode);
11062 CleanupTail(); // [HGM] vari: delete any stored variations
11063 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11064 pausing = pauseExamInvalid = FALSE;
11065 startedFromSetupPosition = blackPlaysFirst = FALSE;
11067 whiteFlag = blackFlag = FALSE;
11068 userOfferedDraw = FALSE;
11069 hintRequested = bookRequested = FALSE;
11070 first.maybeThinking = FALSE;
11071 second.maybeThinking = FALSE;
11072 first.bookSuspend = FALSE; // [HGM] book
11073 second.bookSuspend = FALSE;
11074 thinkOutput[0] = NULLCHAR;
11075 lastHint[0] = NULLCHAR;
11076 ClearGameInfo(&gameInfo);
11077 gameInfo.variant = StringToVariant(appData.variant);
11078 ics_user_moved = ics_clock_paused = FALSE;
11079 ics_getting_history = H_FALSE;
11081 white_holding[0] = black_holding[0] = NULLCHAR;
11082 ClearProgramStats();
11083 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11087 flipView = appData.flipView;
11088 ClearPremoveHighlights();
11089 gotPremove = FALSE;
11090 alarmSounded = FALSE;
11092 GameEnds(EndOfFile, NULL, GE_PLAYER);
11093 if(appData.serverMovesName != NULL) {
11094 /* [HGM] prepare to make moves file for broadcasting */
11095 clock_t t = clock();
11096 if(serverMoves != NULL) fclose(serverMoves);
11097 serverMoves = fopen(appData.serverMovesName, "r");
11098 if(serverMoves != NULL) {
11099 fclose(serverMoves);
11100 /* delay 15 sec before overwriting, so all clients can see end */
11101 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11103 serverMoves = fopen(appData.serverMovesName, "w");
11107 gameMode = BeginningOfGame;
11109 if(appData.icsActive) gameInfo.variant = VariantNormal;
11110 currentMove = forwardMostMove = backwardMostMove = 0;
11111 MarkTargetSquares(1);
11112 InitPosition(redraw);
11113 for (i = 0; i < MAX_MOVES; i++) {
11114 if (commentList[i] != NULL) {
11115 free(commentList[i]);
11116 commentList[i] = NULL;
11120 timeRemaining[0][0] = whiteTimeRemaining;
11121 timeRemaining[1][0] = blackTimeRemaining;
11123 if (first.pr == NoProc) {
11124 StartChessProgram(&first);
11127 InitChessProgram(&first, startedFromSetupPosition);
11130 DisplayMessage("", "");
11131 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11132 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11133 ClearMap(); // [HGM] exclude: invalidate map
11137 AutoPlayGameLoop ()
11140 if (!AutoPlayOneMove())
11142 if (matchMode || appData.timeDelay == 0)
11144 if (appData.timeDelay < 0)
11146 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11154 ReloadGame(1); // next game
11160 int fromX, fromY, toX, toY;
11162 if (appData.debugMode) {
11163 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11166 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11169 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11170 pvInfoList[currentMove].depth = programStats.depth;
11171 pvInfoList[currentMove].score = programStats.score;
11172 pvInfoList[currentMove].time = 0;
11173 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11176 if (currentMove >= forwardMostMove) {
11177 if(gameMode == AnalyzeFile) {
11178 if(appData.loadGameIndex == -1) {
11179 GameEnds(EndOfFile, NULL, GE_FILE);
11180 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11182 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11185 // gameMode = EndOfGame;
11186 // ModeHighlight();
11188 /* [AS] Clear current move marker at the end of a game */
11189 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11194 toX = moveList[currentMove][2] - AAA;
11195 toY = moveList[currentMove][3] - ONE;
11197 if (moveList[currentMove][1] == '@') {
11198 if (appData.highlightLastMove) {
11199 SetHighlights(-1, -1, toX, toY);
11202 fromX = moveList[currentMove][0] - AAA;
11203 fromY = moveList[currentMove][1] - ONE;
11205 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11207 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11209 if (appData.highlightLastMove) {
11210 SetHighlights(fromX, fromY, toX, toY);
11213 DisplayMove(currentMove);
11214 SendMoveToProgram(currentMove++, &first);
11215 DisplayBothClocks();
11216 DrawPosition(FALSE, boards[currentMove]);
11217 // [HGM] PV info: always display, routine tests if empty
11218 DisplayComment(currentMove - 1, commentList[currentMove]);
11224 LoadGameOneMove (ChessMove readAhead)
11226 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11227 char promoChar = NULLCHAR;
11228 ChessMove moveType;
11229 char move[MSG_SIZ];
11232 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11233 gameMode != AnalyzeMode && gameMode != Training) {
11238 yyboardindex = forwardMostMove;
11239 if (readAhead != EndOfFile) {
11240 moveType = readAhead;
11242 if (gameFileFP == NULL)
11244 moveType = (ChessMove) Myylex();
11248 switch (moveType) {
11250 if (appData.debugMode)
11251 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11254 /* append the comment but don't display it */
11255 AppendComment(currentMove, p, FALSE);
11258 case WhiteCapturesEnPassant:
11259 case BlackCapturesEnPassant:
11260 case WhitePromotion:
11261 case BlackPromotion:
11262 case WhiteNonPromotion:
11263 case BlackNonPromotion:
11265 case WhiteKingSideCastle:
11266 case WhiteQueenSideCastle:
11267 case BlackKingSideCastle:
11268 case BlackQueenSideCastle:
11269 case WhiteKingSideCastleWild:
11270 case WhiteQueenSideCastleWild:
11271 case BlackKingSideCastleWild:
11272 case BlackQueenSideCastleWild:
11274 case WhiteHSideCastleFR:
11275 case WhiteASideCastleFR:
11276 case BlackHSideCastleFR:
11277 case BlackASideCastleFR:
11279 if (appData.debugMode)
11280 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11281 fromX = currentMoveString[0] - AAA;
11282 fromY = currentMoveString[1] - ONE;
11283 toX = currentMoveString[2] - AAA;
11284 toY = currentMoveString[3] - ONE;
11285 promoChar = currentMoveString[4];
11290 if (appData.debugMode)
11291 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11292 fromX = moveType == WhiteDrop ?
11293 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11294 (int) CharToPiece(ToLower(currentMoveString[0]));
11296 toX = currentMoveString[2] - AAA;
11297 toY = currentMoveString[3] - ONE;
11303 case GameUnfinished:
11304 if (appData.debugMode)
11305 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11306 p = strchr(yy_text, '{');
11307 if (p == NULL) p = strchr(yy_text, '(');
11310 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11312 q = strchr(p, *p == '{' ? '}' : ')');
11313 if (q != NULL) *q = NULLCHAR;
11316 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11317 GameEnds(moveType, p, GE_FILE);
11319 if (cmailMsgLoaded) {
11321 flipView = WhiteOnMove(currentMove);
11322 if (moveType == GameUnfinished) flipView = !flipView;
11323 if (appData.debugMode)
11324 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11329 if (appData.debugMode)
11330 fprintf(debugFP, "Parser hit end of file\n");
11331 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11337 if (WhiteOnMove(currentMove)) {
11338 GameEnds(BlackWins, "Black mates", GE_FILE);
11340 GameEnds(WhiteWins, "White mates", GE_FILE);
11344 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11350 case MoveNumberOne:
11351 if (lastLoadGameStart == GNUChessGame) {
11352 /* GNUChessGames have numbers, but they aren't move numbers */
11353 if (appData.debugMode)
11354 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11355 yy_text, (int) moveType);
11356 return LoadGameOneMove(EndOfFile); /* tail recursion */
11358 /* else fall thru */
11363 /* Reached start of next game in file */
11364 if (appData.debugMode)
11365 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11366 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11372 if (WhiteOnMove(currentMove)) {
11373 GameEnds(BlackWins, "Black mates", GE_FILE);
11375 GameEnds(WhiteWins, "White mates", GE_FILE);
11379 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11385 case PositionDiagram: /* should not happen; ignore */
11386 case ElapsedTime: /* ignore */
11387 case NAG: /* ignore */
11388 if (appData.debugMode)
11389 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11390 yy_text, (int) moveType);
11391 return LoadGameOneMove(EndOfFile); /* tail recursion */
11394 if (appData.testLegality) {
11395 if (appData.debugMode)
11396 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11397 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11398 (forwardMostMove / 2) + 1,
11399 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11400 DisplayError(move, 0);
11403 if (appData.debugMode)
11404 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11405 yy_text, currentMoveString);
11406 fromX = currentMoveString[0] - AAA;
11407 fromY = currentMoveString[1] - ONE;
11408 toX = currentMoveString[2] - AAA;
11409 toY = currentMoveString[3] - ONE;
11410 promoChar = currentMoveString[4];
11414 case AmbiguousMove:
11415 if (appData.debugMode)
11416 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11417 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11418 (forwardMostMove / 2) + 1,
11419 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11420 DisplayError(move, 0);
11425 case ImpossibleMove:
11426 if (appData.debugMode)
11427 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11428 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11429 (forwardMostMove / 2) + 1,
11430 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11431 DisplayError(move, 0);
11437 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11438 DrawPosition(FALSE, boards[currentMove]);
11439 DisplayBothClocks();
11440 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11441 DisplayComment(currentMove - 1, commentList[currentMove]);
11443 (void) StopLoadGameTimer();
11445 cmailOldMove = forwardMostMove;
11448 /* currentMoveString is set as a side-effect of yylex */
11450 thinkOutput[0] = NULLCHAR;
11451 MakeMove(fromX, fromY, toX, toY, promoChar);
11452 currentMove = forwardMostMove;
11457 /* Load the nth game from the given file */
11459 LoadGameFromFile (char *filename, int n, char *title, int useList)
11464 if (strcmp(filename, "-") == 0) {
11468 f = fopen(filename, "rb");
11470 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11471 DisplayError(buf, errno);
11475 if (fseek(f, 0, 0) == -1) {
11476 /* f is not seekable; probably a pipe */
11479 if (useList && n == 0) {
11480 int error = GameListBuild(f);
11482 DisplayError(_("Cannot build game list"), error);
11483 } else if (!ListEmpty(&gameList) &&
11484 ((ListGame *) gameList.tailPred)->number > 1) {
11485 GameListPopUp(f, title);
11492 return LoadGame(f, n, title, FALSE);
11497 MakeRegisteredMove ()
11499 int fromX, fromY, toX, toY;
11501 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11502 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11505 if (appData.debugMode)
11506 fprintf(debugFP, "Restoring %s for game %d\n",
11507 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11509 thinkOutput[0] = NULLCHAR;
11510 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11511 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11512 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11513 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11514 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11515 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11516 MakeMove(fromX, fromY, toX, toY, promoChar);
11517 ShowMove(fromX, fromY, toX, toY);
11519 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11526 if (WhiteOnMove(currentMove)) {
11527 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11529 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11534 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11541 if (WhiteOnMove(currentMove)) {
11542 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11544 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11549 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11560 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11562 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11566 if (gameNumber > nCmailGames) {
11567 DisplayError(_("No more games in this message"), 0);
11570 if (f == lastLoadGameFP) {
11571 int offset = gameNumber - lastLoadGameNumber;
11573 cmailMsg[0] = NULLCHAR;
11574 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11575 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11576 nCmailMovesRegistered--;
11578 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11579 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11580 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11583 if (! RegisterMove()) return FALSE;
11587 retVal = LoadGame(f, gameNumber, title, useList);
11589 /* Make move registered during previous look at this game, if any */
11590 MakeRegisteredMove();
11592 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11593 commentList[currentMove]
11594 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11595 DisplayComment(currentMove - 1, commentList[currentMove]);
11601 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11603 ReloadGame (int offset)
11605 int gameNumber = lastLoadGameNumber + offset;
11606 if (lastLoadGameFP == NULL) {
11607 DisplayError(_("No game has been loaded yet"), 0);
11610 if (gameNumber <= 0) {
11611 DisplayError(_("Can't back up any further"), 0);
11614 if (cmailMsgLoaded) {
11615 return CmailLoadGame(lastLoadGameFP, gameNumber,
11616 lastLoadGameTitle, lastLoadGameUseList);
11618 return LoadGame(lastLoadGameFP, gameNumber,
11619 lastLoadGameTitle, lastLoadGameUseList);
11623 int keys[EmptySquare+1];
11626 PositionMatches (Board b1, Board b2)
11629 switch(appData.searchMode) {
11630 case 1: return CompareWithRights(b1, b2);
11632 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11633 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11637 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11638 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11639 sum += keys[b1[r][f]] - keys[b2[r][f]];
11643 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11644 sum += keys[b1[r][f]] - keys[b2[r][f]];
11656 int pieceList[256], quickBoard[256];
11657 ChessSquare pieceType[256] = { EmptySquare };
11658 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11659 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11660 int soughtTotal, turn;
11661 Boolean epOK, flipSearch;
11664 unsigned char piece, to;
11667 #define DSIZE (250000)
11669 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11670 Move *moveDatabase = initialSpace;
11671 unsigned int movePtr, dataSize = DSIZE;
11674 MakePieceList (Board board, int *counts)
11676 int r, f, n=Q_PROMO, total=0;
11677 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11678 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11679 int sq = f + (r<<4);
11680 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11681 quickBoard[sq] = ++n;
11683 pieceType[n] = board[r][f];
11684 counts[board[r][f]]++;
11685 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11686 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11690 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11695 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11697 int sq = fromX + (fromY<<4);
11698 int piece = quickBoard[sq];
11699 quickBoard[sq] = 0;
11700 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11701 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11702 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11703 moveDatabase[movePtr++].piece = Q_WCASTL;
11704 quickBoard[sq] = piece;
11705 piece = quickBoard[from]; quickBoard[from] = 0;
11706 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11708 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11709 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11710 moveDatabase[movePtr++].piece = Q_BCASTL;
11711 quickBoard[sq] = piece;
11712 piece = quickBoard[from]; quickBoard[from] = 0;
11713 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11715 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11716 quickBoard[(fromY<<4)+toX] = 0;
11717 moveDatabase[movePtr].piece = Q_EP;
11718 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11719 moveDatabase[movePtr].to = sq;
11721 if(promoPiece != pieceType[piece]) {
11722 moveDatabase[movePtr++].piece = Q_PROMO;
11723 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11725 moveDatabase[movePtr].piece = piece;
11726 quickBoard[sq] = piece;
11731 PackGame (Board board)
11733 Move *newSpace = NULL;
11734 moveDatabase[movePtr].piece = 0; // terminate previous game
11735 if(movePtr > dataSize) {
11736 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11737 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11738 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11741 Move *p = moveDatabase, *q = newSpace;
11742 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11743 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11744 moveDatabase = newSpace;
11745 } else { // calloc failed, we must be out of memory. Too bad...
11746 dataSize = 0; // prevent calloc events for all subsequent games
11747 return 0; // and signal this one isn't cached
11751 MakePieceList(board, counts);
11756 QuickCompare (Board board, int *minCounts, int *maxCounts)
11757 { // compare according to search mode
11759 switch(appData.searchMode)
11761 case 1: // exact position match
11762 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11763 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11764 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11767 case 2: // can have extra material on empty squares
11768 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11769 if(board[r][f] == EmptySquare) continue;
11770 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11773 case 3: // material with exact Pawn structure
11774 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11775 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11776 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11777 } // fall through to material comparison
11778 case 4: // exact material
11779 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11781 case 6: // material range with given imbalance
11782 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11783 // fall through to range comparison
11784 case 5: // material range
11785 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11791 QuickScan (Board board, Move *move)
11792 { // reconstruct game,and compare all positions in it
11793 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11795 int piece = move->piece;
11796 int to = move->to, from = pieceList[piece];
11797 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11798 if(!piece) return -1;
11799 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11800 piece = (++move)->piece;
11801 from = pieceList[piece];
11802 counts[pieceType[piece]]--;
11803 pieceType[piece] = (ChessSquare) move->to;
11804 counts[move->to]++;
11805 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11806 counts[pieceType[quickBoard[to]]]--;
11807 quickBoard[to] = 0; total--;
11810 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11811 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11812 from = pieceList[piece]; // so this must be King
11813 quickBoard[from] = 0;
11814 pieceList[piece] = to;
11815 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11816 quickBoard[from] = 0; // rook
11817 quickBoard[to] = piece;
11818 to = move->to; piece = move->piece;
11822 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11823 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11824 quickBoard[from] = 0;
11826 quickBoard[to] = piece;
11827 pieceList[piece] = to;
11829 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11830 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11831 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11832 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11834 static int lastCounts[EmptySquare+1];
11836 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11837 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11838 } else stretch = 0;
11839 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11848 flipSearch = FALSE;
11849 CopyBoard(soughtBoard, boards[currentMove]);
11850 soughtTotal = MakePieceList(soughtBoard, maxSought);
11851 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11852 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11853 CopyBoard(reverseBoard, boards[currentMove]);
11854 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11855 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11856 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11857 reverseBoard[r][f] = piece;
11859 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11860 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11861 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11862 || (boards[currentMove][CASTLING][2] == NoRights ||
11863 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11864 && (boards[currentMove][CASTLING][5] == NoRights ||
11865 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11868 CopyBoard(flipBoard, soughtBoard);
11869 CopyBoard(rotateBoard, reverseBoard);
11870 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11871 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11872 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11875 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11876 if(appData.searchMode >= 5) {
11877 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11878 MakePieceList(soughtBoard, minSought);
11879 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11881 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11882 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11885 GameInfo dummyInfo;
11886 static int creatingBook;
11889 GameContainsPosition (FILE *f, ListGame *lg)
11891 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11892 int fromX, fromY, toX, toY;
11894 static int initDone=FALSE;
11896 // weed out games based on numerical tag comparison
11897 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11898 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11899 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11900 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11902 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11905 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11906 else CopyBoard(boards[scratch], initialPosition); // default start position
11909 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11910 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11913 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11914 fseek(f, lg->offset, 0);
11917 yyboardindex = scratch;
11918 quickFlag = plyNr+1;
11923 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11929 if(plyNr) return -1; // after we have seen moves, this is for new game
11932 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11933 case ImpossibleMove:
11934 case WhiteWins: // game ends here with these four
11937 case GameUnfinished:
11941 if(appData.testLegality) return -1;
11942 case WhiteCapturesEnPassant:
11943 case BlackCapturesEnPassant:
11944 case WhitePromotion:
11945 case BlackPromotion:
11946 case WhiteNonPromotion:
11947 case BlackNonPromotion:
11949 case WhiteKingSideCastle:
11950 case WhiteQueenSideCastle:
11951 case BlackKingSideCastle:
11952 case BlackQueenSideCastle:
11953 case WhiteKingSideCastleWild:
11954 case WhiteQueenSideCastleWild:
11955 case BlackKingSideCastleWild:
11956 case BlackQueenSideCastleWild:
11957 case WhiteHSideCastleFR:
11958 case WhiteASideCastleFR:
11959 case BlackHSideCastleFR:
11960 case BlackASideCastleFR:
11961 fromX = currentMoveString[0] - AAA;
11962 fromY = currentMoveString[1] - ONE;
11963 toX = currentMoveString[2] - AAA;
11964 toY = currentMoveString[3] - ONE;
11965 promoChar = currentMoveString[4];
11969 fromX = next == WhiteDrop ?
