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, startingEngine = 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)
5495 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5498 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5500 int startPV, multi, lineStart, origIndex = index;
5501 char *p, buf2[MSG_SIZ];
5502 ChessProgramState *cps = (pane ? &second : &first);
5504 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5505 lastX = x; lastY = y;
5506 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5507 lineStart = startPV = index;
5508 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5509 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5511 do{ while(buf[index] && buf[index] != '\n') index++;
5512 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5514 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5515 int n = cps->option[multi].value;
5516 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5517 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5518 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5519 cps->option[multi].value = n;
5522 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5523 ExcludeClick(origIndex - lineStart);
5526 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5527 *start = startPV; *end = index-1;
5528 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5535 static char buf[10*MSG_SIZ];
5536 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5538 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5539 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5540 for(i = forwardMostMove; i<endPV; i++){
5541 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5542 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5545 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5546 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5547 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5553 LoadPV (int x, int y)
5554 { // called on right mouse click to load PV
5555 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5556 lastX = x; lastY = y;
5557 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5565 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5566 if(endPV < 0) return;
5567 if(appData.autoCopyPV) CopyFENToClipboard();
5569 if(extendGame && currentMove > forwardMostMove) {
5570 Boolean saveAnimate = appData.animate;
5572 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5573 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5574 } else storedGames--; // abandon shelved tail of original game
5577 forwardMostMove = currentMove;
5578 currentMove = oldFMM;
5579 appData.animate = FALSE;
5580 ToNrEvent(forwardMostMove);
5581 appData.animate = saveAnimate;
5583 currentMove = forwardMostMove;
5584 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5585 ClearPremoveHighlights();
5586 DrawPosition(TRUE, boards[currentMove]);
5590 MovePV (int x, int y, int h)
5591 { // step through PV based on mouse coordinates (called on mouse move)
5592 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5594 // we must somehow check if right button is still down (might be released off board!)
5595 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5596 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5597 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5599 lastX = x; lastY = y;
5601 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5602 if(endPV < 0) return;
5603 if(y < margin) step = 1; else
5604 if(y > h - margin) step = -1;
5605 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5606 currentMove += step;
5607 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5608 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5609 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5610 DrawPosition(FALSE, boards[currentMove]);
5614 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5615 // All positions will have equal probability, but the current method will not provide a unique
5616 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5622 int piecesLeft[(int)BlackPawn];
5623 int seed, nrOfShuffles;
5626 GetPositionNumber ()
5627 { // sets global variable seed
5630 seed = appData.defaultFrcPosition;
5631 if(seed < 0) { // randomize based on time for negative FRC position numbers
5632 for(i=0; i<50; i++) seed += random();
5633 seed = random() ^ random() >> 8 ^ random() << 8;
5634 if(seed<0) seed = -seed;
5639 put (Board board, int pieceType, int rank, int n, int shade)
5640 // put the piece on the (n-1)-th empty squares of the given shade
5644 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5645 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5646 board[rank][i] = (ChessSquare) pieceType;
5647 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5649 piecesLeft[pieceType]--;
5658 AddOnePiece (Board board, int pieceType, int rank, int shade)
5659 // calculate where the next piece goes, (any empty square), and put it there
5663 i = seed % squaresLeft[shade];
5664 nrOfShuffles *= squaresLeft[shade];
5665 seed /= squaresLeft[shade];
5666 put(board, pieceType, rank, i, shade);
5670 AddTwoPieces (Board board, int pieceType, int rank)
5671 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5673 int i, n=squaresLeft[ANY], j=n-1, k;
5675 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5676 i = seed % k; // pick one
5679 while(i >= j) i -= j--;
5680 j = n - 1 - j; i += j;
5681 put(board, pieceType, rank, j, ANY);
5682 put(board, pieceType, rank, i, ANY);
5686 SetUpShuffle (Board board, int number)
5690 GetPositionNumber(); nrOfShuffles = 1;
5692 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5693 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5694 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5696 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5698 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5699 p = (int) board[0][i];
5700 if(p < (int) BlackPawn) piecesLeft[p] ++;
5701 board[0][i] = EmptySquare;
5704 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5705 // shuffles restricted to allow normal castling put KRR first
5706 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5707 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5708 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5709 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5710 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5711 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5712 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5713 put(board, WhiteRook, 0, 0, ANY);
5714 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5717 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5718 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5719 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5720 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5721 while(piecesLeft[p] >= 2) {
5722 AddOnePiece(board, p, 0, LITE);
5723 AddOnePiece(board, p, 0, DARK);
5725 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5728 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5729 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5730 // but we leave King and Rooks for last, to possibly obey FRC restriction
5731 if(p == (int)WhiteRook) continue;
5732 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5733 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5736 // now everything is placed, except perhaps King (Unicorn) and Rooks
5738 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5739 // Last King gets castling rights
5740 while(piecesLeft[(int)WhiteUnicorn]) {
5741 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5742 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5745 while(piecesLeft[(int)WhiteKing]) {
5746 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5747 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5752 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5753 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5756 // Only Rooks can be left; simply place them all
5757 while(piecesLeft[(int)WhiteRook]) {
5758 i = put(board, WhiteRook, 0, 0, ANY);
5759 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5762 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5764 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5767 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5768 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5771 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5775 SetCharTable (char *table, const char * map)
5776 /* [HGM] moved here from winboard.c because of its general usefulness */
5777 /* Basically a safe strcpy that uses the last character as King */
5779 int result = FALSE; int NrPieces;
5781 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5782 && NrPieces >= 12 && !(NrPieces&1)) {
5783 int i; /* [HGM] Accept even length from 12 to 34 */
5785 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5786 for( i=0; i<NrPieces/2-1; i++ ) {
5788 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5790 table[(int) WhiteKing] = map[NrPieces/2-1];
5791 table[(int) BlackKing] = map[NrPieces-1];
5800 Prelude (Board board)
5801 { // [HGM] superchess: random selection of exo-pieces
5802 int i, j, k; ChessSquare p;
5803 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5805 GetPositionNumber(); // use FRC position number
5807 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5808 SetCharTable(pieceToChar, appData.pieceToCharTable);
5809 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5810 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5813 j = seed%4; seed /= 4;
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 >= j); seed /= 3;
5818 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = 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%3; seed /= 3;
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%2 + (seed%2 >= j); seed /= 2;
5826 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5827 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5828 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5829 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5830 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5831 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5832 put(board, exoPieces[0], 0, 0, ANY);
5833 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5837 InitPosition (int redraw)
5839 ChessSquare (* pieces)[BOARD_FILES];
5840 int i, j, pawnRow, overrule,
5841 oldx = gameInfo.boardWidth,
5842 oldy = gameInfo.boardHeight,
5843 oldh = gameInfo.holdingsWidth;
5846 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5848 /* [AS] Initialize pv info list [HGM] and game status */
5850 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5851 pvInfoList[i].depth = 0;
5852 boards[i][EP_STATUS] = EP_NONE;
5853 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5856 initialRulePlies = 0; /* 50-move counter start */
5858 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5859 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5863 /* [HGM] logic here is completely changed. In stead of full positions */
5864 /* the initialized data only consist of the two backranks. The switch */
5865 /* selects which one we will use, which is than copied to the Board */
5866 /* initialPosition, which for the rest is initialized by Pawns and */
5867 /* empty squares. This initial position is then copied to boards[0], */
5868 /* possibly after shuffling, so that it remains available. */
5870 gameInfo.holdingsWidth = 0; /* default board sizes */
5871 gameInfo.boardWidth = 8;
5872 gameInfo.boardHeight = 8;
5873 gameInfo.holdingsSize = 0;
5874 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5875 for(i=0; i<BOARD_FILES-2; i++)
5876 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5877 initialPosition[EP_STATUS] = EP_NONE;
5878 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5879 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5880 SetCharTable(pieceNickName, appData.pieceNickNames);
5881 else SetCharTable(pieceNickName, "............");
5884 switch (gameInfo.variant) {
5885 case VariantFischeRandom:
5886 shuffleOpenings = TRUE;
5889 case VariantShatranj:
5890 pieces = ShatranjArray;
5891 nrCastlingRights = 0;
5892 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5895 pieces = makrukArray;
5896 nrCastlingRights = 0;
5897 startedFromSetupPosition = TRUE;
5898 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5900 case VariantTwoKings:
5901 pieces = twoKingsArray;
5904 pieces = GrandArray;
5905 nrCastlingRights = 0;
5906 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5907 gameInfo.boardWidth = 10;
5908 gameInfo.boardHeight = 10;
5909 gameInfo.holdingsSize = 7;
5911 case VariantCapaRandom:
5912 shuffleOpenings = TRUE;
5913 case VariantCapablanca:
5914 pieces = CapablancaArray;
5915 gameInfo.boardWidth = 10;
5916 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5919 pieces = GothicArray;
5920 gameInfo.boardWidth = 10;
5921 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5924 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5925 gameInfo.holdingsSize = 7;
5926 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5929 pieces = JanusArray;
5930 gameInfo.boardWidth = 10;
5931 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5932 nrCastlingRights = 6;
5933 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5934 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5935 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5936 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5937 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5938 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5941 pieces = FalconArray;
5942 gameInfo.boardWidth = 10;
5943 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5945 case VariantXiangqi:
5946 pieces = XiangqiArray;
5947 gameInfo.boardWidth = 9;
5948 gameInfo.boardHeight = 10;
5949 nrCastlingRights = 0;
5950 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5953 pieces = ShogiArray;
5954 gameInfo.boardWidth = 9;
5955 gameInfo.boardHeight = 9;
5956 gameInfo.holdingsSize = 7;
5957 nrCastlingRights = 0;
5958 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5960 case VariantCourier:
5961 pieces = CourierArray;
5962 gameInfo.boardWidth = 12;
5963 nrCastlingRights = 0;
5964 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5966 case VariantKnightmate:
5967 pieces = KnightmateArray;
5968 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5970 case VariantSpartan:
5971 pieces = SpartanArray;
5972 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5975 pieces = fairyArray;
5976 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5979 pieces = GreatArray;
5980 gameInfo.boardWidth = 10;
5981 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5982 gameInfo.holdingsSize = 8;
5986 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5987 gameInfo.holdingsSize = 8;
5988 startedFromSetupPosition = TRUE;
5990 case VariantCrazyhouse:
5991 case VariantBughouse:
5993 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5994 gameInfo.holdingsSize = 5;
5996 case VariantWildCastle:
5998 /* !!?shuffle with kings guaranteed to be on d or e file */
5999 shuffleOpenings = 1;
6001 case VariantNoCastle:
6003 nrCastlingRights = 0;
6004 /* !!?unconstrained back-rank shuffle */
6005 shuffleOpenings = 1;
6010 if(appData.NrFiles >= 0) {
6011 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6012 gameInfo.boardWidth = appData.NrFiles;
6014 if(appData.NrRanks >= 0) {
6015 gameInfo.boardHeight = appData.NrRanks;
6017 if(appData.holdingsSize >= 0) {
6018 i = appData.holdingsSize;
6019 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6020 gameInfo.holdingsSize = i;
6022 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6023 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6024 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6026 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6027 if(pawnRow < 1) pawnRow = 1;
6028 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
6030 /* User pieceToChar list overrules defaults */
6031 if(appData.pieceToCharTable != NULL)
6032 SetCharTable(pieceToChar, appData.pieceToCharTable);
6034 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6036 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6037 s = (ChessSquare) 0; /* account holding counts in guard band */
6038 for( i=0; i<BOARD_HEIGHT; i++ )
6039 initialPosition[i][j] = s;
6041 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6042 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
6043 initialPosition[pawnRow][j] = WhitePawn;
6044 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6045 if(gameInfo.variant == VariantXiangqi) {
6047 initialPosition[pawnRow][j] =
6048 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6049 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6050 initialPosition[2][j] = WhiteCannon;
6051 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6055 if(gameInfo.variant == VariantGrand) {
6056 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6057 initialPosition[0][j] = WhiteRook;
6058 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6061 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6063 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6066 initialPosition[1][j] = WhiteBishop;
6067 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6069 initialPosition[1][j] = WhiteRook;
6070 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6073 if( nrCastlingRights == -1) {
6074 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6075 /* This sets default castling rights from none to normal corners */
6076 /* Variants with other castling rights must set them themselves above */
6077 nrCastlingRights = 6;
6079 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6080 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6081 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6082 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6083 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6084 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6087 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6088 if(gameInfo.variant == VariantGreat) { // promotion commoners
6089 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6090 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6091 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6092 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6094 if( gameInfo.variant == VariantSChess ) {
6095 initialPosition[1][0] = BlackMarshall;
6096 initialPosition[2][0] = BlackAngel;
6097 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6098 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6099 initialPosition[1][1] = initialPosition[2][1] =
6100 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6102 if (appData.debugMode) {
6103 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6105 if(shuffleOpenings) {
6106 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6107 startedFromSetupPosition = TRUE;
6109 if(startedFromPositionFile) {
6110 /* [HGM] loadPos: use PositionFile for every new game */
6111 CopyBoard(initialPosition, filePosition);
6112 for(i=0; i<nrCastlingRights; i++)
6113 initialRights[i] = filePosition[CASTLING][i];
6114 startedFromSetupPosition = TRUE;
6117 CopyBoard(boards[0], initialPosition);
6119 if(oldx != gameInfo.boardWidth ||
6120 oldy != gameInfo.boardHeight ||
6121 oldv != gameInfo.variant ||
6122 oldh != gameInfo.holdingsWidth
6124 InitDrawingSizes(-2 ,0);
6126 oldv = gameInfo.variant;
6128 DrawPosition(TRUE, boards[currentMove]);
6132 SendBoard (ChessProgramState *cps, int moveNum)
6134 char message[MSG_SIZ];
6136 if (cps->useSetboard) {
6137 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6138 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6139 SendToProgram(message, cps);
6144 int i, j, left=0, right=BOARD_WIDTH;
6145 /* Kludge to set black to move, avoiding the troublesome and now
6146 * deprecated "black" command.
6148 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6149 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6151 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6153 SendToProgram("edit\n", cps);
6154 SendToProgram("#\n", cps);
6155 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6156 bp = &boards[moveNum][i][left];
6157 for (j = left; j < right; j++, bp++) {
6158 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6159 if ((int) *bp < (int) BlackPawn) {
6160 if(j == BOARD_RGHT+1)
6161 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6162 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6163 if(message[0] == '+' || message[0] == '~') {
6164 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6165 PieceToChar((ChessSquare)(DEMOTED *bp)),
6168 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6169 message[1] = BOARD_RGHT - 1 - j + '1';
6170 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6172 SendToProgram(message, cps);
6177 SendToProgram("c\n", cps);
6178 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6179 bp = &boards[moveNum][i][left];
6180 for (j = left; j < right; j++, bp++) {
6181 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6182 if (((int) *bp != (int) EmptySquare)
6183 && ((int) *bp >= (int) BlackPawn)) {
6184 if(j == BOARD_LEFT-2)
6185 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6186 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6188 if(message[0] == '+' || message[0] == '~') {
6189 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6190 PieceToChar((ChessSquare)(DEMOTED *bp)),
6193 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6194 message[1] = BOARD_RGHT - 1 - j + '1';
6195 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6197 SendToProgram(message, cps);
6202 SendToProgram(".\n", cps);
6204 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6207 char exclusionHeader[MSG_SIZ];
6208 int exCnt, excludePtr;
6209 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6210 static Exclusion excluTab[200];
6211 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6217 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6218 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6224 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6225 excludePtr = 24; exCnt = 0;
6230 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6231 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6232 char buf[2*MOVE_LEN], *p;
6233 Exclusion *e = excluTab;
6235 for(i=0; i<exCnt; i++)
6236 if(e[i].ff == fromX && e[i].fr == fromY &&
6237 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6238 if(i == exCnt) { // was not in exclude list; add it
6239 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6240 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6241 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6244 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6245 excludePtr++; e[i].mark = excludePtr++;
6246 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6249 exclusionHeader[e[i].mark] = state;
6253 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6254 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6258 if((signed char)promoChar == -1) { // kludge to indicate best move
6259 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6260 return 1; // if unparsable, abort
6262 // update exclusion map (resolving toggle by consulting existing state)
6263 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6265 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6266 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6267 excludeMap[k] |= 1<<j;
6268 else excludeMap[k] &= ~(1<<j);
6270 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6272 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6273 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6275 return (state == '+');
6279 ExcludeClick (int index)
6282 Exclusion *e = excluTab;
6283 if(index < 25) { // none, best or tail clicked
6284 if(index < 13) { // none: include all
6285 WriteMap(0); // clear map
6286 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6287 SendToBoth("include all\n"); // and inform engine
6288 } else if(index > 18) { // tail
6289 if(exclusionHeader[19] == '-') { // tail was excluded
6290 SendToBoth("include all\n");
6291 WriteMap(0); // clear map completely
6292 // now re-exclude selected moves
6293 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6294 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6295 } else { // tail was included or in mixed state
6296 SendToBoth("exclude all\n");
6297 WriteMap(0xFF); // fill map completely
6298 // now re-include selected moves
6299 j = 0; // count them
6300 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6301 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6302 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6305 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6308 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6309 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6310 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6317 DefaultPromoChoice (int white)
6320 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6321 result = WhiteFerz; // no choice
6322 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6323 result= WhiteKing; // in Suicide Q is the last thing we want
6324 else if(gameInfo.variant == VariantSpartan)
6325 result = white ? WhiteQueen : WhiteAngel;
6326 else result = WhiteQueen;
6327 if(!white) result = WHITE_TO_BLACK result;
6331 static int autoQueen; // [HGM] oneclick
6334 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6336 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6337 /* [HGM] add Shogi promotions */
6338 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6343 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6344 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6346 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6347 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6350 piece = boards[currentMove][fromY][fromX];
6351 if(gameInfo.variant == VariantShogi) {
6352 promotionZoneSize = BOARD_HEIGHT/3;
6353 highestPromotingPiece = (int)WhiteFerz;
6354 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6355 promotionZoneSize = 3;
6358 // Treat Lance as Pawn when it is not representing Amazon
6359 if(gameInfo.variant != VariantSuper) {
6360 if(piece == WhiteLance) piece = WhitePawn; else
6361 if(piece == BlackLance) piece = BlackPawn;
6364 // next weed out all moves that do not touch the promotion zone at all
6365 if((int)piece >= BlackPawn) {
6366 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6368 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6370 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6371 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6374 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6376 // weed out mandatory Shogi promotions
6377 if(gameInfo.variant == VariantShogi) {
6378 if(piece >= BlackPawn) {
6379 if(toY == 0 && piece == BlackPawn ||
6380 toY == 0 && piece == BlackQueen ||
6381 toY <= 1 && piece == BlackKnight) {
6386 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6387 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6388 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6395 // weed out obviously illegal Pawn moves
6396 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6397 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6398 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6399 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6400 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6401 // note we are not allowed to test for valid (non-)capture, due to premove
6404 // we either have a choice what to promote to, or (in Shogi) whether to promote
6405 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6406 *promoChoice = PieceToChar(BlackFerz); // no choice
6409 // no sense asking what we must promote to if it is going to explode...
6410 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6411 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6414 // give caller the default choice even if we will not make it
6415 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6416 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6417 if( sweepSelect && gameInfo.variant != VariantGreat
6418 && gameInfo.variant != VariantGrand
6419 && gameInfo.variant != VariantSuper) return FALSE;
6420 if(autoQueen) return FALSE; // predetermined
6422 // suppress promotion popup on illegal moves that are not premoves
6423 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6424 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6425 if(appData.testLegality && !premove) {
6426 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6427 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6428 if(moveType != WhitePromotion && moveType != BlackPromotion)
6436 InPalace (int row, int column)
6437 { /* [HGM] for Xiangqi */
6438 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6439 column < (BOARD_WIDTH + 4)/2 &&
6440 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6445 PieceForSquare (int x, int y)
6447 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6450 return boards[currentMove][y][x];
6454 OKToStartUserMove (int x, int y)
6456 ChessSquare from_piece;
6459 if (matchMode) return FALSE;
6460 if (gameMode == EditPosition) return TRUE;
6462 if (x >= 0 && y >= 0)
6463 from_piece = boards[currentMove][y][x];
6465 from_piece = EmptySquare;
6467 if (from_piece == EmptySquare) return FALSE;
6469 white_piece = (int)from_piece >= (int)WhitePawn &&
6470 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6474 case TwoMachinesPlay:
6482 case MachinePlaysWhite:
6483 case IcsPlayingBlack:
6484 if (appData.zippyPlay) return FALSE;
6486 DisplayMoveError(_("You are playing Black"));
6491 case MachinePlaysBlack:
6492 case IcsPlayingWhite:
6493 if (appData.zippyPlay) return FALSE;
6495 DisplayMoveError(_("You are playing White"));
6500 case PlayFromGameFile:
6501 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6503 if (!white_piece && WhiteOnMove(currentMove)) {
6504 DisplayMoveError(_("It is White's turn"));
6507 if (white_piece && !WhiteOnMove(currentMove)) {
6508 DisplayMoveError(_("It is Black's turn"));
6511 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6512 /* Editing correspondence game history */
6513 /* Could disallow this or prompt for confirmation */
6518 case BeginningOfGame:
6519 if (appData.icsActive) return FALSE;
6520 if (!appData.noChessProgram) {
6522 DisplayMoveError(_("You are playing White"));
6529 if (!white_piece && WhiteOnMove(currentMove)) {
6530 DisplayMoveError(_("It is White's turn"));
6533 if (white_piece && !WhiteOnMove(currentMove)) {
6534 DisplayMoveError(_("It is Black's turn"));
6543 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6544 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6545 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6546 && gameMode != AnalyzeFile && gameMode != Training) {
6547 DisplayMoveError(_("Displayed position is not current"));
6554 OnlyMove (int *x, int *y, Boolean captures)
6556 DisambiguateClosure cl;
6557 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6559 case MachinePlaysBlack:
6560 case IcsPlayingWhite:
6561 case BeginningOfGame:
6562 if(!WhiteOnMove(currentMove)) return FALSE;
6564 case MachinePlaysWhite:
6565 case IcsPlayingBlack:
6566 if(WhiteOnMove(currentMove)) return FALSE;
6573 cl.pieceIn = EmptySquare;
6578 cl.promoCharIn = NULLCHAR;
6579 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6580 if( cl.kind == NormalMove ||
6581 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6582 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6583 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6590 if(cl.kind != ImpossibleMove) return FALSE;
6591 cl.pieceIn = EmptySquare;
6596 cl.promoCharIn = NULLCHAR;
6597 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6598 if( cl.kind == NormalMove ||
6599 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6600 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6601 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6606 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6612 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6613 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6614 int lastLoadGameUseList = FALSE;
6615 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6616 ChessMove lastLoadGameStart = EndOfFile;
6620 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6624 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6626 /* Check if the user is playing in turn. This is complicated because we
6627 let the user "pick up" a piece before it is his turn. So the piece he
6628 tried to pick up may have been captured by the time he puts it down!
6629 Therefore we use the color the user is supposed to be playing in this
6630 test, not the color of the piece that is currently on the starting
6631 square---except in EditGame mode, where the user is playing both
6632 sides; fortunately there the capture race can't happen. (It can
6633 now happen in IcsExamining mode, but that's just too bad. The user
6634 will get a somewhat confusing message in that case.)
6639 case TwoMachinesPlay:
6643 /* We switched into a game mode where moves are not accepted,
6644 perhaps while the mouse button was down. */
6647 case MachinePlaysWhite:
6648 /* User is moving for Black */
6649 if (WhiteOnMove(currentMove)) {
6650 DisplayMoveError(_("It is White's turn"));
6655 case MachinePlaysBlack:
6656 /* User is moving for White */
6657 if (!WhiteOnMove(currentMove)) {
6658 DisplayMoveError(_("It is Black's turn"));
6663 case PlayFromGameFile:
6664 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6667 case BeginningOfGame:
6670 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6671 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6672 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6673 /* User is moving for Black */
6674 if (WhiteOnMove(currentMove)) {
6675 DisplayMoveError(_("It is White's turn"));
6679 /* User is moving for White */
6680 if (!WhiteOnMove(currentMove)) {
6681 DisplayMoveError(_("It is Black's turn"));
6687 case IcsPlayingBlack:
6688 /* User is moving for Black */
6689 if (WhiteOnMove(currentMove)) {
6690 if (!appData.premove) {
6691 DisplayMoveError(_("It is White's turn"));
6692 } else if (toX >= 0 && toY >= 0) {
6695 premoveFromX = fromX;
6696 premoveFromY = fromY;
6697 premovePromoChar = promoChar;
6699 if (appData.debugMode)
6700 fprintf(debugFP, "Got premove: fromX %d,"
6701 "fromY %d, toX %d, toY %d\n",
6702 fromX, fromY, toX, toY);
6708 case IcsPlayingWhite:
6709 /* User is moving for White */
6710 if (!WhiteOnMove(currentMove)) {
6711 if (!appData.premove) {
6712 DisplayMoveError(_("It is Black's turn"));
6713 } else if (toX >= 0 && toY >= 0) {
6716 premoveFromX = fromX;
6717 premoveFromY = fromY;
6718 premovePromoChar = promoChar;
6720 if (appData.debugMode)
6721 fprintf(debugFP, "Got premove: fromX %d,"
6722 "fromY %d, toX %d, toY %d\n",
6723 fromX, fromY, toX, toY);
6733 /* EditPosition, empty square, or different color piece;
6734 click-click move is possible */
6735 if (toX == -2 || toY == -2) {
6736 boards[0][fromY][fromX] = EmptySquare;
6737 DrawPosition(FALSE, boards[currentMove]);
6739 } else if (toX >= 0 && toY >= 0) {
6740 boards[0][toY][toX] = boards[0][fromY][fromX];
6741 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6742 if(boards[0][fromY][0] != EmptySquare) {
6743 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6744 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6747 if(fromX == BOARD_RGHT+1) {
6748 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6749 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6750 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6753 boards[0][fromY][fromX] = gatingPiece;
6754 DrawPosition(FALSE, boards[currentMove]);
6760 if(toX < 0 || toY < 0) return;
6761 pup = boards[currentMove][toY][toX];
6763 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6764 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6765 if( pup != EmptySquare ) return;
6766 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6767 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6768 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6769 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6770 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6771 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6772 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6776 /* [HGM] always test for legality, to get promotion info */
6777 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6778 fromY, fromX, toY, toX, promoChar);
6780 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6782 /* [HGM] but possibly ignore an IllegalMove result */
6783 if (appData.testLegality) {
6784 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6785 DisplayMoveError(_("Illegal move"));
6790 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6791 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6792 ClearPremoveHighlights(); // was included
6793 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6797 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6800 /* Common tail of UserMoveEvent and DropMenuEvent */
6802 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6806 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6807 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6808 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6809 if(WhiteOnMove(currentMove)) {
6810 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6812 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6816 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6817 move type in caller when we know the move is a legal promotion */
6818 if(moveType == NormalMove && promoChar)
6819 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6821 /* [HGM] <popupFix> The following if has been moved here from
6822 UserMoveEvent(). Because it seemed to belong here (why not allow
6823 piece drops in training games?), and because it can only be
6824 performed after it is known to what we promote. */
6825 if (gameMode == Training) {
6826 /* compare the move played on the board to the next move in the
6827 * game. If they match, display the move and the opponent's response.
6828 * If they don't match, display an error message.
6832 CopyBoard(testBoard, boards[currentMove]);
6833 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6835 if (CompareBoards(testBoard, boards[currentMove+1])) {
6836 ForwardInner(currentMove+1);
6838 /* Autoplay the opponent's response.
6839 * if appData.animate was TRUE when Training mode was entered,
6840 * the response will be animated.
6842 saveAnimate = appData.animate;
6843 appData.animate = animateTraining;
6844 ForwardInner(currentMove+1);
6845 appData.animate = saveAnimate;
6847 /* check for the end of the game */
6848 if (currentMove >= forwardMostMove) {
6849 gameMode = PlayFromGameFile;
6851 SetTrainingModeOff();
6852 DisplayInformation(_("End of game"));
6855 DisplayError(_("Incorrect move"), 0);
6860 /* Ok, now we know that the move is good, so we can kill
6861 the previous line in Analysis Mode */
6862 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6863 && currentMove < forwardMostMove) {
6864 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6865 else forwardMostMove = currentMove;
6870 /* If we need the chess program but it's dead, restart it */
6871 ResurrectChessProgram();
6873 /* A user move restarts a paused game*/
6877 thinkOutput[0] = NULLCHAR;
6879 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6881 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6882 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6886 if (gameMode == BeginningOfGame) {
6887 if (appData.noChessProgram) {
6888 gameMode = EditGame;
6892 gameMode = MachinePlaysBlack;
6895 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6897 if (first.sendName) {
6898 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6899 SendToProgram(buf, &first);
6906 /* Relay move to ICS or chess engine */
6907 if (appData.icsActive) {
6908 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6909 gameMode == IcsExamining) {
6910 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6911 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6913 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6915 // also send plain move, in case ICS does not understand atomic claims
6916 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6920 if (first.sendTime && (gameMode == BeginningOfGame ||
6921 gameMode == MachinePlaysWhite ||
6922 gameMode == MachinePlaysBlack)) {
6923 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6925 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
6926 // [HGM] book: if program might be playing, let it use book
6927 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6928 first.maybeThinking = TRUE;
6929 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6930 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6931 SendBoard(&first, currentMove+1);
6932 if(second.analyzing) {
6933 if(!second.useSetboard) SendToProgram("undo\n", &second);
6934 SendBoard(&second, currentMove+1);
6937 SendMoveToProgram(forwardMostMove-1, &first);
6938 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
6940 if (currentMove == cmailOldMove + 1) {
6941 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6945 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6949 if(appData.testLegality)
6950 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6956 if (WhiteOnMove(currentMove)) {
6957 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6959 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6963 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6968 case MachinePlaysBlack:
6969 case MachinePlaysWhite:
6970 /* disable certain menu options while machine is thinking */
6971 SetMachineThinkingEnables();
6978 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6979 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6981 if(bookHit) { // [HGM] book: simulate book reply
6982 static char bookMove[MSG_SIZ]; // a bit generous?
6984 programStats.nodes = programStats.depth = programStats.time =
6985 programStats.score = programStats.got_only_move = 0;
6986 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6988 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6989 strcat(bookMove, bookHit);
6990 HandleMachineMove(bookMove, &first);
6996 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6998 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6999 Markers *m = (Markers *) closure;
7000 if(rf == fromY && ff == fromX)
7001 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7002 || kind == WhiteCapturesEnPassant
7003 || kind == BlackCapturesEnPassant);
7004 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7008 MarkTargetSquares (int clear)
7011 if(clear) // no reason to ever suppress clearing
7012 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
7013 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7014 !appData.testLegality || gameMode == EditPosition) return;
7017 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7018 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7019 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7021 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7024 DrawPosition(FALSE, NULL);
7028 Explode (Board board, int fromX, int fromY, int toX, int toY)
7030 if(gameInfo.variant == VariantAtomic &&
7031 (board[toY][toX] != EmptySquare || // capture?