11970 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11971 (int) CharToPiece(ToLower(currentMoveString[0]));
11973 toX = currentMoveString[2] - AAA;
11974 toY = currentMoveString[3] - ONE;
11978 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11980 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11981 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11982 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11983 if(appData.findMirror) {
11984 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11985 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11990 /* Load the nth game from open file f */
11992 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11996 int gn = gameNumber;
11997 ListGame *lg = NULL;
11998 int numPGNTags = 0;
12000 GameMode oldGameMode;
12001 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12003 if (appData.debugMode)
12004 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12006 if (gameMode == Training )
12007 SetTrainingModeOff();
12009 oldGameMode = gameMode;
12010 if (gameMode != BeginningOfGame) {
12011 Reset(FALSE, TRUE);
12015 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12016 fclose(lastLoadGameFP);
12020 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12023 fseek(f, lg->offset, 0);
12024 GameListHighlight(gameNumber);
12025 pos = lg->position;
12029 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
12030 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12032 DisplayError(_("Game number out of range"), 0);
12037 if (fseek(f, 0, 0) == -1) {
12038 if (f == lastLoadGameFP ?
12039 gameNumber == lastLoadGameNumber + 1 :
12043 DisplayError(_("Can't seek on game file"), 0);
12048 lastLoadGameFP = f;
12049 lastLoadGameNumber = gameNumber;
12050 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12051 lastLoadGameUseList = useList;
12055 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12056 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12057 lg->gameInfo.black);
12059 } else if (*title != NULLCHAR) {
12060 if (gameNumber > 1) {
12061 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12064 DisplayTitle(title);
12068 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12069 gameMode = PlayFromGameFile;
12073 currentMove = forwardMostMove = backwardMostMove = 0;
12074 CopyBoard(boards[0], initialPosition);
12078 * Skip the first gn-1 games in the file.
12079 * Also skip over anything that precedes an identifiable
12080 * start of game marker, to avoid being confused by
12081 * garbage at the start of the file. Currently
12082 * recognized start of game markers are the move number "1",
12083 * the pattern "gnuchess .* game", the pattern
12084 * "^[#;%] [^ ]* game file", and a PGN tag block.
12085 * A game that starts with one of the latter two patterns
12086 * will also have a move number 1, possibly
12087 * following a position diagram.
12088 * 5-4-02: Let's try being more lenient and allowing a game to
12089 * start with an unnumbered move. Does that break anything?
12091 cm = lastLoadGameStart = EndOfFile;
12093 yyboardindex = forwardMostMove;
12094 cm = (ChessMove) Myylex();
12097 if (cmailMsgLoaded) {
12098 nCmailGames = CMAIL_MAX_GAMES - gn;
12101 DisplayError(_("Game not found in file"), 0);
12108 lastLoadGameStart = cm;
12111 case MoveNumberOne:
12112 switch (lastLoadGameStart) {
12117 case MoveNumberOne:
12119 gn--; /* count this game */
12120 lastLoadGameStart = cm;
12129 switch (lastLoadGameStart) {
12132 case MoveNumberOne:
12134 gn--; /* count this game */
12135 lastLoadGameStart = cm;
12138 lastLoadGameStart = cm; /* game counted already */
12146 yyboardindex = forwardMostMove;
12147 cm = (ChessMove) Myylex();
12148 } while (cm == PGNTag || cm == Comment);
12155 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12156 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12157 != CMAIL_OLD_RESULT) {
12159 cmailResult[ CMAIL_MAX_GAMES
12160 - gn - 1] = CMAIL_OLD_RESULT;
12166 /* Only a NormalMove can be at the start of a game
12167 * without a position diagram. */
12168 if (lastLoadGameStart == EndOfFile ) {
12170 lastLoadGameStart = MoveNumberOne;
12179 if (appData.debugMode)
12180 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12182 if (cm == XBoardGame) {
12183 /* Skip any header junk before position diagram and/or move 1 */
12185 yyboardindex = forwardMostMove;
12186 cm = (ChessMove) Myylex();
12188 if (cm == EndOfFile ||
12189 cm == GNUChessGame || cm == XBoardGame) {
12190 /* Empty game; pretend end-of-file and handle later */
12195 if (cm == MoveNumberOne || cm == PositionDiagram ||
12196 cm == PGNTag || cm == Comment)
12199 } else if (cm == GNUChessGame) {
12200 if (gameInfo.event != NULL) {
12201 free(gameInfo.event);
12203 gameInfo.event = StrSave(yy_text);
12206 startedFromSetupPosition = FALSE;
12207 while (cm == PGNTag) {
12208 if (appData.debugMode)
12209 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12210 err = ParsePGNTag(yy_text, &gameInfo);
12211 if (!err) numPGNTags++;
12213 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12214 if(gameInfo.variant != oldVariant) {
12215 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12216 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12217 InitPosition(TRUE);
12218 oldVariant = gameInfo.variant;
12219 if (appData.debugMode)
12220 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12224 if (gameInfo.fen != NULL) {
12225 Board initial_position;
12226 startedFromSetupPosition = TRUE;
12227 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12229 DisplayError(_("Bad FEN position in file"), 0);
12232 CopyBoard(boards[0], initial_position);
12233 if (blackPlaysFirst) {
12234 currentMove = forwardMostMove = backwardMostMove = 1;
12235 CopyBoard(boards[1], initial_position);
12236 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12237 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12238 timeRemaining[0][1] = whiteTimeRemaining;
12239 timeRemaining[1][1] = blackTimeRemaining;
12240 if (commentList[0] != NULL) {
12241 commentList[1] = commentList[0];
12242 commentList[0] = NULL;
12245 currentMove = forwardMostMove = backwardMostMove = 0;
12247 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12249 initialRulePlies = FENrulePlies;
12250 for( i=0; i< nrCastlingRights; i++ )
12251 initialRights[i] = initial_position[CASTLING][i];
12253 yyboardindex = forwardMostMove;
12254 free(gameInfo.fen);
12255 gameInfo.fen = NULL;
12258 yyboardindex = forwardMostMove;
12259 cm = (ChessMove) Myylex();
12261 /* Handle comments interspersed among the tags */
12262 while (cm == Comment) {
12264 if (appData.debugMode)
12265 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12267 AppendComment(currentMove, p, FALSE);
12268 yyboardindex = forwardMostMove;
12269 cm = (ChessMove) Myylex();
12273 /* don't rely on existence of Event tag since if game was
12274 * pasted from clipboard the Event tag may not exist
12276 if (numPGNTags > 0){
12278 if (gameInfo.variant == VariantNormal) {
12279 VariantClass v = StringToVariant(gameInfo.event);
12280 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12281 if(v < VariantShogi) gameInfo.variant = v;
12284 if( appData.autoDisplayTags ) {
12285 tags = PGNTags(&gameInfo);
12286 TagsPopUp(tags, CmailMsg());
12291 /* Make something up, but don't display it now */
12296 if (cm == PositionDiagram) {
12299 Board initial_position;
12301 if (appData.debugMode)
12302 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12304 if (!startedFromSetupPosition) {
12306 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12307 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12318 initial_position[i][j++] = CharToPiece(*p);
12321 while (*p == ' ' || *p == '\t' ||
12322 *p == '\n' || *p == '\r') p++;
12324 if (strncmp(p, "black", strlen("black"))==0)
12325 blackPlaysFirst = TRUE;
12327 blackPlaysFirst = FALSE;
12328 startedFromSetupPosition = TRUE;
12330 CopyBoard(boards[0], initial_position);
12331 if (blackPlaysFirst) {
12332 currentMove = forwardMostMove = backwardMostMove = 1;
12333 CopyBoard(boards[1], initial_position);
12334 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12335 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12336 timeRemaining[0][1] = whiteTimeRemaining;
12337 timeRemaining[1][1] = blackTimeRemaining;
12338 if (commentList[0] != NULL) {
12339 commentList[1] = commentList[0];
12340 commentList[0] = NULL;
12343 currentMove = forwardMostMove = backwardMostMove = 0;
12346 yyboardindex = forwardMostMove;
12347 cm = (ChessMove) Myylex();
12350 if(!creatingBook) {
12351 if (first.pr == NoProc) {
12352 StartChessProgram(&first);
12354 InitChessProgram(&first, FALSE);
12355 SendToProgram("force\n", &first);
12356 if (startedFromSetupPosition) {
12357 SendBoard(&first, forwardMostMove);
12358 if (appData.debugMode) {
12359 fprintf(debugFP, "Load Game\n");
12361 DisplayBothClocks();
12365 /* [HGM] server: flag to write setup moves in broadcast file as one */
12366 loadFlag = appData.suppressLoadMoves;
12368 while (cm == Comment) {
12370 if (appData.debugMode)
12371 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12373 AppendComment(currentMove, p, FALSE);
12374 yyboardindex = forwardMostMove;
12375 cm = (ChessMove) Myylex();
12378 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12379 cm == WhiteWins || cm == BlackWins ||
12380 cm == GameIsDrawn || cm == GameUnfinished) {
12381 DisplayMessage("", _("No moves in game"));
12382 if (cmailMsgLoaded) {
12383 if (appData.debugMode)
12384 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12388 DrawPosition(FALSE, boards[currentMove]);
12389 DisplayBothClocks();
12390 gameMode = EditGame;
12397 // [HGM] PV info: routine tests if comment empty
12398 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12399 DisplayComment(currentMove - 1, commentList[currentMove]);
12401 if (!matchMode && appData.timeDelay != 0)
12402 DrawPosition(FALSE, boards[currentMove]);
12404 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12405 programStats.ok_to_send = 1;
12408 /* if the first token after the PGN tags is a move
12409 * and not move number 1, retrieve it from the parser
12411 if (cm != MoveNumberOne)
12412 LoadGameOneMove(cm);
12414 /* load the remaining moves from the file */
12415 while (LoadGameOneMove(EndOfFile)) {
12416 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12417 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12420 /* rewind to the start of the game */
12421 currentMove = backwardMostMove;
12423 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12425 if (oldGameMode == AnalyzeFile ||
12426 oldGameMode == AnalyzeMode) {
12427 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12428 AnalyzeFileEvent();
12431 if(creatingBook) return TRUE;
12432 if (!matchMode && pos > 0) {
12433 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12435 if (matchMode || appData.timeDelay == 0) {
12437 } else if (appData.timeDelay > 0) {
12438 AutoPlayGameLoop();
12441 if (appData.debugMode)
12442 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12444 loadFlag = 0; /* [HGM] true game starts */
12448 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12450 ReloadPosition (int offset)
12452 int positionNumber = lastLoadPositionNumber + offset;
12453 if (lastLoadPositionFP == NULL) {
12454 DisplayError(_("No position has been loaded yet"), 0);
12457 if (positionNumber <= 0) {
12458 DisplayError(_("Can't back up any further"), 0);
12461 return LoadPosition(lastLoadPositionFP, positionNumber,
12462 lastLoadPositionTitle);
12465 /* Load the nth position from the given file */
12467 LoadPositionFromFile (char *filename, int n, char *title)
12472 if (strcmp(filename, "-") == 0) {
12473 return LoadPosition(stdin, n, "stdin");
12475 f = fopen(filename, "rb");
12477 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12478 DisplayError(buf, errno);
12481 return LoadPosition(f, n, title);
12486 /* Load the nth position from the given open file, and close it */
12488 LoadPosition (FILE *f, int positionNumber, char *title)
12490 char *p, line[MSG_SIZ];
12491 Board initial_position;
12492 int i, j, fenMode, pn;
12494 if (gameMode == Training )
12495 SetTrainingModeOff();
12497 if (gameMode != BeginningOfGame) {
12498 Reset(FALSE, TRUE);
12500 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12501 fclose(lastLoadPositionFP);
12503 if (positionNumber == 0) positionNumber = 1;
12504 lastLoadPositionFP = f;
12505 lastLoadPositionNumber = positionNumber;
12506 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12507 if (first.pr == NoProc && !appData.noChessProgram) {
12508 StartChessProgram(&first);
12509 InitChessProgram(&first, FALSE);
12511 pn = positionNumber;
12512 if (positionNumber < 0) {
12513 /* Negative position number means to seek to that byte offset */
12514 if (fseek(f, -positionNumber, 0) == -1) {
12515 DisplayError(_("Can't seek on position file"), 0);
12520 if (fseek(f, 0, 0) == -1) {
12521 if (f == lastLoadPositionFP ?
12522 positionNumber == lastLoadPositionNumber + 1 :
12523 positionNumber == 1) {
12526 DisplayError(_("Can't seek on position file"), 0);
12531 /* See if this file is FEN or old-style xboard */
12532 if (fgets(line, MSG_SIZ, f) == NULL) {
12533 DisplayError(_("Position not found in file"), 0);
12536 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12537 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12540 if (fenMode || line[0] == '#') pn--;
12542 /* skip positions before number pn */
12543 if (fgets(line, MSG_SIZ, f) == NULL) {
12545 DisplayError(_("Position not found in file"), 0);
12548 if (fenMode || line[0] == '#') pn--;
12553 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12554 DisplayError(_("Bad FEN position in file"), 0);
12558 (void) fgets(line, MSG_SIZ, f);
12559 (void) fgets(line, MSG_SIZ, f);
12561 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12562 (void) fgets(line, MSG_SIZ, f);
12563 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12566 initial_position[i][j++] = CharToPiece(*p);
12570 blackPlaysFirst = FALSE;
12572 (void) fgets(line, MSG_SIZ, f);
12573 if (strncmp(line, "black", strlen("black"))==0)
12574 blackPlaysFirst = TRUE;
12577 startedFromSetupPosition = TRUE;
12579 CopyBoard(boards[0], initial_position);
12580 if (blackPlaysFirst) {
12581 currentMove = forwardMostMove = backwardMostMove = 1;
12582 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12583 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12584 CopyBoard(boards[1], initial_position);
12585 DisplayMessage("", _("Black to play"));
12587 currentMove = forwardMostMove = backwardMostMove = 0;
12588 DisplayMessage("", _("White to play"));
12590 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12591 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12592 SendToProgram("force\n", &first);
12593 SendBoard(&first, forwardMostMove);
12595 if (appData.debugMode) {
12597 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12598 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12599 fprintf(debugFP, "Load Position\n");
12602 if (positionNumber > 1) {
12603 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12604 DisplayTitle(line);
12606 DisplayTitle(title);
12608 gameMode = EditGame;
12611 timeRemaining[0][1] = whiteTimeRemaining;
12612 timeRemaining[1][1] = blackTimeRemaining;
12613 DrawPosition(FALSE, boards[currentMove]);
12620 CopyPlayerNameIntoFileName (char **dest, char *src)
12622 while (*src != NULLCHAR && *src != ',') {
12627 *(*dest)++ = *src++;
12633 DefaultFileName (char *ext)
12635 static char def[MSG_SIZ];
12638 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12640 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12642 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12644 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12651 /* Save the current game to the given file */
12653 SaveGameToFile (char *filename, int append)
12657 int result, i, t,tot=0;
12659 if (strcmp(filename, "-") == 0) {
12660 return SaveGame(stdout, 0, NULL);
12662 for(i=0; i<10; i++) { // upto 10 tries
12663 f = fopen(filename, append ? "a" : "w");
12664 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12665 if(f || errno != 13) break;
12666 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12670 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12671 DisplayError(buf, errno);
12674 safeStrCpy(buf, lastMsg, MSG_SIZ);
12675 DisplayMessage(_("Waiting for access to save file"), "");
12676 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12677 DisplayMessage(_("Saving game"), "");
12678 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12679 result = SaveGame(f, 0, NULL);
12680 DisplayMessage(buf, "");
12687 SavePart (char *str)
12689 static char buf[MSG_SIZ];
12692 p = strchr(str, ' ');
12693 if (p == NULL) return str;
12694 strncpy(buf, str, p - str);
12695 buf[p - str] = NULLCHAR;
12699 #define PGN_MAX_LINE 75
12701 #define PGN_SIDE_WHITE 0
12702 #define PGN_SIDE_BLACK 1
12705 FindFirstMoveOutOfBook (int side)
12709 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12710 int index = backwardMostMove;
12711 int has_book_hit = 0;
12713 if( (index % 2) != side ) {
12717 while( index < forwardMostMove ) {
12718 /* Check to see if engine is in book */
12719 int depth = pvInfoList[index].depth;
12720 int score = pvInfoList[index].score;
12726 else if( score == 0 && depth == 63 ) {
12727 in_book = 1; /* Zappa */
12729 else if( score == 2 && depth == 99 ) {
12730 in_book = 1; /* Abrok */
12733 has_book_hit += in_book;
12749 GetOutOfBookInfo (char * buf)
12753 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12755 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12756 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12760 if( oob[0] >= 0 || oob[1] >= 0 ) {
12761 for( i=0; i<2; i++ ) {
12765 if( i > 0 && oob[0] >= 0 ) {
12766 strcat( buf, " " );
12769 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12770 sprintf( buf+strlen(buf), "%s%.2f",
12771 pvInfoList[idx].score >= 0 ? "+" : "",
12772 pvInfoList[idx].score / 100.0 );
12778 /* Save game in PGN style and close the file */
12780 SaveGamePGN (FILE *f)
12782 int i, offset, linelen, newblock;
12785 int movelen, numlen, blank;
12786 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12788 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12790 PrintPGNTags(f, &gameInfo);
12792 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12794 if (backwardMostMove > 0 || startedFromSetupPosition) {
12795 char *fen = PositionToFEN(backwardMostMove, NULL);
12796 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12797 fprintf(f, "\n{--------------\n");
12798 PrintPosition(f, backwardMostMove);
12799 fprintf(f, "--------------}\n");
12803 /* [AS] Out of book annotation */
12804 if( appData.saveOutOfBookInfo ) {
12807 GetOutOfBookInfo( buf );
12809 if( buf[0] != '\0' ) {
12810 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12817 i = backwardMostMove;
12821 while (i < forwardMostMove) {
12822 /* Print comments preceding this move */
12823 if (commentList[i] != NULL) {
12824 if (linelen > 0) fprintf(f, "\n");
12825 fprintf(f, "%s", commentList[i]);
12830 /* Format move number */
12832 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12835 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12837 numtext[0] = NULLCHAR;
12839 numlen = strlen(numtext);
12842 /* Print move number */
12843 blank = linelen > 0 && numlen > 0;
12844 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12853 fprintf(f, "%s", numtext);
12857 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12858 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12861 blank = linelen > 0 && movelen > 0;
12862 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12871 fprintf(f, "%s", move_buffer);
12872 linelen += movelen;
12874 /* [AS] Add PV info if present */
12875 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12876 /* [HGM] add time */
12877 char buf[MSG_SIZ]; int seconds;
12879 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12885 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12888 seconds = (seconds + 4)/10; // round to full seconds
12890 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12892 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12895 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12896 pvInfoList[i].score >= 0 ? "+" : "",
12897 pvInfoList[i].score / 100.0,
12898 pvInfoList[i].depth,
12901 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12903 /* Print score/depth */
12904 blank = linelen > 0 && movelen > 0;
12905 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12914 fprintf(f, "%s", move_buffer);
12915 linelen += movelen;
12921 /* Start a new line */
12922 if (linelen > 0) fprintf(f, "\n");
12924 /* Print comments after last move */
12925 if (commentList[i] != NULL) {
12926 fprintf(f, "%s\n", commentList[i]);
12930 if (gameInfo.resultDetails != NULL &&
12931 gameInfo.resultDetails[0] != NULLCHAR) {
12932 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12933 PGNResult(gameInfo.result));
12935 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12939 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12943 /* Save game in old style and close the file */
12945 SaveGameOldStyle (FILE *f)
12950 tm = time((time_t *) NULL);
12952 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12955 if (backwardMostMove > 0 || startedFromSetupPosition) {
12956 fprintf(f, "\n[--------------\n");
12957 PrintPosition(f, backwardMostMove);
12958 fprintf(f, "--------------]\n");
12963 i = backwardMostMove;
12964 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12966 while (i < forwardMostMove) {
12967 if (commentList[i] != NULL) {
12968 fprintf(f, "[%s]\n", commentList[i]);
12971 if ((i % 2) == 1) {
12972 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12975 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12977 if (commentList[i] != NULL) {
12981 if (i >= forwardMostMove) {
12985 fprintf(f, "%s\n", parseList[i]);
12990 if (commentList[i] != NULL) {
12991 fprintf(f, "[%s]\n", commentList[i]);
12994 /* This isn't really the old style, but it's close enough */
12995 if (gameInfo.resultDetails != NULL &&
12996 gameInfo.resultDetails[0] != NULLCHAR) {
12997 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12998 gameInfo.resultDetails);
13000 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13007 /* Save the current game to open file f and close the file */
13009 SaveGame (FILE *f, int dummy, char *dummy2)
13011 if (gameMode == EditPosition) EditPositionDone(TRUE);
13012 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13013 if (appData.oldSaveStyle)
13014 return SaveGameOldStyle(f);
13016 return SaveGamePGN(f);
13019 /* Save the current position to the given file */
13021 SavePositionToFile (char *filename)
13026 if (strcmp(filename, "-") == 0) {
13027 return SavePosition(stdout, 0, NULL);
13029 f = fopen(filename, "a");
13031 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13032 DisplayError(buf, errno);
13035 safeStrCpy(buf, lastMsg, MSG_SIZ);
13036 DisplayMessage(_("Waiting for access to save file"), "");
13037 flock(fileno(f), LOCK_EX); // [HGM] lock
13038 DisplayMessage(_("Saving position"), "");
13039 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13040 SavePosition(f, 0, NULL);
13041 DisplayMessage(buf, "");
13047 /* Save the current position to the given open file and close the file */
13049 SavePosition (FILE *f, int dummy, char *dummy2)
13054 if (gameMode == EditPosition) EditPositionDone(TRUE);
13055 if (appData.oldSaveStyle) {
13056 tm = time((time_t *) NULL);
13058 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13060 fprintf(f, "[--------------\n");
13061 PrintPosition(f, currentMove);
13062 fprintf(f, "--------------]\n");
13064 fen = PositionToFEN(currentMove, NULL);
13065 fprintf(f, "%s\n", fen);
13073 ReloadCmailMsgEvent (int unregister)
13076 static char *inFilename = NULL;
13077 static char *outFilename;
13079 struct stat inbuf, outbuf;
13082 /* Any registered moves are unregistered if unregister is set, */
13083 /* i.e. invoked by the signal handler */
13085 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13086 cmailMoveRegistered[i] = FALSE;
13087 if (cmailCommentList[i] != NULL) {
13088 free(cmailCommentList[i]);
13089 cmailCommentList[i] = NULL;
13092 nCmailMovesRegistered = 0;
13095 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13096 cmailResult[i] = CMAIL_NOT_RESULT;
13100 if (inFilename == NULL) {
13101 /* Because the filenames are static they only get malloced once */
13102 /* and they never get freed */
13103 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13104 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13106 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13107 sprintf(outFilename, "%s.out", appData.cmailGameName);
13110 status = stat(outFilename, &outbuf);
13112 cmailMailedMove = FALSE;
13114 status = stat(inFilename, &inbuf);
13115 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13118 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13119 counts the games, notes how each one terminated, etc.
13121 It would be nice to remove this kludge and instead gather all
13122 the information while building the game list. (And to keep it
13123 in the game list nodes instead of having a bunch of fixed-size
13124 parallel arrays.) Note this will require getting each game's
13125 termination from the PGN tags, as the game list builder does
13126 not process the game moves. --mann
13128 cmailMsgLoaded = TRUE;
13129 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13131 /* Load first game in the file or popup game menu */
13132 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13134 #endif /* !WIN32 */
13142 char string[MSG_SIZ];
13144 if ( cmailMailedMove
13145 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13146 return TRUE; /* Allow free viewing */
13149 /* Unregister move to ensure that we don't leave RegisterMove */
13150 /* with the move registered when the conditions for registering no */
13152 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13153 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13154 nCmailMovesRegistered --;
13156 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13158 free(cmailCommentList[lastLoadGameNumber - 1]);
13159 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13163 if (cmailOldMove == -1) {
13164 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13168 if (currentMove > cmailOldMove + 1) {
13169 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13173 if (currentMove < cmailOldMove) {
13174 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13178 if (forwardMostMove > currentMove) {
13179 /* Silently truncate extra moves */
13183 if ( (currentMove == cmailOldMove + 1)
13184 || ( (currentMove == cmailOldMove)
13185 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13186 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13187 if (gameInfo.result != GameUnfinished) {
13188 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13191 if (commentList[currentMove] != NULL) {
13192 cmailCommentList[lastLoadGameNumber - 1]
13193 = StrSave(commentList[currentMove]);
13195 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13197 if (appData.debugMode)
13198 fprintf(debugFP, "Saving %s for game %d\n",
13199 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13201 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13203 f = fopen(string, "w");
13204 if (appData.oldSaveStyle) {
13205 SaveGameOldStyle(f); /* also closes the file */
13207 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13208 f = fopen(string, "w");
13209 SavePosition(f, 0, NULL); /* also closes the file */
13211 fprintf(f, "{--------------\n");
13212 PrintPosition(f, currentMove);
13213 fprintf(f, "--------------}\n\n");
13215 SaveGame(f, 0, NULL); /* also closes the file*/
13218 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13219 nCmailMovesRegistered ++;
13220 } else if (nCmailGames == 1) {
13221 DisplayError(_("You have not made a move yet"), 0);
13232 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13233 FILE *commandOutput;
13234 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13235 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13241 if (! cmailMsgLoaded) {
13242 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13246 if (nCmailGames == nCmailResults) {
13247 DisplayError(_("No unfinished games"), 0);
13251 #if CMAIL_PROHIBIT_REMAIL
13252 if (cmailMailedMove) {
13253 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);
13254 DisplayError(msg, 0);
13259 if (! (cmailMailedMove || RegisterMove())) return;
13261 if ( cmailMailedMove
13262 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13263 snprintf(string, MSG_SIZ, partCommandString,
13264 appData.debugMode ? " -v" : "", appData.cmailGameName);
13265 commandOutput = popen(string, "r");
13267 if (commandOutput == NULL) {
13268 DisplayError(_("Failed to invoke cmail"), 0);
13270 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13271 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13273 if (nBuffers > 1) {
13274 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13275 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13276 nBytes = MSG_SIZ - 1;
13278 (void) memcpy(msg, buffer, nBytes);
13280 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13282 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13283 cmailMailedMove = TRUE; /* Prevent >1 moves */
13286 for (i = 0; i < nCmailGames; i ++) {
13287 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13292 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13294 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13296 appData.cmailGameName,
13298 LoadGameFromFile(buffer, 1, buffer, FALSE);
13299 cmailMsgLoaded = FALSE;
13303 DisplayInformation(msg);
13304 pclose(commandOutput);
13307 if ((*cmailMsg) != '\0') {
13308 DisplayInformation(cmailMsg);
13313 #endif /* !WIN32 */
13322 int prependComma = 0;
13324 char string[MSG_SIZ]; /* Space for game-list */
13327 if (!cmailMsgLoaded) return "";
13329 if (cmailMailedMove) {
13330 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13332 /* Create a list of games left */
13333 snprintf(string, MSG_SIZ, "[");
13334 for (i = 0; i < nCmailGames; i ++) {
13335 if (! ( cmailMoveRegistered[i]
13336 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13337 if (prependComma) {
13338 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13340 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13344 strcat(string, number);
13347 strcat(string, "]");
13349 if (nCmailMovesRegistered + nCmailResults == 0) {
13350 switch (nCmailGames) {
13352 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13356 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13360 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13365 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13367 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13372 if (nCmailResults == nCmailGames) {
13373 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13375 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13380 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13392 if (gameMode == Training)
13393 SetTrainingModeOff();
13396 cmailMsgLoaded = FALSE;
13397 if (appData.icsActive) {
13398 SendToICS(ics_prefix);
13399 SendToICS("refresh\n");
13404 ExitEvent (int status)
13408 /* Give up on clean exit */
13412 /* Keep trying for clean exit */
13416 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13418 if (telnetISR != NULL) {
13419 RemoveInputSource(telnetISR);
13421 if (icsPR != NoProc) {
13422 DestroyChildProcess(icsPR, TRUE);
13425 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13426 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13428 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13429 /* make sure this other one finishes before killing it! */
13430 if(endingGame) { int count = 0;
13431 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13432 while(endingGame && count++ < 10) DoSleep(1);
13433 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13436 /* Kill off chess programs */
13437 if (first.pr != NoProc) {
13440 DoSleep( appData.delayBeforeQuit );
13441 SendToProgram("quit\n", &first);
13442 DoSleep( appData.delayAfterQuit );
13443 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13445 if (second.pr != NoProc) {
13446 DoSleep( appData.delayBeforeQuit );
13447 SendToProgram("quit\n", &second);
13448 DoSleep( appData.delayAfterQuit );
13449 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13451 if (first.isr != NULL) {
13452 RemoveInputSource(first.isr);
13454 if (second.isr != NULL) {
13455 RemoveInputSource(second.isr);
13458 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13459 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13461 ShutDownFrontEnd();
13466 PauseEngine (ChessProgramState *cps)
13468 SendToProgram("pause\n", cps);
13473 UnPauseEngine (ChessProgramState *cps)
13475 SendToProgram("resume\n", cps);
13482 if (appData.debugMode)
13483 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13487 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13489 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13490 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13491 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13493 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13494 HandleMachineMove(stashedInputMove, stalledEngine);
13495 stalledEngine = NULL;
13498 if (gameMode == MachinePlaysWhite ||
13499 gameMode == TwoMachinesPlay ||
13500 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13501 if(first.pause) UnPauseEngine(&first);
13502 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13503 if(second.pause) UnPauseEngine(&second);
13504 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13507 DisplayBothClocks();
13509 if (gameMode == PlayFromGameFile) {
13510 if (appData.timeDelay >= 0)
13511 AutoPlayGameLoop();
13512 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13513 Reset(FALSE, TRUE);
13514 SendToICS(ics_prefix);
13515 SendToICS("refresh\n");
13516 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13517 ForwardInner(forwardMostMove);
13519 pauseExamInvalid = FALSE;
13521 switch (gameMode) {
13525 pauseExamForwardMostMove = forwardMostMove;
13526 pauseExamInvalid = FALSE;
13529 case IcsPlayingWhite:
13530 case IcsPlayingBlack:
13534 case PlayFromGameFile:
13535 (void) StopLoadGameTimer();
13539 case BeginningOfGame:
13540 if (appData.icsActive) return;
13541 /* else fall through */
13542 case MachinePlaysWhite:
13543 case MachinePlaysBlack:
13544 case TwoMachinesPlay:
13545 if (forwardMostMove == 0)
13546 return; /* don't pause if no one has moved */
13547 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13548 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13549 if(onMove->pause) { // thinking engine can be paused
13550 PauseEngine(onMove); // do it
13551 if(onMove->other->pause) // pondering opponent can always be paused immediately
13552 PauseEngine(onMove->other);
13554 SendToProgram("easy\n", onMove->other);
13556 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13557 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13559 PauseEngine(&first);
13561 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13562 } else { // human on move, pause pondering by either method
13564 PauseEngine(&first);
13565 else if(appData.ponderNextMove)
13566 SendToProgram("easy\n", &first);
13569 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13579 EditCommentEvent ()
13581 char title[MSG_SIZ];
13583 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13584 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13586 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13587 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13588 parseList[currentMove - 1]);
13591 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13598 char *tags = PGNTags(&gameInfo);
13600 EditTagsPopUp(tags, NULL);
13607 if(second.analyzing) {
13608 SendToProgram("exit\n", &second);
13609 second.analyzing = FALSE;
13611 if (second.pr == NoProc) StartChessProgram(&second);
13612 InitChessProgram(&second, FALSE);
13613 FeedMovesToProgram(&second, currentMove);
13615 SendToProgram("analyze\n", &second);
13616 second.analyzing = TRUE;
13620 /* Toggle ShowThinking */
13622 ToggleShowThinking()
13624 appData.showThinking = !appData.showThinking;
13625 ShowThinkingEvent();
13629 AnalyzeModeEvent ()
13633 if (!first.analysisSupport) {
13634 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13635 DisplayError(buf, 0);
13638 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13639 if (appData.icsActive) {
13640 if (gameMode != IcsObserving) {
13641 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13642 DisplayError(buf, 0);
13644 if (appData.icsEngineAnalyze) {
13645 if (appData.debugMode)
13646 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13652 /* if enable, user wants to disable icsEngineAnalyze */
13653 if (appData.icsEngineAnalyze) {
13658 appData.icsEngineAnalyze = TRUE;
13659 if (appData.debugMode)
13660 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13663 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13664 if (appData.noChessProgram || gameMode == AnalyzeMode)
13667 if (gameMode != AnalyzeFile) {
13668 if (!appData.icsEngineAnalyze) {
13670 if (gameMode != EditGame) return 0;
13672 if (!appData.showThinking) ToggleShowThinking();
13673 ResurrectChessProgram();
13674 SendToProgram("analyze\n", &first);
13675 first.analyzing = TRUE;
13676 /*first.maybeThinking = TRUE;*/
13677 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13678 EngineOutputPopUp();
13680 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13685 StartAnalysisClock();
13686 GetTimeMark(&lastNodeCountTime);
13692 AnalyzeFileEvent ()
13694 if (appData.noChessProgram || gameMode == AnalyzeFile)
13697 if (!first.analysisSupport) {
13699 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13700 DisplayError(buf, 0);
13704 if (gameMode != AnalyzeMode) {
13705 keepInfo = 1; // mere annotating should not alter PGN tags
13708 if (gameMode != EditGame) return;
13709 if (!appData.showThinking) ToggleShowThinking();
13710 ResurrectChessProgram();
13711 SendToProgram("analyze\n", &first);
13712 first.analyzing = TRUE;
13713 /*first.maybeThinking = TRUE;*/
13714 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13715 EngineOutputPopUp();
13717 gameMode = AnalyzeFile;
13721 StartAnalysisClock();
13722 GetTimeMark(&lastNodeCountTime);
13724 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13725 AnalysisPeriodicEvent(1);
13729 MachineWhiteEvent ()
13732 char *bookHit = NULL;
13734 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13738 if (gameMode == PlayFromGameFile ||
13739 gameMode == TwoMachinesPlay ||
13740 gameMode == Training ||
13741 gameMode == AnalyzeMode ||
13742 gameMode == EndOfGame)
13745 if (gameMode == EditPosition)
13746 EditPositionDone(TRUE);
13748 if (!WhiteOnMove(currentMove)) {
13749 DisplayError(_("It is not White's turn"), 0);
13753 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13756 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13757 gameMode == AnalyzeFile)
13760 ResurrectChessProgram(); /* in case it isn't running */
13761 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13762 gameMode = MachinePlaysWhite;
13765 gameMode = MachinePlaysWhite;
13769 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13771 if (first.sendName) {
13772 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13773 SendToProgram(buf, &first);
13775 if (first.sendTime) {
13776 if (first.useColors) {
13777 SendToProgram("black\n", &first); /*gnu kludge*/
13779 SendTimeRemaining(&first, TRUE);
13781 if (first.useColors) {
13782 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13784 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13785 SetMachineThinkingEnables();
13786 first.maybeThinking = TRUE;
13790 if (appData.autoFlipView && !flipView) {
13791 flipView = !flipView;
13792 DrawPosition(FALSE, NULL);
13793 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13796 if(bookHit) { // [HGM] book: simulate book reply
13797 static char bookMove[MSG_SIZ]; // a bit generous?