7032 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7033 board[fromY][fromX] == BlackPawn )
7035 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7041 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7044 CanPromote (ChessSquare piece, int y)
7046 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7047 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7048 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
7049 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7050 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7051 gameInfo.variant == VariantMakruk) return FALSE;
7052 return (piece == BlackPawn && y == 1 ||
7053 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
7054 piece == BlackLance && y == 1 ||
7055 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7059 LeftClick (ClickType clickType, int xPix, int yPix)
7062 Boolean saveAnimate;
7063 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7064 char promoChoice = NULLCHAR;
7066 static TimeMark lastClickTime, prevClickTime;
7068 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7070 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7072 if (clickType == Press) ErrorPopDown();
7074 x = EventToSquare(xPix, BOARD_WIDTH);
7075 y = EventToSquare(yPix, BOARD_HEIGHT);
7076 if (!flipView && y >= 0) {
7077 y = BOARD_HEIGHT - 1 - y;
7079 if (flipView && x >= 0) {
7080 x = BOARD_WIDTH - 1 - x;
7083 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7084 defaultPromoChoice = promoSweep;
7085 promoSweep = EmptySquare; // terminate sweep
7086 promoDefaultAltered = TRUE;
7087 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7090 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7091 if(clickType == Release) return; // ignore upclick of click-click destination
7092 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7093 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7094 if(gameInfo.holdingsWidth &&
7095 (WhiteOnMove(currentMove)
7096 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7097 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7098 // click in right holdings, for determining promotion piece
7099 ChessSquare p = boards[currentMove][y][x];
7100 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7101 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7102 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7103 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7108 DrawPosition(FALSE, boards[currentMove]);
7112 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7113 if(clickType == Press
7114 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7115 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7116 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7119 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7120 // could be static click on premove from-square: abort premove
7122 ClearPremoveHighlights();
7125 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7126 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7128 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7129 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7130 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7131 defaultPromoChoice = DefaultPromoChoice(side);
7134 autoQueen = appData.alwaysPromoteToQueen;
7138 gatingPiece = EmptySquare;
7139 if (clickType != Press) {
7140 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7141 DragPieceEnd(xPix, yPix); dragging = 0;
7142 DrawPosition(FALSE, NULL);
7146 doubleClick = FALSE;
7147 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7148 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7150 fromX = x; fromY = y; toX = toY = -1;
7151 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7152 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7153 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7155 if (OKToStartUserMove(fromX, fromY)) {
7157 MarkTargetSquares(0);
7158 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7159 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7160 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7161 promoSweep = defaultPromoChoice;
7162 selectFlag = 0; lastX = xPix; lastY = yPix;
7163 Sweep(0); // Pawn that is going to promote: preview promotion piece
7164 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7166 if (appData.highlightDragging) {
7167 SetHighlights(fromX, fromY, -1, -1);
7171 } else fromX = fromY = -1;
7177 if (clickType == Press && gameMode != EditPosition) {
7182 // ignore off-board to clicks
7183 if(y < 0 || x < 0) return;
7185 /* Check if clicking again on the same color piece */
7186 fromP = boards[currentMove][fromY][fromX];
7187 toP = boards[currentMove][y][x];
7188 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7189 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7190 WhitePawn <= toP && toP <= WhiteKing &&
7191 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7192 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7193 (BlackPawn <= fromP && fromP <= BlackKing &&
7194 BlackPawn <= toP && toP <= BlackKing &&
7195 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7196 !(fromP == BlackKing && toP == BlackRook && frc))) {
7197 /* Clicked again on same color piece -- changed his mind */
7198 second = (x == fromX && y == fromY);
7199 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7200 second = FALSE; // first double-click rather than scond click
7201 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7203 promoDefaultAltered = FALSE;
7204 MarkTargetSquares(1);
7205 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7206 if (appData.highlightDragging) {
7207 SetHighlights(x, y, -1, -1);
7211 if (OKToStartUserMove(x, y)) {
7212 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7213 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7214 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7215 gatingPiece = boards[currentMove][fromY][fromX];
7216 else gatingPiece = doubleClick ? fromP : EmptySquare;
7218 fromY = y; dragging = 1;
7219 MarkTargetSquares(0);
7220 DragPieceBegin(xPix, yPix, FALSE);
7221 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7222 promoSweep = defaultPromoChoice;
7223 selectFlag = 0; lastX = xPix; lastY = yPix;
7224 Sweep(0); // Pawn that is going to promote: preview promotion piece
7228 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7231 // ignore clicks on holdings
7232 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7235 if (clickType == Release && x == fromX && y == fromY) {
7236 DragPieceEnd(xPix, yPix); dragging = 0;
7238 // a deferred attempt to click-click move an empty square on top of a piece
7239 boards[currentMove][y][x] = EmptySquare;
7241 DrawPosition(FALSE, boards[currentMove]);
7242 fromX = fromY = -1; clearFlag = 0;
7245 if (appData.animateDragging) {
7246 /* Undo animation damage if any */
7247 DrawPosition(FALSE, NULL);
7249 if (second || sweepSelecting) {
7250 /* Second up/down in same square; just abort move */
7251 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7252 second = sweepSelecting = 0;
7254 gatingPiece = EmptySquare;
7257 ClearPremoveHighlights();
7259 /* First upclick in same square; start click-click mode */
7260 SetHighlights(x, y, -1, -1);
7267 /* we now have a different from- and (possibly off-board) to-square */
7268 /* Completed move */
7269 if(!sweepSelecting) {
7272 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7274 saveAnimate = appData.animate;
7275 if (clickType == Press) {
7276 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7277 // must be Edit Position mode with empty-square selected
7278 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7279 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7282 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7283 if(appData.sweepSelect) {
7284 ChessSquare piece = boards[currentMove][fromY][fromX];
7285 promoSweep = defaultPromoChoice;
7286 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7287 selectFlag = 0; lastX = xPix; lastY = yPix;
7288 Sweep(0); // Pawn that is going to promote: preview promotion piece
7290 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7291 MarkTargetSquares(1);
7293 return; // promo popup appears on up-click
7295 /* Finish clickclick move */
7296 if (appData.animate || appData.highlightLastMove) {
7297 SetHighlights(fromX, fromY, toX, toY);
7303 // [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
7304 /* Finish drag move */
7305 if (appData.highlightLastMove) {
7306 SetHighlights(fromX, fromY, toX, toY);
7311 DragPieceEnd(xPix, yPix); dragging = 0;
7312 /* Don't animate move and drag both */
7313 appData.animate = FALSE;
7316 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7317 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7318 ChessSquare piece = boards[currentMove][fromY][fromX];
7319 if(gameMode == EditPosition && piece != EmptySquare &&
7320 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7323 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7324 n = PieceToNumber(piece - (int)BlackPawn);
7325 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7326 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7327 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7329 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7330 n = PieceToNumber(piece);
7331 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7332 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7333 boards[currentMove][n][BOARD_WIDTH-2]++;
7335 boards[currentMove][fromY][fromX] = EmptySquare;
7339 MarkTargetSquares(1);
7340 DrawPosition(TRUE, boards[currentMove]);
7344 // off-board moves should not be highlighted
7345 if(x < 0 || y < 0) ClearHighlights();
7347 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7349 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7350 SetHighlights(fromX, fromY, toX, toY);
7351 MarkTargetSquares(1);
7352 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7353 // [HGM] super: promotion to captured piece selected from holdings
7354 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7355 promotionChoice = TRUE;
7356 // kludge follows to temporarily execute move on display, without promoting yet
7357 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7358 boards[currentMove][toY][toX] = p;
7359 DrawPosition(FALSE, boards[currentMove]);
7360 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7361 boards[currentMove][toY][toX] = q;
7362 DisplayMessage("Click in holdings to choose piece", "");
7367 int oldMove = currentMove;
7368 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7369 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7370 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7371 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7372 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7373 DrawPosition(TRUE, boards[currentMove]);
7374 MarkTargetSquares(1);
7377 appData.animate = saveAnimate;
7378 if (appData.animate || appData.animateDragging) {
7379 /* Undo animation damage if needed */
7380 DrawPosition(FALSE, NULL);
7385 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7386 { // front-end-free part taken out of PieceMenuPopup
7387 int whichMenu; int xSqr, ySqr;
7389 if(seekGraphUp) { // [HGM] seekgraph
7390 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7391 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7395 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7396 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7397 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7398 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7399 if(action == Press) {
7400 originalFlip = flipView;
7401 flipView = !flipView; // temporarily flip board to see game from partners perspective
7402 DrawPosition(TRUE, partnerBoard);
7403 DisplayMessage(partnerStatus, "");
7405 } else if(action == Release) {
7406 flipView = originalFlip;
7407 DrawPosition(TRUE, boards[currentMove]);
7413 xSqr = EventToSquare(x, BOARD_WIDTH);
7414 ySqr = EventToSquare(y, BOARD_HEIGHT);
7415 if (action == Release) {
7416 if(pieceSweep != EmptySquare) {
7417 EditPositionMenuEvent(pieceSweep, toX, toY);
7418 pieceSweep = EmptySquare;
7419 } else UnLoadPV(); // [HGM] pv
7421 if (action != Press) return -2; // return code to be ignored
7424 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7426 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7427 if (xSqr < 0 || ySqr < 0) return -1;
7428 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7429 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7430 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7431 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7435 if(!appData.icsEngineAnalyze) return -1;
7436 case IcsPlayingWhite:
7437 case IcsPlayingBlack:
7438 if(!appData.zippyPlay) goto noZip;
7441 case MachinePlaysWhite:
7442 case MachinePlaysBlack:
7443 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7444 if (!appData.dropMenu) {
7446 return 2; // flag front-end to grab mouse events
7448 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7449 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7452 if (xSqr < 0 || ySqr < 0) return -1;
7453 if (!appData.dropMenu || appData.testLegality &&
7454 gameInfo.variant != VariantBughouse &&
7455 gameInfo.variant != VariantCrazyhouse) return -1;
7456 whichMenu = 1; // drop menu
7462 if (((*fromX = xSqr) < 0) ||
7463 ((*fromY = ySqr) < 0)) {
7464 *fromX = *fromY = -1;
7468 *fromX = BOARD_WIDTH - 1 - *fromX;
7470 *fromY = BOARD_HEIGHT - 1 - *fromY;
7476 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7478 // char * hint = lastHint;
7479 FrontEndProgramStats stats;
7481 stats.which = cps == &first ? 0 : 1;
7482 stats.depth = cpstats->depth;
7483 stats.nodes = cpstats->nodes;
7484 stats.score = cpstats->score;
7485 stats.time = cpstats->time;
7486 stats.pv = cpstats->movelist;
7487 stats.hint = lastHint;
7488 stats.an_move_index = 0;
7489 stats.an_move_count = 0;
7491 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7492 stats.hint = cpstats->move_name;
7493 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7494 stats.an_move_count = cpstats->nr_moves;
7497 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
7499 SetProgramStats( &stats );
7503 ClearEngineOutputPane (int which)
7505 static FrontEndProgramStats dummyStats;
7506 dummyStats.which = which;
7507 dummyStats.pv = "#";
7508 SetProgramStats( &dummyStats );
7511 #define MAXPLAYERS 500
7514 TourneyStandings (int display)
7516 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7517 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7518 char result, *p, *names[MAXPLAYERS];
7520 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7521 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7522 names[0] = p = strdup(appData.participants);
7523 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7525 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7527 while(result = appData.results[nr]) {
7528 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7529 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7530 wScore = bScore = 0;
7532 case '+': wScore = 2; break;
7533 case '-': bScore = 2; break;
7534 case '=': wScore = bScore = 1; break;
7536 case '*': return strdup("busy"); // tourney not finished
7544 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7545 for(w=0; w<nPlayers; w++) {
7547 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7548 ranking[w] = b; points[w] = bScore; score[b] = -2;
7550 p = malloc(nPlayers*34+1);
7551 for(w=0; w<nPlayers && w<display; w++)
7552 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7558 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7559 { // count all piece types
7561 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7562 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7563 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7566 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7567 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7568 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7569 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7570 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7571 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7576 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7578 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7579 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7581 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7582 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7583 if(myPawns == 2 && nMine == 3) // KPP
7584 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7585 if(myPawns == 1 && nMine == 2) // KP
7586 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7587 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7588 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7589 if(myPawns) return FALSE;
7590 if(pCnt[WhiteRook+side])
7591 return pCnt[BlackRook-side] ||
7592 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7593 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7594 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7595 if(pCnt[WhiteCannon+side]) {
7596 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7597 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7599 if(pCnt[WhiteKnight+side])
7600 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7605 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7607 VariantClass v = gameInfo.variant;
7609 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7610 if(v == VariantShatranj) return TRUE; // always winnable through baring
7611 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7612 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7614 if(v == VariantXiangqi) {
7615 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7617 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7618 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7619 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7620 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7621 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7622 if(stale) // we have at least one last-rank P plus perhaps C
7623 return majors // KPKX
7624 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7626 return pCnt[WhiteFerz+side] // KCAK
7627 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7628 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7629 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7631 } else if(v == VariantKnightmate) {
7632 if(nMine == 1) return FALSE;
7633 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7634 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7635 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7637 if(nMine == 1) return FALSE; // bare King
7638 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
7639 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7640 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7641 // by now we have King + 1 piece (or multiple Bishops on the same color)
7642 if(pCnt[WhiteKnight+side])
7643 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7644 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7645 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7647 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7648 if(pCnt[WhiteAlfil+side])
7649 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7650 if(pCnt[WhiteWazir+side])
7651 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7658 CompareWithRights (Board b1, Board b2)
7661 if(!CompareBoards(b1, b2)) return FALSE;
7662 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7663 /* compare castling rights */
7664 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7665 rights++; /* King lost rights, while rook still had them */
7666 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7667 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7668 rights++; /* but at least one rook lost them */
7670 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7672 if( b1[CASTLING][5] != NoRights ) {
7673 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7680 Adjudicate (ChessProgramState *cps)
7681 { // [HGM] some adjudications useful with buggy engines
7682 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7683 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7684 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7685 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7686 int k, drop, count = 0; static int bare = 1;
7687 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7688 Boolean canAdjudicate = !appData.icsActive;
7690 // most tests only when we understand the game, i.e. legality-checking on
7691 if( appData.testLegality )
7692 { /* [HGM] Some more adjudications for obstinate engines */
7693 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7694 static int moveCount = 6;
7696 char *reason = NULL;
7698 /* Count what is on board. */
7699 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7701 /* Some material-based adjudications that have to be made before stalemate test */
7702 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7703 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7704 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7705 if(canAdjudicate && appData.checkMates) {
7707 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7708 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7709 "Xboard adjudication: King destroyed", GE_XBOARD );
7714 /* Bare King in Shatranj (loses) or Losers (wins) */
7715 if( nrW == 1 || nrB == 1) {
7716 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7717 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7718 if(canAdjudicate && appData.checkMates) {
7720 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7721 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7722 "Xboard adjudication: Bare king", GE_XBOARD );
7726 if( gameInfo.variant == VariantShatranj && --bare < 0)
7728 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7729 if(canAdjudicate && appData.checkMates) {
7730 /* but only adjudicate if adjudication enabled */
7732 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7733 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7734 "Xboard adjudication: Bare king", GE_XBOARD );
7741 // don't wait for engine to announce game end if we can judge ourselves
7742 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7744 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7745 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7746 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7747 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7750 reason = "Xboard adjudication: 3rd check";
7751 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7761 reason = "Xboard adjudication: Stalemate";
7762 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7763 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7764 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7765 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7766 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7767 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7768 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7769 EP_CHECKMATE : EP_WINS);
7770 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
7771 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7775 reason = "Xboard adjudication: Checkmate";
7776 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7777 if(gameInfo.variant == VariantShogi) {
7778 if(forwardMostMove > backwardMostMove
7779 && moveList[forwardMostMove-1][1] == '@'
7780 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
7781 reason = "XBoard adjudication: pawn-drop mate";
7782 boards[forwardMostMove][EP_STATUS] = EP_WINS;
7788 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7790 result = GameIsDrawn; break;
7792 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7794 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7798 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7800 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7801 GameEnds( result, reason, GE_XBOARD );
7805 /* Next absolutely insufficient mating material. */
7806 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7807 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7808 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7810 /* always flag draws, for judging claims */
7811 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7813 if(canAdjudicate && appData.materialDraws) {
7814 /* but only adjudicate them if adjudication enabled */
7815 if(engineOpponent) {
7816 SendToProgram("force\n", engineOpponent); // suppress reply
7817 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7819 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7824 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7825 if(gameInfo.variant == VariantXiangqi ?
7826 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7828 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7829 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7830 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7831 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7833 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7834 { /* if the first 3 moves do not show a tactical win, declare draw */
7835 if(engineOpponent) {
7836 SendToProgram("force\n", engineOpponent); // suppress reply
7837 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7839 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7842 } else moveCount = 6;
7845 // Repetition draws and 50-move rule can be applied independently of legality testing
7847 /* Check for rep-draws */
7849 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
7850 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
7851 for(k = forwardMostMove-2;
7852 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
7853 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7854 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
7857 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7858 /* compare castling rights */
7859 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7860 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7861 rights++; /* King lost rights, while rook still had them */
7862 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7863 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7864 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7865 rights++; /* but at least one rook lost them */
7867 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7868 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7870 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7871 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7872 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7875 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7876 && appData.drawRepeats > 1) {
7877 /* adjudicate after user-specified nr of repeats */
7878 int result = GameIsDrawn;
7879 char *details = "XBoard adjudication: repetition draw";
7880 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
7881 // [HGM] xiangqi: check for forbidden perpetuals
7882 int m, ourPerpetual = 1, hisPerpetual = 1;
7883 for(m=forwardMostMove; m>k; m-=2) {
7884 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7885 ourPerpetual = 0; // the current mover did not always check
7886 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7887 hisPerpetual = 0; // the opponent did not always check
7889 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7890 ourPerpetual, hisPerpetual);
7891 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7892 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7893 details = "Xboard adjudication: perpetual checking";
7895 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7896 break; // (or we would have caught him before). Abort repetition-checking loop.
7898 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
7899 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
7901 details = "Xboard adjudication: repetition";
7903 } else // it must be XQ
7904 // Now check for perpetual chases
7905 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7906 hisPerpetual = PerpetualChase(k, forwardMostMove);
7907 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7908 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7909 static char resdet[MSG_SIZ];
7910 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7912 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7914 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7915 break; // Abort repetition-checking loop.
7917 // if neither of us is checking or chasing all the time, or both are, it is draw
7919 if(engineOpponent) {
7920 SendToProgram("force\n", engineOpponent); // suppress reply
7921 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7923 GameEnds( result, details, GE_XBOARD );
7926 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7927 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7931 /* Now we test for 50-move draws. Determine ply count */
7932 count = forwardMostMove;
7933 /* look for last irreversble move */
7934 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7936 /* if we hit starting position, add initial plies */
7937 if( count == backwardMostMove )
7938 count -= initialRulePlies;
7939 count = forwardMostMove - count;
7940 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7941 // adjust reversible move counter for checks in Xiangqi
7942 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7943 if(i < backwardMostMove) i = backwardMostMove;
7944 while(i <= forwardMostMove) {
7945 lastCheck = inCheck; // check evasion does not count
7946 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7947 if(inCheck || lastCheck) count--; // check does not count
7952 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7953 /* this is used to judge if draw claims are legal */
7954 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7955 if(engineOpponent) {
7956 SendToProgram("force\n", engineOpponent); // suppress reply
7957 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7959 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7963 /* if draw offer is pending, treat it as a draw claim
7964 * when draw condition present, to allow engines a way to
7965 * claim draws before making their move to avoid a race
7966 * condition occurring after their move
7968 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7970 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7971 p = "Draw claim: 50-move rule";
7972 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7973 p = "Draw claim: 3-fold repetition";
7974 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7975 p = "Draw claim: insufficient mating material";
7976 if( p != NULL && canAdjudicate) {
7977 if(engineOpponent) {
7978 SendToProgram("force\n", engineOpponent); // suppress reply
7979 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7981 GameEnds( GameIsDrawn, p, GE_XBOARD );
7986 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7987 if(engineOpponent) {
7988 SendToProgram("force\n", engineOpponent); // suppress reply
7989 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7991 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7998 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7999 { // [HGM] book: this routine intercepts moves to simulate book replies
8000 char *bookHit = NULL;
8002 //first determine if the incoming move brings opponent into his book
8003 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8004 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8005 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8006 if(bookHit != NULL && !cps->bookSuspend) {
8007 // make sure opponent is not going to reply after receiving move to book position
8008 SendToProgram("force\n", cps);
8009 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8011 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8012 // now arrange restart after book miss
8014 // after a book hit we never send 'go', and the code after the call to this routine
8015 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8016 char buf[MSG_SIZ], *move = bookHit;
8018 int fromX, fromY, toX, toY;
8022 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8023 &fromX, &fromY, &toX, &toY, &promoChar)) {
8024 (void) CoordsToAlgebraic(boards[forwardMostMove],
8025 PosFlags(forwardMostMove),
8026 fromY, fromX, toY, toX, promoChar, move);
8028 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8032 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8033 SendToProgram(buf, cps);
8034 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8035 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8036 SendToProgram("go\n", cps);
8037 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8038 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8039 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8040 SendToProgram("go\n", cps);
8041 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8043 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8047 LoadError (char *errmess, ChessProgramState *cps)
8048 { // unloads engine and switches back to -ncp mode if it was first
8049 if(cps->initDone) return FALSE;
8050 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8051 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8054 appData.noChessProgram = TRUE;
8055 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8056 gameMode = BeginningOfGame; ModeHighlight();
8059 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8060 DisplayMessage("", ""); // erase waiting message
8061 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8066 ChessProgramState *savedState;
8068 DeferredBookMove (void)
8070 if(savedState->lastPing != savedState->lastPong)
8071 ScheduleDelayedEvent(DeferredBookMove, 10);
8073 HandleMachineMove(savedMessage, savedState);
8076 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8077 static ChessProgramState *stalledEngine;
8078 static char stashedInputMove[MSG_SIZ];
8081 HandleMachineMove (char *message, ChessProgramState *cps)
8083 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8084 char realname[MSG_SIZ];
8085 int fromX, fromY, toX, toY;
8089 int machineWhite, oldError;
8092 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8093 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8094 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8095 DisplayError(_("Invalid pairing from pairing engine"), 0);
8098 pairingReceived = 1;
8100 return; // Skim the pairing messages here.
8103 oldError = cps->userError; cps->userError = 0;
8105 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8107 * Kludge to ignore BEL characters
8109 while (*message == '\007') message++;
8112 * [HGM] engine debug message: ignore lines starting with '#' character
8114 if(cps->debug && *message == '#') return;
8117 * Look for book output
8119 if (cps == &first && bookRequested) {
8120 if (message[0] == '\t' || message[0] == ' ') {
8121 /* Part of the book output is here; append it */
8122 strcat(bookOutput, message);
8123 strcat(bookOutput, " \n");
8125 } else if (bookOutput[0] != NULLCHAR) {
8126 /* All of book output has arrived; display it */
8127 char *p = bookOutput;
8128 while (*p != NULLCHAR) {
8129 if (*p == '\t') *p = ' ';
8132 DisplayInformation(bookOutput);
8133 bookRequested = FALSE;
8134 /* Fall through to parse the current output */
8139 * Look for machine move.
8141 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8142 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8144 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8145 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8146 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8147 stalledEngine = cps;
8148 if(appData.ponderNextMove) { // bring opponent out of ponder
8149 if(gameMode == TwoMachinesPlay) {
8150 if(cps->other->pause)
8151 PauseEngine(cps->other);
8153 SendToProgram("easy\n", cps->other);
8160 /* This method is only useful on engines that support ping */
8161 if (cps->lastPing != cps->lastPong) {
8162 if (gameMode == BeginningOfGame) {
8163 /* Extra move from before last new; ignore */
8164 if (appData.debugMode) {
8165 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8168 if (appData.debugMode) {
8169 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8170 cps->which, gameMode);
8173 SendToProgram("undo\n", cps);
8179 case BeginningOfGame:
8180 /* Extra move from before last reset; ignore */
8181 if (appData.debugMode) {
8182 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8189 /* Extra move after we tried to stop. The mode test is
8190 not a reliable way of detecting this problem, but it's
8191 the best we can do on engines that don't support ping.
8193 if (appData.debugMode) {
8194 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8195 cps->which, gameMode);
8197 SendToProgram("undo\n", cps);
8200 case MachinePlaysWhite:
8201 case IcsPlayingWhite:
8202 machineWhite = TRUE;
8205 case MachinePlaysBlack:
8206 case IcsPlayingBlack:
8207 machineWhite = FALSE;
8210 case TwoMachinesPlay:
8211 machineWhite = (cps->twoMachinesColor[0] == 'w');
8214 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8215 if (appData.debugMode) {
8217 "Ignoring move out of turn by %s, gameMode %d"
8218 ", forwardMost %d\n",
8219 cps->which, gameMode, forwardMostMove);
8224 if(cps->alphaRank) AlphaRank(machineMove, 4);
8225 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8226 &fromX, &fromY, &toX, &toY, &promoChar)) {
8227 /* Machine move could not be parsed; ignore it. */
8228 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8229 machineMove, _(cps->which));
8230 DisplayMoveError(buf1);
8231 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8232 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8233 if (gameMode == TwoMachinesPlay) {
8234 GameEnds(machineWhite ? BlackWins : WhiteWins,
8240 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8241 /* So we have to redo legality test with true e.p. status here, */
8242 /* to make sure an illegal e.p. capture does not slip through, */
8243 /* to cause a forfeit on a justified illegal-move complaint */
8244 /* of the opponent. */
8245 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8247 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8248 fromY, fromX, toY, toX, promoChar);
8249 if(moveType == IllegalMove) {
8250 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8251 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8252 GameEnds(machineWhite ? BlackWins : WhiteWins,
8255 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8256 /* [HGM] Kludge to handle engines that send FRC-style castling
8257 when they shouldn't (like TSCP-Gothic) */
8259 case WhiteASideCastleFR:
8260 case BlackASideCastleFR:
8262 currentMoveString[2]++;
8264 case WhiteHSideCastleFR:
8265 case BlackHSideCastleFR:
8267 currentMoveString[2]--;
8269 default: ; // nothing to do, but suppresses warning of pedantic compilers
8272 hintRequested = FALSE;
8273 lastHint[0] = NULLCHAR;
8274 bookRequested = FALSE;
8275 /* Program may be pondering now */
8276 cps->maybeThinking = TRUE;
8277 if (cps->sendTime == 2) cps->sendTime = 1;
8278 if (cps->offeredDraw) cps->offeredDraw--;
8280 /* [AS] Save move info*/
8281 pvInfoList[ forwardMostMove ].score = programStats.score;
8282 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8283 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8285 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8287 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8288 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8291 while( count < adjudicateLossPlies ) {
8292 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8295 score = -score; /* Flip score for winning side */
8298 if( score > adjudicateLossThreshold ) {
8305 if( count >= adjudicateLossPlies ) {
8306 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8308 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8309 "Xboard adjudication",
8316 if(Adjudicate(cps)) {
8317 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8318 return; // [HGM] adjudicate: for all automatic game ends
8322 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8324 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8325 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8327 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8329 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8331 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8332 char buf[3*MSG_SIZ];
8334 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8335 programStats.score / 100.,
8337 programStats.time / 100.,
8338 (unsigned int)programStats.nodes,
8339 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8340 programStats.movelist);
8342 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8347 /* [AS] Clear stats for next move */
8348 ClearProgramStats();
8349 thinkOutput[0] = NULLCHAR;
8350 hiddenThinkOutputState = 0;
8353 if (gameMode == TwoMachinesPlay) {
8354 /* [HGM] relaying draw offers moved to after reception of move */
8355 /* and interpreting offer as claim if it brings draw condition */
8356 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8357 SendToProgram("draw\n", cps->other);
8359 if (cps->other->sendTime) {
8360 SendTimeRemaining(cps->other,
8361 cps->other->twoMachinesColor[0] == 'w');
8363 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8364 if (firstMove && !bookHit) {
8366 if (cps->other->useColors) {
8367 SendToProgram(cps->other->twoMachinesColor, cps->other);
8369 SendToProgram("go\n", cps->other);
8371 cps->other->maybeThinking = TRUE;
8374 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8376 if (!pausing && appData.ringBellAfterMoves) {
8381 * Reenable menu items that were disabled while
8382 * machine was thinking
8384 if (gameMode != TwoMachinesPlay)
8385 SetUserThinkingEnables();
8387 // [HGM] book: after book hit opponent has received move and is now in force mode
8388 // force the book reply into it, and then fake that it outputted this move by jumping
8389 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8391 static char bookMove[MSG_SIZ]; // a bit generous?
8393 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8394 strcat(bookMove, bookHit);
8397 programStats.nodes = programStats.depth = programStats.time =
8398 programStats.score = programStats.got_only_move = 0;
8399 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8401 if(cps->lastPing != cps->lastPong) {
8402 savedMessage = message; // args for deferred call
8404 ScheduleDelayedEvent(DeferredBookMove, 10);
8413 /* Set special modes for chess engines. Later something general
8414 * could be added here; for now there is just one kludge feature,
8415 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8416 * when "xboard" is given as an interactive command.
8418 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8419 cps->useSigint = FALSE;
8420 cps->useSigterm = FALSE;
8422 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8423 ParseFeatures(message+8, cps);
8424 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8427 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8428 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8429 int dummy, s=6; char buf[MSG_SIZ];
8430 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8431 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8432 if(startedFromSetupPosition) return;
8433 ParseFEN(boards[0], &dummy, message+s);
8434 DrawPosition(TRUE, boards[0]);
8435 startedFromSetupPosition = TRUE;
8438 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8439 * want this, I was asked to put it in, and obliged.
8441 if (!strncmp(message, "setboard ", 9)) {
8442 Board initial_position;
8444 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8446 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8447 DisplayError(_("Bad FEN received from engine"), 0);
8451 CopyBoard(boards[0], initial_position);
8452 initialRulePlies = FENrulePlies;
8453 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8454 else gameMode = MachinePlaysBlack;
8455 DrawPosition(FALSE, boards[currentMove]);
8461 * Look for communication commands
8463 if (!strncmp(message, "telluser ", 9)) {
8464 if(message[9] == '\\' && message[10] == '\\')
8465 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8467 DisplayNote(message + 9);
8470 if (!strncmp(message, "tellusererror ", 14)) {
8472 if(message[14] == '\\' && message[15] == '\\')
8473 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8475 DisplayError(message + 14, 0);
8478 if (!strncmp(message, "tellopponent ", 13)) {
8479 if (appData.icsActive) {
8481 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8485 DisplayNote(message + 13);
8489 if (!strncmp(message, "tellothers ", 11)) {
8490 if (appData.icsActive) {
8492 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8495 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8498 if (!strncmp(message, "tellall ", 8)) {
8499 if (appData.icsActive) {
8501 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8505 DisplayNote(message + 8);
8509 if (strncmp(message, "warning", 7) == 0) {
8510 /* Undocumented feature, use tellusererror in new code */
8511 DisplayError(message, 0);
8514 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8515 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8516 strcat(realname, " query");
8517 AskQuestion(realname, buf2, buf1, cps->pr);
8520 /* Commands from the engine directly to ICS. We don't allow these to be
8521 * sent until we are logged on. Crafty kibitzes have been known to
8522 * interfere with the login process.
8525 if (!strncmp(message, "tellics ", 8)) {
8526 SendToICS(message + 8);
8530 if (!strncmp(message, "tellicsnoalias ", 15)) {
8531 SendToICS(ics_prefix);
8532 SendToICS(message + 15);
8536 /* The following are for backward compatibility only */
8537 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8538 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8539 SendToICS(ics_prefix);
8545 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8549 * If the move is illegal, cancel it and redraw the board.
8550 * Also deal with other error cases. Matching is rather loose
8551 * here to accommodate engines written before the spec.
8553 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8554 strncmp(message, "Error", 5) == 0) {
8555 if (StrStr(message, "name") ||
8556 StrStr(message, "rating") || StrStr(message, "?") ||
8557 StrStr(message, "result") || StrStr(message, "board") ||
8558 StrStr(message, "bk") || StrStr(message, "computer") ||
8559 StrStr(message, "variant") || StrStr(message, "hint") ||
8560 StrStr(message, "random") || StrStr(message, "depth") ||
8561 StrStr(message, "accepted")) {
8564 if (StrStr(message, "protover")) {
8565 /* Program is responding to input, so it's apparently done
8566 initializing, and this error message indicates it is
8567 protocol version 1. So we don't need to wait any longer
8568 for it to initialize and send feature commands. */
8569 FeatureDone(cps, 1);
8570 cps->protocolVersion = 1;
8573 cps->maybeThinking = FALSE;
8575 if (StrStr(message, "draw")) {
8576 /* Program doesn't have "draw" command */
8577 cps->sendDrawOffers = 0;
8580 if (cps->sendTime != 1 &&
8581 (StrStr(message, "time") || StrStr(message, "otim"))) {
8582 /* Program apparently doesn't have "time" or "otim" command */
8586 if (StrStr(message, "analyze")) {
8587 cps->analysisSupport = FALSE;
8588 cps->analyzing = FALSE;
8589 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8590 EditGameEvent(); // [HGM] try to preserve loaded game
8591 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8592 DisplayError(buf2, 0);
8595 if (StrStr(message, "(no matching move)st")) {
8596 /* Special kludge for GNU Chess 4 only */
8597 cps->stKludge = TRUE;
8598 SendTimeControl(cps, movesPerSession, timeControl,
8599 timeIncrement, appData.searchDepth,
8603 if (StrStr(message, "(no matching move)sd")) {
8604 /* Special kludge for GNU Chess 4 only */
8605 cps->sdKludge = TRUE;
8606 SendTimeControl(cps, movesPerSession, timeControl,
8607 timeIncrement, appData.searchDepth,
8611 if (!StrStr(message, "llegal")) {
8614 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8615 gameMode == IcsIdle) return;
8616 if (forwardMostMove <= backwardMostMove) return;
8617 if (pausing) PauseEvent();
8618 if(appData.forceIllegal) {
8619 // [HGM] illegal: machine refused move; force position after move into it
8620 SendToProgram("force\n", cps);
8621 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8622 // we have a real problem now, as SendBoard will use the a2a3 kludge
8623 // when black is to move, while there might be nothing on a2 or black
8624 // might already have the move. So send the board as if white has the move.