13799 programStats.nodes = programStats.depth = programStats.time =
13800 programStats.score = programStats.got_only_move = 0;
13801 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13803 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13804 strcat(bookMove, bookHit);
13805 HandleMachineMove(bookMove, &first);
13810 MachineBlackEvent ()
13813 char *bookHit = NULL;
13815 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13819 if (gameMode == PlayFromGameFile ||
13820 gameMode == TwoMachinesPlay ||
13821 gameMode == Training ||
13822 gameMode == AnalyzeMode ||
13823 gameMode == EndOfGame)
13826 if (gameMode == EditPosition)
13827 EditPositionDone(TRUE);
13829 if (WhiteOnMove(currentMove)) {
13830 DisplayError(_("It is not Black's turn"), 0);
13834 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13837 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13838 gameMode == AnalyzeFile)
13841 ResurrectChessProgram(); /* in case it isn't running */
13842 gameMode = MachinePlaysBlack;
13846 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13848 if (first.sendName) {
13849 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13850 SendToProgram(buf, &first);
13852 if (first.sendTime) {
13853 if (first.useColors) {
13854 SendToProgram("white\n", &first); /*gnu kludge*/
13856 SendTimeRemaining(&first, FALSE);
13858 if (first.useColors) {
13859 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13861 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13862 SetMachineThinkingEnables();
13863 first.maybeThinking = TRUE;
13866 if (appData.autoFlipView && flipView) {
13867 flipView = !flipView;
13868 DrawPosition(FALSE, NULL);
13869 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13871 if(bookHit) { // [HGM] book: simulate book reply
13872 static char bookMove[MSG_SIZ]; // a bit generous?
13874 programStats.nodes = programStats.depth = programStats.time =
13875 programStats.score = programStats.got_only_move = 0;
13876 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13878 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13879 strcat(bookMove, bookHit);
13880 HandleMachineMove(bookMove, &first);
13886 DisplayTwoMachinesTitle ()
13889 if (appData.matchGames > 0) {
13890 if(appData.tourneyFile[0]) {
13891 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13892 gameInfo.white, _("vs."), gameInfo.black,
13893 nextGame+1, appData.matchGames+1,
13894 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13896 if (first.twoMachinesColor[0] == 'w') {
13897 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13898 gameInfo.white, _("vs."), gameInfo.black,
13899 first.matchWins, second.matchWins,
13900 matchGame - 1 - (first.matchWins + second.matchWins));
13902 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13903 gameInfo.white, _("vs."), gameInfo.black,
13904 second.matchWins, first.matchWins,
13905 matchGame - 1 - (first.matchWins + second.matchWins));
13908 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13914 SettingsMenuIfReady ()
13916 if (second.lastPing != second.lastPong) {
13917 DisplayMessage("", _("Waiting for second chess program"));
13918 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13922 DisplayMessage("", "");
13923 SettingsPopUp(&second);
13927 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13930 if (cps->pr == NoProc) {
13931 StartChessProgram(cps);
13932 if (cps->protocolVersion == 1) {
13934 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
13936 /* kludge: allow timeout for initial "feature" command */
13937 if(retry != TwoMachinesEventIfReady) FreezeUI();
13938 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13939 DisplayMessage("", buf);
13940 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13948 TwoMachinesEvent P((void))
13952 ChessProgramState *onmove;
13953 char *bookHit = NULL;
13954 static int stalling = 0;
13958 if (appData.noChessProgram) return;
13960 switch (gameMode) {
13961 case TwoMachinesPlay:
13963 case MachinePlaysWhite:
13964 case MachinePlaysBlack:
13965 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13966 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13970 case BeginningOfGame:
13971 case PlayFromGameFile:
13974 if (gameMode != EditGame) return;
13977 EditPositionDone(TRUE);
13988 // forwardMostMove = currentMove;
13989 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13991 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13993 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
13994 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13995 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13998 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14000 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14001 DisplayError("second engine does not play this", 0);
14006 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14007 SendToProgram("force\n", &second);
14009 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14012 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14013 if(appData.matchPause>10000 || appData.matchPause<10)
14014 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14015 wait = SubtractTimeMarks(&now, &pauseStart);
14016 if(wait < appData.matchPause) {
14017 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14020 // we are now committed to starting the game
14022 DisplayMessage("", "");
14023 if (startedFromSetupPosition) {
14024 SendBoard(&second, backwardMostMove);
14025 if (appData.debugMode) {
14026 fprintf(debugFP, "Two Machines\n");
14029 for (i = backwardMostMove; i < forwardMostMove; i++) {
14030 SendMoveToProgram(i, &second);
14033 gameMode = TwoMachinesPlay;
14035 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14037 DisplayTwoMachinesTitle();
14039 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14044 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14045 SendToProgram(first.computerString, &first);
14046 if (first.sendName) {
14047 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14048 SendToProgram(buf, &first);
14050 SendToProgram(second.computerString, &second);
14051 if (second.sendName) {
14052 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14053 SendToProgram(buf, &second);
14057 if (!first.sendTime || !second.sendTime) {
14058 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14059 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14061 if (onmove->sendTime) {
14062 if (onmove->useColors) {
14063 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14065 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14067 if (onmove->useColors) {
14068 SendToProgram(onmove->twoMachinesColor, onmove);
14070 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14071 // SendToProgram("go\n", onmove);
14072 onmove->maybeThinking = TRUE;
14073 SetMachineThinkingEnables();
14077 if(bookHit) { // [HGM] book: simulate book reply
14078 static char bookMove[MSG_SIZ]; // a bit generous?
14080 programStats.nodes = programStats.depth = programStats.time =
14081 programStats.score = programStats.got_only_move = 0;
14082 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14084 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14085 strcat(bookMove, bookHit);
14086 savedMessage = bookMove; // args for deferred call
14087 savedState = onmove;
14088 ScheduleDelayedEvent(DeferredBookMove, 1);
14095 if (gameMode == Training) {
14096 SetTrainingModeOff();
14097 gameMode = PlayFromGameFile;
14098 DisplayMessage("", _("Training mode off"));
14100 gameMode = Training;
14101 animateTraining = appData.animate;
14103 /* make sure we are not already at the end of the game */
14104 if (currentMove < forwardMostMove) {
14105 SetTrainingModeOn();
14106 DisplayMessage("", _("Training mode on"));
14108 gameMode = PlayFromGameFile;
14109 DisplayError(_("Already at end of game"), 0);
14118 if (!appData.icsActive) return;
14119 switch (gameMode) {
14120 case IcsPlayingWhite:
14121 case IcsPlayingBlack:
14124 case BeginningOfGame:
14132 EditPositionDone(TRUE);
14145 gameMode = IcsIdle;
14155 switch (gameMode) {
14157 SetTrainingModeOff();
14159 case MachinePlaysWhite:
14160 case MachinePlaysBlack:
14161 case BeginningOfGame:
14162 SendToProgram("force\n", &first);
14163 SetUserThinkingEnables();
14165 case PlayFromGameFile:
14166 (void) StopLoadGameTimer();
14167 if (gameFileFP != NULL) {
14172 EditPositionDone(TRUE);
14177 SendToProgram("force\n", &first);
14179 case TwoMachinesPlay:
14180 GameEnds(EndOfFile, NULL, GE_PLAYER);
14181 ResurrectChessProgram();
14182 SetUserThinkingEnables();
14185 ResurrectChessProgram();
14187 case IcsPlayingBlack:
14188 case IcsPlayingWhite:
14189 DisplayError(_("Warning: You are still playing a game"), 0);
14192 DisplayError(_("Warning: You are still observing a game"), 0);
14195 DisplayError(_("Warning: You are still examining a game"), 0);
14206 first.offeredDraw = second.offeredDraw = 0;
14208 if (gameMode == PlayFromGameFile) {
14209 whiteTimeRemaining = timeRemaining[0][currentMove];
14210 blackTimeRemaining = timeRemaining[1][currentMove];
14214 if (gameMode == MachinePlaysWhite ||
14215 gameMode == MachinePlaysBlack ||
14216 gameMode == TwoMachinesPlay ||
14217 gameMode == EndOfGame) {
14218 i = forwardMostMove;
14219 while (i > currentMove) {
14220 SendToProgram("undo\n", &first);
14223 if(!adjustedClock) {
14224 whiteTimeRemaining = timeRemaining[0][currentMove];
14225 blackTimeRemaining = timeRemaining[1][currentMove];
14226 DisplayBothClocks();
14228 if (whiteFlag || blackFlag) {
14229 whiteFlag = blackFlag = 0;
14234 gameMode = EditGame;
14241 EditPositionEvent ()
14243 if (gameMode == EditPosition) {
14249 if (gameMode != EditGame) return;
14251 gameMode = EditPosition;
14254 if (currentMove > 0)
14255 CopyBoard(boards[0], boards[currentMove]);
14257 blackPlaysFirst = !WhiteOnMove(currentMove);
14259 currentMove = forwardMostMove = backwardMostMove = 0;
14260 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14262 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14268 /* [DM] icsEngineAnalyze - possible call from other functions */
14269 if (appData.icsEngineAnalyze) {
14270 appData.icsEngineAnalyze = FALSE;
14272 DisplayMessage("",_("Close ICS engine analyze..."));
14274 if (first.analysisSupport && first.analyzing) {
14275 SendToBoth("exit\n");
14276 first.analyzing = second.analyzing = FALSE;
14278 thinkOutput[0] = NULLCHAR;
14282 EditPositionDone (Boolean fakeRights)
14284 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14286 startedFromSetupPosition = TRUE;
14287 InitChessProgram(&first, FALSE);
14288 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14289 boards[0][EP_STATUS] = EP_NONE;
14290 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14291 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14292 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14293 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14294 } else boards[0][CASTLING][2] = NoRights;
14295 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14296 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14297 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14298 } else boards[0][CASTLING][5] = NoRights;
14299 if(gameInfo.variant == VariantSChess) {
14301 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14302 boards[0][VIRGIN][i] = 0;
14303 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14304 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14308 SendToProgram("force\n", &first);
14309 if (blackPlaysFirst) {
14310 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14311 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14312 currentMove = forwardMostMove = backwardMostMove = 1;
14313 CopyBoard(boards[1], boards[0]);
14315 currentMove = forwardMostMove = backwardMostMove = 0;
14317 SendBoard(&first, forwardMostMove);
14318 if (appData.debugMode) {
14319 fprintf(debugFP, "EditPosDone\n");
14322 DisplayMessage("", "");
14323 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14324 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14325 gameMode = EditGame;
14327 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14328 ClearHighlights(); /* [AS] */
14331 /* Pause for `ms' milliseconds */
14332 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14334 TimeDelay (long ms)
14341 } while (SubtractTimeMarks(&m2, &m1) < ms);
14344 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14346 SendMultiLineToICS (char *buf)
14348 char temp[MSG_SIZ+1], *p;
14355 strncpy(temp, buf, len);
14360 if (*p == '\n' || *p == '\r')
14365 strcat(temp, "\n");
14367 SendToPlayer(temp, strlen(temp));
14371 SetWhiteToPlayEvent ()
14373 if (gameMode == EditPosition) {
14374 blackPlaysFirst = FALSE;
14375 DisplayBothClocks(); /* works because currentMove is 0 */
14376 } else if (gameMode == IcsExamining) {
14377 SendToICS(ics_prefix);
14378 SendToICS("tomove white\n");
14383 SetBlackToPlayEvent ()
14385 if (gameMode == EditPosition) {
14386 blackPlaysFirst = TRUE;
14387 currentMove = 1; /* kludge */
14388 DisplayBothClocks();
14390 } else if (gameMode == IcsExamining) {
14391 SendToICS(ics_prefix);
14392 SendToICS("tomove black\n");
14397 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14400 ChessSquare piece = boards[0][y][x];
14402 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14404 switch (selection) {
14406 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14407 SendToICS(ics_prefix);
14408 SendToICS("bsetup clear\n");
14409 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14410 SendToICS(ics_prefix);
14411 SendToICS("clearboard\n");
14413 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14414 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14415 for (y = 0; y < BOARD_HEIGHT; y++) {
14416 if (gameMode == IcsExamining) {
14417 if (boards[currentMove][y][x] != EmptySquare) {
14418 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14423 boards[0][y][x] = p;
14428 if (gameMode == EditPosition) {
14429 DrawPosition(FALSE, boards[0]);
14434 SetWhiteToPlayEvent();
14438 SetBlackToPlayEvent();
14442 if (gameMode == IcsExamining) {
14443 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14444 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14447 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14448 if(x == BOARD_LEFT-2) {
14449 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14450 boards[0][y][1] = 0;
14452 if(x == BOARD_RGHT+1) {
14453 if(y >= gameInfo.holdingsSize) break;
14454 boards[0][y][BOARD_WIDTH-2] = 0;
14457 boards[0][y][x] = EmptySquare;
14458 DrawPosition(FALSE, boards[0]);
14463 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14464 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14465 selection = (ChessSquare) (PROMOTED piece);
14466 } else if(piece == EmptySquare) selection = WhiteSilver;
14467 else selection = (ChessSquare)((int)piece - 1);
14471 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14472 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14473 selection = (ChessSquare) (DEMOTED piece);
14474 } else if(piece == EmptySquare) selection = BlackSilver;
14475 else selection = (ChessSquare)((int)piece + 1);
14480 if(gameInfo.variant == VariantShatranj ||
14481 gameInfo.variant == VariantXiangqi ||
14482 gameInfo.variant == VariantCourier ||
14483 gameInfo.variant == VariantMakruk )
14484 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14489 if(gameInfo.variant == VariantXiangqi)
14490 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14491 if(gameInfo.variant == VariantKnightmate)
14492 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14495 if (gameMode == IcsExamining) {
14496 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14497 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14498 PieceToChar(selection), AAA + x, ONE + y);
14501 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14503 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14504 n = PieceToNumber(selection - BlackPawn);
14505 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14506 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14507 boards[0][BOARD_HEIGHT-1-n][1]++;
14509 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14510 n = PieceToNumber(selection);
14511 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14512 boards[0][n][BOARD_WIDTH-1] = selection;
14513 boards[0][n][BOARD_WIDTH-2]++;
14516 boards[0][y][x] = selection;
14517 DrawPosition(TRUE, boards[0]);
14519 fromX = fromY = -1;
14527 DropMenuEvent (ChessSquare selection, int x, int y)
14529 ChessMove moveType;
14531 switch (gameMode) {
14532 case IcsPlayingWhite:
14533 case MachinePlaysBlack:
14534 if (!WhiteOnMove(currentMove)) {
14535 DisplayMoveError(_("It is Black's turn"));
14538 moveType = WhiteDrop;
14540 case IcsPlayingBlack:
14541 case MachinePlaysWhite:
14542 if (WhiteOnMove(currentMove)) {
14543 DisplayMoveError(_("It is White's turn"));
14546 moveType = BlackDrop;
14549 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14555 if (moveType == BlackDrop && selection < BlackPawn) {
14556 selection = (ChessSquare) ((int) selection
14557 + (int) BlackPawn - (int) WhitePawn);
14559 if (boards[currentMove][y][x] != EmptySquare) {
14560 DisplayMoveError(_("That square is occupied"));
14564 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14570 /* Accept a pending offer of any kind from opponent */
14572 if (appData.icsActive) {
14573 SendToICS(ics_prefix);
14574 SendToICS("accept\n");
14575 } else if (cmailMsgLoaded) {
14576 if (currentMove == cmailOldMove &&
14577 commentList[cmailOldMove] != NULL &&
14578 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14579 "Black offers a draw" : "White offers a draw")) {
14581 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14582 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14584 DisplayError(_("There is no pending offer on this move"), 0);
14585 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14588 /* Not used for offers from chess program */
14595 /* Decline a pending offer of any kind from opponent */
14597 if (appData.icsActive) {
14598 SendToICS(ics_prefix);
14599 SendToICS("decline\n");
14600 } else if (cmailMsgLoaded) {
14601 if (currentMove == cmailOldMove &&
14602 commentList[cmailOldMove] != NULL &&
14603 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14604 "Black offers a draw" : "White offers a draw")) {
14606 AppendComment(cmailOldMove, "Draw declined", TRUE);
14607 DisplayComment(cmailOldMove - 1, "Draw declined");
14610 DisplayError(_("There is no pending offer on this move"), 0);
14613 /* Not used for offers from chess program */
14620 /* Issue ICS rematch command */
14621 if (appData.icsActive) {
14622 SendToICS(ics_prefix);
14623 SendToICS("rematch\n");
14630 /* Call your opponent's flag (claim a win on time) */
14631 if (appData.icsActive) {
14632 SendToICS(ics_prefix);
14633 SendToICS("flag\n");
14635 switch (gameMode) {
14638 case MachinePlaysWhite:
14641 GameEnds(GameIsDrawn, "Both players ran out of time",
14644 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14646 DisplayError(_("Your opponent is not out of time"), 0);
14649 case MachinePlaysBlack:
14652 GameEnds(GameIsDrawn, "Both players ran out of time",
14655 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14657 DisplayError(_("Your opponent is not out of time"), 0);
14665 ClockClick (int which)
14666 { // [HGM] code moved to back-end from winboard.c
14667 if(which) { // black clock
14668 if (gameMode == EditPosition || gameMode == IcsExamining) {
14669 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14670 SetBlackToPlayEvent();
14671 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14672 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14673 } else if (shiftKey) {
14674 AdjustClock(which, -1);
14675 } else if (gameMode == IcsPlayingWhite ||
14676 gameMode == MachinePlaysBlack) {
14679 } else { // white clock
14680 if (gameMode == EditPosition || gameMode == IcsExamining) {
14681 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14682 SetWhiteToPlayEvent();
14683 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14684 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14685 } else if (shiftKey) {
14686 AdjustClock(which, -1);
14687 } else if (gameMode == IcsPlayingBlack ||
14688 gameMode == MachinePlaysWhite) {
14697 /* Offer draw or accept pending draw offer from opponent */
14699 if (appData.icsActive) {
14700 /* Note: tournament rules require draw offers to be
14701 made after you make your move but before you punch
14702 your clock. Currently ICS doesn't let you do that;
14703 instead, you immediately punch your clock after making
14704 a move, but you can offer a draw at any time. */
14706 SendToICS(ics_prefix);
14707 SendToICS("draw\n");
14708 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14709 } else if (cmailMsgLoaded) {
14710 if (currentMove == cmailOldMove &&
14711 commentList[cmailOldMove] != NULL &&
14712 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14713 "Black offers a draw" : "White offers a draw")) {
14714 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14715 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14716 } else if (currentMove == cmailOldMove + 1) {
14717 char *offer = WhiteOnMove(cmailOldMove) ?
14718 "White offers a draw" : "Black offers a draw";
14719 AppendComment(currentMove, offer, TRUE);
14720 DisplayComment(currentMove - 1, offer);
14721 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14723 DisplayError(_("You must make your move before offering a draw"), 0);
14724 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14726 } else if (first.offeredDraw) {
14727 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14729 if (first.sendDrawOffers) {
14730 SendToProgram("draw\n", &first);
14731 userOfferedDraw = TRUE;
14739 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14741 if (appData.icsActive) {
14742 SendToICS(ics_prefix);
14743 SendToICS("adjourn\n");
14745 /* Currently GNU Chess doesn't offer or accept Adjourns */
14753 /* Offer Abort or accept pending Abort offer from opponent */
14755 if (appData.icsActive) {
14756 SendToICS(ics_prefix);
14757 SendToICS("abort\n");
14759 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14766 /* Resign. You can do this even if it's not your turn. */
14768 if (appData.icsActive) {
14769 SendToICS(ics_prefix);
14770 SendToICS("resign\n");
14772 switch (gameMode) {
14773 case MachinePlaysWhite:
14774 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14776 case MachinePlaysBlack:
14777 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14780 if (cmailMsgLoaded) {
14782 if (WhiteOnMove(cmailOldMove)) {
14783 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14785 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14787 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14798 StopObservingEvent ()
14800 /* Stop observing current games */
14801 SendToICS(ics_prefix);
14802 SendToICS("unobserve\n");
14806 StopExaminingEvent ()
14808 /* Stop observing current game */
14809 SendToICS(ics_prefix);
14810 SendToICS("unexamine\n");
14814 ForwardInner (int target)
14816 int limit; int oldSeekGraphUp = seekGraphUp;
14818 if (appData.debugMode)
14819 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14820 target, currentMove, forwardMostMove);
14822 if (gameMode == EditPosition)
14825 seekGraphUp = FALSE;
14826 MarkTargetSquares(1);
14828 if (gameMode == PlayFromGameFile && !pausing)
14831 if (gameMode == IcsExamining && pausing)
14832 limit = pauseExamForwardMostMove;
14834 limit = forwardMostMove;
14836 if (target > limit) target = limit;
14838 if (target > 0 && moveList[target - 1][0]) {
14839 int fromX, fromY, toX, toY;
14840 toX = moveList[target - 1][2] - AAA;
14841 toY = moveList[target - 1][3] - ONE;
14842 if (moveList[target - 1][1] == '@') {
14843 if (appData.highlightLastMove) {
14844 SetHighlights(-1, -1, toX, toY);
14847 fromX = moveList[target - 1][0] - AAA;
14848 fromY = moveList[target - 1][1] - ONE;
14849 if (target == currentMove + 1) {
14850 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14852 if (appData.highlightLastMove) {
14853 SetHighlights(fromX, fromY, toX, toY);
14857 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14858 gameMode == Training || gameMode == PlayFromGameFile ||
14859 gameMode == AnalyzeFile) {
14860 while (currentMove < target) {
14861 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14862 SendMoveToProgram(currentMove++, &first);
14865 currentMove = target;
14868 if (gameMode == EditGame || gameMode == EndOfGame) {
14869 whiteTimeRemaining = timeRemaining[0][currentMove];
14870 blackTimeRemaining = timeRemaining[1][currentMove];
14872 DisplayBothClocks();
14873 DisplayMove(currentMove - 1);
14874 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14875 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14876 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14877 DisplayComment(currentMove - 1, commentList[currentMove]);
14879 ClearMap(); // [HGM] exclude: invalidate map
14886 if (gameMode == IcsExamining && !pausing) {
14887 SendToICS(ics_prefix);
14888 SendToICS("forward\n");
14890 ForwardInner(currentMove + 1);
14897 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14898 /* to optimze, we temporarily turn off analysis mode while we feed
14899 * the remaining moves to the engine. Otherwise we get analysis output
14902 if (first.analysisSupport) {
14903 SendToProgram("exit\nforce\n", &first);
14904 first.analyzing = FALSE;
14908 if (gameMode == IcsExamining && !pausing) {
14909 SendToICS(ics_prefix);
14910 SendToICS("forward 999999\n");
14912 ForwardInner(forwardMostMove);
14915 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14916 /* we have fed all the moves, so reactivate analysis mode */
14917 SendToProgram("analyze\n", &first);
14918 first.analyzing = TRUE;
14919 /*first.maybeThinking = TRUE;*/
14920 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14925 BackwardInner (int target)
14927 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14929 if (appData.debugMode)
14930 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14931 target, currentMove, forwardMostMove);
14933 if (gameMode == EditPosition) return;
14934 seekGraphUp = FALSE;
14935 MarkTargetSquares(1);
14936 if (currentMove <= backwardMostMove) {
14938 DrawPosition(full_redraw, boards[currentMove]);
14941 if (gameMode == PlayFromGameFile && !pausing)
14944 if (moveList[target][0]) {
14945 int fromX, fromY, toX, toY;
14946 toX = moveList[target][2] - AAA;
14947 toY = moveList[target][3] - ONE;
14948 if (moveList[target][1] == '@') {
14949 if (appData.highlightLastMove) {
14950 SetHighlights(-1, -1, toX, toY);
14953 fromX = moveList[target][0] - AAA;
14954 fromY = moveList[target][1] - ONE;
14955 if (target == currentMove - 1) {
14956 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14958 if (appData.highlightLastMove) {
14959 SetHighlights(fromX, fromY, toX, toY);
14963 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14964 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14965 while (currentMove > target) {
14966 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14967 // null move cannot be undone. Reload program with move history before it.
14969 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14970 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14972 SendBoard(&first, i);
14973 if(second.analyzing) SendBoard(&second, i);
14974 for(currentMove=i; currentMove<target; currentMove++) {
14975 SendMoveToProgram(currentMove, &first);
14976 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14980 SendToBoth("undo\n");
14984 currentMove = target;
14987 if (gameMode == EditGame || gameMode == EndOfGame) {
14988 whiteTimeRemaining = timeRemaining[0][currentMove];
14989 blackTimeRemaining = timeRemaining[1][currentMove];
14991 DisplayBothClocks();
14992 DisplayMove(currentMove - 1);
14993 DrawPosition(full_redraw, boards[currentMove]);
14994 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14995 // [HGM] PV info: routine tests if comment empty
14996 DisplayComment(currentMove - 1, commentList[currentMove]);
14997 ClearMap(); // [HGM] exclude: invalidate map
15003 if (gameMode == IcsExamining && !pausing) {
15004 SendToICS(ics_prefix);
15005 SendToICS("backward\n");
15007 BackwardInner(currentMove - 1);
15014 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15015 /* to optimize, we temporarily turn off analysis mode while we undo
15016 * all the moves. Otherwise we get analysis output after each undo.
15018 if (first.analysisSupport) {
15019 SendToProgram("exit\nforce\n", &first);
15020 first.analyzing = FALSE;
15024 if (gameMode == IcsExamining && !pausing) {
15025 SendToICS(ics_prefix);
15026 SendToICS("backward 999999\n");
15028 BackwardInner(backwardMostMove);
15031 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15032 /* we have fed all the moves, so reactivate analysis mode */
15033 SendToProgram("analyze\n", &first);
15034 first.analyzing = TRUE;
15035 /*first.maybeThinking = TRUE;*/
15036 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15043 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15044 if (to >= forwardMostMove) to = forwardMostMove;
15045 if (to <= backwardMostMove) to = backwardMostMove;
15046 if (to < currentMove) {
15054 RevertEvent (Boolean annotate)
15056 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15059 if (gameMode != IcsExamining) {
15060 DisplayError(_("You are not examining a game"), 0);
15064 DisplayError(_("You can't revert while pausing"), 0);
15067 SendToICS(ics_prefix);
15068 SendToICS("revert\n");
15072 RetractMoveEvent ()
15074 switch (gameMode) {
15075 case MachinePlaysWhite:
15076 case MachinePlaysBlack:
15077 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15078 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15081 if (forwardMostMove < 2) return;
15082 currentMove = forwardMostMove = forwardMostMove - 2;
15083 whiteTimeRemaining = timeRemaining[0][currentMove];
15084 blackTimeRemaining = timeRemaining[1][currentMove];
15085 DisplayBothClocks();
15086 DisplayMove(currentMove - 1);
15087 ClearHighlights();/*!! could figure this out*/
15088 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15089 SendToProgram("remove\n", &first);
15090 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15093 case BeginningOfGame:
15097 case IcsPlayingWhite:
15098 case IcsPlayingBlack:
15099 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15100 SendToICS(ics_prefix);
15101 SendToICS("takeback 2\n");
15103 SendToICS(ics_prefix);
15104 SendToICS("takeback 1\n");
15113 ChessProgramState *cps;
15115 switch (gameMode) {
15116 case MachinePlaysWhite:
15117 if (!WhiteOnMove(forwardMostMove)) {
15118 DisplayError(_("It is your turn"), 0);
15123 case MachinePlaysBlack:
15124 if (WhiteOnMove(forwardMostMove)) {
15125 DisplayError(_("It is your turn"), 0);
15130 case TwoMachinesPlay:
15131 if (WhiteOnMove(forwardMostMove) ==
15132 (first.twoMachinesColor[0] == 'w')) {
15138 case BeginningOfGame:
15142 SendToProgram("?\n", cps);
15146 TruncateGameEvent ()
15149 if (gameMode != EditGame) return;
15156 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15157 if (forwardMostMove > currentMove) {
15158 if (gameInfo.resultDetails != NULL) {
15159 free(gameInfo.resultDetails);
15160 gameInfo.resultDetails = NULL;
15161 gameInfo.result = GameUnfinished;
15163 forwardMostMove = currentMove;
15164 HistorySet(parseList, backwardMostMove, forwardMostMove,
15172 if (appData.noChessProgram) return;
15173 switch (gameMode) {
15174 case MachinePlaysWhite:
15175 if (WhiteOnMove(forwardMostMove)) {
15176 DisplayError(_("Wait until your turn"), 0);
15180 case BeginningOfGame:
15181 case MachinePlaysBlack:
15182 if (!WhiteOnMove(forwardMostMove)) {
15183 DisplayError(_("Wait until your turn"), 0);
15188 DisplayError(_("No hint available"), 0);
15191 SendToProgram("hint\n", &first);
15192 hintRequested = TRUE;
15198 ListGame * lg = (ListGame *) gameList.head;
15201 static int secondTime = FALSE;
15203 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15204 DisplayError(_("Game list not loaded or empty"), 0);
15208 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15211 DisplayNote(_("Book file exists! Try again for overwrite."));
15215 creatingBook = TRUE;
15216 secondTime = FALSE;
15218 /* Get list size */
15219 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15220 LoadGame(f, nItem, "", TRUE);
15221 AddGameToBook(TRUE);
15222 lg = (ListGame *) lg->node.succ;
15225 creatingBook = FALSE;
15232 if (appData.noChessProgram) return;
15233 switch (gameMode) {
15234 case MachinePlaysWhite:
15235 if (WhiteOnMove(forwardMostMove)) {
15236 DisplayError(_("Wait until your turn"), 0);
15240 case BeginningOfGame:
15241 case MachinePlaysBlack:
15242 if (!WhiteOnMove(forwardMostMove)) {
15243 DisplayError(_("Wait until your turn"), 0);
15248 EditPositionDone(TRUE);
15250 case TwoMachinesPlay:
15255 SendToProgram("bk\n", &first);
15256 bookOutput[0] = NULLCHAR;
15257 bookRequested = TRUE;
15263 char *tags = PGNTags(&gameInfo);
15264 TagsPopUp(tags, CmailMsg());
15268 /* end button procedures */
15271 PrintPosition (FILE *fp, int move)
15275 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15276 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15277 char c = PieceToChar(boards[move][i][j]);
15278 fputc(c == 'x' ? '.' : c, fp);
15279 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15282 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15283 fprintf(fp, "white to play\n");
15285 fprintf(fp, "black to play\n");
15289 PrintOpponents (FILE *fp)
15291 if (gameInfo.white != NULL) {
15292 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15298 /* Find last component of program's own name, using some heuristics */
15300 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15303 int local = (strcmp(host, "localhost") == 0);
15304 while (!local && (p = strchr(prog, ';')) != NULL) {
15306 while (*p == ' ') p++;
15309 if (*prog == '"' || *prog == '\'') {
15310 q = strchr(prog + 1, *prog);
15312 q = strchr(prog, ' ');
15314 if (q == NULL) q = prog + strlen(prog);
15316 while (p >= prog && *p != '/' && *p != '\\') p--;
15318 if(p == prog && *p == '"') p++;
15320 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15321 memcpy(buf, p, q - p);
15322 buf[q - p] = NULLCHAR;
15330 TimeControlTagValue ()
15333 if (!appData.clockMode) {
15334 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15335 } else if (movesPerSession > 0) {
15336 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15337 } else if (timeIncrement == 0) {
15338 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15340 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15342 return StrSave(buf);
15348 /* This routine is used only for certain modes */
15349 VariantClass v = gameInfo.variant;
15350 ChessMove r = GameUnfinished;
15353 if(keepInfo) return;
15355 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15356 r = gameInfo.result;
15357 p = gameInfo.resultDetails;
15358 gameInfo.resultDetails = NULL;
15360 ClearGameInfo(&gameInfo);
15361 gameInfo.variant = v;
15363 switch (gameMode) {
15364 case MachinePlaysWhite:
15365 gameInfo.event = StrSave( appData.pgnEventHeader );
15366 gameInfo.site = StrSave(HostName());
15367 gameInfo.date = PGNDate();
15368 gameInfo.round = StrSave("-");
15369 gameInfo.white = StrSave(first.tidy);
15370 gameInfo.black = StrSave(UserName());
15371 gameInfo.timeControl = TimeControlTagValue();
15374 case MachinePlaysBlack:
15375 gameInfo.event = StrSave( appData.pgnEventHeader );
15376 gameInfo.site = StrSave(HostName());
15377 gameInfo.date = PGNDate();
15378 gameInfo.round = StrSave("-");
15379 gameInfo.white = StrSave(UserName());
15380 gameInfo.black = StrSave(first.tidy);
15381 gameInfo.timeControl = TimeControlTagValue();
15384 case TwoMachinesPlay:
15385 gameInfo.event = StrSave( appData.pgnEventHeader );
15386 gameInfo.site = StrSave(HostName());
15387 gameInfo.date = PGNDate();
15390 snprintf(buf, MSG_SIZ, "%d", roundNr);
15391 gameInfo.round = StrSave(buf);
15393 gameInfo.round = StrSave("-");
15395 if (first.twoMachinesColor[0] == 'w') {
15396 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15397 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15399 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15400 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15402 gameInfo.timeControl = TimeControlTagValue();
15406 gameInfo.event = StrSave("Edited game");
15407 gameInfo.site = StrSave(HostName());
15408 gameInfo.date = PGNDate();
15409 gameInfo.round = StrSave("-");
15410 gameInfo.white = StrSave("-");
15411 gameInfo.black = StrSave("-");
15412 gameInfo.result = r;
15413 gameInfo.resultDetails = p;
15417 gameInfo.event = StrSave("Edited position");
15418 gameInfo.site = StrSave(HostName());
15419 gameInfo.date = PGNDate();
15420 gameInfo.round = StrSave("-");
15421 gameInfo.white = StrSave("-");
15422 gameInfo.black = StrSave("-");
15425 case IcsPlayingWhite:
15426 case IcsPlayingBlack:
15431 case PlayFromGameFile:
15432 gameInfo.event = StrSave("Game from non-PGN file");
15433 gameInfo.site = StrSave(HostName());
15434 gameInfo.date = PGNDate();
15435 gameInfo.round = StrSave("-");
15436 gameInfo.white = StrSave("?");
15437 gameInfo.black = StrSave("?");
15446 ReplaceComment (int index, char *text)
15452 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15453 pvInfoList[index-1].depth == len &&
15454 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15455 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15456 while (*text == '\n') text++;
15457 len = strlen(text);
15458 while (len > 0 && text[len - 1] == '\n') len--;
15460 if (commentList[index] != NULL)
15461 free(commentList[index]);
15464 commentList[index] = NULL;
15467 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15468 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15469 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15470 commentList[index] = (char *) malloc(len + 2);
15471 strncpy(commentList[index], text, len);
15472 commentList[index][len] = '\n';
15473 commentList[index][len + 1] = NULLCHAR;
15475 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15477 commentList[index] = (char *) malloc(len + 7);
15478 safeStrCpy(commentList[index], "{\n", 3);
15479 safeStrCpy(commentList[index]+2, text, len+1);
15480 commentList[index][len+2] = NULLCHAR;
15481 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15482 strcat(commentList[index], "\n}\n");
15487 CrushCRs (char *text)
15495 if (ch == '\r') continue;
15497 } while (ch != '\0');
15501 AppendComment (int index, char *text, Boolean addBraces)
15502 /* addBraces tells if we should add {} */
15507 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15508 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15511 while (*text == '\n') text++;
15512 len = strlen(text);
15513 while (len > 0 && text[len - 1] == '\n') len--;
15514 text[len] = NULLCHAR;
15516 if (len == 0) return;
15518 if (commentList[index] != NULL) {
15519 Boolean addClosingBrace = addBraces;
15520 old = commentList[index];
15521 oldlen = strlen(old);
15522 while(commentList[index][oldlen-1] == '\n')
15523 commentList[index][--oldlen] = NULLCHAR;
15524 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15525 safeStrCpy(commentList[index], old, oldlen + len + 6);
15527 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15528 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15529 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15530 while (*text == '\n') { text++; len--; }
15531 commentList[index][--oldlen] = NULLCHAR;
15533 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15534 else strcat(commentList[index], "\n");
15535 strcat(commentList[index], text);
15536 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15537 else strcat(commentList[index], "\n");
15539 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15541 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15542 else commentList[index][0] = NULLCHAR;
15543 strcat(commentList[index], text);
15544 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15545 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15550 FindStr (char * text, char * sub_text)
15552 char * result = strstr( text, sub_text );
15554 if( result != NULL ) {
15555 result += strlen( sub_text );
15561 /* [AS] Try to extract PV info from PGN comment */
15562 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15564 GetInfoFromComment (int index, char * text)
15566 char * sep = text, *p;
15568 if( text != NULL && index > 0 ) {
15571 int time = -1, sec = 0, deci;
15572 char * s_eval = FindStr( text, "[%eval " );
15573 char * s_emt = FindStr( text, "[%emt " );
15575 if( s_eval != NULL || s_emt != NULL ) {
15579 if( s_eval != NULL ) {
15580 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15584 if( delim != ']' ) {
15589 if( s_emt != NULL ) {
15594 /* We expect something like: [+|-]nnn.nn/dd */
15597 if(*text != '{') return text; // [HGM] braces: must be normal comment
15599 sep = strchr( text, '/' );
15600 if( sep == NULL || sep < (text+4) ) {
15605 if(p[1] == '(') { // comment starts with PV
15606 p = strchr(p, ')'); // locate end of PV
15607 if(p == NULL || sep < p+5) return text;
15608 // at this point we have something like "{(.*) +0.23/6 ..."
15609 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15610 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15611 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15613 time = -1; sec = -1; deci = -1;
15614 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15615 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15616 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15617 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15621 if( score_lo < 0 || score_lo >= 100 ) {
15625 if(sec >= 0) time = 600*time + 10*sec; else
15626 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15628 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15630 /* [HGM] PV time: now locate end of PV info */
15631 while( *++sep >= '0' && *sep <= '9'); // strip depth
15633 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15635 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15637 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15638 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15649 pvInfoList[index-1].depth = depth;
15650 pvInfoList[index-1].score = score;
15651 pvInfoList[index-1].time = 10*time; // centi-sec
15652 if(*sep == '}') *sep = 0; else *--sep = '{';
15653 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15659 SendToProgram (char *message, ChessProgramState *cps)
15661 int count, outCount, error;
15664 if (cps->pr == NoProc) return;
15667 if (appData.debugMode) {
15670 fprintf(debugFP, "%ld >%-6s: %s",
15671 SubtractTimeMarks(&now, &programStartTime),
15672 cps->which, message);
15674 fprintf(serverFP, "%ld >%-6s: %s",
15675 SubtractTimeMarks(&now, &programStartTime),
15676 cps->which, message), fflush(serverFP);
15679 count = strlen(message);
15680 outCount = OutputToProcess(cps->pr, message, count, &error);
15681 if (outCount < count && !exiting
15682 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15683 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15684 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15685 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15686 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15687 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15688 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15689 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15691 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15692 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15693 gameInfo.result = res;
15695 gameInfo.resultDetails = StrSave(buf);
15697 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15698 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15703 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15707 ChessProgramState *cps = (ChessProgramState *)closure;
15709 if (isr != cps->isr) return; /* Killed intentionally */
15712 RemoveInputSource(cps->isr);
15713 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15714 _(cps->which), cps->program);
15715 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15716 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15717 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15718 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15719 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15720 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15722 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15723 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15724 gameInfo.result = res;
15726 gameInfo.resultDetails = StrSave(buf);
15728 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15729 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15731 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15732 _(cps->which), cps->program);
15733 RemoveInputSource(cps->isr);
15735 /* [AS] Program is misbehaving badly... kill it */
15736 if( count == -2 ) {
15737 DestroyChildProcess( cps->pr, 9 );
15741 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15746 if ((end_str = strchr(message, '\r')) != NULL)
15747 *end_str = NULLCHAR;
15748 if ((end_str = strchr(message, '\n')) != NULL)
15749 *end_str = NULLCHAR;
15751 if (appData.debugMode) {
15752 TimeMark now; int print = 1;
15753 char *quote = ""; char c; int i;
15755 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15756 char start = message[0];
15757 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15758 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15759 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15760 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15761 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15762 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15763 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15764 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15765 sscanf(message, "hint: %c", &c)!=1 &&
15766 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15767 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15768 print = (appData.engineComments >= 2);
15770 message[0] = start; // restore original message
15774 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15775 SubtractTimeMarks(&now, &programStartTime), cps->which,
15779 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15780 SubtractTimeMarks(&now, &programStartTime), cps->which,
15782 message), fflush(serverFP);
15786 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15787 if (appData.icsEngineAnalyze) {
15788 if (strstr(message, "whisper") != NULL ||
15789 strstr(message, "kibitz") != NULL ||
15790 strstr(message, "tellics") != NULL) return;
15793 HandleMachineMove(message, cps);
15798 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15803 if( timeControl_2 > 0 ) {
15804 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15805 tc = timeControl_2;
15808 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15809 inc /= cps->timeOdds;
15810 st /= cps->timeOdds;
15812 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15815 /* Set exact time per move, normally using st command */
15816 if (cps->stKludge) {
15817 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15819 if (seconds == 0) {
15820 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15822 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15825 snprintf(buf, MSG_SIZ, "st %d\n", st);
15828 /* Set conventional or incremental time control, using level command */
15829 if (seconds == 0) {
15830 /* Note old gnuchess bug -- minutes:seconds used to not work.
15831 Fixed in later versions, but still avoid :seconds
15832 when seconds is 0. */
15833 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15835 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15836 seconds, inc/1000.);
15839 SendToProgram(buf, cps);
15841 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15842 /* Orthogonally, limit search to given depth */
15844 if (cps->sdKludge) {
15845 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15847 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15849 SendToProgram(buf, cps);
15852 if(cps->nps >= 0) { /* [HGM] nps */
15853 if(cps->supportsNPS == FALSE)
15854 cps->nps = -1; // don't use if engine explicitly says not supported!
15856 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15857 SendToProgram(buf, cps);
15862 ChessProgramState *
15864 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15866 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15867 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15873 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15875 char message[MSG_SIZ];
15878 /* Note: this routine must be called when the clocks are stopped
15879 or when they have *just* been set or switched; otherwise
15880 it will be off by the time since the current tick started.
15882 if (machineWhite) {
15883 time = whiteTimeRemaining / 10;
15884 otime = blackTimeRemaining / 10;
15886 time = blackTimeRemaining / 10;
15887 otime = whiteTimeRemaining / 10;
15889 /* [HGM] translate opponent's time by time-odds factor */
15890 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15892 if (time <= 0) time = 1;
15893 if (otime <= 0) otime = 1;
15895 snprintf(message, MSG_SIZ, "time %ld\n", time);
15896 SendToProgram(message, cps);
15898 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15899 SendToProgram(message, cps);
15903 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15906 int len = strlen(name);
15909 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15911 sscanf(*p, "%d", &val);
15913 while (**p && **p != ' ')
15915 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15916 SendToProgram(buf, cps);
15923 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15926 int len = strlen(name);
15927 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15929 sscanf(*p, "%d", loc);
15930 while (**p && **p != ' ') (*p)++;
15931 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15932 SendToProgram(buf, cps);
15939 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15942 int len = strlen(name);
15943 if (strncmp((*p), name, len) == 0
15944 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15946 sscanf(*p, "%[^\"]", loc);
15947 while (**p && **p != '\"') (*p)++;
15948 if (**p == '\"') (*p)++;
15949 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15950 SendToProgram(buf, cps);
15957 ParseOption (Option *opt, ChessProgramState *cps)
15958 // [HGM] options: process the string that defines an engine option, and determine
15959 // name, type, default value, and allowed value range
15961 char *p, *q, buf[MSG_SIZ];
15962 int n, min = (-1)<<31, max = 1<<31, def;
15964 if(p = strstr(opt->name, " -spin ")) {
15965 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15966 if(max < min) max = min; // enforce consistency
15967 if(def < min) def = min;
15968 if(def > max) def = max;
15973 } else if((p = strstr(opt->name, " -slider "))) {
15974 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15975 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15976 if(max < min) max = min; // enforce consistency
15977 if(def < min) def = min;
15978 if(def > max) def = max;
15982 opt->type = Spin; // Slider;
15983 } else if((p = strstr(opt->name, " -string "))) {
15984 opt->textValue = p+9;
15985 opt->type = TextBox;
15986 } else if((p = strstr(opt->name, " -file "))) {
15987 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15988 opt->textValue = p+7;
15989 opt->type = FileName; // FileName;
15990 } else if((p = strstr(opt->name, " -path "))) {
15991 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15992 opt->textValue = p+7;
15993 opt->type = PathName; // PathName;
15994 } else if(p = strstr(opt->name, " -check ")) {
15995 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15996 opt->value = (def != 0);
15997 opt->type = CheckBox;
15998 } else if(p = strstr(opt->name, " -combo ")) {
15999 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16000 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16001 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16002 opt->value = n = 0;
16003 while(q = StrStr(q, " /// ")) {
16004 n++; *q = 0; // count choices, and null-terminate each of them
16006 if(*q == '*') { // remember default, which is marked with * prefix
16010 cps->comboList[cps->comboCnt++] = q;
16012 cps->comboList[cps->comboCnt++] = NULL;
16014 opt->type = ComboBox;
16015 } else if(p = strstr(opt->name, " -button")) {
16016 opt->type = Button;
16017 } else if(p = strstr(opt->name, " -save")) {
16018 opt->type = SaveButton;
16019 } else return FALSE;
16020 *p = 0; // terminate option name
16021 // now look if the command-line options define a setting for this engine option.