8625 // But first we must change the stm of the engine, as it refused the last move
8626 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8627 if(WhiteOnMove(forwardMostMove)) {
8628 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8629 SendBoard(cps, forwardMostMove); // kludgeless board
8631 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8632 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8633 SendBoard(cps, forwardMostMove+1); // kludgeless board
8635 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8636 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8637 gameMode == TwoMachinesPlay)
8638 SendToProgram("go\n", cps);
8641 if (gameMode == PlayFromGameFile) {
8642 /* Stop reading this game file */
8643 gameMode = EditGame;
8646 /* [HGM] illegal-move claim should forfeit game when Xboard */
8647 /* only passes fully legal moves */
8648 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8649 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8650 "False illegal-move claim", GE_XBOARD );
8651 return; // do not take back move we tested as valid
8653 currentMove = forwardMostMove-1;
8654 DisplayMove(currentMove-1); /* before DisplayMoveError */
8655 SwitchClocks(forwardMostMove-1); // [HGM] race
8656 DisplayBothClocks();
8657 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8658 parseList[currentMove], _(cps->which));
8659 DisplayMoveError(buf1);
8660 DrawPosition(FALSE, boards[currentMove]);
8662 SetUserThinkingEnables();
8665 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8666 /* Program has a broken "time" command that
8667 outputs a string not ending in newline.
8673 * If chess program startup fails, exit with an error message.
8674 * Attempts to recover here are futile. [HGM] Well, we try anyway
8676 if ((StrStr(message, "unknown host") != NULL)
8677 || (StrStr(message, "No remote directory") != NULL)
8678 || (StrStr(message, "not found") != NULL)
8679 || (StrStr(message, "No such file") != NULL)
8680 || (StrStr(message, "can't alloc") != NULL)
8681 || (StrStr(message, "Permission denied") != NULL)) {
8683 cps->maybeThinking = FALSE;
8684 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8685 _(cps->which), cps->program, cps->host, message);
8686 RemoveInputSource(cps->isr);
8687 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8688 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8689 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8695 * Look for hint output
8697 if (sscanf(message, "Hint: %s", buf1) == 1) {
8698 if (cps == &first && hintRequested) {
8699 hintRequested = FALSE;
8700 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8701 &fromX, &fromY, &toX, &toY, &promoChar)) {
8702 (void) CoordsToAlgebraic(boards[forwardMostMove],
8703 PosFlags(forwardMostMove),
8704 fromY, fromX, toY, toX, promoChar, buf1);
8705 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8706 DisplayInformation(buf2);
8708 /* Hint move could not be parsed!? */
8709 snprintf(buf2, sizeof(buf2),
8710 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8711 buf1, _(cps->which));
8712 DisplayError(buf2, 0);
8715 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8721 * Ignore other messages if game is not in progress
8723 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8724 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8727 * look for win, lose, draw, or draw offer
8729 if (strncmp(message, "1-0", 3) == 0) {
8730 char *p, *q, *r = "";
8731 p = strchr(message, '{');
8739 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8741 } else if (strncmp(message, "0-1", 3) == 0) {
8742 char *p, *q, *r = "";
8743 p = strchr(message, '{');
8751 /* Kludge for Arasan 4.1 bug */
8752 if (strcmp(r, "Black resigns") == 0) {
8753 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8756 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8758 } else if (strncmp(message, "1/2", 3) == 0) {
8759 char *p, *q, *r = "";
8760 p = strchr(message, '{');
8769 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8772 } else if (strncmp(message, "White resign", 12) == 0) {
8773 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8775 } else if (strncmp(message, "Black resign", 12) == 0) {
8776 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8778 } else if (strncmp(message, "White matches", 13) == 0 ||
8779 strncmp(message, "Black matches", 13) == 0 ) {
8780 /* [HGM] ignore GNUShogi noises */
8782 } else if (strncmp(message, "White", 5) == 0 &&
8783 message[5] != '(' &&
8784 StrStr(message, "Black") == NULL) {
8785 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8787 } else if (strncmp(message, "Black", 5) == 0 &&
8788 message[5] != '(') {
8789 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8791 } else if (strcmp(message, "resign") == 0 ||
8792 strcmp(message, "computer resigns") == 0) {
8794 case MachinePlaysBlack:
8795 case IcsPlayingBlack:
8796 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8798 case MachinePlaysWhite:
8799 case IcsPlayingWhite:
8800 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8802 case TwoMachinesPlay:
8803 if (cps->twoMachinesColor[0] == 'w')
8804 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8806 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8813 } else if (strncmp(message, "opponent mates", 14) == 0) {
8815 case MachinePlaysBlack:
8816 case IcsPlayingBlack:
8817 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8819 case MachinePlaysWhite:
8820 case IcsPlayingWhite:
8821 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8823 case TwoMachinesPlay:
8824 if (cps->twoMachinesColor[0] == 'w')
8825 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8827 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8834 } else if (strncmp(message, "computer mates", 14) == 0) {
8836 case MachinePlaysBlack:
8837 case IcsPlayingBlack:
8838 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8840 case MachinePlaysWhite:
8841 case IcsPlayingWhite:
8842 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8844 case TwoMachinesPlay:
8845 if (cps->twoMachinesColor[0] == 'w')
8846 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8848 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8855 } else if (strncmp(message, "checkmate", 9) == 0) {
8856 if (WhiteOnMove(forwardMostMove)) {
8857 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8859 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8862 } else if (strstr(message, "Draw") != NULL ||
8863 strstr(message, "game is a draw") != NULL) {
8864 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8866 } else if (strstr(message, "offer") != NULL &&
8867 strstr(message, "draw") != NULL) {
8869 if (appData.zippyPlay && first.initDone) {
8870 /* Relay offer to ICS */
8871 SendToICS(ics_prefix);
8872 SendToICS("draw\n");
8875 cps->offeredDraw = 2; /* valid until this engine moves twice */
8876 if (gameMode == TwoMachinesPlay) {
8877 if (cps->other->offeredDraw) {
8878 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8879 /* [HGM] in two-machine mode we delay relaying draw offer */
8880 /* until after we also have move, to see if it is really claim */
8882 } else if (gameMode == MachinePlaysWhite ||
8883 gameMode == MachinePlaysBlack) {
8884 if (userOfferedDraw) {
8885 DisplayInformation(_("Machine accepts your draw offer"));
8886 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8888 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8895 * Look for thinking output
8897 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8898 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8900 int plylev, mvleft, mvtot, curscore, time;
8901 char mvname[MOVE_LEN];
8905 int prefixHint = FALSE;
8906 mvname[0] = NULLCHAR;
8909 case MachinePlaysBlack:
8910 case IcsPlayingBlack:
8911 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8913 case MachinePlaysWhite:
8914 case IcsPlayingWhite:
8915 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8920 case IcsObserving: /* [DM] icsEngineAnalyze */
8921 if (!appData.icsEngineAnalyze) ignore = TRUE;
8923 case TwoMachinesPlay:
8924 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8934 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8936 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8937 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8939 if (plyext != ' ' && plyext != '\t') {
8943 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8944 if( cps->scoreIsAbsolute &&
8945 ( gameMode == MachinePlaysBlack ||
8946 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8947 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8948 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8949 !WhiteOnMove(currentMove)
8952 curscore = -curscore;
8955 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8957 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8960 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8961 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8962 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8963 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8964 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8965 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8967 } else DisplayError(_("failed writing PV"), 0);
8970 tempStats.depth = plylev;
8971 tempStats.nodes = nodes;
8972 tempStats.time = time;
8973 tempStats.score = curscore;
8974 tempStats.got_only_move = 0;
8976 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8979 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8980 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8981 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8982 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8983 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8984 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8985 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8986 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8989 /* Buffer overflow protection */
8990 if (pv[0] != NULLCHAR) {
8991 if (strlen(pv) >= sizeof(tempStats.movelist)
8992 && appData.debugMode) {
8994 "PV is too long; using the first %u bytes.\n",
8995 (unsigned) sizeof(tempStats.movelist) - 1);
8998 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9000 sprintf(tempStats.movelist, " no PV\n");
9003 if (tempStats.seen_stat) {
9004 tempStats.ok_to_send = 1;
9007 if (strchr(tempStats.movelist, '(') != NULL) {
9008 tempStats.line_is_book = 1;
9009 tempStats.nr_moves = 0;
9010 tempStats.moves_left = 0;
9012 tempStats.line_is_book = 0;
9015 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9016 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9018 SendProgramStatsToFrontend( cps, &tempStats );
9021 [AS] Protect the thinkOutput buffer from overflow... this
9022 is only useful if buf1 hasn't overflowed first!
9024 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9026 (gameMode == TwoMachinesPlay ?
9027 ToUpper(cps->twoMachinesColor[0]) : ' '),
9028 ((double) curscore) / 100.0,
9029 prefixHint ? lastHint : "",
9030 prefixHint ? " " : "" );
9032 if( buf1[0] != NULLCHAR ) {
9033 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9035 if( strlen(pv) > max_len ) {
9036 if( appData.debugMode) {
9037 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9039 pv[max_len+1] = '\0';
9042 strcat( thinkOutput, pv);
9045 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9046 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9047 DisplayMove(currentMove - 1);
9051 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9052 /* crafty (9.25+) says "(only move) <move>"
9053 * if there is only 1 legal move
9055 sscanf(p, "(only move) %s", buf1);
9056 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9057 sprintf(programStats.movelist, "%s (only move)", buf1);
9058 programStats.depth = 1;
9059 programStats.nr_moves = 1;
9060 programStats.moves_left = 1;
9061 programStats.nodes = 1;
9062 programStats.time = 1;
9063 programStats.got_only_move = 1;
9065 /* Not really, but we also use this member to
9066 mean "line isn't going to change" (Crafty
9067 isn't searching, so stats won't change) */
9068 programStats.line_is_book = 1;
9070 SendProgramStatsToFrontend( cps, &programStats );
9072 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9073 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9074 DisplayMove(currentMove - 1);
9077 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9078 &time, &nodes, &plylev, &mvleft,
9079 &mvtot, mvname) >= 5) {
9080 /* The stat01: line is from Crafty (9.29+) in response
9081 to the "." command */
9082 programStats.seen_stat = 1;
9083 cps->maybeThinking = TRUE;
9085 if (programStats.got_only_move || !appData.periodicUpdates)
9088 programStats.depth = plylev;
9089 programStats.time = time;
9090 programStats.nodes = nodes;
9091 programStats.moves_left = mvleft;
9092 programStats.nr_moves = mvtot;
9093 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9094 programStats.ok_to_send = 1;
9095 programStats.movelist[0] = '\0';
9097 SendProgramStatsToFrontend( cps, &programStats );
9101 } else if (strncmp(message,"++",2) == 0) {
9102 /* Crafty 9.29+ outputs this */
9103 programStats.got_fail = 2;
9106 } else if (strncmp(message,"--",2) == 0) {
9107 /* Crafty 9.29+ outputs this */
9108 programStats.got_fail = 1;
9111 } else if (thinkOutput[0] != NULLCHAR &&
9112 strncmp(message, " ", 4) == 0) {
9113 unsigned message_len;
9116 while (*p && *p == ' ') p++;
9118 message_len = strlen( p );
9120 /* [AS] Avoid buffer overflow */
9121 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9122 strcat(thinkOutput, " ");
9123 strcat(thinkOutput, p);
9126 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9127 strcat(programStats.movelist, " ");
9128 strcat(programStats.movelist, p);
9131 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9132 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9133 DisplayMove(currentMove - 1);
9141 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9142 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9144 ChessProgramStats cpstats;
9146 if (plyext != ' ' && plyext != '\t') {
9150 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9151 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9152 curscore = -curscore;
9155 cpstats.depth = plylev;
9156 cpstats.nodes = nodes;
9157 cpstats.time = time;
9158 cpstats.score = curscore;
9159 cpstats.got_only_move = 0;
9160 cpstats.movelist[0] = '\0';
9162 if (buf1[0] != NULLCHAR) {
9163 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9166 cpstats.ok_to_send = 0;
9167 cpstats.line_is_book = 0;
9168 cpstats.nr_moves = 0;
9169 cpstats.moves_left = 0;
9171 SendProgramStatsToFrontend( cps, &cpstats );
9178 /* Parse a game score from the character string "game", and
9179 record it as the history of the current game. The game
9180 score is NOT assumed to start from the standard position.
9181 The display is not updated in any way.
9184 ParseGameHistory (char *game)
9187 int fromX, fromY, toX, toY, boardIndex;
9192 if (appData.debugMode)
9193 fprintf(debugFP, "Parsing game history: %s\n", game);
9195 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9196 gameInfo.site = StrSave(appData.icsHost);
9197 gameInfo.date = PGNDate();
9198 gameInfo.round = StrSave("-");
9200 /* Parse out names of players */
9201 while (*game == ' ') game++;
9203 while (*game != ' ') *p++ = *game++;
9205 gameInfo.white = StrSave(buf);
9206 while (*game == ' ') game++;
9208 while (*game != ' ' && *game != '\n') *p++ = *game++;
9210 gameInfo.black = StrSave(buf);
9213 boardIndex = blackPlaysFirst ? 1 : 0;
9216 yyboardindex = boardIndex;
9217 moveType = (ChessMove) Myylex();
9219 case IllegalMove: /* maybe suicide chess, etc. */
9220 if (appData.debugMode) {
9221 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9222 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9223 setbuf(debugFP, NULL);
9225 case WhitePromotion:
9226 case BlackPromotion:
9227 case WhiteNonPromotion:
9228 case BlackNonPromotion:
9230 case WhiteCapturesEnPassant:
9231 case BlackCapturesEnPassant:
9232 case WhiteKingSideCastle:
9233 case WhiteQueenSideCastle:
9234 case BlackKingSideCastle:
9235 case BlackQueenSideCastle:
9236 case WhiteKingSideCastleWild:
9237 case WhiteQueenSideCastleWild:
9238 case BlackKingSideCastleWild:
9239 case BlackQueenSideCastleWild:
9241 case WhiteHSideCastleFR:
9242 case WhiteASideCastleFR:
9243 case BlackHSideCastleFR:
9244 case BlackASideCastleFR:
9246 fromX = currentMoveString[0] - AAA;
9247 fromY = currentMoveString[1] - ONE;
9248 toX = currentMoveString[2] - AAA;
9249 toY = currentMoveString[3] - ONE;
9250 promoChar = currentMoveString[4];
9254 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9255 fromX = moveType == WhiteDrop ?
9256 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9257 (int) CharToPiece(ToLower(currentMoveString[0]));
9259 toX = currentMoveString[2] - AAA;
9260 toY = currentMoveString[3] - ONE;
9261 promoChar = NULLCHAR;
9265 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9266 if (appData.debugMode) {
9267 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9268 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9269 setbuf(debugFP, NULL);
9271 DisplayError(buf, 0);
9273 case ImpossibleMove:
9275 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9276 if (appData.debugMode) {
9277 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9278 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9279 setbuf(debugFP, NULL);
9281 DisplayError(buf, 0);
9284 if (boardIndex < backwardMostMove) {
9285 /* Oops, gap. How did that happen? */
9286 DisplayError(_("Gap in move list"), 0);
9289 backwardMostMove = blackPlaysFirst ? 1 : 0;
9290 if (boardIndex > forwardMostMove) {
9291 forwardMostMove = boardIndex;
9295 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9296 strcat(parseList[boardIndex-1], " ");
9297 strcat(parseList[boardIndex-1], yy_text);
9309 case GameUnfinished:
9310 if (gameMode == IcsExamining) {
9311 if (boardIndex < backwardMostMove) {
9312 /* Oops, gap. How did that happen? */
9315 backwardMostMove = blackPlaysFirst ? 1 : 0;
9318 gameInfo.result = moveType;
9319 p = strchr(yy_text, '{');
9320 if (p == NULL) p = strchr(yy_text, '(');
9323 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9325 q = strchr(p, *p == '{' ? '}' : ')');
9326 if (q != NULL) *q = NULLCHAR;
9329 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9330 gameInfo.resultDetails = StrSave(p);
9333 if (boardIndex >= forwardMostMove &&
9334 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9335 backwardMostMove = blackPlaysFirst ? 1 : 0;
9338 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9339 fromY, fromX, toY, toX, promoChar,
9340 parseList[boardIndex]);
9341 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9342 /* currentMoveString is set as a side-effect of yylex */
9343 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9344 strcat(moveList[boardIndex], "\n");
9346 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9347 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9353 if(gameInfo.variant != VariantShogi)
9354 strcat(parseList[boardIndex - 1], "+");
9358 strcat(parseList[boardIndex - 1], "#");
9365 /* Apply a move to the given board */
9367 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9369 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9370 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9372 /* [HGM] compute & store e.p. status and castling rights for new position */
9373 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9375 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9376 oldEP = (signed char)board[EP_STATUS];
9377 board[EP_STATUS] = EP_NONE;
9379 if (fromY == DROP_RANK) {
9381 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9382 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9385 piece = board[toY][toX] = (ChessSquare) fromX;
9389 if( board[toY][toX] != EmptySquare )
9390 board[EP_STATUS] = EP_CAPTURE;
9392 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9393 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9394 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9396 if( board[fromY][fromX] == WhitePawn ) {
9397 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9398 board[EP_STATUS] = EP_PAWN_MOVE;
9400 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9401 gameInfo.variant != VariantBerolina || toX < fromX)
9402 board[EP_STATUS] = toX | berolina;
9403 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9404 gameInfo.variant != VariantBerolina || toX > fromX)
9405 board[EP_STATUS] = toX;
9408 if( board[fromY][fromX] == BlackPawn ) {
9409 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9410 board[EP_STATUS] = EP_PAWN_MOVE;
9411 if( toY-fromY== -2) {
9412 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9413 gameInfo.variant != VariantBerolina || toX < fromX)
9414 board[EP_STATUS] = toX | berolina;
9415 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9416 gameInfo.variant != VariantBerolina || toX > fromX)
9417 board[EP_STATUS] = toX;
9421 for(i=0; i<nrCastlingRights; i++) {
9422 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9423 board[CASTLING][i] == toX && castlingRank[i] == toY
9424 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9427 if(gameInfo.variant == VariantSChess) { // update virginity
9428 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9429 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9430 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9431 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9434 if (fromX == toX && fromY == toY) return;
9436 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9437 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9438 if(gameInfo.variant == VariantKnightmate)
9439 king += (int) WhiteUnicorn - (int) WhiteKing;
9441 /* Code added by Tord: */
9442 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9443 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9444 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9445 board[fromY][fromX] = EmptySquare;
9446 board[toY][toX] = EmptySquare;
9447 if((toX > fromX) != (piece == WhiteRook)) {
9448 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9450 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9452 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9453 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9454 board[fromY][fromX] = EmptySquare;
9455 board[toY][toX] = EmptySquare;
9456 if((toX > fromX) != (piece == BlackRook)) {
9457 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9459 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9461 /* End of code added by Tord */
9463 } else if (board[fromY][fromX] == king
9464 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9465 && toY == fromY && toX > fromX+1) {
9466 board[fromY][fromX] = EmptySquare;
9467 board[toY][toX] = king;
9468 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9469 board[fromY][BOARD_RGHT-1] = EmptySquare;
9470 } else if (board[fromY][fromX] == king
9471 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9472 && toY == fromY && toX < fromX-1) {
9473 board[fromY][fromX] = EmptySquare;
9474 board[toY][toX] = king;
9475 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9476 board[fromY][BOARD_LEFT] = EmptySquare;
9477 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9478 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9479 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9481 /* white pawn promotion */
9482 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9483 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9484 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9485 board[fromY][fromX] = EmptySquare;
9486 } else if ((fromY >= BOARD_HEIGHT>>1)
9487 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9489 && gameInfo.variant != VariantXiangqi
9490 && gameInfo.variant != VariantBerolina
9491 && (board[fromY][fromX] == WhitePawn)
9492 && (board[toY][toX] == EmptySquare)) {
9493 board[fromY][fromX] = EmptySquare;
9494 board[toY][toX] = WhitePawn;
9495 captured = board[toY - 1][toX];
9496 board[toY - 1][toX] = EmptySquare;
9497 } else if ((fromY == BOARD_HEIGHT-4)
9499 && gameInfo.variant == VariantBerolina
9500 && (board[fromY][fromX] == WhitePawn)
9501 && (board[toY][toX] == EmptySquare)) {
9502 board[fromY][fromX] = EmptySquare;
9503 board[toY][toX] = WhitePawn;
9504 if(oldEP & EP_BEROLIN_A) {
9505 captured = board[fromY][fromX-1];
9506 board[fromY][fromX-1] = EmptySquare;
9507 }else{ captured = board[fromY][fromX+1];
9508 board[fromY][fromX+1] = EmptySquare;
9510 } else if (board[fromY][fromX] == king
9511 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9512 && toY == fromY && toX > fromX+1) {
9513 board[fromY][fromX] = EmptySquare;
9514 board[toY][toX] = king;
9515 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9516 board[fromY][BOARD_RGHT-1] = EmptySquare;
9517 } else if (board[fromY][fromX] == king
9518 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9519 && toY == fromY && toX < fromX-1) {
9520 board[fromY][fromX] = EmptySquare;
9521 board[toY][toX] = king;
9522 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9523 board[fromY][BOARD_LEFT] = EmptySquare;
9524 } else if (fromY == 7 && fromX == 3
9525 && board[fromY][fromX] == BlackKing
9526 && toY == 7 && toX == 5) {
9527 board[fromY][fromX] = EmptySquare;
9528 board[toY][toX] = BlackKing;
9529 board[fromY][7] = EmptySquare;
9530 board[toY][4] = BlackRook;
9531 } else if (fromY == 7 && fromX == 3
9532 && board[fromY][fromX] == BlackKing
9533 && toY == 7 && toX == 1) {
9534 board[fromY][fromX] = EmptySquare;
9535 board[toY][toX] = BlackKing;
9536 board[fromY][0] = EmptySquare;
9537 board[toY][2] = BlackRook;
9538 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9539 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9540 && toY < promoRank && promoChar
9542 /* black pawn promotion */
9543 board[toY][toX] = CharToPiece(ToLower(promoChar));
9544 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9545 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9546 board[fromY][fromX] = EmptySquare;
9547 } else if ((fromY < BOARD_HEIGHT>>1)
9548 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9550 && gameInfo.variant != VariantXiangqi
9551 && gameInfo.variant != VariantBerolina
9552 && (board[fromY][fromX] == BlackPawn)
9553 && (board[toY][toX] == EmptySquare)) {
9554 board[fromY][fromX] = EmptySquare;
9555 board[toY][toX] = BlackPawn;
9556 captured = board[toY + 1][toX];
9557 board[toY + 1][toX] = EmptySquare;
9558 } else if ((fromY == 3)
9560 && gameInfo.variant == VariantBerolina
9561 && (board[fromY][fromX] == BlackPawn)
9562 && (board[toY][toX] == EmptySquare)) {
9563 board[fromY][fromX] = EmptySquare;
9564 board[toY][toX] = BlackPawn;
9565 if(oldEP & EP_BEROLIN_A) {
9566 captured = board[fromY][fromX-1];
9567 board[fromY][fromX-1] = EmptySquare;
9568 }else{ captured = board[fromY][fromX+1];
9569 board[fromY][fromX+1] = EmptySquare;
9572 board[toY][toX] = board[fromY][fromX];
9573 board[fromY][fromX] = EmptySquare;
9577 if (gameInfo.holdingsWidth != 0) {
9579 /* !!A lot more code needs to be written to support holdings */
9580 /* [HGM] OK, so I have written it. Holdings are stored in the */
9581 /* penultimate board files, so they are automaticlly stored */
9582 /* in the game history. */
9583 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9584 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9585 /* Delete from holdings, by decreasing count */
9586 /* and erasing image if necessary */
9587 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9588 if(p < (int) BlackPawn) { /* white drop */
9589 p -= (int)WhitePawn;
9590 p = PieceToNumber((ChessSquare)p);
9591 if(p >= gameInfo.holdingsSize) p = 0;
9592 if(--board[p][BOARD_WIDTH-2] <= 0)
9593 board[p][BOARD_WIDTH-1] = EmptySquare;
9594 if((int)board[p][BOARD_WIDTH-2] < 0)
9595 board[p][BOARD_WIDTH-2] = 0;
9596 } else { /* black drop */
9597 p -= (int)BlackPawn;
9598 p = PieceToNumber((ChessSquare)p);
9599 if(p >= gameInfo.holdingsSize) p = 0;
9600 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9601 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9602 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9603 board[BOARD_HEIGHT-1-p][1] = 0;
9606 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9607 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9608 /* [HGM] holdings: Add to holdings, if holdings exist */
9609 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9610 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9611 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9614 if (p >= (int) BlackPawn) {
9615 p -= (int)BlackPawn;
9616 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9617 /* in Shogi restore piece to its original first */
9618 captured = (ChessSquare) (DEMOTED captured);
9621 p = PieceToNumber((ChessSquare)p);
9622 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9623 board[p][BOARD_WIDTH-2]++;
9624 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9626 p -= (int)WhitePawn;
9627 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9628 captured = (ChessSquare) (DEMOTED captured);
9631 p = PieceToNumber((ChessSquare)p);
9632 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9633 board[BOARD_HEIGHT-1-p][1]++;
9634 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9637 } else if (gameInfo.variant == VariantAtomic) {
9638 if (captured != EmptySquare) {
9640 for (y = toY-1; y <= toY+1; y++) {
9641 for (x = toX-1; x <= toX+1; x++) {
9642 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9643 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9644 board[y][x] = EmptySquare;
9648 board[toY][toX] = EmptySquare;
9651 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9652 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9654 if(promoChar == '+') {
9655 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9656 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9657 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9658 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9659 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9660 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9661 board[toY][toX] = newPiece;
9663 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9664 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9665 // [HGM] superchess: take promotion piece out of holdings
9666 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9667 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9668 if(!--board[k][BOARD_WIDTH-2])
9669 board[k][BOARD_WIDTH-1] = EmptySquare;
9671 if(!--board[BOARD_HEIGHT-1-k][1])
9672 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9678 /* Updates forwardMostMove */
9680 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9682 // forwardMostMove++; // [HGM] bare: moved downstream
9684 (void) CoordsToAlgebraic(boards[forwardMostMove],
9685 PosFlags(forwardMostMove),
9686 fromY, fromX, toY, toX, promoChar,
9687 parseList[forwardMostMove]);
9689 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9690 int timeLeft; static int lastLoadFlag=0; int king, piece;
9691 piece = boards[forwardMostMove][fromY][fromX];
9692 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9693 if(gameInfo.variant == VariantKnightmate)
9694 king += (int) WhiteUnicorn - (int) WhiteKing;
9695 if(forwardMostMove == 0) {
9696 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9697 fprintf(serverMoves, "%s;", UserName());
9698 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9699 fprintf(serverMoves, "%s;", second.tidy);
9700 fprintf(serverMoves, "%s;", first.tidy);
9701 if(gameMode == MachinePlaysWhite)
9702 fprintf(serverMoves, "%s;", UserName());
9703 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9704 fprintf(serverMoves, "%s;", second.tidy);
9705 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9706 lastLoadFlag = loadFlag;
9708 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9709 // print castling suffix
9710 if( toY == fromY && piece == king ) {
9712 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9714 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9717 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9718 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9719 boards[forwardMostMove][toY][toX] == EmptySquare
9720 && fromX != toX && fromY != toY)
9721 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9723 if(promoChar != NULLCHAR) {
9724 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
9725 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
9726 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
9727 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9730 char buf[MOVE_LEN*2], *p; int len;
9731 fprintf(serverMoves, "/%d/%d",
9732 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9733 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9734 else timeLeft = blackTimeRemaining/1000;
9735 fprintf(serverMoves, "/%d", timeLeft);
9736 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9737 if(p = strchr(buf, '/')) *p = NULLCHAR; else
9738 if(p = strchr(buf, '=')) *p = NULLCHAR;
9739 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9740 fprintf(serverMoves, "/%s", buf);
9742 fflush(serverMoves);
9745 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9746 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9749 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9750 if (commentList[forwardMostMove+1] != NULL) {
9751 free(commentList[forwardMostMove+1]);
9752 commentList[forwardMostMove+1] = NULL;
9754 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9755 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9756 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9757 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9758 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9759 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9760 adjustedClock = FALSE;
9761 gameInfo.result = GameUnfinished;
9762 if (gameInfo.resultDetails != NULL) {
9763 free(gameInfo.resultDetails);
9764 gameInfo.resultDetails = NULL;
9766 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9767 moveList[forwardMostMove - 1]);
9768 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9774 if(gameInfo.variant != VariantShogi)
9775 strcat(parseList[forwardMostMove - 1], "+");
9779 strcat(parseList[forwardMostMove - 1], "#");
9785 /* Updates currentMove if not pausing */
9787 ShowMove (int fromX, int fromY, int toX, int toY)
9789 int instant = (gameMode == PlayFromGameFile) ?
9790 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9791 if(appData.noGUI) return;
9792 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9794 if (forwardMostMove == currentMove + 1) {
9795 AnimateMove(boards[forwardMostMove - 1],
9796 fromX, fromY, toX, toY);
9799 currentMove = forwardMostMove;
9802 if (instant) return;
9804 DisplayMove(currentMove - 1);
9805 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9806 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
9807 SetHighlights(fromX, fromY, toX, toY);
9810 DrawPosition(FALSE, boards[currentMove]);
9811 DisplayBothClocks();
9812 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9816 SendEgtPath (ChessProgramState *cps)
9817 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9818 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9820 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9823 char c, *q = name+1, *r, *s;
9825 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9826 while(*p && *p != ',') *q++ = *p++;
9828 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9829 strcmp(name, ",nalimov:") == 0 ) {
9830 // take nalimov path from the menu-changeable option first, if it is defined
9831 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9832 SendToProgram(buf,cps); // send egtbpath command for nalimov
9834 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9835 (s = StrStr(appData.egtFormats, name)) != NULL) {
9836 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9837 s = r = StrStr(s, ":") + 1; // beginning of path info
9838 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9839 c = *r; *r = 0; // temporarily null-terminate path info
9840 *--q = 0; // strip of trailig ':' from name
9841 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9843 SendToProgram(buf,cps); // send egtbpath command for this format
9845 if(*p == ',') p++; // read away comma to position for next format name
9850 InitChessProgram (ChessProgramState *cps, int setup)
9851 /* setup needed to setup FRC opening position */
9853 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9854 if (appData.noChessProgram) return;
9855 hintRequested = FALSE;
9856 bookRequested = FALSE;
9858 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9859 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9860 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9861 if(cps->memSize) { /* [HGM] memory */
9862 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9863 SendToProgram(buf, cps);
9865 SendEgtPath(cps); /* [HGM] EGT */
9866 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9867 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9868 SendToProgram(buf, cps);
9871 SendToProgram(cps->initString, cps);
9872 if (gameInfo.variant != VariantNormal &&
9873 gameInfo.variant != VariantLoadable
9874 /* [HGM] also send variant if board size non-standard */
9875 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9877 char *v = VariantName(gameInfo.variant);
9878 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9879 /* [HGM] in protocol 1 we have to assume all variants valid */
9880 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9881 DisplayFatalError(buf, 0, 1);
9885 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9886 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9887 if( gameInfo.variant == VariantXiangqi )
9888 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9889 if( gameInfo.variant == VariantShogi )
9890 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9891 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9892 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9893 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9894 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9895 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9896 if( gameInfo.variant == VariantCourier )
9897 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9898 if( gameInfo.variant == VariantSuper )
9899 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9900 if( gameInfo.variant == VariantGreat )
9901 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9902 if( gameInfo.variant == VariantSChess )
9903 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9904 if( gameInfo.variant == VariantGrand )
9905 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9908 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9909 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9910 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9911 if(StrStr(cps->variants, b) == NULL) {
9912 // specific sized variant not known, check if general sizing allowed
9913 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9914 if(StrStr(cps->variants, "boardsize") == NULL) {
9915 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9916 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9917 DisplayFatalError(buf, 0, 1);
9920 /* [HGM] here we really should compare with the maximum supported board size */
9923 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9924 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9925 SendToProgram(buf, cps);
9927 currentlyInitializedVariant = gameInfo.variant;
9929 /* [HGM] send opening position in FRC to first engine */
9931 SendToProgram("force\n", cps);
9933 /* engine is now in force mode! Set flag to wake it up after first move. */
9934 setboardSpoiledMachineBlack = 1;
9938 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9939 SendToProgram(buf, cps);
9941 cps->maybeThinking = FALSE;
9942 cps->offeredDraw = 0;
9943 if (!appData.icsActive) {
9944 SendTimeControl(cps, movesPerSession, timeControl,
9945 timeIncrement, appData.searchDepth,
9948 if (appData.showThinking
9949 // [HGM] thinking: four options require thinking output to be sent
9950 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9952 SendToProgram("post\n", cps);
9954 SendToProgram("hard\n", cps);
9955 if (!appData.ponderNextMove) {
9956 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9957 it without being sure what state we are in first. "hard"
9958 is not a toggle, so that one is OK.