16022 if(cps->optionSettings && cps->optionSettings[0])
16023 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16024 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16025 snprintf(buf, MSG_SIZ, "option %s", p);
16026 if(p = strstr(buf, ",")) *p = 0;
16027 if(q = strchr(buf, '=')) switch(opt->type) {
16029 for(n=0; n<opt->max; n++)
16030 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16033 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16037 opt->value = atoi(q+1);
16042 SendToProgram(buf, cps);
16048 FeatureDone (ChessProgramState *cps, int val)
16050 DelayedEventCallback cb = GetDelayedEvent();
16051 if ((cb == InitBackEnd3 && cps == &first) ||
16052 (cb == SettingsMenuIfReady && cps == &second) ||
16053 (cb == LoadEngine) ||
16054 (cb == TwoMachinesEventIfReady)) {
16055 CancelDelayedEvent();
16056 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16058 cps->initDone = val;
16059 if(val) cps->reload = FALSE;
16062 /* Parse feature command from engine */
16064 ParseFeatures (char *args, ChessProgramState *cps)
16072 while (*p == ' ') p++;
16073 if (*p == NULLCHAR) return;
16075 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16076 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16077 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16078 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16079 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16080 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16081 if (BoolFeature(&p, "reuse", &val, cps)) {
16082 /* Engine can disable reuse, but can't enable it if user said no */
16083 if (!val) cps->reuse = FALSE;
16086 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16087 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16088 if (gameMode == TwoMachinesPlay) {
16089 DisplayTwoMachinesTitle();
16095 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16096 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16097 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16098 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16099 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16100 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16101 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16102 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16103 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16104 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16105 if (IntFeature(&p, "done", &val, cps)) {
16106 FeatureDone(cps, val);
16109 /* Added by Tord: */
16110 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16111 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16112 /* End of additions by Tord */
16114 /* [HGM] added features: */
16115 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16116 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16117 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16118 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16119 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16120 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16121 if (StringFeature(&p, "option", buf, cps)) {
16122 if(cps->reload) continue; // we are reloading because of xreuse
16123 FREE(cps->option[cps->nrOptions].name);
16124 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16125 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16126 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16127 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16128 SendToProgram(buf, cps);
16131 if(cps->nrOptions >= MAX_OPTIONS) {
16133 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16134 DisplayError(buf, 0);
16138 /* End of additions by HGM */
16140 /* unknown feature: complain and skip */
16142 while (*q && *q != '=') q++;
16143 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16144 SendToProgram(buf, cps);
16150 while (*p && *p != '\"') p++;
16151 if (*p == '\"') p++;
16153 while (*p && *p != ' ') p++;
16161 PeriodicUpdatesEvent (int newState)
16163 if (newState == appData.periodicUpdates)
16166 appData.periodicUpdates=newState;
16168 /* Display type changes, so update it now */
16169 // DisplayAnalysis();
16171 /* Get the ball rolling again... */
16173 AnalysisPeriodicEvent(1);
16174 StartAnalysisClock();
16179 PonderNextMoveEvent (int newState)
16181 if (newState == appData.ponderNextMove) return;
16182 if (gameMode == EditPosition) EditPositionDone(TRUE);
16184 SendToProgram("hard\n", &first);
16185 if (gameMode == TwoMachinesPlay) {
16186 SendToProgram("hard\n", &second);
16189 SendToProgram("easy\n", &first);
16190 thinkOutput[0] = NULLCHAR;
16191 if (gameMode == TwoMachinesPlay) {
16192 SendToProgram("easy\n", &second);
16195 appData.ponderNextMove = newState;
16199 NewSettingEvent (int option, int *feature, char *command, int value)
16203 if (gameMode == EditPosition) EditPositionDone(TRUE);
16204 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16205 if(feature == NULL || *feature) SendToProgram(buf, &first);
16206 if (gameMode == TwoMachinesPlay) {
16207 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16212 ShowThinkingEvent ()
16213 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16215 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16216 int newState = appData.showThinking
16217 // [HGM] thinking: other features now need thinking output as well
16218 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16220 if (oldState == newState) return;
16221 oldState = newState;
16222 if (gameMode == EditPosition) EditPositionDone(TRUE);
16224 SendToProgram("post\n", &first);
16225 if (gameMode == TwoMachinesPlay) {
16226 SendToProgram("post\n", &second);
16229 SendToProgram("nopost\n", &first);
16230 thinkOutput[0] = NULLCHAR;
16231 if (gameMode == TwoMachinesPlay) {
16232 SendToProgram("nopost\n", &second);
16235 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16239 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16241 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16242 if (pr == NoProc) return;
16243 AskQuestion(title, question, replyPrefix, pr);
16247 TypeInEvent (char firstChar)
16249 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16250 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16251 gameMode == AnalyzeMode || gameMode == EditGame ||
16252 gameMode == EditPosition || gameMode == IcsExamining ||
16253 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16254 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16255 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16256 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16257 gameMode == Training) PopUpMoveDialog(firstChar);
16261 TypeInDoneEvent (char *move)
16264 int n, fromX, fromY, toX, toY;
16266 ChessMove moveType;
16269 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16270 EditPositionPasteFEN(move);
16273 // [HGM] movenum: allow move number to be typed in any mode
16274 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16278 // undocumented kludge: allow command-line option to be typed in!
16279 // (potentially fatal, and does not implement the effect of the option.)
16280 // should only be used for options that are values on which future decisions will be made,
16281 // and definitely not on options that would be used during initialization.
16282 if(strstr(move, "!!! -") == move) {
16283 ParseArgsFromString(move+4);
16287 if (gameMode != EditGame && currentMove != forwardMostMove &&
16288 gameMode != Training) {
16289 DisplayMoveError(_("Displayed move is not current"));
16291 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16292 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16293 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16294 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16295 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16296 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16298 DisplayMoveError(_("Could not parse move"));
16304 DisplayMove (int moveNumber)
16306 char message[MSG_SIZ];
16308 char cpThinkOutput[MSG_SIZ];
16310 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16312 if (moveNumber == forwardMostMove - 1 ||
16313 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16315 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16317 if (strchr(cpThinkOutput, '\n')) {
16318 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16321 *cpThinkOutput = NULLCHAR;
16324 /* [AS] Hide thinking from human user */
16325 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16326 *cpThinkOutput = NULLCHAR;
16327 if( thinkOutput[0] != NULLCHAR ) {
16330 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16331 cpThinkOutput[i] = '.';
16333 cpThinkOutput[i] = NULLCHAR;
16334 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16338 if (moveNumber == forwardMostMove - 1 &&
16339 gameInfo.resultDetails != NULL) {
16340 if (gameInfo.resultDetails[0] == NULLCHAR) {
16341 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16343 snprintf(res, MSG_SIZ, " {%s} %s",
16344 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16350 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16351 DisplayMessage(res, cpThinkOutput);
16353 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16354 WhiteOnMove(moveNumber) ? " " : ".. ",
16355 parseList[moveNumber], res);
16356 DisplayMessage(message, cpThinkOutput);
16361 DisplayComment (int moveNumber, char *text)
16363 char title[MSG_SIZ];
16365 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16366 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16368 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16369 WhiteOnMove(moveNumber) ? " " : ".. ",
16370 parseList[moveNumber]);
16372 if (text != NULL && (appData.autoDisplayComment || commentUp))
16373 CommentPopUp(title, text);
16376 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16377 * might be busy thinking or pondering. It can be omitted if your
16378 * gnuchess is configured to stop thinking immediately on any user
16379 * input. However, that gnuchess feature depends on the FIONREAD
16380 * ioctl, which does not work properly on some flavors of Unix.
16383 Attention (ChessProgramState *cps)
16386 if (!cps->useSigint) return;
16387 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16388 switch (gameMode) {
16389 case MachinePlaysWhite:
16390 case MachinePlaysBlack:
16391 case TwoMachinesPlay:
16392 case IcsPlayingWhite:
16393 case IcsPlayingBlack:
16396 /* Skip if we know it isn't thinking */
16397 if (!cps->maybeThinking) return;
16398 if (appData.debugMode)
16399 fprintf(debugFP, "Interrupting %s\n", cps->which);
16400 InterruptChildProcess(cps->pr);
16401 cps->maybeThinking = FALSE;
16406 #endif /*ATTENTION*/
16412 if (whiteTimeRemaining <= 0) {
16415 if (appData.icsActive) {
16416 if (appData.autoCallFlag &&
16417 gameMode == IcsPlayingBlack && !blackFlag) {
16418 SendToICS(ics_prefix);
16419 SendToICS("flag\n");
16423 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16425 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16426 if (appData.autoCallFlag) {
16427 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16434 if (blackTimeRemaining <= 0) {
16437 if (appData.icsActive) {
16438 if (appData.autoCallFlag &&
16439 gameMode == IcsPlayingWhite && !whiteFlag) {
16440 SendToICS(ics_prefix);
16441 SendToICS("flag\n");
16445 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16447 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16448 if (appData.autoCallFlag) {
16449 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16460 CheckTimeControl ()
16462 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16463 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16466 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16468 if ( !WhiteOnMove(forwardMostMove) ) {
16469 /* White made time control */
16470 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16471 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16472 /* [HGM] time odds: correct new time quota for time odds! */
16473 / WhitePlayer()->timeOdds;
16474 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16476 lastBlack -= blackTimeRemaining;
16477 /* Black made time control */
16478 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16479 / WhitePlayer()->other->timeOdds;
16480 lastWhite = whiteTimeRemaining;
16485 DisplayBothClocks ()
16487 int wom = gameMode == EditPosition ?
16488 !blackPlaysFirst : WhiteOnMove(currentMove);
16489 DisplayWhiteClock(whiteTimeRemaining, wom);
16490 DisplayBlackClock(blackTimeRemaining, !wom);
16494 /* Timekeeping seems to be a portability nightmare. I think everyone
16495 has ftime(), but I'm really not sure, so I'm including some ifdefs
16496 to use other calls if you don't. Clocks will be less accurate if
16497 you have neither ftime nor gettimeofday.
16500 /* VS 2008 requires the #include outside of the function */
16501 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16502 #include <sys/timeb.h>
16505 /* Get the current time as a TimeMark */
16507 GetTimeMark (TimeMark *tm)
16509 #if HAVE_GETTIMEOFDAY
16511 struct timeval timeVal;
16512 struct timezone timeZone;
16514 gettimeofday(&timeVal, &timeZone);
16515 tm->sec = (long) timeVal.tv_sec;
16516 tm->ms = (int) (timeVal.tv_usec / 1000L);
16518 #else /*!HAVE_GETTIMEOFDAY*/
16521 // include <sys/timeb.h> / moved to just above start of function
16522 struct timeb timeB;
16525 tm->sec = (long) timeB.time;
16526 tm->ms = (int) timeB.millitm;
16528 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16529 tm->sec = (long) time(NULL);
16535 /* Return the difference in milliseconds between two
16536 time marks. We assume the difference will fit in a long!
16539 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16541 return 1000L*(tm2->sec - tm1->sec) +
16542 (long) (tm2->ms - tm1->ms);
16547 * Code to manage the game clocks.
16549 * In tournament play, black starts the clock and then white makes a move.
16550 * We give the human user a slight advantage if he is playing white---the
16551 * clocks don't run until he makes his first move, so it takes zero time.
16552 * Also, we don't account for network lag, so we could get out of sync
16553 * with GNU Chess's clock -- but then, referees are always right.
16556 static TimeMark tickStartTM;
16557 static long intendedTickLength;
16560 NextTickLength (long timeRemaining)
16562 long nominalTickLength, nextTickLength;
16564 if (timeRemaining > 0L && timeRemaining <= 10000L)
16565 nominalTickLength = 100L;
16567 nominalTickLength = 1000L;
16568 nextTickLength = timeRemaining % nominalTickLength;
16569 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16571 return nextTickLength;
16574 /* Adjust clock one minute up or down */
16576 AdjustClock (Boolean which, int dir)
16578 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16579 if(which) blackTimeRemaining += 60000*dir;
16580 else whiteTimeRemaining += 60000*dir;
16581 DisplayBothClocks();
16582 adjustedClock = TRUE;
16585 /* Stop clocks and reset to a fresh time control */
16589 (void) StopClockTimer();
16590 if (appData.icsActive) {
16591 whiteTimeRemaining = blackTimeRemaining = 0;
16592 } else if (searchTime) {
16593 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16594 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16595 } else { /* [HGM] correct new time quote for time odds */
16596 whiteTC = blackTC = fullTimeControlString;
16597 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16598 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16600 if (whiteFlag || blackFlag) {
16602 whiteFlag = blackFlag = FALSE;
16604 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16605 DisplayBothClocks();
16606 adjustedClock = FALSE;
16609 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16611 /* Decrement running clock by amount of time that has passed */
16615 long timeRemaining;
16616 long lastTickLength, fudge;
16619 if (!appData.clockMode) return;
16620 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16624 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16626 /* Fudge if we woke up a little too soon */
16627 fudge = intendedTickLength - lastTickLength;
16628 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16630 if (WhiteOnMove(forwardMostMove)) {
16631 if(whiteNPS >= 0) lastTickLength = 0;
16632 timeRemaining = whiteTimeRemaining -= lastTickLength;
16633 if(timeRemaining < 0 && !appData.icsActive) {
16634 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16635 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16636 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16637 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16640 DisplayWhiteClock(whiteTimeRemaining - fudge,
16641 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16643 if(blackNPS >= 0) lastTickLength = 0;
16644 timeRemaining = blackTimeRemaining -= lastTickLength;
16645 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16646 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16648 blackStartMove = forwardMostMove;
16649 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16652 DisplayBlackClock(blackTimeRemaining - fudge,
16653 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16655 if (CheckFlags()) return;
16657 if(twoBoards) { // count down secondary board's clocks as well
16658 activePartnerTime -= lastTickLength;
16660 if(activePartner == 'W')
16661 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16663 DisplayBlackClock(activePartnerTime, TRUE);
16668 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16669 StartClockTimer(intendedTickLength);
16671 /* if the time remaining has fallen below the alarm threshold, sound the
16672 * alarm. if the alarm has sounded and (due to a takeback or time control
16673 * with increment) the time remaining has increased to a level above the
16674 * threshold, reset the alarm so it can sound again.
16677 if (appData.icsActive && appData.icsAlarm) {
16679 /* make sure we are dealing with the user's clock */
16680 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16681 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16684 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16685 alarmSounded = FALSE;
16686 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16688 alarmSounded = TRUE;
16694 /* A player has just moved, so stop the previously running
16695 clock and (if in clock mode) start the other one.
16696 We redisplay both clocks in case we're in ICS mode, because
16697 ICS gives us an update to both clocks after every move.
16698 Note that this routine is called *after* forwardMostMove
16699 is updated, so the last fractional tick must be subtracted
16700 from the color that is *not* on move now.
16703 SwitchClocks (int newMoveNr)
16705 long lastTickLength;
16707 int flagged = FALSE;
16711 if (StopClockTimer() && appData.clockMode) {
16712 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16713 if (!WhiteOnMove(forwardMostMove)) {
16714 if(blackNPS >= 0) lastTickLength = 0;
16715 blackTimeRemaining -= lastTickLength;
16716 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16717 // if(pvInfoList[forwardMostMove].time == -1)
16718 pvInfoList[forwardMostMove].time = // use GUI time
16719 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16721 if(whiteNPS >= 0) lastTickLength = 0;
16722 whiteTimeRemaining -= lastTickLength;
16723 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16724 // if(pvInfoList[forwardMostMove].time == -1)
16725 pvInfoList[forwardMostMove].time =
16726 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16728 flagged = CheckFlags();
16730 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16731 CheckTimeControl();
16733 if (flagged || !appData.clockMode) return;
16735 switch (gameMode) {
16736 case MachinePlaysBlack:
16737 case MachinePlaysWhite:
16738 case BeginningOfGame:
16739 if (pausing) return;
16743 case PlayFromGameFile:
16751 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16752 if(WhiteOnMove(forwardMostMove))
16753 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16754 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16758 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16759 whiteTimeRemaining : blackTimeRemaining);
16760 StartClockTimer(intendedTickLength);
16764 /* Stop both clocks */
16768 long lastTickLength;
16771 if (!StopClockTimer()) return;
16772 if (!appData.clockMode) return;
16776 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16777 if (WhiteOnMove(forwardMostMove)) {
16778 if(whiteNPS >= 0) lastTickLength = 0;
16779 whiteTimeRemaining -= lastTickLength;
16780 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16782 if(blackNPS >= 0) lastTickLength = 0;
16783 blackTimeRemaining -= lastTickLength;
16784 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16789 /* Start clock of player on move. Time may have been reset, so
16790 if clock is already running, stop and restart it. */
16794 (void) StopClockTimer(); /* in case it was running already */
16795 DisplayBothClocks();
16796 if (CheckFlags()) return;
16798 if (!appData.clockMode) return;
16799 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16801 GetTimeMark(&tickStartTM);
16802 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16803 whiteTimeRemaining : blackTimeRemaining);
16805 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16806 whiteNPS = blackNPS = -1;
16807 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16808 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16809 whiteNPS = first.nps;
16810 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16811 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16812 blackNPS = first.nps;
16813 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16814 whiteNPS = second.nps;
16815 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16816 blackNPS = second.nps;
16817 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16819 StartClockTimer(intendedTickLength);
16823 TimeString (long ms)
16825 long second, minute, hour, day;
16827 static char buf[32];
16829 if (ms > 0 && ms <= 9900) {
16830 /* convert milliseconds to tenths, rounding up */
16831 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16833 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16837 /* convert milliseconds to seconds, rounding up */
16838 /* use floating point to avoid strangeness of integer division
16839 with negative dividends on many machines */
16840 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16847 day = second / (60 * 60 * 24);
16848 second = second % (60 * 60 * 24);
16849 hour = second / (60 * 60);
16850 second = second % (60 * 60);
16851 minute = second / 60;
16852 second = second % 60;
16855 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16856 sign, day, hour, minute, second);
16858 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16860 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16867 * This is necessary because some C libraries aren't ANSI C compliant yet.
16870 StrStr (char *string, char *match)
16874 length = strlen(match);
16876 for (i = strlen(string) - length; i >= 0; i--, string++)
16877 if (!strncmp(match, string, length))
16884 StrCaseStr (char *string, char *match)
16888 length = strlen(match);
16890 for (i = strlen(string) - length; i >= 0; i--, string++) {
16891 for (j = 0; j < length; j++) {
16892 if (ToLower(match[j]) != ToLower(string[j]))
16895 if (j == length) return string;
16903 StrCaseCmp (char *s1, char *s2)
16908 c1 = ToLower(*s1++);
16909 c2 = ToLower(*s2++);
16910 if (c1 > c2) return 1;
16911 if (c1 < c2) return -1;
16912 if (c1 == NULLCHAR) return 0;
16920 return isupper(c) ? tolower(c) : c;
16927 return islower(c) ? toupper(c) : c;
16929 #endif /* !_amigados */
16936 if ((ret = (char *) malloc(strlen(s) + 1)))
16938 safeStrCpy(ret, s, strlen(s)+1);
16944 StrSavePtr (char *s, char **savePtr)
16949 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16950 safeStrCpy(*savePtr, s, strlen(s)+1);
16962 clock = time((time_t *)NULL);
16963 tm = localtime(&clock);
16964 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16965 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16966 return StrSave(buf);
16971 PositionToFEN (int move, char *overrideCastling)
16973 int i, j, fromX, fromY, toX, toY;
16980 whiteToPlay = (gameMode == EditPosition) ?
16981 !blackPlaysFirst : (move % 2 == 0);
16984 /* Piece placement data */
16985 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16986 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16988 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16989 if (boards[move][i][j] == EmptySquare) {
16991 } else { ChessSquare piece = boards[move][i][j];
16992 if (emptycount > 0) {
16993 if(emptycount<10) /* [HGM] can be >= 10 */
16994 *p++ = '0' + emptycount;
16995 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16998 if(PieceToChar(piece) == '+') {
16999 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17001 piece = (ChessSquare)(DEMOTED piece);
17003 *p++ = PieceToChar(piece);
17005 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17006 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17011 if (emptycount > 0) {
17012 if(emptycount<10) /* [HGM] can be >= 10 */
17013 *p++ = '0' + emptycount;
17014 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17021 /* [HGM] print Crazyhouse or Shogi holdings */
17022 if( gameInfo.holdingsWidth ) {
17023 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17025 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17026 piece = boards[move][i][BOARD_WIDTH-1];
17027 if( piece != EmptySquare )
17028 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17029 *p++ = PieceToChar(piece);
17031 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17032 piece = boards[move][BOARD_HEIGHT-i-1][0];
17033 if( piece != EmptySquare )
17034 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17035 *p++ = PieceToChar(piece);
17038 if( q == p ) *p++ = '-';
17044 *p++ = whiteToPlay ? 'w' : 'b';
17047 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17048 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17050 if(nrCastlingRights) {
17052 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17053 /* [HGM] write directly from rights */
17054 if(boards[move][CASTLING][2] != NoRights &&
17055 boards[move][CASTLING][0] != NoRights )
17056 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17057 if(boards[move][CASTLING][2] != NoRights &&
17058 boards[move][CASTLING][1] != NoRights )
17059 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17060 if(boards[move][CASTLING][5] != NoRights &&
17061 boards[move][CASTLING][3] != NoRights )
17062 *p++ = boards[move][CASTLING][3] + AAA;
17063 if(boards[move][CASTLING][5] != NoRights &&
17064 boards[move][CASTLING][4] != NoRights )
17065 *p++ = boards[move][CASTLING][4] + AAA;
17068 /* [HGM] write true castling rights */
17069 if( nrCastlingRights == 6 ) {
17071 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17072 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17073 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17074 boards[move][CASTLING][2] != NoRights );
17075 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17076 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17077 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17078 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17079 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17083 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17084 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17085 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17086 boards[move][CASTLING][5] != NoRights );
17087 if(gameInfo.variant == VariantSChess) {
17088 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17089 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17090 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17091 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17096 if (q == p) *p++ = '-'; /* No castling rights */
17100 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17101 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17102 /* En passant target square */
17103 if (move > backwardMostMove) {
17104 fromX = moveList[move - 1][0] - AAA;
17105 fromY = moveList[move - 1][1] - ONE;
17106 toX = moveList[move - 1][2] - AAA;
17107 toY = moveList[move - 1][3] - ONE;
17108 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17109 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17110 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17112 /* 2-square pawn move just happened */
17114 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17118 } else if(move == backwardMostMove) {
17119 // [HGM] perhaps we should always do it like this, and forget the above?
17120 if((signed char)boards[move][EP_STATUS] >= 0) {
17121 *p++ = boards[move][EP_STATUS] + AAA;
17122 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17133 /* [HGM] find reversible plies */
17134 { int i = 0, j=move;
17136 if (appData.debugMode) { int k;
17137 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17138 for(k=backwardMostMove; k<=forwardMostMove; k++)
17139 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17143 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17144 if( j == backwardMostMove ) i += initialRulePlies;
17145 sprintf(p, "%d ", i);
17146 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17148 /* Fullmove number */
17149 sprintf(p, "%d", (move / 2) + 1);
17151 return StrSave(buf);
17155 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17159 int emptycount, virgin[BOARD_FILES];
17164 /* [HGM] by default clear Crazyhouse holdings, if present */
17165 if(gameInfo.holdingsWidth) {
17166 for(i=0; i<BOARD_HEIGHT; i++) {
17167 board[i][0] = EmptySquare; /* black holdings */
17168 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17169 board[i][1] = (ChessSquare) 0; /* black counts */
17170 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17174 /* Piece placement data */
17175 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17178 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17179 if (*p == '/') p++;
17180 emptycount = gameInfo.boardWidth - j;
17181 while (emptycount--)
17182 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17184 #if(BOARD_FILES >= 10)
17185 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17186 p++; emptycount=10;
17187 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17188 while (emptycount--)
17189 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17191 } else if (isdigit(*p)) {
17192 emptycount = *p++ - '0';
17193 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17194 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17195 while (emptycount--)
17196 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17197 } else if (*p == '+' || isalpha(*p)) {
17198 if (j >= gameInfo.boardWidth) return FALSE;
17200 piece = CharToPiece(*++p);
17201 if(piece == EmptySquare) return FALSE; /* unknown piece */
17202 piece = (ChessSquare) (PROMOTED piece ); p++;
17203 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17204 } else piece = CharToPiece(*p++);
17206 if(piece==EmptySquare) return FALSE; /* unknown piece */
17207 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17208 piece = (ChessSquare) (PROMOTED piece);
17209 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17212 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17218 while (*p == '/' || *p == ' ') p++;
17220 /* [HGM] look for Crazyhouse holdings here */
17221 while(*p==' ') p++;
17222 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17224 if(*p == '-' ) p++; /* empty holdings */ else {
17225 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17226 /* if we would allow FEN reading to set board size, we would */
17227 /* have to add holdings and shift the board read so far here */
17228 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17230 if((int) piece >= (int) BlackPawn ) {
17231 i = (int)piece - (int)BlackPawn;
17232 i = PieceToNumber((ChessSquare)i);
17233 if( i >= gameInfo.holdingsSize ) return FALSE;
17234 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17235 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17237 i = (int)piece - (int)WhitePawn;
17238 i = PieceToNumber((ChessSquare)i);
17239 if( i >= gameInfo.holdingsSize ) return FALSE;
17240 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17241 board[i][BOARD_WIDTH-2]++; /* black holdings */
17248 while(*p == ' ') p++;
17252 if(appData.colorNickNames) {
17253 if( c == appData.colorNickNames[0] ) c = 'w'; else
17254 if( c == appData.colorNickNames[1] ) c = 'b';
17258 *blackPlaysFirst = FALSE;
17261 *blackPlaysFirst = TRUE;
17267 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17268 /* return the extra info in global variiables */
17270 /* set defaults in case FEN is incomplete */
17271 board[EP_STATUS] = EP_UNKNOWN;
17272 for(i=0; i<nrCastlingRights; i++ ) {
17273 board[CASTLING][i] =
17274 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17275 } /* assume possible unless obviously impossible */
17276 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17277 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17278 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17279 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17280 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17281 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17282 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17283 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17286 while(*p==' ') p++;
17287 if(nrCastlingRights) {
17288 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17289 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17290 /* castling indicator present, so default becomes no castlings */
17291 for(i=0; i<nrCastlingRights; i++ ) {
17292 board[CASTLING][i] = NoRights;
17295 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17296 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17297 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17298 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17299 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17301 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17302 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17303 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17305 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17306 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17307 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17308 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17309 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17310 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17313 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17314 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17315 board[CASTLING][2] = whiteKingFile;
17316 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17317 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17320 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17321 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17322 board[CASTLING][2] = whiteKingFile;
17323 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17324 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17327 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17328 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17329 board[CASTLING][5] = blackKingFile;
17330 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17331 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17334 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17335 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17336 board[CASTLING][5] = blackKingFile;
17337 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17338 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17341 default: /* FRC castlings */
17342 if(c >= 'a') { /* black rights */
17343 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17344 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17345 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17346 if(i == BOARD_RGHT) break;
17347 board[CASTLING][5] = i;
17349 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17350 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17352 board[CASTLING][3] = c;
17354 board[CASTLING][4] = c;
17355 } else { /* white rights */
17356 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17357 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17358 if(board[0][i] == WhiteKing) break;
17359 if(i == BOARD_RGHT) break;
17360 board[CASTLING][2] = i;
17361 c -= AAA - 'a' + 'A';
17362 if(board[0][c] >= WhiteKing) break;
17364 board[CASTLING][0] = c;
17366 board[CASTLING][1] = c;
17370 for(i=0; i<nrCastlingRights; i++)
17371 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17372 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17373 if (appData.debugMode) {
17374 fprintf(debugFP, "FEN castling rights:");
17375 for(i=0; i<nrCastlingRights; i++)
17376 fprintf(debugFP, " %d", board[CASTLING][i]);
17377 fprintf(debugFP, "\n");
17380 while(*p==' ') p++;
17383 /* read e.p. field in games that know e.p. capture */
17384 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17385 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17387 p++; board[EP_STATUS] = EP_NONE;
17389 char c = *p++ - AAA;
17391 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17392 if(*p >= '0' && *p <='9') p++;
17393 board[EP_STATUS] = c;
17398 if(sscanf(p, "%d", &i) == 1) {
17399 FENrulePlies = i; /* 50-move ply counter */
17400 /* (The move number is still ignored) */
17407 EditPositionPasteFEN (char *fen)
17410 Board initial_position;
17412 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17413 DisplayError(_("Bad FEN position in clipboard"), 0);
17416 int savedBlackPlaysFirst = blackPlaysFirst;
17417 EditPositionEvent();
17418 blackPlaysFirst = savedBlackPlaysFirst;
17419 CopyBoard(boards[0], initial_position);
17420 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17421 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17422 DisplayBothClocks();
17423 DrawPosition(FALSE, boards[currentMove]);
17428 static char cseq[12] = "\\ ";
17431 set_cont_sequence (char *new_seq)
17436 // handle bad attempts to set the sequence
17438 return 0; // acceptable error - no debug
17440 len = strlen(new_seq);
17441 ret = (len > 0) && (len < sizeof(cseq));
17443 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17444 else if (appData.debugMode)
17445 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17450 reformat a source message so words don't cross the width boundary. internal
17451 newlines are not removed. returns the wrapped size (no null character unless
17452 included in source message). If dest is NULL, only calculate the size required
17453 for the dest buffer. lp argument indicats line position upon entry, and it's
17454 passed back upon exit.
17457 wrap (char *dest, char *src, int count, int width, int *lp)
17459 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17461 cseq_len = strlen(cseq);
17462 old_line = line = *lp;
17463 ansi = len = clen = 0;
17465 for (i=0; i < count; i++)
17467 if (src[i] == '\033')
17470 // if we hit the width, back up
17471 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17473 // store i & len in case the word is too long
17474 old_i = i, old_len = len;
17476 // find the end of the last word
17477 while (i && src[i] != ' ' && src[i] != '\n')
17483 // word too long? restore i & len before splitting it
17484 if ((old_i-i+clen) >= width)
17491 if (i && src[i-1] == ' ')
17494 if (src[i] != ' ' && src[i] != '\n')
17501 // now append the newline and continuation sequence
17506 strncpy(dest+len, cseq, cseq_len);
17514 dest[len] = src[i];
17518 if (src[i] == '\n')
17523 if (dest && appData.debugMode)
17525 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17526 count, width, line, len, *lp);
17527 show_bytes(debugFP, src, count);
17528 fprintf(debugFP, "\ndest: ");
17529 show_bytes(debugFP, dest, len);
17530 fprintf(debugFP, "\n");
17532 *lp = dest ? line : old_line;
17537 // [HGM] vari: routines for shelving variations
17538 Boolean modeRestore = FALSE;
17541 PushInner (int firstMove, int lastMove)
17543 int i, j, nrMoves = lastMove - firstMove;
17545 // push current tail of game on stack
17546 savedResult[storedGames] = gameInfo.result;
17547 savedDetails[storedGames] = gameInfo.resultDetails;
17548 gameInfo.resultDetails = NULL;
17549 savedFirst[storedGames] = firstMove;
17550 savedLast [storedGames] = lastMove;
17551 savedFramePtr[storedGames] = framePtr;
17552 framePtr -= nrMoves; // reserve space for the boards
17553 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17554 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17555 for(j=0; j<MOVE_LEN; j++)
17556 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17557 for(j=0; j<2*MOVE_LEN; j++)
17558 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17559 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17560 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17561 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17562 pvInfoList[firstMove+i-1].depth = 0;
17563 commentList[framePtr+i] = commentList[firstMove+i];
17564 commentList[firstMove+i] = NULL;
17568 forwardMostMove = firstMove; // truncate game so we can start variation
17572 PushTail (int firstMove, int lastMove)
17574 if(appData.icsActive) { // only in local mode
17575 forwardMostMove = currentMove; // mimic old ICS behavior
17578 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17580 PushInner(firstMove, lastMove);
17581 if(storedGames == 1) GreyRevert(FALSE);
17582 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17586 PopInner (Boolean annotate)
17589 char buf[8000], moveBuf[20];
17591 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17592 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17593 nrMoves = savedLast[storedGames] - currentMove;
17596 if(!WhiteOnMove(currentMove))
17597 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17598 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17599 for(i=currentMove; i<forwardMostMove; i++) {
17601 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17602 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17603 strcat(buf, moveBuf);
17604 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17605 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17609 for(i=1; i<=nrMoves; i++) { // copy last variation back
17610 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17611 for(j=0; j<MOVE_LEN; j++)
17612 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17613 for(j=0; j<2*MOVE_LEN; j++)
17614 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17615 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17616 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17617 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17618 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17619 commentList[currentMove+i] = commentList[framePtr+i];
17620 commentList[framePtr+i] = NULL;
17622 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17623 framePtr = savedFramePtr[storedGames];
17624 gameInfo.result = savedResult[storedGames];
17625 if(gameInfo.resultDetails != NULL) {
17626 free(gameInfo.resultDetails);
17628 gameInfo.resultDetails = savedDetails[storedGames];
17629 forwardMostMove = currentMove + nrMoves;
17633 PopTail (Boolean annotate)
17635 if(appData.icsActive) return FALSE; // only in local mode
17636 if(!storedGames) return FALSE; // sanity
17637 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17639 PopInner(annotate);
17640 if(currentMove < forwardMostMove) ForwardEvent(); else
17641 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17643 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17649 { // remove all shelved variations
17651 for(i=0; i<storedGames; i++) {
17652 if(savedDetails[i])
17653 free(savedDetails[i]);
17654 savedDetails[i] = NULL;
17656 for(i=framePtr; i<MAX_MOVES; i++) {
17657 if(commentList[i]) free(commentList[i]);
17658 commentList[i] = NULL;
17660 framePtr = MAX_MOVES-1;
17665 LoadVariation (int index, char *text)
17666 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17667 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17668 int level = 0, move;
17670 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17671 // first find outermost bracketing variation
17672 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17673 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17674 if(*p == '{') wait = '}'; else
17675 if(*p == '[') wait = ']'; else
17676 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17677 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17679 if(*p == wait) wait = NULLCHAR; // closing ]} found
17682 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17683 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17684 end[1] = NULLCHAR; // clip off comment beyond variation
17685 ToNrEvent(currentMove-1);
17686 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17687 // kludge: use ParsePV() to append variation to game
17688 move = currentMove;
17689 ParsePV(start, TRUE, TRUE);
17690 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17691 ClearPremoveHighlights();
17693 ToNrEvent(currentMove+1);
17699 char *p, *q, buf[MSG_SIZ];
17700 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17701 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17702 ParseArgsFromString(buf);
17703 ActivateTheme(TRUE); // also redo colors
17707 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17710 q = appData.themeNames;
17711 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17712 if(appData.useBitmaps) {
17713 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17714 appData.liteBackTextureFile, appData.darkBackTextureFile,
17715 appData.liteBackTextureMode,
17716 appData.darkBackTextureMode );
17718 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17719 Col2Text(2), // lightSquareColor
17720 Col2Text(3) ); // darkSquareColor
17722 if(appData.useBorder) {
17723 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17726 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17728 if(appData.useFont) {
17729 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17730 appData.renderPiecesWithFont,
17731 appData.fontToPieceTable,
17732 Col2Text(9), // appData.fontBackColorWhite
17733 Col2Text(10) ); // appData.fontForeColorBlack
17735 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17736 appData.pieceDirectory);
17737 if(!appData.pieceDirectory[0])
17738 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17739 Col2Text(0), // whitePieceColor
17740 Col2Text(1) ); // blackPieceColor
17742 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17743 Col2Text(4), // highlightSquareColor
17744 Col2Text(5) ); // premoveHighlightColor
17745 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17746 if(insert != q) insert[-1] = NULLCHAR;
17747 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17750 ActivateTheme(FALSE);