9960 SendToProgram("easy\n", cps);
9963 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9964 SendToProgram(buf, cps);
9966 cps->initDone = TRUE;
9967 ClearEngineOutputPane(cps == &second);
9972 ResendOptions (ChessProgramState *cps)
9973 { // send the stored value of the options
9976 Option *opt = cps->option;
9977 for(i=0; i<cps->nrOptions; i++, opt++) {
9982 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
9985 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
9988 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
9994 SendToProgram(buf, cps);
9999 StartChessProgram (ChessProgramState *cps)
10004 if (appData.noChessProgram) return;
10005 cps->initDone = FALSE;
10007 if (strcmp(cps->host, "localhost") == 0) {
10008 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10009 } else if (*appData.remoteShell == NULLCHAR) {
10010 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10012 if (*appData.remoteUser == NULLCHAR) {
10013 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10016 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10017 cps->host, appData.remoteUser, cps->program);
10019 err = StartChildProcess(buf, "", &cps->pr);
10023 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10024 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10025 if(cps != &first) return;
10026 appData.noChessProgram = TRUE;
10029 // DisplayFatalError(buf, err, 1);
10030 // cps->pr = NoProc;
10031 // cps->isr = NULL;
10035 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10036 if (cps->protocolVersion > 1) {
10037 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10038 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10039 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10040 cps->comboCnt = 0; // and values of combo boxes
10042 SendToProgram(buf, cps);
10043 if(cps->reload) ResendOptions(cps);
10045 SendToProgram("xboard\n", cps);
10050 TwoMachinesEventIfReady P((void))
10052 static int curMess = 0;
10053 if (first.lastPing != first.lastPong) {
10054 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10055 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10058 if (second.lastPing != second.lastPong) {
10059 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10060 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10063 DisplayMessage("", ""); curMess = 0;
10064 TwoMachinesEvent();
10068 MakeName (char *template)
10072 static char buf[MSG_SIZ];
10076 clock = time((time_t *)NULL);
10077 tm = localtime(&clock);
10079 while(*p++ = *template++) if(p[-1] == '%') {
10080 switch(*template++) {
10081 case 0: *p = 0; return buf;
10082 case 'Y': i = tm->tm_year+1900; break;
10083 case 'y': i = tm->tm_year-100; break;
10084 case 'M': i = tm->tm_mon+1; break;
10085 case 'd': i = tm->tm_mday; break;
10086 case 'h': i = tm->tm_hour; break;
10087 case 'm': i = tm->tm_min; break;
10088 case 's': i = tm->tm_sec; break;
10091 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10097 CountPlayers (char *p)
10100 while(p = strchr(p, '\n')) p++, n++; // count participants
10105 WriteTourneyFile (char *results, FILE *f)
10106 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10107 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10108 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10109 // create a file with tournament description
10110 fprintf(f, "-participants {%s}\n", appData.participants);
10111 fprintf(f, "-seedBase %d\n", appData.seedBase);
10112 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10113 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10114 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10115 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10116 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10117 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10118 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10119 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10120 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10121 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10122 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10123 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10124 fprintf(f, "-polyglotBook %s\n", appData.polyglotBook);
10125 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10126 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10127 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10128 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10129 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10130 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10131 fprintf(f, "-smpCores %d\n", appData.smpCores);
10133 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10135 fprintf(f, "-mps %d\n", appData.movesPerSession);
10136 fprintf(f, "-tc %s\n", appData.timeControl);
10137 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10139 fprintf(f, "-results \"%s\"\n", results);
10144 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10147 Substitute (char *participants, int expunge)
10149 int i, changed, changes=0, nPlayers=0;
10150 char *p, *q, *r, buf[MSG_SIZ];
10151 if(participants == NULL) return;
10152 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10153 r = p = participants; q = appData.participants;
10154 while(*p && *p == *q) {
10155 if(*p == '\n') r = p+1, nPlayers++;
10158 if(*p) { // difference
10159 while(*p && *p++ != '\n');
10160 while(*q && *q++ != '\n');
10161 changed = nPlayers;
10162 changes = 1 + (strcmp(p, q) != 0);
10164 if(changes == 1) { // a single engine mnemonic was changed
10165 q = r; while(*q) nPlayers += (*q++ == '\n');
10166 p = buf; while(*r && (*p = *r++) != '\n') p++;
10168 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10169 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10170 if(mnemonic[i]) { // The substitute is valid
10172 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10173 flock(fileno(f), LOCK_EX);
10174 ParseArgsFromFile(f);
10175 fseek(f, 0, SEEK_SET);
10176 FREE(appData.participants); appData.participants = participants;
10177 if(expunge) { // erase results of replaced engine
10178 int len = strlen(appData.results), w, b, dummy;
10179 for(i=0; i<len; i++) {
10180 Pairing(i, nPlayers, &w, &b, &dummy);
10181 if((w == changed || b == changed) && appData.results[i] == '*') {
10182 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10187 for(i=0; i<len; i++) {
10188 Pairing(i, nPlayers, &w, &b, &dummy);
10189 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10192 WriteTourneyFile(appData.results, f);
10193 fclose(f); // release lock
10196 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10198 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10199 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10200 free(participants);
10205 CheckPlayers (char *participants)
10208 char buf[MSG_SIZ], *p;
10209 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10210 while(p = strchr(participants, '\n')) {
10212 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10214 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10216 DisplayError(buf, 0);
10220 participants = p + 1;
10226 CreateTourney (char *name)
10229 if(matchMode && strcmp(name, appData.tourneyFile)) {
10230 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10232 if(name[0] == NULLCHAR) {
10233 if(appData.participants[0])
10234 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10237 f = fopen(name, "r");
10238 if(f) { // file exists
10239 ASSIGN(appData.tourneyFile, name);
10240 ParseArgsFromFile(f); // parse it
10242 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10243 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10244 DisplayError(_("Not enough participants"), 0);
10247 if(CheckPlayers(appData.participants)) return 0;
10248 ASSIGN(appData.tourneyFile, name);
10249 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10250 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10253 appData.noChessProgram = FALSE;
10254 appData.clockMode = TRUE;
10260 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10262 char buf[MSG_SIZ], *p, *q;
10263 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10264 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10265 skip = !all && group[0]; // if group requested, we start in skip mode
10266 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10267 p = names; q = buf; header = 0;
10268 while(*p && *p != '\n') *q++ = *p++;
10270 if(*p == '\n') p++;
10271 if(buf[0] == '#') {
10272 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10273 depth++; // we must be entering a new group
10274 if(all) continue; // suppress printing group headers when complete list requested
10276 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10278 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10279 if(engineList[i]) free(engineList[i]);
10280 engineList[i] = strdup(buf);
10281 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10282 if(engineMnemonic[i]) free(engineMnemonic[i]);
10283 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10285 sscanf(q + 8, "%s", buf + strlen(buf));
10288 engineMnemonic[i] = strdup(buf);
10291 engineList[i] = engineMnemonic[i] = NULL;
10295 // following implemented as macro to avoid type limitations
10296 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10299 SwapEngines (int n)
10300 { // swap settings for first engine and other engine (so far only some selected options)
10305 SWAP(chessProgram, p)
10307 SWAP(hasOwnBookUCI, h)
10308 SWAP(protocolVersion, h)
10310 SWAP(scoreIsAbsolute, h)
10315 SWAP(engOptions, p)
10316 SWAP(engInitString, p)
10317 SWAP(computerString, p)
10319 SWAP(fenOverride, p)
10321 SWAP(accumulateTC, h)
10326 GetEngineLine (char *s, int n)
10330 extern char *icsNames;
10331 if(!s || !*s) return 0;
10332 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10333 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10334 if(!mnemonic[i]) return 0;
10335 if(n == 11) return 1; // just testing if there was a match
10336 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10337 if(n == 1) SwapEngines(n);
10338 ParseArgsFromString(buf);
10339 if(n == 1) SwapEngines(n);
10340 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10341 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10342 ParseArgsFromString(buf);
10348 SetPlayer (int player, char *p)
10349 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10351 char buf[MSG_SIZ], *engineName;
10352 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10353 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10354 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10356 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10357 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10358 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10359 ParseArgsFromString(buf);
10360 } else { // no engine with this nickname is installed!
10361 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10362 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10363 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10365 DisplayError(buf, 0);
10372 char *recentEngines;
10375 RecentEngineEvent (int nr)
10378 // SwapEngines(1); // bump first to second
10379 // ReplaceEngine(&second, 1); // and load it there
10380 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10381 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10382 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10383 ReplaceEngine(&first, 0);
10384 FloatToFront(&appData.recentEngineList, command[n]);
10389 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10390 { // determine players from game number
10391 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10393 if(appData.tourneyType == 0) {
10394 roundsPerCycle = (nPlayers - 1) | 1;
10395 pairingsPerRound = nPlayers / 2;
10396 } else if(appData.tourneyType > 0) {
10397 roundsPerCycle = nPlayers - appData.tourneyType;
10398 pairingsPerRound = appData.tourneyType;
10400 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10401 gamesPerCycle = gamesPerRound * roundsPerCycle;
10402 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10403 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10404 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10405 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10406 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10407 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10409 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10410 if(appData.roundSync) *syncInterval = gamesPerRound;
10412 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10414 if(appData.tourneyType == 0) {
10415 if(curPairing == (nPlayers-1)/2 ) {
10416 *whitePlayer = curRound;
10417 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10419 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10420 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10421 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10422 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10424 } else if(appData.tourneyType > 1) {
10425 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10426 *whitePlayer = curRound + appData.tourneyType;
10427 } else if(appData.tourneyType > 0) {
10428 *whitePlayer = curPairing;
10429 *blackPlayer = curRound + appData.tourneyType;
10432 // take care of white/black alternation per round.
10433 // For cycles and games this is already taken care of by default, derived from matchGame!
10434 return curRound & 1;
10438 NextTourneyGame (int nr, int *swapColors)
10439 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10441 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10443 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10444 tf = fopen(appData.tourneyFile, "r");
10445 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10446 ParseArgsFromFile(tf); fclose(tf);
10447 InitTimeControls(); // TC might be altered from tourney file
10449 nPlayers = CountPlayers(appData.participants); // count participants
10450 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10451 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10454 p = q = appData.results;
10455 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10456 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10457 DisplayMessage(_("Waiting for other game(s)"),"");
10458 waitingForGame = TRUE;
10459 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10462 waitingForGame = FALSE;
10465 if(appData.tourneyType < 0) {
10466 if(nr>=0 && !pairingReceived) {
10468 if(pairing.pr == NoProc) {
10469 if(!appData.pairingEngine[0]) {
10470 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10473 StartChessProgram(&pairing); // starts the pairing engine
10475 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10476 SendToProgram(buf, &pairing);
10477 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10478 SendToProgram(buf, &pairing);
10479 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10481 pairingReceived = 0; // ... so we continue here
10483 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10484 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10485 matchGame = 1; roundNr = nr / syncInterval + 1;
10488 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10490 // redefine engines, engine dir, etc.
10491 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10492 if(first.pr == NoProc) {
10493 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
10494 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10496 if(second.pr == NoProc) {
10498 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
10499 SwapEngines(1); // and make that valid for second engine by swapping
10500 InitEngine(&second, 1);
10502 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10503 UpdateLogos(FALSE); // leave display to ModeHiglight()
10509 { // performs game initialization that does not invoke engines, and then tries to start the game
10510 int res, firstWhite, swapColors = 0;
10511 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10512 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
10514 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10515 if(strcmp(buf, currentDebugFile)) { // name has changed
10516 FILE *f = fopen(buf, "w");
10517 if(f) { // if opening the new file failed, just keep using the old one
10518 ASSIGN(currentDebugFile, buf);
10522 if(appData.serverFileName) {
10523 if(serverFP) fclose(serverFP);
10524 serverFP = fopen(appData.serverFileName, "w");
10525 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10526 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10530 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10531 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10532 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10533 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10534 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10535 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10536 Reset(FALSE, first.pr != NoProc);
10537 res = LoadGameOrPosition(matchGame); // setup game
10538 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10539 if(!res) return; // abort when bad game/pos file
10540 TwoMachinesEvent();
10544 UserAdjudicationEvent (int result)
10546 ChessMove gameResult = GameIsDrawn;
10549 gameResult = WhiteWins;
10551 else if( result < 0 ) {
10552 gameResult = BlackWins;
10555 if( gameMode == TwoMachinesPlay ) {
10556 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10561 // [HGM] save: calculate checksum of game to make games easily identifiable
10563 StringCheckSum (char *s)
10566 if(s==NULL) return 0;
10567 while(*s) i = i*259 + *s++;
10575 for(i=backwardMostMove; i<forwardMostMove; i++) {
10576 sum += pvInfoList[i].depth;
10577 sum += StringCheckSum(parseList[i]);
10578 sum += StringCheckSum(commentList[i]);
10581 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10582 return sum + StringCheckSum(commentList[i]);
10583 } // end of save patch
10586 GameEnds (ChessMove result, char *resultDetails, int whosays)
10588 GameMode nextGameMode;
10590 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10592 if(endingGame) return; /* [HGM] crash: forbid recursion */
10594 if(twoBoards) { // [HGM] dual: switch back to one board
10595 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10596 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10598 if (appData.debugMode) {
10599 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10600 result, resultDetails ? resultDetails : "(null)", whosays);
10603 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10605 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
10607 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10608 /* If we are playing on ICS, the server decides when the
10609 game is over, but the engine can offer to draw, claim
10613 if (appData.zippyPlay && first.initDone) {
10614 if (result == GameIsDrawn) {
10615 /* In case draw still needs to be claimed */
10616 SendToICS(ics_prefix);
10617 SendToICS("draw\n");
10618 } else if (StrCaseStr(resultDetails, "resign")) {
10619 SendToICS(ics_prefix);
10620 SendToICS("resign\n");
10624 endingGame = 0; /* [HGM] crash */
10628 /* If we're loading the game from a file, stop */
10629 if (whosays == GE_FILE) {
10630 (void) StopLoadGameTimer();
10634 /* Cancel draw offers */
10635 first.offeredDraw = second.offeredDraw = 0;
10637 /* If this is an ICS game, only ICS can really say it's done;
10638 if not, anyone can. */
10639 isIcsGame = (gameMode == IcsPlayingWhite ||
10640 gameMode == IcsPlayingBlack ||
10641 gameMode == IcsObserving ||
10642 gameMode == IcsExamining);
10644 if (!isIcsGame || whosays == GE_ICS) {
10645 /* OK -- not an ICS game, or ICS said it was done */
10647 if (!isIcsGame && !appData.noChessProgram)
10648 SetUserThinkingEnables();
10650 /* [HGM] if a machine claims the game end we verify this claim */
10651 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10652 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10654 ChessMove trueResult = (ChessMove) -1;
10656 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10657 first.twoMachinesColor[0] :
10658 second.twoMachinesColor[0] ;
10660 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10661 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10662 /* [HGM] verify: engine mate claims accepted if they were flagged */
10663 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10665 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10666 /* [HGM] verify: engine mate claims accepted if they were flagged */
10667 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10669 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10670 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10673 // now verify win claims, but not in drop games, as we don't understand those yet
10674 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10675 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10676 (result == WhiteWins && claimer == 'w' ||
10677 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10678 if (appData.debugMode) {
10679 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10680 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10682 if(result != trueResult) {
10683 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10684 result = claimer == 'w' ? BlackWins : WhiteWins;
10685 resultDetails = buf;
10688 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10689 && (forwardMostMove <= backwardMostMove ||
10690 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10691 (claimer=='b')==(forwardMostMove&1))
10693 /* [HGM] verify: draws that were not flagged are false claims */
10694 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10695 result = claimer == 'w' ? BlackWins : WhiteWins;
10696 resultDetails = buf;
10698 /* (Claiming a loss is accepted no questions asked!) */
10699 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
10700 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
10701 result = GameUnfinished;
10702 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
10704 /* [HGM] bare: don't allow bare King to win */
10705 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10706 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10707 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10708 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10709 && result != GameIsDrawn)
10710 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10711 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10712 int p = (signed char)boards[forwardMostMove][i][j] - color;
10713 if(p >= 0 && p <= (int)WhiteKing) k++;
10715 if (appData.debugMode) {
10716 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10717 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10720 result = GameIsDrawn;
10721 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10722 resultDetails = buf;
10728 if(serverMoves != NULL && !loadFlag) { char c = '=';
10729 if(result==WhiteWins) c = '+';
10730 if(result==BlackWins) c = '-';
10731 if(resultDetails != NULL)
10732 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10734 if (resultDetails != NULL) {
10735 gameInfo.result = result;
10736 gameInfo.resultDetails = StrSave(resultDetails);
10738 /* display last move only if game was not loaded from file */
10739 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10740 DisplayMove(currentMove - 1);
10742 if (forwardMostMove != 0) {
10743 if (gameMode != PlayFromGameFile && gameMode != EditGame
10744 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10746 if (*appData.saveGameFile != NULLCHAR) {
10747 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
10748 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
10750 SaveGameToFile(appData.saveGameFile, TRUE);
10751 } else if (appData.autoSaveGames) {
10754 if (*appData.savePositionFile != NULLCHAR) {
10755 SavePositionToFile(appData.savePositionFile);
10757 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
10761 /* Tell program how game ended in case it is learning */
10762 /* [HGM] Moved this to after saving the PGN, just in case */
10763 /* engine died and we got here through time loss. In that */
10764 /* case we will get a fatal error writing the pipe, which */
10765 /* would otherwise lose us the PGN. */
10766 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10767 /* output during GameEnds should never be fatal anymore */
10768 if (gameMode == MachinePlaysWhite ||
10769 gameMode == MachinePlaysBlack ||
10770 gameMode == TwoMachinesPlay ||
10771 gameMode == IcsPlayingWhite ||
10772 gameMode == IcsPlayingBlack ||
10773 gameMode == BeginningOfGame) {
10775 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10777 if (first.pr != NoProc) {
10778 SendToProgram(buf, &first);
10780 if (second.pr != NoProc &&
10781 gameMode == TwoMachinesPlay) {
10782 SendToProgram(buf, &second);
10787 if (appData.icsActive) {
10788 if (appData.quietPlay &&
10789 (gameMode == IcsPlayingWhite ||
10790 gameMode == IcsPlayingBlack)) {
10791 SendToICS(ics_prefix);
10792 SendToICS("set shout 1\n");
10794 nextGameMode = IcsIdle;
10795 ics_user_moved = FALSE;
10796 /* clean up premove. It's ugly when the game has ended and the
10797 * premove highlights are still on the board.
10800 gotPremove = FALSE;
10801 ClearPremoveHighlights();
10802 DrawPosition(FALSE, boards[currentMove]);
10804 if (whosays == GE_ICS) {
10807 if (gameMode == IcsPlayingWhite)
10809 else if(gameMode == IcsPlayingBlack)
10810 PlayIcsLossSound();
10813 if (gameMode == IcsPlayingBlack)
10815 else if(gameMode == IcsPlayingWhite)
10816 PlayIcsLossSound();
10819 PlayIcsDrawSound();
10822 PlayIcsUnfinishedSound();
10825 } else if (gameMode == EditGame ||
10826 gameMode == PlayFromGameFile ||
10827 gameMode == AnalyzeMode ||
10828 gameMode == AnalyzeFile) {
10829 nextGameMode = gameMode;
10831 nextGameMode = EndOfGame;
10836 nextGameMode = gameMode;
10839 if (appData.noChessProgram) {
10840 gameMode = nextGameMode;
10842 endingGame = 0; /* [HGM] crash */
10847 /* Put first chess program into idle state */
10848 if (first.pr != NoProc &&
10849 (gameMode == MachinePlaysWhite ||
10850 gameMode == MachinePlaysBlack ||
10851 gameMode == TwoMachinesPlay ||
10852 gameMode == IcsPlayingWhite ||
10853 gameMode == IcsPlayingBlack ||
10854 gameMode == BeginningOfGame)) {
10855 SendToProgram("force\n", &first);
10856 if (first.usePing) {
10858 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10859 SendToProgram(buf, &first);
10862 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10863 /* Kill off first chess program */
10864 if (first.isr != NULL)
10865 RemoveInputSource(first.isr);
10868 if (first.pr != NoProc) {
10870 DoSleep( appData.delayBeforeQuit );
10871 SendToProgram("quit\n", &first);
10872 DoSleep( appData.delayAfterQuit );
10873 DestroyChildProcess(first.pr, first.useSigterm);
10874 first.reload = TRUE;
10878 if (second.reuse) {
10879 /* Put second chess program into idle state */
10880 if (second.pr != NoProc &&
10881 gameMode == TwoMachinesPlay) {
10882 SendToProgram("force\n", &second);
10883 if (second.usePing) {
10885 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10886 SendToProgram(buf, &second);
10889 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10890 /* Kill off second chess program */
10891 if (second.isr != NULL)
10892 RemoveInputSource(second.isr);
10895 if (second.pr != NoProc) {
10896 DoSleep( appData.delayBeforeQuit );
10897 SendToProgram("quit\n", &second);
10898 DoSleep( appData.delayAfterQuit );
10899 DestroyChildProcess(second.pr, second.useSigterm);
10900 second.reload = TRUE;
10902 second.pr = NoProc;
10905 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
10906 char resChar = '=';
10910 if (first.twoMachinesColor[0] == 'w') {
10913 second.matchWins++;
10918 if (first.twoMachinesColor[0] == 'b') {
10921 second.matchWins++;
10924 case GameUnfinished:
10930 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10931 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10932 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10933 ReserveGame(nextGame, resChar); // sets nextGame
10934 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10935 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10936 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10938 if (nextGame <= appData.matchGames && !abortMatch) {
10939 gameMode = nextGameMode;
10940 matchGame = nextGame; // this will be overruled in tourney mode!
10941 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10942 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10943 endingGame = 0; /* [HGM] crash */
10946 gameMode = nextGameMode;
10947 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10948 first.tidy, second.tidy,
10949 first.matchWins, second.matchWins,
10950 appData.matchGames - (first.matchWins + second.matchWins));
10951 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10952 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10953 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10954 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10955 first.twoMachinesColor = "black\n";
10956 second.twoMachinesColor = "white\n";
10958 first.twoMachinesColor = "white\n";
10959 second.twoMachinesColor = "black\n";
10963 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10964 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10966 gameMode = nextGameMode;
10968 endingGame = 0; /* [HGM] crash */
10969 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10970 if(matchMode == TRUE) { // match through command line: exit with or without popup
10972 ToNrEvent(forwardMostMove);
10973 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10975 } else DisplayFatalError(buf, 0, 0);
10976 } else { // match through menu; just stop, with or without popup
10977 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10980 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10981 } else DisplayNote(buf);
10983 if(ranking) free(ranking);
10987 /* Assumes program was just initialized (initString sent).
10988 Leaves program in force mode. */
10990 FeedMovesToProgram (ChessProgramState *cps, int upto)
10994 if (appData.debugMode)
10995 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10996 startedFromSetupPosition ? "position and " : "",
10997 backwardMostMove, upto, cps->which);
10998 if(currentlyInitializedVariant != gameInfo.variant) {
11000 // [HGM] variantswitch: make engine aware of new variant
11001 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
11002 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11003 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11004 SendToProgram(buf, cps);
11005 currentlyInitializedVariant = gameInfo.variant;
11007 SendToProgram("force\n", cps);
11008 if (startedFromSetupPosition) {
11009 SendBoard(cps, backwardMostMove);
11010 if (appData.debugMode) {
11011 fprintf(debugFP, "feedMoves\n");
11014 for (i = backwardMostMove; i < upto; i++) {
11015 SendMoveToProgram(i, cps);
11021 ResurrectChessProgram ()
11023 /* The chess program may have exited.
11024 If so, restart it and feed it all the moves made so far. */
11025 static int doInit = 0;
11027 if (appData.noChessProgram) return 1;
11029 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11030 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11031 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11032 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11034 if (first.pr != NoProc) return 1;
11035 StartChessProgram(&first);
11037 InitChessProgram(&first, FALSE);
11038 FeedMovesToProgram(&first, currentMove);
11040 if (!first.sendTime) {
11041 /* can't tell gnuchess what its clock should read,
11042 so we bow to its notion. */
11044 timeRemaining[0][currentMove] = whiteTimeRemaining;
11045 timeRemaining[1][currentMove] = blackTimeRemaining;
11048 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11049 appData.icsEngineAnalyze) && first.analysisSupport) {
11050 SendToProgram("analyze\n", &first);
11051 first.analyzing = TRUE;
11057 * Button procedures
11060 Reset (int redraw, int init)
11064 if (appData.debugMode) {
11065 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11066 redraw, init, gameMode);
11068 CleanupTail(); // [HGM] vari: delete any stored variations
11069 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11070 pausing = pauseExamInvalid = FALSE;
11071 startedFromSetupPosition = blackPlaysFirst = FALSE;
11073 whiteFlag = blackFlag = FALSE;
11074 userOfferedDraw = FALSE;
11075 hintRequested = bookRequested = FALSE;
11076 first.maybeThinking = FALSE;
11077 second.maybeThinking = FALSE;
11078 first.bookSuspend = FALSE; // [HGM] book
11079 second.bookSuspend = FALSE;
11080 thinkOutput[0] = NULLCHAR;
11081 lastHint[0] = NULLCHAR;
11082 ClearGameInfo(&gameInfo);
11083 gameInfo.variant = StringToVariant(appData.variant);
11084 ics_user_moved = ics_clock_paused = FALSE;
11085 ics_getting_history = H_FALSE;
11087 white_holding[0] = black_holding[0] = NULLCHAR;
11088 ClearProgramStats();
11089 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11093 flipView = appData.flipView;
11094 ClearPremoveHighlights();
11095 gotPremove = FALSE;
11096 alarmSounded = FALSE;
11098 GameEnds(EndOfFile, NULL, GE_PLAYER);
11099 if(appData.serverMovesName != NULL) {
11100 /* [HGM] prepare to make moves file for broadcasting */
11101 clock_t t = clock();
11102 if(serverMoves != NULL) fclose(serverMoves);
11103 serverMoves = fopen(appData.serverMovesName, "r");
11104 if(serverMoves != NULL) {
11105 fclose(serverMoves);
11106 /* delay 15 sec before overwriting, so all clients can see end */
11107 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11109 serverMoves = fopen(appData.serverMovesName, "w");
11113 gameMode = BeginningOfGame;
11115 if(appData.icsActive) gameInfo.variant = VariantNormal;
11116 currentMove = forwardMostMove = backwardMostMove = 0;
11117 MarkTargetSquares(1);
11118 InitPosition(redraw);
11119 for (i = 0; i < MAX_MOVES; i++) {
11120 if (commentList[i] != NULL) {
11121 free(commentList[i]);
11122 commentList[i] = NULL;
11126 timeRemaining[0][0] = whiteTimeRemaining;
11127 timeRemaining[1][0] = blackTimeRemaining;
11129 if (first.pr == NoProc) {
11130 StartChessProgram(&first);
11133 InitChessProgram(&first, startedFromSetupPosition);
11136 DisplayMessage("", "");
11137 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11138 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11139 ClearMap(); // [HGM] exclude: invalidate map
11143 AutoPlayGameLoop ()
11146 if (!AutoPlayOneMove())
11148 if (matchMode || appData.timeDelay == 0)
11150 if (appData.timeDelay < 0)
11152 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11160 ReloadGame(1); // next game
11166 int fromX, fromY, toX, toY;
11168 if (appData.debugMode) {
11169 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11172 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11175 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
11176 pvInfoList[currentMove].depth = programStats.depth;
11177 pvInfoList[currentMove].score = programStats.score;
11178 pvInfoList[currentMove].time = 0;
11179 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11182 if (currentMove >= forwardMostMove) {
11183 if(gameMode == AnalyzeFile) {
11184 if(appData.loadGameIndex == -1) {
11185 GameEnds(EndOfFile, NULL, GE_FILE);
11186 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11188 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11191 // gameMode = EndOfGame;
11192 // ModeHighlight();
11194 /* [AS] Clear current move marker at the end of a game */
11195 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11200 toX = moveList[currentMove][2] - AAA;
11201 toY = moveList[currentMove][3] - ONE;
11203 if (moveList[currentMove][1] == '@') {
11204 if (appData.highlightLastMove) {
11205 SetHighlights(-1, -1, toX, toY);
11208 fromX = moveList[currentMove][0] - AAA;
11209 fromY = moveList[currentMove][1] - ONE;
11211 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11213 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11215 if (appData.highlightLastMove) {
11216 SetHighlights(fromX, fromY, toX, toY);
11219 DisplayMove(currentMove);
11220 SendMoveToProgram(currentMove++, &first);
11221 DisplayBothClocks();
11222 DrawPosition(FALSE, boards[currentMove]);
11223 // [HGM] PV info: always display, routine tests if empty
11224 DisplayComment(currentMove - 1, commentList[currentMove]);
11230 LoadGameOneMove (ChessMove readAhead)
11232 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11233 char promoChar = NULLCHAR;
11234 ChessMove moveType;
11235 char move[MSG_SIZ];
11238 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11239 gameMode != AnalyzeMode && gameMode != Training) {
11244 yyboardindex = forwardMostMove;
11245 if (readAhead != EndOfFile) {
11246 moveType = readAhead;
11248 if (gameFileFP == NULL)
11250 moveType = (ChessMove) Myylex();
11254 switch (moveType) {
11256 if (appData.debugMode)
11257 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11260 /* append the comment but don't display it */
11261 AppendComment(currentMove, p, FALSE);
11264 case WhiteCapturesEnPassant:
11265 case BlackCapturesEnPassant:
11266 case WhitePromotion:
11267 case BlackPromotion:
11268 case WhiteNonPromotion:
11269 case BlackNonPromotion:
11271 case WhiteKingSideCastle:
11272 case WhiteQueenSideCastle:
11273 case BlackKingSideCastle:
11274 case BlackQueenSideCastle:
11275 case WhiteKingSideCastleWild:
11276 case WhiteQueenSideCastleWild:
11277 case BlackKingSideCastleWild:
11278 case BlackQueenSideCastleWild:
11280 case WhiteHSideCastleFR:
11281 case WhiteASideCastleFR:
11282 case BlackHSideCastleFR:
11283 case BlackASideCastleFR:
11285 if (appData.debugMode)
11286 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11287 fromX = currentMoveString[0] - AAA;
11288 fromY = currentMoveString[1] - ONE;
11289 toX = currentMoveString[2] - AAA;
11290 toY = currentMoveString[3] - ONE;
11291 promoChar = currentMoveString[4];
11296 if (appData.debugMode)
11297 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11298 fromX = moveType == WhiteDrop ?
11299 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11300 (int) CharToPiece(ToLower(currentMoveString[0]));
11302 toX = currentMoveString[2] - AAA;
11303 toY = currentMoveString[3] - ONE;
11309 case GameUnfinished:
11310 if (appData.debugMode)
11311 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11312 p = strchr(yy_text, '{');
11313 if (p == NULL) p = strchr(yy_text, '(');
11316 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11318 q = strchr(p, *p == '{' ? '}' : ')');
11319 if (q != NULL) *q = NULLCHAR;
11322 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11323 GameEnds(moveType, p, GE_FILE);
11325 if (cmailMsgLoaded) {
11327 flipView = WhiteOnMove(currentMove);
11328 if (moveType == GameUnfinished) flipView = !flipView;
11329 if (appData.debugMode)
11330 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11335 if (appData.debugMode)
11336 fprintf(debugFP, "Parser hit end of file\n");
11337 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11343 if (WhiteOnMove(currentMove)) {
11344 GameEnds(BlackWins, "Black mates", GE_FILE);
11346 GameEnds(WhiteWins, "White mates", GE_FILE);
11350 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11356 case MoveNumberOne:
11357 if (lastLoadGameStart == GNUChessGame) {
11358 /* GNUChessGames have numbers, but they aren't move numbers */
11359 if (appData.debugMode)
11360 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11361 yy_text, (int) moveType);
11362 return LoadGameOneMove(EndOfFile); /* tail recursion */
11364 /* else fall thru */
11369 /* Reached start of next game in file */
11370 if (appData.debugMode)
11371 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11372 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11378 if (WhiteOnMove(currentMove)) {
11379 GameEnds(BlackWins, "Black mates", GE_FILE);
11381 GameEnds(WhiteWins, "White mates", GE_FILE);
11385 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11391 case PositionDiagram: /* should not happen; ignore */
11392 case ElapsedTime: /* ignore */
11393 case NAG: /* ignore */
11394 if (appData.debugMode)
11395 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11396 yy_text, (int) moveType);
11397 return LoadGameOneMove(EndOfFile); /* tail recursion */
11400 if (appData.testLegality) {
11401 if (appData.debugMode)
11402 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11403 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11404 (forwardMostMove / 2) + 1,
11405 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11406 DisplayError(move, 0);
11409 if (appData.debugMode)
11410 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11411 yy_text, currentMoveString);
11412 fromX = currentMoveString[0] - AAA;
11413 fromY = currentMoveString[1] - ONE;
11414 toX = currentMoveString[2] - AAA;
11415 toY = currentMoveString[3] - ONE;
11416 promoChar = currentMoveString[4];
11420 case AmbiguousMove:
11421 if (appData.debugMode)
11422 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11423 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11424 (forwardMostMove / 2) + 1,
11425 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11426 DisplayError(move, 0);
11431 case ImpossibleMove:
11432 if (appData.debugMode)
11433 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11434 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11435 (forwardMostMove / 2) + 1,
11436 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11437 DisplayError(move, 0);
11443 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11444 DrawPosition(FALSE, boards[currentMove]);
11445 DisplayBothClocks();
11446 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11447 DisplayComment(currentMove - 1, commentList[currentMove]);
11449 (void) StopLoadGameTimer();
11451 cmailOldMove = forwardMostMove;
11454 /* currentMoveString is set as a side-effect of yylex */
11456 thinkOutput[0] = NULLCHAR;
11457 MakeMove(fromX, fromY, toX, toY, promoChar);
11458 currentMove = forwardMostMove;
11463 /* Load the nth game from the given file */
11465 LoadGameFromFile (char *filename, int n, char *title, int useList)
11470 if (strcmp(filename, "-") == 0) {
11474 f = fopen(filename, "rb");
11476 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11477 DisplayError(buf, errno);
11481 if (fseek(f, 0, 0) == -1) {
11482 /* f is not seekable; probably a pipe */
11485 if (useList && n == 0) {
11486 int error = GameListBuild(f);
11488 DisplayError(_("Cannot build game list"), error);
11489 } else if (!ListEmpty(&gameList) &&
11490 ((ListGame *) gameList.tailPred)->number > 1) {
11491 GameListPopUp(f, title);
11498 return LoadGame(f, n, title, FALSE);
11503 MakeRegisteredMove ()
11505 int fromX, fromY, toX, toY;
11507 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11508 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11511 if (appData.debugMode)
11512 fprintf(debugFP, "Restoring %s for game %d\n",
11513 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11515 thinkOutput[0] = NULLCHAR;
11516 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11517 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11518 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11519 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11520 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11521 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11522 MakeMove(fromX, fromY, toX, toY, promoChar);
11523 ShowMove(fromX, fromY, toX, toY);
11525 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11532 if (WhiteOnMove(currentMove)) {
11533 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11535 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11540 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11547 if (WhiteOnMove(currentMove)) {
11548 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11550 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11555 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11566 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11568 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11572 if (gameNumber > nCmailGames) {
11573 DisplayError(_("No more games in this message"), 0);
11576 if (f == lastLoadGameFP) {
11577 int offset = gameNumber - lastLoadGameNumber;
11579 cmailMsg[0] = NULLCHAR;
11580 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11581 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11582 nCmailMovesRegistered--;
11584 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11585 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11586 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11589 if (! RegisterMove()) return FALSE;
11593 retVal = LoadGame(f, gameNumber, title, useList);
11595 /* Make move registered during previous look at this game, if any */
11596 MakeRegisteredMove();
11598 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11599 commentList[currentMove]
11600 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11601 DisplayComment(currentMove - 1, commentList[currentMove]);
11607 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11609 ReloadGame (int offset)
11611 int gameNumber = lastLoadGameNumber + offset;
11612 if (lastLoadGameFP == NULL) {
11613 DisplayError(_("No game has been loaded yet"), 0);
11616 if (gameNumber <= 0) {
11617 DisplayError(_("Can't back up any further"), 0);
11620 if (cmailMsgLoaded) {
11621 return CmailLoadGame(lastLoadGameFP, gameNumber,
11622 lastLoadGameTitle, lastLoadGameUseList);
11624 return LoadGame(lastLoadGameFP, gameNumber,
11625 lastLoadGameTitle, lastLoadGameUseList);
11629 int keys[EmptySquare+1];
11632 PositionMatches (Board b1, Board b2)
11635 switch(appData.searchMode) {
11636 case 1: return CompareWithRights(b1, b2);
11638 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11639 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11643 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11644 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11645 sum += keys[b1[r][f]] - keys[b2[r][f]];
11649 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11650 sum += keys[b1[r][f]] - keys[b2[r][f]];
11662 int pieceList[256], quickBoard[256];
11663 ChessSquare pieceType[256] = { EmptySquare };
11664 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11665 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11666 int soughtTotal, turn;
11667 Boolean epOK, flipSearch;
11670 unsigned char piece, to;
11673 #define DSIZE (250000)
11675 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11676 Move *moveDatabase = initialSpace;
11677 unsigned int movePtr, dataSize = DSIZE;
11680 MakePieceList (Board board, int *counts)
11682 int r, f, n=Q_PROMO, total=0;
11683 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11684 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11685 int sq = f + (r<<4);
11686 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11687 quickBoard[sq] = ++n;
11689 pieceType[n] = board[r][f];
11690 counts[board[r][f]]++;
11691 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11692 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11696 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11701 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11703 int sq = fromX + (fromY<<4);
11704 int piece = quickBoard[sq];
11705 quickBoard[sq] = 0;
11706 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11707 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11708 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11709 moveDatabase[movePtr++].piece = Q_WCASTL;
11710 quickBoard[sq] = piece;
11711 piece = quickBoard[from]; quickBoard[from] = 0;
11712 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11714 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11715 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11716 moveDatabase[movePtr++].piece = Q_BCASTL;
11717 quickBoard[sq] = piece;
11718 piece = quickBoard[from]; quickBoard[from] = 0;
11719 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11721 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11722 quickBoard[(fromY<<4)+toX] = 0;
11723 moveDatabase[movePtr].piece = Q_EP;
11724 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11725 moveDatabase[movePtr].to = sq;
11727 if(promoPiece != pieceType[piece]) {
11728 moveDatabase[movePtr++].piece = Q_PROMO;
11729 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11731 moveDatabase[movePtr].piece = piece;
11732 quickBoard[sq] = piece;
11737 PackGame (Board board)
11739 Move *newSpace = NULL;
11740 moveDatabase[movePtr].piece = 0; // terminate previous game
11741 if(movePtr > dataSize) {
11742 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11743 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11744 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11747 Move *p = moveDatabase, *q = newSpace;
11748 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11749 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11750 moveDatabase = newSpace;
11751 } else { // calloc failed, we must be out of memory. Too bad...
11752 dataSize = 0; // prevent calloc events for all subsequent games
11753 return 0; // and signal this one isn't cached
11757 MakePieceList(board, counts);
11762 QuickCompare (Board board, int *minCounts, int *maxCounts)
11763 { // compare according to search mode
11765 switch(appData.searchMode)
11767 case 1: // exact position match
11768 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11769 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11770 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11773 case 2: // can have extra material on empty squares
11774 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11775 if(board[r][f] == EmptySquare) continue;
11776 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11779 case 3: // material with exact Pawn structure
11780 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11781 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11782 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11783 } // fall through to material comparison
11784 case 4: // exact material
11785 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11787 case 6: // material range with given imbalance
11788 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11789 // fall through to range comparison
11790 case 5: // material range
11791 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11797 QuickScan (Board board, Move *move)
11798 { // reconstruct game,and compare all positions in it
11799 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11801 int piece = move->piece;
11802 int to = move->to, from = pieceList[piece];
11803 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11804 if(!piece) return -1;
11805 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11806 piece = (++move)->piece;
11807 from = pieceList[piece];
11808 counts[pieceType[piece]]--;
11809 pieceType[piece] = (ChessSquare) move->to;
11810 counts[move->to]++;
11811 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11812 counts[pieceType[quickBoard[to]]]--;
11813 quickBoard[to] = 0; total--;
11816 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11817 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11818 from = pieceList[piece]; // so this must be King
11819 quickBoard[from] = 0;
11820 pieceList[piece] = to;
11821 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11822 quickBoard[from] = 0; // rook
11823 quickBoard[to] = piece;
11824 to = move->to; piece = move->piece;
11828 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11829 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11830 quickBoard[from] = 0;
11832 quickBoard[to] = piece;
11833 pieceList[piece] = to;
11835 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11836 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11837 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11838 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11840 static int lastCounts[EmptySquare+1];
11842 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11843 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11844 } else stretch = 0;
11845 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11854 flipSearch = FALSE;
11855 CopyBoard(soughtBoard, boards[currentMove]);
11856 soughtTotal = MakePieceList(soughtBoard, maxSought);
11857 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11858 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11859 CopyBoard(reverseBoard, boards[currentMove]);
11860 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11861 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11862 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11863 reverseBoard[r][f] = piece;
11865 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11866 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11867 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11868 || (boards[currentMove][CASTLING][2] == NoRights ||
11869 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11870 && (boards[currentMove][CASTLING][5] == NoRights ||
11871 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11874 CopyBoard(flipBoard, soughtBoard);
11875 CopyBoard(rotateBoard, reverseBoard);
11876 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11877 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11878 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11881 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11882 if(appData.searchMode >= 5) {
11883 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11884 MakePieceList(soughtBoard, minSought);
11885 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11887 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11888 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11891 GameInfo dummyInfo;
11892 static int creatingBook;
11895 GameContainsPosition (FILE *f, ListGame *lg)
11897 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11898 int fromX, fromY, toX, toY;
11900 static int initDone=FALSE;
11902 // weed out games based on numerical tag comparison
11903 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11904 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11905 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11906 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11908 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11911 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11912 else CopyBoard(boards[scratch], initialPosition); // default start position
11915 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11916 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11919 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11920 fseek(f, lg->offset, 0);
11923 yyboardindex = scratch;
11924 quickFlag = plyNr+1;
11929 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11935 if(plyNr) return -1; // after we have seen moves, this is for new game
11938 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11939 case ImpossibleMove:
11940 case WhiteWins: // game ends here with these four
11943 case GameUnfinished:
11947 if(appData.testLegality) return -1;
11948 case WhiteCapturesEnPassant:
11949 case BlackCapturesEnPassant:
11950 case WhitePromotion:
11951 case BlackPromotion:
11952 case WhiteNonPromotion:
11953 case BlackNonPromotion:
11955 case WhiteKingSideCastle:
11956 case WhiteQueenSideCastle:
11957 case BlackKingSideCastle:
11958 case BlackQueenSideCastle:
11959 case WhiteKingSideCastleWild:
11960 case WhiteQueenSideCastleWild:
11961 case BlackKingSideCastleWild:
11962 case BlackQueenSideCastleWild:
11963 case WhiteHSideCastleFR:
11964 case WhiteASideCastleFR:
11965 case BlackHSideCastleFR:
11966 case BlackASideCastleFR:
11967 fromX = currentMoveString[0] - AAA;
11968 fromY = currentMoveString[1] - ONE;
11969 toX = currentMoveString[2] - AAA;
11970 toY = currentMoveString[3] - ONE;
11971 promoChar = currentMoveString[4];
11975 fromX = next == WhiteDrop ?
11976 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11977 (int) CharToPiece(ToLower(currentMoveString[0]));
11979 toX = currentMoveString[2] - AAA;
11980 toY = currentMoveString[3] - ONE;
11984 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11986 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11987 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11988 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11989 if(appData.findMirror) {
11990 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11991 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11996 /* Load the nth game from open file f */
11998 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12002 int gn = gameNumber;
12003 ListGame *lg = NULL;
12004 int numPGNTags = 0;
12006 GameMode oldGameMode;
12007 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12009 if (appData.debugMode)
12010 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12012 if (gameMode == Training )
12013 SetTrainingModeOff();
12015 oldGameMode = gameMode;
12016 if (gameMode != BeginningOfGame) {
12017 Reset(FALSE, TRUE);
12021 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12022 fclose(lastLoadGameFP);
12026 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12029 fseek(f, lg->offset, 0);
12030 GameListHighlight(gameNumber);
12031 pos = lg->position;
12035 if(gameMode == AnalyzeFile && appData.loadGameIndex == -1)
12036 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12038 DisplayError(_("Game number out of range"), 0);
12043 if (fseek(f, 0, 0) == -1) {
12044 if (f == lastLoadGameFP ?
12045 gameNumber == lastLoadGameNumber + 1 :
12049 DisplayError(_("Can't seek on game file"), 0);
12054 lastLoadGameFP = f;
12055 lastLoadGameNumber = gameNumber;
12056 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12057 lastLoadGameUseList = useList;
12061 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12062 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12063 lg->gameInfo.black);
12065 } else if (*title != NULLCHAR) {
12066 if (gameNumber > 1) {
12067 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12070 DisplayTitle(title);
12074 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12075 gameMode = PlayFromGameFile;
12079 currentMove = forwardMostMove = backwardMostMove = 0;
12080 CopyBoard(boards[0], initialPosition);
12084 * Skip the first gn-1 games in the file.
12085 * Also skip over anything that precedes an identifiable
12086 * start of game marker, to avoid being confused by
12087 * garbage at the start of the file. Currently
12088 * recognized start of game markers are the move number "1",
12089 * the pattern "gnuchess .* game", the pattern
12090 * "^[#;%] [^ ]* game file", and a PGN tag block.
12091 * A game that starts with one of the latter two patterns
12092 * will also have a move number 1, possibly
12093 * following a position diagram.
12094 * 5-4-02: Let's try being more lenient and allowing a game to
12095 * start with an unnumbered move. Does that break anything?
12097 cm = lastLoadGameStart = EndOfFile;
12099 yyboardindex = forwardMostMove;
12100 cm = (ChessMove) Myylex();
12103 if (cmailMsgLoaded) {
12104 nCmailGames = CMAIL_MAX_GAMES - gn;
12107 DisplayError(_("Game not found in file"), 0);
12114 lastLoadGameStart = cm;
12117 case MoveNumberOne:
12118 switch (lastLoadGameStart) {
12123 case MoveNumberOne:
12125 gn--; /* count this game */
12126 lastLoadGameStart = cm;
12135 switch (lastLoadGameStart) {
12138 case MoveNumberOne:
12140 gn--; /* count this game */
12141 lastLoadGameStart = cm;
12144 lastLoadGameStart = cm; /* game counted already */
12152 yyboardindex = forwardMostMove;
12153 cm = (ChessMove) Myylex();
12154 } while (cm == PGNTag || cm == Comment);
12161 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12162 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12163 != CMAIL_OLD_RESULT) {
12165 cmailResult[ CMAIL_MAX_GAMES
12166 - gn - 1] = CMAIL_OLD_RESULT;
12172 /* Only a NormalMove can be at the start of a game
12173 * without a position diagram. */
12174 if (lastLoadGameStart == EndOfFile ) {
12176 lastLoadGameStart = MoveNumberOne;
12185 if (appData.debugMode)
12186 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12188 if (cm == XBoardGame) {
12189 /* Skip any header junk before position diagram and/or move 1 */
12191 yyboardindex = forwardMostMove;
12192 cm = (ChessMove) Myylex();
12194 if (cm == EndOfFile ||
12195 cm == GNUChessGame || cm == XBoardGame) {
12196 /* Empty game; pretend end-of-file and handle later */
12201 if (cm == MoveNumberOne || cm == PositionDiagram ||
12202 cm == PGNTag || cm == Comment)
12205 } else if (cm == GNUChessGame) {
12206 if (gameInfo.event != NULL) {
12207 free(gameInfo.event);
12209 gameInfo.event = StrSave(yy_text);
12212 startedFromSetupPosition = FALSE;
12213 while (cm == PGNTag) {
12214 if (appData.debugMode)
12215 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12216 err = ParsePGNTag(yy_text, &gameInfo);
12217 if (!err) numPGNTags++;
12219 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12220 if(gameInfo.variant != oldVariant) {
12221 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12222 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12223 InitPosition(TRUE);
12224 oldVariant = gameInfo.variant;
12225 if (appData.debugMode)
12226 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12230 if (gameInfo.fen != NULL) {
12231 Board initial_position;
12232 startedFromSetupPosition = TRUE;
12233 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12235 DisplayError(_("Bad FEN position in file"), 0);
12238 CopyBoard(boards[0], initial_position);
12239 if (blackPlaysFirst) {
12240 currentMove = forwardMostMove = backwardMostMove = 1;
12241 CopyBoard(boards[1], initial_position);
12242 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12243 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12244 timeRemaining[0][1] = whiteTimeRemaining;
12245 timeRemaining[1][1] = blackTimeRemaining;
12246 if (commentList[0] != NULL) {
12247 commentList[1] = commentList[0];
12248 commentList[0] = NULL;
12251 currentMove = forwardMostMove = backwardMostMove = 0;
12253 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12255 initialRulePlies = FENrulePlies;
12256 for( i=0; i< nrCastlingRights; i++ )
12257 initialRights[i] = initial_position[CASTLING][i];
12259 yyboardindex = forwardMostMove;
12260 free(gameInfo.fen);
12261 gameInfo.fen = NULL;
12264 yyboardindex = forwardMostMove;
12265 cm = (ChessMove) Myylex();
12267 /* Handle comments interspersed among the tags */
12268 while (cm == Comment) {
12270 if (appData.debugMode)
12271 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12273 AppendComment(currentMove, p, FALSE);
12274 yyboardindex = forwardMostMove;
12275 cm = (ChessMove) Myylex();
12279 /* don't rely on existence of Event tag since if game was
12280 * pasted from clipboard the Event tag may not exist
12282 if (numPGNTags > 0){
12284 if (gameInfo.variant == VariantNormal) {
12285 VariantClass v = StringToVariant(gameInfo.event);
12286 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12287 if(v < VariantShogi) gameInfo.variant = v;
12290 if( appData.autoDisplayTags ) {
12291 tags = PGNTags(&gameInfo);
12292 TagsPopUp(tags, CmailMsg());
12297 /* Make something up, but don't display it now */
12302 if (cm == PositionDiagram) {
12305 Board initial_position;
12307 if (appData.debugMode)
12308 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12310 if (!startedFromSetupPosition) {
12312 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12313 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12324 initial_position[i][j++] = CharToPiece(*p);
12327 while (*p == ' ' || *p == '\t' ||
12328 *p == '\n' || *p == '\r') p++;
12330 if (strncmp(p, "black", strlen("black"))==0)
12331 blackPlaysFirst = TRUE;
12333 blackPlaysFirst = FALSE;
12334 startedFromSetupPosition = TRUE;
12336 CopyBoard(boards[0], initial_position);
12337 if (blackPlaysFirst) {
12338 currentMove = forwardMostMove = backwardMostMove = 1;
12339 CopyBoard(boards[1], initial_position);
12340 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12341 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12342 timeRemaining[0][1] = whiteTimeRemaining;
12343 timeRemaining[1][1] = blackTimeRemaining;
12344 if (commentList[0] != NULL) {
12345 commentList[1] = commentList[0];
12346 commentList[0] = NULL;
12349 currentMove = forwardMostMove = backwardMostMove = 0;
12352 yyboardindex = forwardMostMove;
12353 cm = (ChessMove) Myylex();
12356 if(!creatingBook) {
12357 if (first.pr == NoProc) {
12358 StartChessProgram(&first);
12360 InitChessProgram(&first, FALSE);
12361 SendToProgram("force\n", &first);
12362 if (startedFromSetupPosition) {
12363 SendBoard(&first, forwardMostMove);
12364 if (appData.debugMode) {
12365 fprintf(debugFP, "Load Game\n");
12367 DisplayBothClocks();
12371 /* [HGM] server: flag to write setup moves in broadcast file as one */
12372 loadFlag = appData.suppressLoadMoves;
12374 while (cm == Comment) {
12376 if (appData.debugMode)
12377 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12379 AppendComment(currentMove, p, FALSE);
12380 yyboardindex = forwardMostMove;
12381 cm = (ChessMove) Myylex();
12384 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12385 cm == WhiteWins || cm == BlackWins ||
12386 cm == GameIsDrawn || cm == GameUnfinished) {
12387 DisplayMessage("", _("No moves in game"));
12388 if (cmailMsgLoaded) {
12389 if (appData.debugMode)
12390 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12394 DrawPosition(FALSE, boards[currentMove]);
12395 DisplayBothClocks();
12396 gameMode = EditGame;
12403 // [HGM] PV info: routine tests if comment empty
12404 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12405 DisplayComment(currentMove - 1, commentList[currentMove]);
12407 if (!matchMode && appData.timeDelay != 0)
12408 DrawPosition(FALSE, boards[currentMove]);
12410 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12411 programStats.ok_to_send = 1;
12414 /* if the first token after the PGN tags is a move
12415 * and not move number 1, retrieve it from the parser
12417 if (cm != MoveNumberOne)
12418 LoadGameOneMove(cm);
12420 /* load the remaining moves from the file */
12421 while (LoadGameOneMove(EndOfFile)) {
12422 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12423 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12426 /* rewind to the start of the game */
12427 currentMove = backwardMostMove;
12429 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12431 if (oldGameMode == AnalyzeFile ||
12432 oldGameMode == AnalyzeMode) {
12433 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12434 AnalyzeFileEvent();
12437 if(creatingBook) return TRUE;
12438 if (!matchMode && pos > 0) {
12439 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12441 if (matchMode || appData.timeDelay == 0) {
12443 } else if (appData.timeDelay > 0) {
12444 AutoPlayGameLoop();
12447 if (appData.debugMode)
12448 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12450 loadFlag = 0; /* [HGM] true game starts */
12454 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12456 ReloadPosition (int offset)
12458 int positionNumber = lastLoadPositionNumber + offset;
12459 if (lastLoadPositionFP == NULL) {
12460 DisplayError(_("No position has been loaded yet"), 0);
12463 if (positionNumber <= 0) {
12464 DisplayError(_("Can't back up any further"), 0);
12467 return LoadPosition(lastLoadPositionFP, positionNumber,
12468 lastLoadPositionTitle);
12471 /* Load the nth position from the given file */
12473 LoadPositionFromFile (char *filename, int n, char *title)
12478 if (strcmp(filename, "-") == 0) {
12479 return LoadPosition(stdin, n, "stdin");
12481 f = fopen(filename, "rb");
12483 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12484 DisplayError(buf, errno);
12487 return LoadPosition(f, n, title);
12492 /* Load the nth position from the given open file, and close it */
12494 LoadPosition (FILE *f, int positionNumber, char *title)
12496 char *p, line[MSG_SIZ];
12497 Board initial_position;
12498 int i, j, fenMode, pn;
12500 if (gameMode == Training )
12501 SetTrainingModeOff();
12503 if (gameMode != BeginningOfGame) {
12504 Reset(FALSE, TRUE);
12506 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12507 fclose(lastLoadPositionFP);
12509 if (positionNumber == 0) positionNumber = 1;
12510 lastLoadPositionFP = f;
12511 lastLoadPositionNumber = positionNumber;
12512 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12513 if (first.pr == NoProc && !appData.noChessProgram) {
12514 StartChessProgram(&first);
12515 InitChessProgram(&first, FALSE);
12517 pn = positionNumber;
12518 if (positionNumber < 0) {
12519 /* Negative position number means to seek to that byte offset */
12520 if (fseek(f, -positionNumber, 0) == -1) {
12521 DisplayError(_("Can't seek on position file"), 0);
12526 if (fseek(f, 0, 0) == -1) {
12527 if (f == lastLoadPositionFP ?
12528 positionNumber == lastLoadPositionNumber + 1 :
12529 positionNumber == 1) {
12532 DisplayError(_("Can't seek on position file"), 0);
12537 /* See if this file is FEN or old-style xboard */
12538 if (fgets(line, MSG_SIZ, f) == NULL) {
12539 DisplayError(_("Position not found in file"), 0);
12542 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12543 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12546 if (fenMode || line[0] == '#') pn--;
12548 /* skip positions before number pn */
12549 if (fgets(line, MSG_SIZ, f) == NULL) {
12551 DisplayError(_("Position not found in file"), 0);
12554 if (fenMode || line[0] == '#') pn--;
12559 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12560 DisplayError(_("Bad FEN position in file"), 0);
12564 (void) fgets(line, MSG_SIZ, f);
12565 (void) fgets(line, MSG_SIZ, f);
12567 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12568 (void) fgets(line, MSG_SIZ, f);
12569 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12572 initial_position[i][j++] = CharToPiece(*p);
12576 blackPlaysFirst = FALSE;
12578 (void) fgets(line, MSG_SIZ, f);
12579 if (strncmp(line, "black", strlen("black"))==0)
12580 blackPlaysFirst = TRUE;
12583 startedFromSetupPosition = TRUE;
12585 CopyBoard(boards[0], initial_position);
12586 if (blackPlaysFirst) {
12587 currentMove = forwardMostMove = backwardMostMove = 1;
12588 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12589 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12590 CopyBoard(boards[1], initial_position);
12591 DisplayMessage("", _("Black to play"));
12593 currentMove = forwardMostMove = backwardMostMove = 0;
12594 DisplayMessage("", _("White to play"));
12596 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12597 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12598 SendToProgram("force\n", &first);
12599 SendBoard(&first, forwardMostMove);
12601 if (appData.debugMode) {
12603 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12604 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12605 fprintf(debugFP, "Load Position\n");
12608 if (positionNumber > 1) {
12609 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12610 DisplayTitle(line);
12612 DisplayTitle(title);
12614 gameMode = EditGame;
12617 timeRemaining[0][1] = whiteTimeRemaining;
12618 timeRemaining[1][1] = blackTimeRemaining;
12619 DrawPosition(FALSE, boards[currentMove]);
12626 CopyPlayerNameIntoFileName (char **dest, char *src)
12628 while (*src != NULLCHAR && *src != ',') {
12633 *(*dest)++ = *src++;
12639 DefaultFileName (char *ext)
12641 static char def[MSG_SIZ];
12644 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12646 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12648 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12650 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12657 /* Save the current game to the given file */
12659 SaveGameToFile (char *filename, int append)
12663 int result, i, t,tot=0;
12665 if (strcmp(filename, "-") == 0) {
12666 return SaveGame(stdout, 0, NULL);
12668 for(i=0; i<10; i++) { // upto 10 tries
12669 f = fopen(filename, append ? "a" : "w");
12670 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12671 if(f || errno != 13) break;
12672 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12676 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12677 DisplayError(buf, errno);
12680 safeStrCpy(buf, lastMsg, MSG_SIZ);
12681 DisplayMessage(_("Waiting for access to save file"), "");
12682 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12683 DisplayMessage(_("Saving game"), "");
12684 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12685 result = SaveGame(f, 0, NULL);
12686 DisplayMessage(buf, "");
12693 SavePart (char *str)
12695 static char buf[MSG_SIZ];
12698 p = strchr(str, ' ');
12699 if (p == NULL) return str;
12700 strncpy(buf, str, p - str);
12701 buf[p - str] = NULLCHAR;
12705 #define PGN_MAX_LINE 75
12707 #define PGN_SIDE_WHITE 0
12708 #define PGN_SIDE_BLACK 1
12711 FindFirstMoveOutOfBook (int side)
12715 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12716 int index = backwardMostMove;
12717 int has_book_hit = 0;
12719 if( (index % 2) != side ) {
12723 while( index < forwardMostMove ) {
12724 /* Check to see if engine is in book */
12725 int depth = pvInfoList[index].depth;
12726 int score = pvInfoList[index].score;
12732 else if( score == 0 && depth == 63 ) {
12733 in_book = 1; /* Zappa */
12735 else if( score == 2 && depth == 99 ) {
12736 in_book = 1; /* Abrok */
12739 has_book_hit += in_book;
12755 GetOutOfBookInfo (char * buf)
12759 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12761 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12762 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12766 if( oob[0] >= 0 || oob[1] >= 0 ) {
12767 for( i=0; i<2; i++ ) {
12771 if( i > 0 && oob[0] >= 0 ) {
12772 strcat( buf, " " );
12775 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12776 sprintf( buf+strlen(buf), "%s%.2f",
12777 pvInfoList[idx].score >= 0 ? "+" : "",
12778 pvInfoList[idx].score / 100.0 );
12784 /* Save game in PGN style and close the file */
12786 SaveGamePGN (FILE *f)
12788 int i, offset, linelen, newblock;
12791 int movelen, numlen, blank;
12792 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12794 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12796 PrintPGNTags(f, &gameInfo);
12798 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12800 if (backwardMostMove > 0 || startedFromSetupPosition) {
12801 char *fen = PositionToFEN(backwardMostMove, NULL);
12802 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12803 fprintf(f, "\n{--------------\n");
12804 PrintPosition(f, backwardMostMove);
12805 fprintf(f, "--------------}\n");
12809 /* [AS] Out of book annotation */
12810 if( appData.saveOutOfBookInfo ) {
12813 GetOutOfBookInfo( buf );
12815 if( buf[0] != '\0' ) {
12816 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12823 i = backwardMostMove;
12827 while (i < forwardMostMove) {
12828 /* Print comments preceding this move */
12829 if (commentList[i] != NULL) {
12830 if (linelen > 0) fprintf(f, "\n");
12831 fprintf(f, "%s", commentList[i]);
12836 /* Format move number */
12838 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12841 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12843 numtext[0] = NULLCHAR;
12845 numlen = strlen(numtext);
12848 /* Print move number */
12849 blank = linelen > 0 && numlen > 0;
12850 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12859 fprintf(f, "%s", numtext);
12863 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12864 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12867 blank = linelen > 0 && movelen > 0;
12868 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12877 fprintf(f, "%s", move_buffer);
12878 linelen += movelen;
12880 /* [AS] Add PV info if present */
12881 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12882 /* [HGM] add time */
12883 char buf[MSG_SIZ]; int seconds;
12885 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12891 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12894 seconds = (seconds + 4)/10; // round to full seconds
12896 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12898 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12901 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12902 pvInfoList[i].score >= 0 ? "+" : "",
12903 pvInfoList[i].score / 100.0,
12904 pvInfoList[i].depth,
12907 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12909 /* Print score/depth */
12910 blank = linelen > 0 && movelen > 0;
12911 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12920 fprintf(f, "%s", move_buffer);
12921 linelen += movelen;
12927 /* Start a new line */
12928 if (linelen > 0) fprintf(f, "\n");
12930 /* Print comments after last move */
12931 if (commentList[i] != NULL) {
12932 fprintf(f, "%s\n", commentList[i]);
12936 if (gameInfo.resultDetails != NULL &&
12937 gameInfo.resultDetails[0] != NULLCHAR) {
12938 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12939 PGNResult(gameInfo.result));
12941 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12945 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12949 /* Save game in old style and close the file */
12951 SaveGameOldStyle (FILE *f)
12956 tm = time((time_t *) NULL);
12958 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12961 if (backwardMostMove > 0 || startedFromSetupPosition) {
12962 fprintf(f, "\n[--------------\n");
12963 PrintPosition(f, backwardMostMove);
12964 fprintf(f, "--------------]\n");
12969 i = backwardMostMove;
12970 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12972 while (i < forwardMostMove) {
12973 if (commentList[i] != NULL) {
12974 fprintf(f, "[%s]\n", commentList[i]);
12977 if ((i % 2) == 1) {
12978 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12981 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12983 if (commentList[i] != NULL) {
12987 if (i >= forwardMostMove) {
12991 fprintf(f, "%s\n", parseList[i]);
12996 if (commentList[i] != NULL) {
12997 fprintf(f, "[%s]\n", commentList[i]);
13000 /* This isn't really the old style, but it's close enough */
13001 if (gameInfo.resultDetails != NULL &&
13002 gameInfo.resultDetails[0] != NULLCHAR) {
13003 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13004 gameInfo.resultDetails);
13006 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13013 /* Save the current game to open file f and close the file */
13015 SaveGame (FILE *f, int dummy, char *dummy2)
13017 if (gameMode == EditPosition) EditPositionDone(TRUE);
13018 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13019 if (appData.oldSaveStyle)
13020 return SaveGameOldStyle(f);
13022 return SaveGamePGN(f);
13025 /* Save the current position to the given file */
13027 SavePositionToFile (char *filename)
13032 if (strcmp(filename, "-") == 0) {
13033 return SavePosition(stdout, 0, NULL);
13035 f = fopen(filename, "a");
13037 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13038 DisplayError(buf, errno);
13041 safeStrCpy(buf, lastMsg, MSG_SIZ);
13042 DisplayMessage(_("Waiting for access to save file"), "");
13043 flock(fileno(f), LOCK_EX); // [HGM] lock
13044 DisplayMessage(_("Saving position"), "");
13045 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13046 SavePosition(f, 0, NULL);
13047 DisplayMessage(buf, "");
13053 /* Save the current position to the given open file and close the file */
13055 SavePosition (FILE *f, int dummy, char *dummy2)
13060 if (gameMode == EditPosition) EditPositionDone(TRUE);
13061 if (appData.oldSaveStyle) {
13062 tm = time((time_t *) NULL);
13064 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13066 fprintf(f, "[--------------\n");
13067 PrintPosition(f, currentMove);
13068 fprintf(f, "--------------]\n");
13070 fen = PositionToFEN(currentMove, NULL);
13071 fprintf(f, "%s\n", fen);
13079 ReloadCmailMsgEvent (int unregister)
13082 static char *inFilename = NULL;
13083 static char *outFilename;
13085 struct stat inbuf, outbuf;
13088 /* Any registered moves are unregistered if unregister is set, */
13089 /* i.e. invoked by the signal handler */
13091 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13092 cmailMoveRegistered[i] = FALSE;
13093 if (cmailCommentList[i] != NULL) {
13094 free(cmailCommentList[i]);
13095 cmailCommentList[i] = NULL;
13098 nCmailMovesRegistered = 0;
13101 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13102 cmailResult[i] = CMAIL_NOT_RESULT;
13106 if (inFilename == NULL) {
13107 /* Because the filenames are static they only get malloced once */
13108 /* and they never get freed */
13109 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13110 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13112 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13113 sprintf(outFilename, "%s.out", appData.cmailGameName);
13116 status = stat(outFilename, &outbuf);
13118 cmailMailedMove = FALSE;
13120 status = stat(inFilename, &inbuf);
13121 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13124 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13125 counts the games, notes how each one terminated, etc.
13127 It would be nice to remove this kludge and instead gather all
13128 the information while building the game list. (And to keep it
13129 in the game list nodes instead of having a bunch of fixed-size
13130 parallel arrays.) Note this will require getting each game's
13131 termination from the PGN tags, as the game list builder does
13132 not process the game moves. --mann
13134 cmailMsgLoaded = TRUE;
13135 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13137 /* Load first game in the file or popup game menu */
13138 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13140 #endif /* !WIN32 */
13148 char string[MSG_SIZ];
13150 if ( cmailMailedMove
13151 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13152 return TRUE; /* Allow free viewing */
13155 /* Unregister move to ensure that we don't leave RegisterMove */
13156 /* with the move registered when the conditions for registering no */
13158 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13159 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13160 nCmailMovesRegistered --;
13162 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13164 free(cmailCommentList[lastLoadGameNumber - 1]);
13165 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13169 if (cmailOldMove == -1) {
13170 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13174 if (currentMove > cmailOldMove + 1) {
13175 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13179 if (currentMove < cmailOldMove) {
13180 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13184 if (forwardMostMove > currentMove) {
13185 /* Silently truncate extra moves */
13189 if ( (currentMove == cmailOldMove + 1)
13190 || ( (currentMove == cmailOldMove)
13191 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13192 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13193 if (gameInfo.result != GameUnfinished) {
13194 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13197 if (commentList[currentMove] != NULL) {
13198 cmailCommentList[lastLoadGameNumber - 1]
13199 = StrSave(commentList[currentMove]);
13201 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13203 if (appData.debugMode)
13204 fprintf(debugFP, "Saving %s for game %d\n",
13205 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13207 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13209 f = fopen(string, "w");
13210 if (appData.oldSaveStyle) {
13211 SaveGameOldStyle(f); /* also closes the file */
13213 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13214 f = fopen(string, "w");
13215 SavePosition(f, 0, NULL); /* also closes the file */
13217 fprintf(f, "{--------------\n");
13218 PrintPosition(f, currentMove);
13219 fprintf(f, "--------------}\n\n");
13221 SaveGame(f, 0, NULL); /* also closes the file*/
13224 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13225 nCmailMovesRegistered ++;
13226 } else if (nCmailGames == 1) {
13227 DisplayError(_("You have not made a move yet"), 0);
13238 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13239 FILE *commandOutput;
13240 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13241 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13247 if (! cmailMsgLoaded) {
13248 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13252 if (nCmailGames == nCmailResults) {
13253 DisplayError(_("No unfinished games"), 0);
13257 #if CMAIL_PROHIBIT_REMAIL
13258 if (cmailMailedMove) {
13259 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);
13260 DisplayError(msg, 0);
13265 if (! (cmailMailedMove || RegisterMove())) return;
13267 if ( cmailMailedMove
13268 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13269 snprintf(string, MSG_SIZ, partCommandString,
13270 appData.debugMode ? " -v" : "", appData.cmailGameName);
13271 commandOutput = popen(string, "r");
13273 if (commandOutput == NULL) {
13274 DisplayError(_("Failed to invoke cmail"), 0);
13276 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13277 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13279 if (nBuffers > 1) {
13280 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13281 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13282 nBytes = MSG_SIZ - 1;
13284 (void) memcpy(msg, buffer, nBytes);
13286 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13288 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13289 cmailMailedMove = TRUE; /* Prevent >1 moves */
13292 for (i = 0; i < nCmailGames; i ++) {
13293 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13298 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13300 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13302 appData.cmailGameName,
13304 LoadGameFromFile(buffer, 1, buffer, FALSE);
13305 cmailMsgLoaded = FALSE;
13309 DisplayInformation(msg);
13310 pclose(commandOutput);
13313 if ((*cmailMsg) != '\0') {
13314 DisplayInformation(cmailMsg);
13319 #endif /* !WIN32 */
13328 int prependComma = 0;
13330 char string[MSG_SIZ]; /* Space for game-list */
13333 if (!cmailMsgLoaded) return "";
13335 if (cmailMailedMove) {
13336 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13338 /* Create a list of games left */
13339 snprintf(string, MSG_SIZ, "[");
13340 for (i = 0; i < nCmailGames; i ++) {
13341 if (! ( cmailMoveRegistered[i]
13342 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13343 if (prependComma) {
13344 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13346 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13350 strcat(string, number);
13353 strcat(string, "]");
13355 if (nCmailMovesRegistered + nCmailResults == 0) {
13356 switch (nCmailGames) {
13358 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13362 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13366 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13371 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13373 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13378 if (nCmailResults == nCmailGames) {
13379 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13381 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13386 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13398 if (gameMode == Training)
13399 SetTrainingModeOff();
13402 cmailMsgLoaded = FALSE;
13403 if (appData.icsActive) {
13404 SendToICS(ics_prefix);
13405 SendToICS("refresh\n");
13410 ExitEvent (int status)
13414 /* Give up on clean exit */
13418 /* Keep trying for clean exit */
13422 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13424 if (telnetISR != NULL) {
13425 RemoveInputSource(telnetISR);
13427 if (icsPR != NoProc) {
13428 DestroyChildProcess(icsPR, TRUE);
13431 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13432 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13434 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13435 /* make sure this other one finishes before killing it! */
13436 if(endingGame) { int count = 0;
13437 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13438 while(endingGame && count++ < 10) DoSleep(1);
13439 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13442 /* Kill off chess programs */
13443 if (first.pr != NoProc) {
13446 DoSleep( appData.delayBeforeQuit );
13447 SendToProgram("quit\n", &first);
13448 DoSleep( appData.delayAfterQuit );
13449 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13451 if (second.pr != NoProc) {
13452 DoSleep( appData.delayBeforeQuit );
13453 SendToProgram("quit\n", &second);
13454 DoSleep( appData.delayAfterQuit );
13455 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13457 if (first.isr != NULL) {
13458 RemoveInputSource(first.isr);
13460 if (second.isr != NULL) {
13461 RemoveInputSource(second.isr);
13464 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13465 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13467 ShutDownFrontEnd();
13472 PauseEngine (ChessProgramState *cps)
13474 SendToProgram("pause\n", cps);
13479 UnPauseEngine (ChessProgramState *cps)
13481 SendToProgram("resume\n", cps);
13488 if (appData.debugMode)
13489 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13493 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
13495 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
13496 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
13497 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
13499 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
13500 HandleMachineMove(stashedInputMove, stalledEngine);
13501 stalledEngine = NULL;
13504 if (gameMode == MachinePlaysWhite ||
13505 gameMode == TwoMachinesPlay ||
13506 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
13507 if(first.pause) UnPauseEngine(&first);
13508 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
13509 if(second.pause) UnPauseEngine(&second);
13510 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
13513 DisplayBothClocks();
13515 if (gameMode == PlayFromGameFile) {
13516 if (appData.timeDelay >= 0)
13517 AutoPlayGameLoop();
13518 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13519 Reset(FALSE, TRUE);
13520 SendToICS(ics_prefix);
13521 SendToICS("refresh\n");
13522 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
13523 ForwardInner(forwardMostMove);
13525 pauseExamInvalid = FALSE;
13527 switch (gameMode) {
13531 pauseExamForwardMostMove = forwardMostMove;
13532 pauseExamInvalid = FALSE;
13535 case IcsPlayingWhite:
13536 case IcsPlayingBlack:
13540 case PlayFromGameFile:
13541 (void) StopLoadGameTimer();
13545 case BeginningOfGame:
13546 if (appData.icsActive) return;
13547 /* else fall through */
13548 case MachinePlaysWhite:
13549 case MachinePlaysBlack:
13550 case TwoMachinesPlay:
13551 if (forwardMostMove == 0)
13552 return; /* don't pause if no one has moved */
13553 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
13554 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
13555 if(onMove->pause) { // thinking engine can be paused
13556 PauseEngine(onMove); // do it
13557 if(onMove->other->pause) // pondering opponent can always be paused immediately
13558 PauseEngine(onMove->other);
13560 SendToProgram("easy\n", onMove->other);
13562 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
13563 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
13565 PauseEngine(&first);
13567 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
13568 } else { // human on move, pause pondering by either method
13570 PauseEngine(&first);
13571 else if(appData.ponderNextMove)
13572 SendToProgram("easy\n", &first);
13575 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
13585 EditCommentEvent ()
13587 char title[MSG_SIZ];
13589 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13590 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13592 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13593 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13594 parseList[currentMove - 1]);
13597 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13604 char *tags = PGNTags(&gameInfo);
13606 EditTagsPopUp(tags, NULL);
13613 if(second.analyzing) {
13614 SendToProgram("exit\n", &second);
13615 second.analyzing = FALSE;
13617 if (second.pr == NoProc) StartChessProgram(&second);
13618 InitChessProgram(&second, FALSE);
13619 FeedMovesToProgram(&second, currentMove);
13621 SendToProgram("analyze\n", &second);
13622 second.analyzing = TRUE;
13626 /* Toggle ShowThinking */
13628 ToggleShowThinking()
13630 appData.showThinking = !appData.showThinking;
13631 ShowThinkingEvent();
13635 AnalyzeModeEvent ()
13639 if (!first.analysisSupport) {
13640 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13641 DisplayError(buf, 0);
13644 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
13645 if (appData.icsActive) {
13646 if (gameMode != IcsObserving) {
13647 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
13648 DisplayError(buf, 0);
13650 if (appData.icsEngineAnalyze) {
13651 if (appData.debugMode)
13652 fprintf(debugFP, _("Found unexpected active ICS engine analyze \n"));
13658 /* if enable, user wants to disable icsEngineAnalyze */
13659 if (appData.icsEngineAnalyze) {
13664 appData.icsEngineAnalyze = TRUE;
13665 if (appData.debugMode)
13666 fprintf(debugFP, _("ICS engine analyze starting... \n"));
13669 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
13670 if (appData.noChessProgram || gameMode == AnalyzeMode)
13673 if (gameMode != AnalyzeFile) {
13674 if (!appData.icsEngineAnalyze) {
13676 if (gameMode != EditGame) return 0;
13678 if (!appData.showThinking) ToggleShowThinking();
13679 ResurrectChessProgram();
13680 SendToProgram("analyze\n", &first);
13681 first.analyzing = TRUE;
13682 /*first.maybeThinking = TRUE;*/
13683 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13684 EngineOutputPopUp();
13686 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13691 StartAnalysisClock();
13692 GetTimeMark(&lastNodeCountTime);
13698 AnalyzeFileEvent ()
13700 if (appData.noChessProgram || gameMode == AnalyzeFile)
13703 if (!first.analysisSupport) {
13705 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
13706 DisplayError(buf, 0);
13710 if (gameMode != AnalyzeMode) {
13711 keepInfo = 1; // mere annotating should not alter PGN tags
13714 if (gameMode != EditGame) return;
13715 if (!appData.showThinking) ToggleShowThinking();
13716 ResurrectChessProgram();
13717 SendToProgram("analyze\n", &first);
13718 first.analyzing = TRUE;
13719 /*first.maybeThinking = TRUE;*/
13720 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13721 EngineOutputPopUp();
13723 gameMode = AnalyzeFile;
13727 StartAnalysisClock();
13728 GetTimeMark(&lastNodeCountTime);
13730 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13731 AnalysisPeriodicEvent(1);
13735 MachineWhiteEvent ()
13738 char *bookHit = NULL;
13740 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13744 if (gameMode == PlayFromGameFile ||
13745 gameMode == TwoMachinesPlay ||
13746 gameMode == Training ||
13747 gameMode == AnalyzeMode ||
13748 gameMode == EndOfGame)
13751 if (gameMode == EditPosition)
13752 EditPositionDone(TRUE);
13754 if (!WhiteOnMove(currentMove)) {
13755 DisplayError(_("It is not White's turn"), 0);
13759 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13762 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13763 gameMode == AnalyzeFile)
13766 ResurrectChessProgram(); /* in case it isn't running */
13767 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13768 gameMode = MachinePlaysWhite;
13771 gameMode = MachinePlaysWhite;
13775 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13777 if (first.sendName) {
13778 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13779 SendToProgram(buf, &first);
13781 if (first.sendTime) {
13782 if (first.useColors) {
13783 SendToProgram("black\n", &first); /*gnu kludge*/
13785 SendTimeRemaining(&first, TRUE);
13787 if (first.useColors) {
13788 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13790 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13791 SetMachineThinkingEnables();
13792 first.maybeThinking = TRUE;
13796 if (appData.autoFlipView && !flipView) {
13797 flipView = !flipView;
13798 DrawPosition(FALSE, NULL);
13799 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13802 if(bookHit) { // [HGM] book: simulate book reply
13803 static char bookMove[MSG_SIZ]; // a bit generous?
13805 programStats.nodes = programStats.depth = programStats.time =
13806 programStats.score = programStats.got_only_move = 0;
13807 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13809 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13810 strcat(bookMove, bookHit);
13811 HandleMachineMove(bookMove, &first);
13816 MachineBlackEvent ()
13819 char *bookHit = NULL;
13821 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13825 if (gameMode == PlayFromGameFile ||
13826 gameMode == TwoMachinesPlay ||
13827 gameMode == Training ||
13828 gameMode == AnalyzeMode ||
13829 gameMode == EndOfGame)
13832 if (gameMode == EditPosition)
13833 EditPositionDone(TRUE);
13835 if (WhiteOnMove(currentMove)) {
13836 DisplayError(_("It is not Black's turn"), 0);
13840 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13843 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13844 gameMode == AnalyzeFile)
13847 ResurrectChessProgram(); /* in case it isn't running */
13848 gameMode = MachinePlaysBlack;
13852 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13854 if (first.sendName) {
13855 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13856 SendToProgram(buf, &first);
13858 if (first.sendTime) {
13859 if (first.useColors) {
13860 SendToProgram("white\n", &first); /*gnu kludge*/
13862 SendTimeRemaining(&first, FALSE);
13864 if (first.useColors) {
13865 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13867 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13868 SetMachineThinkingEnables();
13869 first.maybeThinking = TRUE;
13872 if (appData.autoFlipView && flipView) {
13873 flipView = !flipView;
13874 DrawPosition(FALSE, NULL);
13875 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13877 if(bookHit) { // [HGM] book: simulate book reply
13878 static char bookMove[MSG_SIZ]; // a bit generous?
13880 programStats.nodes = programStats.depth = programStats.time =
13881 programStats.score = programStats.got_only_move = 0;
13882 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13884 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13885 strcat(bookMove, bookHit);
13886 HandleMachineMove(bookMove, &first);
13892 DisplayTwoMachinesTitle ()
13895 if (appData.matchGames > 0) {
13896 if(appData.tourneyFile[0]) {
13897 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13898 gameInfo.white, _("vs."), gameInfo.black,
13899 nextGame+1, appData.matchGames+1,
13900 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13902 if (first.twoMachinesColor[0] == 'w') {
13903 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13904 gameInfo.white, _("vs."), gameInfo.black,
13905 first.matchWins, second.matchWins,
13906 matchGame - 1 - (first.matchWins + second.matchWins));
13908 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13909 gameInfo.white, _("vs."), gameInfo.black,
13910 second.matchWins, first.matchWins,
13911 matchGame - 1 - (first.matchWins + second.matchWins));
13914 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13920 SettingsMenuIfReady ()
13922 if (second.lastPing != second.lastPong) {
13923 DisplayMessage("", _("Waiting for second chess program"));
13924 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13928 DisplayMessage("", "");
13929 SettingsPopUp(&second);
13933 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13936 if (cps->pr == NoProc) {
13937 StartChessProgram(cps);
13938 if (cps->protocolVersion == 1) {
13940 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
13942 /* kludge: allow timeout for initial "feature" command */
13943 if(retry != TwoMachinesEventIfReady) FreezeUI();
13944 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13945 DisplayMessage("", buf);
13946 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13954 TwoMachinesEvent P((void))
13958 ChessProgramState *onmove;
13959 char *bookHit = NULL;
13960 static int stalling = 0;
13964 if (appData.noChessProgram) return;
13966 switch (gameMode) {
13967 case TwoMachinesPlay:
13969 case MachinePlaysWhite:
13970 case MachinePlaysBlack:
13971 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13972 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13976 case BeginningOfGame:
13977 case PlayFromGameFile:
13980 if (gameMode != EditGame) return;
13983 EditPositionDone(TRUE);
13994 // forwardMostMove = currentMove;
13995 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13996 startingEngine = TRUE;
13998 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14000 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14001 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14002 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14005 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14007 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
14008 startingEngine = FALSE;
14009 DisplayError("second engine does not play this", 0);
14014 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14015 SendToProgram("force\n", &second);
14017 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14020 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14021 if(appData.matchPause>10000 || appData.matchPause<10)
14022 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14023 wait = SubtractTimeMarks(&now, &pauseStart);
14024 if(wait < appData.matchPause) {
14025 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14028 // we are now committed to starting the game
14030 DisplayMessage("", "");
14031 if (startedFromSetupPosition) {
14032 SendBoard(&second, backwardMostMove);
14033 if (appData.debugMode) {
14034 fprintf(debugFP, "Two Machines\n");
14037 for (i = backwardMostMove; i < forwardMostMove; i++) {
14038 SendMoveToProgram(i, &second);
14041 gameMode = TwoMachinesPlay;
14042 pausing = startingEngine = FALSE;
14043 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14045 DisplayTwoMachinesTitle();
14047 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14052 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14053 SendToProgram(first.computerString, &first);
14054 if (first.sendName) {
14055 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14056 SendToProgram(buf, &first);
14058 SendToProgram(second.computerString, &second);
14059 if (second.sendName) {
14060 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14061 SendToProgram(buf, &second);
14065 if (!first.sendTime || !second.sendTime) {
14066 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14067 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14069 if (onmove->sendTime) {
14070 if (onmove->useColors) {
14071 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14073 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14075 if (onmove->useColors) {
14076 SendToProgram(onmove->twoMachinesColor, onmove);
14078 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14079 // SendToProgram("go\n", onmove);
14080 onmove->maybeThinking = TRUE;
14081 SetMachineThinkingEnables();
14085 if(bookHit) { // [HGM] book: simulate book reply
14086 static char bookMove[MSG_SIZ]; // a bit generous?
14088 programStats.nodes = programStats.depth = programStats.time =
14089 programStats.score = programStats.got_only_move = 0;
14090 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14092 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14093 strcat(bookMove, bookHit);
14094 savedMessage = bookMove; // args for deferred call
14095 savedState = onmove;
14096 ScheduleDelayedEvent(DeferredBookMove, 1);
14103 if (gameMode == Training) {
14104 SetTrainingModeOff();
14105 gameMode = PlayFromGameFile;
14106 DisplayMessage("", _("Training mode off"));
14108 gameMode = Training;
14109 animateTraining = appData.animate;
14111 /* make sure we are not already at the end of the game */
14112 if (currentMove < forwardMostMove) {
14113 SetTrainingModeOn();
14114 DisplayMessage("", _("Training mode on"));
14116 gameMode = PlayFromGameFile;
14117 DisplayError(_("Already at end of game"), 0);
14126 if (!appData.icsActive) return;
14127 switch (gameMode) {
14128 case IcsPlayingWhite:
14129 case IcsPlayingBlack:
14132 case BeginningOfGame:
14140 EditPositionDone(TRUE);
14153 gameMode = IcsIdle;
14163 switch (gameMode) {
14165 SetTrainingModeOff();
14167 case MachinePlaysWhite:
14168 case MachinePlaysBlack:
14169 case BeginningOfGame:
14170 SendToProgram("force\n", &first);
14171 SetUserThinkingEnables();
14173 case PlayFromGameFile:
14174 (void) StopLoadGameTimer();
14175 if (gameFileFP != NULL) {
14180 EditPositionDone(TRUE);
14185 SendToProgram("force\n", &first);
14187 case TwoMachinesPlay:
14188 GameEnds(EndOfFile, NULL, GE_PLAYER);
14189 ResurrectChessProgram();
14190 SetUserThinkingEnables();
14193 ResurrectChessProgram();
14195 case IcsPlayingBlack:
14196 case IcsPlayingWhite:
14197 DisplayError(_("Warning: You are still playing a game"), 0);
14200 DisplayError(_("Warning: You are still observing a game"), 0);
14203 DisplayError(_("Warning: You are still examining a game"), 0);
14214 first.offeredDraw = second.offeredDraw = 0;
14216 if (gameMode == PlayFromGameFile) {
14217 whiteTimeRemaining = timeRemaining[0][currentMove];
14218 blackTimeRemaining = timeRemaining[1][currentMove];
14222 if (gameMode == MachinePlaysWhite ||
14223 gameMode == MachinePlaysBlack ||
14224 gameMode == TwoMachinesPlay ||
14225 gameMode == EndOfGame) {
14226 i = forwardMostMove;
14227 while (i > currentMove) {
14228 SendToProgram("undo\n", &first);
14231 if(!adjustedClock) {
14232 whiteTimeRemaining = timeRemaining[0][currentMove];
14233 blackTimeRemaining = timeRemaining[1][currentMove];
14234 DisplayBothClocks();
14236 if (whiteFlag || blackFlag) {
14237 whiteFlag = blackFlag = 0;
14242 gameMode = EditGame;
14249 EditPositionEvent ()
14251 if (gameMode == EditPosition) {
14257 if (gameMode != EditGame) return;
14259 gameMode = EditPosition;
14262 if (currentMove > 0)
14263 CopyBoard(boards[0], boards[currentMove]);
14265 blackPlaysFirst = !WhiteOnMove(currentMove);
14267 currentMove = forwardMostMove = backwardMostMove = 0;
14268 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14270 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14276 /* [DM] icsEngineAnalyze - possible call from other functions */
14277 if (appData.icsEngineAnalyze) {
14278 appData.icsEngineAnalyze = FALSE;
14280 DisplayMessage("",_("Close ICS engine analyze..."));
14282 if (first.analysisSupport && first.analyzing) {
14283 SendToBoth("exit\n");
14284 first.analyzing = second.analyzing = FALSE;
14286 thinkOutput[0] = NULLCHAR;
14290 EditPositionDone (Boolean fakeRights)
14292 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14294 startedFromSetupPosition = TRUE;
14295 InitChessProgram(&first, FALSE);
14296 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14297 boards[0][EP_STATUS] = EP_NONE;
14298 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14299 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14300 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14301 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14302 } else boards[0][CASTLING][2] = NoRights;
14303 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14304 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14305 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14306 } else boards[0][CASTLING][5] = NoRights;
14307 if(gameInfo.variant == VariantSChess) {
14309 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14310 boards[0][VIRGIN][i] = 0;
14311 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14312 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14316 SendToProgram("force\n", &first);
14317 if (blackPlaysFirst) {
14318 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14319 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14320 currentMove = forwardMostMove = backwardMostMove = 1;
14321 CopyBoard(boards[1], boards[0]);
14323 currentMove = forwardMostMove = backwardMostMove = 0;
14325 SendBoard(&first, forwardMostMove);
14326 if (appData.debugMode) {
14327 fprintf(debugFP, "EditPosDone\n");
14330 DisplayMessage("", "");
14331 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14332 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14333 gameMode = EditGame;
14335 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14336 ClearHighlights(); /* [AS] */
14339 /* Pause for `ms' milliseconds */
14340 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14342 TimeDelay (long ms)
14349 } while (SubtractTimeMarks(&m2, &m1) < ms);
14352 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14354 SendMultiLineToICS (char *buf)
14356 char temp[MSG_SIZ+1], *p;
14363 strncpy(temp, buf, len);
14368 if (*p == '\n' || *p == '\r')
14373 strcat(temp, "\n");
14375 SendToPlayer(temp, strlen(temp));
14379 SetWhiteToPlayEvent ()
14381 if (gameMode == EditPosition) {
14382 blackPlaysFirst = FALSE;
14383 DisplayBothClocks(); /* works because currentMove is 0 */
14384 } else if (gameMode == IcsExamining) {
14385 SendToICS(ics_prefix);
14386 SendToICS("tomove white\n");
14391 SetBlackToPlayEvent ()
14393 if (gameMode == EditPosition) {
14394 blackPlaysFirst = TRUE;
14395 currentMove = 1; /* kludge */
14396 DisplayBothClocks();
14398 } else if (gameMode == IcsExamining) {
14399 SendToICS(ics_prefix);
14400 SendToICS("tomove black\n");
14405 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14408 ChessSquare piece = boards[0][y][x];
14410 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14412 switch (selection) {
14414 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14415 SendToICS(ics_prefix);
14416 SendToICS("bsetup clear\n");
14417 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14418 SendToICS(ics_prefix);
14419 SendToICS("clearboard\n");
14421 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14422 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14423 for (y = 0; y < BOARD_HEIGHT; y++) {
14424 if (gameMode == IcsExamining) {
14425 if (boards[currentMove][y][x] != EmptySquare) {
14426 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14431 boards[0][y][x] = p;
14436 if (gameMode == EditPosition) {
14437 DrawPosition(FALSE, boards[0]);
14442 SetWhiteToPlayEvent();
14446 SetBlackToPlayEvent();
14450 if (gameMode == IcsExamining) {
14451 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14452 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14455 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14456 if(x == BOARD_LEFT-2) {
14457 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14458 boards[0][y][1] = 0;
14460 if(x == BOARD_RGHT+1) {
14461 if(y >= gameInfo.holdingsSize) break;
14462 boards[0][y][BOARD_WIDTH-2] = 0;
14465 boards[0][y][x] = EmptySquare;
14466 DrawPosition(FALSE, boards[0]);
14471 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14472 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14473 selection = (ChessSquare) (PROMOTED piece);
14474 } else if(piece == EmptySquare) selection = WhiteSilver;
14475 else selection = (ChessSquare)((int)piece - 1);
14479 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14480 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14481 selection = (ChessSquare) (DEMOTED piece);
14482 } else if(piece == EmptySquare) selection = BlackSilver;
14483 else selection = (ChessSquare)((int)piece + 1);
14488 if(gameInfo.variant == VariantShatranj ||
14489 gameInfo.variant == VariantXiangqi ||
14490 gameInfo.variant == VariantCourier ||
14491 gameInfo.variant == VariantMakruk )
14492 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14497 if(gameInfo.variant == VariantXiangqi)
14498 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14499 if(gameInfo.variant == VariantKnightmate)
14500 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14503 if (gameMode == IcsExamining) {
14504 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14505 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14506 PieceToChar(selection), AAA + x, ONE + y);
14509 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14511 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14512 n = PieceToNumber(selection - BlackPawn);
14513 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14514 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14515 boards[0][BOARD_HEIGHT-1-n][1]++;
14517 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14518 n = PieceToNumber(selection);
14519 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14520 boards[0][n][BOARD_WIDTH-1] = selection;
14521 boards[0][n][BOARD_WIDTH-2]++;
14524 boards[0][y][x] = selection;
14525 DrawPosition(TRUE, boards[0]);
14527 fromX = fromY = -1;
14535 DropMenuEvent (ChessSquare selection, int x, int y)
14537 ChessMove moveType;
14539 switch (gameMode) {
14540 case IcsPlayingWhite:
14541 case MachinePlaysBlack:
14542 if (!WhiteOnMove(currentMove)) {
14543 DisplayMoveError(_("It is Black's turn"));
14546 moveType = WhiteDrop;
14548 case IcsPlayingBlack:
14549 case MachinePlaysWhite:
14550 if (WhiteOnMove(currentMove)) {
14551 DisplayMoveError(_("It is White's turn"));
14554 moveType = BlackDrop;
14557 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14563 if (moveType == BlackDrop && selection < BlackPawn) {
14564 selection = (ChessSquare) ((int) selection
14565 + (int) BlackPawn - (int) WhitePawn);
14567 if (boards[currentMove][y][x] != EmptySquare) {
14568 DisplayMoveError(_("That square is occupied"));
14572 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14578 /* Accept a pending offer of any kind from opponent */
14580 if (appData.icsActive) {
14581 SendToICS(ics_prefix);
14582 SendToICS("accept\n");
14583 } else if (cmailMsgLoaded) {
14584 if (currentMove == cmailOldMove &&
14585 commentList[cmailOldMove] != NULL &&
14586 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14587 "Black offers a draw" : "White offers a draw")) {
14589 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14590 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14592 DisplayError(_("There is no pending offer on this move"), 0);
14593 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14596 /* Not used for offers from chess program */
14603 /* Decline a pending offer of any kind from opponent */
14605 if (appData.icsActive) {
14606 SendToICS(ics_prefix);
14607 SendToICS("decline\n");
14608 } else if (cmailMsgLoaded) {
14609 if (currentMove == cmailOldMove &&
14610 commentList[cmailOldMove] != NULL &&
14611 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14612 "Black offers a draw" : "White offers a draw")) {
14614 AppendComment(cmailOldMove, "Draw declined", TRUE);
14615 DisplayComment(cmailOldMove - 1, "Draw declined");
14618 DisplayError(_("There is no pending offer on this move"), 0);
14621 /* Not used for offers from chess program */
14628 /* Issue ICS rematch command */
14629 if (appData.icsActive) {
14630 SendToICS(ics_prefix);
14631 SendToICS("rematch\n");
14638 /* Call your opponent's flag (claim a win on time) */
14639 if (appData.icsActive) {
14640 SendToICS(ics_prefix);
14641 SendToICS("flag\n");
14643 switch (gameMode) {
14646 case MachinePlaysWhite:
14649 GameEnds(GameIsDrawn, "Both players ran out of time",
14652 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14654 DisplayError(_("Your opponent is not out of time"), 0);
14657 case MachinePlaysBlack:
14660 GameEnds(GameIsDrawn, "Both players ran out of time",
14663 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14665 DisplayError(_("Your opponent is not out of time"), 0);
14673 ClockClick (int which)
14674 { // [HGM] code moved to back-end from winboard.c
14675 if(which) { // black clock
14676 if (gameMode == EditPosition || gameMode == IcsExamining) {
14677 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14678 SetBlackToPlayEvent();
14679 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14680 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14681 } else if (shiftKey) {
14682 AdjustClock(which, -1);
14683 } else if (gameMode == IcsPlayingWhite ||
14684 gameMode == MachinePlaysBlack) {
14687 } else { // white clock
14688 if (gameMode == EditPosition || gameMode == IcsExamining) {
14689 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14690 SetWhiteToPlayEvent();
14691 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14692 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14693 } else if (shiftKey) {
14694 AdjustClock(which, -1);
14695 } else if (gameMode == IcsPlayingBlack ||
14696 gameMode == MachinePlaysWhite) {
14705 /* Offer draw or accept pending draw offer from opponent */
14707 if (appData.icsActive) {
14708 /* Note: tournament rules require draw offers to be
14709 made after you make your move but before you punch
14710 your clock. Currently ICS doesn't let you do that;
14711 instead, you immediately punch your clock after making
14712 a move, but you can offer a draw at any time. */
14714 SendToICS(ics_prefix);
14715 SendToICS("draw\n");
14716 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14717 } else if (cmailMsgLoaded) {
14718 if (currentMove == cmailOldMove &&
14719 commentList[cmailOldMove] != NULL &&
14720 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14721 "Black offers a draw" : "White offers a draw")) {
14722 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14723 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14724 } else if (currentMove == cmailOldMove + 1) {
14725 char *offer = WhiteOnMove(cmailOldMove) ?
14726 "White offers a draw" : "Black offers a draw";
14727 AppendComment(currentMove, offer, TRUE);
14728 DisplayComment(currentMove - 1, offer);
14729 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14731 DisplayError(_("You must make your move before offering a draw"), 0);
14732 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14734 } else if (first.offeredDraw) {
14735 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14737 if (first.sendDrawOffers) {
14738 SendToProgram("draw\n", &first);
14739 userOfferedDraw = TRUE;
14747 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14749 if (appData.icsActive) {
14750 SendToICS(ics_prefix);
14751 SendToICS("adjourn\n");
14753 /* Currently GNU Chess doesn't offer or accept Adjourns */
14761 /* Offer Abort or accept pending Abort offer from opponent */
14763 if (appData.icsActive) {
14764 SendToICS(ics_prefix);
14765 SendToICS("abort\n");
14767 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14774 /* Resign. You can do this even if it's not your turn. */
14776 if (appData.icsActive) {
14777 SendToICS(ics_prefix);
14778 SendToICS("resign\n");
14780 switch (gameMode) {
14781 case MachinePlaysWhite:
14782 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14784 case MachinePlaysBlack:
14785 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14788 if (cmailMsgLoaded) {
14790 if (WhiteOnMove(cmailOldMove)) {
14791 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14793 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14795 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14806 StopObservingEvent ()
14808 /* Stop observing current games */
14809 SendToICS(ics_prefix);
14810 SendToICS("unobserve\n");
14814 StopExaminingEvent ()
14816 /* Stop observing current game */
14817 SendToICS(ics_prefix);
14818 SendToICS("unexamine\n");
14822 ForwardInner (int target)
14824 int limit; int oldSeekGraphUp = seekGraphUp;
14826 if (appData.debugMode)
14827 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14828 target, currentMove, forwardMostMove);
14830 if (gameMode == EditPosition)
14833 seekGraphUp = FALSE;
14834 MarkTargetSquares(1);
14836 if (gameMode == PlayFromGameFile && !pausing)
14839 if (gameMode == IcsExamining && pausing)
14840 limit = pauseExamForwardMostMove;
14842 limit = forwardMostMove;
14844 if (target > limit) target = limit;
14846 if (target > 0 && moveList[target - 1][0]) {
14847 int fromX, fromY, toX, toY;
14848 toX = moveList[target - 1][2] - AAA;
14849 toY = moveList[target - 1][3] - ONE;
14850 if (moveList[target - 1][1] == '@') {
14851 if (appData.highlightLastMove) {
14852 SetHighlights(-1, -1, toX, toY);
14855 fromX = moveList[target - 1][0] - AAA;
14856 fromY = moveList[target - 1][1] - ONE;
14857 if (target == currentMove + 1) {
14858 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14860 if (appData.highlightLastMove) {
14861 SetHighlights(fromX, fromY, toX, toY);
14865 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14866 gameMode == Training || gameMode == PlayFromGameFile ||
14867 gameMode == AnalyzeFile) {
14868 while (currentMove < target) {
14869 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14870 SendMoveToProgram(currentMove++, &first);
14873 currentMove = target;
14876 if (gameMode == EditGame || gameMode == EndOfGame) {
14877 whiteTimeRemaining = timeRemaining[0][currentMove];
14878 blackTimeRemaining = timeRemaining[1][currentMove];
14880 DisplayBothClocks();
14881 DisplayMove(currentMove - 1);
14882 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14883 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14884 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14885 DisplayComment(currentMove - 1, commentList[currentMove]);
14887 ClearMap(); // [HGM] exclude: invalidate map
14894 if (gameMode == IcsExamining && !pausing) {
14895 SendToICS(ics_prefix);
14896 SendToICS("forward\n");
14898 ForwardInner(currentMove + 1);
14905 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14906 /* to optimze, we temporarily turn off analysis mode while we feed
14907 * the remaining moves to the engine. Otherwise we get analysis output
14910 if (first.analysisSupport) {
14911 SendToProgram("exit\nforce\n", &first);
14912 first.analyzing = FALSE;
14916 if (gameMode == IcsExamining && !pausing) {
14917 SendToICS(ics_prefix);
14918 SendToICS("forward 999999\n");
14920 ForwardInner(forwardMostMove);
14923 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14924 /* we have fed all the moves, so reactivate analysis mode */
14925 SendToProgram("analyze\n", &first);
14926 first.analyzing = TRUE;
14927 /*first.maybeThinking = TRUE;*/
14928 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14933 BackwardInner (int target)
14935 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14937 if (appData.debugMode)
14938 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14939 target, currentMove, forwardMostMove);
14941 if (gameMode == EditPosition) return;
14942 seekGraphUp = FALSE;
14943 MarkTargetSquares(1);
14944 if (currentMove <= backwardMostMove) {
14946 DrawPosition(full_redraw, boards[currentMove]);
14949 if (gameMode == PlayFromGameFile && !pausing)
14952 if (moveList[target][0]) {
14953 int fromX, fromY, toX, toY;
14954 toX = moveList[target][2] - AAA;
14955 toY = moveList[target][3] - ONE;
14956 if (moveList[target][1] == '@') {
14957 if (appData.highlightLastMove) {
14958 SetHighlights(-1, -1, toX, toY);
14961 fromX = moveList[target][0] - AAA;
14962 fromY = moveList[target][1] - ONE;
14963 if (target == currentMove - 1) {
14964 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14966 if (appData.highlightLastMove) {
14967 SetHighlights(fromX, fromY, toX, toY);
14971 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14972 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14973 while (currentMove > target) {
14974 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14975 // null move cannot be undone. Reload program with move history before it.
14977 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14978 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14980 SendBoard(&first, i);
14981 if(second.analyzing) SendBoard(&second, i);
14982 for(currentMove=i; currentMove<target; currentMove++) {
14983 SendMoveToProgram(currentMove, &first);
14984 if(second.analyzing) SendMoveToProgram(currentMove, &second);
14988 SendToBoth("undo\n");
14992 currentMove = target;
14995 if (gameMode == EditGame || gameMode == EndOfGame) {
14996 whiteTimeRemaining = timeRemaining[0][currentMove];
14997 blackTimeRemaining = timeRemaining[1][currentMove];
14999 DisplayBothClocks();
15000 DisplayMove(currentMove - 1);
15001 DrawPosition(full_redraw, boards[currentMove]);
15002 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15003 // [HGM] PV info: routine tests if comment empty
15004 DisplayComment(currentMove - 1, commentList[currentMove]);
15005 ClearMap(); // [HGM] exclude: invalidate map
15011 if (gameMode == IcsExamining && !pausing) {
15012 SendToICS(ics_prefix);
15013 SendToICS("backward\n");
15015 BackwardInner(currentMove - 1);
15022 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15023 /* to optimize, we temporarily turn off analysis mode while we undo
15024 * all the moves. Otherwise we get analysis output after each undo.
15026 if (first.analysisSupport) {
15027 SendToProgram("exit\nforce\n", &first);
15028 first.analyzing = FALSE;
15032 if (gameMode == IcsExamining && !pausing) {
15033 SendToICS(ics_prefix);
15034 SendToICS("backward 999999\n");
15036 BackwardInner(backwardMostMove);
15039 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15040 /* we have fed all the moves, so reactivate analysis mode */
15041 SendToProgram("analyze\n", &first);
15042 first.analyzing = TRUE;
15043 /*first.maybeThinking = TRUE;*/
15044 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15051 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15052 if (to >= forwardMostMove) to = forwardMostMove;
15053 if (to <= backwardMostMove) to = backwardMostMove;
15054 if (to < currentMove) {
15062 RevertEvent (Boolean annotate)
15064 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15067 if (gameMode != IcsExamining) {
15068 DisplayError(_("You are not examining a game"), 0);
15072 DisplayError(_("You can't revert while pausing"), 0);
15075 SendToICS(ics_prefix);
15076 SendToICS("revert\n");
15080 RetractMoveEvent ()
15082 switch (gameMode) {
15083 case MachinePlaysWhite:
15084 case MachinePlaysBlack:
15085 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15086 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
15089 if (forwardMostMove < 2) return;
15090 currentMove = forwardMostMove = forwardMostMove - 2;
15091 whiteTimeRemaining = timeRemaining[0][currentMove];
15092 blackTimeRemaining = timeRemaining[1][currentMove];
15093 DisplayBothClocks();
15094 DisplayMove(currentMove - 1);
15095 ClearHighlights();/*!! could figure this out*/
15096 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15097 SendToProgram("remove\n", &first);
15098 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15101 case BeginningOfGame:
15105 case IcsPlayingWhite:
15106 case IcsPlayingBlack:
15107 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15108 SendToICS(ics_prefix);
15109 SendToICS("takeback 2\n");
15111 SendToICS(ics_prefix);
15112 SendToICS("takeback 1\n");
15121 ChessProgramState *cps;
15123 switch (gameMode) {
15124 case MachinePlaysWhite:
15125 if (!WhiteOnMove(forwardMostMove)) {
15126 DisplayError(_("It is your turn"), 0);
15131 case MachinePlaysBlack:
15132 if (WhiteOnMove(forwardMostMove)) {
15133 DisplayError(_("It is your turn"), 0);
15138 case TwoMachinesPlay:
15139 if (WhiteOnMove(forwardMostMove) ==
15140 (first.twoMachinesColor[0] == 'w')) {
15146 case BeginningOfGame:
15150 SendToProgram("?\n", cps);
15154 TruncateGameEvent ()
15157 if (gameMode != EditGame) return;
15164 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15165 if (forwardMostMove > currentMove) {
15166 if (gameInfo.resultDetails != NULL) {
15167 free(gameInfo.resultDetails);
15168 gameInfo.resultDetails = NULL;
15169 gameInfo.result = GameUnfinished;
15171 forwardMostMove = currentMove;
15172 HistorySet(parseList, backwardMostMove, forwardMostMove,
15180 if (appData.noChessProgram) return;
15181 switch (gameMode) {
15182 case MachinePlaysWhite:
15183 if (WhiteOnMove(forwardMostMove)) {
15184 DisplayError(_("Wait until your turn"), 0);
15188 case BeginningOfGame:
15189 case MachinePlaysBlack:
15190 if (!WhiteOnMove(forwardMostMove)) {
15191 DisplayError(_("Wait until your turn"), 0);
15196 DisplayError(_("No hint available"), 0);
15199 SendToProgram("hint\n", &first);
15200 hintRequested = TRUE;
15206 ListGame * lg = (ListGame *) gameList.head;
15209 static int secondTime = FALSE;
15211 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15212 DisplayError(_("Game list not loaded or empty"), 0);
15216 if(!secondTime && (f = fopen(appData.polyglotBook, "r"))) {
15219 DisplayNote(_("Book file exists! Try again for overwrite."));
15223 creatingBook = TRUE;
15224 secondTime = FALSE;
15226 /* Get list size */
15227 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15228 LoadGame(f, nItem, "", TRUE);
15229 AddGameToBook(TRUE);
15230 lg = (ListGame *) lg->node.succ;
15233 creatingBook = FALSE;
15240 if (appData.noChessProgram) return;
15241 switch (gameMode) {
15242 case MachinePlaysWhite:
15243 if (WhiteOnMove(forwardMostMove)) {
15244 DisplayError(_("Wait until your turn"), 0);
15248 case BeginningOfGame:
15249 case MachinePlaysBlack:
15250 if (!WhiteOnMove(forwardMostMove)) {
15251 DisplayError(_("Wait until your turn"), 0);
15256 EditPositionDone(TRUE);
15258 case TwoMachinesPlay:
15263 SendToProgram("bk\n", &first);
15264 bookOutput[0] = NULLCHAR;
15265 bookRequested = TRUE;
15271 char *tags = PGNTags(&gameInfo);
15272 TagsPopUp(tags, CmailMsg());
15276 /* end button procedures */
15279 PrintPosition (FILE *fp, int move)
15283 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15284 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15285 char c = PieceToChar(boards[move][i][j]);
15286 fputc(c == 'x' ? '.' : c, fp);
15287 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15290 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15291 fprintf(fp, "white to play\n");
15293 fprintf(fp, "black to play\n");
15297 PrintOpponents (FILE *fp)
15299 if (gameInfo.white != NULL) {
15300 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15306 /* Find last component of program's own name, using some heuristics */
15308 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15311 int local = (strcmp(host, "localhost") == 0);
15312 while (!local && (p = strchr(prog, ';')) != NULL) {
15314 while (*p == ' ') p++;
15317 if (*prog == '"' || *prog == '\'') {
15318 q = strchr(prog + 1, *prog);
15320 q = strchr(prog, ' ');
15322 if (q == NULL) q = prog + strlen(prog);
15324 while (p >= prog && *p != '/' && *p != '\\') p--;
15326 if(p == prog && *p == '"') p++;
15328 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15329 memcpy(buf, p, q - p);
15330 buf[q - p] = NULLCHAR;
15338 TimeControlTagValue ()
15341 if (!appData.clockMode) {
15342 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15343 } else if (movesPerSession > 0) {
15344 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15345 } else if (timeIncrement == 0) {
15346 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15348 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15350 return StrSave(buf);
15356 /* This routine is used only for certain modes */
15357 VariantClass v = gameInfo.variant;
15358 ChessMove r = GameUnfinished;
15361 if(keepInfo) return;
15363 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15364 r = gameInfo.result;
15365 p = gameInfo.resultDetails;
15366 gameInfo.resultDetails = NULL;
15368 ClearGameInfo(&gameInfo);
15369 gameInfo.variant = v;
15371 switch (gameMode) {
15372 case MachinePlaysWhite:
15373 gameInfo.event = StrSave( appData.pgnEventHeader );
15374 gameInfo.site = StrSave(HostName());
15375 gameInfo.date = PGNDate();
15376 gameInfo.round = StrSave("-");
15377 gameInfo.white = StrSave(first.tidy);
15378 gameInfo.black = StrSave(UserName());
15379 gameInfo.timeControl = TimeControlTagValue();
15382 case MachinePlaysBlack:
15383 gameInfo.event = StrSave( appData.pgnEventHeader );
15384 gameInfo.site = StrSave(HostName());
15385 gameInfo.date = PGNDate();
15386 gameInfo.round = StrSave("-");
15387 gameInfo.white = StrSave(UserName());
15388 gameInfo.black = StrSave(first.tidy);
15389 gameInfo.timeControl = TimeControlTagValue();
15392 case TwoMachinesPlay:
15393 gameInfo.event = StrSave( appData.pgnEventHeader );
15394 gameInfo.site = StrSave(HostName());
15395 gameInfo.date = PGNDate();
15398 snprintf(buf, MSG_SIZ, "%d", roundNr);
15399 gameInfo.round = StrSave(buf);
15401 gameInfo.round = StrSave("-");
15403 if (first.twoMachinesColor[0] == 'w') {
15404 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15405 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15407 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15408 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15410 gameInfo.timeControl = TimeControlTagValue();
15414 gameInfo.event = StrSave("Edited game");
15415 gameInfo.site = StrSave(HostName());
15416 gameInfo.date = PGNDate();
15417 gameInfo.round = StrSave("-");
15418 gameInfo.white = StrSave("-");
15419 gameInfo.black = StrSave("-");
15420 gameInfo.result = r;
15421 gameInfo.resultDetails = p;
15425 gameInfo.event = StrSave("Edited position");
15426 gameInfo.site = StrSave(HostName());
15427 gameInfo.date = PGNDate();
15428 gameInfo.round = StrSave("-");
15429 gameInfo.white = StrSave("-");
15430 gameInfo.black = StrSave("-");
15433 case IcsPlayingWhite:
15434 case IcsPlayingBlack:
15439 case PlayFromGameFile:
15440 gameInfo.event = StrSave("Game from non-PGN file");
15441 gameInfo.site = StrSave(HostName());
15442 gameInfo.date = PGNDate();
15443 gameInfo.round = StrSave("-");
15444 gameInfo.white = StrSave("?");
15445 gameInfo.black = StrSave("?");
15454 ReplaceComment (int index, char *text)
15460 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15461 pvInfoList[index-1].depth == len &&
15462 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15463 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15464 while (*text == '\n') text++;
15465 len = strlen(text);
15466 while (len > 0 && text[len - 1] == '\n') len--;
15468 if (commentList[index] != NULL)
15469 free(commentList[index]);
15472 commentList[index] = NULL;
15475 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15476 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15477 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15478 commentList[index] = (char *) malloc(len + 2);
15479 strncpy(commentList[index], text, len);
15480 commentList[index][len] = '\n';
15481 commentList[index][len + 1] = NULLCHAR;
15483 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15485 commentList[index] = (char *) malloc(len + 7);
15486 safeStrCpy(commentList[index], "{\n", 3);
15487 safeStrCpy(commentList[index]+2, text, len+1);
15488 commentList[index][len+2] = NULLCHAR;
15489 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15490 strcat(commentList[index], "\n}\n");
15495 CrushCRs (char *text)
15503 if (ch == '\r') continue;
15505 } while (ch != '\0');
15509 AppendComment (int index, char *text, Boolean addBraces)
15510 /* addBraces tells if we should add {} */
15515 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15516 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15519 while (*text == '\n') text++;
15520 len = strlen(text);
15521 while (len > 0 && text[len - 1] == '\n') len--;
15522 text[len] = NULLCHAR;
15524 if (len == 0) return;
15526 if (commentList[index] != NULL) {
15527 Boolean addClosingBrace = addBraces;
15528 old = commentList[index];
15529 oldlen = strlen(old);
15530 while(commentList[index][oldlen-1] == '\n')
15531 commentList[index][--oldlen] = NULLCHAR;
15532 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15533 safeStrCpy(commentList[index], old, oldlen + len + 6);
15535 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15536 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15537 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15538 while (*text == '\n') { text++; len--; }
15539 commentList[index][--oldlen] = NULLCHAR;
15541 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15542 else strcat(commentList[index], "\n");
15543 strcat(commentList[index], text);
15544 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15545 else strcat(commentList[index], "\n");
15547 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15549 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15550 else commentList[index][0] = NULLCHAR;
15551 strcat(commentList[index], text);
15552 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15553 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15558 FindStr (char * text, char * sub_text)
15560 char * result = strstr( text, sub_text );
15562 if( result != NULL ) {
15563 result += strlen( sub_text );
15569 /* [AS] Try to extract PV info from PGN comment */
15570 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15572 GetInfoFromComment (int index, char * text)
15574 char * sep = text, *p;
15576 if( text != NULL && index > 0 ) {
15579 int time = -1, sec = 0, deci;
15580 char * s_eval = FindStr( text, "[%eval " );
15581 char * s_emt = FindStr( text, "[%emt " );
15583 if( s_eval != NULL || s_emt != NULL ) {
15587 if( s_eval != NULL ) {
15588 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15592 if( delim != ']' ) {
15597 if( s_emt != NULL ) {
15602 /* We expect something like: [+|-]nnn.nn/dd */
15605 if(*text != '{') return text; // [HGM] braces: must be normal comment
15607 sep = strchr( text, '/' );
15608 if( sep == NULL || sep < (text+4) ) {
15613 if(p[1] == '(') { // comment starts with PV
15614 p = strchr(p, ')'); // locate end of PV
15615 if(p == NULL || sep < p+5) return text;
15616 // at this point we have something like "{(.*) +0.23/6 ..."
15617 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15618 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15619 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15621 time = -1; sec = -1; deci = -1;
15622 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15623 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15624 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15625 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15629 if( score_lo < 0 || score_lo >= 100 ) {
15633 if(sec >= 0) time = 600*time + 10*sec; else
15634 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15636 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15638 /* [HGM] PV time: now locate end of PV info */
15639 while( *++sep >= '0' && *sep <= '9'); // strip depth
15641 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15643 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15645 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15646 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15657 pvInfoList[index-1].depth = depth;
15658 pvInfoList[index-1].score = score;
15659 pvInfoList[index-1].time = 10*time; // centi-sec
15660 if(*sep == '}') *sep = 0; else *--sep = '{';
15661 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15667 SendToProgram (char *message, ChessProgramState *cps)
15669 int count, outCount, error;
15672 if (cps->pr == NoProc) return;
15675 if (appData.debugMode) {
15678 fprintf(debugFP, "%ld >%-6s: %s",
15679 SubtractTimeMarks(&now, &programStartTime),
15680 cps->which, message);
15682 fprintf(serverFP, "%ld >%-6s: %s",
15683 SubtractTimeMarks(&now, &programStartTime),
15684 cps->which, message), fflush(serverFP);
15687 count = strlen(message);
15688 outCount = OutputToProcess(cps->pr, message, count, &error);
15689 if (outCount < count && !exiting
15690 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15691 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15692 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15693 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15694 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15695 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15696 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15697 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15699 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15700 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15701 gameInfo.result = res;
15703 gameInfo.resultDetails = StrSave(buf);
15705 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15706 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15711 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15715 ChessProgramState *cps = (ChessProgramState *)closure;
15717 if (isr != cps->isr) return; /* Killed intentionally */
15720 RemoveInputSource(cps->isr);
15721 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15722 _(cps->which), cps->program);
15723 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15724 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15725 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15726 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15727 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15728 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15730 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15731 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15732 gameInfo.result = res;
15734 gameInfo.resultDetails = StrSave(buf);
15736 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15737 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15739 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15740 _(cps->which), cps->program);
15741 RemoveInputSource(cps->isr);
15743 /* [AS] Program is misbehaving badly... kill it */
15744 if( count == -2 ) {
15745 DestroyChildProcess( cps->pr, 9 );
15749 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15754 if ((end_str = strchr(message, '\r')) != NULL)
15755 *end_str = NULLCHAR;
15756 if ((end_str = strchr(message, '\n')) != NULL)
15757 *end_str = NULLCHAR;
15759 if (appData.debugMode) {
15760 TimeMark now; int print = 1;
15761 char *quote = ""; char c; int i;
15763 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15764 char start = message[0];
15765 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15766 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15767 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15768 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15769 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15770 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15771 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15772 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15773 sscanf(message, "hint: %c", &c)!=1 &&
15774 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15775 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15776 print = (appData.engineComments >= 2);
15778 message[0] = start; // restore original message
15782 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15783 SubtractTimeMarks(&now, &programStartTime), cps->which,
15787 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15788 SubtractTimeMarks(&now, &programStartTime), cps->which,
15790 message), fflush(serverFP);
15794 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15795 if (appData.icsEngineAnalyze) {
15796 if (strstr(message, "whisper") != NULL ||
15797 strstr(message, "kibitz") != NULL ||
15798 strstr(message, "tellics") != NULL) return;
15801 HandleMachineMove(message, cps);
15806 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15811 if( timeControl_2 > 0 ) {
15812 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15813 tc = timeControl_2;
15816 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15817 inc /= cps->timeOdds;
15818 st /= cps->timeOdds;
15820 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15823 /* Set exact time per move, normally using st command */
15824 if (cps->stKludge) {
15825 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15827 if (seconds == 0) {
15828 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15830 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15833 snprintf(buf, MSG_SIZ, "st %d\n", st);
15836 /* Set conventional or incremental time control, using level command */
15837 if (seconds == 0) {
15838 /* Note old gnuchess bug -- minutes:seconds used to not work.
15839 Fixed in later versions, but still avoid :seconds
15840 when seconds is 0. */
15841 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15843 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15844 seconds, inc/1000.);
15847 SendToProgram(buf, cps);
15849 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15850 /* Orthogonally, limit search to given depth */
15852 if (cps->sdKludge) {
15853 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15855 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15857 SendToProgram(buf, cps);
15860 if(cps->nps >= 0) { /* [HGM] nps */
15861 if(cps->supportsNPS == FALSE)
15862 cps->nps = -1; // don't use if engine explicitly says not supported!
15864 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15865 SendToProgram(buf, cps);
15870 ChessProgramState *
15872 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15874 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15875 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15881 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15883 char message[MSG_SIZ];
15886 /* Note: this routine must be called when the clocks are stopped
15887 or when they have *just* been set or switched; otherwise
15888 it will be off by the time since the current tick started.
15890 if (machineWhite) {
15891 time = whiteTimeRemaining / 10;
15892 otime = blackTimeRemaining / 10;
15894 time = blackTimeRemaining / 10;
15895 otime = whiteTimeRemaining / 10;
15897 /* [HGM] translate opponent's time by time-odds factor */
15898 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15900 if (time <= 0) time = 1;
15901 if (otime <= 0) otime = 1;
15903 snprintf(message, MSG_SIZ, "time %ld\n", time);
15904 SendToProgram(message, cps);
15906 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15907 SendToProgram(message, cps);
15911 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15914 int len = strlen(name);
15917 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15919 sscanf(*p, "%d", &val);
15921 while (**p && **p != ' ')
15923 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15924 SendToProgram(buf, cps);
15931 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15934 int len = strlen(name);
15935 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15937 sscanf(*p, "%d", loc);
15938 while (**p && **p != ' ') (*p)++;
15939 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15940 SendToProgram(buf, cps);
15947 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15950 int len = strlen(name);
15951 if (strncmp((*p), name, len) == 0
15952 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15954 sscanf(*p, "%[^\"]", loc);
15955 while (**p && **p != '\"') (*p)++;
15956 if (**p == '\"') (*p)++;
15957 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15958 SendToProgram(buf, cps);
15965 ParseOption (Option *opt, ChessProgramState *cps)
15966 // [HGM] options: process the string that defines an engine option, and determine
15967 // name, type, default value, and allowed value range
15969 char *p, *q, buf[MSG_SIZ];
15970 int n, min = (-1)<<31, max = 1<<31, def;
15972 if(p = strstr(opt->name, " -spin ")) {
15973 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15974 if(max < min) max = min; // enforce consistency
15975 if(def < min) def = min;
15976 if(def > max) def = max;
15981 } else if((p = strstr(opt->name, " -slider "))) {
15982 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15983 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15984 if(max < min) max = min; // enforce consistency
15985 if(def < min) def = min;
15986 if(def > max) def = max;
15990 opt->type = Spin; // Slider;
15991 } else if((p = strstr(opt->name, " -string "))) {
15992 opt->textValue = p+9;
15993 opt->type = TextBox;
15994 } else if((p = strstr(opt->name, " -file "))) {
15995 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15996 opt->textValue = p+7;
15997 opt->type = FileName; // FileName;
15998 } else if((p = strstr(opt->name, " -path "))) {
15999 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16000 opt->textValue = p+7;
16001 opt->type = PathName; // PathName;
16002 } else if(p = strstr(opt->name, " -check ")) {
16003 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16004 opt->value = (def != 0);
16005 opt->type = CheckBox;
16006 } else if(p = strstr(opt->name, " -combo ")) {
16007 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16008 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16009 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16010 opt->value = n = 0;
16011 while(q = StrStr(q, " /// ")) {
16012 n++; *q = 0; // count choices, and null-terminate each of them
16014 if(*q == '*') { // remember default, which is marked with * prefix
16018 cps->comboList[cps->comboCnt++] = q;
16020 cps->comboList[cps->comboCnt++] = NULL;
16022 opt->type = ComboBox;
16023 } else if(p = strstr(opt->name, " -button")) {
16024 opt->type = Button;
16025 } else if(p = strstr(opt->name, " -save")) {
16026 opt->type = SaveButton;
16027 } else return FALSE;
16028 *p = 0; // terminate option name
16029 // now look if the command-line options define a setting for this engine option.
16030 if(cps->optionSettings && cps->optionSettings[0])
16031 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16032 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16033 snprintf(buf, MSG_SIZ, "option %s", p);
16034 if(p = strstr(buf, ",")) *p = 0;
16035 if(q = strchr(buf, '=')) switch(opt->type) {
16037 for(n=0; n<opt->max; n++)
16038 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16041 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16045 opt->value = atoi(q+1);
16050 SendToProgram(buf, cps);
16056 FeatureDone (ChessProgramState *cps, int val)
16058 DelayedEventCallback cb = GetDelayedEvent();
16059 if ((cb == InitBackEnd3 && cps == &first) ||
16060 (cb == SettingsMenuIfReady && cps == &second) ||
16061 (cb == LoadEngine) ||
16062 (cb == TwoMachinesEventIfReady)) {
16063 CancelDelayedEvent();
16064 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16066 cps->initDone = val;
16067 if(val) cps->reload = FALSE;
16070 /* Parse feature command from engine */
16072 ParseFeatures (char *args, ChessProgramState *cps)
16080 while (*p == ' ') p++;
16081 if (*p == NULLCHAR) return;
16083 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16084 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16085 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16086 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16087 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16088 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16089 if (BoolFeature(&p, "reuse", &val, cps)) {
16090 /* Engine can disable reuse, but can't enable it if user said no */
16091 if (!val) cps->reuse = FALSE;
16094 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16095 if (StringFeature(&p, "myname", cps->tidy, cps)) {
16096 if (gameMode == TwoMachinesPlay) {
16097 DisplayTwoMachinesTitle();
16103 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
16104 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16105 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16106 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16107 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16108 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16109 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16110 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16111 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16112 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16113 if (IntFeature(&p, "done", &val, cps)) {
16114 FeatureDone(cps, val);
16117 /* Added by Tord: */
16118 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16119 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16120 /* End of additions by Tord */
16122 /* [HGM] added features: */
16123 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16124 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16125 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16126 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16127 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16128 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
16129 if (StringFeature(&p, "option", buf, cps)) {
16130 if(cps->reload) continue; // we are reloading because of xreuse
16131 FREE(cps->option[cps->nrOptions].name);
16132 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
16133 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
16134 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16135 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16136 SendToProgram(buf, cps);
16139 if(cps->nrOptions >= MAX_OPTIONS) {
16141 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16142 DisplayError(buf, 0);
16146 /* End of additions by HGM */
16148 /* unknown feature: complain and skip */
16150 while (*q && *q != '=') q++;
16151 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16152 SendToProgram(buf, cps);
16158 while (*p && *p != '\"') p++;
16159 if (*p == '\"') p++;
16161 while (*p && *p != ' ') p++;
16169 PeriodicUpdatesEvent (int newState)
16171 if (newState == appData.periodicUpdates)
16174 appData.periodicUpdates=newState;
16176 /* Display type changes, so update it now */
16177 // DisplayAnalysis();
16179 /* Get the ball rolling again... */
16181 AnalysisPeriodicEvent(1);
16182 StartAnalysisClock();
16187 PonderNextMoveEvent (int newState)
16189 if (newState == appData.ponderNextMove) return;
16190 if (gameMode == EditPosition) EditPositionDone(TRUE);
16192 SendToProgram("hard\n", &first);
16193 if (gameMode == TwoMachinesPlay) {
16194 SendToProgram("hard\n", &second);
16197 SendToProgram("easy\n", &first);
16198 thinkOutput[0] = NULLCHAR;
16199 if (gameMode == TwoMachinesPlay) {
16200 SendToProgram("easy\n", &second);
16203 appData.ponderNextMove = newState;
16207 NewSettingEvent (int option, int *feature, char *command, int value)
16211 if (gameMode == EditPosition) EditPositionDone(TRUE);
16212 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16213 if(feature == NULL || *feature) SendToProgram(buf, &first);
16214 if (gameMode == TwoMachinesPlay) {
16215 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16220 ShowThinkingEvent ()
16221 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16223 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16224 int newState = appData.showThinking
16225 // [HGM] thinking: other features now need thinking output as well
16226 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16228 if (oldState == newState) return;
16229 oldState = newState;
16230 if (gameMode == EditPosition) EditPositionDone(TRUE);
16232 SendToProgram("post\n", &first);
16233 if (gameMode == TwoMachinesPlay) {
16234 SendToProgram("post\n", &second);
16237 SendToProgram("nopost\n", &first);
16238 thinkOutput[0] = NULLCHAR;
16239 if (gameMode == TwoMachinesPlay) {
16240 SendToProgram("nopost\n", &second);
16243 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16247 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16249 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16250 if (pr == NoProc) return;
16251 AskQuestion(title, question, replyPrefix, pr);
16255 TypeInEvent (char firstChar)
16257 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16258 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16259 gameMode == AnalyzeMode || gameMode == EditGame ||
16260 gameMode == EditPosition || gameMode == IcsExamining ||
16261 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16262 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16263 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16264 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16265 gameMode == Training) PopUpMoveDialog(firstChar);
16269 TypeInDoneEvent (char *move)
16272 int n, fromX, fromY, toX, toY;
16274 ChessMove moveType;
16277 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
16278 EditPositionPasteFEN(move);
16281 // [HGM] movenum: allow move number to be typed in any mode
16282 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16286 // undocumented kludge: allow command-line option to be typed in!
16287 // (potentially fatal, and does not implement the effect of the option.)
16288 // should only be used for options that are values on which future decisions will be made,
16289 // and definitely not on options that would be used during initialization.
16290 if(strstr(move, "!!! -") == move) {
16291 ParseArgsFromString(move+4);
16295 if (gameMode != EditGame && currentMove != forwardMostMove &&
16296 gameMode != Training) {
16297 DisplayMoveError(_("Displayed move is not current"));
16299 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16300 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16301 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16302 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16303 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16304 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16306 DisplayMoveError(_("Could not parse move"));
16312 DisplayMove (int moveNumber)
16314 char message[MSG_SIZ];
16316 char cpThinkOutput[MSG_SIZ];
16318 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16320 if (moveNumber == forwardMostMove - 1 ||
16321 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16323 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16325 if (strchr(cpThinkOutput, '\n')) {
16326 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16329 *cpThinkOutput = NULLCHAR;
16332 /* [AS] Hide thinking from human user */
16333 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16334 *cpThinkOutput = NULLCHAR;
16335 if( thinkOutput[0] != NULLCHAR ) {
16338 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16339 cpThinkOutput[i] = '.';
16341 cpThinkOutput[i] = NULLCHAR;
16342 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16346 if (moveNumber == forwardMostMove - 1 &&
16347 gameInfo.resultDetails != NULL) {
16348 if (gameInfo.resultDetails[0] == NULLCHAR) {
16349 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16351 snprintf(res, MSG_SIZ, " {%s} %s",
16352 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16358 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16359 DisplayMessage(res, cpThinkOutput);
16361 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16362 WhiteOnMove(moveNumber) ? " " : ".. ",
16363 parseList[moveNumber], res);
16364 DisplayMessage(message, cpThinkOutput);
16369 DisplayComment (int moveNumber, char *text)
16371 char title[MSG_SIZ];
16373 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16374 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
16376 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
16377 WhiteOnMove(moveNumber) ? " " : ".. ",
16378 parseList[moveNumber]);
16380 if (text != NULL && (appData.autoDisplayComment || commentUp))
16381 CommentPopUp(title, text);
16384 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
16385 * might be busy thinking or pondering. It can be omitted if your
16386 * gnuchess is configured to stop thinking immediately on any user
16387 * input. However, that gnuchess feature depends on the FIONREAD
16388 * ioctl, which does not work properly on some flavors of Unix.
16391 Attention (ChessProgramState *cps)
16394 if (!cps->useSigint) return;
16395 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16396 switch (gameMode) {
16397 case MachinePlaysWhite:
16398 case MachinePlaysBlack:
16399 case TwoMachinesPlay:
16400 case IcsPlayingWhite:
16401 case IcsPlayingBlack:
16404 /* Skip if we know it isn't thinking */
16405 if (!cps->maybeThinking) return;
16406 if (appData.debugMode)
16407 fprintf(debugFP, "Interrupting %s\n", cps->which);
16408 InterruptChildProcess(cps->pr);
16409 cps->maybeThinking = FALSE;
16414 #endif /*ATTENTION*/
16420 if (whiteTimeRemaining <= 0) {
16423 if (appData.icsActive) {
16424 if (appData.autoCallFlag &&
16425 gameMode == IcsPlayingBlack && !blackFlag) {
16426 SendToICS(ics_prefix);
16427 SendToICS("flag\n");
16431 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16433 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16434 if (appData.autoCallFlag) {
16435 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16442 if (blackTimeRemaining <= 0) {
16445 if (appData.icsActive) {
16446 if (appData.autoCallFlag &&
16447 gameMode == IcsPlayingWhite && !whiteFlag) {
16448 SendToICS(ics_prefix);
16449 SendToICS("flag\n");
16453 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16455 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16456 if (appData.autoCallFlag) {
16457 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16468 CheckTimeControl ()
16470 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16471 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16474 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16476 if ( !WhiteOnMove(forwardMostMove) ) {
16477 /* White made time control */
16478 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16479 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16480 /* [HGM] time odds: correct new time quota for time odds! */
16481 / WhitePlayer()->timeOdds;
16482 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16484 lastBlack -= blackTimeRemaining;
16485 /* Black made time control */
16486 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16487 / WhitePlayer()->other->timeOdds;
16488 lastWhite = whiteTimeRemaining;
16493 DisplayBothClocks ()
16495 int wom = gameMode == EditPosition ?
16496 !blackPlaysFirst : WhiteOnMove(currentMove);
16497 DisplayWhiteClock(whiteTimeRemaining, wom);
16498 DisplayBlackClock(blackTimeRemaining, !wom);
16502 /* Timekeeping seems to be a portability nightmare. I think everyone
16503 has ftime(), but I'm really not sure, so I'm including some ifdefs
16504 to use other calls if you don't. Clocks will be less accurate if
16505 you have neither ftime nor gettimeofday.
16508 /* VS 2008 requires the #include outside of the function */
16509 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16510 #include <sys/timeb.h>
16513 /* Get the current time as a TimeMark */
16515 GetTimeMark (TimeMark *tm)
16517 #if HAVE_GETTIMEOFDAY
16519 struct timeval timeVal;
16520 struct timezone timeZone;
16522 gettimeofday(&timeVal, &timeZone);
16523 tm->sec = (long) timeVal.tv_sec;
16524 tm->ms = (int) (timeVal.tv_usec / 1000L);
16526 #else /*!HAVE_GETTIMEOFDAY*/
16529 // include <sys/timeb.h> / moved to just above start of function
16530 struct timeb timeB;
16533 tm->sec = (long) timeB.time;
16534 tm->ms = (int) timeB.millitm;
16536 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16537 tm->sec = (long) time(NULL);
16543 /* Return the difference in milliseconds between two
16544 time marks. We assume the difference will fit in a long!
16547 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16549 return 1000L*(tm2->sec - tm1->sec) +
16550 (long) (tm2->ms - tm1->ms);
16555 * Code to manage the game clocks.
16557 * In tournament play, black starts the clock and then white makes a move.
16558 * We give the human user a slight advantage if he is playing white---the
16559 * clocks don't run until he makes his first move, so it takes zero time.
16560 * Also, we don't account for network lag, so we could get out of sync
16561 * with GNU Chess's clock -- but then, referees are always right.
16564 static TimeMark tickStartTM;
16565 static long intendedTickLength;
16568 NextTickLength (long timeRemaining)
16570 long nominalTickLength, nextTickLength;
16572 if (timeRemaining > 0L && timeRemaining <= 10000L)
16573 nominalTickLength = 100L;
16575 nominalTickLength = 1000L;
16576 nextTickLength = timeRemaining % nominalTickLength;
16577 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16579 return nextTickLength;
16582 /* Adjust clock one minute up or down */
16584 AdjustClock (Boolean which, int dir)
16586 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16587 if(which) blackTimeRemaining += 60000*dir;
16588 else whiteTimeRemaining += 60000*dir;
16589 DisplayBothClocks();
16590 adjustedClock = TRUE;
16593 /* Stop clocks and reset to a fresh time control */
16597 (void) StopClockTimer();
16598 if (appData.icsActive) {
16599 whiteTimeRemaining = blackTimeRemaining = 0;
16600 } else if (searchTime) {
16601 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16602 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16603 } else { /* [HGM] correct new time quote for time odds */
16604 whiteTC = blackTC = fullTimeControlString;
16605 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16606 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16608 if (whiteFlag || blackFlag) {
16610 whiteFlag = blackFlag = FALSE;
16612 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16613 DisplayBothClocks();
16614 adjustedClock = FALSE;
16617 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16619 /* Decrement running clock by amount of time that has passed */
16623 long timeRemaining;
16624 long lastTickLength, fudge;
16627 if (!appData.clockMode) return;
16628 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16632 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16634 /* Fudge if we woke up a little too soon */
16635 fudge = intendedTickLength - lastTickLength;
16636 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16638 if (WhiteOnMove(forwardMostMove)) {
16639 if(whiteNPS >= 0) lastTickLength = 0;
16640 timeRemaining = whiteTimeRemaining -= lastTickLength;
16641 if(timeRemaining < 0 && !appData.icsActive) {
16642 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16643 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16644 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16645 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16648 DisplayWhiteClock(whiteTimeRemaining - fudge,
16649 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16651 if(blackNPS >= 0) lastTickLength = 0;
16652 timeRemaining = blackTimeRemaining -= lastTickLength;
16653 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16654 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16656 blackStartMove = forwardMostMove;
16657 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16660 DisplayBlackClock(blackTimeRemaining - fudge,
16661 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16663 if (CheckFlags()) return;
16665 if(twoBoards) { // count down secondary board's clocks as well
16666 activePartnerTime -= lastTickLength;
16668 if(activePartner == 'W')
16669 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16671 DisplayBlackClock(activePartnerTime, TRUE);
16676 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16677 StartClockTimer(intendedTickLength);
16679 /* if the time remaining has fallen below the alarm threshold, sound the
16680 * alarm. if the alarm has sounded and (due to a takeback or time control
16681 * with increment) the time remaining has increased to a level above the
16682 * threshold, reset the alarm so it can sound again.
16685 if (appData.icsActive && appData.icsAlarm) {
16687 /* make sure we are dealing with the user's clock */
16688 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16689 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16692 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16693 alarmSounded = FALSE;
16694 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16696 alarmSounded = TRUE;
16702 /* A player has just moved, so stop the previously running
16703 clock and (if in clock mode) start the other one.
16704 We redisplay both clocks in case we're in ICS mode, because
16705 ICS gives us an update to both clocks after every move.
16706 Note that this routine is called *after* forwardMostMove
16707 is updated, so the last fractional tick must be subtracted
16708 from the color that is *not* on move now.
16711 SwitchClocks (int newMoveNr)
16713 long lastTickLength;
16715 int flagged = FALSE;
16719 if (StopClockTimer() && appData.clockMode) {
16720 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16721 if (!WhiteOnMove(forwardMostMove)) {
16722 if(blackNPS >= 0) lastTickLength = 0;
16723 blackTimeRemaining -= lastTickLength;
16724 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16725 // if(pvInfoList[forwardMostMove].time == -1)
16726 pvInfoList[forwardMostMove].time = // use GUI time
16727 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16729 if(whiteNPS >= 0) lastTickLength = 0;
16730 whiteTimeRemaining -= lastTickLength;
16731 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16732 // if(pvInfoList[forwardMostMove].time == -1)
16733 pvInfoList[forwardMostMove].time =
16734 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16736 flagged = CheckFlags();
16738 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16739 CheckTimeControl();
16741 if (flagged || !appData.clockMode) return;
16743 switch (gameMode) {
16744 case MachinePlaysBlack:
16745 case MachinePlaysWhite:
16746 case BeginningOfGame:
16747 if (pausing) return;
16751 case PlayFromGameFile:
16759 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16760 if(WhiteOnMove(forwardMostMove))
16761 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16762 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16766 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16767 whiteTimeRemaining : blackTimeRemaining);
16768 StartClockTimer(intendedTickLength);
16772 /* Stop both clocks */
16776 long lastTickLength;
16779 if (!StopClockTimer()) return;
16780 if (!appData.clockMode) return;
16784 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16785 if (WhiteOnMove(forwardMostMove)) {
16786 if(whiteNPS >= 0) lastTickLength = 0;
16787 whiteTimeRemaining -= lastTickLength;
16788 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16790 if(blackNPS >= 0) lastTickLength = 0;
16791 blackTimeRemaining -= lastTickLength;
16792 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16797 /* Start clock of player on move. Time may have been reset, so
16798 if clock is already running, stop and restart it. */
16802 (void) StopClockTimer(); /* in case it was running already */
16803 DisplayBothClocks();
16804 if (CheckFlags()) return;
16806 if (!appData.clockMode) return;
16807 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16809 GetTimeMark(&tickStartTM);
16810 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16811 whiteTimeRemaining : blackTimeRemaining);
16813 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16814 whiteNPS = blackNPS = -1;
16815 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16816 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16817 whiteNPS = first.nps;
16818 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16819 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16820 blackNPS = first.nps;
16821 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16822 whiteNPS = second.nps;
16823 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16824 blackNPS = second.nps;
16825 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16827 StartClockTimer(intendedTickLength);
16831 TimeString (long ms)
16833 long second, minute, hour, day;
16835 static char buf[32];
16837 if (ms > 0 && ms <= 9900) {
16838 /* convert milliseconds to tenths, rounding up */
16839 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16841 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16845 /* convert milliseconds to seconds, rounding up */
16846 /* use floating point to avoid strangeness of integer division
16847 with negative dividends on many machines */
16848 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16855 day = second / (60 * 60 * 24);
16856 second = second % (60 * 60 * 24);
16857 hour = second / (60 * 60);
16858 second = second % (60 * 60);
16859 minute = second / 60;
16860 second = second % 60;
16863 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16864 sign, day, hour, minute, second);
16866 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16868 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16875 * This is necessary because some C libraries aren't ANSI C compliant yet.
16878 StrStr (char *string, char *match)
16882 length = strlen(match);
16884 for (i = strlen(string) - length; i >= 0; i--, string++)
16885 if (!strncmp(match, string, length))
16892 StrCaseStr (char *string, char *match)
16896 length = strlen(match);
16898 for (i = strlen(string) - length; i >= 0; i--, string++) {
16899 for (j = 0; j < length; j++) {
16900 if (ToLower(match[j]) != ToLower(string[j]))
16903 if (j == length) return string;
16911 StrCaseCmp (char *s1, char *s2)
16916 c1 = ToLower(*s1++);
16917 c2 = ToLower(*s2++);
16918 if (c1 > c2) return 1;
16919 if (c1 < c2) return -1;
16920 if (c1 == NULLCHAR) return 0;
16928 return isupper(c) ? tolower(c) : c;
16935 return islower(c) ? toupper(c) : c;
16937 #endif /* !_amigados */
16944 if ((ret = (char *) malloc(strlen(s) + 1)))
16946 safeStrCpy(ret, s, strlen(s)+1);
16952 StrSavePtr (char *s, char **savePtr)
16957 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16958 safeStrCpy(*savePtr, s, strlen(s)+1);
16970 clock = time((time_t *)NULL);
16971 tm = localtime(&clock);
16972 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16973 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16974 return StrSave(buf);
16979 PositionToFEN (int move, char *overrideCastling)
16981 int i, j, fromX, fromY, toX, toY;
16988 whiteToPlay = (gameMode == EditPosition) ?
16989 !blackPlaysFirst : (move % 2 == 0);
16992 /* Piece placement data */
16993 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16994 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16996 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16997 if (boards[move][i][j] == EmptySquare) {
16999 } else { ChessSquare piece = boards[move][i][j];
17000 if (emptycount > 0) {
17001 if(emptycount<10) /* [HGM] can be >= 10 */
17002 *p++ = '0' + emptycount;
17003 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17006 if(PieceToChar(piece) == '+') {
17007 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17009 piece = (ChessSquare)(DEMOTED piece);
17011 *p++ = PieceToChar(piece);
17013 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17014 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17019 if (emptycount > 0) {
17020 if(emptycount<10) /* [HGM] can be >= 10 */
17021 *p++ = '0' + emptycount;
17022 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17029 /* [HGM] print Crazyhouse or Shogi holdings */
17030 if( gameInfo.holdingsWidth ) {
17031 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17033 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17034 piece = boards[move][i][BOARD_WIDTH-1];
17035 if( piece != EmptySquare )
17036 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17037 *p++ = PieceToChar(piece);
17039 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17040 piece = boards[move][BOARD_HEIGHT-i-1][0];
17041 if( piece != EmptySquare )
17042 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17043 *p++ = PieceToChar(piece);
17046 if( q == p ) *p++ = '-';
17052 *p++ = whiteToPlay ? 'w' : 'b';
17055 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17056 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17058 if(nrCastlingRights) {
17060 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
17061 /* [HGM] write directly from rights */
17062 if(boards[move][CASTLING][2] != NoRights &&
17063 boards[move][CASTLING][0] != NoRights )
17064 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17065 if(boards[move][CASTLING][2] != NoRights &&
17066 boards[move][CASTLING][1] != NoRights )
17067 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17068 if(boards[move][CASTLING][5] != NoRights &&
17069 boards[move][CASTLING][3] != NoRights )
17070 *p++ = boards[move][CASTLING][3] + AAA;
17071 if(boards[move][CASTLING][5] != NoRights &&
17072 boards[move][CASTLING][4] != NoRights )
17073 *p++ = boards[move][CASTLING][4] + AAA;
17076 /* [HGM] write true castling rights */
17077 if( nrCastlingRights == 6 ) {
17079 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17080 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17081 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17082 boards[move][CASTLING][2] != NoRights );
17083 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17084 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17085 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17086 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17087 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17091 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17092 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17093 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17094 boards[move][CASTLING][5] != NoRights );
17095 if(gameInfo.variant == VariantSChess) {
17096 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17097 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17098 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17099 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17104 if (q == p) *p++ = '-'; /* No castling rights */
17108 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17109 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17110 /* En passant target square */
17111 if (move > backwardMostMove) {
17112 fromX = moveList[move - 1][0] - AAA;
17113 fromY = moveList[move - 1][1] - ONE;
17114 toX = moveList[move - 1][2] - AAA;
17115 toY = moveList[move - 1][3] - ONE;
17116 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17117 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17118 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17120 /* 2-square pawn move just happened */
17122 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17126 } else if(move == backwardMostMove) {
17127 // [HGM] perhaps we should always do it like this, and forget the above?
17128 if((signed char)boards[move][EP_STATUS] >= 0) {
17129 *p++ = boards[move][EP_STATUS] + AAA;
17130 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17141 /* [HGM] find reversible plies */
17142 { int i = 0, j=move;
17144 if (appData.debugMode) { int k;
17145 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17146 for(k=backwardMostMove; k<=forwardMostMove; k++)
17147 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17151 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17152 if( j == backwardMostMove ) i += initialRulePlies;
17153 sprintf(p, "%d ", i);
17154 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17156 /* Fullmove number */
17157 sprintf(p, "%d", (move / 2) + 1);
17159 return StrSave(buf);
17163 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
17167 int emptycount, virgin[BOARD_FILES];
17172 /* [HGM] by default clear Crazyhouse holdings, if present */
17173 if(gameInfo.holdingsWidth) {
17174 for(i=0; i<BOARD_HEIGHT; i++) {
17175 board[i][0] = EmptySquare; /* black holdings */
17176 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17177 board[i][1] = (ChessSquare) 0; /* black counts */
17178 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17182 /* Piece placement data */
17183 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17186 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
17187 if (*p == '/') p++;
17188 emptycount = gameInfo.boardWidth - j;
17189 while (emptycount--)
17190 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17192 #if(BOARD_FILES >= 10)
17193 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17194 p++; emptycount=10;
17195 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17196 while (emptycount--)
17197 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17199 } else if (isdigit(*p)) {
17200 emptycount = *p++ - '0';
17201 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17202 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17203 while (emptycount--)
17204 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17205 } else if (*p == '+' || isalpha(*p)) {
17206 if (j >= gameInfo.boardWidth) return FALSE;
17208 piece = CharToPiece(*++p);
17209 if(piece == EmptySquare) return FALSE; /* unknown piece */
17210 piece = (ChessSquare) (PROMOTED piece ); p++;
17211 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17212 } else piece = CharToPiece(*p++);
17214 if(piece==EmptySquare) return FALSE; /* unknown piece */
17215 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17216 piece = (ChessSquare) (PROMOTED piece);
17217 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17220 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17226 while (*p == '/' || *p == ' ') p++;
17228 /* [HGM] look for Crazyhouse holdings here */
17229 while(*p==' ') p++;
17230 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17232 if(*p == '-' ) p++; /* empty holdings */ else {
17233 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17234 /* if we would allow FEN reading to set board size, we would */
17235 /* have to add holdings and shift the board read so far here */
17236 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17238 if((int) piece >= (int) BlackPawn ) {
17239 i = (int)piece - (int)BlackPawn;
17240 i = PieceToNumber((ChessSquare)i);
17241 if( i >= gameInfo.holdingsSize ) return FALSE;
17242 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17243 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17245 i = (int)piece - (int)WhitePawn;
17246 i = PieceToNumber((ChessSquare)i);
17247 if( i >= gameInfo.holdingsSize ) return FALSE;
17248 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17249 board[i][BOARD_WIDTH-2]++; /* black holdings */
17256 while(*p == ' ') p++;
17260 if(appData.colorNickNames) {
17261 if( c == appData.colorNickNames[0] ) c = 'w'; else
17262 if( c == appData.colorNickNames[1] ) c = 'b';
17266 *blackPlaysFirst = FALSE;
17269 *blackPlaysFirst = TRUE;
17275 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17276 /* return the extra info in global variiables */
17278 /* set defaults in case FEN is incomplete */
17279 board[EP_STATUS] = EP_UNKNOWN;
17280 for(i=0; i<nrCastlingRights; i++ ) {
17281 board[CASTLING][i] =
17282 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
17283 } /* assume possible unless obviously impossible */
17284 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17285 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17286 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17287 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17288 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17289 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17290 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17291 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17294 while(*p==' ') p++;
17295 if(nrCastlingRights) {
17296 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17297 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17298 /* castling indicator present, so default becomes no castlings */
17299 for(i=0; i<nrCastlingRights; i++ ) {
17300 board[CASTLING][i] = NoRights;
17303 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17304 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
17305 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17306 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17307 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17309 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17310 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17311 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17313 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17314 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17315 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17316 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17317 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17318 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
17321 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
17322 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
17323 board[CASTLING][2] = whiteKingFile;
17324 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
17325 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17328 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
17329 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
17330 board[CASTLING][2] = whiteKingFile;
17331 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
17332 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
17335 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
17336 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
17337 board[CASTLING][5] = blackKingFile;
17338 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
17339 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17342 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
17343 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
17344 board[CASTLING][5] = blackKingFile;
17345 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
17346 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
17349 default: /* FRC castlings */
17350 if(c >= 'a') { /* black rights */
17351 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
17352 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17353 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
17354 if(i == BOARD_RGHT) break;
17355 board[CASTLING][5] = i;
17357 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
17358 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
17360 board[CASTLING][3] = c;
17362 board[CASTLING][4] = c;
17363 } else { /* white rights */
17364 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
17365 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
17366 if(board[0][i] == WhiteKing) break;
17367 if(i == BOARD_RGHT) break;
17368 board[CASTLING][2] = i;
17369 c -= AAA - 'a' + 'A';
17370 if(board[0][c] >= WhiteKing) break;
17372 board[CASTLING][0] = c;
17374 board[CASTLING][1] = c;
17378 for(i=0; i<nrCastlingRights; i++)
17379 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
17380 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
17381 if (appData.debugMode) {
17382 fprintf(debugFP, "FEN castling rights:");
17383 for(i=0; i<nrCastlingRights; i++)
17384 fprintf(debugFP, " %d", board[CASTLING][i]);
17385 fprintf(debugFP, "\n");
17388 while(*p==' ') p++;
17391 /* read e.p. field in games that know e.p. capture */
17392 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17393 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17395 p++; board[EP_STATUS] = EP_NONE;
17397 char c = *p++ - AAA;
17399 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17400 if(*p >= '0' && *p <='9') p++;
17401 board[EP_STATUS] = c;
17406 if(sscanf(p, "%d", &i) == 1) {
17407 FENrulePlies = i; /* 50-move ply counter */
17408 /* (The move number is still ignored) */
17415 EditPositionPasteFEN (char *fen)
17418 Board initial_position;
17420 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17421 DisplayError(_("Bad FEN position in clipboard"), 0);
17424 int savedBlackPlaysFirst = blackPlaysFirst;
17425 EditPositionEvent();
17426 blackPlaysFirst = savedBlackPlaysFirst;
17427 CopyBoard(boards[0], initial_position);
17428 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17429 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17430 DisplayBothClocks();
17431 DrawPosition(FALSE, boards[currentMove]);
17436 static char cseq[12] = "\\ ";
17439 set_cont_sequence (char *new_seq)
17444 // handle bad attempts to set the sequence
17446 return 0; // acceptable error - no debug
17448 len = strlen(new_seq);
17449 ret = (len > 0) && (len < sizeof(cseq));
17451 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17452 else if (appData.debugMode)
17453 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17458 reformat a source message so words don't cross the width boundary. internal
17459 newlines are not removed. returns the wrapped size (no null character unless
17460 included in source message). If dest is NULL, only calculate the size required
17461 for the dest buffer. lp argument indicats line position upon entry, and it's
17462 passed back upon exit.
17465 wrap (char *dest, char *src, int count, int width, int *lp)
17467 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17469 cseq_len = strlen(cseq);
17470 old_line = line = *lp;
17471 ansi = len = clen = 0;
17473 for (i=0; i < count; i++)
17475 if (src[i] == '\033')
17478 // if we hit the width, back up
17479 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17481 // store i & len in case the word is too long
17482 old_i = i, old_len = len;
17484 // find the end of the last word
17485 while (i && src[i] != ' ' && src[i] != '\n')
17491 // word too long? restore i & len before splitting it
17492 if ((old_i-i+clen) >= width)
17499 if (i && src[i-1] == ' ')
17502 if (src[i] != ' ' && src[i] != '\n')
17509 // now append the newline and continuation sequence
17514 strncpy(dest+len, cseq, cseq_len);
17522 dest[len] = src[i];
17526 if (src[i] == '\n')
17531 if (dest && appData.debugMode)
17533 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17534 count, width, line, len, *lp);
17535 show_bytes(debugFP, src, count);
17536 fprintf(debugFP, "\ndest: ");
17537 show_bytes(debugFP, dest, len);
17538 fprintf(debugFP, "\n");
17540 *lp = dest ? line : old_line;
17545 // [HGM] vari: routines for shelving variations
17546 Boolean modeRestore = FALSE;
17549 PushInner (int firstMove, int lastMove)
17551 int i, j, nrMoves = lastMove - firstMove;
17553 // push current tail of game on stack
17554 savedResult[storedGames] = gameInfo.result;
17555 savedDetails[storedGames] = gameInfo.resultDetails;
17556 gameInfo.resultDetails = NULL;
17557 savedFirst[storedGames] = firstMove;
17558 savedLast [storedGames] = lastMove;
17559 savedFramePtr[storedGames] = framePtr;
17560 framePtr -= nrMoves; // reserve space for the boards
17561 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17562 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17563 for(j=0; j<MOVE_LEN; j++)
17564 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17565 for(j=0; j<2*MOVE_LEN; j++)
17566 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17567 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17568 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17569 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17570 pvInfoList[firstMove+i-1].depth = 0;
17571 commentList[framePtr+i] = commentList[firstMove+i];
17572 commentList[firstMove+i] = NULL;
17576 forwardMostMove = firstMove; // truncate game so we can start variation
17580 PushTail (int firstMove, int lastMove)
17582 if(appData.icsActive) { // only in local mode
17583 forwardMostMove = currentMove; // mimic old ICS behavior
17586 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17588 PushInner(firstMove, lastMove);
17589 if(storedGames == 1) GreyRevert(FALSE);
17590 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17594 PopInner (Boolean annotate)
17597 char buf[8000], moveBuf[20];
17599 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17600 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17601 nrMoves = savedLast[storedGames] - currentMove;
17604 if(!WhiteOnMove(currentMove))
17605 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17606 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17607 for(i=currentMove; i<forwardMostMove; i++) {
17609 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17610 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17611 strcat(buf, moveBuf);
17612 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17613 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17617 for(i=1; i<=nrMoves; i++) { // copy last variation back
17618 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17619 for(j=0; j<MOVE_LEN; j++)
17620 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17621 for(j=0; j<2*MOVE_LEN; j++)
17622 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17623 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17624 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17625 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17626 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17627 commentList[currentMove+i] = commentList[framePtr+i];
17628 commentList[framePtr+i] = NULL;
17630 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17631 framePtr = savedFramePtr[storedGames];
17632 gameInfo.result = savedResult[storedGames];
17633 if(gameInfo.resultDetails != NULL) {
17634 free(gameInfo.resultDetails);
17636 gameInfo.resultDetails = savedDetails[storedGames];
17637 forwardMostMove = currentMove + nrMoves;
17641 PopTail (Boolean annotate)
17643 if(appData.icsActive) return FALSE; // only in local mode
17644 if(!storedGames) return FALSE; // sanity
17645 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17647 PopInner(annotate);
17648 if(currentMove < forwardMostMove) ForwardEvent(); else
17649 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17651 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17657 { // remove all shelved variations
17659 for(i=0; i<storedGames; i++) {
17660 if(savedDetails[i])
17661 free(savedDetails[i]);
17662 savedDetails[i] = NULL;
17664 for(i=framePtr; i<MAX_MOVES; i++) {
17665 if(commentList[i]) free(commentList[i]);
17666 commentList[i] = NULL;
17668 framePtr = MAX_MOVES-1;
17673 LoadVariation (int index, char *text)
17674 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17675 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17676 int level = 0, move;
17678 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17679 // first find outermost bracketing variation
17680 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17681 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17682 if(*p == '{') wait = '}'; else
17683 if(*p == '[') wait = ']'; else
17684 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17685 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17687 if(*p == wait) wait = NULLCHAR; // closing ]} found
17690 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17691 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17692 end[1] = NULLCHAR; // clip off comment beyond variation
17693 ToNrEvent(currentMove-1);
17694 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17695 // kludge: use ParsePV() to append variation to game
17696 move = currentMove;
17697 ParsePV(start, TRUE, TRUE);
17698 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17699 ClearPremoveHighlights();
17701 ToNrEvent(currentMove+1);
17707 char *p, *q, buf[MSG_SIZ];
17708 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
17709 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
17710 ParseArgsFromString(buf);
17711 ActivateTheme(TRUE); // also redo colors
17715 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
17718 q = appData.themeNames;
17719 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
17720 if(appData.useBitmaps) {
17721 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
17722 appData.liteBackTextureFile, appData.darkBackTextureFile,
17723 appData.liteBackTextureMode,
17724 appData.darkBackTextureMode );
17726 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
17727 Col2Text(2), // lightSquareColor
17728 Col2Text(3) ); // darkSquareColor
17730 if(appData.useBorder) {
17731 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
17734 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
17736 if(appData.useFont) {
17737 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
17738 appData.renderPiecesWithFont,
17739 appData.fontToPieceTable,
17740 Col2Text(9), // appData.fontBackColorWhite
17741 Col2Text(10) ); // appData.fontForeColorBlack
17743 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
17744 appData.pieceDirectory);
17745 if(!appData.pieceDirectory[0])
17746 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
17747 Col2Text(0), // whitePieceColor
17748 Col2Text(1) ); // blackPieceColor
17750 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
17751 Col2Text(4), // highlightSquareColor
17752 Col2Text(5) ); // premoveHighlightColor
17753 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
17754 if(insert != q) insert[-1] = NULLCHAR;
17755 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
17758 ActivateTheme(FALSE);